JPS59115106A - Machine tool with automatic chuck claw exchanging device - Google Patents
Machine tool with automatic chuck claw exchanging deviceInfo
- Publication number
- JPS59115106A JPS59115106A JP22202382A JP22202382A JPS59115106A JP S59115106 A JPS59115106 A JP S59115106A JP 22202382 A JP22202382 A JP 22202382A JP 22202382 A JP22202382 A JP 22202382A JP S59115106 A JPS59115106 A JP S59115106A
- Authority
- JP
- Japan
- Prior art keywords
- claw
- chuck
- workpiece
- machine tool
- jaws
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/39—Jaw changers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16045—Jaws movement actuated by screws and nuts or oblique racks
- B23B31/1605—Details of the jaws
- B23B31/16058—Fixation on the master jaw
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、ＮＧ旋盤又はこれと類似の加工を行ナウ、タ
ーニングセンタ等の加工物等の把握用チャックのチャッ
ク爪交換装置に係り、特に加工物の供給装置との兼用に
より、省スペース、低価格化に好適な装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a chuck jaw changing device for a chuck for gripping a workpiece on a turning center or a turning center that performs NG lathe or similar machining. The present invention relates to a device that is suitable for saving space and reducing costs by being used as a material supply device.
従来のチャック爪自動交換装置は、たとえば特公昭５４
−１８４２９で報告されているが、このものはチャック
爪交換専用の装置を工作機械本体に装置する方式となっ
ている。このため、加工物の供給、貯蔵装置とは、別に
、チャック爪の供給、貯蔵装置が必要“となり、このた
めに設備費用が高価となり、しかも、チャック爪交換用
の装置を取り付けるスペースがなくなってしまい実施上
の大きな障害となっている。The conventional automatic chuck jaw changing device is, for example,
-18429, which is a system in which a device dedicated to changing chuck jaws is installed in the machine tool body. For this reason, a chuck jaw supply and storage device is required in addition to the workpiece supply and storage device, which increases the equipment cost and, furthermore, there is no space to install a chuck jaw replacement device. This has become a major obstacle to implementation.
本発明の目的は、チャック爪の交換装置と、加工物の供
給装置を兼用さ鷺ることにより、省スペースで、低価格
な、チャック爪自動交換装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide an automatic chuck jaw changing device that is space-saving and inexpensive by using both a chuck jaw changing device and a workpiece feeding device.
チャック爪の自動交換を行なおうとする工作機械であれ
ば、当然、加工物の自動供給、及びある程度の量の貯蔵
装置も持っているはずである。この上、更にチャック爪
交換のための装置を取付けようとした場合、取付けるス
ペースもなく、しかも、加工物の種類が変る時にしか働
かない装置に高額な費用を使うことは投資効率上好まし
くない。このため既設の装置又は、加工物の供給装置と
共用化することによシ、前記の問題を解決しようとする
ものである。このため、チャック本体から・爪を抜き取
シ、加工物の供給装置に渡し、加工物の貯蔵装置と共用
のチャック爪貯蔵箇所に保管する。A machine tool that automatically replaces chuck jaws must also have automatic workpiece supply and a certain amount of storage equipment. Furthermore, when it is attempted to install a device for changing the chuck jaws, there is no space for installing it, and furthermore, it is undesirable in terms of investment efficiency to spend a large amount of money on a device that only works when the type of workpiece changes. Therefore, attempts are made to solve the above-mentioned problems by sharing the existing device or the workpiece supply device. For this purpose, the jaws are extracted from the chuck body, delivered to the workpiece supply device, and stored in a chuck jaw storage location shared with the workpiece storage device.
本発明は、チャック爪は、把握対象物の形状、大きさに
合せ交換する必要があるが、チャック本体からチャック
爪を抜き差しする爪交換装置と、加工物の供給、排出を
行なう供給装置及び加工物を貯蔵する加工物貯蔵装置が
チャック爪の供給、排出及び貯蔵を兼ることを特徴とす
るものである〔発明の実施例〕
以下、本発明の一実施例を第１図から第３図により説明
する。第１図は、本発明のチャック爪自動交換装置付き
の旋盤の全体図である。旋盤本体１にチャック２、型抜
差装置４及び、爪３と加工物の供給、排出を兼ねた自動
供給装置５が装備されている。更に旋盤本体とは別に爪
の貯蔵と加工物の貯蔵を兼ねた、貯蔵装置６を有してい
る。該貯蔵装置６の受台７上に加工物とその加工物を把
握するために必要なチャック爪３′を予め、セットして
おき、爪の供給指令を与えると、まず、貯蔵装置６．１
：の爪３を供給装置が把んで型抜差装置４に受渡す。型
抜差装置４は、爪３の位置とチャックの爪嵌合溝位置を
正しく合わせ、爪３をチャックの溝の中に押し込み固定
して爪の差込動作を完了する。以上の爪供給動作をチャ
ックに取り付けられている爪の数だけを行なう。爪の交
換が完了した後で必要に応じて、爪の取付状態を点検し
、加工を開始する。ＰＪｒ定の加工を完了し、爪の排出
指令が出た場合、爪の供給動作とは逆の順序で、チャッ
クに取シ付けられている爪３を貯蔵装置６に排出して作
業を完了する。The chuck jaws need to be replaced according to the shape and size of the object to be gripped, and the present invention provides a jaw changing device for inserting and removing the chuck jaws from the chuck body, a feeding device for supplying and discharging the workpiece, and a machining device for supplying and discharging the workpiece. [Embodiment of the Invention] An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. This is explained by: FIG. 1 is an overall view of a lathe equipped with an automatic chuck jaw changing device according to the present invention. A lathe main body 1 is equipped with a chuck 2, a die/ejector 4, and an automatic feeder 5 that also serves as a jaw 3 and a workpiece feeder and ejector. Furthermore, apart from the lathe body, it has a storage device 6 which serves both to store the jaws and to store the workpieces. The workpiece and the chuck jaws 3' necessary for grasping the workpiece are set in advance on the pedestal 7 of the storage device 6, and when a jaw supply command is given, the storage device 6.1
: The supply device grasps the claws 3 and delivers them to the mold removal device 4. The mold removal device 4 correctly aligns the position of the pawl 3 with the position of the pawl fitting groove of the chuck, pushes the pawl 3 into the chuck groove and fixes it, and completes the pawl insertion operation. The above-described claw feeding operation is performed for each number of claws attached to the chuck. After the replacement of the claws is completed, check the attachment status of the claws as necessary and start machining. When the machining specified by PJr is completed and a command to discharge the jaws is issued, the jaws 3 attached to the chuck are discharged to the storage device 6 in the reverse order of the jaw supply operation, and the work is completed. .
本発明の主要機構である型抜差装置４を第２図により説
明する。旋盤本体に取り付けられたスライドベース８に
コラム１０が摺動できるように、取り付けられており、
シリンダ９の作用により、左右動２１を行なう。該コラ
ム１０には、爪の抜差を行なう時の案内を行なうための
案内板１１．１２が取り付けられておシ、シリンダ１３
．１４により、夫々上下動２２．２３．２４．２５を行
なう。チャック本体２に組込まれている、チャック爪３
を固定するラック１９は、カム２０を回転運動２８を行
なうことにより、前后動２了する。The mold removal device 4, which is the main mechanism of the present invention, will be explained with reference to FIG. A column 10 is attached so as to be able to slide on a slide base 8 attached to the lathe body,
By the action of the cylinder 9, a left and right movement 21 is performed. Guide plates 11 and 12 are attached to the column 10 to provide guidance when inserting and removing the claws.
．． 14, vertical movements 22, 23, 24, and 25 are performed, respectively. Chuck jaw 3 built into chuck body 2
The rack 19 for fixing the cam 20 is moved forward and backward by performing a rotational movement 28 of the cam 20.
これによりチャック爪３の裏側にある溝３ａにラック１
９の溝が嵌込み固定される。またチャック本体には、爪
の数に応じて位置決め用の溝が設けられており、爪の抜
差動作を開始する前に位置ピストン１８を前進させ、チ
ャック３の位置と型抜差装置４の位置を正確に決める。This allows the rack 1 to fit into the groove 3a on the back side of the chuck jaw 3.
The groove No. 9 is fitted and fixed. In addition, the chuck body is provided with positioning grooves according to the number of jaws, and the positioning piston 18 is advanced before starting the operation of inserting and removing the jaws, and the position of the chuck 3 and the die inserting and removing device 4 are adjusted. Determine the position accurately.
次に、型抜差装置の動作を第３図により説明する。まず
（ａ）の如く爪３の位置を一般の旋盤で用いられている
主軸定位置停止装置によシ、所定の位置に停止させる。Next, the operation of the die removal device will be explained with reference to FIG. First, as shown in (a), the pawl 3 is stopped at a predetermined position using a main spindle fixed position stopping device used in general lathes.
次に（１））に示す如く、型抜差装置４の前進５ＩＩ２
１を行ない、ドライバ１５をカムの穴に入れ、回転シリ
ンダ１６を回して、カムを回転し偏心カムの作用で（Ｃ
）の如く、ラック１９を後退２７させる。この状態で爪
３とラック１９の噛合が外れるので、爪３を旋盤の刃物
台に取り付けられた押棒３０等でガイド１１．１２の中
に（＋１）の状態まで抜き出す。ここで加工物供給用と
兼用の供給装置５で爪３を把む。爪３は、（ｇ）に示す
通り供給装置５で把み易いように円弧状の凸起３１が両
側に付いている。最后にガイド１１．１２を上下動２２
．２３して、ガイド１１．１２と爪３をはなし、供給装
置５で加工物貯蔵装置の所駕の位置に保管する。以上の
動作を爪の数だけくり返し、爪３の抜き出し動作を行な
う。爪の差込動作については前記のＣａ’）から（ｆ）
までの動作を逆に行なうことにより行なうことができる
。また供給装置５が同時に２ヶ把握出来る構造のものを
使用すれば、抜出しと差込の動作を交互に行なうことが
出来能駆的に爪の交換作業を行なうことができる。Next, as shown in (1)), the mold removal device 4 moves forward 5II2.
1, put the driver 15 into the hole of the cam, turn the rotating cylinder 16, rotate the cam, and by the action of the eccentric cam (C
), move the rack 19 backward 27. In this state, the claw 3 and the rack 19 are disengaged, so the claw 3 is pulled out into the guide 11.12 to the (+1) state using a push rod 30 or the like attached to the tool rest of the lathe. Here, the claws 3 are gripped by a supply device 5 which also serves as a workpiece supply. As shown in (g), the claw 3 has arc-shaped protrusions 31 on both sides so that it can be easily grasped by the supply device 5. At the end, move the guide 11.12 up and down 22
．． 23, the guides 11, 12 and the claws 3 are released, and the feed device 5 stores the workpieces in a position in the storage device. The above operation is repeated as many times as there are claws to remove the claws 3. Regarding the insertion operation of the claw, refer to Ca') to (f) above.
This can be done by reversing the previous operations. Furthermore, if the feeding device 5 is structured so that it can grasp two pieces at the same time, the extraction and insertion operations can be performed alternately, and the work of exchanging the claws can be carried out efficiently.
本発明によれば、爪差込装置を旋盤本体に取付ることに
より、爪の交換、爪の貯蔵を加工物の供給装置、及び加
工物の貯蔵装置と兼用にすることができ、スペースの面
及び投資効嘉の面で経済的に有利となる。チャック爪を
無人で交換するためには、交換動作の信頼性が筒く、し
かも安全機構が旋されていなければならない。爪３とラ
ック１９の歯が正常に噛み合わない時は、カム２０が正
しく反転できない。この反転角を検出して、正しい噛合
が行なわれているかどうかのチェックをすると共に、前
記した通シ、爪の散村状態を本発明とは別の寸法測定装
置により、測定し、正常に爪が取り付けられていること
を点検する２重ｆ全機構を採用している。According to the present invention, by attaching the pawl insertion device to the lathe body, it is possible to replace the pawls and store the pawls as a workpiece supply device and a workpiece storage device, which saves space. It is also economically advantageous in terms of investment effectiveness. In order to replace the chuck jaws unattended, the replacement operation must be reliable and a safety mechanism must be in place. When the teeth of the claw 3 and the rack 19 do not mesh properly, the cam 20 cannot be reversed correctly. This reversal angle is detected to check whether correct engagement is being performed, and the above-mentioned threading and dispersion state of the pawls are measured using a dimension measuring device different from the present invention, and the nails are properly engaged. Adopts a double f-all mechanism to check that the is installed.
本発明は上記の如く構成にしたので、チャック爪の交換
装置と加工物の供給装置ｋを兼用させることができ、省
スペースで低価格のチャック爪自動交換装置を得ること
ができる。Since the present invention is configured as described above, the chuck jaw changing device and the workpiece supplying device k can be used together, and a space-saving and low-cost automatic chuck jaw changing device can be obtained.
第１図は、チャック爪自動交換装置付旋盤の立体図で本
発明の一実施例を示す。
第２図（ａ）は、（１））図のＢ−Ｂ断面図で、チャッ
ク爪と爪抜差装置の一部断面平面図、第２図（１））は
、爪抜差装置の正面図、第２図（Ｃ）は、（１））図の
Ａ−Ａ断面図で爪抜差装置の側面断面図、第３図（ａ）
〜（ｆ）は、爪抜差装置の動作図、第３図（ｇ）は、本
発明の円弧凸起付チャック爪の斜視図である。
１・・・旋盤本体 ２・・・チャック ３・・・チャッ
ク爪４・・・爪交換装置 ５・・・供給装置 ６・・・
貯蔵装置７・・・受台８・・・スライトヘース ９．１
０・・・コラム１１・・・案内板上 １２・・・案内板
下 １３・・・シリンダ上 １４・・・シリンダ下 １
５・・・ドライバ １６・・・回転シリンダ １７・・
・位置決溝 １８・・・シリンダ １９・・・ラック
２０・・・カム ２１・・・スライドの動き ２２・・
・下案内板下降動 ２３・・・上案内板上昇 ２４・・
・Ｌ案内板下降 ２５・・・下案内板上昇２６・・・シ
リンダ１８の動き ２７・・・ラックの動き２８・・・
ドライバの回転
代理人 弁理士 薄 １）利 ＠ｈFIG. 1 is a three-dimensional view of a lathe with an automatic chuck jaw changing device, showing one embodiment of the present invention. Figure 2 (a) is a sectional view taken along line B-B in figure (1)), and is a partially sectional plan view of the chuck jaw and the jaw extraction device, and Figure 2 (1)) is a front view of the jaw extraction device. Figure 2(C) is a sectional view taken along line A-A in Figure (1)), and is a side sectional view of the claw extraction device, and Figure 3(a)
3(f) are operation diagrams of the jaw extraction device, and FIG. 3(g) is a perspective view of the arc-shaped chuck jaw of the present invention. 1... Lathe body 2... Chuck 3... Chuck jaws 4... Jaw changing device 5... Feeding device 6...
Storage device 7... pedestal 8... Slight heath 9.1
0...Column 11...Guide plate top 12...Guide plate bottom 13...Cylinder top 14...Cylinder bottom 1
5...Driver 16...Rotating cylinder 17...
・Positioning groove 18...Cylinder 19...Rack
20...Cam 21...Slide movement 22...
・Lower guide plate descends 23...Upper guide plate rises 24...
・Lower guide plate 25... Lower guide plate rise 26... Movement of cylinder 18 27... Movement of rack 28...
Driver's rotating agent Patent attorney Usuki 1) Li @h
Claims (1)
ャック前面に嵌装した複数回の爪と、該爪をチャック前
面上から半径方向に抜き差しする爪交換装置と、被加工
物と該被加工物を把握するに必要な爪をセットにして貯
蔵する貯蔵装置と、チャックに交換取付する爪と被加工
物を上記貯蔵装置から抜取り受渡す爪と被加工物の両方
を把握する共用の自動供給装置とをゼすることを％値と
するチャック爪自動交換装置付工作機械。 ２、爪の外周部が円弧状の凸起部を有している特許請求
の範囲＠１項記載のチャック爪自動交換装置付工作機械
。[Claims] 1. A machine tool equipped with an automatic chuck jaw changing device, which includes: a plurality of jaws fitted onto the front surface of the chuck, a jaw changing device that inserts and removes the jaws in a radial direction from above the front surface of the chuck, and a workpiece. and a storage device that stores a set of jaws necessary for grasping the workpiece, and a storage device that grasps both the jaws that are replaced and attached to the chuck and the workpiece that is extracted and delivered from the storage device and the workpiece. A machine tool with an automatic chuck jaw changing device that has a shared automatic feeding device and a percentage value of zero. 2. A machine tool with an automatic chuck jaw changing device according to claim 1, wherein the outer periphery of the jaw has an arcuate protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22202382A JPS59115106A (en) | 1982-12-20 | 1982-12-20 | Machine tool with automatic chuck claw exchanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22202382A JPS59115106A (en) | 1982-12-20 | 1982-12-20 | Machine tool with automatic chuck claw exchanging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59115106A true JPS59115106A (en) | 1984-07-03 |
Family
ID=16775884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22202382A Pending JPS59115106A (en) | 1982-12-20 | 1982-12-20 | Machine tool with automatic chuck claw exchanging device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59115106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60249513A (en) * | 1984-05-25 | 1985-12-10 | Howa Mach Ltd | Exchange device of chuck pawl |
-
1982
- 1982-12-20 JP JP22202382A patent/JPS59115106A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60249513A (en) * | 1984-05-25 | 1985-12-10 | Howa Mach Ltd | Exchange device of chuck pawl |
| JPH0360605B2 (en) * | 1984-05-25 | 1991-09-17 | Howa Machinery Ltd |
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