CN105268848A - Forming die for forming automobile back door plate - Google Patents
Forming die for forming automobile back door plate Download PDFInfo
- Publication number
- CN105268848A CN105268848A CN201510672405.4A CN201510672405A CN105268848A CN 105268848 A CN105268848 A CN 105268848A CN 201510672405 A CN201510672405 A CN 201510672405A CN 105268848 A CN105268848 A CN 105268848A
- Authority
- CN
- China
- Prior art keywords
- movable core
- counterdie
- back door
- die body
- forming surface
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 238000007493 shaping process Methods 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 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 description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 48
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a forming die for forming an automobile back door plate. The forming die comprises an upper die body and a lower die body. A power mechanism drives the upper die body to move vertically, and the forming face of the upper die body is far away from or close to the forming face of the lower die body. Blank holders are arranged on the periphery of the forming face of the lower die body. A movable core die body is arranged on the forming face of the lower die body and connected with a lifting mechanism. The lifting mechanism drives the movable core die body to move vertically. The movable core die body is provided with a forming face used for forming a back door plate modeling area. The movable core die body arranged on the lower die body is utilized for being matched with the upper die body, a plate to be formed is placed on the lower die body, the upper die body moves downwards, the upper die body makes contact with the blank holders, and accordingly the plate is pressed. The lifting mechanism can drive the movable core die body to move upwards, the upper forming face of the movable core die body is higher than the forming face of the lower die body, and accordingly the complex modeling area on the back door plate can be formed. The upper die body continues to move downwards to the bottom dead center, and therefore other areas of the back door plate can be formed.
Description
Technical field
The invention belongs to cold punching die technical field, particularly a kind of mould for formed automobile back door-plate.
Background technology
Along with the fast development of auto industry, automobile is as the vehicles are more and more universal in the use of Chinese family easily, and particularly the automobile of the sharp uniqueness of some profiles is favored by numerous automobile consumers deeply.For the automobile of unique outlook, its Metal Sheets for Body-manufacturing particularly the large-scale covering such as gusset, back door often structure is comparatively complicated.
As certain SUV vehicle of Saic Chery Automobile Co., Ltd, shown in composition graphs 1, the shadow region A surface modeling of back door-plate is comparatively complicated, if the back door-plate of this kind of vehicle adopts common drawing die shaping, be easy to that this shadow region A is occurred wrinkling, the common drawing mold structure of above-mentioned shaping back door-plate, shown in composition graphs 2, comprise the punch 10 on die shoe and the die 20 on upper bolster, the forming surface side of punch 10 is provided with blank holder 12, the lower face of blank holder 12 and the push rod 11 of lifting body are fixed, lifting body drives push rod 11 synchronously to move up and down along with die 20 and the pressing of flattening circle 12, above-mentioned drawing die is when this back door-plate shaping, die 20 moves down, first be die 20 forming surface side and blank holder 12 against, thus sheet material to be formed is locked, die 20 continues to move down, until make the forming surface of die 20 coordinate with the forming surface of punch 10, thus make sheet material calendering formation further, but there is comparatively complicated region, moulding face in automotive back door-plate due to such, as according to above-mentioned mould punch forming, the forming surface of mould is difficult to machine-shaping on the one hand, be easy to make the region, moulding face of the complexity of this series products to produce serious wrinkling deformation phenomenon simply by a punching press on the other hand.Product after above-mentioned distortion can only alleviate wrinkling region by later stage metal plate repairing, but, simple eliminates the wrinkling problem of back door-plate by the mode of metal plate repairing, be difficult on the one hand eliminate wrinkling problem completely, on the other hand, thinner due to this shadow region A, is easy to the phenomenon occurring tearing.
Summary of the invention
The object of the invention is to: a kind of mould guaranteeing back door sheet metal forming quality is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of mould for formed automobile back door-plate, comprise patrix and counterdie, actuating unit drive patrix to move up and down and the forming surface of patrix away from or near the forming surface of counterdie, blank holder is provided with around the forming surface of counterdie, the forming surface of described counterdie is provided with movable core, described movable core is connected with elevating mechanism, elevating mechanism driving activity core moves up and down, and movable core is provided with the forming surface for shaping back door plate moulding region A.
Compared with prior art, the technique effect that the present invention exists is: utilize the movable core be arranged on counterdie to coordinate with patrix, sheet material to be formed is placed on counterdie, patrix moves down, patrix contacts with blank holder, thus by plate compact, elevating mechanism can drive on movable core and move, make the forming surface height of upper forming surface height higher than counterdie of movable core, thus it is shaping first to realize the complex model region on back door-plate, patrix continues to be displaced downwardly to bottom dead centre, thus can by complete for other drape formings of back door-plate.
Accompanying drawing explanation
Fig. 1 is the structural representation of automotive back door-plate;
Fig. 2 is the existing forming die structure schematic diagram for shaping back door-plate;
Fig. 3 to Fig. 6 is mould completed state schematic diagram of the present invention;
Fig. 7 is the structural representation of movable core of the present invention.
Detailed description of the invention
Composition graphs 1 to Fig. 7, is further described the present invention:
A kind of mould for formed automobile back door-plate, comprise patrix 10 and counterdie 20, actuating unit drive patrix 10 to move up and down and the forming surface 101 of patrix 10 away from or near the forming surface 201 of counterdie 20, blank holder 21 is provided with around the forming surface 201 of counterdie 20, the forming surface 201 of described counterdie 20 is provided with movable core 30, described movable core 30 is connected with elevating mechanism, elevating mechanism driving activity core 30 moves up and down, and movable core 30 is provided with the forming surface 31 for shaping back door plate moulding region A.
Composition graphs 3 to Fig. 6, the forming surface 31 of movable core 30 be arranged on counterdie 20 is utilized to coordinate with the forming surface 101 of patrix 10, sheet material B to be formed is placed on counterdie 20, patrix 10 moves down, patrix 10 contacts with blank holder 21, thus by plate compact, elevating mechanism can separately driving activity core 30 move, make forming surface 201 height of upper forming surface 31 height higher than counterdie 20 of movable core 30, thus can complex model region A on first shaping back door-plate shaping, abandon in prior art the bad phenomenon such as wrinkling of this complex model region A adopting the mode of one-step shaping to bring, patrix 10 continues to be displaced downwardly to bottom dead centre, thus can by complete for other drape formings of back door-plate.
As preferred version of the present invention, for realizing the more reliable pressing and forming of this back door-plate complex model region A, the slide-and-guide that described movable core 30 and counterdie 20 form vertical direction coordinates, movable core 30 coordinates with counterdie 20 slide-and-guide, the shift phenomenon that movable core 30 occurs in the process moved down can be avoided, even these side-play amount naked eyes cannot be seen clearly also can stablize shaping having an impact to this complex model region A;
Preferably, described elevating mechanism comprises the nitrogen spring 40 be arranged on counterdie 20, the cylinder body of nitrogen spring 40 is fixedly installed on counterdie 20, the plunger rod of nitrogen spring 40 vertically and rod end be connected with movable core 30, when described movable core 30 is in highest order, the height of the forming surface 31 of movable core 30 is higher than forming surface 201 height of counterdie 20.Utilize the characteristic of nitrogen spring 40, effectively can implement the support to movable core 30, in the process that counterdie 10 moves down, forming surface 101 side of patrix 10 and blank holder 21 pressing, blank holder 21 declines, the forming surface 101 of patrix 10 first with forming surface 31 pressing of movable core 30, thus the complex model region A of first shaping back door-plate, patrix 10 continues to move down, thus the decline of driving activity core 30, nitrogen spring 40 is compressed shorten, and then make other forming surface 101 of patrix 10 and forming surface 201 pressing of counterdie 20, thus other sculpted zone of shaping back door-plate, and then the forming operation completed whole back door-plate, after shaping, patrix 10 resets, because nitrogen spring 40 has certain delay performance, therefore, nitrogen spring 40 can not reset at once, movable core 30 on nitrogen spring 40 can not immediately rise, but blank holder 21 first rises, thus make shaping after the lifting of back door-plate and depart from the forming surface 101 of patrix 10, just because of the delay performance of nitrogen spring 40, that can avoid movable core 30 with synchronous lifting that is blank holder 21, or movable core 30 will faster than the lifting action of blank holder 21, and then the upper surface of movable core 30 can be avoided to make the phenomenon of this complex model region jacking distortion of shaping door-plate.
Further, be provided with limiting section between described movable core 30 and counterdie 20, described limiting section is used for restraint core 30 displacement lower limit.Particularly, described limiting section is the limited block 32 be arranged on counterdie 20, the upper surface of described limited block 32 and the lower surface of movable core 30 against or away from coordinating.The lower surface of utilization activity core 30 coordinates with the spacing of upper surface of limited block 32, thus can restraint core 30 continue move down.
Described movable core 30 is in plate-like, its forming surface 31 is arranged on the upper surface of movable core 30, the guide pad 34 that the surrounding of movable core 30 is arranged, the slide-and-guide that described guide pad 34 and counterdie 20 form vertical direction coordinates, the cylinder body of described nitrogen spring 40 is arranged on pedestal 33, described pedestal 33 forms detachable being fastenedly connected with counterdie 20, and described limited block 32 is arranged on pedestal 33.
Further, described blank holder 21 is arranged on lifting body, and jacking descending mechanism drives blank holder 21 synchronously to move up and down along with patrix 10 and the pressing of blank holder 21.Lifting body comprises the push rod 50 of the below being arranged on blank holder 21, and described push rod 50 is connected with air-cushion unit, air-cushion unit drive blank holder 21 follow patrix 10 on move and down maneuver.
Finally, the lower whole course of action of the present invention of summary:
Being placed on by sheet material B to be formed is lifted on the blank holder 21 of highest order, blank holder 21 height is now higher than the height of the forming surface 31 of movable core 30 and the forming surface 201 of counterdie 20, the height of the forming surface 31 of movable core 30 is higher than the height of the forming surface 201 of counterdie 20, operation patrix 10 moves down, make forming surface 101 side of patrix 10 and blank holder 21 near and pressing thus sheet material B to be formed is tentatively compressed, patrix 10 continues to move down, first close with the forming surface of the movable core 31 also pressing of forming surface 101 of patrix 10, thus by shaping for complex model region A, patrix 10 continues to move down, thus the spring 40 that makes to upspring compresses, until other forming surface 101 of patrix 10 and the forming surface 201 of counterdie 20 are near also pressing, thus other sculpted zone of shaping back door-plate, patrix 10 is until be displaced downwardly to the bottom dead centre of patrix 10, whole forming action is complete, in the process that patrix 10 resets, holding pad 21 synchronously rises along with the rising of patrix 10, until patrix 10 and reset, holding pad 21 is separated with patrix 10, taken out by shaping back door-plate, nitrogen spring 40 is inflated and driving activity core 30 rises, thus whole device has resetted, continue to place sheet material B to be formed, enter the forming operation of next back door-plate.
Claims (7)
1. the mould for formed automobile back door-plate, it is characterized in that: comprise patrix (10) and counterdie (20), actuating unit drive patrix (10) to move up and down and the forming surface (101) of patrix (10) away from or near the forming surface (201) of counterdie (20), the forming surface (201) of counterdie (20) is provided with blank holder (21) around, the forming surface (201) of described counterdie (20) is provided with movable core (30), described movable core (30) is connected with elevating mechanism, elevating mechanism driving activity core (30) moves up and down, movable core (30) is provided with the forming surface (31) for shaping back door plate moulding region A.
2. the mould for formed automobile back door-plate according to claim 1, it is characterized in that: the slide-and-guide that described movable core (30) and counterdie (20) form vertical direction coordinates, described elevating mechanism comprises the nitrogen spring (40) be arranged on counterdie (20), the cylinder body of nitrogen spring (40) is fixedly installed on counterdie (20), the plunger rod of nitrogen spring (40) vertically and rod end be connected with movable core (30), when described movable core (30) is in highest order, the height of the forming surface (31) of movable core (30) higher than counterdie (20) forming surface (201) highly.
3. the mould for formed automobile back door-plate according to claim 2, it is characterized in that: be provided with limiting section between described movable core (30) and counterdie (20), described limiting section is used for restraint core (30) displacement lower limit.
4. the mould for formed automobile back door-plate according to claim 3, it is characterized in that: described limiting section for being arranged on the limited block (32) on counterdie (20), the upper surface of described limited block (32) and the lower surface of movable core (30) against or away from coordinating.
5. the mould for formed automobile back door-plate according to claim 3, it is characterized in that: described movable core (30) is in plate-like, its forming surface (31) is arranged on the upper surface of movable core (30), the guide pad (34) that the surrounding of movable core (30) is arranged, the slide-and-guide that described guide pad (34) forms vertical direction with counterdie (20) coordinates, the cylinder body of described nitrogen spring (40) is arranged on pedestal (33), described pedestal (33) and counterdie (20) form detachable being fastenedly connected, described limited block (32) is arranged on pedestal (33).
6. the mould for formed automobile back door-plate according to claim 1, it is characterized in that: described blank holder (21) is arranged on lifting body, jacking descending mechanism drives blank holder (21) synchronously to move up and down along with patrix (10) and the pressing of blank holder (21).
7. the mould for formed automobile back door-plate according to claim 6, it is characterized in that: lifting body comprises the push rod (50) being arranged on blank holder (21) below, described push rod (50) is connected with air-cushion unit, air-cushion unit drive blank holder (21) follow patrix (10) on move and down maneuver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672405.4A CN105268848B (en) | 2015-10-14 | 2015-10-14 | Molding die for formed automobile back door-plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510672405.4A CN105268848B (en) | 2015-10-14 | 2015-10-14 | Molding die for formed automobile back door-plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105268848A true CN105268848A (en) | 2016-01-27 |
| CN105268848B CN105268848B (en) | 2018-05-11 |
Family
ID=55139186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510672405.4A Active CN105268848B (en) | 2015-10-14 | 2015-10-14 | Molding die for formed automobile back door-plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105268848B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413954A (en) * | 2017-08-30 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | A kind of drawing die |
| CN107716728A (en) * | 2017-11-30 | 2018-02-23 | 重庆安亚模具制造有限公司 | A kind of drawing die |
| CN109675993A (en) * | 2018-12-27 | 2019-04-26 | 江苏裕邦车业科技有限公司 | A kind of auto parts and components stamping equipment of more executing agency's synchronous processings |
| CN115430774A (en) * | 2021-07-30 | 2022-12-06 | 北京车和家信息技术有限公司 | Molds for forming vehicle back door panels |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57193244A (en) * | 1981-05-25 | 1982-11-27 | Nissan Motor Co Ltd | Cushion drawing press die |
| JPS5884620A (en) * | 1981-11-12 | 1983-05-20 | Nissan Motor Co Ltd | Drawing press die |
| CN201613307U (en) * | 2009-11-10 | 2010-10-27 | 浙江吉利汽车有限公司 | Drawing die for car door outer panel |
| CN202752441U (en) * | 2012-06-29 | 2013-02-27 | 重庆桃园金属表面处理有限公司 | Stamping mold of automobile left back door outer plate and right back door outer plate |
| CN102974694A (en) * | 2012-11-05 | 2013-03-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Stamping die of single action press |
| CN203109012U (en) * | 2013-01-17 | 2013-08-07 | 奇瑞汽车股份有限公司 | Automobile die movable blank holder |
| CN103586342A (en) * | 2013-10-15 | 2014-02-19 | 浙江吉利控股集团有限公司 | Drawing die |
| CN103801624A (en) * | 2014-03-10 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Outside door panel die |
-
2015
- 2015-10-14 CN CN201510672405.4A patent/CN105268848B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57193244A (en) * | 1981-05-25 | 1982-11-27 | Nissan Motor Co Ltd | Cushion drawing press die |
| JPS5884620A (en) * | 1981-11-12 | 1983-05-20 | Nissan Motor Co Ltd | Drawing press die |
| CN201613307U (en) * | 2009-11-10 | 2010-10-27 | 浙江吉利汽车有限公司 | Drawing die for car door outer panel |
| CN202752441U (en) * | 2012-06-29 | 2013-02-27 | 重庆桃园金属表面处理有限公司 | Stamping mold of automobile left back door outer plate and right back door outer plate |
| CN102974694A (en) * | 2012-11-05 | 2013-03-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Stamping die of single action press |
| CN203109012U (en) * | 2013-01-17 | 2013-08-07 | 奇瑞汽车股份有限公司 | Automobile die movable blank holder |
| CN103586342A (en) * | 2013-10-15 | 2014-02-19 | 浙江吉利控股集团有限公司 | Drawing die |
| CN103801624A (en) * | 2014-03-10 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Outside door panel die |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413954A (en) * | 2017-08-30 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | A kind of drawing die |
| CN107716728A (en) * | 2017-11-30 | 2018-02-23 | 重庆安亚模具制造有限公司 | A kind of drawing die |
| CN107716728B (en) * | 2017-11-30 | 2024-11-19 | 浙江德明汽车部件有限公司 | A drawing die |
| CN109675993A (en) * | 2018-12-27 | 2019-04-26 | 江苏裕邦车业科技有限公司 | A kind of auto parts and components stamping equipment of more executing agency's synchronous processings |
| CN115430774A (en) * | 2021-07-30 | 2022-12-06 | 北京车和家信息技术有限公司 | Molds for forming vehicle back door panels |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105268848B (en) | 2018-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201279549Y (en) | Double-float drawing die for back seat-pan stamping piece of vehicle seat | |
| JP2010167480A (en) | Press-forming die and press-forming method | |
| CN201279550Y (en) | Back stretching die for producing sedan channel inner-plate | |
| CN105268848A (en) | Forming die for forming automobile back door plate | |
| JP2015066584A (en) | Press molding method and press mold | |
| CN106925652B (en) | A kind of drawing forming process and its stamping die | |
| CN104226847A (en) | Automatic tin case molding machine | |
| CN203002958U (en) | Vehicle side body drawing die capable of preventing yawing force from producing | |
| CN108311586B (en) | One kind being used for the stamping forming shaping side flanging die of vehicle rail outer support plate | |
| CN207043169U (en) | A kind of double-fold diel | |
| US2064160A (en) | Apparatus for die drawing large irregularly shaped sheet metal articles | |
| CN204294765U (en) | One-sided bending workpieces Integral molding device for insoles | |
| CN215614427U (en) | Punching and flanging die for automobile framework | |
| CN203695751U (en) | Composite die for stamping and edge cutting of U-shaped automobile control arm forge piece | |
| CN211803242U (en) | Arc-shaped structure folding tool and arc-shaped side plate thereof | |
| CN204638885U (en) | Wedge flanging mould | |
| JP2014036962A (en) | Hydraulic forming method and hydraulic forming apparatus | |
| CN205085243U (en) | Drawing mold | |
| CN104399811A (en) | Cold stamping die | |
| CN212976449U (en) | Automobile inner panel support frame flanging die | |
| CN105268851A (en) | Drawing mould structure applied to punch production | |
| JPH08206746A (en) | Deep drawing device | |
| CN210648076U (en) | Stamping forming equipment for automobile floor reinforcement | |
| CN203304420U (en) | Die for bending molding of tube parts of vehicle body | |
| CN206588230U (en) | A kind of flanging and restriking mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |