CN219664930U - Shaping die for fender front bumper installation area - Google Patents
Shaping die for fender front bumper installation area Download PDFInfo
- Publication number
- CN219664930U CN219664930U CN202321190117.1U CN202321190117U CN219664930U CN 219664930 U CN219664930 U CN 219664930U CN 202321190117 U CN202321190117 U CN 202321190117U CN 219664930 U CN219664930 U CN 219664930U
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- China
- Prior art keywords
- pressing plate
- plate
- die
- shaping
- fender
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- 238000007493 shaping process Methods 0.000 title claims abstract description 76
- 238000009434 installation Methods 0.000 title description 7
- 238000003825 pressing Methods 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims description 28
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a shaping die for a mounting area of a front fender bumper, relates to the field of automobile part manufacturing, and solves the problems that rebound and wrinkling of a fender can occur when the traditional shaping die shapes the fender. The utility model comprises an upper die and a lower die, wherein the upper die and the lower die are buckled together, the upper die comprises an upper bottom plate, a large pressing plate and a small pressing plate, and the large pressing plate and the small pressing plate are arranged on the upper bottom plate at intervals. According to the utility model, by adding the pressing operation of the front-protection outer small pressing plate, the plate is in stretch forming in the shaping process, and the wrinkling phenomenon is eliminated; the large pressing plate and the small pressing plate are matched for pressing and forming, so that the plate forming mechanism is improved, elastic deformation is converted into plastic deformation, the rebound of a workpiece in a front protection area is effectively controlled, and the smoothness of an A-face rebound compensation die face is guaranteed.
Description
Technical Field
The utility model relates to the technical field of automobile part manufacturing, in particular to a shaping die for a fender front bumper mounting area.
Background
The fender is used as a part with more lap parts in the automobile body outer panel, the structural shape is the most complex part, and the finished product size and the finish of the finished product are definitely critical. The fender is lapped with parts such as a haircover outer plate, a front door outer plate, a side wall outer plate, a front bumper, a front headlight and the like, a wheel arch cover plate, a threshold ornamental plate and the like, the requirement on the dimensional accuracy of a lap joint surface is high, a matching gap is small, the fender is positioned at a 45-degree angle at the front side of the whole automobile, and the side direction vision is most sensitive, so that the appearance quality of the fender directly influences the perception quality of consumers.
The traditional fender front protection process comprises drawing, trimming and shaping, and in the shaping process, the traditional shaping die structure comprises an upper bottom plate, a material pressing plate, a shaping insert, a male die and a lower bottom plate. In the overlapping area of the fender and the front bumper, after flanging and shaping, the phenomena of rebound warping of the A face, wrinkling of the front security face and the like usually exist, and the phenomena are mainly caused by instability of the plate in the shaping process. The root fillet of the shaping insert firstly contacts the plate material in the shaping process, and the shape of the root product cannot be kept in an equal-depth structure due to the front protection of the fender, so that the root cannot be simultaneously touched, and the plate material is wrinkled in the shaping process. Because the two-layer step structure of the front vertical protection wall is characterized in that the root part of the insert pushes the plate to downwards shape in the whole forming process, the plate is in a free state in the forming process, the forming change is more elastic deformation, after the external force is relieved, the internal stress is released, so that the front vertical protection A surface and the flange generate larger rebound, the positive and negative difference value of the rebound reaches 8mm, the front vertical protection A surface width of the fender is about 280mm, and the rebound correction in a narrower area is very difficult. The size of the fender front protection area is unstable, the later field debugging and rectifying period is long, and huge manpower and equipment resources are consumed.
Disclosure of Invention
The utility model aims to solve the problems that rebound and wrinkling occur in the fender when the traditional shaping die is used for shaping the fender, and provides the shaping die for the front bumper installation area of the fender, wherein the plate is in stretch forming in the shaping process by adding the material pressing operation of the front protection outer side small material pressing plate, so that the wrinkling phenomenon is eliminated; the large pressing plate and the small pressing plate are matched for pressing and forming, so that the plate forming mechanism is improved, elastic deformation is converted into plastic deformation, the rebound of a workpiece in a front protection area is effectively controlled, and the smoothness of an A-face rebound compensation die face is guaranteed.
The utility model provides a shaping die for a fender front bumper installation area, which specifically comprises an upper die and a lower die, wherein the upper die and the lower die are buckled together, the upper die comprises an upper bottom plate, a large pressing plate and a small pressing plate, and the large pressing plate and the small pressing plate are installed on the upper bottom plate at intervals.
Further, the large pressing plate is mounted on the upper base plate through a buffering limit screw.
Further, the stroke of the large pressing plate is 70mm, and the stroke of the buffering limit screw is 92mm.
Further, the small pressing plate is mounted on the upper base plate through a material returning plate screw.
Further, the stroke of the small pressing plate is 70mm, and the stroke of the screw of the material returning plate is 87mm.
Further, the upper die further comprises a shaping insert, and the shaping insert is arranged on the upper base plate and is positioned between the large pressing plate and the small pressing plate.
Still further, the left end of the shaping insert is in contact with a large hold-down plate and the right end is in contact with a small hold-down plate.
Further, the lower die comprises a lower base plate and a male die, and the male die is mounted on the lower base plate.
Still further, the male die mates with a large platen, a sizing insert, and a small platen.
The shaping die for the fender front bumper installation area has the beneficial effects that:
(1) According to the shaping die for the mounting area of the front fender bumper, the problem that the fender is rebounded and wrinkled when the traditional shaping die is used for shaping the fender is solved, the phenomenon that only a large pressing plate of the traditional front protection shaping structure is used for pressing materials, and the instability and the severe wrinkling of the plate material in the shaping process are avoided, the plate material is always in a clamping and stretching state in the shaping process through the pressing of the large pressing plate and the small pressing plate together, the plate material compressive stress is reduced, the plate material has no obvious wrinkling phenomenon, and the matching precision of the fender and the front fender is improved; by changing the elastic deformation of the sheet material of the traditional shaping structure, the plastic deformation in the shaping process is increased, the rebound quantity of the front protection area is effectively controlled, and the dimensional accuracy of the workpiece is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic view of a conventional shaping mold mentioned in the background art;
FIG. 2 is a schematic diagram of a sheet shaping process by a conventional shaping die as mentioned in the background;
FIG. 3 is a schematic diagram of the state change of a sheet material when the sheet material is shaped by a conventional shaping mold mentioned in the background art;
FIG. 4 is a graph showing the rebound amount of a sheet after the sheet is reshaped by a conventional reshaping die as mentioned in the background art;
FIG. 5 is a schematic view of a front fender bumper mounting area shaping mold according to the present utility model;
fig. 6 is a schematic view of a fender structure of a front fender bumper mounting area shaping mold according to the present utility model;
FIG. 7 is a schematic diagram of a shaping process of a plate by a shaping die for a front fender bumper mounting area according to the present utility model;
FIG. 8 is a schematic diagram showing the state change of a plate when the plate is reshaped by a shaping die for a front fender bumper mounting area according to the present utility model;
FIG. 9 is a graph showing the rebound amount of a sheet after the sheet is reshaped by a shaping die for a front fender bumper mounting area according to the present utility model;
wherein: 1-upper bottom plate, 2-large pressing plate, 3-small pressing plate, 4-shaping insert, 5-lower bottom plate, 6-male die and 7-pressing plate.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings:
the first embodiment is as follows: the present embodiment is specifically described with reference to fig. 1 to 9. The shaping die for the fender front bumper installation area specifically comprises an upper die and a lower die, wherein the upper die and the lower die are buckled together, the upper die comprises an upper bottom plate 1, a large pressing plate 2 and a small pressing plate 3, and the large pressing plate 2 and the small pressing plate 3 are installed on the upper bottom plate 1 at intervals.
The large pressing plate 2 is mounted on the upper base plate 1 through a buffering limit screw. The stroke of the large pressing plate 2 is 70mm, and the stroke of the buffering limit screw is 92mm.
The small pressing plate 3 is arranged on the upper base plate 1 through a material returning plate screw. The stroke of the small pressing plate 3 is 70mm, and the stroke of the screw of the material returning plate is 87mm.
The upper die further comprises a shaping insert 4, and the shaping insert 4 is arranged on the upper base plate 1 and positioned between the large pressing plate 2 and the small pressing plate 3. The left end of the shaping insert 4 is contacted with the large pressing plate 2, and the right end is contacted with the small pressing plate 3.
The lower die comprises a lower base plate 5 and a male die 6, wherein the male die 6 is arranged on the lower base plate 5. The male die 6 is matched with the large pressing plate 2, the shaping insert 4 and the small pressing plate 3.
The concrete working process of the shaping die for the fender front bumper installation area is as follows:
the technological scheme of the front protection area of the fender is drawing, pre-trimming, shaping and finishing, and the determination of the front protection pre-trimming position is based on the simulation analysis of the position of the plate material receiving the supplementary plane edge of the drawing process after the shaping of the workpiece, so that the small material pressing plate and the lower punch molded surface are always in a material clamping state.
As shown in fig. 7 and 8, the shaping insert 4 descends along with the upper base plate 1, the large pressure plate 2 contacts with the male die 6 before the die is closed for 92mm, the large pressure plate 2 continues to descend, the small pressure plate 3 contacts with the male die 6 for 87mm before the die is closed, the large pressure plate 2 is provided with 28 tons of pressure force by a nitrogen cylinder to act on the male die 6, the small pressure plate 3 is provided with 1.5 tons of pressure force to act on the male die 6, and at the moment, the large pressure plate 2 and the small pressure plate 3 compress the plate material back and forth. 56mm before the mold is closed, the shaping insert 4 contacts the plate material, the fender front protection part starts to be deep-drawn and shaped until the final shaping of the workpiece is finished, and the mold is closed. After shaping, the longitudinal positive and negative difference was 4mm as shown in fig. 9.
According to the shaping die for the mounting area of the front fender bumper, disclosed by the utility model, the problems that rebound and wrinkling occur to the fender when the traditional shaping die is used for shaping the fender are solved, the phenomenon that only a large pressing plate of the traditional front fender shaping structure is used for pressing materials, and the instability and the severe wrinkling of the plate are caused in the shaping process is avoided, the plate is always in a clamping and stretching state in the shaping process through the pressing of the large pressing plate and the small pressing plate, the plate compressive stress is reduced, the plate has no obvious wrinkling phenomenon, and the matching precision of the fender and the front bumper is improved; by changing the elastic deformation of the sheet material of the traditional shaping structure, the plastic deformation in the shaping process is increased, the rebound quantity of the front protection area is effectively controlled, and the dimensional accuracy of the workpiece is ensured.
The above specific embodiments are used for further detailed description of the objects, technical solutions and advantageous effects of the present utility model. It should be understood that the foregoing description is only a specific example of the present utility model, and is not intended to limit the utility model, but rather is a reasonable combination of features described in the foregoing embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Claims (9)
1. The utility model provides a fender front bumper installs regional plastic mould, its characterized in that: the die comprises an upper die and a lower die, wherein the upper die and the lower die are buckled together, the upper die comprises an upper bottom plate (1), a large pressing plate (2) and a small pressing plate (3), and the large pressing plate (2) and the small pressing plate (3) are installed on the upper bottom plate (1) at intervals.
2. The fender front bumper mounting region shaping mold of claim 1, wherein: the large pressing plate (2) is mounted on the upper base plate (1) through a buffering limit screw.
3. The fender front bumper mounting region shaping mold of claim 2, wherein: the stroke of the large pressing plate (2) is 70mm, and the stroke of the buffering limit screw is 92mm.
4. A fender front bumper mounting region shaping mold according to claim 1, 2 or 3, wherein: the small pressing plate (3) is arranged on the upper base plate (1) through a material returning plate screw.
5. The fender front bumper mounting region shaping mold of claim 4, wherein: the stroke of the small pressing plate (3) is 70mm, and the stroke of the screw of the material returning plate is 87mm.
6. The fender front bumper mounting region shaping mold of claim 1, 2, 3 or 5, wherein: the upper die further comprises a shaping insert (4), and the shaping insert (4) is arranged on the upper base plate (1) and positioned between the large material pressing plate (2) and the small material pressing plate (3).
7. The fender front bumper mounting region shaping mold of claim 6, wherein: the left end of the shaping insert (4) is contacted with the large pressing plate (2), and the right end of the shaping insert is contacted with the small pressing plate (3).
8. The fender front bumper mounting region shaping mold of claim 1, 2, 3, 5 or 7, wherein: the lower die comprises a lower base plate (5) and a male die (6), and the male die (6) is arranged on the lower base plate (5).
9. The fender front bumper mounting region shaping mold of claim 8, wherein: the male die (6) is matched with the large pressing plate (2), the shaping insert (4) and the small pressing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190117.1U CN219664930U (en) | 2023-05-17 | 2023-05-17 | Shaping die for fender front bumper installation area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321190117.1U CN219664930U (en) | 2023-05-17 | 2023-05-17 | Shaping die for fender front bumper installation area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219664930U true CN219664930U (en) | 2023-09-12 |
Family
ID=87896455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321190117.1U Active CN219664930U (en) | 2023-05-17 | 2023-05-17 | Shaping die for fender front bumper installation area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219664930U (en) |
-
2023
- 2023-05-17 CN CN202321190117.1U patent/CN219664930U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |