CN206415596U - A kind of mould for compressing engine oil pump shaft sleeve soft paste - Google Patents
A kind of mould for compressing engine oil pump shaft sleeve soft paste Download PDFInfo
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- CN206415596U CN206415596U CN201621435705.7U CN201621435705U CN206415596U CN 206415596 U CN206415596 U CN 206415596U CN 201621435705 U CN201621435705 U CN 201621435705U CN 206415596 U CN206415596 U CN 206415596U
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- punch
- undershoot
- soft paste
- mould
- core bar
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Abstract
A kind of mould for compressing engine oil pump shaft sleeve soft paste, it is characterised in that：Including upper die punch, former and bottom punch head；Upper die punch includes upper tringle body and upper punch, and upper punch is arranged with a round recessed；Former is tubular body, and center offers cavity impression, and the side wall of cavity impression is hard alloy layer；Bottom punch head includes outer undershoot, interior undershoot and core bar, and three's ecto-entad is arranged successively and gap coordinates；The side wall of the outer wall laminating cavity impression of outer undershoot；The height of bottom punch head is more than the height of cavity impression.Compared to existing technologies, the center of the utility model upper die punch, cavity impression and bottom punch head is on same straight line, and the soft paste even density and surface smoothness processed is high, the quality better of product, and eliminate test, adjust the time of mould, it is simple and practical.
Description
Technical field
The utility model is related to powder metallurgical technology, and in particular to a kind of for compressing engine oil pump shaft sleeve soft paste
Mould.
Background technology
Engine oil pump shaft sleeve is a kind of hart metal product, as a kind of part of engineering machinery, for oil drilling equipment
In the bearing of oil pump.Because hardness and Structural strength calls are higher, therefore the soft paste making of engine oil pump shaft sleeve requires high.
To ensure the structural strength of axle sleeve, the mould of technique and compacting to compacting requires all very high, especially suppressed
Mould.Prior art exist deficiency be：On the one hand because the design of mould is not good enough, the soft paste suppressed has Density Distribution
The uneven and out-of-proportion situation of compression occurs, or influences the quality of the axle sleeve after sintering, or the scene for occurring chip off-falling to cause nothing
Method is sintered；On the other hand the center of several big constituent components of mould is difficult to ensure that on same straight line, and then is difficult to ensure that pressure
There is higher flatness on the soft paste surface made；Therefore need to test repeatedly, adjust mould.If die adjustment is bad, not only
The flatness of axle sleeve soft paste is difficult to ensure that, and the problem of uneven Density Distribution of soft paste and disproportionate compression can be caused.
Therefore, the deficiency that above-mentioned prior art is present how is solved, is become as the class to be researched and solved of the utility model
Topic.
The content of the invention
The purpose of this utility model is to provide a kind of mould for compressing engine oil pump shaft sleeve soft paste.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of mould for compressing engine oil pump shaft sleeve soft paste, the axle sleeve soft paste includes a cylindrical body and in cylinder
A cap body from shape main body upper end to circumferentially extending；
The mould includes upper die punch, former and bottom punch head；
The upper die punch includes a rigid upper tringle body of cylinder and welding is fixedly arranged on tringle body bottom on this
One cylindrical hard alloy upper punch, the upper tringle body is used for the up-down mechanism for connecting a press, the upper punch
Trapezoidal round recessed is in the concave up longitudinal section that is provided with of lower surface；
The former is the open tubular body of a rigid upper and lower ends, and the center of tubular body opens up for one in above-below direction
Cavity impression, the side wall of the cavity impression is the hard alloy layer being fixedly arranged in tubular body；
The bottom punch head includes outer undershoot, interior undershoot and core bar；The outer undershoot and interior undershoot are tubular body, institute
Core bar is stated for the cylindrical, massive body of rod, and outer undershoot, interior undershoot and core bar ecto-entad are arranged successively and gap coordinates；It is described
Core bar bottom is fixedly arranged on the frame of press；
The side wall of the outer wall laminating cavity impression of the outer undershoot；During compacted products, the top end face patch of the core bar
Close the upper punch of the upper die punch, the inwall of the outer wall of the core bar and outer undershoot defines the tubular master to form axle sleeve soft paste
Body, the top end face of the round recessed of the upper punch and the outer undershoot coordinates the cap body of the compacting axle sleeve soft paste, it is described it is interior under
The top end face of punching coordinates the bottom surface of the upper punch compacting axle sleeve soft paste；
Wherein, the height of the bottom punch head is more than the height of cavity impression.
Relevant content in above-mentioned technical proposal is explained as follows：
1. in such scheme, " the side wall of cavity impression is the hard alloy layer being fixedly arranged in tubular body " is designed whereby,
The side wall of cavity impression can be made durable in use not easy to wear, it is ensured that also have very high precision after suppressing for a long time and reliable
Property.
2. in such scheme, " the side wall of the outer wall laminating cavity impression of outer undershoot "；Design whereby, it is ensured that under
The center line of stamping head and cavity impression is on the same line.
3. in such scheme, the bottom of the outer undershoot is provided with one to the base for radially extending setting, to decline when former
To after extreme position, against the bottom of spacing former.
Utility model works principle and advantage are as follows：
A kind of mould for compressing engine oil pump shaft sleeve soft paste of the utility model, including upper die punch, former and under
Stamping head；Upper die punch includes upper tringle body and upper punch, and upper punch is arranged with a round recessed；Former is tubular body, and center is opened
Provided with cavity impression, the side wall of cavity impression is hard alloy layer；Bottom punch head includes outer undershoot, interior undershoot and core bar, three
Person's ecto-entad is arranged successively and gap coordinates；The side wall of the outer wall laminating cavity impression of outer undershoot；The height of bottom punch head is big
In the height of cavity impression.Compared to existing technologies, the center of the utility model upper die punch, cavity impression and bottom punch head
On same straight line, the soft paste even density and surface smoothness processed is high, the quality better of product, and eliminates survey
It is examination, the time of adjustment mould, simple and practical.
Brief description of the drawings
Accompanying drawing 1 is the utility model embodiment cross-sectional view；
Accompanying drawing 2 is the decomposition explosion figure of the utility model embodiment upper die punch, axle sleeve soft paste and former；
Accompanying drawing 3 is the decomposition explosion figure of the utility model embodiment bottom punch head.
In the figures above：1. axle sleeve soft paste；11. cylindrical body；12. cap body；2. upper die punch；21. on tringle body；22.
Upper punch；23. round recessed；3. former；31. cavity impression；32. hard alloy layer；4. bottom punch head；41. outer undershoot；42. in
Undershoot；43. core bar.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment：Referring to shown in accompanying drawing 1~3, a kind of mould for compressing engine oil pump shaft sleeve soft paste, the axle sleeve is soft
Base 1 include a cylindrical body 11 and a cap body 12 from the upper end of cylindrical body 11 to circumferentially extending；
The mould includes upper die punch 2, former 3 and bottom punch first 4；
The upper die punch 2 includes a rigid upper tringle body 21 of cylinder and welding is fixedly arranged on this under tringle body 21
The cylindrical hard alloy upper punch 22 of the one of portion, the upper tringle body 21 is used for the up-down mechanism for connecting a press, described
Trapezoidal round recessed 23 is in the concave up longitudinal section that is provided with of the lower surface of upper punch 22；
The former 3 is the open tubular body of a rigid upper and lower ends, and the center of tubular body is opened for one in above-below direction
If cavity impression 31, the side wall of the cavity impression 31 is the hard alloy layer 32 being fixedly arranged in tubular body；
The bottom punch first 4 includes outer undershoot 41, interior undershoot 42 and core bar 43；The outer undershoot 41 and interior undershoot 42 are equal
For tubular body, the core bar 43 is the cylindrical, massive body of rod, and outer undershoot 41, interior undershoot 42 and the ecto-entad of core bar 43 are successively
It is arranged and gap coordinates；The bottom of core bar 43 is fixedly arranged on the frame of press；
The side wall of the outer wall laminating cavity impression 31 of the outer undershoot 41；During compacted products, the top of the core bar 43
The upper punch 22 of the end face laminating upper die punch 2, the outer wall of the core bar 43 and the inwall of outer undershoot 41 define to form axle sleeve
The cylindrical body 11 of soft paste 1, the wall thickness of interior undershoot 42 is the wall thickness of axle sleeve soft paste 1；The round recessed 23 of the upper punch 22 and institute
The top end face for stating outer undershoot 41 coordinates the cap body 12 of the compacting axle sleeve soft paste 1, and the top end face of the interior undershoot 42, which is matched somebody with somebody, closes punching
The bottom surface of the first 22 compacting axle sleeve soft paste 1；
Wherein, the height of the bottom punch first 4 is more than the height of cavity impression 31.
During work, now powder is fitted into cavity impression 31, then upper die punch 2 declines, passes through upper punch 22 and lower mould
Three parts of drift 4 are suppressed powder；After the completion of compacting, upper die punch 2 rises return, and former 3 is moved down, and exposes lower mould
Drift 4, is easy to take out the axle sleeve soft paste 1 suppressed.
A kind of mould for compressing engine oil pump shaft sleeve soft paste of the utility model, including upper die punch, former and under
Stamping head；Upper die punch includes upper tringle body and upper punch, and upper punch is arranged with a round recessed；Former is tubular body, and center is opened
Provided with cavity impression, the side wall of cavity impression is hard alloy layer；Bottom punch head includes outer undershoot, interior undershoot and core bar, three
Person's ecto-entad is arranged successively and gap coordinates；The side wall of the outer wall laminating cavity impression of outer undershoot；The height of bottom punch head is big
In the height of cavity impression.Compared to existing technologies, the center of the utility model upper die punch, cavity impression and bottom punch head
On same straight line, the soft paste even density and surface smoothness processed is high, the quality better of product, and eliminates survey
It is examination, the time of adjustment mould, simple and practical.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (2)
1. a kind of mould for compressing engine oil pump shaft sleeve soft paste, the axle sleeve soft paste includes a cylindrical body and in tubular
A cap body from main body upper end to circumferentially extending；It is characterized in that：
The mould includes upper die punch, former and bottom punch head；
The upper die punch includes a rigid upper tringle body of cylinder and welding is fixedly arranged on a circle of tringle body bottom on this
Cylindricality hard alloy upper punch, the upper tringle body is used for the up-down mechanism for connecting a press, the following table of the upper punch
It is trapezoidal round recessed towards a longitudinal section is concavely provided with；
The former is the open tubular body of a rigid upper and lower ends, and the center of tubular body is the moon opened up in above-below direction
Model cavity, the side wall of the cavity impression is the hard alloy layer being fixedly arranged in tubular body；
The bottom punch head includes outer undershoot, interior undershoot and core bar；The outer undershoot and interior undershoot are tubular body, the core
Bar is the cylindrical, massive body of rod, and outer undershoot, interior undershoot and core bar ecto-entad are arranged successively and gap coordinates；The core bar
Bottom is fixedly arranged on the frame of press；
The side wall of the outer wall laminating cavity impression of the outer undershoot；During compacted products, the top end face laminating institute of the core bar
State the upper punch of upper die punch, the inwall of the outer wall of the core bar and outer undershoot defines the cylindrical body to form axle sleeve soft paste, institute
State the cap body that the round recessed of upper punch coordinates the compacting axle sleeve soft paste with the top end face of the outer undershoot, the top of the interior undershoot
End face coordinates the bottom surface of the upper punch compacting axle sleeve soft paste；
Wherein, the height of the bottom punch head is more than the height of cavity impression.
2. mould according to claim 1, it is characterised in that：The bottom of the outer undershoot is provided with one to radially extending setting
Base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435705.7U CN206415596U (en) | 2016-12-26 | 2016-12-26 | A kind of mould for compressing engine oil pump shaft sleeve soft paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435705.7U CN206415596U (en) | 2016-12-26 | 2016-12-26 | A kind of mould for compressing engine oil pump shaft sleeve soft paste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206415596U true CN206415596U (en) | 2017-08-18 |
Family
ID=59575604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621435705.7U Active CN206415596U (en) | 2016-12-26 | 2016-12-26 | A kind of mould for compressing engine oil pump shaft sleeve soft paste |
Country Status (1)
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|---|---|
| CN (1) | CN206415596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043434A (en) * | 2020-12-31 | 2021-06-29 | 中核北方核燃料元件有限公司 | Central hole-opening core block forming die |
-
2016
- 2016-12-26 CN CN201621435705.7U patent/CN206415596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043434A (en) * | 2020-12-31 | 2021-06-29 | 中核北方核燃料元件有限公司 | Central hole-opening core block forming die |
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