WO2014198377A1 - Dispositif et procédé de pliage d'une pièce - Google Patents

Dispositif et procédé de pliage d'une pièce Download PDF

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Publication number
WO2014198377A1
WO2014198377A1 PCT/EP2014/001366 EP2014001366W WO2014198377A1 WO 2014198377 A1 WO2014198377 A1 WO 2014198377A1 EP 2014001366 W EP2014001366 W EP 2014001366W WO 2014198377 A1 WO2014198377 A1 WO 2014198377A1
Authority
WO
WIPO (PCT)
Prior art keywords
folding
drive
jaw carrier
movement
base part
Prior art date
Application number
PCT/EP2014/001366
Other languages
German (de)
English (en)
Inventor
Stephan STRASS
Original Assignee
Thyssenkrupp System Engineering Gmbh
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 Thyssenkrupp System Engineering Gmbh filed Critical Thyssenkrupp System Engineering Gmbh
Publication of WO2014198377A1 publication Critical patent/WO2014198377A1/fr

Links

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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/04—Movable or exchangeable mountings for tools
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • 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
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means

Definitions

  • the present invention is based on a folding device for folding a workpiece, wherein the folding device comprises a folding jaw carrier and a base part, wherein the folding jaw carrier is linearly movable relative to the base part.
  • Such folding devices are well known and are commonly used for folding a workpiece, such as a sheet metal workpiece.
  • the fold is generated in an edge region of the workpiece, for example, to produce a positive connection between two part workpieces of the workpiece.
  • the part workpieces are, for example, an outer door panel and a door inner panel which are connected to produce a vehicle door by a fold.
  • folding devices are also used for folding workpieces or part workpieces, which consist of a deformable material other than sheet metal, for example made of plastic.
  • a folding device known from the prior art has a folding jaw carrier with two folding jaws for producing a fold, which are provided, for example, for producing a positive connection between the two partial workpieces.
  • a preformed first partial workpiece of the two partial workpieces has an edge region designed as a standing seam.
  • the preformed first part workpiece is positioned in a working plane of the folding device.
  • a second part of the workpiece is then placed, wherein an edge of the second part of the workpiece is arranged adjacent to a réellefalzkante of the standing seam of the first part of the workpiece.
  • the working plane has two separate partial work areas, which are spatially spaced apart, for example in the lateral direction, and in which the two folding jaws are accommodated in a separate partial folding device.
  • a first folding jaw of the two folding jaws of the folding jaw carrier for folding the workpiece in contact with the workpiece is movable.
  • a second folding jaw of the folding jaw carrier for folding the workpiece by means of the second folding jaw in contact with the workpiece is movable.
  • the standing seam becomes next formed into a pre-bent edge, which is also referred to as pre-crimping.
  • the workpiece in particular both partial workpieces, is transferred from the first partial work area to the second partial work area in order to produce the bent fold from the pre-bent edge by means of the second folding jaw.
  • the pre-bent fold is thereby bent by the second folding jaw so, and in particular pressed that the positive connection between the two part workpieces is generated. This is also called beading.
  • a further disadvantage of seaming devices known from the state of the art is folding a workpiece which is difficult to machine because of its shape with sufficient precision, for example to produce a fold in a corner region and / or the inner region of the workpiece, from which a section has been cut out.
  • the requirements, for example, to the manufacturing tolerances of a workpiece to be produced from the workpiece must be complied with.
  • a folding device for folding a workpiece wherein the folding device has a folding jaw carrier and a base part, wherein the folding jaw carrier is linearly movable relative to the base part, wherein attached to the Falzbackenriad a drive for effecting a linear movement of the Falzbacken obviouslys relative to the base part or wherein on the base part of a drive with a linear motion for angularly oriented drive direction for effecting a linear movement of the Falzbackenismes is fixed relative to the base part.
  • a particularly space-saving design of the Falzbackenismes is provided by the attachment of the drive on the folding jaw carrier, in particular the folding of workpieces is simplified, which are difficult to work due to their shape.
  • this advantageously makes it possible to fold a corner region and / or the inner region of a workpiece with comparatively high precision, wherein the inner region is, for example, a cut-out of the workpiece produced by means of separation.
  • the space-saving design of the Falzbackenismes due to the attachment of the drive on the Falzbackenlaub further allows a more precise machining of the workpiece and thus a reduction of manufacturing tolerances compared to the prior art.
  • the duration of the production cycles is comparatively low.
  • the rejects continue to be reduced due to the improved processing, thus avoiding unnecessary material consumption and reducing production costs.
  • two folding jaws on the folding jaw carrier in particular in parallel to the gravitational acceleration, vertical direction are arranged one above the other.
  • the workpiece is preferably raised or lowered in the vertical direction such that the edge region of the workpiece to be folded can be processed with the folding jaw provided for the respective working step.
  • the drive is fastened to the base element, wherein the drive direction of this drive is aligned at an angle, that is to say in particular not parallel to the linear movement.
  • the drive preferably comprises a linear drive. Due to the angled arrangement advantageously as little space is required along the linear direction.
  • the folding jaw carrier has a gear rod and a transmission means coupled to the gear rod, wherein the transmission means is provided for transmitting a drive movement of the gear rod in a rotational movement of Ü Ü transmission ertragm Ittels, wherein the transmission means for transmitting the Rotary movement is provided in the linear movement of the folding jaw carrier relative to the base part.
  • a selection of a drive adapted to the requirements of the workpiece to be folded is provided, for example a linear drive.
  • a rotary drive is provided, which is provided, for example, for effecting a further rotational movement of a transmission shaft designed as a rotating shaft, wherein the rotating shaft is coupled to effect the rotational movement of the transmission means with the transmission means.
  • the movement direction of the folding jaw carrier is understood in particular to mean a movement of the folding jaw carrier within a working plane between a working position and a change position.
  • the working plane is arranged in particular parallel to the earth's surface and / or parallel to a main extension plane of the workpiece.
  • at least one folding jaw of the folding jaw carrier is movable for folding the workpiece against the workpiece by means of the linear movement of the folding jaw carrier.
  • the change position the folding jaw carrier is spaced from the workpiece in such a way that the respective other folding jaw is brought into contact with the workpiece by means of a relative movement, in particular a lifting movement and / or lowering movement, of the folding device and / or of the workpiece.
  • the linear movement of the Falzbackenapps in the working position for folding the workpiece and back from the relative movement of the workpiece and / or the Falzbackenizis for example, perpendicular to the direction of movement or perpendicular to the working plane to distinguish.
  • a folding jaw of the two folding jaws for folding the workpiece is selected by the relative movement.
  • the transmission means in the drive direction below the defined by the direction of movement, in particular lying parallel to the horizontal plane, working plane is arranged in a cavity of the base part.
  • the gear rod is aligned linearly movable along a drive direction, wherein the drive is coupled to the gear rod for generating a linear drive movement of the gear rod along the drive direction, wherein the drive direction, in particular right angle with a movement direction of the linear movement of the folding jaw carrier includes.
  • the decoupling of Driving direction and direction of movement provided a particularly narrow folding jaw carrier, which in particular in a working plane parallel to the movement direction has a smaller extent than perpendicular to the working plane.
  • the angle is more than zero degrees and less than 180 degrees, preferably between 45 degrees and 135 degrees, more preferably between 60 degrees and 120 degrees, most preferably 90 degrees.
  • the transmission means and the further transmission rod comprehensive transmission is possible, which in particular suitable for transmitting high folding forces from the drive on the Falzbackenovic on the workpiece is.
  • the base part has a further gear rod, wherein the transmission means is positively, non-positively, hydraulically, pneumatically or electrically coupled to the transmission rod of the Falzbackenizis for effecting the linear movement of the Falzbackenizis relative to the base part.
  • a cost-effective folding device is provided by a selection of the requirements of the material to be processed sufficient transmission means, at the same time comparatively small manufacturing tolerances can be realized. For example, it is conceivable that when folding a plastic workpiece due to the lower deformation forces required a more cost-effective transmission is used, as it is the case when folding sheet materials.
  • the gear rod of the folding jaw carrier is formed as a first rack with a first main extension direction parallel to the drive direction of the gear rod, the further gear rod of the base part acting as a second rack with one to the direction of movement is formed of the folding jaw carrier parallel extending second main extension direction, wherein the transmission means is formed as a gear, wherein the gear with the first rack and the second rack is positively coupled.
  • the gear with the first rack and the second rack is positively coupled.
  • the base part has a guide means for guiding the folding jaw carrier, wherein in particular the folding jaw carrier and the guide means for sliding or rolling of the folding jaw carrier are formed on the guide means.
  • this further allows a high transfer of force from the drive via the folding jaw carrier on the workpiece.
  • the guide means are arranged in particular parallel to the direction of movement laterally of the folding jaw carrier such that a lateral breaking of the folding jaw carrier from the direction of movement is prevented.
  • this ensures a comparatively high stability of the folding device.
  • the drive is a coupled with the gear rod of the Falzbackenismes linear drive, wherein the linear drive is provided for effecting the further linear movement of the gear rod in the drive direction.
  • the use of a linear drive enables a high power transmission via the gear rod to the folding jaw carrier.
  • the linear drive is attached to the Falzbok ckenmoi such that the drive direction is arranged perpendicular to the direction of movement of the Falzbackenpossessess.
  • the drive is a pneumatic, hydraulic or electromagnetic linear drive.
  • the drive is a pneumatic, hydraulic or electromagnetic linear drive.
  • the folding jaw carrier has a greater extent in the drive direction than perpendicular to the drive direction.
  • this achieves an improvement in the folding of a corner region and / or the interior of the workpiece.
  • a simplified processing at the same time comparatively low manufacturing tolerances is possible.
  • the transmission means for example, the gear, in the drive direction below the defined by the direction of movement, in particular lying parallel to the horizontal plane, working plane arranged in a cavity of the base part.
  • Another object of the present invention is a method for folding a workpiece by means of a folding device, wherein the folding device comprises a folding jaw carrier and a base part, wherein the folding jaw carrier relative to the base member is linearly movable, wherein in a first step, the workpiece for folding the workpiece in the folding device is positioned, wherein in a second method step, the folding jaw carrier is moved linearly relative to the base part within a working plane, wherein in the second step, a drive movement of a drive in an angle to the working plane and in particular vertical drive direction for effecting a linear movement of the Falzbackenarris relative to the base part is generated.
  • the working plane is in particular a horizontal plane arranged parallel to the earth's surface, wherein the folding jaw carrier is moved linearly parallel to the working plane.
  • the folding jaw carrier has a gear rod and a transmission means coupled to the gear rod, wherein in the second step, the gear rod is driven to a further linear movement in the drive direction, wherein by means of the gear rod rotational movement of the transmission medium is generated , wherein by means of the rotational movement of the transmission means, the linear movement of the Falzbackenträ- gers is generated relative to the base part.
  • the generation of a rotational movement by means of the gear rod allows a high power transmission, in particular by means of a positive connection between the gear rod on the transmission medium, from the jaw carrier to the workpiece.
  • the drive movement of the drive is controlled in dependence on a measured position of a folding jaw of the folding jaw carrier relative to the workpiece and / or as a function of measured force acting between the folding jaw of the folding jaw carrier and the workpiece.
  • the rejection is reduced by avoiding excessive force transmission from the folding jaw carrier to the workpiece and thus damaging the workpiece.
  • Figure 1 shows a schematic perspective view of the front of the folding device according to an exemplary embodiment of the present invention.
  • FIG. 2 shows a schematic perspective view of the rear side of the folding device according to the exemplary embodiment of the present invention.
  • FIG. 3 shows a schematic perspective view of the drive system of FIG.
  • Figure 4 shows a schematic plan view of the underside of the base part of
  • FIG. 1 shows a schematic perspective view of the front side of the folding device 1 according to an exemplary embodiment of the present invention.
  • the folding device has a folding jaw carrier 10 and a base part 20, wherein on the folding jaw carrier 10 two folding jaws 16, 16 ', in particular an upper folding jaw 16 and a lower folding jaw 16', are attached.
  • the upper folding jaw 16 in particular has a bevel, wherein the bevel is provided, for example, for pre-bending, in particular a standing seam, of a preformed first partial workpiece of the workpiece (not shown) to a pre-bent edge.
  • the lower folding jaw 16 ' is in particular designed in such a way that the pre-bent fold is finally bent or crimped by means of a pressing movement in order, for example, to achieve a positive connection with a second partial workpiece (not shown) adjacent to the folding edge.
  • the workpiece for positioning relative to either the upper folding jaw 16 or the lower folding jaw 16 'of the folding device 10 is perpendicular to a parallel to the earth's surface horizontal plane 100, also referred to as working plane 100, movable.
  • working plane 100 also referred to as working plane 100
  • the folding device 1 has a guide means 22 arranged on the base part, wherein the folding jaw carrier 10 is arranged linearly movable in a direction of movement 101 along the work plane 100 arranged parallel to the horizontal plane 100 along the path predetermined by the guide means 22. Furthermore, a drive 11 is particularly preferably attached to the folding jaw carrier 10, which is provided for effecting a linear movement of the folding jaw carrier 10 along the direction of movement 101. Furthermore, the drive 11 is particularly preferably designed as a, in particular hydraulic or pneumatic, linear drive 11, wherein the linear drive 11 causes a drive movement of a gear rod 12 connected to the linear drive 11 (see for example FIG.
  • the folding jaw carrier 10 is provided with a smaller extension parallel to the working plane 100, than perpendicular to the working plane 100.
  • the smaller extension parallel to the working plane 100 advantageously makes it possible to fold difficult-to-machine regions, in particular a corner region or the inner region, of a workpiece comparatively precisely and with lower manufacturing tolerances compared with the prior art.
  • the smaller extent of the folding jaw carrier 10 parallel to the working plane 100 allows better access to a corner region of the workpiece.
  • the housing 14 of the Falzbackenabos is formed such that the extension decreases in the direction of movement 101 parallel to the drive direction 102 in the direction of the base member 20 facing away from the Falzbacken obviouslys 10.
  • FIG. 2 shows a schematic perspective view of the rear side of the folding device 1 according to the exemplary embodiment of the present invention.
  • the drive 11 is fastened in particular within the housing 14, so that the extent of the folding jaws 16, 16 'side facing away from the Falzbackenarris 10 is formed comparatively small.
  • the folding jaw carrier is arranged on a gear housing 15.
  • the drive 1 1 is designed as a linear drive 11, wherein the linear drive the gear rod 12 in a drive movement parallel to the drive direction 102 (see Figure 1) is added.
  • the gear rod 12 is in particular formed as a first rack 12, which is positively connected to a gear 13, 13 'having transmission means 13, 13'. The drive movement of the first rack 12 thereby causes a rotational movement of the gear 13, 13 '.
  • the transmission means 13, 13 'parallel to the drive direction on an underside of the Falzbackenarris 10, below the guide means 22 of the base member 20 and / or in a cavity of the base member 20 is arranged.
  • the extension of the folding jaw carrier 10 perpendicular to the drive direction 102 relative to the extension of the folding jaw carrier 10 parallel to the drive direction 102 is particularly advantageously reduced.
  • due to the comparatively small extent, in particular of the housing 14, of the folding jaw carrier 10 perpendicular to the drive direction 102 a more precise machining of a corner region of the workpiece is made possible.
  • FIG. 3 shows a schematic perspective view of the drive system of the folding device 1 according to the exemplary embodiment of the present invention.
  • FIG. 4 shows a schematic plan view of the underside of the base part 20 of the folding device 1 according to the exemplary embodiment of the present invention.
  • an opening 23 is mounted, which is provided for the passage of the first side 13 of the transmission means 13, 13 'connected gear rod 12 by means of further linear movement.
  • the transfer means 13, 13 ' are arranged parallel to the drive direction on an underside of the folding jaw carrier 10, below the guide means 22 of the base part 20 and / or in a cavity of the base part 20. Furthermore, by this arrangement of the transmission means 13, 13 ', the extension of the folding jaw carrier 10 perpendicular to the drive direction relative to the extension direction parallel to the drive direction 102 is particularly preferably smaller.
  • the exemplary embodiment thus enables a comparatively precise positioning of the folding jaw carrier 10, in particular in a corner region or in the inner region of a workpiece, whereby the folding of the workpiece is improved and simplified.

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

Abstract

L'invention concerne un dispositif (1) servant à plier une pièce. Le dispositif de pliage (1) comporte un support de mâchoires de pliage (10) et une partie de base (20), le support de mâchoires de pliage (10) étant mobile de manière linéaire par rapport à la partie de base (20). Un entraînement (11) est fixé sur le support de mâchoires de pliage (10) pour produire un mouvement linéaire du support de mâchoires de pliage (10) par rapport à la partie de base (20) ou un entraînement ayant une direction d'entraînement orientée selon un angle par rapport au mouvement linéaire est fixé sur la partie de base (20) pour produire un mouvement linéaire du support de mâchoires de pliage (10) par rapport à la partie de base (20).
PCT/EP2014/001366 2013-06-11 2014-05-21 Dispositif et procédé de pliage d'une pièce WO2014198377A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310210835 DE102013210835A1 (de) 2013-06-11 2013-06-11 Falzvorrichtung und Verfahren zum Falzen eines Werkstücks
DE102013210835.4 2013-06-11

Publications (1)

Publication Number Publication Date
WO2014198377A1 true WO2014198377A1 (fr) 2014-12-18

Family

ID=50792410

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/001366 WO2014198377A1 (fr) 2013-06-11 2014-05-21 Dispositif et procédé de pliage d'une pièce

Country Status (2)

Country Link
DE (1) DE102013210835A1 (fr)
WO (1) WO2014198377A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019108225B4 (de) * 2019-03-29 2022-06-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Falzwerkzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59118229A (ja) * 1982-12-24 1984-07-07 Nippon Kokan Kk <Nkk> プレスブレ−キの下金型交換装置
EP0530375A1 (fr) * 1991-03-22 1993-03-10 Amada Company Limited Systeme pour travailler de la matiere en plaque
JP2003211223A (ja) * 2002-01-16 2003-07-29 Amada Co Ltd 曲げ加工装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819278A1 (de) * 1988-06-07 1989-12-14 Schwaebische Huettenwerke Gmbh Linearfuehrung
DE4229601A1 (de) * 1992-09-04 1994-03-10 Lean Technik R Janzen Vorrichtung zur Erzeugung von synchronen Schub-/Drehbewegungen
DE10338537A1 (de) * 2003-08-19 2005-03-24 Cubo Gmbh Vorrichtung zum Vor-und Fertigfalzen
JP4795462B2 (ja) * 2009-11-12 2011-10-19 ファナック株式会社 力センサを搭載したロボットマニピュレータを用いたロールヘム加工装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59118229A (ja) * 1982-12-24 1984-07-07 Nippon Kokan Kk <Nkk> プレスブレ−キの下金型交換装置
EP0530375A1 (fr) * 1991-03-22 1993-03-10 Amada Company Limited Systeme pour travailler de la matiere en plaque
JP2003211223A (ja) * 2002-01-16 2003-07-29 Amada Co Ltd 曲げ加工装置

Also Published As

Publication number Publication date
DE102013210835A1 (de) 2014-12-11

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