Sunglasses lens coating equipment

Abstract

The invention discloses sunglass lens coating equipment. The sunglass lens coating equipment comprises a coating cavity, a vacuum system, a heating system, film material excitation systems, film layerthickness control systems and axis components, wherein buffer cavities are formed in the two side parts of the coating cavity correspondingly, and shuttling channels penetrate through separation parts and the buffer cavities; the axis components are arranged in the shuttling channels in a sleeved mode, and the axis components are sequentially provided with sealing sections, first mounting sections, middle sections, second mounting sections and sealing sections; and substrates are arranged on the mounting sections, the relative position relation of two mounting sections is utilized, and different processes can be complete on two substrates at the same time in the same time period and do not conflict with each other. According to the sunglass lens coating equipment, the space utilization rate of the coating cavity is effectively improved, and the repeated vacuumizing and vacuum losing times of the coating cavity are reduced; and the design of the buffer cavities ensures that the substrates are subjected to pretreatment and annealing treatment processes, so that the time required for heating the substrates in the coating cavity is shortened, and the risk of defects caused by severe environmental change after the substrates are withdrawn from the coating cavity after the coating operation is completed is reduced.

Description

technical field [0001] The invention relates to the technical field of lens coating equipment, and more specifically, the invention relates to a sun lens coating equipment. Background technique [0002] Glass lenses have excellent light transmittance, no aging, high temperature resistance technology and excellent double-sided coating performance, etc., and have been used in high-end sunglasses. Glass lenses after tempering treatment have good anti-drop and anti-abrasion properties, and glass lenses account for a large proportion of foreign high-end sunglasses. Sunglasses based on tempered glass lenses include polarized lenses, gradient lenses, bright film lenses and colorful composite lenses, etc., and coating technology is a very important part of sunglass production. [0003] The coating of the lens needs to be carried out in the coating equipment. The existing coating equipment has a vacuum system, a heating system, a film material emission system and a film thickness co...

AI Technical Summary

Problems solved by technology

The above-mentioned coating equipment has the following problems: every time the coating is completed, the coating space must be evacuated once, the steps are complicated, time-consuming, and the vacuuming energy consumption is high, so the production efficiency is low; the substrate can only be processed after it is loaded into the coating space. Procedures such as preheating and heating lead to a longer time required for coating a single substrate and lower production efficiency; the substrate is coated under a certain temperature in a vacuum, and due to the lack of a buffer mechanism, the film layer will withstand a certain amount of pressure after changes in temperature and air pressure. Defects due to stress

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