DE602008004134D1 - PUNCHING MACHINE - Google Patents

PUNCHING MACHINE

Info

Publication number
DE602008004134D1
DE602008004134D1 DE602008004134T DE602008004134T DE602008004134D1 DE 602008004134 D1 DE602008004134 D1 DE 602008004134D1 DE 602008004134 T DE602008004134 T DE 602008004134T DE 602008004134 T DE602008004134 T DE 602008004134T DE 602008004134 D1 DE602008004134 D1 DE 602008004134D1
Authority
DE
Germany
Prior art keywords
plate
punch
seat
diameter
base
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.)
Active
Application number
DE602008004134T
Other languages
German (de)
Inventor
Sergio Dallan
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.)
Dallan SpA
Original Assignee
Dallan SpA
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 Dallan SpA filed Critical Dallan SpA
Publication of DE602008004134D1 publication Critical patent/DE602008004134D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/12—Edge-curling
    • B21D19/14—Reinforcing edges, e.g. armouring same

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

A punching machine for sheet metal strip, characterised by comprising: -a base (2), -a horizontal first plate (6) movable vertically under external command, -a punch (20) rigid with saidfirst plate (6) and slidable within a punch guide (18) rigid with a horizontal second plate (16), -means (12, 14) for slidably constraining said second plate (16) relative to said first plate (6), -first elastic means (36) interposed between said first plate (6) and said second plate (16), -a horizontal third plate (24) housed in a seat provided in the base (2), -means (22) enabling said third plate (24) to be moved vertically by said first plate (6), -second elastic means (38) interposed between the lower surface of said third plate (24) and the bottom of the seat (26), said second means having a greater constant of elastic rigidity than the first elastic means, -a die (28) rigid with the base (2) and facing the punch guide (18), -a counter-punch (30) slidable within said die (18), rigid with said movable third plate (24), said die (18) being provided internally with an air jet feed channel (32) and a scrap discharge channel (34), these communicating with the seat of the counter-punch (30), the punchhead (40) having a diameter less than the diameter of its seat in the punch guide (18), said seat being of smaller diameter than the counter-punch (30), the counter-punch (30) being provided at that end facing the punch (20) with a frusto-conical portion (46), the major base of which has a diameter less than the diameter of the punch seat and the minor base of which has a diameter greater than the diameter of the punch head (40).
DE602008004134T 2007-04-24 2008-04-14 PUNCHING MACHINE Active DE602008004134D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000026A ITVE20070026A1 (en) 2007-04-24 2007-04-24 PUNCHING MACHINE.-
PCT/EP2008/054478 WO2008128914A2 (en) 2007-04-24 2008-04-14 Punching machine.

Publications (1)

Publication Number Publication Date
DE602008004134D1 true DE602008004134D1 (en) 2011-02-03

Family

ID=39798122

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008004134T Active DE602008004134D1 (en) 2007-04-24 2008-04-14 PUNCHING MACHINE

Country Status (9)

Country Link
EP (1) EP2146811B1 (en)
AT (1) ATE492359T1 (en)
DE (1) DE602008004134D1 (en)
ES (1) ES2356583T3 (en)
IT (1) ITVE20070026A1 (en)
PL (1) PL2146811T3 (en)
PT (1) PT2146811E (en)
SI (1) SI2146811T1 (en)
WO (1) WO2008128914A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102699229B (en) * 2012-05-25 2014-08-06 王瑞峰 Waste detecting and discharging device and punch press with same
CN102699230A (en) * 2012-05-28 2012-10-03 奇瑞汽车股份有限公司 Trimming scrap iron discharging mechanism for automobile covering part
ITPD20120177A1 (en) 2012-05-31 2013-12-01 Dallan Spa LAMELLA FOR VENETIAN CURTAINS, VENETIAN CURTAINS AND METHOD OF PRODUCTION OF SUCH A VENETIAN TENT

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE12594T1 (en) * 1981-03-17 1985-04-15 Edward Donald Bennett DEVICE FOR PUNCHING A BLANK FROM STRIP MATERIAL.
JPH11319990A (en) * 1998-05-18 1999-11-24 Toyota Motor Corp Press die for combined working
DE10149546A1 (en) * 2001-10-08 2003-04-30 Fraunhofer Ges Forschung Forming method for functional area in metal plates, e.g. for hydraulics, pneumatics, IC engines, etc. uses forming tool with punch to upset plate edge against shaping tool to create material build-up
DE202005010990U1 (en) * 2005-07-11 2005-09-22 Großmann, Hans, Dipl.-Ing.(FH) Stamping and/or deforming device for workpieces has second stamp guide plate of upper tool in form of holding-down element

Also Published As

Publication number Publication date
SI2146811T1 (en) 2011-04-29
EP2146811B1 (en) 2010-12-22
ES2356583T3 (en) 2011-04-11
WO2008128914A2 (en) 2008-10-30
ATE492359T1 (en) 2011-01-15
PT2146811E (en) 2011-01-28
ITVE20070026A1 (en) 2008-10-25
EP2146811A2 (en) 2010-01-27
WO2008128914A3 (en) 2008-12-18
PL2146811T3 (en) 2011-05-31

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