JP2004042071A - Treatment system for sheet material - Google Patents

Treatment system for sheet material Download PDF

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JP2004042071A
JP2004042071A JP2002200837A JP2002200837A JP2004042071A JP 2004042071 A JP2004042071 A JP 2004042071A JP 2002200837 A JP2002200837 A JP 2002200837A JP 2002200837 A JP2002200837 A JP 2002200837A JP 2004042071 A JP2004042071 A JP 2004042071A
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Japan
Prior art keywords
plate material
plate
cut
sheet
processing machine
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JP2002200837A
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JP4045879B2 (en
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Atsushi Momokita
百北 淳
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Murata Machinery Ltd
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Murata Machinery Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a treatment system for a sheet material wherein the sheet material cut off with a sheet-material finishing machine can be effectively carried out without being caught by a stock sheet material. <P>SOLUTION: The treatment system for the sheet material is composed of the sheet-material finishing machine 1, a sheet-material carrying-out apparatus 3 and a synchronous transport-controlling means 62 in pulling out. The sheet-material finishing machine 1 transports the stock sheet material W on a table 5 with a sheet transporting function 7 and cuts the stock sheet material W with a finishing head 6 to obtain a cut-off sheet material M from this stock sheet material W. A sheet material carrying-out apparatus 3 holds the cut-off sheet material M on the table 5 of the sheet-material finishing machine 3 by a side of the surface, pulls it out in the horizontal direction and carries out from the sheet-material finishing machine 1 . The synchronous transport-controlling means 62 in pulling out controls the sheet transporting function 7 to transport the stock sheet material W in the same direction and with the same velocity as its pulling-out direction when pulling the cut-off sheet material M out. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
この発明は、素材板材から小物板材等を切り取るパンチプレス,レーザ加工機等の板材加工機と、この板材加工機から切取板材を搬出する板材搬送装置とを備えた板材処理システムに関する。
【0002】
【従来の技術と発明が解決しようとする課題】
従来、パンチプレス等の板材加工機において、素材板材から小物板材を切り取り、その切取板材を板材搬送装置の吸着パッドで吸着し、これを持ち上げて搬出することが行われている。
上記板材加工機で切取板材の最終部分を切断したときは、一般に、その切取板材は板材加工機の加工ヘッドの下方に潜り込んだ状態にある。そのため、上記板材搬送装置は、切取板材の搬出に際して、まず加工ヘッドから突出した部分を一部の吸着パッドで吸着し、切取板材の全体が加工ヘッドから出るまで引き出している。この後、一般の吸着パッドで切取板材の全体を吸着し、これを持ち上げて水平搬送している。
【0003】
しかし、切取板材を上記のように引き出すときに、切取板材の外形形状によっては、切取板材の外周の一部が、素材板材の切り出し跡となる開口部分の縁部に引っ掛かり、円滑な引出し動作が妨げられることがある。特に、切取板材が、引出し方向と直交する方向に延びる突片や溝部分がある外形形状等の場合に、上記の引っ掛かりが生じやすい。このような引っ掛かりによる引出し動作の障害が生じると、自動運転の停止要因となる。
【0004】
一方、従来、継ぎ目無し切断素材を得るために、上記板材加工機により長尺の素材板材を長さ方向に沿って切断することが行われている。このような切断を行う場合、切断がある程度進むと、素材長さ方向に沿う長尺の切断途中片が生じる。この長尺の切断途中片は、切断方向の基端のみで素材板材に繋がったものであり、板材加工機のワークホルダ等による把持は、上記基端の繋がり部分による把持だけの状態となる。そのため、長尺の切断途中片に沿う切れ目が板材先端側で開いたり、また逆に切れ目が閉じ過ぎて、切断途中片の先端が素材板材の他の部分に重なったりすることがある。このような切れ目の開きや閉じ過ぎが生じると、切れ目が曲がったり、切断面が変形したりし、品質が低下する。
【0005】
この発明の目的は、板材加工機で切り取った板材を、素材板材との引っ掛かりを生じることなく、円滑に搬出することのできる板材処理システムを提供することである。
この発明の他の目的は、長尺板材を長手方向に切断する場合に、変形や切断面の品質低下を生じることなく、綺麗に切断することのできる板材処理システムを提供することである。
【0006】
【課題を解決するための手段】
この発明における第1の発明を実施形態に対応する図1と共に説明する。この板材処理システムは、板材加工機(1)と、板材搬送装置(3)と、引出し時同期移動制御手段(62)とを備えたものである。
上記板材加工機(1)は、板材送り機構(7)により素材板材(W)をテーブル(5)上で送り、加工ヘッド(6)により素材板材(W)を切断してこの素材板材(W)から少なくとも一枚の切取板材(M)を切り取るものである。板材搬送装置(3)は、上記板材加工機(1)のテーブル(5)上にある切取板材(M)を表面の一側部で保持し、水平方向に引き出して板材加工機(1)から機外に搬出するものである。
上記引出し時同期移動制御手段(62)は、上記板材搬送装置(3)で上記切取板材(M)を引き出すときに、この板材搬送装置(3)による切取板材(M)の引出し方向(X)と同方向に同速度で素材板材(W)を送るように上記板材送り機構(7)を制御する手段である。
【0007】
この構成によると、板材加工機(1)により素材板材(W)から切取板材(M)が切り取られると、板材搬送装置(3)が上記切取板材(M)を引き出す。このとき、引出し時同期移動制御手段(62)の制御によって、板材加工機(1)の板材送り機構(7)が、板材搬送装置(3)による切取板材(M)の引出し方向(X)と同方向に同速度で素材板材(W)を送る。このように、板材搬送装置(3)の引出しと同期して素材板材(W)を送るため、素材板材(W)に対する引っ掛かりを生じることなく、切取板材(M)を引き出すことができる。したがって切取板材(M)を円滑に搬出することができる。
【0008】
この発明における第2の発明の板材処理システムは、板材加工機(1)と、板材搬送装置(3)と、引出し時同期移動制御手段(62)とを備えたものである。
板材加工機(1)は、板材送り機構(7)により素材板材(W)をテーブル(5)上で送り、加工ヘッド(6)により素材板材(W)を切断してこの素材板材(W)から少なくとも一枚の切取板材(M)を切り取るものである。板材搬送装置(3)は、複数の吸着パッド(35)およびこれら吸着パッド(35)の昇降および水平移動を行わせる搬送移動機構(30)を有し、上記板材加工機(1)のテーブル(5)上にある切取板材(M)を、表面の一側部で一部の吸着パッド(35)により吸着して持ち上げ、他の吸着パッド(35)が上記加工ヘッド(6)との干渉を生じず上記切取板材(M)を吸着可能な位置まで、上記切取板材(M)を水平方向に引き出すように上記搬送移動機構(30)により吸着パッド(35)を移動させるものである。
引出し時同期移動制御手段(62)は、上記搬送移動機構(30)による切取板材の引出し時に、引出し方向(X)と同方向に同速度で素材板材(W)を送るように上記板材送り機構(7)を制御する手段である。
【0009】
この構成の場合、板材加工機(1)により素材板材(W)から切取板材(M)が切り取られると、板材搬送装置(3)は、テーブル(5)上にある切取板材(M)を、表面の一側部で一部の吸着パッド(35)により吸着して持ち上げ、搬送移動機構(30)により吸着パッド(35)を移動させる。このとき、他の吸着パッド(35)が上記加工ヘッド(6)との干渉を生じずに上記切取板材(M)を吸着可能な位置まで、上記切取板材(M)を水平方向に引き出す。この引出し動作を行うときに、引出し時同期移動制御手段(62)の制御により、板材加工機(1)の板材送り機構(7)が、板材搬送装置(3)による切取板材(M)の引出し方向(X)と同方向に同速度で板材を送る。このように、板材搬送装置(3)の引出しと同期して素材板材(W)を送るため、素材板材(W)に対する引っ掛かりを生じることなく、切取板材(M)を引き出すことができる。すなわち、素材板材(W)の切り取り跡となる切欠の縁に引っ掛かることなく、切取板材(M)の引出しが行える。したがって切取板材(M)を円滑に引出すことができる。なお、上記引出し時において、切取板材(M)の先端は、吸着パッド(35)を若干持ち上げて引き出すことにより、引っ掛かりが防止される。引き出し後は、他の吸着パッド(35)で切取板材(M)を吸着し直し、持ち上げて搬出するため、確実に吸着して持ち上げることができ、途中で落下等の問題が生じることなく、持ち上げ状態で搬出することができる。
【0010】
この発明における第3の発明を実施形態に対応する図8および図9と共に説明する。この板材処理システムは、板材加工機(1)と、板材搬送装置(3)と、加工時同期移動制御手段(65)とを備えたものである。
板材加工機(1)は、板材送り機構(7)により素材板材(W)の1辺を把持してこの素材板材(W)をテーブル(5)上で送り、加工ヘッド(6)により素材板材(W)を切断するものである。板材搬送装置(3)は、板材加工機(1)のテーブル(5)上にある板材を水平方向に引き出して板材加工機(1)から機外に搬出するものである。
加工時同期移動制御手段(65)は、上記板材加工機(1)が、素材板材(W)を上記板材搬送装置(3)による引出し方向に沿って切断を行うときに、上記板材加工機(1)による素材板材(W)の上記引出し方向(X)への移動に同期して、同方向に同速度で素材板材(W)の板材送り機構(7)による非把持側の切断途中片(Wa)を引き出すように上記板材搬送装置(3)を移動させるものである。
この構成の場合、板材加工機(1)による素材板材(W)の切断加工のための送りと同期して、板材搬送装置(3)により同方向に同速度で切断途中片(Wa)を引き出すため、長尺の切断途中片に沿う切れ目が板材先端側で開いたり、逆に切れ目が閉じ過ぎて、切断途中片(Wa)の先端が素材板材(W)に重なったりすることが防止される。そのため、変形や切断面の品質低下を生じることなく、綺麗に切断することができる。
【0011】
【発明の実施の形態】
この発明の第1の実施形態を図1ないし図7と共に説明する。この実施形態は第1および第2の発明に対応する。この板材処理システムは、板材加工機1と、板材搬送装置3と、これら板材加工機1および板材搬送装置3を制御する制御装置60とで構成される。
【0012】
板材加工機1は、板材送り機構7により素材となる板材Wをテーブル5上で前後(Y軸方向)および左右(X軸方向)に送り、加工ヘッド6により素材板材Wを切断し、この素材板材Wから少なくとも一枚の切取板材Mを切り取るものである。板材加工機1は、上記加工が行えるものであれば良く、パンチプレスであっても、レーザ加工機であっても良いが、この例ではタレット式のパンチプレスとしてある。加工ヘッド6は、板材Wに対して加工を行う工具およびその工具駆動系を有する部分である。加工ヘッド6は、パンチプレスの場合、所定の加工位置Pでパンチ工具をパンチ動作させるためのラム(図示せず)を昇降可能に設置した機構であり、フレーム14の上フレーム部14aの先端で構成される。加工ヘッド6は、上フレーム部14aと共に機体カバーで覆われている。各図において、フレーム14は、そのフレーム自体ではなく、機体カバーで覆った状態で図示してある。
【0013】
板材搬送装置3は、板材加工機1のテーブル5上にある切取板材Mを表面の一側部で把持手段28により保持し、水平方向(X軸方向)に引き出して板材加工機1から機外に搬出するものである。板材搬送装置3は、上記把持手段28を構成する複数の吸着パッド35、およびこれら吸着パッド35の昇降および水平移動を行わせる搬送移動機構30を有する。
【0014】
板材加工機1の側方には板材貯蔵装置2が並べて設置してあり、これら板材加工機1と板材貯蔵装置2との間で板材Wを搬送可能なように、上記板材搬送装置3が設置されている。板材加工機1と板材貯蔵装置2とは若干離して配置され、両者の間に補助テーブル4が設置され、かつ両者の間の前方に操作盤16(図2)が設置されている。
【0015】
図2に示すように、板材加工機1は、板材Wを載せるテーブル5と、このテーブル5上の板材Wを加工する上記加工ヘッド6と、板材Wをテーブル5上で移動させる板材送り機構7とを備える。
板材送り機構7は、X軸のモータ71(図1)により、板材Wの左右方向(X軸方向)の移動を行わせ、Y軸のモータ72により、板材WのY軸方向(前後方向)の移動を行わせるものである。板材送り装置7は、下フレーム8のレール9上を前後方向(Y軸方向)移動するキャリッジ10に、左右方向(X軸方向)に移動可能にクロススライド11を設置し、板材Wの端部を把持する複数のワークホルダ12を、クロススライド11に設置したものである。上記X軸のモータ71により上記クロススライド11が進退駆動され、Y軸のモータ72によりキャリッジ10の進退駆動が行われる。これらの進退駆動は、ボールねじ等の送りねじ機構(図示せず)を介して行われる。前記の左右方向(X軸方向)は、板材加工機1と板材貯蔵装置2の並び方向とされる。テーブル5は、中央の固定テーブル5aの両側に一対の固定テーブル5bを離して配置し、これら中央と側部の固定テーブル5a,5bの間に、キャリッジ10と共に前後移動する可動テーブル5cを設けたものである。
【0016】
加工ヘッド6に対して、フレーム14の上フレーム部14aおよび下フレーム部14bには、上下一対のタレット13が設置されている。上下のタレット13の円周方向複数箇所に、パンチ工具およびダイ工具(図示せず)がそれぞれ設置されている。加工ヘッド6には、パンチ位置となる加工位置Pと並んで、サブヘッド15がタレット13の近くに設置されている。サブヘッド15は、素材板材Wから外周加工されて一部が素材板材Wと繋がった状態にある切取板材Mを、素材板材Wから切り離す手段であり、専用のパンチ機構で構成されている。テーブル5上には、搬入された素材板材Wの左右方向の位置決めを行うエンドロケータ17が突没可能に設置され、シリンダ装置等の駆動手段で突没させられる。エンドロケータ17およびワークホルダ12は、板材加工機1における素材板材Wの搬入時の位置決め部材16となる。
【0017】
板材貯蔵装置2は、切取板材Mを積載する切取板材収納部E1と、素材板材Wを積載する素材収納部E2とを、板材加工機1と板材貯蔵装置2の並び方向と直交する方向に並べて設けたものである。この例では、切取板材収納部E1および素材収納部E2に加えて、スケルトンSを積載する収納部E3が設けてある。スケルトンSは、素材板材Wから切取板材Mを切り抜いた外周の残材のことである。各収納部E1〜E3には各々パレット21a〜23aが設置してある。
【0018】
板材搬送装置3は、上記把持手段28を搬送移動機構30により直交する3軸方向に移動させるものとしてある。板材搬送装置3は、板材加工機1に対し素材板材Wの搬入と、切取板材Mの搬出とを行うものとしてある。
板材搬送装置3は、固定台25上に進退方向と直交する方向に長く延びる可動台26を進退自在に設置し、可動台26に沿って走行体27を進退自在に設置し、走行体27に板材Wの把持手段28を設置したものである。可動台26の進退方向は、板材加工機1と板材貯蔵装置2との離間方向(X軸方向)に対して直交する方向(Y軸方向)である。固定台25と可動台26とで、走行体27を直交2軸方向に移動可能に支持する基台29が構成され、この基台29と各方向の駆動手段,案内手段を含むものが、走行体27を直交3軸方向に移動させる直交座標系の搬送移動機構30となる。
【0019】
固定台25は、板材貯蔵装置2の左右両側に沿って延びる一対の固定レール25aを備える。可動台26は、板材加工機1のテーブル5上に片持ち状に延びる直線フレーム状のものであり、前記一対の固定レール25a上に、一対の脚部26aで進退自在に設置されている。可動台26の先端は、板材加工機1の上フレーム部14aの側面近傍まで延びている。可動台26は、長手方向に沿って延びるレールを有し、このレールに沿って走行体27が走行自在に設置されている。可動台26の進退駆動および走行体27の走行駆動は、各々駆動装置31,32(図2)により行われる。これら可動台駆動装置31および走行体駆動装置32は、例えば、各々ラック・ピニオン機構、およびそのピニオンを駆動するサーボモータで構成される。これら可動台駆動装置31、走行体駆動装置32、並びに可動台26および走行体27を案内するレール25a等により、前記の直交座標系の搬送移動機構30が構成される。
【0020】
走行体27は、パッド取付フレーム33を有し、パッド取付フレーム33に把持手段28を構成する吸着パッド35が設けられている。パッド取付フレーム33は、走行体27に昇降自在に設置され、走行体27に設置された昇降装置34(図3)により昇降駆動される。昇降装置34は、例えばラック・ピニオン機構と、そのピニオンを駆動するサーボモータとで構成される。
【0021】
図4に示すように、把持手段28は、複数の吸着パッド35をパッド取付フレーム33に平面的に配列して取付けた吸着パッド配列体36で構成される。また、パッド取付フレーム33には素材分離用のフロータ51が取付けられている。パッド取付フレーム33は、主フレーム33aと、その左右両側に設けた伸縮フレーム33b,33cとで構成される。主フレーム33aは、複数のフレーム材39,40を枠組みして構成されている。左右の伸縮フレーム33b,33cは、それぞれ主フレーム33aにガイド部材37を介して伸縮自在に取付けられ、それぞれ伸縮駆動装置38により伸縮駆動される。ガイド部材37は、伸縮フレーム33b,33cに固定されたガイドロッド37aと、主フレーム33aに設けられてガイドロッド37aを案内する受け部材37bとで構成される。伸縮駆動装置38には、流体圧シリンダ装置が用いられている。伸縮駆動装置38は、シリンダ装置の代わりに、ラック・ピニオン機構とモータとで構成しても良い。
【0022】
吸着パッド35は、パッド取付フレーム33における前後方向(Y軸方向)に延びる各フレーム材39と、左右の伸縮フレーム33b,33cとに、前後方向に並んで複数設けられている。したがって、伸縮フレーム33b,33cの伸縮により、主フレーム33aに取付けられた吸着パッド35と伸縮フレーム33b,33cに取付けられた吸着パッド35の間隔が変更自在となる。この間隔変更は、板材加工機1や板材貯蔵装置2の環境に適応して行われ、また素材板材Wや切取板材M2の大きさ,形状に応じて行われる。
【0023】
吸着パッド配列体36を構成する各吸着パッド35は、いずれも真空吸引式のものであり、吸引装置に配管接続されている。これら吸着パッド35のうち、一部の吸着パッド35A ,35B は、小パッド41を集めた小パッド群からなる。小パッド41は、吸着パッド35の全体の大きさよりも小さな吸着パッドのことであり、各々が吸着機能を有する。
この小パッド群からなる吸着パッド35A ,35B は、吸着パッド配列体36の一部に集中して配置され、小パッド群集中配置部42を構成している。小パッド群集中配置部42の位置は、板材加工機1における板材排出位置Aと対応する位置であることが好ましく、この例では、小パッド群集中配置部42は、吸着パッド配列体36における一つの隅部付近、詳しくは、板材加工機1側でかつ手前側の隅部付近としてある。
【0024】
小パッド群集中配置部42を構成する各吸着パッド35A ,35B のうち、特定の少なくとも一つのもの(図示の例では1つ)は、小パッド群集中配置部42から進出自在な進出吸着パッド35B とされる。残りの吸着パッド35A のうち、一つは伸縮フレーム33bに取付けられ、他の残りの吸着パッド35A は、主フレーム33aに設けられた共通の集中配置部用取付部材45に取付けられている。
【0025】
進出吸着パッド35B は、伸縮フレーム33bに進出機構46を介して取付けられている。進出機構46は、進出吸着パッド35B を小パッド群集中配置部42から伸縮させる機構であり、進出吸着パッド35B を先端に取付けた旋回アーム47と、この旋回アーム47を正逆に旋回させる進退駆動手段48とで構成される。旋回アーム47は、伸縮フレーム33bに支持部材50を介して支軸49回りに水平旋回自在に取付けられ、図4に実線で示すように伸縮フレーム33bに沿う後退位置と、同図に鎖線で示すように伸縮フレーム33bから所定角度(例えば90°)突き出す進出位置との間に旋回可能である。進退駆動手段48は、流体圧シリンダ装置からなる。このように旋回アーム47の旋回で進出吸着パッド35B を進出可能としたことより、走行体27が前進端に達した状態で、進出吸着パッド35B が板材加工機1におけるタレット13とサブヘッド15との間に進出自在となる。
なお、進出吸着パッド35B は、小パッド群集中配置部42を設けずに、パッド取付フレーム30から進退可能に設けたものであっても良い。
【0026】
図1と共に制御系を説明する。制御装置60は、この板材処理システムの全体を制御する手段であり、板材加工機1を制御する加工機制御装置61と、搬送制御装置63とで構成される。加工機制御装置61と搬送制御装置63は、互いに動作完了等の各種の信号送受を行って、板材加工機1と板材搬送装置3の動作タイミングの同期を取る。加工機制御装置61は、コンピュータ式の数値制御装置からなり、加工プログラム(図示せず)に従って板材加工機1を制御する。上記数値制御装置は、数値制御部とプログラマブルコントローラ部とを有するものである。その数値制御部により、各軸の制御、例えば板材送り機構7におけるX軸およびY軸の駆動用のモータ71,72と、加工ヘッド6のパンチ駆動源となるモータ73の制御とが行われる。搬送制御装置63は、コンピュータ式等のシーケンサからなり、搬送プログラム(図示せず)に従って制御を行う。なお、搬送制御装置63は、加工機制御装置61と同じコンピュータに構成されたものであっても良い。
【0027】
この板材処理システムは、このような制御装置60において、板材搬送装置3で切取板材Mを引き出すときに、この板材搬送装置3による切取板材Mの引出し方向(X軸方向)と同方向に同速度で素材板材Wを送るように、板材加工機1における板材送り機構7を制御する引出し時同期移動制御手段62を設けている。
【0028】
制御装置60における加工機制御装置61および搬送制御装置63は、切取板材Mの外形加工の最終過程から、板材搬送装置3による搬出の過程で、図5に流れ図で示すステップQ1〜Q3,R〜R3の処理を行うように、上記加工プログラムおよび搬送プログラム等で設定されている。図1の引出し時同期移動制御手段62は、具体的には、図5の最終パンチのステップQ2の後、搬送制御装置63に引出し動作を行わせると同時に、加工機制御装置61において、X軸移動を行わせる処理(Q3)の指令、およびこの指令を実行する加工機制御装置61のハードウェアによって構成される。
【0029】
次に、上記構成の動作を説明する。板材貯蔵装置2の素材収納部E2には、素材板材Wが素材パレット22a上に積層状態に積載されている。この素材板材Wを板材加工機1に搬入するときは、走行体27の吸着パッド配列体36が素材収納部22の素材板材Wの上に来るように、走行体27をX,Y方向に移動させる。走行体27のY軸方向の移動は、可動台26のY軸方向移動により行われる。この状態で、吸着パッド配列体36を走行体27から下降させ、吸着パッド配列体36の各吸着パッド35で素材板材Wを吸着した後、吸着パッド配列体36を再度上昇させる。
このように、走行体27で素材板材Wを把持した状態で、走行体27の板材加工機1側への走行、および可動台26のY軸方向の移動を行い、吸着パッド配列体36を下降させて、素材板材Wを板材加工機1のテーブル5上の所定の搬入位置に搬入する。
【0030】
搬入された素材板材Wは、板材加工機1のワークホルダ12で把持される。板材加工機1においては、素材板材Wの希望部位を、板材送り機構7の前後左右の移動によって加工位置Pに位置決めし、パンチ加工を行う。この板材移動とパンチ動作との繰り替しにより、素材板材Wから切取板材Mの外形の切り出しが行われる。
【0031】
板材加工機1で切り出された切取板材Mの排出は、板材加工機1のテーブル5上の所定の板材排出位置A、または任意の排出位置から行う。サブヘッド15を用いて切取板材Mを切り離すときは、所定の板材排出位置Aは、サブヘッド15の近傍位置となる。この排出は、基本動作としては、走行体27を板材排出位置Aへ移動させ、吸着パッド配列体36を下降させて切取板材Mを吸着し、吸着パッド配列体36の上昇後、走行体27を板材貯蔵装置2の製品収納部21上に移動させ、パッド配列体36を下降させて吸着パッド35の吸着を解除することにより行われる。なお、搬入,搬出に際しては、吸着パッド配列体36は、両側の伸縮フレーム33b,33cの広げ状態と縮め状態との選択、および進出吸着パッド35B の旋回アーム47による進出,退避状態の選択により、素材板材Wや切取板材Mの大きさ,形状に適応した搬送を行う。
【0032】
切取板材Mの排出は、詳細には、上記基本動作に加えて、次の引出し動作を行う。この動作を図5,図7と共に説明する。
図5のステップQ1に示すように、板材加工機1により切取板材Mの外形加工を行うときに、最終の1パンチを残し、その最終パンチを行う位置に素材板材Wの位置決めを行う。最終パンチは、例えば、サブヘッド15で行うようにする。この最終位置決めの完了の信号を搬送制御装置63が加工機制御装置61から受け、搬送制御装置63は、板材搬送装置3に、吸着パッド35の下降および吸着を行わせるアンロード・吸着指令(R1)出力する。この最終パンチのための位置決め時において、切取板材Mは、図7(A)のように一部のみがタレット13または加工ヘッド6から突出した位置にあり、板材搬送装置3は一部の吸着パッド35A ,35B のみで吸着を行う。この一部の吸着パッドは、角部の吸着パッド35A だけ、またはこの角部の吸着パッド35A とその近くの吸着パッド35B である。板材搬送装置3は、この下降,吸着に先立ち、板材加工機1で外形加工を行っている間に、上記一部の吸着パッド35A ,35B で吸着できる平面位置にパッド取付フレーム33を待機させておく。
【0033】
板材搬送装置3が下降および一部の吸着パッド35A ,35B による切取板材Mの吸着を行うと、その吸着の確認を、板材搬送装置3に備えられている確認手段(図示せず)により行い、その確認信号によって、加工機制御装置61は最終パンチの指令を出力する(Q2)。この指令によって板材加工機1が最終パンチを行うと、加工機制御装置61が移動許可等の信号を出力することで、搬送制御装置63は、切取板材Mを引き出す(図7(B))。この引出しは、吸着パッド35A ,35B を若干上昇させた状態で行う。この引出しは、切取板材Mの略全体が、板材搬送装置3の吸着パッド35で吸着できて、そのまま真上に切取板材Mを上昇させても切取板材Mが板材加工機1の加工ヘッド6等に干渉しない位置まで行うようにする。ただし、引出し距離は、上記干渉の生じない範囲で短い方が好ましい。この引出し量をどれだけとするかは、例えば予め搬送プログラムに設定しておく。プログラム作成時において、適切な引出し距離は、切取板材Mの形状,寸法と板材加工機1および板材搬送装置3の寸法の関係などから求めることができる。
この切取板材Mの引出しを行うときに、加工機制御装置61は、X軸移動を行わせる(Q3)。すなわち、素材板材Wを把持したワークホルダ12を、板材送り機構7によってX軸方向に移動させる。この移動は、板材搬送装置3による切取板材Mの引出し方向(X)の移動速度と同速度で行うようにする。
【0034】
このように、引出し時に、同期して素材板材Wを送るため、素材板材Wに対する引っ掛かりを生じることなく、切取板材Mを引き出すことができる。
例えば、素材板材Wから、図6(A)に示すような複数の切取板材M(M1 〜M5 )を切り取る場合に、切取板材Mが、外形線の一部に、上記引出し方向と交差しかつ板材端面が引出し方向に向く外径線部分aを有する外形形状のもの(M3 〜M5 )である場合、単に引き出すと、上記の引出し方向に向く外径線部分aが、素材板材Wに対して引っ掛かりを生じることがある。すなわち、図6(B)に示すように、切取板材M6 を仮想線で示す位置まで引き出す場合に、エリアFに素材板材Wの残り部分があると、引っ掛かりを生じる。このような引っ掛かりが、素材板材Wを切取板材Mと同期して移動させることにより、防止される。なお、上記の引出し方向に向く外径線部分aには、引出し側端の辺aaは除く。この辺aaは、引出し時に吸着パッド35を若干上昇させるため、干渉が回避される。
【0035】
切取板材Mの上記引出しが完了すると、板材搬送装置3の吸着パッド35による吸着を一旦解除し、複数の吸着パッド35で切取板材Mの略全体を吸着できる位置にパッド取付フレーム33を移動させる(図7(C))。この移動は、単に上記引出し方向と逆向きの移動としても良く、またX軸方向とY軸方向の合成した移動としても良い。このようにして、切取板材Mの略全面を吸着パッド35で吸着した後、パッド取付フレーム33を上昇させ、走行体27を走行させて切取板材Mを搬出する。このようにして、引っ掛かりのない円滑な搬出を行うことができる。また、引出し時同期移動制御手段62は、制御装置60に設けられているため、その同期制御の信頼性を向上できる。
【0036】
図8および図10は、この発明の他の実施形態を示す。この実施形態は第3の発明に対応する。この実施形態は、第1の実施形態において、引出し同期制御手段62に代えて、制御装置60に加工時同期移動制御手段65を設けたものである。加工時同期移動制御手段65は、搬送制御装置63に設けられる。加工時同期移動制御手段65は、板材加工機1が、素材板材Wを板材搬送装置3による引出し方向(X軸方向)に沿って切断を行うときに、板材加工機1による素材板材Wの上記引出し方向への移動に同期して、同方向に同速度で板材Wの切断途中片Waを引き出すように、板材搬送装置3を移動させる制御手段である。この加工時同期移動制御手段65は、素材板材Wが引出し方向(X軸方向)に長尺であって、その引出し方向の切断距離が長い場合、例えば継ぎ目無し切断素材の加工のために、全長に渡って切断する場合等に機能させる。この加工時同期移動制御手段65は、例えば搬送制御装置63における搬送プログラムによって構成される。この実施形態における板材処理システムのその他の構成は、第1の実施形態と同じである。
【0037】
この実施形態の動作を説明する。図9(A)に示す長尺の素材板材Wを切断線Lで示すように、長さ方向に沿って切断する場合を説明する。板材加工機1は、板材送り機構7により板材Wをテーブル5上で送り、加工ヘッド6により素材板材Wをパンチ加工するという動作を繰り返すことで、板材Wを切断する。このとき、図8の加工時同期移動制御手段65は、板材加工機1による板材Wの上記引出し方向(X軸方向)への移動に同期して、図9(C)のように、同方向に同速度で板材Wの切断途中片Waを引き出すように板材搬送装置3を移動させる。
このように板材加工機1よる素材板材Wの切断加工のための送りと同期して、板材搬送装置3により同方向に同速度で切断途中片Waを引き出すため、図10(A)に示すように長尺の切断途中片Waに沿う切れ目が板材先端側で開いたり、同図(B)のように逆に切れ目が閉じ過ぎて、切断途中片Waの先端が素材板材Wに重なったりすることが防止される。そのため、変形や切断面の品質低下を生じることなく、綺麗に切断することができる。
なお、上記板材搬送装置3の移動は、把持手段28によって板材Wを把持し、把持手段28を移動させることで行う。把持手段28は、上記のように複数の吸着パッド35で構成される。
なお、この実施形態の場合、把持手段28は、吸着パッドに限らず、板材Wを挟んで把持するグリッパ(図示せず)等であって良い。
また、この実施形態において、加工時同期移動制御手段65は制御装置60に設けたため、その同期制御の信頼性を向上できる。
【0038】
【発明の効果】
この発明における第1および第2の発明の板材処理システムは、板材搬送装置で上記切取板材を引き出すときに、この板材搬送装置による切取板材の引出し方向と同方向に同速度で板材を送るように上記板材送り機構を制御する引出し時同期移動制御手段を設けたため、板材加工機で切り出した板材を、素材板材との引っ掛かりを生じることなく、円滑に搬出することができる。
この発明における第3の発明の板材処理システムは、板材加工機が、板材を上記板材搬送装置による引出し方向に沿って切断を行うときに、上記板材加工機による板材の上記引出し方向への移動に同期して、同方向に同速度で板材の切断途中片を引き出すように上記板材搬送装置を移動させる加工時同期移動制御手段を設けたため、長尺板材を長手方向に切断する場合に、変形や切断面の品質低下を生じることなく、綺麗に切断することができる。
【図面の簡単な説明】
【図1】この発明の第1の実施形態にかかる板材処理システムの概念構成を示す説明図である。
【図2】同板材処理システムにおける板材加工機と板材搬送装置とを組み合わせた設備の平面図である。
【図3】(A)は同組み合わせ設備の正面図、(B)はその板材加工機の部分側面図である。
【図4】板材搬送装置の吸着パッド配列体を示す平面図である。
【図5】加工機制御装置と搬送制御装置の処理の関係を示す流れ図である。
【図6】(A)は素材板材と切取板材の形状例の説明図、(B)は切取板材の移動例の説明図である。
【図7】切取板材引出し時における板材搬送装置の動作の説明図である。
【図8】この発明の他の実施形態にかかる板材処理システムの概念構成を示す説明図である。
【図9】同板材処理システムの加工例および動作例の説明図である。
【図10】長尺板材加工時の不具合例の説明図である。
【符号の説明】
1…板材加工機
3…板材搬送装置
5…テーブル
6…加工ヘッド
7…板材送り機構
12…ワークホルダ
15…サブヘッド
27…走行体
28…把持手段
30…搬送移動機構
33…パッド取付フレーム
35…吸着パッド
35A ,35B …小パッド群の吸着パッド
46…進出機構
60…制御装置
61…加工機制御装置
62…引出し時同期移動制御手段
63…搬送制御装置
65…加工時同期移動制御手段
a…外形線部分
P…加工位置
M…切取板材
W…素材板材
Wa…切断途中片
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a plate material processing system including a plate material processing machine such as a punch press and a laser processing machine for cutting a small plate material or the like from a raw material plate material, and a plate material conveying device that unloads the cut plate material from the plate material processing machine.
[0002]
[Prior Art and Problems to be Solved by the Invention]
2. Description of the Related Art Conventionally, in a plate processing machine such as a punch press, a small plate is cut from a raw plate, the cut plate is suctioned by a suction pad of a plate transfer device, and lifted and carried out.
When the last part of the cut sheet material is cut by the above-mentioned sheet material processing machine, generally, the cut sheet material is in a state of sinking below the processing head of the sheet material processing machine. For this reason, when carrying out the cut-out plate material, the above-mentioned plate material transfer device first sucks a portion protruding from the processing head with some suction pads, and pulls out the entire cut-out plate material until it comes out of the processing head. Thereafter, the whole of the cut-off plate material is sucked by a general suction pad, and is lifted and horizontally conveyed.
[0003]
However, when the cut-out plate is pulled out as described above, depending on the outer shape of the cut-out plate, a part of the outer periphery of the cut-out plate is caught on an edge of an opening portion that becomes a cutout mark of the material plate, and a smooth drawing operation is performed. May be hindered. In particular, when the cutout plate has an outer shape having a protruding piece or a groove extending in a direction perpendicular to the drawing direction, the above-described catch is likely to occur. If the obstacle of the draw-out operation due to such a catch occurs, it becomes a cause of stopping the automatic operation.
[0004]
On the other hand, conventionally, in order to obtain a seamless cut material, a long material plate material is cut along the length direction by the plate material processing machine. In the case of performing such a cutting, when the cutting proceeds to some extent, a long cutting piece along the material length direction is generated. This long piece in the middle of cutting is connected to the material plate only at the base end in the cutting direction, and the holding by the work holder or the like of the plate processing machine is in a state of only the holding by the connecting part of the base end. For this reason, a cut along the long piece in the middle of cutting may be opened at the leading end of the plate material, or conversely, the cut may be too closed, and the leading end of the piece in the middle of cutting may overlap with another portion of the material plate. If such cuts are excessively opened or closed, the cuts are bent or the cut surface is deformed, and the quality is reduced.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to provide a plate material processing system capable of smoothly carrying out a plate material cut by a plate material processing machine without causing a catch with a material plate material.
Another object of the present invention is to provide a plate material processing system capable of cutting a long plate material neatly without causing deformation or deterioration of cut surface quality when cutting the long plate material.
[0006]
[Means for Solving the Problems]
A first invention of the present invention will be described with reference to FIG. 1 corresponding to the embodiment. This plate processing system is provided with a plate processing machine (1), a plate transfer device (3), and a synchronous movement control means (62) at the time of drawing.
The plate processing machine (1) feeds the raw plate (W) on the table (5) by the plate feed mechanism (7), cuts the raw plate (W) by the processing head (6), and cuts the raw plate (W). )), At least one cut-off plate material (M) is cut out. The plate material transfer device (3) holds the cut plate material (M) on the table (5) of the plate material processing machine (1) at one side of the surface, and pulls out the plate material in the horizontal direction from the plate material processing machine (1). It is carried out of the machine.
The pull-out synchronous movement control means (62) is configured to pull out the cut-out plate material (M) by the plate-material transfer device (3) when the cut-out plate material (M) is drawn out by the plate-material transfer device (3). Means for controlling the plate feed mechanism (7) so as to feed the raw plate (W) in the same direction and at the same speed.
[0007]
According to this configuration, when the plate material processing machine (1) cuts the cut plate material (M) from the material plate material (W), the plate material transport device (3) draws out the cut plate material (M). At this time, under the control of the withdrawal synchronous movement control means (62), the plate material feeding mechanism (7) of the plate material processing machine (1) adjusts the drawing direction (X) of the cut plate material (M) by the plate material transport device (3). The material plate (W) is sent in the same direction at the same speed. As described above, since the material plate (W) is fed in synchronization with the drawing of the plate material transporting device (3), the cut-out plate (M) can be pulled out without being caught on the material plate (W). Therefore, the cut-out plate material (M) can be smoothly carried out.
[0008]
A plate material processing system according to a second aspect of the present invention includes a plate material processing machine (1), a plate material transport device (3), and a synchronous movement control means (62) at the time of drawing.
The plate processing machine (1) feeds the raw plate (W) on the table (5) by the plate feed mechanism (7), cuts the raw plate (W) by the processing head (6), and cuts the raw plate (W). From at least one cutting plate material (M). The plate material transporting device (3) has a plurality of suction pads (35) and a transport moving mechanism (30) for moving the suction pads (35) up and down and moving horizontally, and the table (1) of the plate material processing machine (1). 5) The cut-off plate material (M) on the upper surface is sucked and lifted by one suction pad (35) at one side of the surface, and the other suction pads (35) interfere with the processing head (6). The suction pad (35) is moved by the transfer mechanism (30) so that the cut-out plate material (M) is pulled out in the horizontal direction to a position where the cut-out plate material (M) can be adsorbed without any occurrence.
The pull-out synchronous movement control means (62) is adapted to feed the material plate (W) in the same direction as the pull-out direction (X) at the same speed when the cut-out plate is pulled out by the transfer mechanism (30). This is means for controlling (7).
[0009]
In the case of this configuration, when the cut plate material (M) is cut from the raw plate material (W) by the plate material processing machine (1), the plate material transfer device (3) removes the cut plate material (M) on the table (5). The suction pad (35) is suctioned and lifted by one suction pad (35) at one side of the front surface, and the suction pad (35) is moved by the transfer mechanism (30). At this time, the cutting plate material (M) is pulled out in a horizontal direction to a position where the other suction pad (35) can suck the cutting plate material (M) without causing interference with the processing head (6). At the time of performing the drawing operation, the sheet feeding mechanism (7) of the sheet processing machine (1) pulls out the cut sheet material (M) by the sheet conveying device (3) under the control of the synchronous movement control means (62). The plate is fed at the same speed in the same direction as the direction (X). As described above, since the material plate (W) is fed in synchronization with the drawing of the plate material transporting device (3), the cut-out plate (M) can be pulled out without being caught on the material plate (W). That is, the cut-out plate material (M) can be pulled out without being caught on the edge of the notch which becomes the cut trace of the material plate material (W). Therefore, the cutout plate (M) can be smoothly pulled out. In addition, at the time of the above-mentioned drawing, the tip of the cut-out plate material (M) is prevented from being caught by slightly lifting the suction pad (35) and pulling it out. After the drawer, the cut-off plate material (M) is suctioned again by another suction pad (35), lifted and carried out, so that the suction plate material (M) can be reliably sucked and lifted, and without any problem such as dropping on the way, it can be lifted. It can be carried out in a state.
[0010]
A third invention of the present invention will be described with reference to FIGS. 8 and 9 corresponding to the embodiment. This plate processing system includes a plate processing machine (1), a plate transfer device (3), and a synchronous movement control means (65) during processing.
The sheet material processing machine (1) grips one side of the material sheet material (W) by the sheet material feeding mechanism (7), sends the material sheet material (W) on the table (5), and sends the material sheet material (W) by the processing head (6). (W) is cut. The plate material transfer device (3) is for drawing out a plate material on a table (5) of the plate material processing machine (1) in a horizontal direction and carrying out the plate material processing machine (1) to the outside.
The processing-time synchronous movement control means (65) controls the sheet material processing machine (1) when the sheet material processing machine (1) cuts the material sheet material (W) in the pull-out direction by the sheet material conveying device (3). In synchronization with the movement of the material plate (W) in the drawing direction (X) according to 1), the non-grip-side cutting piece (7) of the material plate (W) by the plate feed mechanism (7) in the same direction and at the same speed. This is to move the plate material transport device (3) so as to draw out Wa).
In the case of this configuration, in synchronism with the feed for cutting the material plate material (W) by the plate material processing machine (1), the plate material transfer device (3) pulls out the halfway piece (Wa) in the same direction and at the same speed by the plate material transfer device (3). For this reason, it is possible to prevent the cut along the long cutting piece from opening at the plate material tip side, or prevent the cut from being too close and the tip of the cutting piece (Wa) from overlapping the material plate material (W). . Therefore, cutting can be performed neatly without causing deformation or deterioration of the quality of the cut surface.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS. This embodiment corresponds to the first and second inventions. The plate processing system includes a plate processing machine 1, a plate transfer device 3, and a control device 60 that controls the plate processing machine 1 and the plate transfer device 3.
[0012]
The sheet material processing machine 1 sends a sheet material W as a material forward and backward (Y-axis direction) and left and right (X-axis direction) on a table 5 by a sheet material feeding mechanism 7, and cuts the material sheet material W with a processing head 6. At least one cut-out plate material M is cut out from the plate material W. The plate processing machine 1 may be a punch press or a laser processing machine as long as it can perform the above-described processing. In this example, a turret type punch press is used. The processing head 6 is a part having a tool for processing the plate material W and a tool driving system for the tool. In the case of a punch press, the processing head 6 is a mechanism in which a ram (not shown) for performing a punch operation of a punch tool at a predetermined processing position P is installed so as to be able to move up and down. Be composed. The processing head 6 is covered with a body cover together with the upper frame portion 14a. In each of the drawings, the frame 14 is shown not in the frame itself but in a state covered with a body cover.
[0013]
The plate material transporting device 3 holds the cut plate material M on the table 5 of the plate material processing machine 1 on one side of the surface by the gripping means 28, pulls out the plate material in the horizontal direction (X-axis direction), and externally moves the plate material processing machine 1 out of the machine. Is to be carried out. The plate material transfer device 3 has a plurality of suction pads 35 constituting the gripping means 28 and a transfer mechanism 30 for vertically moving and horizontally moving the suction pads 35.
[0014]
The plate material storage devices 2 are arranged side by side of the plate material processing machine 1, and the plate material transfer device 3 is installed so that the plate material W can be transferred between the plate material processing device 1 and the plate material storage device 2. Have been. The plate material processing machine 1 and the plate material storage device 2 are arranged slightly apart from each other, an auxiliary table 4 is provided between them, and an operation panel 16 (FIG. 2) is provided in front of the two.
[0015]
As shown in FIG. 2, the plate processing machine 1 includes a table 5 on which the plate W is placed, the processing head 6 for processing the plate W on the table 5, and a plate feed mechanism 7 for moving the plate W on the table 5. And
The plate feeding mechanism 7 causes the X-axis motor 71 (FIG. 1) to move the plate W in the left-right direction (X-axis direction), and the Y-axis motor 72 moves the plate W in the Y-axis direction (front-back direction). Is performed. The plate feeder 7 is provided with a cross slide 11 movably in the left-right direction (X-axis direction) on a carriage 10 that moves on the rail 9 of the lower frame 8 in the front-rear direction (Y-axis direction). A plurality of work holders 12 for gripping are mounted on the cross slide 11. The X-axis motor 71 drives the cross slide 11 forward and backward, and the Y-axis motor 72 drives the carriage 10 forward and backward. These forward and backward driving are performed via a feed screw mechanism (not shown) such as a ball screw. The left-right direction (X-axis direction) is the direction in which the plate material processing machine 1 and the plate material storage device 2 are arranged. The table 5 has a pair of fixed tables 5b separated from each other on both sides of a center fixed table 5a, and a movable table 5c that moves back and forth with the carriage 10 is provided between the center and the side fixed tables 5a and 5b. Things.
[0016]
With respect to the processing head 6, a pair of upper and lower turrets 13 are installed on the upper frame portion 14a and the lower frame portion 14b of the frame 14. A punch tool and a die tool (not shown) are respectively installed at a plurality of circumferential positions of the upper and lower turrets 13. In the processing head 6, a sub head 15 is installed near the turret 13 along with a processing position P which is a punch position. The sub-head 15 is a means for separating the cut-out plate material M, which has been processed from the outer periphery of the material plate material W and is partially connected to the material plate material W, from the material plate material W, and is configured by a dedicated punch mechanism. On the table 5, an end locator 17 for positioning the loaded material plate material W in the left-right direction is installed so as to be able to protrude and retract, and is protruded and retracted by driving means such as a cylinder device. The end locator 17 and the work holder 12 serve as the positioning member 16 when the material plate W is loaded into the plate processing machine 1.
[0017]
The plate material storage device 2 arranges a cut plate material storage portion E1 on which the cut plate material M is loaded and a material storage portion E2 on which the material plate material W is loaded in a direction orthogonal to the direction in which the plate material processing machine 1 and the plate material storage device 2 are arranged. It is provided. In this example, in addition to the cut-off plate material storage portion E1 and the material storage portion E2, a storage portion E3 for loading the skeleton S is provided. The skeleton S is a remaining material on the outer periphery obtained by cutting out the cut-out plate material M from the material plate material W. Pallets 21a to 23a are installed in the storage sections E1 to E3, respectively.
[0018]
The plate material transfer device 3 is configured to move the gripping means 28 in three orthogonal directions by a transfer mechanism 30. The plate material transport device 3 carries in the material plate material W into the plate material processing machine 1 and carries out the cut-out plate material M.
The plate material transporting device 3 is provided with a movable base 26 that extends long in a direction orthogonal to the advance / retreat direction on the fixed base 25 so as to be able to advance and retreat, and a traveling body 27 is installed along the movable base 26 so as to be able to advance and retreat. The holding means 28 for the plate material W is installed. The moving direction of the movable table 26 is a direction (Y-axis direction) orthogonal to the separation direction (X-axis direction) between the plate processing machine 1 and the plate storage device 2. The fixed base 25 and the movable base 26 constitute a base 29 for supporting the traveling body 27 so as to be movable in two orthogonal directions. The base 29 and the driving base and driving means for each direction include a traveling base. The transport mechanism 30 moves in a rectangular coordinate system for moving the body 27 in three orthogonal directions.
[0019]
The fixed base 25 includes a pair of fixed rails 25 a extending along both left and right sides of the plate material storage device 2. The movable base 26 is a linear frame that extends in a cantilever manner on the table 5 of the plate processing machine 1, and is mounted on the pair of fixed rails 25a so as to be movable forward and backward by a pair of legs 26a. The tip of the movable base 26 extends to near the side surface of the upper frame portion 14a of the plate processing machine 1. The movable base 26 has a rail extending along the longitudinal direction, and a traveling body 27 is installed along the rail so as to be able to travel freely. The drive for moving the movable base 26 forward and backward and the drive for driving the traveling body 27 are performed by driving devices 31 and 32 (FIG. 2), respectively. Each of the movable base drive unit 31 and the traveling unit drive unit 32 includes, for example, a rack and pinion mechanism and a servomotor that drives the pinion. The movable table driving device 31, the traveling unit driving device 32, the rail 25a for guiding the movable table 26 and the traveling unit 27, and the like constitute the above-described transport mechanism 30 in the rectangular coordinate system.
[0020]
The traveling body 27 has a pad mounting frame 33, and the pad mounting frame 33 is provided with a suction pad 35 constituting the gripping means 28. The pad mounting frame 33 is installed on the traveling body 27 so as to be able to move up and down, and is driven up and down by an elevating device 34 (FIG. 3) installed on the traveling body 27. The elevating device 34 includes, for example, a rack and pinion mechanism and a servomotor that drives the pinion.
[0021]
As shown in FIG. 4, the gripping means 28 includes a suction pad array 36 in which a plurality of suction pads 35 are arranged in a plane on the pad mounting frame 33 and mounted. Further, a floater 51 for material separation is mounted on the pad mounting frame 33. The pad mounting frame 33 includes a main frame 33a and telescopic frames 33b and 33c provided on both left and right sides thereof. The main frame 33a is configured to frame a plurality of frame members 39 and 40. The left and right telescopic frames 33b and 33c are respectively attached to the main frame 33a via a guide member 37 so as to be extendable and contractible, and are driven to expand and contract by a telescopic drive device 38, respectively. The guide member 37 includes a guide rod 37a fixed to the telescopic frames 33b and 33c, and a receiving member 37b provided on the main frame 33a to guide the guide rod 37a. A fluid pressure cylinder device is used for the expansion / contraction drive device 38. The telescopic drive device 38 may be constituted by a rack and pinion mechanism and a motor instead of the cylinder device.
[0022]
A plurality of suction pads 35 are provided on each of the frame members 39 extending in the front-rear direction (Y-axis direction) of the pad mounting frame 33 and the left and right telescopic frames 33b and 33c in the front-rear direction. Therefore, the distance between the suction pad 35 attached to the main frame 33a and the suction pad 35 attached to the extensible frames 33b, 33c can be freely changed by the expansion and contraction of the extensible frames 33b, 33c. This interval change is performed in accordance with the environment of the plate material processing machine 1 and the plate material storage device 2, and is performed according to the size and shape of the material plate material W and the cut-out plate material M2.
[0023]
Each of the suction pads 35 constituting the suction pad array 36 is of a vacuum suction type, and is connected to a suction device by piping. Of these suction pads 35, some suction pads 35 A , 35 B Consists of a group of small pads in which small pads 41 are collected. The small pads 41 are suction pads smaller than the entire size of the suction pads 35, and each has a suction function.
The suction pad 35 composed of the small pad group A , 35 B Are concentratedly arranged on a part of the suction pad array 36 and constitute a small pad group concentrated arrangement section 42. The position of the small pad group concentrated arrangement section 42 is preferably a position corresponding to the sheet material discharge position A in the sheet material processing machine 1. In this example, the small pad group concentrated arrangement section 42 In the vicinity of one corner, specifically, near the corner on the plate material processing machine 1 side and on the near side.
[0024]
Each suction pad 35 constituting the small pad group concentrated arrangement section 42 A , 35 B Among them, at least one specific one (one in the illustrated example) is an advanced suction pad 35 that can freely advance from the small pad group concentrated arrangement portion 42. B It is said. Remaining suction pad 35 A One of them is attached to the telescopic frame 33b, and the other suction pads 35 A Are attached to a common centrally arranged portion attachment member 45 provided on the main frame 33a.
[0025]
Advance suction pad 35 B Is attached to the telescopic frame 33b via the advance mechanism 46. The advance mechanism 46 includes the advance suction pad 35. B Is extended and contracted from the small pad group concentrated arrangement section 42. B And a forward / backward drive means 48 for rotating the turning arm 47 in the forward and reverse directions. The swivel arm 47 is attached to the telescopic frame 33b via a support member 50 so as to be horizontally rotatable around a support shaft 49, and is shown in a retracted position along the telescopic frame 33b as shown by a solid line in FIG. As described above, it is possible to pivot between the telescopic frame 33b and an advanced position protruding from the telescopic frame 33b by a predetermined angle (for example, 90 °). The forward / backward driving means 48 is composed of a hydraulic cylinder device. In this manner, the suction pad 35 which is advanced by the rotation of the rotation arm 47 is advanced. B , The traveling suction pad 35 can be moved in a state where the traveling body 27 reaches the forward end. B Can be freely advanced between the turret 13 and the sub head 15 in the plate material processing machine 1.
The advance suction pad 35 B May be provided so as to be able to advance and retreat from the pad mounting frame 30 without providing the small pad group concentrated arrangement portion 42.
[0026]
The control system will be described with reference to FIG. The control device 60 is a means for controlling the entire plate processing system, and includes a processing machine control device 61 for controlling the plate processing machine 1 and a transfer control device 63. The processing machine control device 61 and the transport control device 63 mutually transmit and receive various signals such as completion of the operation to synchronize the operation timings of the plate material processing machine 1 and the plate material transport device 3. The processing machine control device 61 includes a computer-type numerical control device, and controls the sheet material processing machine 1 according to a processing program (not shown). The numerical controller has a numerical controller and a programmable controller. The numerical control unit controls each axis, for example, the motors 71 and 72 for driving the X-axis and the Y-axis in the plate feeding mechanism 7 and the motor 73 serving as a punch driving source of the processing head 6. The transfer control device 63 includes a sequencer of a computer type or the like, and controls according to a transfer program (not shown). Note that the transfer control device 63 may be configured on the same computer as the processing machine control device 61.
[0027]
In the sheet material processing system, when the cut-out sheet material M is pulled out by the sheet-feeding device 3 in the control device 60, the speed is the same as the drawing direction (X-axis direction) of the cut-out sheet material M by the sheet-feeding device 3. In order to feed the material plate material W, there is provided a synchronous movement control means 62 at the time of drawing which controls the plate material feeding mechanism 7 in the plate material processing machine 1.
[0028]
The processing machine control device 61 and the transport control device 63 in the control device 60 perform steps Q1 to Q3, R to R5 shown in the flowchart in FIG. 5 from the final process of the outer shape processing of the cut-out plate material M to the unloading process by the plate material transport device 3. The processing program and the transport program are set so as to perform the processing of R3. The pull-out synchronous movement control means 62 in FIG. 1 specifically causes the transfer control device 63 to perform the pull-out operation after the final punch step Q2 in FIG. It is constituted by a command for the process (Q3) for performing the movement and the hardware of the processing machine control device 61 for executing the command.
[0029]
Next, the operation of the above configuration will be described. In the material storage portion E2 of the plate material storage device 2, the material plate materials W are stacked in a stacked state on the material pallet 22a. When the material plate material W is carried into the plate material processing machine 1, the traveling body 27 is moved in the X and Y directions so that the suction pad array 36 of the traveling body 27 is positioned above the material plate material W of the material storage unit 22. Let it. The movement of the traveling body 27 in the Y-axis direction is performed by the movement of the movable base 26 in the Y-axis direction. In this state, the suction pad array 36 is lowered from the traveling body 27, and the suction plate array 36 is again raised after the material plate material W is sucked by the suction pads 35 of the suction pad array 36.
In this manner, while the workpiece W is being gripped by the traveling body 27, the traveling body 27 travels toward the plate processing machine 1 and the movable table 26 moves in the Y-axis direction, and the suction pad array 36 is lowered. Then, the material plate W is carried into a predetermined carry-in position on the table 5 of the plate processing machine 1.
[0030]
The loaded material plate W is gripped by the work holder 12 of the plate processing machine 1. In the plate material processing machine 1, a desired portion of the material plate material W is positioned at the processing position P by moving the plate material feeding mechanism 7 back and forth and right and left, and punching is performed. By repeating the movement of the plate material and the punch operation, the outer shape of the cut-out plate material M is cut out from the material plate material W.
[0031]
The cut-out plate material M cut out by the plate material processing machine 1 is discharged from a predetermined plate material discharge position A on the table 5 of the plate material processing machine 1 or an arbitrary discharge position. When the cut-off plate material M is cut off using the sub head 15, the predetermined plate material discharge position A is a position near the sub head 15. As a basic operation of this discharge, the traveling body 27 is moved to the plate material discharge position A, the suction pad array 36 is lowered to suck the cut-out plate material M, and after the suction pad array 36 is lifted, the traveling body 27 is moved. This is performed by moving the product to the product storage section 21 of the plate material storage device 2 and lowering the pad array 36 to release the suction of the suction pad 35. At the time of loading and unloading, the suction pad array 36 is used to select between the expanded state and the contracted state of the telescopic frames 33b and 33c on both sides, and to set the suction pad 35 out. B By selecting the advancing and retreating state by the turning arm 47, the transport suitable for the size and shape of the material plate material W and the cut-out plate material M is performed.
[0032]
To discharge the cutout plate material M, in detail, in addition to the above-described basic operation, the following drawing operation is performed. This operation will be described with reference to FIGS.
As shown in step Q1 in FIG. 5, when performing the outer shape processing of the cut-out plate material M by the plate material processing machine 1, the final one punch is left, and the material plate material W is positioned at a position where the final punch is performed. The final punch is performed by the sub head 15, for example. The transfer control device 63 receives the signal of the completion of the final positioning from the processing machine control device 61, and the transfer control device 63 causes the plate material transfer device 3 to perform the unload / suction command (R1) for lowering and sucking the suction pad 35. )Output. At the time of positioning for the final punch, as shown in FIG. 7 (A), only a part of the cut-off plate material M is at a position protruding from the turret 13 or the processing head 6, and the plate material transporting device 3 35 A , 35 B Performs adsorption only with Some of the suction pads are corner suction pads 35. A Only, or the suction pad 35 at this corner A And the suction pad 35 near it B It is. Prior to the lowering and the suction, the plate material transporting device 3 performs the above-mentioned partial suction pads 35 while performing the outer shape processing by the plate material processing machine 1. A , 35 B The pad mounting frame 33 is made to stand by at a plane position where it can be sucked.
[0033]
The plate material conveying device 3 is lowered and some of the suction pads 35 are moved. A , 35 B Is performed, the confirmation of the suction is performed by a confirmation means (not shown) provided in the plate material transporting device 3, and the processing machine control device 61 issues a final punch command by the confirmation signal. Is output (Q2). When the sheet material processing machine 1 performs the final punch according to this command, the processing machine control device 61 outputs a signal such as movement permission, so that the transport control device 63 pulls out the cut-out plate material M (FIG. 7B). This drawer is used for the suction pad 35. A , 35 B Is carried out in a slightly raised state. In this drawing, substantially the entire cut plate material M can be sucked by the suction pad 35 of the plate material transporting device 3 and even if the cut plate material M is lifted directly above, the cut plate material M is processed by the processing head 6 of the plate processing machine 1 or the like. To a position that does not interfere with However, it is preferable that the drawing distance is short as long as the interference does not occur. The amount of this withdrawal is set, for example, in advance in a transport program. At the time of program creation, an appropriate drawing distance can be obtained from the relationship between the shape and dimensions of the cut-out plate material M and the dimensions of the plate material processing machine 1 and the plate material transport device 3.
When the cutting plate material M is pulled out, the processing machine control device 61 causes the X-axis movement (Q3). That is, the work holder 12 holding the material plate W is moved in the X-axis direction by the plate feed mechanism 7. This movement is performed at the same speed as the moving speed of the plate material transporting device 3 in the drawing direction (X) of the cut-out plate material M.
[0034]
As described above, since the material plate material W is fed in synchronization with the drawing, the cut-out plate material M can be pulled out without causing the material plate material W to be caught.
For example, a plurality of cut-out plate materials M (M 1 ~ M 5 ), The cut-out plate material M has an outer shape (M) that has an outer diameter line portion a that partially intersects the above-mentioned drawing direction and whose plate end face faces the drawing direction. 3 ~ M 5 In the case of ()), simply pulling out may cause the outer diameter wire portion a facing the above-described drawing direction to be caught on the material plate material W. That is, as shown in FIG. 6 Is pulled out to the position indicated by the imaginary line, if there is a remaining portion of the material plate material W in the area F, catching occurs. Such catching is prevented by moving the material plate W in synchronization with the cut-out plate M. In addition, the side aa of the end on the drawer side is excluded from the outer diameter wire portion a facing the drawer direction. The side aa slightly raises the suction pad 35 at the time of withdrawal, so that interference is avoided.
[0035]
When the extraction of the cut-out plate material M is completed, the suction by the suction pad 35 of the plate material transport device 3 is temporarily released, and the pad mounting frame 33 is moved to a position where the plurality of suction pads 35 can suction substantially the entire cut-out plate material M ( (FIG. 7 (C)). This movement may be simply a movement in a direction opposite to the drawing direction, or may be a combined movement in the X-axis direction and the Y-axis direction. After the substantially entire surface of the cut-out plate material M is suctioned by the suction pad 35 in this manner, the pad mounting frame 33 is raised, and the traveling body 27 is caused to travel to carry out the cut-out plate material M. In this way, smooth carry-out without catching can be performed. Further, since the synchronous movement control means 62 is provided in the control device 60, the reliability of the synchronous control can be improved.
[0036]
8 and 10 show another embodiment of the present invention. This embodiment corresponds to the third invention. In this embodiment, a processing-time synchronous movement control means 65 is provided in a control device 60 in place of the drawer synchronization control means 62 in the first embodiment. The processing synchronous movement control means 65 is provided in the transport control device 63. The synchronous movement control means 65 at the time of processing, when the sheet material processing machine 1 cuts the material sheet material W along the drawing direction (X-axis direction) by the sheet material conveying device 3, the above-mentioned material sheet material W by the sheet material processing machine 1. This is control means for moving the plate material transporting device 3 so as to pull out the halfway piece Wa of the plate material W in the same direction at the same speed in synchronization with the movement in the drawing direction. When the material plate material W is long in the drawing-out direction (X-axis direction) and the cutting distance in the drawing-out direction is long, the processing-time synchronous movement control means 65 is, for example, used for processing a seamless cut material. This function is used when cutting over a network. The processing synchronous movement control means 65 is constituted by a transfer program in the transfer control device 63, for example. Other configurations of the plate material processing system in this embodiment are the same as those in the first embodiment.
[0037]
The operation of this embodiment will be described. A case where the long material plate material W shown in FIG. 9A is cut along the length direction as shown by a cutting line L will be described. The plate processing machine 1 cuts the plate W by repeating the operation of feeding the plate W on the table 5 by the plate feed mechanism 7 and punching the raw plate W by the processing head 6. At this time, in synchronization with the movement of the plate material W in the drawing direction (X-axis direction) by the plate material processing machine 1, the synchronous movement control means 65 in FIG. Then, the plate material conveying device 3 is moved so as to pull out the piece Wa in the middle of cutting the plate material W at the same speed.
In this way, in synchronism with the feed for cutting of the material sheet W by the sheet material processing machine 1, the piece Wa being cut out is pulled out at the same speed in the same direction by the sheet material transporting device 3 in synchronization with the feeding, as shown in FIG. In the meantime, the cut along the long cutting piece Wa may be opened at the plate material tip side, or the cut may be too close, as shown in FIG. Is prevented. Therefore, cutting can be performed neatly without causing deformation or deterioration of the quality of the cut surface.
The movement of the plate material transport device 3 is performed by gripping the plate material W by the gripping means 28 and moving the gripping means 28. The holding means 28 is constituted by the plurality of suction pads 35 as described above.
In the case of this embodiment, the gripping means 28 is not limited to the suction pad, but may be a gripper (not shown) that grips the plate material W therebetween.
Further, in this embodiment, since the synchronous movement control means 65 is provided in the control device 60, the reliability of the synchronous control can be improved.
[0038]
【The invention's effect】
In the plate material processing system according to the first and second aspects of the present invention, when the plate material conveying device draws the cut plate material, the plate material is fed at the same speed in the same direction as the direction in which the cut plate material is drawn by the plate material transport device. Since the drawing-out synchronous movement control means for controlling the plate material feeding mechanism is provided, the plate material cut out by the plate material processing machine can be smoothly carried out without being caught by the material plate material.
A plate material processing system according to a third aspect of the present invention is configured such that, when the plate material processing machine cuts the plate material in the drawing direction by the plate material conveying device, the plate material processing machine moves the plate material in the drawing direction. Synchronously, since the processing synchronous movement control means for moving the plate material transport device so as to pull out a piece of the plate material in the same direction at the same speed at the same speed is provided, when cutting a long plate material in the longitudinal direction, deformation and It is possible to cut neatly without lowering the quality of the cut surface.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a conceptual configuration of a plate processing system according to a first embodiment of the present invention.
FIG. 2 is a plan view of equipment in the plate processing system in which a plate processing machine and a plate transfer device are combined.
FIG. 3A is a front view of the combined equipment, and FIG. 3B is a partial side view of the plate processing machine.
FIG. 4 is a plan view showing a suction pad array of the plate material conveying device.
FIG. 5 is a flowchart showing the relationship between the processing of the processing machine control device and the process of the transfer control device.
6A is an explanatory diagram of a shape example of a raw plate material and a cutout plate material, and FIG. 6B is an explanatory diagram of a movement example of the cutout plate material.
FIG. 7 is an explanatory diagram of the operation of the plate material transport device when the cut-out plate material is pulled out.
FIG. 8 is an explanatory diagram showing a conceptual configuration of a plate processing system according to another embodiment of the present invention.
FIG. 9 is an explanatory diagram of a processing example and an operation example of the plate processing system.
FIG. 10 is an explanatory diagram of a failure example during processing of a long plate material.
[Explanation of symbols]
1. Plate processing machine
3. Plate material transfer device
5 ... Table
6 ... Processing head
7 ... Sheet feeding mechanism
12 Work holder
15 ... Sub head
27 ... Traveling body
28 ... gripping means
30 ... Conveyance moving mechanism
33… Pad mounting frame
35 ... Suction pad
35 A , 35 B … Suction pads for small pads
46: Advance mechanism
60 ... Control device
61 ... Processing machine control device
62 ... synchronous movement control means at the time of drawer
63… Transport control device
65: synchronous movement control means during machining
a ... Outline
P… Processing position
M: Cutting plate material
W: Material plate
Wa: Piece in the middle of cutting

Claims (3)

板材送り機構により素材板材をテーブル上で送り、加工ヘッドにより素材板材を切断してこの素材板材から少なくとも一枚の切取板材を切り取る板材加工機と、
この板材加工機のテーブル上にある切取板材を表面の一側部で保持し、水平方向に引き出して板材加工機から機外に搬出する板材搬送装置と、
上記板材搬送装置で上記切取板材を引き出すときに、この板材搬送装置による切取板材の引出し方向と同方向に同速度で素材板材を送るように上記板材送り機構を制御する引出し時同期移動制御手段
とを備えた板材処理システム。
A plate material processing machine that feeds a material plate material on a table by a plate material feed mechanism, cuts the material plate material by a processing head, and cuts at least one cut plate material from this material plate material,
A sheet conveying device that holds a cut plate on a table of the sheet processing machine at one side of the surface, pulls out in a horizontal direction, and carries out the sheet processing machine out of the machine,
Withdrawal synchronous movement control means for controlling the plate material feeding mechanism so as to feed the material plate at the same speed in the same direction as the direction in which the cut material is pulled out by the plate material transfer device when the cut material is pulled out by the plate material transfer device. Plate processing system equipped with.
板材送り機構により素材板材をテーブル上で送り、加工ヘッドにより素材板材を切断してこの素材板材から少なくとも一枚の切取板材を切り取るを板材加工機と、
複数の吸着パッドおよびこれら吸着パッドの昇降および水平移動を行わせる搬送移動機構を有し、上記板材加工機のテーブル上にある切取板材を、表面の一側部で一部の吸着パッドにより吸着して持ち上げ、他の吸着パッドが上記加工ヘッドとの干渉を生じず上記切取板材を吸着可能な位置まで、上記切取板材を水平方向に引き出すように上記搬送移動機構により吸着パッドを移動させる板材搬送装置と、
上記搬送移動機構による切取板材の引出し時に、引出し方向と同方向に同速度で素材板材を送るように上記板材送り機構を制御する引出し時同期移動制御手段とを備えた板材処理システム。
A sheet material processing machine that feeds the material sheet material on the table by the sheet material feeding mechanism, cuts the material sheet material by the processing head, and cuts out at least one cut sheet material from this material sheet material,
It has a plurality of suction pads and a transport movement mechanism for performing vertical movement and horizontal movement of these suction pads, and a cut plate material on a table of the plate material processing machine is sucked by one suction pad at one side of the surface. A plate material transporting device that moves the suction pad by the transport moving mechanism so that the suction plate material is pulled out in a horizontal direction to a position where another suction pad does not interfere with the processing head and can suck the cut plate material without causing interference with the processing head. When,
A plate material processing system comprising: a drawing-out synchronous movement control means for controlling the plate material feeding mechanism so as to feed the material plate material in the same direction as the drawing direction at the same speed when the cut-out plate material is pulled out by the transport moving mechanism.
板材送り機構により素材板材の1辺を把持してこの素材板材をテーブル上で送り、加工ヘッドにより素材板材を切断する板材加工機と、
この板材加工機のテーブル上にある板材を水平方向に引き出して板材加工機から機外に搬出する板材搬送装置と、
上記板材加工機が、素材板材を上記板材搬送装置による引出し方向に沿って切断を行うときに、上記板材加工機による板材の上記引出し方向への移動に同期して、同方向に同速度で板材の板材送り機構による非把持側の切断途中片を引き出すように上記板材搬送装置を移動させる加工時同期移動制御手段
とを備えた板材処理システム。
A sheet material processing machine that grips one side of the material sheet material by a sheet material feeding mechanism, sends the material sheet material on a table, and cuts the material sheet material by a processing head;
A plate material transfer device that horizontally pulls out a plate material on a table of the plate material processing machine and carries it out of the plate material processing machine,
When the plate material processing machine cuts the material plate material in the drawing direction by the plate material transfer device, the sheet material is moved at the same speed in the same direction in synchronization with the movement of the plate material in the drawing direction by the plate material processing machine. And a synchronous movement control means during processing for moving the plate material transporting device so as to pull out a piece in the middle of cutting on the non-grip side by the plate material feeding mechanism.
JP2002200837A 2002-07-10 2002-07-10 Board processing system Expired - Fee Related JP4045879B2 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006159270A (en) * 2004-12-10 2006-06-22 Fukagawa:Kk Automatic self-aligning supply arrangement of duct blank
JP2007283367A (en) * 2006-04-18 2007-11-01 Murata Mach Ltd Plate production controller
JP2007326107A (en) * 2006-06-06 2007-12-20 Murata Mach Ltd Apparatus for carrying out metal plate
JP2011161484A (en) * 2010-02-10 2011-08-25 Murata Machinery Ltd Plate carrying-out system
WO2015010807A1 (en) * 2013-07-23 2015-01-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Method and mechanical device for removing a workpiece cutout from a cutting unit of a machine tool, and manufacturing method and mechanical arrangement for manufacturing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006159270A (en) * 2004-12-10 2006-06-22 Fukagawa:Kk Automatic self-aligning supply arrangement of duct blank
JP4680579B2 (en) * 2004-12-10 2011-05-11 株式会社フカガワ Automatic alignment supply device for duct base plate
JP2007283367A (en) * 2006-04-18 2007-11-01 Murata Mach Ltd Plate production controller
JP2007326107A (en) * 2006-06-06 2007-12-20 Murata Mach Ltd Apparatus for carrying out metal plate
JP2011161484A (en) * 2010-02-10 2011-08-25 Murata Machinery Ltd Plate carrying-out system
WO2015010807A1 (en) * 2013-07-23 2015-01-29 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Method and mechanical device for removing a workpiece cutout from a cutting unit of a machine tool, and manufacturing method and mechanical arrangement for manufacturing
CN105848802A (en) * 2013-07-23 2016-08-10 通快机床两合公司 Method and mechanical device for removing workpiece cutout from cutting unit of machine tool, and manufacturing method and mechanical arrangement for manufacturing

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