CN103817239A - Wedge side-shaping die - Google Patents
Wedge side-shaping die Download PDFInfo
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- CN103817239A CN103817239A CN201410059164.1A CN201410059164A CN103817239A CN 103817239 A CN103817239 A CN 103817239A CN 201410059164 A CN201410059164 A CN 201410059164A CN 103817239 A CN103817239 A CN 103817239A
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- 238000007493 shaping process Methods 0.000 title claims abstract description 55
- 238000003825 pressing Methods 0.000 claims abstract description 124
- 239000000463 material Substances 0.000 claims description 117
- 239000011230 binding agent Substances 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 description 69
- 238000000034 method Methods 0.000 description 20
- 239000002131 composite material Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The invention relates to a wedge side-shaping die which comprises a first wedge driving block (1), male dies (2 and 22), wedge sliders (3 and 23), second wedge driving blocks (5 and 25), auxiliary pressing cores (6 and 26), primary pressing cores (7and 27) and side shaping female die inserts (9 and 29). The first wedge driving block (1) drives the male dies (2 and 22) to move, the second wedge driving blocks (5 and 25) drive the auxiliary pressing cores (6 and 26) and the wedge sliders (3 and 23) to move, workpieces are arranged on the male dies (2 and 22), the auxiliary pressing cores (6 and 26) press laterally along the direction of wedge side-shaping, and the primary pressing cores (7 and 27) press along the perpendicular direction. The wedge side-shaping die is characterized in that stress springs (8 and 28) of the auxiliary pressing cores (6 and 26) are fixed on the wedge sliders (3 and 23), the auxiliary pressing cores (6 and 26) laterally press along the second wedge driving blocks (5 and 25) through the springs (8 and 28) so as to guarantee that the workpieces are sufficiently pressed during side shaping, and deformation of the workpieces is effectively avoided.
Description
Technical field
The present invention relates to the cold punching technology field of automobile panel, relate in particular to a kind of NEW TYPE OF COMPOSITE cam die structure.Specifically, during especially for the shaping of outer covering piece side, and the outer surface profile at the associated position of shaping is precipitous, guarantees that with rotary primary and secondary material pressing core product surface fully compresses and prevent surface tear.
Background technology
Automobile body covering piece diel is to require the mould the highest, difficulty of processing is maximum during body of a motor car is manufactured, the cold punching technology equipment developing rapidly in the dynamo-electric product manufacture of Ye Shi China.The quality of vehicle exterior cladding element directly affects the exterior quality of car load.
Take certain vehicle side-wall outer-plate as example, as depicted in figs. 1 and 2, this vehicle side-wall outer-plate becomes the angle θ of form point B smaller with top cover lap-joint in contact-segment.
In order to realize the punch forming of product shape, the general wedge side shaping mould structure adopting with traditional material pressing core, but be difficult to guarantee that product is fully compressed with the outer surface at the associated position of side shaping in the time of side shaping, in the time of side shaping, cause outer surface distortion with the outer surface Tensile at the associated position of side shaping.Meanwhile, because operation semi-finished product process part processing before side shaping exists resilience, material pressing core scratches product outer surface at binder motion process.Along with people to car appearance requirement improve constantly, make quality and vehicle body coupling to stamping parts require more and more higher, and adopt the quality requirement that cannot meet the moulding of such product with the wedge side shaping mould structure of traditional material pressing core, especially can not meet the surface quality requirement of product.
With the wedge side shaping mould structure of traditional material pressing core as shown in Figure 3, mould is in the process moving downward, first drive the first wedge drive block 1 to drive punch 2 to arrive precalculated position downwards and support product, then traditional material pressing core 4 moves downward compression product, and the second wedge drive block 5 moves downward and drives wedge slide block 3 and complete side shaping.In the situation that pressure-plate-force is certain, less as the angle θ of form point time, on the one hand, the face pressure that tradition material pressing core 4 applies in the outer surface at the associated position of product side shaping is just less, become outer surface Tensile in the time of side shaping at the associated position of form point, make that subsiding appears in the associated position of product side shaping outer surface, the unequal defect of face, size generation deviation when vehicle body assembling, reduce the dimensional accuracy of product, even scrap.
As shown in Figure 4, on the other hand, product D resilience meeting of semi-finished product process part processing before side shaping is larger, in the time that traditional material pressing core C moves downward binder, the lower end part of tradition material pressing core C contacts with the product G outer plate surface after resilience, the outer surface that scratches product forms product surface tear band F, affects the presentation quality of product.
Summary of the invention
The present invention has designed a kind of wedge side shaping mould, the technical problem of its solution is: (1) is with the wedge side shaping mould structure of traditional material pressing core, but be difficult to guarantee that product is fully compressed with the outer surface at the associated position of side shaping in the time of side shaping, in the time of side shaping, cause outer surface distortion with the outer surface Tensile at the associated position of side shaping.(2), because operation semi-finished product process part processing before side shaping exists resilience, material pressing core scratches product outer surface at binder motion process.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
A kind of wedge side shaping mould, comprise the first wedge drive block (1), punch (2, 22), wedge slide block (3, 23), the second wedge drive block (5, 25), sub-material pressing core (6, 26), female material pressing core (7, 27) and side correcting die insert (9, 29), the first wedge drive block (1) drives punch (2, 22) motion, the second wedge drive block (5, 25) driven element material pressing core (6, 26) and wedge slide block (3, 23) motion, product is placed on punch (2, 22) on, sub-material pressing core (6, 26) along the whole wedge direction of side side direction binder, female material pressing core (7, 27) binder vertically, described sub-material pressing core (6, 26) the spring (8 of exerting pressure, 28) be fixed on wedge slide block (3, 23) on, sub-material pressing core (6, 26) by spring (8, 28) along the second wedge drive block (5, 25) direction side direction binder, to guarantee that product fully compresses in side shaping process, effectively avoid product distortion.
Further, spring (8) installation direction is consistent with the second wedge drive block (5) machine direction.
Further, described the second wedge drive block (5,25) driven element material pressing core (6 simultaneously, 26) along side whole wedge direction binder and driving wedge slide block (3,23) the side correcting die and on fixing wedge slide block (3,23) insert (9,29) carrying out side shaping.
Further, it is upper that sub-material pressing core (6) is arranged on mount pad (10) by rotating shaft (11), and mount pad (10) is bolted on again on female material pressing core (7).
Further, described sub-material pressing core (6) is undertaken spacing by caging bolt (13).
Further, retracting spring (12) is installed on caging bolt (13), described sub-material pressing core (6) completes reset by the retracting spring (12) on caging bolt (13).
Further, described caging bolt (13) is fixed on female material pressing core (7).
Further, it is upper that sub-material pressing core (26) is arranged on female material pressing core (27), and the relatively female material pressing core of described sub-material pressing core (26) (27) can slide along the second wedge drive block (5) moving direction.
This wedge side shaping mould, compared with traditional wedge side shaping mould, has following beneficial effect:
(1) neutron material pressing core of the present invention is by spring along wedge direction side direction binder, and the application of force direction of sub-material pressing core is consistent with the direction of motion of wedge, guarantees that product fully compresses in side shaping process, effectively avoids product distortion.
(2) in the present invention when vehicle side-wall outer-plate and top cover lap-joint become form point angle θ to get over hour in contact-segment, product becomes near resilience meeting form point larger, this rotary primary and secondary material pressing core contacts product and implements binder along product normal direction respectively, avoid material pressing core in binder motion process, to scratch product outer surface, improve the quality of product.
(3) in the present invention when vehicle side-wall outer-plate and top cover lap-joint become form point angle θ to get over hour in contact-segment, product becomes near resilience meeting form point larger, this sliding wedge type primary and secondary material pressing core contacts product and implements binder along product normal direction respectively, avoid material pressing core in binder motion process, to scratch product outer surface, improve the quality of product.
Accompanying drawing explanation
Fig. 1: the structural representation of certain vehicle side-wall outer-plate and top cover lap-joint;
Fig. 2: in Fig. 1, A-A is to schematic cross-section;
Fig. 3: prior art tradition material pressing core binder wedge side reshaping structure schematic diagram;
Fig. 4: prior art tradition material pressing core binder process scratches product outer surface schematic diagram;
Fig. 5: the present invention is with the NEW TYPE OF COMPOSITE cam die structure rollback view of rotary primary and secondary material pressing core;
Fig. 6: the present invention completes the view that drives punch with the NEW TYPE OF COMPOSITE cam die structure first wedge drive block of rotary primary and secondary material pressing core;
Fig. 7: the present invention completes the view of vertical binder with the female material pressing core of NEW TYPE OF COMPOSITE cam die structure of rotary primary and secondary material pressing core;
Fig. 8: the present invention completes the view of driven element material pressing core with the NEW TYPE OF COMPOSITE cam die structure wedge drive block of rotary primary and secondary material pressing core;
Fig. 9: the present invention completes the view that drives wedge slide block with the NEW TYPE OF COMPOSITE cam die structure wedge drive block of rotary primary and secondary material pressing core;
Figure 10: the present invention is with the NEW TYPE OF COMPOSITE cam die structure rollback view of sliding wedge type primary and secondary material pressing core;
Figure 11: the present invention completes the view that drives punch with the NEW TYPE OF COMPOSITE cam die structure first wedge drive block of sliding wedge type primary and secondary material pressing core;
Figure 12: the present invention completes the view of vertical binder with the female material pressing core of NEW TYPE OF COMPOSITE cam die structure of sliding wedge type primary and secondary material pressing core;
Figure 13: the present invention completes the view of driven element material pressing core with the NEW TYPE OF COMPOSITE cam die structure wedge drive block of sliding wedge type primary and secondary material pressing core;
Figure 14: the present invention completes the view that drives wedge slide block with the NEW TYPE OF COMPOSITE cam die structure wedge drive block of sliding wedge type primary and secondary material pressing core.
Description of reference numerals:
The 1-the first wedge drive block; 2-punch; 3-wedge slide block; 4-material pressing core; The 5-the second wedge drive block; 6-sub-material pressing core; 7-female material pressing core; 8-spring; 9-side correcting die is inserted; 10-mount pad; 11-rotating shaft; 12-retracting spring; 13-caging bolt;
B-one-tenth form point; C-traditional material pressing core; D-product; E-traditional material pressing core and product contact point; F-product surface tear band; Product after G-resilience;
The 21-the first wedge drive block; 22-punch; 23-wedge slide block; 24-material pressing core; The 25-the second wedge drive block; 26-sub-material pressing core; 27-female material pressing core; 28-spring; 29-side correcting die is inserted.
The specific embodiment
Below in conjunction with Fig. 5 to Figure 14, the present invention will be further described:
Embodiment 1: as shown in Figure 5, be mould rollback view of the present invention, now the first wedge drive block 1 and the second wedge drive block 5, rotation formula material pressing core 6 and female material pressing core 7 are all in off working state.
In the time that mould moves downward work, start working and sequentially describe according to the each workpiece the present invention relates to below:
First stage: as shown in Figure 6, for the present invention's the first wedge drive block 1 completes the state that punch 2 is driven, in this process, mould drives the first wedge drive block 1 to move downward driving punch 2 and moves to product processing precalculated position, after this first wedge drive block 1 continues to move downward with mould, punch 2 no longer moves at wedge operative orientation, in the resident stage.
Second stage: as shown in Figure 7, for rotary primary and secondary material pressing core of the present invention completes female material pressing core 7 binder in vertical direction, the second wedge drive block 5 starts the state of driven element material pressing core 6, in this process, mould drives female material pressing core 7 and the mount pad 10 that is arranged on female material pressing core 7 is with mover material pressing core 6 to move downward in the vertical direction, until 7. female material pressing core pushes down product in the vertical direction, sub-material pressing core 6 now completes the motion of vertical direction, after this second wedge drive block 5 starts driven element material pressing core 6 and moves along wedge operative orientation, but now sub-material pressing core 6 still has a segment distance with product at wedge operative orientation, in off working state.
Phase III: as shown in Figure 8, for the second wedge drive block 5 of the present invention completes the state of driven element material pressing core 6, in this process, mould drives the second wedge drive block 5 to move downward, the second wedge drive block 5 moves along wedge operative orientation with sub-material pressing core 6, until sub-material pressing core 6 compresses product by rotating shaft 11 along wedge operative orientation.
Fourth stage: as shown in Figure 9, drive wedge slide block 3 and the side correcting die state of 9 side shaping of inserting for the second wedge drive block 5 of the present invention completes, mould completes this operation processing content, and mould arrives closure state.In this process, the second wedge drive block 5 continues to move downward driving wedge slide block 3 and carries out moving along wedge machine direction, the spring 8 being arranged on wedge slide block 3 starts to contact with sub-material pressing core 6, exert pressure from wedge machine direction antithetical phrase material pressing core 6, sub-material pressing core 6 compresses after product, be arranged on side shaping on wedge slide block 3 and insert and 9 start to contact product and carry out side shaping, until mould runs to closure state, side shaping machines.
Product is placed on punch 2, less as form point angle θ, near the resilience meeting of product one-tenth form point is larger, respectively the normal direction on product surface is carried out to binder by rotary primary and secondary material pressing core, avoid product after resilience, material pressing core scratches product outer surface in binder motion process.Provide side direction binder by spring, in the situation that pressure-plate-force is certain, can improve the face pressure that material pressing core is exerted pressure to product, guarantee that product fully compresses in the time of side shaping, prevent product distortion, improve the quality of product.
Embodiment 2:
As shown in Figure 10, be mould rollback view of the present invention, now the first wedge drive block 21 and the second wedge drive block 25, sliding wedge formula material pressing core 26 and female material pressing core 27 are all in off working state.
In the time that mould moves downward work, start working and sequentially describe according to the each workpiece the present invention relates to below:
First stage: as shown in figure 11, for the present invention's the first wedge drive block 21 completes the state that punch 22 is driven, in this process, mould drives the first wedge drive block 21 to move downward driving punch 22 and moves to product processing precalculated position, after this first wedge drive block 21 continues to move downward with mould, punch 22 no longer moves at wedge operative orientation, in the resident stage.
Second stage: as shown in figure 12, for sliding wedge type primary and secondary material pressing core of the present invention completes female material pressing core 27 binder in vertical direction, the second wedge drive block 25 starts the state of driven element material pressing core 26, in this process, mould drives female material pressing core 27 and the sub-material pressing core 26 that is arranged on female material pressing core 27 moves downward in the vertical direction, until female material pressing core 27 is pushed down product in the vertical direction, sub-material pressing core 26 now completes the motion of vertical direction, after this second wedge drive block 25 starts driven element material pressing core 26 and moves along wedge operative orientation, but now sub-material pressing core 26 still has a segment distance with product at wedge operative orientation, in off working state.
Phase III: as shown in figure 13, for the second wedge drive block 25 of the present invention completes the state of driven element material pressing core 26, in this process, mould drives the second wedge drive block 25 to move downward, the second wedge drive block 25 moves along wedge operative orientation with sub-material pressing core 26, until sub-material pressing core 26 compresses product along wedge operative orientation.
Fourth stage: as shown in figure 14, drive wedge slide block 23 and the side correcting die state of 29 side shaping of inserting for the second wedge drive block 25 of the present invention completes, mould completes this operation processing content, and mould arrives closure state.In this process, the second wedge drive block 25 continues to move downward driving wedge slide block 23 and carries out moving along wedge machine direction, the spring 28 being arranged on wedge slide block 23 starts to contact with sub-material pressing core 26, exert pressure from wedge machine direction antithetical phrase material pressing core 26, sub-material pressing core 26 compresses after product, be arranged on side shaping on wedge slide block 23 and insert and 29 start to contact product and carry out side shaping, until mould runs to closure state, side shaping machines.
Product is placed on punch 22, less as form point angle θ, near the resilience meeting of product one-tenth form point is larger, respectively the normal direction on product surface is carried out to binder by sliding wedge type primary and secondary material pressing core, avoid product after resilience, material pressing core scratches product outer surface in binder motion process.Provide side direction binder by spring, in the situation that pressure-plate-force is certain, can improve the face pressure that material pressing core is exerted pressure to product, guarantee that product fully compresses in the time of side shaping, prevent product distortion, improve the quality of product.
By reference to the accompanying drawings the present invention is carried out to exemplary description above; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (8)
1. a wedge side shaping mould, comprise the first wedge drive block (1), punch (2, 22), wedge slide block (3, 23), the second wedge drive block (5, 25), sub-material pressing core (6, 26), female material pressing core (7, 27) and side correcting die insert (9, 29), the first wedge drive block (1) drives punch (2, 22) motion, the second wedge drive block (5, 25) driven element material pressing core (6, 26) and wedge slide block (3, 23) motion, product is placed on punch (2, 22) on, sub-material pressing core (6, 26) along the whole wedge direction of side side direction binder, female material pressing core (7, 27) binder vertically, it is characterized in that: described sub-material pressing core (6, 26) the spring (8 of exerting pressure, 28) be fixed on wedge slide block (3, 23) on, sub-material pressing core (6, 26) by spring (8, 28) along the second wedge drive block (5, 25) direction side direction binder, to guarantee that product fully compresses in side shaping process, effectively avoid product distortion.
2. wedge side shaping mould according to claim 1, is characterized in that: spring (8) installation direction is consistent with the second wedge drive block (5) machine direction.
3. wedge side shaping mould according to claim 1, it is characterized in that: described the second wedge drive block (5,25) while driven element material pressing core (6,26) along side whole wedge direction binder and driving wedge slide block (3,23) and fixing wedge slide block (3,23) the side correcting die on insert (9,29) carrying out side shaping.
4. according to wedge side shaping mould described in claim 1,2 or 3, it is characterized in that: it is upper that sub-material pressing core (6) is arranged on mount pad (10) by rotating shaft (11), and mount pad (10) is bolted on again on female material pressing core (7).
5. wedge side shaping mould according to claim 4, is characterized in that: described sub-material pressing core (6) is undertaken spacing by caging bolt (13).
6. wedge side shaping mould according to claim 5, is characterized in that: retracting spring (12) is installed on caging bolt (13), and described sub-material pressing core (6) completes reset by the retracting spring (12) on caging bolt (13).
7. according to wedge side shaping mould described in claim 4 or 5, it is characterized in that: described caging bolt (13) is fixed on female material pressing core (7).
8. according to wedge side shaping mould described in claim 1,2 or 3, it is characterized in that: it is upper that sub-material pressing core (26) is arranged on female material pressing core (27), the relatively female material pressing core of described sub-material pressing core (26) (27) can slide along the second wedge drive block (5) moving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059164.1A CN103817239A (en) | 2014-02-21 | 2014-02-21 | Wedge side-shaping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059164.1A CN103817239A (en) | 2014-02-21 | 2014-02-21 | Wedge side-shaping die |
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| CN103817239A true CN103817239A (en) | 2014-05-28 |
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| CN201410059164.1A Pending CN103817239A (en) | 2014-02-21 | 2014-02-21 | Wedge side-shaping die |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028659A (en) * | 2014-06-09 | 2014-09-10 | 安徽江淮汽车股份有限公司 | Lateral pressing mechanism and stamping die |
| CN104190747A (en) * | 2014-08-12 | 2014-12-10 | 安徽江淮福臻车体装备有限公司 | Side shaping mechanism for roof skylight of automobile covering part |
| CN104624815A (en) * | 2015-02-13 | 2015-05-20 | 安徽福达汽车模具制造有限公司 | Double-movable inclined wedge forming mold of headstock cover top plate |
| CN105537399A (en) * | 2015-12-01 | 2016-05-04 | 奇瑞商用车（安徽）有限公司 | Novel four-direction wedge die mechanism and using method thereof |
| CN105562529A (en) * | 2016-01-27 | 2016-05-11 | 太仓旺美模具有限公司 | Vehicle skylight side inclined surface punching mold |
| CN105880383A (en) * | 2016-04-27 | 2016-08-24 | 富士瑞鹄技研（芜湖）有限公司 | Mold structure for achieving top cover tail portion primary shaping and front shaping and side shaping method of mold structure |
| CN106140987A (en) * | 2016-08-31 | 2016-11-23 | 北汽福田汽车股份有限公司 | The moulding process of vehicle cladding member, mould and side mould thereof |
| CN107159797A (en) * | 2017-07-28 | 2017-09-15 | 安徽成飞集成瑞鹄汽车模具有限公司 | Binder hemmer suitable for wheel cover of automobile diel |
| CN108356095A (en) * | 2018-05-02 | 2018-08-03 | 上海实树汽车工程技术有限公司 | It is a kind of to be used to manufacture experimently the general side shaping tooling of automobile body side OTR |
| CN108435918A (en) * | 2018-05-02 | 2018-08-24 | 上海实树汽车工程技术有限公司 | A kind of general side shaping tooling for manufacturing experimently automobile head cover |
| CN109909376A (en) * | 2019-02-25 | 2019-06-21 | 奇瑞汽车股份有限公司 | Side shaping mould structure |
| CN110802167A (en) * | 2019-11-25 | 2020-02-18 | 奇瑞汽车股份有限公司 | Universal type side shaping trial-manufacturing mold |
| CN112588971A (en) * | 2020-11-20 | 2021-04-02 | 东风汽车股份有限公司 | Light truck integral side wall side shaping wedge structure and control method thereof |
| CN113441647A (en) * | 2021-06-02 | 2021-09-28 | 东风汽车集团股份有限公司 | Method and device for improving molded surface symbols of stamping part and die |
| CN115229000A (en) * | 2022-07-27 | 2022-10-25 | 中国第一汽车股份有限公司 | Split type material pressing plate, die and method for improving material pressing state of fist area of fender |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028659B (en) * | 2014-06-09 | 2016-06-08 | 安徽江淮汽车股份有限公司 | A kind of side direction feeding pressure mechanism and press tool |
| CN104028659A (en) * | 2014-06-09 | 2014-09-10 | 安徽江淮汽车股份有限公司 | Lateral pressing mechanism and stamping die |
| CN104190747A (en) * | 2014-08-12 | 2014-12-10 | 安徽江淮福臻车体装备有限公司 | Side shaping mechanism for roof skylight of automobile covering part |
| CN104624815A (en) * | 2015-02-13 | 2015-05-20 | 安徽福达汽车模具制造有限公司 | Double-movable inclined wedge forming mold of headstock cover top plate |
| CN105537399A (en) * | 2015-12-01 | 2016-05-04 | 奇瑞商用车（安徽）有限公司 | Novel four-direction wedge die mechanism and using method thereof |
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| CN106140987A (en) * | 2016-08-31 | 2016-11-23 | 北汽福田汽车股份有限公司 | The moulding process of vehicle cladding member, mould and side mould thereof |
| CN107159797A (en) * | 2017-07-28 | 2017-09-15 | 安徽成飞集成瑞鹄汽车模具有限公司 | Binder hemmer suitable for wheel cover of automobile diel |
| CN108435918A (en) * | 2018-05-02 | 2018-08-24 | 上海实树汽车工程技术有限公司 | A kind of general side shaping tooling for manufacturing experimently automobile head cover |
| CN108356095A (en) * | 2018-05-02 | 2018-08-03 | 上海实树汽车工程技术有限公司 | It is a kind of to be used to manufacture experimently the general side shaping tooling of automobile body side OTR |
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| CN109909376A (en) * | 2019-02-25 | 2019-06-21 | 奇瑞汽车股份有限公司 | Side shaping mould structure |
| CN110802167A (en) * | 2019-11-25 | 2020-02-18 | 奇瑞汽车股份有限公司 | Universal type side shaping trial-manufacturing mold |
| CN112588971A (en) * | 2020-11-20 | 2021-04-02 | 东风汽车股份有限公司 | Light truck integral side wall side shaping wedge structure and control method thereof |
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Application publication date: 20140528 |