EP0180146A2 - Poinçonneuse - Google Patents

Poinçonneuse Download PDF

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Publication number
EP0180146A2
EP0180146A2 EP85113491A EP85113491A EP0180146A2 EP 0180146 A2 EP0180146 A2 EP 0180146A2 EP 85113491 A EP85113491 A EP 85113491A EP 85113491 A EP85113491 A EP 85113491A EP 0180146 A2 EP0180146 A2 EP 0180146A2
Authority
EP
European Patent Office
Prior art keywords
punch
punching tools
receptacles
punching
machine tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85113491A
Other languages
German (de)
English (en)
Other versions
EP0180146A3 (en
EP0180146B1 (fr
Inventor
Karl Schink
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.)
Muhr und Bender KG
Original Assignee
Muhr und Bender 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6249349&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0180146(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Muhr und Bender KG filed Critical Muhr und Bender KG
Priority to AT85113491T priority Critical patent/ATE49520T1/de
Publication of EP0180146A2 publication Critical patent/EP0180146A2/fr
Publication of EP0180146A3 publication Critical patent/EP0180146A3/de
Application granted granted Critical
Publication of EP0180146B1 publication Critical patent/EP0180146B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17393—One movable side
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17863—Shouldered-tang holding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8828—Plural tools with same drive means
    • Y10T83/8831—Plural distinct cutting edges on same support
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9476—Tool is single element with continuous cutting edge [e.g., punch, etc.]

Definitions

  • the invention relates to a machine tool, in particular a punch, with a vertically movable upper tool carrier with at least two punching tools arranged next to one another and a lower tool carrier with at least two punching dies arranged next to one another, each punching tool preferably comprising a punch, a punch holder and a punch with the punch holder connecting union nut.
  • Machine tools of the type in question are known in various embodiments.
  • the invention is based on a punch known from practice with three punching tools arranged directly next to one another at a fixed distance from one another and which can be driven by the drive slide depending on the desired hole diameter.
  • a workpiece to be machined can always be positioned in relation to the selected punching tool in such a way that the hole with the desired hole diameter is punched into the desired location (see the brochure "MUBEA - COORDINATE TABLE" B 0475 from the applicant from 1975) .
  • the punching tools are arranged as close to one another as possible.
  • an upper tool carrier is realized with a single punch, from which, in the open position, the punch, that is to say the punch, punch holder and union nut, can be pulled out in one go.
  • the punch can be loosened from the punch holder with the punch removed, or the punch as a whole can even be exchanged for another punch at short notice, with the punch then being replaced at a different location, for example in a spare parts store (see the "MUBEA brochure VARIOCUT "RU 0884 of the applicant).
  • To open and close a so-called closure pot is provided in the tool holder of this machine tool with only a single punch.
  • the sealing pot has a vertically extending insertion slot, through which the punching tool can be inserted or inserted horizontally into a punch receptacle of the upper tool carrier.
  • the sealing pot is fastened to the tool carrier so as to be rotatable about a vertical axis, so that the insertion slot can be moved from the end face of the upper tool carrier into the interior of the tool carrier.
  • the upper tool carrier can thus be closed by rotating the locking pot.
  • the teaching of the invention is based on the object, as in the case of a machine tool, in particular a punch, with two and more punching dies, taking into account the limited space in the upper tool carrier, a quick changing of a punching punch and / or all Stamping is possible.
  • the machine tool according to the invention in which the above-mentioned object is achieved, is characterized in that the upper tool carrier has a receiving plate with a number of stamp receptacles arranged next to one another corresponding to the number of punching tools, that the stamp receptacles are open towards the end face of the upper tool carrier and so on the upper ends of the punching tools or the punch holder of the punching tools can be inserted or inserted essentially horizontally into the punch receptacles and that a closure cap which closes all punch receptacles at the open ends is provided and can be locked with the receiving plate.
  • a stamp holder is provided for each punching tool in the receiving plate, which is open towards the front side of the upper tool carrier.
  • These stamp receptacles can be moved closer together to the minimum of wall thickness that is absolutely necessary in terms of construction.
  • these stamp receptacles are not closed by individual rotatable closure pots, but rather by a closure cap which is effective for all stamp receptacles.
  • the open ends of all stamp receptacles in the mounting plate are closed with one handle. All punching tools are thus secured in the stamp holders.
  • all of the stamp receptacles are opened and the punching tools in the stamp receptacles can simply be pulled out toward the front of the tool carrier.
  • the upper tool carrier 1 is important for the teaching of the invention, so that the lower tool carrier 3 is not to be explained in more detail here.
  • the lower tool carrier 3 in its special configuration is the subject of patent application P 34 32 671.5 by the applicant, the disclosure content of which is hereby also made the disclosure content of the present patent application.
  • each punch 2 of the upper tool carrier 1 in the illustrated embodiment of a machine tool consists of a punch 5, a punch holder 6 and a union nut 7 connecting the punch 5 to the punch holder 6 the union nut 7, the punch 5 can be released from the punch holder 6.
  • FIG. 1 Not shown in FIG. 1 is the device which makes it possible to "activate” the desired punch 2 or the desired punch 2.
  • a suitable system is known for example from DE-OS 29 40 661, so that reference may be made to this publication.
  • FIG. 1 clearly shows that the three punching tools 2 provided in the machine tool shown are arranged as close as possible to one another, so that a coordinate table, not shown in FIG. 1, covers the shortest possible travel paths when positioning a workpiece, not shown, under different punching tools 2 Has.
  • the punching tools 2 can each be removed overall from the upper tool carrier 1, namely pulled out towards the end face of the upper tool carrier 1.
  • the upper tool carrier 1 has a receiving plate 8 with a number of stamp receptacles 9 arranged next to one another which corresponds to the number of punching tools 2. This is shown very clearly in FIG. 3 in connection with FIG. 1.
  • the stamp receptacles 9 in the receiving plate 8 are open towards the end face of the upper tool carrier 1, so that the upper ends of the punching tools 2 or the punch holder 6 of the punching tools 2 can be inserted or inserted essentially horizontally into the punch receptacles 9.
  • FIG. 3 shows in connection with FIG. 1 that a closure cap 10 which closes all stamp receptacles 9 at the open ends is provided and can be locked with the receiving plate 8.
  • the punching tools 2 can be pulled out quickly and easily towards the front, towards the front side of the upper tool carrier 1, out of the punch receptacles 9, exchangeable and reinserted or used again.
  • a punch 2 consists of punch 5, punch holder 6 and union nut 7, the union nut 7 can be loosened on the punch 2 separated from the upper tool carrier 1, that is to say with sufficient space for handling.
  • the punching tool 2 can also be replaced as a whole, in which case the punch 5 may then be exchanged for another punch 5 at a remote location, for example in a spare parts store.
  • stamping tools 2 and the upper tool carrier 1 in detail can be done in different ways.
  • a particularly preferred exemplary embodiment is shown in connection with FIGS. 1 to 5. It is particularly expedient if, as shown in FIG. 2, the upper ends of the punching tools 2 or the punch holder 6 of the punching tools 2 are provided with hammer-head-like extensions 11. and if, as is particularly clear in FIG. 3 Lich recognizable, the mounting plate 8 and preferably also the cap 10 in the stamp receptacles 9 are provided with corresponding to the hammer head-like extensions 11 support flanges 12.
  • the punch holders 6 of the punching tools 2 come to rest on the corresponding support flanges 12, so that the punching tools 2 cannot slide out of the upper tool holder 1, that is to say from the punch receptacles 9 in the receiving plate 8, at least then not when the cap 10 is closed.
  • the punching tools 2 can be lifted upwards from the support flanges 12 in the exemplary embodiment shown here, which is intended to function, since the punching tools 2 which are not “activated” at the moment can deflect upwards when they strike a workpiece.
  • the extensions 11 and support flanges 12 are not arranged on all sides of the stamp holder 6 or stamp receptacles 9.
  • the extensions 11 are seen here in the insertion direction of the punching tools 2 (arrow in FIGS. 3 and 2) essentially only on the front and rear sides of the upper ends of the punching tools 2 or the stamp holder 6 of the stamping tools 2 is formed and accordingly the support flanges 12 are formed essentially only on the one hand at the closed ends of the stamp receptacles 9 in the receiving plate 8, and on the other hand on the stamp receptacles 9 at the open ends closing cap 10.
  • the wall thicknesses remaining between the stamp receptacles 9 in the receiving plate 8 are as small as is possible for constructional reasons, so that the lateral distances between the punching tools 2 are minimal. This has the operational advantages explained above.
  • the closure cap 10 can be locked with the mounting plate 8. This is just a statement about the state with the cap 10 closed.
  • the cap 10 for opening the stamp receptacles 9 can be completely removed from the receiving plate 8.
  • the closure cap 10 is pivotally articulated on the mounting plate 8, in the preferred exemplary embodiment shown on a transverse side of the mounting plate 8, and by means of a locking device 13, in the preferred exemplary embodiment shown, on the opposite transverse side the mounting plate 8 arranged locking device 13, lockable with the mounting plate 8.
  • Fig. 1 clearly shows that the pivotable articulation of the cap 10 on the transverse side of the mounting plate 8 by means of a grub screw 14 fixed to the mounting plate 8 bearing pin 15 which engages up and down in bearing eyes 16 of the cap 10 .
  • the locking device 13 provided on the opposite transverse side of the mounting plate 8 in the illustrated embodiment consists in the illustrated embodiment of a locking bolt 17 pivotally articulated on the mounting plate 8 in the horizontal plane and a locking receptacle 18 provided on the closure cap 10 and open on one side towards the transverse side the locking bolt 17 can be pivoted into the locking receptacle 18 and, in the exemplary embodiment shown, can be tightened by means of a clamping nut 19.
  • the clamping nut 19 is only shown as an example, as is the specific configuration of the locking device 13. There are of course a multitude of other possibilities for designing the locking device 13. Nevertheless, the design of the locking device 13 shown is particularly expedient in terms of handling.
  • a locking bolt with a clamping head that is under the spring load of a tension spring is recommended as a suitable alternative to a clamping nut 19.
  • a kind of snap lock can thus be implemented.
  • the locking device 13 previously explained in detail in connection with the closure cap 10 can also on both cross Realize sides of the mounting plate 8, in which case the cap 10 would be completely removable from the mounting plate 8.
  • FIG. 2 shows in connection with FIG. 4 a special feature of the preferred exemplary embodiment of a machine tool according to the invention shown here.
  • the extensions 11 at the upper ends of the punching tools 2 or the punch holder 6 of the punching tools 2 are chamfered on the sides facing away from the pivot point of the closure cap 10 approximately from the center towards the open ends of the punch receptacles 9 .
  • the bevels of the extensions 11 are necessary if the smallest possible tolerances are achieved between the outer dimensions of the extensions 11 and the inner dimensions of the stamp receptacles 9 and if the closure cap 10 is pivotably articulated on one side on the mounting plate 8. Then namely in the absence of the bevels 20, the cap 10 would jam immediately upon opening.
  • the illustrated embodiment of a machine tool according to the invention is designed in such a way that the mounting plate 8 has a frame 21 projecting toward the end face of the upper tool carrier 1 and having through openings 22 for the upper ends of the punching tools 2 and the punch holder 6 Punching tools 2 has.
  • the closure cap 10 can be pivoted under the frame 21 to the mounting plate 8.
  • an essentially smooth end face of the upper tool carrier 1 is thus provided.
  • the drawing shows a punch with three punching tools as a preferred embodiment of a machine tool.
  • the invention is not limited to a punch, but can also be used, for example, in a machine tool with two or more ratcheting tools.
  • the teaching of the invention can in fact be used wherever several tools are arranged close to one another, that is to say in confined spaces, in a tool carrier and nevertheless are to be exchanged quickly and without problems.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Turning (AREA)
EP19850113491 1984-11-02 1985-10-24 Poinçonneuse Expired - Lifetime EP0180146B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85113491T ATE49520T1 (de) 1984-11-02 1985-10-24 Stanze.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3440093 1984-11-02
DE3440093A DE3440093A1 (de) 1984-11-02 1984-11-02 Werkzeugmaschine, insbesondere stanze

Publications (3)

Publication Number Publication Date
EP0180146A2 true EP0180146A2 (fr) 1986-05-07
EP0180146A3 EP0180146A3 (en) 1987-06-16
EP0180146B1 EP0180146B1 (fr) 1990-01-17

Family

ID=6249349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850113491 Expired - Lifetime EP0180146B1 (fr) 1984-11-02 1985-10-24 Poinçonneuse

Country Status (5)

Country Link
US (1) US4646604A (fr)
EP (1) EP0180146B1 (fr)
AT (1) ATE49520T1 (fr)
DE (2) DE3440093A1 (fr)
ES (1) ES8700583A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637488C1 (de) * 1986-11-04 1988-02-25 Muhr & Bender Oberer Werkzeugtraeger fuer eine Stanze od.dgl.
DE3637486C1 (de) * 1986-11-04 1988-03-31 Muhr & Bender Oberer Werkzeugtraeger fuer eine Stanze od.dgl.
US4928377A (en) * 1988-11-08 1990-05-29 Muhr Und Bender Maschinenbau Gmbh Machine tool
DE3844681A1 (de) * 1988-11-08 1990-06-21 Muhr & Bender Werkzeugmaschine
EP3778059A1 (fr) * 2019-08-13 2021-02-17 Schleuniger AG Dispositif de réception d'outil, machine de travail pourvue de dispositif de réception d'outil ainsi que procédé de positionnement d'un outil sur un dispositif de réception d'outil

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461195B (sv) * 1988-04-25 1990-01-22 Pullmax Ab Verktygsfaeste foer stansverktyg med valbart aktiverbara stansar
CN102310141A (zh) * 2011-09-01 2012-01-11 天津大田包装容器有限公司 一种用于钢桶桶口铆压锁装的双工位铆压模具
CN110926900A (zh) * 2019-12-12 2020-03-27 首钢京唐钢铁联合有限责任公司 一种冲样机及其冲样模具

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7227912U (de) * 1972-12-14 W Whitney Corp Stanzwerkzeughalter an Stanzpressen
NL299765A (fr) * 1900-01-01
US1569136A (en) * 1925-03-27 1926-01-12 Anthracite Separator Co Tool holder
US1591377A (en) * 1925-11-11 1926-07-06 Ingersoll Rand Co Broaching attachment for rock drills
US1646090A (en) * 1926-09-23 1927-10-18 Ingersoll Rand Co Broaching attachment
GB327828A (en) * 1928-11-30 1930-04-17 Samuel Beattie Improvements in tool chucks and tools for coal cutters and the like
US2627803A (en) * 1948-03-02 1953-02-10 Pannier Bros Stamp Company Die holder for pneumatic marking hammers and the like
US2616712A (en) * 1949-12-07 1952-11-04 Mueller Otto Punch-retaining assembly
DE1004891B (de) * 1952-07-02 1957-03-21 Alois Jarma Dipl Ing Schnellwechseleinrichtung fuer Werkzeuge in Maschinen mit auf und ab gehendem Druckstoessel
US2896530A (en) * 1957-12-06 1959-07-28 James G Bernard Bowling ball marker
FR2221271B1 (fr) * 1973-01-04 1976-05-14 Beauplat Philippe
FR2389425B1 (fr) * 1977-05-03 1981-02-27 Bo Ermanno
US4176991A (en) * 1978-03-23 1979-12-04 Egli Henry O Hinged tool holder

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637488C1 (de) * 1986-11-04 1988-02-25 Muhr & Bender Oberer Werkzeugtraeger fuer eine Stanze od.dgl.
DE3637486C1 (de) * 1986-11-04 1988-03-31 Muhr & Bender Oberer Werkzeugtraeger fuer eine Stanze od.dgl.
US4827758A (en) * 1986-11-04 1989-05-09 Muhr Und Bender Upper tool support for a stamping machine or the like
US4836009A (en) * 1986-11-04 1989-06-06 Muhr Und Bender Upper tool support for a stamping machine or the like
EP0266625A3 (en) * 1986-11-04 1990-01-10 Firma Muhr Und Bender Upper tool holder for a punch or the like
US4928377A (en) * 1988-11-08 1990-05-29 Muhr Und Bender Maschinenbau Gmbh Machine tool
DE3844681A1 (de) * 1988-11-08 1990-06-21 Muhr & Bender Werkzeugmaschine
EP0367920A3 (fr) * 1988-11-08 1990-12-12 Muhr Und Bender Maschinenbau Gmbh Machine-outil
EP3778059A1 (fr) * 2019-08-13 2021-02-17 Schleuniger AG Dispositif de réception d'outil, machine de travail pourvue de dispositif de réception d'outil ainsi que procédé de positionnement d'un outil sur un dispositif de réception d'outil
CN112388387A (zh) * 2019-08-13 2021-02-23 施洛伊尼格股份公司 刀具容纳装置，具有刀具容纳装置的机床及将刀具定位在刀具容纳装置上的方法
US11541524B2 (en) 2019-08-13 2023-01-03 Schleuniger Ag Tool-holding device, work machine with the tool-holding device, as well as a method for positioning a tool on a tool-holding device
CN112388387B (zh) * 2019-08-13 2024-05-14 施洛伊尼格股份公司 刀具容纳装置，具有刀具容纳装置的机床及将刀具定位在刀具容纳装置上的方法

Also Published As

Publication number Publication date
US4646604A (en) 1987-03-03
ATE49520T1 (de) 1990-02-15
DE3440093A1 (de) 1986-05-07
EP0180146A3 (en) 1987-06-16
EP0180146B1 (fr) 1990-01-17
ES548288A0 (es) 1986-11-16
ES8700583A1 (es) 1986-11-16
DE3575385D1 (de) 1990-02-22

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