EP1600224A1 - Werkzeugmaschine mit einem Hubantrieb zur Beaufschlagung eines Werkstückes mit einem Bearbeitungswerkzeug - Google Patents

Werkzeugmaschine mit einem Hubantrieb zur Beaufschlagung eines Werkstückes mit einem Bearbeitungswerkzeug Download PDF

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Publication number
EP1600224A1
EP1600224A1 EP04012522A EP04012522A EP1600224A1 EP 1600224 A1 EP1600224 A1 EP 1600224A1 EP 04012522 A EP04012522 A EP 04012522A EP 04012522 A EP04012522 A EP 04012522A EP 1600224 A1 EP1600224 A1 EP 1600224A1
Authority
EP
European Patent Office
Prior art keywords
drive
spindle
workpiece
spindle drive
force
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Withdrawn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
EP04012522A
Other languages
German (de)
English (en)
French (fr)
Inventor
Frank Schmauder
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.)
Trumpf Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE and Co KG
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 Trumpf Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Priority to EP04012522A priority Critical patent/EP1600224A1/de
Priority to ES05752798T priority patent/ES2306162T3/es
Priority to CNB2005800172172A priority patent/CN100469478C/zh
Priority to PCT/EP2005/005635 priority patent/WO2005118176A1/de
Priority to EP20050752798 priority patent/EP1748854B1/de
Priority to DE200550004201 priority patent/DE502005004201D1/de
Priority to AT05752798T priority patent/ATE395995T1/de
Priority to JP2007513796A priority patent/JP4705634B2/ja
Priority to PL05752798T priority patent/PL1748854T3/pl
Publication of EP1600224A1 publication Critical patent/EP1600224A1/de
Priority to US11/563,613 priority patent/US7694616B2/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/002—Drive of the tools
    • 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
    • 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
    • Y10T83/8765—Magnet- or solenoid-actuated tool
    • Y10T83/8768—Solenoid core is 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
    • Y10T83/8789—With simple revolving motion only
    • Y10T83/8794—Revolving tool moves through recess in work holder or cooperating tool
    • 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
    • Y10T83/8847—Screw actuated tool support

Definitions

  • the invention relates to a machine for machining workpieces, with a machining tool and with a linear actuator, by means of which a workpiece through the machining tool can be acted upon and a spindle drive with at least a drive unit and with a force introduction element has, wherein the drive unit spindle drive elements in the form of a drive spindle and a seated thereon Spindle nut includes, which via a threaded engagement with each other are supported, one of which as close to the workpiece Spindle drive element and the other as workpiece remote spindle drive element is provided for and under the imposition of the Workpiece by the machining tool by means of a drive motor rotatable about a spindle drive axis relative to each other are, wherein the workpiece-near spindle drive element on the Force introduction element with a due to the application of the workpiece by the machining tool effective force acted upon and under the action of this force on the associated Workpiece remote spindle drive element via the threaded engagement is supported.
  • Such a machine is disclosed in JP 04172133 A.
  • the prior art relates to a punching machine with a motor Lifting drive for a punching tool.
  • the lifting drive includes while a spindle drive with a single drive spindle and a seated on it and powered by a motor Spindle nut.
  • the previously known Punching machine provided a rotary drive, by means of which the Punching tool about the lifting axis of the lifting drive rotatable is.
  • a Linear actuator provided with a spindle drive the two coaxial Drive units with mutually associated spindle drive elements includes.
  • the introduction of machining forces or of from these resulting reaction forces in the spindle drive takes place in the direction of the common spindle drive axis between the threaded engagements of the workpiece near and the workpiece remote spindle drive elements of the two drive units.
  • the common force introduction element of the two drive units the spindle drive in the interest of a structural simplification the lifting drive unitary, in particular in one piece, formed with a power transmission element, the in turn, that of the common force application element in the drive units to be introduced force in the common Force introduction element transmits.
  • the Erfindungsbauart according to claim 5 is characterized by a particularly compact design.
  • Claim 8 relates to a particular for operational practice significant opportunity for the implementation of the invention concept.
  • punching machines of the claims Art often apply high processing forces or equivalent Ablate reaction forces.
  • a punching machine 1 has a C-shaped Machine frame 2 with an upper frame leg 3 and a lower frame legs 4.
  • an electrical Lifting drive 5 trained as a punch 6 Machining tool provided.
  • the punch 6 is at a Tool mounting 7 mounted.
  • the lifting drive 5 is the tool bearing 7 in common with the punch 6 in the direction of a lifting axis 8 rectilinearly movable.
  • the lifting drive 5 can also be used as a rotary drive if the mode of operation is modified be used and then serves for the rotational adjustment of the Punch 6 around the lifting axis 8 in the direction of a double arrow 9. Movements in the direction of the lifting axis 8 are of the Punch 6 at work strokes for punching processing of Workpieces and at the subsequent work strokes Back strokes executed. A rotation adjustment becomes a change the rotational position of the punch 6 with respect to the lifting axis. 8 performed.
  • the punch 6 acts with a not shown Punching tool in the form of a punching die together.
  • a not shown Punching tool in the form of a punching die together.
  • These is integrated in a usual way in a workpiece table 10, in turn on the lower frame leg 4 of the punching machine 1 is stored.
  • the required for workpiece machining Relative movements of the sheet opposite the punch 6 and the die are by means of a in a pharynx 11 of the machine frame 2 accommodated coordinate guide 12 of conventional design executed.
  • the lifting drive 5 of the punching machine 1 a spindle drive 13 with drive units 14, 15 on.
  • the drive unit 14 comprises a drive spindle 16 and a spindle nut mounted thereon 17, the drive unit 15, a drive spindle 18 and a seated on it spindle nut 19.
  • the drive spindle 16 and the spindle nut 17 are via a threaded engagement 20, the Drive spindle 18 and the spindle nut 19 via a threaded engagement 21 interconnected.
  • the two drive units 14, 15 are executed in opposite directions, but otherwise identical. In particular, both drive units 14, 15 to ball screws.
  • For motor drive of the spindle drive 13 are electrical Drive motors 22, 23, in the example shown torque motors, intended.
  • a stator 24 of the drive motor 22 and a Stator 25 of the drive motor 23 are connected to a drive housing 26 attached.
  • a rotor 27 of the drive motor 22 is gearless connected to the spindle nut 17 of the drive unit 14. Accordingly, the spindle nut 19 of the drive unit 15 is on a rotor 28 of the drive motor 23 fixed. Also due to the mutual axial overlap of the spindle nuts 17, 19 on the one hand and the components of the drive motors 22, 23 on the other The result for the overall arrangement is a comparative one small volume of construction.
  • the drive spindles 16, 18 of the drive units 14, 15 are designed as hollow spindles and a common force introduction element 29 to a one-piece unit with each other connected.
  • the drive spindle 16 takes in its interior Plunger 30, which serves as a power transmission element.
  • the plunger 30 At one axial end of the plunger 30 with the tool bearing 7 and over this provided with the punch 6.
  • the plunger 30 On the drive housing 26, the plunger 30 in this area via a bearing bush 39 supported in the radial direction.
  • the spindle nuts are used for punching workpiece machining 17, 19 of the drive units 14, 15 of the drive motors 22, 23 with opposite directions of rotation and with matching Speeds to coincide with the Hubachse 8 Spindle drive shaft 31 driven. Because of each other opposite directions of rotation and the matching Speeds of the spindle nuts 17, 19 are the one-piece interconnected drive spindles 16, 18 of none of the spindle nuts 17, 19 taken in the direction of rotation. The drive spindles 16, 18 and with them the tool storage 7 and the punch 6 change the rotational position with respect the Hubachse 8 and the spindle drive shaft 31 not.
  • the spindle nuts 17, 19 For rotational adjustment of the punch 6 about the lifting axis 8 the spindle nuts 17, 19 with the same direction of rotation operated.
  • the spindle nuts 17, 19 take the drive spindles 16, 18 and with these the punch 6 in Direction of rotation with. An axial displacement of the punch 6 not done.
  • the rotational adjustment of the punch 6 is by means of Drive control 32 controlled.
  • Parts of the drive controller 32 are detection devices 33, 34, 35 and an evaluation and Control unit 36.
  • the detection device 33 are Angle of rotation and direction of rotation of the punch 6, by means of the detection device 34 rotation angle or speed and direction of rotation the spindle nut 17 and by means of the detection device 35 Rotation angle or speed and direction of rotation of the spindle nut 19 monitored.
  • the evaluation and control unit 36 controls on the basis of the means of detection 33, 34, 35 obtained information the drive motors 22, 23rd
  • a lifting drive 45 has a spindle drive 53 with drive units 54, 55 on.
  • the drive unit 54 includes a drive spindle 56 and a spindle nut 57, the drive unit 55, a drive spindle 58 and a spindle nut 59.
  • the drive spindles 56, 58 are as hollow spindles educated. Between the drive spindle 56 and the Spindle nut 57 is a threaded engagement 60, between the drive spindle 58 and the spindle nut 59 threaded engagement 61 provided.
  • a power transmission element in the form of a plunger 70 is disposed inside the drive spindle 56. At his workpiece-side axial end he is with the tool storage 7 and the punch 6 provided. At the opposite axial end of the plunger 70 is integral with a in the radial direction to an outer collar extended force application element 69 provided. To the force introduction element 69 closes in the direction of the spindle drive shaft 31 an axial Approach 77.
  • the drive spindle 56 sits without in the direction of the spindle drive axis 31 effective connection with the plunger 70 on this on. Accordingly, the drive spindle 58 is on the axial shoulder 77 of the plunger 70 is arranged. Effectively connected in the axial direction are the drive spindles 56, 58 exclusively with the Force introduction element 69. Fixing screws are used for this purpose 78, which the drive spindles 56, 58 on the force introduction element 69 fix effectively on all sides. In the transverse direction of the Spindle drive shaft 31 are the drive spindles 56, 58 respectively clearance on the plunger 70 and the axial projection 77 at.
  • the drive spindles 56, 58 form tool-side spindle drive elements, the spindle nuts 57, 59 workpiece remote spindle drive elements the drive units 54, 55.
  • the force introduction element 69 effects the lifting drive 45 of FIG. 3 only a uniform distribution from at the punch 6 in the direction of the lifting axis 8 and the spindle drive shaft 31 built forces on the drive units 54, 55.
  • effective lateral forces are due to the backlash-free transverse support of the plunger 70th and the axial extension 77 via the plunger 70 in the drive spindle 56 and over the axial projection 77 in the drive spindle 58 removed.
  • Fig. 4 shows a lifting drive 85, in the case of its drive spindles 96, 98 of drive units 94, 95 of a spindle drive 93 gearless with rotors 27, 28 of drive motors 22, 23rd are connected.
  • the drive spindles 96, 98 form workpiece distant Spindle drive elements of the drive units 94, 95.
  • As workpiece-near spindle drive elements of the drive units 94, 95th are spindle nuts 97, 99 are provided.
  • These are at one Force introduction element 109 by means of fastening screws 118 attached and thereby with the force introduction element 109th connected force-transmitting.
  • the force introduction element 109 is integral with a provided as a power transmission element Tappet 110 formed.
  • the Tool storage 7 provided with the punch 6.
  • thread interventions between the drive spindles 96, 98 and the respectively associated spindle nut 97, 98 are the reference numerals 100, 101 assigned. Incidentally, in Fig. 4, the same are the same Reference numerals as used in the previous figures.
  • a lifting drive 125 comprises a spindle drive 133 with drive units 134, 135.
  • Deviating from the conditions shown in FIG. 2 is in the case of Hubantriebes 125 of FIG. 5, a power transmission element in Form of a plunger 150 in the direction of the lifting axis 8 and der Spindle drive shaft 31 exclusively on the drive spindle 136th supported.
  • To support the plunger 150 serves a to this attached outer collar 151, in the drive spindle 136 engages in the radial direction.
  • a gap 160 indicated in FIG. 5 is provided between the Outer wall of the plunger 150 and the inner wall of the drive spindle 136.
  • plunger 150 At its end remote from the punch 6 end of the plunger goes 150 in a force introduction element 149 via. This is opposite the plunger 150 extends radially and is located on the inner wall the transition region between the drive spindles 136, 138 transverse to the stroke direction 8 and the spindle drive axis 131 free of play. An axially effective connection between the force introduction element 149 and the drive spindles 136, 138 does not exist.
  • plunger 150 and force introduction element 149 Due to the described storage of plunger 150 and force introduction element 149 causes the force introduction element 149th a uniform distribution of the punch 6 across the Hubachse 8 built-up forces, but not on the Punch 6 in the direction of the lifting axis 8 acting forces the drive units 134, 135. When removing the shear forces a bearing bush 159 of the plunger 150 acts as a "fulcrum".

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Turning (AREA)
  • Transmission Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP04012522A 2004-05-27 2004-05-27 Werkzeugmaschine mit einem Hubantrieb zur Beaufschlagung eines Werkstückes mit einem Bearbeitungswerkzeug Withdrawn EP1600224A1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP04012522A EP1600224A1 (de) 2004-05-27 2004-05-27 Werkzeugmaschine mit einem Hubantrieb zur Beaufschlagung eines Werkstückes mit einem Bearbeitungswerkzeug
DE200550004201 DE502005004201D1 (de) 2004-05-27 2005-05-25 Werkzeugmaschine mit einem hubantrieb zur beaufschlagung eines werkstückes mit einem bearbeitungswerkzeug
CNB2005800172172A CN100469478C (zh) 2004-05-27 2005-05-25 具有用于用加工工具对工件加载的升降驱动装置的机床
PCT/EP2005/005635 WO2005118176A1 (de) 2004-05-27 2005-05-25 Werkzeugmaschine mit einem hubantrieb zur beaufschlagung eines werkstückes mit einem bearbeitungswerkzeug
EP20050752798 EP1748854B1 (de) 2004-05-27 2005-05-25 Werkzeugmaschine mit einem hubantrieb zur beaufschlagung eines werkstückes mit einem bearbeitungswerkzeug
ES05752798T ES2306162T3 (es) 2004-05-27 2005-05-25 Maquina herramienta con un accionamiento de carrera para someter una pieza de trabajo a la accion de una herramienta de procesado.
AT05752798T ATE395995T1 (de) 2004-05-27 2005-05-25 Werkzeugmaschine mit einem hubantrieb zur beaufschlagung eines werkstückes mit einem bearbeitungswerkzeug
JP2007513796A JP4705634B2 (ja) 2004-05-27 2005-05-25 ワークを加工工具によって負荷するための昇降駆動装置を備えた工作機械
PL05752798T PL1748854T3 (pl) 2004-05-27 2005-05-25 Obrabiarka z napędem podnoszenia do działania narzędzia obróbkowego na detal
US11/563,613 US7694616B2 (en) 2004-05-27 2006-11-27 Spindle drive support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04012522A EP1600224A1 (de) 2004-05-27 2004-05-27 Werkzeugmaschine mit einem Hubantrieb zur Beaufschlagung eines Werkstückes mit einem Bearbeitungswerkzeug

Publications (1)

Publication Number Publication Date
EP1600224A1 true EP1600224A1 (de) 2005-11-30

Family

ID=34925143

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04012522A Withdrawn EP1600224A1 (de) 2004-05-27 2004-05-27 Werkzeugmaschine mit einem Hubantrieb zur Beaufschlagung eines Werkstückes mit einem Bearbeitungswerkzeug
EP20050752798 Active EP1748854B1 (de) 2004-05-27 2005-05-25 Werkzeugmaschine mit einem hubantrieb zur beaufschlagung eines werkstückes mit einem bearbeitungswerkzeug

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20050752798 Active EP1748854B1 (de) 2004-05-27 2005-05-25 Werkzeugmaschine mit einem hubantrieb zur beaufschlagung eines werkstückes mit einem bearbeitungswerkzeug

Country Status (9)

Country Link
US (1) US7694616B2 (pl)
EP (2) EP1600224A1 (pl)
JP (1) JP4705634B2 (pl)
CN (1) CN100469478C (pl)
AT (1) ATE395995T1 (pl)
DE (1) DE502005004201D1 (pl)
ES (1) ES2306162T3 (pl)
PL (1) PL1748854T3 (pl)
WO (1) WO2005118176A1 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008017327A1 (de) * 2006-08-11 2008-02-14 Ernst Grob Ag Stanz- und prägemaschine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130055864A1 (en) * 2011-04-28 2013-03-07 Voith Patent Gmbh Machine for stamping and/or nibbling a workpiece and method for actuating the same
DE102013225200A1 (de) * 2013-12-06 2015-06-11 Continental Teves Ag & Co. Ohg Linearaktuator
CN106273608B (zh) * 2016-11-03 2018-04-10 西安思源学院 一种双电机螺旋副直驱式回转头压力机
CN106739119B (zh) * 2016-12-30 2019-02-22 江苏扬力数控机床有限公司 一种节能型电动冲头及其工作方法

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JPH04105793A (ja) * 1990-08-22 1992-04-07 Amada Co Ltd プレス機械
JPH04172133A (ja) * 1990-11-06 1992-06-19 Amada Co Ltd パンチプレス

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JPH04105793A (ja) * 1990-08-22 1992-04-07 Amada Co Ltd プレス機械
JPH04172133A (ja) * 1990-11-06 1992-06-19 Amada Co Ltd パンチプレス

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008017327A1 (de) * 2006-08-11 2008-02-14 Ernst Grob Ag Stanz- und prägemaschine

Also Published As

Publication number Publication date
CN1960819A (zh) 2007-05-09
CN100469478C (zh) 2009-03-18
JP2008500179A (ja) 2008-01-10
JP4705634B2 (ja) 2011-06-22
ATE395995T1 (de) 2008-06-15
ES2306162T3 (es) 2008-11-01
EP1748854A1 (de) 2007-02-07
DE502005004201D1 (de) 2008-07-03
PL1748854T3 (pl) 2008-10-31
EP1748854B1 (de) 2008-05-21
US7694616B2 (en) 2010-04-13
WO2005118176A1 (de) 2005-12-15
US20070107574A1 (en) 2007-05-17

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