New production process of toughened vacuum glass
A technology of vacuum glass and production process, which is applied in glass production, glass forming, glass tempering, etc. It can solve the problems of low production efficiency, low safety, low product qualification rate, etc., and achieve the improvement of production efficiency and automation level, The effect of expanding the application range and ensuring safety performance
Active Publication Date: 2013-12-11
青岛新亨达真空玻璃技术有限公司
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Problems solved by technology
[0006] The purpose of the present invention is to provide a production method of tempered vacuum glass to solve the existing problems of low production efficiency, low safety, high energy consumption, low product qualification rate, relatively short product life, and inconvenient large-scale production of products in the prior art. Problems of scale application and export
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[0025] see Figure 1 to Figure 4 , a kind of production technology of toughened vacuum glass of the present invention is characterized in that, comprises following processing step:
[0026] (1) Making fulcrums: make fulcrums 2 on at least one flat glass surface, and evenly and dispersely print the lead-free and cadmium-free high temperature resistant glass glaze on the upper surface of the next flat glass 7 by screen printing method (see figure 1 , image 3 , Figure 4 ), forming pivot point 2.
[0027] (2) Curing: Dry the flat glass 7 used to make the fulcrum 2 naturally or send it to a drying furnace for drying (conventional process, natural drying for more than 1 hour, and drying in a furnace at 120°C for about 15 minutes) to form a Pivot 2 for design height and area.
[0028] (3) Tempering: Then it is sent into a continuous tempering furnace for tempering (conventional process), and tempered glass 7 with fulcrum 2 is made.
[0029] (4) Composite and sealing: place ano...
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Abstract
The invention discloses a new production process of toughened vacuum glass. The process is characterized by comprising the following process steps of: making a supporting point, namely making the supporting point on the surface of flat plate glass by a screen printing method; curing, namely airing naturally or drying so as to form the supporting point; manufacturing toughened glass with the supporting point; compounding and sealing; and vacuumizing and sealing an exhaust hole. The process has the advantages that: vacuum glass can be toughened or semi-toughened, so that the safety performance of a product is ensured and the application range of the product is expanded; the glass supporting point is processed in a screen printing mode, so that production efficiency is improved, automatic level is raised, the process can be applied to mass production and the thickness of a vacuum layer is convenient to adjust; due to the application of lead-free glass powder, an environmentally-friendly and nontoxic product is obtained and the low energy consumption and high efficiency of production are ensured by the low melting point of the lead-free glass powder; and due to the application of an evapotranspiration getter, the service life of the product is prolonged effectively and the transparency of glass is enhanced effectively.
Description
technical field [0001] The invention relates to a processing method of tempered vacuum glass, which mainly improves the safety performance and service life of the vacuum glass so that it can be more widely used in fields such as construction, home appliances, locomotives, and solar energy utilization. Background technique [0002] The existing vacuum glass production methods mainly include the following: [0003] 1. Sintering method. The vacuum glass is processed by heating and cooling with higher melting point glass powder. The middle fulcrum of the vacuum glass is additionally placed by manual or mechanical placement. Some built-in getters are non-evaporable. Its main disadvantages are low production efficiency, high energy consumption, high lead content, low safety, low product qualification rate, relatively short product life, and it is not convenient for large-scale application and export of products. [0004] 2. Adopt vacuum bag method, use film to support and seal t...
Claims
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IPC IPC(8): C03B23/24C03B27/00C03C8/24
CPCY02P40/57
Inventor 徐志武刘成伟王辉刘光年化山
Owner 青岛新亨达真空玻璃技术有限公司