Precision drawing device for flat glass

Abstract

The invention discloses a precision drawing device for flat glass. The precision drawing device comprises a heating softening furnace, a heat preserving device, a hoisting device, a stretching device, an annealing device and a cutting device. The heat preserving device and the annealing device are introduced behind a heating zone, so that various stresses produced in the glass forming process are effectively controlled and reduced; an upper cover is arranged in the heating softening furnace, so that the rapid loss of heat is effectively avoided; a passage A is divided into a plurality of heating sections for zone control on heating elements, so that the uniform distribution of a thermal field in the heating zone is ensured; by virtue of introducing temperature, viscosity and glass thickness monitoring components, the glass forming process is effectively subjected to process control.

Description

technical field [0001] The invention relates to a precision drawing device for flat glass, and relates to the field of secondary thermoforming of glass. Background technique [0002] At present, industries such as digital, display, touch screen and glass reinforced panels have a greater demand for thinner flat glass products, and most of these materials on the market come from foreign manufacturers. In terms of selection flexibility, cost performance, and supply flexibility There are deficiencies in aspects such as glass and other aspects, which cannot well meet the needs of the market; most domestic manufacturers focus on the pursuit of output, and produce more thick materials such as automotive glass and building material glass. Therefore, the invention of a high-flexibility, high-efficiency, and low-cost glass secondary precision drawing process and corresponding equipment can provide an effective solution to solve the above market supply and demand problems. The drawing...

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