CN205967323U - Local extrusion device of aluminum alloy knuckle mould - Google Patents
Local extrusion device of aluminum alloy knuckle mould Download PDFInfo
- Publication number
- CN205967323U CN205967323U CN201620969778.8U CN201620969778U CN205967323U CN 205967323 U CN205967323 U CN 205967323U CN 201620969778 U CN201620969778 U CN 201620969778U CN 205967323 U CN205967323 U CN 205967323U
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- China
- Prior art keywords
- cover half
- pressure ram
- mould
- alloy knuckle
- aluminium alloy
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Abstract
The utility model discloses a local extrusion device of aluminum alloy knuckle mould, wherein, the cover half that includes the movable mould that is equipped with on aluminum alloy knuckle mould, be equipped with in movable mould one side, be equipped with the piston that is equipped with on the sleeve that is equipped with, the tip at the pressure ram with pressure ram threaded connection on the pressure ram that passes the cover half, the pressure ram between pressure ram and cover half on the cover half, and the hydro -cylinder that is equipped with on the piston. The movable mould includes movable mould piece that is equipped with and the movable mould seat that is equipped with on the movable mould piece on aluminum alloy knuckle mould. The cover half includes cover half piece that is equipped with and the cover half seat that is equipped with on the cover half piece on aluminum alloy knuckle mould opposite side. The hydro -cylinder is screw fixed connection with the cover half seat, and the pressure ram passes the cover half piece, and the sleeve sets up between pressure ram and cover half piece. The utility model has the advantages of simple structure, extrude effectually and the high effect of product percent of pass.
Description
Technical field
This utility model is related to a kind of local extrusion device of aluminium alloy knuckle mould.
Background technology
At present, the position of thick big position or thermal center in the middle of common on the market extrusion casint part, in crystallization and freezing process
In enough molten metal cannot supplement feeding, that is, both do not had enough pressure to force molten metal to be delivered to need feeding
Position, will produce shrinkage cavity or the defect of shrinkage porosite therefore on cast member.The cast member of molding reduces effective bearing area, from
And the microstructure and mechanical property of impact itself, i.e. ruggedness.
Utility model content
In view of the above problems, the purpose of this utility model is to provide that a kind of structure is simple, squeezing effect is good and product closes
The local extrusion device of the high aluminium alloy knuckle mould of lattice rate.
For achieving the above object, the local extrusion device of a kind of aluminium alloy knuckle mould that this utility model provides, its
In, the cover half that including the dynamic model being provided with aluminium alloy knuckle mould, is provided with dynamic model side, be provided through on cover half fixed
The sleeve that is provided with the pressure ram of mould, the pressure ram between pressure ram and cover half, the end of pressure ram is provided with and extrudes
The threaded piston of bar, and the oil cylinder being provided with piston.Dynamic model includes the dynamic model being provided with aluminium alloy knuckle mould
Block and the dynamic model seat being provided with dynamic model block.Cover half include the cover half block being provided with aluminium alloy knuckle mould opposite side and
The cover half seat that cover half block is provided with.Oil cylinder is that screw is fixedly connected with cover half seat, and pressure ram passes through cover half block, and sleeve is arranged at crowded
Between depression bar and cover half block.
In some embodiments, shank diameter 30mm, extruding force 300KN are extruded.
In some embodiments, the gap between pressure ram and sleeve is 0.07 0.10mm.
This utility model beneficial effect is that have the effect that structure is simple, squeezing effect is good and conforming product rate is high.Due to
It is poured into aluminium alloy in pressure chamber during work in the presence of press shot sleeve, enters die cavity through running channel, full of casting mold, given
Time in oil cylinder in local extrusion device start action, promote pressure ram to advance, the metal to last not yet solidification completely
High-pressure, realizes the strength feeding of molten metal under high pressure, reach the purpose eliminating shrinkage cavity shrinkage porosity it is achieved that structure simple,
The effect that squeezing effect is good and conforming product rate is high.Extrusion process continuously can work below 300 DEG C, will not produce oil leak etc. and ask
Topic.In addition, also have that structure is simple, use, easy to maintenance, the feature of die life length, parameter is chosen rationally, to eliminating product
The shrinkage cavity shrinkage porosity at thick big position has positive effect, and conforming product rate is high.
Brief description
Fig. 1 is internal structure schematic diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings utility model is described in further detail.
As shown in figure 1, a kind of local extrusion device of aluminium alloy knuckle mould, including in aluminium alloy knuckle mould 1
The dynamic model that is provided with, in the dynamic model side cover half being provided with, pressure ram 4 that cover half is provided through on cover half, pressure ram 4 with fixed
Sleeve 3 that pressure ram 4 between mould is provided with, the piston 5 threadeded with pressure ram 4 is provided with the end of pressure ram 4, and
The oil cylinder 6 being provided with piston 5.Dynamic model includes the dynamic model block 9 being provided with aluminium alloy knuckle mould 1 and on dynamic model block 9
The dynamic model seat 10 being provided with.Cover half includes the cover half block 2 being provided with aluminium alloy knuckle mould 1 opposite side and on cover half block 2
The cover half seat 8 being provided with.Oil cylinder 6 is that screw 7 is fixedly connected with cover half seat, and pressure ram 4 passes through cover half block 2, and sleeve 3 is arranged at extruding
Between bar 4 and cover half block 2.Pressure ram 4 diameter 30mm, extruding force 300KN.Gap between pressure ram 4 and sleeve 3 is 0.07
0.10mm.Pressure rod adopts H13 (8407) heat-resisting die Steel material, need to be through overall vacuum quenching plus surfaces nitrided process, nitridation
Layer depth 0.1 0.2mm, Vickers hardness 800-900.Above-mentioned local extrusion device be located at knuckle centre bore (Hole) center
At 10mm above line.
It is poured into aluminium alloy in pressure chamber during work in the presence of press shot sleeve, enter die cavity through running channel, full of casting
Type, the oil cylinder 6 beginning action in local extrusion device in the given time, promote pressure ram 4 to advance, to finally not yet complete
Solidification metal high-pressure, realize the strength feeding of molten metal under high pressure, reach eliminate shrinkage cavity shrinkage porosity purpose it is achieved that
The effect that structure is simple, squeezing effect is good and conforming product rate is high.Extrusion process continuously can work below 300 DEG C, will not produce
The problems such as raw oil leak.In addition, also have that structure is simple, use, easy to maintenance, the feature of die life length, parameter is chosen rationally,
To the shrinkage cavity shrinkage porosity eliminating the thick big position of product, there is positive effect, conforming product rate is high.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of creating design without departing from this utility model, some deformation can also be made and improve, these broadly fall into practical new
The protection domain of type.
Claims (3)
1. a kind of local extrusion device of aluminium alloy knuckle mould is it is characterised in that include on aluminium alloy knuckle mould
The dynamic model that is provided with, in the dynamic model side cover half being provided with, pressure ram that cover half is provided through on cover half, pressure ram and cover half it
Between pressure ram be provided with sleeve, the piston threadeded with pressure ram is provided with the end of pressure ram, and on piston
The oil cylinder being provided with；
Described dynamic model includes the dynamic model block being provided with aluminium alloy knuckle mould and the dynamic model seat being provided with dynamic model block；Institute
The cover half stated includes the cover half block being provided with aluminium alloy knuckle mould opposite side and the cover half seat being provided with cover half block；Institute
The oil cylinder stated is that screw is fixedly connected with cover half seat；Described pressure ram passes through cover half block；Described sleeve is arranged at pressure ram
And cover half block between.
2. a kind of local extrusion device of aluminium alloy knuckle mould according to claim 1 is it is characterised in that described
Extruding shank diameter 30mm, extruding force 300KN.
3. a kind of local extrusion device of aluminium alloy knuckle mould according to claim 2 is it is characterised in that described
Gap between pressure ram and sleeve is 0.07 0.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620969778.8U CN205967323U (en) | 2016-08-29 | 2016-08-29 | Local extrusion device of aluminum alloy knuckle mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620969778.8U CN205967323U (en) | 2016-08-29 | 2016-08-29 | Local extrusion device of aluminum alloy knuckle mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205967323U true CN205967323U (en) | 2017-02-22 |
Family
ID=58037236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620969778.8U Active CN205967323U (en) | 2016-08-29 | 2016-08-29 | Local extrusion device of aluminum alloy knuckle mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205967323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637210A (en) * | 2018-07-17 | 2018-10-12 | 淮北创之社信息科技有限公司 | A kind of die casting reverse extrusion feeding structure and the mold with the structure |
| CN112974770A (en) * | 2021-02-08 | 2021-06-18 | 北京工业大学 | High-strength aluminum alloy and extrusion casting preparation method |
-
2016
- 2016-08-29 CN CN201620969778.8U patent/CN205967323U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637210A (en) * | 2018-07-17 | 2018-10-12 | 淮北创之社信息科技有限公司 | A kind of die casting reverse extrusion feeding structure and the mold with the structure |
| CN108637210B (en) * | 2018-07-17 | 2020-07-03 | 江苏久尔重工股份有限公司 | Die casting backward extrusion feeding structure and mould that has this structure |
| CN112974770A (en) * | 2021-02-08 | 2021-06-18 | 北京工业大学 | High-strength aluminum alloy and extrusion casting preparation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |