JP5272515B2 - Nesting apparatus and plate material processing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a nesting device capable of performing the nesting in which remainder material of a plate can be conveyed stably when conveying reusable remainder material of a plate to a stocker when processing is made by a plate processing machine provided with a stocker. <P>SOLUTION: The nesting device can be applied to creation of control data 44 for a plate processing machine 31 provided with a stocker 35. A reference position setting means 5 is provided in which a side Wa or an angle Wb far from the stocker 35 is set as a reference position A in a state that a plate material W is arranged on a table 32 of the plate processing machine 31. A nesting means 4 is provided for sequentially arranging drawings Gm of the plate parts m by moving them toward the reference position A side according to a setting rule R with respect to the drawing of the plate material W. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a nesting apparatus and a plate material processing method applied when a plate material processing machine such as a punch press performs a process of cutting a plurality of component plate materials from a material plate material.

A plate material processing machine such as a punch press or a laser processing machine may perform a process of cutting a plurality of component plate materials from the material plate material. When creating a control program for a plate material processing machine that performs such processing, nesting, which is processing for determining the arrangement of each component plate material with respect to the material plate material, is performed. Nesting is performed according to a setting rule by an automatic programming device or the like. When such nesting is performed, any side or corner of the material plate material is defined as a reference position for arrangement, and a plurality of component plate materials are sequentially arranged close to the reference position. Which side or corner is used as the reference position is arbitrarily designated by the operator.
JP-A-10-289010 JP 2007-52622 A

When a component plate material is cut out from the material plate material, the number of component plate materials to be cut out is small, and a large surplus portion may be generated in the material plate material. A plate material having such a large surplus portion can be reused as a raw material, but is limited to reusable cases, and must be stored until such a case occurs. For this reason, in the past, the processing efficiency was emphasized, and the plate material having a large excess portion was discarded as an end material, resulting in a waste of resources.
In order to eliminate such waste of resources and alleviate the reduction in processing efficiency, we proposed a stocker that is attached to the table of the plate processing machine and stores the plate with the above-mentioned surplus parts. (Japanese Patent Application No. 2007-115163).

  Conventionally, however, the operator has arbitrarily designated the nesting arrangement reference position as described above. In addition, when managing the processed end material with the stocker, it is necessary to grip the plate material with the gripper when carrying it out from the plate material processing machine to the stocker, and when any of the above arrangement reference positions is nested In addition, a component plate material may be disposed on the side to be gripped. When the component plate material is arranged on such a gripping side, the rigidity of the end material after the cutting process of the component plate material is lost, and there is a possibility that it cannot be stably carried out.

An object of the present invention is to provide a nesting apparatus capable of nesting capable of stably transporting end material plate materials when transporting reusable end material plate materials to the stocker when processing with a plate material processing machine provided with a stocker. Is to provide.
Another object of the present invention is to enable nesting capable of stably carrying in and positioning the end material plate material even when carrying it from the stocker to the plate material processing machine.
A further object of the present invention is to provide a plate material processing method capable of stably conveying an end plate material when conveying a reusable end material plate material to the stocker when processing with a plate material processing machine provided with a stocker. That is.

The nesting device according to the present invention is applied to creation of control data (44) of a plate material processing machine (31) provided with a stocker (35) for storing a plate material (W), and a rectangular material plate material (W) figure ( GW), a figure (Gm) of a plurality of component plate materials (m) cut out from the material plate material (W), with a predetermined side or corner of the material plate material (W) as a reference position (A), its reference A nesting device that sequentially arranges toward the position side (A),
In a state where the raw material plate material (W) is arranged on the table (32) of the plate material processing machine (31), the side (Wa) or the corner (Wb) on the side far from the stocker (35) is set to the reference position ( For the reference position setting means (5) set as A) and the figure (GW) of the material board (W), the figure (Gm) of the component board (m) is set according to the setting rule (R). And nesting means (4) arranged sequentially toward the reference position side (A). The side (Wa) or corner (Wb) on the far side is the farthest side or farthest corner from the stocker (35) in the rectangular material plate (W). If the furthest corners there are two, but it may also be any of the corners of them.
However, the plate material processing machine (31) grips the front edge of the material plate material (W) with the work holder (33a) and moves the material plate material W back and forth on the table (32) by moving the work holder (33a). A plate material feeding mechanism (33) for feeding in the (Y-axis direction) and right and left (X-axis direction) is provided. The stocker (35) is attached to the side of the table (32) of the plate material processing machine (31).

  According to the nesting device having this configuration, the component plate material (m) is moved toward the reference position (A) at the side (Wa) or the corner (Wb) on the side far from the stocker (35) in the material plate material (W). A figure (Gm) is arranged. Therefore, when nesting in which a reusable excess portion (W0) is generated in the material plate material (W) is performed, the end material plate material (W), which is the material plate material (W) processed according to the nesting, is stored in the stocker. An unprocessed surplus portion (W0) is generated in a portion close to (35). When the end material plate (W) on the plate material processing machine (31) is carried out to the stocker (35), it is gripped by the gripper (41) or the like and pulled into the stocker (35). Since an unprocessed surplus portion (W0) is generated in the portion close to (35), the problem of insufficient rigidity of the end plate (W) does not occur when drawing as described above, and the end plate ( W0) can be carried.

In the nesting device of the present invention, the stocker (35) grips the plate material (W) carried out from the stocker (35) and positions it relative to the table (32) of the plate material processing machine (31) ( 42), the nesting means (4) arranges the figure (Gm) of the component plate material (m) while avoiding the set gripping area (E1) gripped by the positioning tool (42). It is good as a thing. The positioning tool (42) is a suction tool that sucks the upper surface of the plate (W) with, for example, a vacuum suction pad (42a).
In the case of the nesting device having this configuration, the set gripping region (E1) to be gripped by the positioning tool (42) of the stocker (35) remains on the end material plate (W). Therefore, using this set gripping area (E1), gripping, transporting and positioning can be performed, and stable loading of the end plate (W) is possible even when loading from the stocker (35) to the plate processing machine (31). , Positioning can be performed.

The plate material processing method of the present invention is a method of sequentially cutting a plurality of component plate materials from a rectangular material plate material using a plate material processing machine provided with a stocker for storing the plate material, and the material on the plate material processing machine of the plate, as a reference position the edge or corner of the side farther from the stocker, a plurality of component plate members, first from the component plate closer to the reference position, you wherein the cutting sequence. However, the plate material processing machine includes a plate material feeding mechanism that grips the front edge of the material plate material with a work holder and moves the material plate material back and forth and left and right on the table by the movement of the work holder, the stocker It is attached to the side of the table of the plate material processing machine .
According to the plate material processing method this, in a manner similar to that explained nesting apparatus of the present invention, when unloading the scraps plate on the plate material processing machine to the stocker, the end material sheet, raw in a portion close to the stocker The excess portion is generated, and the problem of insufficient rigidity of the end material plate material does not occur, and the end material plate material can be stably conveyed.

The nesting device according to the present invention is applied to the creation of control data for a plate material processing machine provided with a stocker for storing plate materials, and a plurality of component plate material figures to be cut out from the material plate material with respect to a rectangular material plate material figure. A nesting device in which a predetermined side or corner of the material plate material is used as a reference position, and is sequentially arranged close to the reference position side , wherein the plate material processing machine uses a front edge of the material plate material as a work holder Is provided with a plate material feed mechanism that feeds the material plate material back and forth and left and right on the table by the movement of the work holder, the stocker is attached to the side of the table of the plate material processing machine, this nesting device, in a state where the front SL material work sheet is placed on the plate material processing machine table, the reference position of the edges or corners of the side farther from the stocker and set as the reference position Since it comprises setting means and nesting means for sequentially arranging the figure of the component board material toward the reference position side in accordance with the setting rule with respect to the figure of the material board material, the reusable end material board material is stocked. Nesting is performed so that the end plate can be transported stably.
The stocker has a positioning tool that grips the plate material carried out from the stocker and positions the plate material with respect to the table of the plate material processing machine, and avoids a setting gripping area in which the nesting means is gripped by the positioning tool. In the case where the figure of the component plate material is arranged, nesting that enables stable loading and positioning of the end material plate material is possible even when the stocker is carried into the plate material processing machine.

The plate material processing method of the present invention is a method of sequentially cutting a plurality of component plate materials from a rectangular material plate material using a plate material processing machine provided with a stocker for storing the plate material , wherein the plate material processing machine A plate material feed mechanism is provided that grips the front edge of the material plate material with a work holder and feeds the material plate material back and forth and left and right on the table by the movement of the work holder, and the stocker is on the side of the table of the plate material processing machine. is attached towards, the plate material processing method, a raw plate material that is on the plate material processing machine, as a reference position the edge or corner of the side farther from the stocker, a plurality of parts plate material parts plate material close to the reference position Since this method is characterized by cutting sequentially, the recycleable end material plate material can be stably conveyed when the reusable end material plate material is conveyed to the stocker.

  An embodiment of the present invention will be described with reference to FIGS. A plate material processing machine to which the nesting device and the plate material processing method of this embodiment are applied will be described. The plate material processing machine 31 is a processing machine capable of cutting the component plate material m from the plate material W as a material, and includes a punch press or a laser processing machine. In the illustrated example, the plate material processing machine 31 is a turret type punch press. The plate material processing machine 31 grips the edge of the material plate material W with the work holder 33a, and sends the material plate material W back and forth (Y-axis direction) and left and right (X-axis direction) on the table 32 by the movement of the work holder 33a. A plate material feeding mechanism 33 and a processing head 34 for processing the material plate material W positioned by the plate material feeding mechanism 33 at a predetermined processing position P are provided. When the plate material processing machine 31 is a punch press, the processing head 34 is composed of a ram that moves the punch tool up and down and its lifting drive mechanism, and when the plate material processing machine 31 is composed of a laser processing machine, it is composed of a laser head.

  The plate material processing machine 31 is adjacent to the side of the table 32 in addition to a plate material conveying device (not shown) for carrying the material plate material W onto the table 32 and carrying out the processed component plate material m. A stocker 35 for storing the plate material W is attached. The plate material W to be stored is a plate material serving as an end material that can be reused by cutting out the component plate material m from a part of the material plate material W.

  The stocker 35 is provided with a stocker main body 36 having a plurality of storage shelves (not shown) for storing one sheet of the sheet material W at each stage, and can be driven up and down along the front surface of the stocker main body 36. And an elevator 37 for loading / unloading the plate material W to / from the storage shelf and a plate material loading / unloading mechanism 38 for loading / unloading the plate material to / from the plate material processing machine 31. The plate material loading / unloading mechanism 38 loads and unloads the plate material W between the elevator 37 and the table 32 of the plate material processing machine 31.

  The plate material loading / unloading mechanism 38 includes a rail 39 provided along the arrangement direction of the stocker 35 and the plate material processing machine 1, and a traveling body 40 that travels along the rail 39. The traveling body 40 includes a plurality of grippers 41 that are used to pull out the plate material W from the plate material processing machine 31 and a plurality of grippers 41 that are carried out of the stocker 35 and that are positioned with respect to the table 32 of the plate material processing machine 31. The positioning tool 42 is provided. The gripper 41 grips the end of the plate material W on the stocker 35 side.

  The positioning tool 42 includes a vacuum suction pad 42a that sucks the upper surface of the plate material 42, and the suction pad 42a obliquely toward the work holder 33a side of the plate material feeding mechanism 33 of the plate material processing machine 31 and toward the stocker 35 side. It is composed of a pad advance / retreat mechanism 42b such as a cylinder device to be moved. The positioning tool 42 sucks the plate material W on the elevator 37 of the stocker 35 with the suction pad 42a, carries it on the table 32 by the traveling of the traveling body 40, and then performs the above-described oblique movement by the pad advance / retreat mechanism 42b. The two adjacent sides of the plate material W are pressed against the work holder 33a and an end locator (not shown) provided so as to be able to project and retract at the end of the table 32 on the stocker side.

  The plate material processing machine 1 is controlled by executing a processing program 44 by a processing machine control device 43 including a computer-type numerical control device (NC device).

The nesting device of this embodiment is provided as a part of the automatic programming device 1 that creates the machining program 44.
The automatic programming device 1 includes the following part shape storage means 2, material shape storage means 3, nesting means 4, reference position setting means 5, gripping area setting means 6, gripper area setting means 7 according to a computer and a program executed by the computer. , And execution NC data converting means 8 are configured.

The part shape storage means 2 is means for storing part shape data F1 indicating the shape and dimensions of a part figure Gm, which is a planar figure of each part board m cut out from the material board W. The component shape storage means 3 stores component shape data F1 for the types that are nested together at one time. With respect to the component plate material W having the same shape, the number of pieces of data may be added with the component shape data F1 as one, or the component shape data F1 may be provided for each piece.
The material shape storage means 3 is a means for storing material shape data F0, which is data on the shape and dimensions of the material plate W.

  The nesting means 4 is means for arranging the figure Gm of the component board material m in accordance with the setting rule R with respect to the figure GW of the material board material W and outputting nesting result data F2 as a result of the arrangement. When the plate material processing machine 31 is a punch press, a tool placement process for determining the placement of punch tools used for machining the outer periphery is performed around the figure Gm of each component plate material m in the nesting result, or a nesting process is performed. Before the above, a tool placement process is performed around the figure Gm of each component plate m to determine the arrangement of punch tools used for processing the outer periphery, and nesting is performed using the figure Gm of the component plate m on which the tool is arranged. Do.

  The execution NC data converting means 8 is a means for creating a processing program 44 in an executable format from the nesting result data F2. When the plate material processing machine 31 is a punch press, the processing program 44 is created from the nesting result data F2 subjected to the tool placement processing as described above.

  The reference position setting means 5 is a means for determining a reference position A for the arrangement of the component plate materials m when performing the nesting process. The reference position setting means 5 sets, as the reference position A, the side Wa or the corner Wb on the side far from the stocker 35 in the material plate material W in a state where the material plate material W is arranged on the table of the plate material processing machine 31. To do. The reference position A is a reference position for placing the component plate material m close to each other, and is not necessarily the origin of the coordinate position of the material plate material W. The origin of the coordinate position may be the reference position A or another position, for example, a corner on the stocker 35 side and the front side (work holder 33a side). The “side Wa on the side far from the stocker 35” refers to the side farthest from the stocker 35 among the four sides of the rectangular material plate W. The “angle Wb on the side far from the stocker 35” refers to the corner that is the farthest from the stocker 35 among the four corners of the rectangular material plate W. If there are two corners farthest from the stocker 35 as in the example of the figure, any one of the two corners may be used. For example, as the corner farthest from the work holder 33a, Also good.

  The gripping area setting means 6 is a means for setting a set gripping area E1 on the material plate material W as an area for gripping by the positioning tool 42 of the stocker 35. The set gripping area E1 may be arbitrarily determined, but at least is set to a range wider than the range to be sucked by the suction pad 42a of the positioning tool 42.

  The gripper area setting means 7 is a means for setting a set gripper area E2 which is an area for gripping by the gripper 41 of the stocker 35 on the material plate W. The set gripper region E2 may be arbitrarily determined, but is set to a range wider than at least the range gripped by the gripper 41.

  The nesting means 4 will be described in detail. The setting rule R is a rule that defines various conditions for performing the nesting process. The setting rule R may be arbitrarily set. However, the setting rule R may be a rule that does not place the part figure Gm at the positions related to the setting gripping area E1 and the setting gripper area E2. A rule is provided to place each component graphic Gm close to the reference position A. The approach to the reference position A means that, when a surplus portion W0 where the part figure Gm is not arranged on the figure GW of the material plate material W is generated, the part figure Gm is moved as far as possible to the reference position A, so The arrangement is such that the remainder W0 occurs. In addition to the above, the setting rule R includes, in addition to the above, a rule that does not place the component graphic Gm at a position related to the set outer peripheral area E3 of the graphic GW of the material plate W, a rule that minimizes the yield, and between adjacent component graphics Gm. Rules are established that define the minimum gaps that can be opened. The nesting means 4 arranges the component figure Gm at a position where all the above rules in the setting rule R are satisfied.

According to the nesting apparatus having this configuration, the graphic Gm of the component board m is arranged close to the reference position A that is the side Wa or the corner b on the side farther from the stocker 35 in the material board W. Therefore, when nesting in which a reusable extra portion W0 is generated in the raw material plate W, the end material plate material, which is the raw material plate W that has been processed in accordance with the nesting, is an unprocessed remainder in a portion close to the stocker 35. The portion W0 is generated.
For example, the material plate material W carried into the plate material processing machine 31 as shown in FIG. 2 (A) is processed such that the part that becomes the component plate material m is cut out as shown in FIG. An unprocessed surplus portion W0 is generated in the portion.

  When the end material plate material W having the above-described surplus portion W0 on the plate material processing machine 31 is carried out to the stocker 35, it is gripped by the gripper 41 and pulled into the stocker 35. At this time, since the unprocessed surplus portion W0 is generated in the portion close to the stocker 35 as described above, the problem of insufficient rigidity of the end material plate material W does not occur when it is pulled in as described above, and the end material is stably provided. The plate material W can be conveyed.

Further, according to the nesting device having the above-described configuration, the set gripping region E1 gripped by the positioning tool 42 of the stocker 35 is left on the end member plate material W in a state where the component plate material m is not arranged. Therefore, suction, conveyance, and positioning can be performed using the set gripping area E1. For this reason, even when loading from the stocker 35 to the plate material processing machine 31, stable loading and positioning of the end material plate material W can be performed.
In the end material plate W, the set gripper region E2 is also left without the component plate material m, so that the gripper 41 can be held and pulled into the stocker 35 with certainty.

Further, in the plate material processing method of this embodiment, a plurality of component plate materials m are set to the reference position A with the side Wa or the corner Wb on the side far from the stocker 35 of the material plate material W on the plate material processing machine 31 as the reference position A. The component plate material m close to the position A is sequentially cut out first.
Therefore, as described above, when the end material plate material W on the plate material processing machine 35 is carried out to the stocker 35, the end material plate material W has an unprocessed surplus portion W0 in a portion close to the stocker 35. The problem of insufficient rigidity of the end material plate material W does not occur, and the end material plate material W can be conveyed stably.

It is explanatory drawing which combined the block diagram which shows the conceptual structure of the automatic programming apparatus containing the nesting apparatus which concerns on one Embodiment of this invention, and the top view of a board | plate material processing machine. It is explanatory drawing of the board | plate material processing method in the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Automatic programming apparatus 2 ... Part shape memory | storage means 3 ... Material shape memory | storage means 4 ... Nesting means 5 ... Reference | standard position setting means 6 ... Grasping area setting means 7 ... Gripper area setting means 8 ... Execution NC data conversion means 31 ... Plate material processing Machine 33a ... Work holder 32 ... Table 35 ... Stocker 38 ... Plate material loading / unloading mechanism 41 ... Gripper 42 ... Positioning tool 42a ... Suction pad A ... Reference position E1 ... Setting gripping region E2 ... Setting gripper region E3 ... Setting outer peripheral region GW ... Material plate material Figure Gm ... Part figure m ... Part plate material W ... Plate material W0 ... Remaining portion Wa ... Side Wb ... Square WG ... Material plate material figure

Claims (3)

It is applied to the creation of control data for a plate processing machine with a stocker for storing the plate material, and a plurality of component plate figures to be cut out from the material plate material with respect to the shape of the rectangular material plate material A nesting device that sequentially arranges a side or a corner as a reference position and approaches the reference position side ,
The plate material processing machine includes a plate material feeding mechanism that grips a front edge of the material plate material with a work holder and moves the material plate material back and forth and left and right on a table by the movement of the work holder, and the stocker includes the plate material Attached to the side of the table of the processing machine,
The nesting apparatus, in a state where front SL material work sheet is placed on the plate material processing machine table, and the reference position setting means sets the edges or corners of the side farther from the stocker as the reference position, of the material sheet A nesting device comprising: nesting means for sequentially arranging the figure of the component plate material toward the reference position side according to a setting rule with respect to the figure.   The stocker has a positioning tool for gripping a plate material carried out from the stocker and positioning the plate material with respect to a table of the plate material processing machine, and the nesting means avoids a set gripping region gripped by the positioning tool. The nesting device according to claim 1, wherein the figure of the component plate material is arranged. A method of sequentially cutting a plurality of component plate materials from a rectangular material plate material using a plate material processing machine provided with a stocker for storing the plate material , wherein the plate material processing machine removes a front edge of the material plate material. A plate material feed mechanism that grips with a work holder and moves the material plate material back and forth and right and left on the table by movement of the work holder, the stocker is attached to the side of the table of the plate material processing machine,
The sheet processing method, the material sheet that is on the plate material processing machine, as a reference position the edge or corner of the side farther from the stocker, a plurality of component plate members, first from the component plate closer to the reference position, sequentially A plate material processing method characterized by cutting.

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