JP5947572B2 - Plate workpiece feeder - Google Patents

Description

  The present invention relates to a plate-shaped workpiece supply device that carries a plate-shaped workpiece into and out of a machining pallet that can be carried in and out of a laser beam machine. More specifically, the present invention relates to a laser machined machining on the machining pallet. A workpiece placing portion capable of placing a workpiece on a material cart having a fork capable of lifting a product (product), a product pallet provided on one side of the moving pallet of the processing pallet, and the other side of the moving passage Furthermore, the present invention relates to a plate-shaped workpiece supply device that includes an auxiliary pallet on which workpieces or protective sheets are stacked, and can effectively use the space of the entire device.

  When performing laser processing on a plate-shaped workpiece, for example, the workpiece is placed on a processing pallet equipped with a sword or a skid, and this processing pallet is carried to a position corresponding to the laser processing position to perform laser processing on the workpiece. ing. And after carrying out the processing pallet from the laser processing machine after the end of the laser processing, after lifting the processed product and the skeleton together with the fork that can freely enter between the sword mountain or the skid, The product and the skeleton are separated (for example, Japanese Patent Application Laid-Open No. 2008-184316).

JP 2008-184316 A

  In the configuration described in Patent Document 1, a plate-like workpiece loaded on a pallet in a shelf device is picked up by a single picking device provided in the shelf, and then the pallet is placed on an elevator. Moving. Then, after placing the workpiece taken on the fork, the workpiece is placed on the processing pallet by lowering the fork. And after moving a processing pallet on the said elevator and raising the said fork, the said processing pallet is returned in a shelf apparatus, and the processing pallet is moved to the laser processing machine side after that. Therefore, there is a problem that movement is complicated.

  Accordingly, a supply device as shown in FIG. 3 has been proposed. That is, the plate-shaped workpiece supply device 1 is arranged on one side of the laser processing machine 3 in the X-axis direction. The supply device 1 has a frame structure in which steel materials are combined, and is capable of moving on the laser processing machine 3 along a guide rail 5 in the X-axis direction at a position corresponding to the laser processing machine 3. A pallet 7 is provided so as to freely reciprocate. Therefore, the guide rail 5 constitutes a moving path in which the processing pallet 7 reciprocates. As is well known, the processing pallet 7 has a configuration in which swords or skids 9 that support a plate-like workpiece are provided at appropriate intervals in the X-axis direction, and by a processing pallet reciprocating means (not shown). It is reciprocated.

  An orthogonal Y-axis guide rail 11 is provided above the movement path of the processing pallet 7. The guide rail 11 constitutes a material carriage path in which the material carriage 13 reciprocates, and is provided long on both sides in the Y-axis direction with respect to the movement path of the processing pallet 7. Therefore, the material cart 13 has a position corresponding to the workpiece loading / unloading position 15 where the machining pallet 7 loads the workpiece into the laser processing machine 3 and unloads the workpiece after laser processing, and the workpiece loading / unloading position 15. And a product accumulation position 19 for collecting laser processed products on the processing pallet 7 so as to be movable and positionable. The movement positioning of the material carriage 13 is performed by a material carriage movement positioning means (not shown).

  On the upper surface of the material carriage 13, there is provided a workpiece placing portion 21 on which a plate-like workpiece W can be loaded. In addition, a fork member 23 that can enter between the skids 9 in the processing pallet 7 and can lift a product on the processing pallet 7 is provided below the material cart 13 so as to be movable up and down. Therefore, when the material cart 13 positioned at the retreat position 17 is moved to the workpiece loading / unloading position 15, the fork member 23 can enter between the skids 9 in the processing pallet 7 positioned at the workpiece loading / unloading position 15. Therefore, the product on the processing pallet 7 can be lifted by the fork member 23.

  A product pallet 25 on which the product WP transferred by the fork member 23 can be loaded is provided at the stacking position 19 so as to be freely accessible. The accumulation position 19 is provided with a lifter device 27 that can move the product pallet 25 up and down. Therefore, when the product WP is loaded from the fork member 23 onto the product pallet 25, the product pallet 25 is raised by the lifter device 27, so that the height position of the loaded product WP is set to the height of the fork member 23. It can correspond to the position. The fork member 23 is provided with a workpiece moving means (not shown) as shown in FIG.

  Further, in the supply device 1, the workpiece W loaded on the material cart 13 is picked at a position above the passage of the material cart 13 and corresponding to the workpiece loading / unloading position 15. A single picking device 29 is provided. The single-sheet pick-up device 29 is provided with a pad holder 33 provided with a plurality of suction pads (vacuum pads) 31 capable of sucking the workpiece W so as to move up and down in the same manner as a general single-sheet pick-up device.

  In the above-described configuration, after the material carriage 13 is moved and positioned above the processing pallet 7 located at the workpiece loading / unloading position 15, the workpiece W on the material carriage 13 is picked up by the single picking device 29. Then, after the material cart 13 is returned to the original retreat position 17, the pad holder 33 in the one-sheet picking device 29 is lowered to place the workpiece W picked up on the processing pallet 7. Thereafter, the processing pallet 7 is carried into the laser processing machine 3 and laser processing of the workpiece W on the processing pallet 7 is performed. As described above, when the workpiece W on the processing pallet 7 is being laser-processed, the material carriage 13 is positioned again below the one-piece taking device 29. After the workpiece W is picked up by the single picking device 29, the material cart 13 is returned to the original retreat position 17.

  Thereafter, the laser processing of the workpiece W is completed and the processing pallet 7 is returned to the original position, and then the processed workpiece (meaning a skeleton and a product) on the processing pallet 7 is unloaded from the processing pallet 7. . That is, when the material cart 13 is moved from the retreat position 17 to the workpiece loading / unloading position 15, the fork member 23 provided in the material cart 13 enters between the skids 9 in the processing pallet 7. Then, the fork member 23 is raised to lift the processed workpiece on the processing pallet 7.

  As described above, after lifting the workpiece processed by the fork member 23, the material carriage 13 is moved to the product accumulation position 19. Then, when the material carriage 13 moves to the product accumulation position 19, the pad holder 33 in the single picking device 29 is lowered, and the workpiece W picked up in advance is placed on the processing pallet 7. Is carried into the laser processing machine 3 and laser processing of the next workpiece W is started.

  Further, after the product pallet 25 at the product accumulation position 19 is raised to a height position corresponding to the fork member 23 by the lifter device 27, the workpiece processed from the fork member 23 is transferred onto the product pallet 25. Then, the material cart 13 is positioned at a position below the single picking device 29, the workpiece is picked again, and then the material cart 13 is retracted and positioned to the retreat position 17 to repeat the material cart. The workpiece W on 13 can be laser processed one after another.

  According to the said structure, after carrying out the workpiece | work processed from the processing pallet 7, the next workpiece | work W can be rapidly supplied and mounted with respect to the processing pallet 7, and the improvement of processing efficiency can be aimed at. . However, in the above-described configuration, the number of workpieces W that can be loaded on the material cart 13 is limited. Therefore, if the workpiece W on the material cart 13 is exhausted, a new workpiece must be placed and supplied to the material cart 13. There is a problem of not becoming. Further, there is a problem that a useless space below the retreat position 17 is large.

  Therefore, when laser processing of a separate workpiece is to be performed after laser processing of the workpiece W on the material carriage 13, it is necessary to place the separate workpiece on the material carriage 13, and laser processing of the separate workpiece is performed. There is a problem in improving efficiency when trying to perform continuously. Further, for example, when the product WP is loaded on the product pallet 25, for example, when a protective sheet is to be interposed between the product WP and the product WP, there is a problem that it is a manual operation and is extremely troublesome.

The present invention has been made in view of the above-described problems, and is a plate-like workpiece supply device for a machining pallet that can be carried in and out of a laser beam machine, above the movement path of the machining pallet. A material carriage passage having a direction perpendicular to the movement passage is provided, and a workpiece loading section capable of loading a plate-like workpiece placed on the processing pallet on the upper surface of the material carriage that can reciprocate along the material carriage passage. together provided the includes a freely forks member lifts the laser processed product on the work pallet vertically movable on the material base vehicle, the said travel path of the machining pallet, the width direction perpendicular to the moving direction comprising a mounting universal product palette the product on one side, of the travel path, on the other side in the width direction perpendicular to the moving direction, the workpiece or the machining path is placed into the processing pallet An auxiliary pallet loaded with protective sheet placed on the product on Tsu bets, above the material carriage path, provided the material carriage path parallel to one-up passage, along the one-up passage A reciprocating single-moving carriage is provided so as to be freely movable to an upper position corresponding to the movement path of the processing pallet and the auxiliary pallet, and the work on the material carriage and the It is characterized in that it is provided with an adsorbing means that can adsorb and lift the work or protective sheet on the auxiliary pallet so as to be movable up and down.

  Further, in the plate-like workpiece supply device, the apparatus includes an auxiliary pallet up-and-down moving means for moving the auxiliary pallet up and down, and an auxiliary pallet locking means capable of locking the raised auxiliary pallet at the raised position. In addition, the product pallet is provided so as to be able to move to a position below the auxiliary pallet in the raised state through the lower side of the movement path of the processing pallet.

  Moreover, in the plate-shaped workpiece supply device, the single picking cart is movable above the product pallet.

  According to the present invention, the workpiece can be placed on the material carriage, the auxiliary pallet on which the workpiece or the protective sheet is loaded is provided, and the one-piece carriage is movably provided. In addition, since it is configured to include an adsorption means that can adsorb and lift the work on the material trolley and the work on the auxiliary pallet or the protective sheet, the work or protection sheet on the material trolley and the auxiliary pallet is The workpiece or the protection sheet can be transported and placed on the processing pallet by lifting, and the above-described problems can be solved.

It is the composition explanatory view showing the composition of the supply device concerning a 1st embodiment of the present invention roughly and notionally. It is the structure explanatory drawing which showed roughly the structure of the supply apparatus which concerns on the 2nd Embodiment of this invention. It is a structure explanatory drawing which showed the structure of the proposed supply apparatus roughly and notionally.

  Hereinafter, the configuration of the plate-shaped workpiece supply device according to the embodiment of the present invention will be described with reference to the drawings. Components having the same functions as the components of the supply device 1 described above are denoted by the same reference numerals. A duplicate description is omitted.

  Referring to FIG. 1, the overall configuration of the plate-shaped workpiece supply device 1 </ b> A according to the embodiment of the present invention is similar to the overall configuration of the supply device 1 described above. Above the guide rail 11 in the Y-axis direction as a carriage passage, a guide rail 35 as a single-piece passage is provided in parallel with the guide rail 11. The guide rail 35 is provided with a single carriage 37 that can reciprocate in the Y-axis direction. A pad holder 33 having a plurality of suction pads 31 is provided on the lower side of the single picking cart 37 so as to be movable up and down. That is, a single picking device 29 is provided below the single picking cart 37 so as to be movable up and down.

  The single carriage 37 is reciprocated by a carriage reciprocating means (not shown), and is provided so as to be movable to a workpiece loading / unloading position 15 and a retracting position 17. In addition, by providing the guide rail 35 over the product accumulation position 19, the one-piece carriage 37 can be moved and positioned to the product accumulation position 19.

  Further, the supply device 1A is provided with an auxiliary pallet 39 so that it can be carried in and out. The auxiliary pallet 39 is a mode in which a protective sheet such as a plate-shaped workpiece or plastic corrugated cardboard is stacked, and is provided in a lower position at the retracted position 17 so as to be carried in and out. More specifically, a support rail 43 having the same height as the support rail 41 capable of supporting the product pallet 25 is provided at the retraction position 17 with the movement path (guide rail 5) of the processing pallet 7 interposed therebetween. ing. The auxiliary pallet 39 is supported on the support rail 43 so as to be freely carried in and out.

  With the above configuration, the workpiece W on the material carriage 13 located at the retreat position 17 is picked up, and the single pick-up carriage 37 is moved and positioned to the workpiece loading / unloading position 15. Alternatively, the material cart 13 is moved and positioned at the workpiece loading / unloading position 15, and after the workpiece W on the material cart 13 is picked up, the material cart 13 is moved to the retreat position 17 to pick up one piece. The workpiece W is placed on the processing pallet 7. Thereafter, the processing pallet 7 is carried into the laser processing machine 3 and laser processing of the workpiece W is performed.

  As described above, when laser processing of the workpiece W on the processing pallet 7 is performed, the single carriage 37 is moved and positioned above the material carriage 13 located at the retreat position 17, and A single piece of the workpiece W is taken. After the processing pallet 7 is returned to the original work loading / unloading position 15, the fork member 23 provided on the material carriage 13 is moved from the retreat position 17 so as to enter between the skids 9 of the processing pallet 7. The workpiece is moved and positioned to the carry-in / out position 15 and the processed workpiece on the processing pallet 7 is lifted. Thereafter, the material cart 13 is moved to the product accumulation position 19 to transfer the product onto the product pallet 25.

  As described above, after the material carriage 13 is moved and positioned to the product accumulation position 19 or simultaneously, the single-piece carriage 37 is moved and positioned above the processing pallet 7, and the workpiece W picked up one piece is placed on the processing pallet 7. Mount and supply. Then, the processing pallet 7 is carried into the laser processing machine 3 and the workpiece W is processed again. In addition, the material cart 13 is returned to the retreat position 17 and the single take cart 37 is moved and positioned to the retreat position 17, and the workpiece W on the material cart 13 is picked up to be in a standby state.

  As already understood, the workpieces W loaded on the material carriage 13 can be picked up by the single picking device 29 and placed on the processing pallet 7 one after another. And the workpiece | work W on the process pallet 7 processed with the laser processing machine 3 can be conveyed and accumulated on the product pallet 25 of the product accumulation position 19 by the fork member 23 provided on the lower side of the material carriage 13. That is, the workpieces W loaded on the material carriage 13 can be successively laser processed and accumulated on the product pallet 25.

  When the workpiece W loaded on the material cart 13 is lost, as shown in FIG. 1, the single cart is moved in the state where the material cart 13 is moved to the workpiece loading / unloading position 15 or the product accumulation position 19. 37 is moved and positioned to the retreat position 17, the single picking device 29 is lowered, the single piece of the work W on the auxiliary pallet 39 is picked up, and it enters a standby state. Thereafter, as described above, after the processed workpiece on the processing pallet 7 is conveyed to the product pallet 25 by the fork member 23, the stand-alone single picking device 29 is moved and positioned above the processing pallet 7, One workpiece W is placed on the processing pallet 7.

  Therefore, the laser processing of the workpiece W on the auxiliary pallet 39 can be continuously performed following the workpiece W loaded on the material carriage 13, and the efficiency can be improved. In this case, when the workpiece W loaded on the material carriage 13 and the workpiece W loaded on the auxiliary pallet 39 are the same workpiece, laser machining of the workpiece is continuously performed under the same laser machining conditions. It can be carried out. When the workpiece W on the material carriage 13 and the workpiece W on the auxiliary pallet 39 are different, the laser machining conditions are changed to the laser machining conditions corresponding to the workpiece W to perform laser machining.

  By the way, in the case where the protective sheet is stacked on the auxiliary pallet 39, the protective sheet is picked up by the single picking device 29 and is in a standby state, and the material cart 13 is positioned at the retreat position 17. When the processing pallet 7 is unloaded from the laser processing machine 3, the single-drawing carriage 37 is moved and positioned above the processing pallet 7. Then, the single-sheet pick-up device 29 is lowered to a position close to the processed workpiece on the processing pallet 7, and the single-sheet protective sheet is placed on the workpiece on the processing pallet 7.

  Thereafter, the workpiece processed on the processing pallet 7 and the protective sheet placed thereon are integrally carried out by the fork member 23 provided on the lower side of the material carriage 13 and accumulated on the product pallet 25. Therefore, when a protective sheet is stacked on the auxiliary pallet 39, the protective sheet can be stacked between the workpieces stacked on the product pallet 25.

  As can be understood from the above description, in the supply apparatus 1A according to the embodiment, more workpieces W than the workpieces W loaded on the material carriage 13 can be efficiently carried into the laser processing machine 3. It can be done. Further, when a laser processed workpiece is loaded on the product pallet 25, a protective sheet can be easily interposed between the processed workpiece. Furthermore, since the auxiliary pallet 39 is disposed below the retreat position 17, the empty space in the entire apparatus can be used effectively, and the entire apparatus can be made compact.

  FIG. 2 shows a configuration of a plate-shaped workpiece supply device 1B according to the second embodiment. In this supply device 1B, the same reference numerals are given to components having the same functions as the components of the supply device 1A in the above embodiment, and redundant description is omitted.

  In the supply device 1B according to the second embodiment, the work placement unit 21 in the material cart 13 is omitted. A lifter device 27 that can move the product pallet 25 up and down is configured to be movable to a position below the auxiliary pallet 39 at the retracted position 17 through the workpiece loading / unloading position 15. Therefore, the auxiliary pallet 39 can be moved up and down by the moved lifter device 27. Therefore, the lifter device 27 constitutes an auxiliary pallet vertical movement means for moving the auxiliary pallet 39 up and down.

  In order to lock the auxiliary pallet 39 raised by the lifter device 27, an auxiliary pallet locking means 45 is provided at the retracted position 17. The auxiliary pallet locking means 45 includes a locking piece 47 that can be moved up and down with respect to the vertical movement region of the auxiliary pallet 39. The locking piece 47 is constituted by, for example, a piston rod or a bell crank that is reciprocated by an actuator such as a fluid pressure cylinder (not shown). When the locking piece 47 protrudes into the vertical movement region, the auxiliary pallet 39 The function which supports this is made.

  With the above configuration, the auxiliary pallet 39 is raised and locked by the locking piece 47, so that the lifter device 27 moves the product pallet 25 under the guide rail 5 to the retreat position 17 side. can do. Therefore, when the automatic warehouse 49 is arranged on the retreat position 17 side, the product pallet 25 can be transferred to the tracker 51 provided in the automatic warehouse 49, and the product pallet 25 can be stored in the automatic warehouse 49. is there.

  In the supply device 1B, the single workpiece picker 29 can pick up the workpiece W on the auxiliary pallet 39 and place it on the processing pallet 7, which is the same as the supply device 1A described above. It can be effective.

1, 1A, 1B Plate workpiece supply device 3 Laser processing machine 5 Guide rail (moving path of processing pallet)
7 Processing pallet 11 Guide rail (material cart passage)
13 Material Cart 15 Work Loading / Unloading Position 17 Retraction Position 19 Product Accumulation Position 21 Work Placement Section 23 Fork Member 25 Product Pallet 29 Single Picking Device 31 Suction Pad (Vacuum Pad)
35 guide rail
37 Single carriage 39 Auxiliary pallet 45 Auxiliary pallet locking means 47 Locking piece

Claims (3)

A plate-like workpiece supply device for a processing pallet that can be carried in and out of a laser processing machine, comprising a material carriage passage in a direction perpendicular to the movement passage above the movement passage of the processing pallet, A workpiece loading part capable of loading a plate-shaped workpiece placed on the processing pallet on the upper surface of the material cart that can reciprocate along the material cart path, and can lift the laser processed product on the processing pallet freely a fork member provided vertically movable on the material base vehicle, the travel path of the machining pallet, the product on one side in the width direction orthogonal with the placement universal product palette to the moving direction, wherein of the path, to the other side in the width direction perpendicular to the moving direction, and stacking a protective sheet placed on the product in the work or the work pallet is placed into the processing pallet auxiliary A single take-up path that is parallel to the material carriage path and is reciprocally movable along the single-piece take-up path. And an upper position corresponding to the auxiliary pallet so that it can be moved and positioned freely, and the workpiece on the material cart and the workpiece or protective sheet on the auxiliary pallet are adsorbed to the lower side of the one-piece carriage, and can be lifted freely. An apparatus for supplying a plate-like workpiece, characterized in that the means is provided so as to be movable up and down.   2. The plate-like workpiece supply device according to claim 1, further comprising auxiliary pallet up-and-down moving means for moving the auxiliary pallet up and down, and auxiliary pallet locking means capable of locking the raised auxiliary pallet at a raised position. And the product pallet passing through the lower side of the movement path of the processing pallet so as to be movable to a lower position of the auxiliary pallet in the raised state. .   3. The plate-shaped workpiece supply device according to claim 1, wherein the one-piece carriage is movable above the product pallet.

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