JP2009282802A - Nesting device and plate processing method - Google Patents

Nesting device and plate processing method Download PDF

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JP2009282802A
JP2009282802A JP2008134950A JP2008134950A JP2009282802A JP 2009282802 A JP2009282802 A JP 2009282802A JP 2008134950 A JP2008134950 A JP 2008134950A JP 2008134950 A JP2008134950 A JP 2008134950A JP 2009282802 A JP2009282802 A JP 2009282802A
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plate material
plate
stocker
processing machine
reference position
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JP5272515B2 (en
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Hitoshi Tamamura
仁 玉村
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Murata Machinery Ltd
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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&INPIT

Description

この発明は、パンチプレス等の板材加工機で、素材板材から複数の部品板材を切り取る加工を行う場合に適用されるネスティング装置および板材加工方法に関する。   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.

パンチプレスやレーザ加工機等の板材加工機により、素材板材から複数の部品板材を切り取る加工を行うことがある。このような加工を行う板材加工機の制御プログラムを作成するに際して、素材板材に対する各部品板材の配置を定める処理であるネスティングが行われる。ネスティングは、自動プログラミング装置等により設定規則に従って行われる。 このようなネスティングを行う場合、素材板材のいずれかの辺や角を配置の基準位置として定め、その基準位置に寄せて複数の部品板材を順次配置する。どの辺や角を基準位置とするかは、オペレータが任意に指定している。
特開平１０−２８９０１０号公報 特開２００７−５２６２２号公報 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

素材板材から部品板材を切り取った場合に、部品板材の切り取り枚数が少なくて、素材板材に大きな余り部分が生じることがある。このような大きな余り部分が生じた板材は、素材として再度の利用が可能であるが、再利用できる場合が限られ、そのような場合が生じるまで保管する必要がある。このため、従来は加工効率を重視し、大きな余り部分が生じた板材も、端材として廃棄しており、資源の無駄が生じていた。
このような資源の無駄を無くし、また加工効率の低下を緩和するものとして、板材加工機のテーブルに隣接して、上記のような余り部分が生じた板材を保管するストッカを付設したものを提案した（特願２００７−１１５１６３号）。 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).

しかし、従来は上記のように、ネスティングの配置基準位置をオペレータが任意に指定して実施している。また、加工後の端材をストッカで管理する場合は、板材加工機からストッカへ搬出するときにグリッパーで板材を把持する必要があり、上記のような任意の配置基準位置のネスティングがなされたときに、把持する側に部品板材が配置されることがある。このような把持側に部品板材の配置が行われた場合、その部品板材の切り取り加工後の端材の剛性がなくなり、安定して搬出できない可能性がある。   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.

この発明の目的は、ストッカを付設した板材加工機で加工する場合に、再利用可能な端材板材をストッカへ搬送するにつき、安定して端材板材の搬送が行えるネスティングが可能なネスティング装置を提供することである。
この発明の他の目的は、ストッカから板材加工機への搬入時にも、端材板材の安定した搬入，位置決めを行えるネスティングを可能とすることである。
この発明のさらに目的は、ストッカを付設した板材加工機で加工する場合に、再利用可能な端材板材をストッカへ搬送するにつき、安定して端材板材の搬送が行える板材加工方法を提供することである。 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.

この発明のネスティング装置は、板材（Ｗ）を保管するストッカ（３５）を付設した板材加工機（３１）の制御用データ（４４）の作成に適用され、矩形の素材板材（Ｗ）の図形（ＧＷ）に対して、前記素材板材（Ｗ）から切り取る複数の部品板材（ｍ）の図形（Ｇｍ）を、前記素材板材（Ｗ）の所定の辺または角を基準位置（Ａ）として、その基準位置側（Ａ）に寄せて順次配置して行くネスティング装置であって、
前記素材板材（Ｗ）が板材加工機（３１）のテーブル（３２）上に配置された状態で、前記ストッカ（３５）から遠い側となる辺（Ｗａ）または角（Ｗｂ）を前記基準位置（Ａ）として設定した基準位置設定手段（５）と、前記素材板材（Ｗ）の図形（ＧＷ）に対して、前記部品板材（ｍ）の図形（Ｇｍ）を、設定規則（Ｒ）に従い、前記基準位置側（Ａ）に寄せて順次配置するネスティング手段（４）とを備えることを特徴とする。上記の遠い側となる辺（Ｗａ）または角（Ｗｂ）とは、矩形の素材板材（Ｗ）における、ストッカ（３５）から最も遠い辺または最も遠い角である。最も遠い角が２つある場合は、そのうちのいずれの角であっても良い。 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 there are two farthest corners, any of them may be used.

この構成のネスティング装置によると、素材板材（Ｗ）における、ストッカ（３５）から遠い側となる辺（Ｗａ）または角（Ｗｂ）となる基準位置（Ａ）に寄せて、部品板材（ｍ）の図形（Ｇｍ）が配置される。そのため、素材板材（Ｗ）に再利用可能な程度の余り部分（Ｗ０）が生じるネスティングがなされた場合、そのネスティングに従って加工が完了した素材板材（Ｗ）である端材板材（Ｗ）は、ストッカ（３５）に近い部分に未加工の余り部分（Ｗ０）が生じることになる。板材加工機（３１）上の端材板材（Ｗ）をストッカ（３５）へ搬出する場合は、グリッパ（４１）等で把持してストッカ（３５）へ引き込むことになるが、上記のようにストッカ（３５）に近い部分に未加工の余り部分（Ｗ０）が生じているため、上記のように引き込むにつき、端材板材（Ｗ）の剛性不足の問題が生じず、安定して端材板材（Ｗ０）の搬送を行うことができる。   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.

この発明のネスティング装置において、前記ストッカ（３５）が、このストッカ（３５）から搬出した板材（Ｗ）を把持して前記板材加工機（３１）のテーブル（３２）に対して位置決めする位置決め具（４２）を有するものである場合に、前記ネスティング手段（４）は、前記位置決め具（４２）で把持する設定把持領域（Ｅ１）を回避して部品板材（ｍ）の図形（Ｇｍ）を配置するものとしても良い。上記位置決め具（４２）は、例えば真空吸着パッド（４２ａ）等で板材（Ｗ）の上面を吸着する吸着具である。
この構成のネスティング装置の場合、端材板材（Ｗ）に、ストッカ（３５）の位置決め具（４２）で把持する設定把持領域（Ｅ１）が残される。そのため、この設定把持領域（Ｅ１）を利用して、把持、搬送、および位置決めが行え、ストッカ（３５）から板材加工機（３１）への搬入時にも、端材板材（Ｗ）の安定した搬入，位置決めを行うことができる。 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.

この発明の板材加工方法は、板材を保管するストッカを付設した板材加工機を用いて、矩形の素材板材から複数の部品板材を順次切り取る加工を行う方法であって、板材加工機上にある素材板材の、ストッカから遠い側となる辺または角を基準位置として、前記複数の部品板材を、前記基準位置に近い部品板材から先に、順次切り取ることを特徴とする。
この板材加工方法によると、この発明のネスティング装置につき説明したと同様に、板材加工機上の端材板材をストッカへ搬出するときに、端材板材には、ストッカに近い部分に未加工の余り部分が生じていて、端材板材の剛性不足の問題が生じず、安定して端材板材の搬送を行うことができる。 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 The plurality of component plate materials are sequentially cut out first from the component plate material close to the reference position, with the side or corner of the plate material on the side far from the stocker as a reference position.
According to this plate material processing method, as described with respect to the nesting device of the present invention, when the end material plate material on the plate material processing machine is carried out to the stocker, the end material plate material has an unprocessed remainder in a portion close to the stocker. The part has arisen, the problem of insufficient rigidity of the end material plate material does not occur, and the end material plate material can be stably conveyed.

この発明のネスティング装置は、板材を保管するストッカを付設した板材加工機の制御用データの作成に適用され、矩形の素材板材の図形に対して、前記素材板材から切り取る複数の部品板材の図形を、前記素材板材の所定の辺または角を基準位置として、その基準位置側に寄せて順次配置して行くネスティング装置であって、前記素材板材が板材加工機のテーブル上に配置された状態で、前記ストッカから遠い側となる辺または角を前記基準位置として設定した基準位置設定手段と、前記素材板材の図形に対して、前記部品板材の図形を、設定規則に従い、前記基準位置側に寄せて順次配置するネスティング手段とを備えるため、再利用可能な端材板材をストッカへ搬送するにつき、安定して端材板材の搬送が行えるネスティングがなされる。
前記ストッカが、このストッカから搬出した板材を把持して前記板材加工機のテーブルに対して位置決めする位置決め具を有するものであって、前記ネスティング手段を、前記位置決め具で把持する設定把持領域を回避して部品板材の図形を配置するものとした場合は、ストッカから板材加工機への搬入時にも、端材板材の安定した搬入，位置決めが行えるネスティングが可能となる。 The nesting device according to the present invention is applied to creation of control data for a plate material processing machine provided with a stocker for storing plate materials, and a figure of a plurality of component plate materials cut out from the material plate material with respect to a shape of a rectangular material plate material. , A nesting device that sequentially arranges a predetermined side or corner of the material plate material as a reference position and moves toward the reference position side, wherein the material plate material is arranged on a table of a plate material processing machine, The reference position setting means that sets the side or corner on the side far from the stocker as the reference position, and the figure of the component plate material is moved toward the reference position side according to the setting rule with respect to the figure of the material plate material Nesting means that can stably transport the end material plate material when transporting the reusable end material plate material to the stocker. .
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.

この発明の板材加工方法は、板材を保管するストッカを付設した板材加工機を用いて、矩形の素材板材から複数の部品板材を順次切り取る加工を行う方法であって、板材加工機上にある素材板材の、ストッカから遠い側となる辺または角を基準位置として、前記複数の部品板材を、前記基準位置に近い部品板材から先に、順次切り取ることを特徴とする方法であるため、再利用可能な端材板材をストッカへ搬送するにつき、安定して端材板材の搬送を行うことができる。   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 Recyclable because it is a method characterized by cutting out the plurality of component plate materials in order from the component plate material close to the reference position, with the side or corner of the plate material that is far from the stocker as the reference position. When transporting an end material plate material to the stocker, the end material plate material can be stably conveyed.

この発明の一実施形態を図１および図２と共に説明する。この実施形態のネスティング装置および板材加工方法を適用する板材加工機につき説明する。板材加工機３１は、素材となる板材Ｗから部品板材ｍを切り取る加工が可能な加工機であり、パンチプレスまたはレーザ加工機等からなる。図示の例では、板材加工機３１はタレット式のパンチプレスである。この板材加工機３１は、素材板材Ｗの縁部をワークホルダ３３ａで把持してワークホルダ３３ａの移動により素材板材Ｗをテーブル３２上で前後（Ｙ軸方向）および左右（Ｘ軸方向）に送る板材送り機構３３と、この板材送り機構３３で位置決めされた素材板材Ｗを所定の加工位置Ｐで加工する加工ヘッド３４とを備える。加工ヘッド３４は、板材加工機３１がパンチプレスの場合は、パンチ工具を昇降させるラムおよびその昇降駆動機構からなり、板材加工機３１がレーザ加工機からなる場合は、レーザヘッドからなる。   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.

板材加工機３１には、テーブル３２上への素材板材Ｗの搬入、および加工された部品板材ｍの搬出を行う板材搬送装置（図示せず）の他に、テーブル３２の側方に隣接して、板材Ｗを保管するストッカ３５が付設されている。保管する板材Ｗは、素材板材Ｗの一部に部品板材ｍが切り抜かれて再利用が可能な端材となる板材である。   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.

ストッカ３５は、板材Ｗを各段に１枚ずつ保管する複数段の保管棚（図示せず）を有するストッカ本体３６と、このストッカ本体３６の前面に沿って昇降駆動可能に設けられて各段の保管棚に対して板材Ｗを出し入れするエレベータ３７と、板材加工機３１に対して板材を搬入搬出する板材出し入れ機構３８とを備える。板材出し入れ機構３８は、エレベータ３７と板材加工機３１のテーブル３２との間で板材Ｗの出し入れを行う。   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.

板材出し入れ機構３８は、ストッカ３５と板材加工機１の並び方向に沿って設けられたレール３９と、このレール３９に沿って走行する走行体４０とを備える。この走行体４０には、板材加工機３１からの板材Ｗの引出しに用いられる複数のグリッパ４１と、ストッカ３５から搬出した板材Ｗを把持して板材加工機３１のテーブル３２に対して位置決めする複数の位置決め具４２とを有する。グリッパ４１は、板材Ｗのストッカ３５側の端部を把持するものである。   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.

位置決め具４２は、板材４２の上面を吸着する真空式の吸着パッド４２ａと、この吸着パッド４２ａを、板材加工機３１の板材送り機構３３のワークホルダ３３ａ側でかつストッカ３５側へ向かって斜めに移動させるシリンダ装置等のパッド進退機構４２ｂとでなる。位置決め具４２は、ストッカ３５のエレベータ３７上の板材Ｗを吸着パッド４２ａで吸着し、走行体４０の走行によってテーブル３２上に搬入した後、パッド進退機構４２ｂによる上記斜め方向の移動を行うことで、板材Ｗの隣合う２辺を、ワークホルダ３３ａと、テーブル３２のストッカ側端に突没可能に設けられたエンドロケータ（図示せず）に対して押し付けることで位置決めを行う。   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 consists 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.

板材加工機１の制御は、コンピュータ式の数値制御装置（ＮＣ装置）からなる加工機制御装置４３により、加工プログラム４４を実行することでなされる。   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).

この実施形態のネスティング装置は、上記加工プログラム４４を作成する自動プログラミング装置１の一部のとして設けられている。
自動プログラミング装置１は、コンピュータおよびこれに実行させるプログラムにより、次の部品形状記憶手段２、素材形状記憶手段３、ネスティング手段４、基準位置設定手段５、把持領域設定手段６、グリッパ領域設定手段７、および実行ＮＣデータ化手段８が構成されている。 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.

部品形状記憶手段２は、素材板材Ｗから切り取る各部品板材ｍの平面図形である部品図形Ｇｍの形状，寸法を示す部品形状データＦ１を記憶した手段である。部品形状記憶手段３には、１回でまとめてネスティングする種類分の部品形状データＦ１が記憶されている。同じ形状の部品板材Ｗについては、部品形状データＦ１を一つとして枚数のデータを付加しても良く、また１枚ずつの部品形状データＦ１を設けても良い。
素材形状記憶手段３は、素材板材Ｗの形状，寸法のデータである素材形状データＦ０を記憶した手段である。 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.

ネスティング手段４は、素材板材Ｗの図形ＧＷに対して、前記部品板材ｍの図形Ｇｍを設定規則Ｒに従って配置し、その配置結果となるネスティング結果データＦ２を出力する手段である。板材加工機３１がパンチプレスである場合は、ネスティング結果における各部品板材ｍの図形Ｇｍの周囲に、その外周の加工に使用するパンチ工具の配置を定める工具配置処理を行うか、または、ネスティング処理の前に、各部品板材ｍの図形Ｇｍの周囲に、その外周の加工に使用するパンチ工具の配置を定める工具配置処理を行い、その工具配置された部品板材ｍの図形Ｇｍを用いてネスティングを行う。   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 processing 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.

実行ＮＣデータ化手段８は、ネスティング結果データＦ２から実行可能な形式の加工プログラム４４を作成する手段である。板材加工機３１がパンチプレスの場合は、上記のように工具配置処理が行われたネスティング結果データＦ２から、加工プログラム４４を作成する。   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.

基準位置設定手段５は、ネスティング処理を行うときの部品板材ｍの配置の基準位置Ａを定める手段である。基準位置設定手段５は、素材板材Ｗが板材加工機３１のテーブル上に配置された状態で、この素材板材Ｗにおける、ストッカ３５から遠い側となる辺Ｗａまたは角Ｗｂを前記基準位置Ａとして設定する。なお、この基準位置Ａは、部品板材ｍを寄せて配置する基準となる位置であり、必ずしも、素材板材Ｗの座標位置の原点でなくても良い。座標位置の原点は、基準位置Ａとしても、また別の位置、例えばストッカ３５側で、かつ前側（ワークホルダ３３ａ側）の角などとしても良い。上記の「ストッカ３５から遠い側となる辺Ｗａ」は、矩形の素材板材Ｗの４辺のうちの、ストッカ３５から最も遠い位置にある辺を言う。また、「ストッカ３５から遠い側となる角Ｗｂ」は、矩形の素材板材Ｗの４つ角のうちの、ストッカ３５から最も遠い位置にある角を言う。同図の例のように、ストッカ３５から最も遠い位置にある角が２つある場合は、その２つのうちのいずれの角であっても良いが、例えば、ワークホルダ３３ａから遠い方の角としても良い。   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.

把持領域設定手段６は、ストッカ３５の前記位置決め具４２で把持するための領域として、素材板材Ｗ上に設定把持領域Ｅ１を設定した手段である。設定把持領域Ｅ１は、任意に定めれれば良いが、少なくとも、位置決め具４２の吸着パッド４２ａで吸着する範囲よりも広い範囲とする。   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.

グリッパ領域設定手段７は、ストッカ３５のグリッパ４１で把持するための領域である設定グリッパ領域Ｅ２を素材板材Ｗ上に設定した手段である。設定グリッパ領域Ｅ２は、任意に定めれれば良いが、少なくとも、グリッパ４１で把持する範囲よりも広い範囲とする。   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.

ネスティング手段４につき詳しく説明する。設定規則Ｒは、ネスティング処理を行うにつき各種の条件を定めた規則であり、任意に設定すれば良いが、上記設定把持領域Ｅ１および設定グリッパ領域Ｅ２にかかる位置に部品図形Ｇｍを配置しない規則や、基準位置Ａに寄せて各部品図形Ｇｍを配置する規則が設けられる。基準位置Ａに寄せるとは、素材板材Ｗの図形ＧＷ上に部品図形Ｇｍが配置されない余り部分Ｗ０が生じる場合に、部品図形Ｇｍをできるだけ基準位置Ａに寄せることで、基準位置Ａから遠い箇所に上記余り部分Ｗ０が生じるように配置を行うことである。設定規則Ｒとしては、上記の他に、素材板材Ｗの図形ＧＷの設定外周領域Ｅ３にかかる位置に部品図形Ｇｍを配置しない規則や、歩留りを最小とるする規則、また隣合う部品図形Ｇｍ間に開ける最小の間隔を定めた規則が設けられる。ネスティング手段４は、設定規則Ｒにおける上記の各規則を全て充足する位置に、部品図形Ｇｍを配置する。   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 part 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.

この構成のネスティング装置によると、素材板材Ｗにおける、ストッカ３５から遠い側となる辺Ｗａまたは角ｂとなる基準位置Ａに寄せて、部品板材ｍの図形Ｇｍが配置される。そのため、素材板材Ｗに再利用可能な程度の余り部分Ｗ０が生じるネスティングがなされた場合、そのネスティングに従って加工が完了した素材板材Ｗである端材板材は、ストッカ３５に近い部分に未加工の余り部分Ｗ０が生じることになる。
例えば、図２（Ａ）のように板材加工機３１に搬入された素材板材Ｗは、同図（Ｂ）のように部品板材ｍとなる部分が切り抜かれた加工が行われ、ストッカ３５に近い部分に未加工の余り部分Ｗ０が生じることになる。 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.

板材加工機３１上の上記のような余り部分Ｗ０が生じた端材板材Ｗをストッカ３５へ搬出する場合は、グリッパ４１で把持してストッカ３５へ引き込むことになる。このとき、上記のようにストッカ３５に近い部分に未加工の余り部分Ｗ０が生じているため、上記のように引き込むにつき、端材板材Ｗの剛性不足の問題が生じず、安定して端材板材Ｗの搬送を行うことができる。   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.

また、上記構成のネスティング装置によると、端材板材Ｗに、ストッカ３５の位置決め具４２で把持する設定把持領域Ｅ１が、部品板材ｍが未配置の状態で残される。そのため、この設定把持領域Ｅ１を利用して、吸着、搬送、および位置決めが行える。このため、ストッカ３５から板材加工機３１への搬入時にも、端材板材Ｗの安定した搬入，位置決めを行うことができる。
端材板材Ｗには、設定グリッパ領域Ｅ２も、部品板材ｍが未配置で残されるため、上記グリッパ４１で把持してストッカ３５へ引き込む動作も確実に行える。 Further, according to the nesting device having the above-described configuration, the setting grip region E1 that is gripped by the positioning tool 42 of the stocker 35 is left on the end material 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.

また、この実施形態の板材加工方法は、板材加工機３１上にある素材板材Ｗの、ストッカ３５から遠い側となる辺Ｗａまたは角Ｗｂを基準位置Ａとして、複数の部品板材ｍを、前記基準位置Ａに近い部品板材ｍから先に、順次切り取る。
そのため、上記のように、板材加工機３５上の端材板材Ｗをストッカ３５へ搬出するときに、端材板材Ｗには、ストッカ３５に近い部分に未加工の余り部分Ｗ０が生じていて、端材板材Ｗの剛性不足の問題が生じず、安定して端材板材Ｗの搬送を行うことができる。 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.

この発明の一実施形態に係るネスティング装置を含む自動プログラミング装置の概念構成を示すブロック図と、板材加工機の平面図を組み合わせた説明図である。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. 同実施形態における板材加工方法の説明図である。It is explanatory drawing of the board | plate material processing method in the embodiment.

符号の説明Explanation of symbols

１…自動プログラミング装置
２…部品形状記憶手段
３…素材形状記憶手段
４…ネスティング手段
５…基準位置設定手段
６…把持領域設定手段
７…グリッパ領域設定手段
８…実行ＮＣデータ化手段
３１…板材加工機
３３ａ…ワークホルダ
３２…テーブル
３５…ストッカ
３８…板材出し入れ機構
４１…グリッパ
４２…位置決め具
４２ａ…吸着パッド
Ａ…基準位置
Ｅ１…設定把持領域
Ｅ２…設定グリッパ領域
Ｅ３…設定外周領域
ＧＷ…素材板材の図形
Ｇｍ…部品図形
ｍ…部品板材
Ｗ…板材
Ｗ０…余り部分
Ｗａ…辺
Ｗｂ…角
ＷＧ…素材板材図形 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)

板材を保管するストッカを付設した板材加工機の制御用データの作成に適用され、矩形の素材板材の図形に対して、前記素材板材から切り取る複数の部品板材の図形を、前記素材板材の所定の辺または角を基準位置として、その基準位置側に寄せて順次配置して行くネスティング装置であって、
前記素材板材が板材加工機のテーブル上に配置された状態で、前記ストッカから遠い側となる辺または角を前記基準位置として設定した基準位置設定手段と、前記素材板材の図形に対して、前記部品板材の図形を、設定規則に従い、前記基準位置側に寄せて順次配置するネスティング手段とを備えることを特徴とするネスティング装置。 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,
In a state where the material plate material is arranged on a table of a plate material processing machine, a reference position setting means that sets a side or corner on the side far from the stocker as the reference position, and the figure of the material plate material, A nesting device comprising: nesting means for sequentially arranging a figure of a component board in accordance with a setting rule and moving toward a reference position side. 前記ストッカが、このストッカから搬出した板材を把持して前記板材加工機のテーブルに対して位置決めする位置決め具を有するものであり、前記ネスティング手段は、前記位置決め具で把持する設定把持領域を回避して部品板材の図形を配置するものとした請求項１記載のネスティング装置。   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. 板材を保管するストッカを付設した板材加工機を用いて、矩形の素材板材から複数の部品板材を順次切り取る加工を行う方法であって、板材加工機上にある素材板材の、ストッカから遠い側となる辺または角を基準位置として、前記複数の部品板材を、前記基準位置に近い部品板材から先に、順次切り取ることを特徴とする板材加工方法。   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, the material plate material on the plate material processing machine on the side far from the stocker A plate material processing method, wherein the plurality of component plate materials are sequentially cut out first from the component plate material close to the reference position, with the side or corner as a reference position.
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