JPH06131031A - Discharge working system - Google Patents

Discharge working system

Info

Publication number
JPH06131031A
JPH06131031A JP4284489A JP28448992A JPH06131031A JP H06131031 A JPH06131031 A JP H06131031A JP 4284489 A JP4284489 A JP 4284489A JP 28448992 A JP28448992 A JP 28448992A JP H06131031 A JPH06131031 A JP H06131031A
Authority
JP
Japan
Prior art keywords
pallet
electrode
electric discharge
electrodes
work
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4284489A
Other languages
Japanese (ja)
Inventor
Hisayoshi Hodozuka
久善 保戸塚
Toshiaki Makino
敏明 牧野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Makino Milling Machine Co Ltd
Original Assignee
Makino Milling Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Makino Milling Machine Co Ltd filed Critical Makino Milling Machine Co Ltd
Priority to JP4284489A priority Critical patent/JPH06131031A/en
Publication of JPH06131031A publication Critical patent/JPH06131031A/en
Pending legal-status Critical Current

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  • Automatic Tool Replacement In Machine Tools (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • General Factory Administration (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

PURPOSE:To improve the operating efficiency of a discharge working system in which the plural groups of NC discharge working machines can be managed. CONSTITUTION:This system is equipped with a work pallet 2 on which plural works are placed, electrode pallet 3 on which plural electrodes are placed, and plural NC discharge working machines 1 constituted of an ATC magazine 9 in which the plural electrodes are housed and a table on which the work pallet or the electrode pallet is placed. Then, the system is equipped with a pallet stocker 4 constituted of a temporary housing station in which the work pallet 2 or the electrode pallet 3 is temporarily housed and a step-up station 8, conveying car 6 which conveys the pallet between the pallet stocker 4 and the NC discharge working machines 1, and system computer 7 which stores plural working programs, and controls the operation of the NC discharge working machines 1 and the conveying car 6 based on a working schedule.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は複数の放電加工機と複数
のパレットストッカとの間で搬送車を介してパレットの
授受を行い自動的に加工を進捗させる放電加工システム
に関し、特に複数の電極を予めNC放電加工機(ED
M)内のATC(自動電極交換装置)のマガジンポット
に収納し、複数のワークを載せたワークパレットをED
Mのテーブル上に載せて固定し、前記電極を1本ずつE
DMの主軸に取り付けた後放電加工する放電加工システ
ムに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric discharge machining system for transferring a pallet between a plurality of electric discharge machines and a plurality of pallet stockers via a carrier to automatically progress machining, and more particularly to a plurality of electrodes. NC discharge machine (ED
ED of the work pallet with a plurality of works stored in the magazine pot of the ATC (Automatic Electrode Exchanger) in M)
Mount on the table of M and fix it, E
The present invention relates to an electric discharge machining system that performs electric discharge machining after being mounted on a DM spindle.

【0002】[0002]

【従来の技術】従来技術における放電加工システムにお
いては、加工するワーク1個を載せたワークパレットを
放電加工機(EDM)のテーブル上に載せて固定し、予
め主軸に着けて固定した加工用電極により放電加工し、
放電加工終了後加工したワークおよび電極をそれぞれE
DMから搬出する放電加工サイクルを繰り返して放電加
工を行っていた。この際、EDMへのワークの移載およ
びEDM主軸への電極の着脱はオペレータの手動操作に
よるか、またはロボットによる自動操作によって行われ
ていた。
2. Description of the Related Art In an electric discharge machining system in the prior art, a work pallet on which a work to be machined is placed is fixed on a table of an electric discharge machine (EDM), and is fixed to a spindle in advance. Electrical discharge machining by
After finishing the electric discharge machining, E and E
The electrical discharge machining was carried out by repeating the electrical discharge machining cycle carried out from the DM. At this time, the transfer of the work to the EDM and the attachment / detachment of the electrode to / from the EDM main shaft have been performed manually by an operator or automatically by a robot.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、このよ
うにワークおよび電極を1つずつEDMへ搬入し、加工
後それぞれ搬出する加工方法は、同様な加工を多数回行
うとき、搬入搬出に時間を要しEDMの運転効率が悪い
という問題がある。
However, in the processing method in which the work and the electrode are carried into the EDM one by one and carried out after the processing as described above, it takes time to carry in and carry out when the same processing is performed many times. However, there is a problem that the operating efficiency of EDM is poor.

【0004】本発明は上記問題点に鑑み、複数の電極を
載せた電極パレットを予めEDMのテーブル上に載せE
DMのATCマガジンに前記電極を収納し、空の電極パ
レットをEDMから搬出し、複数のワークを載せたワー
クパレットをEDMのテーブル上に載せ、前記電極をA
TCから運び主軸に1本ずつ取り付けて放電加工するE
DMを複数台群管理し各EDMの運転効率を向上する放
電加工システムの提供を目的とする。
In view of the above problems, the present invention places an electrode pallet having a plurality of electrodes on a table of an EDM in advance.
The electrode is stored in a DM ATC magazine, an empty electrode pallet is unloaded from the EDM, and a work pallet with a plurality of works is placed on the EDM table.
Carry it from TC and attach it to the spindle one by one for EDM
An object of the present invention is to provide an electric discharge machining system that manages a plurality of DM groups and improves the operation efficiency of each EDM.

【0005】[0005]

【課題を解決するための手段】図1は本発明の放電加工
システムの基本構成図である。前記目的を達成する本発
明の放電加工システムは、パレットを着脱可能に装着す
るテーブルと、複数の電極を電極マガジンに収納し主軸
との間で電極交換を行う自動電極交換装置とを有した複
数のNC放電加工機と、パレットを載置するとともに少
なくとも1つが段取りステーションであるパレットスト
ッカと、前記各NC放電加工機と前記各パレットストッ
カ間でパレットの搬送、授受を行う搬送車と、前記NC
放電加工機および前記搬送車を運転制御するシステムコ
ンピュータと、からなる放電加工システムであって、前
記パレットは、複数のパレットを載置したワークパレッ
トと、複数の電極を載置した電極パレットとの2種類が
あり、前記システムコンピュータは、前記NC放電加工
機のテーブル上に所定の前記電極パレットを搬入し、当
該NC放電加工機の自動電極交換装置によって前記電極
パレット上の電極をその電極マガジンに収納させ、その
電極パレット搬出後に当該NC放電加工機に所定の前記
ワークパレットを搬入し、当該ワークパレット上の複数
のワークの加工指令を順次発して加工を行わせるように
制御して構成する。
FIG. 1 is a basic configuration diagram of an electric discharge machining system according to the present invention. The electrical discharge machining system of the present invention for achieving the above object has a plurality of tables including a table on which a pallet is detachably mounted, and an automatic electrode exchanging device for accommodating a plurality of electrodes in an electrode magazine and exchanging electrodes with a spindle. NC electric discharge machine, a pallet stocker on which pallets are placed and at least one of which is a setup station, a transfer vehicle for transferring and receiving pallets between the NC electric discharge machines and the pallet stockers, and the NC.
An electric discharge machining system comprising an electric discharge machine and a system computer that controls operation of the transport vehicle, wherein the pallet includes a work pallet on which a plurality of pallets are placed and an electrode pallet on which a plurality of electrodes are placed. There are two types, the system computer carries in the predetermined electrode pallet onto the table of the NC electric discharge machine, and the electrode on the electrode pallet is loaded into the electrode magazine by the automatic electrode exchange device of the NC electric discharge machine. After storing the electrode pallet and carrying out the electrode pallet, the predetermined work pallet is carried into the NC electric discharge machine, and the machining commands of a plurality of works on the work pallet are sequentially issued to perform machining.

【0006】[0006]

【作用】本発明の放電加工システムは、複数の電極を載
せた電極パレット3がパレットストッカ4からNC放電
加工機1のテーブル上へ搬入されると電極パレット3上
の複数の電極はATCマガジン9へ収納され、次に電極
が取り去られた後の電極パレット3はNC放電加工機1
から搬出されパレットストッカ4へ搬入され、次にワー
クパレット2がパレットストッカ4からNC放電加工機
1のテーブル上へ搬入されると前記電極がATCマガジ
ン9から主軸に1本ずつ取り付けられ放電加工され、放
電加工終了後のワークを載せたワークパレット2はNC
放電加工機1から搬出されパレットストッカ4または洗
浄ステーション5へ搬送され、次に空の電極パレット3
がパレットストッカ4からNC放電加工機1のテーブル
上に搬入されATCマガジン9に収納された使用済の電
極が電極パレット3に載せられNC放電加工機1から搬
出されパレットストッカ4の段取りステーション8へ搬
出される。それゆえ、NC放電加工機1へ1個のワーク
を載せたパレットを搬入してテーブル上に載せて固定
し、1個の電極を搬入して主軸に固定した後放電加工
し、放電加工後のワークを載せたパレットをNC放電加
工機1から搬出し、使用済みの電極を主軸から取り外し
て搬出する1サイクルを繰り返して複数個のワークを放
電加工するのと比較して搬入搬出の回数が激減するので
NC放電加工機の運転効率が向上する。
In the electric discharge machining system of the present invention, when the electrode pallet 3 on which a plurality of electrodes are placed is carried in from the pallet stocker 4 onto the table of the NC electric discharge machine 1, the plurality of electrodes on the electrode pallet 3 are transferred to the ATC magazine 9. The electrode pallet 3 after being housed in and then having the electrodes removed is the NC electric discharge machine 1
When the work pallet 2 is carried out from the pallet stocker 4 onto the table of the NC electric discharge machine 1, the electrodes are attached one by one from the ATC magazine 9 to the main shaft for electric discharge machining. , The work pallet 2 on which the work after the electrical discharge machining is placed is NC
It is carried out from the electric discharge machine 1 and carried to the pallet stocker 4 or the cleaning station 5, and then the empty electrode pallet 3
Is loaded from the pallet stocker 4 onto the table of the NC electric discharge machine 1 and the used electrode stored in the ATC magazine 9 is placed on the electrode pallet 3 and carried out of the NC electric discharge machine 1 to the setup station 8 of the pallet stocker 4. Be shipped. Therefore, the pallet carrying one work is carried into the NC electric discharge machine 1, placed on a table and fixed, one electrode is carried in and fixed to the spindle, and then electric discharge machining is performed. The number of times of loading and unloading is drastically reduced as compared with the case of discharging a pallet loaded with works from NC electric discharge machine 1 and removing used electrodes from the spindle and carrying out one cycle to discharge multiple works. Therefore, the operation efficiency of the NC electric discharge machine is improved.

【0007】[0007]

【実施例】本発明の放電加工システムの動作について以
下に説明する。下記の文中でステップSに続く数字はス
テップ番号を示す。 (ステップS1):複数のワークがワークパレット上に
及び複数の電極が電極パレット上に装着された状態で各
パレットがパレットストッカ上に準備される。 (ステップS2):指定数の電極を載せた電極パレット
を所定のEDM(放電加工機)のテーブル上に搬入す
る。 (ステップS3):電極パレット上の指定数の電極をE
DMの主軸で掴みEDMのATCアームでATCマガジ
ンに収納する。 (ステップS4):空の電極パレットをEDMから搬出
する。 (ステップS5):放電加工するワークを載せたワーク
パレットをEDMのテーブル上に搬入する。 (ステップS6):複数電極による複数ワークの加工を
行う。すなわち、主軸で前記マガジンに収納した電極を
1本ずつ把持しワークを1つずつ加工する。例えばワー
ク4個電極4本のときで各電極で各ワークを加工すると
きは4×4=16工程の放電加工が行われ、1つの電極
に対応した特定のワークを加工するときは4工程の加工
が行われる。
The operation of the electric discharge machining system of the present invention will be described below. The number following step S in the following text indicates the step number. (Step S1): Each pallet is prepared on the pallet stocker with a plurality of works mounted on the work pallet and a plurality of electrodes mounted on the electrode pallet. (Step S2): An electrode pallet on which a specified number of electrodes are placed is carried in on a table of a predetermined EDM (electric discharge machine). (Step S3): E specified number of electrodes on the electrode pallet
Grasp it with the DM main shaft and store it in the ATC magazine with the EDM ATC arm. (Step S4): The empty electrode pallet is carried out from the EDM. (Step S5): The work pallet on which the work to be electrical discharge machined is placed is carried in on the table of the EDM. (Step S6): Machining of a plurality of works by a plurality of electrodes. That is, the work pieces are processed one by one by gripping the electrodes housed in the magazine one by one by the spindle. For example, when four workpieces and four electrodes are used to process each workpiece with each electrode, 4 × 4 = 16 steps of electrical discharge machining are performed, and when a specific workpiece corresponding to one electrode is processed, four steps are performed. Processing is performed.

【0008】(ステップS7):全加工終了後、加工物
を載せたワークパレットをEDMから搬出する。 (ステップS8):空の電極パレットをEDMへ搬入す
る。 (ステップS9):ATCマガジンに収納されている使
用済の電極をATCアームおよび主軸で掴み電極パレッ
トへ回収する。 (ステップS10):加工物を載せたワークパレットを
洗浄室へ運び洗浄する。 (ステップS11):段取りステーションが空いている
ときは、洗浄後の加工物を載せたワークパレットを段取
りステーションへ運び加工物を出庫し空のワークパレッ
トに新規なワークを装着しパレットストッカへ搬送し収
納し、段取りステーションが使用中のときは待機する。 (ステップS12):段取りステーションが空いている
ときは、電極パレットを段取りステーションに搬送して
電極を出庫し、段取りステーションが使用中のときは待
機する。
(Step S7): After the completion of all machining, the work pallet on which the workpiece is placed is unloaded from the EDM. (Step S8): An empty electrode pallet is carried into the EDM. (Step S9): The used electrodes stored in the ATC magazine are grabbed by the ATC arm and the main shaft and collected in the electrode pallet. (Step S10): The work pallet on which the workpiece is placed is carried to the cleaning chamber and cleaned. (Step S11): When the setup station is vacant, the work pallet on which the cleaned work is placed is transported to the setup station, the work is unloaded, a new work is mounted on the empty work pallet, and the work pallet is transported to the pallet stocker. Store and wait when the setup station is in use. (Step S12): When the setup station is vacant, the electrode pallet is conveyed to the setup station and the electrodes are unloaded, and when the setup station is in use, it waits.

【0009】図2は本発明による実施例のワークパレッ
トの平面図である。本図にはワークパレット10の上に
点線で囲まれた部分で示す4個のワーク11が置かれ、
4個のワーク11の各々には1個の位置決めプレート1
2と2個の位置決めプレート13が固定されワーク11
を位置決めするために使用される。心出し球14は電極
のZ方向を計測するためパレット10に立設された棒の
先端に設けられた大きさが既知の鋼球であり、電極の正
確な厚みを計測するために使用される。
FIG. 2 is a plan view of a work pallet according to an embodiment of the present invention. In this figure, four workpieces 11 shown by a portion surrounded by a dotted line are placed on the workpiece pallet 10,
One positioning plate 1 for each of the four workpieces 11.
Two and two positioning plates 13 are fixed and work 11
Used to position. The centering sphere 14 is a steel ball of known size provided at the tip of a rod standing on the pallet 10 for measuring the Z direction of the electrode, and is used for measuring the accurate thickness of the electrode. .

【0010】図3は本発明による実施例の電極パレット
を示す図であり、(A)は平面図、(B)は正面図であ
る。本図には電極パレット20の上に4つの銅またはグ
ラファイトからなる電極21を固定する4個の電極支持
台22が設けられ、各電極支持台22には電極21の引
っ張りボルト(プルスタッド)を嵌め込むスリット23
が刻まれている。四角で囲まれた数字は各電極21がA
TCのマガジンポットへ収納されるポット番号を示す。
3A and 3B are views showing an electrode pallet according to an embodiment of the present invention. FIG. 3A is a plan view and FIG. 3B is a front view. In this figure, four electrode support bases 22 for fixing four electrodes 21 made of copper or graphite are provided on the electrode pallet 20, and each electrode support base 22 is provided with a pulling bolt (pull stud) of the electrode 21. Slit 23 to fit
Is engraved. The number surrounded by a square is A for each electrode 21.
Indicates the pot number stored in the TC magazine pot.

【0011】図4は放電加工機の正面図である。図示す
るように放電加工機50はF.L.(フロアーライン)
上に据え付けられ、放電加工機50の左側には有軌道無
人搬送車57が2本の線路58、58上を走行する。放
電加工機の主軸51には電極52が把持され主軸51は
X,Y,Zの3軸方向に位置決め制御される。ATCの
マガジン56には複数の電極と複数の測定子が収納され
る。ワーク53を載せたワークパレット54は有軌道無
人搬送車57から放電加工機50のテーブル55上に載
せられ放電加工される。
FIG. 4 is a front view of the electric discharge machine. As shown in the figure, the electric discharge machine 50 is an F.S. L. (Floor line)
An unmanned guided vehicle 57, which is installed on the left side of the electric discharge machine 50, travels on two tracks 58, 58. An electrode 52 is gripped by a main shaft 51 of the electric discharge machine, and the main shaft 51 is positionally controlled in the X-, Y-, and Z-axis directions. The ATC magazine 56 accommodates a plurality of electrodes and a plurality of measuring elements. The work pallet 54 on which the work 53 is placed is placed on a table 55 of the electric discharge machine 50 from an unmanned guided vehicle 57 for electric discharge machining.

【0012】[0012]

【発明の効果】以上説明したように本発明の放電加工シ
ステムによれば、複数のワークと複数の電極をそれぞれ
のパレットに載せてEDMへ搬入搬出するので搬入搬出
回数を減少することによりEDMの運転効率の向上が実
現できる。
As described above, according to the electric discharge machining system of the present invention, a plurality of works and a plurality of electrodes are placed on their respective pallets and carried in and out of the EDM. Operational efficiency can be improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の放電加工システムの基本構成図であ
る。
FIG. 1 is a basic configuration diagram of an electric discharge machining system of the present invention.

【図2】本発明のワークパレットの平面図である。FIG. 2 is a plan view of a work pallet according to the present invention.

【図3】本発明の電極パレットを示す図であり、(A)
は平面図、(B)は正面図である。
FIG. 3 is a view showing an electrode pallet of the present invention, (A)
Is a plan view and (B) is a front view.

【図4】放電加工機の正面図である。FIG. 4 is a front view of an electric discharge machine.

【符号の説明】[Explanation of symbols]

1…NC放電加工機 2…ワークパレット 3…電極パレット 4…パレットストッカ 5…洗浄ステーション 6…搬送車 7…システムコンピュータ 8…段取りステーション 9…ATCマガジン 1 ... NC electric discharge machine 2 ... work pallet 3 ... electrode pallet 4 ... pallet stocker 5 ... washing station 6 ... transport vehicle 7 ... system computer 8 ... setup station 9 ... ATC magazine

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 パレットを着脱可能に装着するテーブル
と、複数の電極を電極マガジンに収納し主軸との間で電
極交換を行う自動電極交換装置とを有した複数のNC放
電加工機と、 パレットを載置するとともに少なくとも1つが段取りス
テーションであるパレットストッカと、 前記各NC放電加工機と前記各パレットストッカ間でパ
レットの搬送、授受を行う搬送車と、 前記NC放電加工機および前記搬送車を運転制御するシ
ステムコンピュータと、からなる放電加工システムであ
って、 前記パレットは、複数のパレットを載置したワークパレ
ットと、複数の電極を載置した電極パレットとの2種類
があり、前記システムコンピュータは、前記NC放電加
工機のテーブル上に所定の前記電極パレットを搬入し、
当該NC放電加工機の自動電極交換装置によって前記電
極パレット上の電極をその電極マガジンに収納させ、そ
の電極パレット搬出後に当該NC放電加工機に所定の前
記ワークパレットを搬入し、当該ワークパレット上の複
数のワークの加工指令を順次発して加工を行わせるよう
に制御したことを特徴とする放電加工システム。
1. A plurality of NC electric discharge machines having a table on which a pallet is removably mounted and an automatic electrode changing device for accommodating a plurality of electrodes in an electrode magazine and exchanging electrodes with a spindle, and a pallet. A pallet stocker on which at least one is a setup station, a transport vehicle for transporting and transferring pallets between each NC electric discharge machine and each pallet stocker, and the NC electric discharge machine and the transport vehicle. An electric discharge machining system comprising a system computer for operation control, wherein the pallet has two types: a work pallet on which a plurality of pallets are mounted and an electrode pallet on which a plurality of electrodes are mounted. Loads the predetermined electrode pallet onto the table of the NC electric discharge machine,
The electrodes on the electrode pallet are stored in the electrode magazine by the automatic electrode exchanging device of the NC electric discharge machine, the predetermined work pallet is carried into the NC electric discharge machine after the electrode pallet is carried out, and the electrode on the work pallet is placed. An electrical discharge machining system characterized in that machining commands for a plurality of workpieces are sequentially issued to perform machining.
JP4284489A 1992-10-22 1992-10-22 Discharge working system Pending JPH06131031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4284489A JPH06131031A (en) 1992-10-22 1992-10-22 Discharge working system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4284489A JPH06131031A (en) 1992-10-22 1992-10-22 Discharge working system

Publications (1)

Publication Number Publication Date
JPH06131031A true JPH06131031A (en) 1994-05-13

Family

ID=17679182

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4284489A Pending JPH06131031A (en) 1992-10-22 1992-10-22 Discharge working system

Country Status (1)

Country Link
JP (1) JPH06131031A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1136166A1 (en) * 2000-03-15 2001-09-26 PCam Sagl System for moving workpieces to be processed by electroerosion machines
WO2014141442A1 (en) * 2013-03-14 2014-09-18 株式会社牧野フライス製作所 Electric discharge machining system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1136166A1 (en) * 2000-03-15 2001-09-26 PCam Sagl System for moving workpieces to be processed by electroerosion machines
WO2014141442A1 (en) * 2013-03-14 2014-09-18 株式会社牧野フライス製作所 Electric discharge machining system
JP6022035B2 (en) * 2013-03-14 2016-11-09 株式会社牧野フライス製作所 EDM system

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