LED laser repair machining jig and device

Abstract

When the LED laser repair machining jig and device are used, a panel to be repaired is placed on a jig plate, negative pressure exists in adsorption holes, the panel to be repaired can be adsorbed on the jig plate, a lifting plate is driven to ascend and descend through a lifting driving assembly, an ejector pin can move up and down relative to the jig plate, and after repair is completed, the ejector pin can move up and down relative to the jig plate. The ejector pin can jack up the to-be-repaired panel adsorbed on the jig plate, so that the to-be-repaired panel is separated from the jig plate. The alignment driving assembly drives the connecting frame to move in the direction close to the jig plate, connection or separation of the clamping part and the clamping notch is achieved, the buffering part is arranged on the clamping part, the buffering effect can be achieved in the butt joint process of the connecting frame and the jig plate, and damage to a to-be-repaired panel on the jig plate is prevented.

Description

Technical Field

[0001] The utility model relates to the field of LED repair, in particular to an LED laser repair processing fixture and device. Background Art

[0002] On the one hand, the accuracy of traditional die bonding equipment for LED chips makes it difficult to improve the die bonding effect (unless the speed is greatly reduced). On the other hand, the traditional reflow oven method also exacerbates the defects in the production process, and the yield of LED panels is difficult to reach 100%. Therefore, it is necessary to perform secondary repair on the completed LED panels. In the prior art, lasers are used to remove defective LED chips and weld new LED chips. During the laser removal process, the panel to be repaired needs to be placed on the fixture board and the fixture board needs to be positioned. The panel to be repaired is thin and fragile, and the fixture board is likely to damage the panel to be repaired during the positioning process. Summary of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an LED laser repair processing fixture and device, which can solve the problem that the existing fixture is likely to damage the panel to be repaired.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows: on the one hand, the utility model provides an LED laser repair processing fixture, including:

[0005] A fixture board, on which adsorption holes are arranged for adsorbing the panel to be repaired;

[0006] A lifting board located below the fixture board, on which ejector pins are arranged, and through holes are also arranged on the fixture board, and the ejector pins pass through the through holes;

[0007] A lifting drive assembly for driving the lifting board to lift and lower;

[0008] A connecting frame, on which a clamping portion is arranged, a buffer member is arranged on the clamping portion, a clamping notch is arranged on one side of the fixture board, and the clamping portion is clamped with the clamping notch;

[0009] A positioning drive assembly for driving the connecting frame to move towards or away from the fixture board so that the clamping portion is clamped with or separated from the clamping notch.

[0010] As a further improvement of the above technical solution, the clamping portion includes a first upright post and a second upright post. A connecting rod is provided on one side of the first upright post facing the second upright post. The buffer member includes a spiral spring, and the spiral spring is sleeved on the connecting rod. The second upright post is provided with a connecting hole, and one end of the connecting rod is clamped with the connecting hole.

[0011] As a further improvement of the above technical solution, it further includes a fixing plate. The fixing plate is located below the lifting plate. The lifting drive assembly includes a lifting cylinder and a guide shaft. Two ends of the guide shaft are respectively connected to the jig plate and the fixing plate, and the guide shaft passes through the lifting plate. The lifting plate is slidably connected to the guide shaft, and the piston rod of the lifting cylinder is connected to the lifting plate.

[0012] As a further improvement of the above technical solution, four guide shafts are provided, and the four guide shafts are arranged in a square.

[0013] As a further improvement of the above technical solution, the lifting drive assembly includes two lifting cylinders, and the piston rods of the two lifting cylinders are respectively connected to opposite sides of the lifting plate.

[0014] As a further improvement of the above technical solution, it further includes a vacuum manifold. A plurality of adsorption holes are provided, and the vacuum manifold is used for centralized air supply and centralized exhaust to the plurality of adsorption holes.

[0015] As a further improvement of the above technical solution, two vacuum manifolds are provided.

[0016] As a further improvement of the above technical solution, the alignment drive assembly includes a linear electric displacement table, and the output end of the linear electric displacement table is connected to the connecting frame.

[0017] As a further improvement of the above technical solution, the ejector pin includes a first cylinder body and a second cylinder body. The cross-sectional area of the first cylinder body is larger than that of the second cylinder body. The first cylinder body passes through the through hole. One end of the second cylinder body is connected to the first cylinder body, and the other end is hemispherical and is used for jacking up the panel to be repaired.

[0018] On the other hand, the present invention provides an LED laser repair device, including a laser head and the aforementioned LED laser repair processing jig. The laser head is located above the LED laser repair processing jig.

[0019] The beneficial effects of the present utility model are as follows: During use, the panel to be repaired is placed on the jig plate. There is negative pressure in the adsorption holes, which can adsorb the panel to be repaired on the jig plate. The lifting plate is driven to lift and lower by the lifting drive assembly, so that the ejector pin can move up and down relative to the jig plate. After the repair is completed, the ejector pin can lift the panel to be repaired adsorbed on the jig plate, causing the panel to be repaired to separate from the jig plate. The alignment drive assembly drives the connecting frame to move towards the direction close to the jig plate to achieve the connection or separation of the clamping part and the clamping notch. Since a buffer is provided on the clamping part, it can play a buffering role during the docking process between the connecting frame and the jig plate, preventing damage to the panel to be repaired on the jig plate. Description of the Drawings

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0021] Figure 1 is a schematic structural diagram of an LED laser repair processing jig provided by a preferred embodiment of the present utility model;

[0022] Figure 2 is a top view of an LED laser repair processing jig provided by a preferred embodiment of the present utility model;

[0023] Figure 3 is Figure 2 an enlarged view of part A in

[0024] Figure 4 is a side view of an LED laser repair processing jig provided by a preferred embodiment of the present utility model;

[0025] Figure 5 is a bottom view of an LED laser repair processing jig provided by a preferred embodiment of the present utility model;

[0026] Reference numerals: 1, jig plate; 2, lifting plate; 3, lifting drive member; 4, connecting frame; 5, alignment drive assembly; 6, fixing plate;

[0027] 11, adsorption hole; 12, through hole; 13, clamping notch; 21, ejector pin; 31, lifting cylinder; 32, guide shaft; 41, clamping part; 51, linear electric displacement table; 61, vacuum manifold;

[0028] 211, first cylinder; 212, second cylinder; 411, buffer; 412, first column; 413, second column; 414, connecting rod; 415, helical spring; 416, connecting hole. Detailed Embodiments

[0029] The concept, specific structure and technical effects of the present utility model will be clearly and completely described below in conjunction with the embodiments and the drawings, so as to fully understand the purpose, features and effects of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of the present utility model. In addition, all the connection / linkage relationships involved in the patent do not simply refer to the direct connection of components, but refer to the more optimal connection structure that can be formed by adding or reducing connection accessories according to the specific implementation situation. For example, fixed connection / fixed installation can select screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and other methods as needed. For example, detachable connection can select screw connection, bolt connection, threaded connection, snap connection, mortise and tenon connection, magic tape connection and other methods as needed. The various technical features in the creation of the present utility model can be combined interactively on the premise of not conflicting with each other.

[0030] Please refer to Figure 1 , a preferred embodiment of the present utility model provides an LED laser repair processing fixture, which includes a fixture plate 1, a lifting plate 2, a lifting drive assembly 3, a connecting frame 4, and an alignment drive assembly 5. The fixture plate 1 is provided with adsorption holes 11 for adsorbing the panel to be repaired. The lifting plate 2 is located below the fixture plate 1. The lifting plate 2 is provided with ejector pins 21. The fixture plate 1 is also provided with through holes 12, and the ejector pins 21 pass through the through holes 12. The lifting drive assembly 3 is used to drive the lifting plate 2 to lift. The connecting frame 4 is provided with a clamping portion 41, and the clamping portion 41 is provided with a buffer member 411. A clamping notch 13 is provided on one side of the fixture plate 1, and the clamping portion 41 is clamped with the clamping notch 13. The alignment drive assembly 5 is used to drive the connecting frame 4 to move in a direction close to or away from the fixture plate 1, so that the clamping portion 41 is clamped or separated from the clamping notch 13. When in use, the panel to be repaired is placed on the fixture plate 1. The adsorption holes 11 have negative pressure, which can adsorb the panel to be repaired on the fixture plate 1. The lifting drive assembly 3 drives the lifting plate 2 to lift, so that the ejector pins 21 can move up and down relative to the fixture plate 1. After the repair is completed, the ejector pins 21 can lift the panel to be repaired adsorbed on the fixture plate 1, so that the panel to be repaired is separated from the fixture plate 1. The alignment drive assembly 5 drives the connecting frame 4 to move in a direction close to or away from the fixture plate 1 to realize the connection or separation of the clamping portion 41 and the clamping notch 13. Since the clamping portion 41 is provided with a buffer member 411, it can play a buffering role during the docking process of the connecting frame 4 and the fixture plate 1, preventing damage to the panel to be repaired on the fixture plate 1.

[0031] The clamping part 41 includes a first upright post 412 and a second upright post 413. On the side of the first upright post 412 facing the second upright post 413, a connecting rod 414 is provided. The buffer member 411 includes a helical spring 415. The helical spring 415 is sleeved on the connecting rod 414. The second upright post 413 is provided with a connecting hole 416. One end of the connecting rod 414 is clamped with the connecting hole 416. When the connecting rod 414 is butted with the connecting hole 416, the helical spring 415 can play a buffering role.

[0032] The LED laser repair and processing fixture further includes a fixing plate 6. The fixing plate 6 is located below the lifting plate 2. The lifting drive assembly 3 includes a lifting cylinder 31 and a guide shaft 32. The two ends of the guide shaft 32 are respectively connected to the fixture plate 1 and the fixing plate 6, and the guide shaft 32 passes through the lifting plate 2. The lifting plate 2 is slidably connected to the guide shaft 32. The piston rod of the lifting cylinder 31 is connected to the lifting plate 2. The lifting cylinder 31 drives the lifting plate 2 to lift along the guide shaft 32, so that the ejector pin 21 provided on the lifting plate 2 can lift the panel to be repaired adsorbed on the fixture plate 1, facilitating the picking and placing of the panel to be repaired.

[0033] Four guide shafts 32 are provided. The four guide shafts 32 are arranged in a square. During the process of the lifting plate 2 lifting along the guide shaft 32, the guide shafts 32 can provide support to the four sides of the lifting plate 2, which is beneficial to the stability of the movement of the lifting plate 2.

[0034] The lifting drive assembly 3 includes two lifting cylinders 31. The piston rods of the two lifting cylinders 31 are respectively connected to the opposite sides of the lifting plate 2. The two lifting cylinders 31 can drive the two sides of the lifting plate 2 to lift, which is beneficial to the synchronous movement of each part of the lifting plate 2.

[0035] It further includes a vacuum manifold 61. A plurality of adsorption holes 11 are provided. The vacuum manifold 61 is used for centralized air supply and centralized exhaust to the plurality of adsorption holes 11. The vacuum manifold 61 is arranged on the fixing plate 6. Setting the vacuum manifold 61 can reduce the air source, such as an air compressor, and save the space occupied by the air compressor.

[0036] In this embodiment, two vacuum manifolds 61 are provided, which further facilitates centralized air supply and centralized exhaust to the plurality of adsorption holes 11 provided on the fixture plate 1.

[0037] The alignment drive assembly 5 includes a linear electric displacement table 51. The output end of the linear electric displacement table 51 is connected to the connecting frame 4. The linear electric displacement table 51 can drive the connecting frame 4 to perform precise linear motion, facilitating the precise control of the butting depth between the connecting rod 414 and the connecting hole 416.

[0038] The surface of the fixture plate 1 is subjected to conductive oxidation treatment, which can prevent the fixture plate 1 from being punctured when the laser head repairs the panel to be repaired.

[0039] The ejector pin 21 includes a first cylinder 211 and a second cylinder 212. The cross-sectional area of the first cylinder 211 is larger than that of the second cylinder 212. The first cylinder 211 is inserted through the through hole 12. One end of the second cylinder 212 is connected to the first cylinder 211, and the other end is hemispherical and is used to lift the panel to be repaired. The end surface of the hemispherical portion is smooth, which can avoid damaging the surface of the panel to be repaired.

[0040] A preferred embodiment of the present utility model further provides an LED laser repair device, which includes a laser head and the LED laser repair processing jig provided in the above embodiment. The laser head is located above the LED laser repair processing jig and is used to remove defective wafers and repair subsequent wafers.

[0041] The above is a specific description of the preferred embodiment of the present utility model. However, the present utility model is not limited to the described embodiment. Those skilled in the art can also make various equivalent deformations or substitutions without departing from the spirit of the present utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. An LED laser repair processing jig, characterized in that , including: A jig plate, on which adsorption holes are provided for adsorbing the panel to be repaired. A lifting plate, which is located below the jig plate. Thumb tacks are provided on the lifting plate, and through holes are also provided on the jig plate. The thumb tacks pass through the through holes. A lifting drive assembly for driving the lifting plate to lift and lower. A connecting frame, on which a clamping portion is provided. A buffer member is provided on the clamping portion. A clamping notch is provided on one side of the jig plate, and the clamping portion is clamped with the clamping notch. An alignment drive assembly for driving the connecting frame to move towards or away from the jig plate, so that the clamping portion is clamped with or separated from the clamping notch.

2. The LED laser repair and processing fixture according to claim 1, wherein: The clamping portion includes a first upright post and a second upright post. A connecting rod is provided on one side of the first upright post facing the second upright post. The buffer member includes a helical spring, and the helical spring is sleeved on the connecting rod. A connecting hole is provided on the second upright post, and one end of the connecting rod is clamped with the connecting hole.

3. The LED laser repair and processing fixture according to claim 1, wherein: It further includes a fixing plate, which is located below the lifting plate. The lifting drive assembly includes a lifting cylinder and a guide shaft. The two ends of the guide shaft are respectively connected to the jig plate and the fixing plate, and the guide shaft passes through the lifting plate. The lifting plate is slidably connected to the guide shaft, and the piston rod of the lifting cylinder is connected to the lifting plate.

4. The LED laser repair and processing jig according to claim 3, wherein: Four guide shafts are provided, and the four guide shafts are arranged in a square.

5. The LED laser repair and processing jig according to claim 3, characterized in that: The lifting drive assembly includes two lifting cylinders, and the piston rods of the two lifting cylinders are respectively connected to the opposite sides of the lifting plate.

6. The LED laser repair and processing fixture according to claim 1, characterized in that: It further includes a vacuum manifold. There are multiple adsorption holes, and the vacuum manifold is used for centralized air supply and centralized exhaust to multiple adsorption holes.

7. The LED laser repair and processing fixture according to claim 6, characterized in that: Two vacuum manifolds are provided.

8. The LED laser repair and processing fixture according to claim 1, wherein: The alignment drive assembly includes a linear electric displacement table, and the output end of the linear electric displacement table is connected to the connecting frame.

9. The LED laser repair and processing fixture according to claim 1, characterized in that: The thumb tack includes a first cylinder body and a second cylinder body. The cross-sectional area of the first cylinder body is larger than that of the second cylinder body. The first cylinder body passes through the through hole. One end of the second cylinder body is connected to the first cylinder body, and the other end is hemispherical and used for jacking up the panel to be repaired.

10. An LED laser repair device, characterized in that: It includes a laser head and the LED laser repair processing jig according to any one of claims 1-9. The laser head is located above the LED laser repair processing jig.

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