CN201329407Y - Gravitation casting mold of aluminum alloy automobile hub - Google Patents
Gravitation casting mold of aluminum alloy automobile hub Download PDFInfo
- Publication number
- CN201329407Y CN201329407Y CNU2009201427935U CN200920142793U CN201329407Y CN 201329407 Y CN201329407 Y CN 201329407Y CN U2009201427935 U CNU2009201427935 U CN U2009201427935U CN 200920142793 U CN200920142793 U CN 200920142793U CN 201329407 Y CN201329407 Y CN 201329407Y
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- center riser
- utility
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- riser head
- insulated feeder
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Abstract
The utility model discloses a gravitation casting mold of an aluminum alloy automobile hub, including a workpiece mould cavity (2), a sprue (5) and a center riser head (3), wherein the center riser head (3) is provided with a thermal insulation riser head (4) covering an external circumstance surface of the center riser head (3). By means of the above technical scheme, it is capable of overcoming defects of increasing a center riser head, reducing a rate of obtaining an aluminum material and adding a casting cost; it is also capable of avoiding defects of decreasing a temperature retention due to the paint exfoliation caused by using the thermal insulation paint and having a poor stability improved by a mounting face shrinkage void.
Description
Technical field
The utility model belongs to the technical field of auto parts and components technological equipment for making, and specifically, the utility model relates to a kind of automotive hub gravity casting die of aluminium alloy.
Background technology
In aluminium alloy automobile hub gravitational casting field, because the thick partially mould (containing the ET negative) of installed surface thickness, its installed surface shrinkage cavity probability of occurrence is very high.Those skilled in the art adopts center riser to strengthen, adjust methods such as cooling and use thermal-insulating type plastics and improve, but effect is not very remarkable for head it off.Because: center riser strengthens, and the aluminium material must the material rate reduce, and the casting cost improves, and is subjected to the slug hole size impact, and it is too many that the center riser size can not add; And adjust cooling and use the mode of thermal-insulating type plastics to improve, the improvement degree is limited, poor stability.
The utility model content
Problem to be solved in the utility model provides a kind of automotive hub gravity casting die of aluminium alloy, its objective is to overcome the shrinkage cavity that its installed surface of the thick partially mould of installed surface thickness occurs.
To achieve these goals, the technical scheme taked of the utility model is:
The automotive hub gravity casting die of this aluminium alloy provided by the utility model comprises workpiece cavity, cast gate and center riser, on described center riser, establishes insulated feeder, and described insulated feeder is wrapped on the outer surface of described center riser.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
The outer surface of described center riser is cylindrical, and described insulated feeder is be provided with central through hole cylindrical, and described insulated feeder tight fit is enclosed within on the outer surface of center riser.
The insulation material of described insulated feeder is heat-preservation cotton or heat insulating paste.
The utility model adopts technique scheme, has overcome the shortcoming that center riser increasing, aluminium material must the material rate reduce, the casting cost improves; Also avoided using thermal insulation coatings to cause coating to peel off and the heat insulating ability variation, make the installed surface shrinkage cavity improve the shortcoming of poor stability.
Description of drawings
Below expressed content of the accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is a structural representation of the present utility model.
Be labeled as among the figure:
1, casting mould, 2, workpiece cavity, 3, center riser, 4, insulated feeder, 5, cast gate.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1 is a kind of automotive hub gravity casting die of aluminium alloy, and this casting mould 1 comprises workpiece cavity 2, cast gate 5 and center riser 3.The high temperature aluminum liquid that is poured into by cast gate 5 during cast is till center riser 3 rising heads such as grade flow out.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, be implemented on the thick partially mould of installed surface thickness, overcome the goal of the invention of the shrinkage cavity of installed surface appearance, the technical scheme that the utility model is taked is:
As shown in Figure 1, the automotive hub gravity casting die of this aluminium alloy provided by the utility model on described center riser 3, is established insulated feeder 4, and described insulated feeder 4 is wrapped on the outer surface of described center riser 3.
Technique scheme when the aluminium alloy automobile hub gravitational casting is provided, overcomes the method for installed surface shrinkage cavity.Its method is the outside that insulation material is wrapped in center riser 3, and thickness is decided according to the installed surface shrinkage cavity order of severity.Overcome and strengthened the shortcoming that center riser, aluminium material must the material rate reduce, the casting cost improves; Also overcome the use thermal insulation coatings and caused coating to peel off, and caused the heat insulating ability variation, made the installed surface shrinkage cavity improve the shortcoming of poor stability.
According to the X-RAY check result, the installed surface contraction cavity ratio order of severity is implemented the insulation to the center riser 3 of aluminium alloy gravity casting hub casting mould 1.Can disappear until the installed surface shrinkage cavity by normal casting technique production simultaneously.
Be the concrete exemplifying embodiment that the utility model proposes below, those skilled in the art can be with reference to selecting for use when implementing the utility model:
Embodiment one:
The outer surface of center riser 3 described in the utility model is cylindrical, and described insulated feeder 4 is for to be provided with the cylindrical of central through hole, and described insulated feeder 4 tight fits are enclosed within on the outer surface of center riser 3.
Technique scheme has guaranteed the heat insulation effect of 4 pairs of center risers 3 of insulated feeder, and make and install comparatively convenient.
Embodiment two:
The insulation material of insulated feeder 4 described in the utility model is heat-preservation cotton or heat insulating paste.
Heat-preservation cotton and heat insulating paste are all better than the effect that adopts thermal insulation coatings, and resistance to elevated temperatures is better, also difficult drop-off.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (3)
1, a kind of automotive hub gravity casting die of aluminium alloy, comprise workpiece cavity (2), cast gate (5) and center riser (3), it is characterized in that: on described center riser (3), if insulated feeder (4), described insulated feeder (4) is wrapped on the outer surface of described center riser (3).
2, according to the automotive hub gravity casting die of the described aluminium alloy of claim 1, it is characterized in that: the outer surface of described center riser (3) is cylindrical, for to be provided with the cylindrical of central through hole, described insulated feeder (4) tight fit is enclosed within on the outer surface of center riser (3) described insulated feeder (4).
3, according to the automotive hub gravity casting die of claim 1 or 2 described aluminium alloys, it is characterized in that: the insulation material of described insulated feeder (4) is heat-preservation cotton or heat insulating paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201427935U CN201329407Y (en) | 2009-01-20 | 2009-01-20 | Gravitation casting mold of aluminum alloy automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201427935U CN201329407Y (en) | 2009-01-20 | 2009-01-20 | Gravitation casting mold of aluminum alloy automobile hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201329407Y true CN201329407Y (en) | 2009-10-21 |
Family
ID=41222782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201427935U Expired - Fee Related CN201329407Y (en) | 2009-01-20 | 2009-01-20 | Gravitation casting mold of aluminum alloy automobile hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201329407Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029383A (en) * | 2010-12-14 | 2011-04-27 | 何丙军 | Aluminum alloy wheel gravity casting die and casting method thereof |
| CN102029377A (en) * | 2010-12-08 | 2011-04-27 | 何丙军 | Low-pressure casting die of aluminium alloy wheel and casting method thereof |
| CN103203433A (en) * | 2013-04-11 | 2013-07-17 | 浙江保康轮毂制造有限公司 | Aluminum alloy hub deep climbing rim structure forming technology |
| CN103433468A (en) * | 2013-08-08 | 2013-12-11 | 无锡锦绣轮毂有限公司 | System and method for pressure-assisted metal gravity casting |
| CN104550833A (en) * | 2015-01-01 | 2015-04-29 | 涂圣俊 | Casting structure for vehicle wheel rough castings |
-
2009
- 2009-01-20 CN CNU2009201427935U patent/CN201329407Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102029377A (en) * | 2010-12-08 | 2011-04-27 | 何丙军 | Low-pressure casting die of aluminium alloy wheel and casting method thereof |
| CN102029377B (en) * | 2010-12-08 | 2013-10-30 | 何丙军 | Low-pressure casting die of aluminium alloy wheel and casting method thereof |
| CN102029383A (en) * | 2010-12-14 | 2011-04-27 | 何丙军 | Aluminum alloy wheel gravity casting die and casting method thereof |
| CN102029383B (en) * | 2010-12-14 | 2012-10-17 | 何丙军 | Aluminum alloy wheel gravity casting die and casting method thereof |
| CN103203433A (en) * | 2013-04-11 | 2013-07-17 | 浙江保康轮毂制造有限公司 | Aluminum alloy hub deep climbing rim structure forming technology |
| CN103433468A (en) * | 2013-08-08 | 2013-12-11 | 无锡锦绣轮毂有限公司 | System and method for pressure-assisted metal gravity casting |
| CN103433468B (en) * | 2013-08-08 | 2016-04-27 | 无锡锦绣轮毂有限公司 | The auxiliary pressure gravity casting system of metal mold and casting method |
| CN104550833A (en) * | 2015-01-01 | 2015-04-29 | 涂圣俊 | Casting structure for vehicle wheel rough castings |
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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: 20091021 Termination date: 20150120 |
|
| EXPY | Termination of patent right or utility model |