EP1162011A2 - Vorrichtung zum Umlegen einer Bördelkante eines Werkstücks durch Rollfalzen - Google Patents
Vorrichtung zum Umlegen einer Bördelkante eines Werkstücks durch Rollfalzen Download PDFInfo
- Publication number
- EP1162011A2 EP1162011A2 EP01111490A EP01111490A EP1162011A2 EP 1162011 A2 EP1162011 A2 EP 1162011A2 EP 01111490 A EP01111490 A EP 01111490A EP 01111490 A EP01111490 A EP 01111490A EP 1162011 A2 EP1162011 A2 EP 1162011A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- folding
- roller
- flanged edge
- tool unit
- rollers
- 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
Links
Images
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 folding a flanged edge Workpiece by roller folds according to the preamble of claim 1.
- a known device for folding a flanged edge by roller folds (EP 0 577 876 B1) comprises a tool unit which is operated by means of an articulated arm robot is controlled movable. A is rotatable on the tool unit Folded roller stored under pressure and with a certain angular position can be rolled along and in contact with the flanged edge for its folding.
- the workpiece with the one already bent by about 90 ° before the folding process Flanged edge is in a holding device for holding the workpiece and inserted to support the area of the flanged edge.
- a holding device for holding the workpiece and inserted to support the area of the flanged edge.
- the folding process takes place here in two stages, with the cylindrical folding roller underneath Print with an angle of attack such along the flanged edge is that this is folded in about 45 ° in a pre-fold. Subsequently the cylindrical folding roller with its roller axis is used for a second folding stage pivoted in such a way that the flanged edge is completely folded for final folding is turned by 90 °.
- the object of the invention is a generic device for folding a flanged edge of a workpiece by roller folds so that a good folding result can be achieved with less effort.
- the tool unit on the drive is about a pivot axis pivoted and at least by a certain pivot angle two working positions swiveling.
- the at least two working positions is a folding roller rotatably mounted on the tool unit assigned, the at least two assigned to the working positions Folding rolls differently designed and with regard to the flanging edge folding have differently effective folding roller peripheral surfaces.
- For an at least two-stage folding of the flanged edge is for a pre-fold the tool edge with the first folding roller in its functional position led along the flanged edge. For the subsequent final fold then pivoted the tool unit into the second working position and with the second folding roller in its functional position along the flanged edge guided.
- the folding rollers used have different ones for the respective process effective folding roller peripheral surfaces, with which in particular pre-folds and the final folding can be done.
- the necessary different angles of attack of the folding roller peripheral surfaces with respect to the According to the invention the crimped edges are thus formed by the differently designed ones Folding rolls are provided that are only in their just required Functional position must be pivoted. So that by means of a Robot articulated arm the tool unit in all folding stages over the same Movement path are performed, in contrast to the prior art, where complicated changes in the path of movement of the robot articulated arm in the individual folding levels due to the tilting of the folding roller are.
- a particularly simple geometric arrangement results according to the claim 2, by the roller axes of rotation of the at least two folding rollers radially aligned to the swivel axis in a plane perpendicular to the swivel axis lie and include the swivel angle.
- the swivel axis is for a folding process expedient approximately parallel to the folded edge and approximately perpendicular to the workpiece surface adjacent to the flanged edge set.
- the different working positions can be approached by Swiveling the tool unit back and forth about the swivel axis.
- the working positions can, however, also be continued by turning in one Direction are approached, with the pivot axis as the axis of rotation is trained.
- To the different folding rollers by simple swivel movements to bring them into their functional position, it is necessary the folding roller circumferential surfaces effective for folding the flanged edge approximately to be arranged at the same distance from the swivel axis.
- the folding roller peripheral surfaces of the individual folding rollers each in accordance with the existing requirements and conditions with regard to a pre-fold and final fold for certain desired fold configurations 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 final fold as cylindrical surfaces, which means that each of the individual Folding rollers have different angles of attack with respect to the flanged edge for an assigned gradual roll fold can be reached.
- three folding rollers are provided at a swivel angle distance of 120 ° each.
- a first folding roller is a tapered roller with a tapered surface for one The flanged edge is folded over in a first pre-folding stage by approximately 30 °.
- a second folding roller is accordingly a tapered roller for a second pre-folding stage designed with a fold of the flanged edge by about 60 °.
- the third folding roller is designed as a cylindrical roller.
- the support rollers are in a simple embodiment according to claim 6 non-rotatably, preferably integrally and uniformly connected to the folding rollers and arranged pointing to the pivot axis, so that they on a Roll the guideway next to the flanged edge.
- the tool unit can be constructed as an independent component according to claim 7 and flange-mounted on the end of a robot joint arm. By different The same tool unit can possibly have different flanges Robot articulated arms can be combined.
- the device according to the invention can be used both for simple flanging formation as well as according to claim 8 for a joint connection of two Sheet metal parts are used.
- FIG. 1 schematically shows a tool unit 1 of a device 2 for Folding a flanged edge of a workpiece in perspective using roller folds shown.
- This tool unit 1 is by means of a drive, for. B. means of an articulated arm robot can be moved in a controlled manner. The tool unit can do this 1 flanged to a robot joint arm via flange 3, which is not shown here for reasons of clarity.
- the tool unit is mounted on the drive about a pivot axis 4 and can pivot about this Swivel axis 4 in certain swivel angle ranges in the corresponding Working positions are pivoted, which is explained in detail below is discussed.
- FIG. 2 which is a schematic Top view of the tool unit 1 of FIG. 1 shows are on the tool unit 1, for example, three rotatably mounted folding rollers 5, 6 and 7 are attached, which, as can be seen in particular from FIGS. 3 and 4, under Applying pressure along and in contact with a flanged edge 16 of a workpiece 15 is rollable for the transfer.
- the device has 2 to hold the workpiece 15 and to support the area of the flanged edge 16 also has a holding device 14 that the tool unit 1 is assigned so that the folding rollers 5, 6 and 7 in their working positions the flanged edge 16 can fold, as described in more detail below becomes:
- the roller axes of rotation lie 8, 9 and 10 of the folding rollers 5, 6 and 7 radially to the pivot axis 4 in one vertical plane to the swivel axis 4.
- the three folding rollers 5, 6 and 7 are each arranged at a swivel angle of 120 °, the first Folding roller 5 a conical surface 11 for folding the flanged edge 16 in one has the first folding stage as the first pre-folding by about 30 °.
- the first pre-folding takes place when the first folding roller 5 passes over the tool unit 1 in their corresponding working position in the area of the holding device 14 is pivoted, but this is not shown here.
- the second folding roller 6, which has a conical surface 12 for folding the flanged edge 16 in a second folding step as a second pre-fold has about 60 °, in their corresponding working position on the Holding device 14 are pivoted, which is also not shown here is.
- the third folding roller 7, which acts as a cylindrical roller with a cylindrical surface 13 for a complete folding of the flanged edge 16 in a third folding stage is formed as an end fold by about 90 °, in their in FIGS. 3 and 4 schematically shown working position pivoted.
- this is flanging an outer sheet metal part 17 through the successively in their working positions bringable folding rollers 5, 6 and 7 around an inner sheet metal part 18 for one Joint connection of the two sheet metal parts 17, 18 flanged.
- the folding roller peripheral surfaces effective for folding the flanged edge 16 the three folding rollers 5, 6 and 7 are at approximately the same distance from Swivel axis 4.
- FIGS. 1 to 4 they are coaxial to the Folding rollers 5, 6 and 7 support rollers 19, 20, 21 attached, which are non-rotatable 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.
- Support rollers 19, 20, 21, which are on a predetermined guideway on the workpiece holding device Support 14 and roll there is a good guide for one very good folding result possible.
- 3 and 4 is the Support roller 21 directly connected 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)
Abstract
Description
- Fig. 1
- eine schematische, perspektivische Ansicht einer Werkzeugeinheit einer Vorrichtung zum Umlegen einer Bördelkante eines Werkstücks durch Rollfalzen,
- Fig. 2
- eine schematische Draufsicht auf die Werkzeugeinheit gem. Fig. 1,
- Fig.
- 3 eine schematische Seitenansicht der Werkzeugeinheit gem. Fig. 1, und
- Fig. 4
- eine schematische, vergrößerte Detaildarstellung der Einzelheit A der Fig. 3.
Claims (8)
- Vorrichtung zum Umlegen einer Bördelkante eines Werkstücks durch Rollfalzen,mit einer Werkzeugeinheit, die mittels eines Antriebs, vorzugsweise mittels eines Gelenkarmroboters gesteuert bewegbar ist,mit einer Halteeinrichtung zur Halterung des Werkstücks und zur Unterstützung des Bereichs der Bördelkante, undmit einer an der gesteuert bewegbaren Werkzeugeinheit drehbar gelagerten Falzrolle, die unter Druckaufbringung und bestimmter Winkelstellung entlang und in Anlage an der Bördelkante zu deren Umlegung rollbar ist,dass die Werkzeugeinheit (1) am Antrieb um eine Schwenkachse (4) schwenkbar gelagert ist und um einen bestimmten Schwenkwinkel in wenigstens zwei Arbeitspositionen schwenkbar ist,dass den wenigstens zwei Arbeitspositionen jeweils eine an der Werkzeugeinheit (1) drehbar gelagerte Falzrolle (5, 6, 7)zugeordnet ist,dass die wenigstens zwei, den wenigstens zwei Arbeitspositionen zugeordneten Falzrollen (5, 6, 7) unterschiedlich ausgebildete und bezüglich der Bördelkantenumlegung unterschiedlich wirksame Falzrollenumfangsflächen (11, 12, 13) aufweisen, wobei für eine wenigstens zweistufige Umlegung die Werkzeugeinheit (1) in der ersten Arbeitsposition mit der ersten Falzrolle (5) in deren Funktionsstellung und anschließend die Werkzeugeinheit (1) in der zweiten Arbeitsposition mit der zweiten Falzrolle (6) in deren Funktionsstellung entlang der Bördelkante (16) bewegbar ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet,dass die Rollendrehachsen (8, 9, 10) der wenigstens zwei Falzrollen (5, 6, 7) radial zur Schwenkachse (4) in einer senkrechten Ebene zur Schwenkachse (4) liegen und den Schwenkwinkel einschließen, unddass die zur Umlegung der Bördelkante (16) wirksamen Falzrollenumfangsflächen (11, 12, 13) der wenigstens zwei Falzrollen (5, 6, 7) etwa im gleichen Abstand zur Schwenkachse (4) liegen.
- Vorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die unterschiedlichen Falzrollenumfangsflächen als Kegelflächen (11, 12) mit unterschiedlichen Kegelwinkeln und/oder als Zylinderflächen (13) für unterschiedliche Anstellwinkel bezüglich der Bördelkante (16) ausgebildet sind.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet,dass drei Falzrollen (5, 6, 7) in einem Schwenkwinkelabstand von jeweils 120° vorgesehen sind,mit einer ersten Falzrolle (5), die eine Kegelfläche (11) für eine Umlegung der Bördelkante (16) in einer ersten Falzstufe als erster Vorfalzung um etwa 30° aufweist,mit einer zweiten Falzrolle (6), die eine Kegelfläche (12) für eine Umlegung der Bördelkante (16) in einer zweiten Falzstufe als zweiter Vorfalzung um etwa 60° aufweist, undmit einer dritten Falzrolle (7) als Zylinderrolle für eine vollständige Umlegung der Bördelkante (16) in einer dritten Falzstufe als Endfalzung um etwa 90°.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass koaxial zu den Falzrollen (5, 6, 7) Stützrollen (19, 20, 21) angebracht sind, die sich auf einer vorgegebenen Führungsbahn an der Werkstück-Halteeinrichtung (14) abstützen und dort abrollen.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Stützrollen (19, 20, 21) drehfest, vorzugsweise integral mit den Falzrollen (5, 6, 7) verbunden sind und zur Schwenkachse (4) hinweisend angeordnet sind.
- Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Werkzeugeinheit (1) endseitig an einem Robotergelenkarm anflanschbar ist.
- Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet,dass in der Halteeinrichtung (14) ein erstes Werkstück als äußeres Blechteil (17) mit einer etwa um 90° abgekanteten Bördelkante (16) einlegbar ist,dass weiter ein inneres Blechteil (18) mit einer flachen Randkante an der Bördelkante (16) anlegbar ist, unddass für eine Fügeverbindung der beiden Blechteile (17, 18) die Bördelkante (16) stufenweise mittels der wenigstens zwei Falzrollen (5, 6, 7) umlegbar ist.
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 true EP1162011A2 (de) | 2001-12-12 |
EP1162011A3 EP1162011A3 (de) | 2003-07-16 |
EP1162011B1 EP1162011B1 (de) | 2005-08-24 |
Family
ID=7645312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01111490A Expired - Lifetime EP1162011B1 (de) | 2000-06-09 | 2001-05-11 | Vorrichtung zum Umlegen einer Bördelkante eines Werkstücks durch Rollfalzen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1162011B1 (de) |
DE (2) | DE10028706A1 (de) |
ES (1) | ES2245658T3 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1685915A1 (de) * | 2005-01-31 | 2006-08-02 | EDAG Engineering + Design Aktiengesellschaft | Verfahren zum Bördeln mit vor-und nachlaufender Bördelform |
EP1689562A2 (de) * | 2003-11-21 | 2006-08-16 | Campian, Jonathon R. | Walzwerkzeug und positionsdruckverfahren zur verwendung beim formen und verbinden von flächigem material |
WO2007101667A1 (de) * | 2006-03-07 | 2007-09-13 | Gm Global Technology Operations, Inc. | Bördeleinrichtung sowie verfahren zum rollbördeln von werkstücken |
DE102004032392B4 (de) * | 2004-07-02 | 2007-12-27 | Dennis Derfling | Verfahren und Vorrichtung zum Umlegen von Bördelkanten eines Werkstücks |
GB2443076A (en) * | 2006-10-20 | 2008-04-23 | Honda Motor Co Ltd | Roller hemming method and hemmed member |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004054680B3 (de) * | 2004-11-12 | 2006-06-14 | Audi Ag | Rollbiegevorrichtung |
DE102005004602A1 (de) * | 2005-02-01 | 2006-08-10 | Bayerische Motoren Werke Ag | Rollbördelvorrichtung und Verfahren zum Rollbördeln |
DE102006036009A1 (de) | 2006-08-02 | 2008-02-07 | Schaeffler Kg | Verfahren zum Verbinden von Schalenteilen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5267387A (en) * | 1991-08-01 | 1993-12-07 | Triengineering Co., Ltd. | Method for hemming a workpiece having an upturned edge |
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 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4989308A (en) * | 1988-06-20 | 1991-02-05 | Butler Manufacturing Company | Bidirectional roof seaming machine |
SG44936A1 (en) * | 1992-07-09 | 1997-12-19 | Triengineering Co Ltd | Roller type hemming apparatus |
DE4235629C2 (de) * | 1992-10-22 | 1996-01-25 | Peter Knoll | Vorrichtung zum Profilieren und bzw. oder ggf. Schneiden von Blechen |
DE29606725U1 (de) * | 1996-04-16 | 1996-08-14 | Trumpf Gmbh & Co | Maschine zum Umbiegen eines Blechrandes |
-
2000
- 2000-06-09 DE DE10028706A patent/DE10028706A1/de not_active Withdrawn
-
2001
- 2001-05-11 EP EP01111490A patent/EP1162011B1/de not_active Expired - Lifetime
- 2001-05-11 DE DE50107170T patent/DE50107170D1/de not_active Expired - Lifetime
- 2001-05-11 ES ES01111490T patent/ES2245658T3/es not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5267387A (en) * | 1991-08-01 | 1993-12-07 | Triengineering Co., Ltd. | Method for hemming a workpiece having an upturned edge |
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 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03, 29. März 1996 (1996-03-29) & JP 07 290158 A (TOYOTA MOTOR CORP), 7. November 1995 (1995-11-07) * |
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 10, 31. Oktober 1996 (1996-10-31) & JP 08 164433 A (TOYOTA MOTOR CORP), 25. Juni 1996 (1996-06-25) * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1689562A2 (de) * | 2003-11-21 | 2006-08-16 | Campian, Jonathon R. | Walzwerkzeug und positionsdruckverfahren zur verwendung beim formen und verbinden von flächigem material |
EP1689562A4 (de) * | 2003-11-21 | 2011-01-05 | Jonathon R Campian | Walzwerkzeug und positionsdruckverfahren zur verwendung beim formen und verbinden von flächigem material |
DE102004032392B4 (de) * | 2004-07-02 | 2007-12-27 | Dennis Derfling | Verfahren und Vorrichtung zum Umlegen von Bördelkanten eines Werkstücks |
EP1685915A1 (de) * | 2005-01-31 | 2006-08-02 | EDAG Engineering + Design Aktiengesellschaft | Verfahren zum Bördeln mit vor-und nachlaufender Bördelform |
US7637134B2 (en) | 2005-01-31 | 2009-12-29 | Edag Gmbh & Co. Kgaa | Flanging with a leading and following flanging die |
WO2007101667A1 (de) * | 2006-03-07 | 2007-09-13 | Gm Global Technology Operations, Inc. | Bördeleinrichtung sowie verfahren zum rollbördeln von werkstücken |
GB2443076A (en) * | 2006-10-20 | 2008-04-23 | Honda Motor Co Ltd | Roller hemming method and hemmed member |
GB2443076B (en) * | 2006-10-20 | 2011-03-09 | Honda Motor Co Ltd | Roller hemming method and hemmed member |
US7934408B2 (en) | 2006-10-20 | 2011-05-03 | Honda Motor Co., Ltd. | Roller hemming method and hemmed member |
Also Published As
Publication number | Publication date |
---|---|
ES2245658T3 (es) | 2006-01-16 |
EP1162011B1 (de) | 2005-08-24 |
EP1162011A3 (de) | 2003-07-16 |
DE10028706A1 (de) | 2001-12-13 |
DE50107170D1 (de) | 2005-09-29 |
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