• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Automatic printing and labeling equipment for pallets. Equipment that includes a safe area protected with a perimeter fence and access doors that can be opened from a control and inside which a robotic arm is provided, provided with at least four degrees of freedom, which is mounted on the end of the robotic arm at least one printing and application of the sensorized labels, where the application is carried out by means of a sensorized suction plate placed at the bottom of the head which, by means of a pneumatic actuator, places the label on the pallet with exact precision. Thanks to the fact that at least one printing and label application head is placed on the end of a robotic arm, the movements of the robotic arm are minimized and can be labeled with high productivity, reliability, ergonomics and safety. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2753926A1
    申请号:ES201830981
    申请日:2018-10-10
    公开日:2020-04-14
    发明作者:Jose Maria Lambea
    申请人:Labelfactory S L；
    IPC主号:
    专利说明:

    [0001]
    [0002]
    [0003]
    [0004] OBJECT OF THE INVENTION
    [0005]
    [0006] It is an object of the present invention, as the title of the invention establishes, an automatic pallet printing and labeling equipment for high productions and high productivity, where the production time-to-downtime ratios have increased.
    [0007]
    [0008] The present invention is characterized by the special configuration and design of each and every one of the pieces that are part of the printing and labeling equipment that is based on the use of at least one robotic arm equipped with at least four degrees of freedom and on the which is mounted at least one print head and applicator up to the pale to be applied.
    [0009]
    [0010] Therefore, the present invention is within the scope of high speed pallet labeling applicator systems, equipment and devices.
    [0011]
    [0012] BACKGROUND OF THE INVENTION
    [0013]
    [0014] The existing state of the art raises the possibility of improving the productivity of pallet labeling equipment, where the current criteria of:
    [0015]
    [0016] - Application of one or more labels on different faces of a single or multiple pale:
    [0017] - Printing of the label in real time managed by the client so that the necessary channels and protocols must be established. - Legibility of the label (minimum resolution 200 dpi) and durable over time since the application will be made on the pack.
    [0018] - Typology of pallets, which may be simple, in which it will be necessary to label one, two or three faces, or multiple, in these it is necessary to put at least one label on each of them plus an additional one from the set.
    [0019]
    [0020] In the known state of the art, labeling systems have a robotic label applicator arm on which a barcode has been printed at a printing station or point, whereby the robotic arm is continuously making a one-way path and return between the point of printing of the labels and the point of application of the same, which redounds in a great amount of time in the application of each label and therefore in the final productivity.
    [0021]
    [0022] Said increase in productivity would also be based on the fact that the downtime or downtime due to changes in consumables (paper, tape), changes in label formats or changes in article formats must be zero. The production line cannot stop, in addition, consumable changes must be quick and easy, taking into account the ease of integration in the customer line as well as ergonomics and safety.
    [0023]
    [0024] Therefore, it is the object of the present invention to improve the aspects susceptible of improvement in printing and labeling equipment for pallets, such as, the increase in productivity based on the non-stop of the production line, ease of integration and installation, ergonomics , safety and ease of maintenance, developing equipment such as the one described below and reflected in its essentiality in the first claim.
    [0025]
    [0026] DESCRIPTION OF THE INVENTION
    [0027] The object of the present invention is an automatic pallet printing and labeling equipment that has a high production capacity of up to at least 250 pallets / hour, that is reliable and durable, as well as being capable of labels with printed labels with the necessary information for each type of product and pallet.
    [0028]
    [0029] The equipment comprises a robotic arm provided with at least four degrees of freedom that at the end of the robotic arm there is mounted at least one sensorized printing and label application head, where the application is carried out by means of a sensorized suction plate placed in the lower part of the head that by means of a pneumatic actuator places the label on the pallet with exact precision.
    [0030]
    [0031] In order to improve the productivity of the equipment while one head is being used for labeling, the other head is in a loading station, where an operator has secure access to the replacement of consumables.
    [0032]
    [0033] The head change is carried out by means of a pneumatic tool change system which, in addition to unhooking one head and hooking the next, allows the transmission of the compressed air supply and signals to the head.
    [0034]
    [0035] The print head is sensorized comprising two barcode readers:
    [0036] - A first barcode reader placed at the bottom of the suction plate, in charge of verifying that the attached label is legible.
    [0037] - A second barcode reader placed at the bottom of the output of the printer labels responsible for verifying that the barcode is correct before being placed.
    [0038]
    [0039] There are two consumables for this type of process:
    [0040]
    [0041] - Wax ribbon for thermal transfer printing. They are supplied in 400m rolls. the ribbon is loaded into the printer.
    [0042] - And the adhesive labels, on backing paper. Typically, tape reels and labels are changed at the same time. The label roll is loaded into the head.
    [0043]
    [0044] In order to be able to change the consumables of the print heads without stopping labeling, a complementary option is to add a second print head to the robotic arm so that the machine does not stop while changing the roll.
    [0045]
    [0046] Furthermore, saving time is very important because labels can be printed during the robot's journey to the next labeling position.
    [0047]
    [0048] The idea is that while the robotic arm uses one of the heads to print and apply labels, the other is in the safe position and can be loaded with consumables.
    [0049]
    [0050] The change of spindle must take place in an orderly manner so that the second spindle does not stop labeling any pallet, and vice versa.
    [0051]
    [0052] The conditions under which one head stops and must be applied to the second print head can be by:
    [0053]
    [0054] o Consumable change
    [0055] o Head error
    [0056] o Technical stop.
    [0057]
    [0058] In order to make an orderly stop we must anticipate the end of the roll. For this we will have a series of sensors that will detect when the roll is finished and another one to know when the roll has finished.
    [0059]
    [0060] The change of head can also take place at the request of the operator. In this way, the stop must also be ordered, ending the cycle and starting the next, taking the label from the second head.
    [0061] Once we have stopped the head, we must reduce consumable change times as much as possible.
    [0062]
    [0063] Changing the label roll can take an experienced operator on the order of 3-4 minutes.
    [0064]
    [0065] As we see this is not the problem that would justify the investment. This system is justified in minimizing consumable search times when it is not available relatively close to the equipment. And also when a printhead failure occurs.
    [0066]
    [0067] In order to be able to integrate two heads so that one can access and change the consumable, while working with the other, it is necessary to provide the team with defense means and mechanisms that allow the operator to make changes to the consumable safely and ergonomically. Keep in mind the applicator consists of a high-performance robotic arm with high inertias moving at great speed. For this, the system has safe areas for the change of consumables and adjustments that bring the head closer to the operator without allowing access to the moving parts.
    [0068]
    [0069] Thanks mainly to the fact that at least one label printing and application head is placed on the end of a robotic arm, the movements of the robotic arm are minimized, since in the state of the art on one side is the label applicator arm and on the other, the print head at a fixed point, the robotic arm must continuously go looking for the label to the printing means and then apply it on the pallet to return again.
    [0070]
    [0071] Unless otherwise indicated, all technical and scientific elements used herein have the meaning that is ordinarily understood by a person skilled in the art to which this invention belongs. In Similar or equivalent procedures and materials to those described in the specification can be used to practice the present invention.
    [0072]
    [0073] Throughout the description and claims, the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and characteristics of the invention will appear in part of the description and part of the practice of the invention.
    [0074]
    [0075] EXPLANATION OF THE FIGURES
    [0076]
    [0077] To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical embodiment thereof, a set of drawings is included as an integral part of said description. where illustrative and not limiting, the following has been represented.
    [0078]
    [0079] In figure 1, we can see a plan representation of the equipment object of the invention.
    [0080]
    [0081] In figure 2, we can see a detail of the robotic arm that is part of the team.
    [0082]
    [0083] Figures 3 and 4 show details of the safe consumable changing stations.
    [0084]
    [0085] PREFERRED EMBODIMENT OF THE INVENTION.
    [0086]
    [0087] In view of the figures, a preferred embodiment of the proposed invention is described below.
    [0088] In figure 1 we can see that the automatic printing and labeling equipment for pallets includes:
    [0089] - A perimeter fence with an alarm silencing system (2) that defines an interior area (14) with restricted access through doors (16) and that is open in the area in contact with a transport belt (1) by where the pallets to label proceed.
    [0090]
    [0091] - A robotic arm (6) provided with at least four degrees of freedom, at the end of which is mounted at least one print head and label applicator.
    [0092]
    [0093] On the perimeter fence (2) there are at least one consumable change station (3) that allows said action to be carried out safely, said change station (3) provided with access windows (4) (Figures 3 and 4 ) to the safe area (14), in addition to having a control panel (5) on the perimeter fence (2).
    [0094]
    [0095] Figure 2 shows in detail the elements comprising the print and application head (7), which includes a support plate (15) on which they are mounted:
    [0096] - An applicator (8)
    [0097] - A sensorized suction plate (9) mounted on the end of the applicator (8),
    [0098] - A printer (10)
    [0099] - A series of barcode readers, which in the shown embodiment comprise:
    [0100] o A first barcode reader (12) placed at the bottom of the suction plate (9) responsible for verifying that the label attached is legible.
    [0101] o A second barcode reader (13) placed at the bottom of the label exit from the printer (10) responsible for checking that the barcode is correct before being placed
    [0102] - A tilting movement system (11) that allows the change of the print and application head (7) and that makes the connection with the end of the robotic arm.
    [0103] - A roll (17) of adhesive labels arranged on a backing paper.
    [0104]
    [0105] Figure 3 shows a top perspective view of the printing equipment on which a consumable changing station (3) can be seen and which is provided with windows (16) whose opening is carried out by means of a request from the printing station. control. In figure 5 the same previous elements are shown but in detail.
    [0106]
    [0107] Sufficiently described the nature of the present invention, as well as the way to put it into practice, it is stated that, within its essentiality, it may be practiced in other embodiments that differ in detail from that indicated by way of example. , and to which it will also achieve the protection that is sought, provided that it does not alter, change or modify its fundamental principle.
    权利要求:
    Claims (4)
    [1]
    1. - Automatic pallet printing and labeling equipment characterized in that it comprises:
    - A perimeter fence with an alarm silencing system (2) that defines an interior area (14) with restricted access through doors (16) and that is open in the area in contact with a transport belt (1) by where the pallets to label proceed.
    - A robotic arm (6) provided with at least four degrees of freedom, at the end of which is mounted at least one print head and label applicator (7).
    [2]
    2. - Automatic pallet printing and labeling equipment according to claim 1, characterized in that it comprises the printing and application head (7) and includes a support plate (15) on which are mounted:
    - An applicator (8)
    - A sensorized suction plate (9) mounted on the end of the applicator (8),
    - A printer (10)
    - A series of barcode readers
    - A tilting movement system (11) that allows the change of the print and application head (7) and that makes the connection with the end of the robotic arm.
    - A roll (17) of adhesive labels arranged on a backing paper
    [3]
    3. - Equipment for printing and automatic labeling of pallets according to claim 2, characterized in that the barcode readers of the printing and application head (7) are:
    - A first barcode reader (12) placed at the bottom of the suction plate (9) responsible for verifying that the label attached is legible.
    - A second barcode reader (13) placed at the bottom of the output of the printer labels (10) in charge of verifying that the barcode is correct before being placed
    [4]
    4.- Automatic pallet printing and labeling equipment according to any of the preceding claims, characterized in that at least one consumable change station (3) is provided on the perimeter fence (2) provided with access windows (4) to the safe area (14), in addition to having a perimeter fence (2) with an electrical control panel (5).
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    同族专利:
    公开号 | 公开日
    ES2753926B2|2020-11-03|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4927486A|1989-05-24|1990-05-22|Twinpak Inc.|System for applying labels to pallets movable along a conveyor line|
    US5931098A|1996-05-03|1999-08-03|Willett International Limited|Robot mounted printhead|
    ES2631138A1|2016-02-26|2017-08-28|Labelmarket, S.L.|Label with robotized arm |
    US20180203650A1|2016-04-10|2018-07-19|Van Loi Le|Label printer applicator system|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201830981A|ES2753926B2|2018-10-10|2018-10-10|AUTOMATIC PRINTING AND LABELING EQUIPMENT FOR PALES|ES201830981A| ES2753926B2|2018-10-10|2018-10-10|AUTOMATIC PRINTING AND LABELING EQUIPMENT FOR PALES|
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