EP1162011B1 - Appareil pour plier le bord d'une pièce par repliage à rouleaux - Google Patents

Appareil pour plier le bord d'une pièce par repliage à rouleaux Download PDF

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Publication number
EP1162011B1
EP1162011B1 EP01111490A EP01111490A EP1162011B1 EP 1162011 B1 EP1162011 B1 EP 1162011B1 EP 01111490 A EP01111490 A EP 01111490A EP 01111490 A EP01111490 A EP 01111490A EP 1162011 B1 EP1162011 B1 EP 1162011B1
Authority
EP
European Patent Office
Prior art keywords
folding
roller
flange edge
rollers
tool unit
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
EP01111490A
Other languages
German (de)
English (en)
Other versions
EP1162011A2 (fr
EP1162011A3 (fr
Inventor
Henry Amon
Paul Wüstholz
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.)
Audi AG
Original Assignee
Audi 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 Audi AG filed Critical Audi AG
Publication of EP1162011A2 publication Critical patent/EP1162011A2/fr
Publication of EP1162011A3 publication Critical patent/EP1162011A3/fr
Application granted granted Critical
Publication of EP1162011B1 publication Critical patent/EP1162011B1/fr
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
    • 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
    • B21D39/023—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 using rollers

Definitions

  • the invention relates to a device for transferring a flanged edge of a Workpiece by Rollfalzen according to the preamble of claim 1.
  • Such a device is known from the document JP 08 16 4433-A.
  • a known device for transferring a flanged edge by Rollfalzen (EP 0 577 876 B1) comprises a tool unit, which by means of a Gelenkarmroboters controlled is movable. On the tool unit is rotatably a Folding roller stored under pressure application and with certain angular position can be rolled along and in contact with the flanged edge to their assignment.
  • the workpiece with the pre-folding already folded by about 90 ° Bördelkante is in a holding device for holding the workpiece and inserted to support the area of the flanging edge.
  • a holding device for holding the workpiece and inserted to support the area of the flanging edge.
  • here is the production of a joint connection between two sheet metal components shown wherein with the folding process, the flanged edge of an outer sheet metal component to an edge of a second sheet metal component is crimped.
  • the folding process takes place here in two stages, by the cylindrical seaming roller under Pressure with an angle of attack in such a way guided along the flanged edge is that this is folded in a Vorfalzung by about 45 °. Subsequently for a second folding stage, the cylindrical folding roller with its roller axis pivoted in such a way that for a final fold the crimping edge completely is folded by 90 °.
  • the object of the invention is to provide a generic device for folding further develop a flanged edge of a workpiece by Rollfalzen so that With less effort a good folding result can be achieved.
  • the tool unit on the drive about a pivot axis pivotally mounted and at a certain tilt angle in at least two working positions swiveling.
  • the at least two working positions is in each case one on the tool unit rotatably mounted folding roller assigned, wherein the at least two, the working positions assigned Folding rollers differently formed and with respect to the Bördelkantenumweg have different effective Falzrollenagess vom.
  • the folding rollers used have different, for the respective process effective Falzrollen principals vom, with which in particular Vorfalzungen and the Endfalzung can be performed.
  • the required different angle of the Falzrollen touches vom with respect to the Bördelkante are thus inventively formed by the differently Folding rollers provided only in their just required Function position must be swiveled. This can be done by means of a Robot joint arm the tool unit in all folding stages about the same Trajectory are guided, in contrast to the prior art, where complicated changes in the trajectory of the robot articulated arm in the to consider individual fold levels by the tilting of the folding roller are.
  • a particularly simple geometric arrangement results according to the claim 2, by the roller rotational axes of the at least two folding rollers radially aligned with the pivot axis in a vertical plane to the pivot axis lie and include the swing angle.
  • the pivot axis is for a folding expedient approximately parallel to the réellekanteten flanged edge and approximately perpendicular to the edge adjacent to the flanged workpiece surface set.
  • the approach of the different working positions can by Swinging the tool unit back and forth about the pivot axis.
  • the working positions can also be continued by turning in one Be approached direction, in which case the pivot axis as a rotation axis is trained.
  • To the different folding rollers by simple pivoting movements each in their functional position, it is necessary the effective for assigning the crimping edge Falzrollenies vom about to be arranged at the same distance from the pivot axis.
  • the seaming roller peripheral surfaces of the individual folding rollers each according to the requirements and circumstances in terms of a pre-fold and final fold for certain desired fold formations be executed.
  • the different folding roller peripheral surfaces in a simple manner as conical surfaces with different cone angles and / or in particular for the Endfalzung as cylindrical surfaces perform, whereby with each of the individual Folding rollers different angles of attack with respect to the flanged edge for an associated gradual Rollfalzung can be achieved.
  • a first folding roller is a tapered roller with a conical surface for a Allocation of the flanged edge designed in a first pre-seaming step by about 30 °.
  • a second seaming roller is accordingly a tapered roller for a second prefolding stage designed with a deflection of the flanged edge by about 60 °.
  • the third folding roller designed as a cylindrical roller.
  • a particularly advantageous development is with the features of the claim 5 achieved by coaxially attached to the folding rollers support rollers are on a given track on the workpiece holding device support and unroll there. Because the same trajectory for each fold is traversed and the different angles of attack with respect the folded edge to be redefined by the shape of the individual folding rollers can, in each folding stage, the respective support roller on the same Unroll the guideway, which provides good guidance in each fold and a good overall folding result is achieved.
  • the support rollers are in a simple embodiment according to claim 6 rotatably, preferably integrally and materially connected to the folding rollers and arranged pointing to the pivot axis, so that they on a Rolling guide track next to the flanged edge.
  • the tool unit can be built according to claim 7 as an independent component and at the end flanged to a robot articulated arm.
  • the device according to the invention can be used both for a simple edging edge formation as well as according to claim 8 for a joint of two Sheet metal parts are used.
  • FIG. 1 is a schematic diagram of a tool unit 1 of a device 2 for Conversion of a flanged edge of a workpiece by Rollfalzen in perspective shown.
  • This tool unit 1 is by means of a drive, for. B. by means controlled controlled by an articulated arm robot.
  • the tool unit 1 flanged over the flange 3 on a robot articulated arm, which is not shown here for reasons of clarity.
  • the tool unit is, as can be seen in particular from FIG. 1, mounted on the drive about a pivot axis 4 pivotally and can around this Swivel axis 4 in certain pivoting ranges in the corresponding Working positions are pivoted, which is still in detail below is discussed.
  • FIG. 2 which is a schematic Top view of the tool unit 1 of Fig. 1, are on the tool unit 1, for example, three rotatably mounted folding rollers 5, 6 and 7, which, as can be seen in particular from FIGS. 3 and 4, under Pressure application along and in abutment on a flanged edge 16 of a workpiece 15 is rollable to their assignment.
  • the device 2 for supporting the workpiece 15 and supporting the area the crimping edge 16 further comprises a holding device 14, which the tool unit 1 is assigned so that the folding rollers 5, 6 and 7 in their working positions the flare edge 16 can move, as described in more detail below becomes:
  • the roller pivot axes are located 8, 9 and 10 of the folding rollers 5, 6 and 7 radially to the pivot axis 4 in one vertical plane to the pivot axis 4.
  • the three folding rollers 5, 6 and 7 are each arranged at a pivoting angle distance of 120 °, wherein the first Folding roller 5 a conical surface 11 for a distribution of the flanged edge 16 in one First folding step as the first prefolding by about 30 °.
  • Such first pre-folding thus takes place when the first folding roller 5 on the tool unit 1 in their corresponding working position in the region of the holding device 14 is pivoted, which is not shown here.
  • the second seaming roller 6, which has a conical surface 12 for a distribution of the flanged edge 16 in a second fold as a second prefold about 60 °, in their corresponding working position at the Holding device 14 are pivoted, which also not shown here is.
  • the third seaming roller 7, acting as a cylindrical roller with a cylindrical surface 13 for a complete transfer of the flanged edge 16 in a third folding stage is formed as Endfalzung by about 90 °, in their in Figs. 3 and 4 shown schematically pivoted working position.
  • this flanging is performed an outer sheet metal part 17 by the successive stages in their working positions bringable folding rollers 5, 6 and 7 to an inner sheet metal part 18 for a Joint connection of the two sheet metal parts 17, 18 flanged.
  • FIGS. 1 to 4 they are coaxial with the Folding rollers 5, 6 and 7 support rollers 19, 20, 21 attached, the rotationally fixed and preferably are integrally connected to the folding rollers 5, 6 and 7 and in the direction are arranged offset to the pivot axis 4 out.
  • These support rollers 19, 20, 21, which are located on a predetermined guide track on the workpiece holding device 14 support and roll there is a good guide for a very good folding result possible.
  • the Support roller 21 is connected directly to the folding roller 7.

Landscapes

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

Claims (8)

  1. Dispositif de bordage d'un bord à replier (16) d'une pièce à usiner (15) par pliage au rouleau,
    comprenant une unité d'outillage (1) qui est mobile de manière commandée par un mécanisme d'entraínement, de préférence par un robot à bras articulé,
    un dispositif de retenue (14) pour retenir la pièce à usiner (15) et pour soutenir la zone du bord à replier (16),
    un rouleau de pliage (5, 6, 7) monté entraínable en rotation sur l'unité d'outillage mobile de manière commandée, qui peut tourner le long de, et en appui, sur le bord à replier sous l'application d'une pression et selon un angle déterminé pour le border, et
    l'unité d'outillage (1) étant disposée sur un mécanisme d'entraínement de manière à pourvoir pivoter autour d'un axe de pivotement (4) et pouvant pivoter selon un angle de pivotement déterminé dans au moins deux positions de travail,
    caractérisé en ce que,
       les au moins deux positions de travail sont chacune associées à un rouleau de pliage (5, 6, 7) monté manière à pourvoir tourner sur l'unité d'outillage (1),
       les au moins deux rouleaux de pliage (5, 6, 7) associés aux au moins deux positions de travail présentent des surfaces circonférentielles (11, 12, 13) de rouleaux de pliage conçues de manière différente et ayant une efficacité différente pour le bordage du bord à plier, de sorte que, pour un bordage comportant au moins deux étapes, l'unité d'outillage (1) peut être amenée le long du bord à plier (16) dans la première position de travail avec le premier rouleau de pliage (5) dans sa position de fonctionnement puis l'unité d'outillage (1) peut être amenée dans la deuxième position de travail avec le deuxième rouleau de pliage (6) dans sa position de fonctionnement.
  2. Dispositif selon la revendication 1, caractérisé en ce que
       les axes de rotation (8, 9, 10) des rouleaux des au moins deux rouleaux de pliage (5, 6, 7) sont disposés radialement à l'axe de pivotement (4) dans un plan perpendiculaire à l'axe de pivotement (4) et forment l'angle de pivotement, et
       les surfaces circonférentielles (11, 12, 13) des rouleaux de pliage des au moins deux rouleaux de pliage (5, 6, 7) efficaces pour le bordage du bord à plier (16) sont disposées à peu près à distance égale de l'axe de pivotement (4).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les différentes surfaces circonférentielles des rouleaux de pliage sont conçues sous forme de surfaces coniques (11, 12) ayant différents angles de cône et/ou sous forme de surfaces cylindriques (13) pour former différents angles d'attaque par rapport au bord à plier (16).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que
    trois rouleaux de pliage (5, 6, 7) sont prévus chacun à une distance d'angle de pivotement de 120°,
    comprenant un premier rouleau de pliage (5) qui présente une surface conique (11) pour border le bord à plier (16) dans une première étape de pliage, à savoir un premier prépliage, à environ 30°,
    comprenant un deuxième rouleau de pliage (6) qui présente une surface conique (12) pour border le bord à plier (16) dans une deuxième étape de pliage, à savoir un deuxième prépliage, à environ 60°, et
    comprenant un troisième rouleau de pliage (7) sous forme de rouleau cylindrique pour border entièrement le bord à plier (16) dans une troisième étape de pliage, à savoir un pliage final, à environ 90°.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que des rouleaux d'appui (19, 20, 21), qui prennent appui sur une glissière de guidage prévue sur le dispositif de retenue (14) de la pièce à usiner et y effectuent un mouvement de rotation, sont disposés coaxialement aux rouleaux de pliage (5, 6, 7).
  6. Dispositif selon la revendication 5, caractérisé en ce que les rouleaux d'appui (19, 20, 21) sont reliés de manière solidaire en rotation, de préférence intégrés aux rouleaux de pliage (5, 6, 7), et sont disposés du côté de l'axe de pivotement (4).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que l'unité d'outillage (1) peut être bridée par une extrémité à un bras articulé d'un robot.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que
    une première pièce à usiner sous forme d'élément de tôle externe (17) comprenant un bord à plier (16) pliée à environ 90° peut être disposée dans le dispositif de retenue (14),
    un autre élément de tôle interne (18) ayant un bord plan peut être disposé sur le bord à plier (16), et le bord à plier (16) peut être bordé pas à pas à l'aide des au moins deux rouleaux de pliage (5, 6, 7) pour réaliser un assemblage des deux éléments de tôle (17, 18).
EP01111490A 2000-06-09 2001-05-11 Appareil pour plier le bord d'une pièce par repliage à rouleaux Expired - Lifetime EP1162011B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10028706A DE10028706A1 (de) 2000-06-09 2000-06-09 Vorrichtung zum Umlegen einer Bördelkante eines Werkstücks durch Rollfalzen
DE10028706 2000-06-09

Publications (3)

Publication Number Publication Date
EP1162011A2 EP1162011A2 (fr) 2001-12-12
EP1162011A3 EP1162011A3 (fr) 2003-07-16
EP1162011B1 true EP1162011B1 (fr) 2005-08-24

Family

ID=7645312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01111490A Expired - Lifetime EP1162011B1 (fr) 2000-06-09 2001-05-11 Appareil pour plier le bord d'une pièce par repliage à rouleaux

Country Status (3)

Country Link
EP (1) EP1162011B1 (fr)
DE (2) DE10028706A1 (fr)
ES (1) ES2245658T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1689562A4 (fr) * 2003-11-21 2011-01-05 Jonathon R Campian Rouleau et proc d de superposition par pression utilis s pour former et relier des mat riaux en feuille
DE102004032392B4 (de) * 2004-07-02 2007-12-27 Dennis Derfling Verfahren und Vorrichtung zum Umlegen von Bördelkanten eines Werkstücks
DE102004054680B3 (de) * 2004-11-12 2006-06-14 Audi Ag Rollbiegevorrichtung
DE102005004474B3 (de) * 2005-01-31 2006-08-31 Edag Engineering + Design Ag Bördelvorrichtung und Bördelverfahren zum Umlegen eines Bördelstegs eines Bauteils um eine Bördelkante
DE102005004602A1 (de) * 2005-02-01 2006-08-10 Bayerische Motoren Werke Ag Rollbördelvorrichtung und Verfahren zum Rollbördeln
DE102006010469A1 (de) * 2006-03-07 2007-09-13 GM Global Technology Operations, Inc., Detroit Bördeleinrichtung sowie Verfahren zum Rollbördeln von Werkstücken
DE102006036009A1 (de) 2006-08-02 2008-02-07 Schaeffler Kg Verfahren zum Verbinden von Schalenteilen
JP4996907B2 (ja) * 2006-10-20 2012-08-08 本田技研工業株式会社 ローラヘミング加工方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989308A (en) * 1988-06-20 1991-02-05 Butler Manufacturing Company Bidirectional roof seaming machine
US5267387A (en) * 1991-08-01 1993-12-07 Triengineering Co., Ltd. Method for hemming a workpiece having an upturned edge
EP0577876B1 (fr) * 1992-07-09 1996-09-04 TRIENGINEERING Co., Ltd. Appareil à rouleau pour joindre une pièce
DE4235629C2 (de) * 1992-10-22 1996-01-25 Peter Knoll Vorrichtung zum Profilieren und bzw. oder ggf. Schneiden von Blechen
JPH07290158A (ja) * 1994-04-27 1995-11-07 Toyota Motor Corp ローラーヘミング装置
JPH08164433A (ja) * 1994-12-14 1996-06-25 Toyota Motor Corp ヘミング加工装置
DE29606725U1 (de) * 1996-04-16 1996-08-14 Trumpf Gmbh & Co, 71254 Ditzingen Maschine zum Umbiegen eines Blechrandes

Also Published As

Publication number Publication date
ES2245658T3 (es) 2006-01-16
EP1162011A2 (fr) 2001-12-12
DE10028706A1 (de) 2001-12-13
EP1162011A3 (fr) 2003-07-16
DE50107170D1 (de) 2005-09-29

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