EP0724953B1 - Poinçonneuse avec espace allongé pour le montage de poinçons - Google Patents

Poinçonneuse avec espace allongé pour le montage de poinçons Download PDF

Info

Publication number
EP0724953B1
EP0724953B1 EP95100804A EP95100804A EP0724953B1 EP 0724953 B1 EP0724953 B1 EP 0724953B1 EP 95100804 A EP95100804 A EP 95100804A EP 95100804 A EP95100804 A EP 95100804A EP 0724953 B1 EP0724953 B1 EP 0724953B1
Authority
EP
European Patent Office
Prior art keywords
punch press
pivotally mounted
double
levers
ram
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
EP95100804A
Other languages
German (de)
English (en)
Other versions
EP0724953A1 (fr
Inventor
Oskar Eigenmann
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.)
Bruderer AG
Original Assignee
Bruderer 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
Priority to AT95100804T priority Critical patent/ATE158227T1/de
Application filed by Bruderer AG filed Critical Bruderer AG
Priority to DE59500682T priority patent/DE59500682D1/de
Priority to ES95100804T priority patent/ES2109022T3/es
Priority to EP95100804A priority patent/EP0724953B1/fr
Priority to SG1996000035A priority patent/SG33659A1/en
Priority to US08/587,035 priority patent/US5746123A/en
Priority to JP8008424A priority patent/JP2768656B2/ja
Publication of EP0724953A1 publication Critical patent/EP0724953A1/fr
Application granted granted Critical
Publication of EP0724953B1 publication Critical patent/EP0724953B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0064—Counterbalancing means for movable press elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/02—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by lever mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/02—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by lever mechanism
    • B30B1/06—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by lever mechanism operated by cams, eccentrics, or cranks
    • 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
    • Y10T83/8824—With provision for dynamic balance
    • 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
    • Y10T83/8828—Plural tools with same drive 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
    • Y10T83/8841—Tool driver movable relative to tool support
    • Y10T83/8848—Connecting rod articulated with tool support

Definitions

  • the present invention relates to a punch press with a press housing, at least one ram, a punching space, a device for generating a lifting movement, in which punching space a strip running plane of a respective strip to be processed to be fed in a strip feed direction through the punching space and to be processed is fixed.
  • the invention seeks to remedy this.
  • the object of the invention is to provide a punching machine which has a long tool installation space, but permits high machine speeds, does not require increased energy expenditure and does not cause excessively high dynamic inertia forces.
  • the punching machine has a device for generating a lifting movement which is articulated at one end of a respective plate group at at least two points which are at a distance from one another in the strip running direction and carry out lifting movements during operation of the punch press Lugs are articulated at their opposite ends at a respective end defining a articulation area at a first end of double levers of respective pairs of double levers, the individual double levers of each pair of double levers pointing in opposite directions with respect to the articulation area and being mounted at rocker bearing positions that are relative to one another in relation to the articulation area are symmetrically opposite, which double levers are hinged at their second end to a pressure column.
  • an eccentric shaft with associated components is described as an exemplary embodiment of a device for generating a lifting movement.
  • other designs of the device for generating a lifting movement are also possible, for example devices containing a crankshaft, hydraulic drives, drives containing cams, etc.
  • the punch press of the embodiment shown has an eccentric shaft 1 which is supported at its ends in main bearings 2a, 2b in the press housing 2.
  • the eccentric shaft 1 is driven, for example, via a clutch and brake device 3.
  • Such clutch and brake devices for punch presses are generally known, so that a detailed description is unnecessary.
  • the eccentric shaft 1 has an eccentric section 4.
  • this eccentric section 4 is a one-piece section of the eccentric shaft 1.
  • versions are obviously also possible in which the stroke adjustment of the tappet Punching press are present in the eccentric section 4 rotatable sleeves.
  • Such arrangements for stroke adjustment are known and express reference is made to CH-A-574 323 and US-A-4 160 409.
  • two connecting rods 5, 5a arranged next to one another are supported by roller bearings.
  • a connecting rod bolt 6 is arranged at the lower ends of the connecting rods 5, 5a.
  • the connecting rod pin 6 has end sections 6a, 6b, on which end sections 6a, 6b a sliding block 11a, 11b is arranged, which sliding blocks 11a, 11b are guided in sliding block guides 12a, 12b.
  • One-armed levers 7, 7a, 8 and 8a are mounted on the connecting rod bolt 6. At their opposite ends, the one-armed levers 7, 7a, 8 and 8a are articulated via bolts 13, 13a, 13b and 13c and tabs 14, 14a, 14b and 14c to respective spindle nuts 15, 15a, which are each arranged on a threaded spindle 16, 16a are.
  • the sliding blocks 11a, 11b and sliding inlets 12a, 12b thus form a device by means of which one end of the one-armed levers 7, 7a, 8, 8a are guided in the direction of the lifting movement.
  • the one-armed levers 7, 7a, 8 and 8a are thus supported on the press housing 2 at their ends opposite the connecting rod bolts 6. These ends are, as will be described in more detail below, supported in a height-adjustable manner, whereby the height of the plunger 32, 32a can be changed.
  • a bolt 18 or 18a is pressed in at a bearing 17 or 17a.
  • the bearing points 17, 17a are points which perform stroke movements when the punch press is in operation, for the sake of completeness it should be noted that these are non-linear movements.
  • Tabs 19, 19a, 19b and 19c are mounted on the bolts 18 and 18a at one of their ends, each forming a tab group. These tabs 19, 19a, 19b and 19c are supported at their lower ends on axially aligned bolts 20, 21, 20b and 20a, 21a, 20c.
  • the pin 21 is inserted in the double lever 23.
  • the bolts 20, 20b are inserted in the double lever 22.
  • the bolt 21a is inserted in the double lever 23a and the bolt 20a, 20c in the double lever 22a.
  • the double lever 23 is mounted on a pin 24 which defines a rocking bearing point and which is in turn mounted in the press housing 2.
  • the double lever 22 is mounted on a pin 25 which defines a further rocking bearing point and which is in turn mounted in the press housing 2.
  • the double lever 23a is mounted on the pin 24a and the double lever 22a on the pin 25a.
  • the double lever 23 is articulated on a pressure column 28 by means of a pin 26, and at its opposite end the double lever 22 is articulated on a pressure column 29 by means of a pin 27.
  • the pressure columns 28 and 29 are connected to the plunger 32 by means of bolts 30 and 31, and the pressure columns 28a and 29a are connected to the plunger 32a by means of bolts 30a and 31a.
  • all four pressure columns 28, 28a, 29, 29a could also be connected to only a single tappet, or each of the pressure columns could be connected to its own tappet.
  • the plunger 32 is firmly connected to two downwardly projecting guide columns 35, 35b.
  • the guide columns 35, 35b are guided in the tape running plane 36 in guides 33, 33b and the guide columns 35a, 35c in guides 33a, 33c.
  • This guide arrangement is described in detail in CH-A-568 848 and US-A-3 998 498 and reference is made to these documents for reasons of disclosure.
  • the plungers 32, 32a additionally contain a further, that is to say third, guide 34 or 34a, which are arranged above the belt running plane 36. Further guide columns 37, 37a firmly connected to the press housing 2 protrude into these third guides 34 and 34a, respectively.
  • the guides 34, 34a have sliding surfaces 38 (Fig. 4), (see the documents cited above), which in the longitudinal direction of the punch press, i.e. run in the tape feed direction.
  • the guides 34, 34a thus prevent the plungers 32, 32a from deflecting in the transverse direction of the punch press, but, due to the sliding surfaces 38, allow the plungers 32, 32a to expand thermally without the plunger guides 33, 33b; 33a, 33c; 34, 34a to brace.
  • the platen of the punch press is identified by reference number 39 and its base plate by reference number 40.
  • the tipping point K of the plunger 32 remains on the belt running plane 36. This means that the plunger 32 or the tool 51 (upper tool) connected to it does not on the belt running plane 36 deflects.
  • FIG. 5 shows a section along the line V-V of FIG. 3, and in particular a section through the double levers 22, 23.
  • the pull tab group 19, 19a articulated on the one-arm lever 7, 8 contains inner pull tabs 19b which are connected to the inner bolt 21 which is inserted in the end of the double lever 23. During operation, these inner pull tabs 19b transmit the force symmetrically via the double lever 23 supported on the pin 24 at the luffing bearing point to the pin 26 and thus to the pressure column 28.
  • the outer pull tabs 19 are connected to the outer pins 20, 20b, which in End of the double lift 22 are used. During operation, these outer pull tabs 19 transmit the force symmetrically via the double lever 22 supported on the pin 25 at the luffing bearing point to the pin 27 and thus to the pressure column 29.
  • FIG. 6 shows a section along the line VI-VI of FIG. 3 and in particular a section through the single-armed levers 7, 8, 7a and 8a, only the levers 7 and 8 arranged on the left in FIG. 1 being shown completely in FIG. 6 are.
  • the following description again relates to the components arranged on the left in accordance with FIG. 1.
  • the load transmitted by the plunger 32 via the components described above during operation of the punch press is partly transmitted through the inner pull tabs 19b to the common bolt 18 and thus symmetrically to the bearing points 17 of the one-armed lever 7, 8.
  • the other part of the load is also transmitted through the outer pull tabs 19 to the common bolt 18 and thus symmetrically to the bearing points of the one-armed lever 7, 8.
  • the one-armed levers 7, 8, on the one hand, transfer the load acting on the bolt 18 or bearing 17 via the bolt 6 and the connecting rods 5, 5a (FIGS. 1, 2) to the eccentric section 4 of the eccentric shaft 1, which is in the main bearings 2a , 2b is supported in the press housing 2.
  • the load at the opposite end of the one-armed lever 7, 8 is transmitted via the bolts 13, 13b, the tabs 14, 14b, the spindle nut 15 to the threaded spindle 16, which is however rotatably supported on the press housing 2 in a stationary manner.
  • the height position of the plunger 32 can be adjusted.
  • the threaded spindle 16 has a worm wheel 43 which meshes with a worm 42 (FIGS. 5, 6).
  • the spindle nut 15 has an extension 44 which projects into a guide groove 45 of the press housing 2, with which the spindle nut 15 is secured against rotation.
  • the worm 42 is driven by a servo motor 41.
  • the worm 42 If the worm 42 is rotated by the servo motor 41, it causes the threaded spindle 16 to rotate and thus causes the spindle nut 15 to be displaced in the vertical direction. This displacement movement is carried out via the tabs 14, 14b on the bolt 13 and thus on the lever pairs 7, 8 or 7, 11 transmitted.
  • the opposite connecting rod pin 6 is fixed in its position with respect to a respective position of the eccentric shaft 1. Consequently, the connecting rod pin 6 forms the pivot center of the pairs of levers 7, 8 when they are moved through the tabs 14, 14b.
  • a vertical movement of the tabs 14, 14b generated by the servo motor 41, the worm 42, the worm wheel 43 and the threaded spindle 16 causes a pivoting movement of the bolt 18 and thus an upward or downward movement of the tabs 19, 19b.
  • This movement is transmitted via the double levers 22, 23 to the pressure columns 28, 29, with the result that the plunger 32a is finally displaced in its vertical position.
  • each threaded spindle 16, 16a is connected to its own servo drive, the height of the two plungers 32, 32a can be adjusted synchronously or separately from one another.
  • each ram 32, 32a can be adjusted independently of the other ram 32a, 32 in steps of less than 10 ⁇ m in its height.
  • Each punch press needs training to balance the moving masses, and a wide variety of designs, including mass balancing weights, are known.
  • the total mass of the guide columns 35, 35b, the plunger 32, the pressure columns 28, 29 and the section of the double levers 22, 23 which, from their articulation point on the pressure columns 28, 29 (bolts 26, 27) to the rocker bearing point, i.e. Bolt 24, 25 extends, is the same size as the total mass of the section of the double lever 22, 23, which from the rocker bearing point, i.e.
  • Bolts 24, 25 extend to the link point on the tabs 19, 19b, the tabs 19, 19b, the one-armed levers 7, 8, the sliding blocks 11a, 11b, the connecting rods 5, 5a and the connecting rod bolts 6, 6a, 6b of the eccentric section 4 , the elongated upper ends 9, 9a of the connecting rods 5, 5a, the links 47, 47a articulated to the upper ends 9, 9a and the bolts 46, 46a.
  • the links 47, 47a which are articulated via the bolts 46, 46a to elongated upper ends 9, 9a of the connecting rods 5, 5a, are connected at their opposite ends via bolts 48, 48a, each with a counterweight 49, 49a.
  • These counterweights 49, 49a are mounted on bolts 50, 50a.
  • the bolts 50, 50a are arranged at such a point in the press housing 2 and the counterweights 49, 49a are mounted on the bolts 50, 50a in such a way that their centers of mass M, Ma at the respective reversal point of the counterweights 49, which pivot in the opposite direction to the eccentric section 4.
  • 49a are at least approximately at the height of the central axis 10 of the eccentric shaft 1, as indicated by the dash-dotted line 10 in FIGS. 1 and 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Road Signs Or Road Markings (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (14)

  1. Presse à étamper, avec un carter (2), au moins un poinçon (32, 32a), un espace d'étampage (53), un dispositif (1, 5, 6, 11a, 12a, 7, 7a, 8a) pour produire un mouvement alternatif, un plan (36) d'avancement de la bande à étamper étant déterminé dans l'espace d'étampage (53), caractérisée en ce que le dispositif (1, 5, 6, 11a, 12a, 7, 7a, 8, 8a) pour produire un mouvement alternatif est articulé, en au moins deux endroits (18, 18a) à distance l'un de l'autre en direction d'avance de la bande et effectuant des mouvements alternatifs lors du fonctionnement de la presse, à une extrémité d'un groupe de bielles (19, 19a; 19b, 19c) dont les bielles (19, 19a, 19b, 19c) sont articulées à leurs autres extrémités, à un endroit déterminant la région d'articulation (20, 21, 20b; 20a, 21a, 20c) à une première extrémité de culbuteurs (22, 23,; 22a, 23a) formant des paires de culbuteurs, les culbuteurs individuels (22, 23; 22a, 23a) de chaque paire étant orientés à l'opposé l'un de l'autre par rapport à la région d'articulation et reposant sur des paliers (24, 25; 24a, 25a) se faisant face symétriquement par rapport à la région d'articulation (20, 21, 20b; 20a, 21a, 20c), les culbuteurs (22, 23; 22a, 23a) étant articulés à leur seconde extrémité sur une colonne de pression (28, 29; 28a, 29a).
  2. Presse à étamper selon la revendication 1, caractérisée en ce que les culbuteurs (22, 23; 22a, 23a) de chaque paire sont disposés les uns à la suite des autres en direction d'avance de la bande.
  3. Presse à étamper selon une des revendications 1 ou 2, caractérisée en ce qu'elle comprend deux paires (22, 23; 22a, 23a) de culbuteurs se suivant les une les autres en direction d'avance de la bande.
  4. Presse à étamper selon une des revendications précédentes, caractérisée en ce que le dispositif (1, 5, 6, 11a, 12a, 7, 7a, 8, 8a) pour produire un mouvement alternatif est articulé en deux endroits à des emplacements (18, 18a) effectuant des mouvements alternatifs et situés à une extrémité de groupes de bielles (19, 19b; 19a, 19c), ces emplacements étant situés à égale distance d'un plan de symétrie du carter (2) de la machine perpendiculaire à la direction d'avance de la bande.
  5. Presse à étamper selon une des revendications précédentes, caractérisée en ce qu'elle comporte deux paires de culbuteurs dont chaque culbuteur (22, 23; 22a, 23a) est articulé sur une colonne de pression correspondante (28, 29; 28a, 29a), de manière à ce que la presse comprenne quatre colonnes de pression (28, 29; 28a, 29a).
  6. Presse à étamper selon une des revendications précédentes, caractérisée en ce que les colonnes de pression (28, 29; 28a, 29a) de chaque paire de culbuteurs sont articulées sur un poinçon (32; 32a).
  7. Presse à étamper selon une des revendications précédentes, caractérisée en ce que les poinçons (32; 32a) sont espacés dans la direction du plan d'avance (36) de la bande.
  8. Presse à étamper selon une des revendications précédentes, caractérisée en ce que chaque poinçon (32; 32a) comporte à proximité d'une extrémité deux colonnes de guidage (35, 35b; 35a, 35c) à distance l'une de l'autre guidées par des unités de guidage (33, 33b; 33a, 33c) fixées au carter de la presse et disposées dans le plan d'avance (36) de la bande.
  9. Presse à étamper selon la revendication 8, caractérisée en ce qu'une autre colonne de guidage (37; 37a) située à distance des deux colonnes de guidage (35, 35b; 35a, 35c) est fixée au carter (2) de la presse dans la région de chaque poinçon (32, 32a), cette autre colonne de guidage pénétrant dans une autre unité de guidage (34; 34a) agencée dans le poinçon (32; 32a) et située au-dessus du plan d'avance (36) de la bande, de façon à ce que chaque poinçon (32; 32 a) soit guidé en trois points.
  10. Presse à étamper selon une des revendications précédentes, caractérisée en ce que le dispositif (1, 5, 6, 11a, 12a, 7, 7a, 8, 8a) pour produire un mouvement alternatif comporte deux leviers à un seul bras (7, 8; 7a, 8a) réunis à leur premières extrémités avec un dispositif au moyen duquel cette première extrémité est guidée en direction du mouvement alternatif et s'appuyant à leurs secondes extrémités opposées aux premières extrémités sur le carter (2) de la presse, les articulations (18; 18a) de chaque groupe de bielles (19, 19b; 19a, 19c) effectuant un mouvement alternatif étant disposés entre les extrémités des leviers à un seul bras (7, 8; 7a, 8a) qui s'appuient de façon réglable en hauteur sur le carter de la presse à leur autre extrémité par l'intermédiaire de tiges filetées (16; 16a), de manière à ce que la hauteur de la seconde extrémité de chaque levier à un seul bras (7, 8; 7a, 8a) et par conséquent la position en hauteur du poinçon (32, 32a) qui y est réuni, et donc la position en hauteur de chaque poinçon (32, 32a), soit réglable indépendamment ou en synchronisme avec chaque autre poinçon (32, 32a).
  11. Presse à étamper selon une des revendications précédentes, caractérisée en ce que la masse totale des colonnes de guidage (35, 35b; 35a, 35c), des poinçons (32, 32a), des colonnes de pression (28, 29; 28a, 29a), et de la partie des culbuteurs (22, 23; 22a, 23a) s'étendant depuis leur articulation sur les colonnes de pression (28, 29; 28a, 29a) jusqu'aux paliers (24, 25; 24a; 25a) des culbuteurs est égale à la masse totale de la partie de chaque culbuteur (22, 23; 22a, 23a) s'étendant depuis son palier (24, 25; 24a, 25a) jusqu'à l'articulation avec les bielles (19, 19b; 19a, 19c), des bielles, des leviers à un seul bras (7, 8; 7a, 8a), des glisseurs (11a, 11b) des bielles (5, 5a) et de leurs goujons (6, 6a, 6b) de l'excentrique (4), des prolongations supérieures (9, 9a) des bielles (5, 5a), des bielles d'accouplement (47, 47a) articulés sur les extrémités supérieures (9, 9a), et des goujons (46, 46a).
  12. Presse à étamper selon une des revendications précédentes, caractérisée en ce que le dispositif (1, 5, 6, 11a, 12a, 7, 7a, 8, 8a) pour produire un mouvement alternatif comporte un arbre à excentrique (1) et une unité de bielle (5, 5a) réunie à l'arbre par un palier et comprenant une première extrémité avec un glisseur (11a, 11b) mené dans une coulisse (12a, 12b) et sur lequel sont articulés des leviers à un seul bras (7, 8; 7a, 8a) s'appuyant à leur autre extrémité de façon réglable en hauteur sur le carter (2) de la presse et sur lesquels sont articulés les groupes de bielles correspondants (19, 19a; 19b; 19c), l'unité de bielle (5, 5a) étant articulée à son autre extrémité (9, 9a) diamétralement opposée à la première par rapport à l'arbre à excentrique (1) sur une barre transversale (47, 47a) elle-même articulée à chacune de ses deux extrémités sur un contrepoids (49, 49a) monté sur l'excentrique et destiné à compenser les composantes horizontales de la masse en rotation non-équilibrée de la presse à étamper.
  13. Presse à étamper selon une des revendications précédentes, caractérisée en ce que le dispositif (5, 6, 11a, 12a, 7, 7a, 8, 8a) pour transformer le mouvement rotatif de l'arbre excentrique (1) en un mouvement alternatif comporte au moins une bielle (5, 5a) montée sur une partie excentrique (4) de l'arbre excentrique (1) et comportant une extrémité menée dans un guide rectiligne (11, 11a; 12, 12a) comprenant un bloc de guidage (11, 11a) avec un goujon (6, 6a, 6b) sur lequel est articulée, l'extrémité de la bielle (5, 5a), le bloc de guidage (11, 11a) étant réuni à des organes de transmission de force (7, 8, 19, 19b; 7a, 8a, 19a, 19c), eux-mêmes articulés à une extrémité sur une extrémité de culbuteurs (22, 23; 22a, 23a) faisant partie de paires de culbuteurs, ces culbuteurs (22, 23; 22a, 23a) étant montés sur des paliers de culbuteurs (24, 25; 24a, 25a) et présentant une seconde extrémité sur laquelle est articulée une colonne de pression (28, 29; 28a, 29a) réunie à un poinçon (32, 32a) qui est ainsi relié à une paire de culbuteurs correspondante par l'intermédiaire de deux colonnes de pression (28, 29; 28a, 29a).
  14. Presse à étamper selon une des revendications précédentes et comportant au moins deux poinçons (32, 32a), caractérisée en ce que chaque poinçon est guidé par trois colonnes de guidage (35, 35b, 37; 35a, 35c, 37a) dont deux (35, 35b; 35a, 35 c) sont rigidement fixées au poinçon (32, 32a) et une (37; 37a) est rigidement réunie au carter (2) de la presse.
EP95100804A 1995-01-21 1995-01-21 Poinçonneuse avec espace allongé pour le montage de poinçons Expired - Lifetime EP0724953B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE59500682T DE59500682D1 (de) 1995-01-21 1995-01-21 Stanzpresse mit langem Werkzeugeinbauraum
ES95100804T ES2109022T3 (es) 1995-01-21 1995-01-21 Prensa estampadora con espacio de montaje de utiles largo.
EP95100804A EP0724953B1 (fr) 1995-01-21 1995-01-21 Poinçonneuse avec espace allongé pour le montage de poinçons
AT95100804T ATE158227T1 (de) 1995-01-21 1995-01-21 Stanzpresse mit langem werkzeugeinbauraum
SG1996000035A SG33659A1 (en) 1995-01-21 1996-01-04 A punch press with a long space for receipt of a tool
US08/587,035 US5746123A (en) 1995-01-21 1996-01-16 Punch press having an elongate space for mounting its tools
JP8008424A JP2768656B2 (ja) 1995-01-21 1996-01-22 パンチプレス機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95100804A EP0724953B1 (fr) 1995-01-21 1995-01-21 Poinçonneuse avec espace allongé pour le montage de poinçons

Publications (2)

Publication Number Publication Date
EP0724953A1 EP0724953A1 (fr) 1996-08-07
EP0724953B1 true EP0724953B1 (fr) 1997-09-17

Family

ID=8218924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100804A Expired - Lifetime EP0724953B1 (fr) 1995-01-21 1995-01-21 Poinçonneuse avec espace allongé pour le montage de poinçons

Country Status (6)

Country Link
US (1) US5746123A (fr)
EP (1) EP0724953B1 (fr)
JP (1) JP2768656B2 (fr)
AT (1) ATE158227T1 (fr)
DE (1) DE59500682D1 (fr)
ES (1) ES2109022T3 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0867275B1 (fr) * 1997-03-26 2003-09-17 Rolf Hänggi Poinçonneuse avec outillage
ATE184236T1 (de) * 1997-12-12 1999-09-15 Bruderer Ag Presse, insbesondere stanzpresse
KR100591138B1 (ko) * 1998-12-18 2006-06-19 히다찌긴조꾸가부시끼가이사 시트재 천공 장치
JP4404984B2 (ja) * 1999-03-24 2010-01-27 株式会社山田ドビー プレス機
DE19918700A1 (de) * 1999-04-26 2000-11-02 Mueller Weingarten Maschf Hydromechanischer Pressenantrieb
US6405576B1 (en) * 1999-11-30 2002-06-18 Aida Engineering Co., Ltd. Linear slide press machine
JP3667227B2 (ja) * 2000-11-13 2005-07-06 株式会社山田ドビー プレス機
DE10065255B4 (de) * 2000-12-29 2005-02-17 Schuler Pressen Gmbh & Co. Kg Mehrstufenpresse
JP3897562B2 (ja) * 2001-10-24 2007-03-28 アイダエンジニアリング株式会社 機械プレス
JP2003211374A (ja) * 2002-01-21 2003-07-29 Hitachi Koki Co Ltd 電動工具
JP4313816B2 (ja) * 2006-12-27 2009-08-12 株式会社山田ドビー プレス機械
EP2008799A1 (fr) * 2007-06-28 2008-12-31 Bruderer Ag Presse à découper
WO2021144012A1 (fr) * 2020-01-15 2021-07-22 Bruderer Ag Procédé de fonctionnement d'une presse à estamper et presse à estamper pour le fonctionnement selon le procédé

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US238983A (en) * 1881-03-15 storehouse
US2105053A (en) * 1934-06-15 1938-01-11 Hydraulic Press Corp Inc Four-point hydraulically operated press
US2085648A (en) * 1935-06-10 1937-06-29 Clearing Machine Corp Press
US2204413A (en) * 1937-07-26 1940-06-11 Hydraulic Press Corp Inc Hydromechanical press
US2738748A (en) * 1952-01-29 1956-03-20 May Pressenbau G M B H Fa Toggle lever operating arrangement for a press
CH543377A (de) * 1971-10-01 1973-10-31 Bruderer Ag Einrichtung zur Höhenverstellung des Bärs einer Stanzmaschine
US3747452A (en) * 1972-01-12 1973-07-24 V Gilev Automatic press for die blanking of two concentric parts from steel strips
US4160409A (en) * 1974-09-03 1979-07-10 Bruderer Ag Drive for the movable work component, such as the ram of a press, stamping machine or the like
DE2657911A1 (de) * 1975-12-26 1977-07-14 Komatsu Mfg Co Ltd Transferpresse
DE2900900C2 (de) * 1979-01-11 1982-10-07 RWM-Raster-Werkzeugmaschinen GmbH, 7136 Ötisheim Schnellaufende Exzenterpresse oder Stanze
US4276823A (en) * 1979-01-11 1981-07-07 R W M-Raster-Werkzeugmaschinen Gmbh Eccentric press
DE3332173A1 (de) * 1982-09-06 1984-03-08 Mabu-Pressen Maschinenfabrik Karl Burkard KG, 6370 Oberursel Exzenterpresse
US4934173A (en) * 1989-03-17 1990-06-19 Amp Incorporated Stamping and forming machine having toggles for reciprocating the tooling assemblies
CH679471A5 (fr) * 1989-05-03 1992-02-28 Bruderer Ag
DE4127181A1 (de) * 1991-08-16 1992-03-12 Schuhmaschinenbau Compart Gmbh Brueckenstanze mit elektrohydraulischem antrieb fuer stanzhubbewegung
CH684394A5 (de) * 1991-12-11 1994-09-15 Bruderer Ag Einwellen-Stanzpresse.

Also Published As

Publication number Publication date
ES2109022T3 (es) 1998-01-01
US5746123A (en) 1998-05-05
ATE158227T1 (de) 1997-10-15
EP0724953A1 (fr) 1996-08-07
JPH08267294A (ja) 1996-10-15
DE59500682D1 (de) 1997-10-23
JP2768656B2 (ja) 1998-06-25

Similar Documents

Publication Publication Date Title
EP0765735B1 (fr) Presse poinçonneuse à genouillère
DE69003281T2 (de) Vorrichtung zum Stanzen oder Formen mit Kniehebeln für die hin- und hergehende Bewegung der Werkzeuge.
DE19521050C2 (de) Kniehebel-Antriebsvorrichtung
EP0724953B1 (fr) Poinçonneuse avec espace allongé pour le montage de poinçons
EP0024699B1 (fr) Entraînement de presse
EP0927630B1 (fr) Presse, en particulier presse à estamper
EP2694230B1 (fr) Presse radiale
EP0395964B1 (fr) Dispositif pour l'équilibrage des forces dues aux masses dans une machine à manivelle, notamment une machine à poinçonner
EP0057741B1 (fr) Entraînement de presse
DE3806352A1 (de) Vorrichtung zum auswerfen von werkstuecken aus matrizen in einer umformpresse
WO2013056807A1 (fr) Presse
EP3160726B1 (fr) Presse à châssis en c, améliorée
EP0953438B1 (fr) Presse à estamper, en particulier presse rapide
EP0058828B1 (fr) Outil à levier à transmission progressive
CH695990A5 (de) Pressmaschine, insbesondere Gelenkpresse.
CH646375A5 (de) Antrieb fuer eine presse.
CH638720A5 (de) Presse.
CH691449A5 (de) Presse.
EP0283532B1 (fr) Presse à couper et déformer à entraînement à genouillère hydro-mécanique
DE4220043C2 (de) Schneid- und Umformpresse mit einem oder mehreren Antriebzylindern und einem Gelenkhebelantrieb
EP0635320A1 (fr) Serre-flan pour presses à simple effet en particulier pour presses mécaniques et presses de transfert
EP0648596B1 (fr) Presse, en particulier presse à découper à grande vitesse
DE102016107594A1 (de) Spielfreier Zwischenantrieb einer Presse mit Servomotor
DE102017118069A1 (de) Mehrständerpresse mit geführtem Stößel
EP1762313B1 (fr) Dispositif de deformage d'une pièce

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19960207

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT CH DE ES FR GB IT LI NL

AX Request for extension of the european patent

Free format text: LT;SI

RAX Requested extension states of the european patent have changed

Free format text: LT;SI

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 19970128

RBV Designated contracting states (corrected)

Designated state(s): AT CH DE ES FR GB IT LI NL

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE ES FR GB IT LI NL

AX Request for extension of the european patent

Free format text: LT;SI

REF Corresponds to:

Ref document number: 158227

Country of ref document: AT

Date of ref document: 19971015

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: E. BLUM & CO. PATENTANWAELTE

Ref country code: CH

Ref legal event code: EP

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19970922

REF Corresponds to:

Ref document number: 59500682

Country of ref document: DE

Date of ref document: 19971023

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2109022

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: BRUDERER AG

Free format text: BRUDERER AG#EGNACHER STRASSE 44#CH-9320 FRASNACHT (CH) -TRANSFER TO- BRUDERER AG#EGNACHER STRASSE 44#CH-9320 FRASNACHT (CH)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20100114

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20110202

Year of fee payment: 17

Ref country code: IT

Payment date: 20110125

Year of fee payment: 17

Ref country code: NL

Payment date: 20110117

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20110125

Year of fee payment: 17

Ref country code: GB

Payment date: 20110120

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110121

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20120801

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20120121

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20120928

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120801

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20130705

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120122

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20131213

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20140122

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59500682

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL