CN205851761U - A kind of for automobile tire indent annular forging die structure - Google Patents
A kind of for automobile tire indent annular forging die structure Download PDFInfo
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- CN205851761U CN205851761U CN201620229779.9U CN201620229779U CN205851761U CN 205851761 U CN205851761 U CN 205851761U CN 201620229779 U CN201620229779 U CN 201620229779U CN 205851761 U CN205851761 U CN 205851761U
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- shell portion
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- automobile tire
- die structure
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Abstract
The utility model discloses a kind of for automobile tire indent annular forging die structure, including core roller and main mould, forging is arranged between core roller and main mould, and main mould includes upper punch and low punch；Described upper punch is coaxially disposed by frustoconical section and upper shell portion the most successively and constitutes an entirety, and the minor diameter of frustoconical section is equal to the diameter of upper shell portion；Described low punch is coaxially disposed into an entirety by frustoconical section with lower shell portion the most successively；The minor diameter of described frustoconical section is equal to the diameter of lower shell portion；The diameter of the diameter of upper shell portion etc. and lower shell portion；It it is the cylindrical section of cylindrical structure in the middle part of described core roller；It is provided with convex shoulder on described cylindrical section；The upper surface of convex shoulder is downward-sloping, and its lower surface is inclined upwardly, and the curved setting in side of described convex shoulder.This utility model is applicable to the forging of tire-mold concave shaped ring forging, can make rolling steadily, to fill type complete.
Description
Technical field
This utility model relates to fixture for concave ring forging of tire mold.It is mainly used in automobile tire mould concave shaped ring rolling
The forging of part, belongs to forging special-shape ring technical field of mold.
Background technology
The application at home and abroad of tire-mold concave shaped ring forging widely, especially has in terms of automobile tire molding
Wide prospect, is the important shaped device producing automobile tire.The processing method of tire-mold concave shaped ring forging is at present:
Use machining, machine away the material at inner ring central concave position to obtain concave step.This kind of processing method is not only processed multiple
Miscellaneous, and waste of raw materials phenomenon is serious, and production cost is higher.
Utility model content
Problem to be solved in the utility model is, for above-mentioned shortcoming of the prior art, propose improvement project or
Alternative, especially a kind of for automobile tire indent annular forging die structure.
For solving the problems referred to above, the scheme that this utility model uses is as follows: a kind of for automobile tire indent annular forging piece
Mould structure, including core roller and main mould, forging is arranged between core roller and main mould, and described main mould includes upper punch and low punch；
Described upper punch is coaxially disposed by frustoconical section and upper shell portion the most successively and constitutes an entirety, falls to cut
The minor diameter of head cone section is equal to the diameter of upper shell portion；Described low punch is the most successively by frustoconical section
It is coaxially disposed into an entirety with lower shell portion；The minor diameter of described frustoconical section is equal to the diameter of lower shell portion；
The diameter of the diameter of described upper shell portion etc. and lower shell portion；It it is the cylindrical section of cylindrical structure in the middle part of described core roller；
It is provided with convex shoulder on described cylindrical section；The upper surface of described convex shoulder is downward-sloping, and its lower surface is inclined upwardly, and described
The curved setting in side of convex shoulder.
Further, according to being used for automobile tire indent annular forging die structure, described upper punch described in above-mentioned design
The angle fallen between frustoconical section and upper shell portion of head is between 160 °～170 °.
Further, according to being used for automobile tire indent annular forging die structure, described convex shoulder described in above-mentioned design
Downward-sloping 28 °～32 ° of the upper surface in portion, and the circular arc that joint is R10 of described upper surface and cylindrical section.
Further, according to being used for automobile tire indent annular forging die structure, described convex shoulder described in above-mentioned design
The lower surface in portion is inclined upwardly 8 °～12 °, and the circular arc that joint is R10 of described lower surface and cylindrical section.
Further, according to being used for automobile tire indent annular forging die structure, described upper punch described in above-mentioned design
The frustoconical section of head and the circular arc that joint is R10 of upper shell portion.
Further, according to being used for automobile tire indent annular forging die structure, described undershoot described in above-mentioned design
The frustoconical section of head and the circular arc that joint is R10 of lower shell portion.
Technique effect of the present utility model is as follows: of the present utility model for automobile tire indent annular forging die knot
Structure, simple in construction, easy to use.Use above-mentioned fixture for concave ring forging of tire mold, tire can be processed simply
Mould concave shaped ring forging, and raw-material wasting phenomenon can be reduced, thus reduce production cost.
Accompanying drawing explanation
Fig. 1 is the main mode structure schematic diagram for automobile tire indent annular forging die structure.
Fig. 2 is the core roll structure schematic diagram for automobile tire indent annular forging die structure.
Wherein, 1 is core roller；2 is upper punch；3 is low punch；4 is cylindrical section；5 is convex shoulder；21 are down truncated cone
Section；22 is upper shell portion；31 is frustoconical section；32 is lower shell portion.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further details.
A kind of for automobile tire indent annular forging die structure, including core roller 1 and main mould, forging is arranged at core roller 1
And between main mould, it is characterised in that described main mould includes upper punch 2 and low punch 3；Described upper punch 2 is the most successively
It is coaxially disposed by frustoconical section 21 and upper shell portion 22 and constitutes an entirety, the minor diameter of frustoconical section 21
Diameter equal to upper shell portion 22；Described low punch 3 is the most successively by frustoconical section 31 and lower shell portion
32 are coaxially disposed into an entirety；The minor diameter of described frustoconical section 31 is equal to the diameter of lower shell portion 32；On described
The diameter of shell portion 22 is equal to the diameter of lower shell portion 32；It it is the cylindrical section 4 of cylindrical structure in the middle part of described core roller 1；
It is provided with convex shoulder 5 on described cylindrical section 4；The upper surface of described convex shoulder 5 is downward-sloping, and its lower surface is inclined upwardly, and
The curved setting in side of described convex shoulder 5, falling between frustoconical section 21 and upper shell portion 22 of described upper punch 2
Angle is between 160 °～170 °.
Of the present utility model for automobile tire indent annular forging die structure, simple in construction, easy to use.In employing
The fixture for concave ring forging of tire mold stated, can process tire-mold concave shaped ring forging simply, and can reduce
Raw-material wasting phenomenon, thus reduce production cost.
Above example simply elaborates ultimate principle of the present utility model and characteristic, and this utility model is not by above-mentioned example
Limiting, on the premise of without departing from this utility model spirit and scope, this utility model also has various change and change, and these become
Change and change in the range of both falling within claimed this utility model.This utility model claims scope and is wanted by appended right
Book and equivalent thereof is asked to define.
Claims (6)
1., for an automobile tire indent annular forging die structure, including core roller and main mould, forging is arranged at core roller and master
Between mould, it is characterised in that described main mould includes upper punch and low punch；Described upper punch is the most successively by butt
Cone section and upper shell portion are coaxially disposed one entirety of composition, and the minor diameter of frustoconical section is equal to upper shell portion
Diameter；Described low punch is coaxially disposed into an entirety by frustoconical section with lower shell portion the most successively；
The minor diameter of described frustoconical section is equal to the diameter of lower shell portion；The diameter of described upper shell portion etc. and lower cylinder
The diameter of section；It it is the cylindrical section of cylindrical structure in the middle part of described core roller；It is provided with convex shoulder on described cylindrical section；Described convex shoulder
The upper surface in portion is downward-sloping, and its lower surface is inclined upwardly, and the curved setting in side of described convex shoulder.
The most according to claim 1 for automobile tire indent annular forging die structure, it is characterised in that described upper punch
Reverse graft head cone section and upper shell portion between angle between 160 °～170 °.
The most according to claim 1 for automobile tire indent annular forging die structure, it is characterised in that described convex shoulder
Downward-sloping 28 °～32 ° of upper surface, and the circular arc that joint is R10 of described upper surface and cylindrical section.
The most according to claim 1 for automobile tire indent annular forging die structure, it is characterised in that described convex shoulder
Lower surface be inclined upwardly 8 °～12 °, and the circular arc that joint is R10 of described lower surface and cylindrical section.
The most according to claim 1 for automobile tire indent annular forging die structure, it is characterised in that described upper punch
The circular arc that joint is R10 falling frustoconical section and upper shell portion.
The most according to claim 1 for automobile tire indent annular forging die structure, it is characterised in that described low punch
The circular arc that joint is R10 of frustoconical section and lower shell portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620229779.9U CN205851761U (en) | 2016-03-24 | 2016-03-24 | A kind of for automobile tire indent annular forging die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620229779.9U CN205851761U (en) | 2016-03-24 | 2016-03-24 | A kind of for automobile tire indent annular forging die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205851761U true CN205851761U (en) | 2017-01-04 |
Family
ID=57642187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620229779.9U Active CN205851761U (en) | 2016-03-24 | 2016-03-24 | A kind of for automobile tire indent annular forging die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205851761U (en) |
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2016
- 2016-03-24 CN CN201620229779.9U patent/CN205851761U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |