A kind of surface modification method of ballpoint pen

Abstract

The invention relates to a ball-point pen ball surface modification method. The method comprises the following steps: the surface of a pen ball is primarily cleaned; the cleaned surface of the pen ball is deeply cleaned and polished, and the ultrasonic oscillation is performed in the cleaning and polishing process; and the ion injection is performed for the pen ball with the deeply cleaned and polished surface, and the ultrasonic oscillation is performed in the ion injection process. The method mainly uses MEVVA ion injection equipment for injecting high-energy metal ions or nonmetal ions on the surface of the pen ball to realize surface reinforcement of the pen ball, so that the wear resistance of the stainless steel pen ball is improved, and the service life of a ball-point ball is prolonged. Through ion injection, the pen ball surface hardness can be obviously improved, the rolling friction force of the pen ball is reduced, and the lower friction coefficient than tungsten carbide can be obtained. The beam diameter of the MEVVA ion injection equipment can reach 800 mm, so that the large-batch treatment of the pen ball can be realized, the cost is low, and the efficiency is high.

Description

technical field [0001] The invention relates to the technical field of ballpoint pen manufacture, in particular to a method for surface modification of ballpoint pen balls. Background technique [0002] The Chinese are the first countries in the world to invent paper and write characters on it with pen and ink. Our ancestors invented brushes and paper, which became an important part of Chinese traditional culture. However, the writing brush that we often use today—the ballpoint pen, comes from abroad. [0003] The working principle of the existing ballpoint pen: under the double action of atmospheric pressure and ink gravity, the ink in the pen core flows into the ball seat of the nib and adheres to the ball. The writing principle of the ballpoint pen is to use the friction force generated by the direct contact between the ballpoint and the paper surface when writing, so that the ballball rolls in the ball seat, and the ink (ink) in the plastic refill is brought out to for...

AI Technical Summary

Problems solved by technology

The latter is of good quality, and it can be written smoothly no matter how long it is used, but the hardness of tungsten carbide is too high, it is difficult to process, and the processing cost is very high

Compared with tungsten carbide, stainless steel has low hardness and is not wear-resistant, which greatly reduces the life of the ballpoint pen

[0005] The present invention aims at the present situation that the country lacks the core technology for producing practical ballpoint pen balls, and proposes a method for developing practical ballpoint pen balls, so as to make up for our gap in the production of practical ballpoint pen balls, save foreign exchange for the country, and benefit the Chinese people

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