CN201329405Y - Shrinkage porosity resistance and air leakage resistance structure for aluminum alloy automobile hub gravitation casting mold - Google Patents
Shrinkage porosity resistance and air leakage resistance structure for aluminum alloy automobile hub gravitation casting mold Download PDFInfo
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- CN201329405Y CN201329405Y CNU2009201427899U CN200920142789U CN201329405Y CN 201329405 Y CN201329405 Y CN 201329405Y CN U2009201427899 U CNU2009201427899 U CN U2009201427899U CN 200920142789 U CN200920142789 U CN 200920142789U CN 201329405 Y CN201329405 Y CN 201329405Y
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Abstract
The utility model discloses a shrinkage porosity resistance and air leakage resistance structure for an aluminum alloy automobile hub gravitation casting mold, wherein the casting mold is a net-shaped mold and provided with a workpiece mould cavity (1), a blind feeder is arranged on at a position of a net-shaped mold window (2) of the net-shaped mold. Comparing with the existing technical scheme, the technical scheme of the utility model has an obvious effect of complementing shrinkage of the hub, and improves the phenomenon of RIM shrinkage/loose and air leakage obviously. Thereby, the requirements of cooling, jet printing mold agent thickness, species regulation or bottom die bag heat insulation cotton are all reduced.
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 the anti-shrinkage porosite gas leakage of a kind of aluminium alloy automobile hub gravity casting die structure.
Background technology
At present, aluminium alloy automobile hub is used widely in passenger car market.The utilization quality of aluminium alloy wheel hub gravitational casting technology directly influences the yield rate and the production cost of Birmasil wheel hub.Particularly netted model mould though take to adjust measures such as cooling, spray coat thickness, kind adjustment or bed die bag heat-preservation cotton, there is no obvious improvement.The gas leakage that major defect is 5 ° of irregular shrinkage porosites in line place of RIM portion and is caused by shrinkage porosite, leak rate even reach 30%～90%.
The utility model content
Problem to be solved in the utility model provides the anti-shrinkage porosite gas leakage of a kind of aluminium alloy automobile hub gravity casting die structure, its objective is the shrinkage porosite and the gas leakage at the RIM place that solves aluminium alloy automobile hub.
To achieve these goals, the technical scheme taked of the utility model is:
The anti-shrinkage porosite gas leakage of this aluminium alloy automobile hub gravity casting die provided by the utility model structure, described casting mould is netted mould, is provided with workpiece cavity, the netted mould position of window on described netted mould is provided with blind riser.
Perhaps described casting mould is thin rib mould, is provided with workpiece cavity, and the thin rib mould position of window on described thin rib mould is provided with blind 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 diameter dimension of described blind riser is 3mm～5mm.
When described casting mould jet mould, No. 34 coating of described silent rising head place spray, the thickness of coating is 1.0～1.5mm.
The utility model adopts technique scheme, compares with existing technical scheme, and is obvious to wheel hub feeding effect, and the phenomenon of RIM shrinkage porosite and gas leakage is had obvious improvement.Therefore the requirement to cooling, spray coat thickness, kind adjustment or bed die bag heat-preservation cotton reduces.
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, workpiece cavity, 2, netted mould window, 3, blind riser, 4, wheel hub RIM.
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 the anti-shrinkage porosite gas leakage of a kind of aluminium alloy automobile hub gravity casting die structure, and described casting mould is netted mould, is provided with workpiece cavity 1.Perhaps described casting mould is thin rib mould, is provided with workpiece cavity 1.
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, realize solving the shrinkage porosite at RIM place of aluminium alloy automobile hub and the goal of the invention of gas leakage, the technical scheme that the utility model is taked is:
As shown in Figure 1, the anti-shrinkage porosite gas leakage of this aluminium alloy automobile hub gravity casting die provided by the utility model structure, the position of the netted mould window 2 on described netted mould is provided with blind riser 3.
Perhaps the position of the thin rib mould window 2 on described thin rib mould is provided with blind riser 3.
Technique scheme adopts the method for window blind riser, solves shrinkage porosite and gas leakage that netted mould peptide ring (RIM) is wheel hub RIM4, compares with existing technical scheme, and is obvious to wheel hub feeding effect, and the phenomenon of RIM shrinkage porosite and gas leakage is had obvious improvement.Therefore the requirement to cooling, spray coat thickness, kind adjustment or bed die bag heat-preservation cotton reduces.
Below be the concrete exemplifying embodiment that the utility model provides, when implementing the utility model, select for use for those skilled in the art:
Embodiment one:
The diameter dimension of blind riser 3 described in the utility model is 3mm～5mm.
Embodiment two:
When casting mould described in the utility model, described silent rising head 3 place's spray paints, the thickness of coating is 1.0～1.5mm.
Casting mould is examined the jet mould temperature, and other position is by the normal mode jet mould, and No. 34 coating are sprayed at silent rising head 3 places, and THICKNESS CONTROL is at 1.0～1.5mm.Installed surface adopts air cooling.
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, the anti-shrinkage porosite gas leakage of a kind of aluminium alloy automobile hub gravity casting die structure, described casting mould is netted mould or thin rib mould, be provided with workpiece cavity (1), it is characterized in that: the position of the netted mould window (2) on described netted mould, perhaps the thin rib mould window on described thin rib mould is provided with blind riser (3).
2, according to the anti-shrinkage porosite gas leakage of the described aluminium alloy automobile hub gravity casting die of claim 1 structure, it is characterized in that: the diameter dimension of described blind riser (3) is 3mm～5mm.
3, according to the anti-shrinkage porosite gas leakage of the described aluminium alloy automobile hub gravity casting die of claim 1 structure, it is characterized in that: when described casting mould jet mould, described silent rising head (3) is located spray paint, and the thickness of coating is 1.0～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201427899U CN201329405Y (en) | 2009-01-20 | 2009-01-20 | Shrinkage porosity resistance and air leakage resistance structure for aluminum alloy automobile hub gravitation casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201427899U CN201329405Y (en) | 2009-01-20 | 2009-01-20 | Shrinkage porosity resistance and air leakage resistance structure for aluminum alloy automobile hub gravitation casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201329405Y true CN201329405Y (en) | 2009-10-21 |
Family
ID=41222780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201427899U Expired - Fee Related CN201329405Y (en) | 2009-01-20 | 2009-01-20 | Shrinkage porosity resistance and air leakage resistance structure for aluminum alloy automobile hub gravitation casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201329405Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728791A (en) * | 2012-07-11 | 2012-10-17 | 何丙军 | Gravity machine casting mould, equipment and casting method of aluminum alloy wheel |
-
2009
- 2009-01-20 CN CNU2009201427899U patent/CN201329405Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728791A (en) * | 2012-07-11 | 2012-10-17 | 何丙军 | Gravity machine casting mould, equipment and casting method of aluminum alloy wheel |
| CN102728791B (en) * | 2012-07-11 | 2016-01-13 | 何丙军 | A kind of aluminum alloy wheel gravity casting die |
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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 |