奥地利专利AT517421A1 caster

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引用文献

法律状态

优先权

专利摘要:
The invention relates to a plant (1) and a casting device (10) for low- or counter-pressure casting, wherein the casting device (10) at least one lower chamber (3) for at least one furnace (4) and at least one upper chamber (5) for at least a mold and the lower chamber (3) from the upper chamber (5) by at least one lower mold clamping plate (15) for fixing a lower part (22) of the at least one mold are separated, the mold mounting plate (15) in a vertical direction displaceable is stored.
公开号:AT517421A1
申请号:T50496/2015
申请日:2015-06-15
公开日:2017-01-15
发明作者:Boindecker Martin；Rathner Thomas；Siebinger Manfred；Ing Weber Richard
申请人:Fill Gmbh；
IPC主号:

专利说明:

The invention relates to a casting apparatus for low-pressure or counter-pressure casting, the casting apparatus having at least one lower chamber at least one furnace and at least one upper chamber for at least one mold, and the upper and lower chambers through at least one lower mold mounting plate for fixing a lower part of the at least one Mold are separated from each other.
Furthermore, the invention relates to a system for producing a workpiece by means of low-pressure or counter-pressure casting.
Installations with a casting device, in particular for casting under a pressure generated by a gas phase, are used in foundry technology, in particular for the production of castings having high physical and mechanical characteristics, in particular of light metal alloys.
The actual casting process takes place both in the low-pressure casting process and in the counter-pressure Kokillengießverfahren using a riser, through which the melt is conveyed up into the mold.
However, the pressurization of the melt in the furnace to convey the melt up into the mold is brought about in the counterpressure die casting process by a pressure difference by slightly lowering the gas pressure in the mold. This creates an overpressure in the casting furnace which is sufficient for the melt to rise into the mold.
A casting apparatus and a plant of the type mentioned are known, for example, from DE102010026480A1. In the known solutions, the platen, by which the lower chamber is separated from the upper chamber, is fixedly mounted and can not be changed in position. To connect the oven to the mold via a riser, the oven is raised after it has been positioned in the lower chamber. However, this has the disadvantage that, on the one hand, a very high mass has to be moved and, on the other hand, this process is relatively time-consuming for quickly exchanging a furnace for a new casting process. It is disadvantageous that two hoists or drives are required in the known solutions, since both the furnace and the upper platen must be moved. Which also significantly increases the height.
It is therefore an object of the invention to overcome the above-mentioned disadvantages of the prior art.
This object is achieved according to the invention with a device of the type mentioned in the introduction that the platen can be displaced in a vertical direction.
By the vertical mobility of the lower platen this can be moved upwards, whereby the space available for manipulation of the furnace space in the lower chamber is increased. In this way, the oven can be easily positioned in the chamber and removed again. Moreover, it is possible to connect the furnace positioned in the lower chamber to the mold without raising it vertically by lowering the upper mold plate. At this point it should be pointed out that the lower and the upper chamber can each be hermetically, in particular gas-tight, sealed. Also, the upper and / or lower chamber may be evacuated or filled with a protective gas. In addition, the solution according to the invention saves the second drive for lifting the furnace, whereby the overall height can be significantly reduced.
According to an advantageous variant of the invention, it can be provided that the at least one lower platen has at least one riser pipe for connecting the at least one furnace to the at least one mold. The
Arrangement of the riser to the lower platen has the advantage that the riser is lifted by lifting the lower platen, whereby the riser very quickly removed from the range of the furnace and the furnace can be replaced very quickly. In particular, it is advantageous in this case if a lower edge of the riser pipe is raised above an upper edge of the furnace, since the furnace can then be removed from the chamber or inserted into it in the horizontal direction without being impeded by the riser pipe. As an alternative to mounting the riser to the lower platen, however, it would also be possible to move the riser separately from the platen.
In an advantageous embodiment of the invention, it may be provided that the upper chamber has an upper platen for an upper part of the at least one mold. The upper platen may have holding elements and optionally media interfaces for the upper part of the mold.
Particularly preferably, the upper platen is mounted in a vertically displaceable manner and connected to first connecting elements, wherein the lower platen is connected to second connecting elements, wherein each of the first connecting elements with a corresponding connecting element of the second connecting elements by a vertical displacement of the upper Platen is brought in the direction of the lower platen engaged. This variant of the invention has the advantage that the upper platen and the lower platen can be moved together. Thus, by lifting or lowering the upper platen, the lower platen can be lifted or lowered. This is advantageous, inter alia, with regard to reducing the drive elements required for the movement of the platens. In addition, can be synchronized in this way, the movements of the two platens with little effort, which is especially in a quick exchange of furnace and / or the arranged over it mold is beneficial.
With regard to a reliable connection of the upper and lower platen, it is particularly advantageous if each of the first connecting elements forms a respective positive and / or non-positive closure with the respectively associated second connecting element. If necessary, the closures can be released again and, for example, the upper platen can be moved relative to the lower platen. It is particularly advantageous if one of the connecting elements engages in the associated other connecting element, as soon as one of the two connecting elements in the other connecting element or the two connecting elements are pushed into one another. This allows a very quick and automatic connection of the lower and the upper mold clamping plate solely by a vertical displacement of the upper mold mounting plate.
According to an advantageous embodiment of the invention, it may be provided that the upper platen is connected to actuators for raising or lowering the upper platen. The connection of the upper platen to actuators has the advantage that the upper platen can be moved both with respect to the lower platen and together with them. A movement of the upper platen independent of the lower platen is particularly advantageous when feeding the upper chamber with a mold, since by raising the upper platen of the available space for loading the upper chamber can be increased. Thus, a mold located in the chamber in a closed state (upper and lower part connected to each other) are lifted from the upper platen and loaded by means of a manipulator on a transport carriage. When loading the upper chamber, the upper platen can be connected to the upper part of the closed mold. By lowering the upper platen, the mold can be brought into connection with the lower platen and, if necessary, the upper part of the lower part of the mold are dissolved. A common movement of lower and upper platen is as already mentioned above, especially with regard to the loading of the lower chamber with an oven and its removal from there an advantage.
In a particularly favorable variant of the invention it can be provided that the actuators are designed as piston / cylinder units, in particular as hydraulic cylinders, with pistons of the piston / cylinder units connected to the upper For maufspannplatte and working cylinder of the piston / cylinder units un ter ter respectively associated pistons are arranged and supported. By this arrangement, the piston / cylinder units a low height can be realized because the pistons push the upper platen upwards. In another arrangement, the pistons would pull the platen upwards and the cylinders would have to be suspended above the platen, which would increase the overall height. Also, in this variant of the invention higher forces acting on the piston can be realized than in an arrangement in which the pistons pull the upper platen upwards, the case is because the force on the entire available-de cross-sectional area of the piston and can not be practiced only on an annular surface.
According to a further advantageous embodiment, the casting apparatus may be a column casting apparatus having a frame with columns, which are arranged between a base plate and a cover structure of the casting device, wherein the cover structure has an x-shaped basic shape. Due to the special design of the cover structure thermally induced stresses can be broken down particularly well, without causing constraints, as can be the case with a plate-shaped design of the cover structure. In addition, the x-shaped cover structure allows a particularly good accessibility of the casting device from above.
The above-mentioned object can also be achieved with a system of the type mentioned in the introduction by having at least one casting device according to one of claims 1 to 8.
To increase the productivity of the system, it may be provided that at least two casting devices are provided, which are arranged at a distance next to one another, wherein a manipulator for the handling of workpieces is arranged between the casting devices. In addition, the
Manipulator further process steps, such as inserting cores, application of sizing, cleaning the mold and / or testing, for example by Ka-mera perform. Furthermore, the system may comprise at least one guide on which at least one transport carriage for transferring a furnace between a supply station and the at least one casting device is arranged.
Particularly advantageous in terms of production time is when the transport carriage has at least two floors arranged above one another, wherein a lower floor is provided for the transport of the furnace and an upper floor for a transport of at least one mold.
For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
In each case, in a highly simplified, schematic representation:
Fig. 1 is a perspective view of a system according to the invention;
Fig. 2 is a front view of a casting station of the apparatus of Fig. 1;
3 is a side view of the casting station of FIG. 2.
By way of introduction, it should be noted that in the embodiments described differently, identical parts are provided with the same reference numerals or the same component designations, wherein the disclosures contained in the full description can be analogously applied to identical parts with the same reference numerals or identical component designations. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and these situation information in a change in position mutatis mutandis to the new situation to transfer.
The plant 1 shown schematically in FIG. 1 for producing a workpiece by means of low-pressure or counter-pressure casting has a casting station 2 with two casting devices 10 arranged at a distance from one another. Such a casting station or casting devices 10 are shown schematically in FIGS. 2 and 3. Each of the pouring devices 10 comprises a lower, in particular her-met, sealable chamber 3 and an upper, in particular hermetically, sealable chamber 5, which are separated by a lower platen 15 from each other. According to the invention, the mold clamping plate 15 is displaceable in a vertical direction. For example, the mold mounting lath can be mounted displaceably on a base frame of the casting apparatus 10 in the vertical direction.
In the lower chamber 3, a furnace 4 can be arranged with melt. In the upper chamber 5, a mold, for example, approximately horizontally divided mold can be arranged, this one in Fig. 2 schematically indicated and provided there with the reference numeral 22 lower part, which can be arranged on the lower platen 15, and an upper part, not shown, which can be arranged on an upper platen 12 may have. The upper platen 12 may have interfaces 13 and 11, for example, flaps and media connections for the upper part of the mold, in particular for swiveling the upper part for better accessibility by an operator. In the region of the lower platen 12, for example, a traction device 14, referred to as core pull, can be provided for changing the position of a mold core.
The upper platen 12 is slidably mounted in the vertical direction, for example, on a base frame of the casting apparatus 10 and connected to the first connecting elements identified in FIG. 3 by the reference numeral 17. The lower platen 15 is connected to in Fig. 3 by reference numeral 16, second connecting elements. Each of the first connection members 17 may be engaged with a corresponding connection member of the second connection members 16 by vertically displacing the upper form platen 12 toward the lower platen 15. Each of the first connecting elements 17 forms with each depending Weil second associated connection element 16 each a positive and / or non-positive closure. The closure can, for example electronically ge-controlled, be unlocked again, so that the connecting elements 16 and 17 can be released from each other again. The closure may, for example, comprise an electronically controlled locking mechanism.
According to the embodiment shown in Fig. 3, a second connecting element 6 is formed as a pin and the associated first connecting element 17 as a lock. By lowering the upper platen 12 in the direction of the lower platen 15 of the pin snaps into the lock, for example, an electromechanical lock, and the upper platen 12 and the lower platen 15 are connected to each other, so that the lower platen 15th can be raised by a movement of the upper platen 12 and also lowered again.
The upper platen 12 may be connected to actuators 24 for raising or lowering the upper platen 12. The actuators 24 are formed in the illustrated embodiment as a piston / cylinder units, in particular as a hydraulic cylinder. Pistons 26 of the piston / cylinder units are here-connected to the upper platen 12. Working cylinder 25 of the piston / cylinder units are arranged under the associated piston 26 and supported off, for example, on a frame of the casting device 10th
According to FIG. 1, the casting device 10 can be designed as a column casting device, which has a frame with columns 27, which are arranged between a base plate 28 and a cover structure 19 of the casting device 10. The deck structure 19 has an x-shaped basic shape in the illustrated embodiment. A casting apparatus with the cover plate shown in Fig. 1 is a possibly-if separate stand-alone embodiment of a casting apparatus, which can also be implemented independently of the arrangement of a movable lower mold plate 15 and the other essential features of the subject invention.
The furnace 4 provided with the melt and the mold cavity formed by the two mold parts in the closed state are interconnected according to FIG. 2 by way of a riser pipe 23, which can be mounted on the lower mold mounting plate 15. The riser 23 follows in the illustrated embodiment form a movement of the lower platen 15th
Between the spaced apart in Fig. 1 and 2 juxtaposed two casting devices 10, a manipulator 21 may be arranged for Flandhabung the workpieces.
Furthermore, a guide 28 may be provided, which is realized in the illustrated example by a rail system on which a transport carriage 6 for receiving or removal and delivery or transfer of the furnace 4 is arranged.
The transport carriage 6 in this case oscillates between the casting devices 10 and a supply position remote therefrom, for example a station 8 for processing the melt.
FIG. 3 shows how the transport carriage stops in front of a casting device 10 in order to transfer a furnace 4 filled with melt from its furnace positioning point into the casting device 10, which has not yet been provided with an oven 4. Previously, the transport carriage 6 has received this oven 4 leaving a vacant space at the station 8. According to FIG. 1, the transport carriage 6 has a further oven positioning point 29. As a result, a time-saving change of an empty in the casting apparatus 10 arranged furnace 4 is possible against a furnace 4 filled with melt. The transport carriage 6 first receives the furnace 4 filled with melt in a first Ofenpositionierstelle 20 from the station 8, then moves to the casting apparatus 10 to receive the empty oven 4 in the second, still free Ofenpositionierstelle 29, transferred to closing the with Melted oven 4 from the first Ofenpositionierstelle 20 in the oven-less pouring device 10 to finally take the already taken empty oven 4 to the station 8, so that it can be transferred to a vacancy of the station 8 for reloading with melt.
The transport carriage 6 may have two floors arranged above one another, wherein a lower floor is provided for the transport of the oven 4 and an upper floor 18 for a transport of at least one mold. To accommodate the co-killing, the transport carriage 6 can stop at a platform 9 and transfer the molds provided there from the platform 9 to the upper level. Subsequently, the transport carriage loaded with the furnace 4 and the mold can travel to one of the casting devices 10. The transfer of the molds on and from the transport carriage 6 can be done by means of tool carriage 7.
For the sake of order, it should finally be pointed out that, for a better understanding of the structure of the device according to the invention, these or their components have been shown partly unevenly and / or enlarged and / or reduced in size.
LIST OF REFERENCE NUMERALS 1 Appendix 2 Casting Station 3 Chamber 4 Furnace 5 Chamber 6 Transport Carriage 7 Tool Trolley 8 Station 9 Platform 10 Casting Device 11 Interface 12 Platen 13 Interface 14 Pulling Device 15 Forming Platen 16 Connecting Element 17 Connecting Element 18 Bottom 19 Cover Structure 20 Furnace Positioning Position 21 Manipulator 22 Bottom 23 Rising Tube 24 Actuator 25 Working cylinder 26 Pistons 27 Columns 28 Guide 29 Furnace positioning point

权利要求:
Claims (12)
[1]
claims
1. Casting device (10) for low- or counter-pressure casting, wherein the casting device (10) has at least one lower chamber (3) for at least one furnace (4) and at least one upper chamber (5) for at least one mold and the lower chamber (3). 3) from the upper chamber (5) by at least one lower platen (15) for fixing a lower part (22) of the at least one mold are separated from each other, characterized in that the mold mounting plate (15) is arranged displaceably in a vertical direction.
[2]
2. Casting apparatus according to claim 1, characterized in that the at least one lower platen (15) has at least one riser (23) for connecting the at least one furnace (4) with the at least one mold.
[3]
3. Casting device according to claim 1, characterized in that the upper chamber (5) has an upper platen (12) for an upper part of the at least one mold.
[4]
4. Casting apparatus according to claim 2, characterized in that the upper platen (12) slidably mounted in the vertical direction and with first connecting elements (17) is connected, wherein the lower platen (15) with second connecting elements (16) is connected, wherein each of the first Connecting elements (17) with a corresponding connecting element of the second connecting elements (16) by a vertical Ver-displacement of the upper platen (12) in the direction of the lower platen (15) is engaged.
[5]
5. Casting device according to claim 3, characterized in that each of the first connecting elements (17) with the respectively associated second Ver-bonding element (16) each forms a positive and / or non-positive closure.
[6]
6. Casting device according to one of claims 1 to 4, characterized marked, characterized in that the upper platen (12) is connected to actuators (24) for raising or lowering the upper platen.
[7]
7. Casting device according to claim 5, characterized in that the actuators (24) are designed as piston / cylinder units, in particular as hydraulic cylinders, wherein pistons (26) of the piston / cylinder units are connected to the upper platen (12) and working cylinders (25). the piston / cylinder units are arranged and supported under the respectively associated pistons (26).
[8]
8. Casting device according to one of claims 1 to 6, characterized in that the casting device (10) is a column casting apparatus having a frame with columns (27) between a base plate (28) and a cover structure (19) of the casting device ( 10) are arranged, wherein the Deckstruk-tur (19) has an x-shaped basic shape.
[9]
9. Plant (1) for the production of a workpiece by means of low-pressure or counter-pressure casting, characterized in that it comprises at least one Gießvor-direction (10) according to one of the Anspmche 1 to 8.
[10]
10. Plant according to claim 9, characterized in that at least two casting devices (10) are provided which are arranged at a distance nebenei-nander, wherein between the casting devices (10) at least one manipulator (21) for handling workpieces is arranged.
[11]
11. Installation according to one of the claims 9 or 10, characterized in that it comprises at least one guide on which at least one transport slide (6) for transferring a furnace (4) between a supply station (8) and the at least one casting device ( 10) is arranged.
[12]
12. Plant according to claim 11, characterized in that the transport carriage (6) has at least two floors arranged above one another, wherein a lower floor for the transport of the furnace (4) and an upper floor (18) for a transport at least one Mold is provided.

类似技术:

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同族专利:

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DE202016008518U1|2018-03-23|

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EA034025B1|2019-12-19|

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WO2016201479A1|2016-12-22|

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AT517421B1|2019-08-15|

ES2788155T3|2020-10-20|

引用文献:

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CN204252506U|2014-10-24|2015-04-08|梁平|A kind of liftable scaffold|DE202016100133U1|2016-01-13|2017-04-19|Kurtz Gmbh|Device for casting|

AT519681B1|2017-03-02|2021-02-15|Fill Gmbh|Casting device for casting molded parts|

CN108326257B|2018-01-19|2019-08-27|湖北华力科技有限公司|A kind of auto parts and components casting workbench and its application method|

CN108941508A|2018-07-31|2018-12-07|哈尔滨工业大学|A kind of lower tank lifting of large ship antigravity casting machine and retaining mechanism|

CN108838373B|2018-07-31|2020-06-09|哈尔滨工业大学|Copper alloy screw double-station antigravity casting machine for large ship|

DE102019003706A1|2019-05-27|2020-12-03|Abp Induction Systems Gmbh|Melting and casting processes and combined melting and casting furnace systems|

CN110666136B|2019-09-26|2021-06-22|温州瑞明工业股份有限公司|Semi-automatic sand mould low pressure roll table forming system|

法律状态:

优先权:

申请号 | 申请日 | 专利标题

ATA50496/2015A|AT517421B1|2015-06-15|2015-06-15|caster|ATA50496/2015A| AT517421B1|2015-06-15|2015-06-15|caster|

ES16741520T| ES2786679T3|2015-06-15|2016-06-15|Casting device|

MX2017015448A| MX2017015448A|2015-06-15|2016-06-15|Casting device.|

EA201890055A| EA034025B1|2015-06-15|2016-06-15|Casting device|

DE202016008518.3U| DE202016008518U1|2015-06-15|2016-06-15|caster|

EP16741520.7A| EP3307457B1|2015-06-15|2016-06-15|Casting device|

CN201620850391.0U| CN205869434U|2015-06-15|2016-06-15|Casting equipment and equipment that is used for making work piece with help of low pressure casting|

PCT/AT2016/050206| WO2016201479A1|2015-06-15|2016-06-15|Casting device|

EA201890056A| EA034833B1|2015-06-15|2016-06-15|Casting device|

ES16741521T| ES2788155T3|2015-06-15|2016-06-15|Casting device|

PCT/AT2016/050205| WO2016201478A1|2015-06-15|2016-06-15|Casting device|

CN201680047919.3A| CN107921529B|2015-06-15|2016-06-15|Casting device|

DE202016008514.0U| DE202016008514U1|2015-06-15|2016-06-15|caster|

CN201680027117.6A| CN110214061A|2015-06-15|2016-06-15|Casting device|

EP16741521.5A| EP3307458B1|2015-06-15|2016-06-15|Casting device|

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