JP2013184805A - Method and device for separating product, and skeleton carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and a device for separating a product, capable of quickly separating a skeleton from a product and quickly mounting a workpiece onto a machining pallet.SOLUTION: A device for separating a product includes: a machining pallet 5 with a plate workpiece W mounted thereon, freely reciprocating between a position corresponding to a laser beam cutting machine 1 and a skeleton separation position 13; a skeleton separation unit 25 freely holding and lifting a skeleton 41 on the machining pallet 5 located on the skeleton separation position 13, a skeleton carriage 39 freely moving in a direction orthogonal to the moving direction of the machining pallet 5 and the vertical moving direction of the skeleton separation unit 25, and freely moving to a retreated position 35, to the skeleton separation position 13, and to a product stacking position 31 adjacent to the skeleton separation position 13; a fork 45 disposed under the skeleton carriage 39 so as to freely entering under a product on the machining pallet 5 and freely vertically moving to lift the product; and a skeleton mounting section 43 disposed on the upper face of the skeleton carriage 39 to mount the skeleton 41.

Description

  The present invention relates to a product separation method and apparatus for separating a plate-like workpiece product and a skeleton laser-cut by a laser cutting machine, and a skeleton carriage used in the apparatus, and more particularly, on a processing pallet. Separation of the skeleton and the product can be performed quickly, the skeleton can be accumulated efficiently, and further, the product separation can be performed efficiently for the next workpiece to be placed on the processing pallet. The present invention relates to a method and apparatus and a skeleton cart.

  Conventionally, when performing laser cutting of a plate-shaped workpiece, laser cutting may be performed by placing the workpiece horizontally on a plurality of workpiece support members such as sword mountain and skid provided in the processing pallet. . In this case, laser cutting is performed in a state in which the plate-shaped workpiece and the product that has been cut and separated are connected via a fine connecting portion (micro joint), and the micro joint is cut in a subsequent process to obtain the workpiece and the product. May be separated.

  In addition, after cutting and separating the workpiece and the product on the processing pallet, the workpiece and the product are simultaneously carried out by a fork that can freely enter between rows of workpiece support members such as sword mountains provided in the processing pallet. Yes.

  In the above-described conventional method, it is necessary to separate the workpiece (skeleton) from the product after the workpiece and the product are carried out from the processing pallet. There is a problem that a space for work is necessary.

  In view of this, it has also been proposed to separate a product and a skeleton by transferring a processing pallet on which a workpiece cut by a laser cutting machine is placed to a product separation device (for example, Patent Document 1). reference).

Japanese Patent Laid-Open No. 5-139514

  According to the invention described in Patent Document 1, although the skeleton and the product after the laser cutting process can be easily separated, the structure is complicated and the shape is separated such as turning the processing pallet upside down. There are problems such as mixing products with different dimensions.

  The present invention has been made in view of the conventional problems as described above, and is a product separation method for separating a plate-like workpiece product and a skeleton laser-cut by a laser cutting machine, on a processing pallet. (A) a step of performing a laser cutting process on the workpiece in a laser cutting machine, and moving the processing pallet to the skeleton separation position, and then moving up and down above the skeleton separation position. (B) a step of holding and lifting the skeleton by the skeleton separation unit prepared to be movable, and a height between the processing pallet and the skeleton separation unit in the raised state after lifting the skeleton from the processing pallet. In the vertical position, the skeleton collecting carriage that can freely enter and leave the skeleton separation position is moved from the retracted position to the skeleton separation position. And a step (c) of entering a fork provided at the lower part of the skeleton cart so as to be movable up and down to the lower side of the product on the processing pallet, and the skeleton on the skeleton cart positioned at the skeleton separation position. (D) placing the skeleton lifted by the separation unit; and lifting the fork to lift the product from the processing pallet; then, the skeleton carriage to a product accumulation position provided adjacent to the skeleton separation position And (e) the step of placing the product on the product receiving member provided at the product accumulation position.

  Further, in the product separation method, the machining pallet is moved to a position below the workpiece that has been picked up at a workpiece supply position provided on the opposite side of the laser cutting machine with the skeleton separation position in between (f ) Step, and after placing the next workpiece on the processing pallet, the step passes through the skeleton separation position and moves the processing pallet to the position of the laser cutting machine (g) step. It is characterized by having.

  A product separation device for separating a product of a plate-like workpiece laser-cut by a laser-cutting machine and a skeleton, on which the plate-like workpiece to be laser-cut by the laser cutting machine is placed A machining pallet that can reciprocate between a position corresponding to the laser cutting machine and a skeleton separation position, and a skeleton on the machining pallet that is provided at the skeleton separation position and that is located at the skeleton separation position. An intermediate height between the machining pallet and the skeleton separation unit that is movable and raised in a direction perpendicular to the moving direction of the machining pallet and the vertical movement direction of the skeleton separation unit. At the retracted position, the skeleton separation position and the skeleton separation position. A skeleton cart that can be moved to a product accumulation position, and a fork that is provided below the skeleton cart and that can enter the lower side of the product on the processing pallet and move up and down to lift the product. And a skeleton placing portion provided on an upper surface of the skeleton carriage for placing the skeleton.

  Further, in the product separating apparatus, a single piece taking device for taking a single piece of the next workpiece to be placed on the processing pallet on the opposite side of the laser cutting machine with the skeleton separating position in between. It is characterized by having a workpiece supply position that can be moved up and down.

  A skeleton cart used in the product separation device, wherein the skeleton is placed on the upper surface of the cart body that can reciprocate between a skeleton separation position for separating the product and the skeleton on the processing pallet and a retreat position. A skeleton mounting section for mounting, and a fork that can enter the lower side of the product supported by the processing pallet located at the skeleton separation position and can move up and down to lift the product, It is provided on the lower side.

  According to the present invention, the product and the skeleton on the processing pallet can be quickly separated, and the skeleton can be efficiently collected. In addition, the next workpiece can be efficiently placed on the processing pallet.

It is plane explanatory drawing which showed notionally and schematically the arrangement | positioning relationship between the product separation apparatus which concerns on embodiment of this invention, and a laser cutting processing machine. It is front explanatory drawing which showed notionally and schematically the structure of the said product separation apparatus. FIG. 3 is a cross-sectional explanatory view taken along line III-III in FIG. 2. It is effect | action explanatory drawing which shows operation | movement of the process pallet after a laser cutting process. It is an action explanatory view showing skeleton separation operation. It is an action explanatory view showing skeleton separation operation. It is effect | action explanatory drawing of the operation | movement which lifts and carries out a product from a process pallet. It is effect | action explanatory drawing of the operation | movement which supplies and mounts the next workpiece | work on a process pallet. It is effect | action explanatory drawing which shows the movement operation | movement of the process pallet to a laser cutting processing machine. It is effect | action explanatory drawing which shows the operation | movement of carry-out of the product.

  Hereinafter, a product separation device 3 according to an embodiment of the present invention will be described with reference to the drawings. A product separation device 3 that separates a product of a plate-shaped workpiece laser-cut by the laser cutting machine 1 and a skeleton, As conceptually and schematically shown in FIGS. 1 and 2, the laser cutting machine 1 is disposed adjacent to the X-axis direction. The laser cutting machine 1 includes a guide rail 7 that supports a processing pallet 5 that supports a plate-like workpiece W so as to be movable in the X-axis direction. A laser processing head 9 for performing laser cutting processing of the workpiece W on the processing pallet 5 is provided so as to be movable in the X, Y, and Z axis directions.

  In addition, since the structure of this kind of laser cutting machine 1 is an already well-known structure, the detailed description about the structure of the laser cutting machine 1 is abbreviate | omitted. The processing pallet 5 includes a plurality of wheels for moving on the guide rail 7 and a plurality of rows of a plurality of work support members 11 such as a sword mountain and a skid for supporting the work W. And since the structure of this kind of processing pallet 5 is also known, the detailed description about the structure of the processing pallet 5 is abbreviate | omitted.

  The product separating device 3 has a frame structure, and a skeleton separation for separating the product and the skeleton from the laser-cut workpiece W on the processing pallet 5 at a position adjacent to the laser cutting machine 1. Position 13 is provided. A workpiece supply position for supplying and placing the workpiece W to be processed next on the processing pallet 5 at a position opposite to the laser cutting machine 1 with the skeleton separation position 13 therebetween. 15 is provided.

  That is, the laser cutting machine 1, the skeleton separation position 13, and the workpiece supply position 15 are arranged linearly in the X-axis direction. A guide rail 17 that can be connected to the guide rail 7 in the laser cutting machine 1 is provided in the X-axis direction at the skeleton separation position 13 and the workpiece supply position 15 in the product separation device 3. Accordingly, the processing pallet 5 is movable and positionable to each position of the laser cutting machine 1, the skeleton separation position 13, and the workpiece supply position 15.

  The workpiece supply position 15 is provided with a single picking device 19 for placing and supplying a new next workpiece on the processing pallet 5 which has moved along the guide rail 17. More specifically, a material pallet 21 loaded with plate-like workpieces W is provided at the workpiece supply position 15 below the guide rail 17 so as to be able to enter and exit in the Y-axis direction. In the upper position of the guide rail 17, the one-piece picking device 19 provided with a plurality of suction tools 23 for sucking the uppermost workpiece W on the material pallet 21 is operated up and down such as a fluid pressure cylinder, for example. It can be moved up and down by the operation of a device (not shown).

  Therefore, when the material pallet 21 is positioned in the workpiece supply position 15, the uppermost workpiece W on the material pallet 21 is adsorbed by the adsorbing tool 23 by lowering the single picking device 19. However, it can be lifted to a position higher than the guide rail 17.

  Above the skeleton separation position 13, a skeleton separation unit 25 that is moved up and down by an operation of an appropriate vertical operation device (not shown) is provided so as to be movable up and down. The skeleton separation unit 25 includes an elevating frame 27 that can move up and down. The lifting frame 27 holds (grips) both side edges in the Y-axis direction of the workpiece W in a state of laser cutting on the processing pallet 5 moved and positioned at the skeleton separation position 13 from the outside in the Y-axis direction. A plurality of free skeleton clamps 29 are provided so as to be close to and away from each other in the Y-axis direction.

  The plurality of skeleton clamps 29 can freely enter and leave between the rows of the work support members 11 in the processing pallet 5, and are provided separately in the X-axis direction corresponding to the row intervals of the work support members 11. It has been. The plurality of skeleton clamps 29 simultaneously approach and separate in the Y-axis direction by the operation of an operating device (not shown) such as a ball screw mechanism including a fluid pressure cylinder, a left screw, and a right screw.

  Therefore, after the workpiece W on the processing pallet 5 is laser-cut by the laser cutting machine 1, the skeleton separation unit 25 is moved to the processing pallet when the processing pallet 5 is moved to the skeleton separation position 13. Lowers to a height position corresponding to 5. Then, when both side edges in the Y-axis direction of the workpiece W are clamped and lifted by a plurality of skeleton clamps 29 provided in the skeleton separation unit 25, only the skeleton can be lifted while leaving the product on the processing pallet 5. It is. That is, the product and the skeleton can be separated.

  A guide rail 33 (see FIG. 3) that is long in the Y-axis direction is provided at an intermediate height position between the skeleton separation unit 25 and the guide rail 17 that has risen most at the skeleton separation position 13. The guide rail 33 is provided long in the Y-axis direction across the product accumulation position 31 provided adjacent to the skeleton separation position 13 in the Y-axis direction and the retracted position 35 opposite to the product accumulation position 31. is there. The product accumulation position 31 is provided with a product receiving member 37 such as a product pallet or a product accumulation stand for accumulating and supporting the product WP separated from the workpiece W by laser cutting.

  A skeleton cart 39 is supported on the guide rail 33 so as to be movable in the Y-axis direction. The skeleton carriage 39 is connected to an endless timing belt (not shown) that is rotated forward and backward by a servo motor (not shown), for example, and is connected to the skeleton separation position 13, the product accumulation position 31, and the retreat position 35. It can be moved and positioned freely. On the upper surface of the skeleton carriage 39, a skeleton placement portion 43 for placing and supporting the skeleton 41 held by the skeleton separation unit 25 is provided.

  The skeleton cart 39 is provided with a fork 45 that can lift the product WP on the processing pallet 5 freely. More specifically, in the skeleton cart 39, one side of the Y-axis direction opposite to the product accumulation position 31 is moved up and down by an appropriate lifting and lowering operation device (not shown) such as a fluid pressure cylinder. A vertical operation member 47 is provided, and a plurality of forks 45 that are long in the Y-axis direction are supported on the vertical operation member 47 in a cantilever manner. The distance between the forks 45 in the X-axis direction is provided corresponding to the distance between the workpiece support members 11 in the processing pallet 5.

  Therefore, when the processing pallet 5 on which the product WP is placed is positioned at the skeleton separation position 13, the height position of the fork 45 is set in the state where the skeleton carriage 39 is positioned at the retreat position 35. The height is adjusted to a height position corresponding to the workpiece support member 11 in the processing pallet 5. When the skeleton carriage 39 is moved from the retreat position 35 to the skeleton separation position 13, the fork 45 enters between the workpiece support members 11 in the processing pallet 5.

  Therefore, after moving the skeleton carriage 39 to the skeleton separation position 13, the fork 45 is raised to lift the product WP from the processing pallet 5. Then, after the skeleton carriage 39 with the product WP supported on the fork 45 is moved and positioned to the product accumulation position 31, the product WP can be loaded on the product receiving member 37 by lowering the fork 45. Is.

  In the above configuration, as shown in FIG. 4, when laser cutting of the workpiece W on the processing pallet 5 is performed in the laser cutting machine 1, the processing pallet 5 is moved and positioned to the skeleton separation position 13. . As described above, when the processing pallet 5 is moved and positioned to the skeleton separation position 13, as shown in FIG. 5, the skeleton separation unit 25 in the raised state is lowered, and the skeleton clamp 29 provided in the skeleton separation unit 25 is lowered. Both side edges in the Y-axis direction of the workpiece W are clamped from the outside. Then, when the skeleton separation unit 25 is raised to the top, as shown in FIG. 6, the skeleton 41 is lifted and the product WP is left on the processing pallet 5.

  As described above, when the skeleton 41 is lifted from the processing pallet 5 and the skeleton 41 and the product WP are separated from each other, the skeleton carriage 39 that has been retreated to the retreat position 35 is separated as shown in FIG. Move to position 13. Then, the fork 45 provided in the skeleton cart 39 enters the lower side of the product WP on the processing pallet 5. Therefore, the product WP can be lifted from the processing pallet 5 by raising the fork 45. Then, when the skeleton separation unit 25 is lowered and the skeleton 41 is released from the skeleton 41, the skeleton 41 is loaded on the skeleton placement portion 43 of the skeleton carriage 39.

  As described above, the processing pallet 5 that has been emptied by lifting the product WP is, as shown in FIG. The workpiece W to be processed next is supplied and placed after being moved and positioned downward. Then, as shown in FIG. 9, the processing pallet 5 on which the next workpiece W is placed passes through the skeleton separation position 13 and is moved and positioned to the laser cutting machine 1 so that the next laser cutting processing is performed. become. Then, when the processing pallet 5 is sent to the laser cutting machine 1, the material pallet 21 is moved and positioned to a position below the single picking device 19, and one piece of the workpiece W to be processed next is taken.

  On the other hand, when the product WP is placed and lifted on the fork 45 as described above, the skeleton cart 39 moves to the product accumulation position 31 and loads the product WP on the product receiving member 37 as shown in FIG. To do. Thereafter, the skeleton carriage 39 is returned to the original retreat position 35 through the skeleton separation position 13 in a state where the skeleton 41 is loaded.

  Thereafter, when laser cutting of the workpiece W on the processing pallet 5 is performed, the operation as described above is repeated, the skeleton 41 and the product WP are separated, and the skeleton 41 is loaded on the skeleton cart 39. The product WP is loaded on the product receiving member 37 at the product accumulation position 31. Then, on the processing pallet 5 that has been emptied after the skeleton 41 and the product WP are carried out, the next work W that has been previously taken by the single picking device 19 at the work supply position 15 is placed. Become.

  As can be understood from the above description, the skeleton carriage 39 provided with the fork 45 for lifting the product WP on the processing pallet 5 movably up and down is moved to the skeleton separation position 13, the product accumulation position 31 and the retreat position 35. Space-saving can be achieved because the skeleton mounting portion 43 for loading the skeleton 41 on the skeleton carriage 39 is provided so as to be positioned freely.

  Further, the skeleton 41 can be lifted and carried out from the processing pallet 5 and the product WP can be lifted and carried out quickly, and the next workpiece W can be quickly placed and supplied onto the empty processing pallet 5. It is something that can be done. In other words, from the processing pallet 5, the unloading operation by separating the skeleton 41 and the product WP and the operation of supplying and placing the next workpiece on the empty processing pallet 5 can be performed quickly as a series of operations. Thus, the efficiency of laser cutting of the workpiece W can be improved.

  The present invention is not limited to the embodiment described above, and can be implemented in other forms by making appropriate changes. For example, a work (material) to be processed is placed on the skeleton carriage 39, and the single-piece taking device 19 is arranged above the skeleton separation position 13 instead of the skeleton separation unit 25. In addition, a skeleton separation unit 25 may be disposed instead of the single picking device 19 at the workpiece supply position 15, and a skeleton 41 may be loaded on the material pallet 21.

  In the above configuration, after laser cutting is performed in the laser cutting machine 1, the processing pallet 5 is moved and positioned to the lower position of the skeleton separation unit 25 arranged at the workpiece supply position 15, and the skeleton 41 is lifted and carried out. 41 and product WP are separated. Thereafter, after the processing pallet 5 with the product WP placed thereon is moved and positioned to the skeleton separation position 13, the skeleton carriage 39 is moved from the retreat position 35 to the skeleton separation position 13 and processed by the fork 45 as described above. Lift the product on the pallet 5.

  As described above, when the skeleton cart 39 is located at the skeleton separation position 13, the workpiece W loaded on the skeleton cart 39 is picked up by the single picking device 19 disposed above. Thereafter, after the skeleton carriage 39 has moved to the product accumulation position 31, the empty processing pallet 5 is moved and positioned at the skeleton separation position 13, and the one-sheet picking device 19 is lowered, and next onto the empty processing pallet 5. The workpiece W is supplied and mounted.

  Also in the said form, there can exist an effect similar to embodiment mentioned above.

DESCRIPTION OF SYMBOLS 1 Laser cutting machine 3 Product separation device 5 Processing pallet 13 Skeleton separation position 15 Work supply position 19 Single picking device 25 Skeleton separation unit 29 Skeleton clamp 31 Product accumulation position 35 Retraction position 37 Product receiving member 39 Skeleton cart 41 Skeleton 43 Skeleton Placement part 45 Fork 47 Vertical movement member

Claims (5)

A product separation method for separating a product of a plate-like workpiece laser-cut by a laser cutting machine and a skeleton,
(A) placing a plate-like workpiece on a processing pallet and performing laser cutting of the workpiece in a laser cutting machine;
(B) a step of moving the processing pallet to a skeleton separation position, and then holding and lifting the skeleton by a skeleton separation unit that can be moved up and down above the skeleton separation position;
(C) After lifting the skeleton from the processing pallet, the skeleton integrated carriage that can be moved into and out of the skeleton separation position at a height intermediate between the processing pallet and the skeleton separation unit in the raised state is A step of moving to a skeleton separation position and entering a fork that is freely movable up and down at the bottom of the skeleton cart to the lower side of the product on the processing pallet;
(D) placing the skeleton lifted by the skeleton separation unit on the skeleton carriage located at the skeleton separation position;
(E) After raising the fork and lifting the product from the processing pallet, the skeleton carriage is moved to a product accumulation position provided adjacent to the skeleton separation position, and a product receiving device provided at the product accumulation position is received. A process of placing a product on a member;
A product separation method comprising the steps of: The product separation method according to claim 1,
(F) a step of moving the processing pallet to a lower position of a work piece taken at a work supply position provided on the opposite side of the laser cutting machine with the skeleton separation position in between;
(G) after placing the next workpiece on the processing pallet, passing the skeleton separation position and moving the processing pallet to the position of the laser cutting machine;
A product separation method comprising the steps of: A product separating device for separating a product of a plate-shaped workpiece laser-cut by a laser cutting machine and a skeleton,
A plate-like workpiece that is laser-cut by the laser-cutting machine, and a processing pallet that can reciprocate between a position corresponding to the laser-cutting machine and a skeleton separation position;
A skeleton separation unit that is provided at the skeleton separation position and is capable of holding and lifting the skeleton on the processing pallet located at the skeleton separation position;
The retraction position and the skeleton at an intermediate height position between the machining pallet and the skeleton separation unit that is movable and raised in a direction perpendicular to the movement direction of the machining pallet and the vertical movement direction of the skeleton separation unit A skeleton carriage movable to a separation position and a product accumulation position provided adjacent to the skeleton separation position;
A fork that is provided on the lower side of the skeleton cart, is capable of entering the lower side of the product on the processing pallet and is movable up and down to lift the product;
A skeleton placement portion provided on the upper surface of the skeleton carriage to place the skeleton;
A product separation device comprising:   4. The product separating apparatus according to claim 3, wherein one piece for taking a next workpiece to be placed on the processing pallet is placed on the opposite side of the laser cutting machine with the skeleton separating position in between. A product separation device comprising a workpiece supply position having a pick-up device that can move up and down.   A skeleton cart used in the product separation device according to claim 3 or 4, wherein the cart body is capable of reciprocating between a skeleton separation position and a retreat position for separating the product and the skeleton on the processing pallet. A skeleton placing portion for placing the skeleton on the upper surface, and a fork that can enter the lower side of the product supported by the processing pallet located at the skeleton separation position and move up and down to lift the product. A skeleton cart provided on the lower side of the cart body.

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