CN208644064U - A kind of novel powder metallurgy gear die - Google Patents
A kind of novel powder metallurgy gear die Download PDFInfo
- Publication number
- CN208644064U CN208644064U CN201821109036.3U CN201821109036U CN208644064U CN 208644064 U CN208644064 U CN 208644064U CN 201821109036 U CN201821109036 U CN 201821109036U CN 208644064 U CN208644064 U CN 208644064U
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- fixedly connected
- low punch
- punch
- column
- die cavity
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Abstract
The utility model relates to a kind of novel powder metallurgy gear dies, including substrate, the substrate inner cavity is fixedly connected with middle mould, and the middle mould runs through substrate top, the middle mold cavity offers die cavity, the die cavity surrounding is equidistantly equipped with pilot hole, and the pilot hole is provided at the top of middle mould, die cavity inner cavity bottom end is connected with low punch, and the low punch matches with die cavity, the low punch top center is fixedly connected with plug, the plug side is fixedly connected with rectangular spline, the plug surrounding is equidistantly equipped with column, and the column is fixedly connected at the top of low punch, the low punch bottom is fixedly connected with undershoot, described substrate top one end is fixedly connected with support plate, the support plate side is fixedly connected with hydraulically extensible column one, upper punch is equipped with right above the middle mould, the utility model structure Simply, easy to operate, can be to avoid mold sticking, and automatic continuous production may be implemented, substantially increase product manufacturing efficiency.
Description
Technical field
The utility model relates to a kind of novel powder metallurgy gear dies, belong to powder metallurgically manufacturing technical field.
Background technique
PM technique manufactures gear, needs by multiple working procedures such as powder-molding-sintering-post-processings processed, wherein forming
Process is that dusty material is put into mold, under pressure compression moulding, and the manufacture of general powder metallurgy bevel gear is all
It is shaped using the concrete-cored stick of the mono- undershoot of A pattern frame Dan Shangchong and female mould structure, product using the face type of Dan Shangchong, product is in depanning
Shi Rongyi is inhaled to be taken not get off on formed punch, is affected being carried out continuously for production, is added the mono- undershoot of Dan Shangchong to shape with A pattern frame
Product has that easy sticking to mould, density are loose.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of novel powder metallurgy gear die
Powder can be pressed into raw embryo by cooperating with upper punch, and suppressing by being equipped with low punch and hydraulically extensible column three by tool
After the completion, by the stretching, extension of hydraulically extensible column three, low punch is gradually moved up with upper punch, can be by gear green compact launch mode
Chamber avoids mold sticking, and automatic continuous production may be implemented, and substantially increases product manufacturing efficiency, by being equipped with square
Gear green compact axis hole side wall can be suppressed flat key slot, the installation of finished gear is facilitated to fix by shape spline, by being equipped with circular hole
With column, gear green compact can be suppressed into lightening hole, it is possible to reduce the self weight of finished gear reduces materials, reduces cost, and
And contact area with air can be increased, the heat that finished gear is generated in operation distributes, and can extend finished product
The service life of gear can effectively solve the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of novel powder metallurgy gear die, including substrate, the substrate inner cavity are fixedly connected with middle mould, and it is described in
Mould runs through substrate top, and the middle mold cavity offers die cavity, and the die cavity surrounding is equidistantly equipped with pilot hole, and the pilot hole
It is provided at the top of middle mould, die cavity inner cavity bottom end is connected with low punch, and the low punch matches with die cavity, described
Low punch top center is fixedly connected with plug, and the plug side is fixedly connected with rectangular spline, the plug surrounding
It is equidistantly equipped with column, and the column is fixedly connected at the top of low punch, the low punch bottom is fixedly connected with undershoot, described
Substrate top one end is fixedly connected with support plate, and the support plate side is fixedly connected with hydraulically extensible column one, and the middle mould is just
Top is equipped with upper punch, and the upper punch matches with die cavity, and the upper punch bottom centre position offers stick hole, and institute
It states stick hole to match with plug, stick hole surrounding is evenly distributed with circular hole, and the circular hole is provided with upper punch bottom, and institute
It states circular hole to match with column, is fixedly connected with punching at the top of the upper punch.
Furthermore, stick hole inner wall offers keyway, and the keyway matches with rectangular spline.
Furthermore, the portion of rushing to summit is fixedly connected with hydraulically extensible column two on described.
Furthermore, the undershoot bottom is fixedly connected with hydraulically extensible column three.
Furthermore, one movable end of hydraulically extensible column is fixedly connected with push plate, and between the push plate and substrate
It is slidably connected.
Furthermore, it is fixedly connected with guide rod at the top of the undershoot, and the guide rod is evenly distributed on low punch surrounding,
And the guide rod is corresponding with pilot hole.
The utility model the utility model has the advantages that the utility model by being equipped with low punch and hydraulically extensible column three, can by with
Powder is pressed into raw embryo by upper punch cooperation, and after the completion of compacting, by the stretching, extension of hydraulically extensible column three, low punch gradually with
Upper punch move up, can by gear green compact release die cavity, avoid mold sticking, and automatic continuous production may be implemented,
Product manufacturing efficiency is substantially increased, by being equipped with rectangular spline, gear green compact axis hole side wall can be suppressed into flat key slot, side
Just the installation of finished gear is fixed, and by being equipped with circular hole and column, gear green compact can be suppressed lightening hole, it is possible to reduce at
The self weight of product gear reduces materials, reduces cost, and can increase the contact area with air, finished gear is being operated
The heat of middle generation distributes, and can extend the service life of finished gear.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is a kind of novel powder metallurgy gear die main view of the utility model.
Fig. 2 is a kind of novel powder metallurgy gear die low punch top view of the utility model.
Fig. 3 is a kind of novel powder metallurgy gear die upper punch bottom view of the utility model.
Fig. 4 is mould top view in a kind of novel powder metallurgy gear die of the utility model.
Figure label: 1, substrate；2, middle mould；3, die cavity；4, pilot hole；5, low punch；6, plug；7, rectangular spline；8,
Column；9, undershoot；10, support plate；11, hydraulically extensible column one；12, upper punch；13, stick hole；14, upper punching；15, keyway；16, liquid
Press telescopic mast two；17, hydraulically extensible column three；18, push plate；19, guide rod；20, circular hole.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs 1-4, a kind of novel powder metallurgy gear die, including substrate 1,1 inner cavity of substrate are fixedly connected
There is middle mould 2, and the middle mould 2, through 1 top of substrate, middle 2 inner cavity of mould offers die cavity 3, it can be by powder filling in mould
In chamber 3, then pushes upper punch 12 to enter in die cavity 3 by hydraulically extensible column 2 16 and powder is pressed into raw embryo, the die cavity 3
Surrounding is equidistantly equipped with pilot hole 4, and the pilot hole 4 is provided with middle 2 top of mould, and the 3 inner cavity bottom end of die cavity is connected with
Low punch 5, and the low punch 5 matches with die cavity 3, powder can be pressed into raw embryo by cooperating with upper punch 12, and
After the completion of compacting, by the stretching, extension of hydraulically extensible column 3 17, low punch 5 is gradually moved up with upper punch 12, can be by gear
Green compact release die cavity 3, avoid mold sticking, and automatic continuous production may be implemented, substantially increase product manufacturing efficiency,
5 top center of low punch is fixedly connected with plug 6, and 6 side of plug is fixedly connected with rectangular spline 7, can be with
Gear green compact axis hole side wall is suppressed into flat key slot, the installation of finished gear is facilitated to fix, 6 surrounding of plug is equidistantly equipped with vertical
Column 8, and the column 8 is fixedly connected on 5 top of low punch, 5 bottom of low punch is fixedly connected with undershoot 9, the substrate 1
Top one end is fixedly connected with support plate 10, and 10 side of support plate is fixedly connected with hydraulically extensible column 1, the middle mould 2
Surface is equipped with upper punch 12, and the upper punch 12 matches with die cavity 3, can be by cooperating with low punch 5 by powder pressure
Raw embryo is made, 12 bottom centre position of upper punch offers stick hole 13, and the stick hole 13 matches with plug 6, can
It realizes the exactitude position between low punch 5 and upper punch 12, guarantees gear forming, 13 surrounding of stick hole is evenly distributed with circular hole
20, and the circular hole 20 is provided with 12 bottom of upper punch, and the circular hole 20 matches with column 8, it can be by gear green compact pressure
Produce lightening hole, it is possible to reduce the self weight of finished gear reduces materials, reduces cost, and can increase the contact with air
Area, the heat that finished gear is generated in operation distribute, and can extend the service life of finished gear, the upper punching
First 12 top is fixedly connected with punching 14.
More specifically, 13 inner wall of stick hole offers keyway 15, and the keyway 15 matches with rectangular spline 7,
It is described it is upper punching 14 top be fixedly connected with hydraulically extensible column 2 16, can be made by the stretching, extension of hydraulically extensible column 2 16 it is upper punching 14 to
Lower movement, so that upper punch 12 be made to suppress the powder in die cavity 3,9 bottom of undershoot is fixedly connected with hydraulically extensible
Column 3 17 can be such that undershoot 9 moves up, so that low punch 5 be made to match with upper punch 12 by the stretching, extension of hydraulically extensible column 3 17
The powder in die cavity 3 is suppressed in conjunction, and one 11 movable end of hydraulically extensible column is fixedly connected with push plate 18, can suppress
Cheng Hou is pushed the gear green compact that low punch 5 ejects by the stretching, extension of hydraulically extensible column 1, into next processing links,
And be slidably connected between the push plate 18 and substrate 1, guide rod 19 is fixedly connected at the top of the undershoot 9, and the guide rod 19 is equal
It is even to be distributed in 5 surrounding of low punch, and the guide rod 19 is corresponding with pilot hole 4, can be realized between low punch 5 and upper punch 12
Exactitude position.
Utility model works principle: in use, powder is filled into die cavity 3 first, then pass through hydraulically extensible column
2 16 push upper punch 12 to enter in die cavity 3, by the stretching, extension of hydraulically extensible column 3 17, cooperate low punch 5 and upper punch 12
Powder is pressed into raw embryo, after the completion of compacting, hydraulically extensible column 2 16 drives upper punch 12 to move up, and hydraulically extensible column 3 17 continues
Stretching, extension pushes upper punch 12 to move up, and gear green compact can be released die cavity 3, avoid mold sticking, at this moment, from passing through hydraulically extensible
The stretching, extension of column 1 pushes push plate 18 to push the gear green compact that low punch 5 ejects, and into next processing links, realizes certainly
Dynamic continuous production, substantially increases product manufacturing efficiency.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (6)
1. a kind of novel powder metallurgy gear die, including substrate (1), it is characterised in that: substrate (1) inner cavity is fixedly connected
Have middle mould (2), and the middle mould (2), at the top of substrate (1), middle mould (2) inner cavity offers die cavity (3), the die cavity
(3) surrounding is equidistantly equipped with pilot hole (4), and the pilot hole (4) is provided at the top of middle mould (2), die cavity (3) the inner cavity bottom end
It is connected with low punch (5), and the low punch (5) matches with die cavity (3), low punch (5) top center
It is fixedly connected with plug (6), plug (6) side is fixedly connected with rectangular spline (7), and plug (6) surrounding is equidistantly set
Have column (8), and the column (8) is fixedly connected at the top of low punch (5), low punch (5) bottom is fixedly connected with down
It rushes (9), one end is fixedly connected with support plate (10) at the top of the substrate (1), and support plate (10) side is fixedly connected with liquid
It presses telescopic mast one (11), is equipped with upper punch (12) right above the middle mould (2), and the upper punch (12) and die cavity (3) phase
Match, upper punch (12) bottom centre position offers stick hole (13), and the stick hole (13) matches with plug (6), institute
It states stick hole (13) surrounding to be evenly distributed with circular hole (20), and the circular hole (20) is provided with upper punch (12) bottom, and the circle
Hole (20) matches with column (8), is fixedly connected with punching (14) at the top of the upper punch (12).
2. a kind of novel powder metallurgy gear die according to claim 1, it is characterised in that: stick hole (13) inner wall
It offers keyway (15), and the keyway (15) matches with rectangular spline (7).
3. a kind of novel powder metallurgy gear die according to claim 1, it is characterised in that: at the top of the upper punching (14)
It is fixedly connected with hydraulically extensible column two (16).
4. a kind of novel powder metallurgy gear die according to claim 1, it is characterised in that: undershoot (9) bottom
It is fixedly connected with hydraulically extensible column three (17).
5. a kind of novel powder metallurgy gear die according to claim 1, it is characterised in that: the hydraulically extensible column one
(11) movable end is fixedly connected with push plate (18), and is slidably connected between the push plate (18) and substrate (1).
6. a kind of novel powder metallurgy gear die according to claim 1, it is characterised in that: at the top of the undershoot (9)
It is fixedly connected with guide rod (19), and the guide rod (19) is evenly distributed on low punch (5) surrounding, and the guide rod (19) and guiding
Hole (4) is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109036.3U CN208644064U (en) | 2018-07-13 | 2018-07-13 | A kind of novel powder metallurgy gear die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821109036.3U CN208644064U (en) | 2018-07-13 | 2018-07-13 | A kind of novel powder metallurgy gear die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208644064U true CN208644064U (en) | 2019-03-26 |
Family
ID=65784841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821109036.3U Expired - Fee Related CN208644064U (en) | 2018-07-13 | 2018-07-13 | A kind of novel powder metallurgy gear die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208644064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957956A (en) * | 2020-08-19 | 2020-11-20 | 长钰模具(苏州)有限公司 | Carbide turning tool piece powder compacting die capable of changing die fast |
-
2018
- 2018-07-13 CN CN201821109036.3U patent/CN208644064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957956A (en) * | 2020-08-19 | 2020-11-20 | 长钰模具(苏州)有限公司 | Carbide turning tool piece powder compacting die capable of changing die fast |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20190713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |