A non-destructive laser cleaning method

A technology of laser cleaning and cleaning room, which is applied in the direction of cleaning methods and appliances, chemical instruments and methods, optical testing defects/defects, etc., and can solve problems such as easy emission of protective gas, damage to workpiece substrates, and damage to workpiece cleaning. Achieve non-destructive cleaning, avoid excessive cleaning, and save operating procedures

Active Publication Date: 2022-07-26
XIAMEN UNIV OF TECH
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  • Application Information

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Problems solved by technology

However, the workpiece is cleaned on the exposed platform, the protective gas is easy to emit, and the oxygen in the air is easy to mix with the protective gas, which affects the protection effect and causes damage to the workpiece cleaning. Easy to cause excessive cleaning, resulting in damage to the substrate of the workpiece

Method used

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  • A non-destructive laser cleaning method
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Embodiment Construction

[0033] refer to Figure 1 to Figure 2 The non-destructive laser cleaning method is further explained.

[0034] A non-destructive laser cleaning method, such as figure 1 and figure 2 As shown, cleaning is performed by an airtight cleaning device. Specifically, the airtight cleaning device includes an airtight cleaning chamber 1 and a laser cleaning gun 2 arranged in the airtight cleaning chamber 1. The gun head of the laser cleaning gun 2 is provided with a tool for collecting workpieces to be cleaned. The image acquisition module 3 of the surface image, the outer wall of the closed cleaning chamber 1 is provided with a display for displaying the image acquired by the image acquisition module 3, so as to observe the surface image of the workpiece through the display in real time during cleaning.

[0035] like figure 1 and figure 2 As shown, the side wall of the airtight cleaning chamber 1 is provided with an inlet and outlet channel 5 for the workpiece to enter and exit, ...

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Abstract

The invention discloses a non-destructive laser cleaning method, which relates to the technical field of laser cleaning. The technical solution includes the following steps: S1, preparing a closed cleaning chamber, and sealing the sealing plates on the inner and outer sides; S2, filling protective gas and discharging air; S3, open the outer sealing plate, and place the workpiece on the workpiece table; S4, close the outer sealing plate, and use a vacuum to vacuum the inlet and outlet passages; S5, open the inner sealing plate, and start the manipulator to grip the workpiece; S6, Use the laser cleaning gun to carry out laser cleaning on the workpiece, and use the monitoring device to monitor the cleaning quality of the workpiece; S7. After cleaning, move the workpiece into the entry and exit channel, seal the inner sealing plate to open the outer sealing plate, remove the workpiece and replace the next workpiece for cleaning Operation. The invention can use protective gas for airtight cleaning, avoid oxygen permeation for oxidation, and monitor the cleaning process in real time, avoid excessive cleaning, realize non-destructive cleaning, and have the advantages of improving its cleaning effect.

Description

technical field [0001] The invention relates to the technical field of laser cleaning, and more particularly, to a non-destructive laser cleaning method. Background technique [0002] Laser cleaning is a "green" cleaning method, which can clear the surface of various materials and various types of pollutants, and achieve a cleanliness that cannot be achieved by conventional cleaning without the use of any chemicals and cleaning fluids, and the cleaned waste is basically The above are solid powders, small in size, easy to store, recyclable, and can easily solve the problem of environmental pollution caused by chemical cleaning. [0003] For example, the application publication number is CN108405486A, and the Chinese patent with the publication date of 2018.08.17 discloses a laser cleaning device and a laser cleaning method. The laser cleaning device includes a mobile platform, a laser, a beam splitter, a reflector, a galvanometer, a driver and a protection mechanism . The m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B7/00B08B13/00G01N21/94G01N27/04
CPCB08B7/0042B08B13/00G01N27/041G01N21/94
Inventor 邱一卉陈水宣洪昭斌袁和平马林
Owner XIAMEN UNIV OF TECH
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