CN218486974U - Plate clamping and drawing device based on automobile panel die - Google Patents
Plate clamping and drawing device based on automobile panel die Download PDFInfo
- Publication number
- CN218486974U CN218486974U CN202221723634.6U CN202221723634U CN218486974U CN 218486974 U CN218486974 U CN 218486974U CN 202221723634 U CN202221723634 U CN 202221723634U CN 218486974 U CN218486974 U CN 218486974U
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- 238000003825 pressing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 18
- 238000007493 shaping process Methods 0.000 abstract description 13
- 238000000465 moulding Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 16
- 239000011230 binding agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
The utility model discloses a plate presss from both sides material drawing device based on automobile panel mould belongs to the machine-building field, including work piece, top board, blank holder, last mould and lower mould, the work piece places shaping portion including compressing tightly portion and shaping portion on the lower mould, goes up the mould and places in shaping portion top, and the portion that compresses tightly is placed on the blank holder, and the top board setting is in the portion top that compresses tightly. The utility model discloses a characteristics are add an upper board in drawing the device body, exert the restraint for the work piece through the upper board, become the part molding downwards earlier with the work piece when drawing at the beginning, thereby control too much material and reduce flowing and eliminate too much material and pile up, prevent that the fold from appearing in the drawing process in the tablet, can solve the problem that produces the fold in the drawing process of special shape product, and the plate rebound volume after drawing is little, and the production precision is high, and the face article is of high quality.
Description
Technical Field
The utility model belongs to the machine-building field especially involves a plate presss from both sides material drawing device based on automobile panel mould.
Background
Automotive body panels are generally divided into inner and outer panels. The rapid upgrading and updating of the automobile also brings more and more difficulty to the stamping process of the automobile covering part. Along with the rapid development of economy, the competition among the automobile enterprises is more and more intense, the production period of an automobile die is shorter and shorter along with the replacement of an automobile, the precision requirement of the produced product is higher and higher, the model difference of an automobile body covering part is extremely large due to the difference of the position and the function of the automobile body, and the production difficulty of stamping parts is increased. The automobile covering parts mainly comprise hair covers, wheel covers, C-pillar inner and outer plates, top covers, floors, front wall plates, middle channels, side walls and the like. In the forming process of covering part products, due to the complex deformation condition of each part and the inconsistent inflow of plates, the phenomena of tension crack, corrugation and the like are easy to occur, the required quality of the surface of the covering part products is higher and higher, the dimensional requirements of the products are met, the appearance is attractive, and particularly, the requirements of the outer covering part of an automobile on the quality of the product surface products are very high.
The manufacturing process of the automobile covering part generally comprises 5 steps of drawing, trimming, flanging and shaping and punching. The automobile covering part is easy to wrinkle and crack in the drawing process. The reason is that the material sheet inflow amount is different in the drawing process, in addition, the product molding also influences the molding state, if the material sheet is more than the molding in the drawing and molding process of the covering product, redundant material is generated after molding, and excessive material sheets are accumulated to cause wrinkling.
Therefore, a novel technical scheme is needed in the prior drawing process technology to solve the problem that products with special shapes are difficult to form.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a plate presss from both sides material drawing device based on automobile panel mould, through top board and blank holder clamping workpiece, change this drawing process for one-way shaping into controllable two-way drawing process more.
For solving the technical problem, the utility model discloses a work piece, top board, blank holder, go up mould and lower mould, the work piece is including compressing tightly portion and shaping portion, place on the lower mould shaping portion, it places to go up the mould shaping portion top, it places to compress tightly the portion the blank holder circles, the top board sets up compress tightly the portion top.
According to the utility model discloses a some embodiments, the top board with blank holder cooperation centre gripping the portion that compresses tightly.
According to some embodiments of the utility model, the top board is formed with the arch, be formed with sunken on the blank holder, the arch of top board with the sunken fitting of blank holder.
According to the utility model discloses a some embodiments, go up the mould with lower mould shape fit, the cooperation centre gripping the shaping.
The utility model has the advantages that: the utility model discloses add an top board in drawing the device body, exert the restraint for the work piece through the top board, become the part molding downwards earlier with the work piece when drawing at the beginning, thereby control too much material and reduce flowing and eliminate too much material and pile up, prevent that the fold from appearing in the tablet drawing process.
The utility model discloses under the condition that does not influence the work piece formability of drawing the preface, attenuate rate principal strain etc. can eliminate the problem of corrugating.
Some special shape products use general drawing process because of the molding restriction extremely easily takes place the condition of seriously corrugating, unable shaping or be difficult to the shaping, and use the utility model discloses can solve the drawing process of this kind of special shape product, and the plate rebound volume after drawing is little, and the production precision is high, and the flour product is of high quality.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an overall structure according to a preferred embodiment of the present invention.
In the figure: 1. a workpiece; 2. an upper pressure plate; 3. a blank holder; 4. an upper die; 5. and (5) a lower die.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the drawing process, the traditional scheme is to change the drawing bead, the process supplement modeling and the blank holder 3 modeling to improve the wrinkling problem, but for products with special shapes, the wrinkling problem cannot be solved only by adjusting the process supplement modeling, so the scheme using the design can create a material clamping and drawing state and eliminate the wrinkling of the products by increasing the die structure on the basis of the traditional drawing modeling.
In order to solve the technical problem, the utility model discloses a top board 2 and 3 centre gripping work pieces 1 of blank holder change this drawing process for one-way shaping into controllable two-way drawing process.
Referring to fig. 1, the present invention includes a workpiece 1, an upper platen 2, a blank holder 3, an upper mold 4 and a lower mold 5, the workpiece 1 includes a pressing portion and a forming portion, the forming portion is disposed on the lower mold 5, the upper mold 4 is disposed above the forming portion, the pressing portion is disposed on the blank holder 3, and the upper platen 2 is disposed above the pressing portion.
In at least one embodiment, the upper pressing plate 2 and the blank holder 3 are matched to clamp a pressing part, so that a clamping friction force is generated, and the workpiece 1 is restrained.
In at least one embodiment, upper platen 2 is formed with protrusions and binder 3 is formed with depressions, and the protrusions of upper platen 2 fit into the depressions of binder 3, such that the flow of stock material is fixed by pressing the hold-down out of the depressions.
In at least one embodiment, the upper mold 4 and the lower mold 5 are matched in shape to clamp the forming part, and the upper mold and the lower mold form the forming part.
When the utility model is used, the utility model,
the utility model discloses add an upper press plate 2 on draw die's blank holder 3, grasp 1 piece of work piece through upper press plate 2, produce centre gripping frictional force, exert the restraint for 1 piece of work piece through upper press plate 2, with work piece 1 earlier down one-tenth part molding when drawing the beginning, thereby control too much material and reduce to flow and eliminate too much material and pile up, prevent that the fold from appearing at the drawing in-process of tablet, after exerting the restraint to technology supplementary tablet, can begin to draw the shaping.
When in drawing forming, the edge of the forming part of the workpiece 1 is bent by matching the edge of the upper die 4 with the blank holder 3, and after the upper die 4 and the blank holder 3 are clamped, the upper die 4 and the lower die 5 are matched to clamp the forming part of the drawn workpiece 1.
The flow of the material sheet of the workpiece 1 can be reduced during drawing, the accumulation wrinkling phenomenon caused by excessive material flow can be controlled, the scheme does not influence the material utilization rate of the product, and the wrinkling problem of the product with a special shape, which cannot be processed by the traditional drawing scheme, can be solved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The plate clamping and drawing device based on the automobile panel die is characterized by comprising a workpiece (1), an upper pressing plate (2), a blank holder (3), an upper die (4) and a lower die (5), wherein the workpiece (1) comprises a pressing part and a forming part, the forming part is placed on the lower die (5), the upper die (4) is placed above the forming part, the pressing part is placed on the blank holder (3), and the upper pressing plate (2) is arranged above the pressing part;
the upper pressing plate (2) and the blank holder (3) are matched to clamp the pressing part;
the upper pressing plate (2) is provided with a bulge, the blank holder (3) is provided with a recess, and the bulge of the upper pressing plate (2) is fitted with the recess of the blank holder (3).
2. The automobile panel die-based plate clamping and drawing device as claimed in claim 1, wherein the upper die (4) and the lower die (5) are matched in shape to clamp the forming part in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221723634.6U CN218486974U (en) | 2022-07-06 | 2022-07-06 | Plate clamping and drawing device based on automobile panel die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221723634.6U CN218486974U (en) | 2022-07-06 | 2022-07-06 | Plate clamping and drawing device based on automobile panel die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218486974U true CN218486974U (en) | 2023-02-17 |
Family
ID=85184756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221723634.6U Active CN218486974U (en) | 2022-07-06 | 2022-07-06 | Plate clamping and drawing device based on automobile panel die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218486974U (en) |
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2022
- 2022-07-06 CN CN202221723634.6U patent/CN218486974U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Plate Clamping and Drawing Device Based on Automotive Cover Mold Effective date of registration: 20231222 Granted publication date: 20230217 Pledgee: Industrial and Commercial Bank of China Limited Liaoyuan Branch Pledgor: GZ TOOLING GROUP AUTOMOBILE TECHNOLOGY Co.,Ltd. Registration number: Y2023220000143 |