EP0692343A1 - Clamping device - Google Patents

Clamping device Download PDF

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Publication number
EP0692343A1
EP0692343A1 EP95110197A EP95110197A EP0692343A1 EP 0692343 A1 EP0692343 A1 EP 0692343A1 EP 95110197 A EP95110197 A EP 95110197A EP 95110197 A EP95110197 A EP 95110197A EP 0692343 A1 EP0692343 A1 EP 0692343A1
Authority
EP
European Patent Office
Prior art keywords
workpiece support
head piece
clamping arm
clamping
arm
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
EP95110197A
Other languages
German (de)
French (fr)
Other versions
EP0692343B1 (en
Inventor
Peter Schauss
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.)
DESTACO Europe GmbH
Original Assignee
DE STA CO Metallerzeugnisse GmbH
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 DE STA CO Metallerzeugnisse GmbH filed Critical DE STA CO Metallerzeugnisse GmbH
Publication of EP0692343A1 publication Critical patent/EP0692343A1/en
Application granted granted Critical
Publication of EP0692343B1 publication Critical patent/EP0692343B1/en
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
    • B25B5/16—Details, e.g. jaws, jaw attachments
    • B25B5/163—Jaws or jaw attachments
    • 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
    • B25B5/006—Supporting devices for clamps
    • 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 clamping device, consisting of a head piece arranged on an actuating element, on which the clamping arm, which can be pivoted by the actuating element, is arranged and which is provided with at least one lateral mounting hole for the workpiece support and / or the device holder.
  • Such clamping devices are known, for example, from DE-A-25 55 207.
  • the holder recesses on the head piece are provided in the same way as in the other device type, that is, the holding of such devices with a laterally arranged clamping arm takes place transversely to the latter Direction of extension, and there is an offset between the clamping arm or the pressure piece arranged thereon and the workpiece support, or, conversely, the device is thereby subjected to a torque load acting transversely to the clamping arm, which is not the case with the other type.
  • the invention is based on the object, a device of the second type, which thus has a laterally arranged clamping arm, in a simple manner in such a way that largely the same and in this respect optimal load conditions result as in devices of the first type.
  • At least one mounting recess is understood to mean that a corresponding mounting recess can also be provided on the other flank surface parallel to the flank surface, as is usually practiced on such devices in order to take into account the opposite installation arrangements of such devices and corresponding tension arm orientations can.
  • the torque load in the device according to the invention affects only between the clamping arm and the workpiece support or its cold, but not to the central longitudinal plane, which would be the case if the mounting recess would extend transversely to it as previously.
  • the clamping device consists, in a known manner, of a head piece 1 arranged on an actuating element 8, on which the clamping arm 3, which can be pivoted by the actuating element 8, and which has at least one lateral mounting recess 5 with screw holes 4 for the workpiece support 9 and / or the device holder 2 is provided.
  • a pneumatic cylinder serves as the actuating element 8, the push rod of which is coupled in a known manner to the tensioning arm 3 in order to be able to pivot it in the tensioning and opening position with respect to its pivot axis 11.
  • the mounting recess 5 is arranged in the flank surface 6 of the head piece 1, on the side of which the clamping arm 3 is also mounted on an actuating shaft end 7 protruding from the head piece 1 , and that the workpiece support 9 is arranged centrally to the central longitudinal plane E intersecting the clamping arm 3.
  • a mounting recess 5 ' is also provided in the side surface 6' parallel to the side surface 6, and the workpiece support 9 is seated on a device holder 2, as shown, for example.
  • the device holder 2 which can also have a different shape in adaptation to the respective installation location - the same also applies to the pressure piece 10 on the clamping arm 3 and the workpiece support 9 in adaptation to the shape of the workpiece to be held - fits with its extension arm 2 ' the bracket recess 5 and is fixed there with screws in the screw holes 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

The clamping device comprises a holder aperture (5) for the workpiece support (9) which is located in the side surface (6) of the head piece (1). The clamp arm (3) is located on the same side, and is born on the end of a setting shaft (7), which projects from the headpiece. The workpiece support is located centrally relative to the longitudinal centre plane (E), which cuts across the clamp arm. <IMAGE>

Description

Die Erfindung betrifft eine Spannvorrichtung, bestehend aus einem auf einem Betätigungselement angeordneten Kopfstück, an dem, vom Betätigungselement schwenkbar, der Spannarm angeordnet und das mit mindestens einer seitlichen, Verschraubungsbohrungen aufweisenden Halterungsausnehmung für die Werkstücksauflage und/oder den Vorrichtungshalter versehen ist.The invention relates to a clamping device, consisting of a head piece arranged on an actuating element, on which the clamping arm, which can be pivoted by the actuating element, is arranged and which is provided with at least one lateral mounting hole for the workpiece support and / or the device holder.

Derartige Spannvorrichtungen sind bspw. nach der DE-A-25 55 207 bekannt. Für die An- und Zuordnung des Spannarmes zum Kopfstück bestehen zweierlei Bauarten:
Mittige Anordnung des Spannarmes im gabelförmig ausgebildeten Kopfstück (DE-A-30 22 376) oder seitliche Anordnung des Spannarmes am hohl ausgebildeten Kopfstück in einem dort seitlich herausragenden Stellwellenende, dessen Stellwelle mit dem Betätigungselement (in der Regel pneumatischer Betätigungszylinder) in entsprechender Weise gekoppelt ist. Soweit bekannt, sind auch bei letztgenannten Spannvorrichtungen die Halterungsausnehmungen am Kopfstück, sofern überhaupt vorgesehen (siehe DE-A 25 55 207), in gleicher Weise wie bei der anderen Vorrichtungsart vorgesehen, d.h., die Halterung solcher Vorrichtungen mit seitlich angeordnetem Spannarm erfolgt quer zu dessen Erstreckungsrichtung, und es ergibt sich ein Versatz zwischen Spannarm bzw. dem daran angeordneten Druckstück und der Werkstücksauflage, die bzw. umgekehrt die Vorrichtung dadurch einer quer zum Spannarm wirkenden Drehmomentbelastung unterworfen wird, was bei der anderen Bauart nicht der Fall ist.Such clamping devices are known, for example, from DE-A-25 55 207. There are two types for connecting and assigning the clamping arm to the head piece:
Central arrangement of the clamping arm in the fork-shaped headpiece (DE-A-30 22 376) or lateral arrangement of the clamping arm on the hollow headpiece in a laterally protruding actuating shaft end, the actuating shaft of which is correspondingly coupled to the actuating element (usually pneumatic actuating cylinder) . As far as is known, the holder recesses on the head piece, if provided at all (see DE-A 25 55 207), are provided in the same way as in the other device type, that is, the holding of such devices with a laterally arranged clamping arm takes place transversely to the latter Direction of extension, and there is an offset between the clamping arm or the pressure piece arranged thereon and the workpiece support, or, conversely, the device is thereby subjected to a torque load acting transversely to the clamping arm, which is not the case with the other type.

Der Erfindung liegt die Aufgabe Zugrunde, eine Vorrichtung der zweiten Bauart, die also einen seitlich angeordneten Spannarm aufweist, auf einfache Weise derart umzugestalten, daß sich weitestgehend die gleichen und insoweit optimalen Belastungsverhältnisse ergeben, wie bei Vorrichtungen der ersten Art.The invention is based on the object, a device of the second type, which thus has a laterally arranged clamping arm, in a simple manner in such a way that largely the same and in this respect optimal load conditions result as in devices of the first type.

Diese Aufgabe ist mit einer Vorrichtung der gattungsgemäßen Art nach der Erfindung dadurch gelöst, daß die mindestens eine Halterungsausnehmung in der Flankenfläche des Kopfstückes angeordnet ist, auf deren
Seite auch der Spannarm auf einem aus dem Kopfstück herausragenden Stellwellenende gelagert ist, und daß die Werkstücksauflage mittig zur den Spannarm schneidenden Mittellängsebene angeordnet ist.This object is achieved with a device of the generic type according to the invention in that the at least one mounting recess is arranged in the flank surface of the head piece, on the latter
Side also the clamping arm is mounted on an actuating shaft end protruding from the head piece, and that the workpiece support is arranged centrally to the central longitudinal plane intersecting the clamping arm.

Unter "mindestens einer Halterungsausnehmung" ist dabei zu verstehen, daß auch an der zur Flankenfläche parallelen anderen Flankenfläche eine entsprechende Halterungsausnehmung vorgesehen werden kann, wie das in der Regel immer an solchen Vorrichtungen praktiziert wird, um entgegengesetzten Einbauanordnungen solcher Vorrichtungen und entsprechenden Spannarmorientierungen Rechnung tragen zu können."At least one mounting recess" is understood to mean that a corresponding mounting recess can also be provided on the other flank surface parallel to the flank surface, as is usually practiced on such devices in order to take into account the opposite installation arrangements of such devices and corresponding tension arm orientations can.

Die Drehmomentenbelastung wirkt sich bei der erfindungsgemäßen Vorrichtung nur zwischen dem Spannarm und der Werkstücksauflage bzw. deren Kalter aus, aber nicht zur Mittellängsebene, was der Fall wäre, wenn sich die Halterungsausnehmung wie bisher quer dazu erstrecken würde.The torque load in the device according to the invention affects only between the clamping arm and the workpiece support or its cold, but not to the central longitudinal plane, which would be the case if the mounting recess would extend transversely to it as previously.

Die erfindungsgemäße Vorrichtung wird nachfolgend anhand der zeichnerischen Darstellung eines Ausführungsbeispieles näher erläutert.The device according to the invention is explained in more detail below on the basis of the drawing of an exemplary embodiment.

Es zeigt schematisch

Fig. 1
die Vorrichtung in Seitenansicht und
Fig. 2
die Vorrichtung in Ansicht aus Pfeilrichtung A in Fig. 1.
It shows schematically
Fig. 1
the device in side view and
Fig. 2
the device in view from arrow direction A in Fig. 1st

Die Spannvorrichtung besteht in bekannter Weise aus einem auf einem Betätigungselement 8 angeordneten Kopfstück 1, an dem, vom Betätigungselement 8 schwenkbar, der Spannarm 3 angeordnet und das mit mindestens einer seitlichen, Verschraubungsbohrungen 4 aufweisenden Halterungsausnehmung 5 für die Werkstücksauflage 9 und/oder den Vorrichtungshalter 2 versehen ist.The clamping device consists, in a known manner, of a head piece 1 arranged on an actuating element 8, on which the clamping arm 3, which can be pivoted by the actuating element 8, and which has at least one lateral mounting recess 5 with screw holes 4 for the workpiece support 9 and / or the device holder 2 is provided.

Als Betätigungselement 8 dient beim Ausführungsbeispiel ein Pneumatikzylinder, dessen Schubstange in bekannter Weise mit dem Spannarm 3 gekoppelt ist, um diesen bzgl. seiner Schwenkachse 11 in Spann- und Öffnungsstellung schwenken zu können.In the exemplary embodiment, a pneumatic cylinder serves as the actuating element 8, the push rod of which is coupled in a known manner to the tensioning arm 3 in order to be able to pivot it in the tensioning and opening position with respect to its pivot axis 11.

Für eine solche Spannvorrichtung ist nun wesentlich und wie aus den Fig. 1, 2 ersichtlich, daß die Halterungsausnehmung 5 in der Flankenfläche 6 des Kopfstückes 1 angeordnet ist, auf deren Seite auch der Spannarm 3 auf einem aus dem Kopfstück 1 herausragenden Stellwellenende 7 gelagert ist, und daß die Werkstücksauflage 9 mittig zur den Spannarm 3 schneidenden Mittellängsebene E angeordnet ist. Beim Ausführungsbeispiel ist aus den genannten Gründen auch in der zur Flankenfläche 6 parallelen Flankenfläche 6' eine solche Halterungsausnehmung 5' vorgesehen, und die Werkstücksauflage 9 sitzt auf einem Vorrichtungshalter 2, wie bspw. dargestellt.For such a clamping device it is essential and as can be seen from FIGS. 1, 2 that the mounting recess 5 is arranged in the flank surface 6 of the head piece 1, on the side of which the clamping arm 3 is also mounted on an actuating shaft end 7 protruding from the head piece 1 , and that the workpiece support 9 is arranged centrally to the central longitudinal plane E intersecting the clamping arm 3. In the exemplary embodiment, for the reasons mentioned, such a mounting recess 5 'is also provided in the side surface 6' parallel to the side surface 6, and the workpiece support 9 is seated on a device holder 2, as shown, for example.

Der Vorrichtungshalter 2, der in Anpassung an die jeweilige Installationsstelle auch eine andere Form haben kann - gleiches gilt auch für das Druckstück 10 am Spannarm 3 und die Werkstücksauflage 9 in Anpassung an die Form des zu haltenden Werkstückes -, paßt mit seinem Ausleger 2' in die Halterungsausnehmung 5 und ist dort mit Schrauben in den Verschraubungsbohrungen 4 fixiert.The device holder 2, which can also have a different shape in adaptation to the respective installation location - the same also applies to the pressure piece 10 on the clamping arm 3 and the workpiece support 9 in adaptation to the shape of the workpiece to be held - fits with its extension arm 2 ' the bracket recess 5 and is fixed there with screws in the screw holes 4.

Claims (1)

Spannvorrichtung, bestehend aus einem auf einem Betätigungselement (8) angeordneten Kopfstück (1), an dem, vom Betätigungselement (8) schwenkbar, der Spannarm (3) angeordnet und das mit mindestens einer seitlichen, Verschraubungsbohrungen (4) aufweisenden Halterungsausnehmung (5) für die Werkstücksauflage (9) und/oder den Vorrichtungshalter (2) versehen ist,
dadurch gekennzeichnet,
daß die Halterungsausnehmung (5) in der Flankenfläche (6) des Kopfstückes (1) angeordnet ist, auf deren Seite auch der Spannarm (3) auf einem aus dem Kopfstück (1) herausragenden Stellwellenende (7) gelagert ist, und daß die Werkstücksauflage (9) mittig zur den Spannarm (3) schneidenden Mittellängsebene (E) angeordnet ist.Clamping device, consisting of a head piece (1) arranged on an actuating element (8), on which the clamping arm (3) can be pivoted by the actuating element (8) and which has at least one lateral mounting hole (5) with screw holes (4) for the workpiece support (9) and / or the device holder (2) is provided,
characterized,
that the mounting recess (5) is arranged in the flank surface (6) of the head piece (1), on the side of which the clamping arm (3) is mounted on an actuating shaft end (7) protruding from the head piece (1), and that the workpiece support ( 9) is arranged centrally to the central longitudinal plane (E) intersecting the tension arm (3).
EP95110197A 1994-07-13 1995-06-30 Clamping device Expired - Lifetime EP0692343B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9411291U 1994-07-13
DE9411291U DE9411291U1 (en) 1994-07-13 1994-07-13 Jig

Publications (2)

Publication Number Publication Date
EP0692343A1 true EP0692343A1 (en) 1996-01-17
EP0692343B1 EP0692343B1 (en) 1998-09-16

Family

ID=6911054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110197A Expired - Lifetime EP0692343B1 (en) 1994-07-13 1995-06-30 Clamping device

Country Status (4)

Country Link
EP (1) EP0692343B1 (en)
AT (1) ATE171096T1 (en)
DE (2) DE9411291U1 (en)
ES (1) ES2122402T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513131U1 (en) * 1995-08-16 1996-12-12 DE-STA-CO Metallerzeugnisse GmbH, 61449 Steinbach Jig
US5875417A (en) * 1996-11-18 1999-02-23 Isi Norgren Inc. Clamp arm position sensing apparatus
DE69732694T2 (en) * 1997-07-18 2005-12-29 Simpro S.P.A. Sistemi E Macchine Di Produzione System for clamping components, in particular of sheet metal parts to be welded

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555207A1 (en) 1974-12-31 1976-07-08 Carel Fouche Languepin PNEUMATIC CLAMPING DEVICE
DE3022376A1 (en) 1980-06-14 1981-12-24 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt TOGLE LEVER TENSIONER
DE8813366U1 (en) * 1988-10-25 1989-02-09 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Clamping device
US5118088A (en) * 1990-04-30 1992-06-02 Btm Corporation Power clamp
EP0503193A2 (en) * 1991-03-11 1992-09-16 Btm Corporation Sealed power clamp
EP0596808A1 (en) * 1992-11-05 1994-05-11 Martin Breiter Clamping head

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045730Y2 (en) * 1971-10-29 1975-12-24
DE2222686B2 (en) * 1972-05-09 1980-06-12 Tuenkers Maschinenbau Gmbh, 4030 Ratingen Pressure medium-operated toggle lever clamping device, in particular for body parts
DE2813694C2 (en) * 1978-03-30 1981-09-17 Tünkers Maschinenbau GmbH, 4030 Ratingen Pressurized medium-actuated toggle lever clamping device with a double acting clamping cylinder in which a differential piston is guided in a longitudinally displaceable manner
DE3130842A1 (en) * 1981-08-04 1983-02-24 Agfa-Gevaert Ag, 5090 Leverkusen COLOR PHOTOGRAPHIC RECORDING MATERIAL WITH NON-DIFFUSING ELECTRON DONOR PRECURSOR CONNECTIONS
DE3130942A1 (en) * 1981-08-05 1983-04-28 Tünkers Maschinenbau GmbH, 4030 Ratingen PRESSURE-OPERATIONAL TOGLE LEVER TENSIONER WITH ELASTIC SPRING JOINT AND DETACHABLE ARM
US4723767A (en) * 1986-08-08 1988-02-09 De-Sta-Co Division, Dover Resources, Inc. Rotary powered linear actuated clamp
DE4025530A1 (en) * 1990-01-09 1991-07-11 Sta Co Mettallerzeugnisse Gmbh CLAMPING DEVICE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2555207A1 (en) 1974-12-31 1976-07-08 Carel Fouche Languepin PNEUMATIC CLAMPING DEVICE
DE3022376A1 (en) 1980-06-14 1981-12-24 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt TOGLE LEVER TENSIONER
DE8813366U1 (en) * 1988-10-25 1989-02-09 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Clamping device
US5118088A (en) * 1990-04-30 1992-06-02 Btm Corporation Power clamp
EP0503193A2 (en) * 1991-03-11 1992-09-16 Btm Corporation Sealed power clamp
EP0596808A1 (en) * 1992-11-05 1994-05-11 Martin Breiter Clamping head

Also Published As

Publication number Publication date
ES2122402T3 (en) 1998-12-16
DE9411291U1 (en) 1994-11-03
EP0692343B1 (en) 1998-09-16
DE59503589D1 (en) 1998-10-22
ATE171096T1 (en) 1998-10-15

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