Method and device capable of obtaining ultraviolet light protection layer on surface of development roller

Abstract

The invention discloses a method capable of obtaining an ultraviolet light protection layer on a surface of a development roller. The method comprises the following steps of: irradiating an ultraviolet light having certain wavelength to the surface of the development roller having a high-molecular rubber layer; during the decomposition of an organic matter on the surface of the rubber layer, absorbing the ultraviolet light to cut off a chemical structure of a surface layer of the rubber layer; and cross-linking and vulcanizing high-molecular rubber again to obtain the ultraviolet light protection layer which is 0.1 to 0.3 mm thick on the surface of the rubber layer. The invention also provides a device for implementing the method. The invention has the advantages that: a coating material is not required; material cost is effectively saved; energy consumption is reduced; process time is short; process efficiency is improved by over 200 times; due to no atomization, environmental pollution is reduced; and when the development roller is used for printing, risks of drop-off and abrasion of a coating are avoided, printing quality is effectively improved, and printing service life is prolonged.

Description

Technical field [0001] The invention involves the field of laser imaging technology, especially the processing field of printer and photocopic shampoo, and further involves a method and device that enables the ultraviolet light protective layer to obtain the ultraviolet light protective layer. Background technique [0002] The display roller is a image component on the laser printer. It can adsorb color powder and make it charged, and then transfer the color powder to the surface of the light drum to make the unsight image on the surface of the light drum.Paper becomes a text image that people need.The existing display roller structure includes roller cores made of metal materials as matrix. The roller core is covered with conductive polymer rubber adhesive layer, and a conductive polymer rubber with a certain thickness on the bonding layer.The surface of the rubber is covered with coating. [0003] The above method of coating has the following shortcomings: [0004] 1. The requi...

AI Technical Summary

Problems solved by technology

[0004]1. The requirements for the coating material are very high, especially the matching between its resistance and the polymer rubber material must have the same resistance, and such materials are very expensive;

[0005]2. The process flow of the existing technology is: cleaning→drying→preheating→spraying→high temperature curing→packaging, and the process time is long and takes 1~1.5 hours , low production efficiency;

[0006]3. Before spraying, the developing roller needs to be preheated at high temperature for 20~30min, and after spraying, it needs to be cured at high temperature for 20~30min, which consumes energy and Time-consuming, high energy consumption and low efficiency;

[0007] 4. The spraying environment has high requirements and must be operated in an ISO4~5 environment, especially for paint spraying. If it is not eliminated in time, it will become New dust impurities;

[0008]5. Pollution of the environment: when the paint is sprayed, some of it cannot adhere to the surface of the developing roller, and this part of the flying spray will seriously pollute the environment;

[0009]6. The surface coating life of the developing roller is low. The laser printer needs to print at least a few thousand pages, and the high-speed machine needs to print tens of thousands of pages. The sprayed developing roller prints 2000~ After 3,000 pages, coating peeling and other wear and tear will occur, resulting in printing quality problems. The higher the number of printed pages, the more serious the problem. Therefore, many developing rollers cannot reach the design life.

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