KR920002267A - Spindle clamping machine tool - Google Patents

Spindle clamping machine tool Download PDF

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Publication number
KR920002267A
KR920002267A KR1019910011681A KR910011681A KR920002267A KR 920002267 A KR920002267 A KR 920002267A KR 1019910011681 A KR1019910011681 A KR 1019910011681A KR 910011681 A KR910011681 A KR 910011681A KR 920002267 A KR920002267 A KR 920002267A
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KR
South Korea
Prior art keywords
spindle
clamping
clamping device
ring
clamping ring
Prior art date
Application number
KR1019910011681A
Other languages
Korean (ko)
Other versions
KR940003945B1 (en
Inventor
마꼬도 사가라
사다무 바바
Original Assignee
이와바시 아끼라
도시바 기까이 가부시끼가이샤
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Publication date
Application filed by 이와바시 아끼라, 도시바 기까이 가부시끼가이샤 filed Critical 이와바시 아끼라
Publication of KR920002267A publication Critical patent/KR920002267A/en
Application granted granted Critical
Publication of KR940003945B1 publication Critical patent/KR940003945B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02Driving main working members
    • B23Q5/04Driving main working members rotary shafts, e.g. working-spindles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/26Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/28Means for securing sliding members in any desired position
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/94Tool-support
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/309352Cutter spindle or spindle support

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Drilling And Boring (AREA)

Abstract

내용 없음No content

Description

공작기계의 주축 클램핑장치Spindle clamping machine tool

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 실시예를 구성하는 주축 클램핑장치의 단면도,1 is a cross-sectional view of the spindle clamping device constituting an embodiment of the present invention,

제2도는 내부 및 외부링으로 이루어진 클행프링의 단면도.2 is a cross-sectional view of a clan spring consisting of an inner and an outer ring.

제3도는 제1및 제2주축이 서로 클램프 된것을 도시한 제1도의 장치의 확대부분 단면도.3 is an enlarged, cross-sectional view of the apparatus of FIG. 1 showing the first and second spindles clamped together;

Claims (10)

주축헤드(2), 상기 주축헤드내에 회전가능하게 지지된 중공의 제1주축(1), 및 그 축방향으로 전후 이동되도록 상기 제1주축내에 회전가능하게 지지된 제2주축(4)을 가진 공작기계내에 있는 주축 클램핑장치에 있어서, 상기 주축 클램핑장치는, 제1주축(1)과 제2주축(4)사이에 형성된 환형의 공간(11); 내부 및 외부클램프링 중의 하나는 주축의 측방향으로 이동가능하지 않으며, 다른 클램프링은 하나의 클램프링에 대하여 축방향으로 미끄럼이동 가능하며, 상기 공간내에 형성되거 외부 및 내부원주형 표면을 가지고 있고, 서로 미끄럼 접촉상채로 있는 적어도 한세트의 방사상 내부 및 외부클램핑(13A;13B;14A;14, 15); 축방향에 대한 상기 미끄럼 이동가능한 클램프링의 한축에서 상기 공간내에 배치되고, 상기 원추형표면으로 인해 웨지효과를 발생시키도록 미끄럼 이동 가능한 클램프링을 축방향으로 밀기 위하여 미끄럼 이동가능한 클램프링상에 축방향으로 밀기 위하여 미끄럼 이동가능한 클램프링상에 축방향 힘을 발휘하며, 이에 따라 제1및 제2주축을 서로 클램프시키는 스프링수단(12);상기 미끄럼 이동가능한 클램프링의 다른축에 있는 주축 사이에서 형성된 환형의 정압챔버(19), 유압원에 연결되어 있고 유압원의 이입함에 따라 스프링수단의 상기 축방향 힘에 반대의 축방향 힘을 발휘하며, 이에 따라 추축을 언클램프하도록 미끄럼 가능한 클램프링을 변위시키는 상기 정압 챔버;로 구성되어 있는 것을 특징으로 하는 주축 클램핑장치.A main shaft head 2, a hollow first spindle 1 rotatably supported in the spindle head, and a second spindle 4 rotatably supported in the first spindle so as to be moved back and forth in the axial direction thereof. A spindle clamping device in a machine tool, the spindle clamping device comprising: an annular space (11) formed between a first spindle (1) and a second spindle (4); One of the inner and outer clamping rings is not movable in the lateral direction of the main shaft, the other clamping ring is axially slidable relative to one clamping ring, formed in the space and having an outer and inner cylindrical surface At least one set of radial inner and outer clamping 13A; 13B; 14A; 14, 15 in sliding contact with each other; Axially disposed on the slideable clamping ring for axially pushing the slideable clamping ring in the space on one axis of the slideable clamping ring in the axial direction and causing a wedge effect due to the conical surface. A spring means (12) exerting an axial force on the slideable clamping ring for pushing, thereby clamping the first and second spindles to each other; an annular ring formed between the main shafts on the other axis of the slideable clamping ring The positive pressure chamber 19, which is connected to the hydraulic source and exerts an axial force opposite the axial force of the spring means as the hydraulic source is introduced, thereby displacing the slidable clamping ring to unclamp the axis. Constant pressure chamber; Spindle clamping device, characterized in that consisting of. 제1항에 있어서, 상기 환형의 공간(11)은 중공의 제1주축(1)의 내부표면에 형성되어 있는 것을 특징으로 하는 주축 클램핑 장치.2. The spindle clamping device according to claim 1, wherein the annular space (11) is formed on the inner surface of the hollow first spindle (1). 제1항에 있어서, 상기 스프링수단은 한세트의 디스크스프링(12)인 것을 특징으로 하는 주축 클램핑장치.2. A spindle clamping device according to claim 1, wherein the spring means is a set of disc springs. 제1항에 있어서, 상기 이동가능한 클램프링은 상기 환형의 공간내에 삽입된 칼라(15,31)에 의해서 축방향으로 이동불가능하게 고정되어 있는 것을 특징으로 하는 주축 클램핑장치.2. A spindle clamping device according to claim 1, wherein the movable clamp ring is immovably fixed in the axial direction by a collar (15,31) inserted into the annular space. 제1항에 있어서, 축방향으로 미끄럼 이동가능한 제2주축(4)의 외부표면상에 삽입되어 있고 챔버내의 압력에 의해서 발생되는 힘을 미끄럼 이동가능한 클램프링에 전달하도록 상기 압력 챔버(19)와 미끄럼 이동가능한 클램프링 사이에 삽입된 시일부재(18)을 더 포함하고 있는 것을 특징으로 하는 주축 클램핑장치.The pressure chamber (19) according to claim 1, which is inserted on the outer surface of the second spindle (4) axially slidably and transfers the force generated by the pressure in the chamber to the sliding clamping ring. Spindle clamping device, characterized in that it further comprises a seal member (18) inserted between the sliding clamp ring. 제5항에 있어서, 시일부재 및 압력챔버를 제2주축으로 부터 분리하기 위하여 중공의 제1주축(1)의 내부표면에 삽입될 슬리이브(32)를 더 포함하고 있는 것을 특징으로 하는 주축 클램핑장치.6. The spindle clamping according to claim 5, further comprising a sleeve (32) to be inserted into the inner surface of the hollow first spindle (1) for separating the seal member and the pressure chamber from the second spindle. Device. 제1항에 있어서, 압력챔버(19)를 유압원에 연결시키기 위하여 제1주축(1)내에 형성된 오일통로(20)를 더포함하고 있는 것을 특징으로 하는 주축클램핑장치.2. A spindle clamping device according to claim 1, further comprising an oil passage (20) formed in the first spindle (1) for connecting the pressure chamber (19) to the hydraulic source. 제7항에 있어서, 부시는 제1주축내의 상기 오일통로(20)와 일정한 연통산태로 있고 또한 유압원에 압력포켓(22)을 가지고 있으며, 제1주축(1)을 둘러싸고 있는 것을 특징으로 하는 주축 클램핑장치.8. A bush according to claim 7, characterized in that the bush is in constant communication with the oil passage (20) in the first spindle, and has a pressure pocket (22) in the hydraulic source and surrounds the first spindle (1). Spindle clamping device. 제8항에 있어서, 가압된 공기를 압력포켓(22)안으로 공급하기 위하여 상기 부시(21)내에 제공되며, 이에 따라 열발생을 저하시키도록 압력오일을 압력포켓으로 부터 제거시키는 공기구멍(22a)을 더포함하고 있는 것을 특징으로 하는 주축 클램핑장치.9. The air hole (22a) according to claim 8, which is provided in the bush (21) for supplying pressurized air into the pressure pocket (22), thereby removing the pressure oil from the pressure pocket to reduce heat generation. Spindle clamping device characterized in that it further comprises. 제1항에 있어서, 상기 내부클램프링은 그 내부 표면내에 내부클램핑의 원주방향으로 뻗어있는 오일제거홈(16)과 병렬관계로 배치된 압축폐쇄 가능한 축방향 슬릿(17)을 가지고 있는 것을 특징으로 하는 주축 클램핑장치.2. The inner clamping ring according to claim 1, characterized in that the inner clamping ring has a compression closure axial slit (17) arranged in parallel with an oil removal groove (16) extending in the circumferential direction of the inner clamping in its inner surface. Spindle clamping device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910011681A 1990-07-10 1991-07-10 Spindle clamping device for machine tool KR940003945B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP90-182092 1990-07-10
JP18209290 1990-07-10
JP2258623A JP2957252B2 (en) 1990-07-10 1990-09-27 Spindle clamping device for machine tools
JP90-258623 1990-09-27

Publications (2)

Publication Number Publication Date
KR920002267A true KR920002267A (en) 1992-02-28
KR940003945B1 KR940003945B1 (en) 1994-05-09

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ID=16112217

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910011681A KR940003945B1 (en) 1990-07-10 1991-07-10 Spindle clamping device for machine tool

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JP (1) JP2957252B2 (en)
KR (1) KR940003945B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745217B1 (en) * 1996-02-22 1998-05-22 Renault Automation METHOD FOR MOUNTING AN ELECTRO-SPINDLE IN A SLEEVE AND SINKING ELECTRO-SPINDLE DOOR FOR IMPLEMENTING IT
KR100341143B1 (en) * 2000-01-03 2002-06-20 양재신 Spindle clamping apparatus
TW509116U (en) 2001-12-18 2002-11-01 Ind Tech Res Inst Device for clipping and tightening spindle of honing and milling machine
JP5391995B2 (en) * 2009-10-19 2014-01-15 株式会社ジェイテクト Spindle device
KR101441760B1 (en) * 2012-12-28 2014-09-17 현대위아 주식회사 The combination structure of piercing head
JP7090043B2 (en) * 2019-02-26 2022-06-23 芝浦機械株式会社 Machine Tools

Also Published As

Publication number Publication date
JPH04176504A (en) 1992-06-24
KR940003945B1 (en) 1994-05-09
JP2957252B2 (en) 1999-10-04

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