Tempered glass flatness online detection system and detection method thereof

A technology of tempered glass and detection system, applied in measuring devices, instruments, and optical devices, etc., can solve problems such as inability to achieve consistent quality control, extremely high requirements for installation and debugging accuracy, and difficult to control measurement accuracy and errors. The effect of low cost, convenient debugging and simple parameters

Pending Publication Date: 2021-02-19
秦皇岛先河科技发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the inability to provide quantitative test results, there is a large standard deviation between operators, so consistent quality control cannot be achieved
[0006] At present, the Osprey system of LiteSentry in the United States and the Ilook system of Glaston are the most used in the global tempered glass industry. The Osprey system installs a light box above the production line, uses an oval light spot to form a pattern, and installs a camera above the production line to reflect the glass sample to the lens. Measure the major axis, minor axis size, circumference and direction of each elliptical light spot, compa

Method used

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  • Tempered glass flatness online detection system and detection method thereof
  • Tempered glass flatness online detection system and detection method thereof
  • Tempered glass flatness online detection system and detection method thereof

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Experimental program
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Embodiment 1

[0026] Such as Figure 1-3 , tempered glass flatness on-line detection system, including light box 1 for imaging, camera 2 for collecting the shape of the tempered glass to be tested, high-speed computer 3 for analysis and calculation, and transmission roller for measuring and conveying the tempered glass 6-speed track speed real-time measuring device 5, said track speed real-time measuring device 5 is connected with high-speed computer 3 signals; said video camera 2 is connected with high-speed computer 3 signals; the bottom of said light box 1 has multiple rows of round holes 8, The two adjacent rows of round holes 8 at the bottom of the light box 1 are distributed at intervals, the distance between two adjacent round holes 8 in a row at the bottom of the light box 1 is 70 mm, and the distance between two adjacent rows of round holes 8 is 60 mm. The diameter of the circular hole 8 is 50 mm, and the camera 2 is a CCD camera.

[0027] When in use, the test results obtained by...

Embodiment 2

[0029] The on-line detection method for the flatness of tempered glass comprises the following steps:

[0030] 1) Install the light box 1 at the end of the tempered glass 4 production line and above the glass 4 transmission roller table; install a camera at a position corresponding to the light box 1 above the glass 4 transmission roller table;

[0031] 2) The glass 4 is conveyed at a constant speed on the glass 4 conveying roller table through the light box 1 and the camera. The round hole 8 at the bottom of the light box 1 forms a high-precision and high-brightness circular spot light curtain, and the camera continuously and high-speed photographs the light box 1 round spot during the operation of the glass 4. image, record the change of the position of each circular spot with the movement of the glass 4, and transmit the shooting signal to the high-speed computer 3;

[0032] 3) The high-speed computer 3 calculates the slope of each point on the surface of the glass 4 throug...

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Abstract

The invention discloses a tempered glass flatness online detection system and a detection method thereof. The system comprises a lamp box used for radiography, a camera used for collecting the morphology of to-be-measured tempered glass, a high-speed computer used for analysis and calculation and a real-time track speed measuring device used for measuring the speed of a tempered glass conveying roller way, wherein the real-time track speed measuring device is in signal connection with the high-speed computer, the camera is in signal connection with the high-speed computer, and a plurality of rows of circular holes are formed in the bottom of the lamp box. Compared with an eagle system, the tempered glass flatness online detection system of the invention has the advantages that the offset of the midpoint position of each light spot is directly measured, the signal is large, the measurement precision is high, the error is low, the number of the light spots is increased due to simple measurement parameters, and the camera adopts a continuous high-speed sampling mode, so that more dense measurement information can be obtained, and the measurement accuracy is improved; and compared withan ilook system, the tempered glass flatness online detection system of the invention has the advantages that the lamp box and the camera are used for replacing laser and a laser receiver, so that the cost is low, and debugging is convenient.

Description

technical field [0001] The invention relates to the technical field of glass detection, in particular to an online detection system and a detection method for tempered glass flatness. Background technique [0002] Tempered glass is obtained by heating ordinary annealed glass to about 700 degrees close to the softening point, and then cooling it quickly and uniformly. The impact strength is improved, however, in the process of heating and cooling, as the glass runs on the ceramic conveying rollers, the gravity causes the glass to sink between the two rollers, resulting in deformation on the glass surface, and the higher the furnace temperature, the deformation may occur The larger is, the deformation is periodic, and it is related to the spacing of the rollers and the concentricity deviation of the rollers. At the same time, due to the structure of the furnace body, the lower surface of the glass is in contact with the roller table, and a large part of the heat is absorbed b...

Claims

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Application Information

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IPC IPC(8): G01B11/30
CPCG01B11/30G01B11/303
Inventor 林志强倪受庸周明祯孙涛
Owner 秦皇岛先河科技发展有限公司
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