A touch screen external screen automatic assembly robot

Abstract

This invention relates to the field of robotics, and more particularly to an automatic assembly robot for touch screen outer screens. The robot includes a base plate, an assembly platform, placement blocks, connecting blocks, and pointed blocks. The assembly platform is connected to the top of the base plate. Placement blocks are symmetrically slidably connected to the left and right sides of the top of the assembly platform. Each placement block has a recessed area at the bottom for placing an inner screen and an upper recessed area at the top for placing an outer screen. Connecting blocks are connected to the assembly platform, and pointed blocks are attached to the connecting blocks. This invention uses a robotic arm to move the outer and inner screens to the right. The pointed blocks can tear open the release film on the outer screen. The robotic arm then places the outer and inner screens into the placement blocks, automatically assembling them and automatically removing the release film, thereby improving work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of robots, and in particular to an automatic assembly robot for a touch display screen and an outer screen. Background Art

[0002] Touch screens are mainly used in electronic games, multimedia teaching and other fields. Through the touch function, you can get rid of the operation of the keyboard and mouse, which is more convenient to use. The touch screen is composed of an inner screen and an outer screen. Therefore, in the production process of the touch screen, the inner screen and the outer screen need to be combined.

[0003] In the production process of touch screens, the inner screen and the outer screen are generally combined manually. First, the inner screen is placed in a mold and the inner screen is limited by the mold. Then the release film on the inner screen is torn off. Then the outer screen is placed in the mold and the outer and inner screens are combined. After the combination is completed, the release film on the outer screen is torn off. The whole process is manually operated, and the manual film tearing speed is slow and the work efficiency is low. Summary of the invention

[0004] In order to overcome the shortcomings that the entire process is manually operated, the manual film tearing speed is slow and the work efficiency is low, the present invention provides an automatic assembly robot for the outer screen of a touch display screen.

[0005] A touch display screen outer screen automatic assembly robot comprises a base plate, an assembly table, a placement block, a connecting block, a pointed block, an electric push rod, a pressure plate, an electric guide rail, a moving column, a manipulator, a conveying mechanism and an adjusting mechanism. The top of the base plate is connected to the assembly table, and the left and right sides of the top of the assembly table are symmetrically connected to the placement blocks for sliding front and back, the lower parts of the placement blocks are provided with lower recesses for placing inner screens, and the upper parts of the placement blocks are provided with upper recesses for placing outer screens, the assembly table is connected to the connecting block, and the connecting block is connected to the pointed block, the assembly table is connected to the electric push rod, and the telescopic rod of the electric push rod is connected to the pressure plate, which slides through the assembly table, and is used to press the release films on the inner and outer screens onto the pointed block so that the pointed block can tear off the release film, the top of the base plate is connected to the electric guide rail, and the top of the slider of the electric guide rail is connected to the moving column, and the manipulator is installed on the moving column, the conveying mechanism is used to convey the inner and outer screens to the left side of the assembly table, and the adjusting mechanism is used to adjust the distance between the four placement blocks.

[0006] As a further preferred scheme, the conveying mechanism includes a frame, a mounting frame, a first conveyor, a second conveyor and a third conveyor. The top of the base plate is connected to the frame, the top of the frame is connected to the mounting frame, the right side of the mounting frame is equipped with a third conveyor for conveying the inner screen and the outer screen to the left side of the assembly table, the mounting frame is equipped with a first conveyor for conveying the inner screen to the front side of the third conveyor, and the mounting frame is equipped with a second conveyor for conveying the outer screen to the rear side of the third conveyor.

[0007] As a further preferred scheme, the adjustment mechanism includes a sliding shaft, a bidirectional screw and a circular plate. The bottom of the placement block is connected to the sliding shaft, and the assembly table is rotatably connected to the bidirectional screw. The left and right parts of the bidirectional screw are connected to the circular plate through threads. The two sliding shafts on the left are located on the left circular plate, and the two sliding shafts on the right are located on the right circular plate.

[0008] As a further preferred scheme, it also includes a pushing mechanism, the pushing mechanism includes a guide frame, a sliding frame, a guide rod, a first spring, a movable plate, a pushing plate and a pushing assembly, the top of the base plate is connected to the guide frame, the sliding frame is slidably connected to the guide frame, the guide rod is connected to the guide frame, the guide rod and the sliding frame are slidably connected, a first spring is connected between the guide frame and the sliding frame, the movable plate is slidably connected to the guide frame, the sliding frame and the movable plate are connected, the front and rear sides of the bottom of the movable plate are hingedly connected with push plates, the pushing assembly is used to push the sliding frame to move the push plate, the front push plate can push the inner screen on the first conveyor to the third conveyor, and the rear push plate can push the outer screen on the second conveyor to the third conveyor.

[0009] As a further preferred solution, the pushing assembly includes a wedge plate and a pushing rod, the sliding frame is connected to the wedge plate, the moving column is connected to the pushing rod, the pushing rod is used to push the wedge plate to move backward, and the wedge plate drives the sliding frame to move backward.

[0010] As a further preferred scheme, it also includes a wiping mechanism, which includes a rotating shaft, a hollow cylinder, a liquid inlet pipe, wiping cotton, a mounting plate, a motor and a clamping assembly. The mounting frame is rotatably connected to the front and rear sides of the mounting frame. The front rotating shaft is hollow, and a hollow cylinder is connected between the two rotating shafts. The front rotating shaft and the hollow cylinder are communicated with each other. Three discharge holes are opened on the upper and lower sides of the hollow cylinder. The front rotating shaft is rotatably connected to the liquid inlet pipe, and the front rotating shaft and the liquid inlet pipe are communicated with each other. Wiping cotton is provided on the upper and lower sides of the hollow cylinder. The top of the bottom plate is connected to the mounting plate, and the motor is connected to the mounting plate. The output shaft of the motor and the rotating shaft at the rear are driven by gears, and a clamping assembly for clamping the wiping cotton on the hollow cylinder is provided on the rotating shaft.

[0011] As a further preferred solution, the clamping assembly includes a sliding frame, a second spring and spikes. The sliding frame is slidably connected to the rotating shaft, the hollow cylinder is located in the sliding frame, the second spring is connected between the hollow cylinder and the sliding frame, and the sliding frame is connected to six spikes for clamping the wiping cotton on the hollow cylinder.

[0012] As a further preferred embodiment, a collecting mechanism is also included, which includes a collecting box, an L-shaped plate and a card plate. The collecting box is placed on the top of the bottom plate, and the release film torn off by the sharp block will fall into the collecting box. The collecting box is connected to the L-shaped plate, and the card plate is slidably connected on the assembly table and the frame. A card slot is formed between the collecting box and the L-shaped plate, and the card plate can be inserted into the card slot to fix the collecting box.

[0013] The beneficial effects are: 1. The present invention can drive the outer screen and the inner screen to move to the right through the robot, and the pointed block can tear off the release film on the outer screen. Then the robot puts the outer screen and the inner screen into the placement block, automatically combines the outer screen and the inner screen, and can automatically tear off the release film, thereby improving work efficiency.

[0014] 2. Use the wiping cotton to wipe off the dust on the release film to prevent the dust on the release film from floating onto the outer screen during the film removal process. The wiping cotton has wiping liquid, which can provide a better wiping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0016] Figure 2 The three-dimensional structural schematic diagram of the placement block, the connection block, the pointed block, the electric push rod and the pressing plate of the present invention is shown.

[0017] Figure 3 A schematic diagram of the three-dimensional structure of the placement block, the lower recess and the upper recess of the present invention is shown.

[0018] Figure 4 A first three-dimensional structural schematic diagram of the adjustment mechanism of the present invention is shown.

[0019] Figure 5 A second three-dimensional structural schematic diagram of the adjustment mechanism of the present invention is shown.

[0020] Figure 6 A first stereoscopic structural schematic diagram of the material pushing mechanism of the present invention is shown.

[0021] Figure 7 A second stereoscopic structural schematic diagram of the material pushing mechanism of the present invention is shown.

[0022] Figure 8 A first three-dimensional structural schematic diagram of the wiping mechanism of the present invention is shown.

[0023] Fig. 9 A second three-dimensional structural schematic diagram of the wiping mechanism of the present invention is shown.

[0024] Fig.10 A cross-sectional view of a sliding frame of the present invention is shown.

[0025] Fig.11 A three-dimensional structural schematic diagram of the collecting mechanism of the present invention is shown.

[0026] Parts names and serial numbers in the figure: 1_bottom plate, 2_assembly table, 3_placing block, 4_lower notch, 5_upper notch, 6_connecting block, 7_pointed block, 8_electric push rod, 9_pressing plate, 10_electric guide rail, 11_moving column, 12_manipulator, 13_frame, 14_mounting frame, 15_first conveyor, 16_second conveyor, 17_third conveyor, 18_sliding shaft, 19_bidirectional screw rod, 20_reciprocating Plate, 21_guide frame, 22_sliding frame, 23_guide rod, 24_first spring, 25_moving plate, 26_push plate, 27_wedge plate, 28_push rod, 29_rotating shaft, 30_hollow cylinder, 31_discharge hole, 32_liquid inlet pipe, 33_wiping cotton, 34_mounting plate, 35_motor, 36_sliding frame, 37_second spring, 38_spike, 39_collecting box, 40_L-shaped plate, 41_card plate. DETAILED DESCRIPTION

[0027] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0028] Example 1: Figure 1-Figure 5 As shown, an automatic assembly robot for an external screen of a touch display screen includes a bottom plate 1, an assembly table 2, a placement block 3, a connection block 6, a tip block 7, an electric push rod 8, a pressure plate 9, an electric guide rail 10, a moving column 11, a manipulator 12, a conveying mechanism and an adjustment mechanism. The top right side of the bottom plate 1 is connected to the assembly table 2, and the top left and right sides of the assembly table 2 are symmetrically slidably connected to the placement blocks 3, the lower part of the placement blocks 3 is provided with a lower notch 4, the upper part of the placement blocks 3 is provided with an upper notch 5, and the middle part of the upper left side of the assembly table 2 is connected to the assembly table 2. There is a connecting block 6, a pointed block 7 is connected to the left side of the connecting block 6, an electric push rod 8 is connected to the left side of the assembly table 2, the upper end of the telescopic rod of the electric push rod 8 is connected to a pressing plate 9, the pressing plate 9 slides through the left side of the assembly table 2, an electric guide rail 10 is connected to the right rear side of the top of the bottom plate 1, a moving column 11 is connected to the top of the slider of the electric guide rail 10, a manipulator 12 is installed on the upper front side of the moving column 11, the conveying mechanism is used to convey the inner screen and the outer screen to the left side of the assembly table 2, and the adjustment mechanism is used to adjust the distance between the four placement blocks 3.

[0029] like Figure 1 As shown, the conveying mechanism includes a frame 13, a mounting frame 14, a first conveyor 15, a second conveyor 16 and a third conveyor 17. The frame 13 is connected to the left side of the top of the base plate 1, the mounting frame 14 is connected to the top of the frame 13, the third conveyor 17 is installed on the right side of the mounting frame 14, the first conveyor 15 is installed on the front side of the mounting frame 14, and the second conveyor 16 is installed on the rear side of the mounting frame 14.

[0030] like Figure 4 and Figure 5 As shown, the adjustment mechanism includes a sliding shaft 18, a bidirectional screw rod 19 and a circular plate 20. The bottom of the placement block 3 is connected to the sliding shaft 18, and the top middle of the assembly table 2 is rotatably connected to the bidirectional screw rod 19. The left and right parts of the bidirectional screw rod 19 are connected to the circular plate 20 through threads. The two sliding shafts 18 on the left are located on the circular plate 20 on the left, and the two sliding shafts 18 on the right are located on the circular plate 20 on the right.

[0031] like Figure 6 and Figure 7 As shown, it also includes a pushing mechanism, which includes a guide frame 21, a sliding frame 22, a guide rod 23, a first spring 24, a movable plate 25, a pushing plate 26 and a pushing assembly. The guide frame 21 is connected to the left rear side of the top of the bottom plate 1, and the sliding frame 22 is slidably connected to the lower part of the guide frame 21. The guide rod 23 is connected to the lower front side of the guide frame 21. The guide rod 23 and the sliding frame 22 are slidably connected. The first spring 24 is sleeved on the guide rod 23, and the two ends of the first spring 24 are respectively connected to the guide frame 21 and the sliding frame 22. The movable plate 25 is slidably connected to the upper part of the guide frame 21, the top of the sliding frame 22 is connected to the bottom of the movable plate 25, and the front and rear sides of the bottom of the movable plate 25 are hingedly connected to the pushing plate 26. The pushing assembly is used to push the sliding frame 22 to move the pushing plate 26.

[0032] like Figure 6 and Figure 7 As shown, the pushing assembly includes a wedge plate 27 and a pushing rod 28 . The wedge plate 27 is connected to the lower right portion of the sliding frame 22 , and the pushing rod 28 is connected to the lower left portion of the moving column 11 .

[0033] The staff rotates the bidirectional screw rod 19 to move the two circular plates 20 toward or away from each other, thereby moving the sliding shafts 18 on the left and right sides toward or away from each other, and then moving the placement blocks 3 on the left and right sides toward or away from each other, and adjusting the distance between the four placement blocks 3. The distance between the four placement blocks 3 can be adjusted according to the size of the outer screen and the inner screen to adapt to outer screens and inner screens of different sizes. The first conveyor 15 conveys the inner screen to the front side of the third conveyor 17, and the second conveyor 16 conveys the outer screen to the rear side of the third conveyor 17. The release film on the outer screen faces downward, and the release film on the inner screen also faces downward. The electric guide rail 10 is controlled to drive the moving column 11 to move left, and the moving column 11 drives the manipulator 1 2 and the push rod 28 move to the left, the manipulator 12 will move to the top of the third conveyor 17, the push rod 28 will contact the wedge plate 27 during the process of moving to the left, and push the wedge plate 27 to move backward, the wedge plate 27 drives the sliding frame 22 to move backward, the first spring 24 is compressed, the sliding frame 22 drives the moving plate 25 and the push plate 26 to move backward, the moving plate 25 can block the front push plate 26, so that the front push plate 26 cannot rotate forward, so the front push plate 26 will push the inner screen on the first conveyor 15 to the third conveyor 17, the third conveyor 17 transports the inner screen to the left side of the assembly table 2, and at the same time, the inner screen will also move to the bottom of the manipulator 12, the manipulator 12 clamps the inner screen, and the rear push plate 26 moves backward The outer screen on the second conveyor 16 is blocked by the rear push plate 26, and the rear push plate 26 rotates forward. The rear push plate 26 will not push the outer screen on the second conveyor 16. Then the electric guide rail 10 is controlled to drive the moving column 11 to move right, and the moving column 11 drives the manipulator 12 and the push rod 28 to move right. The push rod 28 moves rightward and gradually breaks contact with the wedge plate 27. Under the action of the first spring 24, the sliding frame 22 moves forward, and the sliding frame 22 drives the moving plate 25 and the push plate 26 to move forward. The moving plate 25 can block the rear push plate 26, so that the rear push plate 26 cannot rotate backward. Therefore, the rear push plate 26 will push the outer screen on the second conveyor 16 to the third conveyor 17, and the front push plate 26 In the process of moving forward, it will contact the inner screen on the first conveyor 15, and the inner screen will block the front push plate 26, which will rotate backward. The front push plate 26 will not push the inner screen on the first conveyor 15, and the manipulator 12 moves to the right to drive the inner screen to move to the right. In the process of the inner screen moving to the right, the sharp block 7 will be inserted between the inner screen and the release film, and then the manipulator 12 is controlled to drive the inner screen to move upward a short distance to avoid contact between the inner screen and the sharp block 7. At this time, the telescopic rod of the electric push rod 8 is controlled to extend to drive the pressing plate 9 to move upward. The pressing plate 9 presses the release film on the sharp block 7, and the inner screen continues to move to the right, so that the sharp block 7 can tear off the release film on the inner screen. After the release film on the inner screen is torn off, the telescopic rod of the electric push rod 8 is controlled to shorten.The pressing plate 9 is driven to move downward to reset, and then the manipulator 12 is controlled to turn over the inner screen and put the inner screen into the lower notch 4. After the inner screen is placed, the electric guide rail 10 is controlled again to drive the moving column 11 to move to the left, and the manipulator 12 is moved to the top of the outer screen on the third conveyor 17. The manipulator 12 clamps the outer screen, and then the electric guide rail 10 is controlled to drive the moving column 11 to move to the right, and the moving column 11 drives the manipulator 12 to move to the right, and the manipulator 12 drives the outer screen to move to the right, and the pointed block 7 tears off the release film on the outer screen, and then the manipulator 12 puts the outer screen into the upper notch 5, automatically combines the outer screen and the inner screen, and can automatically tear off the release film, thereby improving work efficiency.

[0034] Embodiment 2: Based on embodiment 1, Figure 8-Figure 10 As shown, it also includes a wiping mechanism, which includes a rotating shaft 29, a hollow cylinder 30, a liquid inlet pipe 32, a wiping cotton 33, a mounting plate 34, a motor 35 and a clamping assembly. The right side of the mounting frame 14 is rotatably connected to the rotating shaft 29 on both sides, the front rotating shaft 29 is hollow, and a hollow cylinder 30 is connected between the two rotating shafts 29. The rotating shaft 29 on the front side is communicated with the hollow cylinder 30, and three discharge holes 31 are evenly spaced on the upper and lower sides of the hollow cylinder 30. The front end of the rotating shaft 29 on the front side is rotatably connected to the liquid inlet pipe 32, and the rotating shaft 29 on the front side is communicated with the liquid inlet pipe 32. Wiping cotton 33 is provided on the upper and lower sides of the hollow cylinder 30. A mounting plate 34 is connected to the middle of the top rear side of the bottom plate 1, and a motor 35 is connected to the upper right side of the mounting plate 34. The output shaft of the motor 35 and the rotating shaft 29 on the rear side are driven by gears, and a clamping assembly for clamping the wiping cotton 33 on the hollow cylinder 30 is provided on the rotating shaft 29.

[0035] like Fig.10 As shown, the clamping assembly includes a sliding frame 36, a second spring 37 and spikes 38. The sliding frame 36 is slidably connected to the rotating shaft 29, and the hollow cylinder 30 is located in the sliding frame 36. The second spring 37 is sleeved on the rotating shaft 29. The two ends of the second spring 37 are respectively connected to the hollow cylinder 30 and the sliding frame 36. The second spring 37 is located in the sliding frame 36, and six spikes 38 are connected to the side where the two sliding frames 36 are close to each other.

[0036] The spikes 38 clamp the wiping cotton 33 and fix the wiping cotton 33 on the hollow cylinder 30. The wiping liquid is injected into the hollow cylinder 30 through the liquid inlet pipe 32 and the front rotating shaft 29. The wiping liquid in the hollow cylinder 30 is discharged through the discharge hole 31. The wiping liquid will penetrate into the wiping cotton 33. The output shaft of the motor 35 drives the rear rotating shaft 29 to rotate through the gear. The rear rotating shaft 29 drives the hollow cylinder 30 and the wiping cotton 33 to rotate, so that the wiping liquid can flow evenly to the wiping cotton 33. When the robot 12 drives the outer screen to move to the right, the release film on the outer screen will contact the wiping cotton 33, and the wiping cotton 33 can release the film. The dust on the film is wiped clean to prevent the dust on the release film from floating onto the outer screen during the film tearing process. There is wiping liquid on the wiping cotton 33, which has a better wiping effect. Similarly, when the manipulator 12 drives the inner screen to move to the right, the wiping cotton 33 can also wipe the dust on the release film on the inner screen. When the wiping cotton 33 needs to be replaced, the two sliding frames 36 are pulled to move the two sliding frames 36 away from each other. The second spring 37 is stretched, and the sliding frame 36 drives the spikes 38 on the front and rear sides to move away from each other. The spikes 38 loosen the wiping cotton 33, and then the wiping cotton 33 is replaced.

[0037] like Figure 1 and Fig.11 As shown, a collecting mechanism is also included, and the collecting mechanism includes a collecting box 39, an L-shaped plate 40 and a card plate 41. The collecting box 39 is placed on the top of the bottom plate 1, and the collecting box 39 is located below the pointed block 7. The upper front part of the collecting box 39 is connected to the L-shaped plate 40, and the front side of the assembly table 2 and the front side of the frame 13 are slidably connected to the card plate 41. A card slot is formed between the collecting box 39 and the L-shaped plate 40, and the card plate 41 can be inserted into the card slot.

[0038] The release film torn off by the sharp block 7 will fall into the collection box 39 for collection to facilitate subsequent processing. The card plate 41 is inserted into the card slot to fix the collection box 39 to prevent the collection box 39 from shifting. The card plate 41 can be pulled upward to move the card plate 41 out of the card slot and release the collection box 39.

[0039] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An automatic assembly robot for an outer screen of a touch display screen, comprising a bottom plate (1), an assembly table (2) and a placement block (3), wherein the top of the bottom plate (1) is connected to the assembly table (2), the top left and right sides of the assembly table (2) are symmetrically slidably connected to the placement blocks (3), the lower part of the placement blocks (3) is provided with a lower notch (4) for placing an inner screen, and the upper part of the placement blocks (3) is provided with an upper notch (5) for placing an outer screen, wherein: It also includes a connecting block (6), a pointed block (7), an electric push rod (8), a pressure plate (9), an electric guide rail (10), a moving column (11), a manipulator (12), a conveying mechanism and an adjusting mechanism. The assembly table (2) is connected to the connecting block (6), the connecting block (6) is connected to the pointed block (7), the assembly table (2) is connected to the electric push rod (8), the telescopic rod of the electric push rod (8) is connected to the pressure plate (9), the pressure plate (9) slides through the assembly table (2), the pressure plate (9) is used to press the release film on the inner screen and the outer screen onto the pointed block (7), so that the pointed block (7) can tear off the release film, the top of the bottom plate (1) is connected to the electric guide rail (10), the top of the slider of the electric guide rail (10) is connected to the moving column (11), the manipulator (12) is installed on the moving column (11), the conveying mechanism is used to convey the inner screen and the outer screen to the left side of the assembly table (2), and the adjusting mechanism is used to adjust the distance between the four placement blocks (3); The conveying mechanism comprises a frame (13), a mounting frame (14), a first conveyor (15), a second conveyor (16) and a third conveyor (17); the top of the bottom plate (1) is connected to the frame (13); the top of the frame (13) is connected to the mounting frame (14); the third conveyor (17) for conveying the inner screen and the outer screen to the left side of the assembly table (2) is installed on the right side of the mounting frame (14); the first conveyor (15) for conveying the inner screen to the front side of the third conveyor (17) is installed on the mounting frame (14); and the second conveyor (16) for conveying the outer screen to the rear side of the third conveyor (17) is installed on the mounting frame (14); The adjustment mechanism comprises a sliding shaft (18), a bidirectional screw rod (19) and a return plate (20), the bottom of the placement block (3) is connected to the sliding shaft (18), the assembly table (2) is rotatably connected to the bidirectional screw rod (19), the left and right parts of the bidirectional screw rod (19) are connected to the return plate (20) through threads, the two sliding shafts (18) on the left are located on the return plate (20) on the left, and the two sliding shafts (18) on the right are located on the return plate (20) on the right; The material pushing mechanism also includes a guide frame (21), a sliding frame (22), a guide rod (23), a first spring (24), a movable plate (25), a push plate (26) and a push assembly. The top of the bottom plate (1) is connected to the guide frame (21), the sliding frame (22) is slidably connected to the guide frame (21), the guide rod (23) is connected to the guide frame (21), the guide rod (23) and the sliding frame (22) are slidably connected, and the first spring (24) is connected between the guide frame (21) and the sliding frame (22). A movable plate (25) is slidably connected to the guide frame (21), the sliding frame (22) is connected to the movable plate (25), and the front and rear sides of the bottom of the movable plate (25) are hingedly connected to push plates (26). The pushing component is used to push the sliding frame (22) to move the push plate (26). The front push plate (26) can push the inner screen on the first conveyor (15) to the third conveyor (17), and the rear push plate (26) can push the outer screen on the second conveyor (16) to the third conveyor (17).

2. According to the touch screen external screen automatic assembly robot of claim 1, it is characterized by: The pushing assembly comprises a wedge plate (27) and a pushing rod (28). The sliding frame (22) is connected to the wedge plate (27), and the moving column (11) is connected to the pushing rod (28). The pushing rod (28) is used to push the wedge plate (27) to move backwards, and the wedge plate (27) drives the sliding frame (22) to move backwards.

3. According to claim 2, a touch screen external screen automatic assembly robot is characterized in that: The invention also comprises a wiping mechanism, which comprises a rotating shaft (29), a hollow cylinder (30), a liquid inlet pipe (32), a wiping cotton (33), a mounting plate (34), a motor (35) and a clamping assembly. The mounting frame (14) is rotatably connected to the rotating shaft (29) on both the front and rear sides. The rotating shaft (29) on the front side is hollow. The hollow cylinder (30) is connected between the two rotating shafts (29). The rotating shaft (29) on the front side and the hollow cylinder (30) are connected. The hollow cylinder (30) is provided with three discharge holes ( 31), a liquid inlet pipe (32) is rotatably connected to the front rotating shaft (29), and the front rotating shaft (29) and the liquid inlet pipe (32) are in communication, and wiping cotton (33) is provided on both upper and lower sides of the hollow cylinder (30), and a mounting plate (34) is connected to the top of the bottom plate (1), and a motor (35) is connected to the mounting plate (34), and the output shaft of the motor (35) and the rear rotating shaft (29) are driven by gears, and a clamping component for clamping the wiping cotton (33) on the hollow cylinder (30) is provided on the rotating shaft (29).

4. According to claim 3, the touch screen external screen automatic assembly robot is characterized by: The clamping assembly comprises a sliding frame (36), a second spring (37) and spikes (38); the sliding frame (36) is slidably connected to the rotating shaft (29); the hollow cylinder (30) is located in the sliding frame (36); the second spring (37) is connected between the hollow cylinder (30) and the sliding frame (36); and the sliding frame (36) is connected to six spikes (38) for clamping the wiping cotton (33) on the hollow cylinder (30).

5. According to claim 4, the touch screen external screen automatic assembly robot is characterized by: The assembly apparatus also includes a collecting mechanism, which includes a collecting box (39), an L-shaped plate (40) and a card plate (41). The collecting box (39) is placed on the top of the bottom plate (1), and the release film torn off by the sharp block (7) will fall into the collecting box (39). The collecting box (39) is connected to the L-shaped plate (40). The card plate (41) is slidably connected to the assembly table (2) and the frame (13). A card slot is formed between the collecting box (39) and the L-shaped plate (40), and the card plate (41) can be inserted into the card slot to fix the collecting box (39).

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