Double-vacuum layer convex glass with sealing strips and mounting holes through metal welding

Abstract

A piece of double-vacuum layer convex glass with sealing strips and mounting holes through metal welding comprises an upper piece of glass, a lower piece of glass and a middle piece of glass, and is characterized in that the mounting holes are comprised; the upper and the lower piece of glass are convex glass; at least one is respectively arranged at the peripheries of the lower surfaces of the upper glass and the middle glass and of the mounting hole; at least two sealing strips are respectively arranged at the peripheries of the upper surfaces of the lower glass and the middle glass and of the mounting hole; the peripheries of the three pieces of glass are automatically welded together in a vacuum furnace through metal solder; the mounting hole is also automatically sealed through the metal solder. The vacuum glass and the manufacturing method thereof are simple in process. According to the vacuum glass and the toughened vacuum glass prepared, not only are mounting and using convenient, but also the airtightness of the vacuum glass is ensured, and the strength, and heat insulation and acoustic insulation performance are also increased.

Description

technical field [0001] The invention relates to the technical field of glass deep processing, in particular to a convex double-vacuum-layer glass welded with a metal seal and a mounting hole and a manufacturing method thereof. [0002] Background technique [0003] Vacuum glass is a new type of energy-saving glass. Vacuum glass can not only solve the "breathing" problem of insulating glass used in large quantities, but also has good heat and sound insulation performance, high wind pressure resistance, small thickness and long service life. advantage. Vacuum glass is generally composed of two to three pieces of glass, a cavity is formed between two adjacent pieces of glass, and an edge sealing structure is arranged around the glass, and the cavity is evacuated to form a vacuum layer. Vacuum glass can be divided into two types according to the way of forming the vacuum layer. One is the vacuum glass without air extraction port. The edge sealing of this vacuum glass is carrie...

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Problems solved by technology

[0004] The applicant of the present invention disclosed a series of vacuum glass without air extraction port and its manufacturing method in the patent of vacuum glass applied in March, 2012. At high temperature and vacuum, the air and moisture absorbed by the solder, the volatile substances in the solder, the gas dissolved in the solder during the production process, and the decomposition of some oxides in the solder will cause a large number of bubbles in the solder , which greatly weakens the performance of the solder, especially the airtightness, which greatly affects the feasibility of this method

The existing mass-produced vacuum glass is all vacuum glass with an air extraction port, but there are complex manufacturing processes, low air extraction temperature (incomplete air extraction), single-piece vacuuming, high cost, low production capacity, and inability to make toughened vacuum glass. Cons of glass etc.

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