DE20206717U1 - clamping unit - Google Patents

clamping unit

Info

Publication number
DE20206717U1
DE20206717U1 DE20206717U DE20206717U DE20206717U1 DE 20206717 U1 DE20206717 U1 DE 20206717U1 DE 20206717 U DE20206717 U DE 20206717U DE 20206717 U DE20206717 U DE 20206717U DE 20206717 U1 DE20206717 U1 DE 20206717U1
Authority
DE
Germany
Prior art keywords
clamping
unit according
piston
cylinder
tendons
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.)
Expired - Lifetime
Application number
DE20206717U
Other languages
German (de)
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.)
Erwin Halder KG
Original Assignee
Erwin Halder KG
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 Erwin Halder KG filed Critical Erwin Halder KG
Priority to DE20206717U priority Critical patent/DE20206717U1/en
Publication of DE20206717U1 publication Critical patent/DE20206717U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0063—Connecting non-slidable parts of machine tools to each other
    • B23Q1/0081—Connecting non-slidable parts of machine tools to each other using an expanding clamping member insertable in a receiving hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Spanneinheit in einer mindestens eine Druckmittelleitung (3, 17) aufweisenden Aufspannplatte (1), insbesondere einer Aufspannplatte (1) als Teil eines Maschinentisches, einer Rasterplatter oder dergl, dadurch gekennzeichnet, daß in einer Aufnahme (2) der Aufspannplatte (1) ein aus dieser hervorstehender Spannzylinder (4) eingesetzt ist, in dem ein Spannkolben (6) axial verstellbar gelagert ist zwischen einer Spannstellung, in der der Spannkolben (6) in der Wandung (7) des freien Endes (5) des Spannzylinders (4) angeordnete Spannglieder (8) nach außen aus der Wandung (7) hervordrückt, und einer Lösestellung, in der die Spannglieder (8) innerhalb der Wandung (7) und des Spannzylinders (4) aufgenommen sind, daß innerhalb des Spannzylinders (4) eine Zylinderkammer (13) ausgebildet und mit der Druckmittelleitung (3) verbunden ist zur Verstellung des Spannkolbens (6), und daß ein Rückstellmittel (14) für den Spannkolben (6) bei druckloser Zylinderkammer (13) vorgesehen ist.1. Clamping unit in a clamping plate ( 1 ) having at least one pressure medium line ( 3 , 17 ), in particular a clamping plate ( 1 ) as part of a machine table, a grid plate or the like, characterized in that in a receptacle ( 2 ) of the clamping plate ( 1 ) a clamping cylinder ( 4 ) protruding therefrom is inserted, in which a clamping piston ( 6 ) is mounted in an axially adjustable manner between a clamping position in which the clamping piston ( 6 ) is in the wall ( 7 ) of the free end ( 5 ) of the clamping cylinder ( 4 ) arranged tendons ( 8 ) pushes outwards from the wall ( 7 ), and a release position in which the tendons ( 8 ) are received within the wall ( 7 ) and the tensioning cylinder ( 4 ), that a cylinder chamber within the tensioning cylinder ( 4 ) ( 13 ) is formed and connected to the pressure medium line ( 3 ) for adjusting the tensioning piston ( 6 ), and that a restoring means ( 14 ) for the tensioning piston ( 6 ) at Drucklo water cylinder chamber ( 13 ) is provided. 2. Spanneinheit nach Anspruch 1, dadurch gekennzeichnet, daß das Rückstellmittel (14) durch eine Feder gebildet ist.2. Clamping unit according to claim 1, characterized in that the restoring means ( 14 ) is formed by a spring. 3. Spanneinheit nach Anspruch 2, dadurch gekennzeichnet, daß die Feder (15) als Druckfeder gestaltet ist. 3. Clamping unit according to claim 2, characterized in that the spring ( 15 ) is designed as a compression spring. 4. Spanneinheit nach Anspruch 1, dadurch gekennzeichnet, daß das Rückstellmittel (14) durch eine mit einer zweiten Zylinderkammer (16) zusammenwirkende zweite Druckmittelleitung (17) gebildet ist.4. Clamping unit according to claim 1, characterized in that the restoring means ( 14 ) is formed by a second pressure medium line ( 17 ) cooperating with a second cylinder chamber ( 16 ). 5. Spanneinheit nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß ein Ringbund (12) des Spannkolbens (6) die Zylinderkammer (13) begrenzt, und daß die Zylinderkammer (13) und das Rückstellmittel (14) auf gegenüberliegenden Seiten des Ringbundes (12) angeordnet sind.5. Clamping unit according to claim 3 or 4, characterized in that an annular collar ( 12 ) of the clamping piston ( 6 ) delimits the cylinder chamber ( 13 ), and that the cylinder chamber ( 13 ) and the restoring means ( 14 ) on opposite sides of the annular collar ( 12 ) are arranged. 6. Spanneinheit nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Spannkolben (6) eine Steuerkurve (18) zur Verstellung der Spannglieder (8) aufweist mit einer Querschnittsverjüngung (20) zur Aufnahme der Spannglieder (8) in der Lösestellung.6. Clamping unit according to one of claims 1 to 5, characterized in that the clamping piston ( 6 ) has a control cam ( 18 ) for adjusting the tendons ( 8 ) with a cross-sectional taper ( 20 ) for receiving the tendons ( 8 ) in the release position. 7. Spanneinheit nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Spannzylinder (4) an seinem freien Ende (5) stirnseitig eine Öffnung (19) aufweist, durch die der Spannkolben (6) ragt, und daß die Querschnittsverjüngung (20) in der Spannstellung auf der der Öffnung (19) abgewandten Seite der Spannglieder (8) ausgebildet ist.7. Clamping unit according to one of claims 1 to 6, characterized in that the clamping cylinder ( 4 ) at its free end ( 5 ) has an opening ( 19 ) through which the clamping piston ( 6 ) protrudes, and that the cross-sectional taper ( 20 ) is formed in the clamping position on the side of the tendons ( 8 ) facing away from the opening ( 19 ). 8. Spanneinheit nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Spannglieder (8) durch zur Zusammenwirkung mit Spannschrägen (9) des Werkstücks oder Werkzeugs (10) vorgesehene Spannkugeln (11) gebildet sind.8. Clamping unit according to one of claims 1 to 7, characterized in that the clamping members ( 8 ) are formed by clamping balls ( 11 ) provided for interaction with clamping slopes ( 9 ) of the workpiece or tool ( 10 ).
DE20206717U 2002-04-26 2002-04-26 clamping unit Expired - Lifetime DE20206717U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20206717U DE20206717U1 (en) 2002-04-26 2002-04-26 clamping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20206717U DE20206717U1 (en) 2002-04-26 2002-04-26 clamping unit

Publications (1)

Publication Number Publication Date
DE20206717U1 true DE20206717U1 (en) 2002-08-22

Family

ID=7970614

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20206717U Expired - Lifetime DE20206717U1 (en) 2002-04-26 2002-04-26 clamping unit

Country Status (1)

Country Link
DE (1) DE20206717U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006050472B4 (en) * 2006-10-20 2011-07-21 Männel Werkzeugbau GmbH, 08209 Device for clamping flat workpieces for machining on machine tools
CN106002415A (en) * 2016-08-03 2016-10-12 昆山冠品优精密机械有限公司 Pneumatic clamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006050472B4 (en) * 2006-10-20 2011-07-21 Männel Werkzeugbau GmbH, 08209 Device for clamping flat workpieces for machining on machine tools
CN106002415A (en) * 2016-08-03 2016-10-12 昆山冠品优精密机械有限公司 Pneumatic clamp

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020926

R163 Identified publications notified

Effective date: 20021015

R150 Term of protection extended to 6 years

Effective date: 20050622

R151 Term of protection extended to 8 years

Effective date: 20080415

R152 Term of protection extended to 10 years

Effective date: 20100304

R071 Expiry of right
R071 Expiry of right