CN202823019U - Double-layer filter structure of expendable pattern casting sand box - Google Patents
Double-layer filter structure of expendable pattern casting sand box Download PDFInfo
- Publication number
- CN202823019U CN202823019U CN 201220529422 CN201220529422U CN202823019U CN 202823019 U CN202823019 U CN 202823019U CN 201220529422 CN201220529422 CN 201220529422 CN 201220529422 U CN201220529422 U CN 201220529422U CN 202823019 U CN202823019 U CN 202823019U
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- CN
- China
- Prior art keywords
- negative pressure
- holes
- double
- layer filter
- filter structure
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a double-layer filter structure of an expendable pattern casting sand box. The structure comprises a box body, wherein a filter bag and a clapboard with holes are arranged in the box body; a casting working chamber is arranged above the clapboard with holes; a negative pressure chamber is arranged below the clapboard with holes; a filter screen is arranged at a lower end of the clapboard with holes; an exhaust pipe is connected at the bottom of the negative pressure chamber; a plurality of gas-guide plates are arranged in the negative pressure chamber to form a cone; the lower ends of the cone-shaped gas-guide plates are connected with the exhaust pipe; and the exhaust pipe is connected with a negative pressure device. The double-layer filter structure has the advantages of uniform exhaust, simple structure, convenience for use and assurance of product quality.
Description
Technical field
The utility model relates to a kind of lost foam casting sandbox double-layer filter structure.
Background technology
Existing lost foam casting sandbox, when bleeding, the negative pressure everywhere in the sandbox working chamber is even not, only has one deck filter bag, and filter effect is bad, affects carrying out smoothly of lost foam casting operation, and casting product quality out can not be guaranteed.
The utility model content
Technical problem to be solved in the utility model is: the lost foam casting sandbox double-layer filter structure that a kind of good filtration effect is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the lost foam casting sandbox double-layer filter structure, comprise: casing, in casing, be provided with filter bag and dividing plate with holes, the top of dividing plate with holes is the foundry work chamber, the below of dividing plate with holes is negative pressure cavity, lower end at described dividing plate with holes is provided with filter screen, bottom at negative pressure cavity is connected with exhaust tube, in negative pressure cavity, be provided with aeroscopic plate, some aeroscopic plates form taper shape, and the lower end of conical aeroscopic plate is connected with exhaust tube, and suction tube is connected with negative pressure device.
The utility model has the advantages that: above-mentioned lost foam casting sandbox double-layer filter structure, bleed evenly, good filtration effect, simple in structure, easy to use, guaranteed product quality.
Description of drawings
Fig. 1 is the structural representation of the utility model lost foam casting sandbox double-layer filter structure.
Among the figure: 1, casing, 2, filter bag, 3, dividing plate with holes, 4, the foundry work chamber, 5, negative pressure cavity, 6, filter screen, 7, exhaust tube, 8, aeroscopic plate.
The specific embodiment
Describe particular content of the present utility model in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the lost foam casting sandbox double-layer filter structure, comprise: casing 1, in casing 1, be provided with filter bag 2 and dividing plate with holes 3, the top of dividing plate 3 with holes is foundry work chamber 4, the below of dividing plate 3 with holes is negative pressure cavity 5, be provided with filter screen 6 in the lower end of described dividing plate 3 with holes, be connected with exhaust tube 7 in the bottom of negative pressure cavity 5, in negative pressure cavity 5, be provided with aeroscopic plate 8, some aeroscopic plates 8 form conical, and the lower end of conical aeroscopic plate 8 is connected with exhaust tube 7, and suction tube 7 is connected with negative pressure device.
Above-mentioned lost foam casting sandbox double-layer filter structure is bled evenly, and good filtration effect is simple in structure, easy to use, has guaranteed product quality.
Claims (1)
1. lost foam casting sandbox double-layer filter structure, comprise: casing (1), in casing (1), be provided with filter bag (2) and dividing plate with holes (3), the top of dividing plate with holes (3) is foundry work chamber (4), the below of dividing plate with holes (3) is negative pressure cavity (5), it is characterized in that: be provided with filter screen (6) in the lower end of described dividing plate with holes (3), be connected with exhaust tube (7) in the bottom of negative pressure cavity (5), in negative pressure cavity (5), be provided with aeroscopic plate (8), some aeroscopic plates (8) form conical, the lower end of conical aeroscopic plate (8) is connected with exhaust tube (7), and suction tube (7) is connected with negative pressure device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529422 CN202823019U (en) | 2012-10-16 | 2012-10-16 | Double-layer filter structure of expendable pattern casting sand box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529422 CN202823019U (en) | 2012-10-16 | 2012-10-16 | Double-layer filter structure of expendable pattern casting sand box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823019U true CN202823019U (en) | 2013-03-27 |
Family
ID=47934820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220529422 Expired - Fee Related CN202823019U (en) | 2012-10-16 | 2012-10-16 | Double-layer filter structure of expendable pattern casting sand box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823019U (en) |
-
2012
- 2012-10-16 CN CN 201220529422 patent/CN202823019U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU XINHAI TECHNOLOGY DEVELOPMENT Co.,Ltd. Assignor: Yancheng Xinhai Machinery Co.,Ltd. Contract record no.: 2014320000261 Denomination of utility model: Double-layer filter structure of lost foam casting flask Granted publication date: 20130327 License type: Exclusive License Record date: 20140326 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU XINHAI TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER NAME: JIANGSU XINHAI INDUSTRIAL TECHNOLOGY DEVELOPMENT CO., LTD. Owner name: JIANGSU XINHAI INDUSTRIAL TECHNOLOGY DEVELOPMENT C Free format text: FORMER NAME: YANCHENG XINHAI MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 224005 Salt Road, Chang Zhuang Street, Yancheng City, Jiangsu, 31 Patentee after: JIANGSU XINHAI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 224005 Salt Road, Chang Zhuang Street, Yancheng City, Jiangsu, 31 Patentee before: Jiangsu Xinhai Industry Technology Development Co.,Ltd. Address after: 224005 Salt Road, Chang Zhuang Street, Yancheng City, Jiangsu, 31 Patentee after: Jiangsu Xinhai Industry Technology Development Co.,Ltd. Address before: 224005 Salt Road, Chang Zhuang Street, Yancheng City, Jiangsu, 31 Patentee before: Yancheng Xinhai Machinery Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20151016 |
|
| EXPY | Termination of patent right or utility model |