CN210102923U - Air floatation device for controlling glass substrate to float high under imaging line - Google Patents
Air floatation device for controlling glass substrate to float high under imaging line Download PDFInfo
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- CN210102923U CN210102923U CN201920773971.8U CN201920773971U CN210102923U CN 210102923 U CN210102923 U CN 210102923U CN 201920773971 U CN201920773971 U CN 201920773971U CN 210102923 U CN210102923 U CN 210102923U
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Abstract
The utility model discloses a control glass substrate air supporting device that wafts height under formation of image line belongs to glass substrate conveying equipment technical field, and it includes: the glass detection device comprises an air floating platform for supporting glass, wherein an optical detection unit for detecting the glass is arranged above the air floating platform; the air pressure device is arranged on the optical detection unit and provided with an air inlet and an air outlet, the air outlet blows air towards the air floatation platform, and the air inlet of the air pressure device is provided with a proportional valve which is used for adjusting the air pressure of the air pressure device. The air outlet of the upper air pressure device of the air floating device blows air downwards towards the direction of the air floating platform, the air pressure intensity above the edge of the glass substrate is enhanced by the air blown by the upper air pressure device, the air pressure intensity of the air flow below the glass substrate is counteracted by the air blown by the upper air pressure device, the tendency of upward warping of the edge of the glass substrate is balanced, and the flatness of the glass substrate is improved.
Description
Technical Field
The utility model relates to a glass substrate conveying equipment technical field, concretely relates to air supporting device that control glass substrate was wafted high under formation of image line.
Background
Flat panel display technologies, represented by liquid crystal displays, are widely used in people's daily production and life. During the production and manufacturing process of the flat display glass substrate, a plurality of processes and various detection links exist, so that the glass substrate is frequently conveyed to each working link, the glass substrate is easily damaged due to scratches, deformation, local stress concentration and the like during the conveying process, the traditional liquid crystal glass substrate is conveyed in a contact type conveying mode, namely, a workpiece is in direct contact with the surface of a conveying device, and is driven by rollers, so that scratches and cracks are easily caused on the surface of the glass substrate, and a plurality of problems of static electricity, metal pollution and the like exist at the same time, the product quality is seriously influenced, and the requirements of the current technical development cannot be met. On the other hand, the contact type transportation method is restricted by friction force, so that the transportation speed is difficult to increase, and the further improvement of the production efficiency is limited. At present, the glass substrate is developed towards the direction of large-scale and thin-type, the new generation of glass substrate manufacturing puts forward the requirements of high precision, high cleanness and high reliability to the transportation system, and the friction-free non-contact transportation mode has great advantages in meeting the technical requirements. The basic idea of non-contact transportation is to apply non-contact acting force to an object to counteract the self gravity thereof so as to realize suspension, thereby effectively inhibiting surface scratches and static electricity.
In the prior art, the glass substrate is conveyed by the air floating device, the ultrahigh flatness can be obtained, but the edge of the glass substrate is damaged due to the leakage of atmospheric pressure, the pressure balance of air blown out by the air floating device is damaged, so that the edge of the glass substrate is warped and deformed, the warping is not beneficial to the detection of the optical detection unit on the edge of the glass substrate, the detection rate of the edge of the glass substrate is reduced, and the edge of the glass substrate is just a bad high-incidence area, so the glass substrate conveying device has practical engineering significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve is that glass substrate's edge takes place warp among the prior art, is unfavorable for the optical detection unit to the technical problem of the detection at glass substrate edge, and aim at provides a control glass substrate air supporting device that wafts height under the formation of image line.
The utility model provides a control glass substrate air supporting device that wafts height under formation of image line, it includes:
the air floatation platform is used for supporting the glass substrate;
the optical detection unit is positioned above the air floating platform and is used for acquiring image information of the glass substrate;
the upper air pressure device is arranged on the optical detection unit and provided with an air inlet and an air outlet, and the air outlet blows air towards the air floatation platform.
The preferred scheme is as follows: and the air inlet of the upper air pressure device is provided with a proportional valve, and the proportional valve is used for adjusting the air pressure of the upper air pressure device.
The preferred scheme is as follows: the air floating platform comprises a machine table and an air floating plate arranged on the machine table, and the air floating plate is fixedly connected with the machine table through an air floating plate mounting frame.
The preferred scheme is as follows: the optical detection unit comprises a rack, a Z-axis driving mechanism and an optical head system, wherein the optical head system is arranged on the rack through the Z-axis driving mechanism, the Z-axis driving mechanism is used for driving the optical head system to move up and down, and the upper air pressure device is fixed at the bottom of the optical head system.
The preferred scheme is as follows: the bottom of the optical head system is also provided with an optical lens for collecting image information of the glass substrate, and the upper air pressure device is positioned on one side of the optical lens.
The preferred scheme is as follows: the machine is a granite machine.
The preferred scheme is as follows: the frame is a granite gantry framework or a marble gantry framework, and the Z-axis driving mechanism is a linear module driving mechanism.
The preferred scheme is as follows: the proportional valve is an electric proportional valve, the electric proportional valve is electrically connected with an industrial personal computer, and the industrial personal computer is used for controlling the flow and the pressure of the electric proportional valve.
The preferred scheme is as follows: the optical lens and the upper air pressure device are arranged along the movement direction of the glass substrate.
On the basis of the above technical scheme, compare with prior art, the utility model has the advantages as follows:
1) the utility model discloses a control glass substrate air supporting device that floats high under formation of image line, this air supporting device is equipped with air pressure unit between air supporting platform and optical detection unit, when optical detection unit detected the glass substrate, this air pressure unit's gas outlet blows off gas downwards towards the direction of air supporting platform, the air pressure of glass substrate edge top has been strengthened to the gas that upward air pressure unit blew off, the air pressure that the gas that upward air pressure unit blew off was used for offsetting glass substrate below air current, the trend of balanced glass substrate edge upwarping, the plane degree at improvement glass substrate edge.
2) The utility model discloses a control glass substrate air supporting device that wafts under formation of image line, this air inlet of going up air pressure unit are equipped with the proportional valve of adjusting air pressure unit atmospheric pressure, and this proportional valve can adjust the atmospheric pressure of going up air pressure unit according to different types of glass substrate, reaches the trend that balanced glass substrate edge upwarps, has improved flexibility and the commonality that this air supporting device used.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a partial enlarged view of a portion a in fig. 1 according to an embodiment of the present invention.
Reference numerals: the device comprises a 1-air floating plate, a 2-air floating plate mounting rack, a 3-machine table, a 4-machine frame, a 5-optical head system, a 6-Z-axis driving mechanism, a 7-optical lens, an 8-upper air pressure device, a 9-proportional valve and a 10-glass substrate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an air flotation device for controlling the edge of a glass substrate from floating up under an imaging line, which includes: the glass substrate detection device comprises an air floating platform, wherein the air floating platform is used for supporting a glass substrate 10, an optical detection unit is located above the air floating platform and used for acquiring image information of the glass substrate 10, an upper air pressure device 8 is arranged on the optical detection unit, the upper air pressure device 8 is provided with an air inlet and an air outlet, and air is blown out of the air outlet towards the air floating platform.
Principle of operation
The air floatation device is provided with an upper air pressure device 8 between an air floatation platform and an optical detection unit, the upper air pressure device 8 is arranged at a certain distance across the front of an imaging line, the distance is a fixed value, when the optical detection unit detects the glass substrate 10, an air outlet of the upper air pressure device 8 blows air downwards towards the air floatation platform, the glass substrate 10 is subjected to air flow pressure blown by the upper air pressure device 8 immediately after crossing the imaging line, the upward tilting trend of the front end of the glass substrate 10 is balanced, and the flatness of the glass substrate 10 is improved. Since the gas pressure under the glass substrate 10 has a very high rigidity, it is ensured that the glass substrate 10 does not come into contact with the air floating device.
Specifically, the method comprises the following steps: the air inlet of the upper air pressure means 8 is provided with a proportional valve 9, which proportional valve 9 is used to adjust the air pressure of the upper air pressure means 8. This proportional valve 9 can adjust the atmospheric pressure of last air pressure unit 8 according to different types of glass substrate 10, reaches the trend of balanced glass substrate 10 edge upwarping, has improved the flexibility and the commonality that this air supporting device used. The proportional valve 9 is preferably, but not limited to, an electric proportional valve, which is electrically connected with an industrial personal computer for controlling the flow and pressure of the electric proportional valve, the industrial personal computer configures a pressure curve according to the actual type of the glass substrate 10 on site, and the glass substrate 10 is subjected to the air flow pressure of the upper air pressure device 8 immediately after crossing the imaging line, so as to balance the upward tilting tendency of the glass substrate 10.
Scheme of the preferred embodiment: the air supporting platform comprises a machine table 3 and an air supporting plate 1 arranged on the machine table 3, and the air supporting plate 1 is fixedly connected with the machine table 3 through an air supporting plate mounting frame 2. The optical detection unit comprises a rack 4, a Z-axis driving mechanism 6 and an optical head system 5, wherein the optical head system 5 is arranged on the rack 4 through the Z-axis driving mechanism 6, the Z-axis driving mechanism 6 is a linear module driving mechanism, and the Z-axis driving mechanism 6 is used for driving the optical head system 5 to reciprocate up and down on the rack 4. The frame 4 is a granite gantry framework, and the machine 3 is a granite machine.
Granite gantry framework and granite board have abrasion resistance, high temperature resistance, convenient maintenance, convenient mechanical guide rail, lead screw dismantlement. The working surface of the granite gantry framework is simple and convenient to maintain and stable in material quality in use, can ensure no deformation for a long time, and has small linear expansion coefficient, high mechanical precision, rust prevention, magnetism prevention and insulation. No deformation, high hardness and high antiwear performance. The granite gantry framework is suitable for the field working environment, has the characteristic of high and permanent product precision, and can determine the processing and detection precision and the quality of a working product in the working environment.
Scheme of the preferred embodiment: the upper air pressure device 8 is fixed at the bottom of the optical head system 5, the bottom of the optical head system 5 is also provided with an optical lens 7 for collecting image information of the glass substrate 10, and the upper air pressure device 8 is positioned at one side of the optical lens 7. The optical lens 7 and the upper air pressure device 8 are arranged along the moving direction of the glass substrate 10. The upper air pressure device 8 balances the edge of the glass substrate 8, and the optical lens 7 collects images of the glass substrate 10.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (9)
1. The utility model provides an air supporting device that control glass substrate floats height under formation of image line which characterized in that, it includes:
an air-floating platform for supporting a glass substrate (10);
the optical detection unit is positioned above the air floating platform and is used for acquiring image information of the glass substrate (10);
the air floatation device comprises an upper air pressure device (8), wherein the upper air pressure device (8) is arranged on the optical detection unit, the upper air pressure device (8) is provided with an air inlet and an air outlet, and the air outlet blows air towards the direction of the air floatation platform.
2. The air flotation device for controlling the floating height of the glass substrate under the imaging line according to claim 1, wherein: and a proportional valve (9) is arranged at an air inlet of the upper air pressure device (8), and the proportional valve (9) is used for adjusting the air pressure of the upper air pressure device (8).
3. The air flotation device for controlling the floating height of the glass substrate under the imaging line according to claim 1, wherein: the air-floating platform comprises a machine table (3) and an air-floating plate (1) arranged on the machine table (3), wherein the air-floating plate (1) is fixedly connected with the machine table (3) through an air-floating plate mounting frame (2).
4. The air flotation device for controlling the floating height of the glass substrate under the imaging line according to claim 1, wherein: the optical detection unit comprises a rack (4), a Z-axis driving mechanism (6) and an optical head system (5), wherein the optical head system (5) is arranged on the rack (4) through the Z-axis driving mechanism (6), the Z-axis driving mechanism (6) is used for driving the optical head system (5) to move up and down, and the upper air pressure device (8) is fixed at the bottom of the optical head system (5).
5. The apparatus of claim 4, wherein the apparatus comprises: the bottom of the optical head system (5) is also provided with an optical lens (7) for collecting image information of the glass substrate (10), and the upper air pressure device (8) is positioned on one side of the optical lens (7).
6. The apparatus of claim 3, wherein the apparatus comprises: the machine (3) is a granite machine.
7. The apparatus of claim 4, wherein the apparatus comprises: the frame (4) is a granite gantry framework or a marble gantry framework, and the Z-axis driving mechanism (6) is a linear module driving mechanism.
8. The apparatus of claim 2, wherein the apparatus comprises: proportional valve (9) are electric proportional valve, electric proportional valve electric connection has the industrial computer, the industrial computer is used for controlling electric proportional valve's flow and pressure.
9. The air flotation device for controlling the floating height of the glass substrate under the imaging line according to claim 5, wherein: the optical lens (7) and the upper air pressure device (8) are arranged along the movement direction of the glass substrate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920773971.8U CN210102923U (en) | 2019-05-27 | 2019-05-27 | Air floatation device for controlling glass substrate to float high under imaging line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920773971.8U CN210102923U (en) | 2019-05-27 | 2019-05-27 | Air floatation device for controlling glass substrate to float high under imaging line |
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| Publication Number | Publication Date |
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| CN210102923U true CN210102923U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920773971.8U Active CN210102923U (en) | 2019-05-27 | 2019-05-27 | Air floatation device for controlling glass substrate to float high under imaging line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816144A (en) * | 2021-08-23 | 2021-12-21 | 甘肃旭盛显示科技有限公司 | Glass substrate fetching device and glass substrate production line |
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2019
- 2019-05-27 CN CN201920773971.8U patent/CN210102923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816144A (en) * | 2021-08-23 | 2021-12-21 | 甘肃旭盛显示科技有限公司 | Glass substrate fetching device and glass substrate production line |
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