Display panel maintenance device

Abstract

The utility model relates to a kind of display panel overhauling device, including conveying line, buffer mechanism and transfer mechanism, conveying line is used to convey fixture, display panel is placed on fixture, conveying line is sequentially spaced apart with transfer station along first direction, transfer mechanism can transfer fixture on transfer station to buffer mechanism one by one, buffer mechanism can buffer multiple fixtures arranged along vertical direction, along vertical direction, the display panel on the fixture in lower of adjacent two fixtures is spaced apart with the fixture in upper side.This display panel overhauling device sets buffer mechanism and transfer mechanism on conveying line, so that transfer mechanism can transfer display panel on conveying line to buffer mechanism for temporary storage, avoid the problem that display panel is accumulated on conveying line to cause blockage and affect display panel overhauling device upstream process downtime waiting, ensure the operation stability of display panel overhauling device upstream equipment.

Description

Technical Field

[0001] This utility model relates to the field of display device manufacturing technology, and in particular to a display panel repair device. Background Technology

[0002] During the display panel manufacturing process, after each pattern layer is processed, the circuitry within that pattern layer needs to be inspected and repaired to promptly identify and resolve defects such as short circuits and open circuits. (Refer to...) Figure 1 As shown, the display panel 1′ is conveyed via the conveyor line 2′. Multiple maintenance stations 21′ are set at the end of the conveyor line 2′ so that operators can stand at the maintenance stations 21′ to perform maintenance work on the display panel 1′ on the conveyor line 2′.

[0003] The existing rework method has the following shortcomings: when the repair speed of the operators is less than the rate at which defective products of display panel 1′ are produced, display panel 1′ will accumulate on the conveyor line 2′ and cause blockage, which will cause the process before the repair of display panel 1′ to be stopped and wait, affecting the production efficiency of display panel 1′. Utility Model Content

[0004] The purpose of this invention is to provide a display panel repair device with a simple structure. Its buffer mechanism can temporarily store display panels on the conveyor line, thus solving the problem of upstream processes of the display panel repair device being shut down due to the accumulation of display panels on the conveyor line.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A display panel maintenance device is provided, comprising a conveyor line, a buffer mechanism, and a transfer mechanism. The conveyor line is used to convey fixtures along a first direction, on which display panels are placed. The conveyor line is provided with transfer stations, buffer stations, and maintenance stations spaced apart sequentially along the first direction. The maintenance station is used by operators to inspect the display panels. The buffer mechanism is disposed at the buffer station. The transfer mechanism is disposed on one side of the conveyor line. The transfer mechanism is capable of transferring the fixtures on the transfer station one by one to the buffer mechanism. The buffer mechanism can buffer multiple fixtures arranged vertically. Along the vertical direction, the display panels on the lower fixture of two adjacent fixtures are spaced apart from those on the upper fixture. The first direction is perpendicular to the vertical direction.

[0007] As a preferred embodiment of the display panel maintenance device, a plurality of fixtures in the buffer mechanism are stacked in the vertical direction. A clearance groove is provided on the bottom side of the fixture corresponding to the position of the display panel. The display panel on the lower fixture of two adjacent fixtures is at least partially inserted into the clearance groove of the upper fixture, and the display panel is spaced apart from the bottom and wall of the clearance groove.

[0008] As a preferred embodiment of the display panel repair device, one side of two adjacent fixtures is provided with a positioning part protruding from one side and a positioning groove is provided with a recess on the other side, and the positioning part is inserted into the positioning groove.

[0009] As a preferred embodiment of the display panel maintenance device, the top side of the fixture is provided with a mounting groove, the display panel is placed in the mounting groove, and part of the display panel is exposed in the mounting groove.

[0010] As a preferred embodiment of the display panel maintenance device, the opening of the mounting slot gradually increases in size from the bottom of the slot towards the opening; and / or,

[0011] The opening of the positioning groove gradually increases from the bottom of the groove towards the opening.

[0012] As a preferred embodiment of the display panel maintenance device, the buffer mechanism includes a first bracket, a first driving member, and a support plate. The first bracket is spaced apart above the conveyor line along the vertical direction. The first driving member is disposed on the first bracket. The support plate is disposed on the driving end of the first driving member. At least two placement areas are spaced apart along a second direction on the support plate. Multiple fixtures can be stacked in each placement area. The buffer mechanism includes a loading position. The transfer mechanism can move the fixture to the placement area of ​​the loading position. The first driving member can drive the support plate to move along the second direction, so that one of the placement areas on the support plate is located at the loading position. The second direction is perpendicular to the first direction and the vertical direction, respectively.

[0013] As a preferred embodiment of the display panel maintenance device, the cache mechanism further includes at least two limiting components. Each placement area is provided with one limiting component. The limiting component includes two first limiting blocks spaced apart along the first direction and two second limiting blocks spaced apart along the second direction. The two first limiting blocks and the two second limiting blocks enclose a limiting groove, and the fixture is placed in the limiting groove.

[0014] As a preferred embodiment of the display panel maintenance device, the two first limiting blocks can be moved closer to or further away from each other along the first direction and can be selectively fixed; and / or

[0015] The two second limiting blocks can move closer or further apart along the second direction and be selectively fixed.

[0016] As a preferred embodiment of the display panel maintenance device, the conveyor line includes a mounting frame and two guide plates. The mounting frame is provided with two guide plates spaced apart along the second direction. The fixture is slidably disposed between the two guide plates. The two guide plates can move closer to or further away from each other along the second direction and can be selectively fixed.

[0017] As a preferred embodiment of the display panel maintenance device, the transfer mechanism includes a second bracket, a second driving member, a third driving member, and a transfer member. The second bracket is spaced above the conveyor line. The transfer member is disposed at the driving end of the third driving member. The third driving member can drive the transfer member to move along the vertical direction. The third driving member is disposed at the driving end of the second driving member. The second driving member is disposed on the second bracket. The second driving member can drive the third driving member and the transfer member to move along the first direction.

[0018] The transfer component includes a fourth driving member and two clamping blocks spaced apart on the fourth driving member. The fourth driving member can drive the two clamping blocks to move closer or further apart to clamp or release the fixture; or,

[0019] The transfer component includes a suction cup with multiple suction nozzles spaced apart on it, the suction nozzles being able to attract or release the fixture.

[0020] The advantages of this utility model compared to the prior art are:

[0021] This utility model discloses a display panel repair device. By setting up a buffer mechanism and a transfer mechanism on the conveyor line, the transfer mechanism can temporarily transfer display panels from the conveyor line to the buffer mechanism for storage. This avoids the problem of display panels accumulating on the conveyor line and causing blockages when the repair speed of the operators at the repair station is slower than the rate of defective products, thus preventing downtime in upstream processes and ensuring the stable operation of upstream equipment. The buffer mechanism stores display panels vertically, effectively utilizing vertical space, improving the overall space utilization of the equipment, and reducing the occupation of the production area. At the same time, the use of fixtures to support the display panels reduces frictional wear between the display panels and the conveyor line. Furthermore, the spacing between the display panels on the fixtures in the buffer mechanism and the fixtures above them prevents collisions between adjacent fixtures and damage to the display panels, ensuring the production quality of the display panels. Attached Figure Description

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of a display panel repair device in the prior art.

[0024] Figure 2 This is a schematic diagram of the structure of the display panel repair device according to an embodiment of the present utility model.

[0025] Figure 3 This is a schematic diagram of the caching mechanism according to an embodiment of the present invention.

[0026] Figure 4 This is a schematic diagram of the fixture according to an embodiment of the present utility model.

[0027] Figure 5 This is a schematic diagram of the structure of the transfer component according to an embodiment of the present utility model.

[0028] Figure 1 middle:

[0029] 1′ Display panel; 2′ Conveyor line; 21′ Maintenance station.

[0030] Figures 2 to 5 middle:

[0031] 100. Display panel;

[0032] 1. Conveyor line; 11. Transfer station; 12. Buffer station; 13. Maintenance station; 14. Mounting frame; 15. Guide plate; 2. Buffer mechanism; 21. First bracket; 22. First drive component; 23. Support plate; 231. Placement area; 24. Limiting component; 241. First limiting block; 242. Second limiting block; 243. Limiting groove; 3. Transfer mechanism; 31. Second bracket; 32. Second drive component; 33. Third drive component; 34. Transfer component; 341. Fourth drive component; 342. Clamping block; 343. Suction nozzle; 4. Fixture; 41. Clearance groove; 42. Positioning part; 43. Positioning groove; 44. Mounting groove. Detailed Implementation

[0033] The advantages and features of this invention, as well as methods of implementing them, will become apparent from the following detailed description of the embodiments in conjunction with the accompanying drawings. However, this invention is not limited to the embodiments disclosed below, but can be implemented in various different forms. These embodiments are provided merely to complete the disclosure of this invention and to enable those skilled in the art to fully understand its scope, which is defined only by the scope of the claims. The same reference numerals denote the same constituent elements throughout the specification.

[0034] The present invention will now be described in detail with reference to the accompanying drawings.

[0035] like Figure 2 and Figure 3 As shown, this utility model embodiment provides a display panel maintenance device, including a conveyor line 1, a buffer mechanism 2, and a transfer mechanism 3. The conveyor line 1 is used to convey fixtures 4 along a first direction (the first direction is the X direction shown in the figure). A display panel 100 is placed on the fixture 4. The conveyor line 1 is arranged with a transfer station 11, a buffer station 12, and a maintenance station 13 at intervals along the first direction. The maintenance station 13 is used by operators to inspect the display panel 100. The buffer mechanism 2 is arranged at the buffer station 12. The transfer mechanism 3 is arranged on one side of the conveyor line 1. The transfer mechanism 3 can transfer the fixtures 4 on the transfer station 11 one by one to the buffer mechanism 2. The buffer mechanism 2 can buffer multiple fixtures 4 arranged in a vertical direction (the vertical direction is the Z direction shown in the figure). Along the vertical direction, the display panel 100 on the lower fixture 4 of two adjacent fixtures 4 is spaced apart from the upper fixture 4. The first direction is perpendicular to the vertical direction.

[0036] It is understandable that by setting up a buffer mechanism 2 and a transfer mechanism 3 on the conveyor line 1, the transfer mechanism 3 can transfer the display panels 100 on the conveyor line 1 to the buffer mechanism 2 for temporary storage. This avoids the problem of the display panels 100 accumulating on the conveyor line 1 and causing blockage when the maintenance speed of the operators at the maintenance station 13 is slower than the rate of defective product generation, thus affecting the upstream process of the display panel maintenance device and causing downtime. This ensures the stable operation of the upstream equipment of the display panel maintenance device. The buffer mechanism 2 stores the display panels 100 in the vertical direction, which can effectively utilize vertical space, improve the overall space utilization of the equipment, and reduce the occupation of the production area. At the same time, the jig 4 is used to support the display panels 100, reducing the frictional loss between the display panels 100 and the conveyor line 1. In addition, the display panels 100 on the jig 4 in the buffer mechanism 2 are spaced apart from the jig 4 above, avoiding collision damage to the display panels 100 by adjacent jigs 4, thus ensuring the production quality of the display panels 100.

[0037] It is worth noting that the conveyor line 1 is a roller conveyor line 1, and a stop assembly is provided on the rear side of the transfer station 11. The stop assembly can be composed of a cylinder and a stop member set on the drive end of the cylinder. The conveyor line 1 conveys the fixture 4 and the display panel 100 on the fixture 4. When the inspection speed of the operator at the inspection station 13 is less than the defective product generation speed of the display panel 100, the stop assembly on the conveyor line 1 located on the rear side of the transfer station 11 can stop the fixture 4, causing the fixture 4 to stop at the transfer station 11. The transfer mechanism 3 moves the fixture 4 and the display panel 100 on the transfer station 11 to the buffer mechanism 2, and so on, until the inspection speed of the operator is close to the defective product generation speed of the display panel 100. Subsequently, when the operator at the inspection station 13 determines that the inspection speed of the operator is greater than the rate at which defective products are generated, the transfer mechanism 3 places the fixture 4 from the buffer mechanism 2 on the transfer station 11 for flow, or uses the stop component in front of the transfer station 11 to provide adaptive blocking, so as to avoid interference between the fixture 4 transferred by the transfer mechanism 3 from the buffer mechanism 2 and the fixture 4 transported on the transfer station 11 on the conveyor line 1.

[0038] Furthermore, such as Figure 3 and Figure 4 As shown, multiple fixtures 4 are stacked vertically within the buffer mechanism 2. A clearance groove 41 is provided on the bottom side of each fixture 4 corresponding to the position of the display panel 100. At least partially, the display panel 100 on the lower fixture 4 of two adjacent fixtures 4 is inserted into the clearance groove 41 of the upper fixture 4, with the display panel 100 spaced apart from the bottom and walls of the clearance groove 41. Stacking the fixtures 4 within the buffer mechanism 2 improves the vertical space utilization. The clearance groove 41 effectively avoids pressure on the display panel 100 on the lower fixture 4, reducing the squeezing or collision of the upper fixture 4 with the display panel 100 between adjacent fixtures 4. Furthermore, the clearance groove 41 also effectively protects the display panel 100, enhancing its safety during buffering.

[0039] Optionally, a positioning part 42 is protruding from one side of two adjacent fixtures 4, and a positioning groove 43 is recessed on the other side, with the positioning part 42 inserted into the positioning groove 43. In this embodiment, multiple positioning parts 42 are protruding from the top side of the fixture 4, and the positioning parts 42 are adjacent to the corners of the square fixture 4. The positioning groove 43 is formed on the bottom side of the fixture 4. By placing the positioning parts 42 on the top side of the fixture 4, the stability of the transport of the fixture 4 by the conveyor line 1 can be ensured, and the situation of unstable support or interference between the positioning parts 42 and the conveyor line 1 can be reduced. Through the positioning cooperation of the positioning parts 42 and the positioning groove 43, on the one hand, the positioning accuracy of the connection between two adjacent fixtures 4 can be improved, and the situation of offset, tilting or falling of the stacked fixtures 4 can be avoided; on the other hand, the connection stability between the fixtures 4 can also be improved.

[0040] Furthermore, a mounting groove 44 is provided on the top side of the fixture 4, in which the display panel 100 is placed, with a portion of the display panel 100 protruding from the mounting groove 44. The mounting groove 44 enhances the positional accuracy of the display panel 100 on the fixture 4. The partial protrusion of the display panel 100 from the mounting groove 44 facilitates subsequent processes in removing the display panel 100, preventing situations where the groove walls of the mounting groove 44 restrict the removal of the display panel 100.

[0041] Preferably, the opening of the mounting groove 44 gradually increases from the bottom of the groove towards the opening. That is, the groove wall of the mounting groove 44 is inclined from one end near the bottom of the groove towards the one end near the opening and in a direction away from the central axis of the mounting groove 44. The inclined groove wall of the mounting groove 44 effectively guides the placement of the display panel 100, thereby improving the positional accuracy of the display panel 100.

[0042] Of course, the opening of the positioning groove 43 can also gradually increase from the bottom of the groove to the opening. That is, the groove wall of the positioning groove 43 is inclined from the bottom of the groove to the opening and in a direction away from the central axis of the positioning groove 43. The inclined groove wall of the positioning groove 43 guides the positioning part 42 to improve the insertion accuracy between the positioning part 42 and the positioning groove 43.

[0043] In addition to directly stacking the fixtures 4, in other embodiments, the buffer mechanism 2 may also include a placement rack with multiple support plates spaced apart in the vertical direction, and the fixtures 4 are placed one by one on each support plate by the transfer mechanism 3. No further examples will be given here.

[0044] In some embodiments, such as Figure 2 and Figure 3As shown, the buffer mechanism 2 includes a first bracket 21, a first driving member 22, and a support plate 23. The first bracket 21 is arranged vertically above the conveyor line 1 at intervals. The first driving member 22 is arranged on the first bracket 21. The support plate 23 is arranged at the driving end of the first driving member 22. At least two placement areas 231 are arranged on the support plate 23 at intervals along a second direction (the second direction is the Y direction shown in the figure). Multiple fixtures 4 can be stacked in each placement area 231. The buffer mechanism 2 includes a loading position. The transfer mechanism 3 can move the fixtures 4 to the placement area 231 of the loading position. The first driving member 22 can drive the support plate 23 to move along the second direction, so that one of the placement areas 231 on the support plate 23 is located at the loading position. The second direction is perpendicular to the first direction and the vertical direction respectively. By setting multiple placement areas 231 on the support plate 23, after a certain number of jigs 4 are stacked in a placement area 231, the first driving component 22 can be used to switch the drive, so that the transfer mechanism 3 can move the jigs 4 on the conveyor line 1 to the next placement area 231 of the loading position, thereby increasing the capacity of the buffer mechanism 2. With the setting of the buffer mechanism 2, more jigs 4 and display panels 100 on the jigs 4 can be placed in the conveyor line 1 with a limited length, reducing the overall space occupied by the display panel maintenance device.

[0045] Since the fixture 4 and the display panel 100 have a certain weight, especially when multiple are stacked, the first bracket 21 is also provided with a guide rail. The length of the guide rail extends along the second direction, and a slide block is slidably provided on the guide rail. The support plate 23 is provided on the slide block. The cooperation between the slide block and the guide rail improves the support stability of the support plate 23 and prevents the support plate 23 from tilting due to excessive load or breaking at the connection with the first drive member 22.

[0046] Furthermore, the buffer mechanism 2 also includes at least two limiting components 24, with one limiting component 24 corresponding to each placement area 231. Each limiting component 24 includes two first limiting blocks 241 spaced apart along a first direction and two second limiting blocks 242 spaced apart along a second direction. The two first limiting blocks 241 and the two second limiting blocks 242 enclose a limiting groove 243, within which the fixture 4 is placed. By setting the limiting components 24, the positional accuracy of the moving fixture 4 on the support plate 23 can be effectively improved, and the offset of the fixture 4 when the first driving member 22 drives the support plate 23 to move can be avoided.

[0047] Optionally, the two first limiting blocks 241 can be moved closer to or further away from each other along the first direction and selectively fixed. By moving and adjusting the two first limiting blocks 241, the size of the limiting groove 243 along the first direction can be adjusted to accommodate fixtures 4 with different sizes along the first direction, thereby improving the compatibility of the buffer mechanism 2. For example, the first limiting block 241 has a first strip-shaped hole, the length of which extends along the first direction, and the support plate 23 has a first threaded hole. When the first limiting block 241 is adjusted to the correct position, the first bolt passes through the first strip-shaped hole and is screwed into the first threaded hole to fix the first limiting block 241 to the support plate 23.

[0048] Of course, the two second limiting blocks 242 can move closer to or further away from each other along the second direction and be selectively fixed. By moving and adjusting the two second limiting blocks 242, the size of the limiting groove 243 along the second direction can be adjusted to accommodate different fixtures 4 along the second direction, thereby improving the versatility of the buffer mechanism 2. For example, the second limiting block 242 is provided with a second strip-shaped hole, the length of which extends along the second direction. The support plate 23 is provided with a second threaded hole. When the second limiting block 242 is adjusted to the correct position, the second bolt passes through the second strip-shaped hole and is screwed into the second threaded hole to fix the second limiting block 242 to the support plate 23.

[0049] Furthermore, the conveyor line 1 includes a mounting frame 14 and two guide plates 15. The mounting frame 14 has two guide plates 15 spaced apart along a second direction. The fixture 4 is slidably disposed between the two guide plates 15. The two guide plates 15 can move closer to or further away from each other along the second direction and can be selectively fixed. The guide plates 15 effectively improve the guiding performance and smooth movement of the fixture 4 on the conveyor line 1. By adjusting the distance between the two guide plates 15, the conveyor line 1 can accommodate fixtures 4 with different dimensions along the second direction, thus improving its compatibility. Of course, since the fixture 4 is conveyed along a first direction, the conveyor line 1 can directly accommodate fixtures 4 with different dimensions along the first direction without additional adjustment.

[0050] In some embodiments, such as Figure 2 and Figure 5As shown, the transfer mechanism 3 includes a second support 31, a second drive member 32, a third drive member 33, and a transfer member 34. The second support 31 is spaced above the conveyor line 1. The transfer member 34 is located at the drive end of the third drive member 33, which can drive the transfer member 34 to move vertically. The third drive member 33 is located at the drive end of the second drive member 32, which can drive the third drive member 33 and the transfer member 34 to move in a first direction. The transfer member 34 includes a fourth drive member 341 and two clamping blocks 342 spaced apart on the fourth drive member 341. The fourth drive member 341 can drive the two clamping blocks 342 to move closer or further apart to clamp or release the fixture 4. The fixture 4 on the transfer station 11 is clamped by the clamping block 342 driven by the fourth driving member 341. The fixture 4 is then placed above the support plate 23 by the vertical movement of the third driving member 33 and the horizontal movement of the second driving member 32. The fixture 4 is then positioned above the support plate 23 by the downward movement of the third driving member 33, which drives the fourth driving member 341 to move the two clamping blocks 342 away from each other. The structure is simple and easy to operate. Of course, to ensure the stability of the connection between the clamping block 342 and the fixture 4, slots can be opened on opposite sides of the fixture 4, allowing the clamping block 342 to be engaged within the slots.

[0051] In addition, besides using the fourth drive member 341 to drive two clamping blocks 342, the transfer member 34 can also include a suction cup with multiple suction nozzles 343 spaced apart. The suction nozzles 343 can adsorb or release the fixture 4. That is, the suction cup is set at the driving end of the third drive member 33. The third drive member 33 drives the suction cup to move downward, so that the suction nozzles 343 abut against and adsorb the fixture 4 on the transfer station 11. The third drive member 33 moves upward, and the second drive member 32 drives the third drive member 33 to move along the first direction to the loading position. After that, the third drive member 33 drives the suction cup to move downward and releases the suction nozzles 343, so that the fixture 4 and the display panel 100 on the fixture 4 can be placed in the placement area 231. The structure is simple and the operation is convenient. In this embodiment, the first drive member 22, the second drive member 32 and the third drive member 33 can be linear motor modules, which have high movement control accuracy.

[0052] Although embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but can be made in various forms, and those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential characteristics of the present invention. Therefore, it should be understood that the above embodiments are exemplary in all respects and not restrictive.

Claims

1. A display panel maintenance device, characterized in that, The system includes a conveyor line, a buffer mechanism, and a transfer mechanism. The conveyor line is used to transport fixtures along a first direction. A display panel is placed on the fixture. The conveyor line is provided with transfer stations, buffer stations, and inspection stations at intervals along the first direction. The inspection station is used by operators to inspect the display panel. The buffer mechanism is located at the buffer station. The transfer mechanism is located on one side of the conveyor line. The transfer mechanism can transfer the fixtures on the transfer station one by one to the buffer mechanism. The buffer mechanism can buffer multiple fixtures arranged vertically. Along the vertical direction, the display panel on the lower fixture of two adjacent fixtures is spaced apart from the upper fixture. The first direction is perpendicular to the vertical direction.

2. The display panel repair device according to claim 1, characterized in that, The multiple fixtures in the buffer mechanism are stacked in the vertical direction. A clearance groove is provided on the bottom side of the fixture corresponding to the position of the display panel. The display panel on the lower fixture of two adjacent fixtures is at least partially inserted into the clearance groove of the upper fixture, and the display panel is spaced apart from the bottom and wall of the clearance groove.

3. The display panel repair device according to claim 2, characterized in that, One side of two adjacent fixtures has a protruding positioning part, and the other side has a recessed positioning groove. The positioning part is inserted into the positioning groove.

4. The display panel repair device according to claim 3, characterized in that, The fixture has a mounting groove on its top side, the display panel is placed in the mounting groove, and part of the display panel is exposed in the mounting groove.

5. The display panel repair device according to claim 4, characterized in that, The opening of the mounting groove gradually increases in size from the bottom of the groove towards the opening; and / or, The opening of the positioning groove gradually increases from the bottom of the groove towards the opening.

6. The display panel repair device according to any one of claims 1-5, characterized in that, The buffer mechanism includes a first bracket, a first driving member, and a support plate. The first bracket is spaced apart above the conveyor line along the vertical direction. The first driving member is disposed on the first bracket. The support plate is disposed on the driving end of the first driving member. At least two placement areas are spaced apart along a second direction on the support plate. Multiple fixtures can be stacked in each placement area. The buffer mechanism includes a loading position. The transfer mechanism can move the fixture to the placement area of ​​the loading position. The first driving member can drive the support plate to move along the second direction, so that one of the placement areas on the support plate is located at the loading position. The second direction is perpendicular to the first direction and the vertical direction, respectively.

7. The display panel repair device according to claim 6, characterized in that, The buffer mechanism further includes at least two limiting components. Each placement area is provided with one limiting component. The limiting component includes two first limiting blocks spaced apart along the first direction and two second limiting blocks spaced apart along the second direction. The two first limiting blocks and the two second limiting blocks enclose a limiting groove, and the fixture is placed in the limiting groove.

8. The display panel repair device according to claim 7, characterized in that, The two first limiting blocks can move closer or further apart along the first direction and be selectively fixed; and / or, The two second limiting blocks can move closer or further apart along the second direction and be selectively fixed.

9. The display panel repair device according to claim 7, characterized in that, The conveyor line includes a mounting frame and two guide plates. The mounting frame has two guide plates spaced apart along the second direction. The fixture is slidably disposed between the two guide plates. The two guide plates can move closer to or further away from each other along the second direction and can be selectively fixed.

10. The display panel repair device according to any one of claims 1 to 5, characterized in that, The transfer mechanism includes a second support, a second driving member, a third driving member, and a transfer member. The second support is spaced above the conveyor line. The transfer member is disposed at the driving end of the third driving member. The third driving member can drive the transfer member to move along the vertical direction. The third driving member is disposed at the driving end of the second driving member. The second driving member is disposed on the second support. The second driving member can drive the third driving member and the transfer member to move along the first direction. The transfer component includes a fourth driving member and two clamping blocks spaced apart on the fourth driving member. The fourth driving member can drive the two clamping blocks to move closer or further apart to clamp or release the fixture; or, The transfer component includes a suction cup with multiple suction nozzles spaced apart on it, the suction nozzles being able to attract or release the fixture.

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