Method for producing milling-ball by vacuum sealing and its shaped mould

A technology of vacuum sealing and grinding balls, which is used in casting molding equipment, casting molds, cores, etc., can solve the problems of poor process controllability, low production efficiency, and high labor intensity, and achieves reduced scrap rate, reasonable structure, and improved The effect of production efficiency

Inactive Publication Date: 2005-02-16
XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Green sand molding and metal molding can only produce 3-5 balls per box, the main process is manual operation, the process yield is below 70%, many people are invested, the controllability of the process is poor, the labor intensity is high, and the production efficiency is high. low, high scrap rate

Method used

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  • Method for producing milling-ball by vacuum sealing and its shaped mould
  • Method for producing milling-ball by vacuum sealing and its shaped mould
  • Method for producing milling-ball by vacuum sealing and its shaped mould

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Embodiment Construction

[0025] The present invention is not limited by the following examples, and the specific implementation manner can be determined according to the above-mentioned technical solutions and actual conditions of the present invention.

[0026] Below in conjunction with preferred embodiment and accompanying drawing, the present invention will be further described:

[0027] The vacuum sealing method for producing grinding balls is carried out in the following steps:

[0028] The first step is to extract air from the lower mold box of the ball mold, and then cover the mold surface of the lower mold box of the ball mold with a film, then place the lower box of the ball tool on the lower mold box of the ball mold, Fill sand in the lower box of the tooling and vibrate it, cover the surface of the lower box of the vibration ball tooling with a backing film and pump air, and finally pull out the mold to get the lower model of the ball;

[0029] In the same way, the upper mold box of the gr...

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PUM

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Abstract

The invention shows a method of producing grinding pencil wheel in vacuo and its mould. It pumps the air, covers top sheet, fills sand, tamp it, covers backing film, pumps the air and gets the moulds, lower model and upper model of the grinding pencil wheel. Then it closes the mould and forms the cavity of the mould. Finally, it pours it into shape, cools it and gets the intact mould. The invention's advantages lie in: the method of producing grinding pencil wheel in vacuo can increases the work efficiency greatly; the work efficiency of the single cargo is increased by scores of times; the manufacturing rate reaches 95%; the defective index is decreased greatly and can realize the mechanized production. The mould of the grinding pencil wheel is featured by reasonable construction and simple operation.

Description

technical field [0001] The invention relates to a method for producing grinding balls, which is a vacuum-sealed production method for grinding balls, which is especially suitable for producing grinding balls for ball mills. Background technique [0002] Existing methods for producing grinding balls mainly adopt molding methods such as metal molding and green sand molding. Green sand molding and metal molding can only produce 3-5 balls per box, the main process is manual operation, the process yield is below 70%, many people are invested, the controllability of the process is poor, the labor intensity is high, and the production efficiency is high. Low, high scrap rate. Contents of the invention [0003] The invention provides a vacuum-sealed method for producing grinding balls, which greatly improves production efficiency and yield, and greatly reduces the reject rate. [0004] The present invention also provides a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/03
Inventor 罗仁全谢建姚晓平
Owner XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS
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