CN205702429U - A kind of powder metallurgy forming mould of band heel teeth synchromesh gear - Google Patents
A kind of powder metallurgy forming mould of band heel teeth synchromesh gear Download PDFInfo
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- CN205702429U CN205702429U CN201620381111.6U CN201620381111U CN205702429U CN 205702429 U CN205702429 U CN 205702429U CN 201620381111 U CN201620381111 U CN 201620381111U CN 205702429 U CN205702429 U CN 205702429U
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- punching
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- fixed
- moulding section
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Abstract
This utility model provides the powder metallurgy forming mould of a kind of band heel teeth synchromesh gear, including press portion and moulding section, press portion is arranged on moulding section top, moulding section includes former, former hollow interior bottom portion is extended with center plug, being formed as filling out powder space between center plug and the medial wall of former, the top of former inwall is provided with annular breach, and the bottom filling out powder space is provided with the bottom punch that can move up and down；Press portion includes interior punching press pad, in upper, the bottom of punching press pad is fixed with interior punching, and upper interior punching is passed down through outer punching press pad, and the bottom of upper outer punching press pad is fixed with outer punching, in upper there is difference in height in the bottom of punching and the bottom of upper outer punching, and upper outer punching is suitable with annular breach.This Mold Making is simple, can molding heel teeth the demoulding rapidly.
Description
Technical field
This utility model relates to a kind of mould utilizing PM technique compacting synchromesh gear.
Background technology
Synchromesh gear is to apply one of part the most widely in machine driving, along with the development of automobile industry,
Requirement to the vitals synchromesh gear in auto pump is more and more higher, and synchromesh gear is as machinery
The advantages such as the important device in drive apparatus, has stable drive, and bearing capacity is strong.But band heel teeth synchronous gear
Wheel Mold Making difficulty, especially heel teeth not easy-formation, be difficult to the demoulding.
Utility model content
In order to solve problem present in background technology, this utility model provides a kind of band heel teeth synchromesh gear
Powder metallurgy forming mould, this Mold Making is simple, can molding heel teeth the demoulding rapidly.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
The powder metallurgy forming mould of a kind of band heel teeth synchromesh gear, including press portion and moulding section, pressure
Part processed is arranged on moulding section top, it is characterised in that
Moulding section includes that former, former have inside hollow, and the bottom within middle part is provided with open-work, in
Core rod passes from open-work and extend into inside the hollow of former, between center plug and the medial wall of former
Being formed as filling out powder space, fill out filling metallurgical powder in powder space, the top of former inwall is provided with annular breach,
The bottom filling out powder space is provided with the bottom punch that can move up and down, and the bottom of bottom punch is fixed on bottom punch pressure pad
On；Press portion includes that interior punching press pad, the bottom of upper interior punching press pad are fixed with upper interior punching by interior trim ring,
In upper, punching is passed down through outer punching press pad, and the bottom of upper outer punching press pad is fixed with upper outer punching by outer trim ring, on
The plug passage being provided centrally with hollow of interior punching, there is difference in height with the bottom of upper outer punching in the bottom of upper interior punching,
Upper outer punching is suitable with annular breach.
The bottom of described plug is fixed on plug extension bar.
The beneficial effects of the utility model are: custom-designed powder metallurgy die, and this Mold Making is simple,
Can molding heel teeth the demoulding rapidly.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further illustrated
Fig. 1 is the assembling structural representation of powder metallurgy forming mould described in the utility model；
Detailed description of the invention
This utility model is further described by explanation and detailed description of the invention below in conjunction with the accompanying drawings:
Embodiment 1
As it is shown in figure 1, the powder metallurgy forming mould of a kind of band heel teeth synchromesh gear, including press portion and
Moulding section, press portion is arranged on moulding section top, and in the drawings, top is divided into press portion, bottom
Being divided into moulding section, moulding section is with central axis as boundary, for filling out powder position, central shaft on the left of central axis
It it is shaping position on the right side of line.
Moulding section includes that former 8, former 8 have inside hollow, and the bottom within middle part is provided with open-work,
Center plug 9 passes from open-work and extend into inside the hollow of former, center plug 9 and the inner side of former 8
Being formed as between wall filling out powder space 12, fill out filling metallurgical powder in powder space 12, the top of former 8 inwall sets
Being equipped with annular breach 11, annular breach 11 is for forming the heel teeth of synchromesh gear.Fill out the bottom in powder space 12
Being provided with bottom punch 10, the bottom of bottom punch 10 is fixed on bottom punch pressure pad 14, and bottom punch 10 is along filling out powder
Space 12 moves up and down.The bottom of plug 9 is fixed on plug extension bar 13.
Press portion includes interior punching press pad 1, in the bottom of upper interior punching press pad 1 is fixed with by interior trim ring 2
Punching 3, upper interior punching 3 is passed down through outer punching press pad 4, and the bottom of upper outer punching press pad 4 is fixed by outer trim ring 5
Have a upper outer punching 7, the plug passage 7 being provided centrally with hollow of upper interior punching 3, the bottom of upper interior punching 3 with upper outside
There is difference in height in the bottom of punching 6, upper outer punching 6 is suitable with annular breach 11, after 6 times pressures of upper outer punching just
Entering in annular breach 11, it is synchromesh gear that the powder in annular breach 11 suppresses aftershaping through upper outer punching 6
Heel teeth.
It will be recognized by those skilled in the art, on the premise of without departing from protection scope of the present invention, permissible
Above-mentioned embodiment is carried out various amendment, changes and combine, and think this amendment, change and combine
Within the scope of originality thought.
Claims (2)
1. a powder metallurgy forming mould for band heel teeth synchromesh gear, including press portion and moulding section,
Press portion is arranged on moulding section top, it is characterised in that
Moulding section includes that former, former have inside hollow, and the bottom within middle part is provided with open-work, in
Core rod passes from open-work and extend into inside the hollow of former, between center plug and the medial wall of former
Being formed as filling out powder space, fill out filling metallurgical powder in powder space, the top of former inwall is provided with annular breach,
The bottom filling out powder space is provided with the bottom punch that can move up and down, and the bottom of bottom punch is fixed on bottom punch pressure pad
On；
Press portion includes that interior punching press pad, the bottom of upper interior punching press pad are fixed with upper interior punching by interior trim ring,
In upper, punching is passed down through outer punching press pad, and the bottom of upper outer punching press pad is fixed with upper outer punching by outer trim ring, on
The plug passage being provided centrally with hollow of interior punching, there is difference in height with the bottom of upper outer punching in the bottom of upper interior punching,
Upper outer punching is suitable with annular breach.
The powder metallurgy forming mould of a kind of band heel teeth synchromesh gear the most as claimed in claim 1, its feature
Being, the bottom of described plug is fixed on plug extension bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381111.6U CN205702429U (en) | 2016-04-29 | 2016-04-29 | A kind of powder metallurgy forming mould of band heel teeth synchromesh gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381111.6U CN205702429U (en) | 2016-04-29 | 2016-04-29 | A kind of powder metallurgy forming mould of band heel teeth synchromesh gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205702429U true CN205702429U (en) | 2016-11-23 |
Family
ID=57292384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381111.6U Active CN205702429U (en) | 2016-04-29 | 2016-04-29 | A kind of powder metallurgy forming mould of band heel teeth synchromesh gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205702429U (en) |
-
2016
- 2016-04-29 CN CN201620381111.6U patent/CN205702429U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |