CN109079094A - The thermally conductive uniform moulding sand for casting of one kind and its manufacturing process - Google Patents
The thermally conductive uniform moulding sand for casting of one kind and its manufacturing process Download PDFInfo
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- CN109079094A CN109079094A CN201810877358.0A CN201810877358A CN109079094A CN 109079094 A CN109079094 A CN 109079094A CN 201810877358 A CN201810877358 A CN 201810877358A CN 109079094 A CN109079094 A CN 109079094A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
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Abstract
The invention discloses a kind of thermally conductive uniform moulding sand for casting and its manufacturing process, molding sand is it is characterised in that it includes following parts by weight raw material: 20-30 parts of silica sand, 16-26 parts of quartz sand, 10-15 parts of kaolin, 12-17 parts of binder, 16-28 parts of zircon sand, 10-15 parts of sodium carbonate, 9-16 parts of magnesia, 8-15 parts of bentonite, 10-16 parts of titanium dioxide, 9-13 parts of curing agent, 7-15 parts of diatomite, 11-18 parts of wollastonite in powder, 13-18 parts of glass fibre；The thermally conductive uniform moulding sand for casting of one kind of the present invention and its manufacturing process, material science proportion being capable of high temperature resistant, the homogeneous exquisiteness of the molding sand of production, good heat conductivity have certain toughness, it can make cast(ing) surface uniform and smooth, will not crack and stress hole, casting long service life.
Description
Technical field
The present invention relates to machine casting processing technique fields, and in particular to the thermally conductive uniform moulding sand for casting of one kind and its preparation
Technique.
Background technique
Casting is to melt METAL HEATING PROCESS for liquid, is cast to former, in formpiston, the component of machine that cold-zone obtains, zero
For component in the manufacturing process from liquid to solid, the environment in casting die is extremely important, after often affecting cast member
Physical attribute, mechanical attributes, service life etc.
Conventional cast part is all that completion casts, is molding in molding sand, and the performance of molding sand, attribute at high temperature are all affected and poured
The later service life of part is cast, the formula of traditional molding sand is fairly simple, and granular size is different, and conduction inequality is even, makes to cast
Inside parts are easy to produce crackle, stress hole etc..
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, provides the thermally conductive uniform moulding sand for casting of one kind and its manufacture work
Skill is mixed by silica sand, quartz sand, zircon sand, then adds the physical attribute of binder, curing agent reinforcing molding sand, makes cast member
It is heated evenly in casting process, performance is good.
To achieve the goals above, the present invention is achieved by the following technical solutions: type is used in the thermally conductive uniform casting of one kind
Sand forms: 20-30 parts of silica sand, 16-26 parts of quartz sand, 10-15 parts of kaolin, binder 12- according to the raw material of following parts by weight
17 parts, 16-28 parts of zircon sand, 10-15 parts of sodium carbonate, 9-16 parts of magnesia, 8-15 parts of bentonite, 10-16 parts of titanium dioxide, hardening
9-13 parts of agent, 7-15 parts of diatomite, 11-18 parts of wollastonite in powder, 13-18 parts of glass fibre.
Further, a kind of thermally conductive uniform moulding sand for casting is formed according to the raw material of following parts by weight: 23-27 parts of silica sand,
18-22 parts of quartz sand, 12-14 parts of kaolin, 13-16 parts of binder, 18-24 parts of zircon sand, 12-14 parts of sodium carbonate, magnesia 10-
15 parts, 9-14 parts of bentonite, 11-15 parts of titanium dioxide, 10-12 parts of curing agent, 8-14 parts of diatomite, 13-17 parts of wollastonite in powder,
14-17 parts of glass fibre.
Further, a kind of thermally conductive uniform moulding sand for casting forms: 25 parts of silica sand, stone according to the raw material of following parts by weight
20 parts of sand, 13 parts of kaolin, 14 parts of binder, 22 parts of zircon sand, 13 parts of sodium carbonate, 14 parts of magnesia, 12 parts of bentonite, dioxy
Change 13 parts of titanium, 11 parts of curing agent, 12 parts of diatomite, 15 parts of wollastonite in powder, 15 parts of glass fibre.
The thermally conductive uniform moulding sand for casting of one kind and its manufacturing process, include the following steps:
S1, the ratio silica sand, quartz sand, zircon sand were mixed into 50-60 mesh, and got rid of big shape particle, it is fine and smooth to obtain mixing
Sand；
S2, the ratio kaolin, bentonite, diatomite were mixed into 80-90 mesh, and removed big shape granular soil, is mixed
Soil；
S3, fine and smooth sand, the composite soil that S2 is obtained, corresponding ratio sodium carbonate, magnesia, titanium dioxide, silicon are mixed by what S1 was obtained
Limestone flour, glass fibre stir together, and mixing obtains raw material A；
S4, the raw material A that S3 is obtained is sent into sand washer and is cleaned, dried in being sent into dryer, obtain raw material B；
Binder, the curing agent of corresponding ratio is added in S5, the raw material B for obtaining S4, obtains thermally conductive uniform moulding sand for casting.
In summary the invention has the following advantages: thermally conductive uniform moulding sand for casting prepared by the present invention, makes
The component of machine cast out, is heated evenly, and mechanical strength is good, and surface is smooth, inside do not have stress hole and fine cracks, have compared with
In the prolonged use service life, molding sand is at low cost, being capable of large scale preparation popularization.
Specific embodiment
Specific embodiment 1: a kind of thermally conductive uniform moulding sand for casting fertilizer forms: silica sand according to the raw material of following parts by weight
20 parts, 16 parts of quartz sand, 10 parts of kaolin, 12 parts of binder, 16 parts of zircon sand, 10 parts of sodium carbonate, 9 parts of magnesia, bentonite 8
Part, 10 parts of titanium dioxide, 9 parts of curing agent, 7 parts of diatomite, 11 parts of wollastonite in powder, 13 parts of glass fibre.
A kind of preparation process of thermally conductive uniform moulding sand for casting are as follows:
S1, the ratio silica sand, quartz sand, zircon sand were mixed into 50 meshes, and got rid of big shape particle, and obtained mixing fine and smooth sand；
S2, the ratio kaolin, bentonite, diatomite were mixed into 80 meshes, and removed big shape granular soil, obtains composite soil；
S3, fine and smooth sand, the composite soil that S2 is obtained, corresponding ratio sodium carbonate, magnesia, titanium dioxide, silicon are mixed by what S1 was obtained
Limestone flour, glass fibre stir together, and mixing obtains raw material A；
S4, the raw material A that S3 is obtained is sent into sand washer and is cleaned, dried in being sent into dryer, obtain raw material B；
Binder, the curing agent of corresponding ratio is added in S5, the raw material B for obtaining S4, obtains thermally conductive uniform moulding sand for casting.
Specific embodiment 2: a kind of thermally conductive uniform moulding sand for casting forms: 25 parts of silica sand, stone according to following raw material
20 parts of sand, 13 parts of kaolin, 14 parts of binder, 22 parts of zircon sand, 13 parts of sodium carbonate, 14 parts of magnesia, 12 parts of bentonite, dioxy
Change 13 parts of titanium, 11 parts of curing agent, 12 parts of diatomite, 15 parts of wollastonite in powder, 15 parts of glass fibre.
A kind of preparation process of thermally conductive uniform moulding sand for casting are as follows:
S1, the ratio silica sand, quartz sand, zircon sand were mixed into 55 meshes, and got rid of big shape particle, and obtained mixing fine and smooth sand；
S2, the ratio kaolin, bentonite, diatomite were mixed into 85 meshes, and removed big shape granular soil, obtains composite soil；
S3, fine and smooth sand, the composite soil that S2 is obtained, corresponding ratio sodium carbonate, magnesia, titanium dioxide, silicon are mixed by what S1 was obtained
Limestone flour, glass fibre stir together, and mixing obtains raw material A；
S4, the raw material A that S3 is obtained is sent into sand washer and is cleaned, dried in being sent into dryer, obtain raw material B；
Binder, the curing agent of corresponding ratio is added in S5, the raw material B for obtaining S4, obtains thermally conductive uniform moulding sand for casting.
Specific embodiment 3: a kind of thermally conductive uniform moulding sand for casting forms: 30 parts of silica sand, stone according to following raw material
26 parts of sand, 15 parts of kaolin, 17 parts of binder, 28 parts of zircon sand, 15 parts of sodium carbonate, 16 parts of magnesia, 15 parts of bentonite, dioxy
Change 16 parts of titanium, 13 parts of curing agent, 15 parts of diatomite, 18 parts of wollastonite in powder, 18 parts of glass fibre.
A kind of preparation process of thermally conductive uniform moulding sand for casting are as follows:
S1, the ratio silica sand, quartz sand, zircon sand were mixed into 60 meshes, and got rid of big shape particle, and obtained mixing fine and smooth sand；
S2, the ratio kaolin, bentonite, diatomite were mixed into 90 meshes, and removed big shape granular soil, obtains composite soil；
S3, fine and smooth sand, the composite soil that S2 is obtained, corresponding ratio sodium carbonate, magnesia, titanium dioxide, silicon are mixed by what S1 was obtained
Limestone flour, glass fibre stir together, and mixing obtains raw material A；
S4, the raw material A that S3 is obtained is sent into sand washer and is cleaned, dried in being sent into dryer, obtain raw material B；
Binder, the curing agent of corresponding ratio is added in S5, the raw material B for obtaining S4, obtains thermally conductive uniform moulding sand for casting.
Embodiment provided above is better embodiment of the invention, only is used to facilitate to illustrate the present invention, not to this hair
It is bright to make any form of restriction, any those of ordinary skill in the art, if not departing from the proposed skill of the present invention
In the range of art feature, using the equivalent embodiment for locally changing or modifying made by disclosed technology contents, and
Without departing from technical feature content of the invention, in the range of still falling within the technology of the present invention feature.
Claims (4)
1. a kind of thermally conductive uniform moulding sand for casting, which is characterized in that be made of raw material from the following weight: 20-30 parts of silica sand, stone
16-26 parts of sand, 10-15 parts of kaolin, 12-17 parts of binder, 16-28 parts of zircon sand, 10-15 parts of sodium carbonate, magnesia 9-16
Part, 8-15 parts of bentonite, 10-16 parts of titanium dioxide, 9-13 parts of curing agent, 7-15 parts of diatomite, 11-18 parts of wollastonite in powder, glass
13-18 parts of glass fiber.
2. the thermally conductive uniform moulding sand for casting of one kind according to claim 1, which is characterized in that by the raw material of following parts by weight
It is made: 23-27 parts of silica sand, 18-22 parts of quartz sand, 12-14 parts of kaolin, 13-16 parts of binder, 18-24 parts of zircon sand, sodium carbonate
12-14 parts, 10-15 parts of magnesia, 9-14 parts of bentonite, 11-15 parts of titanium dioxide, 10-12 parts of curing agent, diatomite 8-14
Part, 13-17 parts of wollastonite in powder, 14-17 parts of glass fibre.
3. the thermally conductive uniform moulding sand for casting of one kind according to claim 2, which is characterized in that by the raw material of following parts by weight
Composition: 25 parts of silica sand, 20 parts of quartz sand, 13 parts of kaolin, 14 parts of binder, 22 parts of zircon sand, 13 parts of sodium carbonate, magnesia 14
Part, 12 parts of bentonite, 13 parts of titanium dioxide, 11 parts of curing agent, 12 parts of diatomite, 15 parts of wollastonite in powder, 15 parts of glass fibre.
4. a kind of manufacturing process of thermally conductive uniform moulding sand for casting according to claim 1 to 3, which is characterized in that packet
Include following steps:
S1, the ratio silica sand, quartz sand, zircon sand were mixed into 50-60 mesh, and got rid of big shape particle, it is fine and smooth to obtain mixing
Sand；
S2, the ratio kaolin, bentonite, diatomite were mixed into 80-90 mesh, and removed big shape granular soil, is mixed
Soil；
S3, fine and smooth sand, the composite soil that S2 is obtained, corresponding ratio sodium carbonate, magnesia, titanium dioxide, silicon are mixed by what S1 was obtained
Limestone flour, glass fibre stir together, and mixing obtains raw material A；
S4, the raw material A that S3 is obtained is sent into sand washer and is cleaned, dried in being sent into dryer, obtain raw material B；
Binder, the curing agent of corresponding ratio is added in S5, the raw material B for obtaining S4, obtains thermally conductive uniform moulding sand for casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877358.0A CN109079094A (en) | 2018-08-03 | 2018-08-03 | The thermally conductive uniform moulding sand for casting of one kind and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877358.0A CN109079094A (en) | 2018-08-03 | 2018-08-03 | The thermally conductive uniform moulding sand for casting of one kind and its manufacturing process |
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| CN109079094A true CN109079094A (en) | 2018-12-25 |
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| CN201810877358.0A Withdrawn CN109079094A (en) | 2018-08-03 | 2018-08-03 | The thermally conductive uniform moulding sand for casting of one kind and its manufacturing process |
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Citations (8)
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|---|---|---|---|---|
| CN103272993A (en) * | 2013-04-16 | 2013-09-04 | 繁昌县恒鑫汽车零部件有限公司 | Molding sand manufactured from quartz sand as main material and manufacturing method thereof |
| CN103567362A (en) * | 2013-10-11 | 2014-02-12 | 铜陵市经纬流体科技有限公司 | Pre-coated sand with high strength and low gas evolution rate and preparation method thereof |
| CN105108038A (en) * | 2015-08-14 | 2015-12-02 | 郭伟 | High-collapsibility hydrotalcite modified composite sodium silicate-bonded sand for steel casting and preparation method of composite sodium silicate-bonded sand |
| CN105170873A (en) * | 2015-08-21 | 2015-12-23 | 合肥市田源精铸有限公司 | Novel modified molding sand |
| CN106001391A (en) * | 2016-07-29 | 2016-10-12 | 无锡市三峰仪器设备有限公司 | Foundry sand with high air permeability |
| CN107214291A (en) * | 2017-04-18 | 2017-09-29 | 芜湖市和蓄机械股份有限公司 | A kind of high temperature resistant, casting sand of high intensity and preparation method thereof |
| CN107671234A (en) * | 2017-09-30 | 2018-02-09 | 江苏闽江矿业有限公司 | A kind of moulding sand for casting formula |
| CN107671231A (en) * | 2017-09-29 | 2018-02-09 | 马鞍山松鹤信息科技有限公司 | A kind of aluminium alloy casting sand and preparation method thereof |
-
2018
- 2018-08-03 CN CN201810877358.0A patent/CN109079094A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272993A (en) * | 2013-04-16 | 2013-09-04 | 繁昌县恒鑫汽车零部件有限公司 | Molding sand manufactured from quartz sand as main material and manufacturing method thereof |
| CN103567362A (en) * | 2013-10-11 | 2014-02-12 | 铜陵市经纬流体科技有限公司 | Pre-coated sand with high strength and low gas evolution rate and preparation method thereof |
| CN105108038A (en) * | 2015-08-14 | 2015-12-02 | 郭伟 | High-collapsibility hydrotalcite modified composite sodium silicate-bonded sand for steel casting and preparation method of composite sodium silicate-bonded sand |
| CN105170873A (en) * | 2015-08-21 | 2015-12-23 | 合肥市田源精铸有限公司 | Novel modified molding sand |
| CN106001391A (en) * | 2016-07-29 | 2016-10-12 | 无锡市三峰仪器设备有限公司 | Foundry sand with high air permeability |
| CN107214291A (en) * | 2017-04-18 | 2017-09-29 | 芜湖市和蓄机械股份有限公司 | A kind of high temperature resistant, casting sand of high intensity and preparation method thereof |
| CN107671231A (en) * | 2017-09-29 | 2018-02-09 | 马鞍山松鹤信息科技有限公司 | A kind of aluminium alloy casting sand and preparation method thereof |
| CN107671234A (en) * | 2017-09-30 | 2018-02-09 | 江苏闽江矿业有限公司 | A kind of moulding sand for casting formula |
Non-Patent Citations (1)
| Title |
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| 中国机械工程学会铸造分会: "《铸造手册 第4卷 造型材料》", 31 May 2002, 机械工业出版社 * |
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Application publication date: 20181225 |