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Casting process flow

A technology of process flow and process, applied in foundry workshops, manufacturing tools, casting equipment, etc., can solve the problems of low sand casting production efficiency, cost increase, material waste, etc., achieve high production efficiency, save casting materials, and reduce production cost effect

Inactive Publication Date: 2019-07-09
青岛金越隆机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, sand casting also has some disadvantages: because each sand mold can only be poured once, the mold is damaged after the casting is obtained, and must be reshaped, so the production efficiency of sand casting is low
In addition, scrap iron and scrap castings will be produced during molding, which cannot be quickly and effectively collected and reused in the prior art, resulting in waste of materials and increased casting costs

Method used

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  • Casting process flow

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Embodiment Construction

[0011] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0012] like figure 1 As shown, a casting process includes smelting, sand treatment, core making, molding and cleaning processes; specifically, firstly, the molding sand obtained from sand treatment is used for core making, and the process is used to obtain sand cores and molds; secondly, the molten iron obtained from smelting, The sand cores and molds obtained from core making are molded to obtain casting products; the third is cleaning. The molding sand used in the casting process is renewable sand. After molding, the used sand that has been used is returned to the sand treatment process for processing; The scrap iron and scrap castings are returned to the smelting process for smelting and reuse. The raw materials used in the smelting process...

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PUM

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Abstract

The invention discloses a casting process flow, and relates to the technical field of casting. The casting process flow comprises the procedures of smelting, sand treatment, core production, modelingand cleaning; firstly, the core production process is performed on molding sand obtained through the sand treatment to obtain sand cores and molds; secondly, the modeling is performed by molten iron obtained through smelting and the sand cores and the molds obtained through the core production to obtain cast products; and then, the cleaning is performed. The casting process flow is characterized in that the adopted molding sand is regenerative sand; practical old sand is returned to the sand treatment process for treatment after modeling; and waste iron and waste castings obtained through thecleaning process are returned to the smelting process for smelting and recycling. The molding sand can be recycled, so that the production efficiency is high, the recycling of the waste iron and the waste castings can be achieved, casting materials are saved, and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of casting, in particular to a casting process flow. Background technique [0002] Casting technology is the technology and method of producing castings by applying casting related theory and systematic knowledge. Including molding material preparation, molding, core making, metal melting, pouring and solidification control, etc. Sand casting is a traditional casting process that uses sand as the main molding material to make molds. Sand casting has a wide range of adaptability, small pieces, large pieces, simple pieces, complex pieces, single pieces, and large batches can be used. In the prior art, sand casting also has some disadvantages: because each sandy mold can only be poured once, the mold is damaged after the casting is obtained and must be reshaped, so the production efficiency of sand casting is low. In addition, scrap iron and scrap castings will be produced during molding, which cannot be qui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D47/02
CPCB22D47/02
Inventor 崔锡恩
Owner 青岛金越隆机械有限公司
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