EP1607183B1 - Vice - Google Patents

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Publication number
EP1607183B1
EP1607183B1 EP05001874A EP05001874A EP1607183B1 EP 1607183 B1 EP1607183 B1 EP 1607183B1 EP 05001874 A EP05001874 A EP 05001874A EP 05001874 A EP05001874 A EP 05001874A EP 1607183 B1 EP1607183 B1 EP 1607183B1
Authority
EP
European Patent Office
Prior art keywords
clamping
base element
jaw
bearing housing
clamping jaws
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.)
Not-in-force
Application number
EP05001874A
Other languages
German (de)
French (fr)
Other versions
EP1607183A3 (en
EP1607183A2 (en
Inventor
Friedrich Kurz
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.)
Schunk GmbH and Co KG
Original Assignee
Schunk GmbH and Co 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 Schunk GmbH and Co KG filed Critical Schunk GmbH and Co KG
Priority to SI200530235T priority Critical patent/SI1607183T1/en
Priority to PL05001874T priority patent/PL1607183T3/en
Publication of EP1607183A2 publication Critical patent/EP1607183A2/en
Publication of EP1607183A3 publication Critical patent/EP1607183A3/en
Application granted granted Critical
Publication of EP1607183B1 publication Critical patent/EP1607183B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2405—Construction of the jaws
    • B25B1/2478—Construction of the jaws with more than one pair of jaws
    • 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
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • 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
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/103—Arrangements for positively actuating jaws using screws with one screw perpendicular to the jaw faces, e.g. a differential or telescopic screw

Definitions

  • the present invention relates to a clamping device having a base body, two clamping jaws, which are arranged opposite to each other on the base body and guided along a common axis towards and away from each other adjustable, a fixed between the jaws on the body center jaw, and an actuator for adjusting the Clamping jaws with an adjusting spindle having at its axial end portions external thread portions of opposite pitch, which are screwed into the clamping jaws, and which is rotatably supported at its lying between the male thread portions central region in a bearing housing, which is adjustably guided in the body coaxially with the clamping jaws.
  • Clamping devices of this type are known and are used in practice to fix components, for example on a machine table o. The like.
  • the known clamping devices are usually designed in the manner of a vise and comprise two clamping jaws, by the rotation of a spindle can be adjusted to each other or away from each other to clamp a component between them (Zentrischspanner).
  • clamping devices are also known in which a center jaw is provided between the clamping jaws in order to simultaneously clamp two components (double clamps).
  • Double clamps There are also clamping devices in which only one jaw is adjustable and clamped against a fixed jaw. All three types of clamping devices are needed in practice.
  • the EP 0 742 081 A discloses a universal clamping device, which can be used either as a double clamp, as a centric clamp or clamp with a fixed jaw.
  • the invention has the object, a clamping device of the type mentioned in such a way that it can be retrofitted with little effort and thus can be used for different clamping types.
  • the bearing housing and / or at least one clamping jaw can be fixed to the body to prevent relative movement of the bearing housing and / or the at least one clamping jaw relative to the base body, and that the center jaw releasably attached to the body is.
  • the invention is thus based on the idea of reshaping a conventional double clamp so that it can be used simultaneously as a centric clamp or as a clamp with a fixed clamping jaw.
  • locking devices are provided according to the invention, via which either a clamping jaw or the bearing housing can be firmly connected to the main body, so that a relative movement is no longer possible.
  • the clamping device according to the invention (with removed center jaw) works as a tensioner with a fixed jaw.
  • the bearing housing can be fixed at a predetermined position, so that the clamping jaws centrically clamp a component with removed center jaw, the clamping device thus works as a centric clamp.
  • the clamping device according to the invention can be converted in a simple manner to be used as a double clamp, Zentrischspanner or as a tensioner with a fixed jaw.
  • three different clamping devices are combined in the clamping device according to the invention.
  • the clamping device 1 is basically formed in the manner of a vise and includes two clamping jaws 2, 3, which are arranged opposite each other on a base body 4 and guided along a common axis towards and away from each other adjustable.
  • the clamping jaws 2, 3 are formed in two parts and each consist of a Grundbakkenelement 2a, 3a, which is slidably inserted into the base body 4, and one at the top of the Base jaw element 2a, 3a screwed-Aufsatzbakkenelement 2b, 3b.
  • the base body 4 has a substantially U-shaped, open to the main body top cross-section, in which the base jaw elements 2a, 3a are used.
  • the base jaw elements 2a, 3a are connected to each other in a conventional manner by an actuator so that they can be moved toward and away from each other to clamp a component or to solve.
  • this actuator includes an adjusting spindle 5, which is rotatably mounted in its central region 5a in a bearing housing 6.
  • the adjusting spindle 5 has externally threaded portions 5b, 5c, which are screwed into a respective base jaw element 2a, 3a, wherein the two externally threaded portions 5b, 5c opposite pitches, so that a rotation of the adjusting spindle 5 in one direction leads to that the clamping jaws 2, 3 are moved towards each other, and a rotation in the opposite direction causes the clamping jaws 2, 3 are moved away from each other.
  • the adjusting spindle 5 is held clamped on the bearing housing 6 via two plate spring assemblies 7, 8, which are arranged on opposite sides of an inwardly directed web 6a of the bearing housing 6 and between the web 6a on the one hand and a flange 9 of the adjusting spindle 5 or screwed onto the right threaded portion 5c Support clamping nut 10.
  • the arrangement is made such that the adjusting spindle 5 can be moved axially relative to the bearing housing 6, however, an axial clearance between the two components by the biasing force of the plate spring assemblies 7, 8 is prevented. In this case, the original orientation can be changed by the clamping screw 10 is adjusted accordingly.
  • a flange 12 is mounted, which limits the adjustment of the right clamping jaw 3 to the outside.
  • the right-hand end of the adjusting spindle 5 is designed as a hexagonal head 13, on which a key can be placed in order to actuate the adjusting spindle 5.
  • FIGS. 1 to 3 The embodiment shown is at the top of the body 4 approximately centrally between the two top jaw elements 2b, 3b, a center jaw 14 is screwed together, each cooperating with a top jaw 2b, 3b to simultaneously clamp two components on corresponding bearing surfaces of the center jaws 14 on the one hand and the On top baking elements 2b, 3b are positioned on the other hand.
  • the clamping jaws 2, 3 are moved towards each other by rotating the adjusting spindle 5, whereby a uniform clamping of both components is ensured by the possible relative movement between the adjusting spindle 5 and the bearing housing 6.
  • the clamping device 1 such that a component between the two clamping jaws 2, 3 can be clamped centric.
  • the central jaw 14 is first removed by loosening the fastening screws of the base body 4 (see FIG. 4 ).
  • the bearing housing 6 is secured to the base body 4 against axial movement.
  • corresponding through holes 15, 16, 17 are formed in the U-legs of the base body 4 on the one hand and the bearing housing 6, in which a bolt o. The like. Can be inserted to connect the bearing housing 6 fixed to the base body 4, so that between the two components no relative movement can take place.
  • the clamping device 1 so that a component can be clamped against the left clamping jaw 2 as a fixed jaw.
  • an existing connection between the base body 4 and the bearing housing 6 is released again, so that the bearing housing 6 can be moved axially in the base body 4.
  • the base jaw element 2a of the left clamping jaw 2 is firmly connected to the main body 4, so that the clamping jaw 2 relative to the base body 4 can not be adjusted.
  • likewise mutually corresponding through holes 18, 19 are formed in the legs of the base body 4 and in the base jaw element 2a, into which a bolt can be inserted in order to establish a connection between the components 2, 4. If such a firm connection is established by inserting the bolt, only the right clamping jaw 3 is moved by an actuation of the adjusting spindle 5.
  • the clamping device according to the invention can be converted in a simple manner to be used as a double clamp, Zentrischspanner or as a tensioner with a fixed jaw.
  • three different clamping devices are combined in the clamping device according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Jigs For Machine Tools (AREA)
  • Clamps And Clips (AREA)

Abstract

A vise has a movable clamp block (4) to hold a work piece. The clamp block further incorporates two movable side-clamps (2, 3) resting on a common axis that may be shifted as required towards or away from each other by spindle action. The clamp further incorporates a movable mid-section that is fixed with respect to one of the side clamps (2, 3).

Description

Die vorliegende Erfindung betrifft eine Spanneinrichtung mit einem Grundkörper, zwei Spannbacken, die einander gegenüberliegend an dem Grundkörper angeordnet und entlang einer gemeinsamen Achse aufeinander zu und voneinander weg verstellbar geführt sind, einer zwischen den Spannbacken an dem Grundkörper fixierten Mittelbacke, und einem Stellantrieb zum Verstellen der Spannbacken mit einer Stellspindel, die an ihren axialen Endbereichen Außengewindeabschnitte gegensätzlicher Steigung aufweist, welche in die Spannbacken eingeschraubt sind, und die an ihrem zwischen den Außengewindeabschnitten gelegenen Mittelbereich drehbar in einem Lagergehäuse gehalten ist, welches in dem Grundkörper koaxial zu den Spannbacken verstellbar geführt ist.The present invention relates to a clamping device having a base body, two clamping jaws, which are arranged opposite to each other on the base body and guided along a common axis towards and away from each other adjustable, a fixed between the jaws on the body center jaw, and an actuator for adjusting the Clamping jaws with an adjusting spindle having at its axial end portions external thread portions of opposite pitch, which are screwed into the clamping jaws, and which is rotatably supported at its lying between the male thread portions central region in a bearing housing, which is adjustably guided in the body coaxially with the clamping jaws.

Spanneinrichtungen dieser Art sind bekannt und werden in der Praxis verwendet, um Bauteile beispielsweise an einem Maschinentisch o. dgl. für einen Bearbeitungsvorgang zu fixieren. Die bekannten Spanneinrichtungen sind üblicherweise nach Art eines Schraubstocks ausgebildet und umfassen zwei Spannbacken, die durch die Drehung einer Spindel auf einander zu oder voneinander weg verstellbar sind, um ein Bauteil zwischen sich zu spannen (Zentrischspanner). Alternativ sind auch Spanneinrichtungen bekannt, bei denen zwischen den Spannbacken eine Mittelbacke vorgesehen ist, um gleichzeitig zwei Bauteile zu spannen (Doppelspanner). Auch gibt es Spanneinrichtungen, bei denen nur eine Spannbacke verstellbar ist und gegen eine feste Spannbacke spannt. Alle drei Typen von Spanneinrichtungen werden in der Praxis benötigt.Clamping devices of this type are known and are used in practice to fix components, for example on a machine table o. The like. For a machining operation. The known clamping devices are usually designed in the manner of a vise and comprise two clamping jaws, by the rotation of a spindle can be adjusted to each other or away from each other to clamp a component between them (Zentrischspanner). Alternatively, clamping devices are also known in which a center jaw is provided between the clamping jaws in order to simultaneously clamp two components (double clamps). There are also clamping devices in which only one jaw is adjustable and clamped against a fixed jaw. All three types of clamping devices are needed in practice.

Die EP 0 742 081 A offenbart eine universelle Spanneinrichtung, welche wahlweise als Doppelspanner, als Zentrischspanner oder Spanner mit einer festen Backe eingesetzt werden kann.The EP 0 742 081 A discloses a universal clamping device, which can be used either as a double clamp, as a centric clamp or clamp with a fixed jaw.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine Spanneinrichtung der eingangs genannten Art so auszubilden, daß sie mit geringem Aufwand umgerüstet werden kann und somit für verschiedene Spannarten einsetzbar ist.Against this background, the invention has the object, a clamping device of the type mentioned in such a way that it can be retrofitted with little effort and thus can be used for different clamping types.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß das Lagergehäuse und/oder wenigstens eine Spannbacke an dem Grundkörper fixiert werden kann, um eine Relativbewegung des Lagergehäuse und/oder der wenigstens einen Spannbacke gegenüber dem Grundkörper zu verhindern, und daß die Mittelbacke an dem Grundkörper lösbar angebracht ist. Der Erfindung liegt damit die Überlegung zugrunde, einen herkömmlichen Doppelspanner so umzugestalten, daß er gleichzeitig als Zentrischspanner oder als Spanner mit einer festen Spannbacke eingesetzt werden kann. Hierzu sind erfindungsgemäß Feststelleinrichtungen vorgesehen, über welche wahlweise eine Spannbacke oder das Lagergehäuse mit dem Grundkörper fest verbunden werden kann, so daß eine Relativbewegung nicht mehr möglich ist. Wird beispielsweise eine Spannbacke an einem Grundkörper fixiert, so ist nur noch die andere Spannbacke bewegbar mit dem Ergebnis, daß die erfindungsgemäße Spanneinrichtung (bei abgenommener Mittelbacke) als ein Spanner mit einer festen Spannbacke arbeitet. Alternativ dazu kann auch das Lagergehäuse an einer vorgegebenen Position fixiert werden, so daß die Spannbacken bei abgenommener Mittelbacke ein Bauteil zentrisch spannen, die Spanneinrichtung also als Zentrischspanner arbeitet.This object is achieved in that the bearing housing and / or at least one clamping jaw can be fixed to the body to prevent relative movement of the bearing housing and / or the at least one clamping jaw relative to the base body, and that the center jaw releasably attached to the body is. The invention is thus based on the idea of reshaping a conventional double clamp so that it can be used simultaneously as a centric clamp or as a clamp with a fixed clamping jaw. For this purpose, locking devices are provided according to the invention, via which either a clamping jaw or the bearing housing can be firmly connected to the main body, so that a relative movement is no longer possible. For example a jaw fixed to a body, so only the other jaw is movable with the result that the clamping device according to the invention (with removed center jaw) works as a tensioner with a fixed jaw. Alternatively, the bearing housing can be fixed at a predetermined position, so that the clamping jaws centrically clamp a component with removed center jaw, the clamping device thus works as a centric clamp.

Beispielsweise ist es möglich, in dem Grundkörper und einer Spannbacke zueinander korrespondierende Bohrungen auszubilden, in die ein Bolzen eingeschoben werden kann, um die Spannbacke an dem Grundkörper zu fixieren. In gleicher Weise können in dem Grundkörper und dem Lagergehäuse zueinander korrespondierende Bohrungen ausgebildet sein, in welche dann ein Bolzen o. dgl. eingeschoben werden kann, um das Lagergehäuse an dem Grundkörper zu fixieren.For example, it is possible to form mutually corresponding bores in the base body and a clamping jaw, into which a bolt can be inserted in order to fix the clamping jaw to the base body. In the same way, mutually corresponding holes may be formed in the base body and the bearing housing, in which then a bolt o. The like. Can be inserted to fix the bearing housing to the body.

Im Ergebnis läßt sich die erfindungsgemäße Spanneinrichtung in einfacher Weise umrüsten, um als Doppelspanner, Zentrischspanner oder als Spanner mit einer festen Spannbacke eingesetzt zu werden. So werden drei verschiedene Spanneinrichtungen in der erfindungsgemäßen Spanneinrichtung vereint.As a result, the clamping device according to the invention can be converted in a simple manner to be used as a double clamp, Zentrischspanner or as a tensioner with a fixed jaw. Thus, three different clamping devices are combined in the clamping device according to the invention.

Hinsichtlich weiterer vorteilhafter Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die nachfolgende Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegende Zeichnung verwiesen. In der Zeichnung zeigt:

Figur 1
eine Spanneinrichtung gemäß der vorliegenden Erfindung, welche zum gleichzeitigen Spannen von zwei Bauteilen gerüstet ist,
Figur 2
die Spanneinrichtung aus Figur 1 im Längsschnitt,
Figur 3
die Spanneinrichtung aus Figur 1 im Querschnitt und
Figur 4
eine der Figur 2 entsprechende Längsschnittansicht der Spanneinrichtung mit abgenommener Mittelbacke.
With regard to further advantageous embodiments of the invention is to the dependent claims and the following description of an embodiment with reference refer to the attached drawing. In the drawing shows:
FIG. 1
a tensioning device according to the present invention, which is equipped for the simultaneous tensioning of two components,
FIG. 2
the clamping device off FIG. 1 in longitudinal section,
FIG. 3
the clamping device off FIG. 1 in cross-section and
FIG. 4
one of the FIG. 2 corresponding longitudinal sectional view of the clamping device with removed center jaw.

In der Zeichnung ist eine Ausführungsform einer Spanneinrichtung gemäß der vorliegenden Erfindung dargestellt, die dazu dient, Bauteile an einem Maschinentisch o. dgl. zur Bearbeitung zu fixieren. Die Spanneinrichtung 1 ist grundsätzlich nach Art eines Schraubstocks ausgebildet und umfaßt zwei Spannbacken 2, 3, die einander gegenüberliegend an einem Grundkörper 4 angeordnet und entlang einer gemeinsamen Achse aufeinander zu und voneinander weg verstellbar geführt sind. Wie insbesondere die Figur 2 gut erkennen läßt, sind die Spannbacken 2, 3 zweiteilig ausgebildet und bestehen jeweils aus einem Grundbakkenelement 2a, 3a, welches in den Grundkörper 4 verschiebbar eingesetzt ist, und einem an der Oberseite des Grundbackenelements 2a, 3a festgeschraubten Aufsatzbakkenelement 2b, 3b. In der dargestellten Ausführungsform besitzt der Grundkörper 4 einen im wesentlichen U-förmigen, zur Grundkörperoberseite offenen Querschnitt, in den die Grundbackenelemente 2a, 3a eingesetzt sind.In the drawing, an embodiment of a clamping device according to the present invention is shown, which serves to fix components on a machine table o. The like. For processing. The clamping device 1 is basically formed in the manner of a vise and includes two clamping jaws 2, 3, which are arranged opposite each other on a base body 4 and guided along a common axis towards and away from each other adjustable. How the particular FIG. 2 can be clearly seen, the clamping jaws 2, 3 are formed in two parts and each consist of a Grundbakkenelement 2a, 3a, which is slidably inserted into the base body 4, and one at the top of the Base jaw element 2a, 3a screwed-Aufsatzbakkenelement 2b, 3b. In the illustrated embodiment, the base body 4 has a substantially U-shaped, open to the main body top cross-section, in which the base jaw elements 2a, 3a are used.

Die Grundbackenelemente 2a, 3a sind in an sich bekannter Weise durch einen Stellantrieb derart miteinander verbunden, daß sie gemeinsam aufeinander zu bzw. voneinander weg bewegt werden können, um ein Bauteil zu spannen bzw. zu lösen. Zu diesem Stellantrieb gehört eine Stellspindel 5, die in ihrem Mittelbereich 5a in einem Lagergehäuse 6 drehbar gelagert ist. An ihren axialen Endbereichen weist die Stellspindel 5 Außengewindeabschnitte 5b, 5c auf, die in jeweils ein Grundbackenelement 2a, 3a eingeschraubt sind, wobei die beiden Außengewindeabschnitte 5b, 5c entgegengesetzte Steigungen besitzen, so daß eine Drehung der Stellspindel 5 in der einen Richtung dazu führt, daß die Spannbacken 2, 3 aufeinander zu bewegt werden, und eine Drehung in der entgegengesetzten Richtung dazu führt, daß die Spannbacken 2, 3 voneinander weg bewegt werden.The base jaw elements 2a, 3a are connected to each other in a conventional manner by an actuator so that they can be moved toward and away from each other to clamp a component or to solve. For this actuator includes an adjusting spindle 5, which is rotatably mounted in its central region 5a in a bearing housing 6. At its axial end portions, the adjusting spindle 5 has externally threaded portions 5b, 5c, which are screwed into a respective base jaw element 2a, 3a, wherein the two externally threaded portions 5b, 5c opposite pitches, so that a rotation of the adjusting spindle 5 in one direction leads to that the clamping jaws 2, 3 are moved towards each other, and a rotation in the opposite direction causes the clamping jaws 2, 3 are moved away from each other.

Wie in der Figur 2 gut erkennbar ist, ist die Stellspindel 5 an dem Lagergehäuse 6 über zwei Tellerfederpakete 7, 8 verspannt gehalten, die auf gegenüberliegenden Seiten von einem nach innen gerichteten Steg 6a des Lagergehäuses 6 angeordnet sind und sich zwischen dem Steg 6a einerseits und einem Flansch 9 der Stellspindel 5 bzw. einer auf den rechten Gewindeabschnitt 5c aufgeschraubten Spannmutter 10 abstützen. Die Anordnung ist dabei so getroffen, daß die Stellspindel 5 gegenüber dem Lagergehäuse 6 axial bewegt werden kann, jedoch ein axiales Spiel zwischen den beiden Bauteilen durch die Vorspannkraft der Tellerfederpakete 7, 8 verhindert wird. Dabei kann die ursprüngliche Ausrichtung verändert werden, indem die Spannschraube 10 entsprechend justiert wird.Like in the FIG. 2 can be clearly seen, the adjusting spindle 5 is held clamped on the bearing housing 6 via two plate spring assemblies 7, 8, which are arranged on opposite sides of an inwardly directed web 6a of the bearing housing 6 and between the web 6a on the one hand and a flange 9 of the adjusting spindle 5 or screwed onto the right threaded portion 5c Support clamping nut 10. The arrangement is made such that the adjusting spindle 5 can be moved axially relative to the bearing housing 6, however, an axial clearance between the two components by the biasing force of the plate spring assemblies 7, 8 is prevented. In this case, the original orientation can be changed by the clamping screw 10 is adjusted accordingly.

Am rechten Ende der Stellspindel 5 ist ein Flanschelement 12 angebracht, das den Verstellweg der rechten Spannbacke 3 nach außen hin begrenzt. Im übrigen ist das rechtsseitige Ende der Stellspindel 5 als Sechskantkopf 13 ausgebildet, auf welchen ein Schlüssel aufgesetzt werden kann, um die Stellspindel 5 zu betätigen.At the right end of the adjusting spindle 5, a flange 12 is mounted, which limits the adjustment of the right clamping jaw 3 to the outside. Moreover, the right-hand end of the adjusting spindle 5 is designed as a hexagonal head 13, on which a key can be placed in order to actuate the adjusting spindle 5.

Bei der in den Figuren 1 bis 3 dargestellten Ausführungsform ist an der Oberseite des Grundkörpers 4 etwa mittig zwischen den beiden Aufsatzbackenelementen 2b, 3b eine Mittelbacke 14 festgeschraubt, die jeweils mit einem Aufsatzbackenelement 2b, 3b zusammenwirkt, um gleichzeitig zwei Bauteile zu spannen, die auf entsprechenden Auflageflächen der Mittelbacken 14 einerseits und der Aufsatzbackenelemente 2b, 3b andererseits positioniert sind. Hierzu werden nach erfolgter Positionierung der Bauteile die Spannbacken 2, 3 durch Verdrehen der Stellspindel 5 aufeinander zu bewegt, wobei durch die mögliche Relativbewegung zwischen der Stellspindel 5 und dem Lagergehäuse 6 ein gleichmäßiges Spannen beider Bauteile gewährleistet wird.In the in the FIGS. 1 to 3 The embodiment shown is at the top of the body 4 approximately centrally between the two top jaw elements 2b, 3b, a center jaw 14 is screwed together, each cooperating with a top jaw 2b, 3b to simultaneously clamp two components on corresponding bearing surfaces of the center jaws 14 on the one hand and the On top baking elements 2b, 3b are positioned on the other hand. For this purpose, after the positioning of the components, the clamping jaws 2, 3 are moved towards each other by rotating the adjusting spindle 5, whereby a uniform clamping of both components is ensured by the possible relative movement between the adjusting spindle 5 and the bearing housing 6.

Erfindungsgemäß ist nunmehr die Möglichkeit gegeben, die Spanneinrichtung 1 derart umzurüsten, daß ein Bauteil zwischen den beiden Spannbacken 2, 3 zentrisch gespannt werden kann. Hierzu wird zunächst die Mittelbacke 14 durch Lösen der Befestigungsschrauben von dem Grundkörper 4 entfernt (siehe Figur 4). Desweiteren wird das Lagergehäuse 6 an dem Grundkörper 4 gegen eine Axialbewegung gesichert. Hierzu sind in den U-Schenkeln des Grundkörpers 4 einerseits und dem Lagergehäuse 6 andererseits korrespondierende Durchgangsbohrungen 15, 16, 17 ausgebildet, in die ein Bolzen o. dgl. eingeschoben werden kann, um das Lagergehäuse 6 fest mit dem Grundkörper 4 zu verbinden, so daß zwischen den beiden Bauteilen keine Relativbewegung stattfinden kann.According to the invention, it is now possible to convert the clamping device 1 such that a component between the two clamping jaws 2, 3 can be clamped centric. For this purpose, the central jaw 14 is first removed by loosening the fastening screws of the base body 4 (see FIG. 4 ). Furthermore, the bearing housing 6 is secured to the base body 4 against axial movement. For this purpose, corresponding through holes 15, 16, 17 are formed in the U-legs of the base body 4 on the one hand and the bearing housing 6, in which a bolt o. The like. Can be inserted to connect the bearing housing 6 fixed to the base body 4, so that between the two components no relative movement can take place.

Desweiteren ist die Möglichkeit gegeben, die Spanneinrichtung 1 so umzurüsten, daß ein Bauteil gegen die linke Spannbacke 2 als feste Backe gespannt werden kann. Hierzu wird eine vorhandene Verbindung zwischen dem Grundkörper 4 und dem Lagergehäuse 6 wieder gelöst, so daß das Lagergehäuse 6 in dem Grundkörper 4 axial bewegt werden kann. Desweiteren wird das Grundbackenelement 2a der linken Spannbacke 2 mit dem Grundkörper 4 fest verbunden, so daß die Spannbacke 2 gegenüber dem Grundkörper 4 nicht mehr verstellt werden kann. Hierzu sind in den Schenkeln des Grundkörpers 4 und in dem Grundbackenelement 2a ebenfalls zueinander korrespondierende Durchgangsbohrungen 18, 19 ausgebildet, in die ein Bolzen eingeschoben werden kann, um eine Verbindung zwischen den Bauteilen 2, 4 herzustellen. Wenn durch Einschieben des Bolzens eine solche feste Verbindung hergestellt ist, wird durch eine Betätigung der Stellspindel 5 nur die rechte Spannbacke 3 bewegt.Furthermore, there is the possibility to convert the clamping device 1 so that a component can be clamped against the left clamping jaw 2 as a fixed jaw. For this purpose, an existing connection between the base body 4 and the bearing housing 6 is released again, so that the bearing housing 6 can be moved axially in the base body 4. Furthermore, the base jaw element 2a of the left clamping jaw 2 is firmly connected to the main body 4, so that the clamping jaw 2 relative to the base body 4 can not be adjusted. For this purpose, likewise mutually corresponding through holes 18, 19 are formed in the legs of the base body 4 and in the base jaw element 2a, into which a bolt can be inserted in order to establish a connection between the components 2, 4. If such a firm connection is established by inserting the bolt, only the right clamping jaw 3 is moved by an actuation of the adjusting spindle 5.

Zusammenfassend läßt sich feststellen, daß sich die erfindungsgemäße Spanneinrichtung in einfacher Weise umrüsten läßt, um als Doppelspanner, Zentrischspanner oder als Spanner mit einer festen Spannbacke eingesetzt zu werden. So werden gewissermaßen drei verschiedene Spanneinrichtungen in der erfindungsgemäßen Spanneinrichtung vereint.In summary, it can be stated that the clamping device according to the invention can be converted in a simple manner to be used as a double clamp, Zentrischspanner or as a tensioner with a fixed jaw. Thus, to a certain extent, three different clamping devices are combined in the clamping device according to the invention.

Claims (3)

  1. A clamping device with a base element (4), two clamping jaws (2, 3) which are disposed opposite one another on the base element (4) and are moved adjustably towards and away from one another along a common axis, a centre jaw (14) fixed between the clamping jaws (2, 3) on the base element (4), and an actuating drive for adjusting the clamping jaws (2, 3) with an adjusting spindle (5) which on its axial end regions has outer thread sections (5b, 5c) with opposed pitches, which are screwed into the clamping jaws (2, 3) and which in its centre region (5a) that is lying between the outer thread sections (5b, 5c) is held pivotably in a bearing housing (6) which is adjustably moved coaxially to the clamping jaws (2, 3) within the base element (4), characterised in that the bearing housing (6) and/or at least one clamping jaw (2, 3) can be fixed onto the base element (4) in order to prevent a relative movement of the bearing housing (6) and/or of the at least one clamping jaw (2, 3) in relation to the base element (4), and that the centre jaw (14) is attached releaseably to the base element (4).
  2. The clamping device according to Claim 1, characterised in that boreholes (18, 19) corresponding to one another are formed in the base element (4) and one clamping jaw (2) into which a bolt can be inserted in order to fix the clamping jaw (2) onto the base element (4).
  3. The clamping device according to Claim 1 or 2, characterised in that boreholes (15, 16, 17) corresponding to one another are formed in the base element (4) and the bearing housing (6) into which a bolt or similar can be inserted in order to fix the bearing housing (6) onto the base element (4).
EP05001874A 2004-06-17 2005-01-29 Vice Not-in-force EP1607183B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200530235T SI1607183T1 (en) 2004-06-17 2005-01-29 Vice
PL05001874T PL1607183T3 (en) 2004-06-17 2005-01-29 Vice

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004009517U DE202004009517U1 (en) 2004-06-17 2004-06-17 tensioning device
DE202004009517U 2004-06-17

Publications (3)

Publication Number Publication Date
EP1607183A2 EP1607183A2 (en) 2005-12-21
EP1607183A3 EP1607183A3 (en) 2006-12-13
EP1607183B1 true EP1607183B1 (en) 2008-04-02

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EP (1) EP1607183B1 (en)
AT (1) ATE390989T1 (en)
DE (2) DE202004009517U1 (en)
ES (1) ES2304643T3 (en)
PL (1) PL1607183T3 (en)
SI (1) SI1607183T1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006078B4 (en) * 2007-02-02 2011-12-15 Lang Technik Gmbh Centering clamp with carrier plate
DE102014110352B3 (en) * 2014-07-23 2015-10-08 Gressel Ag Centric jig
CN104308596A (en) * 2014-09-26 2015-01-28 安徽省捷甬达智能机器有限公司 High-precision quick action flat pliers
DE102015014664B3 (en) * 2015-11-16 2017-04-27 Lang Technik Gmbh Recording device for a centrally mounted threaded spindle with a comprehensive federal government in the body of a Zentrierspanners
CZ308696B6 (en) * 2016-02-24 2021-03-03 Protechnik S.R.O. Machine vice with modular clamping system
US11667012B1 (en) 2019-03-21 2023-06-06 Kurt Manufacturing Company, Inc. Self-centering dual direction clamping vise with adjustable center support
DE102020103634B4 (en) * 2020-02-12 2021-08-19 Lang Technik Gmbh Workpiece clamping device with an adjustment device for a storage unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1811299A (en) * 1928-08-25 1931-06-23 Jr Paul Brockhaus Vise
CH434147A (en) * 1963-09-24 1967-04-15 Arnold Franz Mechanical tensioning device, especially machine vice
US4934674A (en) * 1989-03-22 1990-06-19 Kurt Manufacturing Company, Inc. Two station, single action vise
IT1274487B (en) * 1995-05-12 1997-07-17 Gerardi Spa UNIVERSAL PRECISION CLAMP FOR MACHINE TOOL
DE29900026U1 (en) * 1999-01-04 1999-04-01 Safeway Machinery Industry Corporation, Chingshui, Taichung Double seat vice

Also Published As

Publication number Publication date
DE502005003529D1 (en) 2008-05-15
PL1607183T3 (en) 2008-09-30
EP1607183A3 (en) 2006-12-13
DE202004009517U1 (en) 2004-10-14
ATE390989T1 (en) 2008-04-15
EP1607183A2 (en) 2005-12-21
ES2304643T3 (en) 2008-10-16
SI1607183T1 (en) 2008-08-31

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