Glass substrate integrated overflow molding control device

Abstract

The invention discloses a glass substrate integrated overflow molding control device. A drainage baffle is arranged on the outer side of each of the two ends of an overflow brick body, and the drainage baffles fixedly arranged at the two ends of the overflow brick body can prevent glass liquid from extending outwards the two ends of the overflow brick body in the glass substrate forming process, so that the accuracy of the production size of the glass substrate is guaranteed, the structure is simple and holding can be conducted without a cooling and holding mechanism; flow guide angle plates capable of rotating relative to the drainage baffles are arranged at the lower ends of the drainage baffles and a driving screw rod drives a sliding block to move, so that the rotating angle of the flow guide angle plate is changed and the change of the width of the glass substrate is realized; the device is favorable for using the same overflow device during production of the glass substrates withdifferent size and can design the drainage angle of the drainage baffle without opening a molding again; and the device is simple in structure and convenient to operate, reduces cost, guarantees production fluctuation and forming quality of the glass substrate and guarantees stable production.

Description

technical field [0001] The invention relates to the technical field of substrate glass manufacturing, in particular to an integrated overflow forming control device for a glass substrate. Background technique [0002] The substrate glass used in the production of flat panel displays such as TFT-LCD (Thin Film Transistor Display) and PDP (Plasma Display Panel) is manufactured by overflow down-drawing. In the forming process, molten glass melted by a glass melting furnace is supplied to Melt overflow down-draw molding device to manufacture. The overflow down-draw method is a kind of substrate glass production technology. The molten glass overflows through the top of the overflow tank and flows down from the outer surfaces of both sides of the overflow tank respectively, and meets at the bottom of the tank, cooling the clamping mechanism at both ends. Under the traction of the glass, the molten glass then enters the glass forming area of ​​the substrate. The overflow down-dra...

AI Technical Summary

Problems solved by technology

The change of plate width will cause the following problems: (1) limit the utilization rate of glass; (2) the fluctuation of side plate weight (the decrease of plate width or useful plate width will lead to the increase of side plate weight); (3) the change of plate thickness (thickness change will cause stress problem)

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