A wear resistance testing mechanism for display screens

Abstract

The utility model relates to test mechanism technical field, and disclose a kind of abrasion resistance test mechanism of display screen, solve the height of the polishing plate that current test mechanism needs to be adjusted manually according to demand, and manual adjustment is not accurate enough and increase the labor intensity of operator, reduce the problem of work efficiency, it includes bottom plate, the middle part fixed mounting of bottom plate top is placed frame, placed frame both sides are fixedly installed with cylinder, the transmission end of cylinder is fixedly installed with clamping plate, the top of bottom plate is equipped with top plate, the four corners of top plate are all set with slide hole, the inside of four slide holes is all inserted with slide rod, the surface of four slide rods is all set with spring, and the top and bottom of four springs are respectively fixedly connected with top plate and bottom plate, and the two side inner walls of top plate are all set with sliding slot;This test mechanism can be adjusted conveniently according to demand the height of polishing plate, reduces the labor intensity of operator while improving the adjustment accuracy, and improves work efficiency.

Description

Technical Field

[0001] This utility model belongs to the technical field of testing mechanisms, specifically a wear resistance testing mechanism for a display screen. Background Technology

[0002] Display screen abrasion resistance testing is a crucial quality assessment process designed to determine the durability and wear resistance of the display screen surface material when subjected to scratches and abrasions during daily use. The main purpose of display screen abrasion resistance testing is to evaluate the durability of the display screen surface material under external friction or scratches. This helps ensure that the display screen maintains a clear, scratch-free display effect in various usage environments, thereby extending its lifespan and providing a better user experience. Through abrasion resistance testing, problems with the display screen surface material can be identified in a timely manner, and corresponding measures can be taken to improve them, thereby enhancing product quality. An existing patent (publication number: CN218938043U) describes a display screen abrasion resistance testing machine. This testing machine can limit the movement of display screens of different sizes to prevent displacement during testing, offering high flexibility. It can also drive the display screen in automatic reciprocating motion, reducing the workload of operators and improving testing quality, making it highly practical. However, this testing mechanism requires manual adjustment of the height of the grinding plate according to needs, which is not precise enough and increases the workload of operators, reducing work efficiency. Utility Model Content

[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides a wear resistance testing mechanism for a display screen, which effectively solves the problem that the existing testing mechanism requires manual adjustment of the height of the grinding plate according to the requirements, and that manual adjustment is not precise enough, increases the workload of operators, and reduces work efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a wear resistance testing mechanism for a display screen, comprising a base plate, a placement frame fixedly installed at the center of the top of the base plate, cylinders fixedly installed on both sides of the placement frame, clamping plates fixedly installed at the transmission ends of the cylinders, a top plate above the base plate, sliding holes at the four corners of the top plate, sliding rods inserted into the four sliding holes, springs sleeved on the surfaces of the four sliding rods, the top and bottom of the four springs fixedly connected to the top plate and the base plate respectively, sliding grooves on the inner walls of both sides of the top plate, and a first motor fixedly installed on one side of the top of the top plate via a fixing plate. A turntable is fixedly installed at the output end of the first motor. One side of the turntable is rotatably connected to the top of the top plate via a positioning strip. A transmission rod is rotatably installed on the upper part of one side of the turntable. A transmission block is rotatably installed at one end of the transmission rod. Slider blocks are fixedly installed on both sides of the transmission block. The two sliders are slidably installed inside the two slide grooves respectively. A grinding plate is fixedly installed at the bottom of the transmission block. A second motor is fixedly installed in the middle of the bottom of the base plate via a support strip. The output end of the second motor is equipped with a transmission assembly. The transmission assembly is connected to the top plate. The second motor outputs power to the top plate through the transmission assembly, causing the top plate to move down quickly to adjust the grinding height.

[0005] Preferably, the transmission assembly includes a first bevel gear and two support frames. The first bevel gear is fixedly installed at the output end of the second motor, and the two support frames are fixedly installed on both sides of the base plate. A second bevel gear is meshed with one side of the surface of the first bevel gear. A first shaft is fixedly installed in the middle of the second bevel gear. Four first bushings are rotatably installed on the surface of the first shaft. The four first bushings are fixedly connected to both sides of the base plate and the two support frames, respectively. Worms are fixedly installed at both ends of the first shaft.

[0006] Preferably, the surface of the worm gear is meshed with worm wheels, the top of each of the two worm wheels is fixedly mounted with a second shaft, the surface of each of the two second shafts is rotatably mounted with two second bushings, the two second bushings are fixedly connected to two support frames through a fixing rod, and the top of each of the two second shafts is fixedly mounted with a third bevel gear.

[0007] Preferably, a fourth bevel gear is meshed with one side of the surface of the third bevel gear, a third shaft is fixedly installed on the side of the two fourth bevel gears that are close to each other, the surfaces of the two third shafts are rotatably connected to the two support frames through a third bushing, a pusher wheel is fixedly installed on the end of the two third shafts that are close to each other, and the side of the two pusher wheels that are close to each other is rotatably connected to the support frame through a bearing seat.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, the operator places the display screen on the placement rack, and then the operator starts two cylinders to push two clamping plates to clamp the two sides of the display screen. Then the operator starts the second motor to drive the first bevel gear to rotate. When the first bevel gear rotates, it drives the first shaft to rotate along the inside of the four first shaft sleeves through the second bevel gear. When the first shaft rotates, it drives the two worm gears to rotate through the two worms. When the two worm gears rotate, they drive the two second shafts to rotate along the inside of the four second shaft sleeves. When the two second shafts rotate, they drive the fourth bevel gear to rotate through the third bevel gear.

[0009] When the two fourth bevel gears rotate, they drive the third shaft to rotate along the inside of the two third bushings. When the two third shafts rotate, they drive the pusher wheel to rotate and push the top plate downward. When the top plate moves, it slides along the surface of the four slide rods through the four sliding holes, and at the same time, it squeezes the four springs, thus ensuring the stability of the top plate movement while giving it the ability to elastically return to its original position. When the top plate moves downward, it drives the grinding plate to move downward to adjust the grinding height. Then, the operator starts the first motor to drive the turntable to rotate along the positioning strip. When the turntable rotates, it pulls the transmission block to move back and forth through the transmission rod. When the transmission block moves, it drives the two sliders to slide along the inside of the two slide grooves, which increases the stability of the transmission block movement. When the transmission block moves back and forth, it drives the grinding plate to perform grinding tests on the display screen. This allows the testing mechanism to quickly and conveniently adjust the height of the grinding plate according to the needs, improving the adjustment accuracy, reducing the workload of the operator, and improving work efficiency. Attached Figure Description

[0010] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0011] In the attached diagram:

[0012] Figure 1 This is a schematic diagram of the wear resistance testing mechanism for the display screen of this utility model. Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the wear resistance testing mechanism for the display screen of this utility model. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the wear resistance testing mechanism for the display screen of this utility model. Figure 3 ;

[0015] Figure 4 This is a schematic diagram of the internal structure of the base plate of this utility model;

[0016] In the diagram: 1. Base plate; 2. Placement frame; 3. Cylinder; 4. Clamping plate; 5. Top plate; 6. Sliding hole; 7. Sliding rod; 8. Spring; 9. First motor; 10. Turntable; 11. Positioning strip; 12. Transmission rod; 13. Transmission block; 14. Sliding groove; 15. Sliding block; 16. Grinding plate; 17. Second motor; 18. First bevel gear; 19. Second bevel gear; 20. First shaft; 21. Third shaft; 22. First bushing; 23. Worm gear; 24. Worm wheel; 25. Support frame; 26. Second shaft; 27. Second bushing; 28. Third bevel gear; 29. ​​Fourth bevel gear; 30. Pushing wheel; 31. Third bushing. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0018] Depend on Figures 1 to 4 The present invention includes a base plate 1, a placement rack 2 fixedly installed at the center of the top of the base plate 1, cylinders 3 fixedly installed on both sides of the placement rack 2, clamping plates 4 fixedly installed at the transmission ends of the cylinders 3, a top plate 5 above the base plate 1, sliding holes 6 at the four corners of the top plate 5, sliding rods 7 inserted into the four sliding holes 6, springs 8 sleeved on the surface of the four sliding rods 7, the top and bottom of the four springs 8 fixedly connected to the top plate 5 and the base plate 1 respectively, sliding grooves 14 on both sides of the inner wall of the top plate 5, a first motor 9 fixedly installed on one side of the top of the top plate 5 by a fixing plate, a turntable 10 fixedly installed at the output end of the first motor 9, and the turntable 1... One side of the turntable 10 is rotatably connected to the top of the top plate 5 via a positioning strip 11. A transmission rod 12 is rotatably mounted on the upper part of one side of the turntable 10. A transmission block 13 is rotatably mounted on one end of the transmission rod 12. Slider blocks 15 are fixedly mounted on both sides of the transmission block 13. The two sliders 15 are slidably mounted inside the two slide grooves 14 respectively. A grinding plate 16 is fixedly mounted on the bottom of the transmission block 13. A second motor 17 is fixedly mounted on the middle of the bottom of the bottom of the base plate 1 via a support strip. The output end of the second motor 17 is provided with a transmission assembly. The transmission assembly is connected to the top plate 5. The second motor 17 outputs power to the top plate 5 through the transmission assembly, so that the top plate 5 moves down quickly to adjust the grinding height.

[0019] In use, the operator places the display screen on the mounting bracket 2, then activates two cylinders 3 to push two clamping plates 4 to clamp the sides of the display screen. Next, the operator activates the second motor 17 to drive the transmission assembly. As the transmission assembly operates, it pushes the top plate 5 downwards. As the top plate 5 moves, it slides along the surfaces of four sliding rods 7 through four sliding holes 6, simultaneously compressing four springs 8. This ensures the stability of the top plate 5's movement while giving it the ability to elastically return to its original position. The downward movement of the top plate 5 also moves the grinding plate 16 downwards to adjust the grinding height. Then the operator... The operator starts the first motor 9, which drives the turntable 10 to rotate along the positioning strip 11. When the turntable 10 rotates, it pulls the transmission block 13 to move back and forth through the transmission rod 12. When the transmission block 13 moves, it drives the two sliders 15 to slide along the inside of the two slide grooves 14, which increases the stability of the transmission block 13 when it moves. When the transmission block 13 moves back and forth, it drives the grinding plate 16 to perform grinding tests on the display screen. This allows the testing mechanism to quickly and conveniently adjust the height of the grinding plate 16 according to the needs, which improves the adjustment accuracy, reduces the workload of the operator, and improves the work efficiency.

[0020] The transmission assembly includes a first bevel gear 18 and two support frames 25. The first bevel gear 18 is fixedly mounted on the output end of the second motor 17, and the two support frames 25 are fixedly mounted on both sides of the base plate 1. A second bevel gear 19 is meshed with one side of the surface of the first bevel gear 18. A first shaft 20 is fixedly mounted in the middle of the second bevel gear 19. Four first bushings 22 are rotatably mounted on the surface of the first shaft 20. The four first bushings 22 are fixedly connected to both sides of the base plate 1 and the two support frames 25, respectively. Worms 23 are fixedly mounted at both ends of the first shaft 20. Worm wheels 24 are meshed with the surfaces of the worms 23, and second shafts 26 are fixedly mounted on the tops of the two worm wheels 24. Two second bushings 27 are rotatably mounted on the surfaces of the two second shafts 26. The two second bushings 27 are fixedly connected to the two support frames 25 through fixing rods. A third bevel gear 28 is fixedly mounted on the top of each of the two second shafts 26. A fourth bevel gear 29 is meshed with one side of the surface of each of the third bevel gears 28. A third shaft 21 is fixedly mounted on the side of each of the two fourth bevel gears 29 that is close to each other. The surfaces of the two third shafts 21 are rotatably connected to the two support frames 25 through third bushings 31. A pusher wheel 30 is fixedly mounted on the end of each of the two third shafts 21 that is close to each other. The side of each of the two pusher wheels 30 that is close to each other is rotatably connected to the support frame 25 through a bearing seat.

[0021] The operator starts the second motor 17, which drives the first bevel gear 18 to rotate. When the first bevel gear 18 rotates, it drives the first shaft 20 to rotate along the inside of the four first bushings 22 through the second bevel gear 19. When the first shaft 20 rotates, it drives the two worm gears 23 to rotate the two worm wheels 24. When the two worm wheels 24 rotate, they drive the two second shafts 26 to rotate along the inside of the four second bushings 27. When the two second shafts 26 rotate, they drive the fourth bevel gear 29 to rotate through the third bevel gear 28. When the two fourth bevel gears 29 rotate, they drive the third shaft 21 to rotate along the inside of the two third bushings 31. When the two third shafts 21 rotate, they drive the pusher wheel 30 to rotate and push the top plate 5 to move downward.

Claims

1. A wear resistance testing mechanism for a display screen, comprising a base plate (1), characterized in that: A placement rack (2) is fixedly installed at the center of the top of the base plate (1). Cylinders (3) are fixedly installed on both sides of the placement rack (2). Clamping plates (4) are fixedly installed at the transmission ends of the cylinders (3). A top plate (5) is provided above the base plate (1). Sliding holes (6) are provided at the four corners of the top plate (5). Sliding rods (7) are inserted into the four sliding holes (6). Springs (8) are sleeved on the surface of the four sliding rods (7). The top and bottom of the four springs (8) are fixedly connected to the top plate (5) and the base plate (1) respectively. Sliding grooves (14) are provided on the inner walls of both sides of the top plate (5). A first motor (9) is fixedly installed on one side of the top of the top plate (5) through a fixing plate. A turntable (10) is fixedly installed at the output end of the first motor (9). One side of the turntable (10) is rotatably connected to the top of the top plate (5) via a positioning strip (11). A transmission rod (12) is rotatably installed on the upper part of one side of the turntable (10). A transmission block (13) is rotatably installed at one end of the transmission rod (12). Slider blocks (15) are fixedly installed on both sides of the transmission block (13). The two sliders (15) are slidably installed inside the two slide grooves (14). A grinding plate (16) is fixedly installed at the bottom of the transmission block (13). A second motor (17) is fixedly installed in the middle of the bottom of the bottom of the base plate (1) via a support strip. The output end of the second motor (17) is provided with a transmission assembly. The transmission assembly is connected to the top plate (5) via a transmission assembly. The second motor (17) outputs power to the top plate (5) through the transmission assembly, so that the top plate (5) moves down quickly to adjust the grinding height.

2. The wear resistance testing mechanism for a display screen according to claim 1, characterized in that: The transmission assembly includes a first bevel gear (18) and two support frames (25). The first bevel gear (18) is fixedly installed at the output end of the second motor (17). The two support frames (25) are fixedly installed on both sides of the base plate (1). A second bevel gear (19) is meshed with one side of the surface of the first bevel gear (18). A first shaft (20) is fixedly installed in the middle of the second bevel gear (19). Four first bushings (22) are rotatably installed on the surface of the first shaft (20). The four first bushings (22) are fixedly connected to both sides of the base plate (1) and the two support frames (25) respectively. Worms (23) are fixedly installed at both ends of the first shaft (20).

3. The wear resistance testing mechanism for a display screen according to claim 2, characterized in that: The worm (23) is meshed with worm wheels (24) on its surface. The top of each worm wheel (24) is fixedly mounted with a second shaft (26). The surface of each second shaft (26) is rotatably mounted with two second bushings (27). The two second bushings (27) are fixedly connected to two support frames (25) through a fixing rod. The top of each second shaft (26) is fixedly mounted with a third bevel gear (28).

4. The wear resistance testing mechanism for a display screen according to claim 3, characterized in that: One side of the surface of the third bevel gear (28) is meshed with a fourth bevel gear (29). The two fourth bevel gears (29) are fixedly mounted with a third shaft (21) on the side of each other. The surfaces of the two third shafts (21) are rotatably connected to the two support frames (25) through a third bushing (31). The ends of the two third shafts (21) that are close to each other are fixedly mounted with a pusher wheel (30). The sides of the two pusher wheels (30) that are close to each other are rotatably connected to the support frame (25) through a bearing seat.

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