CN202804141U - Low pressure casting equipment of aluminium alloy hub - Google Patents
Low pressure casting equipment of aluminium alloy hub Download PDFInfo
- Publication number
- CN202804141U CN202804141U CN 201220511531 CN201220511531U CN202804141U CN 202804141 U CN202804141 U CN 202804141U CN 201220511531 CN201220511531 CN 201220511531 CN 201220511531 U CN201220511531 U CN 201220511531U CN 202804141 U CN202804141 U CN 202804141U
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- CN
- China
- Prior art keywords
- aluminium alloy
- supervisor
- stalk
- aluminum alloy
- die
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- 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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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Continuous Casting (AREA)
Abstract
Disclosed is low pressure casting equipment of an aluminum alloy hub. The low pressure casting equipment of the aluminum alloy hub is characterized in that a backpressure plate is arranged to enable one side of a main pipe of a liquid raising pipe which is positioned below the backpressure plate to be a backpressure area, and thus the supply speed of aluminum alloy melting liquid can be adjusted so as to be homogenized. While a rectifying area is formed on one side of a secondary pipe of the liquid raising pipe which is positioned above the backpressure plate, and thus turbulent aluminum liquid which passes the backpressure plate is rectified to enable the supply pressure and the speed to be further homogenized, and thereby the stable mold filling of the aluminum alloy melting liquid is achieved. Due to the fact that through holes are in non-linear structure, the straight line impact on the aluminum alloy melting liquid is prevented.
Description
Technical field
The utility model relates to a kind of Casting Equipment, especially a kind of low-pressure die casting plant of aluminium alloy wheel hub.
Background technology
Low pressure casting is liquid metals under low gas pressure effect, fills die casting by stalk, and under the certain pressure effect casting method of solidification and crystallization.Adopt low pressure casting aluminum alloy technique, it is steady that molten aluminium alloy fills type, and speed is easy to control, and the liquid flow path direction is consistent with airflow direction in the casting mold and exhaust is unimpeded, and the aluminum alloy organization of acquisition is fine and close, good mechanical performance
Yet use the day by day automotive hub field of expansion for aluminium alloy, because aluminium alloy wheel hub is complex-shaped, cross-section at the casting mold cast gate of low pressure casting, the liquation supply pressure is difficult to keep evenly, cause the mobile variation of aluminium alloy, thereby molten aluminium alloy can't be filled in the die cavity equably, and then cause in the aluminum alloy wheel hub casts and produce pore.Particularly for the consideration of wheel hub lightweight and thin-walled property, require that casting mold cavity is also corresponding to become narrow, it will be more obvious being subject in this case the inhomogeneous impact of supply pressure.
Therefore, develop a kind of low-pressure die casting plant that can guarantee the aluminium alloy wheel hub of molten aluminium alloy stable filling type, all have great importance for the quality of raising automotive hub and the overall performance of lifting automobile.
Summary of the invention
The purpose of this utility model namely is to provide a kind of low-pressure die casting plant that can guarantee the aluminium alloy wheel hub of molten aluminium alloy stable filling type.
The technical scheme that the utility model adopts is as follows: a kind of low-pressure die casting plant of aluminium alloy wheel hub, and it has the mould that is comprised of upper die and lower die and side form, stalk, holding furnace, and for the gas supply port of supplying with gas-pressurized; The described upper die and lower die of described mould and side form cooperate formation wheel hub die cavity; Described stalk is communicated with by supervisor and looped pipeline two parts and forms; Described counterdie is provided with cast gate, and described cast gate is communicated with the described looped pipeline of described stalk, and the described supervisor of described stalk is immersed in the interior molten aluminium alloy of described holding furnace; It is characterized in that: supervisor's one side of the described supervisor of described stalk and the intersection of looped pipeline is provided with a back pressure plate, and the outer wall of described back pressure plate and described supervisor's inwall fit tightly; Described back pressure plate has a plurality of non-rectilinears hole that runs through its upper and lower surface, and described a plurality of non-rectilinears communicate with each other between the hole.
The beneficial effects of the utility model are that by the back pressure plate is set, so that supervisor's one side of the stalk of back pressure plate below becomes the back pressure zone, the feed speed that can adjust molten aluminium alloy makes it even; And looped pipeline one side of the stalk above the back pressure plate becomes the rectification zone, will carry out rectification by the sinuous flow aluminium liquid of back pressure plate, so that the further homogenising of supply pressure and speed, thereby the stable filling type of realization molten aluminium alloy; And because through hole is non-directional, avoided the straight line shock of molten aluminium alloy.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the longitudinal section schematic diagram of back pressure plate of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing 1-2, describe the low-pressure die casting plant of aluminium alloy wheel hub of the present utility model in detail, it has the mould 1 that is comprised of patrix 1a, counterdie 1b and side form 1c, stalk 2, holding furnace 3, and for the gas supply port 4 of supplying with gas-pressurized; Described patrix 1a, the counterdie 1b of described mould and side form 1c cooperate formation wheel hub die cavity 5; Described stalk 2 is communicated with by supervisor 6 and looped pipeline 7 two parts and forms; Described counterdie 1b is provided with cast gate 8, and described cast gate 8 is communicated with the described looped pipeline 7 of described stalk 2, and the described supervisor 6 of described stalk 2 is immersed in the molten aluminium alloy in the described holding furnace 3; It is characterized in that: supervisor's 6 one sides of the described supervisor 6 of described stalk 2 and the intersection of looped pipeline 7 are provided with a back pressure plate 9, and the outer wall of described back pressure plate 9 and described supervisor's 6 inwall fits tightly; Described back pressure plate 9 has a plurality of non-rectilinears hole 10 that runs through its upper and lower surface, communicates with each other between described a plurality of non-rectilinears hole 10.
Claims (1)
1. the low-pressure die casting plant of an aluminium alloy wheel hub, it has the mould that is comprised of upper die and lower die and side form, stalk, holding furnace, and be used for supplying with the gas supply port of gas-pressurized; The described upper die and lower die of described mould and side form cooperate formation wheel hub die cavity; Described stalk is communicated with by supervisor and looped pipeline two parts and forms; Described counterdie is provided with cast gate, and described cast gate is communicated with the described looped pipeline of described stalk, and the described supervisor of described stalk is immersed in the interior molten aluminium alloy of described holding furnace; It is characterized in that: supervisor's one side of the described supervisor of described stalk and the intersection of looped pipeline is provided with a back pressure plate, and the outer wall of described back pressure plate and described supervisor's inwall fit tightly; Described back pressure plate has a plurality of non-rectilinears hole that runs through its upper and lower surface, and described a plurality of non-rectilinears communicate with each other between the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511531 CN202804141U (en) | 2012-09-29 | 2012-09-29 | Low pressure casting equipment of aluminium alloy hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511531 CN202804141U (en) | 2012-09-29 | 2012-09-29 | Low pressure casting equipment of aluminium alloy hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804141U true CN202804141U (en) | 2013-03-20 |
Family
ID=47863085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511531 Expired - Fee Related CN202804141U (en) | 2012-09-29 | 2012-09-29 | Low pressure casting equipment of aluminium alloy hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202804141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801675A (en) * | 2014-02-25 | 2014-05-21 | 昆山众异特机械工业有限公司 | Low-pressure casting die for automobile aluminum wheel hub |
-
2012
- 2012-09-29 CN CN 201220511531 patent/CN202804141U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801675A (en) * | 2014-02-25 | 2014-05-21 | 昆山众异特机械工业有限公司 | Low-pressure casting die for automobile aluminum wheel hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130929 |