CN201815161U - Filter - Google Patents
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- CN201815161U CN201815161U CN2010205397378U CN201020539737U CN201815161U CN 201815161 U CN201815161 U CN 201815161U CN 2010205397378 U CN2010205397378 U CN 2010205397378U CN 201020539737 U CN201020539737 U CN 201020539737U CN 201815161 U CN201815161 U CN 201815161U
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- CN
- China
- Prior art keywords
- foam ceramic
- ceramic filter
- filter
- filter screen
- liquid metal
- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model provides a filter, which comprises a buffer plate provided with first through holes, a foam ceramic filter screen arranged below the buffer plate, and a support seat fixed below the foam ceramic filter screen and provided with second through holes. With stronger shock resistance capability, the buffer plate arranged above the foam ceramic filter screen plays a part in buffering, so as to reduce the impact effect to the foam ceramic filter screen caused by liquid metal, and protect the foam ceramic filter screen from being broken through or broken. Since the foam ceramic filter screen has better filter effect, and the buffer plate has buffer action, the foam ceramic filter screen can be prevented from producing new foreign matters when being broken through or broken. The second through holes formed on the support seat have main functions of supporting the foam ceramic filter screen, reducing the impact to corners of the foam ceramic filter screen caused by liquid metal, and preventing the foam ceramic filter screen from being broken.
Description
Technical field
The utility model relates to casting technology field, relates in particular to a kind of casting filter.
Background technology
In Foundry Production, because the casting wasted product rate that casting flaws such as non-metallic inclusion cause is generally up to 50%～60%.Inclusion defect not only seriously reduces the mechanical performance of foundry goods, also its processing characteristics and outward appearance is produced adverse effect.By the filtration, purification liquid metal, reduce or eliminate non-metallic inclusion wherein, be one of important measures that obtain high quality casting.
Prior art discloses the multiple filter that is used for filtering liquid metal, and wherein, the foam ceramic filter net is used widely owing to having good filter effect.The foam ceramic filter net is that polyurethane foam plastics is immersed in the coating of being made up of ceramic powders, binding agent, sintering aid, suspending agent etc., squeeze out unnecessary coating then, ceramic coating evenly is coated on becomes base substrate on the polyurethane foam plastics, form with the base substrate oven dry and through high-temperature roasting again.Machinery interception, rectification scum silica frost and deep layer absorption three kinds of filtration, purification mechanism, the bulk inclusion in the filtering liquid metal and most of small suspension clamp foreign material are efficiently crossed by foam ceramic filter Netcom.But, in filter process, high temperature fluent metal can produce active forces such as bigger impact, extruding to the foam ceramic filter net, the foam ceramic filter net is watered wear, fragmentation, the ceramic slag that produces can enter the new field trash of formation in the liquid metal, thereby reduce the quality of foundry goods, cause the defective of cast product.
The straight hole filter also is a kind of filter of filtering liquid metal commonly used, has heat shock resistance power under higher normal temperature strength and the high temperature.But the filter effect of straight hole filter is relatively poor, and the casting product quality that obtains is not high.
The utility model content
In view of this, the utility model provides a kind of filter, and when the filter that the utility model provides was used for filtering liquid metal, filter effect was better, and can not produce new field trash pollution liquid metal.
For achieving the above object, the utility model provides following technical scheme:
A kind of filter comprises:
Buffer substrate tablet, described buffer substrate tablet is provided with first through hole;
Be positioned at the foam ceramic filter net of described buffer substrate tablet below;
Be fixed on described foam ceramic filter side's off the net supporting seat, described supporting seat is provided with second through hole.
Preferably, also comprise the adhesive layer that is located between described foam ceramic filter net and the described supporting seat.
Preferably, described buffer substrate tablet is the straight hole filter.
Preferably, described supporting seat is provided with groove, and described foam ceramic filter net is positioned at described groove.
Preferably, described supporting seat is the straight hole filter.
Preferably, the aperture of described first through hole is less than the aperture of described second through hole.
Compared with prior art, the utility model provides a kind of filter with three-decker, when liquid metal enters filtration system, at first through being provided with the buffer substrate tablet of first through hole, again through foam ceramic filter net and the supporting seat that is provided with second through hole.The buffer substrate tablet impact resistance is stronger, is arranged on foam ceramic filter and can enough plays cushioning effect on the net, reduces the percussion of liquid metal to the foam ceramic filter net, and protection foam ceramic filter net is not breakdown, fragmentation does not take place; Foam ceramic filter net filtration effect is better, and owing to the cushioning effect of buffer substrate tablet, the foam ceramic filter net can not form new field trash because of breakdown fragmentation simultaneously; And the main effect that is provided with the supporting seat of second through hole is to support the foam ceramic filter net, reduces the impact of liquid metal to foam ceramic filter selvage angle, prevents the fragmentation of foam ceramic filter net.This shows, when the screen pack that the utility model provides is used for filtering liquid metal, because the double protection of buffer substrate tablet and supporting seat; fragmentation can not take place in the foam ceramic filter net; can not produce new field trash and pollute liquid metal, therefore the casting defect that obtains is less, and quality is higher.In addition, the filtration device structure that provides of the utility model is simple, easy to make, with low cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structure of filter schematic diagram that Fig. 1 provides for the utility model embodiment.
The specific embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments the utility model is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, Fig. 1 is the structure of filter schematic diagram that the utility model embodiment provides, comprise straight hole filter 1, be positioned at described straight hole filter below foam ceramic filter net 2, be fixed on described foam ceramic filter side's off the net straight hole filter 3 with groove.
The filter effect of foam ceramic filter net 2 is better, main filtration.When foam ceramic filter net 2 is positioned at the below of straight hole filter 1, because the cushioning effect of straight hole filter, active forces such as the impact that foam ceramic filter net 2 is subjected to, extruding are less, therefore can not water wear, broken, fall phenomenon such as slag and produce new field trash and pollute liquid metal.Through foam ceramic filter net 2 time, the field trash in the liquid metal is substantially by filtering.
Foam ceramic filter net 2 is fixed in the groove of straight hole filter 3, cooperatively interacts with described groove, but has the gap.Straight hole filter 3 mainly plays a supportive role, and its groove can be protected the corner of foamed filter net 2, reduces the impact of liquid metal to the corner of foam ceramic filter net 2, avoids the corner of foam ceramic filter net 2 to water and wears or fragmentation, influences filter quality.In other embodiment of the present utility model, can also adopt other supporting seats, as have ceramics seat of through hole etc. with through hole.
In the present embodiment, foam ceramic filter net 2 is fixed on the straight hole filter 3 by adhesive layer 4.Adhesive layer 4 mainly is made up of organic binder bond or inorganic binder, foam ceramic filter net 2 can be fixed on the straight hole filter 3 during described binding agent normal temperature, during high temperature, binding agent can decompose, and makes things convenient for foam ceramic filter net 2 and 3 free wxpansions of straight hole filter.The material that forms adhesive layer includes but not limited to inorganic matters such as organic matter such as polyvinyl butyral resin, polyvinyl alcohol, carboxymethyl cellulose, methylcellulose, lignin, starch, Arabic gum, xanthans, dextrin and Ludox, phosphate, aluminium colloidal sol, waterglass, Alusil.In other embodiment of the present utility model, foam ceramic filter net 2 and straight hole filter 3 also can be fixed by other modes.
In other embodiment of the present utility model, in order to improve filter efficiency, the aperture of straight hole filter 1 is less than the aperture of described straight hole filter 3.
Below be the course of work of the filter that provides of the utility model:
Liquid metal at first passes through straight hole filter 1, straight hole filter 1 plays coarse filtration effect and buffering effect: when flowing through straight hole filter 1, liquid metal changes laminar flow into from turbulent flow, and it is steady to fill type, and its partial impurities that is mingled with can be filtered out by straight hole filter 1 simultaneously;
Reduce through the liquid metal of straight hole filter 1 impulsive force foam ceramic filter net 2, effectively avoided watering wear, the generation of situation such as fragmentation, the 2 performance filtrations of foam ceramic filter net effectively reduce gas and harmful element in the liquid metal;
Because foam ceramic filter net 2 is fixed in the groove of straight hole filter 3, liquid metal reduces the percussion of the corner of foam ceramic filter net 2; Simultaneously, straight hole filter 3 is played a supporting role, and can prevent from also that liquid metal from supporting sand mold to water to wear;
Liquid metal is flowed through behind straight hole filter 1, foam ceramic filter net 2 and the straight hole filter 3 successively, and field trashes such as gas wherein and harmful element effectively reduce; In filter process, because the double protection of straight hole filter 1 and 3 pairs of foam ceramic filter nets 2 of straight hole filter does not produce new field trash yet.Therefore, the filter that the utility model provides has effect preferably when being used for filtering liquid metal, and the casting defect that obtains is less, and quality is higher.In addition, the filtration device structure that provides of the utility model is simple, easy to make, with low cost.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. a filter is characterized in that, comprising:
Buffer substrate tablet, described buffer substrate tablet is provided with first through hole;
Be positioned at the foam ceramic filter net of described buffer substrate tablet below;
Be fixed on described foam ceramic filter side's off the net supporting seat, described supporting seat is provided with second through hole.
2. filter according to claim 1 is characterized in that, also comprises the adhesive layer that is located between described foam ceramic filter net and the described supporting seat.
3. filter according to claim 1 and 2 is characterized in that, described buffer substrate tablet is the straight hole filter.
4. filter according to claim 1 and 2 is characterized in that described supporting seat is provided with groove, and described foam ceramic filter net is positioned at described groove.
5. filter according to claim 4, described supporting seat are the straight hole filter.
6. filter according to claim 1 is characterized in that the aperture of described first through hole is less than the aperture of described second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205397378U CN201815161U (en) | 2010-09-20 | 2010-09-20 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205397378U CN201815161U (en) | 2010-09-20 | 2010-09-20 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201815161U true CN201815161U (en) | 2011-05-04 |
Family
ID=43913133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205397378U Expired - Lifetime CN201815161U (en) | 2010-09-20 | 2010-09-20 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201815161U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128599A (en) * | 2014-08-14 | 2014-11-05 | 济南圣泉倍进陶瓷过滤器有限公司 | Molten metal filtering device |
| CN110180995A (en) * | 2019-05-29 | 2019-08-30 | 共享装备股份有限公司 | A kind of net filter used for casting and running gate system |
| CN114748903A (en) * | 2022-03-24 | 2022-07-15 | 广东高景太阳能科技有限公司 | Mortar cylinder and silicon wafer cutting system |
-
2010
- 2010-09-20 CN CN2010205397378U patent/CN201815161U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128599A (en) * | 2014-08-14 | 2014-11-05 | 济南圣泉倍进陶瓷过滤器有限公司 | Molten metal filtering device |
| CN110180995A (en) * | 2019-05-29 | 2019-08-30 | 共享装备股份有限公司 | A kind of net filter used for casting and running gate system |
| CN114748903A (en) * | 2022-03-24 | 2022-07-15 | 广东高景太阳能科技有限公司 | Mortar cylinder and silicon wafer cutting system |
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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: ASIMCO International (Shanxi) Co., Ltd. foundry Assignor: Jinan Shengquan Beijin Ceramic Filter Co., Ltd. Contract record no.: 2014370000034 Denomination of utility model: Process for purifying and coating on surface of filter by molten aluminium Granted publication date: 20110504 License type: Exclusive License Record date: 20140328 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: ASIMCO International (Shanxi) Co., Ltd. foundry Assignor: Jinan Shengquan Beijin Ceramic Filter Co., Ltd. Contract record no.: 2014370000034 Date of cancellation: 20160205 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |