EP0917932A1 - Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile - Google Patents

Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile Download PDF

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Publication number
EP0917932A1
EP0917932A1 EP98119088A EP98119088A EP0917932A1 EP 0917932 A1 EP0917932 A1 EP 0917932A1 EP 98119088 A EP98119088 A EP 98119088A EP 98119088 A EP98119088 A EP 98119088A EP 0917932 A1 EP0917932 A1 EP 0917932A1
Authority
EP
European Patent Office
Prior art keywords
toggle lever
toggle
clamping head
clamping
support plate
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.)
Granted
Application number
EP98119088A
Other languages
German (de)
English (en)
Other versions
EP0917932B1 (fr
Inventor
Josef-Gerhard Tünkers
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.)
I S I International SA
Original Assignee
I S I International SA
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 I S I International SA filed Critical I S I International SA
Publication of EP0917932A1 publication Critical patent/EP0917932A1/fr
Application granted granted Critical
Publication of EP0917932B1 publication Critical patent/EP0917932B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B25B5/122—Arrangements for positively actuating jaws using toggle links with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/16—Details, e.g. jaws, jaw attachments

Definitions

  • the invention relates to a toggle clamp device, in particular for use in body construction in the automotive industry.
  • Toggle clamps for use in body construction in the automotive industry are already known in various constructions. Some such toggle clamps are for example in the German utility model 93 11 132 U1 and shown and described in EP 0 636 449 B1. Especially Body construction in the automotive industry strives to save weight through the use of light metals. That's why you go increasingly in addition, the housing, i.e. clamping head and cylinder, of toggle lever clamping devices no longer - as before - from steel, but from light metal alloys, especially aluminum alloys. Such Lighter toggle clamps are used especially in mobile systems used. Because when clamping, very large reaction forces from the clamping head must be included, exists when using light metal the risk of deformation of the housing walls, especially after some operating time, so that no precise clamping position and no defined Clamping forces are more to be transferred.
  • DE 196 16 441 C1 shows a toggle lever clamping device for the body shop with a clamping head which is rectangular in a cross section guided orthogonally to the longitudinal axis of the piston rod and which is constructed from two housing parts, and with a cylinder adjoining the cylinder-side end of the clamping head in an axial extension which is a longitudinally displaceable and sealingly guided a piston to be acted upon alternately by pressure medium pressure, in particular by air pressure, which axially engages through the cylinder and a cavity of the clamping head with its piston rod, a toggle joint arrangement being attached to the free end of the piston rod and being coupled to a clamping arm , with limit switches or position transmitters in the form of microswitches, inductive switches, pneumatic switches or sensors which are integrated in a space of the clamping head, the switches being adjustable relative to one another and the cover for the same on one forming holder are arranged and fastened as an overall interchangeable query cassette in the form of a circuit board in the region of a slot in the
  • a toggle lever tensioning device is also included a clamping head and with an adjoining one in axial extension Cylinder previously known, in which presumably an alternating on both sides piston to be acted upon by fluid pressure and is sealingly guided, the cylinder and a cavity with a piston rod of the clamping head passes axially, with at the free end of the piston rod a toggle joint assembly is attached to one on one Side of the clamping head arranged clamping arm or one on both end sections an axially mounted, fork-shaped clamping arm is coupled, the toggle joint arrangement in the clamping head on one axis fixed to the housing.
  • a kind of support plate is also provided, which is arranged resiliently or resiliently.
  • the invention has for its object a toggle lever tensioning device, in particular for use in body construction in the motor vehicle industry, in which also when using light metal or light metal alloys for the clamping head and / or the cylinder and z. B. despite the arrangement of only one clamping arm on one side of the clamping head and therefore less favorable Force transmission does not lead to harmful deformations on the clamping head or its storage can come, the construction for the radial and Thrust bearing should be kept simple.
  • the pivot axis of the toggle joint arrangement which is fixed to the housing, which also the z. B. drives one-sided clamping arm, axially and radially stored in the clamping head.
  • Support plate and fixed stop can be made of hardened steel, if necessary also of ceramic material, exist and be designed accordingly large area, so that the Surface pressure in this area can be kept low.
  • the support plate is arranged in a housing wall of the clamping head and held by a screw screwed into the support plate from the outside.
  • Claim 6 describes a toggle lever tensioning device, in which the fixed stop can also be locked by one or more screws that act on the fixed stop from the outside, optionally also adjustable by screws or the like. This fixed stop enables precise tensioner adjustment, so that a certain amount of wear that occurs after some time can be compensated for by adjustment.
  • Reference number 1 denotes a cylinder, in which alternately on both sides a z. B. piston 2 to be acted upon by compressed air and is performed sealing.
  • a piston rod 3 is connected, which at its end with a toggle joint arrangement 4 is provided.
  • This toggle joint arrangement 4 has, inter alia, a swivel bracket 5 which is around a toggle joint pin 7 can be pivoted in the direction A or B by a limited amount is.
  • the swivel bracket 5 is through a hole on the toggle joint pin 7 pivotally arranged and has at its other end a further hole through which a hinge pin 8 extends the two end sections of the link plates 9 and 10 are also pivotable are arranged with one hole each.
  • These link plates 9 and 10 are integrally connected to one another.
  • a cylinder 12 connects to the cylinder 1, the parts of the piston rod 3 and the toggle joint arrangement 4 with its pivot axes 7, 8 takes up and in the wall of an axis 11 is mounted stationary.
  • the axis 11 is in the embodiments shown in the drawing led out from one side of the housing of the clamping head 12 and has the illustrated embodiment on one side a tension arm 13.
  • the axis 11 can be removed from the housing at both end sections of the chuck 12 be led out and on these two end sections carry a fork-shaped clamping arm that has a central or has off-center clamping part.
  • the axis 11 is in the embodiment of FIGS. 1 to 4 at both ends supported by a radial bearing 14 and a thrust bearing 15 smoothly. In 2, only one radial bearing 14 and one axial bearing 15 are shown. On the arrangement is also made on the opposite side of the axis 11 been.
  • the bearings 14 and 15 are designed as roller bearings, in the present case as needle bearings, so that on the one hand high forces in the axial and radial direction with large Ease of movement can be included.
  • FIG. 1 there is a support plate in the area of the top dead center position 16 arranged from hardened steel or a suitable ceramic material, which is held by at least one screw 17.
  • the screw 17 can be actuated by an externally accessible bore in the clamping head 12 are and engages in the support plate 16 to hold it. In the field of the toggle joint arrangement 4 is supported against this, so that wall parts of the clamping head 12 cannot be deformed.
  • a fixed stop 18 in the form of a Plate provided, which is also by at least one screw 19 or the like is held.
  • the fixed stop 18 serves for an exact tension adjustment and can also be made from hardened steel or from a ceramic material exist.
  • the screw 19 or the like can be a Allow adjustment and adjustment of the fixed stop 18.
  • This embodiment differs differs from the above-described embodiment in that the support plate 16 against a spring element 20, for example by one or more disc springs, is arranged resiliently. In this way, the support plate 16 dodge something so that when the top dead center is reached the toggle joint literally z. B. clicks into place. By the screw 17, the bias of the spring element 20 continuously adjust and lock.
  • - disc springs can also form one or more compression springs made of helical compression springs or a polyurethane block designed as a plastic block form the spring element 20. In this case the plastic block pre-pressed to largely eliminate hysteresis and to to achieve the required elasticity and shore hardness.
  • Both by the support plate 16 and by the fixed stop 18 can determine the exact angular position of the toggle joint at which the predetermined Tension is achieved in the area of top dead center. Furthermore wear and / or tolerances are compensated.
  • Rolling elements 21 arranged at an even angular distance from one another are provided.
  • These rolling elements are in the form of barrels or cylindrical Rolling bodies formed.
  • the rolling elements 21 engage in a formally adapted Recess 22 of the wall of the clamping head 12.
  • This recess can have a radial depression in the relevant wall of the clamping head Be 12. This forms the radial bearing of the axis 11.
  • the Rolling elements 21 lie with their outwardly facing end faces 23 a collar of the recess 22 or the like provided here.
  • the rolling elements can not only on their in the recess 22nd rolling surfaces can be slightly barrel-shaped or spherical, but also on their faces. This is necessary for the functioning as However, axial and radial bearings are not essential.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Clamps And Clips (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Mechanical Control Devices (AREA)
EP98119088A 1997-11-24 1998-10-09 Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile Expired - Lifetime EP0917932B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751950 1997-11-24
DE19751950A DE19751950C1 (de) 1997-11-24 1997-11-24 Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie

Publications (2)

Publication Number Publication Date
EP0917932A1 true EP0917932A1 (fr) 1999-05-26
EP0917932B1 EP0917932B1 (fr) 2003-02-19

Family

ID=7849619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119088A Expired - Lifetime EP0917932B1 (fr) 1997-11-24 1998-10-09 Dispositif de serrage à genouillère, en particulier pour la construction en carrosserie dans l'industrie automobile

Country Status (5)

Country Link
US (1) US6076816A (fr)
EP (1) EP0917932B1 (fr)
AT (1) ATE232773T1 (fr)
DE (2) DE19751950C1 (fr)
ES (1) ES2193458T3 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3683447B2 (ja) * 1999-10-15 2005-08-17 Ｓｍｃ株式会社 クランプ装置
US6557841B2 (en) * 2001-06-26 2003-05-06 Norgren Automotive, Inc. Over-center power clamp toggle mechanism
EP1179394A3 (fr) * 2000-08-03 2003-08-27 Norgren Automotive Inc. Dispositif motorisé de serrage autobloquant avec mécanisme à genouillère
US6565074B1 (en) * 2001-06-26 2003-05-20 Norgren Automotive, Inc. Rotary clamp having an adjustable pre-stop
ITMI20020683A1 (it) 2002-04-02 2003-10-02 Luciano Migliori Dispositivo di pinzatura per saldature laser
US6988440B2 (en) * 2002-07-18 2006-01-24 Phd, Inc. Rotary actuator assembly
US7815176B2 (en) 2003-09-11 2010-10-19 Phd, Inc. Lock mechanism for pin clamp assembly
DE102004007468A1 (de) * 2004-02-13 2005-09-01 De-Sta-Co Metallerzeugnisse Gmbh Spannvorrichtung
US7516948B2 (en) * 2004-04-02 2009-04-14 Phd, Inc. Pin clamp accessories
US7182326B2 (en) * 2004-04-02 2007-02-27 Phd, Inc. Pin clamp
US7448607B2 (en) * 2004-12-15 2008-11-11 Phd, Inc. Pin clamp assembly
US20070267795A1 (en) * 2006-02-06 2007-11-22 Parag Patwardhan Pin clamp transfer assembly and method of transferring a workpiece
WO2008157698A2 (fr) 2007-06-19 2008-12-24 Phd, Inc. Ensemble pince broche
WO2009155261A1 (fr) * 2008-06-18 2009-12-23 Phd, Inc. Pince à broche à enlèvement
DE102011110129A1 (de) * 2011-08-15 2013-02-21 De-Sta-Co Europe Gmbh Betätigungsvorrichtung
ITTO20120106A1 (it) * 2012-02-08 2013-08-09 Vep Automation Srl Apparecchiatura di bloccaggio di pezzi, particolarmente di fogli di lamiera
JP6997978B2 (ja) * 2018-10-05 2022-01-18 Smc株式会社 クランプ装置
CN109531206A (zh) * 2018-12-28 2019-03-29 佛山市普拉迪数控科技有限公司 一种行李架加工设备
DE102019121860A1 (de) * 2019-08-14 2021-02-18 Destaco Europe Gmbh Spannvorrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523565A (en) * 1976-02-13 1978-09-06 Polymatic Sa Locking head
US4905973A (en) * 1989-01-11 1990-03-06 Blatt John A Power operated clamp with externally mounted adjustable clamp arm
EP0370914A1 (fr) * 1988-11-25 1990-05-30 POLYMATIC Société Anonyme dite: Tête de bridage à rattrapage de jeux
EP0636449A1 (fr) * 1993-07-26 1995-02-01 TÜNKERS MASCHINENBAU GmbH Dispositif de serrage avec levier à genouillère pour la construction en carrosserie
DE19616441C1 (de) * 1996-04-25 1997-06-26 Tuenkers Maschinenbau Gmbh Kniehebelspannvorrichtung für den Karosseriebau

Family Cites Families (21)

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US3371953A (en) * 1967-03-16 1968-03-05 Leland F. Blatt Gripper
US3482831A (en) * 1967-09-11 1969-12-09 Leland F Blatt Toggle action jaw type gripper
FR2296494A1 (fr) * 1974-12-31 1976-07-30 Carel Fouche Languepin Dispositif de serrage pneumatique
US4021027A (en) * 1976-05-17 1977-05-03 Blatt Leland F Power wedge clamp with guided arm
FR2427179A1 (fr) * 1978-05-29 1979-12-28 Cecchi Gerard Perfectionnements aux dispositifs de serrage a commande pneumatique
DE3022376C2 (de) * 1980-06-14 1985-08-01 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Kniehebelspannvorrichtung zum Festspannen von Werkstücken
US4664364A (en) * 1986-08-15 1987-05-12 Ozz Industries, Inc. Proximity switch assembly
FR2618713B3 (fr) * 1987-07-29 1990-03-30 Cecchi Gerard Dispositif de bridage
DE3862562D1 (de) * 1987-10-29 1991-05-29 Sta Co Mettallerzeugnisse Gmbh Spannvorrichtung.
DE8715476U1 (de) * 1987-11-22 1989-03-23 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE8811579U1 (de) * 1988-09-13 1990-01-11 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE8908288U1 (de) * 1989-07-07 1989-09-21 Tünkers, Josef Gerhard, 4030 Ratingen Kniehebelspannvorrichtung für den Karosseriebau
US5201838A (en) * 1989-09-05 1993-04-13 Philippe Roudaut Position indicator for a piston controlled robot part
DE4111430A1 (de) * 1990-04-12 1991-10-17 Volker Schlueter Druckmittelbetaetigte spannvorrichtung
DE9005183U1 (de) * 1990-05-07 1990-07-12 Tünkers, Josef Gerhard, 4030 Ratingen Kniehebelspannvorrichtung
US5072652A (en) * 1990-11-16 1991-12-17 Blatt John A Gripping device having impact cushioning means
DE9016781U1 (de) * 1990-12-12 1992-04-09 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE9215151U1 (de) * 1992-05-14 1993-01-21 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Spannvorrichtung
DE4236670A1 (de) * 1992-10-30 1994-05-05 Sta Co Mettallerzeugnisse Gmbh Klemmspannvorrichtung
DE29504267U1 (de) * 1995-03-13 1995-06-29 Tünkers Maschinenbau GmbH, 40880 Ratingen Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
DE29513586U1 (de) * 1995-08-24 1995-12-07 Tünkers Maschinenbau GmbH, 40880 Ratingen Kniehebelspannvorrichtung für den Karosseriebau

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523565A (en) * 1976-02-13 1978-09-06 Polymatic Sa Locking head
EP0370914A1 (fr) * 1988-11-25 1990-05-30 POLYMATIC Société Anonyme dite: Tête de bridage à rattrapage de jeux
US4905973A (en) * 1989-01-11 1990-03-06 Blatt John A Power operated clamp with externally mounted adjustable clamp arm
US4905973B1 (en) * 1989-01-11 1994-07-05 John A Blatt Power operated clamp with externally mounted adjustable clamp arm
EP0636449A1 (fr) * 1993-07-26 1995-02-01 TÜNKERS MASCHINENBAU GmbH Dispositif de serrage avec levier à genouillère pour la construction en carrosserie
DE19616441C1 (de) * 1996-04-25 1997-06-26 Tuenkers Maschinenbau Gmbh Kniehebelspannvorrichtung für den Karosseriebau

Also Published As

Publication number Publication date
ATE232773T1 (de) 2003-03-15
ES2193458T3 (es) 2003-11-01
DE19751950C1 (de) 1999-03-04
US6076816A (en) 2000-06-20
EP0917932B1 (fr) 2003-02-19
DE59807238D1 (de) 2003-03-27

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