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Casting forming system with turnover directional cooling function and using method thereof

A technology of directional cooling and casting molding, which is applied in the direction of casting equipment, mold handling equipment, manufacturing tools, etc., to achieve the effects of improving efficiency, reasonable solidification temperature field, and increasing cooling speed

Pending Publication Date: 2019-09-06
SHANGHAI JIAO TONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no such flip casting device that realizes this process

Method used

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  • Casting forming system with turnover directional cooling function and using method thereof
  • Casting forming system with turnover directional cooling function and using method thereof
  • Casting forming system with turnover directional cooling function and using method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0058] This embodiment relates to a casting molding system with flipping and directional cooling and its application method; refer to Figure 1-Figure 6 , the foundry molding system with flipping and directional cooling includes:

[0059] 1) Sand mold 1, which constitutes a part of composite mold 110;

[0060] Such as figure 2 , the side wall of the sand mold 1 is provided with a sprue 101; the bottom of the sand mold 1 is provided with a sand mold bottom opening 102, which can be combined with a chilled mold 103 with a molding surface, thereby defining a mold cavity 104;

[0061] 2) Liquid metal delivery system 2, such as image 3 The molten metal conveying system 2 includes a molten metal melting and holding furnace 201, a low-pressure casting liquid surface pressurization device 202, and a molten metal conveying pipeline 203; the molten metal 204 to be poured is contained in the molten metal melting and holding furnace 201; The above-mentioned molten metal melting and h...

Embodiment 2

[0080] This embodiment relates to a casting molding system with flipping and directional cooling and its application method; refer to figure 2 , 4 , Figure 7-Figure 10 , the foundry molding system with flipping and directional cooling includes:

[0081] 1) Sand mold 1, which forms part of a complete mold 110;

[0082] Such as figure 2 , the side wall of the sand mold 1 is provided with a sprue 101; the bottom of the sand mold 1 is provided with a sand mold bottom opening 102, which can be combined with a chilled mold 103 with a molding surface, thereby defining a mold cavity 104;

[0083] 2) Liquid metal delivery system 2, such as Figure 8 , the molten metal delivery system 2 includes a molten metal melting and holding furnace 201, an electromagnetic pump 205, and a molten metal delivery pipeline 203; the molten metal 204 to be poured is contained in the molten metal melting and holding furnace 201; the molten metal is melted and kept warm The furnace 201 can reciproc...

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Abstract

The invention discloses a casting forming system with turnover directional cooling function and a using method thereof. The system comprises a sand mold, a molten metal conveying system, an external directional cooling system, a casting mold turnover system and a turnover power system. According to the casting forming system with the turnover directional cooling function, the internal defects of castings caused by contradictions, between a molten metal flowing state and a temperature field in a solidification process, generated during mold filling in traditional casting engineering can be reduced or eliminated, the material structure is refined, the performance of the castings is improved; and meanwhile, the production period is shortened, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the field of molding equipment, and in particular relates to a turning and directional cooling casting molding system and a using method thereof. Background technique [0002] The ultimate goal of the casting process is to produce high-quality castings without internal defects; there are two main factors affecting the internal quality of castings: one is the flow state of the molten metal during the filling process; the other is the temperature field of the molten metal during solidification distributed. During the filling process, if the flow of the molten metal is turbulent, the molten metal is likely to be involved in gas, which will not only cause the oxidation of the molten metal, produce micro oxides, which will become the core of casting cracking, and the gas involved in the molten metal will It will be precipitated during the solidification process, resulting in precipitated pore defects; if the molten metal flows in a...

Claims

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Application Information

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IPC IPC(8): B22D27/04B22D33/02B22D18/04
CPCB22D27/045B22D33/02B22D18/04
Inventor 彭立明兰乔刘保良袁灵洋吴玉娟付彭怀
Owner SHANGHAI JIAO TONG UNIV
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