CN203495026U - Trunk lid inner board drawing die, trunk lid inner board and automobile - Google Patents
Trunk lid inner board drawing die, trunk lid inner board and automobile Download PDFInfo
- Publication number
- CN203495026U CN203495026U CN201320625160.6U CN201320625160U CN203495026U CN 203495026 U CN203495026 U CN 203495026U CN 201320625160 U CN201320625160 U CN 201320625160U CN 203495026 U CN203495026 U CN 203495026U
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- China
- Prior art keywords
- lid inner
- drawing die
- boot
- trunk lid
- inner panel
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Abstract
The utility model discloses a trunk lid inner board drawing die, a trunk lid inner board and an automobile. The trunk lid inner board drawing die is used for solving the problem that an existing trunk lid inner board is prone to cracking and wrinkling in the process of drawing. The trunk lid inner board drawing die comprises a blank holder, an opening type parting line and an opening end. The trunk lid inner board is formed by the trunk lid inner board drawing die in a drawing mode. The automobile comprises the trunk lid inner board. The trunk lid inner board drawing die reduces the risk of wrinkling in the process of drawing, solves the problem of cracking, shortens the debugging period, improves the production efficiency and the appearance quality of products, and is suitable for drawing of various trunk lid inner boards. The trunk lid inner board is good in forming and the automobile provided with the trunk lid inner board is good in styling.
Description
Technical field
The utility model relates to a kind of boot-lid inner panel drawing die, boot-lid inner panel and automobile.
Background technology
The use of automobile is more and more general, and people are also more and more fastidious to the moulding of automobile.The cold stamping technology mode that moulding mainly adopts as automobile panel, in the face of the moulding that becomes increasingly complex with more and more during the quality requirement of harshness, has also proposed new requirement.
As shown in Figure 1, the general formula of drawing of remaining silent that adopts of the die parting line of traditional handicraft.Which is because the radian of blank holder is large, and while causing closure, poly-material is more.Meanwhile, because drawing depth is darker, usually in debugging, there is A place cracking, the wrinkling problem in B place in diagram.This problem even cannot solve, even if debugging is also out that A, B two places attenuation are extremely inhomogeneous reluctantly.Closed type structure has had a strong impact on the cycle of Design of Dies and debugging, and the quality of product.
Utility model content
An object of the present utility model is to propose a kind of boot-lid inner panel drawing die that can effectively eliminate cracking and wrinkling in drawing and moulding process.
Another object of the present utility model is to propose the boot-lid inner panel drawing die that a kind of material of controlled working effectively enters the flow velocity of drawing die.
Another object of the present utility model is to propose the good boot-lid inner panel of a kind of moulding.
Another object of the present utility model is to propose a kind of automobile that has good moulding boot-lid inner panel.
For reaching this object, on the one hand, the utility model by the following technical solutions:
A boot-lid inner panel drawing die, described drawing die comprises blank holder and die parting line, and described drawing die also comprises openend, and described die parting line is open type in described open end; The width of described openend is less than the width of processed product; Described blank holder disconnects in the position of corresponding openend.
Particularly, described drawing die comprises punch and die, and described punch and die are provided with opening part at openend respectively and supplement moulding, and described opening part supplements in moulding and forms resistance material bank.
Further, the height that opening part supplements moulding lower than processed product peak 0 to 10mm.
Further, resistance material bank exceeds processed product peak 0 to 30mm.
Further, the drafting angle of resistance material bank is 0 to 5 °.
On the other hand, the utility model is by the following technical solutions:
A boot-lid inner panel, described boot-lid inner panel is by above-mentioned boot-lid inner panel drawing die drawing and moulding.
Again on the one hand, the utility model is by the following technical solutions:
An automobile, described automobile comprises above-mentioned boot-lid inner panel.
The utility model boot-lid inner panel drawing die comprises openend, die parting line is open type in open end, plate when die and blank holder are closed is milder, thereby effectively solved because middle blank holder radian, compared with the more problem of poly-material large and that cause, has reduced and drawn wrinkling risk.Resistance material bank can be controlled flowing of material better, has solved the problem of cracking.Use this drawing die to shorten debugging cycle, improved the presentation quality of production efficiency and product, be applicable to the drawing and moulding of various boot-lid inner panels.
The utility model boot-lid inner panel is processed into by above-mentioned boot-lid inner panel drawing die, and the utility model automobile comprises above-mentioned boot-lid inner panel, and boot-lid inner panel moulding is good, good thereby the vehicle configuration of this boot-lid inner panel has been assembled in order.
Accompanying drawing explanation
Fig. 1 is existing drawing die structure schematic diagram;
Fig. 2 is the utility model preferred embodiment one structural representation;
Fig. 3 is the utility model preferred embodiment one structural representation;
Fig. 4 be in Fig. 3 A-A to cutaway view.
In figure, be labeled as:
100, die parting line; 110, opening part supplements moulding; 200, epitaxial surface; 210, resistance material bank; The height of a, resistance material bank; B, open end width; H1, opening part supplement the height of moulding; The height of H2, processed product peak; The width of L, processed product.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
Preferred embodiment one:
As shown in Figures 2 to 4, boot-lid inner panel drawing die (Drawing Die or stretching die) comprises blank holder (not shown), die parting line 100 and openend.Drawing die forms opening part at openend and supplements moulding 110.Opening part supplements moulding 110 and at least comprises resistance material bank 210 and the corresponding drawing die of opening part edge.
The die face of drawing die mainly comprises two parts: main body and supplementary moulding.On product after drawing and moulding, the part of corresponding main body has formed boot-lid inner panel, and corresponding part of supplementing moulding has formed boot-lid inner panel and supplemented moulding.In following process, boot-lid inner panel supplements moulding will be removed (pruning, deburring), and the part of reservation is only final boot-lid inner panel.
Die parting line 100 is open type in open end.The width b of openend is less than the width L of processed product.Blank holder disconnects in the position of corresponding openend.
The opening part of openend supplements moulding 110 and forms resistance material banks 210, that is, resistance material bank 210 is that the structure by punch and die corresponding position forms jointly.Opening part supplements the height H 1 of moulding 110 lower than the height H 2 of processed product peak, and this difference in height is 10mm.The height a of resistance material bank 210 exceeds the height H 2 of processed product peak, and this difference in height is 5mm.The draft angle θ of resistance material bank 210 is 5 °.
Workflow: first can make blank holder and other supplementary moulding by traditional method, then radian major part in the middle of blank holder be disconnected to the openings of sizes b that determines that opening draws.The part disconnecting forms punch as shown in Figure 2.This punch comprise one with product roughly equal altitudes epitaxial surface 200 and near the resistance material bank 210 of product, resistance material bank 210 plays a part to regulate material to flow into.
Die face is made rear importing cae analysis software and is analyzed, and optimizes the result of cae analysis by adjusting size, the height of resistance material bank 210 and the size of bead of opening.Adjust repeatedly die face and debug CAE until product reaches ideal effect.
In this preferred embodiment, the die parting line of drawing die changes both ends open into by traditional closing form and draws form, and opening part supplements moulding and forms resistance material bank simultaneously.Resistance material bank is with to draw bank effect similar, for stoping material to flow into too quickly drawing die.By opening, draw blank holder therefrom separatedly, the plate in the time of can making die and blank holder closed is milder, thereby has effectively solved because middle blank holder radian, compared with the more problem of poly-material large and that cause, has reduced and drawn wrinkling risk.Resistance material bank on punch can be controlled flowing of material better, and problem of Cracking is also resolved.Shorten debugging cycle, improved the presentation quality of production efficiency and product.
Preferred embodiment two:
The basic structure of this preferred embodiment is identical with preferred embodiment one.Opening part supplements the height H 1 of moulding lower than the height H 2 of processed product peak, and this difference in height is 0 to 10mm.The height a of resistance material bank exceeds the height H 2 of processed product peak, and this difference in height is 0 to 30mm.The draft angle θ of resistance material bank is 0 to 5 °.
Preferred embodiment three:
This preferred embodiment provides a kind of boot-lid inner panel drawing die, and this drawing die comprises blank holder, die parting line and openend.Die parting line is open type in open end.The width of openend is less than the width of processed product.Blank holder disconnects in the position of corresponding openend.
Be with the difference of preferred embodiment one or preferred embodiment two, resistance material bank is not set in this preferred embodiment drawing die, only the setting of openend is enough to reach cracking and wrinkling object in elimination drawing and moulding process.
Preferred embodiment four:
This preferred embodiment discloses a kind of boot-lid inner panel, this boot-lid inner panel arbitrary boot-lid inner panel drawing die drawing and moulding in preferred embodiment one, two or three.
Preferred embodiment five:
This preferred embodiment provides a kind of automobile, and this automobile comprises the boot-lid inner panel as shown in preferred embodiment four.
Claims (7)
1. a boot-lid inner panel drawing die, described drawing die comprises blank holder and die parting line (100), it is characterized in that, and described drawing die also comprises openend, and described die parting line is open type in described open end; The width of described openend is less than the width of processed product; Described blank holder disconnects in the position of corresponding openend.
2. boot-lid inner panel drawing die according to claim 1, it is characterized in that, described drawing die comprises punch and die, and described punch and die are provided with opening part at openend respectively and supplement moulding (110), and described opening part supplements the upper resistance material bank (210) that forms of moulding (110).
3. boot-lid inner panel drawing die according to claim 2, is characterized in that, the height that opening part supplements moulding (110) lower than processed product peak 0 to 10mm.
4. boot-lid inner panel drawing die according to claim 2, is characterized in that, resistance material bank (210) exceeds processed product peak 0 to 30mm.
5. boot-lid inner panel drawing die according to claim 2, is characterized in that, the drafting angle of resistance material bank (210) is 0 to 5 °.
6. a boot-lid inner panel, is characterized in that, described boot-lid inner panel is by the arbitrary described boot-lid inner panel drawing die drawing and moulding of claim 1 to 5.
7. an automobile, is characterized in that, described automobile comprises boot-lid inner panel as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625160.6U CN203495026U (en) | 2013-10-10 | 2013-10-10 | Trunk lid inner board drawing die, trunk lid inner board and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320625160.6U CN203495026U (en) | 2013-10-10 | 2013-10-10 | Trunk lid inner board drawing die, trunk lid inner board and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495026U true CN203495026U (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320625160.6U Expired - Fee Related CN203495026U (en) | 2013-10-10 | 2013-10-10 | Trunk lid inner board drawing die, trunk lid inner board and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110976607A (en) * | 2019-11-29 | 2020-04-10 | 安徽江淮汽车集团股份有限公司 | Drawing process die surface of automobile rear longitudinal beam stamping part and drawing die thereof |
| CN109226522B (en) * | 2018-11-20 | 2023-09-05 | 重庆平伟汽车科技股份有限公司 | Drawing die material supporting and positioning system and drawing die for inner plate of vehicle trunk |
-
2013
- 2013-10-10 CN CN201320625160.6U patent/CN203495026U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226522B (en) * | 2018-11-20 | 2023-09-05 | 重庆平伟汽车科技股份有限公司 | Drawing die material supporting and positioning system and drawing die for inner plate of vehicle trunk |
| CN110976607A (en) * | 2019-11-29 | 2020-04-10 | 安徽江淮汽车集团股份有限公司 | Drawing process die surface of automobile rear longitudinal beam stamping part and drawing die thereof |
| CN110976607B (en) * | 2019-11-29 | 2021-09-28 | 安徽江淮汽车集团股份有限公司 | Drawing process die surface of automobile rear longitudinal beam stamping part and drawing die thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20161010 |