Method for picking articles and picking station

专利摘要:
The invention relates to a method for picking articles at a picking station, in which the source containers (5) are transported in any order to a picking station (33) and the destination containers (27) are placed in a sorting buffer (36) with buffer locations (39) in front of one single loading point (35) are provided. A first destination container is transported to the processing of different order lines after placing an article to a first order line back into the sorting buffer and temporarily buffered on a sorting station (42) until a source container provided with an article to a second order line in an upstream of the sampling place Buffer line section (23) is conveyed. A second target container is transported to process different order lines after placing an article to a first order line back into the sorting buffer and moved via a second sorting on one of the buffer locations and then to the loading place, if a source container with an article to a second order line already was transported in the buffer section section. Furthermore, the invention relates to a picking station.
公开号:AT518818A2
申请号:T50610/2016
申请日:2016-07-08
公开日:2018-01-15
发明作者:
申请人:Tgw Logistics Group Gmbh；
IPC主号:

专利说明:

The invention relates to a method for picking articles, in particular storage articles or returned goods, and a picking station for carrying out the method, as described in the preambles of claims 1, 11, 19 and 24.
WO 2011/1034 A1 discloses a method for manual picking of articles at a picking station. The source containers are outsourced from a warehouse, transported to the picking station and finally provided on a (single) picking station. The target containers are stored in a sorting buffer and delivered from the sorting buffer in an order to a conveyor and finally provided on a (single) loading site sequentially. The transport of the source containers from the warehouse to the take-off location and the transport of the destination containers from the sorting buffer to the loading location are coordinated so that a source container and a destination container arrive at an order approximately simultaneously at the picking location and loading location. The picking person can remove from the source container, which is provided on the picking place, and deposit this article in the destination container, which is provided on the loading place. The destination container is conveyed back from the loading point into the sorting buffer, provided that the order associated with this destination container still contains an unprocessed order line. The order picking person always has access to a single source container and a single target container. Such picking stations are also called 1: 1 picking workstations. These are characterized by a high picking performance (about 1,000 article accesses per hour) and a low number of incorrect picking. The sorting buffer of the known picking system comprises storage racks and at least one ver between the storage racks mobile storage operating device with which the target containers can be stored on buffer sites and swapped out of the buffer locations. A disadvantage is the high mechanical complexity of the sorting buffer and the complexity of the control device. Furthermore, the target containers must cover long transport routes, which is why the provision of the target container takes a relatively long time.
EP 1 767 472 A1 discloses a method for manual picking of articles at a picking station. The source containers are outsourced from a warehouse, transported to the order picking station and finally provided on at least two picking locations. The target containers are stored in a sorting buffer and delivered in a sequence from the sorting buffer on a conveyor technology and finally provided on at least two loading locations side by side. The order picking person has access to several source containers and several target containers at least over shorter operating phases. Thus, in principle, a high order picking performance can be achieved, however, is expected with a higher number of Fehlkommissionierungen. Furthermore, the target containers must cover long transport routes, which is why the provision of the target container takes a relatively long time.
EP 2 098 464 B1 discloses a method for manual picking of articles at a picking station. The source containers are repeatedly circulated on a circulation conveyor device of the order picking person until a predetermined number of articles are picked from the respective source container into the destination containers. The target containers are repeatedly circulated at several Umlauffördervorrichtungen the order picking fed so long until the respective in circulation target container is picked with the articles from the supplied source container in the desired number. The picking person always has a source container and several target containers in the access.
Likewise, EP 3 015 404 A1 discloses a method for manual picking or restoring of articles at a picking station, in which a picking area is subdivided into order picking zones arranged one behind the other and each picking zone has a plurality of juxtaposed picking stations
Is assigned removal positions, on each of which a source container is provided. The source containers contain different articles. Target container groups are successively moved through the picking zones on a destination container conveyor. An order is divided into partial orders and the source containers are fed to the respective destination container group according to the partial orders. The picking person always has several source containers and several destination containers in the access.
From EP 2 173 644 B1, a method for picking returned goods at a picking station is known in which the returned goods are provided at a delivery point and each returned item is recorded. The returned goods are transported on a return conveyor from the loading station to the order picking station. For each returned product, a source container is identified, in which the returned goods are stored. The source container is removed from a warehouse while the returned goods are transported to the picking station.
An object of the invention is therefore to provide an improved method for picking articles, in particular stock items or returned goods, and an improved picking station for performing the method. In particular, an efficient picking at the picking station is to be made possible.
The object of the invention is achieved in that a first target container for processing different order lines is transported to at least one order after placing an article to a first order line back into the sorting buffer and buffered on a first sorting at least temporarily until a source container with an item for a second order line is conveyed to a buffer path section provided upstream of the picking station, and said first destination container can be moved from the first sorting station to one of the buffer locations and then to the loading station after the source container transports an article to a second order line in the buffer path section and a second target container for processing different order lines to at least one order after placing an article back to a first order line
Sorting buffer is transported and moved via a second sorting to one of the buffer locations and then to the loading site, if a source container was transported with an article to a second order line already in a provided upstream of the sampling buffer section.
Furthermore, the object of the invention is achieved in that the sorting buffer on a first conveyor in a dispensing direction successively arranged buffer locations and on a second conveyor in a return direction successively arranged sorting stations and the sorting points with the buffer locations conveyor technically connecting third conveyors, and that the Andienungsvorrichtung with the single loading station is formed on a fourth conveyor, wherein the first conveyor and the second conveyor are connected to each other via the fourth conveyor to promote the target container for processing different order lines to at least one order from the sorting buffer to the loading station and convey away from the loading point to the sorting buffer , and wherein the first conveying device at least one conveying means for transporting the target container and the second conveying device at least e in conveying means for transporting the destination containers, and wherein the buffer stations and the sorting stations are assigned conveying means for transporting the destination containers, and a control unit controls the conveying means selectively and in such a way that the destination containers are sorted in the sorting buffer in an order which depends on the order in which the source containers are provided at the picking location, and that a source container and a destination container arrive at an order at about the same time at the picking place and loading place.
The sort function is taken over by the sort buffer. In this case, a small number of destination containers are sorted in comparison to the number of source containers. The sorting buffer is directly in the vicinity of the loading point. The target containers can be transported to the loading site very quickly. Specifically, the sorting buffer realizes the sorting function of the destination containers, the provision of the destination containers in the sorted order and the transport of the destination containers from the sorting buffer and into the sorting buffer. For this purpose, standardized conveyors are used, which work reliably. In the sorting buffer, the transport of the target containers preferably takes place on a horizontal transport plane, which is formed by the conveying means.
In a preferred embodiment, the articles "article-like" and in the target containers the articles "order-pure" are added to the source container. Therefore, a single article type is contained in a source container and a single job is contained in a destination container. However, in order to increase / maximize the article range in the warehouse / to optimize the sort buffer, source containers may each contain different article types and / or the destination containers may each contain different orders. An order comprises an order line or several order lines. This is made possible by receiving compartments in the source container and / or target container.
The picking station comprises a single take-off location for a source container and a single loading location for a destination container. As a result, picking can be reduced to a minimum, if the picking is done manually. Likewise, the picking person hardly needs to move from the place.
It also proves to be an advantage if the following procedural measures are carried out:
Outsourcing the source containers from the store by means of a source container distribution system with at least one storage operating device and a source container conveyor between the warehouse and the order picking station, the source container conveyor system comprising at least the buffer section section for transporting the source containers to the unloading location,
Transport of the source container on the source container conveyor of the at least one storage and retrieval device to the sampling in an unordered (chaotic) order, and
Determining the disordered (chaotic) sequence of the source containers, which are required for processing of different order lines to at least one order, at a sequence determination point, which lies along the transport path between the at least one storage and retrieval unit.
Although the required source containers for processing the order lines are supplied to the picking place in a disordered order, this order is detected at the order determination point. The target containers in the sorting buffer determine which source containers have to be swapped out. The destination containers are sorted in and through the sorting buffer in an order determined by the order of the source containers. It is advantageous that the requirement for the sequence in which the source containers are transported to the picking location is low, and thus a high removal performance is achieved. The picking station can essentially be supplied with source containers without interruption. In addition, the complexity of controlling the outsourcing process decreases.
An additional increase in performance (number of hits per article per hour) can be achieved if the following process steps are carried out:
Determining a modified order of the source containers in which the source containers are to be transported to the picking location, changing the order of the source containers to the modified order by removing at least one in-order source container from the buffer section to an escape buffer to at least one subsequent source container at least moving past a source container in the escape buffer, and by returning the at least one source container from the escape buffer to the buffer section section in order to rearrange the at least one source container from the escape buffer to the at least one source container on the buffer path section,
Sequentially providing at least some of the source containers at the picking location in the modified order.
It can be provided that the source container distribution system has a subsequent to the buffer section evasion buffer with a funding and the control unit is configured to evaluate the order of source containers, which are required for processing different order lines to at least one order, and a modified order, in which the source containers are to be transported to the take-off location, and the control unit controls the conveyor to eject at least one in-order source container from the buffer section section to the escape buffer to move at least one subsequent source container past the source container in the escape buffer and then injecting the at least one source container from the escape buffer onto the buffer path portion.
According to one embodiment of the invention, the following method steps are possible:
Providing a first source container on the loading site for sequentially processing at least one first order line with a plurality of articles for a first order,
Removing an article from the first source container, which is provided at the picking place, and depositing this article in a first destination container, which is provided on the loading place, according to the first order, if this article can be stored in the first destination container,
Triggering a control signal after the last removal of an article from the first source container or after it has been determined that an article in the first target container can not be stored, with which - arranged between the sampling and the buffer section conveyor of a source container distribution system controlled by a control unit such in that the first source container is conveyed from the picking location to the buffer line section, and - the buffer line section and a conveying means are controlled on the picking station by the control unit such that a second source container is transported to the picking station for processing one or more order lines to a second order, - A conveyor on the loading station and a conveyor of a target container distribution system is controlled by the control unit such that the first target container transported away from the loading point and a second target container is transported to the loading point,
Providing the second source container at the picking location for processing at least one or more order lines to the second order,
Removing an article from the second source container, which is provided at the picking place, and depositing this article in a second destination container, which is provided on the loading place, according to the second order, transferring the first source container from the conveying device to the buffer path section,
Transporting the first source container from the buffer section section to the unloading station,
Repeatedly providing the first source container at the picking location to pick the remaining items of the first order line,
Taking an article from the first source container, which is provided on the picking place, and depositing the article in a second destination container, which is provided on the loading place, according to the first order.
It also proves advantageous if the following method steps are carried out:
Providing a destination container distribution system with the sorting buffer and a destination container conveyor for transporting empty destination containers, bypassing the sorting buffer to the loading location,
Identify an empty destination container and assign it to a captured order
Request and transport of the empty target container to the loading point, after triggering a control signal after the last removal of an article from the first source container, with which the target container conveyor technology is controlled by the control unit such that the empty target container to the loading point for processing the at least a first order line is transported to the first order.
It can be provided that the source container distribution system has a subsequent to the buffer section conveyor with a conveyor and the control unit is adapted to process a control signal after the last removal of an article from the source container, and the control unit based on the control signal drives the conveyor in order to convey the first source container after the removal of the at least one article from the picking station to the buffer section section.
These mentioned method measures allow an efficient picking process in which the loading volume of the target container can be used to the maximum and the picking person decides which article and / or which number of articles can still be picked in a destination container. If a control signal is triggered by the picking person, for example by pressing an acknowledgment key, the (full) first destination container is transported away and an (empty) second destination container is automatically provided in order to process the first order. During the provision of the (empty) second destination container, a second order can be processed. Thereafter, the first source container is repeatedly provided and the first order processed. Due to the possibility of repeated provision of the first source container, a "time-consuming" return operation of the first source container in the storage and retrieval process of the first source container from the camp is not necessary. Thus, the source container distribution system is less burdened.
The following method measures can also be implemented in an advantageous manner:
Detecting at least one article-specific characteristic value for each article of an order with one or more order lines, wherein the article-specific characteristic value is selected from the group comprising dimension, weight, volume and / or geometric shape,
Determination of a order-specific characteristic value based on the one or more order lines that are processed for an order, and the item-specific characteristic values for each article,
Determination of a load-specific characteristic value of at least one first destination container in which the articles for the named order are to be stored,
Determination of the number of additionally required second destination containers for processing said order based on the order-specific characteristic value and load-specific characteristic value, if an article can not be stored in the first destination container,
Providing at least one first source container at the picking location for processing at least one first order line to the order,
Providing the first destination bin on the loading site for processing one or more order lines to the order,
Removing an article from at least the first source container and placing that article in the first destination container according to the order,
Triggering a control signal after the delivery of an article as the last article for the first destination container, with which a conveyor on the loading station is controlled by the control unit in such a way that the finished first destination container is transported away from the loading station and a second destination container is transported to the loading station,
Providing at least the second destination container on the loading site for processing at least one order line for the order,
Remove an article from the first source container and place this article in the second destination container according to the order.
The following procedural measures also prove advantageous:
Providing a destination container distribution system with the sorting buffer and a destination container conveyor with a conveyor for transporting empty destination containers, bypassing the sorting buffer to the loading location,
Identify an empty destination container and assign it to a captured order
Request and transport of the empty target container to the loading point after triggering a control signal after the delivery of an article as the last article for the first target container, with which the conveyor is controlled by the control unit such that the empty target container to the loading point for processing the at least one Order line is transported to the order.
By this method measure, an optimum degree of filling of the target containers is determined from a preliminary calculation. If the picking by a
Picking performed, it has to act only after picking instructions. The picking process is particularly simple and special expertise of order picking person is not required. Otherwise, a robot can start picking the items based on the pre-calculation.
The following method measures are also advantageous:
Detecting at least one article-specific characteristic value for each article of an order with one or more order lines, wherein the article-specific characteristic value is selected from the group comprising dimension, weight, volume and / or geometric shape,
Determination of a order-specific characteristic value based on the one or more order lines that are processed for an order, and the item-specific characteristic values for each article,
Determination of a load-specific characteristic value of at least one first destination container in which the articles for the named order are to be stored,
Determination of the number of additionally required second destination containers for processing said order based on the order-specific characteristic value and load-specific characteristic value, if an article can not be stored in the first destination container,
Triggering a control signal after it has been determined that an article in the first target container can not be stored, with which at least one funding in the sorting buffer is controlled by the control unit such that the not further fillable first target container from the sorting buffer on a target container conveyor for transporting the first Destination container is transported,
Providing at least one first source container at the picking location for processing at least one first order line to the order,
Providing the second destination container at the loading location for processing one or more order lines for the order,
Remove an article at least from the first source container and place this article in the second destination container according to the order.
The following procedural measures also prove advantageous:
Providing a destination container distribution system with the sorting buffer and a destination container conveyor with a conveyor for transporting empty destination containers, bypassing the sorting buffer to the loading location,
Identify an empty destination container and assign it to a captured order
Request and transport of the empty target container to the loading point after the triggering of a control signal after it has been determined that an article can not be stored in the first target container, with which the conveyor is controlled by the control unit such that the empty target container to the loading place for processing the at least one order line is transported to the order.
By this method measure, an optimum degree of filling of the target containers is determined from a preliminary calculation. If it is found that a target container in the sorting buffer can not be loaded further, this is transported away directly from the sorting buffer. The loading area is not blocked, which has a positive effect on the picking performance.
The following procedural measures also prove advantageous:
Providing a destination container distribution system with the sorting buffer and a destination container conveyor with a conveyor for transporting empty destination containers either to the sorting buffer or bypassing the sorting buffer to the loading site,
Evaluation of the order of the source containers in the buffer section, which are required for processing order lines for different orders,
Evaluation of the target containers in the sort buffer,
Triggering a control signal after it has been determined that in the buffer section section a source container for processing one or more order lines is promoted to a job and in addition to the destination containers in the sorting buffer a destination container must be requested,
Identify the empty destination container and assign it to the order
Transporting the empty target container either to the sorting buffer or to the loading station after the triggering of a control signal with which the conveyor is controlled by the control unit such that the empty target container either to the sorting buffer or to the loading point for processing the at least one order line to the order is transported.
After a first execution, the empty target containers are transported directly to the loading place. The empty target containers are only requested when needed and provided at the loading point. In this case, only destination containers are included in the sorting buffer, which already contain an article for an order line. After a second execution, empty target containers are also transported to the sorting buffer. In this case, empty destination containers and destination containers are included in the sorting buffer, which already contain an article for an order line.
It is also advantageous if the destination container conveyor system has a destination container conveyor system for transporting empty or partially picked destination containers to the loading location and for transporting loaded destination containers from the loading station, wherein the destination container conveyor system for transporting loaded destination containers from the loading location and the source container conveyor system for the removal of source containers from the picking station via a conveyor device with a conveyor are connected to each other, and the control unit controls the För dermittel to auszuschleusen the target container from the target container distribution system to the source container distribution system. Through this design, a space-saving construction of the picking station is achieved.
It can also be provided that the destination container distribution system has a destination container conveyor system for transporting empty or partially picked destination containers to the loading location and for transporting loaded destination containers from the loading station, the destination container conveyor system for transporting empty or partially picked destination containers to the loading location the delivery device connects with the loading station and connects the destination container conveyor technology for the removal of loaded destination containers from the loading point to the delivery device with the loading station. Through this design, a space-saving construction of the picking station is achieved.
According to one embodiment of the invention, it may also be provided that the destination container conveyor system has a destination container conveyor for transporting empty or partially picked destination containers to the loading point and for transporting loaded destination containers from the loading station, wherein the destination container conveyor for transporting empty or partially picked destination containers for Beladeplatz connects to the first conveyor or second conveyor of the sorting buffer and connects the target container conveyor for removal of loaded target containers from the loading point to the paging device with the loading. Depending on the arrangement of the conveyor for transporting empty or partially picked target containers they can be transported either to the first conveyor or the second conveyor. Thus, for example, it is possible that a partially picked target container, which was processed in a previous order picking station, is transported to the first conveying device and thus to a buffer space, provided that a source container assigned to it is already in the buffer path section. Otherwise, a partially picked destination container, which was processed in a previous order picking station, is transported to the second conveyor and thus to a sorting station, provided that a source container assigned to this is not yet in the buffer section section. Also, according to this embodiment, the transport of empty destination containers in the sorting buffer is possible. This use case is when an empty target container is used as a collection container. Such collection containers are mainly used for less extensive orders, especially for orders with only one order line. In this case, a collection container can contain multiple orders, each with an order line.
According to one embodiment of the invention, the dispensing direction of the first conveyor device and the return direction of the second conveyor device are opposite. As a result, a sorting buffer with maximum functionality can be created in the smallest space together with the third conveyor devices. In addition, the movement paths of the target containers along the first conveyor and the second conveyor and between these conveyors are optimized, so that the sorting times are low and high sorting performance is achieved.
It proves to be an advantage if the sorting buffer has a maximum of 20 sorting places and a maximum of 20 buffer places.
The object of the invention is achieved by transporting a first returned goods container for the processing of return storage orders after depositing a returned good back to the first storage order back into the sorting buffer and temporarily buffered on a first sorting station until a source container for depositing a returned good to a the second depository order is conveyed to a buffer path section provided upstream of the loading station, and said first returned goods bin can be moved from the first sorting bay to one of the buffer bays and thereafter to the picking station after the source bin has been transported to the buffer path section for depositing returned goods to a second return bin, and a second returned goods container for processing return warehouse orders after depositing a returned goods to a first deposit order back transported in the sorting buffer and a second Sorting space is moved to one of the buffer locations and then to the picking location, if a source container for depositing a returned goods to a second deposit order has already been transported in the provided upstream of the loading buffer section.
Furthermore, the object of the invention is achieved in that the sorting buffer on a first conveyor in a dispensing direction successively arranged buffer locations and on a second conveyor in a return direction successively arranged sorting stations and the sorting points with the buffer stations connecting third conveyor devices, and that the Andienungsvorrichtung with the single Taking place on a fourth conveyor device is formed, wherein the first conveyor and the second conveyor via the fourth conveyor are connected to each other to promote the Rückwarwarenbehälter for processing storage applications from the sorting buffer to the sampling and remove from the sampling to the sorting buffers, and wherein the first conveyor at least one conveying means for transporting the returned goods containers and the second conveying device at least one conveying means for transporting the R have a supply container, wherein the buffer locations and the sorting stations are assigned funding for transporting the returned goods container, and a control unit selectively and the funding controls that the returned goods containers are sorted in the sorting buffer in an order that depends on the order in which the source containers on the loading are provided, and that a source container and a returned goods container arrive at an order at about the same time at the loading place and unloading place.
The sort function is taken over by the sort buffer. In this case, a small number of returned goods containers are sorted in comparison to the number of source containers. The sorting buffer is located directly in the vicinity of the picking station. The returned goods containers can be transported to the picking station particularly quickly. In particular, the sorting function of the returned goods containers, the provision of the returned goods containers in the sorted order and the transport of the returned goods containers out of the sorting buffer and into the sorting buffer are implemented by the sorting buffer. For this purpose, standardized conveyors are used, which work reliably. In the sorting buffer, the return goods container is preferably transported on a horizontal transport plane, which is formed by the conveying means.
In a preferred embodiment, different return goods types are recorded in the returned goods containers. Thus, multiple return storage orders are also recorded for a returned goods container and a source container is provided for each of these return storage orders. If the source containers contain different article types, returned goods can be stored for different backorder orders in a source container.
The order picking station comprises a single loading point for a source container and a single picking point for a returned goods container. As a result, picking can be reduced to a minimum, if the picking is done manually. Likewise, the picking person hardly needs to move from the place. In principle, however, more than one loading point for source containers and more than one withdrawal point for returned goods containers can be provided.
The process steps are also advantageous:
Transporting the at least some returned goods containers from a provisioning station via a returned goods container conveying system to the sorting buffer, transferring the at least some returned goods containers into the sorting buffer,
Transporting the returned goods containers from the sorting buffer in the sorted order and consecutively to the picking location.
The returned goods containers are initially transported to the sorting buffer and only after an associated source container is present in the buffer path section to the picking location.
Another advantage is the procedural measure:
Transporting at least some returned goods containers from a provisioning station via a returned goods container conveying system, bypassing the sorting buffer to the picking station.
A returned goods container can be transported directly to the picking station if there is an associated source container in the buffer section section or if it is to be started with the return mode and the first returned goods container is to be processed.
For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
Each show:
1 shows a detail of a picking system with a warehouse and several picking stations.
2 shows a picking station for order picking (storage) articles in a "picking mode" and a detail of a source container distribution system and a destination container distribution system;
3a to 3j a sequence of order picking steps for the processing of a number of order picking;
4a to 4d show a sequence sequence of order picking steps for the processing of a number of orders and the provision of the source containers in a modified order at the picking location;
5a to 5c show a sequential sequence of order picking steps for the processing of a number of orders and the provision of an additionally requested target container;
6a to 6c show a sequential sequence of order picking steps for processing a number of orders and providing an existing destination container from the sorting buffer for receiving an article;
7a to 7d show a sequence sequence of order-picking steps for processing a number of orders and transporting an existing destination container from the sorting buffer onto a destination container conveyor system and providing a destination container additionally requested by the control unit;
8 shows a picking station for picking / returning returned goods in a "return mode" and a section of a source container distribution system and a returned goods container distribution system;
9a to 9f a sequence of order picking steps for the processing of a number of depository orders.
By way of introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals or the same component names, the disclosures contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or component names. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and are to be transferred to the new situation mutatis mutandis when a change in position.
1 shows a picking system with a warehouse 1, one or more automated picking stations 2, a source container distribution system 3 and a destination container distribution system 4.
The bearing 1 shown by way of example serves primarily to provide a plurality of source containers 5, in which articles (not shown) are contained. The source containers may each contain a single item type. For example, a first source container contains the (storage) item "A", a second source container the (storage) item "B", etc. On the other hand, the source containers 5 can be divided by dividing walls into a plurality of receiving compartments and accommodating different types of items. Bearing) article "A" and in the second receiving compartment a (bearing) article "B" can be added .. By segmented source container 5, the number of articles in the warehouse 1 can be increased.
In principle, it is also conceivable that the target containers are divided by dividing walls into a plurality of receiving compartments and receive different orders, wherein in the first receiving compartment a first order with one or more articles and in the second receiving compartment a second order can be recorded with one or more articles. The target containers can also be designed without partitions and accommodate different orders. By segmenting the target container, the sorting buffer described below can be reduced, therefore the number of sorting locations and buffer locations are reduced.
Retourware can also be taken up in these source containers 5, with the returned items being item-specifically stored in the source containers 5 or in the receiving compartments.
The invention is not to be understood as limited to containers. Rather, other loading aids, such as trays, boxes and the like. Be used.
The bearing 1 comprises according to the embodiment shown parallel arranged storage shelves 6 and provided between the storage shelves 6 shelf aisle 7th
Each storage rack 6 forms in superimposed shelf levels next to each other a plurality of storage bins 8, on which the source container 5 are stored. In the example shown, two storage shelves 6 are shown. In the context of the invention, however, more than two storage shelves 6 can be provided, wherein between adjacent storage shelves 6 each a rack aisle 7 is formed.
The source container distribution system 3 is used to transport source containers 5 between the warehouse 1 and the picking station (s) 2. The source container distribution system 3 comprises, for example, one or more storage operating devices 9 and a source container conveyor between the warehouse 1 and the order picking stations 2 in order to transport source containers 5 from the warehouse 1 to the respective order-picking stations 2 and to transport source containers 5 from the order-picking stations 2 to the warehouse 1. The source container conveyor can, for example, a first conveyor 10 for transporting source containers 5 to the warehouse 1 and a second conveyor 11 for transporting source containers 5 from the warehouse 1 and a third conveyor 12 for transporting source containers 5 to the order picking station 2 and a fourth conveyor 13 for Removal of source containers 5 from the order picking station 2 and finally a fifth conveyor 14 for transporting source containers 5 between the conveyors 10,11,12, 13 have. The fifth conveying device 14 comprises input and / or discharge devices 15 in order to transport the source containers 5 between the conveying devices 10 to 14. The fifth conveyor 14 is, for example, a closed conveyor loop. The infeed and / or outfeed device 15 is formed, for example, by a belt transfer. On the other hand, the input and / or outfeed device 15 may also be formed by a slide which can be actuated by means of an actuator (not shown).
The source container distribution system 3 may additionally comprise a transfer device 16 for transporting source containers 5 between the storage operator 9 and the source container conveyor.
If single-level rack operating devices are used as storage and retrieval unit 9 in warehouse 1, guideways 17 are arranged in pairs one above the other in horizontal (horizontal) driving planes. The guideways 17 are preferably attached to the adjacent storage shelves 6. The one-level shelving operating units (shuttles), which can be controlled independently of one another by a control unit, can be moved along the aisle 7 and can be moved in front of the storage spaces 8 in the superimposed driving levels.
The storage and retrieval device 9 comprises a loading platform and a transport device 18 (load receiving device). The transport device 18 can manipulate the source containers 5 between the loading platform and the storage location 8, namely to store the source containers 5 in the storage shelves 6 arranged on both sides of the storage operating device 9 or to swap the source containers 5 out of the storage shelves 6 arranged on both sides of the storage operating device 9. It can be provided that at least one storage operating device 9 is assigned to each shelf level. Thus, a storage and retrieval device 9 operates via the transport device 18 a shelf level.
In detail, the storage and retrieval of source containers 5 by means of the storage and retrieval devices 9, the transfer device 16 and the conveyors 10, 11 described in WO 2013/090970 A2.
The transfer device 16 comprises a first buffer device 19a, a first lifting device 20a, a second buffering device 19b and a second lifting device 20b.
The buffer device 19a comprises per transport level provision devices for the intermediate buffering of one or more source containers 5 to be stored and the buffer device 19b comprises supply devices for the intermediate buffering of one or more source containers 5 to be stored per driving level. Other variants are also possible, as described in WO 2013/090970 A2.
The lifting devices 20a, 20b are stationarily mounted and each comprise a lifting device which can be raised and lowered via a lifting drive. Preferably, the transfer devices are each mounted on a vertical mast and each comprise a drivable conveying device.
The source container distribution system 3 may include an optional escape buffer 21 with a conveyor 22. The conveyor 22 is formed for example by a belt converter. The escape buffer 21 is connected to a buffer path section 23. The buffer section 23 is provided upstream of the take-off station. Preferably, the buffer section 23 connects to the unloading station and extends along the third conveyor 12. The conveyor 22 is controlled by a control unit 26 to eject at least one in the (conveyor) sequence preceding source container 5 from the buffer section 23 to the escape buffer 21 and in order to move past at least one source container 5 following in the sequence to the source container 5 in the escape buffer 21 and then to introduce the at least one source container 5 from the escape buffer 21 onto the buffer line segment 23 (see double-headed arrow). The control unit 26 is set up to evaluate the sequence of the source containers 5, which are required for processing different order lines for at least one order and transported on the buffer line section 23, and to determine a modified order in which the source containers are to be transported to the take-off location.
The source container distribution system 3 may also include an optional turning station 24 with which the source containers 5 discharged from the fifth conveyor 14 are rotated from a transverse orientation to a longitudinal orientation.
The source container distribution system 3 may also include an optional sixth conveyor with a conveyor 25. The conveyor 25 is formed for example by a belt converter. The sixth conveyor is connected to the buffer section 23. The conveying means 25 is actuated by the control unit 26 on the basis of a control signal (to be described in more detail below) in order to convey a first source container 5 after the removal of an article from the picking station to the buffering section 23. The
Control signal can also be triggered when the source container 5 is to be transported away from the take-off point 33, although no article or no other articles were stored in the target container 27, as will be described later. The control unit 26 is set up to process the control signal after the last removal of an article from the source container 5 or the last delivery of an article into the destination container 27.
The destination container distribution system 4 is used to transport finished destination containers 27 between the picking station (s) 2 and a goods outlet, as indicated by the arrow 28, or the transport of partially picked destination containers 27 between a first picking station 2 and a second picking station 2. The destination container distribution system 4 also serves to transport empty destination containers 27 or partially picked destination containers 27 to the picking station (s) 2.
The destination container distribution system 4 includes a destination container conveyor. The target container conveyor system can, for example, a first conveyor device 29 for transporting empty target containers 27 and / or partially picked target containers 27 to the respective picking station (s) 2 and a second conveyor 30 for transporting partially picked target containers 27 or finished target containers 27 of the / the Commissioning Station (s) 2 concerned. The first conveying device 29 for transporting empty destination containers 27 and / or partially picked destination containers 27 connects to a delivery device with the loading point for a destination container 27. The second conveyor 30 for the removal of partially picked destination containers 27 or finished destination containers 27 connects either to the delivery device with the loading point for a target container 27 or to the sorting buffer 36 at. If the second conveying device 30 connects to the sorting buffer 36, the target containers 27 are transported in the sorting buffer 36 via the second conveying device 40 to the second conveying device 40 of the target container conveying system and discharged there via the conveying means 31 from the sorting buffer 36 to the target container conveying system.
Optionally, the target container conveyor with its first conveyor 29 for transporting empty target containers 27 and / or partially picked target containers 27 to the respective picking station (s) 2 to the sorting buffer 36 connect (as exemplified in Fig. 1 in dotted lines) so that empty target containers 27 and / or partially picked target containers 27 are initially transported into the sorting buffer 36 and, if appropriate, sorted to the relevant picking station (s) 2. The first conveying device 29 can connect either to the first conveying device 37 of the sorting buffer to be described in more detail or to the second conveying device 40 of the sorting buffer, which will be described in more detail later. In contrast to the illustration in FIG. 1, the first conveying device 29 can also be connected to the fifth conveying device 14 in order to transport empty target containers 27 and / or partially picked target containers 27. The empty destination containers 27 and / or partially picked destination containers 27 are transferred to a buffer space 39-5 and then transported to the loading location 35 or to a sorting location 42-1. A partially picked destination container 27 can also be transported from a buffer location 39-5 and to a sorting location 42-1, provided that the source container assigned to the partially picked destination container 27 has not yet been transported to the buffer section section 23.
But it is also possible that the target container conveyor technology comprises a first conveyor device 29 with separate transport of empty target containers 27 and partially picked target containers 27, wherein one of the first conveyor device 29 for transporting empty target containers 27 to the paging device of the picking station 2 and the other first conveyor device 29 for delivery of partially picked target containers 27 connect to the sorting buffer.
The conveying device 13 for transporting source containers 5 from the unloading station and the conveying device 30 for transporting loaded destination containers 27 from the loading station are connected to one another via a third conveying device with a conveying means 31. The conveyor 31 is formed for example by a belt converter. The conveyor 31 is controlled by the control unit 26 in order to discharge the loaded destination containers 27 from the destination container conveyor to the source container conveyor. According to the embodiment shown, for reasons of space saving, a single conveying device 13 is used for the removal of loaded target containers 27 from the loading place and for the removal of source containers 5 from the unloading place. It would also be conceivable to use two separate conveying devices 13, 30.
The picking station (s) 2 is / are connected to the source hopper conveyor of the source hopper distribution system and the destination hopper conveyor of the destination hopper distribution system.
The order-picking station 2 comprises a delivery device 32 for providing a source container 5 at a single removal location 33 (removal position) and a delivery device 34 for providing a destination container 27 at a single loading location 35 (loading position) and a sorting buffer 36.
The sorting buffer 36 comprises on a first conveyor 37 in a discharge direction (arrow from left to right) successively arranged buffer locations 39 and on a second conveyor 40 in a return direction (arrow from right to left) successively arranged sorting stations 42 and the buffer sites 39 with the sorting 42 connecting third conveying devices 43. According to a preferred embodiment, the first conveying device 37 and second conveying device are arranged in parallel, while the third conveying devices 43 are arranged perpendicular to the first conveying device 37 / second conveying device 40. The discharge direction of the requested target containers 27 on the first conveyor 37 and the return direction of the returned target containers 27 on the second conveyor 40 extend in the opposite direction. The delivery device 34 for the target containers 27 is formed on a fourth conveyor 48. The first conveying device 37 and the second conveying device are connected to one another via the fourth conveying device 48 in order to convey the target containers 27 for processing different order lines to at least one order from the sorting buffer 36 to the loading station 35 and to convey them from the loading station 35 to the sorting buffer 36. The first conveying device 37 and the second conveying device 40 each have conveying means 44, 45. The target containers 27 are transported to the processing of orders on the first conveyor 37 by means of the conveying means 44 in the discharge direction and sorted to the loading position 35. The conveyor 44 forms a horizontal conveyor plane. On the other hand, after a processing of orders and which still require articles for orders, target containers 27 can be transported on the second conveyor 40 by means of the conveying means 45 in the return direction from the loading station 35 to the sorting stations 42. The conveying means 45 forms a horizontal conveying plane.
The conveying means 44, 45 each have, for example, on a frame rotatable mounted conveyor rollers and each form a roller conveyor. At least one conveying means 44 for transporting the destination containers 27 in the discharge direction and the sorting stations 42 are assigned to the buffer spaces 39 at least one conveying means 45 for transporting the destination containers 27 in the return direction. The conveyor 44 is driven and coupled to a first drive motor. The conveyor 45 is driven and coupled to a second drive motor. According to the embodiment shown, each buffer space 39 comprises a conveying means 44 with a plurality of conveying rollers, of which at least one conveying roller is driven and coupled to a drive motor. In addition, each sorting station 42 comprises a conveyor 45 with a plurality of conveyor rollers, of which at least one conveyor roller is driven and coupled to a drive motor.
The drive motors are connected to the control unit 26, and the conveying means 44, 45 can be controlled separately by the control unit 26.
The third conveying devices 43 connect the opposing buffer locations 39 and sorting stations 42 in order to deliver the destination containers 27 from the control unit 26 to the buffer locations 39 in a time-controlled manner from the sorting locations 42 so that the destination containers 27 already leave the sorting buffer 36 in a sorted order and This sorted order the loading point 35 are supplied sequentially. The third conveying devices 43 each have conveying means 46, 47. The target containers 27 are transported for processing orders on the third conveyor 43 by means of the conveying means 46, 47 from the sorting stations 42 to the buffer stations 39. The conveying means 46, 47 forms a horizontal conveying plane. The conveying means 46, 47 for each third conveying device 43 is driven and coupled to a third drive motor.
As can be seen from FIGS. 1 and 2, some of the buffer locations 39 and sorting sites 42 can each be assigned a common conveying means 46. Otherwise, some of the buffer locations 39 and sorting sites 42 per buffer space 39, a conveying means 47 and per sorting station 42 a conveying means 47 can be assigned.
The conveying means 46, 47 are each formed by a belt converter, for example. Belt converters of this type (and this also applies to the belt converters mentioned elsewhere) have conveyor belts coupled to a drive motor, which are mounted on an airfoil and form the conveying plane. The conveyor belts can be moved over the Fubwerk between a raised conveying position in which a target container 27 is lifted from a sorting station 42 and conveyed on the conveyor belt to a buffer space 39, and a lowered rest position in which the conveyor belt below the conveying plane of the conveyor 44, 45 are lowered and a target container 27 is transported from the conveyor 45 to a sorting station or destination container 27 from the conveyor 45 from a first sorting station 39 to a second sorting station.
On the other hand, the conveying means 46, 47 may each also be formed by a slide which can be actuated by means of an actuator (not shown), in which case the buffer spaces 39 and sorting stations 42 are connected via a "passive" sliding surface.
The conveyor 47 on the sorting station 42-4 and the conveyor 47 on the buffer station 39-2 can be operated bidirectionally. Optionally, the conveyor 47 on the sorting station 42-5 and the conveyor 47 can be operated bidirectionally on the buffer space 39-2. However, the conveying means 46 for the sorting stations 42-1 to 42-3 and buffer stations 39-3 to 39-5 can also be operated bidirectionally.
The conveying means 44, 45, 46, 47 are actuated by the control unit 26 such that the target containers 27 are sorted in the sorting buffer 36 in an order which is determined depending on the order in which the source containers 5 are provided on the unloading place, and a source container 5 and a destination container 27 arrive at an order approximately at the same time at the picking location and loading station.
As can also be seen in the figure, a conversion direction (arrow from top to bottom) of the target container 27 returned to the sorting buffer 36 from the loading station 35 runs essentially perpendicular to the discharge direction and return direction.
The drive motors / actuators are connected to the control unit 26, and the conveying means 46, 47 can be controlled separately by the control unit 26.
In an advantageous embodiment, the sorting buffer 36 comprises a maximum of 20 buffer locations and a maximum of 20 sorting locations. The number of buffer locations and sorting locations can be determined depending on the article range and / or lot sizes and / or container type. The number of buffer locations and sorting locations will tend to be higher if there is a large assortment width but a small lot size. In contrast, the sorting buffer 36 may have a minimum number of buffer locations and sorting locations as the range of products decreases and higher batch sizes exist. The sorting buffer 36 may also have only two buffer locations and two sorting locations in simple applications.
The delivery device 32 shown for providing a source container 3 at a single take-off location 33 (removal position) comprises an arc-shaped deflection conveyor technology, which the third conveying device 12 for transporting source containers 5 to the order picking station 2 and the fourth conveying device 13 for transporting source containers 5 from the order picking station 2 connects with each other. The Umlenkfördertechnik has funding 49. The source containers 5 are transported for processing orders by means of the third conveying device 12 to the delivery device 32 and transported on the delivery device 32 by means of the conveying means 49 to the removal point 33. Preferably, the source container 5 is temporarily stopped at the removal location 33 in order to carry out the picking process by a picking person (as shown) or a robot. The conveyor 49 is driven and coupled to a drive motor. The conveyor 49 has, for example, on a frame rotatable mounted conveyor rollers.
The shown delivery device 34 for providing a destination container 27 on a single loading station 35 (loading position) comprises an arc-shaped deflection conveyor system which connects the first conveyor device 37 and the second conveyor device 40 with each other. The Umlenkfördertechnik has funding 50. The target containers 27 are transported for processing orders by means of the first conveyor 37 to the Andienungsvorrichtung 34 and further transported on the Andienungsvorrichtung 34 by means of the conveyor 50 to the loading station 35. Preferably, the target container 27 is temporarily stopped at the loading site 35 to perform the picking operation by a picking person (as shown) or a robot. The conveyor 50 is driven and coupled to a drive motor. The conveyor 50 has, for example, on a frame rotatable mounted conveyor rollers.
In addition, the order picking station 2 may comprise an input and / or output system 51, which is connected to the control unit 26.
If picking by a picking person, so an input and output system 51 is provided with an acknowledgment button and a display. The display comprises a display field by means of which a numerical or alphanumeric (visual) output of order-picking instructions can take place. For example, the order picking person is signaled on the display as to which number of articles should be taken from the source container 5 and stored in the destination container 27. After the last removal of an article from the source container 5 or after the last delivery of an article in the destination container 27, a control signal is triggered, if the order picker actuates the acknowledgment button on the input and / or output system 51. However, it is also possible to trigger a control signal by actuating the acknowledgment key if the picking person has determined that no article or no further articles can be stored in the target container 27. The control signal can also be triggered in other ways, for example by voice input, gestures (for example, hand movements) and the like.
If picking is performed by a robot, then an input system 51 with a camera system or a suitable other sensor is provided, by means of which, for example, a loading state in the target container 27 can be determined. The control unit 26 determines based on the loading state which number of items to be removed from the source container 5 and stored in the target container 27. After the last removal of an article from the source container 5 or after the last delivery of an article in the destination container 27, a control signal is triggered, if the control unit 26, an acknowledgment signal has been transmitted, for example, from the camera system. However, it is also possible for a control signal to be triggered by the camera system, if it has been determined by the control unit 26 that no article or no further articles can be stored in the target container 27.
As entered in FIG. 1, an order destination point 52 is provided along the transport path between the at least one storage and retrieval device 9 and the take-off location 33, on which the sequence of the source containers 5 is determined. The buffer section 23 preferably extends between the order designation point 52 and the extraction place 33. Thereafter, the order of the source containers 5 is not changed. Only for technical reasons, the order of at least some source container 5 can be modified, as will be described below. The sequence determination point 52 is preferably provided on the input and / or outfeed device 15, at which the source containers 5 are transported from the fifth conveyor 14 to the third conveyor 12. The detection of the order of the source container 5 is carried out by the control unit 26, known per se tracking systems (tracking system) are used, which can determine the location of each source container 5 along the transport path. It is necessary for this that the source container 5 are identified and detected by the control unit 26 before they are stored in the bearing 1. The
Source container 5 are each provided with a unique (unique) identification code, such as an identification number. In addition, the transport of the source container 5 from the fifth conveyor 14 to the third conveyor 12 can be monitored via a sensor (not shown) on the input and / or outfeed device 15. After the location of each source container 5 is known from the tracking and the sensor monitors the transport of the source container 5 from the fifth conveyor 14 to the third conveyor 12, the control unit 26, the order in which the source container 5 in the buffer section section 23 on the third conveyor 12 can be reliably detected.
In the jointly described FIGS. 3a to 3j, a method for picking articles at a picking station 2 is described, at which orders are processed. The conveying means 44, 45, 49, 50 were not included in these figures for reasons of clarity. An order can also be processed in partial orders at a single picking station 2. Otherwise, the orders or partial orders of the orders can also be processed at several order-picking stations 2. In this case, a destination container 27 is initially fed to a first picking station 2 and at least one article is picked. Thereafter, the destination container 27 is fed to a second picking station 2 and at least one article is picked. In other words, the order can not be processed completely at a single picking station 2 and the destination container 27 is transported to the second picking station 2 after the partial picking in the first picking station 2 via the fifth conveying device 14 (FIG.
In the following, for the sake of simplicity, we will speak of "assignments". One
Order can also be understood as a picking order. A customer order includes at least one order. The orders are available as data records. The orders are electronically acquired on a computer (not shown) and transmitted to the control unit 26 (FIG. 1). Each order includes one or more order lines. If the order specifies several order lines, different articles are required. Each order line has at least information about a quantity of an ordered article and about an article type. In e-commerce, the lot sizes are small, so that there is a relatively high number of different orders with only a few order lines. A first job may include a single job line, for example, 1 book.
A second order may include a first order line, for example 2 pieces of DVD and a second order line, for example 7 pieces of CD's. A third order may include a first order line, for example 20 pieces of ballpoint, a second order line, for example 12 pieces of notebooks, a third order line, for example 1 piece of copy paper, a fourth order line, for example 3 pieces of staples, etc.
For the first processing of (new) orders empty destination containers 27 are fed via the conveyor device 29. The empty destination containers 27 are identified and an empty destination container 27 is linked to a recorded order in terms of data.
The transport of the identified and empty destination container 27 to the loading station 35 takes place after the triggering of a control signal described above by manual actuation of an acknowledgment button on the input and / or output system 51 or by detecting an acknowledgment signal, for example a camera system. With this control signal, the conveyor device 29 is controlled by the control unit 26 such that the empty target container 27 (bypassing the sorting buffer) is transported to the loading station 35 for processing the at least one order line to the job.
In the sorting buffer 36 target containers 27 are temporarily buffered, which require articles for more than one order line and already contain a first order line. Therefore, in each case at least one article was stored in the destination containers 27. However, some destination containers 27 may also be empty, which are fed via the conveyor system 29 adjoining the sorting buffer 36.
If, for example, the order comprises a first order line (2 pieces of DVD) and a second order line (7 pieces of CD) and if a (first) source container 5 provided on the take-off location 33 contains the articles for the first order line, the destination container 27 will be after picking the articles for the first order line for the time being transported to the sorting buffer 36. If a (second) source container 5 is provided with the item for the second order line on the picking place 33, the destination container 27 is repeatedly provided on the (single) loading place 35 and the article is picked for the second order line. This process is performed at the picking station 2 via a number of jobs.
The source containers 5 are stored in a disorderly (chaotic) order from the warehouse 1 and conveyed in a disorderly (chaotic) order to the take-off place 33. The order in which the source containers 5 are conveyed to the take-off location 33 may differ from the order in which the source containers 5 are removed from the warehouse 1. Preferably, the source containers 5 each store a single item type. One speaks of so-called "item-type" source containers 5. Usually, a number of orders are to be processed at the picking station 2 and contain some orders that include more than one order line. As a result, the target containers 27 must be provided several times at the (single) loading place 35 and in an order determined depending on the order in which the source containers 5 are provided on the take-off place 33, as described above.
3a shows a possible operating state at the order-picking station 2. This order-picking station 2 is assigned the orders A1 to A6 "and each order comprises several order lines. Each of the order lines (position 1, position 2, etc.) has at least information about the associated quantity of an ordered article and about its article type.
As can be seen, in the sorting buffer 36 on the sorting locations 42-1 to 42-3 and on the buffer space 39-2 destination containers 27 are located at different orders, for example a destination container "T3" for an order "A3", a destination container "T4" to an order "A4", a destination container "T5" to an order "A5" and a destination container "T6" to an order "A6". In addition, there are target containers 27 for different orders on the delivery device 34, for example a destination container "T2" for an order "A2" and a destination container "T1" for an order "A1". The order "A1" is currently being processed.
As not shown in detail, an empty target container 27 for the order "A1" on the conveyor 29 of the picking station 2 is previously supplied. The empty target container 27 is identified and linked to the data "A1". The target container 27 now corresponds to the target container "T1". Meanwhile, the source container "S1.1" is also transported from the buffer section 23 to the unloading station 33. If the source container "S1.1" provided on the unloading place 33 and the destination container "T1" on the loading place 35, a first order line can be processed, therefore 2 pieces of red pens taken from the source container "S1.1" and in the target container "T1 "Filed. The destination container "T1" is then transported from the loading location 35 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since a second order line (item 2) is yet to be processed.
For further processing of orders "A1 to A6", the source containers 5 are removed from the warehouse 1 and transported to the picking station 2 via the source container conveyor. Each source container 5 contains an article for processing an order line for an order. This means that the source container "S1.2" for the second order line (position 2) the article "pen yellow", the source container "S2.3" for the third order line (position 3) the article "care product", the source container " S3.2 "for the second order line (position 2) the article" T-shirt green ", the source container" S1.3 "for the third order line (position 3) the article" pen green ", the source container" S2.4 " for the fourth order line (position 4) store the item "cleaning brush" and the source container "S3.3" for the third order line (position 3) the article "T-shirt black". The first place in the terminology "Sx.y" denotes the order and the second place denotes the order line.
As can be seen, some of the source containers "S1.2 to S3.3" required for the orders "A1 to A6" are already located in a buffer section section 23 of the source container distribution system, in particular the source container conveyor system.
Although the source containers "S1.2 to S3.3" are supplied to the picking place 33 in a disordered order, at the order designation point 52 (Figure 1), this order is detected. The destination containers "T1 to T3" are sorted in and through the sorting buffer 36 in an order determined by the order of the source containers "S1.2 to S3.3".
In Fig. 3a is the source container "S1.2" for the second order line (position 2) on the take-off place 33 and the target container "T1" on the loading point 35. The second order line (position 2) includes 4 pieces of yellow pins, which taken from the source container "S1.2" and stored in the destination container "T1". After the last (manual or automatic) removal of an article from the source container "S1.2" or last delivery of an article in the destination container "T1, a control signal is triggered. With this control signal, at least the buffer section 23 and the conveyor 49 on the delivery device 32 and the conveyor 50 on the delivery device 34 and the conveyor 45 on the conveyor 40 are controlled by the control unit 26 such that the source container "S1.2" from Removal point 33 transported away, the source container "S2.3" transported to the removal point 33, the previously processed target container "T1" transported from the loading point 35 and the still to be processed target container "T2" are transported to the loading point 35.
As can be seen in FIG. 3b, the previously processed target container "TΓ is transported from the loading place 35 back into the sorting buffer 36 and to a sorting place 42-4 determined by the control unit 26, since a third order line (position 3) still has to be processed. The source container "S1.2" is transported on the source container conveyor from the picking station 33 and stored in the warehouse 1. If the source container "S2.3" provided on the unloading station 33 and the target container "T2" on the loading point 35, the third order line (position 3) can be edited, therefore 1 piece of care product from the source container "S2.3" removed and Target container "T2" filed. After the (manual or automatic) removal of the single article from the source container "S2.3" or the last delivery of the single article into the destination container "T2", a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 in such a way that the source container "S2.3" is removed from the unloading station 33 , the source container "S3.2" transported to the removal point 33, the previously processed target container "T2" transported from the loading point 35, the still to be processed target container "T3 '' are transported to the loading station 35. The source container "S2.3" is transported away via the source container conveyor system (FIG. 3d). The previously processed target container "T2" is transported from the loading station 35 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since a fourth order line (position 4) still has to be processed (FIG. 3d). In the meantime, the source container "S2.5" for the fifth order line (item 5) has been transported to the buffer section 23 with the item "rinsing agent".
As can be seen in FIG. 3c, the destination container "T1" can be moved directly from the sorting location 42-4 to one of the buffer locations 39-2 determined by the control unit 26 and then to the delivery device 34 after the source container "S1.3" has already been moved. was transported with an article for the third order line (position 3) in the buffer section section 23. The transport of the destination container "T1" from one of the sorting locations 42-4 to one of the buffer locations 39-2 takes place by means of the conveying means 46, 47 of one of the third conveying devices 43, for example the conveying means 47 of the sorting station 42-4 and buffer space 39-2 The conveying means 46, 47 are controlled by the control unit 26. The target container "T1" is moved past the target containers "T4 to T6" temporarily buffered in the sorting buffers 42-1 to 42-3 in the sorting buffer 36. Thus, the sorting buffer 36 is used by the sorting buffer 36 Sorting 42-1 to 42-5 carried out a sorting process.
As can be seen in FIG. 3d, the destination container "T2" was transported from the loading station 35 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since a fourth order line (item 4) still needs to be processed. The target container "T1" was transported from the sorting buffer 36 from one of the buffer locations 39-2 to the paging device 34. The target container "T1" is after the (manual or automatic) removal of the article from the source container "S2.3" and after the still to be processed target container "T3" on the loading point 35 and the previously processed target container "T2" on one of transported by the control unit 26 certain sorting stations 42-4, transported from the buffer space 39-2 on the delivery device 34. For this purpose, after the (manual or automatic) removal of the article from the source container "S2.3" or last delivery of the article in the target container "T2" a control signal is triggered and the conveyor 44 of the first conveyor 37 and the conveyor 50 of the Andienungsvorrichtung 34th is controlled by the control unit 26 such that the target container "T1" is transported from the buffer space 39-2 to the loading place 35 (FIG. 3e).
As shown, the source container "S3.2" for the second order line (position 2) is located on the picking location 33 and the destination container "T3" is located on the loading area 35. The second order line (position 2) comprises 1 piece of green T-shirt. which is taken from the source container "S3.2" and stored in the destination container "T3".
After the (manual or automatic) removal of the article from the source container "S3.2" or last delivery of an article in the target container "T3", a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 in such a way that the source container "S3.2" is transported away from the unloading station 33 , the source container "S1.3" transported to the removal station 33, the previously processed target container "T3" transported from the loading point 35, the still to be processed target container "T1" are transported to the loading station 35. The source container "S3.2" is transported away via the source container conveyor system (FIG. 3e). The previously processed target container "T2" is transported from the loading station 35 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since a fourth order line (position 4) still has to be processed. In the meantime, the source container "S5.2" for the second order line (item 2) has been transported to the buffer section 23 with the item "sunglasses".
As can be seen in FIG. 3e, the destination container "T5" can be transported from the sorting location to one of the buffer locations39-4 determined by the control unit 26, after the source container "S5.2" already has an article for the second order line (position 2). has been transported into the buffer section 23. However, the target container "T5" can not yet be moved to the loading location 35 or the delivery device 34, since this destination container "T5" still needs to be lined up with the destination container "T2". The transport of the destination container "T2" from one of the sorting locations 42-4 to one of the buffer locations 39-2 takes place by means of the conveying means 46, 47 of one of the third conveying devices 43, for example the conveying means 47 of the sorting station 42-4 and buffer space 39-2. The transport of the destination container "T5" from one of the sorting locations 42-2 to one of the buffer locations 39-4 takes place by means of the conveying means 46, 47 of one of the third conveying devices 43, for example the conveying means 46 for the sorting station 42-2 and buffer space 39-4. The conveying means 46 and the third conveying devices 43 are controlled independently of one another by the control unit 26. Thus, the destination containers "T2 and T5" can be transported in parallel between the sorting locations 42-2, 42-4 and the buffer locations 39-4, 39-2. The destination container "T5" may have been transported from the sorting location 42-2 to the buffer space 39-4 before the destination container "T2". In principle, however, the destination container "T5" could also be transported from the sorting location 42-2 to the buffer space 39-4 only after the destination container "T2".
The destination container "T2" can be moved past the destination container "T5" and / or sorting stations 42-1, 42-2 temporarily buffered target containers "T4 to T6" located in the sorting buffer 36 on the buffer space 39-4. Thus, a sorting process is performed by the sorting buffer 36 via the buffer locations 39-1 to 39-5 and / or sorting locations 42-1 to 42-5.
After the target container "T5" has been transported from the sorting station 42-2 to the buffering station 39-4, the destination container "T4" can be transported from a sorting station 42-3 in the return direction downstream to a sorting station 42-2. The transport of the destination container "T4" from the sorting station 42-3 to the sorting station 42-2 takes place by means of the conveying means 45 of the second conveying device 40 or by means of the conveying means 45 of the sorting stations 42-2, 42-3. The / the conveyor 46 is / are controlled by the control unit 26. The destination container "T3", however, is not transported from the sorting station 42-4 to the sorting station 42-3, since it has to be transported directly to the loading position 35.
As can also be seen, the previously processed destination container "T3" is transported from the loading location 35 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since a third order line (item 3) is yet to be processed. Of course, it would also be possible for the destination container "T3" to be transported via the sorting station 42-4 to a sorting station 42-3 determined by the control unit 26.
As can be seen in Fig. 3f, the target container "T2" was transported by means of the conveyor 44 of the first conveyor 37 and the conveyor 50 of the Andienungsvorrichtung 34 from the buffer space on the Andienungsvorrichtung 34. The target container "T5" was transported by means of the conveyor 44 of the first conveyor 37 to the buffer space 39-4. On the other hand, the source container "S1.3" for the third order line (position 3) on the take-off point 33 and the destination container "T1" on the loading point 35 to edit the third order line (position 3). Take 1 piece of green pencil from the source container "S1.3" and place it in the target container "T1". After the (manual or automatic) removal of the single article from the source container "S1.3" or last delivery of an article into the destination container "T1", a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 in such a manner that the source container "S1.3" is transported away from the unloading station 33 , the source container "S2.4" transported to the removal point 33, the previously processed target container "T1" transported from the loading point 35, the still to be processed target container "T2" are transported to the loading station 35. The source container "S1.3" is transported away via the source container conveyor. The target container "T1", which has already been picked for this order, will be transported to the destination container conveyor system. The transport of the destination container "T1" from the loading point 35 to the destination container conveyor takes place via the conveyor 45 of the second conveyor 40, the conveyor 47 at the sorting station 42-4 and the conveyor 31 of the conveyor 30. Preferably, the source container conveyor is also called Target container conveyor technology used and the target container "T1" before or after the source container "S1.3" discharged from the conveyor 30 to the conveyor 13, as entered in Fig. 3g. The destination container "T1" is transported to the goods outlet 28.
As can be seen in Fig. 3g, the destination bin "T5" was transported from buffer space 39-3 to buffer space 39-2. The transport of the target container "T5" takes place by means of the conveyor 44 of the first conveyor 37 and the conveyor 44 of the buffer 39-4, 39-3. The destination container "T4" can be transported from the sorting location 42-2 to one of the buffer locations 39-4 determined by the control unit 26, after the source container "S4.2" with an article for the second order line (position 2) already enters the buffer path section 23 was transported. However, the target container "T4" can not yet be moved to the loading place 35 because this target container "T4" is preceded by the target container "T5". The transport of the destination container "T4" from one of the sorting locations 42-2 to one of the buffer locations 39-4 takes place by means of the conveying means 46 of one of the third conveying devices 43. The destination container "T5" can not yet be moved to the loading location 35 because of this Target container "T5" the target container "T2" is to line.
The source container "S2.4" for the fourth order line (position 4) is at the take-off location 33 and the destination container "T2" is provided at the loading location 35 to process the fourth order line (position 4). Remove 1 piece cleaning brush from the source container "S2.4" and place it in the destination container "T2". After the (manual or automatic) removal of the article from the source container "S2.4" or last delivery of an article in the destination container "T2", a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 in such a manner that the source container "S2.4" is removed from the unloading station 33 , the source container "S3.3" transported to the removal point 33, the previously processed target container "T2" transported from the loading point 35, the still to be processed target container "T3" are transported to the loading station 35. The source container "S2.4" is transported away via the source container conveyor system (FIG. 3h). The previously processed destination container "T2" is transported from the loading station 35 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since a fifth order line (item 5) still has to be processed.
As can be seen in FIG. 3h, the source container "S3.3" for the third order line (position 3) is located on the removal location 33 and the destination container "T3" is located on the loading location 35 in order to process the third order line (position 3). In the meantime, the source container "S6.2" for the second order line (item 2) has been transported to the buffer section 23 with the item "shoes black". Thus, the destination container "T6" can be transported from the sorting location 42-1 to one of the buffer locations 39-5 determined by the control unit 26. Target container "T4" was transported from buffer space 39-4 to buffer space 39-3. The transport of the target container "T4" takes place by means of the conveying means 44 of the first conveying device 37 and the conveying means 44 of the buffer stations 39-4, 39-3.
As illustrated in FIG. 3i, the target container "T2" can be moved directly via the sorting station 42-5 to one of the buffer locations 39-1 determined by the control unit 26 and then to the delivery device 34 or to the loading location 35, after the first Source container "S2.5" was transported with an article for the fifth order line (position 5) in the buffer section section 23. Target container "T6" was transported from buffer space 39-5 to buffer space 39-4.
Finally, FIG. 3j shows the target container "T2" on the loading place 35 and the source container "S2.5" on the take-off place 33 in order to process the fifth order line (position 5). 1 piece of dishwashing liquid is taken from the source container "S2.5" and deposited in the target container "T2".
After the (manual or automatic) removal of the single article from the source container "S2.5" or last delivery of an article in the destination container "T2", a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 in such a way that the source container "S2.5" is removed from the unloading station 33 , which transports the source container "S5.2" to the removal location 33, removes the previously processed destination container "T2" from the loading location 35, and the target container "T5" still to be processed is transported to the loading location 35. The source container "S2.5" is then transported away via the source container conveyor. The target container "T2", which has already been picked for this order, will then be transported to the destination container conveyor system. The transport of the destination container "T2" from the loading site 35 to the destination container conveyor takes place via the conveyor 45 of the second conveyor 40, the conveyor 47 at the sorting station 42-4 and the conveyor 31 of the conveyor 30. The destination container "T2" is the goods issue 28 transported.
Then the jobs "A5, A4, A6" are processed one after the other. The finished picked target containers "T5, T4" are in turn transported to the destination container conveyor. For the order "A6" further order lines are to be processed and this destination container "T6" is transported from the loading place 35 back to the sorting buffer 36 and to a sorting station determined by the control unit 26 after the articles have been deposited to the second order line (position 2) because there is still a third / fourth order line (position 3, 4) to edit.
In order to be able to carry out a continuous processing of further orders "A7..An", empty delivery containers 27 are fed via the conveying device 29 to the picking station 2, as exemplified in FIG. 3j. The empty target container 27 is identified and linked to the data "A7". The target container 27 now corresponds to the target container "T7". Meanwhile, the source container "S7.1" is also transported from the buffer section 23 to the unloading station 33. Target container "T7" is lined up with target containers "T4, T6". If the source container "S7.1" is provided on the picking location 33 and the destination container "T7" is provided on the loading location 35, a first order line can be processed. The destination container "T7" is then transported from the loading station 35 back into the sorting buffer 36 and to a sorting station determined by the control unit 26, provided that a second order line is still to be processed. If the order "A7" comprises only a single order line, the destination container "T7" is transported directly to the destination container conveyor system. The destination container "T7" is either transported to the goods issue 28.
It should be pointed out at this point that a destination container "T1 ... T6" can be transported from the loading location 35 to the sorting location 42-5 or another sorting location 42-4 to 42-1, depending on which of the sorting locations 42-1 until 42-5 is occupied. Basically, the control unit 26 determines the sorting location 42-5 which is unoccupied and as close as possible to the loading location 35. This short change times for the provision of target containers "T1 ... T6" are reached at the loading point 35.
On the basis of this exemplary embodiment, it will be seen that a first target container "T1 ... T6" for processing different order lines to at least one order "A1... A6" after placing an article back into the sorting buffer 36 transported and buffered on a first sorting at least temporarily until a source container "S1.2 ... S6.2" is conveyed with an article to a second order line in a provided upstream of the take-off point 33 buffer section section 23. The said first destination container "T1 ... T6" can be moved from the first sorting location to one of the buffer locations and then to / on the loading location 35 after the source container "S1.2 ... S6.2" with an article to a second order line has been transported in the buffer section section 23. In this case, according to a first method of operation, said target container "T1 ... T6" is moved to the loading location 35 immediately after it has been transported to buffer space 39 (see, for example, FIGS. 3b to 3d). According to a second procedure, said target container "T1 ... T6" in the order of the destination containers "T1 ... T6" on the buffer locations 39 is preceded by another destination container "T1 ... T6" and said target container "T1 .. T6". T6 "is moved to the loading station 35 only after the preceding destination container" T1 ... T6 "(see, for example, FIGS. 3e to 3j). During operation of the sorting buffer 36, both procedures usually occur.
On the other hand, it can also be seen from this embodiment that a second destination container "T1 ... T6" for processing different order lines to at least one order "A1 ... A6" after placing an article to a first order line back into the sorting buffer 36th transported and moved via a second sorting on one of the buffer locations and then to / on the loading point 35, if a source container "S1.2 ... S6.2" with an article to a second order line already in an upstream of the take-off 33rd provided buffer section section 23 has been transported.
The target containers "T1 ... T6" are transported from the sorting buffer 36 in the sorted order and sequentially to the loading site 35, the transport of the source containers "S 1.2 ... S6.2" from the warehouse 1 to the take-off location 33 and the transport of the Target container "T1 ... T6" from the sorting buffer 36 to the loading point 35 are coordinated so that a source container "S1.2 ... S6.2" and a destination container "T1 ... T6" to a job in about the same time Take-off place 33 and loading place 35 arrive.
In the jointly described FIGS. 4a to 4d, a method for picking articles at a picking station 2 described above is shown, in which the order of the source containers 5 are sorted into a modified order.
Basically, the source containers 5 are stored in a disordered (chaotic) order from the warehouse 1 and conveyed to the buffer section 23 in a disorderly (chaotic) order. Optionally, this disordered (chaotic) order of some of the source containers 5 may be changed.
The control unit 26 is set up to determine a modified sequence of the source containers 5, which are required for different order lines for one or more orders. The source containers 5 are then transported in the modified order to the picking place 33. As described above, the control unit 26 may determine the disordered (chaotic) order. In other words, the control unit 26 determines the location of each source container 5 along the transport path between the stocker 1, in particular, the order designation point 52 and the takeout place 33.
If the disordered (chaotic) order to be changed, the conveyor 22 is controlled by the control unit 26 such that a single source container 5 or more source container 5 discharged via the conveyor 22 from the buffer section 23 to the escape buffer 21 and time controlled again from Au swe I buffer 21 is introduced to the buffer section 23.
As shown in the embodiment, the source container "S1.1" for the first order line (position 1), the source container "S3.2" for the second order line (position 2), the source container "S1.2" for the second order line ( Position 2) and the source container "S3.3" for the third order line (position 3) transported in the buffer section 23 in the order specified. In the sorting buffer 36, the destination containers "T3 to T6" may be buffered, with the destination containers "T4 to T6" being placed on the sorting locations 42-1, 42-2, 42-3, since no source containers 5 have yet been required for these orders the buffer section 23 have been transported. Target container "T3" has been moved from sorting location 42-4 to buffer space 39-2. The target container "T3" is still the target container "T1" lined up. The target container "ΤΓ is an empty target container 27 and was fed via the conveyor 29.
It should also be noted that an order can be processed at several picking stations 2. In this case, at least one order line of this order and at a second order picking station 2 at least one order line of this order are processed at a first picking 2.
As can be seen in FIGS. 4a to 4c, the first source container "S1.1" is moved past the escape buffer 21. The source container "S1.1" is provided on the take-off place 33 and the destination container T1 on the loading place 35. Then, for the first order line (position 1), an article can be taken from the source container "S1.1" and placed in the destination container T1.
After the last (manual or automatic) removal of an article from the first source container "S1.1" or last delivery of an article in the Zielbe container "ΤΓ a control signal is triggered. With this control signal, at least the buffer section 23 and the conveyor 49 are actuated on the delivery device 32 by the control unit 26 in such a way that the source container "S1.1" is transported away from the removal location 33 and the second source container "S1.2" preceded by the source container "S3.2". 2 "transported to the take-off point 33. The source container "S1.1" is transported away from the source container conveyor. The destination container T1 remains at the loading location 35 until the second source container "S1.2" is provided at the removal location 33.
As can be seen in FIG. 4b, the source container "S3.2" following the source container "S1.1" is discharged from the buffer section 23 to the escape buffer 21 via the conveying means 22 controlled by the control unit 26.
As can be seen in FIG. 4c, the source container "S1.2" is moved past the source container "S3.2" parked in the escape buffer 21 and transported to the removal location 33.
As can be seen in FIG. 4d, the source container "S1.2" is provided at the removal location 33 and it is possible to remove an article from the source container "S1.2" for the second order line (position 2) and deposit it in the destination container T1. After the last (manual or automatic) removal of an article from the source container "S1.2" or last delivery of an article in the destination container "T1" a control signal is triggered. With this control signal are at least the buffer section 23 and the conveyor 49 on the Andienungsvorrichtung 32 and the conveyor 50 on the Andienungsvorrichtung 34 and the conveyor 45 on the conveyor 40 and the conveyor 47 at the sorting place 42-4 and optionally the conveyor 31 of the conveyor 30 of the control unit 26 is controlled such that the source container "S1.2" transported from the picking place 33, the source container "S3.2" transported to the removal point 33, the previously processed target container "T1" transported from the loading point 35 and the target container still to be processed "T3" be transported to the loading point 35. The destination container "T1" can either be buffered in the sorting buffer 36 on one of the sorting locations 42-4, 42-5 or transported to the destination container conveyor.
As can further be seen, after the source container "S1.2" has been transported past the evasion buffer 21, the source container "S3.2" is introduced from the evasion buffer 21 onto the buffer line segment 23 via the conveying means 22 controlled by the control unit 26. Thereafter, the source container "S3.2" and this is the source container "S3.3" transported to the collection point 33.
As can be seen from what has been described, some of the source containers 5, for example the source containers "S1.1, S1.2, S3.2, S3.3", can be transported in a modified sequence to the loading site 33 and in this modified sequence sequentially at the picking location 33 are provided.
In the context of the invention, the evasion buffer 21 shown can also accommodate more than one source container 5, for example two, three or four source containers 5. In this case, the source containers 5 can be simultaneously or sequentially discharged from the buffer section 23 onto the evasion buffer 21 via the conveyor 22 are fed back from the escape buffer 21 to the buffer path section 23.
In the jointly described FIGS. 5a to 5c, a method for picking articles at a picking station 2 described above is shown, in which the removal of a target container 27 from the loading place 35 is controlled by a picking person. Such a procedural measure applies when the picking person visually determines that a destination bin 27 can not receive all the articles for an order line and an additional destination bin 27 is required to process the remaining quantity of the articles for said order line. Basically, the picking is also possible by means of robots, wherein a confirmation signal is triggered when it is determined by the robot or a camera system / a sensor that a target container 27 can not receive all the articles for a job line and an additional target container 27 is required to process the remaining quantity of the articles for said order line.
As shown in the embodiment, the source container "S1.1" for the first order line (position 1), the source container "S2.2" for the second order line (position 2), the source container "S3.2" for the second order line ( Position 2) and the source container "S4.2" for the second order line (position 2) transported in the buffer section section 23. In the sorting buffer 36, the destination containers "T3 to T6" may be buffered, with the destination containers "T5, T6" being placed on the sorting locations 42-1, 42-2 since no source containers 5 required for these orders have yet been transported into the buffer line section 23 were. Target containers "T3, T4" were moved from sorting locations 42-3, 42-4 to buffer locations 39-3, 39-2.
As can be seen in FIG. 5 a, the source container "S1.1" for the first order line (position 1) of a first order on the take-off place 33 and the destination container "T1.1" on the loading place 35 are provided. The first order line comprises several articles for a first order, which must be stored in several destination containers "T1.1, T1.2". At least one article for this first order line is stored in a first destination container "T1.1" and at least one article for this first order line in a second destination container "T1.2". However, the second destination container "T1.2" must be subordinate to the destination container "T2", since this has already been transported to the delivery device 34. Likewise, the source container "S2.2" has already been transported to the delivery device 32.
After the last removal of an article from the source container "S1.1" and placing this article in the first target container "T1.1", a control signal is triggered. With this control signal, the conveying means 49 on the delivery device 32 and the (fourth) conveying device 13 and the (sixth) conveying device and the conveying means 50 on the delivery device 34 and the conveying means 45 on the conveying device 40 and the conveying means 47 at the sorting place 42-4 and the conveying means 31 of the conveyor 30 are controlled by the control unit 26 in such a manner that the source container "S1.1" is removed from the unloading station 33, the source container "S2.2" is transported to the unloading station 33, the previously processed target container "T1.1" of the Beladeplatz transported 35 and the still to be processed target container "T2" are transported to the loading point 35.
In this case, as entered in FIG. 5 b, the source container "S1.1" is transported via the (fourth) conveying device 13 and the (sixth) conveying device 22, 25 from the unloading station 33 to the buffer section section 23 and transferred thereto. The target container "T1.1" picked for this order is transported to the destination container conveyor. The transport of the target container "T1.1" from the loading station 35 to the destination container conveyor takes place via the conveyor 45 of the second conveyor 40, the conveyor 47 at the sorting station 42-4 and the conveyor 31 of the conveyor 30. In addition, after the release of this Control signals by the picking the target container conveyor technology controlled by the control unit 26 such that an empty target container "T1.2" is requested and transported to the loading point 35 for further processing of the first order line to the first order.
If the source container "S2.2" for the second order line (position 2) of a second order on the take-off place 33 and the destination container "T2" provided on the loading point 35, so the second order line can be edited, therefore, the / the article from the Source container "S2.2" removed and stored in the destination container "T2".
After the last removal of an article from the source container "S2.2" and placing this article in the destination container "T2", a control signal is triggered. With this control signal, at least the buffer section 23, the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 are controlled by the control unit 26 in such a way that the source container "S2.2" is removed from the unloading station 33, the source container S1.1 Repeatedly transported from the buffer section section 23 to the unloading station 33, the previously processed target container "T2" is transported away from the loading station 35 and the target container "T1.2" still to be processed is transported to the loading station 35. The destination container "T2" is transported from the loading station 35 back into the sorting buffer 36 and to a sorting station 42-3 determined by the control unit 26, since a third order line (item 3) still has to be processed.
If the source container "S1.1" for the first order line (position 1) of a first order at the take-off point 33 and the destination container "T1.2" on the loading point 35 are provided, as shown in FIG. 5c, then the first order line (FIG. finished), therefore, the / the (remaining) items are taken from the source container "S1.1" and stored in the destination container "T1.2". The destination container "T1.2" picked for this order is transported either to the destination container conveyor or into the sorting buffer 36.
In the described embodiment, the destination containers "T1.1, T1.2" have been provided as empty destination containers 27. It is also possible that the first target container 27 already contains articles and therefore in this target container 27, the articles can not be accommodated to the first order line. For example, the article about the first order line is too big. In this case, the control signal is triggered after it has been determined that an article in the first target container 27 can not be stored. It does not necessarily require the removal of an article from the source container 5 to trigger a control signal.
In the jointly described FIGS. 6a to 6c, a method for picking articles at an order-picking station 2 described above is shown, in which a first loaded destination container 27 is determined by the control unit 26 based on a "load-specific" characteristic value (and without control intervention by a picking person) transported from the loading point 35 and a second empty target container 27 are transported to the loading point 35, since the first target container 27 can not accommodate all items for an order line and at least one additional destination container 27 is required to edit the remaining amount of the article for said order line ,
For this purpose, for each article of an order with one or more order lines, at least one item-specific characteristic value is for example electronically recorded on a computer and processed by the control unit 26. In particular, a dimension for each article, such as the weight and / or volume and / or geometric shape is detected as the article-specific characteristic value.
In a first step, the control unit 26 determines a job-specific characteristic value for each article based on the one or more order lines that are processed for a job and the article-specific characteristic values. In particular, a total volume or total weight of all articles for an order or a loading configuration (finishing pattern) for the articles in the target container 27 is determined as an order-specific characteristic value.
In a second step, the control unit 26 determines a load-specific characteristic value of at least one destination container 27, in which the articles for the said order are to be stored. In particular, as an order-specific characteristic value, an available loading volume or maximum loading weight or which articles can still be picked up in the target container due to their geometry shapes can not be recorded. In other words, it is also taken into account whether the target container 27 is empty or already partially filled. Thus, for example, an article with small dimensions can still be accommodated in the target container 27, while an article with large dimensions must be deposited in an additional target container 27.
In a third step, the control unit 26 determines the number of additionally required second target containers 27 for processing said order based on the order-specific characteristic value and load-specific characteristic value, if an article in the first target container 27 can not be stored. If no second target container 27 is required, then the number is zero.
According to this preliminary calculation by the control unit 26, the provision of the target containers 27 in the required number and the provision of the source containers 5 are coordinated.
As shown in the embodiment, the source container "S1.1" for the first order line (position 1), the source container "S5.2" for the second order line (position 2) and the source container "S3.3" for the third order line ( Position 3) transported in the buffer section section 23. In the sorting buffer 36, the destination containers "T2, T3, T5, T6" may be buffered, with the destination containers "T2, T6" being placed on the sorting locations 42-1, 42-2, since no source containers 5 have yet been required for these orders were transported to the buffer section 23. Target containers "T3, T5" were moved from sorting locations 42-3, 42-4 to buffer locations 39-3, 39-2.
As can be seen in FIG. 6a, the source container "S4.1" for the first order line (position 1) of a fourth order on the picking location 33 and the destination container "T4" on the loading place 35 are provided. Then, for the first order line (position 1), an article is taken from the source container "S4.1" and placed in the destination container "T4". After the last removal of an article from the source container "S4.1" and placing this article in the destination container "T4", a control signal is triggered and traversed in the manner described above. Therefore, the target bin "T4" is transported to the sort buffer 36 and the sort bin 42-3. The source container "S4.1" is transported to the source container conveyor. In addition, after the triggering of this control signal by the picking the target container conveyor technology is controlled by the control unit 26 so that an empty target container "T1.2" requested and the loading point 35 for further processing of an order line or multiple order lines to one or more orders transported.
As can be seen in FIG. 6b, the source container "S1.1" for the first order line (position 1) of a first order on the picking location 33 and the destination container "T1.1" on the loading location 35 are provided. The first order line comprises several articles for a first order, which must be stored in several target containers "T1". As not shown further, the first order may also include a second order line (position 2). As described above, in the pre-calculation by the control unit 26, the required number of target containers 27 are determined, and accordingly, the target containers 27 are sequentially provided on the loading site 35.
As shown, the first order includes a first order line (item 1) whose number of items can not be accommodated in a single destination container "TU".
For the time being, the articles for this first order line are taken from the source container "S1.1" and stored in the first destination container "T1.1".
After the last removal of an article from the source container "S1.1" and placing this article in the first target container "T1.1" is triggered by the control unit 26, a control signal. With this control signal, the conveying means 50 on the delivery device 34 and the conveying means 45 on the conveying device 40 and the conveying means 47 at the sorting station 42-4 and the conveying means 31 of the conveyor 30 are controlled by the control unit 26 such that the previously processed first target container "T1 .1 "removed from the loading point 35 and the additional second target container" T1.2 "are transported to the loading point 35. The target container "T1.1" picked for this order is transported to the destination container conveyor in the manner described above. The source container "S1.1" dwells at the loading location 35 until the second destination container "T1.2" is provided at the loading location 35.
As can be seen in FIG. 6c, the source container "S1.1" for the first order line (position 1) of the first order on the picking location 33 and the destination container "T1.2" on the loading location 35 are now provided.
Thereafter, an article from the source container "S1.1" is removed again for the first order line (position 1) and stored in the destination container "T1.2". After the last removal of an article from the source container "S1.1" and placing this article in the destination container "T1.2", a control signal is triggered and moved in the manner described above. Therefore, the destination container "T1.2" is transported to the sorting buffer 36 or to the destination container conveyor. The source container "S1.1" is transported to the source container conveyor.
In the mentioned exemplary embodiment, the first destination container "T1.1" for processing the first order line (position 1) is described. Therefore, the first target container "T1.1" has been provided as an empty target container "T1.1" from the target container conveyor. Otherwise, it is also possible that the first target container "T1.1" is transported from the sorting buffer 36 and to the loading point 35, since this already contains an article and can be additionally loaded with an article. In order to be able to process the order line or the order, an empty destination container 27 is then provided by the destination container conveyor as the second destination container 27.
In the jointly described FIGS. 7a to 7d, a method for picking articles at a picking station 2 described above is shown, in which the control unit 26 based on a "load-specific" characteristic (and without control intervention by a picking person) a first loaded target container 27th (Bypassing the loading point 35) transported away from the sorting buffer 36 and a second empty target container 27 are transported to the loading point 35 to process the remaining quantity of the articles for a job line or multiple order lines to a job.
For this purpose, the procedure described above is followed and the number of required destination containers 27 determined in advance by the control unit 26 and the provision of the destination containers 27 and source containers 5 coordinated.
As shown in the embodiment, as shown in FIG. 7a, the source container "S3.2" for the second order line (position 2), the source container "S1.2" for the second order line (position 2) and the source container "S5.2" for the second order line (position 2) transported in the buffer section section 23. In the sorting buffer 36, the destination containers "T1.1, T2, T5, T6" may be buffered, with the destination containers "T2, T6" being placed on the sorting locations 42-1, 42-2, as yet no source containers required for these orders 5 were transported to the buffer section 23. Target container "T5" has been moved from sorting location 42-3 to buffer space 39-3.
As described above, the control unit 26 evaluates the disordered order of the source containers 5 in the buffer section 23. Likewise, a load-specific characteristic value for the target container "T1.1" is determined by the control unit 26. After the order of the source containers 5 is "almost" arbitrary, the case may arise that a source container "S1.2" for processing the second order line is transported to the picking place 33, which contains an article that can no longer be stored in the target container "T1.1" due to its geometric dimension.In this case, it is provided that the target container "T1.1" not even is transported from the sorting buffer 36. If the destination container "T1.1" has previously been moved to one of the buffer locations 39-2, then this is moved from the buffer space 39-2 via the sorting location 42-4 to the destination container space. Conveyor technology transported.
It is triggered by the control unit 26, a control signal, after it has been determined that an article in the first target container "T1.1" can not be stored. With the control signal, at least the conveying means 47 of the third conveying device 43 and the conveying means 31 of the conveying device 30 are controlled by the control unit such that the first target container "T1.1", which can not be filled further, is transported away from the sorting buffer 36 to the target container conveying system, as in FIG Fig. 7b shown.
In addition, after the triggering of this control signal, the destination container conveyor technology can be controlled by the control unit 26 such that an empty destination container "T1.2" is requested and transported to the loading location 35 for further processing of an order line or several order lines to one or more orders. Meanwhile, the first order line (position 1) can be edited to a fourth order.
As can be seen in Fig. 7c, thereafter the target container "T3" on the loading place 35 and the source container "S3.2" on the take-off place 33 are provided in the manner described above. Previously, for the first order line (item 1), an article was taken from the source container "S4.1" and placed in the destination container "T4". The source container "S4.1" is transported to the source container conveyor and forwarded to the destination container "T1.1".
Finally, the empty target container "T1.2" on the loading place 35 and the source container "S1.2" on the unloading place 33 are provided in the manner described above, as shown in Fig. 7d. Thereafter, for the second order line (position 2), the at least one article is taken from the source container "S1.2" and placed in the destination container "T1.2". After the last removal of an article from the source container "S1.2" and placing this article in the destination container "T1.2", a control signal is triggered and proceeded in the manner described above. Therefore, the destination container "T1.2" is transported to the sorting buffer 36 or to the destination container conveyor. The source container "S1.2" is transported to the source container conveyor.
Hereinafter, a method for picking returned goods using the picking station 2 described above in FIGS. 1 and 2 will be described. The picking station (s) 2 and the order-picking system can be used either in a picking mode for picking articles from the source containers 5 into destination containers 27 or in a return mode for picking returned items from returned goods containers 53 into the source containers 5. Accordingly, the disclosure is to be transferred analogously to this embodiment.
For reasons of better understanding, the changed nomenclature is entered in FIG. In Retourniermodus the take-off place 33 as loading place 35 for providing the source container 5, the loading place 35 as take-off place 33 for providing the return goods container 53, the target container distribution system as returned goods container distribution system 4 'for transporting the filled-in retort container 53 to the take-off place 33 and Removal of emptied Retourwarenbehältern 53 used by the collection point 33. The re-distributing system includes a returned goods conveyor. The return conveyor system can, for example, be a first conveyor 29 'for transporting filled retort containers 53 to the relevant commissioning station (s) 2 and a second conveyor 30' for removing empty retort containers 53 from the relevant order picking station. on (en) 2. The returned goods container distribution system 4 ', in particular the first conveying device 29' for transporting filled returned goods containers 53, can also connect to the sorting buffer 36. The first conveying device 29 'may also be connected to the source container distribution system, in particular the fifth conveying device. In this case, returned goods containers 53 can also be received, for example, from warehouse 1 or from one to the source container.
Distribution system connected supply point 54 are transported. At the parking space 54, the returned goods are provided.
In the jointly described FIGS. 9a to 9f, a method for picking returned goods at a picking station 2 is described, in which backorder orders are processed.
In the embodiment shown, a provisioning station 54 is provided, which adjoins the returned goods container distribution system 4 'for transporting the filled returned goods containers 53. Return goods containers 53 are provided at the parking space 54. In this case, the returned goods may already have been stored in the returned goods containers 53 or the returned goods are stored there manually / automatically in the returned goods containers 53.
The returned goods container 53 is preferably divided by dividing walls into a plurality of receiving compartments and can accommodate different types of retouched goods, wherein a retouch type "A" can be received in the first receiving compartment and a retouch type "B" in the second receiving compartment. In principle, however, it is also conceivable that the types of retouched goods are contained as bulk goods in the returned goods container 53. At least some of the returned goods containers 53 thus each contain a multiplicity of different types of retouched goods.
At the provisioning station 54, the returned goods containers 53 to be processed and the returned goods, which are stored in the returned goods containers 53, are identified and depository orders are electronically recorded on a computer (not shown). The return orders are transmitted to the control unit 26 (FIG. 1) and are available as data records. The returned goods container 53 contains the return goods for several return orders. Each backorder order includes at least one returned item. The control system 26 determines from the existing source containers 5 in the warehouse 1 to which of these source containers 5 the returned goods can be assigned. The returned goods and the source container 5 are linked together at this point in terms of data technology.
Thereafter, the returned goods containers 53 are transported from the provisioning station 54 to the sorting buffer 36 and to one of the sorting stations 42.
The source containers 5 are, as described above, outsourced in a disorderly (chaotic) order from the warehouse 1 and conveyed in a disorderly (chaotic) order to the loading point 35. The order in which the source containers 5 are conveyed to the loading place 35 may deviate from the order in which the source containers 5 are outsourced from the store 1. Preferably, the source containers 5 each store a single item type. Although the source containers 5 are fed to the loading site 35 in a disordered order, this order is detected at the ordering destination 52 (FIG. 1). The returned goods containers 53 are sorted in and through the sorting buffer 36 in an order determined by the order of the source containers 5.
In Fig. 9a is the source container "S1" for the returned goods "R1" on the loading point 35 and the returned goods container "R1,2" on the sampling place 33. It is the returned goods "R1" removed from the retouch container "R1,2" and stored in the source container "S1".
If picking by a picking person, so an input and output system 51 is provided with an acknowledgment button and a display. The display comprises a display field by means of which a numerical or alphanumeric (visual) output of order-picking instructions can take place. For example, the picking person is signaled on the display, which returned goods from the returned goods container "R1,2" to remove and store in the source container 5. In the example shown, the returned goods "R1" can be seen. After the last removal of an article from the returned goods container "R1, 2" or after the last delivery of a returned good in the source container "S1", a control signal is triggered, if the picking person actuates the acknowledgment button on the input and / or output system 51.
After the last (manual or automatic) removal of an article from the retort container "R1, 2" a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 on the conveying device 40 are controlled by the control unit 26 such that the source container "S1" is transported away from the loading station 35, the source container "S3" transported to the loading point 35, the previously processed returned goods container "R1,2" removed from the take-off point 33 and the still to be processed return goods container "R 3, 4" are transported to the unloading space 33.
In addition, it can be seen that the returned goods container "R7, 8" has already been moved from one of the sorting locations 42-2 to one of the buffer locations 39-4, after at least one of the return containers associated with these returned goods "S7, S8" for depositing a returned item (to a deposit order) has been transported into the buffer section section 23. In contrast, the returned goods containers "R9, 10, R11" on the sorting locations 42-1, 42-3 are temporarily buffered, at least until the source containers "S9, S10, S11" associated with these returned goods store the buffer section section for depositing the returned goods (to a depository order) 23 is promoted. Within the scope of the invention, it is also possible for some of the returned goods containers, for example the returned goods container "R11", to contain only one returned goods type. However, the other of the returned goods containers, for example the returned goods containers "R1, 2 to R9, 10" contain different return goods types, which substantially increases the efficiency of the picking system for order picking of returned goods.
As can be seen in FIG. 9b, the previously processed returned goods container "R1, 2" is transported from the picking station 33 back into the sorting buffer 36 and to a sorting station 42-4 determined by the control unit 26, since the returned goods "R2" are still contained in the returned goods container is. The source container "S1" is transported on the source container conveyor from Beladeplatz 35 and stored in the warehouse 1 back. The source container "S1" now contains the stock items and the returned goods.
If the source container "S3" is provided on the loading place 35 and the returned goods container "R3, 4" on the removal place 33, the returned goods "R3" can be removed from the return goods container "R3, 4" and stored in the source container "S3". After the (manual or automatic) removal of the returned good (s) from the returned goods container "R3, 4", a control signal is triggered. With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 such that the source container "S3" is transported away from the loading station 35 , the source container "S6" transported to the loading point 35, the previously processed returned goods container "R3, 4" transported from the picking place 33, the still to be processed returned goods container "R5, 6" transported to the picking place 33. The source container "S3" is transported away via the source container conveyor. The previously processed returned goods container "R3, 4" is transported from the unloading station 33 back into the sorting buffer 36 and to a sorting station 42-2 determined by the control unit 26, since the returned goods "R4" are still contained in the returned goods container. The returned goods container "R7, 8" is transported via the conveyor 44 from the buffer space 39-4 to the buffer space 39-3.
As also entered in this figure, a return goods container "R12" is provided at the place of supply 54 and is supplied to the returned goods container distribution system 4 '. This returned container "R12" is transported from the returned goods container distribution system 4 'to the sorting buffer 36, as described below.
As can be seen in FIG. 9c, the returned goods container "R2" can be moved directly from the sorting station 42-4 to one of the buffer locations 39-2 determined by the control unit 26 and then to the delivery device 34 after the source container "S2" has already been moved into the Buffer line section 23 has been transported. The return goods container "R2" is transported from one of the sorting stations 42-4 to one of the buffer stations 39-2 by means of the conveying means 46, 47 of one of the third conveying devices 43. The conveying means 46, 47 are actuated by the control unit 26. The returned goods container "R2" is past the in the sorting buffer 36 on the sorting stations 42-1 to 42-2 temporarily buffered Retourwarenbe containers "R9, 10, R4" passed. Thus, a sorting process is performed by the sorting buffer 36 via the sorting locations 42-1 to 42-5. In the meantime, the source container "S11" has been transported to the buffer section 23. Thus, also the returned goods container "R11" can be moved via the conveying means 46 of one of the third conveying devices 43 from one of the sorting places 42-2 to one of the buffer places 39-4. The returned goods container "R7, 8" is transported via the conveyor 44 from the buffer space 39-3 to the buffer space 39-2.
If the source container "S6" is provided on the loading place 35 and the returned goods container "R5, 6" on the take-off location 33, the returned goods "R6" can be taken from the return goods container "R5, 6" and stored in the source container "S6". After the (manual or automatic) removal of the returned good (s) from the returned goods container "R5, 6", a control signal is triggered. Thus, described above, the source container "S6" transported from Beladeplatz 35, the source container "S2" transported to the loading point 35, the previously processed returned goods container "R5, 6" transported from the unloading space 33, the still to be processed returned goods container "R2" be transported to the picking place 33. The source container "S6" is transported away via the source container conveyor. The previously processed returned goods container "R5, 6" is transported from the unloading station 33 back into the sorting buffer 36 and to a sorting station 42-2 determined by the control unit 26, since the returned goods "R5" are still contained in the returned goods container.
As can be seen in FIG. 9d, the source container "S2" for the returned item "R2" is located at the loading location 35 and the returned item container "R2" at the removal location 33. The returned item "R2" is taken from the returned item container "R2" and stored in the source container "S2". After the (manual or automatic) removal of the last returned goods from the returned goods container "R2" a control signal is triggered.
With this control signal, at least the buffer stretch section 23 and the conveying means 49 on the delivery device 32 and the conveying means 50 on the delivery device 34 and the conveying means 45 of the conveying device 40 are controlled by the control unit 26 in such a way that the source container "S2" is transported away from the loading station 35 Source container "S8" transported to the loading point 35, the previously processed (empty) Retourwarenbehälter "R2" transported from the take-off point 35, the still to be processed return container "R7, 8" are transported to the take-off place 35. The source container "S2" is transported away via the source container conveyor. The return goods container "R2", which has been completely emptied for this return order, is transported to the returned goods container conveyor system. The transport of the returned goods container "R2" from the unloading station 33 to the returned goods container conveyor takes place via the conveyor 45 of the second conveyor 40, the conveyor 47 at the sorting station 42-4 and the conveyor 31 of the conveyor 30, as shown in Fig.9e. Preferably, the source container conveyor is also used as a returned goods container conveyor and the returned goods container "R2" before or after the source container "S6" discharged from the conveyor 30 to the conveyor 13, as entered in Fig. 9e. The empty returned goods container "R2" is transported to an empty container collection station (not shown), so that it can later be used again as a returned goods container 53.
As can be seen in FIG. 9f, the returned goods container with the returned goods "R12" is transported by the optional conveying device 29 'to the sorting buffer 36. Thereafter, the returned goods container "R12" is transferred to the sorting buffer 36, wherein the control unit 26 controls the conveyor means 47 for the buffer space 39-1 and the conveyor means 47 for the sorting station 42-5 such that the returned goods container "R12" from the conveyor 29 '. is transported to the sorting station 42-5. Thereafter, the returned goods container "R12" can be transported via the conveyor 45 to a free sorting station 42-1 to 42-5, for example the sorting station 42-1, determined by the control unit 26.
In principle, it would also be conceivable for the returned goods container "R12" to be transported directly from the conveyor device 29 'to the removal station 33.
This may be the case when a first returned goods container 53 is to be processed from a number of returned goods containers 53, it being ensured that the source container 5 associated with this returned goods container 53 can also be provided.
In this way, the backorder orders are processed one after the other.
On the basis of this embodiment, it will be seen that a first returned goods container 53 is transported back to the sorting buffer 36 after processing a return goods to a first deposit back order and temporarily buffered on a first sorting station 42 until a source container 5 for depositing a Return goods to a second return order in a provided upstream of the loading point 35 buffer section 23 is promoted. Said first returned goods container 53 can be moved from the first sorting station 42 to one of the buffer locations 39 and then to the unloading station 33, after the source container 5 has been transported to buffer section section 23 for depositing a returned product for a second return order.
In this case, after a first procedure, for example, the returned goods container "R2" is moved immediately after it has been transported to the buffer space 39 to the unloading station 33 (see, for example, FIGS. 9b to 9d). According to a second procedure, for example, the returned goods container "R11" in the order of the return goods container "R2 ... R11" on the buffer stations 39 another retoured container "R4" lined and the aforementioned returned goods container "R4" only after the prefixed returned goods container "R11" the removal point 33 moves (see, for example, Fig. 9c and 9d). In the operation of the sorting buffer 36, both procedures usually occur.
On the other hand, it can also be seen from this exemplary embodiment that a second returned goods container 53 for processing return warehouse orders after depositing a returned good is transported back to the sorting buffer 36 and via a second sorting station 42 to one of the buffer locations 39 and then to the unloading station 33 is moved, if a source container 5 for depositing a returned goods to a second Rücklagerauf contract has already been transported in the provided upstream of the take-off point 35 buffer section section 23.
The returned goods containers 53 are transported by the sorting buffer 36 in the sorted sequence and consecutively to the unloading station 33, the transport of the source containers 5 from the warehouse 1 to the loading location 33 and the transport of the returned goods containers 53 from the sorting buffer 36 to the unloading station 33 being coordinated with one another a source container 5 and a returned goods container 53 arrive at an order at about the same time at the loading point 35 and unloading point 33.
It should be mentioned at this point that also in this embodiment as described above, for performance reasons, the order of at least some source container 5 can be modified. The control unit 26 is set up to evaluate the order of the source containers 5 required for processing different deposit orders and transported on the buffer line section 23, and to determine a modified order in which the source containers are to be transported to the take-off place. The source containers 5 are then transported in the modified order to the loading place 35.
The embodiments show possible embodiments of a picking system and a method for picking articles / returned goods, it being noted at this point that the invention is not limited to the specifically illustrated embodiments of the same or the same, but rather also various combinations of the individual embodiments with each other possible and this possibility of variation is due to the doctrine of technical action by objective invention in the skill of those skilled in this technical field. So are all conceivable embodiments, which are possible by combinations of individual details of the illustrated and described embodiment variant, includes the scope of protection.
For the sake of order, it should finally be pointed out that, for a better understanding of the structure of the order-picking station or order-picking system, this or its components have been shown partly unevenly and / or enlarged and / or reduced in size.
REFERENCE SIGNS LIST 1 Stock 2 Picking station 3 Source container distribution system 4 Target container distribution system 5 Source container 6 Storage rack 7 Regalle 8 Storage space 9 Storage and retrieval device 10 Conveying device 11 Conveying device 12 Conveying device 13 Conveying device 14 Conveying device 15 Infeed and / or outfeed device 16 Transfer device 17 Guideway 18 Transporting device 19 Buffering device 20 Lifting device 21 Dodge buffers 22 Dumpers 23 Buffer path section 24 Turning station 25 Conveying means 26 Control unit 27 Target container 28 Goods exit 29 Conveying device 30 Conveying device 31 Conveyor 32 Delivery device Source container 33 Collection point 34 Delivery device Target container 35 Loading station 36 Sorting buffer 37 Conveyor 39 Buffering 40 Conveying device 42 Sorting station 43 Conveyor 44 Conveying device 45 Conveyor 46 Conveyor 47 conveying means 48 conveying means 49 conveying means 50 conveying means 51 Input and / or output system 52 Order destination point 53 Returned goods container 54 Provision space

权利要求:
Claims (30)
[1]
claims
A method for picking articles at a picking station (2), comprising the steps of recording orders with one or more order lines, each order line specifying at least one article according to its article type and ordered quantity, outsourcing of source containers (5) a warehouse (1) and transport of the source container (5) from the warehouse (1) to the picking station (2) with a single unloading point (33), detecting a sequence of the source container (5), in which at least some of the source container (5) to the take-off place (33), sequentially providing the source containers (5) at the picking location (33), providing destination containers (27) for each order with one or more order lines in a sorting buffer (36) having a plurality of buffer locations (39) in front of one single loading place (35), sorting the destination containers (27) through the sorting buffer (36) in an order that depends from the order in which the source containers (5) are provided on the picking place (33), transporting the destination containers (27) from the sorting buffer (36) in the sorted order and consecutively to the loading place (35), the transporting of the source containers (5) from the warehouse (1) to the unloading station (33) and the transport of the destination container (27) from the sorting buffer (36) to the loading point (35) are coordinated so that a source container (5) and a destination container (27) to a Order to arrive at about the same time at the unloading place (33) and loading place (36), taking out an article from the source container (5) provided on the unloading place (33) and depositing this article in the destination container (27), which is placed on the Loading station (35) is provided, according to an order, return transport of a target container (27) from the loading point (35) in the sorting buffer (36), if the this target container (27) associated job nor a unworked tete order line contains, characterized in that a first target container (27) for processing different order lines to at least one order after depositing an article to a first order line transported back into the sorting buffer (36) and on a first sorting station (42) at least as long is buffered temporarily until a source container (5) with an article to a second order line in a provided upstream of the take-off (33) buffer section (23) is conveyed, and said first target container (27) from the first sorting station (42) to one of the buffer locations (39) and then moved to the loading site (35) after the source container (5) has been transported to the second line of the buffer line (23) with an article, and a second destination container (27) for processing different order lines at least one order after placing an article at a first n order line is transported back into the sorting buffer (36) and a second sorting station (42) on one of the buffer locations (39) and then moved to the loading point (35), if a source container (5) with an article to a second order line already in a buffer section (23) provided upstream of the picking station (33).
[2]
2. The method according to claim 1, characterized by the steps of outsourcing the source container (5) from the warehouse (1) by means of a source container distribution system (3) with at least one storage and retrieval device (9) and a source container conveyor between the bearing (1) and the picking station (2), wherein the source container conveyor at least the buffer section (23) for transporting the source container (5) to the removal point (33), transport the source container (5) on the source container conveyor of the at least one storage control unit (9 ) to the unloading place (33) in an unordered (chaotic) order, and determining the disordered (chaotic) order of the source containers (5) needed for processing different order lines to at least one order, at an order designation point (52) along which the transport path between the at least one storage and retrieval device (9) and the removal point (33).
[3]
3. The method according to claim 1 or 2, characterized by the steps of determining a modified sequence of the source container (5) in which the source containers (5) are to be transported to the unloading place (33), changing the order of the source container (5) in the modified Sequence by discharging at least one preceding source container (5) from the buffer section (23) to an evasion buffer (21) to at least one successive source container (5) at the at least one source container (5) in the evasion buffer (21) by returning the at least one source container (5) from the escape buffer (21) to the buffer line section (23) to deliver the at least one source container (5) from the escape buffer (21) to the at least one source container (5) on the buffer section section (Fig. 23) sequential provision of at least some of the source containers (5) at the take-off location (33) in the modified order.
[4]
4. The method according to claim 1 or 2, characterized by the steps of providing a first source container (5) on the loading site (35) for sequentially processing at least a first order line with a plurality of articles to a first order, removing an article from the first source container (5 ) provided at the picking place (33) and depositing this article into a first target bin (27) provided on the loading yard (35) according to the first order, if these articles are put down in the first target bin (27) can, triggering a control signal after the last removal of an article from the first source container (5) or after it has been determined that an article in the first target container (27) can not be stored, with which - between the take-off place (33) and the buffer stretch section (23) arranged conveying device (22, 25) of a source container distribution system (3) by a control unit (26 ) is controlled in such a way that the first source container (5) is conveyed from the unloading station (33) to the buffer section section (23), and - the buffer section section (23) and a conveying device (49) on the unloading station (33) are detected by the control unit (26) is controlled such that a second source container (5) is transported to the unloading station (33) for processing one or more order lines to a second order, - a conveyor (50) on the loading station (35) and a conveying means (31) of a target container Distribution system (4) by the control unit (26) is controlled such that the first target container (27) transported away from the loading point (35) and a second target container (27) to the loading point (35) is transported, providing the second source container ( 5) on the removal station (33) for processing at least one or more order lines to the second order, removing an article from the second source container (5), which on the Entnahm Place this article in a second target container (27), which is provided on the loading place (35), according to the second order, transfer of the first source container (5) from the conveyor (22, 25) the buffer line section (23), transporting the first source bin (5) from the buffer path section to the picking place (33), repeatedly providing the first source bin (5) at the picking place (33) to pick the remaining articles of the first order line, taking out one Article from the first source container (5), which is provided on the unloading place (33), and depositing the article in a second destination container (27), which is provided on the loading place (35), according to the first order.
[5]
5. The method according to claim 4, characterized by the steps of providing a destination container distribution system (4) with the sorting buffer (36) and a destination container conveyor for transporting empty destination containers (27), bypassing the sorting buffer (36) to the loading station (35 ), Identifying an empty destination container (27) and assignment to a detected order, requesting and transporting the empty destination container (27) to the loading station (35), after the triggering of a control signal after the last removal of an article from the first source container (5) with which the target container conveyor technology is controlled by the control unit (26) such that the empty target container (27) is transported to the loading station (36) for processing the at least one first order line to the first order.
[6]
6. The method of claim 1 or 2, characterized by the steps detecting at least one article-specific characteristic value for each article of an order with one or more order lines, wherein the article-specific characteristic value is selected from the group comprising dimension, weight, volume and / or geometric shape, Determining a job-specific characteristic value based on the one or more order lines that are processed for a job, and the article-specific characteristic values for each article, determining a load-specific characteristic of at least one first destination container (27) in which the articles are stored for said order to be determined, determination of the number of additionally required second destination containers (27) for processing the said order based on the order-specific characteristic value and load-specific characteristic value, if an article in the first destination container (27) can not be stored, provide at least one first source container (5) on the unloading station (33) for processing at least one first order line to the order, providing the first destination container (27) on the loading station (35) for processing one or more order lines to the order, removing an article at least from the first source container (5) and placing this article in the first target container (27) according to the order, triggering a control signal after the delivery of an article as the last article for the first target container (27), with which a conveying means (50) on the Loading station (35) is controlled by the control unit (26) such that the finished first target container (27) transported from the loading station (35) and a second target container (27) is transported to the loading station (35), providing at least the second target container ( 27) on the loading station (35) for processing at least one order line to the order, removing an article from de m first source container (5) and placing this article in the second target container (27) according to the order.
[7]
7. The method according to claim 6, characterized by the steps of providing a target container distribution system (4) with the sorting buffer (36) and a destination container conveyor with a conveyor (29) for transporting empty target containers (27), bypassing the sorting buffer (36 ) to the loading station (35), identifying an empty destination container (27) and assigning it to a detected order, requesting and transporting the empty destination container (27) to the loading station (35) after the triggering of a control signal after delivery of an article as the last item for the first target container (27), with which the conveyor device (29) is controlled by the control unit (26) such that the empty target container (27) is transported to the loading station (35) for processing the at least one order line to the order.
[8]
8. The method of claim 1 or 2, characterized by the steps of detecting at least one article-specific characteristic value for each article of an order with one or more order lines, wherein the article-specific characteristic value is selected from the group comprising dimension, weight, volume and / or geometric shape, Determining a job-specific characteristic value based on the one or more order lines that are processed for a job, and the article-specific characteristic values for each article, determining a load-specific characteristic of at least one first destination container (27) in which the articles are stored for said order to be determined, determination of the number of additionally required second target containers (27) for processing the said order based on the order-specific characteristic value and load-specific characteristic value, if an article in the first target container (27) can not be stored, triggering a It is control signals after it has been determined that an article in the first destination container (27) can not be stored, with which at least one conveying means (47) in the sorting buffer (36) is controlled by the control unit (26) such that the first destination container which can not be filled further (27) from the sorting buffer (36) to a destination container conveyor for transporting the first target container (27) is transported, providing at least a first source container (5) on the unloading point (33) for processing at least a first order line to the order, providing the second target container (27) on the loading station (35) for processing one or more order lines to the order, removing an article at least from the first source container (5) and placing this article in the second target container (27) according to the order.
[9]
9. The method according to claim 8, characterized by the steps of providing a target container distribution system (4) with the sorting buffer (36) and a destination container conveyor with a conveyor (29) for transporting empty target containers (27) bypassing the sorting buffer (36 ) to the loading station (35), identifying an empty destination container (27) and assigning it to a detected order, requesting and transporting the empty destination container (27) to the loading station (36) after the triggering of a control signal after determining that an item is in the first destination container (27) can not be stored, with which the conveyor device (29) is controlled by the control unit (26) such that the empty target container (27) to the loading station (35) for processing the at least one order line transported to the order becomes.
[10]
10. The method of claim 1 or 2, characterized by the steps of providing a target container distribution system (4) with the sorting buffer (36) and a destination container conveyor with a conveyor (29) for transporting empty target containers (27) either in the sorting buffer (36) or bypassing the sorting buffer (36) to the loading point (35), evaluation of the order of the source container (5) in the buffer section section (23), which are required for processing order lines to different orders, evaluation of the sorting buffer (36 ) existing target container (27), triggering a control signal after it has been found that in the buffer section section (23) a source container (5) for processing one or more order lines is promoted to a job and in addition to the target containers (27) in the sorting buffer (36) a destination container (27) must be requested, identifying the empty destination container (27) and assignments To the order, Transport of the empty target container (27) either to the sorting buffer (36) or to the loading station (35) after triggering a control signal with which the conveyor device (29) is controlled by the control unit (26) such that the empty destination container (27) is transported either to the sorting buffer (36) or to the loading station (35) for processing the at least one order line to the order.
[11]
11. Order picking station (2) for picking articles which is connected to a source container distribution system (3) and a destination container distribution system (4), with a delivery device (32) for providing a source container (5) at a single collection point (33 ), A delivery device (34) for providing a destination container (27) on a single loading bay (35), and a sorting buffer (36) adapted to provide target containers (27) sorted in an order, and a plurality of buffer locations (39 ) in front of the single loading point (35) on which target containers (27) are provided for orders each with one or more order lines, characterized in that the sorting buffer (36) on a first conveyor (37) in a discharge direction successively arranged buffer locations ( 39) and on a second conveying device (40) in a return direction successively arranged sorting stations (42 ) and the sorting stations (42) with the buffer stations (39) conveyorally connecting third conveyor devices (43), and that the Andienungsvorrichtung (34) with the single loading station (36) on a fourth conveyor (48) is formed, wherein the first conveyor (37) and the second conveyor (40) via the fourth conveyor (48) are interconnected to promote the target container (27) for processing different order lines to at least one order from the sorting buffer (36) to the loading station (35) and from The first conveyor device (37) at least one conveying means (44) for transporting the destination containers (27) and the second conveyor device (40) at least one conveying means (45) for transporting the destination containers (27), and wherein the buffer stations (39) and the sorting stations (42) conveying means (46, 47) for transporting the target container (27) z and a control unit (26) selectively activates the conveying means (44, 45, 46, 47) so that the target containers (27) in the sorting buffer (36) are sorted in an order which depends on the order in which Source container (5) are provided on the unloading place (33), and that a source container (5) and a destination container (27) to an order arrive at about the same time at the unloading place (33) and loading place (35).
[12]
12. picking station according to claim 11, characterized in that the source container distribution system (3) to the buffer section section (23) adjoining Ausweichpuffer (21) having a conveying means (22) and the control unit (26) is arranged, the order of the source container (5), which are required for processing of different order lines for at least one order, to evaluate and to determine a modified order in which the source containers (5) are to be transported to the collection point (33), and the control unit (26) the funding (22) for ejecting at least one preceding source container (5) from the buffer path section (23) to the escape buffer (21) to connect at least one successive source container (5) to the source container (5) in the escape buffer (5). 21), and then the at least one source container (5) from the escape buffer (21) on the Pu infiltrate section (23).
[13]
13. picking station according to claim 11, characterized in that the source container distribution system (3) to the buffer section section (23) subsequent conveyor with a conveyor (25) and the control unit (26) is arranged, a control signal after the last removal of a Article from the source container (5), and the control unit (26) controls the conveying means (25) based on the control signal to move the first source container (5) to the buffer section section after removal of the at least one article from the unloading station (33). 23).
[14]
14. picking station according to claim 11, characterized in that the destination container distribution system (4) a destination container conveyor for transporting empty or partially picked destination containers (27) to the loading point (35) and for transporting loaded destination containers (27) from the loading point (35 ), wherein the target container conveyor system for transporting laden destination containers (27) from the loading station (35) and the source container conveyor for removing source containers (5) from the unloading station (33) via a conveyor (30) with a conveyor (31) connected to each other, and the control unit (26) controls the conveying means (31) to discharge the target containers (27) from the target container distribution system (4) to the source container distribution system (3).
[15]
15. picking station according to claim 11 or 14, characterized in that the destination container distribution system (4) a destination container conveyor for transporting empty or partially picked destination containers (27) to the loading point (35) and for transporting loaded destination containers (27) from the loading point (35), wherein the destination container conveyor system for transporting empty or teilkommissionierten destination containers (27) to the loading point (35) to the delivery device (34) with the loading station (35) and the target container conveyor for transporting loaded destination containers (27 ) connects from the loading point (35) to the delivery device (34) with the loading point (35).
[16]
16. picking station according to claim 11 or 14, characterized in that the destination container distribution system (4) a destination container conveyor for transporting empty or partially picked destination containers (27) to the loading point (35) and for transporting loaded destination containers (27) from the loading point (35), wherein the destination container conveyor system for transporting empty or teilkommissionierten destination containers (27) to the loading station (35) to the first conveyor (37) or second conveyor (40) of the sorting buffer (36) connects and the target container conveyor to Removal of loaded destination containers (27) from the loading station (35) to the paging device (34) with the loading station (35) connects.
[17]
17. picking station according to claim 11, characterized in that the discharge direction of the first conveying device (37) and the return direction of the second conveying device (40) extend in opposite directions.
[18]
18. picking station according to claim 11, characterized in that the sorting buffer (36) has a maximum of 20 sorting locations (42) and a maximum of 20 buffer locations (39).
[19]
19. A method for picking returned goods at a picking station (2), comprising the steps of providing returned goods containers (53) with returned goods, wherein some of the returned goods containers (53) each contain different returned goods (mixed goods), detection (identification) of the returned goods containers (53) and returned goods stored in the returned goods containers (53), detecting return orders for the returned goods, transporting the returned goods containers (53) to a sorting buffer (36) having a plurality of buffer locations (39) in front of a picking place (33), providing at least some Retoured goods container (53) to return orders in the sorting buffer (36), outsourcing of source containers (5) from a warehouse (1) and transport of the source container (5) from the warehouse (1) to the picking station (2) with a loading station (35), in which the return goods are to be stored, detecting an order of the source containers (5) in which at least some of the Sequential supply of the source container (5) on the loading place (35), sorting the returned goods container (53) by the sorting buffer (36) in an order depending on the order in which the Source container (5) are provided on the loading place (35), transporting the returned goods container (53) from the sorting buffer (36) in the sorted order and successively to the take-off place (33), wherein the transport of the source container (5) from the warehouse ( 1) to the loading point (35) and the transport of the returned goods container (53) from the sorting buffer (36) to the unloading station (33) are coordinated so that a source container (5) and a returned goods container (53) to a deposit order approximately arrive at the loading point (35) and unloading point (33) at the same time, remove a returned good from the returned goods container (53) which is provided on the unloading station (33), and the like and storing said returned goods in the source container (5) which is provided on the loading station (35) in accordance with a return order, returning a returned goods container (53) from the unloading station (33) to the sorting buffer (36), if the returned goods container (53) is still contains a returned goods, characterized in that a first returned goods container (53) for processing deposit orders after depositing a returned goods to a first deposit order back into the sorting buffer (36) transported and temporarily buffered on a first sorting station (42) at least until a source container (5) for depositing a returned product to a second deposit order in a provided upstream of the loading point (35) buffer section (23) is conveyed, and said first returned goods container (53) from the first sorting station (42) on one of the buffer locations (39) and can then be moved to the sampling place (33) after the Quellbehä and a second returned goods container (53) for processing return orders after depositing a returned good to a first deposit order is transported back into the sorting buffer (36) and transported to the second depository bin (23) via a second sorting station (42) to one of the buffer locations (39) and then to the unloading station (33) is moved, if a source container (5) for depositing a returned goods to a second depository order already in the buffer section provided upstream of the loading point (35) (23) was transported.
[20]
20. The method according to claim 19, characterized by the steps of outsourcing the source container (5) from the warehouse (1) by means of a source container distribution system with at least one storage and retrieval device (9) and a source container conveyor (3) between the bearing (1) and the picking station (2), wherein the source container conveyor (3) at least the buffer section (23) for transporting the source container (5) to the loading point (35), transporting the source container (5) on the source container conveyor of the at least one Storage operator (9) to the loading place (35) in an unordered (chaotic) order, and determination of the disordered (chaotic) order of the source container (5), which are required for the processing of different deposit orders, at an order determination point (52) which along the Transport path between the at least one storage and retrieval device (9) and the loading point (35).
[21]
21. The method according to claim 19 or 20, characterized by the steps of determining a modified order of the source container (5) in which the source containers are to be transported to the loading point (35), changing the order of the source container (5) in the modified order by discharging at least one preceding source container (5) from the buffer section (23) to an escape buffer (21) to advance at least one sequential source container (5) to the at least one source container (5) in the escape buffer (21); and by returning the at least one source container (5) from the escape buffer (21) to the buffer path section (23) to move the at least one source container (5) out of the escape buffer (21) to the at least one source container (5) on the buffer path section (23). sequential provision of at least some of the source containers (5) on the loading site (35) in the modified order.
[22]
22. Method according to claim 19, characterized by the steps of transporting the at least some returned goods containers (53) from a provisioning station (54) via a returned goods container conveying system (4 ') to the sorting buffer (36), transferring the at least some returned goods containers (53) into the Sorting buffer (36), transporting the returned goods container (53) from the sorting buffer (36) in the sorted order and successively to the unloading station (33).
[23]
23. The method according to claim 19, characterized by the steps of transporting the at least some returned goods containers (53) from a provisioning station (54) via a returned goods container conveyor (4 '), bypassing the sorting buffer (36) to the unloading station (33).
[24]
24. Order picking station (2) for picking returned goods, which is connected to a source container distribution system (3) and a returned goods distribution system (4 '), with a delivery device (32) for providing a source container (5) on a loading site (35 ), Delivery means (34) for providing a returned goods container (53) on a take - off place (33) and a sorting buffer (36) arranged to provide returned goods containers (53) sorted in an order, and a plurality of buffer places (39) in front of the Removal station (33), on which returned goods container (53) are provided for storage orders, characterized in that the sorting buffer (36) on a first conveyor (37) in a discharge direction successively arranged buffer locations (39) and on a second conveyor (40) in a return direction successively arranged sorting stations (42) and the sorting stations (42) with the P Buffer stations (39) connecting third conveyor devices (43), and that the Andienungsvorrichtung (34) with the single unloading point (33) on a fourth conveyor (48) is formed, wherein the first conveyor (37) and the second conveyor (40) connected to each other via the fourth conveyor (48) for conveying the returned goods containers (53) for processing return orders from the sorting buffer (36) to the unloading station (33) and for discharging them from the unloading station (33) to the sorting buffers (36); at least one conveying device (44) for transporting the returned goods containers (53) and the second conveying device (40) have at least one conveying means (45) for transporting the returned goods containers (53), the buffer stations (39) and the sorting stations ( 42) conveying means (46, 47) for transporting the returned goods container (53) are associated, and a control unit (26) the conveying means (44 , 45, 46, 47) optionally and in such a way that the returned goods containers (53) in the sorting buffer (36) are sorted into an order which is provided depending on the order in which the source containers (5) are provided on the loading station (35), is determined, and that a source container (5) and a returned goods container (53) arrive at an order about the same time at the loading place (35) and unloading place (33).
[25]
25. Picking station according to claim 24, characterized in that the source container distribution system (3) to the buffer section section (23) subsequent Ausweichpuffer (21) having a conveyor (22) and the control unit (26) is arranged, the order of the source container (5), which are required for the processing of depository orders to evaluate and a modified order in which the source containers (5) are to be transported to the loading place (35), and the control unit (26) controls the conveyor (22), for discharging at least one source container (5) in sequence from the buffer section (23) to the escape buffer (21) to move past at least one sequential source container (5) past the source container (5) in the escape buffer (21); then to introduce the at least one source container (5) from the escape buffer (21) onto the buffer path section (23) ,
[26]
26. Picking station according to claim 24, characterized in that the source container distribution system (3) to the buffer section section (23) subsequent conveyor with a conveyor (25) and the control unit (26) is arranged, a control signal after the last acquisition of a Return goods in the source container (5) to process, and the control unit (26) based on the control signal, the conveying means (25) to the source container (5) after taking over the returned goods from the loading point (35) on the buffer section section (23) promote.
[27]
27. Picking station according to claim 24, characterized in that the returned goods container distribution system (4 ') has a provisioning station for providing the filled returned goods container (53) and a returned goods container conveying system for transporting the filled returned goods container (53) to the sorting buffer (36) and for removal emptied Retourwarenbehältern (53) from the unloading point (33), wherein the Retourwarenbehälter conveyor for transporting emptied Retourwarenbehältern (53) from the unloading station (33) and the source container conveyor for transporting source containers (5) from the loading point (35) via a Conveying device (30 ') with a conveying means (31) are interconnected, and the control unit (26) the conveying means (31) controls to the return goods container (53) from the returned goods container distribution system (4') on the source container distribution system (3) auszuschleusen.
[28]
28 picking station according to claim 24, characterized in that the returned goods container distribution system (4 ') has a provisioning station for providing the filled returned goods container (53) and a returned goods container conveyor for transporting the filled returned goods container (53) to the removal point (33) and for transport of unloaded returned goods containers (53) from the picking station (33), the returned goods container conveying system for transporting the filled returned goods containers (53) to the picking station (33) to the sorting buffer (36) or to the delivery device (34) to the picking station (33). connects and the returned goods container conveyor for removal of emptied Retourwarenbehältern (53) from the unloading station (33) to the delivery device (34) with the removal station (33) connects.
[29]
29. Picking station according to claim 24, characterized in that the dispensing direction of the first conveying device (37) and the return direction of the second conveying device (40) run in opposite directions.
[30]
30 picking station according to claim 24, characterized in that the sorting buffer (36) has a maximum of 20 sorting stations (42) and a maximum of 20 buffer locations (39).

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同族专利:

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公开号 | 公开日

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WO2018006112A1|2018-01-11|

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CN109689536B|2021-05-11|

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AT518818A3|2018-04-15|

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CN109689536A|2019-04-26|

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AT518818B1|2018-06-15|

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EP3481752A1|2019-05-15|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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ATA50610/2016A|AT518818B1|2016-07-08|2016-07-08|Method for picking articles and picking station|ATA50610/2016A| AT518818B1|2016-07-08|2016-07-08|Method for picking articles and picking station|

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EP17757663.4A| EP3481752A1|2016-07-08|2017-07-06|Method for the order-picking of articles, and order-picking station|

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PCT/AT2017/060168| WO2018006112A1|2016-07-08|2017-07-06|Method for the order-picking of articles, and order-picking station|

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CN201780054480.1A| CN109689536B|2016-07-08|2017-07-06|Method and picking station for picking items|