Surface pretreatment device for liquid crystal display screen production
By using the buffer and adsorption devices of the surface pretreatment equipment for LCD production, the problems of inaccurate pressure control and hard particle residue during the polishing process of LCD screens have been solved, achieving uniform polishing and improved surface flatness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-29
- Publication Date
- 2026-03-10
AI Technical Summary
In the existing LCD screen polishing process, the pressure, speed, and time are not precisely controlled, resulting in uneven polishing of the material, with some areas being over-polished or under-polished, affecting the surface smoothness and leaving hard particles that cause scratches.
A surface pretreatment device for LCD screen production was designed, comprising a buffer device, an adsorption device, and a blowing device. The device uses a controller to control a dual-axis motor and a threaded rod to achieve precise positioning of the clamping block and stable adsorption of materials, thereby removing hard particles in a timely manner and avoiding localized stress concentration and scratches.
This process achieves uniform polishing of the LCD screen, avoids localized stress concentration and hard particle scratches, improves polishing quality and surface smoothness, and ensures the smooth progress of subsequent processes.
Smart Images
Figure CN121624959A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of liquid crystal display production, in particular to a surface pretreatment device for liquid crystal display production. BACKGROUND
[0002] As a common display device, liquid crystal display is widely used in electronic products such as TV, computer and mobile phone. In order to meet people's visual experience of high-definition picture quality and the requirement of freely moving liquid crystal display, the manufacturers of liquid crystal display have been continuously researching and developing the thinning process of display screen from various aspects to ensure the definition, lightness and intelligence of liquid crystal display.
[0003] In the existing liquid crystal display polishing process, the pressure, speed and time control are not accurate in manual or semi-automatic polishing, which may cause uneven polishing of the material, resulting in local over-polishing or polishing failure of the material, and poor surface flatness of the polished material, thereby affecting the subsequent process. In view of this, the present application provides a surface pretreatment device for liquid crystal display production. SUMMARY
[0004] In view of the deficiencies of the prior art, the present application provides a surface pretreatment device for liquid crystal display production, which solves the problems raised in the background art.
[0005] To achieve the above purpose, the present application is realized by the following technical scheme: a surface pretreatment device for liquid crystal display production, comprising a polishing table, a controller is fixed on the outer wall of the polishing table, a supporting frame is fixedly connected to the top of the polishing table, a gas cylinder is fixedly connected to the top of the supporting frame, an electric motor is fixedly connected to the output end of the gas cylinder, a transmission shaft is fixedly connected to the output end of the electric motor, a polishing disc is fixedly connected to the bottom of the transmission shaft, a workbench is fixedly connected to the top of the polishing table, a buffer device is arranged at the polishing table to prevent the liquid crystal display from being damaged, and an adsorption device is arranged on the buffer device to prevent the liquid crystal display from shaking. The buffer device includes a dual-axis motor, a threaded rod, a support block, a connecting rod, a sleeve, a clamping block, a compression spring, a moving block, a linkage rod, a compression spring, a limiting plate, a locking block, a limiting spring, and a locking groove. The dual-axis motor is located inside the grinding table. One end of the threaded rod is fixedly connected to the output end of the dual-axis motor, and the other end is rotatably connected to the inner wall of the grinding table. The bottom of the support block is slidably connected to the inner wall of the grinding table, and the threaded rod passes through the support block with a threaded connection at the penetration point. The outer wall of the support block is fitted against the inner wall of the grinding table, and the grinding table limits the position of the support block. The bottom of the connecting rod is fixedly connected to the top of the support block, and the outer wall of the connecting rod is fitted against the slot at the grinding table, and the slot at the grinding table limits the position of the connecting rod. The outer wall of the sleeve is fixedly connected to the outer wall of the connecting rod, and the bottom of the sleeve is slidably connected to the bottom of the grinding table.
[0006] According to the above technical solution, the outer wall of the clamping block is slidably connected to the inner wall of the sleeve, one end of the compression spring is fixedly connected to the inner wall of the sleeve, and the other end is fixedly connected to the outer wall of the clamping block.
[0007] According to the above technical solution, the outer wall of the movable block is slidably connected to the inner wall of the sleeve, and the inner wall of the sleeve limits the movable block. The outer wall of the linkage rod is fixedly connected to the outer wall of the movable block, and the linkage rod passes through the sleeve, with a slidable connection at the penetration point. One end of the compression spring is fixedly connected to the outer wall of the movable block, and the other end is fixedly connected to the inner wall of the sleeve. The outer wall of the limiting plate is fixedly connected to the outer wall of the linkage rod, and the bottom of the limiting plate is slidably connected to the top of the grinding table. At the same time, the outer wall of the limiting plate is attached to the outer wall of the slot on the grinding table, and the slot on the grinding table limits the limiting plate. The locking block is slidably connected to the inner wall of the limiting plate.
[0008] According to the above technical solution, one end of the limiting spring is fixedly connected to the inner wall of the limiting plate, and the other end is fixedly connected to the outer wall of the card block. The card slot is fixedly opened at the slot of the grinding table, and the depth of the card block and the card slot are the same.
[0009] According to the above technical solution, the adsorption device includes a squeezing rod, a sliding block, a moving spring, a connecting plate, a sliding plate, a pull rod, a fixing plate, a suction cup, a pull plate, and an air-gathering cylinder; the outer wall of the squeezing rod is fixedly connected to the outer wall of the sleeve, and the slot on the worktable fits into the outer wall of the squeezing rod, and the squeezing rod is limited by the depth of the slot; the sliding block is slidably connected to the inner wall of the worktable; one end of the moving spring is fixedly connected to the inner wall of the worktable, and the other end is fixedly connected to the bottom of the sliding block, and the sliding block is limited by the inner wall of the worktable.
[0010] According to the above technical solution, the bottom of the connecting plate is fixedly connected to the top of the sliding block, and the outer wall of the connecting plate is attached to the inner wall of the workbench. The outer wall of the fixing plate is fixedly connected to the inner wall of the workbench, and the bottom of the suction cup is fixedly connected to the top of the fixing plate.
[0011] According to the above technical solution, the top of the air-gathering cylinder is fixedly connected to the bottom of the suction cup, and the air-gathering cylinder passes through the fixing plate and is fixedly connected at the penetration point. The bottom of the pull rod is fixedly connected to the top of the sliding plate, the bottom of the pull plate is fixedly connected to the top of the pull rod, and the outer wall of the pull plate is slidably connected to the inner wall of the air-gathering cylinder.
[0012] According to the above technical solution, it also includes measures to prevent solid particles from existing on the liquid crystal display screen and easily causing scratches on the screen surface. The blowing device is set on the polishing table. The blowing device includes a push plate, a connecting rod, a limiting block, an air outlet, and a fixing block. The outer wall of the push plate is slidably connected to the inner wall of the clamping block, and the inner wall of the clamping block limits the push plate. The outer wall of the connecting rod is fixedly connected to the outer wall of the push plate, and the connecting rod passes through the clamping block, the sleeve, and the connecting rod, and is slidably connected at the passage. The outer wall of the limiting block is fixedly connected to the outer wall of the connecting rod, and the connecting rod limits the limiting blocks. The air outlet is opened on the outer wall of the clamping block. The outer wall of the fixing block is fixedly connected to the outer wall of the limiting block, and the bottom of the fixing block is fixedly connected to the top of the worktable.
[0013] This invention provides a surface pretreatment apparatus for liquid crystal display production. It has the following advantages: 1. This invention incorporates a buffer device. A dual-axis motor is activated via a controller, causing the dual-axis motor, threaded rod, support block, connecting rod, sleeve, clamping block, and compression spring to work together. This addresses the issue of improper clamping force control when the clamping block clamps and positions the LCD screen, preventing localized stress concentration and cracking caused by the impact force at the moment of clamping. Simultaneously, the clamping block moves into the sleeve, engaging the moving block, linkage rod, compression spring, limit plate, locking block, and locking spring with the locking groove. This ensures that when the clamping block clamps and positions the material, the locking block precisely enters the locking groove, stopping the sleeve from approaching the material. This solves the problem of the sleeve continuing to move closer to the object after clamping and positioning, resulting in clamping force exceeding the object's tolerance.
[0014] 2. This invention incorporates an adsorption device. When the clamping block clamps the LCD screen, the pressure rod, sliding block, moving spring, connecting plate, sliding plate, pull rod, fixing plate, suction cup, limiting plate, and air-gathering cylinder work together to ensure the clamping block adheres to the LCD screen. Simultaneously, the gas in the suction cup is extracted, allowing the suction cup to firmly hold the LCD screen on the worktable. This solves the problem of uneven grinding pressure caused by uneven material backing during LCD screen polishing, which can lead to dents and scratches.
[0015] 3. The present invention is equipped with a blowing device. When the dual-axis motor is started, the threaded rod drives the support block to move towards the center position. Through the cooperation of the set push plate, connecting rod, limit block air outlet and fixed block, the abrasive particles with excessive size or impurities on the material are collectively blown away from the surface before the material is polished. This solves the problem that hard particles remain on the material, which can easily cause scratches on the screen surface during the polishing process and form irreparable physical damage. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a partial structural diagram of the present invention; Figure 3 This is a schematic diagram of the buffer device structure of the present invention; Figure 4 This is a cross-sectional view of the buffer device of the present invention; Figure 5 This is a partial structural diagram of the buffer device of the present invention; Figure 6 For the present invention Figure 5 A magnified structural diagram at point A; Figure 7 This is a cross-sectional structural diagram of the adsorption device of the present invention; Figure 8 This is a partial structural diagram of the adsorption device of the present invention; Figure 9 For the present invention Figure 8 A magnified structural diagram at point B; Figure 10 This is a schematic diagram of the blowing device of the present invention.
[0017] In the diagram: 1. Grinding table; 2. Controller; 3. Support frame; 4. Cylinder; 5. Motor; 6. Drive shaft; 7. Grinding disc; 8. Worktable; 91. Dual-axis motor; 92. Threaded rod; 93. Support block; 94. Connecting rod one; 95. Sleeve; 96. Clamping block; 97. Compression spring; 101. Moving block; 102. Linkage rod; 103. Compression spring; 104. Limit plate; 105. 106. Locking block; 107. Limiting spring; 118. Locking groove; 119. Pressing rod; 110. Sliding block; 1111. Moving spring; 1112. Connecting plate; 113. Sliding plate; 114. Pull rod; 115. Fixing plate; 116. Suction cup; 117. Pull plate; 118. Air concentrator; 119. Push plate; 120. Connecting rod; 121. Limiting block; 122. Air outlet; 123. Fixing block. Detailed Implementation
[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0019] Please see Figures 1-10 One embodiment of the present invention is: a surface pretreatment device for producing liquid crystal displays, including a grinding table 1, a controller 2 fixed to the outer wall of the grinding table 1, a support frame 3 fixedly connected to the top of the grinding table 1, a cylinder 4 fixedly connected to the top of the support frame 3, a motor 5 fixedly connected to the output end of the cylinder 4, a transmission shaft 6 fixedly connected to the output end of the motor 5, a grinding disc 7 fixedly connected to the bottom of the transmission shaft 6, a worktable 8 fixedly connected to the top of the grinding table 1, and a buffer device for preventing the liquid crystal display from being pinched and damaged at the grinding table 1; The buffer device includes a dual-axis motor 91, a threaded rod 92, a support block 93, a connecting rod 94, a sleeve 95, a clamping block 96, a compression spring 97, a moving block 101, a linkage rod 102, a compression spring 103, a limiting plate 104, a locking block 105, a limiting spring 106, and a locking groove 107. The dual-axis motor 91 is installed inside the grinding table 1. One end of the threaded rod 92 is fixedly connected to the output end of the dual-axis motor 91, and the other end is rotatably connected to the inner wall of the grinding table 1. The bottom of the support block 93 is slidably connected to the inner wall of the grinding table 1, and the threaded rod... Rod 92 passes through support block 93, with a threaded connection at the penetration point. The outer wall of support block 93 fits against the inner wall of grinding table 1, and the grinding table 1 limits the position of support block 93. The bottom of connecting rod 94 is fixedly connected to the top of support block 93, and the outer wall of connecting rod 94 fits against the slot at grinding table 1, and the slot at grinding table 1 limits the position of connecting rod 94. The outer wall of sleeve 95 is fixedly connected to the outer wall of connecting rod 94, and the bottom of sleeve 95 is slidably connected to the bottom of grinding table 1. The outer wall of clamping block 96 is slidably connected to sleeve 95. The inner wall of the sleeve 95 is fixedly connected to the inner wall of the compression spring 97, and the other end is fixedly connected to the outer wall of the clamping block 96. The outer wall of the moving block 101 is slidably connected to the inner wall of the sleeve 95, and the inner wall of the sleeve 95 limits the moving block 101. The outer wall of the linkage rod 102 is fixedly connected to the outer wall of the moving block 101, and the linkage rod 102 passes through the sleeve 95, with a slidable connection at the penetration point. One end of the compression spring 103 is fixedly connected to the outer wall of the moving block 101, and the other end is fixedly connected to the inner wall of the sleeve 95. The outer wall of the limiting plate 104 is fixedly connected to the inner wall of the sleeve 95. The bottom of the limiting plate 104 is slidably connected to the top of the grinding table 1, and the outer wall of the limiting plate 104 is attached to the outer wall of the slot on the grinding table 1. The limiting plate 104 is limited by the slot on the grinding table 1. The locking block 105 is slidably connected to the inner wall of the limiting plate 104. One end of the limiting spring 106 is fixedly connected to the inner wall of the limiting plate 104, and the other end is fixedly connected to the outer wall of the locking block 105. The slot 107 is fixedly opened in the slot of the grinding table 1, and the depth of the locking block 105 and the slot 107 are the same.
[0020] The dual-axis motor 91 is started by the controller 2, so that the dual-axis motor 91, threaded rod 92, support block 93, connecting rod 94, sleeve 95, clamping block 96 and compression spring 97 cooperate with each other. When the clamping block 96 clamps and positions the LCD screen, the impact force of the clamping block 96 at the moment of clamping the LCD screen may cause local stress concentration and cracks. This solves the problem of improper clamping force control of the clamping block 96 on the LCD screen. Simultaneously, the clamping block 96 moves into the sleeve 95, causing the moving block 101, linkage rod 102, compression spring 103, limit plate 104, locking block 105, limit spring 106, and locking groove 107 to cooperate with each other. When the clamping block 96 clamps the material for clamping and positioning, the locking block 105 accurately enters the locking groove 107, stopping the sleeve 95 from approaching the material. This solves the problem that after clamping and positioning the material, the sleeve 95 still moves closer to the object, causing the clamping force to exceed the object's tolerance.
[0021] In this embodiment, during operation: the dual-axis motor 91 is started by the controller 2, causing the dual-axis motor 91 to drive the threaded rods 92 on both sides to rotate. The threaded rods 92 drive the support block 93 to move together towards the center position of the worktable 8, thereby driving the connecting rod 94 to move together towards the center position of the worktable 8. The connecting rod 94 is limited by the slot on the worktable 8, thereby driving the sleeve 95 to move towards the center position of the worktable 8. The sleeve 95 also drives the clamping block 96 to move in the same direction. When the clamping block 96 is in contact with the material, the material... The force generated causes the clamping block 96 to move inward into the sleeve 95. Simultaneously, when the outer wall of the clamping block 96 presses against the inclined surface of the moving block 101, the moving block 101 moves to both sides of the sleeve 95, causing the linkage rod 102 to move to both sides of the sleeve 95 as well. This causes the limiting plate 104 to slide to both sides at the slot on the grinding table 1. When the locking block 105 on the limiting plate 104 is not in contact with the slot on the grinding table 1, the locking block 105 is forced to move inward into the limiting plate 104. When the locking block 105 on the limiting plate 104 is in contact with the slot on the grinding table 1, the locking block 105 moves inward into the limiting plate 104 under the force. When the slots on the grinding table 1 are in contact with each other, the limiting plate 104 drives the locking block 105 into the locking slot 107; when the dual-axis motor 91 drives the threaded rod 92 to rotate in the opposite direction, causing the support block 93 to move and reset to both sides of the grinding table 1, it drives the connecting rod 94 to move and reset to both sides of the grinding table 1, causing the sleeve 95 and the clamping block 96 to reset to both sides. When the clamping block 96 is not in contact with the material, the compression spring 97 in a compressed state generates elastic force to drive the clamping block 96 away from the inner wall of the sleeve 95, so that the clamping block 96 is not in contact with the material. When the moving block 101 is squeezed, the compression spring 103, which is in a compressed state, drives the moving block 101 to move and reset towards the inner wall of the sleeve 95. This causes the linkage rod 102 to move into the sleeve 95 together, allowing the linkage rod 102 to move the limiting plate 104 closer to the sleeve 95. This causes the inclined surface of the locking block 105 to contact the locking groove 107, moving the locking block 105 away from the locking groove 107. As a result, the sleeve 95 and the limiting plate 104 move and reset towards both sides of the grinding table 1, causing the locking block 105 to reset towards both sides of the grinding table 1.
[0022] Please see Figures 1-10Based on the above embodiments, in another embodiment of the present invention, the buffer device is provided with an adsorption device to prevent the liquid crystal display screen from shaking. The adsorption device includes a squeezing rod 111, a sliding block 112, a moving spring 113, a connecting plate 114, a sliding plate 115, a pull rod 116, a fixing plate 117, a suction cup 118, a pull plate 119, and an air-gathering cylinder 1110. The outer wall of the squeezing rod 111 is fixedly connected to the outer wall of the sleeve 95. The slot on the worktable 8 is in contact with the outer wall of the squeezing rod 111, and the squeezing rod 111 is limited by the depth of the slot. The sliding block 112 is slidably connected to the inner wall of the worktable 8. One end of the moving spring 113 is fixedly connected to the inner wall of the worktable 8, and the other end is fixedly connected to the sliding block 112. The bottom of the moving block 112 is fixedly connected to the top of the sliding block 112 by the inner wall of the worktable 8, and the outer wall of the connecting plate 114 is attached to the inner wall of the worktable 8. The outer wall of the fixing plate 117 is fixedly connected to the inner wall of the worktable 8. The bottom of the suction cup 118 is fixedly connected to the top of the fixing plate 117. The top of the air-gathering cylinder 1110 is fixedly connected to the bottom of the suction cup 118, and the air-gathering cylinder 1110 passes through the fixing plate 117 and is fixedly connected at the penetration point. The bottom of the pull rod 116 is fixedly connected to the top of the sliding plate 115. The bottom of the pull plate 119 is fixedly connected to the top of the pull rod 116, and the outer wall of the pull plate 119 is slidably connected to the inner wall of the air-gathering cylinder 1110.
[0023] By cooperating with the compression rod 111, sliding block 112, moving spring 113, connecting plate 114, sliding plate 115, pull rod 116, fixing plate 117, suction cup 118, pull plate 119 and air-gathering cylinder 1110, when the clamping block 96 is attached to the LCD screen, the gas in the suction cup 118 is extracted, so that the suction cup 118 firmly adheres to the LCD screen on the worktable 8. This solves the problem of uneven grinding pressure caused by local suspension during the grinding of the LCD screen, which may result in dents and grinding marks.
[0024] It also includes a blowing device to prevent solid particles from being present on the liquid crystal display screen. The blowing device is set on the polishing table 1 and is prone to causing scratches on the screen surface. The blowing device includes a push plate 121, a connecting rod 122, a limiting block 123, an air outlet 124, and a fixing block 125. The outer wall of the push plate 121 is slidably connected to the inner wall of the clamping block 96 and the inner wall of the clamping block 96 limits the push plate 121. The outer wall of the connecting rod 122 is fixedly connected to the outer wall of the push plate 121 and passes through the clamping block 96, the sleeve 95, and the connecting rod 94, and is slidably connected at the passage. The outer wall of the limiting block 123 is fixedly connected to the outer wall of the connecting rod 122 and the connecting rod 94 limits the limiting block 123. The air outlet 124 is opened on the outer wall of the clamping block 96. The outer wall of the fixing block 125 is fixedly connected to the outer wall of the limiting block 123 and the bottom of the fixing block 125 is fixedly connected to the top of the worktable 8.
[0025] When the dual-axis motor 91 starts, causing the threaded rod 92 to move the support block 93 towards the center position, the coordinated action of the push plate 121, connecting rod 122, limit block 123, air vent 124, and fixing block 125 blows away any abrasive particles that are too large or contain impurities from the material before polishing. This solves the problem of hard particles remaining on the material, which can easily scratch the screen surface during polishing and cause irreparable physical damage. In this embodiment, during operation: when the sleeve 95 moves the clamping block 96 closer to the worktable 8, it also moves the extrusion rod 111 closer to the worktable 8, allowing the extrusion rod 111 to enter the slot of the worktable 8. This causes the extrusion rod 111 to press against the sliding block 112, causing the sliding block 112 to move downwards. This moves the connecting plate 114 downwards, and the extrusion rod 111 limits the connection plate 114. At this time, the connecting plate 114 moves the sliding plate 115 downwards, causing the sliding plate 115 to move the pull rod 116 downwards, and the pull plate 119 downwards. This draws the air in the suction cup 118 into the air-gathering cylinder 1110, causing the suction cup 118 to generate suction. The force firmly holds the material on the worktable 8; when the clamping block 96 moves away from the worktable 8, it drives the extrusion rod 111 to move to both sides of the worktable 8, so that the extrusion rod 111 does not squeeze the sliding block 112, causing the moving spring 113, which is in a compressed state at this time, to generate elastic force to drive the sliding block 112 to move upward and reset, drive the connecting plate 114 to move upward, and drive the sliding plate 115 to move upward together, so that the sliding plate 115 drives the pull rod 116 to move upward, drive the pull plate 119 to move upward and reset, and limit the sliding plate 115 through the bottom of the air-gathering cylinder 1110. At this time, the suction force of the suction cup 118 gradually decreases, making it easier to remove the material.
[0026] When the connecting rod 94 moves the sleeve 95 closer to the worktable 8, the clamping block 96 moves closer to the worktable 8, and the fixing block 125 is fixedly connected to the worktable 8. This indirectly causes the connecting rod 122 to move the push plate 121 inside the clamping block 96 away from the worktable 8. When the clamping block 96 is attached to the material, the clamping block 96 moves into the sleeve 95, causing the push plate 121 to move towards the worktable 8, allowing the gas inside the clamping block 96 to be discharged from the vent hole 124, preventing hard particles from remaining on the material. When the connecting rod 94 moves the sleeve 95 away from the worktable 8, the clamping block 96 moves away from the inside of the sleeve 95, and the connecting rod 94 moves the push plate 121 towards the inner wall of the clamping block 96, moving the push plate 121 away from the vent hole 124. At the same time, the connecting rod 94 is limited by the limiting block 123.
[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A surface pre-treatment device for liquid crystal display panel production, comprising a polishing table (1), characterized in that: The outer wall of the polishing table (1) is fixed with a controller (2), the top of the polishing table (1) is fixedly connected with a support frame (3), the top of the support frame (3) is fixedly connected with a gas cylinder (4), the output end of the gas cylinder (4) is fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with a transmission shaft (6), the bottom of the transmission shaft (6) is fixedly connected with a polishing disc (7), the top of the polishing table (1) is fixedly connected with a workbench (8), the polishing table (1) is provided with a buffer device for preventing the liquid crystal display screen from being clamped, and the buffer device is provided with an adsorption device for preventing the liquid crystal display screen from shaking. Wherein, the buffer device comprises a double-shaft motor (91), a threaded rod (92), a support block (93), a connecting rod one (94), a sleeve (95), a clamping block (96), an extrusion spring (97), a moving block (101), a linkage rod (102), a compression spring (103), a limiting plate (104), a clamping block (105), a limiting spring (106) and a clamping groove (107); the double-shaft motor (91) is arranged in the polishing table (1), one end of the threaded rod (92) is fixedly connected to the output end of the double-shaft motor (91), and the other end is rotatably connected to the inner wall of the polishing table (1), the bottom of the support block (93) is slidably connected to the inner wall of the polishing table (1), and the threaded rod (92) penetrates through the support block (93) and is threadedly connected at the penetrating portion, the bottom of the connecting rod one (94) is fixedly connected to the top of the support block (93), and the outer wall of the sleeve (95) is fixedly connected to the outer wall of the connecting rod one (94), and the bottom of the sleeve (95) is slidably connected to the bottom of the polishing table (1).
2. The surface pretreatment apparatus for producing a liquid crystal display panel according to claim 1, wherein: The outer wall of the clamping block (96) is slidably connected to the inner wall of the sleeve (95), one end of the extrusion spring (97) is fixedly connected to the inner wall of the sleeve (95), and the other end is fixedly connected to the outer wall of the clamping block (96).
3. The apparatus for surface pretreatment of liquid crystal display panel production according to claim 2, characterized in that: The outer wall of the moving block (101) is slidably connected to the inner wall of the sleeve (95), the outer wall of the linkage rod (102) is fixedly connected to the outer wall of the moving block (101), and the linkage rod (102) penetrates through the sleeve (95) and is slidably connected at the penetrating portion, one end of the compression spring (103) is fixedly connected to the outer wall of the moving block (101), and the other end is fixedly connected to the inner wall of the sleeve (95), the outer wall of the limiting plate (104) is fixedly connected to the outer wall of the linkage rod (102), and the bottom of the limiting plate (104) is slidably connected to the top of the polishing table (1), the clamping block (105) is slidably connected to the inner wall of the limiting plate (104).
4. The surface pretreatment apparatus for producing a liquid crystal display panel according to claim 3, wherein: One end of the limiting spring (106) is fixedly connected to the inner wall of the limiting plate (104), and the other end is fixedly connected to the outer wall of the clamping block (105), and the clamping groove (107) is formed in the polishing table (1).
5. The apparatus for surface pretreatment of liquid crystal display panel production according to claim 4, wherein: The adsorption device includes an extrusion rod (111), a sliding block (112), a moving spring (113), a connecting plate (114), a sliding plate (115), a pull rod (116), a fixed plate (117), a suction cup (118), a pull plate (119) and a gas collecting cylinder (1110); the outer wall of the extrusion rod (111) is fixedly connected to the outer wall of the sleeve (95), the sliding block (112) is slidingly connected to the inner wall of the workbench (8), one end of the moving spring (113) is fixedly connected to the inner wall of the workbench (8), and the other end is fixedly connected to the bottom of the sliding block (112).
6. The surface pretreatment apparatus for producing a liquid crystal display panel according to claim 5, wherein: The bottom of the connecting plate (114) is fixedly connected to the top of the sliding block (112), the outer wall of the fixed plate (117) is fixedly connected to the inner wall of the workbench (8), and the bottom of the suction cup (118) is fixedly connected to the top of the fixed plate (117).
7. The apparatus for surface pretreatment of liquid crystal display panel production as claimed in claim 6, wherein: The top of the gas collecting cylinder (1110) is fixedly connected to the bottom of the suction cup (118), the gas collecting cylinder (1110) penetrates the fixed plate (117), and the penetrating portion is fixedly connected, the bottom of the pull rod (116) is fixedly connected to the top of the sliding plate (115), and the bottom of the pull plate (119) is fixedly connected to the top of the pull rod (116).
8. The apparatus for surface pretreatment of liquid crystal display panel production according to claim 7, wherein: It also includes a blowing device for preventing solid particles from existing on the liquid crystal display screen and easily causing scratches on the screen surface, the blowing device is arranged on the polishing table (1), and the blowing device includes a push plate (121), a connecting rod (122), a limiting block (123), an air outlet hole (124) and a fixed block (125); the outer wall of the push plate (121) is slidingly connected to the inner wall of the clamping block (96), the outer wall of the connecting rod (122) is fixedly connected to the outer wall of the push plate (121), and the connecting rod (122) penetrates the clamping block (96), the sleeve (95) and the connecting rod one (94), and the penetrating portion is slidingly connected, the outer wall of the limiting block (123) is fixedly connected to the outer wall of the connecting rod (122), and the outer wall of the limiting block (123) is fixedly connected to the outer wall of the connecting rod one (94), the air outlet hole (124) is arranged in the outer wall of the clamping block (96), and the outer wall of the fixed block (125) is fixedly connected to the outer wall of the limiting block (123), and the bottom of the fixed block (125) is fixedly connected to the top of the workbench (8).