A double-chamber four-station glass bending tempering device and control method

A four-station, glass technology, applied in glass tempering, glass manufacturing equipment, glass production, etc., can solve the problems that the overall temperature of the glass plate is difficult to achieve uniformity, the quality of the glass plate is not ideal, and the heating temperature is high, and the heating time can be achieved. Effects of shortening, avoiding waveforms, and improving surface quality

Active Publication Date: 2016-08-31
MOUNTAIN GLASS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After searching, the publication number is CN1224406A, and the name is "Heating Furnace for Heat Treatment of Glass Plates", which includes a longitudinally elongated chamber, which accommodates a roller conveyor device for glass plates. The heating furnace is characterized in that , which comprises radiation heating means combined with first and second means for heating by forced convection of air in which the temperature of the air is controlled by regulating its circulation rate, said means being arranged respectively in said The top and bottom of the conveyor device, and therefore are respectively set above and below the glass plate being processed. During the heating process, the four sides and the outer layer of the glass plate are heated at a high temperature, while the center temperature is low, and the overall temperature of the glass plate is difficult to achieve uniformity. , the quality of the glass plate is not ideal

Method used

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  • A double-chamber four-station glass bending tempering device and control method
  • A double-chamber four-station glass bending tempering device and control method
  • A double-chamber four-station glass bending tempering device and control method

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Effect test

Embodiment 1

[0022]The discharge end of the preheating furnace 1 is set correspondingly to the feed end of the heating furnace 2, the feed end of the preheating furnace 1 is provided with the upper section 4, and the bending steel forming section is provided between the discharge end of the heating furnace 2 and the section 5 3. The arc-changing mechanism 3-2 is set in the bending steel forming section 3; above the upper section 4 and the taking section 5, the elevation of the conveying roller 8 in the preheating furnace 1 and the heating furnace 2 is consistent, and the preheating furnace 1 and the heating furnace 2 A temperature control system is set above and below the conveying roller 8. The middle line of the preheating furnace 1 and the feeding end and the discharging end form a heating zone A for one station and a heating zone B for two stations. The middle line of the heating furnace 2 The three-station heating zone C and the four-station heating zone D are formed between the line, ...

Embodiment 2

[0024] The operating sequence of the glass 9 is the upper section 4, the first station heating zone A, the second station heating zone B, the third station heating zone C, the four station heating zone D, the bending steel forming section 3, the taking section 5; the upper section 4 The conveying roller 8 drives the glass 9 to enter the induction zone at the feed end of the preheating furnace 1 and stops to enter, and the conveying roller 8 in the heating zones A, B, C and D of the first, second, third and fourth stations drives the heated glass 9 moves forward at the same time, the glass 9 in the induction area of ​​the feeding end of the preheating furnace 1 enters the heating area A of the first station, and at the same time, the glass 9 is replenished on the upper section 4, and the conveying roller 8 of the heating area D of the four stations drives the glass 9 from the outlet The material end enters the variable arc mechanism 3-2 of the bending steel forming section 3, an...

Embodiment 3

[0026] In the preheating furnace 1, the heating temperature of the heating zone A of the first station is 0-450 degrees, the set temperature of the whole glass 9 is 450-5-450+5 degrees, and the heating temperature of the heating zone B of the second station is 450-490 degrees. The set temperature of the glass 9 is 490-5~490+5 degrees; the heating temperature of the three-station heating zone C in the heating furnace 2 is 490~590 degrees, and the set temperature of the whole glass 9 is 590-5~590+5 degrees. The heating temperature of the station heating zone D is 590-700 degrees, and the set temperature of the whole glass 9 is 700-10-700+10 degrees.

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Abstract

A dual-chamber four-station glass bending tempering device and control method, comprising: a preheating furnace, a heating zone at one station, a heating zone at two stations, a heating furnace, a heating zone at three stations, a heating zone at four stations, a bending Steel forming section, arc changing mechanism, upper segment, segment extraction, matrix temperature control module, porcelain tube, heating furnace wire, furnace wire lead-out rod, thermocouple, conveying roller, glass, motor; according to different parts of the glass, the matrix is ​​fuzzy The control program automatically controls different heating temperatures and holding times. After the temperature of the whole piece of glass is consistent, it continues to heat up and keep warm. The temperature can be fixed to make the glass evenly heated step by step, to ensure the overall temperature of the glass is consistent, and to avoid the different heating temperatures of various parts from affecting the quality of the glass.

Description

technical field [0001] The invention relates to the technical field of tempered glass heating, in particular to a double-chamber four-station glass bending tempering device and a control method. Background technique [0002] The ordinary tempered glass process is to heat the glass to a tempering temperature range of 650-730 degrees, and then cool it rapidly. Because the cooling speed of the glass surface and the interior is different, a higher stress is formed on the glass surface. , since the softening temperature of glass is above 550 degrees, and the heating of the object is that the four sides and the outer layer are heated faster, and the center is heated more slowly, so that if the glass enters the heating section, the given heating temperature is about 700 degrees, it will The surrounding of the glass has been overheated and distorted, but the center has not been heated enough. However, the surface quality of glass used in automobiles is getting higher and higher. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B27/012
CPCY02P40/57
Inventor 王永康李威
Owner MOUNTAIN GLASS TECH
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