CN205732966U - A kind of powder metallurgy die of washing machine torque axle sleeve - Google Patents
A kind of powder metallurgy die of washing machine torque axle sleeve Download PDFInfo
- Publication number
- CN205732966U CN205732966U CN201620396621.0U CN201620396621U CN205732966U CN 205732966 U CN205732966 U CN 205732966U CN 201620396621 U CN201620396621 U CN 201620396621U CN 205732966 U CN205732966 U CN 205732966U
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- punching
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- middle mold
- press
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Abstract
This utility model provides the powder metallurgy die of a kind of washing machine torque axle sleeve, it includes moulding section and press portion, the top outer of the plug of described moulding section is provided with middle mold around top, forming interspace is left between middle mold and plug, the top of middle mold is fixed with middle mold and escapes powder pad, and middle mold is escaped powder pad and one end of plug is provided with inclined plane；The bottom part ring of forming interspace is disposed with lower Nei Chong and lower outer punching around plug；Described press portion includes bonding press, the middle part of bonding press is circular hollow portion, circular hollow portion is internally provided with interior punching, in upper, punching passes from the center of upper outer punching press pad, upper interior punching is stretched out partially surrounding of outer punching press pad and is provided with outer punching, and the top of upper outer punching is fixed on the bottom of outer punching press pad.It is accurate that the washing machine torque axis set utilizing this powder metallurgy die to produce has size, precision advantages of higher.
Description
Technical field
This utility model relates to a kind of powder metallurgy die.
Background technology
Torque axle sleeve is the interior important parts being driven cylinder by electric machine rotation of washing machine, it is desirable to turn
Square axle sleeve when continuous transmission, interior external tooth form bear 20 kgfs indeformable and fracture, to product
Dimensional accuracy, surface smoothness, inside and outside profile accuracy require higher, in order to improve product profile of tooth intensity and
Hardness finally need to be to product through row Technology for Heating Processing.Because torque axle sleeve shape and structure is complicated, with traditional cutting
Processing method produces difficulty, is difficult to ensure that by casting method product size precision, therefore consideration powder metallurgy
Process manufactures this part.
Utility model content
In order to solve problem present in background technology, this utility model provides a kind of washing machine torque axle sleeve
Powder metallurgy die, it is accurate that the washing machine torque axis set utilizing this powder metallurgy die to produce has size
Really, precision advantages of higher.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
The powder metallurgy die of a kind of washing machine torque axle sleeve, including moulding section and press portion, described one-tenth
Type part includes plug extension bar and is arranged on the plug on plug extension bar top, and the top outer of plug is around top
It is provided with middle mold, between middle mold and plug, leaves forming interspace, forming interspace is filled metallurgical powder, middle mold
Top be fixed with middle mold and escape powder pad, middle mold is escaped powder pad and one end of plug is provided with inclined plane, inclined plane
Horn mouth is formed on the top making metallurgical powder；The bottom part ring of forming interspace is disposed with lower interior punching around plug
With lower outer punching, lower interior punching be close to plug arrange, lower outer punching be close to lower interior punching arrange；Described press portion includes
Bonding press, the middle part of bonding press is circular hollow portion, and the bottom in circular hollow portion is fixed with outer punching press
Pad, upper outer punching press pad is by the bottom opening closing in circular hollow portion, and being internally provided with of circular hollow portion is interior
Punching press pad, the bottom of upper interior punching press pad is provided with interior punching, and upper interior punching passes from the center of upper outer punching press pad,
Upper interior punching is stretched out partially surrounding of outer punching press pad and is provided with outer punching, and the top of upper outer punching is fixed on outer punching
The bottom of pressure pad, upper in be punched in the inside of outer punching and freely up and down slide.
The bottom of described lower interior punching is fixed on lower interior die head, and the bottom of lower outer punching is fixed on lower outer die head.
The angle of inclination of described inclined plane is 45 °.
The beneficial effects of the utility model are: utilize the washing machine torque axis that this powder metallurgy die is produced
It is accurate that set has size, precision advantages of higher.
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 die 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 die of a kind of washing machine torque axle sleeve, including moulding section and compacting
Part, moulding section is with axis as boundary, and axis left end is dress powder position, and axis right-hand member is compacting position
Put.
Moulding section includes plug extension bar 12 and is arranged on the plug 11 on plug extension bar 12 top, plug 11
Top outer is provided with middle mold 8 around top, leaves forming interspace between middle mold 8 and plug 11, and molding is empty
Filling metallurgical powder 6 in gap 11, the top of middle mold 8 is fixed with middle mold and escapes powder pad 5, and middle mold is escaped powder pad 5 and leaned on
One end of nearly plug 11 is provided with inclined plane, the angle of inclined plane 45 °.Inclined plane makes metallurgical powder 6
Horn mouth is formed on top.
The bottom part ring of forming interspace is disposed with lower interior punching 10 and lower outer punching 9, lower interior punching 10 around plug 11
Being close to plug 11 arrange, lower outer punching 9 is close to lower interior punching 10 and is arranged, and the bottom of lower interior punching 10 is fixed on lower interior
On die head 13, the bottom of lower outer punching is fixed on lower outer die head 14.
Described press portion includes that bonding press 2, the middle part of bonding press 2 are circular hollow portion, circular hollow
The bottom in portion is fixed with outer punching press pad 3, and the bottom opening in circular hollow portion is closed by upper outer pressurising pad 3, circle
Shape hollow bulb be internally provided with interior punching press pad 1, the bottom of upper interior punching press pad 1 is provided with interior punching 4, on
Interior punching 4 passes from the center of upper outer punching press pad 3, and upper interior punching 4 is stretched out outer partially surrounding of punching press pad 3 and set
Being equipped with outer punching 5, the top of upper outer punching 5 is fixed on the bottom of outer punching press pad 3, and upper interior punching 4 is in upper outer punching
Inside freely up and down slide.
During product is suppressed, center plug sets angle of elevation automatically, is also not inserted in upper outer punching
During middle mold, plug rises to seal and interior rushes plug hole, escapes powder pad by middle mold, can effectively improve epimere
Profile of tooth density, because topping tooth profile platform drop is big, is not easy to improve green density during compacting.For
Minimizing each section of density contrast, suitably adjusts middle mold amount of floating, and takes to protect the demoulding, just can suppress and meet
The pressed compact of drawing requirement.
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 (3)
1. a powder metallurgy die for washing machine torque axle sleeve, including moulding section and press portion, it is special
Levy and be:
Described moulding section includes plug extension bar and is arranged on the plug on plug extension bar top, outside the top of plug
Side ring is provided with middle mold around top, leaves forming interspace between middle mold and plug, fills metallurgy in forming interspace
Powder, the top of middle mold is fixed with middle mold and escapes powder pad, and middle mold is escaped powder pad and one end of plug is provided with inclination
Face, inclined plane makes the top of metallurgical powder form horn mouth；The bottom part ring of forming interspace sets successively around plug
Being equipped with lower Nei Chong and lower outer punching, lower interior punching is close to plug and is arranged, and lower outer punching is close to lower interior punching and is arranged；
Described press portion includes bonding press, and the middle part of bonding press is circular hollow portion, circular hollow portion
Bottom be fixed with outer punching press pad, the bottom opening in circular hollow portion is closed by upper outer punching press pad, in circle
Sky portion is internally provided with interior punching press pad, and the bottom of upper interior punching press pad is provided with interior punching, and upper interior punching is from upper
The center of outer punching press pad passes, and upper interior punching is stretched out partially surrounding of outer punching press pad and is provided with outer punching, upper outside
The top of punching is fixed on the bottom of outer punching press pad, upper in be punched in the inside of outer punching and freely up and down slide.
The powder metallurgy die of a kind of washing machine torque axle sleeve the most as claimed in claim 1, it is characterised in that
The bottom of described lower interior punching is fixed on lower interior die head, and the bottom of lower outer punching is fixed on lower outer die head.
The powder metallurgy die of a kind of washing machine torque axle sleeve the most as claimed in claim 1, it is characterised in that
The angle of inclination of described inclined plane is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396621.0U CN205732966U (en) | 2016-05-04 | 2016-05-04 | A kind of powder metallurgy die of washing machine torque axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396621.0U CN205732966U (en) | 2016-05-04 | 2016-05-04 | A kind of powder metallurgy die of washing machine torque axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205732966U true CN205732966U (en) | 2016-11-30 |
Family
ID=57372421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620396621.0U Active CN205732966U (en) | 2016-05-04 | 2016-05-04 | A kind of powder metallurgy die of washing machine torque axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205732966U (en) |
-
2016
- 2016-05-04 CN CN201620396621.0U patent/CN205732966U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |