CN-121974154-A - Air floatation and pinch roller cooperative conveying system for ultrathin glass substrate

Abstract

The invention provides an air floatation and pinch roller cooperative transmission system of an ultrathin glass substrate, which comprises a data acquisition module, a data transmission module, a data processing module, a data analysis module and a modularized transmission unit, wherein a glass substrate main body is arranged on the modularized transmission unit, the modularized transmission unit is used for transmitting the glass substrate main body, the data acquisition module is in communication connection with the data transmission module, and the data transmission module is in communication connection with the data processing module. According to the invention, the precise transverse moving component and the telescopic pinch roller component are arranged, so that the conveyed glass substrate main body is limited in the conveying process of the glass substrate main body, the conveying stability of the glass substrate is improved, the situation that the glass substrate main body is in a free state on an air film and is easily subjected to horizontal drifting, shaking and even collision with a peripheral structure due to inertia during starting, stopping or horizontal steering is effectively avoided, and the situation that the knocked angle is damaged in the conveying process of the glass substrate is effectively avoided.

Inventors

• FU LILI
• SHI RUI

Assignees

• 彩虹（合肥）液晶玻璃有限公司

Dates

Publication Date

20260505

Application Date

20260227

Claims (10)

1. 1. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate is characterized by comprising a data acquisition module, a data transmission module, a data processing module, a data analysis module and a modularized transmission unit, wherein a glass substrate main body is arranged on the modularized transmission unit, and the modularized transmission unit is used for transmitting the glass substrate main body; the data acquisition module is in communication connection with the data transmission module, the data transmission module is in communication connection with the data processing module, the data processing module is in communication connection with the data analysis module, and the data analysis module is in communication connection with the modularized transmission unit; the modularized conveying unit comprises an air floatation supporting component, a dynamic pinch roller constraint component, a position sensing component and a control system; The air floatation supporting component is used for generating an air floatation force field and supporting the glass substrate main body in a non-contact mode; the dynamic pinch roller constraint assembly is arranged on the air floatation supporting assembly, and comprises precise transverse moving parts which are symmetrically arranged on the air floatation supporting assembly and extend to the upper part of the air floatation supporting assembly, telescopic pinch roller parts are arranged on the precise transverse moving parts, and the two groups of telescopic pinch roller parts can respectively collide with two sides of the glass substrate main body; The number of the position sensing assemblies is two, the two groups of the position sensing assemblies are respectively arranged on one sides of the two groups of the precise transverse moving parts, which are close to each other, and the position sensing assemblies are used for detecting the positions of the edges of the glass substrate main body; The control system is in communication connection with the air floatation supporting component, the dynamic pinch roller constraint component and the position sensing component; the data acquisition module is used for acquiring monitoring data of the position sensing assembly; the data processing module is used for transmitting the acquired data of the data acquisition module to the data processing module; the data processing module is used for processing the data transmitted by the data transmission module; the data analysis module is used for processing data analysis of the data processing module and controlling actions of the air bearing assembly, the precise traversing component and the telescopic pinch roller component through the control system.
2. 2. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate, as set forth in claim 1, is characterized in that the air floatation supporting component comprises a bracket, an air guide plate, an air pump, an air guide pipe and a pressure regulating valve, wherein the top of the bracket is symmetrically fixed with horizontal sliding rails, the top of the two sliding rails is fixedly provided with the air guide plate in a horizontal state, the air guide plate is internally provided with an air guide cavity, the top of the air guide plate is provided with a plurality of exhaust holes which are communicated with the air guide cavity, the bottom of the air guide plate is fixedly provided with the air pump between the two sliding rails, the bottom of the air guide plate is fixedly provided with the air guide pipe which is communicated with the air guide cavity, the air outlet end of the air pump is fixedly connected with the air guide pipe, and the pressure regulating valve is fixedly arranged on the air guide pipe.
3. 3. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate according to claim 2, wherein the precise transverse moving component comprises a sliding plate and a mounting frame, wherein the sliding plate is horizontally and slidably arranged on one side, away from each other, of the two sliding rails through an electric sliding block, the mounting frame is fixedly arranged on the top of each sliding plate, and the telescopic pinch roller component is arranged on one side, close to the air guide plate, of the mounting frame.
4. 4. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate according to claim 3, wherein the telescopic pinch roller component comprises a mounting plate, a first telescopic rod, a support, a first driving rod and a limiting pinch roller, wherein the mounting plate is fixedly mounted on one side of the mounting frame, which is close to the air guide plate, in a horizontal direction in a linear array mode, the first telescopic rods in a horizontal mode are symmetrically fixed on the side wall of the mounting plate, the support is fixedly mounted at the end parts of the first telescopic rods, the limiting pinch roller in a horizontal mode is connected to the support in a rotating mode, and the first driving rod connected with the support is fixedly mounted on the mounting plate.
5. 5. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate as recited in claim 4, wherein a stud is welded on a center shaft of the limiting pinch roller, a mounting hole is formed in the support, the stud can movably penetrate through the mounting hole, and a nut which is abutted against the support is sleeved on one end of the stud penetrating through the mounting hole in a threaded manner.
6. 6. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate according to claim 5, wherein the position sensing assembly comprises a vertical plate and a laser ranging sensor, a plurality of vertical plates are fixedly arranged below the mounting frames and are arranged in a horizontal linear array, and the laser ranging sensor is fixedly arranged on one side of the vertical plate, which is close to the air guide plate.
7. 7. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate according to claim 6, wherein the mounting frame comprises a fixing frame fixedly mounted on the sliding plate, two telescopic rods in a vertical shape are symmetrically fixed on the fixing frame, a fixing plate is fixedly mounted at the bottom of the two telescopic rods, a driving rod connected with the fixing plate is fixedly mounted on the fixing frame, the mounting plate is fixed on the side wall of the fixing plate, and the vertical plate is fixed at the bottom of the fixing plate.
8. 8. The air floatation and pinch roller cooperative transmission system of ultrathin glass substrate as recited in claim 7, wherein an air isolation cover sleeved outside the air duct is fixedly arranged on the inner bottom wall of the air guide cavity, and a plurality of vent holes are formed in the outer side wall of the air isolation cover.
9. 9. The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate of claim 8, wherein connecting plates are fixedly arranged at the tops of the two fixing frames, industrial cameras are fixedly arranged at one sides of the two connecting plates, which are close to each other, and the data acquisition module is further used for acquiring image information shot by the industrial cameras.
10. 10. The air floatation and pinch roller cooperative transmission system of ultrathin glass substrate according to claim 9, wherein the control system comprises the following specific processing procedures: The data acquisition module acquires image information shot by the industrial camera; the data acquisition module acquires detection data of the laser ranging sensor; according to the specification of the glass substrate main body, controlling the air pump to work, and controlling the pressure regulating valve to regulate the air pressure so as to float the glass substrate main body; according to the size of the glass substrate main body, the driving rod II is controlled to enable the limiting pressing wheels to face the glass substrate main body, and the driving rod I is controlled to enable the limiting pressing wheels on two sides of the glass substrate main body to form interference with the side wall of the glass substrate main body.

Description

Air floatation and pinch roller cooperative conveying system for ultrathin glass substrate Technical Field The invention relates to the technical field of glass substrate conveying, in particular to an air floatation and pinch roller cooperative conveying system for an ultrathin glass substrate. Background In the manufacturing process of the large-size ultrathin glass substrate, high-speed, stable and nondestructive transmission is a key link for ensuring the yield and the production efficiency of products. In the prior art, the mainstream conveying scheme mainly comprises pure roller contact conveying and pure air floatation non-contact conveying. The pure roller transfer scheme relies on direct contact and friction of the rollers with the substrate surface for driving and positioning. However, under high-speed transmission, microscopic hard contact between the roller and the surface of the ultrathin substrate is extremely prone to scratch, and the optical performance and the electrical performance of the product are affected. Meanwhile, for substrates with different sizes, the roller spacing needs to be frequently stopped and adjusted, the adaptability is poor, and the utilization rate of the production line is affected. Therefore, the pure air-float conveying mode is widely used, and the substrate is supported by forming an air film through the gas sprayed from the air-float plate to carry out non-contact conveying, so that the surface damage is fundamentally avoided, but the following defects are also caused in the conveying process of the glass substrate in the air-float conveying mode: The substrate is in a free state on the air film, and when the glass substrate is started, stopped or horizontally turned, the glass substrate is easy to drift and shake in the horizontal direction and even collide with the peripheral structure due to the influence of inertia, so that the glass substrate is easy to collide with the corner to be damaged in the conveying process. Disclosure of Invention Aiming at the defects of the prior art, the invention provides an air floatation and pinch roller cooperative conveying system for an ultrathin glass substrate, which solves the problems in the background art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The air floatation and pinch roller cooperative transmission system of the ultrathin glass substrate comprises a data acquisition module, a data transmission module, a data processing module, a data analysis module and a modularized transmission unit, wherein a glass substrate main body is arranged on the modularized transmission unit, and the modularized transmission unit is used for transmitting the glass substrate main body; the data acquisition module is in communication connection with the data transmission module, the data transmission module is in communication connection with the data processing module, the data processing module is in communication connection with the data analysis module, and the data analysis module is in communication connection with the modularized transmission unit; the modularized conveying unit comprises an air floatation supporting component, a dynamic pinch roller constraint component, a position sensing component and a control system; The air floatation supporting component is used for generating an air floatation force field and supporting the glass substrate main body in a non-contact mode; the dynamic pinch roller constraint assembly is arranged on the air floatation supporting assembly, and comprises precise transverse moving parts which are symmetrically arranged on the air floatation supporting assembly and extend to the upper part of the air floatation supporting assembly, telescopic pinch roller parts are arranged on the precise transverse moving parts, and the two groups of telescopic pinch roller parts can respectively collide with two sides of the glass substrate main body; The number of the position sensing assemblies is two, the two groups of the position sensing assemblies are respectively arranged on one sides of the two groups of the precise transverse moving parts, which are close to each other, and the position sensing assemblies are used for detecting the positions of the edges of the glass substrate main body; The control system is in communication connection with the air floatation supporting component, the dynamic pinch roller constraint component and the position sensing component; the data acquisition module is used for acquiring monitoring data of the position sensing assembly; the data processing module is used for transmitting the acquired data of the data acquisition module to the data processing module; the data processing module is used for processing the data transmitted by the data transmission module; the data analysis module is used for processing data analysis of the data processing module and controlling actions of the air bearing assembly, the pre