EP1674171B1 - Logement pour un poinçon - Google Patents

Logement pour un poinçon Download PDF

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Publication number
EP1674171B1
EP1674171B1 EP05027710A EP05027710A EP1674171B1 EP 1674171 B1 EP1674171 B1 EP 1674171B1 EP 05027710 A EP05027710 A EP 05027710A EP 05027710 A EP05027710 A EP 05027710A EP 1674171 B1 EP1674171 B1 EP 1674171B1
Authority
EP
European Patent Office
Prior art keywords
punch
receptacle
aligning
operating portion
aligning element
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
EP05027710A
Other languages
German (de)
English (en)
Other versions
EP1674171A1 (fr
Inventor
Rainer Hank
Michael Tanch
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.)
Trumpf Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE 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 Trumpf Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Priority to PL05027710T priority Critical patent/PL1674171T3/pl
Publication of EP1674171A1 publication Critical patent/EP1674171A1/fr
Application granted granted Critical
Publication of EP1674171B1 publication Critical patent/EP1674171B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member

Definitions

  • the invention relates to a punch holder for attachment to a tool holder of a machine tool, in particular a punching machine, comprising a shaft and an integrated adjusting part with an adjusting element for aligning the punch holder with respect to a tool holder of the machine tool, wherein the shaft and the adjusting part have a punch insert receptacle and the adjusting part a Ausrichtelementam which at least partially intersects the punch insert receptacle, and wherein in the Ausrichtelement method an aligning element for positional assignment of the inserted punch insert with respect to the adjusting element in the direction of the axis of the Ausrichtelement technique is movably arranged.
  • Such a stamp recording is for example from the WO 02/45924 A1 known.
  • an alignment element receptacle is aligned obliquely to an axis of the stamp insert receptacle and at an angle to the alignment part plane.
  • a ball is displaceably mounted, which protrudes in an alignment position partially through an aperture opening into the punch insert receptacle.
  • the Ausrichtelement method opens into an actuating channel through which a separate Actuator is insertable to move the ball against a spring force and thus to bring out of engagement with a punch insert.
  • the actuating element must be introduced obliquely to the axis of the Ausrichtelementmethod, which makes the movement of the ball difficult.
  • the pamphlets US 3,156,479 . US 2,154,738 . US 1,979,059 . US 1,784,911 and US 2,107,581 disclose tool holders, no punch holders for attachment to a tool holder, which have a captive operating portion for an alignment.
  • Object of the present invention is to provide a stamp recording, with a simple change and alignment of punch inserts is made possible.
  • the actuating portion which is necessary for the change in position of the alignment, an integral part of the punch holder. If the actuating portion is formed as an actuating element, no additional tool is necessary for aligning the punch insert or for releasing the alignment.
  • the operating portion may be arranged in an actuating standby position on the adjusting part, so that the actuating portion can be actuated immediately if necessary. The actuating portion may thus be arranged in operative connection with the alignment element.
  • the operating portion is movable in the direction of the axis of the Ausrichtelementfact, an easier release of the alignment element is achieved.
  • the force acting on the alignment element can be introduced in its direction of movement, whereby the force input can be reduced compared to the prior art, where the force entry occurs obliquely.
  • actuating element this can act on the actuating section in the axial direction of the aligning element receptacle (or parallel thereto).
  • the actuating portion and the alignment element are aligned coaxially or at least along parallel axes.
  • the alignment element is movable against a restoring force. This means that to release the alignment element, this can be moved against a restoring force. If a punch insert is subsequently inserted, then the punch insert can be rotated in the punch insert receptacle until the punch insert is correctly aligned. In this position, the alignment moves automatically due to the restoring force back to its original position.
  • the actuating portion is arranged at least in sections in an adjoining the Ausrichtelementment technique actuating channel and protrudes beyond the Ausrichtelement method, wherein on the actuating portion a stop is provided which cooperates with a corresponding stop the Ausrichtelement matter.
  • a stop By the stop an end position of the actuating portion and thus of the alignment is determined.
  • the stop further causes the operating portion is held captive on the punch holder.
  • a user for example with a finger, can actuate the actuating section in order to move the aligning element within the aligning element holder. A user therefore does not need to thread a tool into the actuating channel for the positional change of the alignment element.
  • the adjusting part has a recess into which the actuating portion protrudes.
  • the adjusting part is designed such that the actuating portion does not have the edge or outer circumference protrudes from the adjustment. The operating section therefore does not hinder the installation of the punch holder in a tool holder.
  • the actuating portion has a mark for end position detection. This makes it possible to detect whether the punch insert is correctly aligned or not.
  • the alignment element has an alignment surface which cooperates with a corresponding alignment surface of a punch insert.
  • the alignment of the alignment element holder and the alignment surface on the alignment element are selected so that an alignment of the punch insert takes place in such a way that a defined position with respect to the adjustment element is set.
  • the alignment surface can be configured if the alignment element is substantially cylindrical and has a conical section whose surface forms the alignment surface.
  • Such a configuration has the advantage that the alignment element can be made in a simple manner as a turned part. Due to the conical configuration, the alignment element can be manufactured with larger tolerances.
  • stamp inserts which have a circular cutting edge, it does not depend on the orientation of the punch insert.
  • stamp inserts can be cylindrical and thus formed without alignment surface. So that these punch inserts can also be used in the punch holder, it is advantageous if the alignment element has a recess for receiving a punch insert without alignment surface.
  • the actuating portion and the alignment element are integrally formed.
  • the manufacture of the alignment element or actuating section can be simplified and, on the other hand, the assembly of a stamp receptacle is simplified, since the number of separate parts to be assembled is reduced.
  • the alignment element and / or the actuating portion have a guide portion, with which they are guided in the Ausrichtelementaid.
  • a particularly secure storage of the punch insert in the punch receptacle results when the punch insert receptacle extends into the shaft.
  • the punch insert receptacle can extend through the entire shaft.
  • a punch insert can first be inserted into the shaft, in order then to protrude from the adjusting part.
  • the punch insert can be held by suitable fastening measures, for example by screwing in the shaft in the punch holder.
  • the scope of the invention also includes a punch assembly having a punch holder and a punch insert suitable for use with the punch holder.
  • the invention also includes a punch insert, which in particular has an alignment surface.
  • the alignment surface may extend along a majority of the shaft of the punch insert, in particular up to the end facing away from the cutting edge.
  • the alignment surface may also be formed in a recess or recess of the punch insert, in particular as a groove base of a groove-like depression on the shaft of the punch insert.
  • a punch holder 1 which has a shaft 2 and an adjusting part 3 integrally connected thereto.
  • the shaft 2 and the adjusting part 3 are penetrated by a punch insert receptacle 4 into which a punch insert 5 is inserted.
  • the punch insert 5 has a cutting edge 6, which is aligned with respect to an adjusting element 7.
  • the punch holder 1 is aligned in a tool holder of a machine tool.
  • a recess 8 is formed, which can cooperate with corresponding holding means on the tool holder, so that the punch holder 1 attached to the tool holder can be.
  • the adjusting part 3 has a recess 9 into which an actuating element 10 designed as an actuating element protrudes.
  • the actuating portion 10 does not project laterally beyond the outer dimension of the adjusting part 3.
  • the actuating element 10 projects through an actuating channel 11 and is arranged to be movable in the plane of the adjusting part 3 or in a plane parallel thereto. '
  • the punch insert receptacle 4 is formed in the adjusting part 3.
  • an alignment element receptacle 15 is formed, the axis of which in the exemplary embodiment runs perpendicular to the axis of the punch insert receptacle 4.
  • the stamp insert receptacle 4 and the Ausrichtelement method 15 intersect in part, so that an opening between the receptacles 4, 15 is formed.
  • the punch insert 5 can thereby partially protrude into the Ausrichtelementam 15, in the embodiment with its alignment surface 16th
  • an alignment member 17 is arranged, which is movable along the axis of the Ausrichtelement method 15 against a restoring force.
  • the alignment element 17 is formed integrally with the actuating element 10.
  • the alignment element 17 has an alignment surface 18 which is formed by a conical section 19 of the alignment element 17.
  • the alignment member 17 further has a recess 20 for receiving a punch insert 5 without alignment surface 16, ie with a cylindrical shank on.
  • the alignment element 17 and thus the actuating portion 10 have an end position. In this end position is a stop 21 of the actuating portion 10 to a corresponding stop 22 of the Ausrichtelementtext 15.
  • the alignment member 17 has a guide portion 24, with which it is guided in the Ausrichtelementam 15.
  • the alignment element 17 is supported by a spring 25 on a threaded bolt 26. In a second end position, the alignment element 17 comes with its guide portion 24 in abutment with the threaded bolt 26th
  • the Ausrichtelement method 15 is aligned obliquely to an axis of the adjusting element 7. However, the orientation of the alignment element receptacle 15 and the alignment surface 16 are selected so that the punch insert 5 comes into a defined position with respect to the adjusting element 7, in particular that the cut edges 6 of the punch insert 5 are aligned correctly.
  • the alignment member 17 and the guide portion 24 can thereby be moved axially in the Ausrichtelementaid 15 against the spring force of the spring 25. If the bolt is thereby displaced into the end position in which the guide section 24 contacts the threaded bolt 26, the recess 20 lies at the interface between the aligning element receptacle 15 and the punch insert receptacle 4. In this position, a punch insert can be introduced into the stamp insert receptacle 4 and pushed through ,
  • Stamp inserts 5 with an alignment surface 16 are pre-aligned during insertion.
  • the alignment surface 16 is brought into coincidence with the opening between the two receptacles 4, 15.
  • the actuating portion 10 is no longer actuated, so that the alignment element 17 endeavors to assume its initial position due to the restoring force.
  • the spring 25 shifts the alignment element 17. Due to the well-defined shape of the alignment surface 18 and the well-defined position of the Ausrichtelementaid 15 of the punch insert 5 via the alignment surface 16 in a defined position to the adjusting element 7, which may be formed as Justierkeil can, brought. This defined position is the correct orientation of the cutting edge of the punch insert 5 with respect to the machine tool.
  • the alignment surface 18 is performed on the alignment 17 conical.
  • the alignment member 17 acts like a wedge, which forces the alignment surface 16 of the punch insert 5 in the correct position.
  • the alignment element 17 and thus the actuating portion 10 can not be completely returned to the starting position by the spring force. In this case, it can be visually determined that the actuating portion 10 is not in the end position in the recess or recess 9 of the adjusting part 3. By means of corresponding markings 10a on the actuating section 10, this can be recognized even more clearly.
  • the end position of the actuating portion 10 serves to allow a user to check the correct installation of the punch insert 5.
  • stamp inserts with round cutting edges usually have no alignment surface 16.
  • the alignment member 17 in addition to the conical alignment surface 18 in addition to a recess 20.
  • the recess 20 In the end position of the alignment element 17 on the threaded bolt 26, the recess 20 is opposite the intersection of the receptacles 4, 15.
  • a punch insert with a substantially cylindrical shape can now be introduced.
  • the spring 25 can then only push back the alignment element 17 until the edge 27 bears against the shaft of the punch insert 5.
  • the punch insert 5 If the punch insert 5 is correctly aligned, it can be fixed in the punch insert receptacle 4 by means of a threaded screw 30. To remove the punch insert 5, the threaded screw 30 must be simply unscrewed with a tool and the actuating portion 10 is pressed lightly against the spring force of the spring 25 with the finger. Further steps are not required.
  • Fig. 3 is a longitudinal section through the punch holder 1 is shown.
  • the punch insert 5 is widened so that it can not fall through the punch insert receptacle 4.
  • a threaded screw 30 By a threaded screw 30, it can be fixed in position.
  • the punch insert 5 is designed such that its alignment surface 16 is in a defined position with respect to the cutting edge 6.
  • the alignment surface 16 may be formed only in a shaft portion or extending over the entire shaft length of the punch insert 5.
  • the adjusting part 3 has no recess.
  • the actuating channel 11 has two sections 11.1, 11.2, wherein the actuating section 10 is guided in section 11.1.
  • the actuating portion 10 only projects into the actuating channel 11, without protruding beyond it or the adjusting part 3.
  • a separate actuator may be inserted into the portion 11.2 of the actuating channel 11 and engage the actuating portion 10 to axially displace the actuating portion 10 and thus the alignment member 17. If the section 11.2 of the actuating channel 11 is formed large enough, a user can also attack with a finger directly on the actuating portion 10. In such a case, this represents the actuating element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Physical Vapour Deposition (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Facsimile Heads (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (15)

  1. Logement (1) de poinçon, conçu pour être fixé à un logement d'outillage d'une machine-outil, en particulier d'une machine de poinçonnage, comprenant un fût (2) et une pièce intégrée de réglage (3) munie d'un élément de réglage (7) pour aligner le logement (1) de poinçon par rapport à un logement d'outillage de la machine-outil, sachant que la pièce de réglage (3) comporte un logement (4) d'insert de poinçonnage et un logement (15) d'élément d'alignement qui coupe, au moins en partie, ledit logement (4) d'insert de poinçonnage, et sachant que ledit logement (15) renferme, avec faculté de mouvement dans la direction de l'axe dudit logement (15), un élément d'alignement (17) affecté à l'assignation de la position de l'insert de poinçonnage (5) devant être intégré, vis-à-vis de la pièce de réglage (3), caractérisé par le fait qu'une zone (10) d'actionnement de l'élément d'alignement (17), arrangé de manière imperdable sur la pièce de réglage (3), peut être manoeuvrée en direction de l'axe du logement (15) de l'élément d'alignement.
  2. Logement de poinçon, selon la revendication 1, caractérisé par le fait que la zone d'actionnement (10) est réalisée sous la forme d'un élément d'actionnement.
  3. Logement de poinçon, selon la revendication 1 ou 2, caractérisé par le fait que l'élément d'alignement (17) est mobile en opposition à une force de rappel.
  4. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que la zone d'actionnement (10) peut être manoeuvrée, et animée d'une translation, dans le plan de la pièce de réglage ou dans un plan parallèle au plan précité.
  5. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que la zone d'actionnement (10) est logée, au moins par régions, dans un canal d'actionnement (11) se rattachant au logement (15) de l'élément d'alignement, et fait saillie au-delà dudit logement (15) de l'élément d'alignement, une butée (21), prévue sur ladite zone d'actionnement (10), coopérant avec une butée correspondante (22) dudit logement (15) de l'élément d'alignement.
  6. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que la pièce de réglage (3) présente une dépouille (9) dans laquelle la zone d'actionnement (10) s'engage.
  7. Logement de poinçon, selon l'une des revendications 1 à 5, caractérisé par le fait que la zone d'actionnement (10) est intégralement logée dans la pièce de réglage (3).
  8. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait qu'un repère d'identification de positions extrêmes est prévu sur la zone d'actionnement (10).
  9. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que l'élément d'alignement (17) possède une surface d'alignement (18) qui coopère avec une surface correspondante d'alignement (16) d'un insert de poinçonnage (5).
  10. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que l'élément d'alignement (17) est de réalisation pour l'essentiel cylindrique, et comporte une région tronconique (19) dont la surface matérialise la surface d'alignement (18).
  11. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que l'élément d'alignement (17) présente une dépouille (20) conçue pour recevoir un insert cylindrique de poinçonnage (5).
  12. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que l'élément d'alignement (17) et la zone d'actionnement (10) sont réalisés d'un seul tenant.
  13. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que l'élément d'alignement (17) et/ou la zone d'actionnement (10) présente(nt) un tronçon de guidage (24) par lequel ledit élément et/ou ladite zone est (sont) guidé(e)(s) dans le logement (15) dudit élément d'alignement.
  14. Logement de poinçon, selon l'une des revendications précédentes, caractérisé par le fait que le logement (4) de l'insert de poinçonnage s'étend jusque dans le fût (2).
  15. Arrangement de poinçon comprenant un logement de poinçon selon l'une des revendications précédentes, et un insert de poinçonnage se prêtant à l'utilisation avec ledit logement de poinçon.
EP05027710A 2004-12-27 2005-12-19 Logement pour un poinçon Not-in-force EP1674171B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05027710T PL1674171T3 (pl) 2004-12-27 2005-12-19 Uchwyt stempla

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202004019977U DE202004019977U1 (de) 2004-12-27 2004-12-27 Stempelaufnahme

Publications (2)

Publication Number Publication Date
EP1674171A1 EP1674171A1 (fr) 2006-06-28
EP1674171B1 true EP1674171B1 (fr) 2008-07-16

Family

ID=35583403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05027710A Not-in-force EP1674171B1 (fr) 2004-12-27 2005-12-19 Logement pour un poinçon

Country Status (5)

Country Link
EP (1) EP1674171B1 (fr)
AT (1) ATE401147T1 (fr)
DE (2) DE202004019977U1 (fr)
ES (1) ES2310316T3 (fr)
PL (1) PL1674171T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006002547B4 (de) * 2005-12-07 2012-03-08 Dietz Maschinen- Und Werkzeugbau Gmbh Stanzwerkzeug, insbesondere für Stanzmaschinen mit Werkzeugwechselvorrichtungen
DE102018120500A1 (de) * 2018-08-22 2020-02-27 Tox Pressotechnik Gmbh & Co. Kg Adapterelement für eine Anbringung eines Matrizenhalters an eine Werkzeugzange

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1784911A (en) * 1927-05-06 1930-12-16 Jr Michael J Schlitters Tool-retaining device
US2107581A (en) * 1932-10-31 1938-02-08 John H Parsons Tool retainer
US1979059A (en) * 1933-01-30 1934-10-30 Wallman Carl Birger Punch retainer
US2154738A (en) * 1934-10-19 1939-04-18 Fisher W Reuen Punch holder
US3156479A (en) * 1963-04-05 1964-11-10 Drazick John Locking device
DE19508091C1 (de) * 1995-03-08 1996-04-18 Mate Punch And Die Gmbh Stanzstempeleinheit
GB2349596A (en) * 1999-05-04 2000-11-08 Tradewise Engineering Ltd Universal punch holder adaptor for punching machines
DE10060339B4 (de) * 2000-12-04 2016-11-24 Mate Precision Tooling Inc. Haltevorrichtung für Stanzwerkzeugeinsatz

Also Published As

Publication number Publication date
PL1674171T3 (pl) 2009-01-30
ATE401147T1 (de) 2008-08-15
DE502005004719D1 (de) 2008-08-28
DE202004019977U1 (de) 2006-05-04
EP1674171A1 (fr) 2006-06-28
ES2310316T3 (es) 2009-01-01

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