Screen middle frame dispensing equipment

Abstract

The invention relates to the technical field of central control display screen assembling, and provides screen middle frame dispensing equipment which can achieve automatic dispensing, is high in dispensing efficiency and accurate in dispensing position and glue using amount and comprises a machine table, a dispensing platform, a clamping frame and a stand column. Two sliding rails are connected to the dispensing platform in a sliding mode, a sliding driving assembly used for driving the two sliding rails to slide is arranged on the dispensing platform, the clamping frame is arranged between the two sliding rails, a lifting assembly used for driving the clamping frame to ascend and descend is arranged between the two sliding rails, and a clamping assembly used for clamping a carrier is arranged on the clamping frame. The stand column is fixedly connected to the machine table, an extension plate is fixedly connected to the stand column, a sliding plate is slidably connected to the extension plate, a sliding assembly is arranged on the extension plate, a rotating shaft is rotatably connected to the sliding plate, a dispensing plate is fixedly connected to the rotating shaft, and a rotation driving assembly is arranged on the sliding plate.

Description

Technical Field

[0001] The present invention relates to the technical field of central control display screen assembly, and in particular to a screen middle frame glue dispensing device. Background Art

[0002] The central control display is a vital component in modern cars and is often called the brain of the car. With the continuous advancement of technology, the central control display has gradually evolved in car design, from the initial simple information display device to a complex multi-functional interactive platform, providing drivers with a more convenient and rich driving experience. During the assembly process of the central control display, each procedure is crucial. Among them, when fitting the screen panel and the middle frame, the screen panel needs to be glued first.

[0003] However, when dispensing glue on the screen panel, the dispensing position is not accurate enough, and the adjustment of the dispensing position is time-consuming, resulting in low dispensing efficiency. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a screen middle frame glue dispensing device to solve the problems mentioned in the background technology that the glue dispensing position of the prior art is not accurate enough and the adjustment of the glue dispensing position is time-consuming, resulting in low glue dispensing efficiency.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a screen middle frame glue dispensing equipment, comprising a machine platform, a glue dispensing platform, a clamping frame and a column, the glue dispensing platform is fixedly connected to the machine platform, and two slide rails are slidably connected to the glue dispensing platform, a sliding drive component for driving the two slide rails to slide is arranged on the glue dispensing platform, the clamping frame is arranged between the two slide rails, and a lifting component for driving the clamping frame to lift and lower is arranged between the two slide rails, a clamping component for clamping a carrier of a screen panel is arranged on the clamping frame, the column is fixedly connected to the machine platform, an extension plate is fixedly connected to the column, a sliding plate is slidably connected to the extension plate, and a sliding component for driving the sliding plate to slide is arranged on the extension plate, a rotating shaft is rotatably connected to the sliding plate, a glue dispensing plate is fixedly connected to the rotating shaft, a driving rotation component for driving the rotating shaft to rotate is arranged on the sliding plate, a glue pump system is arranged on the glue pump system, and a height measuring sensor is arranged on the glue pump system.

[0006] Preferably, the sliding drive assembly includes a storage frame, a first rotating screw, a threaded block and a linkage assembly, wherein two storage frames are provided, and the two storage frames are fixedly connected to the dispensing platform, two first rotating screws are provided, and the two first rotating screws are respectively rotatably connected to the two storage frames, two threaded blocks are provided, and the two threaded blocks are respectively threadedly sleeved on the two first rotating screws, and the two threaded blocks are respectively fixedly connected to the two slide rails, and the linkage assembly is provided on the dispensing platform for simultaneously driving the two first rotating screws to rotate.

[0007] Furthermore, the linkage assembly includes a protective cover, a rotating rod, a transmission wheel, a transmission belt and a first motor. The protective cover is fixedly connected to the dispensing platform. Two rotating rods are provided, and the two rotating rods are respectively fixedly connected to the two first rotating screws, and the rotating rod passes through the storage frame and is rotatably connected to the protective cover. Two transmission wheels are provided, and the two transmission wheels are respectively fixedly mounted on the two rotating rods. The transmission belt is transmission-connected to the two transmission wheels. The first motor is fixedly mounted on the protective cover, and the output end of the first motor passes through the protective cover and is concentrically connected to one of the rotating rods.

[0008] Furthermore, the lifting assembly includes a turntable, a rotating plate, a rotating seat and a driving assembly. There are two turntables, and the two turntables are connected to the slide rails for sliding toward each other. There are two rotating plates, and the two rotating plates are respectively rotatably mounted on the two turntables. The rotating seat is rotatably mounted on the two rotating plates. The clamping frame is fixedly connected between the two rotating seats. The driving assembly is arranged on one of the slide rails to drive the two turntables to slide toward each other.

[0009] Furthermore, the driving assembly includes a first bidirectional screw, a moving block and a second motor, the first bidirectional screw is rotatably connected to the slide rail, two moving blocks are provided, both of the two moving blocks are slidably connected to the slide rail, both of the two moving blocks are threadedly sleeved on the two first bidirectional screws, and the two moving blocks are respectively fixedly connected to the two turntables, the second motor is fixedly mounted on the slide rail, and the output end of the second motor passes through the slide rail and is concentrically connected to the first bidirectional screw.

[0010] Preferably, on the basis of the above scheme, the clamping assembly includes a fixed plate, a second bidirectional screw, a threaded plate, a clamping plate and a third motor, two fixed plates are provided, and the two fixed plates are fixedly connected to the clamping frame, the second bidirectional screw is rotatably connected between the two fixed plates, two threaded plates are provided, and the two threaded plates are threadedly sleeved on the second bidirectional screw, two clamping plates are provided, and the two clamping plates are respectively fixedly connected to the two threaded plates, and the clamping plate is slidably connected to the clamping frame, an anti-slip rubber pad is fixedly connected to the clamping plate, and the third motor is fixedly mounted on the fixed plate, and the output end of the third motor passes through the fixed plate and is concentrically connected to the second bidirectional screw.

[0011] Further on the basis of the above scheme, the sliding assembly includes a second rotating screw and a fourth motor, the second rotating screw is rotatably connected to the extension plate, and the sliding plate is threadedly sleeved on the second rotating screw, the fourth motor is fixedly mounted on the extension plate, and the output end of the fourth motor passes through the extension plate and is concentrically connected to the second rotating screw.

[0012] Further on the basis of the above scheme, the driving assembly includes a fixed frame, a driving rod, a rotating gear, a half gear and a fifth motor, the fixed frame is fixedly connected to the sliding plate, the driving rod is rotatably connected between the fixed frame and the sliding plate, the rotating gear is fixedly sleeved on the driving rod, the half gear is fixedly sleeved on the rotating shaft, and the rotating gear is meshed with the half gear, the fifth motor is fixedly mounted on the fixed frame, and the output end of the fifth motor passes through the fixed frame and is concentrically connected to the driving rod.

[0013] In summary, the present invention includes at least one of the following beneficial technical effects:

[0014] The screen middle frame glue dispensing equipment has a clamping component that clamps the carrier of the screen panel, and drives the two slide rails to slide through the sliding component to drive the carrier to move to the bottom of the glue pumping system, and drives the clamping frame to rise and fall through the lifting component. The height of the screen panel can be detected by a height measuring sensor, the sliding plate is driven to slide through the sliding component, and the rotating shaft is driven to rotate by the rotating component to adjust the position of the glue pumping system, so as to dispense glue at different positions of the screen panel. Therefore, the screen middle frame glue dispensing equipment can realize automated glue dispensing, which not only has a high glue dispensing efficiency, but also has a more accurate glue dispensing position and glue usage amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2It is a schematic diagram of the structure of the clamping frame, the column and the extension plate of the present invention;

[0017] Figure 3 It is a partial cross-sectional structural diagram of the cooperation of the storage frame, the first rotating screw rod and the threaded block of the present invention;

[0018] Figure 4 It is a schematic diagram of a partial cross-section of the structure of the cooperation of the first bidirectional screw, the moving block and the second motor of the present invention;

[0019] Figure 5 It is a schematic diagram of a partial cross-section of the structure of the extension plate, the sliding plate and the rotating shaft of the present invention;

[0020] Figure 6 This is a schematic structural diagram of another angle of the cooperation between the fixing frame, the driving rod and the rotating gear of the present invention.

[0021] In the figure: 1, machine; 2, dispensing platform; 3, slide rail; 4, clamping frame; 5, column; 6, extension plate; 7, sliding plate; 8, rotating shaft; 9, dispensing plate; 10, pump glue system; 11, height sensor; 12, storage frame; 13, first rotating screw; 14, threaded block; 15, protective cover; 16, rotating rod; 17, transmission wheel; 18, transmission belt; 19, first motor; 20, turntable; 21, rotating plate; 22, rotating seat; 23, first bidirectional screw; 24, moving block; 25, second motor; 26, fixed plate; 27, second bidirectional screw; 28, threaded plate; 29, clamping plate; 30, anti-slip rubber pad; 31, third motor; 32, second rotating screw; 33, fourth motor; 34, fixed frame; 35, driving rod; 36, rotating gear; 37, half gear; 38, fifth motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Example 1

[0025] Reference Figures 1 to 6A screen middle frame glue dispensing device includes a machine platform 1, a glue dispensing platform 2, a clamping frame 4 and a column 5. The glue dispensing platform 2 is fixedly connected to the machine platform 1, and two slide rails 3 are slidably connected to the glue dispensing platform 2. A sliding drive component for driving the two slide rails 3 to slide is provided on the glue dispensing platform 2. The sliding drive component includes a storage frame 12, a first rotating screw 13, a threaded block 14 and a linkage component. Two storage frames 12 are provided, and the two storage frames 12 are fixedly connected to the glue dispensing platform 2. Two first rotating screws 13 are provided. The movable screw rod 13 is rotatably connected to the two storage frames 12, two thread blocks 14 are provided, the two thread blocks 14 are respectively threadedly sleeved on the two first rotating screw rods 13, and the two thread blocks 14 are respectively fixedly connected to the two slide rails 3, and the linkage assembly is provided on the dispensing platform 2, and is used to simultaneously drive the two first rotating screw rods 13 to rotate, and the linkage assembly includes a protective cover 15, a rotating rod 16, a transmission wheel 17, a transmission belt 18 and a first motor 19, the protective cover 15 is fixedly connected to the dispensing platform 2, and the rotating rod 16 is provided with Two, two rotating rods 16 are fixedly connected to the two first rotating screws 13 respectively, and the rotating rod 16 passes through the storage frame 12 and is rotatably connected to the protective cover 15. Two transmission wheels 17 are provided, and the two transmission wheels 17 are fixedly sleeved on the two rotating rods 16 respectively. The transmission belt 18 is transmission-connected to the two transmission wheels 17. The first motor 19 is fixedly installed on the protective cover 15. The output end of the first motor 19 passes through the protective cover 15 and is concentrically connected to one of the rotating rods 16. The output end of the first motor 19 drives the rotating rod 16 located on one side to rotate, and the rotating rod 16 drives the transmission wheel 17 located on one side to rotate, and the transmission wheel 17 drives the transmission belt 18 to transmit, thereby driving the transmission wheel 17 and the rotating rod 16 on the other side to rotate, and the rotating rod 16 rotates to drive the first rotating screw 13 to rotate, and the first rotating screw 13 rotates to drive the threaded block 14 to move, and the threaded block 14 drives the slide rail 3 to slide, so as to facilitate the displacement of the carrier, adjust the position of the dispensing, and transport the screen panel on the carrier.

[0026] Reference Figures 1 to 6The clamping frame 4 is arranged between the two slide rails 3, and a lifting assembly for driving the clamping frame 4 to lift is arranged between the two slide rails 3. The lifting assembly includes a turntable 20, a rotating plate 21, a rotating seat 22 and a driving assembly. Two turntables 20 are provided, and the two turntables 20 are connected to the slide rails 3 by sliding toward each other. Two rotating plates 21 are provided, and the two rotating plates 21 are respectively rotatably sleeved on the two turntables 20, and the rotating seat 22 is rotatably sleeved on the two rotating plates 21. The clamping frame 4 is fixedly connected between the two rotating seats 22. The driving assembly is arranged on one of the slide rails 3 to drive the two turntables 20 to slide toward each other. The driving assembly includes a first bidirectional screw 23, a moving block 24 The second motor 25, the first bidirectional screw 23 is rotatably connected to the slide rail 3, two moving blocks 24 are provided, the two moving blocks 24 are slidably connected to the slide rail 3, the two moving blocks 24 are threadedly sleeved on the two first bidirectional screws 23, and the two moving blocks 24 are respectively fixedly connected to the two turntables 20, the second motor 25 is fixedly installed on the slide rail 3, the output end of the second motor 25 passes through the slide rail 3 and is concentrically connected to the first bidirectional screw 23, the output end of the second motor 25 drives the first bidirectional screw 23 to rotate, and the rotation of the first bidirectional screw 23 drives the two moving blocks 24 to slide toward each other, thereby driving the two turntables 20 to move toward each other, and the rotating plate 21 rotates on the turntable 20, thereby driving the rotating seat 22 to move up and down, and then driving the clamping frame 4 to lift, so as to drive the carrier to move to a suitable height. The clamping frame 4 is provided with a clamping assembly for clamping the carrier of the screen panel, and the clamping assembly includes a fixed plate 26, a second bidirectional screw 27, a threaded plate 28, a clamping plate 29 and a third motor 31. Two fixed plates 26 are provided, and the two fixed plates 26 are fixedly connected to the clamping frame 4. The second bidirectional screw 27 is rotatably connected between the two fixed plates 26. Two threaded plates 28 are provided, and the two threaded plates 28 are threadedly sleeved on the second bidirectional screw 27. The clamping plate 29 is provided with two The two clamping plates 29 are respectively fixedly connected to the two threaded plates 28, and the clamping plates 29 are slidably connected to the clamping frame 4. The clamping plates 29 are fixedly connected with anti-slip rubber pads 30 to prevent the carrier from falling off between the two clamping plates 29. The third motor 31 is fixedly installed on the fixed plate 26. The output end of the third motor 31 passes through the fixed plate 26 and is concentrically connected to the second bidirectional screw 27. The output end of the third motor 31 drives the second bidirectional screw 27 to rotate. The rotation of the second bidirectional screw 27 drives the two threaded plates 28 to move toward each other, thereby driving the two clamping plates 29 to slide toward each other, which is convenient for clamping the carrier, thereby facilitating driving the carrier to move.

[0027] Reference Figures 1 to 6The column 5 is fixedly connected to the machine table 1, and an extension plate 6 is fixedly connected to the column 5. A sliding plate 7 is slidably connected to the extension plate 6, and a sliding assembly for driving the sliding plate 7 to slide is provided on the extension plate 6. The sliding assembly includes a second rotating screw 32 and a fourth motor 33. The second rotating screw 32 is rotatably connected to the extension plate 6, and the sliding plate 7 is threadedly sleeved on the second rotating screw 32. The fourth motor 33 is fixedly installed on the extension plate 6, and the output end of the fourth motor 33 passes through the extension plate 6 and is connected to the second rotating screw. The rods 32 are concentrically connected, and the output end of the fourth motor 33 drives the second rotating screw 32 to rotate, thereby driving the sliding plate 7 to slide, and the sliding plate 7 drives the rotating shaft 8 and the dispensing plate 9 to move, so as to drive the pump glue system 10 to move. The sliding plate 7 is rotatably connected with the rotating shaft 8, and the dispensing plate 9 is fixedly connected to the rotating shaft 8. The sliding plate 7 is provided with a driving component for driving the rotating shaft 8 to rotate, and the driving component includes a fixing frame 34, a driving rod 35, a rotating gear 36, a half gear 37 and a fifth motor 38. The fixing frame 34 is fixedly connected to the sliding plate 7, the driving rod 35 is rotatably connected between the fixing frame 34 and the sliding plate 7, the rotating gear 36 is fixedly sleeved on the driving rod 35, the half gear 37 is fixedly sleeved on the rotating shaft 8, and the rotating gear 36 is meshed with the half gear 37, the fifth motor 38 is fixedly installed on the fixing frame 34, the output end of the fifth motor 38 passes through the fixing frame 34 and is concentrically connected to the driving rod 35, the output end of the fifth motor 38 drives the driving rod 35 to rotate, and the driving rod 35 drives the rotating gear 36 The rotating gear 36 drives the half gear 37 to rotate, the half gear 37 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the dispensing plate 9 to perform circular motion, so as to drive the glue pump system 10 to move, so as to facilitate the dispensing of glue at different positions of the screen panel. The glue pump system 10 is arranged on the dispensing plate 9, and the glue pump system 10 includes a hot melt glue screw valve and a glue weighing system component. The glue pump system 10 is provided with a height measuring sensor 11, and the height measuring sensor 11 accurately measures the height of the dispensing surface to ensure the consistency of the height.

[0028] Example 2

[0029] In summary, the working principle and working process of the screen frame glue dispensing equipment are as follows: when in use, the screen panel is placed on the carrier and transported to the glue dispensing platform 2. First, the output end of the second motor 25 drives the first bidirectional screw 23 to rotate, and the rotation of the first bidirectional screw 23 drives the two moving blocks 24 to slide toward each other, thereby driving the two turntables 20 to move toward each other, and the rotating plate 21 rotates on the turntable 20, thereby driving the rotating seat 22 to move downward, and then driving the clamping frame 4 to descend, and the carrier is framed by the clamping frame 4. The output end of the third motor 31 drives the second bidirectional screw 27 to rotate, and the rotation of the second bidirectional screw 27 drives the two threaded plates 28 to move toward each other, thereby driving the two clamping plates 29 to slide toward each other to clamp the carrier, and the output end of the first motor 19 drives the rotating rod 16 located on one side thereof to rotate, and the rotating rod 16 drives the transmission wheel 17 located on one side thereof to rotate, and the transmission wheel 17 drives the transmission belt 18 to transmit, thereby driving the other The transmission wheel 17 and the rotating rod 16 on the side rotate, and the rotation of the rotating rod 16 drives the first rotating screw 13 to rotate, and the rotation of the first rotating screw 13 drives the threaded block 14 to move, and the threaded block 14 drives the slide rail 3 to slide, thereby driving the carrier to move to the bottom of the glue pumping system 10, and the second motor 25 drives the clamping frame 4 to rise again. The height of the screen panel can be detected by the height measuring sensor 11, and then the second rotating screw 32 is driven to rotate by the output end of the fourth motor 33, and the sliding plate 7 is driven to slide. The sliding plate 7 drives the rotating shaft 8 and the dispensing plate 9 to move, and the output end of the fifth motor 38 drives the driving rod 35 to rotate, and the driving rod 35 drives the rotating gear 36 to rotate, and the rotating gear 36 drives the half gear 37 to rotate, and the half gear 37 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the dispensing plate 9 to perform a circular motion, thereby driving the glue pumping system 10 to move, and the glue pumping system 10 can be used to dispense glue at different positions of the screen panel.

[0030] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A screen middle frame glue dispensing device, comprising a machine platform (1), characterized in that: Also includes: A glue dispensing platform (2), the glue dispensing platform (2) is fixedly connected to the machine platform (1), and two slide rails (3) are slidably connected to the glue dispensing platform (2), and a sliding drive component for driving the two slide rails (3) to slide is provided on the glue dispensing platform (2); A clamping frame (4), the clamping frame (4) being arranged between the two slide rails (3), a lifting component for driving the clamping frame (4) to be lifted and lowered being arranged between the two slide rails (3), and a clamping component for clamping a carrier of a screen panel being arranged on the clamping frame (4); A column (5), wherein the column (5) is fixedly connected to the machine platform (1), an extension plate (6) is fixedly connected to the column (5), a sliding plate (7) is slidably connected to the extension plate (6), and a sliding component for driving the sliding plate (7) to slide is arranged on the extension plate (6), a rotating shaft (8) is rotatably connected to the sliding plate (7), a dispensing plate (9) is fixedly connected to the rotating shaft (8), a driving component for driving the rotating shaft (8) to rotate is arranged on the sliding plate (7), a dispensing plate (9) is provided with a glue pumping system (10), and a height measuring sensor (11) is arranged on the glue pumping system (10).

2. The screen middle frame glue dispensing device according to claim 1, characterized in that: The driving and sliding assembly comprises: A storage frame (12), wherein two storage frames (12) are provided, and both storage frames (12) are fixedly connected to the glue dispensing platform (2); A first rotating screw (13), wherein two first rotating screws (13) are provided, and the two first rotating screws (13) are respectively rotatably connected to the two storage frames (12); A threaded block (14), wherein two threaded blocks (14) are provided, and the two threaded blocks (14) are respectively threadedly sleeved on the two first rotating screw rods (13), and the two threaded blocks (14) are respectively fixedly connected to the two slide rails (3); A linkage assembly is arranged on the glue dispensing platform (2) and is used to simultaneously drive the two first rotating screws (13) to rotate.

3. The screen middle frame glue dispensing device according to claim 2, characterized in that: The linkage components include: A protective cover (15), wherein the protective cover (15) is fixedly connected to the glue dispensing platform (2); A rotating rod (16), wherein two rotating rods (16) are provided, and the two rotating rods (16) are respectively fixedly connected to the two first rotating screw rods (13), and the rotating rod (16) passes through the storage frame (12) and is rotatably connected to the protective cover (15); A transmission wheel (17), wherein two transmission wheels (17) are provided, and the two transmission wheels (17) are respectively fixedly sleeved on the two rotating rods (16); A transmission belt (18), wherein the transmission belt (18) is transmission-connected to the two transmission wheels (17); A first motor (19), wherein the first motor (19) is fixedly mounted on the protective cover (15), and an output end of the first motor (19) passes through the protective cover (15) and is coaxially connected to one of the rotating rods (16).

4. The screen middle frame glue dispensing device according to claim 3, characterized in that: The lifting assembly comprises: A turntable (20), wherein two turntables (20) are provided, and the two turntables (20) are connected to the slide rail (3) in a sliding manner toward each other; A rotating plate (21), wherein two rotating plates (21) are provided, and the two rotating plates (21) are rotatably sleeved on the two rotating tables (20) respectively; A rotating seat (22), wherein the rotating seat (22) is rotatably sleeved on the two rotating plates (21), and the clamping frame (4) is fixedly connected between the two rotating seats (22); A driving assembly is arranged on one of the slide rails (3) and is used to drive the two turntables (20) to slide towards each other.

5. The screen middle frame glue dispensing device according to claim 4, characterized in that: The drive assembly comprises: a first bidirectional screw (23), the first bidirectional screw (23) being rotatably connected to the slide rail (3); A moving block (24), wherein two moving blocks (24) are provided, and both of the two moving blocks (24) are slidably connected to the slide rail (3), and both of the two moving blocks (24) are threadedly sleeved on the two first bidirectional screws (23), and the two moving blocks (24) are respectively fixedly connected to the two turntables (20); A second motor (25), wherein the second motor (25) is fixedly mounted on the slide rail (3), and an output end of the second motor (25) passes through the slide rail (3) and is coaxially connected to the first bidirectional screw rod (23).

6. The screen middle frame glue dispensing device according to claim 5, characterized in that: The clamping assembly comprises: A fixing plate (26), wherein two fixing plates (26) are provided, and both fixing plates (26) are fixedly connected to the clamping frame (4); a second bidirectional screw (27), the second bidirectional screw (27) being rotatably connected between the two fixing plates (26); A threaded plate (28), wherein two threaded plates (28) are provided, and both of the two threaded plates (28) are threadedly sleeved on the second bidirectional screw (27); A clamping plate (29), wherein two clamping plates (29) are provided, and the two clamping plates (29) are respectively fixedly connected to the two threaded plates (28), and the clamping plates (29) are slidably connected to the clamping frame (4), and an anti-slip rubber pad (30) is fixedly connected to the clamping plate (29); A third motor (31), wherein the third motor (31) is fixedly mounted on the fixing plate (26), and an output end of the third motor (31) passes through the fixing plate (26) and is coaxially connected to the second bidirectional screw (27).

7. The screen middle frame glue dispensing device according to claim 6, characterized in that: The sliding assembly comprises: a second rotating screw (32), the second rotating screw (32) being rotatably connected to the extension plate (6), and the sliding plate (7) being threadably sleeved on the second rotating screw (32); A fourth motor (33), the fourth motor (33) is fixedly mounted on the extension plate (6), and an output end of the fourth motor (33) passes through the extension plate (6) and is coaxially connected to the second rotating screw (32).

8. The screen middle frame glue dispensing device according to claim 7, characterized in that: The driving assembly comprises: A fixing frame (34), wherein the fixing frame (34) is fixedly connected to the sliding plate (7); A driving rod (35), the driving rod (35) being rotatably connected between the fixing frame (34) and the sliding plate (7); A rotating gear (36), wherein the rotating gear (36) is fixedly sleeved on the driving rod (35); a half gear (37), wherein the half gear (37) is fixedly sleeved on the rotating shaft (8), and the rotating gear (36) is meshed with the half gear (37); A fifth motor (38), the fifth motor (38) is fixedly mounted on the fixing frame (34), and an output end of the fifth motor (38) passes through the fixing frame (34) and is coaxially connected to the driving rod (35).

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