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EP2321119A2 - Système d'entraînement d'une presse de formage - Google Patents

Système d'entraînement d'une presse de formage

Info

Publication number
EP2321119A2
EP2321119A2 EP09775925A EP09775925A EP2321119A2 EP 2321119 A2 EP2321119 A2 EP 2321119A2 EP 09775925 A EP09775925 A EP 09775925A EP 09775925 A EP09775925 A EP 09775925A EP 2321119 A2 EP2321119 A2 EP 2321119A2
Authority
EP
European Patent Office
Prior art keywords
drive
drive system
direct drive
modules
press
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.)
Granted
Application number
EP09775925A
Other languages
German (de)
English (en)
Other versions
EP2321119B1 (fr
EP2321119B8 (fr
Inventor
Uwe Darr
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.)
L Schuler GmbH
Original Assignee
Mueller Weingarten 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 Mueller Weingarten AG filed Critical Mueller Weingarten AG
Priority to PL09775925T priority Critical patent/PL2321119T3/pl
Publication of EP2321119A2 publication Critical patent/EP2321119A2/fr
Publication of EP2321119B1 publication Critical patent/EP2321119B1/fr
Application granted granted Critical
Publication of EP2321119B8 publication Critical patent/EP2321119B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B30B1/26—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
    • B30B1/266—Drive systems for the cam, eccentric or crank 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18208—Crank, pitman, and slide
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18248—Crank and slide

Definitions

  • the invention relates to a drive system of a multi-point forming press with the features of the preamble of claim 1.
  • a pressing device with a pressure point in which a directly arranged on the eccentric shaft direct drive in the form of a frequency-controlled three-phase motor controls the movement of the plunger via a connecting rod.
  • An arrangement of this direct drive in the overall structure of the press, especially in large presses with multiple pressure points is not disclosed.
  • a reduced overall height is achieved in a press according to DE 10 2004 052 007 in that the drive of the toggle mechanism mounted in the head piece are arranged laterally next to the head piece vertically in the area of the press stand by the drive modules consisting of a linear motor or rotary servomotor with a downstream linear converter ,
  • the invention has for its object to make a drive system of a multi-point forming press for flexible movement and tilt control of the plunger so that a small spatial extent, especially a low overall height of the press, a high accuracy of the leadership Tappet and with the available torques of servomotors high press forces and stroke rates with reduced gearbox complexity can be achieved.
  • the core idea of the invention is to equip the drive of the plunger by means of direct drive modules, preferably without upstream gear transmission and for a space-saving design with low height of the press, the pressure points of the plunger with the associated direct drive modules laterally next to the tool clamping surface in the vertical plane
  • the direct drive modules each consisting of servo motor, lifting mechanism and holding brake are aligned coaxially in the press longitudinal axis or in press transverse axis.
  • the lifting mechanism is used to transform the rotating drive movement of the servomotor into a linear output movement of the plunger.
  • crank valve in which the eccentric of the crankshaft is connected to a sliding block, which is guided in a backdrop of the operatively connected to pressure point of the plunger slide.
  • each pressure point separately assigned direct drive modules a spatial tilt control of the plunger is possible in two levels.
  • an additional spindle drive for height adjustment of the plunger and a pressure pad for the hydraulic overload protection are integrated in a known manner.
  • presses with different press force size and extension of the tool clamping surface can be configured.
  • the direct drive modules are aligned in the press transverse axis, their storage can in a first case take place in the drive stands aligned on both sides in front of and behind the plunger in the press longitudinal axis. In a second case, the direct drive modules are each positioned in the transverse to the press longitudinal axis aligned drive stands. In all cases, the pressure points of the plunger and the pressure point chairs are arranged laterally next to or in front of and behind the tool clamping surface in the vertical plane of the drive column.
  • the power flow closes between the upper tool arranged on the plunger and the the lower tool positioned on the press table via the press stand, which at the same time take over the guiding function of the push rod.
  • the direct drive modules can be used either as an upper drive with pressure effect or as a sub drive with pulling effect on the pressure points of the ram.
  • the application in two- or four-point presses is possible, which are preferably synchronized electronically controlled. It is also possible to mechanically synchronize adjacent direct drive modules as a group and, in the case of a four-point press, to electronically synchronize both groups with each other.
  • the group is preferably formed by two direct transverse drive modules aligned in the press transverse axis.
  • the adjacent, coupled via a shaft direct drive modules per group of at least one servomotor are jointly controlled.
  • this can be arranged either on the input side or on the output side of the group or between the direct drive modules.
  • two servo motors per group either both between the direct drive modules or a first Servomotor on the input side and a second output side of the group of direct drive modules are arranged. It is also possible to position a first servo motor on the input side of the group and a second servo motor between the direct drive modules.
  • the servo motors can be arranged either mirror-inverted on the side facing away from the two direct drive modules or sides or a first servo motor on the input side of the group and a second servo motor between the direct drive modules.
  • the brakes can each be integrated in the engine or positioned separately on the free shaft end of the crankshaft.
  • Fig.l drive system of a forming press with two, each aligned in the press longitudinal axis electronically synchronized direct drive modules for
  • FIG. 7 Drive system of a forming press with four electronically synchronizable direct drive modules for bottom drive, each aligned in the press longitudinal axis
  • FIG. 1 shows a two-point forming press whose two direct drive modules 2, which are aligned in the press longitudinal axis 1, are connected to the ram 3 as top drive 4.
  • the direct drive module 2 consists in each case of a mounted in the upper part of the drive stator 5 from the monolithic body 6 servo motor 7, crank mechanism 8 and holding device 9, wherein the crank mechanism 8 includes a crankshaft 20 and a sliding block 10 which extends over a Sliding link 11 in the pressure point 12 of the plunger 3 is supported.
  • the pressure points 12, each consisting of a spindle-operated pressure point adjustment 13 and overload protection 14 are positioned on the plunger 3 projecting pressure point chair 15.
  • the pressure point chairs 15 protrude into the door space 16 of the transverse to the press longitudinal axis 1 aligned drive stand 5, which in combination with the short-stroke drive creates a compact press structure, which in particular allows a low overall height.
  • the servomotors 7.1, 7.2 are arranged in mirror image respectively on the outer sides of the drive stand 5, they can also be positioned in mirror image on the inner sides of the drive stand 5 between the direct drive modules 2.
  • This space-saving design in press longitudinal axis 1 can be used particularly advantageously when two or more forming presses are arranged one behind the other in press longitudinal axis 1.
  • the servomotors 7 are advantageously designed as a hollow shaft motor 17 and the holding devices 9 as rotational brakes 18 preferably as non-positive safety brakes. According to Fig.l the servomotors 7 and the rotation brakes 18 are positioned separately on the opposite sides of the respective drive stator 5. Moreover, it is also possible to integrate the holding device 9 in the servo motor 7.
  • the programmable servo motors 7 can produce a synchronous movement of the plunger 3 by electronic coupling on the one hand and on the other hand by a spatial tilt control in two levels a misalignment of the plunger 3 due to the elastic suspension at off-center Balance load or achieve a desired misalignment.
  • both direct drive modules 2 can be controlled jointly by means of a couplable shaft of both servomotors 7.1 / 7.2 or by a servomotor 7.
  • a two-point forming press with the two aligned in press transverse axis 19 direct drive modules 2 for upper drive 4 can be seen in the second embodiment of FIG.
  • the two drive stands 5 are positioned transversely to the longitudinal axis of the press 1 / in whose Torschreib 16 the pressure point chairs 15 protrude.
  • the advantage over the first embodiment is essentially that compensate for the transverse drive movement of the two crank mechanisms 8, the transverse drive forces, which increased expenses for mass balance can be avoided.
  • the crank mechanism 8 consists of a directly driven by the servo motor 7 crankshaft 20, which is supported via an operatively connected connecting rod 23 in the pressure point 12 of the plunger 3.
  • crankshafts 20 are each connected at the rear end of the shaft to a holding device 9 supported on the drive stand 5.
  • This embodiment can be extended to a four-point forming press by two direct drive modules 2 are arranged one behind the other in press transverse axis 19. In this case, then two, the pressure points 12 respectively associated pressure point chairs 15 protrude into the goal area 16 of aligned in press transverse axis 19 drive stand 5.
  • the direct drive modules 2 are aligned in the press transverse axis 19 in a four-point forming press. If the size of the press does not allow a monolithic body as in the preceding embodiments, the direct drive modules 2 shown here are mounted in pairs in drive stands 5, which are clamped to the press table 21 via tie rods 22.
  • the directly to the drive module 2 associated, controllable by the servo motor 7 crank mechanism 8 consists of a operatively connected to the crankshaft 20 connecting rod 23, which is supported in each case in the pressure point 12 of the plunger 3.
  • the pressure points 12 of the four-point drive are positioned on the plunger 3 projecting pressure point chairs 15 which protrude into the door space 16 of the transversely to the press-transverse axis 19 aligned drive stand 5.
  • the two servo motors 7.1, 7.2 are arranged in mirror image on the side facing away from the two direct drive modules 2 sides. It is also conceivable that both direct drive modules 2 can be controlled jointly by means of a couplable shaft of both servomotors 7.1, 7.2 or by a servomotor 7. As a holding device 9 act on two diagonally opposite direct drive modules 2 each have a rotary brake 18, which are arranged in mirror image to the two direct drive modules 2 facing sides.
  • the fourth exemplary embodiment according to FIG. 4 differs from FIG.
  • 5 offers spatial advantages in particular if several large multipoint presses are positioned in a press line with workpiece flow in the direction of the press transverse axis 19 at a minimized distance from each other.
  • 6 describes the configuration of a four-point forming press with two groups of direct drive modules 2 aligned in the press longitudinal axis 1, which are each mounted in drive housings 27 positioned to the press transverse axis 19.
  • the drive housing 27 are braced via the press stand 28 with the press table 21 by means of tie rods 22.
  • the adjacent in press longitudinal axis 1 press stand 28 are interconnected by a cross-beam 24.
  • the servomotors 7 are arranged in mirror image to each other between the direct drive modules 2, wherein the two adjacent servomotors 7.1 and 7.2 per group are driven in opposite directions to compensate for the lateral forces generated at the associated crank mechanisms 8.
  • a drive system of a four-point forming press for sub-drive is shown in Fig.7.
  • two out of four direct aligned in the longitudinal axis of the press 1 are each Drive modules 2 stored in a common drive stand 5.
  • the two drive stands 5 are positioned transversely to the press longitudinal axis 1.
  • the pressure points 12 connected to the connecting rods 23 act on the pressure point chairs 15 which are arranged in the upper region of the plunger 3 and protrude into the upper free space of the drive stands 5.
  • the direct drive modules 2 are arranged in the vertical plane of the drive stand 26.
  • the drive stand 5 can be connected in one case either monolithic or by means of tie rods 22 to the table 2.
  • the drive stands 5 are each divided into a drive housing 27 and associated press stand 28, which are connected together by tie rods 22 to the table 2.
  • All direct drive modules 2 are associated with servo motors 7, with which flexible path and speed profiles for the movement of the plunger 3 can be achieved, wherein the desired positions of the plunger 3 are preferably generated by means of guide shaft controlled electronic cams.
  • the travel profile it is possible to choose between a 360 ° rotational movement, a reversing movement at an angle of ⁇ 360 ° with passing through the lower reversal point or a movement at an angle ⁇ 180 ° with reversing in the region of the lower reversal point.
  • the latter mode of operation may preferably in conjunction with the possible with electronic synchronization of the pressure points 12 tilt control of the plunger. 3 each used in one level in a two-point forming press or in two levels in a four-point forming press.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Control Of Presses (AREA)

Abstract

L'invention concerne un système d'entraînement de presse comportant des modules d'entraînement direct, le système d'entraînement présentant une construction compacte caractérisée par une faible hauteur de presse.
EP09775925.2A 2008-07-25 2009-06-29 Système d'entraînement d'une presse de formage Active EP2321119B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09775925T PL2321119T3 (pl) 2008-07-25 2009-06-29 System napędowy prasy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810034971 DE102008034971A1 (de) 2008-07-25 2008-07-25 Antriebssystem einer Umformpresse
PCT/DE2009/000913 WO2010009694A2 (fr) 2008-07-25 2009-06-29 Système d'entraînement d'une presse de formage

Publications (3)

Publication Number Publication Date
EP2321119A2 true EP2321119A2 (fr) 2011-05-18
EP2321119B1 EP2321119B1 (fr) 2018-07-18
EP2321119B8 EP2321119B8 (fr) 2018-09-05

Family

ID=41152163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775925.2A Active EP2321119B8 (fr) 2008-07-25 2009-06-29 Système d'entraînement d'une presse de formage

Country Status (6)

Country Link
US (1) US8910569B2 (fr)
EP (1) EP2321119B8 (fr)
CN (1) CN102105298B (fr)
DE (1) DE102008034971A1 (fr)
PL (1) PL2321119T3 (fr)
WO (1) WO2010009694A2 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034971A1 (de) * 2008-07-25 2010-01-28 Müller Weingarten AG Antriebssystem einer Umformpresse
DE102009035214A1 (de) * 2009-07-29 2011-02-24 Dieffenbacher Gmbh + Co. Kg Presse mit einem direkt angetriebenen Kurbeltrieb
DE102009035215A1 (de) * 2009-07-29 2011-02-10 Dieffenbacher Gmbh + Co. Kg Presse mit einem direkt angetriebenen Kurbeltrieb
DE102009051876A1 (de) * 2009-11-04 2011-05-05 Dieffenbacher Gmbh + Co. Kg Presse mit einem direkt angetriebenen Kurbeltrieb
DE102009051939A1 (de) * 2009-11-04 2011-05-05 Dieffenbacher Gmbh + Co. Kg Presse mit einem direkt angetriebenen Kurbeltrieb, Pressenstraße aus derartigen Pressen und ein Verfahren zur Herstellung einer Presse mit zumindest einem Direktantrieb.
DE102009055739B4 (de) * 2009-11-26 2021-01-14 Langenstein & Schemann Gmbh Umformmaschine, insbesondere Servopresse
JP5301500B2 (ja) * 2010-05-28 2013-09-25 アイダエンジニアリング株式会社 複数モータ駆動のサーボプレス装置
DE102010054976A1 (de) * 2010-06-07 2011-12-08 Kiefel Gmbh Thermoformstation, Thermoformanlage, Verfahren zum Formen oder Stanzen sowie hergestellte Artikel
DE102010031107B4 (de) 2010-07-08 2013-11-21 Raster-Zeulenroda Werkzeugmaschinen Gmbh Umformpresse mit einem Stößeldirektantrieb
DE102010031100B4 (de) 2010-07-08 2017-09-14 Zeulenroda Presstechnik Gmbh Umformpresse mit einem Direktantrieb mittels Segmentmotoren
DE102010060627B4 (de) * 2010-11-17 2020-11-05 Langenstein & Schemann Gmbh Umformmaschine mit Stößelregelung
CN102285135A (zh) * 2011-07-21 2011-12-21 宁波精达成形装备股份有限公司 双边驱动四点施力压力机
DE102011113624B4 (de) 2011-09-16 2015-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Modulares Antriebssystem für eine Umformmaschine
ES2597703T3 (es) 2012-05-24 2017-01-20 Multivac Sepp Haggenmüller Gmbh & Co Kg Equipo de elevación para una máquina de envasado
WO2014165014A1 (fr) * 2013-03-12 2014-10-09 Vamco International, Inc. Presse
DE102013021300C5 (de) * 2013-12-19 2018-11-22 Jörg von Seggern Maschinenbau GmbH Hubvorrichtung für ein Werkzeug
DE102014115241B4 (de) 2014-10-20 2021-08-12 Schuler Pressen Gmbh Pressenantriebsvorrichtung für eine Presse und Presse mit Pressenantriebsvorrichtung
DE102014115240B4 (de) 2014-10-20 2017-08-24 Schuler Pressen Gmbh Pressenantriebsvorrichtung für eine Presse und Presse mit Pressenantriebsvorrichtung
DE102014115238B4 (de) 2014-10-20 2017-02-02 Schuler Pressen Gmbh Pressenantriebsvorrichtung für eine Presse und Presse mit Pressenantriebsvorrichtung
US11084240B2 (en) * 2015-11-20 2021-08-10 Sms Group Gmbh Path-controlled press having a sliding block
CN106891561B (zh) * 2017-04-28 2019-08-06 扬力集团股份有限公司 一种用于加工空调翅片的四点压力机

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Also Published As

Publication number Publication date
DE102008034971A1 (de) 2010-01-28
EP2321119B1 (fr) 2018-07-18
US20110126649A1 (en) 2011-06-02
WO2010009694A2 (fr) 2010-01-28
CN102105298B (zh) 2015-09-30
PL2321119T3 (pl) 2019-05-31
WO2010009694A3 (fr) 2010-05-14
US8910569B2 (en) 2014-12-16
EP2321119B8 (fr) 2018-09-05
CN102105298A (zh) 2011-06-22

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