A glass substrate conveying device and a method for detecting the rotation synchronization of a driven shaft

Abstract

Disclosed are a glass substrate conveyor apparatus and a method for detecting the rotary synchronicity of a rotated shaft. The apparatus comprises: multiple rotated shafts (10), where the multiple rotates shafts (10) are arranged in parallel at intervals along a first direction (X) and are provided on the first direction (X) with through holes (11) running through the rotated shafts (10); multiple rollers (20) fixed at intervals onto the rotated shafts (10), for use in supporting a glass substrate (2), and in rotating with the rotation of the rotated shafts (10) to drive the glass substrate (2) into flowing; a reflective panel (30); an infrared sensor unit (40) that emits an infrared ray and receives a reflected light of the emitted infrared ray that is reflected back by an obstacle, and that determines the synchronicity of the rotation of the multiple rotated shafts (10) on the basis of the intensity value of the reflected light, where the through holes (11) and the reflective panel (30) are arranged on the propagation direction of the infrared ray emitted by the infrared sensor unit (40). With the method, the apparatus allows for real-time detection of whether or not the rotation of each rotated shaft is synchronous or stopped, thus preventing the glass substrate from being scratched or broken.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a glass substrate conveying device and a method for detecting the rotation synchronization of a driven shaft. Background technique [0002] In the production process of liquid crystal panels, when conveying TFT-LCD glass substrates, conveyor belts (Conveyor) are generally used as conveying devices for tape-out. The current conveyor belts mainly use polyoxymethylene resin (POM) and Teflon and other low-dust and anti-static Roller for glass transfer. [0003] In the process of glass conveying, it is required to have smooth tape out, no vibration, no flow deviation and no scratches on the glass substrate, which requires the relative speed of each conveyed shaft to be the same, and the contact points between the rollers and the glass to be at the same level. Usually, it can be adjusted to ensure that the height of the contact point between the rollers and the glass is within the al...

AI Technical Summary

Problems solved by technology

On the one hand, when the sliding friction is much greater than the rolling friction, it may leave marks on the glass or scratch the product; on the other hand, the added sliding friction destroys the force balance of the glass substrate and causes the glass substrate to Jitter and flow deviation, resulting in broken glass substrates

[0005] When the transmission shafts rotate asynchronously to generate sliding friction, it is difficult to detect with the naked eye, and it is generally difficult to find out in time. At present, it is often only after detection of fragments or defective products that the equipment needs to be repaired.

[0006] Therefore, it is necessary to provide a glass substrate conveying device and a method for detecting the synchronous rotation of the driven shafts, so as to solve the technical problem that the glass substrate conveying belt in the prior art cannot quickly detect whether the rotations of the driven shafts are synchronous

Images