EP0765735B1 - Presse poinçonneuse à genouillère - Google Patents

Presse poinçonneuse à genouillère Download PDF

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Publication number
EP0765735B1
EP0765735B1 EP19950115190 EP95115190A EP0765735B1 EP 0765735 B1 EP0765735 B1 EP 0765735B1 EP 19950115190 EP19950115190 EP 19950115190 EP 95115190 A EP95115190 A EP 95115190A EP 0765735 B1 EP0765735 B1 EP 0765735B1
Authority
EP
European Patent Office
Prior art keywords
punch press
ram
toggle joint
driving mechanism
joint units
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
EP19950115190
Other languages
German (de)
English (en)
Other versions
EP0765735A1 (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 ES95115190T priority Critical patent/ES2157279T3/es
Application filed by Bruderer AG filed Critical Bruderer AG
Priority to AT95115190T priority patent/ATE200448T1/de
Priority to DE59509185T priority patent/DE59509185D1/de
Priority to EP19950115190 priority patent/EP0765735B1/fr
Priority to US08/717,215 priority patent/US5823087A/en
Priority to SG9610706A priority patent/SG84498A1/en
Priority to JP25605596A priority patent/JP3394396B2/ja
Publication of EP0765735A1 publication Critical patent/EP0765735A1/fr
Application granted granted Critical
Publication of EP0765735B1 publication Critical patent/EP0765735B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B30B1/10—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 toggle 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
    • B30B1/10—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 toggle mechanism
    • B30B1/14—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 toggle mechanism operated by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides
    • B30B15/041—Guides
    • 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
    • Y10T83/8843—Cam or eccentric revolving about fixed axis
    • 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
    • Y10T83/8845—Toggle links, one link pivoted to tool support
    • 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
    • Y10T83/8853—Including details of guide for tool or tool support
    • 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
    • Y10T83/8855—With spaced guide pins [e.g., die set leader pins]

Definitions

  • the invention relates to a punch press a press housing, at least one ram, one Punching room in which a strip running level of a respective to be fed through the punching space in the tape feed direction, band to be processed is determined with a drive device with an arrangement of Toggle lever units connected in the tape feed direction arranged on both sides of the drive device are.
  • GB-A-288 398 shows a press whose Tappet from a drive with toggle lever units an upper and a lower handlebar each moved becomes.
  • the lower handlebars are directly on the tappet articulated, which is therefore not guided in the strip running plane is and especially with an eccentric Cannot tilt the load. Because the Pestle only by the directly on it articulated lower handlebar, there is a highly imprecise guidance that is unacceptable for punch presses of the pestle.
  • DE-B-1 127 175 has toggle lever units on whose upper handlebars on the machine frame and their lower links are hinged to bridges. These bridges are with tension columns in the machine frame connected, which in turn rigidly connected to the plunger are. So there is also no deflection of the ram possible with an off-center load and moreover would cause bending forces in the Traction columns for increased friction and wear lead the same and their guides.
  • the invention seeks to remedy this.
  • the object of the invention is to provide a punching machine in which the power transmission with an arrangement of Toggle lever units are made, which has a long tool installation space has, but allows high machine speeds, no increased energy consumption required and none causes excessively high dynamic mass forces.
  • the punching machine according to the invention contains at least one side of their drive device at least two Toggle units. All toggle lever units of the punch press are connected to the drive with at least one plunger.
  • Embodiment described a punch press that an electric motor via a clutch brake device is driven, which is connected to an eccentric shaft is.
  • a crankshaft hydraulic drives
  • the punch press of the drawn version has an eccentric shaft 1.
  • This eccentric shaft 1 is from a drive motor 51 via a belt drive 52 and a clutch brake device 2 driven.
  • Such Clutch brake devices for punch presses are common known, so that there is a detailed description superfluous.
  • Figure 5 are of the clutch brake device 2, the brake disc 41 and the Friction linings 49, 50 are shown.
  • the eccentric shaft 1 has eccentric sections 3, 4a and 4b.
  • On the eccentric section 3 is a Connecting rods 6 mounted, and on the eccentric sections 4a, 4b a forked connecting rod 5 is mounted.
  • For the eccentric sections 3, 4a and 4b can also be rotated relative to one another Bushes for adjusting the stroke of the punch of the punch press be present, as is the case with various known ones Punch presses is the case.
  • the connecting rod 5 is connected to a pivot pin 7 a connecting link 9a, 9b articulated, and the connecting rod 6 is via a hinge pin 8 on a connecting bracket 10a, 10b articulated.
  • the connecting strap 9a, 9b is over one first pin 11 articulated to first toggle lever core 15a, 15b.
  • the connecting strap 9a, 9b is also over a second bolt 12 on second toggle lever core 16a, 16b hinged.
  • the connecting strap 10a, 10b is over a third bolt 13 is articulated to the toggle lever core 17a, 17b.
  • the connecting tab 10a, 10b continue via a fourth bolt 14 on knee lever core 18a, 18b articulated.
  • the respective upper toggle links 15a, 16a, 17a and 18a are via eccentric shafts 19, 20, 21 and 22 supported in the housing 23 of the punch press.
  • the respective lower toggle links 15b, 16b, 17b and 18b are on via bolts 24, 25, 26 and 27 respectively Pressure columns 28, 29, 30 and 31 articulated.
  • the bolts 24, 25, 26 and 27 are with their end portions, in the figure 2, for example, the end sections 25a, 25b are drawn, stored in sliding blocks, the general in Figure 1 with the reference numbers 32, 33, 34 and 35 and in the Figure 3 generally identified by reference numerals 32, 33 are.
  • the sliding blocks 32, 33, 34, and 35 are over grooves supported on the housing 23. These grooves are in the 3 generally identified by reference numerals 36 and 53, and accordingly in the sectional view of FIG 2 with 36a and 36b.
  • eccentric shafts 19, 20, 21 and 22 in the housing 23 are connected to eccentric shafts 37, 38, 39 and 40.
  • the Worm gears 37, 38, 39 and 40 mesh with worms 45, 46, 47 and 48.
  • Screws 45 and 46 via a drive shaft 43 with a Servo motor 42
  • the screws 47 and 48 via a drive shaft 44 connected to a servo motor 41.
  • all four pressure columns 28, 29, 30 and 31 also connected with a single plunger or each of the pressure columns could be with one own tappet.
  • the plunger 56 is fixed with two downwards projecting guide columns 58, 59 connected.
  • the pillars 58, 59 are in guides in the tape running plane 60 61, 62 out.
  • the plunger 57 is fixed with guide columns 63, 64 connected and guided in guides 65, 66.
  • This guide arrangement is in CH-A-568 848 or US-A-3 998 498 is described in detail and is incorporated herein by reference Reference to these documents for the sake of disclosure.
  • the plungers 56, 57 additionally contain one further, i.e. third guide 67 or 68, which above the Belt running level 60 is arranged. With the press housing 23 firmly connected further guide columns 69, 70 protrude into these third guides 67 and 68, respectively.
  • the guides 67, 68 have sliding surfaces 71 (FIG. 4), (see those given above Documents) which are in the longitudinal direction of the punch press, i.e. run in the tape feed direction.
  • the guides 67, 68 thus prevent the rams from deflecting 56, 57 in the transverse direction of the punch press, but leave due the sliding surfaces 71 a thermal expansion of the plunger 56, 57 to, without any tappet guides of the Tappet 56, 57 to brace.
  • the platen is Punching press with the reference number 72 and its base plate identified by reference numeral 73.
  • the tipping point K remains of the ram 56 on the belt running level 60. That is, that the plunger 56 or the tool connected to it 74 (upper tool) does not deflect in the belt running plane 60.
  • the guide 67 or its running surfaces 71 allow a corresponding shift.
  • the seals 75, 76 between the press housing 23 and the Pressure columns 28, 29 are movable seals, which prevent even when the ram 56 is inclined, that oil from the closed press housing 23 in the Work space emerges and the band to be processed as well the tools are dirty.
  • the plunger 56 is above the pressure columns 28, 29 and the knee joint levers 15a, 15b and 16a, 16b with the eccentric shafts 19 and 20 connected as above described, with a common drive, the servo motor 42 are connected.
  • the pestle stands accordingly 57 via the pressure columns 30, 31 and the knee joint levers 17a, 17b and 18a, 18b with the eccentric shafts 21 and 20 in connection, which in turn with the servo motor 41 in Connect. It can thus be seen that the high altitudes of the two plungers 56 and 57 independently of one another are adjustable. Obviously, the servomotors can also be operated synchronously, so that the high altitudes the plunger 56 and 57 also adjustable synchronously are.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Punching Or Piercing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Saccharide Compounds (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (7)

  1. Presse à étamper avec un châssis (23), au moins un poinçon (56; 57), un espace d'étampage dans lequel est déterminée une direction d'avance d'une bande à façonner devant traverser l'espace d'étampage, avec un dispositif d'entraínement (5, 6) connecté avec un ensemble d'unités à genouillère (15a, 15b; 16a, 16b; 17a, 17b; 18a, 18b) agencées dans la direction d'avance de la bande des deux côtés du dispositif d'entraínement (5, 6), au moins deux unités à genouillère (15a, 15b; 16a, 16b; 17a, 17b; 18a, 18b) étant agencées sur au moins un côté du dispositif d'entraínement (5, 6), et en ce que chaque unité à genouillère (15a, 15b; 16a, 16b; 17a, 17b; 18a, 18b) entraíne au moins un poinçon (56, 57) et que chaque unité à genouillère (15a, 15b; 16a, 16b; 17a, 17b; 18a, 18b) comporte un premier levier (15a, 16a, 17a, 18a) et un second levier (15b, 16b, 17b, 18b) articulé sur le premier ainsi que, par l'intermédiaire d'un goujon (24, 25, 26, 27), sur la colonne de pression (28, 29, 30, 31), ce goujon étant monté sur le châssis (23) de façon mobile dans la direction de la course du poinçon (56, 57) et de façon fixe transversalement à la direction de cette course.
  2. Presse à étamper selon la revendication 1, caractérisée en ce que les unités à genouillère (15a, 15b; 16a, 16b; 17a, 17b; 18a, 18b) sont disposées par paires de part et d'autre du dispositif d'entraínement et que chaque paire est articulée sur une colonne de pression (28, 29, 30, 31), de façon à ce que la presse comporte quatre colonnes de pression (28, 29, 30, 31).
  3. Presse à étamper selon une des revendications précédentes, caractérisé en ce que des paires d'unités à genouillère (15a, 15b; 16a, 16b, respectivement 17a, 17b; 18a, 18b) sont disposées de part et d'autre du dispositif d'entraínement (5, 6) et articulées par l'intermédiaire de leur colonnes de pression (28, 29, 30, 31) sur un poinçon (56, 57) correspondant, de façon à ce que la presse comporte deux poinçons distincts (56, 57) espacés l'un de l'autre dans la direction d'avance de la bande.
  4. Presse à étamper selon une des revendications précédentes, caractérisée en ce que les arbres d'excentrique (19, 20) des unités à genouillère (15a, 15b; 16a, 16b) disposées d'un côté du dispositif d'entraínement (5, 6) sont accouplés à un premier entraínement (42, 43), et les arbres d'excentrique (21, 22) des unités à genouillère (17a, 17b; 18a, 18b) disposées de l'autre côté du dispositif d'entraínement (5, 6) accouplés à un second entraínement (41, 44), de manière à ce que le réglage en hauteur des arbres d'excentrique (19, 20; 21, 22), et donc des poinçons, (56, 57) puisse être effectué de façon synchrone ou séparée.
  5. Presse à étamper selon une des revendications précédentes, caractérisée en ce que chaque poinçon (56, 57) présente à une extrémité deux colonnes de guidage (58, 59; 63, 64) espacées, connectées au châssis (23) de la presse et guidées dans le plan d'avance (60) de la bande.
  6. Presse à étamper selon une des revendications précédentes, caractérisée en ce que qu'une colonne de guidage additionnelle (69, 70) est disposée dans la région de chaque poinçon (56, 57) et à distance des deux colonnes de guidage (58, 59; 63, 64) de ce poinçon, cette colonne additionnelle étant fixement réunie au châssis (23) de la presse et s'étendant dans un organe directionnel additionnel (67, 68) agencé dans le poinçon (56, 57), au-dessus du plan (60) d'avance de la bande, de façon à ce que chaque poinçon (56, 57) soit guidé en trois endroits.
  7. Presse à étamper selon une des revendications précédentes, caractérisée en ce que le dispositif d'entraínement (5, 6) comporte deux bielles (5, 6) s'étendant en des directions opposées et muées en directions contraires par une unité d'entraínement (1, 2), ces bielles entraínant les unités à genouillère (15a, 15b; 16a, 16b; 17a, 17b; 18a, 18b) par l'intermédiaire d'éclisses (9a, 9b; 10a, lOb) correspondantes.
EP19950115190 1995-09-27 1995-09-27 Presse poinçonneuse à genouillère Expired - Lifetime EP0765735B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT95115190T ATE200448T1 (de) 1995-09-27 1995-09-27 Kniehebel-stanzpresse
DE59509185T DE59509185D1 (de) 1995-09-27 1995-09-27 Kniehebel-Stanzpresse
EP19950115190 EP0765735B1 (fr) 1995-09-27 1995-09-27 Presse poinçonneuse à genouillère
ES95115190T ES2157279T3 (es) 1995-09-27 1995-09-27 Prensa de estampar de palancas acodadas.
US08/717,215 US5823087A (en) 1995-09-27 1996-09-26 Punch press having a toggle joint mechanism drive
SG9610706A SG84498A1 (en) 1995-09-27 1996-09-26 A punch press having a toggle joint mechanism drive
JP25605596A JP3394396B2 (ja) 1995-09-27 1996-09-27 打ち抜きプレス機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19950115190 EP0765735B1 (fr) 1995-09-27 1995-09-27 Presse poinçonneuse à genouillère

Publications (2)

Publication Number Publication Date
EP0765735A1 EP0765735A1 (fr) 1997-04-02
EP0765735B1 true EP0765735B1 (fr) 2001-04-11

Family

ID=8219654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950115190 Expired - Lifetime EP0765735B1 (fr) 1995-09-27 1995-09-27 Presse poinçonneuse à genouillère

Country Status (7)

Country Link
US (1) US5823087A (fr)
EP (1) EP0765735B1 (fr)
JP (1) JP3394396B2 (fr)
AT (1) ATE200448T1 (fr)
DE (1) DE59509185D1 (fr)
ES (1) ES2157279T3 (fr)
SG (1) SG84498A1 (fr)

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WO2006136045A1 (fr) 2005-06-22 2006-12-28 Roland-Marcel Zumstein Dispositif d'estampage et/ou de formage de toles, fils metalliques et similaires

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CN104985634A (zh) * 2015-07-20 2015-10-21 瑞安市中泰科技设备有限公司 模切机的防塞高速式进料模切装置
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006136045A1 (fr) 2005-06-22 2006-12-28 Roland-Marcel Zumstein Dispositif d'estampage et/ou de formage de toles, fils metalliques et similaires

Also Published As

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SG84498A1 (en) 2001-11-20
JPH09122770A (ja) 1997-05-13
ATE200448T1 (de) 2001-04-15
ES2157279T3 (es) 2001-08-16
JP3394396B2 (ja) 2003-04-07
US5823087A (en) 1998-10-20
EP0765735A1 (fr) 1997-04-02
DE59509185D1 (de) 2001-05-17

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