CN104275376B - Automobile panel flanging bending method and device - Google Patents
Automobile panel flanging bending method and device Download PDFInfo
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- CN104275376B CN104275376B CN201410482082.8A CN201410482082A CN104275376B CN 104275376 B CN104275376 B CN 104275376B CN 201410482082 A CN201410482082 A CN 201410482082A CN 104275376 B CN104275376 B CN 104275376B
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- 238000005452 bending Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title abstract description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
nullThe invention belongs to automobile panel processing technique field，It is specially bound edge bending method and the device of a kind of automobile panel，In the method, covering bound edge carries out twice or more than twice bending aftershaping from initial bound edge angle，The angle of bending is less than or equal to 60 ° every time，This device includes for holding in the palm the pedestal supportting described covering，There is two or more bend unit the top of pedestal，Each of which bend unit performs the bending action to covering bound edge respectively，And the angle of bending every time is less than or equal to 60 °，Implement to covering bound edge repeatedly、Low-angle bending operation，Pre-bending moment at the root position of covering bound edge and covering intersection can be made to control all the time within the scope of less at one，The moment of flexure moment that this place, boundary is born can avoid covering bound edge and covering intersection the phenomenon of buckling deformation or depression occur，And then can ensure that the flatness of covering bound edge position.
Description
Technical field
The invention belongs to automobile panel processing technique field, the bound edge bending method of a kind of automobile panel and device.
Background technology
nullThe inner and outer plates of automobile panel needs to carry out bound edge bending process，Such as engine compartment cover、The parts such as luggage-boot lid，Tradition crimp when carrying out bound edge operation to the edge of above-mentioned covering，General employing first free pre-bending，Carry out stitching operation again，Specifically，Shown in Fig. 1，The process of tradition wrapping mold angle (generally 40 °～45 °) before initial bound edge angle a (less than 105 °) pre-bending to pressing is free pre-bending，When initial bound edge angle is more than or equal to 105 °，As used traditional wrapping mold，During angle before initial bound edge angle a (105 °～150 °) free pre-bending to pressing，Pre-bending briquetting 1 contacts with the bound edge 3 treating bending of covering 2 and can produce pre-bending moment M at the root position of bound edge 3 and covering 2 intersection，This moment M can cause producing at the peripheral location of covering bound edge 3 buckling deformation or the phenomenon of depression，Have a strong impact on the presentation quality of vehicle body.
Summary of the invention
The primary and foremost purpose of the present invention is: provide the bound edge bending method of a kind of automobile panel, it is ensured that the flatness of covering bound edge position and presentation quality.
For achieving the above object, the technical solution used in the present invention is: a kind of automobile panel flanging bending method, and covering bound edge carries out twice or more than twice bending aftershaping from initial bound edge angle, and the angle of bending is less than or equal to 60 ° every time.
Compared with prior art, the technique effect that the present invention exists is: automobile panel flanging is by repeatedly bending (more than twice), guarantee that the bending angle of covering bound edge is less than or equal to 60 ° every time, it is variable for applying the angle to covering bound edge folding force, thus so that at the root position of covering bound edge and covering intersection pre-bending moment control within the scope of less at one all the time, the moment of flexure moment that this place, boundary is born can avoid covering bound edge and covering intersection the phenomenon of buckling deformation or depression occur, and then can ensure that the flatness of covering bound edge position.
Further object is that: the bending device of a kind of automobile panel flanging is provided,
While the covering bound edge made is bent, it is ensured that the flatness of covering bound edge position and presentation quality.
For achieving the above object, the technical solution used in the present invention is: the bending device of a kind of automobile panel flanging, including for holding in the palm the pedestal supportting described covering, there is two or more bend unit the top of pedestal, each of which bend unit performs the bending action to covering bound edge respectively, and the angle of bending every time is less than or equal to 60 °；
Described bend unit includes first, second and third bend unit, first briquetting of described first bend unit orders about covering bound edge and is bent to 90 ° by initial angle, second briquetting of described second bend unit orders about covering bound edge and is bent to 40 °～45 ° by 90 °, and the 3rd briquetting of described 3rd bend unit orders about covering bound edge and is bent to molding by 40 °～45 °；
First bend unit also includes assisting briquetting, described auxiliary briquetting pressure connection terminal is resisted against the position, interior plate face of neighbouring covering bound edge, the pressure connection terminal of the first briquetting is resisted against the position, outer panel face of covering bound edge and is bent to the interior plate face of bound edge and is fitted on the outer panel face of auxiliary briquetting pressure connection terminal, and the outer panel face of auxiliary briquetting pressure connection terminal is 90 ° of angles with its face, pressure connection terminal place；
Described first, two briquettings are separately positioned on pedestal first, on two pedestals, described first, two pedestals are respectively with first, one end of two drive rods is hinged, first, the other end of two drive rods is respectively with first, two blocks are hinged, first, two briquettings are separately fixed at first, on two blocks and pressure connection terminal point to treat bending covering bound edge position, described first, two blocks are the most respectively with first, one end of two connecting rods is hinged, first, the other end of two connecting rods is respectively with first, two pedestals are hinged, first, two pedestals and first, it is respectively equipped with back-moving spring between two blocks, first, two drive rods be provided above first, two drive blocks, described first, two drive blocks drive first, the shaft of two drive rods rotates around jointed shaft.
Compared with prior art, the technique effect that the present invention exists is: utilize bend unit to implement the repeatedly bending to covering bound edge, guarantee that the bending angle of covering bound edge is less than or equal to 60 ° every time, it is variable for applying the angle to covering bound edge folding force, thus so that at the root position of covering bound edge and covering intersection pre-bending moment control within the scope of less at one all the time, the moment of flexure moment that this place, boundary is born can avoid covering bound edge and covering intersection the phenomenon of buckling deformation or depression occur, and then can ensure that the flatness of covering bound edge position.
Accompanying drawing explanation
Fig. 1 is in prior art, the covering bound edge schematic diagram when carrying out bending operation；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the structural representation of first, second bend unit of bending device in the present invention；
Fig. 4 a-4f is that in the present invention, bending device is implementing 6 view to covering bound edge bending action；
Fig. 5 a-5e is the enlarged drawing of the A-E in Fig. 4 b-4f respectively；
Fig. 6 is the structural representation coordinated assisting briquetting and holding pad in the present invention in bending device.
Detailed description of the invention
In conjunction with accompanying drawing 1 to Fig. 6, the present invention will be further described in detail:
A kind of automobile panel flanging bending method, covering 10 bound edge 11 carries out more than twice bending aftershaping from initial bound edge angle, and the angle of bending is less than or equal to 60 ° every time.
nullDraw through checking，Automobile panel 10 bound edge 11 is by repeatedly bending (more than twice)，It is variable for applying the angle to covering 10 bound edge 11 folding force，Guarantee that the bending angle of covering 10 bound edge 11 is less than or equal to 60 ° every time，When covering 10 bound edge angle is more than 105 °，By applying folding force to the outer plate surface of bound edge 11，And making pre-bending angle be less than or equal to 60 °, to apply that bound edge 11 power obliquely is acted on the plate face of bound edge 11 less with the component of covering 10 intersection，Just so that at covering 10 bound edge 11 and the root position of covering 10 intersection pre-bending moment control all the time within the scope of less at one，The moment of flexure moment that this place, boundary is born can avoid covering 10 bound edge 11 and covering 10 intersection the phenomenon of buckling deformation or depression occur，And then can ensure that the flatness of covering 10 bound edge 11 position.
Detailed description of the invention as the present invention, the initial bound edge angle of described covering 10 bound edge 11 is 105 °-120 °, the number of times of described bending is twice, when the initial angle of covering 10 bound edge 11 is 120 °, apply that the bending number of times of covering 10 bound edge 11 is twice and each bending angle is 60 °.
nullEmbodiment is most preferably implemented as the present invention，It is three times that described covering 10 bound edge 11 bends number of times，It is bent to 90 ° for the first time by initial angle，Second time is bent to 40 °～45 ° by 90 °，Third time is bent to molding by 40 °～45 °，When covering 10 bound edge 11 by initial bound edge angle be the big bound edge angle pre-bending of 105 °～150 ° to 90 ° during，Now applying the folding force of bound edge 11 is oblique top，Bound edge 11 and covering 10 component that place bears that has a common boundary is almost nil，Thus it is almost nil with the pre-bending moment of bound edge 11 intersection to protect covering 10，And then can ensure that the presentation quality protecting covering 10 with bound edge 11 intersection，I.e. it is bent to 40 °～45 ° by 90 ° by secondary pre-bending，It is applied to the oblique lower section of folding force of bound edge 11，By low-angle secondary pre-bending，Thus reduce covering 10 and bound edge 11 and have a common boundary the pre-bending moment that place bears，And then avoid that moment of flexure moment is excessive makes covering 10 and bound edge 11 intersection buckling deformation.
A kind of automobile panel flanging bending device, including for holding in the palm the pedestal 20 supportting described covering 10, the top of pedestal 20 has plural bend unit, each of which bend unit to perform the bending action to covering 10 bound edge 11 respectively, and the angle of bending every time is less than or equal to 60 °.
Bend unit is utilized to implement the repeatedly bending to covering 10 bound edge 11, guarantee that the bending angle of covering 10 bound edge 11 is less than or equal to 60 ° every time, it is variable for applying the angle to covering 10 bound edge 11 folding force, thus so that at covering 10 bound edge 11 and the root position of covering 10 intersection pre-bending moment control within the scope of less at one all the time, the moment of flexure moment that this place, boundary is born can avoid covering 10 bound edge 11 and covering 10 intersection the phenomenon of buckling deformation or depression occur, and then can ensure that the flatness of covering bound edge position.
Detailed description of the invention as the present invention, described bend unit includes first, second and third bend unit, first briquetting 31 of described first bend unit orders about covering 10 bound edge 11 and is bent to 90 ° by initial angle, second briquetting 41 of described second bend unit orders about covering 10 bound edge 11 and is bent to 40 °～45 ° by 90 °, and the 3rd briquetting 51 of described 3rd bend unit orders about covering 10 bound edge 11 and is bent to molding by 40 °～45 °.
nullSpecifically，First bend unit also includes assisting briquetting 32，Described auxiliary briquetting 32 pressure connection terminal is resisted against the position, interior plate face of neighbouring covering 10 bound edge 11，The pressure connection terminal of the first briquetting 31 is resisted against the position, outer panel face of covering 10 bound edge 11 and is bent to the interior plate face of bound edge 11 and is fitted on the outer panel face of auxiliary briquetting 32 pressure connection terminal，The outer panel face of auxiliary briquetting 32 pressure connection terminal is 90 ° of angles with its face, pressure connection terminal place，In conjunction with accompanying drawing 4c and 5c，The pressure connection terminal utilizing auxiliary briquetting 32 is resisted against on the interior plate face of covering 10 bound edge 11，So that being effectively fixed on pedestal 20 of covering 10 bound edge 11，The outer panel face of auxiliary briquetting 32 pressure connection terminal is 90 ° of angles with its face, pressure connection terminal place，Pedestal 20 coordinates with auxiliary briquetting 32，Covering 10 is locked，Covering 10 and bound edge 11 intersection is made to be in restrained condition completely，When the pressure connection terminal of the first briquetting 31 is implemented bound edge 11 bending action，The outer panel face of auxiliary briquetting 32 pressure connection terminal is 90 ° of angles with its face, pressure connection terminal place，When the pressure connection terminal of the first briquetting 31 is implemented to bend bound edge 11，Directly bound edge 11 it is bent to and assists the outer panel face of briquetting 32 pressure connection terminal to fit，First briquetting 31 with auxiliary briquetting 32 with the use of the effect having each served as similar punch and die，And then while bound edge 11 is bent，Also ensure the presentation quality of bound edge 11 and covering 10 intersection.
nullFurther，Described first、Two briquettings 31、41 are separately positioned on first on pedestal 20、Two pedestals 311、On 411，Described first、Two pedestals 311、411 respectively with first、Two drive rods 312、One end of 412 is hinged，First、Two drive rods 312、The other end of 412 is respectively with first、Two blocks 313、413 is hinged，First、Two briquettings 31、41 are separately fixed at first、Two blocks 313、On 413 and pressure connection terminal point to treat bending covering 10 bound edge 11 position，Described first、Two blocks 313、413 the most respectively with first、Two connecting rods 314、One end of 414 is hinged，First、Two connecting rods 314、The other end of 414 is respectively with first、Two pedestals 311、411 is hinged，First、Two pedestals 311、411 and first、Two blocks 313、Back-moving spring 315 it is respectively equipped with between 413、415，First、Two drive rods 312、412 be provided above first、Two drive blocks 33、42，Described first、Two drive blocks 33、42 drive first、Two drive rods 312、The shaft of 412 rotates around jointed shaft，Shown in accompanying drawing 3，First、Two drive rods 312、412 at drive block 33、Under the effect of 42，First、Two drive rods 312、412 jointed shafts around respective two ends rotate，Interlock first、Two blocks 313、The swing of 413，Thus interlock first、Two connecting rods 314、The swing of 414，First、Two blocks 313、The swing of 413 orders about first、Two briquettings 31、The pressure connection terminal of 41 to covering 10 bound edge 11 adjacent to lake or away from，Above-mentioned first、Two pedestals 311、411、First、Two drive rods 312、412、First、Two blocks 313、413、First、Two connecting rods 314、414 each constitute typical quadric chain，The rotation of one of them bar，Interlock the swing of other connecting rods，And then make first、Two briquettings 31、The swinging track of 41 presents arc shaped，It is easier to control in the angle implementing the folding force to covering 10 bound edge 11，Guarantee that the moment of flexure that covering 10 bound edge 11 is born is in less state all the time.
nullFurther，Described first、Two drive blocks 33、42 suspension type layings on the lower face of moved cross beam 60，Drive mechanism drives moved cross beam 60 to move back and forth up and down，First、Two drive blocks 33、The lower end pressure connection terminal of 42 is provided with the inclined-plane 331 arranged horizontal by angle、421，Described inclined-plane 331、421 respectively with first、Two drive rods 312、The roller 31a arranged on 412、The rolling face of 41a coordinates，3rd briquetting 51 of described 3rd bend unit is laid in the lower face suspension type of moved cross beam 60，Wherein，For convenience of controlling first、Second、3rd bend unit and the sequence of operation of covering 10 bound edge 11，The drive end height that can make the first drive block 33 lower end arranges more relatively low，The height of the drive end of the small end of the second drive block 42 is arranged higher than the lower end drive end height of the first drive block 33，The lower end pressure connection terminal of the 3rd briquetting 51 is arranged higher than the drive end of the lower end of the second drive block 42，So can ensure that the first drive block 33 first action，Second drive block 42 action subsequently，The 3rd last action of briquetting 51，And then make the first briquetting 31 first implement 90 ° of bending actions to covering 10 bound edge 11，Second briquetting 41 is implemented covering 10 bound edge 11 from the secondary pre-bending action of 90 ° to 40 ° to 45 °，3rd briquetting 51 is implemented covering 10 bound edge 11 from 40 ° to 45 ° to the action of last complete pressing.
nullFinally，Described auxiliary briquetting 32 is arranged on the holding pad 21 above pedestal 20，Described holding pad 21 is provided above slide 22，It is provided with chute 221 on described slide 22，The flute length of described chute 221 points to the interior plate face of covering 10 bound edge 11，Described auxiliary briquetting 32 slidingtype is arranged in chute 221，The lower panel face of described moved cross beam 60 is provided with the 3rd drive block 61，The lower end pressure connection terminal of the 3rd drive block 61 is provided with the inclined-plane 611 horizontal by angle，Described inclined-plane 611 coordinates with the rolling face of the roller 321 arranged on auxiliary briquetting 32，It is provided with back-moving spring 62 between auxiliary briquetting 32 and slide 22，3rd drive block 61 move down action thus drive auxiliary briquetting 32 move obliquely along chute 221 until assisting the pressure connection terminal of briquetting 32 to be resisted against on the interior plate face of covering 10，Thus can be by covering 10 institute firmly through fixing，Wait the first briquetting 31 to implement bound edge 11 being bent to the bending action of 90 ° from wide-angle，Wherein
The rational height of the pressure connection terminal of the 3rd drive block 61 lower end should be to guarantee that the pressure connection terminal assisting briquetting 32 can first action be resisted against the interior plate face of covering 10 as principle.
The action of the most whole bending device is sketched below according to accompanying drawing 4a-4f and Fig. 5 a-5e:
nullFirst covering 10 is placed on pedestal 20，Moved cross beam 60 moves down，And make the 3rd drive block 61 move down and drive the pressure connection terminal of auxiliary briquetting 32 to be resisted against on the interior plate face of covering 10，Moved cross beam 60 continues to move down，The lower end making the first drive block 33 drives the swing of the first drive rod 312，And then interlock the first briquetting 31 pressure connection terminal be resisted against in the outer plate surface of bound edge 11 and be bent to and assist briquetting 32 pressure connection terminal outer panel face laminating，Moved cross beam 60 continues to move down，First briquetting 31 and auxiliary briquetting 32 are at back-moving spring 62、Reset under the effect of 315，And make its respective pressure stage be respectively further from covering 10，The second drive block 42 now moves down and makes lower end to drive the swing of the second drive rod 412，And then the pressure connection terminal interlocking the second briquetting 41 is resisted against in the outer plate surface of bound edge 11 and carries out secondary pre-bending，Moved cross beam 60 continues to move down，Second briquetting 41 resets under the effect of back-moving spring 415，And make its pressure connection terminal away from covering 10，Moved cross beam 60 continues to move down，The pressure connection terminal making the 3rd briquetting 51 lower end implements the pressing action completely to covering 10 bound edge，The most whole covering 10 bound edge 11 bends operation and completes.
Claims (3)
1. an automobile panel flanging bending device, it is characterized in that: include for holding in the palm the pedestal (20) supportting described covering (10), there is plural bend unit the top of pedestal (20), each of which bend unit performs the bending action to covering (10) bound edge (11) respectively, and the angle of bending every time is less than or equal to 60 °；
Described bend unit includes first, second and third bend unit, first briquetting (31) of described first bend unit orders about covering (10) bound edge (11) and is bent to 90 ° by initial angle, second briquetting (41) of described second bend unit orders about covering (10) bound edge (11) and is bent to 40 °～45 ° by 90 °, and the 3rd briquetting (51) of described 3rd bend unit orders about covering (10) bound edge (11) and is bent to molding by 40 °～45 °；
First bend unit also includes assisting briquetting (32), described auxiliary briquetting (32) pressure connection terminal is resisted against the position, interior plate face of neighbouring covering (10) bound edge (11), the pressure connection terminal of the first briquetting (31) is resisted against the position, outer panel face of covering (10) bound edge (11) and is bent to the interior plate face of bound edge (11) and is fitted on the outer panel face of auxiliary briquetting (32) pressure connection terminal, and the outer panel face of auxiliary briquetting (32) pressure connection terminal is 90 ° of angles with its face, pressure connection terminal place；
nullDescribed first、Two briquettings (31、41) first on pedestal (20) it is separately positioned on、Two pedestals (311、411) on，Described first、Two pedestals (311、411) respectively with first、Two drive rods (312、412) one end is hinged，First、Two drive rods (312、412) the other end is respectively with first、Two blocks (313、413) hinged，First、Two briquettings (31、41) first it is separately fixed at、Two blocks (313、413) upper and pressure connection terminal points to and treats bending covering (10) bound edge (11) position，Described first、Two blocks (313、413) the most respectively with first、Two connecting rods (314、414) one end is hinged，First、Two connecting rods (314、414) the other end is respectively with first、Two pedestals (311、411) hinged，First、Two pedestals (311、411) with first、Two blocks (313、413) back-moving spring (315 it is respectively equipped with between、415)，First、Two drive rods (312、412) be provided above first、Two drive blocks (33、42)，Described first、Two drive blocks (33、42) first is driven、Two drive rods (312、412) shaft rotates around jointed shaft.
Automobile panel flanging bending device the most according to claim 1, it is characterized in that: described first, two drive blocks (33, 42) on the lower face of moved cross beam (60), suspension type is laid, drive mechanism drives moved cross beam (60) to move back and forth up and down, first, two drive blocks (33, 42) lower end pressure connection terminal is provided with the inclined-plane (331 arranged horizontal by angle, 421), described inclined-plane (331, 421) respectively with first, two drive rods (312, 412) the upper roller (31a arranged, rolling face 41a) coordinates, 3rd briquetting (51) of described 3rd bend unit is laid in the lower face suspension type of moved cross beam (60).
Automobile panel flanging bending device the most according to claim 2, it is characterized in that: described auxiliary briquetting (32) is arranged on the holding pad (21) of pedestal (20) top, described holding pad (21) is provided above slide (22), chute (221) it is provided with on described slide (22)
The flute length of described chute (221) points to the interior plate face of covering (10) bound edge (11), described auxiliary briquetting (32) slidingtype is arranged in chute (221), the lower panel face of described moved cross beam (60) is provided with the 3rd drive block (61), the lower end pressure connection terminal of the 3rd drive block (61) is provided with the inclined-plane (611) horizontal by angle, the rolling face of described inclined-plane (611) roller (321) that arrange upper with auxiliary briquetting (32) coordinates, it is provided with back-moving spring (62) between auxiliary briquetting (32) and slide (22).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410482082.8A CN104275376B (en) | 2014-09-19 | 2014-09-19 | Automobile panel flanging bending method and device |
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| CN201410482082.8A CN104275376B (en) | 2014-09-19 | 2014-09-19 | Automobile panel flanging bending method and device |
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| CN104275376A CN104275376A (en) | 2015-01-14 |
| CN104275376B true CN104275376B (en) | 2016-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105081029B (en) * | 2015-08-12 | 2018-03-06 | 南通超达装备股份有限公司 | Seat back corner tipping device and its application method |
| CN106077207B (en) * | 2016-08-24 | 2018-01-16 | 中国第一汽车股份有限公司 | The oblique concora crush of one side closes the plain type press fit device and compression method of product |
| CN111804824A (en) * | 2020-08-05 | 2020-10-23 | 亿森（上海）模具有限公司 | Door sheet water cutting upper pre-bending pressing method |
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| CN1767911A (en) * | 2003-03-31 | 2006-05-03 | 奥依列斯工业株式会社 | Holder unit and hemming processing device with the same |
| CN202239232U (en) * | 2011-08-22 | 2012-05-30 | 福臻（马鞍山）科技发展有限公司 | Automobile roof internal and external plate edge folding die |
| CN203343249U (en) * | 2013-07-18 | 2013-12-18 | 哈尔滨凌云汽车零部件有限公司 | Automobile door punching and edge covering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060010978A (en) * | 2004-07-29 | 2006-02-03 | 현대자동차주식회사 | Press system for hemming |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767911A (en) * | 2003-03-31 | 2006-05-03 | 奥依列斯工业株式会社 | Holder unit and hemming processing device with the same |
| CN202239232U (en) * | 2011-08-22 | 2012-05-30 | 福臻（马鞍山）科技发展有限公司 | Automobile roof internal and external plate edge folding die |
| CN203343249U (en) * | 2013-07-18 | 2013-12-18 | 哈尔滨凌云汽车零部件有限公司 | Automobile door punching and edge covering device |
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