CN201848524U - Aluminum alloy die-casting die - Google Patents
Aluminum alloy die-casting die Download PDFInfo
- Publication number
- CN201848524U CN201848524U CN2010206121187U CN201020612118U CN201848524U CN 201848524 U CN201848524 U CN 201848524U CN 2010206121187 U CN2010206121187 U CN 2010206121187U CN 201020612118 U CN201020612118 U CN 201020612118U CN 201848524 U CN201848524 U CN 201848524U
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- CN
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- Prior art keywords
- sprue bush
- sprue
- die
- bush
- flow cone
- 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.)
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Abstract
The utility model relates to an aluminum alloy die-casting die, which comprises a fixed die and a moving die separable from each other. The fixed die is provided with a sprue bush connected with a nozzle or a pressure chamber, the moving die is provided with a sprue spreader matched with the sprue bush, the sprue spreader and the sprue bush are in radial conical fit, a 0.2-0.3mm clearance is reserved between end face joints of the sprue spreader and the sprue bush, an included angle between a conical face of the sprue bush and a horizontal line is 8 degrees +/- 0.5 degree, and an included angle between the conical face of the sprue spreader and the horizontal line is 4 degrees+/-0.5 degrees. Radial clearances are reserved between end faces of the sprue spreader and the spruce bush, certain allowance is reserved for expansion and extrusion, crack between the sprue bush and the sprue spreader during die casting is avoided, and service lives of the sprue bush and the sprue spreader are prolonged.
Description
Technical field
The utility model relates to a kind of compression mod, specifically relates to a kind of aluminum alloy die-casting die.
Background technology
Compression mod, promptly die casting die (die-casting die) is in the compression casting forming technology, in order to the employed metal die of shaped casting.Aluminium alloy casting die then is the particular manufacturing craft of die-cast aluminum alloy workpiece.By separable fixed half and moving half combination, cover half is fixed on the cover half installing plate usually for it, establishes sprue bush and connects with nozzle or pressure chamber; Dynamic model is fixed on the dynamic model installing plate, establishes the branch flow cone.Dynamic model servo-actuated mold mounting plate is made the folding mould and is moved.During matched moulds, sprue bush constitutes die cavity and casting system with dividing flow cone, and liquid metals under high pressure is full of die cavity; During die sinking, dynamic model separates with cover half, by means of the ejecting mechanism that is located on the dynamic model foundry goods is released.
The sprue bush of aluminum current alloy die-casting is that end face contact with dividing flow cone, radially for the circular cone cooperation, joins work in process, and horizontal gradient is 5 °, so very close to each other between sprue bush and the branch flow cone behind the matched moulds.Sprue bush and branch flow cone are the passages that aluminium liquid enters mold cavity, and the impact difference that is subjected in the filling process of aluminium water, the heat difference of absorption, swell increment are also different.Because the technology of die casting is worked under high temperature and high pressure, the fluid pressure during the foundry goods moulding acts on branch flow cone taper seat and the sprue bush simultaneously, produces the footpath and upwards pressure.Divide flow cone and sprue bush to expand simultaneously under action of high temperature again, under the effect of pressure, increased the planar friction power on two sides, long-term use causes sprue bush spalling breakage and product size deviation to occur easily.The way that solves is normally changed sprue bush at present, has not only increased production cost but do like this, and has influenced production efficiency.
Summary of the invention
At the defective of prior art, the utility model provides a kind of improved aluminium alloy casting die.
For reaching above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of aluminium alloy casting die, comprise separable cover half and dynamic model, cover half is established sprue bush and is connected with nozzle or pressure chamber, dynamic model is established the branch flow cone that is complementary with sprue bush, divide flow cone and sprue bush radially circular cone cooperate, wherein, establish the gap of 0.2-0.3mm in the end joints of minute flow cone and sprue bush, the conical surface of sprue bush and horizontal angle are 8 ° ± 0.5 °, and dividing the conical surface and the horizontal angle of flow cone is 4 ° ± 0.5 °.The best is the gap of establishing 0.2mm in the end joints of minute flow cone and sprue bush, and the conical surface of sprue bush and horizontal angle are 8 °, and dividing the conical surface and the horizontal angle of flow cone is 4 °.
Aluminium alloy casting die of the present utility model, sprue bush and branch flow cone axially and are radially all being reserved corresponding gap, for expanding and pushing and reserved certain surplus, avoid sprue bush in the press casting procedure and divided spalling between flow cone, sprue bush and branch flow cone life-span have been prolonged, saved because of the frequent man-hour of sprue bush waste and the expense of sprue bush changed, reduced production cost, improved efficient.Product structure is simple, and is easy to use, economical and practical, has preferable social economic value, suitable applying.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the utility model aluminium alloy casting die.
The specific embodiment
As shown in the figure, a kind of aluminium alloy casting die, comprise separable cover half 1 and dynamic model 2, cover half 1 is established sprue bush 11 and is connected with nozzle or pressure chamber, dynamic model 2 is established the branch flow cone 21 that is complementary with sprue bush 11, divide flow cone 21 and sprue bush 11 radially circular cone cooperate, 1 in gap that the end joints of minute flow cone 21 and sprue bush 11 is established 0.2-0.3mm, the best is 0.2mm, and the end joints of promptly dividing flow cone 21 and sprue bush 11 is than cover half 1 and the low 0.2mm of 2 die joints of dynamic model.The conical surface of sprue bush 11 and horizontal angle α are 8 °, can fluctuate 0.5 °.Dividing the conical surface and the horizontal angle β of flow cone is 4 °, can fluctuate 0.5 °.Described sprue bush 11 is contacted with branch flow cone 21 end faces axially and radially all leaving certain clearance.For expanding and certain surplus has been reserved in extruding, avoid sprue bush in the press casting procedure and divided spalling between flow cone, prolonged sprue bush and divided the flow cone life-span.
The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma qualification.Any change that is equal to, modification or differentiation etc. that all those skilled in the art utilize the technical solution of the utility model that the foregoing description is made all still belong in the scope of technical solutions of the utility model.
Claims (2)
1. an aluminium alloy casting die comprises separable cover half and dynamic model, and cover half is established sprue bush and nozzle or pressed the chamber to connect, and dynamic model is established the branch flow cone that is complementary with sprue bush, and branch flow cone and sprue bush radially circular cone cooperate, and it is characterized in that:
In the gap that the end joints of minute flow cone and sprue bush is established 0.2-0.3mm, the conical surface of sprue bush and horizontal angle are 8 ° ± 0.5 °, and dividing the conical surface and the horizontal angle of flow cone is 4 ° ± 0.5 °.
2. aluminium alloy casting die according to claim 1 is characterized in that:
The gap of the end joints of described minute flow cone and sprue bush is 0.2mm, and the conical surface of sprue bush and horizontal angle are 8 °, and dividing the conical surface and the horizontal angle of flow cone is 4 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206121187U CN201848524U (en) | 2010-11-18 | 2010-11-18 | Aluminum alloy die-casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206121187U CN201848524U (en) | 2010-11-18 | 2010-11-18 | Aluminum alloy die-casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201848524U true CN201848524U (en) | 2011-06-01 |
Family
ID=44090937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206121187U Expired - Fee Related CN201848524U (en) | 2010-11-18 | 2010-11-18 | Aluminum alloy die-casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201848524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848025A (en) * | 2015-06-05 | 2018-03-27 | 奥斯卡弗里茨两合公司 | Hot flow path feed system for die casting |
-
2010
- 2010-11-18 CN CN2010206121187U patent/CN201848524U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848025A (en) * | 2015-06-05 | 2018-03-27 | 奥斯卡弗里茨两合公司 | Hot flow path feed system for die casting |
| US10618108B2 (en) | 2015-06-05 | 2020-04-14 | Oskar Frech Gmbh + Co. Kg | Hot runner feed system for a diecasting mould |
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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: 20110601 Termination date: 20131118 |