EP0879656A1 - Vorrichtung zum Herstellen durch Stanzen eines kegelstumpförmigen Lochs in einem Metallbandmaterial insbesondere einer Stulpschiene - Google Patents

Vorrichtung zum Herstellen durch Stanzen eines kegelstumpförmigen Lochs in einem Metallbandmaterial insbesondere einer Stulpschiene Download PDF

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Publication number
EP0879656A1
EP0879656A1 EP98440095A EP98440095A EP0879656A1 EP 0879656 A1 EP0879656 A1 EP 0879656A1 EP 98440095 A EP98440095 A EP 98440095A EP 98440095 A EP98440095 A EP 98440095A EP 0879656 A1 EP0879656 A1 EP 0879656A1
Authority
EP
European Patent Office
Prior art keywords
headrest
orifice
strip material
punch
frustoconical
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
EP98440095A
Other languages
English (en)
French (fr)
Other versions
EP0879656B1 (de
Inventor
Roland Sinteff
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.)
Ferco International Usine de Ferrures de Batiment
Original Assignee
Ferco International Usine de Ferrures de Batiment
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 Ferco International Usine de Ferrures de Batiment filed Critical Ferco International Usine de Ferrures de Batiment
Publication of EP0879656A1 publication Critical patent/EP0879656A1/de
Application granted granted Critical
Publication of EP0879656B1 publication Critical patent/EP0879656B1/de
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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/04—Stamping using rigid devices or tools for dimpling

Definitions

  • the invention relates to a tool for shaping by stamping of a frustoconical mouth opening in a metallic strip material intended in particular for design of a locking fitting faceplate or the like for door, window or other, comprising at least one punch and one matrix.
  • the invention also relates to a headrest comprising at least one orifice with a frustoconical mouth shaped by stamping using this tool.
  • the present invention relates, more particularly, to the field of hardware of the building.
  • a headrest intended to house the organs of the locking, in particular an operating rod coming lodge, for example, in a groove made at the periphery of a opening corresponding to a door, window or the like.
  • organs fixing such as screws
  • the screws usually used are of the countersunk head type, which comes to be housed in the frustoconical mouth of the screw passage opening present in the headrest.
  • this process consists in making in this material by strip, first of all, an orifice whose section is slightly greater than that which it must ultimately have. Then at during a second operation, we come to realize the mouth frustoconical by means of an appropriately shaped punch leading to material creep at the bottom of the orifice direction of the axis of the latter, whose section becomes, from suddenly, more reduced.
  • This creep of the material is controlled by means a matrix comprising, on its upper face, a crown circular having a triangular section whose apex is directed towards the underside of the strip material to be shaped and which defines, during the stamping operation, a circular groove concentric with the orifice on this face lower of said strip material.
  • the present invention is intended to respond to the problems aforementioned through a tool for controlling, perfectly, the creep of the metal during the drawing, in a single operation, from a frustoconical mouth opening in a strip material, such as a headrest.
  • the invention further relates to a headrest including locking fitting or the like formed by stamping using the tools according to the invention.
  • This headrest comprising at least one orifice with a frustoconical mouth is characterized in that it comprises on its rear face and in edge of the hole a boss which is located with the axis of said orifice in alignment parallel to the longitudinal axis of said headrest.
  • the inventive step corresponding to the present invention results from the fact that one comes to control the creep of the metal so that it defines, on the face back of the headrest, a boss which ultimately does not interfere with no way the displacement of a possible rod of maneuver sheltered by this headrest.
  • said rod necessarily comprises, an oblong opening allowing the passage of said screw fixing, while allowing the free movement of this rod. Consequently, this boss agrees with this oblong opening in the rod and can, in a certain measure, improve the axial guidance of the latter.
  • the present invention relates to a tool 1 for shaping by stamping an orifice 2 with a frustoconical mouth 3 in strip metal material 4 for design, plus particularly, of a headrest 5 of locking fitting or analogous for door, window or other.
  • such a headrest 5 very often comes lodge in a notch or in a groove made in rebate of an opening, or in some cases of a frame sleeping, from such a door or window. Maintaining a position of this headrest 5 is usually provided by organs fastening, of the countersunk screw type, through, specifically, an orifice 2 formed in said headrest 5 for come and stay in the carpentry, whether it is wooden, synthetic or metallic type.
  • the orifices 2 formed in this headrest includes a mouth 3 of frustoconical shape for receiving the milled heads of the screws.
  • this rod operation 7 comprises oblong openings 8 allowing, precisely, the passage of these fasteners, while allowing free movement of said operating rod 7.
  • tool 1 more particularly intended for shaping by stamping of such a port 2 with a mouthpiece frustoconical 3, it includes at least one punch 9 and a matrix 10.
  • the punch 9 comprises a part cylindrical 11 of diameter 12 adjusted to the diameter 13 of the orifice 2 to be formed in the strip material 4, plus particularly in the headrest 5.
  • This cylindrical part 11 constitutes the extension of a frustoconical part 14 of form suitable for the design by stamping the mouthpiece tapered 3.
  • this has a bore 15 of section 16 adjusted to that of the cylindrical part 11 of the punch 9, this bore 15 having, at its wall 17, at least one groove 18 emerging at least on the face upper 19 of the matrix 10 opposite said material in strip 4 to be shaped.
  • axis 20 of the bore 15 and the groove or grooves 18 are located in a alignment 21 substantially parallel to the longitudinal axis 22 of the strip material 4.
  • the matrix 10 includes at least two grooves 18, 18A formed so diametrically opposite at the level of the wall 17 of the bore 15.
  • the axis 20 of the bore 15 and the grooves 18, 18A of the matrix 10 are located in a corresponding alignment, substantially, in the longitudinal median plane of this headrest 5 when it is placed at the level of tool 1.
  • the shaping operation by stamping of an orifice 2 with a frustoconical mouth 3 can be carried out in a single stamping pass, insofar as the punch 9 makes it possible to simultaneously define the orifice 2 in its final dimensions and said frustoconical mouth 3.
  • the creep of the metal resulting from the punching of this frustoconical mouth 3 is perfectly controlled and content through the matrix 10.
  • this creep of the material comes to define bosses 23, 23A at the level of the rear face 24 of the strip material 4, more particularly of the headrest 5.
  • bosses 23, 23A defined on the rear face 24 of the headrest 5 are located on the edge of orifice 2, more particularly on either side of this last, in the longitudinal axis 22 of this headrest 5.
  • these bosses 23, 23A necessarily agree with an oblong opening 8 of an operating rod 7 possibly sheltered by this headrest 5 and does not interfere, in no measurement, the displacement of this operating rod 7.
  • these bosses 23, 23A contribute, to a better axial guidance of this operating rod 7 relative to the headrest 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Punching Or Piercing (AREA)
  • Connection Of Plates (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP98440095A 1997-05-20 1998-05-12 Vorrichtung zum Herstellen durch Stanzen eines kegelstumpförmigen Lochs in einem Metallbandmaterial insbesondere einer Stulpschiene Expired - Lifetime EP0879656B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9706280A FR2763522B1 (fr) 1997-05-20 1997-05-20 Outillage pour le faconnage par emboutissage d'un orifice a embouchure tronconique dans un materiau metallique en bande, notamment une tetiere
FR9706280 1997-05-20

Publications (2)

Publication Number Publication Date
EP0879656A1 true EP0879656A1 (de) 1998-11-25
EP0879656B1 EP0879656B1 (de) 1999-10-13

Family

ID=9507138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98440095A Expired - Lifetime EP0879656B1 (de) 1997-05-20 1998-05-12 Vorrichtung zum Herstellen durch Stanzen eines kegelstumpförmigen Lochs in einem Metallbandmaterial insbesondere einer Stulpschiene

Country Status (5)

Country Link
US (1) US5927137A (de)
EP (1) EP0879656B1 (de)
CA (1) CA2237792C (de)
DE (1) DE69800028T2 (de)
FR (1) FR2763522B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014103975A1 (de) 2014-03-24 2015-09-24 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Verfahren, Vorstanzwerkzeug und Planierwerkzeug zur Herstellung von angesenkten Löchern in einem plattenförmigen Material

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5931585A (en) * 1997-05-21 1999-08-03 Amana Company, L.P. Bearing mounting structure with reduced dimensional requirements
KR100441047B1 (ko) * 2002-01-10 2004-07-21 주식회사 신성엔지니어링 가스 흡수식 냉난방기용 오리피스 구멍 가공방법
US7308814B2 (en) * 2005-10-13 2007-12-18 Gassner Ges.M.B.H. & Co Kg Method for perforating a sheet
US9643230B2 (en) 2013-03-14 2017-05-09 A.K. Stamping Company, Inc. Grounding spacer
CN106623614B (zh) * 2016-12-30 2018-11-16 上海伟奕传动轴配件有限公司 一种传动轴孔成型模具
DE102019008178A1 (de) 2019-11-25 2020-08-06 Daimler Ag Stirnwand für ein Kraftfahrzeug, Schraubverbindung sowie Verfahren zum Herstellen einer Schraubverbindung
US20210196319A1 (en) * 2019-12-29 2021-07-01 Biosense Webster (Israel) Ltd Trocar with internal camera providing tilted view angle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675910A (en) * 1926-02-19 1928-07-03 Andrew L Riker Tool for drawing tubular bosses
FR2308440A1 (fr) * 1975-04-21 1976-11-19 Ferco Int Usine Ferrures Procede de fraisage
GB2086786A (en) * 1980-11-08 1982-05-19 Behrens Ag C Apparatus for flanging the edges of holes in workpieces on a piercing press
EP0178180A2 (de) * 1984-10-11 1986-04-16 Brake And Clutch Industries Australia Pty. Ltd. Formungsverfahren für Metall, Vorrichtung hierfür und damit hergestelltes Produkt
US5312080A (en) * 1992-03-12 1994-05-17 Walbro Corporation Fuel regulator mounting plate and forming process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE554303C (de) * 1930-04-05 1932-07-07 Hans Gradl Verfahren zur Herstellung der Zahnkronen an Reibkoerpern fuer Kartoffelreibmaschinen o. dgl.
US3108371A (en) * 1959-11-16 1963-10-29 Bishop & Babcock Corp Method of making sheet metal fastener
US3245465A (en) * 1964-12-09 1966-04-12 Young Radiator Co Heat-exchanger core-unit construction
US3878950A (en) * 1972-06-20 1975-04-22 Roura Iron Works Inc Rocker and platform assembly for self-dumping hoppers and the like

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675910A (en) * 1926-02-19 1928-07-03 Andrew L Riker Tool for drawing tubular bosses
FR2308440A1 (fr) * 1975-04-21 1976-11-19 Ferco Int Usine Ferrures Procede de fraisage
GB2086786A (en) * 1980-11-08 1982-05-19 Behrens Ag C Apparatus for flanging the edges of holes in workpieces on a piercing press
EP0178180A2 (de) * 1984-10-11 1986-04-16 Brake And Clutch Industries Australia Pty. Ltd. Formungsverfahren für Metall, Vorrichtung hierfür und damit hergestelltes Produkt
US5312080A (en) * 1992-03-12 1994-05-17 Walbro Corporation Fuel regulator mounting plate and forming process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014103975A1 (de) 2014-03-24 2015-09-24 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Verfahren, Vorstanzwerkzeug und Planierwerkzeug zur Herstellung von angesenkten Löchern in einem plattenförmigen Material
EP2923778A2 (de) 2014-03-24 2015-09-30 TRUMPF Werkzeugmaschinen GmbH + Co. KG Verfahren zur herstellung von angesenkten löchern in einem plattenförmigen material
EP2923778A3 (de) * 2014-03-24 2016-03-16 TRUMPF Werkzeugmaschinen GmbH + Co. KG Verfahren zur herstellung von angesenkten löchern in einem plattenförmigen material
DE102014103975B4 (de) 2014-03-24 2018-12-20 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Verfahren, Vorstanzwerkzeug und Planierwerkzeug zur Herstellung von angesenkten Löchern in einem plattenförmigen Material

Also Published As

Publication number Publication date
DE69800028D1 (de) 1999-11-18
FR2763522A1 (fr) 1998-11-27
DE69800028T2 (de) 2000-04-20
CA2237792A1 (fr) 1998-11-20
US5927137A (en) 1999-07-27
CA2237792C (fr) 2002-04-30
EP0879656B1 (de) 1999-10-13
FR2763522B1 (fr) 1999-07-23

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