EP1493508A2 - Antrieb für eine Vorrichtung zum Krimpen, insbesondere zum Krimpen des Randes eines Kraftfahrzeugfensters - Google Patents

Antrieb für eine Vorrichtung zum Krimpen, insbesondere zum Krimpen des Randes eines Kraftfahrzeugfensters Download PDF

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Publication number
EP1493508A2
EP1493508A2 EP04102317A EP04102317A EP1493508A2 EP 1493508 A2 EP1493508 A2 EP 1493508A2 EP 04102317 A EP04102317 A EP 04102317A EP 04102317 A EP04102317 A EP 04102317A EP 1493508 A2 EP1493508 A2 EP 1493508A2
Authority
EP
European Patent Office
Prior art keywords
clinching
assembly
supporting table
connecting rod
actuators
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
EP04102317A
Other languages
English (en)
French (fr)
Other versions
EP1493508B1 (de
EP1493508A3 (de
Inventor
Giovanni Novarino
Guido Novarino
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.)
Pmc Tecnologie Srl
Original Assignee
Pmc Tecnologie Srl
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 Pmc Tecnologie Srl filed Critical Pmc Tecnologie Srl
Publication of EP1493508A2 publication Critical patent/EP1493508A2/de
Publication of EP1493508A3 publication Critical patent/EP1493508A3/de
Application granted granted Critical
Publication of EP1493508B1 publication Critical patent/EP1493508B1/de
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

Definitions

  • the present invention relates to an actuating assembly for a clinching die, in particular for clinching the peripheral edge of a vehicle window, to which the following description refers purely by way of example.
  • clinching dies which are inserted through the window, and which comprise two sets of blades located at two different levels and activated to perform, respectively, a so-called pre-clinching operation followed by an actual clinching operation, each defined by a roughly 45° bend of the tabs.
  • the blades are operated to move horizontally between a withdrawn position towards the centre of the window, and an extracted position facing the tabs to be clinched, and are carried by a supporting table in turn operated synchronously by two motors.
  • One of the motors translates the clinching die vertically between two reference positions to selectively position the two sets of blades at the peripheral edge of the window, and the other motor translates the blades, in the extracted position, vertically by a work travel about each reference position, so as to bend the tabs.
  • the motors operating the supporting table are located in fixed positions alongside the clinching die, and move the supporting table by means of respective transmissions which are extremely complex and bulky.
  • the transmissions operating the supporting table tend to introduce errors in the positioning of the supporting table and, therefore, in the pre-clinching and clinching operations.
  • an actuating assembly for a clinching die in particular for clinching the peripheral edge of a vehicle window; the assembly comprising:
  • Number 1 in the accompanying drawings indicates an actuating assembly for a clinching die 2, in particular for clinching the peripheral edge of a window 4 formed in a body panel 5 of a vehicle.
  • panel 5 is defined by a door, and comprises a sheet metal outer panel 6 terminating inwards with a number of tabs 7, which define the peripheral edge of window 4 and, before being clinched and by virtue of a previous press operation, form an angle of about 90° with the rest of outer panel 6.
  • door 5 is set up in a fixed position at a station 9, which houses a supporting structure 10 for supporting outer panel 6, a clamping device 11 for clamping door 5, and die 2.
  • Die 2 has a vertical axis 13, extends axially through structure 10, projects from the top of structure 10 to engage window 4, and comprises a number of blades 14 for performing a pre-clinching operation, and a number of blades 15 for performing the actual clinching operation and located at a lower level than blades 14.
  • blades 14, 15 are operated, in known manner not shown, to move, crosswise to axis 13, between a withdrawn position towards the centre of die 2 and window 4, and an extracted position vertically facing tabs 7.
  • Die 2 is movable axially along axis 13 by assembly 1, which is located beneath die 2 at station 9.
  • assembly 1 comprises a frame 19 in turn comprising a base plate 20 fixed at station 9, and a structure 21 projecting upwards from plate 20.
  • Structure 21 comprises a vertical wall 22 having a U-shaped top seat 23; two transverse vertical wings 25 (only one shown) on opposite sides of wall 22; and a plate 26 fitted to one end of wings 25 and parallel to wall 22.
  • Assembly 1 also comprises a substantially mushroom-shaped supporting carriage 27 in turn comprising a tubular bottom portion 28 extending along axis 13, and a top table 29 integral with portion 28, perpendicular to axis 13, and defining a supporting surface to which die 2 is fixed.
  • One of the walls, indicated 31, of portion 28 is parallel to and faces wall 22, has a bottom seat 32, and is fitted to wall 22 by a preferably recirculating-ball-type guide and slide device 33 (shown schematically).
  • Device 33 comprises two vertical guides 34 (only one shown) spaced transversely apart and connected integrally to wall 22; and two pairs of slides 35 (only one shown) connected to wall 31 and which run along guides 34.
  • Carriage 27 is translated axially by a drive device 36 comprising a fixed motor reducer 37 and a movable motor reducer 38 (both shown partly and schematically), which are preferably electromechanical and are located diametrically opposite with respect to axis 13.
  • a drive device 36 comprising a fixed motor reducer 37 and a movable motor reducer 38 (both shown partly and schematically), which are preferably electromechanical and are located diametrically opposite with respect to axis 13.
  • motor reducer 37 is connected integrally to frame 19, on the opposite side of wall 22 to plate 26, and motor reducer 38 is connected integrally to portion 28, on the opposite side of portion 28 to wall 22.
  • Motor reducers 37, 38 rotate respective output shafts 39, 40 fitted to structure 21 and portion 28 respectively to rotate about respective parallel horizontal axes 41, 42.
  • Shaft 40 comprises an intermediate portion 43 housed in portion 28, and an end 44 projecting inside seat 23; and shaft 39 comprises an end portion 45 extending axially between wall 22 and plate 26, through seat 32, and beneath portion 28.
  • Shaft 39 drives a first connecting rod and crank transmission 47 to translate carriage 27, and therefore die 2, along axis 13 and by a travel of roughly 60 millimetres, between a lowered reference position and a raised reference position, in which blades 14 and 15, when extracted, are positioned facing and over tabs 7 respectively.
  • Transmission 47 comprises a crank disk 48 integral with portion 45 and having an axis 49 parallel to and eccentric with respect to axis 41; and a connecting rod 50 comprising a bottom portion 51 hinged to disk 48 about axis 49.
  • Disk 48 comprises a portion 52 projecting with respect to shaft 39 and supporting a projection 53, which projects towards plate 26 and, as shaft 39 rotates, selectively contacts tangentially a top stop member 54 and a bottom stop member 55, which are carried by plate 26 to arrest carriage 27 in said reference positions.
  • connecting rod 50 comprises a top end portion 56 housed in portion 28, and also forms part of a second connecting rod and crank transmission 57 driven by shaft 40 to translate carriage 27, and therefore die 2, back and forth along axis 13 by a work travel of roughly 8 millimetres about each reference position, so that blades 14 and 15 bend tabs 7 to perform a pre-clinching and clinching operation respectively.
  • Transmission 57 comprises a crank disk 58 integral with portion 43, and which has an axis 59 parallel to and eccentric with respect to axis 42, and is hinged to portion 56 about axis 59.
  • Blades 14 are extracted (as shown by the dash line on the left-hand side of axis 13 in Figure 2) and are then lowered onto tabs 7 to perform the pre-clinching operation by operating motor reducer 38 to lower table 29 and die 2 axially by the work travel (as shown by the continuous line on the right-hand side of axis 13 in Figure 2), while shaft 39 remains stationary.
  • Blades 14 are then withdrawn (as shown by the dash line on the right-hand side of axis 13 in Figure 2), and motor reducer 37 is operated to rotate shaft 39 and so lift shaft 40, carriage 27, and die 2 along axis 13 into the raised reference position to change the working blades (Figure 3). More specifically, as shaft 39 rotates, the eccentricity of disk 48 rotates axis 49 about axis 41, so that connecting rod 50 swings about axis 59 to bring projection 53 into contact with member 54 in the top dead centre position of axis 49.
  • blades 15 are extracted (as shown by the dash line on the left-hand side of axis 13 in Figure 3) and are then lowered, to perform the clinching operation and complete the bending of tabs 7, by operating motor reducer 38 to lower die 2 axially by the work travel (as shown by the continuous line on the right-hand side of axis 13 in Figure 3), while shaft 39 remains stationary.
  • Assembly 1 is therefore extremely compact, by motor reducer 38 being movable vertically to accompany carriage 27, and therefore only requiring an extremely straightforward transmission 57, which is also movable by motor reducer 37 and transmission 47.
  • assembly 1 is also due to the relative arrangement of shafts 39, 40 and motor reducers 37, 38, and to the particular type of transmissions 47, 57, which are extremely straightforward by comprising a small number of component parts, while at the same time transmitting fairly considerable power to convert the rotary movement of shafts 39, 40 to linear movement of carriage 27.
  • the bending of tabs 7 may be activated by the fixed, as opposed to the movable, motor reducer, and movement between the reference positions may be activated by the movable, as opposed to the fixed, motor reducer.
  • the motor reducers may differ from those shown, e.g. may comprise translating, as opposed to rotary, output shafts.
  • the movable motor reducer may be at least partly connected to connecting rod 50 or to any other intermediate transmission members interposed between carriage 27 and the fixed motor reducer, so as only to be moved during translation produced by the fixed motor reducer, and not during translation of its own making.
  • the connecting rod and crank transmissions may also be replaced by other types, e.g. cam, lever, or screw and nut screw transmissions.
  • actuating assembly 1 may be used for a die other than the one shown, and for clinching the edge of parts other than those described by way of example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Transmission Devices (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP04102317A 2003-07-01 2004-05-26 Antrieb für eine Vorrichtung zum Krimpen, insbesondere zum Krimpen des Randes eines Kraftfahrzeugfensters Expired - Lifetime EP1493508B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000501A ITTO20030501A1 (it) 2003-07-01 2003-07-01 Gruppo per la movimentazione di uno stampo di graffatura, in particolare per la graffatura del bordo perimetrale di una finestra di un veicolo
ITTO20030501 2003-07-01

Publications (3)

Publication Number Publication Date
EP1493508A2 true EP1493508A2 (de) 2005-01-05
EP1493508A3 EP1493508A3 (de) 2005-01-12
EP1493508B1 EP1493508B1 (de) 2006-07-05

Family

ID=33428324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04102317A Expired - Lifetime EP1493508B1 (de) 2003-07-01 2004-05-26 Antrieb für eine Vorrichtung zum Krimpen, insbesondere zum Krimpen des Randes eines Kraftfahrzeugfensters

Country Status (5)

Country Link
EP (1) EP1493508B1 (de)
AT (1) ATE332199T1 (de)
DE (1) DE602004001422T2 (de)
ES (1) ES2266991T3 (de)
IT (1) ITTO20030501A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015079083A1 (es) * 2013-11-27 2015-06-04 Ingemat, S.L. Unidad de engatillado
CN105033051A (zh) * 2015-06-26 2015-11-11 陈璟 车门模具的非标扣合机构
CN106140999A (zh) * 2016-08-03 2016-11-23 安徽巨自动化装备有限公司 一种应用于铝合金门盖包边的多连杆包边机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103320A1 (de) * 1999-11-25 2001-05-30 Ford-Werke Aktiengesellschaft Bördelvorrichtung
DE20110524U1 (de) * 2001-06-28 2002-08-08 KUKA Schweissanlagen GmbH, 86165 Augsburg Falzeinrichtung
EP1258300A2 (de) * 2001-05-18 2002-11-20 Valiant Corporation Bördelvorrichtung mit Doppelantriebkugelgewindespindel
US6487888B1 (en) * 2000-10-05 2002-12-03 Valiant Corporation Hemming machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103320A1 (de) * 1999-11-25 2001-05-30 Ford-Werke Aktiengesellschaft Bördelvorrichtung
US6487888B1 (en) * 2000-10-05 2002-12-03 Valiant Corporation Hemming machine
EP1258300A2 (de) * 2001-05-18 2002-11-20 Valiant Corporation Bördelvorrichtung mit Doppelantriebkugelgewindespindel
DE20110524U1 (de) * 2001-06-28 2002-08-08 KUKA Schweissanlagen GmbH, 86165 Augsburg Falzeinrichtung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015079083A1 (es) * 2013-11-27 2015-06-04 Ingemat, S.L. Unidad de engatillado
CN105033051A (zh) * 2015-06-26 2015-11-11 陈璟 车门模具的非标扣合机构
CN106140999A (zh) * 2016-08-03 2016-11-23 安徽巨自动化装备有限公司 一种应用于铝合金门盖包边的多连杆包边机构

Also Published As

Publication number Publication date
ES2266991T3 (es) 2007-03-01
DE602004001422T2 (de) 2007-01-04
ATE332199T1 (de) 2006-07-15
EP1493508B1 (de) 2006-07-05
ITTO20030501A1 (it) 2005-01-02
DE602004001422D1 (de) 2006-08-17
EP1493508A3 (de) 2005-01-12

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