High-precision washing process for raw part of gold coin or silver coin

A technology of gold and silver coins and mother parts, which is applied in the field of high-precision cleaning process of gold and silver coin mother parts, which can solve the problems of large amount of waste water, low efficiency of manual cleaning, and high defect rate.

Inactive Publication Date: 2016-09-28
SHENZHEN XINCHENGNUO ENVIRONMENTAL PROTECTION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The surface of the product after cleaning is prone to watermark, oxidation, metal powder and other residues, and the defective rate is as high as 8%-30%;
[0005] 2. The cleanin...

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  • High-precision washing process for raw part of gold coin or silver coin

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Embodiment Construction

[0023] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0024] Such as figure 1 As shown, the process of the present invention is set in order: emulsification cleaning-vacuum water cutting-hydrocarbon cleaning-vacuum bath washing and drying-gas phase cleaning. According to the cleaning characteristics of gold and silver coins, the present embodiment will emulsification cleaning, vacuum water cutting, Hydrogen cleaning is set to be repeated twice, thereby enhancing the yield rate of gold and silver coin cleaning, and in the c...

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Abstract

The invention discloses a high-precision washing process for a raw part of a gold coin or a silver coin and relates to the field of surface clearing of work pieces. The high-precision washing process comprises the following sequentially-set steps: emulsification, vacuum water shearing, hydrocarbon washing, vacuum bath-washing and gas-phase washing; therefore high-precision washing of the raw part of the gold coin or silver coin can be realized by means of control on vacuum degree, temperature of a detergent, ultrasonic wave frequency and washing time in each step. The high-precision washing process disclosed by the invention is complete in pollutant treatment, high in yield, high in automation degree in each step and capable of satisfying the environment protection requirements by adopting an environment-friendly detergent in each step.

Description

technical field [0001] The invention relates to the field of workpiece surface cleaning, in particular to a high-precision cleaning process for gold and silver coin mother parts. Background technique [0002] In industrial processing, it is often necessary to clean the material belt before processing. With the requirements for environmental and personal safety, CFC-113 (Freon) and 1.1.1-trichloroethane have been widely used as excellent cleaning agents in the cleaning industry. (Ethane) has been completely banned from production, import, and use, and hydrocarbon-based solvents such as hydrocarbon solutions have become substitutes. The hydrocarbon solution is used in hardware, jewelry, clocks, automobiles, aerospace, electronics, electrical, liquid crystal, semiconductor and other industries, and can effectively remove various oil stains, grease, soldering resin, polishing wax, etc. [0003] The traditional method of cleaning gold and silver coin mother pieces is: manual ult...

Claims

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Application Information

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IPC IPC(8): C23G5/06C23G5/024B08B5/02
CPCB08B5/02C23G5/024C23G5/06
Inventor 李辉
Owner SHENZHEN XINCHENGNUO ENVIRONMENTAL PROTECTION IND CO LTD
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