CN102503453B - Composite aluminum silicate fiber blockage sleeve and manufacturing method thereof - Google Patents
Composite aluminum silicate fiber blockage sleeve and manufacturing method thereof Download PDFInfo
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- CN102503453B CN102503453B CN 201110311919 CN201110311919A CN102503453B CN 102503453 B CN102503453 B CN 102503453B CN 201110311919 CN201110311919 CN 201110311919 CN 201110311919 A CN201110311919 A CN 201110311919A CN 102503453 B CN102503453 B CN 102503453B
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Abstract
The invention relates to the field of aluminum alloy molten mass casting and aims to provide a composite aluminum silicate fiber blockage sleeve and a manufacturing method thereof. The composite aluminum silicate fiber blockage sleeve contains the following components in percentage by weight: 40-50% of SiO2, 25-35% of Al2O3, 14-20% of ZrO2, 3.5-5.0% of MgO, 21.0-1.5% of TiO2 and 0.5-1.5% of others; and in the manufacturing method thereof, a one-time vacuum absorption forming process is adopted, the blockage sleeve is produced by controlling the vacuum pressure, and the production efficiency and the product appearance uniformity are both greatly improved. In addition, the materials adopted by the product comprise high-purity zirconium oxide fiber in addition to the aluminum silicate fiber, so that the high-purity zirconium oxide fiber and the aluminum silicate fiber are compounded into the high-strength, high-tenacity, low-density and high-temperature-resistant composite aluminum silicate fiber blockage sleeve.
Description
Technical field
The present invention relates to aluminium and aluminium alloy melt casting field, specifically, is the stifled cover of a kind of complex silicate aluminum fiber, and the preparation method of this stifled cover.
Background technology
[0002] stifled cover is the vitals that aluminium and aluminium alloy bars castingprocesses use, and its Main Function is to block aluminium hydraulic control aluminium flow quantity processed in aluminium and aluminium alloy casting.
At present, existing stifled cover manufacturer is less, and the material of manufacturing is all also asbestine or clayey, forming method is for leaning on winding method or adhesion method, and the production technique of employing mostly is the full artisan craftsmanship that falls behind, so production efficiency is low, product appearance difference is large, and quality is also uneven.And this class is stifled is enclosed within aluminium and aluminium alloy casting process, uses complex operation, waste of material serious, and poor safety performance, can not play well the purpose of blocking aluminium liquid and controlling flow.On the other hand, the stifled cover of asbestine product heat resistance is poor, and shape is wayward and irregular, uses and makes the human injury large; The stifled cover of clayey material is evacuated, and intensity is not high, uses and easily falls slag, and slag inclusion is also easily brought in use procedure into, and therefore existing stifled cover all awaits being improved further.
Summary of the invention
The invention reside in and overcome above-mentioned deficiency of the prior art, a kind of high strength, high tenacity, low density, high temperature resistant and adopt stifled cover of complex silicate aluminum fiber of disposal vacuum adsorption forming and preparation method thereof are provided.
To achieve these goals, technical scheme of the present invention is as follows:
The stifled cover of a kind of complex silicate aluminum fiber, the mass percent of described stifled cover component is SiO
240%-50%, Al
2O
325%-35%, ZrO
214%-20%, MgO 3.5%-5.0%, TiO
21.0%-1.5%, other 0.5%-1.5%.
The invention also discloses the preparation method of the stifled cover of above-mentioned complex silicate aluminum fiber, adopt disposal vacuum adsorption forming technique, specifically comprise the following steps:
(1) aluminosilicate fiber cotton and high-purity zirconia cellucotton are poured into held in the troughing that water is arranged, open the electric motor Water Pump Circulation System, with the cellucotton mixing and stirring;
(2) change successively water in troughing, the conjugated fibre cotton is cleaned repeatedly, between then its suction being displayed, displayed the elimination excessive moisture 20-24 hour;
(3) conjugated fibre that will display is cotton to be taken out, and pours in reaction tank, adds successively fabric softening, slurry suspension agent, binding agent and water, mixes;
(4) slurry in reaction tank is evacuated in container, utilizes stifled sleeve forming mould, open vacuum pump, slurry is adsorbed on die surface makes blank, then with supporting metal sleeve polishing blank surface, then close vacuum pump, base substrate is taken out;
(5) will block up the cover base substrate and be positioned on brandreth, and push oven dry in the electric oven stove room, bake out temperature is set as 180 ℃-200 ℃, and drying time is 8-10 hour;
(6) dried stifled cover is pulled out drying room, package by fixed qty after cooling, vanning.
As a further improvement on the present invention, the weight ratio of the aluminium silicate fiber peacekeeping high-purity zirconia fiber in described step (1) is 2:1-4:1.
As a further improvement on the present invention, the troughing in described step (1) adopts ring structure, is provided with the stainless steel impeller whirler in the pond, cellucotton can be smashed to mix.
As a further improvement on the present invention, between displaying in described step (2), the grid Drainage Design is adopted in the bottom.
As a further improvement on the present invention, the fabric softening in described step (3) adopts the technical grade light magnesium oxide; Described magnesium oxide purity is greater than 95%.
As a further improvement on the present invention, silicon powder is adopted in the slurry suspension agent in described step (3); The particle diameter of described silicon powder is 1000 orders.
As a further improvement on the present invention, the binding agent in described step (3) adopts at least a in silicon sol, fire-resistant white glues.
As a further improvement on the present invention, the fabric softening in described step (3) adds 10-30 part, and the slurry suspension agent adds 15-35 part, and binding agent adds 40-60 part, then adds entry 200-300 part, is weight proportion.
As a further improvement on the present invention, the stifled sleeve forming mould in described step (4) is the alloy aluminum material, offers the draining aperture on its mold wall.
The present invention has overcome the defective of currently available products, at first improved the quality of production of stifled cover from technique, owing to adopting disposal vacuum adsorption forming technique, produce stifled cover by controlling vacuum pressure, production efficiency and product appearance homogeneity have all obtained greatly improving.In addition, the material that this product adopts is except aluminum silicate fiber, and adding has the high-purity zirconia fiber, thereby is combined into a kind of high strength, high tenacity, low density, the stifled cover of resistant to elevated temperatures compound silicic acid aluminum fiber.
Embodiment
The stifled cover of aluminium of the present invention and used in aluminium alloy casting complex silicate aluminum fiber adopts alumina-silicate ceramic fibre and high-purity zirconia filamentary material, therefore has high intensity, high toughness, good resistance to elevated temperatures and corrosion resistance nature.Each constituent mass per-cent of stifled cover is: SiO
240%-50%, Al
2O
325%-35%, ZrO
214%-20%, MgO 3.5%-5.0%, TiO
2Other 0.5%-1.5% of 1.0%-1.5%.
Describe the present invention in detail below by specific embodiment.
Embodiment 1:
A) in the 2:1 ratio, aluminosilicate fiber cotton and high-purity zirconia cellucotton are poured into and held in the troughing that water is arranged, open the electric motor Water Pump Circulation System, with the cellucotton mixing and stirring;
B) change water secondary in troughing, with the cotton cleaning of conjugated fibre three times, between then its suction being displayed, displayed the elimination excessive moisture 20 hours;
C) conjugated fibre that will display is cotton to be taken out, and pours in reaction tank, adds by weight ratio successively 10 parts, magnesium oxide, 35 parts of silicon powders, 55 parts of silicon sol, and then adds 200 parts, water, mixes;
D) slurry in reaction tank is evacuated in container, utilizes stifled sleeve forming mould, open vacuum pump, slurry is adsorbed on die surface makes blank, then with supporting metal sleeve polishing blank surface, then close vacuum pump, base substrate is taken out;
E) will block up the cover base substrate and be positioned on brandreth, and push oven dry in the electric oven stove room, bake out temperature is set as 180 ℃, and drying time is 10 hours;
F) dried stifled cover is pulled out drying room, package by fixed qty after cooling, vanning.
Embodiment 2:
A) in the 3:1 ratio, aluminosilicate fiber cotton and high-purity zirconia cellucotton are poured into and held in the troughing that water is arranged, open the electric motor Water Pump Circulation System, with the cellucotton mixing and stirring;
B) change water secondary in troughing, with the cotton cleaning of conjugated fibre three times, between then its suction being displayed, displayed the elimination excessive moisture 22 hours;
C) conjugated fibre that will display is cotton to be taken out, and pours in reaction tank, adds by weight ratio successively 25 parts, magnesium oxide, 15 parts of silicon powders, 60 parts of fire-resistant white glues, and then adds 250 parts, water, mixes;
D) slurry in reaction tank is evacuated in container, utilizes stifled sleeve forming mould, open vacuum pump, slurry is adsorbed on die surface makes blank, then with supporting metal sleeve polishing blank surface, then close vacuum pump, base substrate is taken out;
E) will block up the cover base substrate and be positioned on brandreth, and push oven dry in the electric oven stove room, bake out temperature is set as 190 ℃, and drying time is 8.5 hours;
F) dried stifled cover is pulled out drying room, package by fixed qty after cooling, vanning.
Embodiment 3:
A) in the 4:1 ratio, aluminosilicate fiber cotton and high-purity zirconia cellucotton are poured into and held in the troughing that water is arranged, open the electric motor Water Pump Circulation System, with the cellucotton mixing and stirring;
B) change water secondary in troughing, with the cotton cleaning of conjugated fibre three times, between then its suction being displayed, displayed the elimination excessive moisture 24 hours;
C) conjugated fibre that will display is cotton to be taken out, and pours in reaction tank, adds by weight ratio successively 30 parts, magnesium oxide, 30 parts of silicon powders, 10 parts of silicon sol, 30 parts of fire-resistant white glues, and then adds 300 parts, water, mixes;
D) slurry in reaction tank is evacuated in container, utilizes stifled sleeve forming mould, open vacuum pump, slurry is adsorbed on die surface makes blank, then with supporting metal sleeve polishing blank surface, then close vacuum pump, base substrate is taken out;
E) will block up the cover base substrate and be positioned on brandreth, and push oven dry in the electric oven stove room, bake out temperature is set as 200 ℃, and drying time is 8 hours;
F) dried stifled cover is pulled out drying room, package by fixed qty after cooling, vanning.
Adopt the stifled cover of complex silicate aluminum fiber of disposal vacuum adsorption forming, the outward appearance homogeneous, production efficiency is high; By adding the high-purity zirconia fiber, product has again high intensity, high toughness, good resistance to elevated temperatures and corrosion resistance nature, and overlap certainly as containing zirconium pure aluminium silicate material due to stifled, therefore can not corroded and permeate by the aluminium solution in aluminium liquid castingprocesses, guarantee that aluminium liquid is not subjected to contaminating impurity.
At last, it should be noted that above what enumerate is only 3 kinds of specific embodiments of the present invention.Obviously, the present invention is not limited to above embodiment, and a lot of distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate all should be thought protection scope of the present invention.
Claims (9)
1. the preparation method of the stifled cover of complex silicate aluminum fiber, is characterized in that, the mass percent of described stifled cover component is SiO
240%-50%, Al
2O
325%-35%, ZrO
214%-20%, MgO3.5%-5.0%, TiO
21.0%-1.5%, other 0.5%-1.5% adopts disposal vacuum adsorption forming technique, specifically comprises the following steps:
(1) aluminosilicate fiber cotton and high-purity zirconia cellucotton are poured into held in the troughing that water is arranged, open the electric motor Water Pump Circulation System, with the cellucotton mixing and stirring;
(2) change successively water in troughing, the conjugated fibre cotton is cleaned repeatedly, between then its suction being displayed, displayed the elimination excessive moisture 20-24 hour;
(3) conjugated fibre that will display is cotton to be taken out, and pours in reaction tank, adds successively fabric softening, slurry suspension agent, binding agent and water, mixes;
(4) slurry in reaction tank is evacuated in container, utilizes stifled sleeve forming mould, open vacuum pump, slurry is adsorbed on die surface makes blank, then with supporting metal sleeve polishing blank surface, then close vacuum pump, base substrate is taken out;
(5) will block up the cover base substrate and be positioned on brandreth, and push oven dry in the electric oven stove room, bake out temperature is set as 180 ℃-200 ℃, and drying time is 8-10 hour;
(6) dried stifled cover is pulled out drying room, package by fixed qty after cooling, vanning.
2. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, the weight ratio of the aluminium silicate fiber peacekeeping high-purity zirconia fiber in described step (1) is 2:1-4:1.
3. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, the troughing in described step (1) adopts ring structure, is provided with the stainless steel impeller whirler in the pond, cellucotton can be smashed to mix.
4. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, between displaying in described step (2), the grid Drainage Design is adopted in the bottom.
5. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, the fabric softening in described step (3) adopts the technical grade light magnesium oxide; Described magnesium oxide purity is greater than 95%.
6. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, silicon powder is adopted in the slurry suspension agent in described step (3); The particle diameter of described silicon powder is 1000 orders.
7. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, the binding agent in described step (3) adopts at least a in silicon sol, fire-resistant white glues.
8. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, the fabric softening in described step (3) adds 10-30 part, the slurry suspension agent adds 15-35 part, binding agent adds 40-60 part, then adds entry 200-300 part, is weight proportion.
9. the preparation method of the stifled cover of complex silicate aluminum fiber according to claim 1, is characterized in that, the stifled sleeve forming mould in described step (4) is the alloy aluminum material, offers the draining aperture on its mold wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110311919 CN102503453B (en) | 2011-10-15 | 2011-10-15 | Composite aluminum silicate fiber blockage sleeve and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110311919 CN102503453B (en) | 2011-10-15 | 2011-10-15 | Composite aluminum silicate fiber blockage sleeve and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102503453A CN102503453A (en) | 2012-06-20 |
| CN102503453B true CN102503453B (en) | 2013-06-12 |
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| CN 201110311919 Expired - Fee Related CN102503453B (en) | 2011-10-15 | 2011-10-15 | Composite aluminum silicate fiber blockage sleeve and manufacturing method thereof |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61157249A (en) * | 1984-12-28 | 1986-07-16 | Toshiba Corp | Melted material leakage preventing jig for casting rotor |
| CN1340480A (en) * | 2000-09-01 | 2002-03-20 | 山东鲁阳股份有限公司 | Mechanically made ceramic fibre plate |
| CN101050124A (en) * | 2006-04-09 | 2007-10-10 | 严掌贵 | New type product of refractory fiber |
| CN101423400B (en) * | 2008-12-04 | 2012-02-29 | 西南铝业（集团）有限责任公司 | Refractory materials and refractory equipment for aluminum alloy melt casting, and method for preparing refractory equipment |
| CN101797633B (en) * | 2010-04-06 | 2011-09-28 | 宁波市江北区协成工业炉制造有限公司 | Electric holding furnace for aluminum alloy die-casting |
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Inventor after: Zhao Yingjie Inventor after: Wang Xia Inventor after: Wang Shuifu Inventor after: Wang Jianxin Inventor after: Wang Wei Inventor before: Wang Xia Inventor before: Wang Shuifu Inventor before: Wang Jianxin Inventor before: Wang Wei |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG XIA WANG SHUIFU WANG JIANXIN WANG WEI TO: ZHAO YINGJIE WANG XIA WANG SHUIFU WANG JIANXIN WANG WEI |
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Granted publication date: 20130612 Termination date: 20161015 |
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