CN103357818A - Casting method of transferring mold method - Google Patents
Casting method of transferring mold method Download PDFInfo
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- CN103357818A CN103357818A CN2013103155781A CN201310315578A CN103357818A CN 103357818 A CN103357818 A CN 103357818A CN 2013103155781 A CN2013103155781 A CN 2013103155781A CN 201310315578 A CN201310315578 A CN 201310315578A CN 103357818 A CN103357818 A CN 103357818A
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Abstract
The invention discloses a casting method of a transferring mold method, including firstly duplicating a silicon rubber mold to make a cavity mold, covering crystrip on the cavity mold, demolding to make a sand exterior, the bottom surface of which is vertically provided with a grouting hole, putting the silicon rubber mold in the cavity mold, pouring ceramic slurry from the grouting hole, taking out the silicon rubber mold until the ceramic slurry solidifies to obtain a ceramic mold surface, overturning sand mold shape, placing the silicon rubber mold in the cavity mold, covering the other half of a sand box on the upper of the cavity mold, making sand mold endocast, opening the sand box, removing the silicon rubber mold, making a casting system, smoking the ceramic mold surface by acetylene flame, painting an alcohol paint on inner surface of the endocast, baking, strengthening well for casting to obtain casting products. According to the invention, the flexibility of silicon rubber mold helps to easily demold, micro-grain texture of the sand box is not easily damaged, the plasticity of ceramic slurry is fully used for replicating micro-grain texture, and the silicon rubber mold can be reused.
Description
Technical field
The present invention relates to casting method, particularly in the Art Casting field, middle smallclothes art work sand mould casting method.
Background technology
For a long time, casting industry particularly Art Casting industry sand mold can't copy fully to fine line, effect is very not undesirable, many fine lines are easily damaged when model takes out, for better polygram casting product, overcome the deficiency of common moulding, the technology that needs to upgrade changes the status quo.
Summary of the invention
Technical problem to be solved by this invention is that to overcome in the existing casting process fine line sand mold texture appearance print effect poor, and the demoulding damages the defective on moulding surface after the moulding of fine line sand mold, and a kind of metastasis model method casting method is provided.
In order to solve above technical problem, the technical solution used in the present invention is:
A kind of metastasis model method casting method comprises step: (1) is turned over model first and is made silicon rubber liner gypsum mold, turns over silicone rubber model processed with silicon rubber liner gypsum mold; (2) make the die cavity model, the sand mold external form is made in the demoulding behind overlay tree sand fat on the die cavity model, and the cavity dimension of sand mold external form is greater than silicone rubber model, and the sand mold external form is vertically offered grout hole on the bottom surface; (3) silicone rubber model is buckled in the die cavity, from grout hole perfusion ceramic slurry, wait the rear silicone rubber model that takes out of ceramic slurry sclerosis, obtain ceramic profile; (4) upset sand mold external form, put into silicone rubber model in die cavity, second half sandbox on upper cap is made type in the sand mold, open sandbox, taking out silicone rubber model, make running gate system, fire-cures with acetylene torch in ceramic profile surface, interior type inner surface brushing alcohol paint, light baking, reinforce good the cast, obtain cast product.
As preferred technical scheme, in the step (2), the mold cavity surface of sand mold external form is processed through roughening.
As preferred technical scheme, in the step (3), take out silicone rubber model after, blow the floating thing in surface off with compressed gas, with ignite alcohol on the ceramic profile of burning things which may cause a fire disaster.
The present invention also provides a kind of ceramic slurry for above method simultaneously, and it comprises the component of following weight proportion, 100 parts of bauxite sand powders, 40 parts of hydrolyzates, curing agent 0.4-0.5 part; Wherein, curing agent is formulated with volume ratio 1:2 by ammonium acetate and distilled water; Hydrolyzate is formulated by the component of following weight proportion, 80 parts of silester, and 8 parts of distilled water, 12 parts of ethanol, 1 part of acidifying water, this acidifying water is formulated with volume ratio 15:85 by hydrochloric acid and distilled water.
As preferred technical scheme, bauxite sand powder is made into according to weight ratio 35:65 by 70-100 order sand and 200 order powder.
As preferred technical scheme, also comprise defoamer, every kg aluminium alumina sand powder adds the 3.5ml defoamer.
Compared with prior art, the present invention has following beneficial effect: (1) utilizes the pliability of silicone rubber model to be convenient to the demoulding, and the little line skin texture of not fragile sandbox.(2) utilize the plasticity of ceramic slurry can copy little line skin texture fully.(3) silicone rubber model can reuse.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Accompanying drawing 1 is that model turns over silicon rubber liner gypsum mold generalized section processed;
Accompanying drawing 2 is the generalized sections when turning over silicone rubber model processed;
Accompanying drawing 3 is silicone rubber model generalized sections;
Accompanying drawing 4 is swaging die type profile schematic diagrames;
Accompanying drawing 5 is that the die cavity model turns over sand mold external form generalized section processed;
Accompanying drawing 6 is to make sand mold external form inner surface and open the grout hole generalized section;
Accompanying drawing 7 is the generalized sections when making ceramic profile;
Accompanying drawing 8 is the generalized sections when making the interior type of sand mold;
Accompanying drawing 9 is the generalized sections behind the interior external form mould assembly;
Accompanying drawing 10 is cast product generalized sections.
Among the figure, 1-model, 2-silicon rubber liner gypsum mold, 3-silicone rubber model, 4-die cavity model, 5-sand mold external form, 6-die cavity, 7-grout hole, 8-pottery profile, type in the 9-sand mold, 10-cast product, 11-cup.201-silicon rubber liner, the 202-gypsum.
The specific embodiment
The invention provides a kind of metastasis model method casting method, comprise the following stated step.
One, turn over model 1 first and make silicon rubber liner gypsum mold 2, turn over silicone rubber model 3 processed with silicon rubber liner gypsum mold 2.As shown in Figure 1, model 1 removing surface is clean, the brush releasing agent, brush silicon rubber liner 201, Plastering 202 is taken off after the reinforcing, obtains silicon rubber liner gypsum mold 2, as shown in Figure 2, turns over high quality silicon rubber cast 3(Fig. 3 processed with this mould).
Two, make die cavity model 4, sand mold external form 5 is made in the demoulding behind overlay tree sand fat on the die cavity model 4, and die cavity 6 sizes of sand mold external form 5 are greater than silicone rubber model 3, and the sand mold external form is vertically offered grout hole 7 on 5 bottom surfaces.
Such as Fig. 4, die cavity model 4 is close with model 1 physical dimension, die cavity model 4 is placed on the steel plate of level, with half sandbox button thereon, covering resin sand, in layer tamping is made into resin sand sand mold external form 5(Fig. 5).
Such as Fig. 6, the cavity inner surface cutter expansion in sand mold external form 5 makes its each border extended 1-2cm form die cavity 6, and die cavity 6 surfaces of sand mold external form 5 are processed through roughenings.Little sand mold external form 5 boring 2-3cm can obtain grout hole 7 perpendicular to the street.
Three, as shown in Figure 7, silicone rubber model 3 is buckled in the die cavity 6, from grout hole 7 perfusion ceramic slurries, wait the rear silicone rubber model 3 that takes out of ceramic slurry sclerosis, obtain ceramic profile 8.
At first to prepare ceramic slurry:
1, material installation:
1. refractory material a. refractory powder (plumbous calcined bauxite in powder 200 orders) b. fire sand material (bauxite sand 70～100 orders)
2. bonding agent: ethyl silicate 40;
3. curing agent: ammonium acetate;
4. catalyst: 36～38% hydrochloric acid (HCL) (hydrochloric acid: distilled water=15: 85);
5. medium: ethanol (chemically pure reagent);
6. diluent: distilled water;
7. defoamer: n-octyl alcohol;
8. parting compound: vaseline (adding the kerosene dilution)
9. equipment: a. graduated cylinder, measuring cup, volumetric flask, pipette, plastic tub, Plastic Drum, the little platform balance of plastics wooden dipper b..
2. component and content
It comprises the component of following weight proportion, 100 parts of bauxite sand powders, 40 parts of hydrolyzates, curing agent 0.4-0.5 part; Wherein, curing agent is formulated with volume ratio 1:2 by ammonium acetate and distilled water; Hydrolyzate is formulated by the component of following weight proportion, 80 parts of silester, and 8 parts of distilled water, 12 parts of ethanol, 1 part of acidifying water, this acidifying water is formulated with volume ratio 15:85 by hydrochloric acid and distilled water.
Can also add defoamer in above component, every kg aluminium alumina sand powder adds the 3.5ml defoamer.
3. compound method:
(1) hydrolyzate preparation
By proportioning configuration hydrolyzate, to add distilled water according to aequum in ethanol, in order being hydrolyzed fully, to add acidifying water again, stirred 1 ~ 2 minute, thread adds silester and stirred 30 minutes, leaves standstill.Solution temperature remains on 37 ℃ ± 5 ℃ during configuration, and the container that the hydrolyzate for preparing is poured sealing into is put, and (temperature is about 20 ℃) are placed at least after 2～3 hours and could be used under the room temperature, make hydration reaction abundant, and solution temperature is identical with room temperature.
(2) preparation of curing agent
According to weather conditions, temperature height, general control to the hydrolyzate quality 1%～1.25% between, the concrete condition appropriateness is adjusted.
(3), the preparation of ceramic slurry
According to consumption configuration bauxite sand powder, wherein, 70-100 order sand and 200 order powder are made into according to weight ratio 35:65.In the sand powder that configures, add hydrolyzate, constantly stir, add the n-octyl alcohol defoamer, stir, without precipitation, without bubble.Adding curing agent continues to stir 1-2 minute again.
The below provides a kind of concrete proportioning table, and its component and content are: bauxite sand powder 100 grams, hydrolyzate 40 grams, curing agent 0.4-0.5 gram; Wherein, curing agent is formulated with volume ratio 1:2 by ammonium acetate and distilled water; Hydrolyzate is formulated by the component of following weight proportion, silester 80 grams, and distilled water 8 grams, ethanol 12 grams, acidifying water 1 gram, this acidifying water is formulated with volume ratio 15:85 by hydrochloric acid and distilled water.Bauxite sand powder is made into according to weight ratio 35:65 by 70-100 order sand and 200 order powder.Ratio in 3.5ml/1kg bauxite sand powder adds defoamer.
Continue to stir 1 ~ 2 minute after adding curing agent, when etc. feel certain viscosity being arranged, the ceramic mould slip is injected die cavity 6 from grout hole 7, slight vibrations sand mold allows slip be full of whole die cavity 6 in the process.The slip state variation of grout hole 7 is observed in cementing sclerosis after 15 ~ 20 minutes, when ceramic slurry reaches some strength and is elastic stage, upset sand mold external form, pottery profile 8 lies on the steel plate up, after taking out silicone rubber model 3, blow the floating thing in surface off with compressed gas, with ignite alcohol on the ceramic profile 8 of burning things which may cause a fire disaster.
Four, upset sand mold external form 5 is put into silicone rubber model 3 in die cavity 6, second half sandbox on upper cap, make type 9(Fig. 8 in the sand mold), open sandbox, take out silicone rubber model 3, make running gate system, fire-cure with acetylene torch in pottery profile surface, interior type inner surface brushing alcohol paint is lighted baking, pour into a mould (Fig. 9) from cup 11 after reinforcing well, obtain cast product 10(Figure 10).
Claims (6)
1. metastasis model method casting method, it is characterized in that comprising step: (1) is used first model (1) to turn over and is made silicon rubber liner gypsum mold (2), turn over silicone rubber model processed (3) with silicon rubber liner gypsum mold (2); (2) make die cavity model (4), sand mold external form (5) is made in the demoulding behind the upper overlay tree sand fat of die cavity model (4), die cavity (6) size of sand mold external form (5) is greater than silicone rubber model (3), and sand mold external form (5) is vertically offered grout hole (7) on the bottom surface; (3) silicone rubber model (3) is buckled in the die cavity (6), from grout hole (7) perfusion ceramic slurry, wait the rear silicone rubber model (3) that takes out of ceramic slurry sclerosis, obtain ceramic profile (8); (4) upset sand mold external form (5), put into silicone rubber model (3) in die cavity (6), second half sandbox on upper cap is made type (9) in the sand mold, open sandbox, taking out silicone rubber model (3), make running gate system, fire-cures with acetylene torch in ceramic profile surface, interior type inner surface brushing alcohol paint, light baking, reinforce good the cast, obtain cast product (10).
2. method according to claim 1 is characterized in that: in the step (2), process through roughening on the die cavity (6) of sand mold external form (5) surface.
3. method according to claim 1 and 2 is characterized in that: in the step (3), take out silicone rubber model (3) after, blow the floating thing in surface off with compressed gas, with ignite alcohol on the ceramic profile (8) of burning things which may cause a fire disaster.
4. a ceramic slurry that is used for the described method of claim 1-3 is characterized in that: comprise the component of following weight proportion, 100 parts of bauxite sand powders, 40 parts of hydrolyzates, curing agent 0.4-0.5 part; Wherein, curing agent is formulated with volume ratio 1:2 by ammonium acetate and distilled water; Hydrolyzate is formulated by the component of following weight proportion, 80 parts of silester, and 8 parts of distilled water, 12 parts of ethanol, 1 part of acidifying water, this acidifying water is formulated with volume ratio 15:85 by hydrochloric acid and distilled water.
5. ceramic slurry according to claim 4, it is characterized in that: bauxite sand powder is made into according to weight ratio 35:65 by 70-100 order sand and 200 order powder.
6. ceramic slurry according to claim 4, it is characterized in that: also comprise defoamer, every kg aluminium alumina sand powder adds the 3.5ml defoamer.
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| CN201310315578.1A CN103357818B (en) | 2013-07-25 | 2013-07-25 | A kind of metastasis model method casting method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707937A (en) * | 2015-02-13 | 2015-06-17 | 佛山市峰华卓立制造技术有限公司 | Method for preparing sand mold by using reverse mold and sand mold preparation method |
| CN108789771A (en) * | 2018-06-14 | 2018-11-13 | 郑州远东耐火材料有限公司 | A kind of preparation method of hot investment casting fused cast refractories sand mo(u)ld |
| CN109014083A (en) * | 2018-08-27 | 2018-12-18 | 共享智能铸造产业创新中心有限公司 | A kind of filling coating method of Complicated structure casting entirety sand mold |
| CN109047656A (en) * | 2018-09-26 | 2018-12-21 | 上海艺极模具有限公司 | A kind of production method and foaming mould of the master mold of foaming mould |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4682643A (en) * | 1983-10-20 | 1987-07-28 | Nu Con Corporation | Method of producing molded parts and casting pattern therefor |
| CN1270859A (en) * | 2000-04-29 | 2000-10-25 | 华中理工大学 | Fast metal mold producing technology |
| CN1385265A (en) * | 2002-03-26 | 2002-12-18 | 华中科技大学 | Technology for precision casting metal die and parts |
| CN1721206A (en) * | 2004-07-16 | 2006-01-18 | 朱勇胜 | Process of making low-melting point metal hollow artwork |
| CN1883965A (en) * | 2006-06-23 | 2006-12-27 | 清华大学 | Method for casting glass artwork by using water-soluble ceramic mould |
| CN1974074A (en) * | 2006-12-19 | 2007-06-06 | 武汉重工铸锻有限责任公司 | Process of making large bronze bell over 100 tons |
| CN201042732Y (en) * | 2007-01-24 | 2008-04-02 | 张祖临 | Metal casting mold with radiator fan for manufacturing grinding ball of pot mill |
-
2013
- 2013-07-25 CN CN201310315578.1A patent/CN103357818B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4682643A (en) * | 1983-10-20 | 1987-07-28 | Nu Con Corporation | Method of producing molded parts and casting pattern therefor |
| CN1270859A (en) * | 2000-04-29 | 2000-10-25 | 华中理工大学 | Fast metal mold producing technology |
| CN1385265A (en) * | 2002-03-26 | 2002-12-18 | 华中科技大学 | Technology for precision casting metal die and parts |
| CN1721206A (en) * | 2004-07-16 | 2006-01-18 | 朱勇胜 | Process of making low-melting point metal hollow artwork |
| CN1883965A (en) * | 2006-06-23 | 2006-12-27 | 清华大学 | Method for casting glass artwork by using water-soluble ceramic mould |
| CN1974074A (en) * | 2006-12-19 | 2007-06-06 | 武汉重工铸锻有限责任公司 | Process of making large bronze bell over 100 tons |
| CN201042732Y (en) * | 2007-01-24 | 2008-04-02 | 张祖临 | Metal casting mold with radiator fan for manufacturing grinding ball of pot mill |
Non-Patent Citations (1)
| Title |
|---|
| 颜永年等: "《快速成形与铸造技术》", 31 October 2004, 机械工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707937A (en) * | 2015-02-13 | 2015-06-17 | 佛山市峰华卓立制造技术有限公司 | Method for preparing sand mold by using reverse mold and sand mold preparation method |
| CN108789771A (en) * | 2018-06-14 | 2018-11-13 | 郑州远东耐火材料有限公司 | A kind of preparation method of hot investment casting fused cast refractories sand mo(u)ld |
| CN109014083A (en) * | 2018-08-27 | 2018-12-18 | 共享智能铸造产业创新中心有限公司 | A kind of filling coating method of Complicated structure casting entirety sand mold |
| CN109047656A (en) * | 2018-09-26 | 2018-12-21 | 上海艺极模具有限公司 | A kind of production method and foaming mould of the master mold of foaming mould |
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| CN103357818B (en) | 2016-04-13 |
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Address after: 044402 Yuda Bronze Culture Industrial Park, Xia County, Yuncheng City, Shanxi Province Patentee after: SHANXI YUDA BRONZE CULTURE & ART CO.,LTD. Address before: 044402 Yuda Bronze Culture Industrial Park, Xia County, Yuncheng City, Shanxi Province Patentee before: Shanxi Yuda Group Co.,Ltd. |
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