EP3538292B1 - Presswerkzeug für metallblech mit relativ grossen abmessungen, insbesondere für kraftfahrzeuge - Google Patents

Presswerkzeug für metallblech mit relativ grossen abmessungen, insbesondere für kraftfahrzeuge Download PDF

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Publication number
EP3538292B1
EP3538292B1 EP17794004.6A EP17794004A EP3538292B1 EP 3538292 B1 EP3538292 B1 EP 3538292B1 EP 17794004 A EP17794004 A EP 17794004A EP 3538292 B1 EP3538292 B1 EP 3538292B1
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EP
European Patent Office
Prior art keywords
stamping
blank holder
blank
flannel
flan
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Active
Application number
EP17794004.6A
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English (en)
French (fr)
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EP3538292A1 (de
Inventor
Jacky FROMENTIN
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.)
PSA Automobiles SA
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PSA Automobiles SA
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Publication date
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3538292A1 publication Critical patent/EP3538292A1/de
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/04Blank holders; Mounting means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/02Die-cushions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/88Making other particular articles other parts for vehicles, e.g. cowlings, mudguards

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (4)

  1. Tiefziehwerkzeug für einen Zuschnitt (6) zur Herstellung eines Tiefziehteils, insbesondere eines Kraftfahrzeuges, mit einem Tiefziehwerkzeug
    - einem unteren Sockel (2)
    ∘ an einem Trägertisch (3) befestigt
    ∘ mit einem Stempel (4),
    ∘ ein unter dem Trägertisch (3) gelagertes Ziehkissen (7),
    ∘ ein oberhalb des Sockels (2) angeordneter Niederhalter (8) mit vertikalen Säulen (9) mit unteren Enden, die jeweils an oberen Enden von vertikalen Tiefziehstangen (13) abgestützt sind, die durch Bohrungen (14) des Sockels (2) und des Trägertisches (3) hindurchgehen und deren untere Enden am Tiefziehkissen (7) abgestützt sind (a)
    ∘ ein Schieber (17)
    ▪ eine vertikal zum Niederhalter (8) bewegbare Matrize (5) trägt,
    ▪ Der Vorsatz (5) weist jeweils zwei Auflageflächen (10, 11) auf, zwischen denen der Zuschnitt (6) einspannbar ist, wobei die Ziehstangen (13) dazu geeignet sind, die Spannkraft des Ziehkissens (7) auf die Auflagefläche (10) des Niederhalters (8) zu übertragen.
    Die vertikalen Säulen (9) des Niederhalters (8) weisen jeweils zwischen seinem Ende und der entsprechenden Wicklung (12) mindestens eine Klinke (19) auf, die eine elastische Verformung des Niederhalters (8) durch den Tiefziehkissen (7) und die Tiefziehstangen (13) ermöglicht, um eine gleichmäßige Verspannung des Niederhalters (6) über die gesamte Fläche des Niederhalters (10) zu gewährleisten 8.
  2. Tiefziehwerkzeug nach Anspruch 1, dadurch gekennzeichnet, dass jede Wicklung (12) am Ende der entsprechenden vertikalen Säule (9) des Niederhalters (8) abschraubbar ist und die Klinke (19) zwischen der Wicklung (12) und dem Ende der vertikalen Säule (9) des Niederhalters (8) klemmbar ist.
  3. Tiefziehwerkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Dicke des Klinkers (19) in Abhängigkeit vom verwendeten Tiefziehwerkzeug zwischen 1/10 mm und 1 mm liegt.
  4. Tiefziehwerkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die die Klingen (19) aufweisenden vertikalen Säulen (9) einem Bereich der Auflagefläche (10) des Niederhalters (8) gegenüberliegen, der einen Oberflächenabstand relativ zur übrigen homogenen Auflagefläche (10) aufweist.
EP17794004.6A 2016-11-14 2017-10-12 Presswerkzeug für metallblech mit relativ grossen abmessungen, insbesondere für kraftfahrzeuge Active EP3538292B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1660949A FR3058656B1 (fr) 2016-11-14 2016-11-14 Outillage d'emboutissage de toles de relativement grandes dimensions notamment pour vehicule automobile
PCT/FR2017/052806 WO2018087441A1 (fr) 2016-11-14 2017-10-12 Outillage d'emboutissage de toles de relativement grandes dimensions notamment pour véhicule automobile

Publications (2)

Publication Number Publication Date
EP3538292A1 EP3538292A1 (de) 2019-09-18
EP3538292B1 true EP3538292B1 (de) 2020-12-09

Family

ID=57861071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17794004.6A Active EP3538292B1 (de) 2016-11-14 2017-10-12 Presswerkzeug für metallblech mit relativ grossen abmessungen, insbesondere für kraftfahrzeuge

Country Status (4)

Country Link
EP (1) EP3538292B1 (de)
ES (1) ES2857681T3 (de)
FR (1) FR3058656B1 (de)
WO (1) WO2018087441A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112808864B (zh) * 2020-12-21 2023-04-07 中铁隆昌铁路器材有限公司 一种轨道道岔用弹性夹的成型工装模具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007033943B4 (de) * 2007-07-19 2018-05-17 August Läpple GmbH & Co. KG Vorrichtung zum Umformen von Werkstücken
FR3008330B1 (fr) * 2013-07-15 2016-01-01 Peugeot Citroen Automobiles Sa Outillage de presse adapte pour emboutir des pieces de grande dimension
FR3018709B1 (fr) * 2014-03-20 2016-03-25 Peugeot Citroen Automobiles Sa Outillage d'emboutissage pour la conformation d'une piece emboutie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3538292A1 (de) 2019-09-18
ES2857681T3 (es) 2021-09-29
FR3058656A1 (fr) 2018-05-18
FR3058656B1 (fr) 2018-11-23
WO2018087441A1 (fr) 2018-05-17

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