JPH0985564A - Machine tool provided with multi-spindle head changing device - Google Patents

Machine tool provided with multi-spindle head changing device

Info

Publication number
JPH0985564A
JPH0985564A JP7263705A JP26370595A JPH0985564A JP H0985564 A JPH0985564 A JP H0985564A JP 7263705 A JP7263705 A JP 7263705A JP 26370595 A JP26370595 A JP 26370595A JP H0985564 A JPH0985564 A JP H0985564A
Authority
JP
Japan
Prior art keywords
head
axis
magazine
clamp
engaging portion
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.)
Withdrawn
Application number
JP7263705A
Other languages
Japanese (ja)
Inventor
Tadatsugu Yakuramaki
忠嗣 八倉巻
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.)
Nachi Fujikoshi Corp
Original Assignee
Nachi Fujikoshi Corp
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 Nachi Fujikoshi Corp filed Critical Nachi Fujikoshi Corp
Priority to JP7263705A priority Critical patent/JPH0985564A/en
Priority to KR1019960034815A priority patent/KR970014889A/en
Publication of JPH0985564A publication Critical patent/JPH0985564A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02—Machine tools for performing different machining operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Drilling And Boring (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a machine tool provided with a multi-spindle head changing device, able to simultaneously or independently rotating a magazine on which a multi- spindle head is mounted and/or an automatic head changing device ACH, able to shorten the multi-spindle changing time, and having convenience in use. SOLUTION: A machine tool provided with a multi-spindle head changing device is provided with an ACH 30 for clamping and indexing multi-spindle heads 2 in the upper position and the lower position B, a magazine 40 provided in the rear of and above the upper position A, to be rotated around a vertical shaft 4, for clamping a plurality of multi-spindle heads 2, and for indexing them in the front position D, and a changing device 50 for changing the multi-spindle heads 2 clamped by the ACH 30 and/or the magazine 40 between the upper position A and the front position D. The changing device 50 is provided with a moving device 51 for moving the multi- spindle head 2 gripped by a gripping device 52 from the upper position A to the retreating position C in the longitudinally and horizontal direction, and a rotating device 52' for rotating and positioning the multi-spindle heads 2 gripped by the gripping device 52 from the retreating position C to the front position D while being supported by the lateral and horizontal shaft.

Description

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

【０００１】[0001]

【発明の属する技術分野】本発明はベッドの上方に支持
された前後方向水平軸の回りを回転する回転体外周に複
数の多軸ヘッドユニット即ち多軸頭をクランプしかつ上
方位置と下方位置に割り出す自動ヘッド交換装置即ちＡ
ＨＣを有する、又は前記ＡＨＣ及び前記上方位置の後上
方に設けられ垂直軸の回りを回転し外周に複数の多軸頭
をクランプしかつ前方位置に割り出すマガジンを有す
る、多軸頭段取り替装置付工作機械の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention clamps a plurality of multi-axis head units, i.e., multi-axis heads, on the outer periphery of a rotating body which is supported above a bed and which rotates about a horizontal axis in the front-rear direction, and is located at upper and lower positions. Automatic head changer for indexing A
With a multi-axis head changeover device having HC or having a magazine provided above and behind the AHC and the upper position to rotate around a vertical axis to clamp a plurality of multi-axis heads on the outer circumference and index to the front position Regarding improvement of machine tools.

【０００２】[0002]

【従来の技術】従来のかかる多軸頭段取り替装置付工作
機械としては、例えば特公平７─8443号公報に記載す
る、複数のギャングヘッド即ち多軸頭を上方位置と下方
位置に割り出す旋回体を有するインデックス装置即ちＡ
ＨＣと、前記上方位置の後上方に設けられ複数のギャン
グヘッドを前方位置に割り出す回転体を有するマガジン
と、前記上方位置と前方位置の間でギャングヘッドを交
換する移載装置を備え、この移載装置は、左右方向水平
軸に軸支され先端にギャングヘッドを支持する支持部材
を有する回動台と、この回動台を往復回動して支持部材
を前記上方位置と前方位置とに位置決めする駆動機構と
からなり、前記支持部材に、この支持部材が前記上方位
置に位置決めされた状態において前記旋回体の旋回中心
を中心とする円弧上の第１案内支持部と、前記支持部材
が前記前方位置に位置決めされた状態において前記回転
体の回転中心を中心とする円弧上の第２案内支持部とを
設け、前記ギャングヘッドに、前記第１及び第２案内支
持部に係合する係合部が形成されてなるギャングヘッド
交換装置を有する工作機械が開示されている。2. Description of the Related Art As a conventional machine tool with a multi-axis head changeover device, for example, a revolving structure for indexing a plurality of gang heads, that is, a multi-axis head, to an upper position and a lower position is described in Japanese Patent Publication No. 7-8443. Indexing device having A
HC, a magazine provided at the upper rear of the upper position and having a rotary body for indexing a plurality of gang heads to the front position, and a transfer device for exchanging the gang head between the upper position and the front position. The mounting device has a rotary base that is supported by a horizontal axis in the left-right direction and has a support member for supporting the gang head at the tip, and reciprocally rotates the rotary base to position the support member at the upper position and the front position. A drive mechanism that operates on the support member, and the support member is provided with the first guide support portion on an arc centered on a swing center of the swing body in a state where the support member is positioned at the upper position. A second guide support part in an arc centered on the rotation center of the rotating body in a state of being positioned at the front position, and a member for engaging the gang head with the first and second guide support parts. Part machine tool is disclosed having a gang head replacement device is formed.

【０００３】[0003]

【発明が解決しようとする課題】特公平７─8443号公報
のものは、インデックス装置の旋回体とマガジンの回転
体との間におけるギャングヘッドの交換を、移載装置の
回動によって行うことができ、しかも第１及び第２案内
支持部により支持部材に支持されたギャングヘッドは、
インデックス装置本体側においては旋回体の旋回により
支持部材に着脱され、マガジン側においては回転体の回
転により支持部材に着脱されるので、ギャングヘッドの
交換時間を短縮できる効果を奏するが、その第３図に示
すように前記マガジンの支持レールは前記前方位置に相
当する部分が切り取られかつ第４図に示すようにインデ
ックス装置の支持レールも前記上方位置に相当する部分
が切り取られているので、この前方位置又は上方位置に
相当する位置に移載装置の回動台の支持部材が位置して
いないとマガジン又は／及びインデックス装置を回転さ
せることができない。又この前方位置又は上方位置はい
ずれか一方を開けておく必要があった。In Japanese Patent Publication No. 7-8443, the gang head between the revolving body of the index device and the revolving body of the magazine can be replaced by rotating the transfer device. The gang head supported by the support member by the first and second guide support portions can be
On the index device main body side, it is attached / detached to / from the support member by the rotation of the revolving body, and on the magazine side, it is attached / detached to / from the support member by the rotation of the rotating body, so that there is an effect that the gang head replacement time can be shortened. As shown in the figure, the support rail of the magazine is cut out at a portion corresponding to the front position, and as shown in FIG. 4, the support rail of the index device is also cut out at a portion corresponding to the upper position. The magazine or / and the index device cannot be rotated unless the supporting member of the rotary table of the transfer device is located at a position corresponding to the front position or the upper position. Further, it is necessary to open either the front position or the upper position.

【０００４】このためこの従来の装置では、ギャングヘ
ッド即ち多軸頭を装着したマガジン及びインデックス装
置を同時に又は別々に独立して回転させることができな
いので、インデックス装置を回転中にマガジン回転させ
ることはできずこの間に前方位置といった作業者の都合
のよい所定の位置でマガジンに支持されたギャングヘッ
ドの工具取り替え等の整備／所定の位置で使用ずみギャ
ングヘッドをマガジン外のギャングヘッドと交換するこ
とができず、さらにマガジン回転中にインデックス装置
を同時に回転させ使用ずみギャングヘッドを他のギャン
グヘッドと交換することもできなかった。本発明の課題
はかかる従来技術を解決した、ギャングヘッド即ち多軸
頭を装着したマガジン又は／及びインデックス装置即ち
自動ヘッド交換装置即ちＡＨＣを同時に又は別々に独立
して回転させることができ、ＡＨＣを回転中にマガジン
回転させてこの間に前方位置といった作業者の都合のよ
い所定の位置でマガジンに支持された多軸頭の工具取り
替え等の整備／所定の位置で使用ずみ多軸頭をマガジン
外の多軸頭と交換すること、ができ、又は／及びマガジ
ン回転中にＡＨＣを同時に回転させ使用ずみ多軸頭を他
の多軸頭と交換することもでき、これにより多軸頭段取
り替時間を短縮し使い勝手のよい多軸頭段取り替装置付
工作機械を提供することにある。For this reason, in this conventional apparatus, the magazine equipped with the gang head, that is, the multi-axis head and the index device cannot be rotated simultaneously or separately independently, so that the magazine cannot be rotated while the index device is rotating. During this time, maintenance such as tool replacement of the gang head supported by the magazine at a predetermined position convenient for the operator such as the front position / used at the predetermined position, the gang head outside the magazine can be replaced. In addition, it was impossible to replace the used gang head with another gang head by rotating the index device at the same time while rotating the magazine. An object of the present invention is to solve the above-mentioned conventional technique and to rotate a magazine equipped with a gang head, i.e., a multi-axial head, and / or an indexing device, i.e., an automatic head changer, i.e., AHC, simultaneously or separately and independently. Rotate the magazine during rotation, and during this time, perform maintenance such as tool replacement of the multi-axis head supported by the magazine at a predetermined position convenient for the operator, such as the front position / Use the used multi-axis head at the predetermined position outside the magazine. It can be replaced with a multi-axis head, and / or the used multi-axis head can be replaced with another multi-axis head by rotating the AHC at the same time while the magazine is rotating. It is to provide a machine tool with a multi-axis head changeover device that is short and easy to use.

【０００５】[0005]

【課題を解決するための手段】このため本発明の第１発
明は、ベッドの上方に支持された前後方向水平軸の回り
を回転する回転体外周に複数の多軸ヘッドユニット即ち
多軸頭をクランプしかつ上方位置と下方位置に割り出す
自動ヘッド交換装置即ちＡＨＣと、前記ＡＨＣの下方に
前後方向に往復動可能に案内支持され前記下方位置に割
り出された多軸頭を前端に装着して工作物を加工するヘ
ッドストックユニットと、を有し、前記回転体外周のク
ランプは、前記上方位置に前記回転体外周のみが位置決
めされたとき、前記多軸頭を前方向水平方向に多軸頭係
合部を回転体外周係合部に挿入することによって行わ
れ、多軸頭のアンクランプは前記回転体外周係合部に設
けたアンクランプピンを前方向水平方向に押し込むこと
によって行われるようにしたことを特徴とする多軸頭段
取り替装置付工作機械を提供することによって多軸頭を
装着したＡＨＣを独立して回転させることができるよう
にした。Therefore, according to the first aspect of the present invention, a plurality of multi-axis head units, that is, multi-axis heads, are provided on the outer periphery of a rotating body which is supported above the bed and which rotates around a horizontal axis in the front-rear direction. An automatic head changer, that is, an AHC for clamping and indexing to an upper position and a lower position, and a multi-axis head indexed to the lower position, which is guided and supported reciprocally in the front-rear direction below the AHC, are attached to the front end. A headstock unit for processing a workpiece; and a clamp for the outer circumference of the rotary body, wherein when only the outer circumference of the rotary body is positioned at the upper position, the multiaxial head is moved forward in the horizontal direction. The engaging portion is inserted into the outer peripheral engaging portion of the rotating body, and the unclamping of the polyaxial head is performed by pushing the unclamp pin provided in the outer peripheral engaging portion of the rotating body in the forward horizontal direction. That the the was to be able to rotate independently AHC fitted with a multi-axis head by providing a Tajikuatama setup changing apparatus with the machine tool, characterized in.

【０００６】さらに本発明の第２発明によると、ベッド
の上方に支持された前後方向水平軸の回りを回転する回
転体外周に複数の多軸ヘッドユニット即ち多軸頭をクラ
ンプしかつ上方位置と下方位置に割り出す自動ヘッド交
換装置即ちＡＨＣと、前記ＡＨＣの下方に前後方向に往
復動可能に案内支持され前記下方位置に割り出された多
軸頭を前端に装着して工作物を加工するヘッドストック
ユニットと、前記上方位置の後上方に設けられ垂直軸の
回りを回転し外周に複数の多軸頭をクランプしかつ前方
位置に割り出すマガジンと、を有し、前記マガジン外周
のクランプは、把持装置により把持されて前記前方位置
に前記多軸頭が位置決めされたとき、マガジン外周係合
部が多軸頭係止部をクランプすることによって行われる
ようにしたことを特徴とする多軸頭段取り替装置付工作
機械を提供することによって多軸頭を装着したマガジン
を独立して回転させることができるようにした。Further, according to the second aspect of the present invention, a plurality of multi-axis head units, that is, multi-axis heads, are clamped on the outer periphery of the rotating body which is supported above the bed and which rotates around a horizontal axis in the front-rear direction, and the upper position is set. An automatic head exchanging device for indexing to a lower position, that is, an AHC, and a head for machining a workpiece by mounting a multi-axial head indexed to the lower position, which is guided and supported below the AHC so as to be reciprocally movable in the front-rear direction. A stock unit, and a magazine which is provided above and above the upper position and rotates around a vertical axis to clamp a plurality of multi-axial heads on the outer periphery and to index to the front position. When the device is gripped and the polyaxial head is positioned at the front position, the magazine outer peripheral engaging portion clamps the polyaxial head engaging portion. And to be able to rotate independently magazine equipped with a multi-axis head by providing a Tajikuatama setup changing apparatus with the machine tool and symptoms.

【０００７】さらに本発明の第３発明によると、ベッド
の上方に支持された前後方向水平軸の回りを回転する回
転体外周に複数の多軸ヘッドユニット即ち多軸頭をクラ
ンプしかつ上方位置と下方位置に割り出す自動ヘッド交
換装置即ちＡＨＣと、前記ＡＨＣの下方に前後方向に往
復動可能に案内支持され前記下方位置に割り出された多
軸頭を前端に装着して工作物を加工するヘッドストック
ユニットと、前記上方位置の後上方に設けられ垂直軸の
回りを回転し外周に複数の多軸頭をクランプしかつ前方
位置に割り出すマガジンと、前記ＡＨＣ又はマガジンに
クランプされた多軸頭を前記上方位置と前方位置の間で
交換する交換装置とを有し、前記交換装置は、多軸頭を
把持した把持装置を駆動して前記上方位置から前後方向
水平方向に後退位置まで移動する移動装置と、左右方向
水平軸に軸支されて多軸頭を把持した前記把持装置を駆
動して多軸頭を前記後退位置から前方位置まで回動し位
置決めする回転装置と、を有することを特徴とする多軸
頭段取り替装置付工作機械を提供することによって多軸
頭を装着したマガジン及びＡＨＣを同時に又は別々に独
立して回転させることができるようにした。Further, according to a third aspect of the present invention, a plurality of multi-axis head units, that is, multi-axis heads, are clamped on the outer circumference of a rotary body which is supported above the bed and which rotates around a horizontal axis in the front-rear direction, and the upper position is set. An automatic head exchanging device for indexing to a lower position, that is, an AHC, and a head for machining a workpiece by mounting a multi-axial head indexed to the lower position, which is guided and supported below the AHC so as to be reciprocally movable in the front-rear direction. A stock unit, a magazine provided above and above the upper position, which rotates around a vertical axis to clamp a plurality of multi-axial heads on the outer circumference and index to the front position, and the AHC or the multi-axial head clamped to the magazine. An exchanging device for exchanging between the upper position and the front position, wherein the exchanging device drives a gripping device that grips a multi-axial head to move backward from the upper position in a front-rear horizontal direction. A moving device that moves up to and a rotating device that drives the gripping device that is supported by a horizontal axis in the left-right direction and grips the multi-axial head to rotate and position the multi-axial head from the retracted position to the front position. By providing a machine tool with a multi-axis head changeover device, the magazine equipped with the multi-axis head and the AHC can be rotated simultaneously or separately independently.

【０００８】[0008]

【発明の実施の形態】以下添付した図１乃至図５に基づ
きこの発明を詳細に説明する。本発明の１発明の一実施
の形態の全体構成を示す正面立面図である図１に示すよ
うに、本発明の１発明の多軸頭段取り替装置付工作機械
は、ベッド１の上方に支柱11、11及び図示しない支柱に
支持された前後方向水平軸３の回りを回転する回転体31
外周に複数の多軸ヘッドユニット即ち多軸頭２をクラン
プしかつ上方位置Ａと下方位置Ｂに割り出す自動ヘッド
交換装置即ちＡＨＣ30と、ＡＨＣ30の下方に前後方向に
往復動可能に案内支持され下方位置Ｂに割り出された多
軸頭２を前端21に装着して工作物22を加工するヘッドス
トックユニット23と、上方位置Ａの後上方に設けられ垂
直軸４の回りを回転し外周に複数の多軸頭２をクランプ
しかつ前方位置Ｄに割り出すマガジン40と、ＡＨＣ30又
はマガジン40にクランプされた多軸頭２を上方位置Ａと
前方位置Ｄの間で交換する交換装置50とを有し、交換装
置50は、多軸頭２を把持した把持装置52を駆動して上方
位置Ａから前後方向水平に後退位置Ｃまで移動する移動
装置51と、左右方向水平軸５に軸支されて多軸頭２を把
持した把持装置52を駆動して多軸頭２を後退位置Ｃから
前方位置Ｄまで回動し位置決めする回転装置52′と、を
有する。ヘッドストックユニット23はベッド１上で前後
方向に往復動可能にされたフイードユニット24上に固定
されている。かかる構成によると、移動装置51及び回転
装置52′が後退位置Ｃにあるときは、従来の装置のよう
に前方位置又は上方位置に相当する位置に移載装置の回
動台の支持部材が位置していなくても、多軸頭を装着し
たＡＨＣ30及びマガジン40は同時に又は別々に独立して
回転させることができる。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the attached FIGS. As shown in FIG. 1, which is a front elevational view showing an overall configuration of an embodiment of the invention 1 of the present invention, a machine tool with a multi-axis head changeover device of the invention 1 of the present invention is installed above a bed 1. Rotating body 31 that rotates around the horizontal axis 3 in the front-rear direction supported by the columns 11 and 11 and columns not shown.
An automatic head changer or AHC30 that clamps a plurality of multi-axis head units, that is, multi-axis heads 2 on the outer circumference and indexes to upper and lower positions A and B, and is guided and supported below AHC30 so as to be reciprocally movable in the front-rear direction, and is in the lower position. A headstock unit 23 that mounts the multi-axis head 2 indexed to B on the front end 21 to machine the workpiece 22, and a headstock unit 23 that is provided above and above the upper position A and rotates around the vertical axis 4 to form a plurality of outer circumferences. A magazine 40 for clamping the polyaxial head 2 and indexing it to the front position D; and an exchange device 50 for exchanging the AHC 30 or the polyaxial head 2 clamped in the magazine 40 between the upper position A and the front position D, The exchanging device 50 includes a moving device 51 that drives a gripping device 52 that holds the multi-axial head 2 to move horizontally from an upper position A to a retracted position C in the front-rear direction, and a multi-axial device that is supported by a horizontal horizontal shaft 5. Drive the gripping device 52 that grips the head 2. Having Tajikuatama 2 from the retracted position C and the rotation device 52 'which rotates to position to the forward position D, and. The headstock unit 23 is fixed on a feed unit 24 which is reciprocally movable in the front-rear direction on the bed 1. With this configuration, when the moving device 51 and the rotating device 52 'are in the retracted position C, the supporting member of the rotary table of the transfer device is positioned at a position corresponding to the front position or the upper position as in the conventional device. Even if not, the AHC 30 equipped with a multi-axis head and the magazine 40 can be rotated simultaneously or separately independently.

【０００９】好ましくは、図１及び図２に示すように、
多軸頭２を把持する把持装置52は上方位置Ａに位置決め
された多軸頭２両側面 53、53に設けられた側面係合部 5
4、54に補合する把持部 55、55を有する。56、56 はアーム
で、把持部 55、55を支持しする。アーム56、56 下端は移
動装置51上に固定された基台51′に左右方向水平軸５を
回転軸として軸支され、アーム56、56 下方は回転装置5
2′の回動シリンダー 514のロッド524 に連結され、回
動シリンダー 514の駆動によって、多軸頭２を把持する
把持装置52は後退位置Ｃから前方位置Ｄまで回動し位置
決めされる。そして移動装置51上に固定された基台51′
は移動装置51の前後方向シリンダー 513により前方向水
平方向に移動させて後退位置Ｃから上方位置Ａに、多軸
頭２を把持する把持装置52を駆動して移動させる。把持
装置52の把持部 55、55は液圧シリンダー 57、57で作動さ
れ、従来の装置のようにＡＨＣ30又はマガジン40の動作
がなくても、多軸頭２を確実に把持することができる。Preferably, as shown in FIGS. 1 and 2,
The gripping device 52 for gripping the multi-axial head 2 has side engaging portions 5 provided on both side surfaces 53, 53 of the multi-axial head 2 positioned at the upper position A.
It has gripping parts 55, 55 that complement the 4, 54. Reference numerals 56 and 56 denote arms that support the grips 55 and 55. The lower ends of the arms 56, 56 are pivotally supported on a base 51 'fixed on the moving device 51 with the horizontal horizontal shaft 5 as a rotation shaft, and the lower parts of the arms 56, 56 are the rotating device 5'.
The gripping device 52, which is connected to the rod 524 of the 2'rotating cylinder 514 and grips the multi-axial head 2, is rotated from the retracted position C to the front position D and positioned. And a base 51 'fixed on the moving device 51
Is moved in the forward horizontal direction by the front-rear cylinder 513 of the moving device 51 to drive the gripping device 52 which grips the polyaxial head 2 from the retracted position C to the upper position A. The gripping parts 55, 55 of the gripping device 52 are operated by the hydraulic cylinders 57, 57, and the polyaxial head 2 can be securely gripped without the operation of the AHC 30 or the magazine 40 unlike the conventional device.

【００１０】本発明の別の発明によると図１及び図２に
示すように、本発明の多軸頭段取り替装置付工作機械
は、ベッド１の上方に支柱11、11及び図示しない支柱に
支持された前後方向水平軸３の回りを前後方向水平軸３
に支持されて回転する回転体31外周のクランプは、上方
位置Ａに回転体31外周のみが、即ち多軸頭２が外された
状態で、位置決めされたとき、移動装置51上の基台51′
に軸支された把持装置52に把持された多軸頭２は後退位
置Ｃにあり、移動装置51の前後方向シリンダー 513によ
り、把持装置52に把持された多軸頭２を前方向水平方向
に移動させて、多軸頭係合部32を回転体外周係合部33に
挿入することによって行われ、多軸頭２のアンクランプ
は回転体外周係合部33に設けたアンクランプピン34を前
方向水平方向に押し込むことによって行われる。かかる
構成により、従来の装置のように上方位置に相当する位
置に移載装置の回動台の支持部材が位置していなくて
も、多軸頭を装着したＡＨＣを独立して回転させること
ができるようにした。前後方向水平軸３は図５に詳細に
示すように、図示しない装置に支持されたＡＨＣハウジ
ング37内に回転可能に支持され、ＡＣサーボモータ35と
減速機36を介し前後方向水平軸３及び前後方向水平軸３
に支持された回転体31を回転される。According to another invention of the present invention, as shown in FIGS. 1 and 2, a machine tool with a multi-axis head changeover device of the present invention supports columns 11, 11 above a bed 1 and columns not shown. Around the horizontal axis 3 in the front-rear direction
The clamp of the outer circumference of the rotating body 31 supported by and rotating on the base 51 on the moving device 51 is positioned at the upper position A when only the outer circumference of the rotating body 31, that is, the polyaxial head 2 is removed. ′
The multi-axial head 2 gripped by the gripping device 52 pivotally supported at the position is in the retracted position C, and the multi-axial head 2 gripped by the gripping device 52 is moved in the forward horizontal direction by the front-rear direction cylinder 513 of the moving device 51. The unclamping of the multi-axial head 2 is performed by moving the multi-axial head engaging portion 32 and inserting the multi-axial head engaging portion 32 into the rotary body outer peripheral engaging portion 33. It is performed by pushing in the forward horizontal direction. With such a configuration, the AHC equipped with the multi-axis head can be independently rotated even if the supporting member of the rotary base of the transfer device is not located at a position corresponding to the upper position as in the conventional device. I made it possible. As shown in detail in FIG. 5, the front-rear horizontal axis 3 is rotatably supported in an AHC housing 37 supported by a device (not shown), and the front-rear horizontal axis 3 and the front-rear horizontal axis 3 are connected via an AC servomotor 35 and a speed reducer 36. Direction horizontal axis 3
The rotating body 31 supported by is rotated.

【００１１】好ましくは、回転体外周係合部33は断面で
みて両側に対向したかぎ部 38、38を有し、多軸頭係合部
32はかぎ部 38、38間に補合する断面形状を有し、さらに
図４に詳細に示すように、アンクランプピン34は回転体
外周係合部33に設けた穴 341に前後方向水平方向に移動
自由かつ回転不能にスプリング 342で支持されかつ先端
に軸方向に上方及び両幅が削除された断面が長方形をな
して延びる直線部分 343と直線部分 343から上方に向け
て延びる表斜面346 及びそれと平行な裏斜面345 を有す
る立上り部 344とを有し、表斜面346 及び裏斜面345 は
アンクランプピン34と交差する方向に配置され多軸頭係
合部32のピン穴 350に挿入可能なクランプピン 347の交
差長穴 348内に回転不能に嵌合し、クランプピン 347は
交差長穴348内で表斜面346 及び裏斜面345 と係合する
２個の長穴斜面を持ち、アンクランプピン 349が自由位
置にあるときは長穴斜面 349は表斜面346 に押されクラ
ンプピン 347は上昇し多軸頭２をクランプし、アンクラ
ンプピン34が前方向水平方向に押されたときは長穴斜面
349は裏斜面345 に押されクランプピン 347は下降し多
軸頭２のクランプを解除するようにされている。Preferably, the rotary member outer peripheral engaging portion 33 has hook portions 38, 38 opposed to each other in cross section, and the multi-shaft head engaging portion is provided.
32 has a cross-sectional shape that fits between the hooks 38, 38. Further, as shown in detail in FIG. 4, the unclamp pin 34 is inserted in the hole 341 provided in the rotor outer peripheral engagement portion 33 in the front-back direction horizontal direction. A straight line portion 343 which is movably and non-rotatably supported by a spring 342 and which has a rectangular cross section with an axially upward and both widths removed and a front slope 346 which extends upward from the straight line portion 343 and And a rising portion 344 having a back slope 345 parallel thereto, and the front slope 346 and the back slope 345 are arranged in a direction intersecting with the unclamp pin 34 and can be inserted into the pin holes 350 of the multi-axis head engaging portion 32. Clamping pin 347 non-rotatably fits in cross slot 348, and clamp pin 347 has two slotted bevels that engage front bevel 346 and back bevel 345 in cross slot 348 to provide unclamp pin. The slotted slope 349 is pushed onto the front slope 346 when the 349 is in the free position. Lamp pins 347 clamps elevated Tajikuatama 2, the elongated hole slopes when unclamping pin 34 is pushed forward horizontally
349 is pushed by the back slope 345, and the clamp pin 347 descends to release the clamp of the multiaxial head 2.

【００１２】多軸頭２のクランプの解除は、図５に示す
ように、多軸頭２が上方位置Ａにあるときは、移動装置
51の先端に図示しない装置を介して支持されたアンクラ
ンプレバー 511がアンクランプピン34を前方向水平方向
に押し込むことによって行われ、さらに多軸頭２が下方
位置Ｂにあるときは、ＡＨＣハウジング37先端下方に設
けた下方位置クランプ解除ドッグ 512の左右の斜面 522
がアンクランプピン34を前方向水平方向に押し込むこと
によって行われる。多軸頭２を把持する把持装置52を上
方位置Ａから前後方向水平に後退位置Ｃまで移動する移
動装置51は、図１の点線で示す多軸頭後退位置Ｃで、多
軸頭２を載せない状態で、上方位置Ａにある多軸頭２に
対し前進すると、移動装置51の先端に支持されたアンク
ランプレバー 511がアンクランプピン34を押し込み多軸
頭２のクランプの解除をし、その状態を保持しながらさ
らに前進して移動装置の把持装置52の把持部 55、55が多
軸頭２両側面 53、53の側面係合部 54、54と液圧シリンダ
ー 57、57により把持し、次に後方向水平に後退位置Ｃま
で前後方向シリンダー 513により移動させられる。When the multi-shaft head 2 is in the upper position A as shown in FIG. 5, the clamp of the multi-shaft head 2 is released by the moving device.
When the unclamp lever 511 supported by the tip of 51 through a device not shown pushes the unclamp pin 34 in the forward horizontal direction, and when the multi-axial head 2 is in the lower position B, the AHC housing 37 Lower position clamp release dog 512 provided on the lower end of the tip
Is performed by pushing the unclamp pin 34 in the forward horizontal direction. The moving device 51 that moves the gripping device 52 that holds the multiaxial head 2 from the upper position A to the retracted position C horizontally in the front-rear direction is mounted at the multiaxial head retracted position C shown by the dotted line in FIG. If the unclamp lever 511 supported by the tip of the moving device 51 pushes the unclamp pin 34 to release the clamp of the multi-axial head 2, when the multi-axial head 2 in the upper position A is advanced, the unclamp lever 511 is released. While holding the state, it further advances and the gripping parts 55, 55 of the gripping device 52 of the moving device are gripped by the side engaging parts 54, 54 and the hydraulic cylinders 57, 57 of both side surfaces 53, 53 of the polyaxial head 2. Then, it is moved rearward horizontally to the retracted position C by the front-rear cylinder 513.

【００１３】本発明のさらに別の発明によると、本発明
の多軸頭段取り替装置付工作機械は、図１及び図３に示
すように、上方位置Ａの後上方に設けられ図示しない支
持装置で支持された、垂直軸４の回りを回転し外周に複
数の多軸頭２をクランプしかつ前方位置Ｄに割り出すマ
ガジン40を有する。マガジン40外周のクランプは、把持
装置52により把持された多軸頭２が前方位置Ｄに位置決
めされたとき、マガジン外周係合部41が多軸頭係止部42
をクランプすることによって行われる。かかる構成によ
って、マガジン外周係合部41に多軸頭２がクランプされ
たとき、従来の装置のように前方位置に相当する位置に
移載装置の回動台の支持部材が位置していなくても、多
軸頭を装着したマガジンを独立して回転させることがで
きるようにした。マガジン40はマガジン回転ＡＣサーボ
モーター44によって作動される。According to still another aspect of the present invention, a machine tool with a multi-axis head changeover device of the present invention is provided, as shown in FIG. 1 and FIG. It has a magazine 40 which is supported by the above and rotates around a vertical axis 4 to clamp a plurality of multi-axis heads 2 on the outer periphery and to index to a front position D. The clamp on the outer periphery of the magazine 40 has a magazine outer peripheral engaging portion 41 and a multiaxial head locking portion 42 when the multiaxial head 2 gripped by the gripping device 52 is positioned at the front position D.
Is done by clamping. With this configuration, when the multi-axial head 2 is clamped by the magazine outer peripheral engagement portion 41, the supporting member of the rotary table of the transfer device is not located at the position corresponding to the front position unlike the conventional device. In addition, the magazine equipped with a multi-axis head can be rotated independently. The magazine 40 is operated by a magazine rotating AC servomotor 44.

【００１４】好ましくは、多軸頭係止部42は多軸頭２ク
ランプ側面に設けたかぎ形フランジ421からなり、マガ
ジン外周係合部41は、マガジン外周に設けた下部支持部
412と、下部支持部 412に上下動可能に支持されかぎ形
フランジ 421と補合する上部かぎ部 411と、からなり、
上部かぎ部 411は下部支持部 412に支持された液圧シリ
ンダー 413（図３）により、確実に多軸頭係止部42をク
ランプできるようにされている。後退位置Ｃにある多軸
頭２を把持する把持装置52のアーム56、56 下方は回動シ
リンダー 514のロッド524 に連結され、回転装置52′の
回動シリンダー514により左右方向水平軸５を中心とし
て把持装置52により把持された多軸頭２は前方位置Ｄま
で回動され、その位置で把持装置52の把持部 55、55が多
軸頭２両側面 53、53の側面係合部 54、54との係合を液圧
シリンダー 57、57により把持を解き、次にマガジン外周
係合部41が多軸頭係止部42をクランプする。把持装置52
の把持部 55、55は回転装置52′の回動シリンダー 514に
より元の多軸頭２を載せない状態で後退位置Ｃに、即ち
図１の点線で示す多軸頭後退位置Ｃまで戻される。Preferably, the multi-shaft head locking portion 42 comprises a hook-shaped flange 421 provided on the side surface of the multi-shaft head 2 clamp, and the magazine outer peripheral engaging portion 41 is a lower support portion provided on the outer circumference of the magazine.
412 and an upper hook portion 411 that is supported by the lower support portion 412 so as to be movable up and down and complements the hook-shaped flange 421.
The upper hook portion 411 is configured so that the multi-axial head locking portion 42 can be reliably clamped by the hydraulic cylinder 413 (FIG. 3) supported by the lower support portion 412. The lower parts of the arms 56, 56 of the gripping device 52 for gripping the multi-axial head 2 in the retracted position C are connected to the rod 524 of the rotating cylinder 514, and the rotating device ′ of the rotating device 52 ′ centers the horizontal axis 5 in the horizontal direction. As a result, the multi-axial head 2 gripped by the gripping device 52 is rotated to the front position D, and at that position, the gripping parts 55, 55 of the gripping device 52 are the side engaging parts 54 of the both-side surfaces 53, 53 of the multi-axial head 2. The engagement with 54 is released by hydraulic cylinders 57, 57, and then the magazine outer peripheral engagement portion 41 clamps the multi-axis head locking portion 42. Gripping device 52
The gripping parts 55, 55 are returned to the retracted position C by the rotating cylinder 514 of the rotating device 52 'without the original polyaxial head 2 being placed thereon, that is, to the polyaxial head retracted position C shown by the dotted line in FIG.

【００１５】次に本発明の多軸頭段取り替装置付工作機
械で、ＡＨＣ30内の多軸頭２を、マガジン40内の多軸頭
２と交換する場合の作動順序を説明する。まずＡＨＣ30
は多軸頭２を上方位置Ａに割り出す。このとき移動装置
51が駆動する把持装置52の把持部 55、55は多軸頭２を把
持しない状態で後退位置Ｃにある。次に把持装置52の把
持部 55、55が移動装置51の前後方向シリンダー 513によ
り前方向水平方向に移動されて前進し移動装置51の先端
に設けられたアンクランプレバー 511がアンクランプピ
ン34を前方向水平方向に押し込み多軸頭２のクランプの
解除をし、その状態を保持しながらさらに前進して移動
装置51の把持装置52の把持部 55、55が多軸頭２両側面 5
3、53の側面係合部 54、54と液圧シリンダー 57、57により
把持し、次に把持装置52の把持部 55、55が多軸頭２を把
持して後方向水平方向に後退位置Ｃまで前後方向シリン
ダー 513により移動させられる。次に移動装置51の把持
部55、55で把持した多軸頭２は左右方向水平軸５を中心
として前方位置Ｄまで回転装置52′の回動シリンダー 5
14により回動され、そして把持装置52の把持部 55、55が
多軸頭２の把持を解き、その位置で、マガジン外周係合
部41が多軸頭係止部42をクランプし多軸頭２をマガジン
40内に保持する。把持装置52は、回動シリンダー 514に
より元の多軸頭２を載せない状態で後退位置Ｃに戻され
る。Next, in the machine tool with the multi-axis head changeover device of the present invention, the operation sequence for replacing the multi-axis head 2 in the AHC 30 with the multi-axis head 2 in the magazine 40 will be described. First, AHC30
Index the polyaxial head 2 to the upper position A. At this time the moving device
The grips 55, 55 of the gripping device 52 driven by 51 are in the retracted position C without gripping the polyaxial head 2. Next, the gripping parts 55, 55 of the gripping device 52 are moved forward by the front-rear direction cylinder 513 of the moving device 51 to move forward, and the unclamp lever 511 provided at the tip of the moving device 51 moves the unclamp pin 34. Push in the forward horizontal direction to release the clamp of the multi-axis head 2, and further move forward while maintaining this state, and the gripping parts 55, 55 of the gripping device 52 of the moving device 51 will have both side surfaces 5 of the multi-axis head 2.
The side engaging portions 54, 54 of the reference numerals 3, 53 and the hydraulic cylinders 57, 57 are used for gripping, and then the gripping portions 55, 55 of the gripping device 52 grip the polyaxial head 2 for retracting position C in the rearward horizontal direction. It is moved by the front-rear cylinder 513 up to. Next, the multi-axis head 2 gripped by the grips 55, 55 of the moving device 51 is rotated about the horizontal shaft 5 in the left-right direction to the front position D by the rotating cylinder 5'of the rotating device 52 '.
The gripper 55, 55 of the gripping device 52 releases the grip of the polyaxial head 2 by the rotation of 14, and at that position, the magazine outer peripheral engagement portion 41 clamps the polyaxial head locking portion 42 and 2 magazine
Keep within 40. The gripping device 52 is returned to the retracted position C by the rotating cylinder 514 without mounting the original polyaxial head 2.

【００１６】更にマガジン40が多軸頭２を割り出し、多
軸頭２を把持しない把持装置52の把持部 55、55が前方位
置Ｄまで回転装置52′の回動シリンダー 514に駆動され
て回動され、マガジン40の外周係合部41が多軸頭２のク
ランプを解き、把持部 55、55が多軸頭２を把持する。次
に多軸頭２を把持した把持装置52の把持部 55、55が後退
位置Ｃまで回動シリンダー 514により回動され、次に多
軸頭２を把持した把持装置52の把持部 55、55は移動装置
51の前後方向シリンダー 513に駆動されて前進し、多軸
頭２はＡＨＣ30の上方位置Ａまで前方向水平方向に進
み、ＡＨＣ30の多軸頭係合部32を回転体31外周係合部33
に挿入することによって多軸頭２はＡＨＣ30にクランプ
される。次にＡＨＣ30は多軸頭２を下方位置Ｂに割り出
す。このときＡＨＣハウジング37先端下方に設けた下方
位置クランプ解除ドッグ 352がアンクランプピン34を前
方向水平方向に押し込むことによって多軸頭２はＡＨＣ
30にアンクランプされる。次にヘッドストックユニット
23が前端21に多軸頭２を装着して工作物22を加工し、作
動順序が終了する。Further, the magazine 40 indexes the multi-axial head 2, and the gripping parts 55, 55 of the gripping device 52 which does not grip the multi-axial head 2 are driven to the front position D by the rotation cylinder 514 of the rotation device 52 'to rotate. Then, the outer peripheral engagement portion 41 of the magazine 40 releases the clamp of the polyaxial head 2, and the grip portions 55 and 55 grip the polyaxial head 2. Next, the gripping parts 55, 55 of the gripping device 52 gripping the polyaxial head 2 are rotated by the rotating cylinder 514 to the retracted position C, and then the gripping parts 55, 55 of the gripping device 52 gripping the polyaxial head 2 are gripped. Is a mobile device
The multi-axial head 2 is driven forward by the front-rear direction cylinder 513 of 51 and moves forward in the horizontal direction to the upper position A of the AHC 30, and the multi-axial head engaging portion 32 of the AHC 30 is rotated by the rotating body 31 outer peripheral engaging portion 33.
The multiaxial head 2 is clamped to the AHC 30 by being inserted into the. Next, the AHC 30 indexes the polyaxial head 2 to the lower position B. At this time, the lower position clamp release dog 352 provided at the lower end of the AHC housing 37 pushes the unclamp pin 34 in the forward horizontal direction, so that the multi-axial head 2 moves to the AHC.
Unclamped to 30. Next headstock unit
23 attaches the multi-axis head 2 to the front end 21 to machine the work piece 22 and the operating sequence ends.

【００１７】[0017]

【発明の効果】以上説明したように、本発明によると、
従来装置のように前方位置又は上方位置に相当する位置
に従来装置のような移載装置の把持装置の把持部が位置
していなくても多軸頭を装着したマガジン又は／及び自
動ヘッド交換装置（ＡＨＣ）を回転させることができ、
マガジン又は／及びＡＨＣを同時に又は別々に独立して
回転させることができ、ＡＨＣを回転中にマガジン回転
させてこの間に前方位置といった作業者の都合のよい所
定の位置でマガジンに支持されたギャングヘッド即ち多
軸頭の工具取り替え等の整備／所定の位置で使用ずみ多
軸頭をマガジン外の多軸頭と交換することができ、又は
／及びマガジン回転中にＡＨＣを同時に回転させ使用ず
み多軸頭を他の多軸頭と交換することもでき、これによ
り多軸頭段取り替時間を短縮し使い勝手のよい多軸頭段
取り替装置付工作機械を提供することにある。本発明の
別の発明によると、回転体外周のクランプを多軸頭を前
方向水平方向に多軸頭係合部を回転体外周係合部に挿入
することによって独立して行われるようにしたので、多
軸頭を装着したＡＨＣを独立して回転させることができ
るようにした。さらに本発明の別の発明によると、マガ
ジン外周係合部が多軸頭係止部をクランプすることによ
って行われるので多軸頭を装着したマガジンを独立して
回転させることができるようにした。As described above, according to the present invention,
A magazine or / and an automatic head changing device equipped with a multi-axis head even if the gripping part of the gripping device of the transfer device such as the conventional device is not located at a position corresponding to the front position or the upper position like the conventional device. (AHC) can be rotated,
The magazine or / and the AHC can be rotated simultaneously or separately independently, and the magazine is rotated during the rotation of the AHC, and the gang head is supported by the magazine at a predetermined position convenient for the operator such as a front position during the rotation. That is, maintenance such as tool replacement of the multi-axis head / used at a predetermined position, the multi-axis head can be exchanged for a multi-axis head outside the magazine, or / and the AHC is simultaneously rotated during rotation of the magazine It is also possible to replace the head with another multi-axis head changer, thereby shortening the multi-axis head changeover time and providing a machine tool with a multi-axis head changeover device which is easy to use. According to another aspect of the present invention, the outer periphery of the rotary body is clamped independently by inserting the multi-axial head in the forward horizontal direction into the multi-axial head engaging portion. Therefore, the AHC equipped with a multi-axis head can be independently rotated. Further, according to another invention of the present invention, since the magazine outer peripheral engaging portion is performed by clamping the polyaxial head locking portion, the magazine equipped with the polyaxial head can be independently rotated.

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

【図１】本発明の一実施の形態の多軸頭段取り替装置付
工作機械の全体構成を示す正面立面図で説明の便宜上支
持部材を省略して示す。FIG. 1 is a front elevational view showing an overall configuration of a machine tool with a multi-axis head changeover device according to an embodiment of the present invention, in which a supporting member is omitted for convenience of description.

【図２】図１のII矢視方向から見た概略拡大側面図。FIG. 2 is a schematic enlarged side view seen from the direction of arrow II in FIG.

【図３】図１の III矢視方向から見たマガジンの一部を
示すさらに拡大した上面図で多軸頭は底面図の仮想位置
で示す。3 is a further enlarged top view showing a part of the magazine viewed from the direction of arrow III in FIG. 1, and the polyaxial head is shown in a virtual position in the bottom view.

【図４】図２の自動ヘッド交換装置即ちＡＨＣの回転体
外周のクランプ装置を示すさらに拡大した一部を切り欠
いた説明図で、(a) はアンクランプピンの断面を示す拡
大した一部を切り欠いた部分断面図、(b) は(a) のｂ矢
視方向から見た部分断面図(c) は(a) のｃ−ｃ線に沿っ
て見た一部を切り欠いた部分断面図でそれぞれ多軸頭係
合部32を取り外した状態で示す。FIG. 4 is a partially enlarged explanatory view showing the automatic head changing device of FIG. 2, that is, the clamp device for the outer periphery of the rotating body of the AHC, in which (a) is an enlarged part showing a cross section of the unclamp pin. (B) is a partial cross-sectional view as seen from the direction of arrow b in (a), (c) is a partially cut-away portion as seen along the line cc of (a) The cross-sectional views are shown with the multi-axis head engaging portion 32 removed.

【図５】図１のＡＨＣのハウジングに関連して配置され
たアンクランプ装置を示す一部を切り欠いた拡大部分断
面図である。5 is a partially cutaway enlarged partial sectional view showing an unclamping device arranged in relation to the housing of the AHC of FIG. 1. FIG.

【符号の説明】[Explanation of symbols]

１．．ベッド ２．．多軸ヘッドユニット即ち多軸頭 ３．．前後方向水平軸 ４．．垂直軸 ５．．左右方向水平軸 23．．ヘッドストックユニット 30．．自動ヘッド交換装置即ちＡＨＣ 31．．回転体 40．．マガジン 50．．交換装置 51．．移動装置 52．．回転装置 52′．．把持装置 Ａ．．上方位置 Ｂ．．下方位置 Ｃ．．後退位置 Ｄ．．前方位置 1. . Bed 2. . Multi-axis head unit or multi-axis head 3. . Front-rear horizontal axis 4. . Vertical axis 5. . Horizontal horizontal axis 23. . Headstock unit 30. . Automatic head changer or AHC 31. . Rotating body 40. . Magazine 50. . Exchanger 51. . Mobile device 52. . Rotating device 52 '. . Grasping device A. . Upper position B. . Lower position C. . Retreat position D. . Forward position

Claims (6)

【特許請求の範囲】[Claims] 【請求項１】ベッドの上方に支持された前後方向水平軸
の回りを回転する回転体外周に複数の多軸ヘッドユニッ
ト即ち多軸頭をクランプしかつ上方位置と下方位置に割
り出す自動ヘッド交換装置即ちＡＨＣと、前記ＡＨＣの
下方に前後方向に往復動可能に案内支持され前記下方位
置に割り出された多軸頭を前端に装着して工作物を加工
するヘッドストックユニットと、を有し、前記回転体外
周のクランプは、前記上方位置に前記回転体外周のみが
位置決めされたとき、前記多軸頭を前方向水平方向に多
軸頭係合部を回転体外周係合部に挿入することによって
行われ、多軸頭のアンクランプは前記回転体外周係合部
に設けたアンクランプピンを前方向水平方向にに押し込
むことによって行われるようにしたことを特徴とする多
軸頭段取り替装置付工作機械。1. An automatic head exchanging device for clamping a plurality of multi-axis head units, that is, multi-axis heads on an outer periphery of a rotary body which is supported above a bed and which rotates around a horizontal axis in the front-rear direction, and which indexes the upper and lower positions. That is, it has an AHC and a headstock unit for machining a workpiece by mounting a multi-axial head, which is guided and supported below the AHC so as to reciprocate in the front-rear direction and indexed at the lower position, at a front end. The clamp for the outer periphery of the rotary body inserts the multi-axial head engaging portion in the front-horizontal direction into the rotary body outer peripheral engaging portion when only the outer periphery of the rotary body is positioned at the upper position. The unclamping of the multi-axis head is performed by pushing the unclamp pin provided in the outer peripheral engaging portion of the rotating body in the forward horizontal direction. Machine tool. 【請求項２】前記回転体外周係合部は断面でみて両側に
対向したかぎ部を有し、前記多軸頭係合部は前記かぎ部
間に補合する断面形状を有し、前記アンクランプピン
は、前記回転体外周係合部に設けた穴に前後方向水平方
向に移動自由かつ回転不能にスプリングで支持されかつ
先端は軸方向に上方及び両幅が削除されて断面が長方形
をなして延びる直線部分と前記直線部分から上方に向け
て延びる表斜面及びそれと平行な裏斜面を有する立上り
部と、を有し、前記表斜面及び裏斜面はアンクランプピ
ンと交差する方向に配置され前記多軸頭係合部のピン穴
に挿入可能なクランプピンの交差長穴内に回転不能に嵌
合し、前記クランプピンは前記交差長穴内で前記表斜面
及び裏斜面と係合する２個の長穴斜面を持ち、前記アン
クランプピンが自由位置にあるときは前記長穴斜面が前
記表斜面に押され前記クランプピンは上昇して前記多軸
頭をクランプし、前記アンクランプピンが前方向水平方
向に押されたときは前記長穴斜面は前記裏斜面に押され
前記クランプピンは下降し前記クランプピンは前記多軸
頭のクランプを解除するようにされたことを特徴とする
請求項１記載の多軸頭段取り替装置付工作機械。2. The rotating body outer peripheral engaging portion has hook portions facing each other on a cross section, and the polyaxial head engaging portion has a cross-sectional shape to be fitted between the hook portions. The clamp pin is supported in a hole provided in the outer peripheral engaging portion of the rotating body in a horizontal direction in the front-rear direction so as to be freely rotatable and non-rotatably supported by a spring. And a rising part having a front slope extending upward from the straight part and a back slope parallel to the front slope, the front slope and the back slope being arranged in a direction intersecting the unclamp pin. Two oblong holes that are non-rotatably fitted in the intersecting oblong holes of the clamp pin that can be inserted into the pin holes of the shaft head engaging portion, and the clamp pins engage with the front slope and the back oblique face in the intersecting oblong holes. Has a slope and the unclamp pin is free When it is in the stand position, the long hole slope is pushed to the front slope and the clamp pin rises to clamp the polyaxial head, and when the unclamp pin is pushed forward in the horizontal direction, the long hole slope 2. The machine tool with a multi-axis head changeover device according to claim 1, wherein is pushed by the back slope and the clamp pin is lowered to release the clamp of the multi-axis head. 【請求項３】ベッドの上方に支持された前後方向水平軸
の回りを回転する回転体外周に複数の多軸ヘッドユニッ
ト即ち多軸頭をクランプしかつ上方位置と下方位置に割
り出す自動ヘッド交換装置即ちＡＨＣと、前記ＡＨＣの
下方に前後方向に往復動可能に案内支持され前記下方位
置に割り出された多軸頭を前端に装着して工作物を加工
するヘッドストックユニットと、前記上方位置の後上方
に設けられ垂直軸の回りを回転し外周に複数の多軸頭を
クランプしかつ前方位置に割り出すマガジンと、を有
し、前記マガジン外周のクランプは、把持装置により把
持されて前記前方位置に前記多軸頭が位置決めされたと
き、マガジン外周係合部が多軸頭係止部をクランプする
ことによって行われるようにしたことを特徴とする多軸
頭段取り替装置付工作機械。3. An automatic head changer for clamping a plurality of multi-axis head units, that is, multi-axis heads, on an outer circumference of a rotary body which is supported above a bed and which rotates around a horizontal axis in the front-rear direction, and indexes the heads into upper and lower positions. That is, the AHC, a headstock unit for mounting a multi-axial head, which is guided and supported below the AHC so as to be reciprocally movable in the front-rear direction and indexed to the lower position at the front end, to machine a workpiece, and a headstock unit for the upper position. A magazine which is provided in the upper rear and rotates around a vertical axis to clamp a plurality of multi-axial heads on the outer periphery and to index to the front position, and the clamp on the outer periphery of the magazine is grasped by a grasping device and the front position When the multi-axis head is positioned in the, the outer peripheral engagement portion of the magazine is carried out by clamping the multi-axis head locking portion. Machine. 【請求項４】前記多軸頭係止部は多軸頭クランプ側面に
設けたかぎ形フランジからなり、前記マガジン外周係合
部は、マガジン外周係合部に設けた下部支持部と、下部
支持部に上下動可能に支持された前記かぎ形フランジと
補合する上部かぎ部と、を含むことを特徴とする請求項
３記載の多軸頭段取り替装置付工作機械。4. The multi-axial head engaging portion comprises a hook-shaped flange provided on a side surface of the multi-axial head clamp, and the magazine outer peripheral engaging portion includes a lower support portion provided on the magazine outer peripheral engaging portion, and a lower support portion. 4. A machine tool with a multi-axis head changer according to claim 3, further comprising: an upper hook portion that complements the hook-shaped flange movably supported by the upper shaft. 【請求項５】ベッドの上方に支持された前後方向水平軸
の回りを回転する回転体外周に複数の多軸ヘッドユニッ
ト即ち多軸頭をクランプしかつ上方位置と下方位置に割
り出す自動ヘッド交換装置即ちＡＨＣと、前記ＡＨＣの
下方に前後方向に往復動可能に案内支持され前記下方位
置に割り出された多軸頭を前端に装着して工作物を加工
するヘッドストックユニットと、前記上方位置の後上方
に設けられ垂直軸の回りを回転し外周に複数の多軸頭を
クランプしかつ前方位置に割り出すマガジンと、前記Ａ
ＨＣ又はマガジンにクランプされた多軸頭を前記上方位
置と前方位置の間で交換する交換装置とを有し、前記交
換装置は、多軸頭を把持した把持装置を駆動して前記上
方位置から前後方向水平方向に後退位置まで移動する移
動装置と、左右方向水平軸に軸支されて多軸頭を把持し
た前記把持装置を駆動して多軸頭を前記後退位置から前
方位置まで回動し位置決めする回転装置と、を有するこ
とを特徴とする多軸頭段取り替装置付工作機械。5. An automatic head changing device for clamping a plurality of multi-axis head units, that is, multi-axis heads on an outer circumference of a rotating body which is supported above a bed and which rotates around a horizontal axis in the front-rear direction, and for indexing the upper position and the lower position. That is, the AHC, a headstock unit for mounting a multi-axial head, which is guided and supported below the AHC so as to be reciprocally movable in the front-rear direction and indexed to the lower position at the front end, to machine a workpiece, and a headstock unit for the upper position. A magazine which is provided in the upper rear and rotates around a vertical axis to clamp a plurality of multi-axis heads on the outer periphery and to index to the front position
An exchanging device for exchanging the multiaxial head clamped in the HC or the magazine between the upper position and the front position, the exchanging device driving a gripping device that grips the multiaxial head from the upper position. A moving device that moves to the retracted position horizontally in the front-rear direction and the gripping device that is supported by the horizontal horizontal shaft to grip the polyaxial head are driven to rotate the polyaxial head from the retracted position to the front position. A machine tool with a multi-axis head changeover device, comprising: a rotating device for positioning. 【請求項６】前記多軸頭を把持する前記把持装置は前記
上方位置に位置決めされた多軸頭両側面に設けられた側
面係合部と、前記側面係合部に補合する把持部を有する
ことを特徴とする請求項５記載の多軸頭段取り替装置付
工作機械。6. The gripping device for gripping the polyaxial head includes side engaging portions provided on both side surfaces of the polyaxial head positioned at the upper position, and a gripping portion complementing the side engaging portions. A machine tool with a multi-axis head changeover device according to claim 5.
JP7263705A 1995-09-19 1995-09-19 Machine tool provided with multi-spindle head changing device Withdrawn JPH0985564A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7263705A JPH0985564A (en) 1995-09-19 1995-09-19 Machine tool provided with multi-spindle head changing device
KR1019960034815A KR970014889A (en) 1995-09-19 1996-08-22 Machine tool with multi-axis head part exchange device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7263705A JPH0985564A (en) 1995-09-19 1995-09-19 Machine tool provided with multi-spindle head changing device

Publications (1)

Publication Number Publication Date
JPH0985564A true JPH0985564A (en) 1997-03-31

Family

ID=17393185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7263705A Withdrawn JPH0985564A (en) 1995-09-19 1995-09-19 Machine tool provided with multi-spindle head changing device

Country Status (2)

Country Link
JP (1) JPH0985564A (en)
KR (1) KR970014889A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103182542A (en) * 2013-03-20 2013-07-03 北京工业大学 Horizontal multi-station precision digital controlled drill for processing magnetic bars
CN111390235A (en) * 2020-05-08 2020-07-10 致友(长春)新能源汽车零部件制造有限公司 Two-sided six special planes that punch of high-strength aluminum alloy frame bearing structure
CN113146319A (en) * 2021-05-26 2021-07-23 江苏普拉迪数控科技有限公司 Sliding seat mechanism for automatic head changing warehouse
CN116372611A (en) * 2023-03-08 2023-07-04 如皋市宏茂重型锻压有限公司 Shaft forging self-positioning tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103182542A (en) * 2013-03-20 2013-07-03 北京工业大学 Horizontal multi-station precision digital controlled drill for processing magnetic bars
CN111390235A (en) * 2020-05-08 2020-07-10 致友(长春)新能源汽车零部件制造有限公司 Two-sided six special planes that punch of high-strength aluminum alloy frame bearing structure
CN113146319A (en) * 2021-05-26 2021-07-23 江苏普拉迪数控科技有限公司 Sliding seat mechanism for automatic head changing warehouse
CN116372611A (en) * 2023-03-08 2023-07-04 如皋市宏茂重型锻压有限公司 Shaft forging self-positioning tool
CN116372611B (en) * 2023-03-08 2023-12-05 如皋市宏茂重型锻压有限公司 Shaft forging self-positioning tool

Also Published As

Publication number Publication date
KR970014889A (en) 1997-04-28

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