CN204159667U - A kind of valve stem cold extrusion die - Google Patents
A kind of valve stem cold extrusion die Download PDFInfo
- Publication number
- CN204159667U CN204159667U CN201420459009.4U CN201420459009U CN204159667U CN 204159667 U CN204159667 U CN 204159667U CN 201420459009 U CN201420459009 U CN 201420459009U CN 204159667 U CN204159667 U CN 204159667U
- Authority
- CN
- China
- Prior art keywords
- die
- connects
- ring
- pressure
- valve stem
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of valve stem cold extrusion die, comprise pull bar, cushion block, overlap in die, die inner sleeve, discharging ring, upper bolster, centring ring, pressure ring, pressure plate, tight loop, punch, stripper, trim ring, die overcoat, push rod, locating ring, top board, extension spring, portable plate, pressure plate, little push rod, skewback and die shoe, pull bar connects upper bolster and top board respectively, cushion block Bonding pressure backing plate, in die, cover connects die overcoat, die inner sleeve connects in die overlaps, discharging ring connects stripper, upper bolster connects centring ring, centring ring connects tight loop, pressure ring Bonding pressure backing plate, punch Bonding pressure backing plate, trim ring connects locating ring, die overcoat connects cushion block.The utility model is reasonable in design, and employing cold-extrusion technology production valve stem improves the mechanical property of valve stem, improves production efficiency, decrease the consumption of raw material and the energy, obvious economic compared with producing with traditional machining.
Description
Technical field
The utility model relates to, and is specifically related to a kind of valve stem cold extrusion die.
Background technology
Valve stem part, material is 20 steel, and former employing cutting working method is shaped, and its complex manufacturing, production efficiency is low, part poor mechanical property, and the shape of blank and the improvement of size to die life and cold-extruded part machine direction have a significant impact.
Utility model content
The purpose of this utility model is for solving above-mentioned deficiency, provides a kind of valve stem cold extrusion die.
The purpose of this utility model is achieved through the following technical solutions:
A kind of valve stem cold extrusion die, comprise pull bar, cushion block, overlap in die, die inner sleeve, discharging ring, upper bolster, centring ring, pressure ring, pressure plate, tight loop, punch, stripper, trim ring, die overcoat, push rod, locating ring, top board, extension spring, portable plate, pressure plate, little push rod, skewback and die shoe, pull bar connects upper bolster and top board respectively, cushion block Bonding pressure backing plate, in die, cover connects die overcoat, die inner sleeve connects in die overlaps, discharging ring connects stripper, upper bolster connects centring ring, centring ring connects tight loop, pressure ring Bonding pressure backing plate, punch Bonding pressure backing plate, trim ring connects locating ring, die overcoat connects cushion block, push rod Bonding pressure backing plate, locating ring connects die shoe, top board is in the bottom of device, extension spring connects portable plate, portable plate connects top board, pressure plate connects cushion block, little push rod Bonding pressure backing plate, skewback Bonding pressure backing plate, die shoe connects locating ring.
The utility model also has some technical characteristics like this:
The operative end surface of described punch is processed into the shape identical with push rod inner bottom surface.
During described valve stem cold extrusion, extrusion pressure reaches 2200MPa.
Described mould adopts elastic tripper.
The utility model has effect useful as follows:
The utility model is reasonable in design, and employing cold-extrusion technology production valve stem improves the mechanical property of valve stem, improves production efficiency, decrease the consumption of raw material and the energy, obvious economic compared with producing with traditional machining.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is valve stem extrusion schematic diagram.
Wherein, 1, pull bar, 2, cushion block, 3, overlap in die, 4, die inner sleeve, 5, discharging ring, 6, upper bolster, 7, centring ring, 8, pressure ring, 9, pressure plate, 10, tight loop, 11, punch, 12, stripper, 13, trim ring, 14, die overcoat, 15, push rod, 16, locating ring, 17, top board, 18, extension spring, 19, portable plate, 20, pressure plate, 21, little push rod, 22, skewback, 23, die shoe, 24, valve stem extrusion.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
Embodiment 1
A kind of valve stem cold extrusion die, comprises pull bar 1, cushion block 2, 3 are overlapped in die, die inner sleeve 4, discharging ring 5, upper bolster 6, centring ring 7, pressure ring 8, pressure plate 9, tight loop 10, punch 11, stripper 12, trim ring 13, die overcoat 14, push rod 15, locating ring 16, top board 17, extension spring 18, portable plate 19, pressure plate 20, little push rod 21, skewback 22 and die shoe 23, pull bar 1 connects upper bolster 6 and top board 15 respectively, cushion block 2 Bonding pressure backing plate 9, overlap 3 in die and connect die overcoat 14, die inner sleeve 4 connects in die overlaps 3, discharging ring 5 connects stripper 12, upper bolster 6 connects centring ring 7, centring ring 7 connects tight loop 10, pressure ring 8 Bonding pressure backing plate 9, punch 11 Bonding pressure backing plate 9, trim ring 13 connects locating ring 16, die overcoat 14 connects cushion block 2, push rod 15 Bonding pressure backing plate 9, locating ring 16 connects die shoe 23, top board 17 is in the bottom of device, extension spring 18 connects portable plate 19, portable plate 19 connects top board 17, pressure plate 20 connects cushion block 2, little push rod 21 Bonding pressure backing plate 9, skewback 22 Bonding pressure backing plate 9, die shoe 23 connects locating ring 16, the operative end surface of described punch is processed into the shape identical with push rod inner bottom surface, during described valve stem cold extrusion, extrusion pressure reaches 2200MPa, described mould adopts elastic tripper.
Mold work process is: blank is put into die inner sleeve 4.Patrix is descending with hydraulic press moved cross beam, and punch, die and push rod are by blank extrusion molding.Patrix backhaul, punch is separated with die, if workpiece is stayed on punch, then with discharging ring 5, workpiece is separated by stripper with punch.If workpiece is stayed in die, then link liftout attachment by workpiece top from die by mechanical rod-pulling type, this liftout attachment below die shoe with portable plate, after workpiece ejects a segment distance, by being with the skewback 22 on inclined-plane to be strutted by portable plate, making the bottom surface of push rod unsettled, making it lean on self-weight reset, ready for placing blank next time, portable plate resets by the extension spring 18 of its outer ring.
In order to strengthen strength of concave mould, reducing matrix manufacturing cost, extending die life, adopting 3 layers of pre-stress combination matrix structure.Each circle mating surface is made certain taper (generally getting 1 ° 30 '), at room temperature carry out pressing with hydraulic press.Because valve stem inner chamber is comparatively dark, in order to strengthen the intensity of punch, diameter overstriking more than active section is milled out 3 blowpits, for the discharging ring discharging with 3 interior claw types.
Claims (4)
1. a valve stem cold extrusion die, comprise pull bar, cushion block, overlap in die, die inner sleeve, discharging ring, upper bolster, centring ring, pressure ring, pressure plate, tight loop, punch, stripper, trim ring, die overcoat, push rod, locating ring, top board, extension spring, portable plate, pressure plate, little push rod, skewback and die shoe, it is characterized in that: pull bar connects upper bolster and top board respectively, cushion block Bonding pressure backing plate, in die, cover connects die overcoat, die inner sleeve connects in die overlaps, discharging ring connects stripper, upper bolster connects centring ring, centring ring connects tight loop, pressure ring Bonding pressure backing plate, punch Bonding pressure backing plate, trim ring connects locating ring, die overcoat connects cushion block, push rod Bonding pressure backing plate, locating ring connects die shoe, top board is in the bottom of device, extension spring connects portable plate, portable plate connects top board, pressure plate connects cushion block, little push rod Bonding pressure backing plate, skewback Bonding pressure backing plate, die shoe connects locating ring.
2. a kind of valve stem cold extrusion die as claimed in claim 1, is characterized in that: the operative end surface of described punch is processed into the shape identical with push rod inner bottom surface.
3. a kind of valve stem cold extrusion die as claimed in claim 1, is characterized in that: during described valve stem cold extrusion, extrusion pressure reaches 2200MPa.
4. a kind of valve stem cold extrusion die as claimed in claim 1, is characterized in that: described mould adopts elastic tripper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459009.4U CN204159667U (en) | 2014-08-14 | 2014-08-14 | A kind of valve stem cold extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459009.4U CN204159667U (en) | 2014-08-14 | 2014-08-14 | A kind of valve stem cold extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204159667U true CN204159667U (en) | 2015-02-18 |
Family
ID=52533395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420459009.4U Expired - Fee Related CN204159667U (en) | 2014-08-14 | 2014-08-14 | A kind of valve stem cold extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204159667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309310A (en) * | 2016-04-27 | 2017-11-03 | 合肥江丰电子材料有限公司 | The processing method of press-working apparatus and focusing ring boss |
-
2014
- 2014-08-14 CN CN201420459009.4U patent/CN204159667U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309310A (en) * | 2016-04-27 | 2017-11-03 | 合肥江丰电子材料有限公司 | The processing method of press-working apparatus and focusing ring boss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |