EP1074320B1 - Machine de poinçonnage et d'estampage - Google Patents

Machine de poinçonnage et d'estampage Download PDF

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Publication number
EP1074320B1
EP1074320B1 EP99114647A EP99114647A EP1074320B1 EP 1074320 B1 EP1074320 B1 EP 1074320B1 EP 99114647 A EP99114647 A EP 99114647A EP 99114647 A EP99114647 A EP 99114647A EP 1074320 B1 EP1074320 B1 EP 1074320B1
Authority
EP
European Patent Office
Prior art keywords
punching
machine according
embossing machine
punch
workpiece
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.)
Expired - Lifetime
Application number
EP99114647A
Other languages
German (de)
English (en)
Other versions
EP1074320A1 (fr
Inventor
Daniel Dériaz
Marc Dériaz
Peter Geser
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.)
Ernst Grob AG
Original Assignee
Ernst Grob AG
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 Ernst Grob AG filed Critical Ernst Grob AG
Priority to EP99114647A priority Critical patent/EP1074320B1/fr
Priority to ES99114647T priority patent/ES2197552T3/es
Priority to AT99114647T priority patent/ATE237417T1/de
Priority to DE59905078T priority patent/DE59905078D1/de
Priority to JP2000222996A priority patent/JP3987677B2/ja
Priority to US09/626,914 priority patent/US6345526B1/en
Publication of EP1074320A1 publication Critical patent/EP1074320A1/fr
Application granted granted Critical
Publication of EP1074320B1 publication Critical patent/EP1074320B1/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
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • 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
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • 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
    • Y10T83/8835—And means to move cooperating cutting member

Definitions

  • the present invention relates to a punching and embossing machine according to the preamble of claim 1.
  • Stamping and embossing machines are in a wide variety of designs known for a long time.
  • the main tool of these machines is a stamp that is usually against the a workpiece lying on or resting against a die brought to a stop or struck under high pressure becomes.
  • imprinting in the first case one speaks of imprinting, in the second Case of a die cut.
  • the embossing becomes plastic Deformation of the material in question is achieved in the workpiece.
  • There are also mixed forms in between, for example temple-like areas from an originally closed Workpiece surface are to be formed. there the area in question is partially identified by the stamp punched out of the workpiece, but still remains over bridges connected to the workpiece.
  • Such workpieces are primarily used with such machines Metals processed, which requires that the stamp forces to be applied must be very large in order to achieve plastic To achieve deformation or separation of the material.
  • the object of the present invention was a To find punching and embossing machines that are reliable, fast punching or embossing, especially of hollow cylindrical ones Workpieces allowed.
  • stamp By forcing the movement of the die and the Stamp and the overlays of these two movements with respect to the workpiece to be machined. whose Bracket with only a very small relative movement a reliable and sufficient between stamp and workpiece Punching or Embossing effect on the workpiece achieved.
  • stamp also allows the stamp to be viewed from the inside of hollow cylindrical workpieces with relatively small Allow inner radii to act outwards.
  • the Stamp can nevertheless be dimensioned sufficiently large, power transmission without risk of breakage or deformation enable even at high processing speeds.
  • control disc with the eccentric shaft relative twist angle adjustable coupled to the movements with respect to the workpiece holder, respectively.
  • workpiece to adapt to the requirements.
  • shape of the Control disc is also according to needs be adjusted.
  • a machine according to the invention can thus for example a set of different control disks have, which depending on need or Application for use reach.
  • the precision and adjustability be further increased and in synchronization with the control of a preferably also via a servo motor rotatable workpiece holder at high Machining speeds with high precision embossing or punching along hollow cylindrical workpieces their scope.
  • FIG 1 is a schematic longitudinal section through an inventive Punching and embossing machine shown.
  • the Workpiece 1 to be machined is over a workpiece holder 15, which is connected to the machine frame 16, in the position shown rotatable about the workpiece axis A. held.
  • a drive shaft 3 for example as Cardan shaft executed, the eccentric shaft 4 is driven.
  • the angle of rotation of the control disk 5 in relation to the eccentric shaft 4 is preferably adjustable, either continuously or in discrete levels. This adjustment is in usually made when setting up the machine, A controlled, motorized adjustment would also be conceivable, which during operation or during business interruptions could be activated.
  • the eccentric shaft 4 is coaxial with the control disk 5 arranged, but an eccentric, separate arrangement.
  • the control disk 5 has a control track on its underside in the form of a circumferential groove 6.
  • the groove 6 can for example as eccentric to the axis of rotation of the eccentric shaft trained circular or ellipse groove or have any closed shape. In these Groove 6 engages a pin 7, which with the feed carriage 2 is connected.
  • the feed of the feed carriage 2 can be done via a threaded spindle 18 from a mechanical or electrical Drive drive 19, which is fixed to the machine frame 16 is connected to be set radially to workpiece 1. It is used to set up the machine to the desired one respectively. workpiece diameter to be machined.
  • the eccentric shaft 4 is mounted in the die frame 8, which radially displaceable with respect to the workpiece axis A. is guided in the machine frame 16.
  • the die frame 8 is now corresponding the formation of the groove 6 of the control disc 5 periodically in his leadership back and forth, which at the end of the Matrix frame 8 arranged matrix 9 against the edge of the Workpiece 1 comes into abutment. lifted off becomes. This takes place in accordance with the design of the groove 6 Movement with a larger or smaller path, each once per revolution.
  • a connecting rod is on the eccentric shaft 17 of the eccentric shaft 4 10 arranged, which for example via a connecting pin 11 is connected to the stamp arm 12.
  • This Stamp arm 12 is also related in the radial direction Slidable on the workpiece axis A in the die frame 8 arranged.
  • control disc 5 and eccentric pin 17 is a coupled, positively guided movement of both the die 9 and the Stamp 13 causes the relative movement of the stamp 13 with respect to the workpiece axis A depending on the version and Arrangement of the groove 6 of the control disk 5 in relation to Stroke of the eccentric pin 17 can be very small.
  • the arrangement shown can also be used to stamp 13 from the outside to act on the workpiece 1, and thereby the die 9 to the inside of the workpiece 1 in stop bring, as shown in Figure 2.
  • the structure is the same as in Figure 1, only the matrix frame 8 and the stamp arm 12 are correspondingly different designed.
  • FIGs 3 a) to 3 c) are now schematic Supervision of the work area of the previously described, Machine according to the invention shown.
  • 3 a) shows the starting position also shown in Figure 1 the machine in which both the die 9 and the Stamp 13 the greatest distance to the surface of the to be processed Have workpiece 1.
  • the workpiece holder respectively. the workpiece 1 is stationary with respect to the Machine frame 16 arranged, the die frame 8 is located in its rearmost position, i.e. in the illustration on the left, and the stamp arm 12 in its foremost position, i.e. against the right side.
  • the groove 6 is shifted towards the right towards the workpiece 1, as shown in Figure 3 b).
  • the groove 6 of the control disc 5 is designed such that the displacement is such What is great is that the die 9 just stops with the outer wall of the workpiece 1 comes.
  • this position is already after a twisting movement of 90 ° - 110 ° from the starting position and then reached maintained. This is achieved in that subsequent angular range, the groove 6 with respect to the axis the drive shaft 3 has a constant radius, is designed concentrically circular.
  • the controller precisely control this servo axis as well as the Rotation of the workpiece holder 15. This allows very high Accuracy and high working speed hollow cylindrical Workpieces punched or embossed from the inside become.
  • the shape of the groove 6 of the control disc 5 is dependent the stroke of the eccentric pin 17, the type of machining, the Size of the stamp head 14 and the cross-sectional shape and Design of the workpiece 1 determined. It usually does have an egg-shaped, symmetrical shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Punching Or Piercing (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (11)

  1. Machine à poinçonner et à estamper avec un bâti de machine (16), un poinçon (13), une matrice (9) et un support de pièce (15) destiné à recevoir une pièce (1),
    caractérisée en ce que
    la matrice (9) est maintenue dans un cadre de matrice (8) guidé de façon mobile qui est guidé dans le bâti de machine (16) de façon mobile par rapport au support de pièce (15) par un disque de commande (5) et le poinçon (13) est lié à un arbre excentrique (4) qui est logé de façon à pouvoir tourner dans le cadre de matrice (8) de la matrice (9), l'arbre excentrique (4) et le disque de commande (5) étant couplés directement l'un à l'autre et reliés à un arbre d'entraínement (3).
  2. Machine à poinçonner et à estamper selon la revendication 1,
    caractérisée en ce que
    le disque de commande (5) est placé directement sur l'axe de l'arbre excentrique (4).
  3. Machine à poinçonner et à estamper selon la revendication 2,
    caractérisée en ce que
    le disque de commande (5) est formé de façon à pouvoir être réglé selon l'angle de torsion par rapport à l'arbre excentrique (4).
  4. Machine à poinçonner et à estamper selon l'une des revendications 1 ou 2,
    caractérisée en ce que
    le disque de commande (5) présente au moins une rainure (6) périphérique dans laquelle un pivot (7) du chariot d'avancée (2) est en prise.
  5. Machine à poinçonner et à estamper selon l'une des revendications 1 à 4,
    caractérisée en ce que
    le poinçon (13) est lié à l'arbre excentrique (4) par une bielle (10).
  6. Machine à poinçonner et à estamper selon l'une des revendications 1 à 5,
    caractérisée en ce que
    le poinçon (13) est placé sur un bras de poinçon (12) guidé de façon rectiligne et mobile.
  7. Machine à poinçonner et à estamper selon la revendication [6],
    caractérisée en ce que
    le bras de poinçon (12) est guidé dans le cadre de matrice (8).
  8. Machine à poinçonner et à estamper selon l'une des revendications 1 à 7,
    caractérisée en ce que
    l'arbre excentrique (4) est logé dans le cadre de matrice (8).
  9. Machine à poinçonner et à estamper selon l'une des revendications 1 à 8,
    caractérisée en ce que
    l'arbre excentrique (4) est lié à un moteur électrique, de préférence à un servomoteur à commande numérique ou à un moteur hydraulique.
  10. Utilisation d'une machine à poinçonner et à estamper selon l'une des revendications 1 à 9 pour l'usinage de pièces (1) cylindriques creuses.
  11. Utilisation d'une machine à poinçonner et à estamper selon l'une des revendications 1 à 9 pour l'usinage de pièces (1) cylindriques creuses avec le poinçon (13) à partir du côté intérieur ou du côté extérieur.
EP99114647A 1999-07-27 1999-07-27 Machine de poinçonnage et d'estampage Expired - Lifetime EP1074320B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP99114647A EP1074320B1 (fr) 1999-07-27 1999-07-27 Machine de poinçonnage et d'estampage
ES99114647T ES2197552T3 (es) 1999-07-27 1999-07-27 Maquina troqueladora y estampadora.
AT99114647T ATE237417T1 (de) 1999-07-27 1999-07-27 Stanz- und prägemaschine
DE59905078T DE59905078D1 (de) 1999-07-27 1999-07-27 Stanz- und Prägemaschine
JP2000222996A JP3987677B2 (ja) 1999-07-27 2000-07-24 押抜き・型打ち機
US09/626,914 US6345526B1 (en) 1999-07-27 2000-07-27 Punching and stamping machine and method of making parts using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99114647A EP1074320B1 (fr) 1999-07-27 1999-07-27 Machine de poinçonnage et d'estampage

Publications (2)

Publication Number Publication Date
EP1074320A1 EP1074320A1 (fr) 2001-02-07
EP1074320B1 true EP1074320B1 (fr) 2003-04-16

Family

ID=8238664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114647A Expired - Lifetime EP1074320B1 (fr) 1999-07-27 1999-07-27 Machine de poinçonnage et d'estampage

Country Status (6)

Country Link
US (1) US6345526B1 (fr)
EP (1) EP1074320B1 (fr)
JP (1) JP3987677B2 (fr)
AT (1) ATE237417T1 (fr)
DE (1) DE59905078D1 (fr)
ES (1) ES2197552T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004082862A1 (fr) * 2003-03-17 2004-09-30 Ernst Grob Ag Machine d'estampage-matriçage
AU2003240353A1 (en) * 2003-06-24 2005-01-04 Ernst Grob Ag Embossing machine and method for embossing workpieces
DE102005019693A1 (de) * 2005-04-28 2006-11-02 Schaeffler Kg Verfahren und Vorrichtung zum Erzeugen einer Rändelung auf der Oberfläche eines Werkstückes
US7225051B1 (en) 2005-08-04 2007-05-29 Magnecomp Corporation Closed-loop feedback for maximizing Cpk in progressive forming operations
CN100468252C (zh) * 2005-12-27 2009-03-11 鸿富锦精密工业（深圳）有限公司 钣金冲压计算机辅助制造系统及方法
WO2008017327A1 (fr) * 2006-08-11 2008-02-14 Ernst Grob Ag Machine de découpage et d'estampage
US7712396B2 (en) * 2006-10-18 2010-05-11 Adc Telecommunications, Inc. Laminated stamping tool
GB0725364D0 (en) * 2007-12-31 2008-02-06 Lechasseur Andre Bending head attachment
DE102011003625A1 (de) * 2011-02-04 2012-08-09 Bayerische Motoren Werke Aktiengesellschaft Stanzvorrichtung für Faserverbundwerkstoffe
AU356953S (en) * 2014-01-17 2014-08-20 Shachihata Inc Stamp molding machine
CN107321874A (zh) * 2017-08-10 2017-11-07 青岛征和链传动有限公司 一种链轮单齿槽冲压设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US656106A (en) * 1900-05-12 1900-08-14 Charlie C Caldwell Metal-punch.
US2783668A (en) * 1949-10-27 1957-03-05 Daimler Benz Ag Hand tool for bending the edges of sheet-metal parts
US2630862A (en) * 1951-09-05 1953-03-10 Musser C Walton Apparatus for perforating hollow cylindrical objects
US2757731A (en) * 1953-10-05 1956-08-07 Schloemann Ag Bloom and slab shears
GB2075403B (en) * 1980-05-07 1984-07-11 Burner Systems Int Punching apparatus
CH681785A5 (fr) * 1990-03-19 1993-05-28 Dieter Eich

Also Published As

Publication number Publication date
JP3987677B2 (ja) 2007-10-10
EP1074320A1 (fr) 2001-02-07
US6345526B1 (en) 2002-02-12
DE59905078D1 (de) 2003-05-22
ES2197552T3 (es) 2004-01-01
JP2001047149A (ja) 2001-02-20
ATE237417T1 (de) 2003-05-15

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