CN101486073A - Electromagnetic metal mould and method for producing the same - Google Patents

Electromagnetic metal mould and method for producing the same Download PDF

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Publication number
CN101486073A
CN101486073A CN 200810136435 CN200810136435A CN101486073A CN 101486073 A CN101486073 A CN 101486073A CN 200810136435 CN200810136435 CN 200810136435 CN 200810136435 A CN200810136435 A CN 200810136435A CN 101486073 A CN101486073 A CN 101486073A
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China
Prior art keywords
electromagnetic
mold
casting
metal mold
core
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Granted
Application number
CN 200810136435
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Chinese (zh)
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CN101486073B (en
Inventor
杨林龙
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Suzhou Mingzhi Technology Co., Ltd
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SUZHOU MINGZHI TECHNOLOGY Co Ltd
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Priority to CN 200810136435 priority Critical patent/CN101486073B/en
Publication of CN101486073A publication Critical patent/CN101486073A/en
Application granted granted Critical
Publication of CN101486073B publication Critical patent/CN101486073B/en
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Abstract

The invention relates to an electromagnetic metal mold, which comprises a lower mold, an inner sand core and an outer sand core, wherein the lower mold is arranged inside a sand box, formed by a plurality of magnetized iron shots and has a specified shape; the inner sand core is arranged on the lower mold; and the outer sand core is arranged on the inner sand core. Because the lower mold of the electromagnetic metal mold is made of the plurality of the magnetized iron shots, a magnetic field force is just like 'a binding agent', magnetizes a plurality of iron shots, firmly absorbs the iron shots together, and fixes the iron shots into required shapes. Compared with a metal mold made of metals, the electromagnetic metal mold not only has the advantage of quick cooling speed of the metal mold but also greatly reduces the cost and shortens the development cycle of the casting mold. Moreover, the plurality of the iron shots are provided with permeable gaps, so that the electromagnetic metal mold has better air permeability. Compared with a method for manufacturing the metal mold, the method for manufacturing the electromagnetic metal mold not only is simple and convenient, but also greatly saves the manufacturing cost and accelerates the development cycle of a casting so as to improve the production efficiency when guaranteeing the quality of the casting simultaneously.

Description

A kind of electromagnetic metal mould and manufacture method thereof
Technical field
The present invention relates to a kind of electromagnetic metal mould that is used to cast and manufacture method thereof.
Background technology
Permanent mold casting is meant liquid metals is poured into metal mold, to obtain a kind of casting method of foundry goods.Its casting core is to be made of metal, and can use repeatedly repeatedly.Permanent mold casting is compared with sand casting technically and many advantages is arranged economically, as mechanical performance, precision and the surface smoothness of foundry goods than sand-cast height, and quality and dimensionally stable.For needing the fast aluminum casting of cooling velocity, need use permanent mold casting usually.
In addition, the production efficiency height of permanent mold casting, the reason that makes foundry goods produce defective reduces, and operation is simple, easily realizes mechanization and automation.Though permanent mold casting has many good qualities, weak point is arranged also.Production cycle as metal mold manufacturing cost height and metallic core is long usually,, required precision high foundry goods big for volume ratio, and its metal mold processing is then very difficult, has therefore prolonged the cycle of foundry goods exploitation.And metal mold is airtight, and does not have deformability, easily causes defectives such as foundry goods cracking.Because metal is when the casting filling, the gas in the die cavity must be discharged rapidly, but metal does not have gas permeability again, as long as technology is neglected a little, gaseous state changes and will bring harmful effect to the quality of foundry goods in the die cavity.
Summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of electromagnetic metal mould, it is simple in structure, practical, not only has the fast advantage of metal mold cooling velocity, and manufacturing cost is lower, good permeability and construction cycle short.
Another object of the present invention provides a kind of method of making above-mentioned electromagnetic metal mould.
For solving above technical problem, the technical scheme that the present invention takes is: a kind of electromagnetic metal mould, it comprises and is arranged in the sandbox mo(u)ld bottom half of setting shape by having of forming of a plurality of shots that are magnetized, is arranged on the interior core on the described mo(u)ld bottom half and is arranged on outer core on the described interior core.
The below of described a plurality of shots is provided with the electromagnetic wire girth sheets that is used to generate an electromagnetic field.
A kind of manufacture method of electromagnetic metal mould comprises the steps:
A, the counterdie of packing in sandbox will be filled a plurality of shots that are magnetized between described sandbox and the described counterdie, the fixing back of described a plurality of shots forms the shape of setting;
B, the described counterdie of taking-up form mo(u)ld bottom half, and interior core is arranged on the described mo(u)ld bottom half;
C, outer core is arranged on the electromagnetic metal mould core that is formed for casting on the core in described.
In a kind of technical scheme of optimization, also has the step that below described shot, is provided for the electromagnetic wire girth sheets that generates an electromagnetic field between steps A and the step B.Electromagnetic wire girth sheets charging back produces magnetic field, makes shot be magnetized and attracts together securely and be fixed into the shape that needs.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
Because the mo(u)ld bottom half of electromagnetic metal mould is made by a plurality of shots that are magnetized, electromagnetic wire girth sheets charging back produces magnetic field, and magnetic field force makes a plurality of shots be magnetized just as " binding agent " and attracts together securely and be fixed into the shape that needs and forms mo(u)ld bottom half.Compare with the metal mold that is made of metal, it is simple in structure, practical, but also greatly reduces production cost and shortened construction cycle of casting mold.
And, owing between a plurality of shots certain ventilative gap is arranged, to compare with metal mold of the prior art, gas permeability is better.The manufacture method of above-mentioned electromagnetic metal mould is easy, compares with the manufacture method of metal mold and has saved manufacturing cost greatly, has quickened the foundry goods construction cycle, thereby has improved production efficiency when guaranteeing casting quality.
Description of drawings
Accompanying drawing 1 is a structure cross-sectional schematic of the present invention;
Wherein:
1, outer core; 2, foundry goods; 3, interior core; 4, sandbox; 5, shot; 6, electromagnetic wire girth sheets; 7, counterdie; 8, mo(u)ld bottom half.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiment of the invention is elaborated:
A kind of electromagnetic metal mould, it comprises and is arranged in the sandbox 4 mo(u)ld bottom half 8 of setting shape by having of forming of a plurality of shots that are magnetized 5, is arranged on the interior core 3 on the described mo(u)ld bottom half 8 and is arranged on outer core 1 on the described interior core 3.When casting,, can form foundry goods 2 with outer core 1, interior core 3 and the casting of mo(u)ld bottom half 8 mould assemblys.During especially for the casting aluminium casting, this electromagnetic metal mould cooling velocity is very fast.
The below of described a plurality of shot 5 is provided with the electromagnetic wire girth sheets 6 that is used to generate an electromagnetic field.Electromagnetic wire girth sheets 6 charging backs produce magnetic field, and magnetic field force makes a plurality of shots 5 be magnetized just as " binding agent " and attracts together securely and be fixed into the shape that needs and forms mo(u)ld bottom half 8.Compare with the metal mold that is made of metal, it is simple in structure, practical, greatly reduces cost and has shortened construction cycle of casting mold.
And, owing between a plurality of shots 5 certain ventilative gap is arranged, to compare with metal mold of the prior art, gas permeability is better, has reduced the percent defective that produces owing to casting flaw in casting process.
A kind of manufacture method of electromagnetic metal mould comprises the steps:
A, the counterdie 7 of packing in sandbox 4 will be filled a plurality of shots that are magnetized 5 between described sandbox 4 and the described counterdie 7, described a plurality of shots 5 fixing backs form the shape of setting; According to the shape of different counterdie 7, a plurality of shots 5 fixing backs form the mo(u)ld bottom half 8 that matches with counterdie 7.
B, the electromagnetic wire girth sheets 6 that is provided for generating an electromagnetic field below described shot 5 produce magnetic field when 6 chargings of electromagnetic wire girth sheets, magnetic field force makes a plurality of shots 5 be magnetized just as " binding agent " and attracts together securely.
C, the described counterdie 7 of taking-up form mo(u)ld bottom halves 8, and interior core 3 is arranged on the described mo(u)ld bottom half 8;
D, outer core 1 is arranged on the electromagnetic metal mould core that is formed for casting on the core 3 in described.Described outer core 1 and interior core 3 are made by sand core manufacturing process of the prior art and are formed.
The electromagnetic metal mould made from outer core 1, interior core 3 and the casting of mo(u)ld bottom half 8 mould assemblys, promptly obtains foundry goods 2 when casting.
The manufacture method of above-mentioned electromagnetic metal mould is easy, compares the system of greatly having saved with the manufacture method of metal mold Cause this, accelerated the foundry goods exploitation cycle, thereby when guaranteeing casting quality, improved production efficiency.

Claims (4)

1, a kind of electromagnetic metal mould is characterized in that: it comprises and is arranged in the sandbox (4) mo(u)ld bottom half (8) of setting shape by having of forming of a plurality of shots that are magnetized (5), is arranged on the interior core (3) on the described mo(u)ld bottom half (8) and is arranged on outer core (1) on the described interior core (3).
2, a kind of electromagnetic metal mould according to claim 1 is characterized in that: the below of described a plurality of shots (5) is provided with the electromagnetic wire girth sheets (6) that is used to generate an electromagnetic field.
3, a kind of manufacture method of electromagnetic metal mould is characterized in that: comprise the steps:
A, the counterdie (7) of packing in sandbox (4) will be filled a plurality of shots that are magnetized (5) between described sandbox (4) and the described counterdie (7), the fixing back of described a plurality of shots (5) forms the shape of setting;
B, take out described counterdie (7) and form mo(u)ld bottom half (8), interior core (3) is arranged on the described mo(u)ld bottom half (8);
C, outer core (1) is arranged on the electromagnetic metal mould core that is formed for casting on the core (3) in described.
4, the manufacture method of a kind of electromagnetic metal mould according to claim 3 is characterized in that: the step that also has the electromagnetic wire girth sheets (6) that is provided for generating an electromagnetic field in the below of described shot (5) between steps A and the step B.
CN 200810136435 2008-12-04 2008-12-04 Electromagnetic metal mould and method for producing the same Active CN101486073B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810136435 CN101486073B (en) 2008-12-04 2008-12-04 Electromagnetic metal mould and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810136435 CN101486073B (en) 2008-12-04 2008-12-04 Electromagnetic metal mould and method for producing the same

Publications (2)

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CN101486073A true CN101486073A (en) 2009-07-22
CN101486073B CN101486073B (en) 2010-09-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773410A (en) * 2012-08-09 2012-11-14 浙江动发能源科技有限公司 Electromagnetic mold production method and equipment
CN103286279A (en) * 2013-07-03 2013-09-11 韶关市富迪精密铸造有限公司 Novel casting technique of semitrailer brake drum

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130118704A1 (en) * 2011-11-10 2013-05-16 General Electric Company Electromagnetically stirred sand castings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1142045C (en) * 1999-09-22 2004-03-17 大连理工大学 Continuous metal casting method with applied composite electromagnetic field
CN1110389C (en) * 2000-07-17 2003-06-04 哈尔滨工业大学 Apparatus and method for electromagnetic pressure casting of great integral Al-alloy parts
CN2654252Y (en) * 2003-10-30 2004-11-10 上海交通大学 Multihole gypsum moulder
CN201308961Y (en) * 2008-12-04 2009-09-16 苏州明志科技有限公司 Electromagnetic metal mold

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773410A (en) * 2012-08-09 2012-11-14 浙江动发能源科技有限公司 Electromagnetic mold production method and equipment
CN103286279A (en) * 2013-07-03 2013-09-11 韶关市富迪精密铸造有限公司 Novel casting technique of semitrailer brake drum
CN103286279B (en) * 2013-07-03 2015-02-11 韶关市富迪精密铸造有限公司 Novel casting technique of semitrailer brake drum

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EE01 Entry into force of recordation of patent licensing contract

Assignee: Suzhou Industrial Park Mingzhi Casting Equipment Co., Ltd.

Assignor: Suzhou Mingzhi Technology Co., Ltd.

Contract record no.: 2011320000058

Denomination of invention: Electromagnetic metal mould and method for producing the same

Granted publication date: 20100929

License type: Exclusive License

Open date: 20090722

Record date: 20110224

Assignee: Suzhou Industrial Park Mingzhi Casting Equipment Co., Ltd.

Assignor: Suzhou Mingzhi Technology Co., Ltd.

Contract record no.: 2011320000058

Denomination of invention: Electromagnetic metal mould and method for producing the same

Granted publication date: 20100929

License type: Exclusive License

Open date: 20090722

Record date: 20110224

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 215217, No. 1999, Xiao Xi Road, Tongli Town, Wujiang District, Jiangsu, Suzhou

Patentee after: Suzhou Mingzhi Technology Co., Ltd

Address before: 215217, No. 1, same highway, Tongli Town, Jiangsu, Wujiang

Patentee before: SUZHOU MINGZHI TECHNOLOGY Co.,Ltd.