EP3046695B1 - Procédé de matriçage et d'incision de pièces et outil de matriçage - Google Patents

Procédé de matriçage et d'incision de pièces et outil de matriçage Download PDF

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Publication number
EP3046695B1
EP3046695B1 EP14766133.4A EP14766133A EP3046695B1 EP 3046695 B1 EP3046695 B1 EP 3046695B1 EP 14766133 A EP14766133 A EP 14766133A EP 3046695 B1 EP3046695 B1 EP 3046695B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
cutting
embossing
ram
die
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
EP14766133.4A
Other languages
German (de)
English (en)
Other versions
EP3046695A1 (fr
Inventor
Carsten WÖRNER
Simon CHEVRIER
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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 ABB AG Germany filed Critical ABB AG Germany
Priority to PL14766133T priority Critical patent/PL3046695T3/pl
Publication of EP3046695A1 publication Critical patent/EP3046695A1/fr
Application granted granted Critical
Publication of EP3046695B1 publication Critical patent/EP3046695B1/fr
Active 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
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process

Definitions

  • the invention further relates to an embossing tool for carrying out a method of the type described above, comprising a punch, in which a notch for receiving a material of a workpiece is formed, and a cutting die opposite the punch, which has a cutting edge, which in the material of the workpiece can be such that the material is forced into the notch opposite the cutting edge, wherein the punch and the cutting die are movable relative to each other.
  • the forming knife cuts into the material of the workpiece up to a defined depth.
  • the material is compressed and displaced laterally. This is because the pressing force required for cutting is relatively high. It is significantly higher than a force that would be required for punching the workpiece.
  • a warped workpiece may continue to be used only in severe welding process problems.
  • the invention is therefore based on the object, a method and an embossing tool for embossing and cutting of workpieces, in particular of workpieces made of sheet steel, specify with which a delay in the workpiece can be minimized.
  • the method mentioned above is characterized in that the material of the workpiece when cutting and pulling at least partially braked and its material flow is directed.
  • the penetration of a cutting edge into a material such as steel sheet results in material flow and / or material compression. It has been recognized that significant stresses are introduced into the workpiece by the material flow and / or the material compressions. In accordance with the invention, it has been recognized that while these voltages are not prevented, they can be controlled. Specifically, it has been recognized that by a combination of the process steps cutting, pulling and braking of the Material of the material flow steered and the delay can be minimized. In that regard, a method for embossing and cutting of workpieces, in particular of workpieces made of sheet steel, specified, with which a delay in the workpiece can be minimized.
  • the material is advantageous when cutting away from the cutting and directed specifically in reservoirs.
  • the material which is compressed during cutting, is directed away from the cutting edge and directed into suitable reservoirs. This is made possible by a special geometry in a punch and in a cutting die.
  • the required pressing force is about 20% less than the force that would be required in a flange embossing according to the prior art.
  • the special geometry in the punch and cutting die prevents unwanted sickling of workpieces and optimizes their flatness.
  • a sheet steel is used as a workpiece advantageously a sheet steel is used. After being treated by the method described here, such a workpiece can be used in control cabinets or distribution cabinets, since flanges can easily be produced in the latter.
  • an embossing tool for embossing and cutting of workpieces with the features of the independent claim.
  • the embossing tool mentioned above is characterized in that braking means are provided which retain the material at least partially.
  • the braking means are advantageously arranged on a hold-down, which surrounds the stamp.
  • the hold-down prevents the workpiece from dodging up when the cutting edge penetrates into it.
  • the cutting die is surrounded by a drawing die.
  • the drawing die deforms the workpiece and inserts inclined surfaces into it.
  • Fig. 1 1 shows a detail of an embossing tool 1 for carrying out a method of the type described below, comprising a punch 2, in which a notch 3 for receiving a material of a workpiece 4 is formed, and a cutting die 5 opposite the punch 2, which has a cutting edge 6, which cuts into the material of the workpiece 4 in such a way that the material is forced into the notch 3 opposite the cutting edge 6, wherein the punch 2 and the cutting die 5 are movable relative to one another.
  • Fig. 1 shows the merged embossing tool 1. Between the punch 2 and the cutting die 5, the workpiece 4 is sandwiched.
  • the workpiece 4 is made of sheet steel.
  • the braking means 7 which retain the material at least partially.
  • the braking means 7 are formed as a rounded, semicircular in cross-section bead.
  • the brake means 7 are arranged on a hold-down 8, which surrounds the punch 2 from the outside.
  • the stamp 2 extends starting from the braking means 7, or the bead, in regions conically.
  • the center and symmetry axis of the embossing tool 1 is represented by the dashed line.
  • the cutting die 5 is surrounded by a drawing die 9.
  • the drawing die 9 is designed to be complementary to the conical shape of the punch 2.
  • a former flat planar workpiece 4 can be provided by forming with inclined planes or flanks.
  • the material of the workpiece 4 is at least partially braked during cutting and pulling and its material flow directed.
  • the material flow is in Fig. 2 represented by arrows.
  • the material is when cutting away from the cutting edge 6 and directed specifically into reservoir 10.
  • a sheet steel is used as a workpiece 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Punching Or Piercing (AREA)

Claims (6)

  1. Procédé de matriçage et d'incision de pièces (4), comprenant les étapes de procédé suivantes :
    - fourniture d'une pièce plate (4),
    - insertion de la pièce plate (4) entre un poinçon (2) et une matrice de coupe (5), le poinçon (2) présentant une entaille (3) qui est opposée à un tranchant (6),
    - pressage de la pièce (4) entre le poinçon (2) et la matrice de coupe (5), un entaillage du tranchant (6) dans la pièce (4) et un emboutissage de la pièce se produisant, à partir duquel la pièce (4) est fabriquée,
    caractérisé en ce que le matériau de la pièce (4), lors de l'entaillage et de l'emboutissage, est au moins en partie freiné et son flux de matériau est guidé.
  2. Procédé selon la revendication 1, caractérisé en ce que le matériau, lors de l'entaillage, est guidé à l'écart du tranchant (6) et de manière ciblée dans des réservoirs (10).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'on utilise en tant que pièce (4) une tôle d'acier plate.
  4. Outil de matriçage (1) pour mettre en oeuvre un procédé selon l'une quelconque des revendications précédentes, comprenant un poinçon (2) dans lequel est réalisée une entaille (3) pour recevoir un matériau d'une pièce (4) et une matrice de coupe (5) opposée au poinçon (2), qui présente un tranchant (6) qui peut entailler dans le matériau de la pièce (4) de telle sorte que la pièce soit forcée à l'intérieur de l'entaille (3) opposée au tranchant (6), le poinçon (2) et la matrice de coupe (5) pouvant être déplacés l'un par rapport à l'autre,
    caractérisé en ce que des moyens de freinage (7) sont prévus, lesquels retiennent au moins en partie le matériau.
  5. Outil de matriçage selon la revendication 4, caractérisé en ce que les moyens de freinage (7) sont disposés au niveau d'un dispositif de retenue (8) qui entoure le poinçon (2).
  6. Outil de matriçage selon la revendication 4 ou 5, caractérisé en ce que la matrice de coupe (5) est entourée par une matrice d'emboutissage (9).
EP14766133.4A 2013-09-16 2014-09-08 Procédé de matriçage et d'incision de pièces et outil de matriçage Active EP3046695B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14766133T PL3046695T3 (pl) 2013-09-16 2014-09-08 Sposób wytłaczania i nacinania przedmiotów obrabianych oraz narzędzie do wytłaczania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013015275 2013-09-16
PCT/EP2014/069093 WO2015036365A1 (fr) 2013-09-16 2014-09-08 Procédé de matriçage et d'incision de pièces et outil de matriçage

Publications (2)

Publication Number Publication Date
EP3046695A1 EP3046695A1 (fr) 2016-07-27
EP3046695B1 true EP3046695B1 (fr) 2017-05-31

Family

ID=51541063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14766133.4A Active EP3046695B1 (fr) 2013-09-16 2014-09-08 Procédé de matriçage et d'incision de pièces et outil de matriçage

Country Status (5)

Country Link
EP (1) EP3046695B1 (fr)
ES (1) ES2637866T3 (fr)
PL (1) PL3046695T3 (fr)
RU (1) RU2675124C2 (fr)
WO (1) WO2015036365A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700423B (zh) * 2022-03-28 2023-10-20 无锡市正隆祥机械制造有限公司 一种软薄料冲压模具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1041421A (en) * 1964-03-03 1966-09-07 Metal Box Co Ltd Improvements in or relating to the scoring of thin sheet metal
BE884123Q (nl) * 1978-11-29 1981-01-05 Continental Group Inkerfgereedschap en -aambeeld
SU1009575A1 (ru) * 1981-11-18 1983-04-07 Экспериментальный научно-исследовательский институт кузнечно-прессового машиностроения Способ получени плоских изделий с боковыми ребрами типа рельсовой подкладки
SU1368069A1 (ru) * 1986-01-07 1988-01-23 Предприятие П/Я М-5641 Штамп дл обрезки кромок пустотелых деталей
JP3027059B2 (ja) * 1992-12-09 2000-03-27 新日本製鐵株式会社 易開缶性蓋の製造方法
RU2220018C2 (ru) * 2002-02-11 2003-12-27 Открытое акционерное общество "ГАЗ" Способ вытяжки и штамп для его осуществления
DE102011121664A1 (de) * 2011-12-20 2013-06-20 Abb Ag Vorgeprägter Flanschausbruch, Bau- oder Gehäuseteil mit einem solchen Flanschausbruch, Schalt- oder Verteilerschrank mit einem derartigen Bau- oder Gehäuseteil sowie ein System und Verfahren zum Vorprägen von Flanschausbrüchen

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
ES2637866T3 (es) 2017-10-17
PL3046695T3 (pl) 2017-10-31
EP3046695A1 (fr) 2016-07-27
RU2016114517A3 (fr) 2018-06-27
RU2016114517A (ru) 2017-10-23
WO2015036365A1 (fr) 2015-03-19
RU2675124C2 (ru) 2018-12-17

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