EP3536493A1 - Presse électrique à moteur torque - Google Patents

Presse électrique à moteur torque Download PDF

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Publication number
EP3536493A1
EP3536493A1 EP18159893.9A EP18159893A EP3536493A1 EP 3536493 A1 EP3536493 A1 EP 3536493A1 EP 18159893 A EP18159893 A EP 18159893A EP 3536493 A1 EP3536493 A1 EP 3536493A1
Authority
EP
European Patent Office
Prior art keywords
electromechanical
press
plane
forming
actuating device
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Withdrawn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
EP18159893.9A
Other languages
German (de)
English (en)
French (fr)
Inventor
BEAUMANN Yves
DEUBEL Michael
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.)
ARCOFIL SA
Original Assignee
ARCOFIL SA
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 ARCOFIL SA filed Critical ARCOFIL SA
Priority to EP18159893.9A priority Critical patent/EP3536493A1/fr
Priority to US16/976,854 priority patent/US20200406567A1/en
Priority to JP2020546375A priority patent/JP7300742B2/ja
Priority to PCT/EP2019/055250 priority patent/WO2019170571A1/fr
Priority to CN201980016590.8A priority patent/CN111819071B/zh
Priority to EP19707031.1A priority patent/EP3762223B1/fr
Publication of EP3536493A1 publication Critical patent/EP3536493A1/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Withdrawn legal-status Critical Current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
    • B30B1/26—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
    • B30B1/28—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 the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/14—Control arrangements for mechanically-driven presses

Definitions

  • the present invention relates to the field of machining machines and more particularly relates to an electromechanical press Torque motor.
  • the present invention aims to provide an electromechanical press meeting this need.
  • the press of the invention is characterized in that the electromechanical actuating device is supported on the structure in a position under the work plane P1 while the forming tool is held in all positions in or above the work plan P1 of the work table.
  • the press of the invention thus has a more compact and more stable structure.
  • the electromechanical actuation device comprises an electric motor of Torque type with eccentric axis and a connecting rod rotatably mounted at one end on said eccentric axis of the Torque motor and at a second end on the forming device.
  • the work table is integrally mounted to the building.
  • the forming device is movably mounted in translation in the plane P2 on said work table.
  • the electromechanical actuation device comprises a Torque-type electric motor provided with two opposite eccentric axes each connected to a connecting rod rotatably mounted at one end on said eccentric axis of the Torque motor and at a second end. on the forming device.
  • the forming device comprises a sliding gantry on said table, said gantry comprising a mounting crossbar of the forming tool integral at its respective ends with a first end of a connecting arm rotatably mounted in one second end to a said connecting rod of the electromechanical actuating device.
  • the press comprises guide members in translation, in particular of slide type, of the forming device in the plane P2 on the work table.
  • the translation guide members are arranged on the sliding gantry arms on the one hand and in lateral guide openings of said arms formed for this purpose in the table relative to the plane P2 symmetrically.
  • the actuating device is arranged mobile in translation along the Y axis relative to the work table on the built.
  • the actuating device is slidably mounted on the frame by means of complementary linear guide members fixed on the actuating device and builds it and in kinematic connection with a motor assembly linear displacement in translation according to the invention.
  • This sliding installation of the actuating device of the press is particularly advantageous for offering great versatility and simplicity of adjustment of the press.
  • the actuating device By moving the actuating device, it is not only this but also the forming device which is kinematically connected to it at the level of the connecting rods which is mobilized along the Y axis, and which is therefore adjusted in position relative to at the work table, which defines the reference plane P1 of the press.
  • the engine assembly may include a hydraulic piston or flywheel secured to a screw-endless.
  • the electromechanical press of the invention further preferably comprises a digital control device of the actuating device.
  • This numerical control device is notably configured to regulate in real time the operation of the Torque motor of the actuating device, in particular to ensure the proper punch rate of the forming tool, for example.
  • the numerical control device is also configured to control the motor assembly linear displacement of the actuating device. It is thus possible to change the configuration of the press to switch from one series to another automatically, an operator or a robotic assembly associated with the press then having only to change the forming tool on the device of forming in masked time during the adjustment
  • the press of the invention can also offer an even more evolutionary configuration by the possibility offered to vary its power by associating in the actuating device a plurality of electric motors type Torques electrically connected in series and kinematically coupled one to the other at their respective driving axes.
  • the present invention relates to an electromechanical press 1 for forming parts by deformation and / or cutting of material in a sample, represented in a preferred embodiment of the invention. Figures 1 to 3 .
  • the press 1 comprises in the first place a structure 2 on which is mounted an electromechanical actuating device 4 of a forming device 3 of parts reciprocatingly in translation in a vertical plane P2 of the press 1
  • the forming device 3 is arranged in a kinematic connection in a form described below with the actuating device 4 so as to move a forming tool 35 integral with the forming device 3 in the movement back and forth to and from a work table 5, fixed on the building 2 and immobile on the latter.
  • the forming tool 35 may be of various type depending on the forming operation to be performed, including cutting, stamping, stamping or recovery for example.
  • the working table 5 defines, in an orthonormal coordinate system XYZ, an upper horizontal working plane P1, coinciding with the XZ plane of the marker, on which may be arranged, in one or more determined positions, one or more samples to be formed by impact of the forming tool 35, conventionally for a press.
  • the work table 5 has an opening located at the right of the tool of Work 35 to provide a clearance space stamping burrs with each strike of the forming tool.
  • the vertical plane P2 in which the forming device 3 is moved is perpendicular and secant of the work plane P1 of the table 5.
  • the building 2 consists of a weighted base formed of a metal plate 23 or concrete under which are fixed feet 22, where adjustable, and on which are anchored by any appropriate means such as bolting and / or welding and / or embedding, four pillars 21 formed for example of metal girders or concrete. These pillars 21 support at their upper end the work table 5, itself firmly anchored on the pillars 21.
  • the frame 2 and the work table 5 can be formed in a one-piece assembly, typically metallic and / or concrete.
  • the electromechanical actuating device 4 is mounted on the frame 2 in an intermediate position between the plate 23 of the base and the table 5, therefore in a position located under the work plane P1.
  • the forming device 3 is coupled to the actuating device so that the forming tool 35 is held in all positions in or above the work plane P1 of the work table 5.
  • the electromechanical actuating device 4 comprises an electric motor 41 of Torque type, mounted integral and movable in translation along the pillars 21 of the structure 2 by means of a carriage 45 on rails or rails 7 fixed in Internal reservations of the pillars 21.
  • the carriage 45 and the slides 7 thus form complementary linear guiding members of the actuating device 4 on the frame 2.
  • the electromechanical actuating device 4 is in position. further arranged kinematically with a motor assembly 6 linear displacement in translation along a central vertical axis V contained in the plane P2 relative to the work table 5.
  • the electromechanical actuating device 4 is thus adjustable in height in the plane P2.
  • the motor assembly 6 is advantageously arranged on the plate 23 of the base of the building 2 and fixed thereto by any suitable means, as well as the housing 42 of the motor 41 of the actuating device 4.
  • the motor assembly 3 comprises a endless screw 61 rotatably mounted along the axis V on the plate 23 in a central orifice thereof.
  • the worm 61 has a lower section 611 forming a drive shaft secured to a flywheel 62 mounted coaxially on the drive shaft.
  • the worm 61 also has a threaded upper section 612 extending in the extension of the lower section 611 along the axis V through a bell 63 of the flywheel 62 in the orifice 231 of the plate 23 to avoid any translation of the screw 61 along the axis V, and into a blind bore along the axis V of internal diameter substantially equal to the outer diameter of the threaded section of the screw 61.
  • the screw 61 is coupled to the motor by its threaded portion via a nut 64 fixed to the housing 42 of the motor 41 coaxially with said blind bore.
  • a rotation of the flywheel 62 in one direction causes the screw 61 to rotate in the same direction on itself which by the effect of engagement in the nut 64 induces a vertical translation of the actuating device 4 guided by its carriage 45 on the slides 7 of the building 2 up or down.
  • a rotation of the flywheel 62 in the opposite direction then causes a corollary vertical translation in opposite direction of the actuating device 4.
  • the flywheel 62 can be advantageously controlled by a mechanical drive system, electronic and / or hydraulic, according to standard techniques in the field of industrial automation.
  • this actuation is electro-controlled by the central control numerical control of the entire press and the electric motor 41 as described in more detail below.
  • the electric motor 41 of the electromechanical actuating device is preferably a Torque type motor.
  • a Torque type motor has the advantage of being able to be actuated and controlled essentially by a reference electronic signal in a substantially instantaneous manner, that is to say without inertia.
  • the motor 41 preferably comprises two eccentric axes 43d, 43g mounted on bearings to each of which is coupled by a first ball joint (or any similar coupling) a first end of a connecting rod 44d, 44g whose second end is mounted by a second ball joint (or any similar coupling) on the forming device 3.
  • the two eccentric axes 43d, 43g are such that they are exactly symmetrical to one another with respect to the planes medians P2, P3 of the press 1. Indeed, the slightest axial offset of the eccentric relative to these two planes can be critical to the operation of the press, including the regular guidance of the forming device and the integrity of the engine 41.
  • Torque motor 41 also has the advantage of offering a great versatility of configuration to the actuating device 4, in particular to vary the power. It is in particular possible to associate in series a plurality of Torque motors 41 and to couple them axially in order to double the power of the press.
  • the forming device 3 is mounted movably in translation in the vertical plane P2 on or with respect to said work table 5. It advantageously comprises a sliding gantry by slides 8 on said table 5, said gantry comprising a crossmember 31 mounting a forming tool 35 via a tool holder 34, said cross member being integral at its respective ends, for example by welding or bolting, with a first end of a connecting arm 32d, 32g mounted rotating at a second end by an axis 36d, 36g to one of said connecting rod 44d, 44g of the electromechanical actuating device 4 via a second ball joint traversed by said axis 36d, 36g according to conventional methods for the skilled person.
  • the forming device 3 is thus driven in translation on the table 5 in the plane P2 by a conventional rod-crank system in the field of machining presses.
  • the slides 8 are preferably arranged on the arms 32d, 32g of the sliding gantry on the one hand and in lateral openings 51 for guiding said arms formed for this purpose in the table 5 symmetrically to the plane P2.
  • the press 1 of the invention advantageously further comprises a digital control device, not shown in the figures.
  • This numerical control device well known in itself to those skilled in the field of machine tools and industrial automation, is preferably preferably configured to electronically control the actuating device 4 according to work cycles. desired and preprogrammed in the digital control or loaded into it via an enterprise network.
  • the numerical control can thus in particular perform the continuous adjustment of the feed parameters and speed of rotation of the Torque motor 41 to deliver a given power of the press.
  • the numerical control can also advantageously control the motor assembly 6 linear displacement before adjusting the height of the Torque motor 41 on the frame 2 and thus the strike height of the forming tool 35 relative to the plane P1 of the table of work 5 as needed.
  • the numerical control can also be associated with auxiliary automatic machines for loading the press 1 and for changing the forming tool 35 on the tool holder 35.
  • the operation of the press 1 is in itself conventional to that of a press with crank-handle actuation, well known to those skilled in the art.
  • the activation of the Torque motor 41 causes the eccentrics 43d, 43g and the end of the connecting rod 42d, 42g which is coupled thereto to rotate, which transmits to the forming device 3, which is guided in translation on the work table 5 a translatory movement back and forth in the plane P2 which drives the working tool 35 in an alternative manner in the plane P1 to perform a forming operation of a sample.
  • a sample refers to any piece or piece of metal raw material to be formed or preformed part to be taken back.
  • the location of the electromechanical actuating device under the work table 5 gives the press compactness and increased stability.
  • the use of a Torque motor provides the advantage of an essentially electronic instantaneous engine control, which optimizes the power consumption of the engine according to the work performed.
  • the proposed press structure a horizontal press, in which the frame 2 is pivoted by 90 ° as well as the actuating device 4 and forming device 3.
  • the vertical orientation of the motor torque 41 does not interfere with its operation and linear guide rails of the forming device 3 on the work table 5 ensures in any event, with adequate lubrication, a good performance of the press even in an inclined position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
EP18159893.9A 2018-03-05 2018-03-05 Presse électrique à moteur torque Withdrawn EP3536493A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP18159893.9A EP3536493A1 (fr) 2018-03-05 2018-03-05 Presse électrique à moteur torque
US16/976,854 US20200406567A1 (en) 2018-03-05 2019-03-04 Electric press with torque motor
JP2020546375A JP7300742B2 (ja) 2018-03-05 2019-03-04 電気式トルク・モータ・プレス
PCT/EP2019/055250 WO2019170571A1 (fr) 2018-03-05 2019-03-04 Presse electrique a moteur torque
CN201980016590.8A CN111819071B (zh) 2018-03-05 2019-03-04 具有扭矩马达的电动压力机
EP19707031.1A EP3762223B1 (fr) 2018-03-05 2019-03-04 Presse electrique a moteur torque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18159893.9A EP3536493A1 (fr) 2018-03-05 2018-03-05 Presse électrique à moteur torque

Publications (1)

Publication Number Publication Date
EP3536493A1 true EP3536493A1 (fr) 2019-09-11

Family

ID=61563260

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18159893.9A Withdrawn EP3536493A1 (fr) 2018-03-05 2018-03-05 Presse électrique à moteur torque
EP19707031.1A Active EP3762223B1 (fr) 2018-03-05 2019-03-04 Presse electrique a moteur torque

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19707031.1A Active EP3762223B1 (fr) 2018-03-05 2019-03-04 Presse electrique a moteur torque

Country Status (5)

Country Link
US (1) US20200406567A1 (ja)
EP (2) EP3536493A1 (ja)
JP (1) JP7300742B2 (ja)
CN (1) CN111819071B (ja)
WO (1) WO2019170571A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113601419A (zh) * 2021-07-20 2021-11-05 吴家钱 一种机械式旋转按压结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6453800A (en) * 1987-08-21 1989-03-01 Mitsubishi Electric Corp Lead forming device
WO1999002333A1 (en) * 1997-07-11 1999-01-21 Fico B.V. Press device for processing lead frames
DE102009055739A1 (de) * 2009-11-26 2011-06-01 Langenstein & Schemann Gmbh Umformmaschine, insbesondere Servopresse
DE102010012343A1 (de) * 2010-03-22 2011-09-22 Langenstein & Schemann Gmbh Umformmaschine mit Pendelhubverstellung
DE102012103807A1 (de) * 2012-05-02 2013-11-07 Komage-Gellner Maschinenfabrik Kg Pulverpresse

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618248C1 (de) * 1996-05-07 1997-10-16 Maul Hans Erich Trommelmotor
US5744169A (en) * 1996-08-08 1998-04-28 Kabushiki Kaisha Kobe Seiko Sho Tire press
DE19947689C2 (de) * 1999-09-24 2002-02-07 Sms Demag Ag Presse mit Exzenterkurbeltrieb für Oberstempeleinheit und Betriebsverfahren
DE102008028652B3 (de) * 2008-06-18 2010-01-14 Schuler Pressen Gmbh & Co. Kg Pressendirektantrieb
EP2258498B1 (de) * 2009-06-03 2012-12-26 Feintool Intellectual Property AG Mechanische Presse zum Feinschneiden, Umformen und/oder Prägen von Werkstücken
DE102011052860A1 (de) * 2010-08-24 2012-03-01 Schuler Pressen Gmbh Verfahren zum Betreiben einer Presse mit Unterantrieb und danach betriebene Presse
DE102011001314C5 (de) * 2011-03-16 2016-03-03 Schuler Pressen Gmbh Ziehpresse mit zwei koppelbaren Stößeln
DE102011113624B4 (de) * 2011-09-16 2015-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Modulares Antriebssystem für eine Umformmaschine
GB2507068B (en) * 2012-10-17 2015-06-03 Tg Can Ip Ltd Press for a cupping system
KR20140097831A (ko) * 2013-01-30 2014-08-07 주식회사 화일프레스 유성치차가 구비된 듀얼 서보프레스
WO2014144119A1 (en) * 2013-03-15 2014-09-18 Stolle Machinery Company, Llc Conversion system
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6453800A (en) * 1987-08-21 1989-03-01 Mitsubishi Electric Corp Lead forming device
WO1999002333A1 (en) * 1997-07-11 1999-01-21 Fico B.V. Press device for processing lead frames
DE102009055739A1 (de) * 2009-11-26 2011-06-01 Langenstein & Schemann Gmbh Umformmaschine, insbesondere Servopresse
DE102010012343A1 (de) * 2010-03-22 2011-09-22 Langenstein & Schemann Gmbh Umformmaschine mit Pendelhubverstellung
DE102012103807A1 (de) * 2012-05-02 2013-11-07 Komage-Gellner Maschinenfabrik Kg Pulverpresse

Also Published As

Publication number Publication date
EP3762223B1 (fr) 2022-06-15
JP2021515702A (ja) 2021-06-24
WO2019170571A1 (fr) 2019-09-12
EP3762223A1 (fr) 2021-01-13
CN111819071A (zh) 2020-10-23
CN111819071B (zh) 2022-10-28
US20200406567A1 (en) 2020-12-31
JP7300742B2 (ja) 2023-06-30

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