Method for detecting particle cleaning efficiency of cleaning equipment online before coating

A technology for cleaning efficiency and cleaning equipment, applied in the field of testing, can solve the problems of inability to clean the efficiency, time-consuming, inaccurate analysis results, etc.

Active Publication Date: 2018-10-12
SCIVIC ENGINNEERING +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method takes a long time, resulting in a lot of lag when batch quality problems are discovered
Moreover, due to the interference of other factors in the painting proc

Method used

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  • Method for detecting particle cleaning efficiency of cleaning equipment online before coating
  • Method for detecting particle cleaning efficiency of cleaning equipment online before coating
  • Method for detecting particle cleaning efficiency of cleaning equipment online before coating

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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with specific examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] A method for on-line detection of particle cleaning efficiency of pre-painting cleaning equipment, comprising steps:

[0027] S101, evenly spray the mixture of fluorescent powder and water onto the surface of the workpiece to be cleaned with a spray gun, and let it dry naturally;

[0028] The fluorescent powder can be a yellow-green rare earth light-storing fluorescent powder. During specific implementation, according to the particle size distribution of the particle pollutants in the daily production process on the surface of the workpiece, and the requirements for the cleanliness of the particles by spraying, you can choose between 800 mesh and 2000 mesh. Phosphor powders with different particle sizes or pa...

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Abstract

The invention discloses a method for detecting particle cleaning efficiency of cleaning equipment online before coating. The method comprises the steps of uniformly spraying fluorescent powder and water mixture on a surface of a to-be-cleaned workpiece through utilization of a spray gun and carrying out natural air dry; marking a plurality of uniformly distributed measurement points on the surfaceof the workpiece; taking ultraviolet light as an illumination source, photographing a fluorescent microscopic image of each measurement point after each measurement point is amplified for preset times, through utilization of a digital microscope; cleaning the workpiece through utilization of the cleaning equipment; converting all fluorescent microscopic images into black and white images according to a mean value of G values of all pixels; carrying out statistics on the number of white areas in the converted black and white images, and obtaining the number of the particles before and after each measurement point is cleaned; and calculating the cleaning efficiency for the particles according to the number of the particles before and after each measurement point is cleaned. According to themethod, particle pollutants can be detected, the detection speed is fast, and the accuracy is high.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a method for on-line detection of the particle cleaning efficiency of pre-painting cleaning equipment. Background technique [0002] Coating is an important link in the modern product manufacturing process. The so-called coating refers to covering the metal and non-metal surfaces with protective or decorative layers. The quality of anti-rust and anti-corrosion coating is one of the important aspects of the overall quality of the product. It includes three basic processes: treatment of the surface of the object to be coated before coating, coating process and drying. In order to remove all kinds of foreign matters (such as oil, rust, dust, old paint film, etc.) attached to the surface of the object, provide a good base suitable for the coating requirements, so as to ensure that the coating film has good anti-corrosion performance, decorative performance and certain properties. ...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/90G01N21/88G01N21/91
CPCG06T7/0004G06T7/90G01N21/8851G01N21/91G01N2021/8887G01N21/6458G01N2021/646G01N21/94
Inventor 孔飞张川张程皓汤小龙姚世琪李思远
Owner SCIVIC ENGINNEERING
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