EP0243599A2 - Clamping device using toggle links - Google Patents

Clamping device using toggle links 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
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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
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German (de)
French (fr)
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EP0243599B1 (en
EP0243599A3 (en
Inventor
Josef-Gerhard Tünkers
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Individual
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Individual
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Publication of EP0243599A3 publication Critical patent/EP0243599A3/en
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    • 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.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Road Paving Machines (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

Clamping device using toggle links, especially for use in motor- vehicle body construction, an axially adjustable part connected to the toggle link being driven by an electric motor. As a result, a pressure medium for actuating the axially adjustable part, for example compressed air or hydraulic oil, is no longer required.

Description

Gattunggenus

Die Erfindung betrifft eine Kniehebelspannvorrichtung zum Festspannen von Werkstücken, vornehmlich zur Verwendung im Karosseriebau, mit einem das Kniehebelgelenk betätigbaren, achsial verstellbarem Teil.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.

Stand der TechnikState of the art

Kniehebelspannvorrichtungen sind insbesondere als druckmittelbetätigbare Kniehebelspannvorrichtungen in mannigfaltigen Ausführungsformen vorbekannt. Eine vorteilhafte Ausführungsform dieser Art besteht aus einem Gehäuse mit einem Zylinderraum für den Kolben, an dessen freiem Kolbenstangenende Führungsmittel für die Kolbenstange und ein Kolbenstangenbolzen angeordnet sind, der über eine Lasche mit dem Kniehebelgelenk eines werkstückspannenden Winkelhebels verbunden ist, welcher auf einem im Gehäuse gelagerten Lagerzapfen schwenkbar gelagert ist. Führungsmittel für die Kolbenstangen bestehen aus den Enden des Kolbenstangenbolzens und im Gehäuse angeordneten, in Achsrichtung der Kolbenstange verlaufenden Führungsnuten zum Führen dieser Enden (DE-AS 22 22 686).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).

Alle bisher bekanntgewordenen, durch Luftdruck betätigten Kniehebelspannvorrichtungen besitzen den Nachteil, daß die verwendete Druckluft relativ teuer ist. Diese Druckluft wird teilweise wieder in den Freiraum zurückgeblasen und wirkt damit wenig umweltfrendlich, zumal die Druckluft oftmals sogenannte "geölte" Druckluft ist. Das Ausströmen in den Freiraum ist mit erheblichen Geräuschen verbunden.All previously known, operated by air pressure toggle lever devices have the disadvantage that the compressed air used is relatively expensive. This compressed air is partially blown back into the open space and is therefore not very environmentally friendly, especially since the compressed air is often so-called "oiled" compressed air. The outflow into the free space is associated with considerable noise.

Aufgabetask

Der Erfindung liegt die Aufgabe zugrunde, eine Kniehebelspannvorrichtung der gattungsmäßig vorausgesetzten Art so auszubilden, daß die Konstruktion gegenüber dem Stand der Technik wesentlich vereinfacht wird und die Nachteile des Standes der Technik vermieden sind.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.

Lösungsolution

Ausgehend von einer Kniehebelspannvorrichtung der gattungsgemäß vorausgesetzten Art wird diese Aufgabe durch die in Patentanspruch 1 wiedergegebenen Merkmale gelöst.Starting from a toggle lever tensioning device of the generic type, this object is achieved by the features set out in claim 1.

Einige VorteileSome advantages

Bei einer erfindungsgemäßen Kniehebelspannvorrichtung wird keine Druckluft mehr benötigt. Dadurch sind die durch die Verwendung von Druckluft auftretenden, insbesondere die Umwelt belastenden Nachteile (geölte Druckluft wird ausgeblasen; erhebliche Geräusche; teure (Herstellung der Druckluft) restlos vermieden.With a toggle lever tensioning device according to the invention, compressed air is no longer required. As a result, the disadvantages arising from the use of compressed air, in particular polluting the environment (oiled compressed air is blown out; considerable noise; expensive (production of compressed air) is completely avoided.

Darüber hinaus ist die Kniehebelspannvorrichtung auch montagefreundlich, da keine starren Rohrleitungen, Verschraubungen usw. verlegt werden müssen, sondern nur flexible Kabel zur Anwendung kommen, die dann über Stecker mit dem Spanner verbunden sind.In addition, the 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.

Da die Endabfragung "auf" oder "zu" oftmals über elektrische Endschalter abgefragt wird, bedeutet dies auch einen Vorteil bezüglich des elektrischen Antriebes. Bei pneumatischen Spannern müssen jeweils die Signale von elektrisch auf pneumatisch umgewandelt werden. Ebenso sind bei pneumatischen Spannern aufwendige Steuerungssysteme notwendig, z. B. Magnetventile usw., die bei den elektrischen Spannern entfallen können.Since the end detection "open" or "closed" is often queried via electrical limit switches, this also means an advantage with regard to the electrical drive. With pneumatic clamps, the signals must be converted from electrical to pneumatic. Likewise, complex control systems are required for pneumatic clamps, e.g. B. solenoid valves, etc., which can be omitted in the electrical tensioners.

Weitere AusführungsformenOther embodiments

In Patentanspruch 2 ist eine sehr vorteilhafte Ausführungsform der Erfindung beschrieben. Bei dieser wird das achsial verstellbare Teil durch eine Schraubspindel, die beispielsweise ein Steilgewinde, insbesondere ein Trapezgewinde oder gleichen aufweisen kann, ersetzt, die in einer passenden Schraubmutter arbeitet, die durch einen elektrischen Motor, beispielsweise über eine Hohlwelle, angetrieben wird, so daß in beiden Achsrichtungen eine stufenlose Verstellung der Spindel und damit auch des Kniehebelgelenks gegeben ist. Nach Ausfall der elektrischen Energie können sich die Teile selbst nicht lösen, da alle Teile bei allen Ausführungsformen der Erfindung Selbsthemmung besitzen können. Auch ist kein Entweichen von "Energie" möglich, wie dies z. B. bei durch Druckluft betätigbaren Spannern nicht auszuschließen ist. Erfindungsgemäße Spanner halten die eingestellte Kraft unveränderbar, so daß solche Spanner auch bei Schichtwechsel und/oder beim Verladen von Karosserieteilen der Kfz-Industrie auf Palettenwagen verfahren werden können, ohne daß sie nach Trennen von der elektrischen Energiezufuhr ihre Spannstellung verändern.In claim 2, a very advantageous embodiment of the invention is described. In this, 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. After failure of the electrical energy, 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 moved onto pallet trucks when changing shifts and / or when loading body parts of the motor vehicle industry without changing their tensioning position after disconnection from the electrical energy supply.

Bei der Ausführungsform nach Patentanspruch 3 erfolgt der Antrieb des Elektromotors über ein Getriebe, wobei eines der Zahnräder oder Ritzel mit einem entsprechenden Gewinde für die als achsial verstellbares Teil ausgebildete Spindel versehen sein kann.In the embodiment according to claim 3, 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.

Besonders vorteilhaft ist auch eine Ausführungsform gemäß Patentanspruch 4, bei welcher das achsial verstellbare Teil durch die Achse oder Welle eines sogenannten Linearmotors gebildet ist, bei dem dieses achsial verstellbare Teil auf elektro-magnetischem Wege stufenlos in beiden Richtungen verstellbar ist.Also particularly advantageous is an embodiment according to claim 4, in which 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.

In der Zeichnung ist die Erfindung - teils schematisch - an einem Ausführungsbeispiel veranschaulicht. Es zeigen:

  • Fig. 1 eine Kniehebelspannvorrichtung teils in der Seitenansicht, teils im Schnitt, gemäß der Erfindung;
  • Fig. 2 eine Teildraufsicht, teils abgebrochen dargestellt, gemäß Fig. 1;
  • Fig. 3 eine Darstellung entsprechend Fig. 1 bei einer anderen Ausführungsform und
  • Fig. 4 eine weitere Ausführungsform der Erfindung.
In the drawing, the invention is illustrated - partly schematically - using an exemplary embodiment. Show it:
  • 1 shows a toggle lever tensioning device, partly in side view, partly in section, according to the invention;
  • Fig. 2 is a partial plan view, shown partly broken away, according to Fig. 1;
  • Fig. 3 is an illustration corresponding to FIG. 1 in another embodiment and
  • Fig. 4 shows a further embodiment of the invention.

Mit dem Bezugszeichen 1 ist ein Elektromotor mit für die jeweilige Ausführungsform bestimmter Ausgestaltung bezeichnet, der bei der Ausführungsform nach Fig. 1 in achsialer Richtung einer Ausnehmung 2 aufweist, in die eine in Richtung X bzw. Y stufenlos verstellbare Schraubspindel 3 einzutreten vermag. Mit 4 ist eine Montage- oder Abschlußplatte bezeichnet, die aber auch entfallen kann.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.

Koaxial zum Elektromotor 1 ist ein Gehäuse 5 der Kniehebelspannvorrichtung angeordnet und mit dem Elektromotor 1 in nicht dargestellter Weise, beispielsweise durch Schrauben, fest, aber lösbar, verbunden. Das Gehäuse 5 weist im stirnseitigen Bereich zum Elektromotor 1 eine radiale Erweiterung 6 auf, in der eine Gewindemutter 7 angeordnet ist, deren Gewinde zu dem Gewinde der Schraubspindel 3 paßt. Die .Gewindemutter 7 ist mit einer Hohlwelle 8 des Elektromotors 1 getrieblich verbunden. Die Hohlwelle 8 weist somit die Ausnehmung 2 für den Eintritt der Schraubspindel 3 auf. Die Schraubspindel 3 ist in jeder während des Betriebes möglichen Stellung der Teile in der Schraub- bzw. Gewindemutter 7 mindestens mit mehreren Gewindegängen eingeschraubt, ragt aber auch bei der aus Fig. 1 ersichtlichen Spannstellung noch um ein beträchtliches Längenmaß aus der Gewinde- bzw. Schraubmutter 7 in die Ausnehmung 2 der Hohlwelle 8 hinein. Die zu spannenden Teile sind in der Zeichnung allerdings nicht dargestellt. Auch sind in den Spannstellungen der Fig. 1 und 3 Zwischenräume zwischen einer Klemmbacke 9 und einem Widerlager 10 dargestellt, die in der Praxis natürlich nicht oder nicht in dieser Größe vorhanden zu sein brauchen. Die Klemmbacke 9 ist über ein Spannteil 11 und einer am Gehäuse 5 fest angeordneten Schwenkachse 12 in Richtung A bzw. B schwenkbeweglich angeordnet.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.

Mit dem Spannteil 11 ist über eine Schwenkachse 13 eine Verbindungslasche 14 gekuppelt, die an ihrem der Schwenkachse 13 abgekehrten Endteil über einen Bolzen 15 schwenkbeveglich mit einem Teil 16 verbunden ist, das mit der Schraubspindel 3 gekuppelt ist. Die Schwenkachse 15 ist in dem Teil 3 gelagert. Die Schraubspindel 3 greift mit einem Längenabschnitt in das Teil 16 ein und kann beispielsweise in das Teil 16 eingeschraubt sein.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.

An jedem Ende des Bolzens 15 ist je eine Rolle 17 bzw. 18 gelagert, die in je einer Nut oder Längsführung 19 bzw. 20 des Gehäuses 5 parallel zur Längsachse der Schraubspindel 3 und damit auch parallel zur Längsachse des Gehäuses 5, also in Richtung X bzw. Y, reibungsarm beweglich geführt sind. Bei den Rollen 17 und 18 kann es sich auch um Kugellager handeln, die auf den Enden des Bolzens 15 angeordnet sind und deren Außengehäuse in den Nuten 19 bzw. 20 o. dgl. abrollen. Im übrigen kann die Ausbildung und Führung so wie in der DE-AS 22 22 686 getroffen sein.At each end of the bolt 15, 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.

Wird dem Elektromotor 1 Energie zugeführt, so wird die Hohlwelle 8 in bestimmter Richtung angetrieben, wodurch auch die Gewindemutter 7 im entsprechenden Drehsinne bewegt wird, was eine entsprechende Längsverschiebung der Schraubspindel 3, beispielsweise in Richtung X, zur Folge hat, so daß z. B. die Klemmbacke 9 in Richtung B schwenkt, sich also öffnet.If the electric motor 1 is supplied with energy, 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.

Wird dem Elektromotor 1 im andern Sinne elektrische Energie zugeführt, so hat dies eine andere Drehbewegung der Hohlwelle 8 zur Folge, was wiederum eine entsprechende Drehbewegung der Gewindemutter 7 bewirkt, wodurch die Schraubspindel 3 in Richtung Y bewegt wird, sich die Klemmbacke 9 also gegen das Widerlager 10 schließt und die nicht dargestellten Werkstücke, beispielsweise Bleche, festspannt.If the electric motor 1 is supplied with electrical energy in the other sense, this results in a different rotary movement of the hollow shaft 8, which in turn causes a corresponding rotary movement of the threaded nut 7, as a result of which the screw spindle 3 is moved in the Y direction, the clamping jaw 9 thus against the Abutment 10 closes and clamps the workpieces, not shown, for example sheets.

Bei der Ausführungsform nach Fig. 3 sind für Teile gleicher Funktion die gleichen Bezugszeichen verwendet worden. Hierbei treibt ein Elektromotor 1 über eine Welle 21 ein Ritzel 22 an, das mit einem Zahnrad 23 kämmt, das innen - bei 24 - eine Verzahnung aufweist, die mit der Schraubspindel 3 zusammenwirkt und dadurch je nach Drehrichtung des Elektromotors 1 die Schraubspindel 3 in Richtung X oder in Richtung Y achsial bewegt. Hierbei kann es sich auch um ein Schneckengetriebe handeln.3, the same reference numerals have been used for parts with the same function. Here, 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.

Bei der Ausführungsform nach Fig. 4 sind wiederum für Teile gleicher Funktion die gleichen Bezugszeichen verwendet worden. Der Elektromotor 1 ist hier durch einen Linearmotor 25 ersetzt, der eine Stange 26 in Richtung X bzw. Y antreibt und dadurch die Klemmbacke 9 in Richtung A oder B schwenkt.In the embodiment according to FIG. 4, the same reference numerals have again been used for parts with the same function. 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.

Aus Gründen der Einfachheit wurden die elektrischen Zu- und Ableitungen sowie Schalter nicht dargestellt.For reasons of simplicity, the electrical supply and discharge lines and switches have not been shown.

Die in der Zusammenfassung, in den Patentansprüchen und in der Beschreibung beschriebenen sowie in der Zeichnung dargestellten Merkmale können sowohl einzeln als.auch in beliebigen Kombinationen für die Verwirklichung der Erfindung wesentlich sein.The features described in the abstract, in the patent claims and in the description, as well as shown in the drawing, can be essential both individually and in any combination for the implementation of the invention.

B e z u g s z e f c h e n l i s t eB e z u g s z e f c h e n l i s t e

  • 1 Elektromotor1 electric motor
  • 2 Ausnehmung2 recess
  • 3 Schraubspindel, Kugelgewindetrieb, Kugelgewindespindel3 screw spindle, ball screw drive, ball screw spindle
  • 4 Montage- oder Abschlußplatte4 mounting or end plate
  • 5 Gehäuse5 housing
  • 6 radiale Erweiterung6 radial expansion
  • 7 Schraubmutter, Gewindemutter7 screw nut, threaded nut
  • 8 Hohlwelle8 hollow shaft
  • 9 Klemmbacken9 jaws
  • 10 Widerlager10 abutments
  • 11 Spannteil11 clamping part
  • 12 Schwenkachse12 swivel axis
  • \13 "\ 13 "
  • 14 Verbindungslasche14 connecting strap
  • 15 Bolzen15 bolts
  • 16 Teil16 part
  • 17 Rolle17 roll
  • 18 "18 "
  • 19 Nut19 groove
  • 20 "20 "
  • 21 Welle21 wave
  • 22 Ritzel22 sprockets
  • 23 Zahnrad23 gear
  • 24 Verzahnung24 gearing
  • 25 Linearmotor25 linear motor
  • 26 Stange26 rod
  • A SchwenkrichtungA Swivel direction
  • B " B "
  • X achsiale VerschieberichtungX axial displacement direction
  • y " "y ""
L i t e r e t u r v e r z e i c h n i sL i t e r e t u r v e r z e i c h n i s

  • DE-PS 7 08 439DE-PS 7 08 439
  • DE-PS 5 50 737DE-PS 5 50 737
  • DE-GM 83 07 606DE-GM 83 07 606
  • DE-GM 19 17 295DE-GM 19 17 295

Claims (4)

1. Kniehebelspannvorrichtung zum Festspannen von Werkstücken, vornehmlich zur Verwendung im Karosseriebau, mit einem das Kniehebelgelenk betätigbaren, achsial verstellbarem Teil, dadurch gekennzeichnet, daß dem achsial verstellbaren Teil (3; 20) ein elektrischer Antrieb (1; 25) zugeordnet ist, der die Achsialverstellung des Teiles (3; 26) bewirkt.1. 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, characterized in that the axially adjustable part (3; 20) is assigned an electric drive (1; 25) which is associated with the Axial adjustment of the part (3; 26) causes. 2. Kniehebelspannvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß dem elektrischen Antrieb (1) ein Schubspindeltrieb (3; 7) oder ein Kugelgewindetrieb bzw. eine Kugelgewindespindel zugeordnet ist.2. Toggle lever tensioning device according to claim 1, characterized in that the electric drive (1) is associated with a thrust spindle drive (3; 7) or a ball screw drive or a ball screw spindle. 3. Kniehebelspannvorrichtung nach Anspruch 1 und/oder 2, dadurch gekennzeichnet, daß der elektrische Antrieb (1) über ein Zahnradvorgelege (22; 23) eine Schraubspindel o. dgl. (3) antreibt.3. toggle lever tensioning device according to claim 1 and / or 2, characterized in that the electric drive (1) via a gear train (22; 23) drives a screw spindle or the like. (3). 4. Kniehbelspannvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das achsial verstellbare Teil (26) durch einen elektrischen Linearmotor (25) angetrieben ist.4. Kniebelspannvorrichtung according to claim 1, characterized in that the axially adjustable part (26) is driven by an electric linear motor (25).
EP19870102497 1986-04-23 1987-02-21 Clamping device using toggle links Expired - Lifetime EP0243599B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3613644 1986-04-23
DE19863613644 DE3613644A1 (en) 1986-04-23 1986-04-23 POWER DRIVEN TOGGLE TENSIONER

Publications (3)

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

Family

ID=6299282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870102497 Expired - Lifetime EP0243599B1 (en) 1986-04-23 1987-02-21 Clamping device using toggle links

Country Status (4)

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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255853A2 (en) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Rotary powered linear actuated clamp
FR2776858A1 (en) * 1998-03-27 1999-10-01 Genus Technologies HOLDING, POSITIONING, OR CLAMPING DEVICE, ELECTRICALLY ACTUATED
EP0982099A2 (en) * 1998-08-26 2000-03-01 ISI Norgren Inc. Power operated clamp
EP1088623A2 (en) * 1999-10-01 2001-04-04 SMC Kabushiki Kaisha Electric clamp apparatus
EP1123779A1 (en) * 2000-02-11 2001-08-16 Genus Technologies Device for centering and clamping, especially for pieces of vehicle bodies
EP1149665A2 (en) * 2000-04-28 2001-10-31 SMC Kabushiki Kaisha Electric clamp apparatus
EP1201370A2 (en) * 2000-10-23 2002-05-02 DE-STA-CO Metallerzeugnisse GmbH Electrically actuated workpiece clamping device
WO2003011528A1 (en) * 2001-07-25 2003-02-13 Tünkers Maschinenbau Gmbh Toggle clamping device
WO2003086711A1 (en) * 2002-04-15 2003-10-23 Tox Pressotechnik Gmbh & Co. Kg Clamping device
US6726194B2 (en) 2001-11-05 2004-04-27 Luciano Migliori Electrically-operated clamping device
EP2452761A3 (en) * 2010-11-16 2012-06-20 Btm Corporation Clinch clamp
DE102012103921A1 (en) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh jig

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Publication number Priority date Publication date Assignee Title
DE4019936A1 (en) * 1990-06-22 1992-02-13 Airbus Gmbh DEVICE FOR ADJUSTING THE HEIGHT OF A TENSIONER
DE19930990C1 (en) * 1999-07-05 2000-12-28 Tuenkers Maschinenbau Gmbh Driven knee-lever tensioning apparatus especially for use in motor vehicle body manufacture
DE19931723C1 (en) * 1999-07-08 2000-09-21 Tuenkers Maschinenbau Gmbh Toggle lever clamping assembly for bodywork sections in the automotive industry has a permanent magnet brake to secure the sections on a power failure even when carrying loads
DE29924408U1 (en) * 1999-09-06 2003-04-03 Tuenkers Maschinenbau Gmbh Knee-lever welding tool for automobile body components has fluid-cooled welding electrodes attached to pivoted clamp arm and cooperating jaw acting as counter-bearing
DE10052857A1 (en) * 2000-10-24 2002-05-02 Sta Co Mettallerzeugnisse Gmbh Workpiece clamping device which can be actuated by an electric motor
DE10159874C1 (en) 2001-12-06 2003-02-27 Tuenkers Maschinenbau Gmbh Tool for the construction of vehicle body parts has a worm screw and worm screw wheel, in the transmission between the drive and the toggle lever linkage, with a self-lubricating action
DE202008013025U1 (en) 2007-10-04 2009-01-08 De-Sta-Co Europe Gmbh Swivel clamp
DE102012006866B4 (en) 2012-04-04 2018-05-09 Tünkers Maschinenbau Gmbh Power operated toggle tensioning device
DE102018206839A1 (en) * 2018-05-03 2019-04-04 Thyssenkrupp Ag Device for clamping a molding

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GB611873A (en) * 1946-05-11 1948-11-04 Harold Jackson Improvements relating to electro-magnetic clamps, vices and the like
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US4137784A (en) * 1977-11-14 1979-02-06 Industrial Device Corporation Electromechanical equivalent of fluid powered cylinder
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DD138643A1 (en) * 1978-09-05 1979-11-14 Gerd Ziemann ELECTROMECHANICALLY ACTUATED HOLDING DEVICE
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
DE3638526C1 (en) * 1986-11-11 1987-07-30 Sta Co Mettallerzeugnisse Gmbh Workpiece clamping device that can be driven by an electric motor
EP0255853A2 (en) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Rotary powered linear actuated clamp

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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 (en) * 1971-04-10 1972-10-19 Kyoritsu Mfg. Co. Ltd., Osaka (Japan) vice
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
DE2739150A1 (en) * 1977-08-31 1979-03-15 Betzing Ullrich Electric motor driven lifting jack - has recirculating ball screw with rectangular hollow profile containing column
US4137784A (en) * 1977-11-14 1979-02-06 Industrial Device Corporation Electromechanical equivalent of fluid powered cylinder
DD138643A1 (en) * 1978-09-05 1979-11-14 Gerd Ziemann ELECTROMECHANICALLY ACTUATED HOLDING DEVICE
EP0255853A2 (en) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Rotary powered linear actuated clamp
DE3638526C1 (en) * 1986-11-11 1987-07-30 Sta Co Mettallerzeugnisse Gmbh Workpiece clamping device that can be driven by an electric motor

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 (en) * 1986-08-08 1988-02-17 Dover Corporation, De-Sta-Co Division Rotary powered linear actuated clamp
FR2776858A1 (en) * 1998-03-27 1999-10-01 Genus Technologies HOLDING, POSITIONING, OR CLAMPING DEVICE, ELECTRICALLY ACTUATED
WO1999050944A1 (en) * 1998-03-27 1999-10-07 Genus Technologies Maintaining, positioning or clamping device
US6456026B1 (en) 1998-03-27 2002-09-24 Genus Technologies Maintaining, positioning or clamping device
EP0982099A2 (en) * 1998-08-26 2000-03-01 ISI Norgren Inc. Power operated clamp
EP0982099A3 (en) * 1998-08-26 2002-05-02 Norgren Automotive Inc. Power operated clamp
EP1088623A3 (en) * 1999-10-01 2002-04-10 SMC Kabushiki Kaisha Electric clamp apparatus
EP1088623A2 (en) * 1999-10-01 2001-04-04 SMC Kabushiki Kaisha Electric clamp apparatus
US6354580B1 (en) 1999-10-01 2002-03-12 Smc Kabushiki Kaisha Electric clamp apparatus
US6695359B2 (en) 2000-02-11 2004-02-24 Genus Technologies Device for centering and gripping, particularly for pieces of automobile body work
FR2804929A1 (en) * 2000-02-11 2001-08-17 Genus Technologies CENTERING AND CLAMPING DEVICE, PARTICULARLY FOR PARTS OF AUTOMOTIVE BODYWORK
EP1123779A1 (en) * 2000-02-11 2001-08-16 Genus Technologies Device for centering and clamping, especially for pieces of vehicle bodies
EP1149665A3 (en) * 2000-04-28 2002-04-10 SMC Kabushiki Kaisha Electric clamp apparatus
EP1149665A2 (en) * 2000-04-28 2001-10-31 SMC Kabushiki Kaisha Electric clamp apparatus
US6471199B2 (en) 2000-04-28 2002-10-29 Smc Kabushiki Kaisha Electric clamp apparatus
EP1201370A2 (en) * 2000-10-23 2002-05-02 DE-STA-CO Metallerzeugnisse GmbH Electrically actuated workpiece clamping device
EP1201370A3 (en) * 2000-10-23 2004-03-10 DE-STA-CO Metallerzeugnisse GmbH Electrically actuated workpiece clamping device
WO2003011528A1 (en) * 2001-07-25 2003-02-13 Tünkers Maschinenbau Gmbh Toggle clamping device
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 (en) * 2002-04-15 2003-10-23 Tox Pressotechnik Gmbh & Co. Kg Clamping device
EP2452761A3 (en) * 2010-11-16 2012-06-20 Btm Corporation Clinch clamp
US9421599B2 (en) 2010-11-16 2016-08-23 Btm Company Llc Clinch clamp
DE102012103921A1 (en) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh jig

Also Published As

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

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