EP2093023B1 - Dispositif de serrage de pièces, notamment dans des automates de découpage, des outils de décorticage et outils de pièces - Google Patents

Dispositif de serrage de pièces, notamment dans des automates de découpage, des outils de décorticage et outils de pièces 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
Authority
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
Other languages
German (de)
English (en)
Other versions
EP2093023A1 (fr
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
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 Karl Marbach GmbH and Co KG filed Critical Karl Marbach GmbH and Co KG
Priority to PL09000734T priority Critical patent/PL2093023T3/pl
Publication of EP2093023A1 publication Critical patent/EP2093023A1/fr
Application granted granted Critical
Publication of EP2093023B1 publication Critical patent/EP2093023B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • B26D7/1818Means for removing cut-out material or waste by pushing out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means
    • B26D7/025Means for holding or positioning work with clamping means acting upon planar surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • B26F1/40Cutting-out; Stamping-out using a press, e.g. of the ram type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18Means for removing cut-out material or waste
    • B26D2007/189Mounting blanking, stripping and break-out tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details 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)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)
  • Details Of Cutting Devices (AREA)

Claims (10)

  1. Dispositif de serrage de pièces, notamment dans des automates de découpage, des outils de décorticage et des outils de séparation de pièces,
    comprenant une plaque de support (50) dans laquelle est formée au moins une ouverture de passage (52) dans laquelle est inséré un dispositif de pression (10) comprenant un élément de guidage (12) dans lequel un dispositif à tige de pression précontraint est guidé d'une manière permettant un déplacement le long de son axe,
    caractérisé en ce que
    le dispositif à tige de pression comprend au moins deux éléments télescopiques (20, 22) agencés et mobiles de manière télescopique l'un par rapport à l'autre qui font saillie sur le côté antérieur de la plaque de support (50), les éléments télescopiques (20, 22) pouvant être déplacés dans l'élément de guidage (12) dans le sens opposé à la force d'un dispositif de précontrainte élastique (24).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément de guidage (12) ne fait pas saillie sur le côté postérieur de la plaque de support (50).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'élément de guidage (12) comprend un corps creux cylindrique (13) comportant au moins deux saillies radiales (14) qui s'étendent depuis son côté extérieur et dont le côté extérieur est pourvu à chaque fois d'un profil élastique en dents de scie (16) dont les dents sont inclinées en direction du côté antérieur de la plaque de support (10), et en ce que la section intérieure de l'ouverture de passage (52) est exécutée de manière à être
    complémentaire de la section extérieure de l'élément de guidage (12) dans la zone des saillies radiales (14).
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'une bride circonférentielle, qui s'appuie sur le côté antérieur de la plaque de support (50), s'étend vers l'extérieur depuis le corps creux cylindrique (13).
  5. Dispositif selon la revendication 4, caractérisé en ce que la bride circonférentielle est pourvue d'ouvertures de passage qui sont traversées par des vis servant à fixer l'élément de guidage sur la plaque de support.
  6. Dispositif selon la revendication 4, caractérisé en ce que des pattes de fixation (80, 82) s'appuyant sur le côté antérieur de la plaque de support (50), dans lesquelles sont formées des ouvertures de passage (84, 86) qui sont traversées par des vis servant à fixer l'élément de guidage (12) sur la plaque de support (50), s'étendent vers l'extérieur depuis la bride circonférentielle.
  7. Dispositif selon l'une des revendications 3 à 6, caractérisé en ce que l'élément télescopique le plus large (20) est guidé dans le corps creux (12).
  8. Dispositif selon la revendication 7, caractérisé en ce que le dispositif de précontrainte est formé par un élément de ressort (24) qui s'appuie sur le fond du côté postérieur (26) du corps creux (12) avec une extrémité et s'appuie sur l'élément télescopique le plus en avant (22) avec l'autre extrémité.
  9. Dispositif selon l'une des revendications précédentes, comprenant plusieurs dispositifs de pression (10), caractérisé en ce qu'une plaque
    d'appui (60) est appliquée sur les extrémités libres des éléments télescopiques les plus en avant (22).
  10. Dispositif de pression pour la fixation sur une plaque de support (50) d'un dispositif de serrage de pièces, notamment dans des automates de découpage, des outils de décorticage et des outils de séparation de pièces, comprenant un élément de guidage (12) dans lequel un dispositif à tige de pression précontraint est guidé d'une manière permettant un déplacement le long de son axe,
    caractérisé en ce que
    le dispositif à tige de pression comprend au moins deux éléments télescopiques (20, 22) agencés et mobiles de manière télescopique l'un par rapport à l'autre qui peuvent être déplacés dans l'élément de guidage (12) dans le sens opposé à la force d'un dispositif de précontrainte élastique (24).
EP09000734A 2008-02-20 2009-01-20 Dispositif de serrage de pièces, notamment dans des automates de découpage, des outils de décorticage et outils de pièces Not-in-force EP2093023B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09000734T PL2093023T3 (pl) 2008-02-20 2009-01-20 Urządzenie do zakleszczania elementów, w szczególności w wykrojnikach, narzędziach do wybijania i narzędziach do rozdzielania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008002306U DE202008002306U1 (de) 2008-02-20 2008-02-20 Vorrichtung zum Klemmen von Teilen, insbesondere in Stanzautomaten

Publications (2)

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

Family

ID=39432340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09000734A Not-in-force EP2093023B1 (fr) 2008-02-20 2009-01-20 Dispositif de serrage de pièces, notamment dans des automates de découpage, des outils de décorticage et outils de pièces

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2347871B1 (fr) 2010-01-21 2016-03-30 Chespa Wykrojniki Sp. z o.o. Amortisseur de filière de découpage
DE202010004552U1 (de) * 2010-04-01 2010-08-05 Silcoplan Engineering Gmbh Ausbrechstift sowie Ausbrechwerkzeug mit Ausbrechstift
DE102011001477A1 (de) * 2011-03-22 2012-09-27 Joachim Jakob Vorrichtung zum Ausbrechen
CN103567911B (zh) * 2012-08-03 2015-06-24 苏州工业园区新明亚电子科技有限公司 载具压紧装置
DE102014102832A1 (de) * 2014-03-04 2015-09-10 Cps-Bender Gbr (Vertretungsberechtigter Gesellschafter: Andreas Kurt Bender, 68789 St. Leon-Rot) Verbindungselement für wenigstens zwei plattenförmige Elemente eines Werkzeugs, Verwendung eines Verbindungselements sowie Stanz- oder Ausbrechwerkzeug
DE202014105263U1 (de) 2014-11-03 2014-11-13 Joachim Jakob Abstandhalter
DE102014115982A1 (de) 2014-11-03 2016-05-04 Joachim Jakob Abstandhalter
US20220203566A1 (en) * 2019-04-25 2022-06-30 BOXPLAN GmbH & Co.KG A telescopic compression device and exchange tool of flat bed die-cutting machines, flat bed stripping machines or part separating machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE427155C (de) 1925-04-21 1926-03-27 Bruno Adler Schneidemaschine fuer Papier und Stoffe
DE202006017644U1 (de) 2006-11-20 2007-02-08 Karl Marbach Gmbh & Co. Kg Druckvorrichtung zur Klemmung von Teilen

Also Published As

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

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