Liquid crystal display panel repairing equipment

Abstract

The liquid crystal panel repairing equipment comprises a bottom shell, a bearing assembly, a pivoting assembly and a power assembly, a door frame is movably arranged on the bottom shell, an industrial camera is installed on the door frame, the door frame is provided with a laser machining module through a shifting assembly, and the bearing assembly comprises a frame plate located above an inner cavity of the bottom shell and a bearing plate in sliding connection with the frame plate; the bearing plate is used for placing a liquid crystal panel, the upper end face of the bearing plate is provided with a plurality of contact parts capable of lifting the liquid crystal panel, the pivoting assembly is used for driving the liquid crystal panel to intermittently pivot to be shot and recorded by the industrial camera, the pivoting assembly comprises a shaft rod rotationally arranged in an inner cavity of the bottom shell, and the power assembly is used for driving the door frame to longitudinally move on the bottom shell; when the liquid crystal panel is taken and placed, the bearing plate is pulled out along the frame plate, taking and placing operation is not blocked, operation is convenient and fast, the situation that the liquid crystal panel collides due to taking and placing is effectively avoided, friction is effectively reduced through the arranged balls, and the problem that the liquid crystal panel is scratched in the moving process is also avoided.

Description

Technical Field

[0001] The present invention relates to the field of liquid crystal display technology, in particular to a liquid crystal panel repair device. Background Art

[0002] Liquid crystal panel is the material that determines the brightness, contrast, color and viewing angle of liquid crystal display. The price trend of liquid crystal panel directly affects the price of liquid crystal display. The quality and technology of liquid crystal panel are related to the overall performance of liquid crystal display. At the same time, liquid crystal panel has many advantages such as thin body, power saving and no radiation, and has been widely used.

[0003] LCD TVs, monitors, and notebooks of various sizes have entered thousands of households. In the process of manufacturing LCD screens of LCD panels, bright spots, dark spots, bright lines, and other technical defects often appear on some screens. Currently, it is inconvenient to place the LCD panel on a repair platform, and the LCD panel needs to be moved for continuous and evenly spaced shooting and detection. The overall shooting time is lengthy, resulting in problems such as exposure and unclear images. Based on this, the present invention proposes a liquid crystal panel repair device that can solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a liquid crystal panel repair device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a liquid crystal panel repair device, comprising:

[0006] A bottom shell, on which a gantry is movably arranged, an industrial camera is mounted on the gantry, and the gantry is equipped with a laser processing module through a shifting assembly;

[0007] A bearing assembly, comprising a frame plate located above the inner cavity of the bottom shell and a support plate slidably connected to the frame plate, wherein the support plate is used to place the liquid crystal panel, and a plurality of contact portions capable of supporting the liquid crystal panel are arranged on the upper surface of the support plate;

[0008] A pivot assembly, used for driving the liquid crystal panel to intermittently pivot to be photographed and recorded by the industrial camera, the pivot assembly comprising a shaft rod rotatably arranged in the inner cavity of the bottom shell, a telescopic column is arranged on the top of the shaft rod, and the telescopic column is connected to the frame plate;

[0009] A power assembly is used to drive the door frame to move longitudinally on the bottom shell.

[0010] As a preferred technical solution, the contact portion includes a sleeve and a spring connected to the support plate, the sleeve covers the spring, the top of the spring is connected to a seat body, a ball that can extend out of the inner cavity of the sleeve is provided on the seat body, a bushing is provided on the inner wall of the sleeve, and a sealing ring that can contact the bushing is provided on the seat body.

[0011] As a preferred technical solution, the support plate has a clamping cavity, the inner cavity of the sleeve is connected to the clamping cavity, a suction source is installed on the support plate, and an air pipe connected to the clamping cavity is provided at the inlet end of the suction source. The suction source generates negative pressure in the inner cavity of the sleeve through the air pipe, driving the seat body to move downward, so that the liquid crystal panel is pressed downward against the ring edge and is pressed by atmospheric pressure.

[0012] As a preferred technical solution, the shifting assembly includes a shifting block connected to the laser processing module, a first rotation source installed on the gantry, and a chain arranged on the gantry. The shifting block is slidingly connected to the gantry and connected to the chain. The first rotation source is transmission-connected to the chain group, which can drive the laser processing module to move laterally on the gantry.

[0013] As a preferred technical solution, the power assembly includes a screw rod and a guide rod arranged on the bottom shell, and a second rotation source installed on the bottom shell, the screw rod is threaded with a moving seat connected to the door frame, the guide rod is passed through the door frame, and the second rotation source is drivingly connected to the screw rod.

[0014] As a preferred technical solution, an electric control board is arranged on the frame plate, and the electric control board can electromagnetically attract the support plate.

[0015] As a preferred technical solution, the pivot assembly also includes a gear ring fixedly connected to the shaft rod, a straight block slidably connected to the inner wall of the bottom shell, and a main telescopic source installed on the inner wall of the bottom shell, the straight block is provided with an oblique groove, the main telescopic source movable rod is connected to a moving part, and the moving part is provided with an embedded block engaged with the oblique groove; the main telescopic source movable rod is extended, and the moving part drives the straight block upward to lift the frame plate through the embedded block along the oblique groove, the moving part moves to drive the gear ring to rotate and drive the liquid crystal panel to pivot and adjust the position, the main telescopic source movable rod retracts, the moving part moves downward along the oblique groove through the embedded block to reset the frame plate downward, and the moving part moves and resets.

[0016] As a preferred technical solution, an upper ratchet plate is provided at the bottom of the frame plate, and a lower ratchet plate is provided in the inner cavity of the bottom shell. The upper ratchet plate and the lower ratchet plate are interlocked to limit the frame plate. When the frame plate is lifted upward, the upper ratchet plate disengages from the lower ratchet plate.

[0017] As a preferred technical solution, the moving part includes a moving block, the moving block is hinged with a push tooth that can contact the gear ring, and a micro-telescopic source is installed on the moving block, and the micro-telescopic source is used to drive the push tooth to rotate outward or inward.

[0018] A liquid crystal repair method is also provided, which is used in any of the above technical solutions and specifically comprises the following steps:

[0019] S1, pull the carrier plate out along the frame plate, place the LCD panel on the carrier plate and support it with multiple contact parts, move the LCD panel to adjust it to the center position of the carrier plate, and then push the carrier plate along the frame plate to reset it;

[0020] S2, the pivoting assembly intermittently drives the frame plate to rotate, so that the liquid crystal panel placed on the carrier plate follows the intermittent pivoting to adjust the position, and the industrial camera shoots the liquid crystal panel after the adjustment at a fixed position until the liquid crystal panel pivots one circle, and the shooting record of the liquid crystal panel is completed;

[0021] S3. The vertical and horizontal positions of the laser processing module are adjusted by the shifting component and the power component to cover different positions on the liquid crystal panel for defect repair.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] When taking and placing the liquid crystal panel, the carrier plate is pulled out along the frame plate to make the carrier plate leave the vertical space of the bottom shell, so that the taking and placing operation will not be blocked, the operation is convenient, and the collision of the liquid crystal panel due to taking and placing can be effectively avoided;

[0024] The LCD panel is placed on the carrier plate and supported by multiple contact parts. After the initial placement, when the LCD panel is moved to the center of the carrier plate according to its size, the provided balls can effectively reduce friction and avoid scratches during the movement of the LCD panel.

[0025] After the LCD panel is placed, the suction source generates negative pressure in the inner cavity of the sleeve, driving the seat body compression spring to move downward, so that the ball moves downward into the inner cavity of the sleeve, and the LCD panel contacts the sleeve downward until the bushing moves downward with the seat body and a ring gap appears with the sealing ring. The negative pressure force generated by the suction source acts on the LCD panel, and the LCD panel presses downward against the edge of the ring under atmospheric pressure, so that the LCD panel will not deviate from its position when pivoting;

[0026] After each pivoting of the liquid crystal panel, the upper ratchet plate and the lower ratchet plate are locked together to limit the frame plate. During the pivoting process, the frame plate is pushed up by the straight block and the upper ratchet plate is disengaged from the lower ratchet plate, so that the frame plate can rotate smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the structure of the power assembly of the present invention;

[0029] Figure 3 It is a schematic diagram of the structure of the displacement assembly of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the bearing assembly of the present invention;

[0031] Figure 5 It is a schematic diagram of the contact part structure of the present invention;

[0032] Figure 6 A first angle view of the connection relationship between the frame plate and the pivot assembly of the present invention;

[0033] Figure 7 A second angle view of the connection relationship between the frame plate and the pivot assembly of the present invention;

[0034] Figure 8 It is a schematic diagram of the positional relationship between the moving part and the gear ring of the present invention;

[0035] In the figure: 10, bottom shell; 20, door frame; 21, industrial camera; 22, laser processing module; 30, shifting assembly; 31, shifting block; 32, chain; 33, first rotation source; 40, power assembly; 41, screw rod; 411, shifting seat; 42, guide rod; 43, second rotation source; 50, bearing assembly; 51, frame plate; 511, electric control board; 52, bearing plate; 521, clamping cavity; 53, contact part; 53 1. Sleeve; 532. Spring; 533. Seat; 534. Ball; 535. Bushing; 536. Sealing ring; 60. Pivot assembly; 61. Shaft; 62. Telescopic column; 63. Gear ring; 64. Straight block; 641. Bevel groove; 65. Main telescopic source; 66. Moving part; 661. Moving block; 662. Push tooth; 663. Embedded block; 664. Micro telescopic source; 67. Upper ratchet; 68. Lower ratchet. DETAILED DESCRIPTION

[0036] 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.

[0037] See also Figure 1-8 , a liquid crystal panel repair device is provided, which aims to solve the problem that the liquid crystal panel is inconvenient to operate when it is placed on the repair platform, and needs to be moved to continuously and evenly spacedly shoot and detect the liquid crystal panel, the overall shooting time is tedious, and the exposure and image are not clear. The specific embodiments are as follows:

[0038] Embodiment 1

[0039] See also Figure 1A gantry 20 is movably provided on the bottom shell 10, and an industrial camera 21 is installed on the gantry 20. The industrial camera 21 can take pictures of the liquid crystal panel and record the positions of bright spots, dark spots, bright lines, and other technical defects of the liquid crystal panel after searching through analysis software.

[0040] See also Figure 1 A laser processing module 22 is configured on the door frame 20 through a shift component 30. The laser processing module 22 includes a laser generator, an attenuation plate, etc., and can repair defects in the liquid crystal panel by reducing the light transmittance of bright spot pixels through laser. The power component 40 is used to drive the door frame 20 to move longitudinally on the bottom shell 10, that is, the laser processing module 22 can move in the vertical and horizontal directions under the drive of the shift component 30 and the power component 40, effectively covering different positions on the liquid crystal panel for defect repair.

[0041] See also Figure 4 , Figure 5 The bearing assembly 50 includes a frame plate 51 located above the inner cavity of the bottom shell 10 and a support plate 52 slidably connected to the frame plate 51. The support plate 52 is used to place the liquid crystal panel. A plurality of contact portions 53 that can support the liquid crystal panel are arranged on the upper end surface of the support plate 52. A data line for powering the liquid crystal panel is arranged on the support plate 52. The contact portion 53 includes a sleeve 531 and a spring 532 connected to the support plate 52. The sleeve 531 covers the spring 532. The top of the spring 532 is connected to a seat body 533. The seat body 533 is provided with a ball 534 that can extend out of the inner cavity of the sleeve 531.

[0042] When taking and placing the liquid crystal panel, the support plate 52 is pulled out along the frame plate 51, that is, the support plate 52 is moved away from the vertical space of the bottom shell 10, so that the taking and placing operation will not be blocked, the operation is convenient, and the collision of the liquid crystal panel due to taking and placing can be effectively avoided.

[0043] The liquid crystal panel is placed on the support plate 52 and is supported by multiple contact parts 53. After the initial placement, when the liquid crystal panel is moved to adjust to the center position of the support plate 52, the provided ball bearings 534 can effectively reduce friction and avoid scratches during the movement of the liquid crystal panel. After the liquid crystal panel is completed, the support plate 52 is pushed along the frame plate 51 to reset.

[0044] See also Figure 6 , Figure 7 The pivot assembly 60 is used to drive the liquid crystal panel to intermittently pivot to be photographed and recorded by the industrial camera 21. The pivot assembly 60 includes a shaft rod 61 rotatably arranged in the inner cavity of the bottom shell 10. A telescopic column 62 is arranged on the top of the shaft rod 61, and the telescopic column 62 is connected to the frame plate 51.

[0045] The pivot assembly 60 intermittently drives the frame plate 51 to rotate, thereby causing the liquid crystal panel placed on the support plate 52 to follow the intermittent pivot adjustment position, so that the industrial camera 21 shoots the adjusted liquid crystal panel at a fixed position until the liquid crystal panel pivots one circle, and then completes the shooting record of the liquid crystal panel. The angle of each pivot of the liquid crystal panel is consistent, and when the photos taken by the industrial camera 21 are processed by the analysis software, the actual coordinates of the defects found can be recorded according to the pivot angle, so that the industrial camera 21 remains fixed during the shooting process, and the liquid crystal panel is pivoting to adjust its position. The industrial camera 21 does not need to move horizontally or vertically, which effectively shortens the shooting time and avoids the problems of exposure and unclear image due to movement.

[0046] Embodiment 2

[0047] See also Figure 3 The shifting assembly 30 includes a shifting block 31 connected to the laser processing module 22, a first rotating source 33 installed on the gantry 20, and a chain 32 arranged on the gantry 20. The shifting block 31 is slidably connected to the gantry 20, and the shifting block 31 is connected to the chain 32. The first rotating source 33 is transmission-connected with the chain 32 group, which can drive the laser processing module 22 to move laterally on the gantry 20. The first rotating source 33 is preferably a motor body, which can drive the laser processing module 22 to move laterally by driving the chain 32 to operate.

[0048] See also Figure 2 The power assembly 40 includes a screw rod 41 and a guide rod 42 arranged on the bottom shell 10, and a second rotation source 43 installed on the bottom shell 10. A moving seat 411 connected to the gantry 20 is screwed on the screw rod 41, and the guide rod 42 is passed through the gantry 20. The second rotation source 43 is drivingly connected to the screw rod 41. The second rotation source 43 is preferably a motor body. By driving the screw rod 41 to rotate, the moving seat 411 drives the gantry 20 to move longitudinally, thereby driving the laser processing module 22 to move longitudinally. The guide rod 42 guides the movement of the gantry 20.

[0049] An electric control board 511 is provided on the frame plate 51, and the electric control board 511 can electromagnetically attract the supporting plate 52. After the supporting plate 52 is pushed along the frame plate 51 to reset, the electric control board 511 is controlled to generate magnetic attraction to the supporting plate 52, so that the supporting plate 52 is kept in a limited position on the frame plate 51 and will not shift when pivoting.

[0050] Embodiment 3

[0051] See also Figure 5 A bushing 535 is disposed on the inner wall of the sleeve 531 , and a sealing ring 536 that can contact the bushing 535 is disposed on the seat body 533 . The sealing ring 536 contacts the bushing 535 to form a blockage for the inner cavity of the sleeve 531 .

[0052] See also Figure 5The support plate 52 has a clamping cavity 521, and the inner cavity of the sleeve 531 is connected to the clamping cavity 521. A suction source is installed on the support plate 52, and an air pipe connected to the clamping cavity 521 is provided at the inlet end of the suction source. The suction source generates negative pressure in the inner cavity of the sleeve 531 through the air pipe, driving the seat body 533 to move downward, so that the liquid crystal panel is pressed downward against the edge of the ring and is pressed by atmospheric pressure.

[0053] The suction source is preferably a suction pump, which is not shown in the figure. After the LCD panel is placed, the suction source generates negative pressure in the inner cavity of the sleeve 531, which drives the seat body 533 to compress the spring 532 and move downward, so that the ball 534 enters downward into the inner cavity of the sleeve 531, and the LCD panel moves downward to contact the sleeve 531 until the bushing 535 moves downward with the seat body 533 and does not contact the sealing ring 536. The negative pressure force generated by the suction source acts on the LCD panel, so that the LCD panel is pressed downward against the edge of the ring by atmospheric pressure, and the LCD panel will not deviate from its position when it pivots.

[0054] Embodiment 4

[0055] See also Figure 6 , Figure 7 , Figure 8 The pivot assembly 60 also includes a gear ring 63 fixed to the shaft 61, a straight block 64 slidably connected to the inner wall of the bottom shell 10, and a main telescopic source 65 installed on the inner wall of the bottom shell 10. The straight block 64 is provided with an inclined groove 641. The movable rod of the main telescopic source 65 is connected to a moving part 66. The moving part 66 is provided with an embedded block 663 that is engaged with the inclined groove 641. Preferably, a plurality of balls 534 that can contact the frame plate 51 are provided on the top of the straight block 64.

[0056] See also Figure 6 , Figure 7 , Figure 8 An upper ratchet plate 67 is provided at the bottom of the frame plate 51, and a lower ratchet plate 68 is provided in the inner cavity of the bottom shell 10. The upper ratchet plate 67 and the lower ratchet plate 68 are interlocked to form a limit for the frame plate 51. When the frame plate 51 is pushed upward, the upper ratchet plate 67 disengages from the lower ratchet plate 68, and the lower ratchet plate 68 is connected to the inner wall of the bottom shell 10 through a connecting plate. A through hole is opened on the lower ratchet plate 68 for the telescopic column 62 to pass through.

[0057] See also Figure 6 , Figure 7 , Figure 8 The moving part 66 includes a moving block 661, which is hinged with a push tooth 662 that can contact the gear ring 63. A micro telescopic source 664 is installed on the moving block 661, and the micro telescopic source 664 is used to drive the push tooth 662 to rotate outward or inward.

[0058] See also Figure 6 , Figure 7 , Figure 8The main telescopic source 65 and the micro telescopic source 664 are preferably electric cylinder bodies. The movable rod of the main telescopic source 65 extends out, and the moving part 66 moves along the inclined groove 641 through the embedded block 663 to drive the straight block 64 to lift the frame plate 51 upward. The moving part 66 moves to drive the gear ring 63 to rotate and drive the liquid crystal panel to pivot and adjust the position. The movable rod of the main telescopic source 65 retracts, and the moving part 66 moves downward along the inclined groove 641 through the embedded block 663 to reset the frame plate 51 downward, and the moving part 66 moves to reset.

[0059] When the movable rod of the main telescopic source 65 is extended, the micro telescopic source 664 drives the push tooth 662 to rotate outward, and controls the push tooth 662 to contact the gear ring 63. When the movable rod of the main telescopic source 65 is retracted, the micro telescopic source 664 drives the push tooth 662 to rotate inward, and controls the push tooth 662 not to contact the gear ring 63, so that after each pivoting of the liquid crystal panel, the upper ratchet plate 67 and the lower ratchet plate 68 are interlocked to limit the frame plate 51, and during the pivoting process, the frame plate 51 is pushed upward by the straight block 64 and the upper ratchet plate 67 disengages from the lower ratchet plate 68, and the frame plate 51 can rotate smoothly.

[0060] Embodiment 4

[0061] A liquid crystal repair method specifically comprises the following steps:

[0062] S1, pull the carrier plate 52 out along the frame plate 51, place the liquid crystal panel on the carrier plate 52 and hold it up by the multiple contact parts 53, move the liquid crystal panel to adjust it to the center position of the carrier plate 52, and then push the carrier plate 52 along the frame plate 51 to reset it;

[0063] S2, the pivoting assembly 60 intermittently drives the frame plate 51 to rotate, so that the liquid crystal panel placed on the carrier plate 52 follows the intermittent pivoting to adjust the position, and the industrial camera 21 photographs the liquid crystal panel after the adjustment position at a fixed position until the liquid crystal panel pivots one circle, and the photographing and recording of the liquid crystal panel is completed;

[0064] S3. The vertical and horizontal positions of the laser processing module 22 are adjusted by the shifting assembly 30 and the power assembly 40 to cover different positions on the liquid crystal panel for defect repair.

[0065] 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 liquid crystal panel repair device, characterized in that: include: A bottom shell (10) on which a door frame (20) is movably arranged, an industrial camera (21) is installed on the door frame (20), and the door frame (20) is equipped with a laser processing module (22) via a shifting assembly (30); A bearing assembly (50) comprising a frame plate (51) located above the inner cavity of the bottom shell (10) and a support plate (52) slidably connected to the frame plate (51), wherein the support plate (52) is used to place a liquid crystal panel, and a plurality of contact portions (53) capable of supporting the liquid crystal panel are arranged on the upper end surface of the support plate (52); A pivot assembly (60) is used to drive the liquid crystal panel to intermittently pivot so as to be photographed and recorded by the industrial camera (21), wherein the pivot assembly (60) comprises a shaft (61) rotatably arranged in the inner cavity of the bottom shell (10), a telescopic column (62) is arranged on the top of the shaft (61), and the telescopic column (62) is connected to the frame plate (51); A power assembly (40) is used to drive the door frame (20) to move longitudinally on the bottom shell (10).

2. The liquid crystal panel repairing device according to claim 1, characterized in that: The contact portion (53) comprises a sleeve (531) and a spring (532) connected to the support plate (52); the sleeve (531) covers the spring (532); the top of the spring (532) is connected to a seat body (533); a ball (534) is arranged on the seat body (533) and can extend out of the inner cavity of the sleeve (531); a bushing (535) is arranged on the inner wall of the sleeve (531); and a sealing ring (536) is arranged on the seat body (533) and can contact the bushing (535).

3. The liquid crystal panel repairing device according to claim 2, characterized in that: The support plate (52) has a clamping cavity (521), and the inner cavity of the sleeve (531) is connected to the clamping cavity (521). A suction source is installed on the support plate (52), and an air pipe connected to the clamping cavity (521) is provided at the inlet end of the suction source. The suction source generates negative pressure in the inner cavity of the sleeve (531) through the air pipe, driving the seat body (533) to move downward, so that the liquid crystal panel is pressed downward against the ring edge by atmospheric pressure.

4. The liquid crystal panel repairing device according to claim 1, characterized in that: The shifting assembly (30) includes a shifting block (31) connected to the laser processing module (22), a first rotation source (33) installed on the gantry (20), and a chain (32) arranged on the gantry (20); the shifting block (31) is in sliding connection with the gantry (20), and the shifting block (31) is connected to the chain (32); the first rotation source (33) is in transmission connection with the chain (32) group, and can drive the laser processing module (22) to move laterally on the gantry (20).

5. The liquid crystal panel repairing device according to claim 1, characterized in that: The power assembly (40) includes a screw rod (41) and a guide rod (42) arranged on the bottom shell (10), and a second rotation source (43) installed on the bottom shell (10), the screw rod (41) is screwed with a shift seat (411) connected to the door frame (20), the guide rod (42) is passed through the door frame (20), and the second rotation source (43) is drivingly connected to the screw rod (41).

6. The liquid crystal panel repairing device according to claim 1, characterized in that: An electric control board (511) is arranged on the frame plate (51), and the electric control board (511) can attract the support plate (52) by electromagnetic force.

7. The liquid crystal panel repairing device according to claim 1, characterized in that: The pivot assembly (60) further comprises a gear ring (63) fixedly connected to the shaft (61), a straight block (64) slidably connected to the inner wall of the bottom shell (10), and a main telescopic source (65) mounted on the inner wall of the bottom shell (10), wherein the straight block (64) is provided with an inclined groove (641), and the movable rod of the main telescopic source (65) is connected to a moving part (66), and the moving part (66) is provided with an embedded block (663) embedded in the inclined groove (641); the main telescopic source ( The movable rod (65) extends out, the moving part (66) moves along the inclined groove (641) through the insert block (663) to drive the straight block (64) to lift the frame plate (51) upward, the moving part (66) moves to drive the gear ring (63) to rotate and drive the liquid crystal panel to pivot and adjust the position, the movable rod of the main telescopic source (65) retracts, the moving part (66) moves downward along the inclined groove (641) through the insert block (663) to reset the frame plate (51) downward, and the moving part (66) moves to reset.

8. The liquid crystal panel repairing device according to claim 7, characterized in that: An upper ratchet disc (67) is arranged at the bottom of the frame plate (51), and a lower ratchet disc (68) is arranged in the inner cavity of the bottom shell (10). The upper ratchet disc (67) and the lower ratchet disc (68) are interlocked to limit the frame plate (51). When the frame plate (51) is lifted upward, the upper ratchet disc (67) is disengaged from the lower ratchet disc (68).

9. The liquid crystal panel repairing device according to claim 8, characterized in that: The moving part (66) comprises a moving block (661), the moving block (661) being hinged with a push tooth (662) capable of contacting the gear ring (63), and a micro telescopic source (664) being mounted on the moving block (661), the micro telescopic source (664) being used to drive the push tooth (662) to rotate outward or inward.

10. A liquid crystal repair method, used for the liquid crystal repair platform according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, pulling the support plate (52) out along the frame plate (51), placing the liquid crystal panel on the support plate (52) and supported by a plurality of contact parts (53), moving the liquid crystal panel to adjust to the center position of the support plate (52), and then pushing the support plate (52) along the frame plate (51) to reset; S2, the pivoting assembly (60) intermittently drives the frame plate (51) to rotate, so that the liquid crystal panel placed on the support plate (52) follows the intermittent pivoting to adjust the position, and the industrial camera (21) photographs the liquid crystal panel after the position is adjusted at a fixed position until the liquid crystal panel pivots one circle, and the photographing and recording of the liquid crystal panel is completed; S3, adjusting the vertical and horizontal positions of the laser processing module (22) through the shifting component (30) and the power component (40), covering different positions on the liquid crystal panel to perform defect repair.

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