CN201841635U - Injection mold for cover plate of automotive steering wheel - Google Patents
Injection mold for cover plate of automotive steering wheel Download PDFInfo
- Publication number
- CN201841635U CN201841635U CN2010205599736U CN201020559973U CN201841635U CN 201841635 U CN201841635 U CN 201841635U CN 2010205599736 U CN2010205599736 U CN 2010205599736U CN 201020559973 U CN201020559973 U CN 201020559973U CN 201841635 U CN201841635 U CN 201841635U
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- mold
- cover plate
- cover half
- tear line
- static
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Abstract
The utility model discloses an injection mold for a cover plate of an automotive steering wheel, which comprises a static mold and a dynamic mold. A combination surface is arranged between the static mold and the dynamic mold, the top part of the static mold is provided with a tearing line bulge, and the part of the combination surface on the static mold is provided with a cutting layer. The cutting layer is 0.1mm -1mm thick. Since the part of the combination surface on the static mold is provided with the cutting layer, the distance between the top end of the tearing line bulge on the static mold and a textured surface can satisfy the specified requirements through cutting the cutting layer to be of the same thickness when the distance is increased after etching of the inner surface of the dynamic mold of the sample mold.
Description
Technical field
The utility model relates to a kind of auto-parts mfg. moulding die, relates to a kind of injection mould that the vehicle steering cover plate is made that is used for specifically.
Background technology
Existing vehicle steering cover plate; usually adopt engineering plastics injection molded; owing to also be provided with air bag usually in the vehicle steering; cover plate is at ordinary times also with the effect of the over cap of air bag; airbag inflated when automobile generation strong collision ejects the tear line bursting on the cover plate outside the cover plate.Its injection mold has a cover half and a dynamic model usually, on its cover half, be provided with cover plate tear line projection, when the faying face of fixed half and moving half sturdy and to mold in carry out injection moulding, mould promptly forms a vehicle steering cover plate with tear line after opening the demoulding then.Because the positive processing dermatoglyph that needs usually of cover plate, existing vehicle steering cover plate injection mould is adding man-hour, usually press earlier the size of cover plate and make a sample mold, after treating that the sample mold injection moulding is qualified, inner surface at cover half carries out acid etching, form the dermatoglyph face then, cause the top of the tear line projection on the dynamic model and the distance of dermatoglyph face to increase, at this moment, usually adopt the layer of material that on the tear line projection, freezes, make the top of the tear line projection on the cover half and the distance requirement up to specification of dermatoglyph face.Adopt this mode that freezes processing time consuming on the one hand, simultaneously, because the high temperature that produces when freezing makes tear line compacting projection deform easily, when serious even cause scrapping of whole secondary mould.
The utility model content
For overcoming above-mentioned defective, the utility model aims to provide a kind of easy to process, can guarantee the injection mould that the vehicle steering cover plate is made that is used for of die quality simultaneously again.
For achieving the above object, the technical solution adopted in the utility model is: a kind of vehicle steering cover plate injection mould, comprise fixed half and moving half, between cover half and dynamic model, has faying face, the top of cover half is provided with the tear line projection, faying face place at fixed half and moving half has cutting lay, and the thickness of cutting lay is the 0.1-1 millimeter.
Adopted vehicle steering cover plate injection mould of the present utility model, because the faying face place on cover half is provided with cutting lay, after the inner surface at the cover half of sample mold carries out acid etching, the distance that increases between the top of the tear line projection on the cover half and the dermatoglyph face, can reach the top of the tear line projection that makes on the cover half and the distance requirement up to specification of dermatoglyph face by the mode of the same thickness of cutting lay machining.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1-cover half, 2-dynamic model, 3-faying face, 4-tear line projection, 5-cutting lay, 6-dermatoglyph face.
The specific embodiment
As shown in Figure 1, the utility model discloses a kind of vehicle steering cover plate injection mould, comprise cover half 1 and dynamic model 2, has faying face 3 between described cover half 1 and the dynamic model 2, the top of described cover half 1 is provided with tear line projection 4, existing vehicle steering cover plate injection mould needs at tear line projection 4 layer of material that freezes, with the distance increase between the top that replenishes the tear line projection 4 that causes because of acid etching one deck dermatoglyph face 6 on the dynamic model 2 and the dermatoglyph face 6.
Innovative point of the present utility model is that mainly faying face 3 places on the described cover half 1 have cutting lay 5.When behind acid etching one deck dermatoglyph face 6 on the dynamic model 2, can make the top of tear line projection 4 and the requirement that the distance between the dermatoglyph face 6 reaches regulation, the consistency of thickness of acid etching dermatoglyph face 6 on the thickness of cutting of cutting lay 5 and the dynamic model 2 by the certain thickness of cutting cutting lay 5.
The thickness of described cutting lay 5 is the 0.1-1 millimeter.The thickness of cutting lay 5 depends on the thickness of acid etching dermatoglyph face 6 on the dynamic model 2.
Claims (2)
1. vehicle steering cover plate injection mould, comprise cover half (1) and dynamic model (2), between cover half (1) and dynamic model (2), has faying face (3), at the top of cover half (1) tear line bulge-structure (4) is arranged, it is characterized in that the faying face (3) on the described cover half (1) locates to have cutting lay (5).
2. vehicle steering cover plate injection mould according to claim 1, the thickness that it is characterized in that described cutting lay (5) is the 0.1-1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205599736U CN201841635U (en) | 2010-10-13 | 2010-10-13 | Injection mold for cover plate of automotive steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205599736U CN201841635U (en) | 2010-10-13 | 2010-10-13 | Injection mold for cover plate of automotive steering wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201841635U true CN201841635U (en) | 2011-05-25 |
Family
ID=44036539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205599736U Expired - Fee Related CN201841635U (en) | 2010-10-13 | 2010-10-13 | Injection mold for cover plate of automotive steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201841635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014804A (en) * | 2018-06-29 | 2018-12-18 | 佛山市南海华达高木模具有限公司 | Automobile air operculum is precisely controlled production technology |
-
2010
- 2010-10-13 CN CN2010205599736U patent/CN201841635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014804A (en) * | 2018-06-29 | 2018-12-18 | 佛山市南海华达高木模具有限公司 | Automobile air operculum is precisely controlled production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG CENTURY HUATONG GROUP CO., LTD. Free format text: FORMER NAME: ZHEJIANG CENTURY HUATONG AUTOMOTIVE PART CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 312300 Zhejiang Province, Shaoxing city Shangyu district city street 439 people Road Patentee after: ZHEJIANG CENTURY HUATONG AUTOMOTIVE PART CO., LTD. Address before: City Street Road 312300 people in Zhejiang Province, Shangyu City, No. 439 Patentee before: Zhejiang Century Huatong Automotive Part Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20181013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |