High-precision AOI (automatic optical inspection) online detection integral equipment for liquid crystal display screen

Abstract

The invention discloses liquid crystal display screen high-precision AOI online detection integral equipment, and relates to the technical field of liquid crystal display screen online detection, the liquid crystal display screen high-precision AOI online detection integral equipment comprises a machine body, supporting legs are fixedly mounted at the bottom of the machine body, detection equipment is fixedly mounted at the top of the inner wall of the machine body, and conveying wheels are rotatably mounted at the bottom of the inner wall of the machine body; a motor is fixedly installed at the bottom of the inner wall of the machine body, conveying wheels are fixedly installed at the output end of the motor and are in transmission connection through a transmission belt, a bulldozing device is arranged at the bottom of the inner wall of the machine body, a cleaning device is arranged at the bottom of the inner wall of the machine body, and a buffering device is arranged at the bottom of the inner wall of the machine body. The bulldozing device comprises a first gear, a rotating column, a second gear, a cylinder, a lantern ring and a stop lever, a sliding rod slides to push a push plate to start to move, a display screen is located in the middle of a conveying wheel, it is ensured that the measuring instrument is within the optimal measuring range, and the overall efficiency of detection is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of online detection of liquid crystal display screens, and in particular to a high-precision AOI online detection integrated device for liquid crystal display screens. Background Art

[0002] Liquid crystal display (LCD) high-precision automatic optical inspection (AOI) online inspection equipment is a kind of equipment specially used to inspect each link in the manufacturing process of liquid crystal display. It is mainly used to ensure product quality and production efficiency. Through the high-precision camera system, AOI can measure the size and gap of the display screen to ensure that the product meets the design specifications.

[0003] The patent with the patent announcement number CN114608454A involves the field of online detection technology of liquid crystal display screens. The invention is a high-precision AOI online detection integrated device, including a machine, an X-axis linear module installed on the machine, and a PCB board Y-axis moving positioning module. The X-axis linear module is connected to the AOI component, and the PCB board Y-axis moving positioning module is provided with a PCB board, which is located under the AOI component for detection. The invention is mainly used for the detection of PCB board size and surface roughness, and has the advantages of high precision, high efficiency, and the ability to detect online.

[0004] In the above invention, a PCB board is provided through the PCB board Y-axis moving positioning module, and the PCB board is located below the AOI component for detection. This invention is mainly used for the detection of PCB board size and surface roughness, and has the advantages of high precision, high efficiency, and online detection. However, when the display screen is detected, if the display screen position is deviated, it may cause detection errors or failures. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a high-precision AOI online detection integrated device for liquid crystal display screens, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A high-precision AOI online detection integrated device for a liquid crystal display screen includes a body, a support foot is fixedly installed at the bottom of the body, a detection device is fixedly installed at the top of the inner wall of the body, a conveying wheel is rotatably installed at the bottom of the inner wall of the body, a motor is fixedly installed at the bottom of the inner wall of the body, a conveying wheel is fixedly installed at the output end of the motor, and the conveying wheel is connected through a transmission belt, a flattening device is provided at the bottom of the inner wall of the body, a cleaning device is provided at the bottom of the inner wall of the body, and a buffer device is provided at the bottom of the inner wall of the body; The gear train is a gear that is fixedly mounted on one end of the transmission wheel, the gear train is rotatably mounted on the bottom of the body inner wall, the gear train is fixedly mounted on the circumferential surface of the transmission wheel, the cylinder is fixedly mounted on the top of the transmission wheel, the ring is slidably mounted on the top of the transmission wheel, the sliding rod is fixedly mounted on the right side of the ring, the pushing plate is fixedly mounted on the end of the sliding rod away from the ring, the sliding column slides through the pushing plate, the baffle is fixedly mounted on the back of the pushing plate, the motor drives the conveying wheel to start rotating, the conveying wheel rotates through the transmission belt to drive the other conveying wheels to start rotating, the conveying wheel rotates to drive the gear train to start rotating, the gear train rotates to drive the gear train to start rotating, the gear train rotates to drive the gear train to start rotating, the gear train rotates to drive the rotating column to start rotating, and the rotating column rotates to drive the cylinder to start rotating.

[0007] According to the above technical solution, gear one is meshed with gear two, and spring one is arranged between the push plate and the baffle. The meshing of gear one and gear two ensures that gear one can drive gear two to rotate together when rotating, and the setting of spring one ensures that the baffle can achieve autonomous reset.

[0008] According to the above technical solution, the cleaning device includes a push rod, a support frame, an elastic telescopic rod, a cleaning rod and an inclined plane block. The push rod is fixedly mounted on the top of the sliding rod, the support frame is fixedly mounted on the bottom of the inner wall of the machine body, the elastic telescopic rod is fixedly mounted on the bottom of the support frame, the cleaning rod is fixedly mounted on the movable end of the elastic telescopic rod, and the inclined plane block is fixedly mounted on the front of the cleaning rod. The movement of the push rod pushes the inclined plane block to start moving, and the movement of the inclined plane block drives the cleaning rod to start moving. The cleaning rod moves and contacts the display on the conveying wheel.

[0009] According to the above technical solution, the cleaning device also includes a storage tank, a water pipe, a valve, a swivel, a protrusion, two rotating rods 1, a belt 1, two push blocks 1 and a push block 2. The storage tank is fixedly installed on the top of the support frame, the water pipe is fixedly installed on the bottom of the storage tank, the valve is fixedly installed on the circumferential surface of the water pipe, the swivel is fixedly installed on the control end of the valve, the protrusion is fixedly installed on the circumferential surface of the swivel, the two rotating rods 1 are connected by a belt 1 transmission, the two push blocks 1 are fixedly installed on the back of the belt 1, and the push block 2 is fixedly installed on the front of the belt 1. The movement of the push block 2 drives the belt to start rotating around the two rotating rods 1, the rotation of the belt 1 drives the push block to start moving, the movement of the push block 1 drives the protrusion to start moving, and the movement of the protrusion drives the swivel to start rotating.

[0010] According to the above technical solution, the side where the push rod 1 and the inclined surface block 1 contact each other is set as an inclined surface, and a spring 2 is provided between the push block 1 and the valve. The inclined surface is provided to ensure that the push rod 1 can smoothly push the inclined surface block 1, and the spring 2 is provided to ensure that the push block 1 can achieve autonomous reset.

[0011] According to the above technical solution, the buffer device includes a push rod 2, a sloped rod, a slide plate, two sloped blocks 2, a flap and a stopper, the push rod 2 is fixedly installed on the back of the cleaning rod, the sloped rod is slidably installed on the bottom of the inner wall of the machine body, the slide plate is slidably installed on the bottom of the inner wall of the machine body, the two sloped blocks 2 are fixedly installed on the top of the slide plate, the flap plate is rotatably installed between the two sloped blocks 2, and the stopper is fixedly installed on the bottom of the inner wall of the machine body. When the push rod 2 starts to move, it pushes the sloped rod to start moving. When the sloped rod moves, it pushes the sloped block 2 to start moving. When the sloped block 2 moves, it drives the slide plate to start moving. When the slide plate moves, it drives the flap plate to start moving.

[0012] According to the above technical scheme, the buffer device also includes two rotating rods 2, a belt 2, a fixed rod, a buffer plate and a connecting rod. The two rotating rods 2 are rotatably installed at the bottom of the inner wall of the machine body, and the two rotating rods 2 are connected through a belt 2 transmission. One end of the fixed rod is fixedly installed on the back of the skateboard, and the other end of the fixed rod is fixedly installed on the front of the belt 2. The buffer plate is slidably installed at the bottom of the inner wall of the machine body. One end of the connecting rod is fixedly installed on the back of the belt 2, and the other end of the connecting rod is fixedly installed on the left side of the buffer plate. When the skateboard moves, it drives the fixed rod to start moving. The movement of the fixed rod drives the belt 2 to start rotating around the two rotating rods 2. The rotation of the belt 2 drives the connecting rod to start moving. The movement of the connecting rod drives the buffer plate to start moving.

[0013] According to the above technical solution, the side of the push rod 2 that contacts the inclined plane rod is set as an inclined plane, the side of the inclined plane rod that contacts the inclined plane block 2 is set as an inclined plane, and a spring 3 is arranged between the slide plate and the bottom of the inner wall of the machine body. By setting the inclined plane, it is ensured that the push rod 2 can smoothly push the inclined plane rod, and by setting the inclined plane, it is ensured that the inclined plane rod can smoothly push the inclined plane block 2. By setting the spring 3, it is ensured that the slide plate can achieve autonomous reset.

[0014] The present invention provides a high-precision AOI online detection integrated device for liquid crystal display screens. It has the following beneficial effects: (1) The invention starts to move the push plate by sliding the sliding rod. The movement of the push plates at both ends will push the display screen located on the conveying wheel so that the display screen is located in the middle of the conveying wheel, ensuring that the measuring instrument is within the optimal measurement range, thereby improving the accuracy and consistency of the measurement and the overall efficiency of the inspection. By moving the blocking rod to block a corner of the display, the display can adjust its state during transportation, ensuring that the display can be quickly moved to the required position, saving time for manual adjustment, improving the overall efficiency of the inspection, and preventing the display from being in a position or state that the inspection equipment cannot detect, resulting in inspection failure.

[0015] (2) The invention starts to move the cleaning rod by moving the inclined block. The cleaning rod moves and contacts the display on the conveying wheel, ensuring that dust, fingerprints, oil stains and other impurities on the surface of the display can be effectively removed, so that the display remains clean and the image is clearly visible. The valve is opened by turning the rotating ring, so that the cleaning agent stored in the storage tank flows out through the water pipe and is sprayed onto the surface of the cleaning rod, ensuring that the cleaning rod can significantly improve visibility and color reproduction when cleaning the display screen, reduce reflections and blur, and thus improve the viewing experience.

[0016] (3) The invention drives the display to move together with the flap, ensuring that the display can be smoothly and safely transferred to the next link during the transportation process, reducing physical damage to the display and the risk of breakage. The flap contacts the block when it moves and starts to rotate and tilt, ensuring that the display can slide off the flap to reduce direct contact with other objects, preventing the display from colliding and scratching the next display due to failure to move in time. The buffer plate is driven to move by the movement of the rod, and the movement of the buffer plate limits the sliding area of ​​the display, ensuring that the display slides from the flap to a safe area, effectively reducing the risk of accidental collision and impact, and preventing the display from sliding into a dangerous area and colliding and causing damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 It is a schematic cross-sectional view of the cleaning device and the buffer device structure of the present invention; Figure 4 It is a schematic cross-sectional view of the structure of the bulldozer device of the present invention; Figure 5 It is a schematic cross-sectional view of the structure of gear 1 and gear 2 of the present invention; Figure 6 It is a schematic cross-sectional view of the structure of the cleaning device of the present invention; Figure 7 It is a cross-sectional schematic diagram of the valve and swivel structure of the present invention; Figure 8It is a schematic cross-sectional view of the structure of the buffer device of the present invention.

[0018] In the figure: 1, machine body; 2, support foot; 3, detection equipment; 4, conveyor wheel; 5, motor; 6, transmission belt; 7, gear 1; 8, rotating column; 9, gear 2; 10, cylinder; 11, collar; 12, sliding rod; 13, push plate; 14, sliding column; 15, baffle; 16, baffle rod; 171, push rod 1; 172, support frame; 173, elastic telescopic rod; 174, cleaning rod; 175, inclined block 1; 176, storage tank; 1 77. water pipe; 178. valve; 179. swivel; 1710. bump; 1711. rotating rod 1; 1712. belt 1; 1713. push block 1; 1714. push block 2; 181. push rod 2; 182. inclined rod; 183. slide plate; 184. inclined block 2; 185. flap; 186. stopper; 187. rotating rod 2; 188. belt 2; 189. fixed rod; 1810. buffer plate; 1811. connecting rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 8 , one embodiment of the present invention is: a high-precision AOI online detection integrated device for a liquid crystal display screen includes a body 1, a support foot 2 is fixedly installed at the bottom of the body 1, a detection device 3 is fixedly installed at the top of the inner wall of the body 1, a conveying wheel 4 is rotatably installed at the bottom of the inner wall of the body 1, a motor 5 is fixedly installed at the bottom of the inner wall of the body 1, a conveying wheel 4 is fixedly installed at the output end of the motor 5, the conveying wheel 4 is connected by a transmission belt 6, and a flattening device is provided at the bottom of the inner wall of the body 1; Wherein, the pushing device comprises gear 1 7, rotating column 8, gear 2 9, cylinder 10, collar 11, sliding rod 12, push plate 13, sliding column 14, baffle 15 and baffle rod 16. Gear 1 7 is fixedly mounted on the end of conveying wheel 4 close to motor 5. Rotating column 8 is rotatably mounted on the bottom of the inner wall of body 1. Gear 2 9 is fixedly mounted on the circumferential surface of rotating column 8. Cylinder 10 is fixedly mounted on the top of rotating column 8. Collar 11 is slidably mounted on the top of rotating column 8. Sliding rod 12 is fixedly mounted on the right side of collar 11. Push plate 13 is fixedly mounted on the end of sliding rod 12 away from collar 11. Sliding column 14 slides through pushing plate 13. Baffle 15 is fixedly mounted on the end of sliding column 14 away from pushing plate 13. Baffle rod 16 is fixedly mounted on the back of pushing plate 13. Pushing plate 13 is pushed to start moving by sliding of sliding rod 12. The movement of pushing plates 13 at both ends will push the display screen on conveying wheel 4, so that the display screen is located in the middle position of conveying wheel 4, ensuring that the measuring instrument is within the optimal measuring range, thereby improving the accuracy and consistency of measurement and improving the overall efficiency of detection.

[0021] Gear 1 7 is meshed with gear 2 9, and a spring 1 is provided between the push plate 13 and the baffle 15. The meshing of gear 1 7 and gear 2 9 ensures that gear 1 7 can drive gear 2 9 to rotate together when rotating, and the provision of spring 1 ensures that the baffle 15 can achieve self-reset.

[0022] When the present embodiment is working, when the display screen reaches the top of the conveying wheel 4 inside the machine body 1, the motor 5 is started, so that the motor 5 drives the conveying wheel 4 to start rotating, the conveying wheel 4 rotates and drives the other conveying wheels 4 to start rotating through the transmission belt 6, the conveying wheel 4 rotates and drives the gear 1 7 to start rotating, the gear 1 7 rotates and drives the gear 2 9 to start rotating, the gear 2 9 rotates and drives the rotating column 8 to start rotating, the rotating column 8 rotates and drives the cylinder 10 to start rotating, the cylinder 10 rotates and drives the ring 11 to start sliding, the sliding of the ring 11 drives the sliding rod 12 to start sliding, the sliding of the sliding rod 12 drives the push plate 13 to start moving, the push plates 13 at both ends move to push the display screen located on the conveying wheel 4, so that the display screen is located in the middle of the conveying wheel 4 position, ensuring that the measuring instrument is within the optimal measuring range, thereby improving the accuracy and consistency of measurement and improving the overall efficiency of detection; when the push plate 13 moves, it drives the sliding column 14 to start moving, and the movement of the sliding column 14 drives the baffle 15 to start moving. When the baffle 15 moves, if the display is in a tilted state, the baffle 15 pushes the sliding column 14 in the opposite direction, and the push plate 13 drives the baffle rod 16 to start moving. The baffle rod 16 moves to block a corner of the display, so that the display adjusts its state during transportation, ensuring that the display can be quickly moved to the required position, saving manual adjustment time, improving the overall efficiency of detection, and preventing the display from being in a position or state that the detection device 3 cannot detect, resulting in detection failure.

[0023] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, a cleaning device is provided at the bottom of the inner wall of the body 1, and a buffer device is provided at the bottom of the inner wall of the body 1. The cleaning device comprises a push rod 171, a support frame 172, an elastic telescopic rod 173, a cleaning rod 174 and an inclined plane block 175. The push rod 171 is fixedly mounted on the top of the sliding rod 12, the support frame 172 is fixedly mounted on the bottom of the inner wall of the body 1, the elastic telescopic rod 173 is fixedly mounted on the bottom of the support frame 172, the cleaning rod 174 is fixedly mounted on the movable end of the elastic telescopic rod 173, and the inclined plane block 175 is fixedly mounted on the front of the cleaning rod 174. The cleaning rod 174 starts to move when the inclined plane block 175 moves. The cleaning rod 174 moves to contact the display on the conveying wheel 4, ensuring that dust, fingerprints, oil stains and other impurities on the surface of the display can be effectively removed, so that the display is kept clean and the image is clearly visible.

[0024] The cleaning device also includes a storage tank 176, a water pipe 177, a valve 178, a swivel 179, a protrusion 1710, two rotating rods 1711, a belt 1712, two push blocks 1713 and a push block 2 1714, the storage tank 176 is fixedly mounted on the top of the support frame 172, the water pipe 177 is fixedly mounted on the bottom of the storage tank 176, the valve 178 is fixedly mounted on the circumferential surface of the water pipe 177, the swivel 179 is fixedly mounted on the control end of the valve 178, and the protrusion 1710 is fixedly mounted on the circumferential surface of the swivel 179. , two rotating rods 1711 are connected through a belt 1712, two push blocks 1713 are fixedly installed on the back of belt 1712, and push block 2 1714 is fixedly installed on the front of belt 1712. The valve 178 is opened by rotating the swivel 179, so that the cleaning agent stored in the storage tank 176 flows out through the water pipe 177 and is sprayed on the surface of the cleaning rod 174, ensuring that the cleaning rod 174 can significantly improve the visibility and color reproduction when cleaning the display screen, reduce reflection and blur, and thus improve the viewing experience.

[0025] The contacting surface of the push rod 171 and the inclined surface block 175 is set as an inclined surface, and a spring 2 is arranged between the push block 1713 and the valve 178. The inclined surface is arranged to ensure that the push rod 171 can smoothly push the inclined surface block 175, and the spring 2 is arranged to ensure that the push block 1713 can achieve self-reset.

[0026] The buffer device includes a push rod 181, a sloped rod 182, a slide plate 183, two sloped blocks 184, a flap 185 and a stopper 186. The push rod 181 is fixedly installed on the back of the cleaning rod 174, the sloped rod 182 is slidably installed on the bottom of the inner wall of the body 1, the slide plate 183 is slidably installed on the bottom of the inner wall of the body 1, the two sloped blocks 184 are fixedly installed on the top of the slide plate 183, the flap 185 is rotatably installed between the two sloped blocks 184, and the stopper 186 is fixedly installed on the bottom of the inner wall of the body 1. The display is moved together with the movement of the flap 185 to ensure that the display can be smoothly and safely transferred to the next link during the transportation process, reducing physical damage to the display and reducing the risk of breakage.

[0027] The buffer device also includes two rotating rods 187, a belt 188, a fixed rod 189, a buffer plate 1810 and a connecting rod 1811. The two rotating rods 187 are rotatably installed at the bottom of the inner wall of the body 1, and the two rotating rods 187 are connected through the belt 188. One end of the fixed rod 189 is fixedly installed on the back of the slide plate 183, and the other end of the fixed rod 189 is fixedly installed on the front of the belt 188. The buffer plate 1810 is slidably installed at the bottom of the inner wall of the body 1, one end of the connecting rod 1811 is fixedly installed on the back of the belt 188, and the other end of the connecting rod 1811 is fixedly installed on the left side of the buffer plate 1810. The movement of the rod 1811 drives the buffer plate 1810 to start moving. The movement of the buffer plate 1810 limits the sliding area of ​​the display, ensuring that the display slides from the flip plate 185 to the safe area, effectively reducing the risk of accidental collision and impact, and preventing the display from sliding to the dangerous area and colliding and causing damage.

[0028] The side where the push rod 181 contacts the inclined plane rod 182 is set as an inclined plane, the side where the inclined plane rod 182 contacts the inclined plane block 184 is set as an inclined plane, and a spring 3 is set between the slide plate 183 and the bottom of the inner wall of the body 1. The inclined plane is set to ensure that the push rod 181 can smoothly push the inclined plane rod 182, the inclined plane is set to ensure that the inclined plane rod 182 can smoothly push the inclined plane block 184, and the spring 3 is set to ensure that the slide plate 183 can achieve self-reset.

[0029] When the present embodiment is working, the sliding rod 12 slides and the push rod 171 starts to move, the push rod 171 moves and pushes the inclined surface block 175 to start to move, the inclined surface block 175 moves and drives the cleaning rod 174 to start to move, the cleaning rod 174 moves and contacts the display on the conveying wheel 4, ensuring that dust, fingerprints, oil and other impurities on the display surface can be effectively removed, so that the display is kept clean and the image is clearly visible; when the cleaning rod 174 moves, it will push the push block 2 1714 to start to move, and the push block 2 1714 moves and drives the belt 1712 to start Belt 1712 rotates around two rotating rods 1711, and the push block 1713 starts to move. The push block 1713 moves and drives the protrusion 1710 to move. The protrusion 1710 moves and drives the rotating ring 179 to rotate. The rotating ring 179 rotates to open the valve 178, so that the cleaning agent stored in the storage tank 176 flows out through the water pipe 177 and sprays on the surface of the cleaning rod 174, ensuring that the cleaning rod 174 can significantly improve the visibility and color reproduction when cleaning the display screen, reduce reflection and blur, and thus improve the viewing experience, especially in bright environments.

[0030] When the display moves to the top of the flap 185, the cleaning rod 174 moves and the push rod 181 starts to move. The push rod 181 starts to move and pushes the inclined rod 182 to move. The inclined rod 182 moves and pushes the inclined block 184 to move. The inclined block 184 moves and drives the slide plate 183 to move. The slide plate 183 moves and drives the flap 185 to move. The flap 185 moves and drives the display to move together, ensuring that the display can be smoothly and safely transferred to the next link during the transportation process, reducing physical damage to the display and the risk of breakage. When the flap 185 moves, it contacts the block 186 and starts to rotate and tilt to ensure that the display It can slide down from the flap 185 to reduce direct contact with other objects, and prevent the display from failing to move in time and colliding with and scratching the next display; when the slide plate 183 moves, it drives the fixed rod 189 to start moving, and the movement of the fixed rod 189 drives the belt 188 to start rotating around the two rotating rods 187, and the rotation of the belt 188 drives the connecting rod 1811 to start moving, and the movement of the connecting rod 1811 drives the buffer plate 1810 to start moving, and the movement of the buffer plate 1810 limits the sliding area of ​​the display, ensuring that the display slides from the flap 185 to the safe area, effectively reducing the risk of accidental collision and impact, and preventing the display from sliding to the dangerous area and colliding and causing damage.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision AOI online inspection integrated device for a liquid crystal display screen, comprising a body (1), characterized in that: A support foot (2) is fixedly mounted on the bottom of the machine body (1), a detection device (3) is fixedly mounted on the top of the inner wall of the machine body (1), a conveying wheel (4) is rotatably mounted on the bottom of the inner wall of the machine body (1), a motor (5) is fixedly mounted on the bottom of the inner wall of the machine body (1), a conveying wheel (4) is fixedly mounted on the output end of the motor (5), the conveying wheel (4) is connected to the bottom of the inner wall of the machine body (1) by a transmission belt (6), a flattening device is arranged on the bottom of the inner wall of the machine body (1), a cleaning device is arranged on the bottom of the inner wall of the machine body (1), and a buffer device is arranged on the bottom of the inner wall of the machine body (1); The push-flattening device comprises a gear 1 (7), a rotating column (8), a gear 2 (9), a cylinder (10), a collar (11), a sliding rod (12), a push plate (13), a sliding column (14), a baffle (15) and a baffle rod (16), wherein the gear 1 (7) is fixedly mounted on one end of the conveying wheel (4) close to the motor (5), the rotating column (8) is rotatably mounted on the bottom of the inner wall of the machine body (1), the gear 2 (9) is fixedly mounted on the circumferential surface of the rotating column (8), and the cylinder (10 ) is fixedly mounted on the top of the rotating column (8), the collar (11) is slidably mounted on the top of the rotating column (8), the sliding rod (12) is fixedly mounted on the right side of the collar (11), the push plate (13) is fixedly mounted on the end of the sliding rod (12) away from the collar (11), the sliding column (14) slides through the push plate (13), the baffle (15) is fixedly mounted on the end of the sliding column (14) away from the push plate (13), and the baffle (16) is fixedly mounted on the back of the push plate (13).

2. According to claim 1, a high-precision AOI online detection integrated device for liquid crystal display screens is characterized by: The gear one (7) is meshed with the gear two (9), and a spring one is provided between the push plate (13) and the baffle plate (15).

3. The high-precision AOI online detection integrated device for liquid crystal display screens according to claim 2, characterized in that: The cleaning device comprises a push rod (171), a support frame (172), an elastic telescopic rod (173), a cleaning rod (174) and an inclined surface block (175), wherein the push rod (171) is fixedly mounted on the top of the sliding rod (12), the support frame (172) is fixedly mounted on the bottom of the inner wall of the machine body (1), the elastic telescopic rod (173) is fixedly mounted on the bottom of the support frame (172), the cleaning rod (174) is fixedly mounted on the movable end of the elastic telescopic rod (173), and the inclined surface block (175) is fixedly mounted on the front of the cleaning rod (174).

4. The high-precision AOI online detection integrated device for liquid crystal display screens according to claim 3, characterized in that: The cleaning device further comprises a storage tank (176), a water pipe (177), a valve (178), a rotating ring (179), a protrusion (1710), two rotating rods (1711), a belt (1712), two push blocks (1713) and two push blocks (1714), wherein the storage tank (176) is fixedly mounted on the top of the support frame (172), the water pipe (177) is fixedly mounted on the bottom of the storage tank (176), and the valve (178) is fixedly mounted on the bottom of the storage tank (176). The swivel (179) is fixedly mounted on the circumferential surface of the water pipe (177); the swivel (179) is fixedly mounted on the control end of the valve (178); the protrusion (1710) is fixedly mounted on the circumferential surface of the swivel (179); the two swivel rods (1711) are connected by a belt (1712); the two push blocks (1713) are fixedly mounted on the back of the belt (1712); and the push block (1714) is fixedly mounted on the front of the belt (1712).

5. The high-precision AOI online inspection integrated device for liquid crystal display screens according to claim 4, characterized in that: A surface where the push rod 1 (171) and the inclined surface block 1 (175) contact each other is set as an inclined surface, and a spring 2 is provided between the push block 1 (1713) and the valve (178).

6. The high-precision AOI online inspection integrated device for liquid crystal display screens according to claim 5, characterized in that: The buffer device comprises a second push rod (181), an inclined rod (182), a slide plate (183), two second inclined blocks (184), a flap (185) and a stopper (186); the second push rod (181) is fixedly mounted on the back of the cleaning rod (174); the inclined rod (182) is slidably mounted on the bottom of the inner wall of the machine body (1); the slide plate (183) is slidably mounted on the bottom of the inner wall of the machine body (1); the two second inclined blocks (184) are fixedly mounted on the top of the slide plate (183); the flap (185) is rotatably mounted between the two second inclined blocks (184); and the stopper (186) is fixedly mounted on the bottom of the inner wall of the machine body (1).

7. The high-precision AOI online inspection integrated device for liquid crystal display screens according to claim 6, characterized in that: The buffer device further comprises two rotating rods (187), a belt (188), a fixed rod (189), a buffer plate (1810) and a connecting rod (1811); the two rotating rods (187) are rotatably mounted on the bottom of the inner wall of the machine body (1); the two rotating rods (187) are connected by transmission via the belt (188); one end of the fixed rod (189) is fixedly mounted on the back of the slide plate (183); the other end of the fixed rod (189) is fixedly mounted on the front of the belt (188); the buffer plate (1810) is slidably mounted on the bottom of the inner wall of the machine body (1); one end of the connecting rod (1811) is fixedly mounted on the back of the belt (188); the other end of the connecting rod (1811) is fixedly mounted on the left side of the buffer plate (1810).

8. The high-precision AOI online inspection integrated device for liquid crystal display screens according to claim 7, characterized in that: The side of the push rod 2 (181) and the inclined rod (182) that contact each other is set as an inclined surface, the side of the inclined rod (182) and the inclined block 2 (184) that contact each other is set as an inclined surface, and a spring 3 is provided between the slide plate (183) and the bottom of the inner wall of the machine body (1).

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