A multi-piece glass selection device and a method for multi-piece glass at the cold end of a flat glass production line

Abstract

The invention discloses a multiple glass plate selecting device and a method for selecting multiple glass plates at a cold end of a plate glass production line. The device comprises hanging rollers, transmission mechanisms, lifting mechanisms and a control system, wherein six groups of hanging rollers are arranged in parallel to each other at intervals; one ends of the hanging rollers of each group in the longitudinal direction are fixedly connected with supporting top ends perpendicular to the ground at the ends by use of crankshafts, respectively, while the other ends of the hanging rollers in the longitudinal direction are suspended in air to serve as cantilever ends; sliding rails are mounted on the lower surfaces of the hanging rollers next to the cantilever ends; six groups of transmission mechanisms are arranged at the ends of all the groups of hanging rollers with the crankshafts, respectively; six groups of lifting mechanisms are arranged, and all are single-cylinder lifting mechanisms and connected with all the groups of hanging rollers, respectively; the control system is connected with the six groups of lifting mechanisms by use of a total air source. The multiple glass plate selecting device can be used for selecting less than six glass plates, and is high in efficiency, low in glass breakage rate, wide in application and convenient to popularize.

Description

technical field [0001] The invention belongs to the field of glass production, and relates to a method and a device for selecting pieces at the cold end of a flat glass production line. Background technique [0002] Most of the existing glass selection rollers at the cold end of the glass production line can only select two pieces, and the motor reducer used in the lifting mechanism is the power source, and accidents occur frequently. With the development of the world economy and the continuous growth of social and industrial demand, the requirements for energy consumption are becoming more and more stringent. In order to reduce energy consumption, increasing the melting tonnage of melting furnaces has become the main means. The mainstream of the production line, the width of the original float glass is getting wider and wider. In order to meet the market demand, the glass ribbon is required to be divided into multiple pieces horizontally to meet the requirements of multi-va...

AI Technical Summary

Problems solved by technology

[0003] No matter there are two or three piece selection devices on the current float glass production line, although their structures are different; usually there are the following types: one is to set the rotation shaft of the landing gear and the first roller as one, and the roller The rotation also transmits the power to the other rollers through the first roller, which is usually driven by a chain; this structure can keep the upper generatrix of the rollers in the forward direction of the glass from being raised when the roller table is raised and lowered; but when the roller table is raised and lowered, it will Change the tension of the transmission sprocket, so that the rotation speed of the rollers is unstable, resulting in unreasonable offset or displacement of the glass moving on the roller table; It is separated from the first roller, and the transmission is equipped with a drive shaft. This structure solves the problem of unsteady transmission of the roller during the lifting and lowering of the landing gear; High or falling, sometimes higher than the upper generatrix of the normal roller table, sometimes lower than the upper generatrix of the normal roller, which causes the acceleration or deceleration of the glass sheet on the roller table, and also causes relative displacement of the glass on the roller table

The third is that when multiple pieces of glass come over, the speed of the suspension roller table is not synchronized when the landing gear is raised or lowered at the same time, which will also cause relative movement of the glass on the roller table; the fourth is that the transmission source is on both sides of the equipment. The transmission distance is long and the transmission accuracy is not accurate

It is precisely because of the relative sliding between the glass and the conveying roller table that the lower surface of the glass is scratched and the product quality is reduced; or, after the relative movement of the glass, the positioning of the glass box is affected to a certain extent, resulting in the failure of the glass chip. Qi, which seriously affects the surface quality and packing quality of glass products

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