EP1634663B1 - Blechbearbeitungsmaschine - Google Patents

Blechbearbeitungsmaschine Download PDF

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Publication number
EP1634663B1
EP1634663B1 EP20050108279 EP05108279A EP1634663B1 EP 1634663 B1 EP1634663 B1 EP 1634663B1 EP 20050108279 EP20050108279 EP 20050108279 EP 05108279 A EP05108279 A EP 05108279A EP 1634663 B1 EP1634663 B1 EP 1634663B1
Authority
EP
European Patent Office
Prior art keywords
punch
gear
vertical axis
rotating
axis
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.)
Not-in-force
Application number
EP20050108279
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English (en)
French (fr)
Other versions
EP1634663A1 (de
Inventor
Stefano Raimondi
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.)
Rainer SRL
Original Assignee
Rainer SRL
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Filing date
Publication date
Application filed by Rainer SRL filed Critical Rainer SRL
Publication of EP1634663A1 publication Critical patent/EP1634663A1/de
Application granted granted Critical
Publication of EP1634663B1 publication Critical patent/EP1634663B1/de
Not-in-force 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/12—Punching using rotatable carriers

Definitions

  • the present invention relates to a sheet metal working machine.
  • Currently used sheet metal working machines substantially comprise a top turret supporting a number of punch assemblies, some with one punch and others with a number of punches; a bottom turret supporting a number of die assemblies, some with one die and others with a number of dies; a hammer having a striker defined by a central portion, coaxial with the vertical operating axis of the hammer and used to strike the coaxial punches underneath, and by a horizontal portion used to strike the punches offset with respect to the operating axis of the hammer; and a device for rotating the punch about the vertical longitudinal axis of the relative punch assembly.
  • the rotation device provides, in the case of single-punch assemblies, for rotating the punch to set the tip of the punch to a given angular position, and, in the case of multiple-punch assemblies, for moving the desired punch into the area beneath the horizontal portion of the striker.
  • the rotation device comprises a vertical sleeve, along which the striker slides; two teeth on the bottom end of the sleeve; means for translating the sleeve vertically between a bottom position, in which the teeth engage corresponding slits on the top end of the punch assembly toolbox, and a top release position; and means for rotating the sleeve about its own vertical axis.
  • rotation of the sleeve rotates the toolbox and so, in the case of single-punch assemblies, rotates the punch to set the tip of the punch to a given angular position, and, in the case of multiple-punch assemblies, moves the desired punch into the area beneath the horizontal portion of the striker.
  • the sleeve To move a punch of a multiple-punch assembly into the punching position, the sleeve must be connected to the toolbox, rotated to set the punch to the punching position, released from the toolbox, and finally rotated to move the horizontal portion of the striker into the area over the selected punch.
  • DE 37 20 777 which forms the basis for the preamble of claim 1, discloses a sheet working machine comprising a first device for rotating a punch assembly about a first vertical axis and a second device for rotating a die assembly about a second vertical axis.
  • the first and the second devices comprise each a respective box body supporting respective gear, a respective motor for rotating the corresponding gear about a respective third vertical axis, and respective actuating means for moving the corresponding box body between an engaged position and a release position.
  • Number 1 in Figure 1 indicates as a whole a sheet metal working machine comprising:
  • Punch assemblies 3b and some of punch assemblies 3a installed along line A each have a punch-box 21 having a toothed annular appendix 22; similarly, die assemblies 7b and some of the single-die assemblies installed along the circular line coaxial with line A each have a die-box 23 having a toothed annular appendix 24; and the top end of punch-box 21 has two open-topped, diametrically opposite slits 19 (Figure 3).
  • Device 17 comprises a box body 25 supporting a drive gear 26 and an idler gear 27, which mesh with each other and each have a respective vertical axis of rotation.
  • Device 17 also comprises an electric motor 28 having a vertical output shaft 31 connected angularly integral with a hub 33 of gear 26 by a Universal joint 32.
  • device 17 comprises an actuator 34 for moving box body 25, along a horizontal axis, between an engaged position, wherein gear 27 meshes with toothed appendix 22 of the punch assembly 3 located at punching station 10, and a release position.
  • device 18 comprises a box body 35 supporting a drive gear 36 and an idler gear 37, which mesh with each other and each have a respective vertical axis of rotation.
  • Device 18 also comprises an electric motor 38 having a vertical output shaft connected angularly integral with a hub of gear 36 by a Universal joint.
  • device 18 comprises an actuator 44 for moving box body 35, along a horizontal axis, between an engaged position, wherein gear 37 meshes with toothed appendix 24 of the die assembly 7 located at punching station 10, and a release position.
  • punching station 10 comprises a horizontal plate 51 having a through hole 52 formed along axis Z; and a hollow cylindrical body 53, of axis Z, having a top portion 54 extending upwards beyond hole 52, and a bottom portion 55 located inside hole 52 and which is larger in outside diameter and shorter in length than the outside diameter and length of top portion 54.
  • striker 12 comprises a cylindrical head 56 resting on an annular shoulder 57 formed inside portion 54 of cylindrical body 53; a cylindrical portion 58 which extends downwards to project from portion 55 of cylindrical body 53; a cylindrical portion 61 larger in outside diameter than the diameter of hole 52 and located beneath plate 51; and said portion 14, from which said portion 15 extends along a horizontal axis.
  • body 53 translates along axis Z
  • striker 12 rotates about and translates along axis Z.
  • punching station 10 also comprises a hollow cylindrical body 62 of axis Z.
  • Body 62 houses cylindrical body 53, and has a bottom portion 63 housed inside hole 52 and smaller in outside diameter than the rest of body 62, so as to define an annular shoulder resting on the edge of hole 52.
  • the top end of body 53 is fitted integrally with a circular horizontal plate 64 of a diameter substantially equal to the outside diameter of body 62.
  • a number of vertical dead holes are formed in the top portion of body 62, are equally spaced along the annular rim defining the top wall of body 62, and each define a seat 65 for a respective pin 66 pushed towards plate 64 by a spring 67 housed between the bottom end of pin 66 and the bottom of respective seat 65.
  • Hammer 11 also comprises a ram 68 translated along axis Z by said means 16.
  • ram 68 translates downwards along axis Z to also press down sheet 64 and body 53.
  • Body 53 translates downwards in opposition to springs 67, so that, when ram 68 is restored to its original position, pins 66 translate upwards and, contacting sheet 64, also restore body 53 to its original position.
  • Downward translation of body 53 produces an equal translation of striker 12, by portion 55 of body 53 contacting portion 61 of striker 12.
  • punching station 10 comprises a device 71 which, at a given stage, provides for attaching punch-box 21 to a ring 72 angularly fixed and axially free with respect to striker 12.
  • Device 71 comprises an actuator 73 supported on the top face of plate 51 and having a vertical rod 74, which extends downwards past the bottom face of plate 51 and is integral with an appendix 75 extending horizontally from the outer annular wall of an annular member 76.
  • Member 76 is located beneath plate 51, is coaxial with axis Z, and coaxially houses ring 72, in turn housing portion 61 and portions 14 and 15 of striker 12. More specifically, the lateral wall of ring 72 has an annular groove 77 engaged by a diametrical pin 78 extending from the inner annular face of annular member 76; and the bottom end of ring 72 has two diametrically opposite teeth 81.
  • rod 74 translates between a top position and a bottom position. Translation of rod 74 into the bottom position produces an equal translation of member 76 and, via pin 78, of ring 72, which, being connected as described to member 76, is nevertheless free to rotate about axis Z. Downward translation of ring 72 engages teeth 81 inside slits 19, so that rotation of punch-box 21 about axis Z produces an equal rotation of ring 72.
  • the inner annular face of ring 72 has an axial groove 82 engaged by a projection 83 formed on a lateral face of portion 15 of striker 12.
  • This type of connection between ring 72 and striker 12 allows them to translate independently of each other, and connects them angularly to each other so that rotation of ring 72 about axis Z produces an equal rotation of striker 12.
  • machining cycle defined by the number and location of punching operations to be performed and by the succession of punches 4 to be used, is set in central control unit 19, which, throughout the machining cycle, obviously knows the type, location, and angular position of punches 4 and the dies on machine 1.
  • turrets 2 and 6 are simply rotated to position the punch assembly 3a and corresponding die assembly 7a coaxially with axis Z, and hammer 11 is then operated.
  • punch assemblies 3a and die assemblies 7 whose respective boxes 21 and 23 have respective toothed annular appendixes 22 and 24, the angular position of the punch and die can be adjusted by means of devices 17 and 18 prior to performing the punching operation.
  • turrets 2 and 6 are simply rotated to position the punch assembly 3b and corresponding die assembly 7b coaxially with axis Z; punch assembly 3b and die assembly 7b are then rotated about axis Z by means of devices 17 and 18 to bring the selected punch 4 and corresponding die up to portion 15 of striker 12; and hammer 11 is then operated.
  • turrets 2 and 6 are simply rotated to position the punch assembly 3b and corresponding die assembly 7b coaxially with axis Z; punch assembly 3b and die assembly 7b are then rotated about axis Z by means of devices 17 and 18 to bring the selected punch 4 and corresponding die up to portion 15 of striker 12; punch-box 21 is then attached to striker 12 by means of device 71, so as to adjust the angular position of the selected punch 4 and corresponding die and the position of portion 15 of striker 12, which remains directly beneath the selected punch 4, by means of devices 17 and 18 and by rotating punch assembly 3b and die assembly 7b about axis Z; and hammer 11 is then operated.
  • punch-box 21 and striker 12 need simply be maintained angularly integral and, for each successive punching operation, rotated together to set punch 4 to the required angular position before performing the punching operation. In this way, a sequence of punching operations can be performed rapidly using the same punch in different angular positions.
  • striker 12 need simply be rotated into position to punch, for example, using an assembly 3b; and the selected assembly 3a need then simply be moved into punching station 10.
  • FIGS. 5A, 5B and 6 show an embodiment of a machine 1 not in accordance with the present invention.
  • the machine comprises two bodies 125, 135, one relating to punch assemblies 3, and the other to die assemblies 7.
  • Bodies 125, 135 are box-shaped and rotate about an axis T1 ( Figures 5A and 5B).
  • Body 125 is fitted with a gear 126 rotating about a fixed axis T2 with respect to body 125; a pulley P1 is integral with gear 126 and connected to a pulley P2 by a belt (or chain) C; and pulley P2 is rotated by an electric motor 128 ( Figure 6) on body 125.
  • Body 125 is also fitted with an idler gear 127 rotating about a fixed axis T3 with respect to body 125.
  • body 125 The whole of body 125 is rotated about axis T1 by a linear actuator 140 hinged at F1 to the frame of machine 1 and connected to body 125 by an articulated joint S1.
  • a punch assembly 3b for example, is therefore rotated by simply switching from the Figure 5B release configuration to the Figure 5A engaged position, in which idler gear 127 meshes with toothed annular appendix 22, and then rotating gears 126 and 127 by means of motor 128.
  • the switch from the release configuration (Figure 5B) to the engaged configuration ( Figure 5A) is made using a device 117 comprising actuator 140.
  • body 125 is rotated by actuator 140 about axis T1 in the direction of arrow FR ( Figure 5B) and in a plane P substantially containing gear 126, idler gear 127, and toothed annular appendix 22.
  • Body 13 in fact, comprises an electric motor 138, a gear 136, an idler gear 137, and an actuator 141 ( Figure 6).
  • a multifunction machine for easily performing various types of punching operations and for also selecting the type and angular position of the punch.
  • a sequence of punching operations can also be set using the same punch in different angular positions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Claims (1)

  1. Blechbearbeitungsmaschine, bestehend aus:
    einem oberen, um eine erste vertikale Achse (T) drehbaren Teller (2);
    einer Anzahl von Stempelbaugruppen (3), die in den oberen Teller (2) entlang einer ersten kreisförmigen Linie (A) eingesetzt sind;
    Mitteln (5), die dazu bestimmt sind, den oberen Teller(2) um die erste vertikale Achse (T) zu drehen;
    einem unteren, um die erste vertikale Achse (T) drehbaren Teller (6);
    einer Anzahl von Matrizenbaugruppen (7), die in den unteren Teller (6) entlang einer zweiten kreisförmigen Linie eingesetzt sind;
    Mitteln (9), die dazu bestimmt sind, den unteren Teller 6) um die erste vertikale Achse (T) zu drehen;
    einer Stanzstation (10), die einen Stempel (11) aufweist, der seinerseits einen Stößel (12) umfasst;
    Mitteln (16), die dazu bestimmt sind, den Stempel (11) entlang einer zweiten vertikalen Achse (Z) zu bewegen;
    einem ersten Gerät (17), welches dazu bestimmt ist, die Stempelbaugruppe (3) um die zweite vertikale Achse (Z) zu drehen;
    einem zweiten Gerät (18), welches dazu bestimmt ist, die Matrizenbaugruppe (7) um die zweite vertikale Achse (Z) zu drehen;
    wobei das erste und das zweite Gerät (17, 18) jeweils ein erstes und ein zweites Gehäuse (25, 35) aufweisen, an dem jeweils erste und zweite Zahnräder (26, 27; 36, 37) gelagert sind, wobei ein erster und ein zweiter Motor (28, 38) vorgesehen sind, die jeweils dazu bestimmt sind, das entsprechende erste oder zweite Zahnrad (26, 27oder 36, 37) um eine jeweilige dritte vertikale Achse zu drehen, wobei erste und zweite Betätigungsmittel (34) vorgesehen sind, die dazu bestimmt sind, das entsprechende erste oder zweite Gehäuse (25, 35) jeweils zwischen einer Eingriffsposition, in der das erste Zahnrad (26, 27) des ersten Gerätes (17) mit einem ersten Zahnringansatz (22), der an einem Stempelgehäuse (21) der Stempelbaugruppe (3) angeformt ist, im Eingriff steht, und in der das zweite Zahnrad (36, 37) des zweiten Gerätes (18) mit einem zweiten Zahnringansatz (24), der an einem Matrizengehäuse (23) der Matrizenbaugruppe (7) angeformt ist, im Eingriff steht, und einer Freigabeposition zu bewegen,
    dadurch gekennzeichnet,
    dass das erste Gerät (17) das, das genannte erste Zahnrad, welches durch ein erstes Antriebszahnrad (26) und ein erstes frei drehbar gelagertes Zahnrad (27) gebildet wird, tragende erste Gehäuse (25) umfasst, wobei die beiden genannten Zahnräder miteinander im Eingriff stehen und jeweils eine vertikale Drehachse aufweisen, wobei das erste Gerät (17) ebenfalls den genannten ersten Motor umfasst, der als Elektromotor (28) ausgebildet ist und eine vertikale Ausgangswelle (31) aufweist, die unter einem Winkel über ein Universalgelenk (32) mit einer Nabe (33) des ersten Antriebszahnrades (26) in Verbindung steht und wobei schließlich das erste Gerät (17) ein erstes Betätigungsmittel (34) umfasst, welches dazu bestimmt ist, das erste Gehäuse (25) entlang einer horizontalen Achse zwischen einer Eingriffsposition, in der sich das erste frei drehbar gelagerte Zahnrad (27) mit dem ersten Zahnringansatz (22) der sich in der Stanzstation befindlichen Stempelbaugruppe (3) im Eingriff befindet und einer Freigabeposition zu bewegen, und
    dass das zweite Gerät (18) das, das genannte zweite Zahnrad, welches durch ein zweites Antriebszahnrad (36) und ein zweites frei drehbar gelagertes Zahnrad (37) gebildet wird, tragende zweite Gehäuse (35) umfasst, wobei die genannten Zahnräder miteinander im Eingriff stehen und jeweils eine vertikale Drehachse aufweisen,
    wobei das zweite Gerät (18) ebenfalls den genannten zweiten Motor umfasst, der als Elektromotor (38) ausgebildet ist und eine vertikale Ausgangswelle aufweist, die unter einem Winkel über ein zweites Universalgelenk mit einer Nabe des zweiten Antriebszahnrades (36) in Verbindung steht, und wobei schließlich das zweite Gerät (18) ein zweites Betätigungsmittel (44) umfasst, welches dazu bestimmt ist, das zweite Gehäuse (35) entlang einer horizontalen Achse zwischen einer Eingriffsposition, in der sich das zweite frei drehbar gelagerte Zahnrad (37) mit dem zweiten Zahnringansatz (24) der sich in der Stanzstation (10) befindlichen Matrizenbaugruppe (7) im Eingriff befindet und einer Freigabeposition zu bewegen.
EP20050108279 2004-09-10 2005-09-09 Blechbearbeitungsmaschine Not-in-force EP1634663B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20040561 ITBO20040561A1 (it) 2004-09-10 2004-09-10 Macchina per la lavorazione di lamiere

Publications (2)

Publication Number Publication Date
EP1634663A1 EP1634663A1 (de) 2006-03-15
EP1634663B1 true EP1634663B1 (de) 2007-11-28

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Application Number Title Priority Date Filing Date
EP20050108279 Not-in-force EP1634663B1 (de) 2004-09-10 2005-09-09 Blechbearbeitungsmaschine

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EP (1) EP1634663B1 (de)
DE (1) DE602005003521D1 (de)
IT (1) ITBO20040561A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049044B4 (de) 2006-10-18 2018-01-11 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Werkzeug zum Schneiden von plattenartigen Werkstücken
EP2177290B1 (de) 2008-10-18 2013-08-07 TRUMPF Werkzeugmaschinen GmbH + Co. KG Verfahren zum Definieren eines Stanzwerkzeugsatzes zum stanzenden Bearbeiten von Werkstücken sowie Stanzwerkzeugsatz und Stanzmaschine mit einem derartigen Stanzwerkzeugsatz
ATE536947T1 (de) * 2009-01-27 2011-12-15 Trumpf Werkzeugmaschinen Gmbh Werkzeug für eine stanzmaschine mit mehreren drehbaren werkzeugeinsätzen
EP3194090B1 (de) 2014-07-29 2018-06-06 SALVAGNINI ITALIA S.p.A. Stanzvorrichtung
CN105290231A (zh) * 2015-12-08 2016-02-03 胡云鑫 一种冲压模具下模结构
FR3046735B1 (fr) * 2016-01-14 2018-07-06 Psa Automobiles Sa. Outillage d’emboutissage modulaire pour ouvant de vehicule automobile
CN107839363A (zh) * 2017-11-15 2018-03-27 江苏亚威机床股份有限公司 一种伺服自动打码机
CN112453180A (zh) * 2020-12-25 2021-03-09 覃福周 一种毛坯加工用快速冲孔机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3441530A1 (de) * 1984-11-14 1986-05-22 C. Behrens Ag, 3220 Alfeld Aufnahmeeinrichtung fuer das werkzeug einer schneidpresse
DE3720777C2 (de) * 1987-06-24 1993-10-07 Behrens Ag C Revolverschneidpresse
DE3915489C1 (de) * 1989-05-12 1990-05-23 C. Behrens Ag, 3220 Alfeld, De
DE4411121C1 (de) * 1994-03-30 1995-03-23 Behrens Ag C Revolverschneidpresse
JP4636722B2 (ja) * 2001-04-02 2011-02-23 株式会社アマダ タレットパンチプレス

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Publication number Publication date
EP1634663A1 (de) 2006-03-15
DE602005003521D1 (de) 2008-01-10
ITBO20040561A1 (it) 2004-12-10

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