EP2093023B1 - Device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools - Google Patents

Device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools Download PDF

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Publication number
EP2093023B1
EP2093023B1 EP09000734A EP09000734A EP2093023B1 EP 2093023 B1 EP2093023 B1 EP 2093023B1 EP 09000734 A EP09000734 A EP 09000734A EP 09000734 A EP09000734 A EP 09000734A EP 2093023 B1 EP2093023 B1 EP 2093023B1
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EP
European Patent Office
Prior art keywords
carrier plate
guide element
tools
hollow body
telescopic
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
EP09000734A
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German (de)
French (fr)
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EP2093023A1 (en
Inventor
Rolf Sinn
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.)
Karl Marbach GmbH and Co KG
Original Assignee
Karl Marbach GmbH and Co KG
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Filing date
Publication date
Application filed by Karl Marbach GmbH and Co KG filed Critical Karl Marbach GmbH and Co KG
Priority to PL09000734T priority Critical patent/PL2093023T3/en
Publication of EP2093023A1 publication Critical patent/EP2093023A1/en
Application granted granted Critical
Publication of EP2093023B1 publication Critical patent/EP2093023B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D2007/189—Mounting blanking, stripping and break-out tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting

Definitions

  • the invention relates to a device for clamping of parts, in particular in stamping machines, stripping tools andtributrenntechnikmaschineen, according to the preamble of patent claim 1 and a printing device for attachment to a support plate of the device according to the preamble of claim 10.
  • a device for clamping of parts in particular in stamping machines which comprises a support plate on which at least one guide element is attachable, in which a prestressed push rod is guided displaceably along its axis.
  • the push rod is biased relative to the guide element and the guide element has a cylindrical base body from which a peripheral flange extends radially outward. From the main body extending a plurality of radial projections in a radial plane outwardly, which is located at an axial distance to the peripheral flange. The axial distance between the peripheral flange and radial projections substantially corresponds to the thickness of the carrier plate.
  • a passage opening is formed, which has a total cylindrical inner surface from which radial recesses extend radially outward, through which in each case passes a radial projection when inserting the main body in the through hole, so that the guide element after insertion of the main body in the through hole Rotation about its longitudinal axis in the manner of a bayonet lock on the support plate can be fastened.
  • the push rod is integrally formed and moves when clamping against the biasing force in the direction of the support plate in a rotary handle, which is arranged on the back of the support plate.
  • the twist grip must be made sufficiently high so that it can accommodate the overhanging rear end of the push rod.
  • the space requirement of the known device is therefore relatively high. In different applications, it is required that no parts on the back protrude from the support plate. For such applications, the known device is not suitable.
  • a paper and cloth cutting machine is known in which two push rods are attached to a means of a spindle up and down movable crossbar.
  • the push rods each comprise an attached to the cross bar inner tube in which a spring is arranged.
  • On the inner tube telescopically slides an outer tube which is displaceable against the force of the spring, wherein at the lower end of the outer tube an approach is provided, against which the spring presses and on which a pressing beam is attached.
  • the outer tube is displaced so far on the inner tube until the approach stops at the lower end of the inner tube.
  • the invention has for its object to provide with structurally simple means a device for clamping parts with a small footprint, which can be used in particular in stamping machines, breakout tools andtributrennwerkmaschineen.
  • the push rod device comprises at least two telescopically arranged and displaceable telescopic elements projecting from the front of the support plate, wherein the telescopic elements are displaceable against the force of a resilient biasing means in the guide member, without protruding over the back of the support plate.
  • the guide element comprises a cylindrical hollow body, from the outside of which at least two radial projections extend, on whose outer side in each case an elastic Saw tooth profile is provided with inclined towards the front of the support plate teeth.
  • the inner cross section of the passage opening is designed to be complementary to the outer cross section of the guide element in the region of the radial projections.
  • the guide element is inserted into the passage opening and held by the sawtooth in the through hole.
  • the sawtooth profile is designed such that a slight pressure is exerted on its tips by the passage opening during insertion, so that a firm hold of the guide element in the passage opening is ensured.
  • a peripheral flange extends from the cylindrical hollow body, a peripheral flange to the outside, which rests on the front side of the carrier plate.
  • passage openings may be formed in the peripheral flange through which screws for fastening the guide element to the carrier plate pass.
  • mounting tongues may extend outward, in which passage openings are formed, pass through the screws for fastening the guide member to the support plate.
  • the widest telescopic element in cylindrical telescopic elements, the telescopic element with the largest diameter, guided in the hollow body.
  • the biasing device is preferably formed by a spring element which is supported at one end to the rear bottom of the hollow body and at the other end from the inside to the foremost Telesköpelement.
  • a printing plate is attached to the free ends of the frontmost telescopic elements in an embodiment of the device according to the invention with a plurality of printing devices.
  • the in the Fig. 1 to 3 shown printing device 10 comprises a guide member 12 having a cylindrical hollow body 13, extending from the outside thereof at an angular distance of 90 ° four substantially cuboid radial projections 14a, 14b, 14c and 14d in the axial direction.
  • a sawtooth profile 16 is formed in each case, whose teeth in the Fig. 1 to 3 tilted upwards.
  • the radial projections 14 a to 14 d extend substantially to the underside of the cylindrical hollow body 13.
  • annular cover 18 is provided which extends radially beyond the outer periphery of the hollow body 13 to form a peripheral flange.
  • the cylindrical hollow body 13 has a cylindrical inner space 28, which is closed at the bottom of the hollow body 13 by a bottom 26.
  • the annular cover 18 has a coaxial cylindrical central opening 33 whose diameter is smaller than the diameter of the cylindrical cavity 28 of the hollow body 13.
  • a first cylindrical telescopic element 20 is displaceably guided in the axial direction.
  • the telescopic element 20 is formed overall as a cylindrical hollow body having at its lower end an outwardly extending collar 32 whose outer diameter corresponds to the inner diameter of the cylindrical cavity 28.
  • the outer diameter of the telescopic element 20 otherwise corresponds to the inner diameter of the central opening 33 in the annular cover 18, so that the telescopic element 20 is guided above the collar 32 in the central opening 33 and with its collar 32 in the cylindrical cavity 28.
  • Fig. 3 the telescopic element 20 is shown in its uppermost position, in which the collar 32 abuts against the ring cover 18.
  • the telescopic element 20 has an inwardly extending annular collar 34, the cylindrical opening 35 has a smaller diameter than the cylindrical cavity of the telescopic element 20th
  • a second telescopic element 22 is slidably guided in the axial direction, which also has a cylindrical cavity which is closed on its upper side by a head 40.
  • the second telescopic element 22 comprises at its lower end a cylindrical collar 36 whose outer diameter corresponds to the inner diameter of the cylindrical cavity of the first telescopic element 20.
  • the outer diameter of the second telescopic element corresponds to the diameter of the central opening 35 formed by the annular collar 34.
  • a bias coil spring 24 is arranged in the axial direction, which is supported with its upper end from the inside to the head 40 of the second telescopic element 22 and with its lower end to the bottom 26 of the hollow body 13.
  • the first telescopic element 20 and the second telescopic element 22 have approximately the same length in the axial direction, wherein the length is selected so that both telescopic elements 20, 22 against the force of the coil spring 24 telescopically in the guide member 12 can be moved so that the second Telescope element 22 does not project or only to a slight extent on the ring cover 18.
  • printing device 70 differs from that in the Fig. 1 to 3 shown pressing device, that on the peripheral flange of the ring cover 78 two diametrically in the opposite direction outwardly extending fastening tongues 80, 82 are provided, in which axially extending through holes 84 and 86 are provided for attachment of the printing device 70 by means of screws on a support plate ,
  • a support plate 50, to which the printing device 10 is attached, is in the FIGS. 5 to 8 shown.
  • the carrier plate 50 has a substantially cylindrical passage opening 52, the inner contour of which substantially corresponds to the outer contour of the pressure device 10 in the region of the radial projections 14a to 14d. Accordingly, the passage opening 52 at respective angular intervals of 90 ° corresponding radial recesses 54a to 54d.
  • the printing device 10 is used to form a device for clamping parts, in particular in stamping machines, in the carrier plate 50.
  • the guide element 12 is located in the passage opening 52, wherein the radial projections 14a to 14d are arranged in the radial recesses 54a to 54d.
  • the distance between the outer walls of two opposite radial recesses is slightly less than the distance between the outer sides of two opposing radial projections, so that the teeth of the sawtooth profile when inserting the printing devices 10 in the support plate 50 exert pressure on the outer walls of the radial recesses, the secure holding the printing device 10 in the through hole 52 ensures.
  • the ring cover 18 When the printing device 10 is fully inserted into the through hole 52, the ring cover 18 is located on the underside of the support plate 50 at. The bottom 26 of the guide member 12 abuts the top of the carrier plate 50, but does not extend beyond it.
  • Fig. 8 the path a is shown, the second telescopic element 22 can be moved against the pressing force of the coil spring 24. This path corresponds to the distance between the end face of the head 46 of the second telescopic element 22 and the ring cover 18th
  • a further device for clamping of parts is shown with an overall rectangular support plate 50, wherein in each case in the corner region of the support plate 50, a printing device 10a to 10d is arranged. At the free ends of the second telescopic elements 22, a clamping plate 60 is attached.
  • the printing device 10 shown in the figures has two telescopic elements 20, 22, but it is also possible to provide three or more telescoping telescopic elements.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Details Of Cutting Devices (AREA)
  • Drilling And Boring (AREA)

Abstract

The device has a carrier plate, in which a passage opening is formed, and in which a pressing device (10) with a guiding device (12) is inserted. A clamped pressing rod mechanism is adjustably guided along their axis in the carrier plate. The pressing rod mechanism has two telescope-like telescope elements (20, 22) that are adjustable to each other and project from a front side of the carrier plate. The telescope elements are adjustable into the guiding device against a force of a flexible clamping device. The guiding device does not project from a rear side of the carrier plate. An independent claim is also included for a pressing device for fastening at a carrier plate of a device for clamping parts.

Description

Die Erfindung betrifft eine Vorrichtung zur Klemmung von Teilen, insbesondere in Stanzautomaten, Ausbrechwerkzeugen und Nutzentrennwerkzeugen, nach dem Oberbegriff des Patentanspruchs 1 sowie eine Druckvorrichtung zur Befestigung an einer Trägerplatte der Vorrichtung nach dem Oberbegriff des Patentanspruchs 10.The invention relates to a device for clamping of parts, in particular in stamping machines, stripping tools and Nutzentrennwerkzeugen, according to the preamble of patent claim 1 and a printing device for attachment to a support plate of the device according to the preamble of claim 10.

Aus der DE 20 2006 017 644 U1 ist eine Vorrichtung zur Klemmung von Teilen insbesondere in Stanzautomaten bekannt, die eine Trägerplatte umfasst, an der wenigstens ein Führungselement anbringbar ist, in dem eine vorgespannte Schubstange längs ihrer Achse verschiebbar geführt ist. Die Schubstange ist gegenüber dem Führungselement vorgespannt und das Führungselement weist einen zylindrischen Grundkörper auf, von dem sich ein Umfangsflansch radial nach außen erstreckt. Von dem Grundkörper erstrecken sich mehrere Radialvorsprünge in einer Radialebene nach außen, die in axialem Abstand zu dem Umfangsflansch liegt. Der axiale Abstand zwischen Umfangsflansch und Radialvorsprüngen entspricht im Wesentlichen der Dicke der Trägerplatte. In der Trägerplatte ist eine Durchgangsöffnung ausgebildet, die eine insgesamt zylindrische Innenfläche aufweist, von der sich Radialausnehmungen radial nach außen erstrecken, durch die jeweils ein Radialvorsprung beim Einsetzen des Grundkörpers in die Durchgangsöffnung hindurchgeht, so dass das Führungselement nach Einsetzen des Grundkörpers in die Durchgangsöffnung durch Drehung um seine Längsachse in Art eines Bajonettverschlusses an der Trägerplatte befestigbar ist. Die Schubstange ist einteilig ausgebildet und bewegt sich beim Klemmen gegen die Vorspannkraft in Richtung der Trägerplatte in einen Drehgriff, der auf der Rückseite der Trägerplatte angeordnet ist. Der Drehgriff muss ausreichend hoch ausgebildet werden, damit er das über die Rückseite vorstehende Ende der Schubstange aufnehmen kann. Der Platzbedarf der bekannten Vorrichtung ist daher relativ hoch. Bei verschiedenen Anwendungen ist es erforderlich, dass keine Teile über die Rückseite der Trägerplatte hinausragen. Für solche Anwendungen ist die bekannte Vorrichtung nicht geeignet.From the DE 20 2006 017 644 U1 a device for clamping of parts, in particular in stamping machines is known which comprises a support plate on which at least one guide element is attachable, in which a prestressed push rod is guided displaceably along its axis. The push rod is biased relative to the guide element and the guide element has a cylindrical base body from which a peripheral flange extends radially outward. From the main body extending a plurality of radial projections in a radial plane outwardly, which is located at an axial distance to the peripheral flange. The axial distance between the peripheral flange and radial projections substantially corresponds to the thickness of the carrier plate. In the support plate, a passage opening is formed, which has a total cylindrical inner surface from which radial recesses extend radially outward, through which in each case passes a radial projection when inserting the main body in the through hole, so that the guide element after insertion of the main body in the through hole Rotation about its longitudinal axis in the manner of a bayonet lock on the support plate can be fastened. The push rod is integrally formed and moves when clamping against the biasing force in the direction of the support plate in a rotary handle, which is arranged on the back of the support plate. The twist grip must be made sufficiently high so that it can accommodate the overhanging rear end of the push rod. The space requirement of the known device is therefore relatively high. In different applications, it is required that no parts on the back protrude from the support plate. For such applications, the known device is not suitable.

Aus der DE 427 155 C ist eine Schneidemaschine für Papier und Stoffe bekannt, bei der zwei Druckstangen an einem mittels einer Spindel auf- und abbewegbaren Querbalken befestigt sind. Die Druckstangen umfassen jeweils ein an dem Querbalken angebrachtes Innenrohr in dem eine Feder angeordnet ist. Auf dem Innenrohr gleitet teleskopartig ein Außenrohr, das gegen die Kraft der Feder verschiebbar ist, wobei an dem unteren Ende des Außenrohrs ein Ansatz vorgesehen ist, gegen den die Feder drückt und an dem ein Pressbalken befestigt ist. Das Außenrohr ist so weit auf dem Innenrohr verschiebbar, bis der Ansatz am unteren Ende des Innenrohrs anschlägt.From the DE 427 155 C is a paper and cloth cutting machine is known in which two push rods are attached to a means of a spindle up and down movable crossbar. The push rods each comprise an attached to the cross bar inner tube in which a spring is arranged. On the inner tube telescopically slides an outer tube which is displaceable against the force of the spring, wherein at the lower end of the outer tube an approach is provided, against which the spring presses and on which a pressing beam is attached. The outer tube is displaced so far on the inner tube until the approach stops at the lower end of the inner tube.

Der Erfindung liegt die Aufgabe zugrunde, mit konstruktiv einfachen Mitteln eine Vorrichtung zur Klemmung von Teilen mit geringem Platzbedarf zu schaffen, die insbesondere in Stanzautomaten, Ausbrechwerkzeugen und Nutzentrennwerkzeugen angewendet werden kann.The invention has for its object to provide with structurally simple means a device for clamping parts with a small footprint, which can be used in particular in stamping machines, breakout tools and Nutzentrennwerkzeugen.

Diese Aufgabe wird erfindungsgemäß durch eine Vorrichtung zur Klemmung von Teilen mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Weiterbildungen der erfindungsgemäßen Vorrichtung sind Gegenstand der Patentansprüche 2 bis 9. Eine Druckvorrichtung, die in der erfindungsgemäßen Vorrichtung zur Klemmung von Teilen verwendet werden kann, ist Gegenstand des Patentanspruchs 10.This object is achieved by a device for clamping parts with the features of claim 1. Advantageous developments of the device according to the invention are subject matter of the claims 2 to 9. A printing device which can be used in the device according to the invention for clamping of parts is the subject of claim 10.

Bei der erfindungsgemäßen Vorrichtung umfasst die Druckstangeneinrichtung wenigstens zwei teleskopartig zueinander angeordnete und verschiebbare Teleskopelemente, die von der Vorderseite der Trägerplatte vorstehen, wobei die Teleskopelemente gegen die Kraft einer elastischen Vorspanneinrichtung in das Führungselement verschiebbar sind, ohne über die Rückseite der Trägerplatte vorzustehen. Somit stehen keine Teile über die Rückseite der Trägerplatte hinaus, weshalb die erfindungsgemäße Vorrichtung einen geringen Platzbedarf hat.In the apparatus according to the invention, the push rod device comprises at least two telescopically arranged and displaceable telescopic elements projecting from the front of the support plate, wherein the telescopic elements are displaceable against the force of a resilient biasing means in the guide member, without protruding over the back of the support plate. Thus, no parts beyond the back of the support plate, which is why the device of the invention has a small footprint.

Eine einfache Befestigung der erfindungsgemäßen Vorrichtung wird dadurch erreicht, dass das Führungselement einen zylindrischen Hohlkörper umfasst, von dessen Außenseite sich wenigstens zwei Radialvorsprünge erstrecken, an deren Außenseite jeweils ein elastisches Sägezahnprofil mit in Richtung der Vorderseite der Trägerplatte geneigten Zähnen vorgesehen ist. Der Innenquerschnitt der Durchgangsöffnung ist komplementär zum Außenquerschnitt des Führungselements im Bereich der Radialvorsprünge ausgebildet. Zur Anbringung an der Trägerplatte wird das Führungselement in die Durchgangsöffnung eingesetzt und durch das Sägezahnprofil in der Durchgangsöffnung gehalten. Das Sägezahnprofil ist so ausgebildet, dass von der Durchgangsöffnung beim Einsetzen ein leichter Druck auf seine Spitzen ausgeübt wird, so dass ein fester Halt des Führungselements in der Durchgangsöffnung sichergestellt wird.A simple attachment of the device according to the invention is achieved in that the guide element comprises a cylindrical hollow body, from the outside of which at least two radial projections extend, on whose outer side in each case an elastic Saw tooth profile is provided with inclined towards the front of the support plate teeth. The inner cross section of the passage opening is designed to be complementary to the outer cross section of the guide element in the region of the radial projections. For attachment to the support plate, the guide element is inserted into the passage opening and held by the sawtooth in the through hole. The sawtooth profile is designed such that a slight pressure is exerted on its tips by the passage opening during insertion, so that a firm hold of the guide element in the passage opening is ensured.

Bei einer bevorzugten Ausführungsform erstreckt sich von dem zylindrischen Hohlkörper ein Umfangsflansch nach außen, der auf der Vorderseite der Trägerplatte anliegt. Hierdurch wird die Einsetzbewegung des Führungselements begrenzt. Zusätzlich können in dem Umfangsflansch Durchgangsöffnungen ausgebildet sein, durch die Schrauben zur Befestigung des Führungselements an der Trägerplatte hindurchgehen.In a preferred embodiment extends from the cylindrical hollow body, a peripheral flange to the outside, which rests on the front side of the carrier plate. As a result, the insertion movement of the guide element is limited. In addition, passage openings may be formed in the peripheral flange through which screws for fastening the guide element to the carrier plate pass.

Von dem Umfangsflansch können sich aber auch auf der Vorderseite der Trägerplatte anliegende Befestigungszungen nach außen erstrecken, in denen Durchgangsöffnungen ausgebildet sind, durch die Schrauben zur Befestigung des Führungselements an der Trägerplatte hindurchgehen.From the peripheral flange but also on the front of the support plate adjacent mounting tongues may extend outward, in which passage openings are formed, pass through the screws for fastening the guide member to the support plate.

Vorzugsweise ist das breiteste Teleskopelement, bei zylindrischen Teleskopelementen das Teleskopelement mit dem größten Durchmesser, in dem Hohlkörper geführt.Preferably, the widest telescopic element, in cylindrical telescopic elements, the telescopic element with the largest diameter, guided in the hollow body.

Die Vorspanneinrichtung wird bevorzugt von einem Federelement gebildet, das sich mit einem Ende an dem rückseitigen Boden des Hohlkörpers und mit dem anderen Ende von innen an dem vordersten Telesköpelement abstützt.The biasing device is preferably formed by a spring element which is supported at one end to the rear bottom of the hollow body and at the other end from the inside to the foremost Telesköpelement.

Für eine breitflächige Klemmung wird bei einer Ausführungsform der erfindungsgemäßen Vorrichtung mit mehreren Druckvorrichtungen eine Druckplatte an den freien Enden der vordersten Teleskopelemente angebracht.For a wide-area clamping a printing plate is attached to the free ends of the frontmost telescopic elements in an embodiment of the device according to the invention with a plurality of printing devices.

Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnungen näher erläutert. Es zeigen

Fig. 1
eine perspektivische Darstellung einer Druckvorrichtung von oben,
Fig. 2
eine perspektivische Darstellung der Druckvorrichtung von Fig. 1 von unten,
Fig. 3
eine Transparentdarstellung der Druckvorrichtung von Fig. 1,
Fig. 4
eine zweite Ausführungsform einer Druckvorrichtung,
Fig. 5
eine Unteransicht einer Trägerplatte,
Fig. 6
eine perspektivische Unteransicht der Trägerplatte von Fig. 5, wobei eine Druckvor- richtung eingesetzt ist,
Fig. 7
eine Draufsicht auf die Trägerplatte von Fig. 5 mit eingesetzter Druckvorrichtung,
Fig. 8
einen Querschnitt durch die Trägerplatte von Fig. 5 mit eingesetzter Druckvorrichtung,
Fig. 9
eine Vorrichtung zur Klemmung von Teilen mit einer Klemmplatte.
Embodiments of the invention are explained below with reference to the drawings. Show it
Fig. 1
a perspective view of a printing device from above,
Fig. 2
a perspective view of the printing device of Fig. 1 from underneath,
Fig. 3
a transparent representation of the printing device of Fig. 1 .
Fig. 4
A second embodiment of a printing device,
Fig. 5
a bottom view of a carrier plate,
Fig. 6
a bottom perspective view of the carrier plate of Fig. 5 , wherein a printing device is used,
Fig. 7
a plan view of the carrier plate of Fig. 5 with inserted printing device,
Fig. 8
a cross section through the support plate of Fig. 5 with inserted printing device,
Fig. 9
a device for clamping parts with a clamping plate.

Die in den Fig. 1 bis 3 gezeigte Druckvorrichtung 10 umfasst ein Führungselement 12 mit einem zylindrischen Hohlkörper 13, von dessen Außenseite sich in einem Winkelabstand von 90° vier im Wesentlichen quaderförmige Radialvorsprünge 14a, 14b, 14c und 14d in Axialrichtung erstrecken. An der dem Hohlkörper 13 abgewandten, in Axialrichtung verlaufenden Außenseite der Radialvorsprünge 14a bis 14d ist jeweils ein Sägezahnprofil 16 ausgebildet ist, dessen Zähne in den Fig. 1 bis 3 nach oben geneigt sind. Die Radialvorsprünge 14a bis 14d erstrecken sich im Wesentlichen bis zur Unterseite des zylindrischen Hohlkörpers 13.The in the Fig. 1 to 3 shown printing device 10 comprises a guide member 12 having a cylindrical hollow body 13, extending from the outside thereof at an angular distance of 90 ° four substantially cuboid radial projections 14a, 14b, 14c and 14d in the axial direction. On the side facing away from the hollow body 13, extending in the axial direction outside of the radial projections 14a to 14d, a sawtooth profile 16 is formed in each case, whose teeth in the Fig. 1 to 3 tilted upwards. The radial projections 14 a to 14 d extend substantially to the underside of the cylindrical hollow body 13.

An der Oberseite des Hohlkörpers 13 ist ein Ringdeckel 18 vorgesehen, der sich zur Bildung eines Umfangsflansches über den Außenumfang des Hohlkörpers 13 radial hinaus erstreckt.At the top of the hollow body 13, an annular cover 18 is provided which extends radially beyond the outer periphery of the hollow body 13 to form a peripheral flange.

Der zylindrischer Hohlkörper 13 weist einen zylindrischen Innenraum 28 auf, der an der Unterseite des Hohlkörpers 13 durch einen Boden 26 geschlossen ist.The cylindrical hollow body 13 has a cylindrical inner space 28, which is closed at the bottom of the hollow body 13 by a bottom 26.

Der Ringdeckel 18 weist eine koaxiale zylindrische Mittelöffnung 33 auf, deren Durchmesser geringer ist als der Durchmesser des zylindrischen Hohlraums 28 des Hohlkörpers 13.The annular cover 18 has a coaxial cylindrical central opening 33 whose diameter is smaller than the diameter of the cylindrical cavity 28 of the hollow body 13.

In dem Führungselement 12 ist ein erstes zylindrisches Teleskopelement 20 in Axialrichtung verschiebbar geführt. Das Teleskopelement 20 ist insgesamt als zylindrischer Hohlkörper ausgebildet, der an seinem unteren Ende einen sich nach außen erstreckenden Bund 32 aufweist, dessen Außendurchmesser dem Innendurchmesser des zylindrischen Hohlraums 28 entspricht. Der Außendurchmesser des Teleskopelements 20 entspricht im Übrigen dem Innendurchmesser der Mittelöffnung 33 in dem Ringdeckel 18, so dass das Teleskopelement 20 oberhalb des Bundes 32 in der Mittelöffnung 33 und mit seinem Bund 32 in dem zylindrischen Hohlraum 28 geführt ist. In Fig. 3 ist das Teleskopelement 20 in seiner obersten Stellung gezeigt, in der der Bund 32 an dem Ringdeckel 18 anschlägt. An seiner oberen Stirnseite weist das Teleskopelement 20 einen sich nach innen erstreckenden Ringkragen 34 auf, dessen zylindrische Öffnung 35 einen geringeren Durchmesser hat als der zylindrische Hohlraum des Teleskopelements 20.In the guide element 12, a first cylindrical telescopic element 20 is displaceably guided in the axial direction. The telescopic element 20 is formed overall as a cylindrical hollow body having at its lower end an outwardly extending collar 32 whose outer diameter corresponds to the inner diameter of the cylindrical cavity 28. The outer diameter of the telescopic element 20 otherwise corresponds to the inner diameter of the central opening 33 in the annular cover 18, so that the telescopic element 20 is guided above the collar 32 in the central opening 33 and with its collar 32 in the cylindrical cavity 28. In Fig. 3 the telescopic element 20 is shown in its uppermost position, in which the collar 32 abuts against the ring cover 18. At its upper end face, the telescopic element 20 has an inwardly extending annular collar 34, the cylindrical opening 35 has a smaller diameter than the cylindrical cavity of the telescopic element 20th

In dem Teleskopelement 20 ist ein zweites Teleskopelement 22 in Axialrichtung verschiebbar geführt, das ebenfalls einen zylindrischen Hohlraum aufweist, der auf seiner Oberseite durch einen Kopf 40 geschlossen ist. Das zweite Teleskopelement 22 umfasst an seinem unteren Ende einen zylindrischen Bund 36, dessen Außendurchmesser dem Innendurchmesser des zylindrischen Hohlraums des ersten Teleskopelements 20 entspricht. Im Übrigen entspricht der Außendurchmesser des zweiten Teleskopelements dem Durchmesser der durch den Ringkragen 34 gebildeten Mittelöffnung 35. Auf diese Weise wird das zweite Teleskopelement 22 bei seiner Bewegung an dem Bund 36 durch die Innenwand des ersten Teleskopelements 20 und an seiner übrigen Außenwandung durch den Ringkragen 34 geführt.In the telescopic element 20, a second telescopic element 22 is slidably guided in the axial direction, which also has a cylindrical cavity which is closed on its upper side by a head 40. The second telescopic element 22 comprises at its lower end a cylindrical collar 36 whose outer diameter corresponds to the inner diameter of the cylindrical cavity of the first telescopic element 20. In other respects, the outer diameter of the second telescopic element corresponds to the diameter of the central opening 35 formed by the annular collar 34. In this way, the second telescopic element 22 becomes in its movement on the collar 36 through the inner wall of the first telescopic element 20 and on its remaining outer wall through the annular collar 34 guided.

Innerhalb der Druckvorrichtung 10 ist eine Vorspannschraubenfeder 24 in Axialrichtung angeordnet, die sich mit ihrem oberen Ende von innen an dem Kopf 40 des zweiten Teleskopelements 22 und mit ihrem unteren Ende an dem Boden 26 des Hohlkörpers 13 abstützt.Within the printing device 10, a bias coil spring 24 is arranged in the axial direction, which is supported with its upper end from the inside to the head 40 of the second telescopic element 22 and with its lower end to the bottom 26 of the hollow body 13.

Das erste Teleskopelement 20 und das zweite Teleskopelement 22 haben in Axialrichtung in etwa die gleiche Länge, wobei die Länge so gewählt ist, dass beide Teleskopelemente 20, 22 gegen die Kraft der Schraubenfeder 24 teleskopartig in das Führungselement 12 so verschoben werden können, dass das zweite Teleskopelement 22 nicht oder nur in geringem Maße über den Ringdeckel 18 vorsteht.The first telescopic element 20 and the second telescopic element 22 have approximately the same length in the axial direction, wherein the length is selected so that both telescopic elements 20, 22 against the force of the coil spring 24 telescopically in the guide member 12 can be moved so that the second Telescope element 22 does not project or only to a slight extent on the ring cover 18.

Die in Fig. 4 gezeigte Druckvorrichtung 70 unterscheidet sich von der in den Fig. 1 bis 3 gezeigten Druckvorrichtung dadurch, dass an dem Umfangsflansch des Ringdeckels 78 zwei sich diametral in entgegengesetzte Richtung nach außen erstreckende Befestigungszungen 80, 82 vorgesehen sind, in denen in Axialrichtung verlaufende Durchgangsöffnungen 84 bzw. 86 für eine Befestigung der Druckvorrichtung 70 mittels Schrauben an einer Trägerplatte vorgesehen sind.In the Fig. 4 shown printing device 70 differs from that in the Fig. 1 to 3 shown pressing device, that on the peripheral flange of the ring cover 78 two diametrically in the opposite direction outwardly extending fastening tongues 80, 82 are provided, in which axially extending through holes 84 and 86 are provided for attachment of the printing device 70 by means of screws on a support plate ,

Eine Trägerplatte 50, an der die Druckvorrichtung 10 angebracht wird, ist in den Figuren 5 bis 8 gezeigt. Die Trägerplatte 50 weist eine im Wesentlichen zylindrische Durchgangsöffnung 52 auf, deren Innenkontur im Wesentlichen der Außenkontur der Druckvorrichtung 10 im Bereich der Radialvorsprünge 14a bis 14d entspricht. Dementsprechend weist die Durchgangsöffnung 52 im Winkelabstand von 90° jeweils entsprechende Radialausnehmungen 54a bis 54d auf.A support plate 50, to which the printing device 10 is attached, is in the FIGS. 5 to 8 shown. The carrier plate 50 has a substantially cylindrical passage opening 52, the inner contour of which substantially corresponds to the outer contour of the pressure device 10 in the region of the radial projections 14a to 14d. Accordingly, the passage opening 52 at respective angular intervals of 90 ° corresponding radial recesses 54a to 54d.

In den Fig. 6 bis 8 ist die Druckvorrichtung 10 zur Bildung einer Vorrichtung zum Klemmen von Teilen, insbesondere in Stanzautomaten, in die Trägerplatte 50 eingesetzt. Das Führungselement 12 befindet sich in der Durchgangsöffnung 52, wobei die Radialvorsprünge 14a bis 14d in den Radialausnehmungen 54a bis 54d angeordnet sind. Vorzugsweise ist der Abstand zwischen den Außenwänden zweier gegenüberliegender radialer Ausnehmungen etwas geringer als der Abstand der Außenseiten zweier gegenüberliegender Radialvorsprünge, so dass die Zähne des Sägezahnprofils beim Einschieben der Druckvorrichtungen 10 in die Trägerplatte 50 einen Druck auf die Außenwände der Radialausnehmungen ausüben, der ein sicheres Halten der Druckvorrichtung 10 in der Durchgangsöffnung 52 sicherstellt.In the Fig. 6 to 8 the printing device 10 is used to form a device for clamping parts, in particular in stamping machines, in the carrier plate 50. The guide element 12 is located in the passage opening 52, wherein the radial projections 14a to 14d are arranged in the radial recesses 54a to 54d. Preferably, the distance between the outer walls of two opposite radial recesses is slightly less than the distance between the outer sides of two opposing radial projections, so that the teeth of the sawtooth profile when inserting the printing devices 10 in the support plate 50 exert pressure on the outer walls of the radial recesses, the secure holding the printing device 10 in the through hole 52 ensures.

Wenn die Druckvorrichtung 10 vollkommen in die Durchgangsöffnung 52 eingeschoben ist, liegt der Ringdeckel 18 an der Unterseite der Trägerplatte 50 an. Der Boden 26 des Führungselements 12 grenzt an die Oberseite der Trägerplatte 50 an, steht jedoch nicht über sie hinaus.When the printing device 10 is fully inserted into the through hole 52, the ring cover 18 is located on the underside of the support plate 50 at. The bottom 26 of the guide member 12 abuts the top of the carrier plate 50, but does not extend beyond it.

In Fig. 8 ist der Weg a gezeigt, den das zweite Teleskopelement 22 gegen die Druckkraft der Schraubenfeder 24 verschoben werden kann. Dieser Weg entspricht dem Abstand zwischen der Stirnseite des Kopfes 46 des zweiten Teleskopelementes 22 und dem Ringdeckel 18.In Fig. 8 the path a is shown, the second telescopic element 22 can be moved against the pressing force of the coil spring 24. This path corresponds to the distance between the end face of the head 46 of the second telescopic element 22 and the ring cover 18th

In Fig. 9 ist eine weitere Vorrichtung zur Klemmung von Teilen mit einer insgesamt rechteckigen Trägerplatte 50 dargestellt, wobei jeweils im Eckbereich der Trägerplatte 50 eine Druckvorrichtung 10a bis 10d angeordnet ist. An den freien Enden der zweiten Teleskopelemente 22 ist eine Klemmplatte 60 angebracht.In Fig. 9 a further device for clamping of parts is shown with an overall rectangular support plate 50, wherein in each case in the corner region of the support plate 50, a printing device 10a to 10d is arranged. At the free ends of the second telescopic elements 22, a clamping plate 60 is attached.

Die in den Figuren gezeigte Druckvorrichtung 10 weist zwei Teleskopelemente 20, 22 auf, es ist jedoch auch möglich, drei oder mehrere ineinander verschiebbare Teleskopelemente vorzusehen. The printing device 10 shown in the figures has two telescopic elements 20, 22, but it is also possible to provide three or more telescoping telescopic elements.

Claims (10)

  1. A device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools,
    - comprising a carrier plate (50) in which at least one through-hole (52) is formed, in which a compression device (10) is inserted having a guide element (12) in which a biased pressure rod means is guided slidably along its axis,
    characterized in that
    - the pressure rod means comprises at least two slidable telescopic elements (20, 22) arranged telescopically with respect to one another and protruding from the front side of the carrier plate (50), wherein the telescopic elements (20, 22) are slidable into the guide element (12) against the force of an elastic bias means (24).
  2. The device according to claim 1, characterized in that the guide element (12) does not protrude beyond the back side of the carrier plate (50).
  3. The device according to claims 1 or 2, characterized in that the guide element (12) comprises a cylindrical hollow body (13) from the outside of which at least two radial projections (14) extend, wherein at the outside of each of the two radial projections (14) there is provided a resilient sawtooth profile (16) having teeth which are inclined towards the front side of the carrier plate (10), and in that the inner cross section of the through-hole (52) is formed in complementary fashion to the outer cross section of the guide element (12) in the area of the radial projections (14).
  4. The device according to one of the preceding claims, characterized in that a circumferential flange extends outwardly from the cylindrical hollow body (13), which circumferential flange abuts on the front side of the carrier plate (50).
  5. The device according to claim 4, characterized in that through-holes are formed in the circumferential flange, wherein the screws for attaching the guide element to the carrier plate pass through the through-holes.
  6. The device according to claim 4, characterized in that attachment tongues (80, 82) abutting on the front side of the carrier plate (50) extend outwardly from the circumferential flange, wherein through-holes (84, 86) are formed in the attachment tongues (80, 82) and the screws for attaching the guide element (12) to the carrier plate (50) pass through the through-holes (84, 86).
  7. The device according to one of the claims 3 to 6, characterized in that the broadest telescopic element (20) is guided in the hollow body (12).
  8. The device according to claim 7, characterized in that the bias means is formed by a spring element (24), wherein one end thereof rests on the back-side bottom (26) of the hollow body (12) and the other end thereof rests on the foremost telescopic element (22).
  9. The device according to one of the preceding claims having several compression devices (10), characterized in that a pressure plate (60) is mounted at the free ends of the foremost telescopic elements (22).
  10. Compression device for attachment to a carrier plate (50) of a device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools comprising a guide element (12) in which a biased pressure rod means is guided slidably along its axis,
    characterized in that
    - the pressure rod means comprises at least two slidable telescopic elements (20, 22) arranged telescopically with respect to one another, wherein the telescopic elements (20, 22) are slidable into the guide element (12) against the force of an elastic bias means (24).
EP09000734A 2008-02-20 2009-01-20 Device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools Not-in-force EP2093023B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09000734T PL2093023T3 (en) 2008-02-20 2009-01-20 Device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008002306U DE202008002306U1 (en) 2008-02-20 2008-02-20 Device for clamping parts, in particular in stamping machines

Publications (2)

Publication Number Publication Date
EP2093023A1 EP2093023A1 (en) 2009-08-26
EP2093023B1 true EP2093023B1 (en) 2011-03-16

Family

ID=39432340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09000734A Not-in-force EP2093023B1 (en) 2008-02-20 2009-01-20 Device for clamping parts, in particular in automatic punching machines, breakaway tools and part separating tools

Country Status (6)

Country Link
EP (1) EP2093023B1 (en)
AT (1) ATE501813T1 (en)
DE (2) DE202008002306U1 (en)
DK (1) DK2093023T3 (en)
ES (1) ES2360401T3 (en)
PL (1) PL2093023T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2347871B1 (en) 2010-01-21 2016-03-30 Chespa Wykrojniki Sp. z o.o. Cutting die damper
DE202010004552U1 (en) * 2010-04-01 2010-08-05 Silcoplan Engineering Gmbh Disassembling pin and stripping tool with breakout pin
DE102011001477A1 (en) * 2011-03-22 2012-09-27 Joachim Jakob Device for breaking out
CN103567911B (en) * 2012-08-03 2015-06-24 苏州工业园区新明亚电子科技有限公司 Carrier pressing device
DE102014102832A1 (en) * 2014-03-04 2015-09-10 Cps-Bender Gbr (Vertretungsberechtigter Gesellschafter: Andreas Kurt Bender, 68789 St. Leon-Rot) Connecting element for at least two plate-shaped elements of a tool, use of a connecting element and punching or stripping tool
DE202014105263U1 (en) 2014-11-03 2014-11-13 Joachim Jakob spacer
DE102014115982A1 (en) 2014-11-03 2016-05-04 Joachim Jakob spacer
ES2964092T3 (en) * 2019-04-25 2024-04-04 Boxplan Gmbh A telescopic compression device and changing tool for flatbed die cutting machines, flatbed peeling machines, or part separator machines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE427155C (en) 1925-04-21 1926-03-27 Bruno Adler Cutting machine for paper and fabrics
DE202006017644U1 (en) 2006-11-20 2007-02-08 Karl Marbach Gmbh & Co. Kg Press clamping apparatus for use in automatic punching machine for cardboard boxes, has radial recesses, formed around radial passage of main board, which pass through radial projections around cylindrical base of guiding device

Also Published As

Publication number Publication date
ATE501813T1 (en) 2011-04-15
DE502009000444D1 (en) 2011-04-28
DE202008002306U1 (en) 2008-05-21
DK2093023T3 (en) 2011-06-27
ES2360401T3 (en) 2011-06-03
PL2093023T3 (en) 2011-07-29
EP2093023A1 (en) 2009-08-26

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