Optical glass strip rolling and moulding device

Abstract

The invention relates to an optical glass strip rolling and moulding device which belongs to the technical field of optical glass melting plate one-step thermal moulding devices. The invention mainly solves the problem of larger circular bead and thickness control existing in an open type die moulding. The optical glass strip rolling and moulding device is mainly characterized by comprising a gear synchronous drive system, a crank connecting rod motion system, a cam lever system, an optical glass moulding and rolling barrel, an optical glass moulding die and a power system, wherein the gear synchronous drive system comprises a pair of cylindrical gears with same size; the crank connecting rod motion system comprises an eccentric wheel, a connecting rod and a rocker; the cam lever system comprises a cam, a linear lever, a triangular lever and a support rod; and the optical glass moulding and rolling barrel comprises a door-shaped bracket, a roller and a roller cooling system. The invention has the characteristic of improving the appearance size moulding precision of an optical glass plate (especially a thin plate) and is the optical glass strip rolling and moulding device which is mainly used for carrying out one-step thermal moulding on the molten optical glass plate.

Description

technical field [0001] The invention belongs to the technical field of one-time thermoforming device for optical glass smelting sheets. In particular, it relates to a combination method of an open cavity mold and a mechanical one-way discontinuous roll pressing, and an optical glass strip roll forming device for one-time thermoforming of the smelted optical glass sheet. Background technique [0002] At present, the production of domestic optical glass sheets has been simply formed by open molds. The glass liquid is naturally cooled and formed in the mold. Due to thermal expansion and contraction and the effect of surface tension during molding, there is a certain amount of shrinkage at the upper and lower corners. As a result, there are large rounded corners after the glass sheet is cooled and solidified in the mold cavity, and the cooling speed of the upper and lower sides is inconsistent, and the size of the rounded corners formed is also inconsistent. The smaller the thic...

AI Technical Summary

Problems solved by technology

[0002] At present, the production of domestic optical glass sheets has been simply formed by open molds. The glass liquid is naturally cooled and formed in the mold. Due to thermal expansion and contraction and the effect of surface tension during molding, there is a certain amount of shrinkage at the upper and lower corners. As a result, there are large rounded corners after the glass sheet is cooled and solidified in the mold cavity, and the cooling speed of the upper and lower sides is inconsistent, and the size of the rounded corners formed is also inconsistent. The smaller the thickness, the larger the rounded corners, making the glass cross-section appear trapezoidal, Irregular shapes such as arcs reduce the material utilization rate of glass sheets, so it is imperative to design and manufacture a glass sheet forming equipment to improve this situation

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