Turnover device for liquid crystal display production line

Abstract

The utility model relates to the technical field of liquid crystal display production, in particular to a turnover device for a liquid crystal display production line. The turn-over assembly comprises two side plates, a first gear shaft and a second gear shaft are installed at the ends, arranged on the outer sides of the two side plates in a penetrating mode, of the driving shaft correspondingly, and the two ends, provided with a first threaded groove and a second threaded groove, of the adjusting rod are arranged in threaded holes formed in two second turn-over plates in a penetrating mode correspondingly. When conveyed to the position between the two side plates, a main plate enters clamping grooves formed in the two second overturning plates and the first overturning plate, a first gear shaft can be driven to rotate by half a circle anticlockwise under rotation of the first half gear shaft, and when a driving shaft rotates, the main plate overturns towards one side of a transmission leather strip through the first overturning plate and the second overturning plates; and under transmission of the second half gear shaft, the second gear shaft can be driven to rotate by half circle clockwise, then the next overturning operation can be carried out, the effect of overturning the mainboard of the liquid crystal display screen is achieved in a matched mode, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display production, in particular to a turning device used in a liquid crystal display production line. Background Art

[0002] Liquid crystal display is a color display device that stimulates liquid crystal molecules through electric current and uses electric field to control the deflection of liquid crystal molecules, thereby changing the transmittance of light source and realizing electro-optical conversion. During the production process of liquid crystal display, the front and back sides of its mainboard need to be welded, so it needs to be turned over.

[0003] A patent with announcement number CN 211254283 U discloses a flipping device for a liquid crystal display motherboard welding production line, including a production table, a flip frame is fixedly connected to the upper end of the production table, an electric cylinder is fixedly installed in the middle position of the upper end of the flip frame, the top end of the piston rod of the electric cylinder passes through the top plate of the flip frame, a first servo motor is fixedly installed in the middle position of one side of the mounting seat, the output end of the first servo motor is fixedly connected to a lead screw through a coupling, the motherboard on the conveying mechanism is clamped and fixed by a clamp block, so that the motherboard is in a suspended state, and then the rotation of the second servo motor drives the rotating shaft and the clamp block to rotate 180 degrees, thereby flipping the motherboard.

[0004] However, the existing LCD flipping device has a slow flipping speed and cannot be adjusted according to the size of the LCD mainboard, resulting in poor applicability. Therefore, in order to solve the above problems, a flipping device for a LCD production line is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and address the problems existing in the prior art, the utility model proposes a flipping device for a liquid crystal display production line.

[0006] The technical solution adopted by the utility model to solve its technical problem is: the utility model is a flip device for a liquid crystal display production line, including a flip assembly; a No. 1 conveying platform and a No. 2 conveying platform are respectively arranged on both sides of the flip assembly, the flip assembly includes two parallel side plates, a driving shaft is arranged between the two side plates, the end portions of the driving shaft that are arranged on the outer sides of the two side plates are respectively equipped with a No. 1 gear shaft and a No. 2 gear shaft, a No. 1 flip plate is installed in the middle section of the driving shaft, and the driving shaft is located on both sides of the No. 1 flip plate A No. 2 flip plate is slidably arranged respectively, and a slot is provided on the side of the two No. 2 flip plates and the No. 1 flip plate. A No. 1 motor and a No. 2 motor are respectively installed on the inner side walls of the two side plates through fixing parts. The output ends of the No. 1 motor and the No. 2 motor are respectively penetrated and arranged on the outer sides of the two side plates. A No. 1 half-toothed shaft and a No. 2 half-toothed shaft are installed. The half teeth of the No. 1 half-toothed shaft are meshed with the tooth grooves of the No. 1 gear shaft, and the half teeth of the No. 2 half-toothed shaft are meshed with the tooth grooves of the No. 2 gear shaft. A hole is penetrated and opened on the side of the No. 1 flip plate, and a The adjusting rod is located at both sides of the first flip plate and a limit plate is installed respectively, and a No. 1 thread groove and a No. 2 thread groove are respectively provided at two ends of the adjusting rod, and the thread grooves of the No. 1 thread groove and the No. 2 thread groove are opened in opposite directions, and thread holes are respectively opened at the ends of the two No. 2 flip plates, and the two ends of the adjusting rod with the No. 1 thread groove and the No. 2 thread groove are respectively penetrated and arranged in the thread holes opened in the two No. 2 flip plates, a crossbeam is horizontally installed between the two side plates, and four groups of roller shaft assemblies are evenly arranged on the crossbeam, and the roller shaft assembly includes two support rods, and the bottom ends of the two support rods are installed on the crossbeam, and a transmission shaft is rotatably installed between the top ends of the two support rods, and a rotating shaft is simultaneously penetrated on the side surfaces of the two side plates, four transmission leather strips are horizontally arranged on the rotating shaft, and the four transmission leather strips are respectively arranged on the transmission shafts in the four groups of roller shaft assemblies, and the rotating shaft is located on both sides of the four transmission leather strips and two limit rings are respectively installed, so as to achieve the effect of flipping the main board of the LCD display screen, and the flipping is faster and has a wider range of application than the traditional LCD display screen flipping device.

[0007] Preferably, the driving shaft and the side plate are perpendicular to each other, the No. 1 flip plate and the driving shaft are perpendicular to each other, the No. 1 flip plate and the No. 2 flip plate are both horizontally arranged, and the No. 1 flip plate and the No. 2 flip plate are parallel to each other, the driving directions of the No. 1 motor and the No. 2 motor are opposite, and the teeth of the No. 1 half-tooth shaft and the No. 2 half-tooth shaft are symmetrically arranged, so that the No. 1 flip plate and the No. 2 flip plate can rotate around the driving shaft so as to flip the LCD display mainboard.

[0008] Preferably, the adjusting rod is parallel to the driving shaft, the two No. 2 flip plates are respectively located on the outside of the two limit plates, rotating disks are respectively installed at both ends of the adjusting rod, and the two rotating disks are respectively located on the outside of the two No. 2 flip plates, and the crossbeam is parallel to the driving shaft, which cooperates to achieve the effect of adjusting the distance between the No. 2 flip plates, and can be suitable for flipping over LCD mainboards of different sizes.

[0009] Preferably, the transmission shaft is parallel to the driving shaft, the transmission direction of the transmission leather strip is perpendicular to the driving shaft, and parallel to the second flip plate, so as to achieve the function of conveying the LCD screen motherboard, so as to move the flipped LCD screen motherboard out of the card slot.

[0010] Preferably, the four transmission leather strips are cross-staggered with the two No. 2 flip plates and the No. 1 flip plate, and a No. 3 motor is installed on the outer side of the two side plates through fixings, and the output shaft of the No. 3 motor is installed at the end of the rotating shaft, so as to achieve a driving effect to drive the transmission belt to operate.

[0011] Preferably, the transmission strap is located between the drive shaft and the No. 1 conveying platform, the drive shaft is located between the transmission strap and the No. 2 conveying platform, the upper surface of the No. 2 conveying platform is flush with the opening of the card slot, and the upper surface of the transmission strap is flush with the upper surface of the No. 1 conveying platform, thereby achieving the function of conveying the LCD display motherboard.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model enters the card slots defined by the two No. 2 flip plates and the No. 1 flip plate when the mainboard is transported between the two side plates, and the No. 1 half-toothed shaft rotates, which drives the No. 1 toothed shaft to rotate half a circle counterclockwise. When the driving shaft rotates, it will flip toward the side of the transmission leather strip through the No. 1 flip plate and the No. 2 flip plate, and then the mainboard of the LCD screen will be turned over. Under the transportation of the transmission leather strip, the mainboard located in the card slot will be transported to the No. 1 conveying platform, and the No. 2 half-toothed shaft will drive the No. 2 toothed shaft to rotate half a circle clockwise, and then the next flipping operation can be carried out. When the adjusting rod rotates, it drives the two No. 2 flip plates to move inward or outward at the same time, and then adjusts the distance between the two No. 2 flip plates and the No. 1 flip plate, so as to achieve the effect of flipping the mainboard of the LCD screen. Compared with the traditional LCD screen flipping device, the flipping is faster and has a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 is a schematic diagram of a first three-dimensional structure;

[0016] Figure 2 It is an enlarged schematic diagram of the main structure of the flip assembly;

[0017] Figure 3 This is an enlarged schematic diagram of the main structure of the flip drive assembly;

[0018] Figure 4 It is an enlarged schematic diagram of the structure of the half-tooth drive assembly;

[0019] Figure 5 This is an enlarged schematic diagram of area A in the main structure diagram of the half-tooth drive component;

[0020] Figure 6 It is a cross-sectional enlarged schematic diagram of the main structure of the roller assembly;

[0021] Figure 7 It is an enlarged schematic diagram of area B in the cross-section diagram of the main structure of the roller assembly.

[0022] In the figure: 1. flip assembly; 2. conveying platform No. 1; 3. conveying platform No. 2; 4. side plate; 5. drive shaft; 6. gear shaft No. 1; 7. gear shaft No. 2; 8. flip plate No. 1; 9. flip plate No. 2; 10. slot; 11. motor No. 1; 12. motor No. 2; 13. half gear shaft No. 1; 14. half gear shaft No. 2; 15. adjustment rod; 16. limit plate; 17. thread groove No. 1; 18. thread groove No. 2; 19. rotating disk; 20. crossbeam; 21. support rod; 22. transmission shaft; 23. rotating shaft; 24. transmission leather strip; 25. limit ring; 26. motor No. 3. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-7As shown, a flipping device for a liquid crystal display production line includes a flipping assembly 1; a No. 1 conveying platform 2 and a No. 2 conveying platform 3 are respectively arranged on both sides of the flipping assembly 1, the flipping assembly 1 includes two parallel side panels 4, a driving shaft 5 is penetrated between the two side panels 4, the driving shaft 5 is penetrated and arranged at the ends of the two side panels 4 on the outer sides, respectively installed with a No. 1 gear shaft 6 and a No. 2 gear shaft 7, a No. 1 flip plate 8 is installed in the middle section of the driving shaft 5, and a No. 2 flip plate 9 is slidably arranged on both sides of the driving shaft 5 on the No. 1 flip plate 8, and the sides of the two No. 2 flip plates 9 and the No. 1 flip plate 8 are both provided with a card slot 10, and a No. 1 motor 11 and a No. 2 motor 12 are respectively installed on the inner side walls of the two side panels 4 through fixing parts, The output ends of the No. 1 motor 11 and the No. 2 motor 12 are respectively penetrated and arranged on the outer sides of the two side plates 4, and the No. 1 half-toothed shaft 13 and the No. 2 half-toothed shaft 14 are installed. The half teeth of the No. 1 half-toothed shaft 13 are meshed with the tooth grooves of the No. 1 toothed shaft 6, and the half teeth of the No. 2 half-toothed shaft 14 are meshed with the tooth grooves of the No. 2 toothed shaft 7. A hole is penetrated through the side of the No. 1 flip plate 8, and an adjusting rod 15 is rotatably arranged in the hole. The adjusting rod 15 is located on both sides of the No. 1 flip plate 8 and limit plates 16 are respectively installed. The two ends of the adjusting rod 15 are respectively provided with a No. 1 thread groove 17 and a No. 2 thread groove 18, and the thread grooves of the No. 1 thread groove 17 and the No. 2 thread groove 18 are opened in opposite directions. The ends of the two No. 2 flip plates 9 are respectively provided with threaded holes, and the adjusting rod 15 is provided with a No. 1 thread groove 17 and a No. 2 thread groove 18, and the two ends thereof are respectively penetrated and arranged in the threaded holes provided in the two No. 2 flip plates 9, a crossbeam 20 is horizontally installed between the two side plates 4, and four groups of roller shaft assemblies are evenly arranged on the crossbeam 20, and the roller shaft assembly includes two support rods 21, and the bottom ends of the two support rods 21 are installed on the crossbeam 20, and a transmission shaft 22 is rotatably installed between the top ends of the two support rods 21, and a rotating shaft 23 is simultaneously penetrated and arranged on the side surfaces of the two side plates 4, and four transmission leather strips 24 are horizontally arranged on the rotating shaft 23, and the four transmission leather strips 24 are respectively arranged on the transmission shaft 22 in the four groups of roller shaft assemblies, and the rotating shaft 23 is located on both sides of the four transmission leather strips 24 and two limiters are respectively installed Ring 25, the driving shaft 5 and the side plate 4 are perpendicular to each other, the No. 1 flip plate 8 and the driving shaft 5 are perpendicular to each other, the No. 1 flip plate 8 and the No. 2 flip plate 9 are both horizontally arranged, and the No. 1 flip plate 8 and the No. 2 flip plate 9 are parallel to each other, the driving directions of the No. 1 motor 11 and the No. 2 motor 12 are opposite, and the teeth of the No. 1 half gear shaft 13 and the No. 2 half gear shaft 14 are symmetrically arranged, the adjusting rod 15 and the driving shaft 5 are parallel to each other, the two No. 2 flip plates 9 are respectively located on the outside of the two limit plates 16, the two ends of the adjusting rod 15 are respectively installed with rotating disks 19, and the two rotating disks 19 are respectively located on the outside of the two No. 2 flip plates 9, the crossbeam 20 and the driving shaft 5 are parallel to each other, and the transmission shaft 22 and the driving shaft 5 are parallel to each other,The transmission direction of the transmission strip 24 is perpendicular to the driving shaft 5 and parallel to the No. 2 flip plate 9. The four transmission strips 24 are arranged in a cross-staggered manner with the two No. 2 flip plates 9 and the No. 1 flip plate 8. The No. 3 motor 26 is installed on the outer side of the two side plates 4 through a fixing member, and the output shaft of the No. 3 motor 26 is installed at the end of the rotating shaft 23. The transmission strip 24 is located between the driving shaft 5 and the No. 1 conveying platform 2, and the driving shaft 5 is located between the transmission strip 24 and the No. 2 conveying platform 3. The upper surface of the No. 2 conveying platform 3 is flush with the opening of the card slot 10, and the upper surface of the transmission strip 24 is flush with the upper surface of the No. 1 conveying platform 2.

[0025] During operation, the existing LCD flipping device has a slow flipping speed and cannot be adjusted according to the size of the LCD mainboard, resulting in poor applicability. In this solution, the LCD mainboard is placed on the No. 2 conveying platform 3 and conveyed to the flip assembly 1. When the mainboard is conveyed between the two side plates 4, it will enter the card slot 10 opened by the two No. 2 flip plates 9 and the No. 1 flip plate 8, and the No. 1 motor 11 and the No. 2 motor 12 are controlled to operate. When the No. 1 motor 11 is running, it will drive the No. 1 semi-toothed shaft 13 to rotate, and when the No. 2 motor 12 is running, it will drive the No. 2 semi-toothed shaft 14 to rotate, and the semi-teeth of the No. 1 semi-toothed shaft 13 and the teeth of the No. 1 gear shaft 6 are meshed with each other, and the semi-teeth of the No. 2 semi-toothed shaft 14 and the teeth of the No. 2 gear shaft 7 are meshed with each other. The first and second half gear shafts 13 and 14 rotate in opposite directions. The first and second half gear shafts 13 rotate in the opposite direction. The first gear shaft 6 rotates counterclockwise for half a circle. At this time, the LCD screen mainboard is located in the card slot 10 provided by the two second flip plates 9 and the first flip plate 8. When the drive shaft 5 rotates, it will flip to the transmission strip 24 side through the first flip plate 8 and the second flip plate 9, and then turn the LCD screen mainboard over. The flipped mainboard will fall on the transmission strip 24, and the third motor 26 will be controlled to operate at the same time. When the third motor 26 operates, it will drive the rotating shaft 23 to rotate. When the rotating shaft 23 rotates, it will drive the four transmission strips 24 to operate and transport. The four transmission strips 24 are mutually connected with the two second flip plates 9 and the first flip plate 8. The first flip plate 8 and the second flip plate 9 are arranged in a staggered manner. Under the drive of the driving shaft 5, the first flip plate 8 and the second flip plate 9 are driven to flip the main board of the LCD screen, and the flip plate 8 and the second flip plate 9 will fall on the transmission strip 24. Under the transportation of the transmission strip 24, the main board in the card slot 10 will be transported to the first conveying platform 2. After the main board is moved out of the card slot 10 under the transportation of the transmission strip 24, the second half-toothed shaft 14 will mesh with the second gear shaft 7. Under the transmission of the second half-toothed shaft 14, the second gear shaft 7 will be driven to rotate half a circle clockwise, and then the first flip plate 8 and the two second flip plates 9 on the driving shaft 5 will be flipped back to the side close to the second conveying platform 3. At this time, the next flipping operation can be carried out, thereby achieving the effect of flipping. When it needs to be adjusted, it can be suitable for LCDs of different sizes. When the display screen main board is turned over, by rotating the rotating disk 19, the rotating disk 19 will drive the adjusting rod 15 to rotate in the hole of the No. 1 flip plate 8, and the No. 1 thread groove 17 and the No. 2 thread groove 18 at both ends of the adjusting rod 15 are opened in opposite directions, so that when the adjusting rod 15 is rotated, the No. 1 thread groove 17 and the No. 2 thread groove 18 drive the two No. 2 flip plates 9 to move inward or outward at the same time, thereby adjusting the distance between the two No. 2 flip plates 9 and the No. 1 flip plate 8, so that the two No. 2 flip plates 9 and the No. 1 flip plate 8 can turn over LCD screen main boards of different sizes, and the cooperation achieves the effect of turning over the LCD screen main board. Compared with the traditional LCD screen turning device, the turning is faster and has a wider range of applications.

[0026] Working principle: by placing the LCD screen mainboard on the No. 2 conveying platform 3 and conveying it to the flip assembly 1, when the mainboard is conveyed between the two side plates 4, it will enter the card slot 10 opened by the two No. 2 flip plates 9 and the No. 1 flip plate 8, and at the same time control the No. 1 motor 11 and the No. 2 motor 12 to operate, when the No. 1 motor 11 operates, it will drive the No. 1 semi-gear shaft 13 to rotate, and when the No. 2 motor 12 operates, it will drive the No. 2 semi-gear shaft 14 to rotate, and the semi-teeth of the No. 1 semi-teeth shaft 13 and the teeth of the No. 1 gear shaft 6 are meshed with each other, and the semi-teeth of the No. 2 semi-teeth shaft 14 and the teeth of the No. 2 gear shaft 7 are meshed with each other, and the rotation directions of the No. 1 semi-teeth shaft 13 and the No. 2 semi-teeth shaft 14 are opposite, and under the rotation of the No. 1 semi-teeth shaft 13, The first gear shaft 6 is driven to rotate half a circle counterclockwise, and at this time the LCD screen mainboard is located in the card slot 10 opened by the two second flip plates 9 and the first flip plate 8. When the driving shaft 5 rotates, it will flip to the side of the transmission strip 24 through the first flip plate 8 and the second flip plate 9, and then turn the LCD screen mainboard over, and the flipped mainboard will fall on the transmission strip 24, and at the same time control the operation of the third motor 26. When the third motor 26 is running, it will drive the rotating shaft 23 to rotate, and when the rotating shaft 23 rotates, it will drive the four transmission strips 24 to operate and transport, and the four transmission strips 24 and the two second flip plates 9 and the first flip plate 8 are arranged in a staggered manner with each other, and the first flip plate 8 is driven by the driving shaft 5 to rotate with After the No. 2 flip plate 9 flips the LCD screen mainboard, it will fall on the transmission strip 24, and the mainboard in the card slot 10 will be transported to the No. 1 conveying platform 2 under the transportation of the transmission strip 24. After the mainboard is moved out of the card slot 10 under the transportation of the transmission strip 24, the No. 2 half-toothed shaft 14 will mesh with the No. 2 toothed shaft 7, and the No. 2 half-toothed shaft 14 will drive the No. 2 toothed shaft 7 to rotate half a circle clockwise under the transmission of the No. 2 half-toothed shaft 14, and then the No. 1 flip plate 8 and the two No. 2 flip plates 9 on the drive shaft 5 will be flipped back to the side close to the No. 2 conveying platform 3 again. At this time, the next flipping operation can be carried out, thereby achieving the effect of flipping. When it is necessary to adjust the flipping of LCD screen mainboards of different sizes, the rotary The turntable 19 drives the adjusting rod 15 to rotate in the hole of the No. 1 flip plate 8 when the rotating disk 19 rotates, and the No. 1 thread groove 17 and the No. 2 thread groove 18 at both ends of the adjusting rod 15 are opened in opposite directions, so that when the adjusting rod 15 rotates, the No. 1 thread groove 17 and the No. 2 thread groove 18 drive the two No. 2 flip plates 9 to move inward or outward at the same time, thereby adjusting the distance between the two No. 2 flip plates 9 and the No. 1 flip plate 8, so that the two No. 2 flip plates 9 and the No. 1 flip plate 8 can flip over LCD mainboards of different sizes, and the cooperation achieves the effect of flipping the LCD mainboard. Compared with the traditional LCD flipping device, the flipping is faster and has a wider range of applications.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A flipping device for a liquid crystal display production line, characterized in that: The invention comprises a flip assembly (1); a first conveying platform (2) and a second conveying platform (3) are respectively arranged on both sides of the flip assembly (1); the flip assembly (1) comprises two parallel side plates (4); a driving shaft (5) is arranged between the two side plates (4); a first gear shaft (6) and a second gear shaft (7) are respectively arranged at the ends of the driving shaft (5) arranged on the outer sides of the two side plates (4); a first flip plate (8) is arranged at the middle section of the driving shaft (5); a second flip plate (9) is respectively arranged on both sides of the driving shaft (5) to slide; the two second flip plates (9) are connected to the first flip plate (8) in a sliding manner; The side of the plate (8) is provided with a slot (10), and the inner side walls of the two side plates (4) are respectively installed with a first motor (11) and a second motor (12) through fixing parts. The output ends of the first motor (11) and the second motor (12) are respectively penetrated and arranged on the outer sides of the two side plates (4) to install a first half gear shaft (13) and a second half gear shaft (14). The half teeth of the first half gear shaft (13) are meshed with the tooth grooves of the first gear shaft (6), and the half teeth of the second half gear shaft (14) are meshed with the tooth grooves of the second gear shaft (7). The side of the first flip plate (8) is penetrated with a hole, and an adjustment rod (15) is rotatably arranged in the hole. ), the adjusting rod (15) is located on both sides of the first flip plate (8) and a limit plate (16) is installed respectively, and the two ends of the adjusting rod (15) are respectively provided with a first thread groove (17) and a second thread groove (18), and the thread grooves of the first thread groove (17) and the second thread groove (18) are opened in opposite directions, and the ends of the two second flip plates (9) are respectively provided with threaded holes, and the ends of the adjusting rod (15) provided with the first thread groove (17) and the second thread groove (18) are respectively penetrated and arranged in the threaded holes opened in the two second flip plates (9), and a cross beam (20) is horizontally installed between the two side plates (4), and the cross beam (20) is installed horizontally ... Four groups of roller assemblies are evenly arranged on the beam (20), and the roller assemblies include two support rods (21), and the bottom ends of the two support rods (21) are installed on the beam (20), and a transmission shaft (22) is rotatably installed between the top ends of the two support rods (21), and a rotating shaft (23) is simultaneously penetrated through the sides of the two side plates (4), and four transmission leather strips (24) are horizontally arranged on the rotating shaft (23), and the four transmission leather strips (24) are respectively arranged on the transmission shaft (22) in the four groups of roller assemblies, and two limit rings (25) are respectively installed on both sides of the rotating shaft (23) located on the four transmission leather strips (24).

2. The flipping device for a liquid crystal display production line according to claim 1, characterized in that: The driving shaft (5) and the side plate (4) are perpendicular to each other, the first flip plate (8) and the driving shaft (5) are perpendicular to each other, the first flip plate (8) and the second flip plate (9) are both arranged horizontally, and the first flip plate (8) and the second flip plate (9) are parallel to each other, the driving directions of the first motor (11) and the second motor (12) are opposite, and the teeth of the first half gear shaft (13) and the second half gear shaft (14) are arranged bilaterally symmetrically.

3. The flipping device for a liquid crystal display production line according to claim 1, characterized in that: The adjusting rod (15) and the driving shaft (5) are parallel to each other, the two No. 2 flip plates (9) are respectively located outside the two limit plates (16), rotating disks (19) are respectively installed at both ends of the adjusting rod (15), and the two rotating disks (19) are respectively located outside the two No. 2 flip plates (9), and the crossbeam (20) and the driving shaft (5) are parallel to each other.

4. The flipping device for a liquid crystal display production line according to claim 1, characterized in that: The transmission shaft (22) and the drive shaft (5) are parallel to each other, and the transmission direction of the transmission belt (24) is perpendicular to the drive shaft (5) and parallel to the second flip plate (9).

5. The turning device for a liquid crystal display production line according to claim 1, characterized in that: The four transmission leather strips (24) are arranged in a cross-staggered manner with the two No. 2 flip plates (9) and the No. 1 flip plate (8), and a No. 3 motor (26) is installed on the outer sides of the two side plates (4) through a fixing member, and the output shaft of the No. 3 motor (26) is installed at the end of the rotating shaft (23).

6. The turning device for a liquid crystal display production line according to claim 5, characterized in that: The transmission belt (24) is located between the drive shaft (5) and the first conveying platform (2), the drive shaft (5) is located between the transmission belt (24) and the second conveying platform (3), the upper surface of the second conveying platform (3) is flush with the opening of the slot (10), and the upper surface of the transmission belt (24) is flush with the upper surface of the first conveying platform (2).

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