CN209953779U - Sprue filter screen for low-pressure casting machine - Google Patents
Sprue filter screen for low-pressure casting machine Download PDFInfo
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- CN209953779U CN209953779U CN201821941189.4U CN201821941189U CN209953779U CN 209953779 U CN209953779 U CN 209953779U CN 201821941189 U CN201821941189 U CN 201821941189U CN 209953779 U CN209953779 U CN 209953779U
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- filter screen
- boss
- pressure casting
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- runner
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to a runner filter screen for low pressure casting machine, this filter screen main part is the same with the shape profile of low pressure casting mould runner, is provided with the boss at the filter screen top is coaxial, and this boss adopts and adopts the same network structure with the filter screen main part, and vertical ligature has the iron wire between filter screen main part and boss. The utility model provides a runner filter screen is placed in runner department, and its network structure does not influence the exhaust and the collection sediment in the casting process, and the filter screen can in time hang the waste residue in the filter screen, and the filter screen is provided with boss and iron wire, and the different modes of being convenient for take, increased its convenience of placing.
Description
Technical Field
The utility model belongs to the metallurgical field relates to the wheel and makes, especially a runner filter screen for low pressure casting machine.
Background
At present, in the manufacturing process of aluminum alloy automobile hubs, a sprue of a low-pressure casting die sometimes plays the role of a riser, such as shrinkage cavity, exhaust and slag collection, but when the aluminum alloy automobile hubs are separated, the separation is still influenced by waste slag due to the difference between the structure of the aluminum alloy automobile hubs and the function of the riser.
At present, the filter screens cast at low pressure mainly comprise three types: wire netting, glass fiber netting, ceramic netting.
The wire mesh filter has a basically stable filtering effect and relatively low cost, so that the wire mesh filter occupies a place in the traditional casting method. The effect of the fiber net is similar to that of the wire netting with the same mesh number in the interception effect.
The glass fiber net is used as a filter material with lower cost and has quite good process adaptability. Both the two filter screens belong to single-layer filtration, and for products with higher quality requirements, for example: the surface roughness requires Ra1.6mm finish turning or the production of more than Ra0.8mm polishing-grade products, and shows great limitation. Meanwhile, due to the characteristics of materials, the fiber net has a not thorough impurity filtering effect, and a certain amount of defects such as pinholes and oxide slag holes are generated on the casting.
The ceramic filter screen is an advanced filtering mode and is widely applied to aluminum castings, copper castings and iron castings. However, due to the particularity of the aluminum alloy wheel, the ceramic filter screen is easy to crack, lose efficacy or fall slag to cause scrapping in the production process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a simple structure, use convenient a runner filter screen for low pressure casting machine.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides a runner filter screen for low pressure casting machine, this filter screen main part is the same with the shape profile of low pressure casting mould runner, is provided with the boss at the filter screen top is coaxial, and this boss adopts the network structure who adopts the same with the filter screen main part, and it has the iron wire to vertically tie between filter screen main part and boss.
Moreover, the filter screen main part is circular.
The utility model has the advantages that:
the utility model provides a runner filter screen is placed in runner department, and its network structure does not influence the exhaust and the collection sediment in the casting process, and the filter screen can in time hang the waste residue in the filter screen, and the filter screen is provided with boss and iron wire, and the different modes of being convenient for take, increased its convenience of placing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a bottom view of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
The utility model provides a runner filter screen for low pressure casting machine, this filter screen main part 1 is the same with the shape profile of low pressure casting mould runner, is circular usually, is provided with boss 3 at the filter screen top is coaxial, and this boss adopts and adopts the same material and network structure with the filter screen main part, and vertical ligature has iron wire 2 between filter screen main part and boss, and boss and iron wire are used for the different modes of taking.
Because the filter screen is located the dead head department of foundry goods, according to the experience of casting trade and casting simulation result, the size of dead head directly influences the quality of foundry goods, therefore we have designed the double-deck foam formula metal filter screen that shows with the boss structure, on the premise of guaranteeing the filter effect, be equivalent to on the single-deck foam metal net increase the cylindrical foam metal mesh of diameter 10mm, as the stress point of pressing the net. Not only can ensure that the filter screen can be compressed and cannot be displaced in the mold filling process, but also can ensure that the diameter of the sprue is enlarged by 4-10 mm. Is suitable for large-scale use in the low-pressure casting industry of the aluminum alloy wheel. The filtering component has good filtering effect, can reach the capacity of large-scale production in the production process, not only reduces the rejection rate of inclusions by about 5.12 percent, but also meets the production requirements of high-end products and special processes.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (2)
1. A runner filter screen for a low-pressure casting machine is characterized in that: the main part of filter screen is the same with the shape profile of low pressure casting mould runner, is provided with the boss at the main part top of filter screen is coaxial, and this boss adopts the network structure the same with the main part of filter screen, and vertical ligature has the iron wire between the main part of filter screen and boss.
2. The sprue screen for a low-pressure casting machine according to claim 1, wherein: the main body of the filter screen is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941189.4U CN209953779U (en) | 2018-11-23 | 2018-11-23 | Sprue filter screen for low-pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941189.4U CN209953779U (en) | 2018-11-23 | 2018-11-23 | Sprue filter screen for low-pressure casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209953779U true CN209953779U (en) | 2020-01-17 |
Family
ID=69235829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941189.4U Active CN209953779U (en) | 2018-11-23 | 2018-11-23 | Sprue filter screen for low-pressure casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209953779U (en) |
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2018
- 2018-11-23 CN CN201821941189.4U patent/CN209953779U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No. 58, Guanghua Street, West District, economic and Technological Development Zone, Binhai New Area, Tianjin, 300450 Patentee after: TIANJIN LIZHONG WHEEL Co.,Ltd. Address before: No.58 Guanghua Street, West District, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN LIZHONG GROUP Co.,Ltd. |