EP0243599A2 - Dispositif de serrage utilisant des leviers articulés - Google Patents

Dispositif de serrage utilisant des leviers articulés Download PDF

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Publication number
EP0243599A2
EP0243599A2 EP87102497A EP87102497A EP0243599A2 EP 0243599 A2 EP0243599 A2 EP 0243599A2 EP 87102497 A EP87102497 A EP 87102497A EP 87102497 A EP87102497 A EP 87102497A EP 0243599 A2 EP0243599 A2 EP 0243599A2
Authority
EP
European Patent Office
Prior art keywords
axially adjustable
toggle lever
adjustable part
electric motor
screw spindle
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
EP87102497A
Other languages
German (de)
English (en)
Other versions
EP0243599A3 (en
EP0243599B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0243599A2 publication Critical patent/EP0243599A2/fr
Publication of EP0243599A3 publication Critical patent/EP0243599A3/de
Application granted granted Critical
Publication of EP0243599B1 publication Critical patent/EP0243599B1/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

Definitions

  • the invention relates to a toggle lever clamping device for clamping workpieces, primarily for use in body construction, with an axially adjustable part which can be actuated by the toggle joint.
  • Toggle lever clamping devices are known in particular as manifold embodiments that can be actuated by pressure medium.
  • An advantageous embodiment of this type consists of a housing with a cylinder space for the piston, on the free piston rod guide means for the piston rod and a piston rod bolt are arranged, which is connected via a tab to the toggle joint of a workpiece-clamping angle lever, which is on a pivot bearing mounted in the housing.
  • Guide means for the piston rods consist of the ends of the piston rod bolt and guide grooves arranged in the housing and running in the axial direction of the piston rod for guiding these ends (DE-AS 22 22 686).
  • the invention has for its object to provide a toggle lever tensioning device of the generic type so that the construction is significantly simplified compared to the prior art and the disadvantages of the prior art are avoided.
  • toggle lever tensioning device is also easy to assemble, since no rigid pipes, screw connections, etc. have to be laid, but only flexible cables are used, which are then connected to the tensioner via plugs.
  • the axially adjustable part is replaced by a screw spindle, which can have, for example, a steep thread, in particular a trapezoidal thread or the like, which works in a suitable screw nut which is driven by an electric motor, for example via a hollow shaft, so that in in both axial directions there is a continuous adjustment of the spindle and thus also of the toggle joint.
  • a screw spindle which can have, for example, a steep thread, in particular a trapezoidal thread or the like, which works in a suitable screw nut which is driven by an electric motor, for example via a hollow shaft, so that in in both axial directions there is a continuous adjustment of the spindle and thus also of the toggle joint.
  • the parts themselves cannot come loose, since all parts can have self-locking in all embodiments of the invention. Neither is Escape of "energy” possible, as z. B. with compressed air operated tensioners can not be excluded.
  • Tensioners according to the invention keep the set force unchangeable, so that such tensioners can also be
  • the drive of the electric motor takes place via a gear
  • one of the gears or pinions can be provided with a corresponding thread for the spindle designed as an axially adjustable part.
  • the axially adjustable part is formed by the axis or shaft of a so-called linear motor, in which this axially adjustable part is continuously adjustable in both directions by electro-magnetic means.
  • the reference numeral 1 designates an electric motor with a design which is intended for the respective embodiment and which, in the embodiment according to FIG. 1, has a recess 2 in the axial direction into which a screw spindle 3 which is infinitely adjustable in the direction X or Y can enter. 4 with a mounting or end plate is designated, but also can be omitted.
  • a housing 5 of the toggle lever tensioning device is arranged coaxially to the electric motor 1 and is connected to the electric motor 1 in a manner not shown, for example by screws, firmly but releasably.
  • the housing 5 has in the end region to the electric motor 1 a radial extension 6, in which a threaded nut 7 is arranged, the thread of which matches the thread of the screw spindle 3.
  • The. Thread nut 7 is connected to a hollow shaft 8 of the electric motor 1.
  • the hollow shaft 8 thus has the recess 2 for the entry of the screw spindle 3.
  • the screw spindle 3 is screwed into the screw or threaded nut 7 in at least several threads in every possible position of the parts during operation, but also protrudes from the threaded or screw nut by a considerable length in the clamping position shown in FIG. 1 7 into the recess 2 of the hollow shaft 8.
  • the parts to be tensioned are not shown in the drawing. 1 and 3 are spaces between one Clamping jaw 9 and an abutment 10 are shown, which of course do not need to be present in practice or not in this size.
  • the clamping jaw 9 is arranged to be pivotable in the direction A or B via a clamping part 11 and a pivot axis 12 which is fixedly arranged on the housing 5.
  • a connecting bracket 14 is coupled to the tensioning part 11 via a pivot axis 13, and is connected at its end part facing away from the pivot axis 13 via a bolt 15 so as to be pivotable with a part 16 which is coupled to the screw spindle 3.
  • the pivot axis 15 is mounted in part 3.
  • the screw spindle 3 engages with a length section in the part 16 and can be screwed into the part 16, for example.
  • a roller 17 or 18 is mounted, each in a groove or longitudinal guide 19 or 20 of the housing 5 parallel to the longitudinal axis of the screw spindle 3 and thus also parallel to the longitudinal axis of the housing 5, i.e. in the direction X or Y, are guided with low friction.
  • the rollers 17 and 18 can also be ball bearings on the ends of the bolt 15 are arranged and their outer housing roll in the grooves 19 or 20 or the like. Otherwise, the training and leadership can be made as in DE-AS 22 22 686.
  • the hollow shaft 8 is driven in a certain direction, as a result of which the threaded nut 7 is moved in the corresponding direction of rotation, which results in a corresponding longitudinal displacement of the screw spindle 3, for example in the X direction, so that, for. B. pivots the jaw 9 in direction B, so it opens.
  • an electric motor 1 drives a pinion 22 via a shaft 21, which meshes with a toothed wheel 23, which has teeth on the inside - at 24 - which interacts with the screw spindle 3 and thereby, depending on the direction of rotation of the electric motor 1, the screw spindle 3 in the direction X or axially moved in the Y direction.
  • This can also be a worm gear.
  • the electric motor 1 is replaced here by a linear motor 25 which drives a rod 26 in the X or Y direction and thereby pivots the jaw 9 in the A or B direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Road Paving Machines (AREA)
EP19870102497 1986-04-23 1987-02-21 Dispositif de serrage utilisant des leviers articulés Expired - Lifetime EP0243599B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863613644 DE3613644A1 (de) 1986-04-23 1986-04-23 Kraftangetriebene kniehebelspannvorrichtung
DE3613644 1986-04-23

Publications (3)

Publication Number Publication Date
EP0243599A2 true EP0243599A2 (fr) 1987-11-04
EP0243599A3 EP0243599A3 (en) 1989-08-02
EP0243599B1 EP0243599B1 (fr) 1992-01-15

Family

ID=6299282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870102497 Expired - Lifetime EP0243599B1 (fr) 1986-04-23 1987-02-21 Dispositif de serrage utilisant des leviers articulés

Country Status (4)

Country Link
EP (1) EP0243599B1 (fr)
JP (1) JPS62271680A (fr)
DE (1) DE3613644A1 (fr)
ES (1) ES2027975T3 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255853A2 (fr) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Serre-joints actionné linéairement à entraînement rotatif
FR2776858A1 (fr) * 1998-03-27 1999-10-01 Genus Technologies Dispositif de maintien, de positionnement, ou de serrage, a actionnement electrique
EP0982099A2 (fr) * 1998-08-26 2000-03-01 ISI Norgren Inc. Dispositif motorisé de serrage
EP1088623A2 (fr) * 1999-10-01 2001-04-04 SMC Kabushiki Kaisha Dispositif de serrage électrique
EP1123779A1 (fr) * 2000-02-11 2001-08-16 Genus Technologies Dispositif de centrage et de serrage, notamment de pièces pour carrosserie automobile
EP1149665A2 (fr) * 2000-04-28 2001-10-31 SMC Kabushiki Kaisha Dispositif de serrage électrique
EP1201370A2 (fr) * 2000-10-23 2002-05-02 DE-STA-CO Metallerzeugnisse GmbH Dispositif de serrage de pièces à usiner à actionnement électrique
WO2003011528A1 (fr) * 2001-07-25 2003-02-13 Tünkers Maschinenbau Gmbh Dispositif de serrage a genouillere
WO2003086711A1 (fr) * 2002-04-15 2003-10-23 Tox Pressotechnik Gmbh & Co. Kg Dispositif de serrage
US6726194B2 (en) 2001-11-05 2004-04-27 Luciano Migliori Electrically-operated clamping device
EP2452761A3 (fr) * 2010-11-16 2012-06-20 Btm Corporation Pince de rivet
DE102012103921A1 (de) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh Spannvorrichtung

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019936A1 (de) * 1990-06-22 1992-02-13 Airbus Gmbh Vorrichtung zur hoehenverstellung einer spanneinrichtung
DE19930990C1 (de) * 1999-07-05 2000-12-28 Tuenkers Maschinenbau Gmbh Kraftangetriebene Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
DE19931723C1 (de) * 1999-07-08 2000-09-21 Tuenkers Maschinenbau Gmbh Kraftangetriebene Kniehebelspannvorrichtung zur Verwendung im Karosseriebau der Kfz-Industrie
DE19942390A1 (de) * 1999-09-06 2001-08-16 Tuenkers Maschinenbau Gmbh Kniehebelschweisszange zur Verwendung im Karosseriebau
DE10052857A1 (de) * 2000-10-24 2002-05-02 Sta Co Mettallerzeugnisse Gmbh Elektromotorisch betätigbare Werkstückspannvorrichtung
DE10159874C1 (de) * 2001-12-06 2003-02-27 Tuenkers Maschinenbau Gmbh Werkzeug
DE202008013025U1 (de) 2007-10-04 2009-01-08 De-Sta-Co Europe Gmbh Schwenkspannvorrichtung
DE102012006866B4 (de) 2012-04-04 2018-05-09 Tünkers Maschinenbau Gmbh Kraftangetriebene Kniehebelspannvorrichtung
DE102018206839A1 (de) * 2018-05-03 2019-04-04 Thyssenkrupp Ag Vorrichtung zum Einspannen eines Formteils

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB611873A (en) * 1946-05-11 1948-11-04 Harold Jackson Improvements relating to electro-magnetic clamps, vices and the like
DE2117550A1 (de) * 1971-04-10 1972-10-19 Kyoritsu Mfg. Co. Ltd., Osaka (Japan) Schraubstock
US4137784A (en) * 1977-11-14 1979-02-06 Industrial Device Corporation Electromechanical equivalent of fluid powered cylinder
DE2739150A1 (de) * 1977-08-31 1979-03-15 Betzing Ullrich Stellgeraet, vorzugsweise als wagenheber
DD138643A1 (de) * 1978-09-05 1979-11-14 Gerd Ziemann Elektromechanisch betaetigte haltevorrichtung
DE2222686B2 (de) * 1972-05-09 1980-06-12 Tuenkers Maschinenbau Gmbh, 4030 Ratingen Druckmittelbetatigte Kniehebelspannvorrichtung, insbesondere für Karosserieteile
DE3638526C1 (de) * 1986-11-11 1987-07-30 Sta Co Mettallerzeugnisse Gmbh Elektromotorisch antreibbare Werkstueckspannvorrichtung
EP0255853A2 (fr) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Serre-joints actionné linéairement à entraînement rotatif

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1324851A (en) * 1919-12-16 Ginia
US2390022A (en) * 1944-07-15 1945-11-27 Sterling A Wood Hold-down clamp
NL7217620A (fr) * 1972-12-22 1974-06-25
JPS5257518U (fr) * 1975-10-24 1977-04-26
JPS53101784A (en) * 1977-02-17 1978-09-05 Sankyo Seiki Seisakusho Kk Pinching pressure mechanism
DE3130942A1 (de) * 1981-08-05 1983-04-28 Tünkers Maschinenbau GmbH, 4030 Ratingen Druckmittelbetaetigbare kniehebelspannvorrichtung mit elastischem federgelenk und loesbar befestigtem spannarm

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB611873A (en) * 1946-05-11 1948-11-04 Harold Jackson Improvements relating to electro-magnetic clamps, vices and the like
DE2117550A1 (de) * 1971-04-10 1972-10-19 Kyoritsu Mfg. Co. Ltd., Osaka (Japan) Schraubstock
DE2222686B2 (de) * 1972-05-09 1980-06-12 Tuenkers Maschinenbau Gmbh, 4030 Ratingen Druckmittelbetatigte Kniehebelspannvorrichtung, insbesondere für Karosserieteile
DE2739150A1 (de) * 1977-08-31 1979-03-15 Betzing Ullrich Stellgeraet, vorzugsweise als wagenheber
US4137784A (en) * 1977-11-14 1979-02-06 Industrial Device Corporation Electromechanical equivalent of fluid powered cylinder
DD138643A1 (de) * 1978-09-05 1979-11-14 Gerd Ziemann Elektromechanisch betaetigte haltevorrichtung
EP0255853A2 (fr) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Serre-joints actionné linéairement à entraînement rotatif
DE3638526C1 (de) * 1986-11-11 1987-07-30 Sta Co Mettallerzeugnisse Gmbh Elektromotorisch antreibbare Werkstueckspannvorrichtung

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255853A3 (en) * 1986-08-08 1989-08-16 Dover Corporation, De-Sta-Co Division Rotary powered linear actuated clamp
EP0255853A2 (fr) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Serre-joints actionné linéairement à entraînement rotatif
FR2776858A1 (fr) * 1998-03-27 1999-10-01 Genus Technologies Dispositif de maintien, de positionnement, ou de serrage, a actionnement electrique
WO1999050944A1 (fr) * 1998-03-27 1999-10-07 Genus Technologies Dispositif de maintien, de positionnement ou de serrage
US6456026B1 (en) 1998-03-27 2002-09-24 Genus Technologies Maintaining, positioning or clamping device
EP0982099A2 (fr) * 1998-08-26 2000-03-01 ISI Norgren Inc. Dispositif motorisé de serrage
EP0982099A3 (fr) * 1998-08-26 2002-05-02 Norgren Automotive Inc. Dispositif motorisé de serrage
EP1088623A3 (fr) * 1999-10-01 2002-04-10 SMC Kabushiki Kaisha Dispositif de serrage électrique
EP1088623A2 (fr) * 1999-10-01 2001-04-04 SMC Kabushiki Kaisha Dispositif de serrage électrique
US6354580B1 (en) 1999-10-01 2002-03-12 Smc Kabushiki Kaisha Electric clamp apparatus
EP1123779A1 (fr) * 2000-02-11 2001-08-16 Genus Technologies Dispositif de centrage et de serrage, notamment de pièces pour carrosserie automobile
FR2804929A1 (fr) * 2000-02-11 2001-08-17 Genus Technologies Dispositif de centrage et de serrage, notamment de pieces pour carrosserie automobile
US6695359B2 (en) 2000-02-11 2004-02-24 Genus Technologies Device for centering and gripping, particularly for pieces of automobile body work
EP1149665A3 (fr) * 2000-04-28 2002-04-10 SMC Kabushiki Kaisha Dispositif de serrage électrique
EP1149665A2 (fr) * 2000-04-28 2001-10-31 SMC Kabushiki Kaisha Dispositif de serrage électrique
US6471199B2 (en) 2000-04-28 2002-10-29 Smc Kabushiki Kaisha Electric clamp apparatus
EP1201370A2 (fr) * 2000-10-23 2002-05-02 DE-STA-CO Metallerzeugnisse GmbH Dispositif de serrage de pièces à usiner à actionnement électrique
EP1201370A3 (fr) * 2000-10-23 2004-03-10 DE-STA-CO Metallerzeugnisse GmbH Dispositif de serrage de pièces à usiner à actionnement électrique
WO2003011528A1 (fr) * 2001-07-25 2003-02-13 Tünkers Maschinenbau Gmbh Dispositif de serrage a genouillere
US7066459B2 (en) 2001-07-25 2006-06-27 Tunkers Maschinenbau Gmbh Toggle clamping device
US6726194B2 (en) 2001-11-05 2004-04-27 Luciano Migliori Electrically-operated clamping device
WO2003086711A1 (fr) * 2002-04-15 2003-10-23 Tox Pressotechnik Gmbh & Co. Kg Dispositif de serrage
EP2452761A3 (fr) * 2010-11-16 2012-06-20 Btm Corporation Pince de rivet
US9421599B2 (en) 2010-11-16 2016-08-23 Btm Company Llc Clinch clamp
DE102012103921A1 (de) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh Spannvorrichtung

Also Published As

Publication number Publication date
JPS62271680A (ja) 1987-11-25
EP0243599A3 (en) 1989-08-02
DE3613644A1 (de) 1987-10-29
DE3613644C2 (fr) 1988-01-28
ES2027975T3 (es) 1992-07-01
EP0243599B1 (fr) 1992-01-15

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