EP1202827B1 - Method for actuating a tappet in a lifting or clamping device, especially for folding sheet metals in car manufacture - Google Patents

Method for actuating a tappet in a lifting or clamping device, especially for folding sheet metals in car manufacture Download PDF

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Publication number
EP1202827B1
EP1202827B1 EP00936796A EP00936796A EP1202827B1 EP 1202827 B1 EP1202827 B1 EP 1202827B1 EP 00936796 A EP00936796 A EP 00936796A EP 00936796 A EP00936796 A EP 00936796A EP 1202827 B1 EP1202827 B1 EP 1202827B1
Authority
EP
European Patent Office
Prior art keywords
wedges
tappet
wedge
accordance
slide
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
EP00936796A
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German (de)
French (fr)
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EP1202827A1 (en
Inventor
Alois GÖRGEN
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.)
ThyssenKrupp Technologies AG
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ThyssenKrupp Technologies AG
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Filing date
Publication date
Priority claimed from DE19954441A external-priority patent/DE19954441A1/en
Application filed by ThyssenKrupp Technologies AG filed Critical ThyssenKrupp Technologies AG
Publication of EP1202827A1 publication Critical patent/EP1202827A1/en
Application granted granted Critical
Publication of EP1202827B1 publication Critical patent/EP1202827B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/08—Arrangements for positively actuating jaws using cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/08—Arrangements for positively actuating jaws using cams
    • B25B5/087—Arrangements for positively actuating jaws using cams actuated by a hydraulic or pneumatic piston
    • 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
    • B30B1/40—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 wedge means

Definitions

  • the invention relates to a device for actuating a tappet in a lifting or Clamping device, in particular for folding sheet metal in automobile construction, where a drivable plunger with a folded bed lying in a base frame is guided and presses the sheets to be folded against fixed folding tools.
  • WO-A-97/49128 a press device is described, the Press ram is supported on a wedge surface, which is used to actuate the ram can be adjusted by an electric motor on a sliding surface.
  • the object of the invention is to hydraulic or pneumatic systems Abandon generation and transmission of the necessary power.
  • the wedges having the wedge surface on the base frame be led.
  • the wedges are preferably substantially orthogonal to the working direction of the Ram adjustable.
  • the wedges Threaded nut for an electric motor driven therein Screw drive arranged.
  • the spindle rotates, the wedges are adjusted and so that the ram is raised or lowered.
  • the threaded nuts preferably have a ball screw.
  • the spindle of the screw drive can be coupled with an electric motor be connected.
  • the electric motor is preferably an intermediate converter the electric motor and the clutch can advantageously be a gear be switched.
  • the spindle can be in an axial spherical roller bearing be led.
  • the device which is preferably referred to as an electromechanical lifting unit, can are used in the areas of clamping technology, folding and Flanging technology and also in special areas of conveyor technology.
  • a vertically up and down plunger 1 is shown, the on the top side a folding bed, not shown, for the body panels to be folded can carry. Above the folding bed are not shown fixed folding tools.
  • the plunger 1 is guided in a base frame 3. Below the plunger 1 there are horizontally adjustable wedges 17, 18 which are on on the base frame 3 arranged slide plates 6 are guided. On the pestle 1 facing oblique wedge surfaces 7, the plunger 1 is supported.
  • a left lower wedge 17 and a right lower wedge 18 are opposite inclined wedge surfaces 7 with the help of a common screw drive 20 Threaded nuts 21, 22 with left and right hand threads in opposite Movable directions.
  • the screw drive 20 is of a common Electric motor 16 driven via the clutch 14 and has the end Bearings 23 and 24.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Transmission Devices (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention relates to a device for actuating a tappet in a lifting of clamping device, especially for folding sheet metals in car manufacture. A tappet (1) is guided in a base stand (3) and can be driven. Said tappet (1) supports the folding bed and presses the sheet metals to be folded against stationary folding tools. According to the invention, the tappet (1) is supported on at least one wedge face (7) which can be adjusted in an electromotive manner.

Description

Die Erfindung betrifft eine Vorrichtung zur Betätigung eines Stößels in einer Huboder Spannvorrichtung, insbesondere zum Falzen von Blechen im Automobilbau, wobei ein antreibbarer Stößel mit aufliegendem Falzbett in einem Grundgestell geführt ist und die zu falzenden Bleche gegen feststehende Falzwerkzeuge presst.The invention relates to a device for actuating a tappet in a lifting or Clamping device, in particular for folding sheet metal in automobile construction, where a drivable plunger with a folded bed lying in a base frame is guided and presses the sheets to be folded against fixed folding tools.

Bei einer bekannten Vorrichtung der eingangs beschriebenen Gattung (US 5 150 508) werden der Falzhub und die benötigte Falzkraft durch einen zentralen, unter dem Stößel liegenden Hydraulikzylinder aufgebracht. Bei einer anderen Ausführung befindet sich unter dem Stößel ein Druckluftkissen (DE 197 47 291). Der Stößel befördert das Falzbett und das darin befindliche Werkstück (Karosserieblech) gegen die feststehenden Vor- bzw. Fertigfalzwerkzeuge, die an verschieb- und schwenkbaren Einrichtungen befestigt sind.In a known device of the type described above (US 5 150 508) the folding stroke and the required folding force by one central hydraulic cylinder located under the tappet. At a Another version is a compressed air cushion under the plunger (DE 197 47 291). The ram conveys the folding bed and the one inside Workpiece (body panel) against the fixed front or Prefabricated folding tools, which are attached to sliding and swiveling devices are.

In der WO-A-97/49128 ist eine Pressenvorrichtung beschrieben, wobei der Pressenstößel auf einer Keilfläche abgestützt ist, die zur Betätigung des Stößels elektromotorisch auf einer Gleitfläche verstellt werden kann.In WO-A-97/49128 a press device is described, the Press ram is supported on a wedge surface, which is used to actuate the ram can be adjusted by an electric motor on a sliding surface.

Aufgabe der Erfindung ist es, auf hydraulische oder pneumatische Systeme zur Erzeugung und Übertragung der notwendigen Kraft zu verzichten.The object of the invention is to hydraulic or pneumatic systems Abandon generation and transmission of the necessary power.

Diese Aufgabe wird dadurch gelöst, dass dass der Stößel auf zwei Keilen mit entgegengesetzt angeordneten Keilflächen abgestützt ist, die elektromotorisch über einen Gewindetrieb mit Links- und Rechtsgewinde gleichzeitig in entgegengesetzter Richtung verstellbar sind und auf einen mit dem Stößel verbundenen Keil mit zugeordneten Keilflächen einwirken.This problem is solved in that the ram is on two wedges oppositely arranged wedge surfaces is supported by an electric motor via a screw drive with left and right hand threads simultaneously in opposite direction are adjustable and on one with the plunger act connected wedge with assigned wedge surfaces.

Bei Rotation der elektromotorisch angetriebenen Spindel werden dabei die beiden Keile durch das Links- und Rechtsgewinde der Spindel über die Gewindemuttern zusammengeschoben bzw. auseinanderbewegt. Dies hat zur Folge, dass die mit dem Stößel verbundenen Keile entsprechend hin und her bewegt werden. When the electromotive spindle rotates, the two become Wedges through the left and right hand threads of the spindle over the threaded nuts pushed together or moved apart. As a result, those with the wedges connected to the tappet are moved back and forth accordingly.

Insbesondere können die die Keilfläche aufweisenden Keile am Grundgestell geführt sein.In particular, the wedges having the wedge surface on the base frame be led.

Vorzugsweise sind die Keile im Wesentlichen orthogonal zur Arbeitsrichtung des Stößels verstellbar.The wedges are preferably substantially orthogonal to the working direction of the Ram adjustable.

Bei einer bevorzugten Ausführung der Erfindung sind an den Keilen Gewindemuttem für einen darin geführten elektromotorisch antreibbaren Gewindetrieb angeordnet. Bei Drehung der Spindel werden die Keile verstellt und damit der Stößel angehoben bzw. abgesenkt.In a preferred embodiment of the invention are on the wedges Threaded nut for an electric motor driven therein Screw drive arranged. When the spindle rotates, the wedges are adjusted and so that the ram is raised or lowered.

Die Gewindemuttern besitzen vorzugsweise ein Kugelumlaufgetriebe.The threaded nuts preferably have a ball screw.

Die Spindel des Gewindetriebes kann über eine Kupplung mit einem Elektromotor verbunden sein. Der Elektromotor ist vorzugsweise umrichtergeführt Zwischen den Elektromotor und die Kupplung kann zweckmäßigerweise ein Getriebe geschaltet sein. Motorseitig kann die Spindel in einem Axialpendelrollenlager geführt sein.The spindle of the screw drive can be coupled with an electric motor be connected. The electric motor is preferably an intermediate converter the electric motor and the clutch can advantageously be a gear be switched. On the motor side, the spindle can be in an axial spherical roller bearing be led.

Die bevorzugt als elektromechanische Hubeinheit bezeichnete Vorrichtung kann unter anderem angewendet werden auf die Gebiete Spanntechnik, Falz- bzw. Bördeltechnik und auch auf spezielle Gebiete der Fördertechnik.The device, which is preferably referred to as an electromechanical lifting unit, can are used in the areas of clamping technology, folding and Flanging technology and also in special areas of conveyor technology.

Die Erfindung wird anhand der beigefügten Figuren 1 und 2 beispielweise näher erläutert. Es zeigen

Fig. 1
die erfindungsgemäße Ausführungsform unter Verwendung von zwei entgegengesetzt verschiebbaren Keilen (17, 18) in der unteren Stellung des Keils (19) und
Fig. 2
die Ausführungsform nach Fig. 1 in der oberen Stellung des Keils (19).
The invention is explained in more detail, for example, with the aid of the attached FIGS. 1 and 2. Show it
Fig. 1
the embodiment according to the invention using two oppositely displaceable wedges (17, 18) in the lower position of the wedge (19) and
Fig. 2
the embodiment of FIG. 1 in the upper position of the wedge (19).

In den Figuren ist ein vertikal auf- und abbeweglicher Stößel 1 dargestellt, der oberseitig ein nicht dargestelltes Falzbett für die zu falzenden Karosseriebleche tragen kann. Oberhalb des Falzbettes befinden sich nicht dargestellte feststehende Falzwerkzeuge. Der Stößel 1 ist in einem Grundgestell 3 geführt. Unterhalb des Stößels 1 befinden sich horizontal verstellbare Keile 17, 18, die auf am Grundgestell 3 angeordneten Gleitplatten 6 geführt sind. Auf dem Stößel 1 zugewandten schrägen Keilflächen 7 ist der Stößel 1 abgestützt.In the figures, a vertically up and down plunger 1 is shown, the on the top side a folding bed, not shown, for the body panels to be folded can carry. Above the folding bed are not shown fixed folding tools. The plunger 1 is guided in a base frame 3. Below the plunger 1 there are horizontally adjustable wedges 17, 18 which are on on the base frame 3 arranged slide plates 6 are guided. On the pestle 1 facing oblique wedge surfaces 7, the plunger 1 is supported.

Ein linker unterer Keil 17 und ein rechter unterer Keil 18 sind mit entgegengesetzt geneigten Keilflächen 7 mit Hilfe eines gemeinsamen Gewindetriebes 20 mit Gewindemuttern 21, 22 mit Links- und Rechtgewinde in entgegengesetzten Richtungen bewegbar. Der Gewindetrieb 20 wird von einem gemeinsamen Elektromotor 16 über die Kupplung 14 angetrieben und besitzt endseitig die Lagerungen 23 und 24. Zum Anheben des Stößels 1 werden die beiden Keile 17, 18 mit Hilfe des Gewindetriebes 20 gleichzeitig aufeinander zubewegt, wobei die zugehörigen Keilflächen 7 der Keile 17, 18 auf den Keilflächen 25 des oberen Keiles 19 gleiten und damit den Stößel 1 anheben. Nach Umkehrung der Drehrichtung des Gewindetriebes 20 werden die Keile 17, 18 wieder auseinanderbewegt und damit der Stößel 1 abgesenkt. A left lower wedge 17 and a right lower wedge 18 are opposite inclined wedge surfaces 7 with the help of a common screw drive 20 Threaded nuts 21, 22 with left and right hand threads in opposite Movable directions. The screw drive 20 is of a common Electric motor 16 driven via the clutch 14 and has the end Bearings 23 and 24. To raise the plunger 1, the two wedges 17, 18 simultaneously moved towards each other with the aid of the screw drive 20, the associated wedge surfaces 7 of the wedges 17, 18 on the wedge surfaces 25 of the upper Slide the wedge 19 and lift the plunger 1. After reversing the The direction of rotation of the screw drive 20, the wedges 17, 18 again moved apart and thus lowered the plunger 1.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Stößeltappet
33
Grundgestellbase frame
66
Gleitplattensliding plates
77
Keilflächewedge surface
1414
Kupplungclutch
1616
Elektromotorelectric motor
1717
linker Keil (unten)left wedge (bottom)
1818
rechter Keil (unten)right wedge (below)
1919
Keil (oben)Wedge (top)
2020
Gewindetrieb mit Links- und Rechtsgewinde (Spindel)Screw drive with left and right hand thread (spindle)
2121
Gewindemutter mit LinksgewindeLeft-hand thread nut
2222
Gewindemutter mit RechtsgewindeThreaded nut with right-hand thread
2323
Lagerung von 20Storage of 20
2424
Lagerung von 20Storage of 20
2525
Keilflächen an 19Wedge surfaces on 19

Claims (7)

  1. A device for actuating a slide (1) in a lifting or clamping device, especially for folding sheet metals in automobile manufacture, wherein a slide (1) that can be driven is guided in a base (3), characterized in that the said slide (1) is supported on two wedges (17,18) with oppositely arranged wedge surfaces (7) which can simultaneously be adjusted in opposite direction by means of an electric motor via a threaded drive (20) with anti-clockwise and clockwise thread and which act on a wedge (19) with allocated wedge surface, said wedge being connected to said slide (1).
  2. A device in accordance with claim 2, characterized in that the wedges (17, 18) having said wedge surfaces (7) are guided at said base (3).
  3. A device in accordance with any of claims 1 to 3, characterized in that said wedges (17, 18) are adjustable essentially orthogonally to the working direction of said slide (1).
  4. A device in accordance with any of claims 1 to 3, characterized in that threaded nuts (21, 22) for the threaded drive (20) guided therein and drivable by an electric motor are arranged at said wedges (17, 18).
  5. A device in accordance with claim 4, characterized in that the threaded nuts (21, 22) are accommodated in a recess (9) of said wedges (17, 18).
  6. A device in accordance with claim 4 or 5, characterized in that said threaded nuts (21, 22) have a recirculating ball thread.
  7. A device in accordance with claim 1, characterized in that the spindle of the threaded drive (20) is connected via a coupling (14) to an electric motor (16).
EP00936796A 1999-08-13 2000-05-25 Method for actuating a tappet in a lifting or clamping device, especially for folding sheet metals in car manufacture Expired - Lifetime EP1202827B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19938366 1999-08-13
DE19938366 1999-08-13
DE19954441A DE19954441A1 (en) 1999-08-13 1999-11-11 Device for actuating a tappet in a lifting or tensioning device, in particular for folding metal sheets in automobile construction
DE19954441 1999-11-11
PCT/EP2000/004753 WO2001012355A1 (en) 1999-08-13 2000-05-25 Method for actuating a tappet in a lifting or clamping device, especially for folding sheet metals in car manufacture

Publications (2)

Publication Number Publication Date
EP1202827A1 EP1202827A1 (en) 2002-05-08
EP1202827B1 true EP1202827B1 (en) 2002-09-18

Family

ID=26054589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00936796A Expired - Lifetime EP1202827B1 (en) 1999-08-13 2000-05-25 Method for actuating a tappet in a lifting or clamping device, especially for folding sheet metals in car manufacture

Country Status (6)

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EP (1) EP1202827B1 (en)
AT (1) ATE224248T1 (en)
CA (1) CA2380448C (en)
CZ (1) CZ295012B6 (en)
ES (1) ES2182806T3 (en)
WO (1) WO2001012355A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009059676A1 (en) 2009-12-19 2011-06-22 ThyssenKrupp Drauz Nothelfer GmbH, 74076 Method and device for folding one or more sheets

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2387905B1 (en) * 2012-08-06 2013-08-20 Composites Aragón, S.L. Mold for composite elements with variable thickness
ITTV20120210A1 (en) * 2012-11-08 2014-05-09 Almerino Canuto MODULAR BIT FOR WORKING RAW DETAILS, FINISHED AND FINISHED SEEDS
TWI582558B (en) * 2015-12-30 2017-05-11 上銀科技股份有限公司 Clamping device based on back electromotive force and the control method
WO2019186241A1 (en) * 2018-03-29 2019-10-03 Bugatti Fonderie S.R.L. Restraining device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515355A (en) * 1982-06-21 1985-05-07 The Warner & Swasey Company Sheet metal workholder utilizing linear wedge action
CA1230517A (en) * 1982-08-25 1987-12-22 Ladislao W. Putkowski Press with wedge
US5150508A (en) * 1991-06-28 1992-09-29 E. R. St. Denis & Sons, Limited Hemming machine and method
JP2881363B2 (en) * 1993-02-02 1999-04-12 キヤノン株式会社 Parallel moving device and lens moving device
SG64937A1 (en) * 1996-06-21 2000-08-22 Advanced Systems Automation Wedge device for linear force amplification in a press
DE19747291C1 (en) * 1997-10-25 1999-01-21 Thyssen Industrie Folder for motor vehicle body panels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009059676A1 (en) 2009-12-19 2011-06-22 ThyssenKrupp Drauz Nothelfer GmbH, 74076 Method and device for folding one or more sheets
WO2011072781A2 (en) * 2009-12-19 2011-06-23 Thyssenkrupp Drauz Nothelfer Gmbh Method and device for folding one of more metal sheets
WO2011072781A3 (en) * 2009-12-19 2011-09-15 Thyssenkrupp Drauz Nothelfer Gmbh Method and device for folding one of more metal sheets

Also Published As

Publication number Publication date
CZ295012B6 (en) 2005-05-18
EP1202827A1 (en) 2002-05-08
CZ20014691A3 (en) 2002-05-15
WO2001012355A1 (en) 2001-02-22
CA2380448A1 (en) 2001-02-22
CA2380448C (en) 2008-10-28
ES2182806T3 (en) 2003-03-16
ATE224248T1 (en) 2002-10-15

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