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Scraper blade surface detection system

A scraper blade and surface cleaning technology, applied in the field of light detection, can solve the problems of slow moving scraper blade, visual fatigue, slow detection speed, etc., and achieve the effect of high brightness of diffuse reflection light, large illumination range, and fast detection

Active Publication Date: 2010-02-17
FOREVER TECH
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

It has two disadvantages: one is that the field of view of the microscope is small, and the scraper blade must be moved slowly when inspecting the entire surface of the detection scraper blade, which is inconvenient to operate and the detection speed is slow; the other is that it is easy to cause visual fatigue when staring at the microscope for a long time

Method used

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  • Scraper blade surface detection system
  • Scraper blade surface detection system
  • Scraper blade surface detection system

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Embodiment Construction

[0018] The doctor blade surface detection system is a non-destructive optical detection device. First place the scraper blade 3 on the stage 4, put the semiconductor laser 11 and the shaping lens 12 into the cylindrical cylinder 13 in turn, the sagittal direction of the shaping lens 12 is parallel to the base of the cylinder, and place the laser unit 1 in a three-dimensional Adjust the platform 2 and adjust the general direction, then turn on the semiconductor laser 11, and the emitted laser beam is passed through the shaping lens 12 to obtain a fan-shaped laser beam, such as image 3 shown. Adjusting the vertical knob 6 and the horizontal knob 7 on the three-dimensional platform 2 can project the fan-shaped laser beam onto the entire surface of the doctor blade 3 . The surface of good quality scraper blade is mirror surface without diffuse reflection effect, such as Figure 5 As shown, when the laser beam hits the scraper blade 3, no bright reflection line can be seen along...

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Abstract

The invention provides a scraper blade surface detection system which is composed of a semiconductor laser, a cylindrical lens, a cylindrical cylinder, a cylinder base, a positioning magnet, a tri-dimensional regulating platform, a stage for arranging a scraper and an optical flat. The semiconductor laser is taken as a light source, the cylindrical lens is taken as a beam shaping component to obtain fan beam, and three magnets arranged in a triangle shape are used for fixing a laser unit on the tri-dimensional regulating platform which is taken as a position trimmer for the laser unit. Diffusereflection occurs after the fan beam is projected to impurities or gaps and the like of the scraper blade, so that a detector can see clear and bright diffuse reflection light from different directions and further see tiny impurities and defects. The invention has the advantages of simple and practical structure and convenient regulation, and is suitable for rapid detection on cleanness and defect condition of the whole surface of the scraper blade.

Description

technical field [0001] The present invention relates to the technical field of light detection, in particular to a method for quickly detecting pollutants and defects on the surface of a scraper blade by using the diffuse reflection effect of light. Background technique [0002] The scraper blade is one of the key components of the toner cartridge of the laser printer. Before being installed on the toner cartridge, the scraper blade must be tested for surface cleanliness and surface defect. This is because the surface cleanliness and defect condition of the scraper blade determine the printing quality. good or bad. [0003] Toner cartridge manufacturers generally use an optical microscope to detect the cleanliness and defects of the scraper blade surface. It has two disadvantages: one is that the field of view of the microscope is small, and the scraper blade must be moved slowly when inspecting the entire surface of the detection scraper blade, which is inconvenient to ope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/49G01N21/88G03G15/08
Inventor 赵廷生宫宁宁
Owner FOREVER TECH
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