EP2008799A1 - Presse à découper - Google Patents

Presse à découper Download PDF

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Publication number
EP2008799A1
EP2008799A1 EP07012661A EP07012661A EP2008799A1 EP 2008799 A1 EP2008799 A1 EP 2008799A1 EP 07012661 A EP07012661 A EP 07012661A EP 07012661 A EP07012661 A EP 07012661A EP 2008799 A1 EP2008799 A1 EP 2008799A1
Authority
EP
European Patent Office
Prior art keywords
crankshaft
punching press
press according
lever
tension
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.)
Withdrawn
Application number
EP07012661A
Other languages
German (de)
English (en)
Inventor
Josef Thomas Hafner
Ugo De Santis
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
Application filed by Bruderer AG filed Critical Bruderer AG
Priority to EP07012661A priority Critical patent/EP2008799A1/fr
Priority to PCT/CH2008/000291 priority patent/WO2009000100A1/fr
Priority to JP2010513603A priority patent/JP5526024B2/ja
Priority to US12/663,534 priority patent/US8739595B2/en
Priority to SG2009079500A priority patent/SG157194A1/en
Priority to ES08757284T priority patent/ES2798003T3/es
Priority to CN200880022536.6A priority patent/CN101687379B/zh
Priority to EP08757284.8A priority patent/EP2158074B1/fr
Publication of EP2008799A1 publication Critical patent/EP2008799A1/fr
Withdrawn legal-status Critical Current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
    • B30B1/02—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
    • 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
    • B30B1/26—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 cams, eccentrics, or cranks
    • B30B1/263—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 cams, eccentrics, or cranks work stroke adjustment means
    • 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

Definitions

  • the present invention relates to a stamping press according to the preamble of patent claim 1.
  • this machine concept can no longer meet all requirements, especially since a further increase in the maximum punching frequency precludes a disproportionately increasing component load and, associated therewith, corresponding wear or a correspondingly increasing maintenance intensity.
  • the invention relates to a punch press with a fixed platen and with a top of the platen opposite and working against the platen press ram.
  • the stationary tool part of a punching tool to be operated with the punch press is supported by the top of the platen, while the moving tool part is carried by the press ram.
  • the press ram is driven by tension columns, which preferably serve not only the transmission of the drive forces on the press ram but also the leadership of the press ram, with a arranged below the punch plane drive mechanism such that it performs the required for the punching operation upward and downward movement.
  • the drive mechanism has at least one crankshaft with one or more connecting rods arranged on one or more crankpins of the crankshaft, with which a rotational drive movement provided by a drive motor is converted into an intermittent upward and downward movement for the drive of at least one tension column of the press ram can.
  • the crankshaft so the drive only serve a train column, the drive of several tension columns or the drive all Switzerlandciclen the punch press.
  • each connecting rod is articulated at a first end of a lever or at respective first ends of a plurality of levers, which levers are articulated at their second ends directly or indirectly to the structure of the punch press, for example by means immovably mounted on the housing of the punch press Supporting bolt (directly), or eg via a support assembly attached to the housing of the punch press with a relative to the housing adjustable articulation point for the lever and / or a tab (indirectly).
  • the linkage is such that the one or more levers can be swung back and forth around its second end by rotating the crankshaft through the connecting rod.
  • the lever or the levers are each connected in an area between the first and the second end hingedly connected to at least one tension column of the punch press, such that the tension column can be moved up and down by swinging the respective lever back and forth.
  • This configuration of the stamping press has the advantage that a division of the ram drive forces results, whereby the bearing load of the crankshaft is significantly reduced, which in turn is beneficial to a long service life of the press (low wear) and high precision even at high punching frequencies.
  • the vertical position of the articulation point of the respective lever on the structure of the punch press is adjustable, preferably during operation of the press. This results in the advantage that an adjustment of the ram height is possible, with advantage also during operation.
  • This setting is preferably carried out in each case by means of a threaded spindle, with advantage in each case by means of a threaded spindle driving servomotor.
  • Such solutions are tried and tested, cost-effective and safe, because form-fitting, and also allow automated adjustment / adjustment of the articulation point via a controller.
  • the punch press has a plurality of such levers, at the first ends of which the crank shaft remote end of a connecting rod is articulated and which are each hinged at its second end directly or indirectly to the structure of the punch press, such that the respective lever when rotating the crankshaft through the connecting rod to its second End is pivoted around back and forth, and which are each connected in an area between its first and its second end articulated preferably with exactly one, the respective lever associated tension column of the punch press, such that this tension column when swinging back and forth of the lever upwards - and is moved down.
  • the punch press is designed such that the vertical positions of the articulation points of the second ends of the lever groups or independently adjustable.
  • stamping presses have the advantage that the plunger can be kept substantially parallel in an eccentric load by a specifically different setting of the vertical positions of the articulation points of the lever.
  • the lever or the levers are each at the second end via a tab indirectly hinged to the structure of the punch press.
  • the lever or the levers are each connected in the region between the first and the second end via a tab with the tension column.
  • stamping press there is in each case a guide, by means of which the end remote from the crankshaft of the respective connecting rod is guided vertically, such that its articulation point for the lever or levers is movable exclusively in the vertical direction. This results in a horizontal determination of this articulation point, which simplifies the articulation of two mirror-inverted opposite lever on a common connecting rod.
  • crankshaft distal end of the respective connecting rod forms a common point of articulation with the first ends of two opposing, seen in crankshaft longitudinal direction mirror image arranged lever, which preferably each seen in the crankshaft longitudinal direction in a mirror image with exactly one, the respective lever associated Buchcher are connected.
  • the at least one crankshaft runs in the longitudinal direction of the punching press, ie in the direction of passage of the same, wherein it is preferred that exactly one crankshaft extending in the longitudinal direction is present for driving all the tension columns.
  • this has exactly four tension columns, which are each arranged at the corners of the plunger. In this way, a maximum tilting rigidity of the plunger can be achieved both in the longitudinal direction and transversely thereto.
  • the punch press has exactly one extending in the longitudinal direction crankshaft for driving all the tension columns and this crankshaft is arranged centrally along the longitudinal axis of the punch press, such that there is a symmetrical arrangement with respect to the tension columns.
  • crankshaft distal end of the respective connecting rod is articulated in a common point of articulation at the first ends of two opposing, seen in the crankshaft longitudinal direction mirror image lever, which is preferably viewed in the crankshaft longitudinal direction in a mirror image with exactly one, associated with the respective lever train column, and that the crankshaft has exactly two crank pins, which are preferably arranged in each case in the region of one end of the crankshaft and at least on the side facing away from the respective shaft end of this crank pin associated, preferably designed as a rolling bearing radial bearing of the crankshaft flanked.
  • Such a structure has the advantage that an arrangement of the crank pin at the longitudinal position of the tension columns is possible, so that any bending moments generated by bearing forces in the press structure in the longitudinal direction can be avoided.
  • crank pin are each flanked on both sides by a respective crank pin, preferably designed as a rolling bearing radial bearing of the crankshaft, so that an introduction of bending moments in the crankshaft is substantially avoided.
  • the Crankshaft in the region between the radial bearings, which are each arranged on the side facing away from the shaft end of the respective crank pin is designed as a hollow shaft.
  • crankshaft be constructed, i. composite shaft is formed, in such a way that the part formed as a hollow shaft is formed as a separate component from the crank pin.
  • the crankshaft be constructed, i. composite shaft is formed, in such a way that the part formed as a hollow shaft is formed as a separate component from the crank pin.
  • crankshaft is designed such that the lifting height of its crank pin is adjustable. It is further preferred that the crankshaft has crankpins, which are each formed by an eccentric and a rotatably mounted on this eccentric bushing, such that by turning the eccentric bushing on the eccentric different lifting heights of the crankshaft are adjustable. This results in the advantage of the adjustability of the lifting height.
  • eccentrics and eccentric bushes of the respective crankpins are in certain positions with each other with locking means, preferably with a locking pin, lockable to define a certain stroke height of the crankshaft, then adjustment to specific, precisely defined values is possible in a simple manner.
  • crankshaft is in the region between those radial bearings, which are each arranged on the side facing away from the shaft end of the respective crank pin, designed as a hollow shaft, which is preferred, it is further preferred that the locking means are releasable via a central release mechanism which extends through the interior of the hollow shaft formed as part of the crankshaft extends.
  • the crankshaft is mounted in radial bearings, wherein exactly one of the radial bearings of the crankshaft designed as a fixed bearing for receiving the forces acting on the crankshaft axial forces.
  • the crankshaft is mounted in radial bearings, which are each assigned to one of the crankpins and crankpins are each stored in a separate housing part, which is each connected to a central, the platen bearing or forming housing part, preferably by screwing.
  • the basic structure of the punch press can be made up of several smaller, modular components, which enables savings in storage and manufacturing costs.
  • FIGS. 1 to 4 The basic structure of an inventive punch press is from the FIGS. 1 to 4 which has a cross-section ( Fig. 1 ), a longitudinal section ( Fig. 2 ), Horizontal sections through one of the machine housings ( Fig. 4 ) of the punch press, as well as a plan view of the punch press with the press ram removed ( Fig. 3 ).
  • the basic structure of the punch press consists of two machine housings 15, 15b, and a cross member 15a with a clamping plate 23, which are connected to each other by means of screws 15d.
  • a press ram 1 is arranged, which is rigidly connected to four each arranged at its outer corners tension columns 2.
  • Each two of the tension columns 2 are respectively associated with one of the two machine casings 15, 15b, which also contain the drive mechanism described below for the respective tension columns 2, and are mounted vertically displaceably in guides 3 in these, wherein the guides 3 are installed in guide supports 4, at the same time form parts of the housing cover 4 of the respective machine housing 15, 15b.
  • the press center facing the ends of the lever 7 are connected by a common connecting rod with a connecting rod 8.
  • the upper end of the connecting rod 8 performs in operation a lifting movement and is guided with two sliders 21 in linear guides 22, such that the connecting rod can perform only a vertical movement.
  • the eccentric bush 9 By rotating the eccentric bush 9 relative to the eccentric 10, the resulting total eccentricity of the crank pin 9, 10 can be changed, which corresponds to a change in the stroke of the crankshafts 9, 10, 29 and thus also a changed stroke of the punch press.
  • the punch press can be set to a number of well-defined lift heights by different relative angular positions between the eccentric bushing 9 and the eccentric 10 can be fixed positively with a locking pin 32.
  • the locking pin 32 can be unlocked with a release mechanism 31 for Hubcicn and then rotate the eccentric 10 relative to the eccentric bushing 9, while the latter 9 with a latch 25 which is inserted with a latch piston 26 is temporarily secured against rotation.
  • the crankshaft 9, 10, 29 consists of the two respective crank pins 9, 10 arranged on the end side thereof and a hollow shaft 29, which connects the crank pins 9, 10 to one another and is protected by a cover (15c). It is with three movable bearings 30 and a fixed bearing 33 in the machine housings 15, 15b stored.
  • the release mechanisms 31 are connected to one another via a coupling shaft 28 running in the center of the hollow shaft 29 and can thus be actuated together from the side of the stamping press which has the fixed bearing 33.
  • the drive assemblies 27 such as brake, clutch and flywheel with the crankshaft 9, 10, 29 are arranged.
  • a mass balance lever 16 In order to realize a balance of the moving masses, in each case, in addition to the tab 6, the front end of a mass balance lever 16 is hinged to each pin 6a.
  • the center of this lever 16 is rotatably supported in a bolt fixed to the housing.
  • the rear end of the lever 16 is pivotally connected to a counterweight 14 and drives this in operation in the opposite direction of the plunger 1.
  • the mass forces in the stroke direction are compensated in this way.
  • push rods 11 are present, which are arranged on the underside of the respective connecting rod 8 and via levers 13 drive the counterweights 14 in the opposite direction of the connecting rod 8, to compensate for the horizontal dynamic forces.
  • Fig. 3 shows a plan view of the punch press with removed press ram 1.
  • the four tension columns 2 are shown in section.
  • an adjusting 35 with a servo motor 34 for the adjustment and possibly control of the ram height available.
  • This servo geared motor unit 34, 35 drives for adjustment via a worm 36 to the worm wheel 18, which is an integral part of the threaded spindle 19.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Presses And Accessory Devices Thereof (AREA)
EP07012661A 2007-06-28 2007-06-28 Presse à découper Withdrawn EP2008799A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP07012661A EP2008799A1 (fr) 2007-06-28 2007-06-28 Presse à découper
PCT/CH2008/000291 WO2009000100A1 (fr) 2007-06-28 2008-06-26 Presse de découpage
JP2010513603A JP5526024B2 (ja) 2007-06-28 2008-06-26 打抜きプレス機関連する出願の指摘本件出願は、２００７年６月２８日付で提出された欧州特許出願第０７０１２６６１の優先権を主張するものであり、したがってその開示内容全体を援用する。
US12/663,534 US8739595B2 (en) 2007-06-28 2008-06-26 Punching press
SG2009079500A SG157194A1 (en) 2007-06-28 2008-06-26 Punching press
ES08757284T ES2798003T3 (es) 2007-06-28 2008-06-26 Prensa punzonadora
CN200880022536.6A CN101687379B (zh) 2007-06-28 2008-06-26 冲压压力机
EP08757284.8A EP2158074B1 (fr) 2007-06-28 2008-06-26 Presse de découpage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07012661A EP2008799A1 (fr) 2007-06-28 2007-06-28 Presse à découper

Publications (1)

Publication Number Publication Date
EP2008799A1 true EP2008799A1 (fr) 2008-12-31

Family

ID=39111460

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07012661A Withdrawn EP2008799A1 (fr) 2007-06-28 2007-06-28 Presse à découper
EP08757284.8A Active EP2158074B1 (fr) 2007-06-28 2008-06-26 Presse de découpage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08757284.8A Active EP2158074B1 (fr) 2007-06-28 2008-06-26 Presse de découpage

Country Status (7)

Country Link
US (1) US8739595B2 (fr)
EP (2) EP2008799A1 (fr)
JP (1) JP5526024B2 (fr)
CN (1) CN101687379B (fr)
ES (1) ES2798003T3 (fr)
SG (1) SG157194A1 (fr)
WO (1) WO2009000100A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011052860A1 (de) 2010-08-24 2012-03-01 Schuler Pressen Gmbh Verfahren zum Betreiben einer Presse mit Unterantrieb und danach betriebene Presse
DE102012100325A1 (de) 2012-01-16 2013-07-18 Schuler Pressen Gmbh Verwendung von Daten des Kraftflusses in einer Presse für den Betrieb eines Stößels
CN107309313A (zh) * 2017-07-07 2017-11-03 占行波 简易小冲床
CN113118371A (zh) * 2021-04-15 2021-07-16 辽宁五一八内燃机配件有限公司 一种模锻压力机的曲轴锻件翻转装置

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CN101905544A (zh) * 2010-07-28 2010-12-08 扬州捷迈锻压机械有限公司 一种高强度液压机导向立柱
LT5880B (lt) 2011-03-04 2012-11-26 Liudvikas Vitalijus ORÅŖNAS Rotorinis variklis
DE102012108933B4 (de) * 2012-09-21 2019-08-08 Schuler Pressen Gmbh Verfahren zum Betreiben einer Werkzeugmaschine oder Arbeitsmaschine und danach ausgeführte Werkzeugmaschine oder Arbeitsmaschine mit einer Verbindungsanordnung für ein Hubelement
GB2507065B (en) * 2012-10-17 2015-12-23 Tg Can Ip Ltd Press for a cupping system
GB2507068B (en) * 2012-10-17 2015-06-03 Tg Can Ip Ltd Press for a cupping system
CN102975386B (zh) * 2012-11-27 2014-12-17 南京理工大学 能实现下死点动态精度补偿的高速精密数控冲床机构
CN103240379B (zh) * 2013-05-13 2015-10-21 天津市万华车料有限公司 辐条机条帽球面成型模调整结构
SG11201510310VA (en) * 2013-06-19 2016-01-28 Bruderer Ag Method for warping the machine bed and/or the press ram of a punching press and punching press
CN108000919B (zh) * 2018-01-22 2024-04-26 东莞领益精密制造科技有限公司 台式小型电动冲床
EP4073767A4 (fr) 2019-12-10 2024-01-31 Barnes Group Inc Capteur sans fil à technologie de balise
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
US11752720B2 (en) 2021-09-08 2023-09-12 PDInnovative LLC Press machine with modular linear actuator system
US11819906B2 (en) 2021-09-21 2023-11-21 PDInnovative LLC Linear-actuated press machine having multiple motors and clutch system for multi-speed drive functionality
US11541618B1 (en) 2021-09-21 2023-01-03 PDInnovative LLC Linear-actuated press machine having multiple motors and clutch system for multi-speed drive functionality

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CH541418A (de) * 1971-08-04 1973-09-15 Maschb Ing O Klammer Verfahren und Einrichtung zur Verstellung der Lage des Stösselhubes bei Pressen
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EP0356809A1 (fr) * 1988-08-31 1990-03-07 Bruderer Ag Dispositif pour le réglage de la course dans une presse à poinçonner
EP0724953A1 (fr) * 1995-01-21 1996-08-07 Bruderer Ag Poinçonneuse avec espace allongé pour le montage de poinçons

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Publication number Priority date Publication date Assignee Title
US2375398A (en) * 1942-05-15 1945-05-08 Wilkins Walter Samuel Power press
GB889479A (en) * 1959-02-06 1962-02-14 Georg Achtermann Improvements in presses
CH541418A (de) * 1971-08-04 1973-09-15 Maschb Ing O Klammer Verfahren und Einrichtung zur Verstellung der Lage des Stösselhubes bei Pressen
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
EP0356809A1 (fr) * 1988-08-31 1990-03-07 Bruderer Ag Dispositif pour le réglage de la course dans une presse à poinçonner
EP0724953A1 (fr) * 1995-01-21 1996-08-07 Bruderer Ag Poinçonneuse avec espace allongé pour le montage de poinçons

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011052860A1 (de) 2010-08-24 2012-03-01 Schuler Pressen Gmbh Verfahren zum Betreiben einer Presse mit Unterantrieb und danach betriebene Presse
WO2012041313A2 (fr) 2010-08-24 2012-04-05 Schuler Pressen Gmbh Procédé pour faire fonctionner une presse équipée d'un sous-entraînement et presse utilisée selon le procédé
US9302441B2 (en) 2010-08-24 2016-04-05 Schuler Pressen Gmbh Method of operating a press with a bottom drive and press operated according to this method
DE102012100325A1 (de) 2012-01-16 2013-07-18 Schuler Pressen Gmbh Verwendung von Daten des Kraftflusses in einer Presse für den Betrieb eines Stößels
WO2013107444A1 (fr) 2012-01-16 2013-07-25 Schuler Pressen Gmbh Utilisation de données du flux de force dans une presse pour le fonctionnement d'un pilon
DE102012100325B4 (de) * 2012-01-16 2014-09-04 Schuler Pressen Gmbh Verwendung von Daten des Kraftflusses in einer Presse für den Betrieb eines Stößels
DE102012100325C5 (de) 2012-01-16 2019-06-19 Schuler Pressen Gmbh Verwendung von Daten des Kraftflusses in einer Presse für den Betrieb eines Stößels
US10464275B2 (en) 2012-01-16 2019-11-05 Schuler Pressen Gmbh Using data about the force flow in a press for the operation of a ram
CN107309313A (zh) * 2017-07-07 2017-11-03 占行波 简易小冲床
CN107309313B (zh) * 2017-07-07 2019-02-19 浙江玛德机械有限公司 简易小冲床
CN113118371A (zh) * 2021-04-15 2021-07-16 辽宁五一八内燃机配件有限公司 一种模锻压力机的曲轴锻件翻转装置
CN113118371B (zh) * 2021-04-15 2023-03-31 辽宁五一八内燃机配件有限公司 一种模锻压力机的曲轴锻件翻转装置

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JP5526024B2 (ja) 2014-06-18
JP2010531234A (ja) 2010-09-24
CN101687379B (zh) 2014-11-12
EP2158074B1 (fr) 2020-04-29
US8739595B2 (en) 2014-06-03
WO2009000100A1 (fr) 2008-12-31
SG157194A1 (en) 2009-11-30
US20100206187A1 (en) 2010-08-19
CN101687379A (zh) 2010-03-31
EP2158074A1 (fr) 2010-03-03

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