Panel laminating device and method for liquid crystal display screen production

Abstract

The invention relates to the technical field of display screen processing, in particular to a panel laminating device and method for liquid crystal display screen production, the panel laminating device comprises an annular plate and a placing assembly, the placing assembly is arranged in the annular plate, an annular plate is movably connected to the inner wall of the annular plate, and a support is fixed to the annular plate; the support is fixedly connected with a fixing shell, the bottom face of the fixing shell is not closed, and the interior of the fixing shell is movably connected with a mounting plate. According to the device, the multiple containing bins are arranged, the containing bins are used for containing all materials of a display screen panel, through driving of a third motor, attaching machining operation of all the materials of the panel can be completed on one loop line, automatic machining operation of panel attaching machining is achieved, and the machining efficiency is improved. And the placement bin is arranged on the basis of panel materials, so that the laminating device can adapt to processing operation of display screen panels of different specifications, and the adaptability is improved.

Description

Technical Field

[0001] The invention relates to a panel laminating device, in particular to a panel laminating device and method for producing a liquid crystal display screen. Background Art

[0002] In the field of LCD production, the panel lamination process, as the core link that determines product quality, has always attracted much attention. At present, the widely used lamination technologies in the industry mainly include two main methods: manual lamination and early automated equipment lamination.

[0003] The manual lamination method relies on the direct operation of workers. Because different workers have significantly different operating techniques, and during long-term operations, the physical and mental state of workers will change, which makes it difficult to maintain a stable and consistent force during each lamination operation. This inconsistency directly leads to a significant reduction in the accuracy of panel lamination, and it is very easy to produce bubbles and misalignment between panels, which seriously affect the display quality; early automated equipment lamination has improved the lamination efficiency to a certain extent, but as LCD screens develop in a diversified and personalized direction, the market demand for panels of different sizes and thicknesses is increasing. When responding to such diverse needs, early automated equipment exposed serious lack of adaptability, which was not conducive to increasing benefits.

[0004] Based on the above reasons, the present invention proposes a panel bonding device and method for liquid crystal display production, which can achieve efficient bonding production of panels for liquid crystal display production and improve the adaptability of the equipment. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a panel laminating device and method for producing a liquid crystal display screen.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A panel bonding device for producing liquid crystal display screens comprises an annular plate, a placing assembly is arranged inside the annular plate, a circular ring plate is movably connected to the inner wall of the annular plate, a bracket is fixed to the circular ring plate, a fixing shell is fixedly connected to the bracket, the bottom surface of the fixing shell is not closed and a mounting plate is movably connected inside, a displacement assembly is arranged on the mounting plate, a first electric push rod is fixedly connected to the bottom surface of the mounting plate near one side, a flat plate is arranged on the lower side of the first electric push rod, a negative pressure suction cup is installed on the bottom surface of the flat plate, an angle adjustment assembly is arranged between the first electric push rod and the flat plate, a steering adjustment assembly is arranged on the side wall of the circular ring plate, a plurality of placing bins are fixedly connected to the outer wall of the annular plate, and a lifting assembly is arranged in each of the placing bins.

[0008] As a preferred technical solution of the present invention, the placement component includes a rectangular frame, a connecting plate fixedly connected to the inner wall of the annular plate on the outer wall of the rectangular frame, a second electric push rod fixedly connected to the center of the four side walls of the rectangular frame, and the second electric push rod is fixedly connected to an L-shaped support plate at one end located on the inner side of the rectangular frame.

[0009] As a preferred technical solution of the present invention, the displacement assembly includes a rack, which is fixedly mounted on the top surface of the mounting plate. Two through grooves are symmetrically provided on the top surface of the fixed shell. First gears meshing with the rack are arranged in the through grooves. A first rotating shaft is fixedly connected to the center of the side wall of the first gear. A first motor is fixedly connected to one end of the first rotating shaft. Two side plates are movably connected to the first rotating shaft, and the side plates are fixedly connected to the fixed shell.

[0010] As a preferred technical solution of the present invention, the angle adjustment assembly includes a connecting frame, which is arranged in an inverted concave shape and is movably connected to the flat plate, a second motor is fixedly connected to the connecting frame, a second rotating shaft is fixedly installed on the second motor, a second gear is fixedly connected to the bottom end of the second rotating shaft, a fixed shaft is fixedly connected to the center of the top surface of the flat plate, and a third gear meshing with the second gear is fixedly connected to the top end of the fixed shaft.

[0011] As a preferred technical solution of the present invention, the steering adjustment assembly includes a third motor, the third motor is fixedly connected to the outer wall of the annular plate, a third rotating shaft is installed on the third motor, a fourth gear is fixedly connected to the top of the third rotating shaft, the top surface of the circular ring plate extends out of the annular plate and a ring gear is fixedly connected to the outer wall, and the fourth gear is meshed with the ring gear.

[0012] As a preferred technical solution of the present invention, the jacking assembly includes a placing plate, which is arranged in the inner cavity of the placing bin and has two symmetrical fixing plates fixedly connected to the side wall. A vertical groove is opened on the side wall of the placing bin, and the fixing plate passes through the vertical groove and is movably connected with a vertical rod. Both ends of the vertical rod are fixedly connected with a horizontal plate fixedly connected to the outer wall of the placing bin. A spring is sleeved on the vertical rod, and both ends of the spring are fixedly connected to the fixing plate and the horizontal plate respectively.

[0013] As a preferred technical solution of the present invention, annular slide rails are fixedly connected to the inner wall of the annular plate and the bottom surface of the connecting frame, annular grooves are opened on the outer wall of the annular plate and the top surface of the flat plate, and the annular slide rails are respectively inserted into the annular grooves and the annular slide rails are movably connected to the annular grooves.

[0014] A method for using a panel laminating device for producing a liquid crystal display screen comprises the following steps:

[0015] S1: Select and install the springs on each placement bin according to the weight of each part of the panel material, and place the panel frame, liquid crystal layer, glass substrate, polarizer, backlight module and other materials used for LCD production in each placement bin in a clockwise direction according to the order of fitting and assembly. Under the gravity of the panel material, the placement plate moves downward in the placement bin, and the spring is stretched by the fixing plate to complete the preparation of the panel material. According to the size of the panel, a negative pressure suction cup is installed at a suitable position on the bottom surface of the flat plate, and the negative pressure suction cup is connected to the external negative pressure equipment;

[0016] S2: starting the first motor, the first motor drives the first gear to rotate through the first rotating shaft, the first gear meshes with the rack to move, the rack drives the mounting plate to move inside the fixed shell, so that the flat plate moves to the upper side of the placement bin where the panel frame is placed, and the operation of the first motor is stopped;

[0017] S3: Start the first electric push rod, which drives the plate to move through the connecting frame, so that the negative pressure suction cup on the plate completes the adsorption and fixation of the panel frame, and reversely drives the first electric push rod to complete the material removal operation of the panel frame in the placement bin, and starts the first motor again, the first motor drives the first gear to rotate in the reverse direction, and the first gear meshes with the rack to move in the reverse direction, so that the mounting plate drives the first electric push rod to move to the center position of the annular plate, and the operation of the first motor is stopped;

[0018] S4: Start the first electric push rod, which drives the flat panel to move toward one side of the rectangular frame. When the panel frame is moved into the rectangular frame, start the second electric push rod, which drives the support plate to move, so that the support plate completes the positioning and clamping of the panel frame, releases the fixation of the negative pressure suction cup, and resets the first electric push rod.

[0019] S5: starting the third motor, the third motor drives the fourth gear on the third shaft to rotate clockwise, the fourth gear meshes with the ring gear to rotate, the ring gear drives the annular plate to rotate, the annular plate drives the bracket to move, the bracket drives the flat plate thereon to rotate clockwise together, when the flat plate rotates to the position of the adjacent placement bin, the rotation of the third motor is stopped;

[0020] S6: repeating the operations of the above steps S2-S4, and controlling the rotation of the second motor, the second motor drives the second gear on the second shaft to rotate, the second gear meshes with the third gear to rotate, and the third gear drives the plate to rotate, so that the panel material on the plate rotates to a position corresponding to the panel frame, so that the panel material in the adjacent placement bin can be taken and the panel material can be attached and installed on the panel frame;

[0021] S7: Repeat the operation of step S6 as many times as required by the number of panel materials, so as to realize the assembly of the panel materials layer by layer and complete the efficient production operation of the liquid crystal display screen;

[0022] S8: When the bonding of the LCD panel is completed, the second electric push rod is started, and the second electric push rod pulls the support plate to move, and the support plate moves to the side away from the center of the rectangular frame, so that the bonded LCD panel is discharged from the lower side of the rectangular frame to the LCD production line under the action of gravity, which is convenient for further processing operations.

[0023] The embodiments of the present invention provide a panel laminating device and method for producing a liquid crystal display screen, which have the following beneficial effects:

[0024] 1. The present invention is provided with a plurality of placement bins, and the placement bins are used to place various materials of the display panel. Through the drive of the third motor, the bonding processing operation of various materials on the panel can be completed on a loop line, and the automated processing operation of the panel bonding processing can be realized, which effectively improves the efficiency of the panel bonding processing. In addition, the placement bins are set based on the panel materials, so that the bonding device can adapt to the processing operation of display panels of different specifications, thereby improving adaptability.

[0025] 2. The present invention is provided with a first electric push rod and a negative pressure suction cup, and the first electric push rod is used to drive the negative pressure suction cup to move, so that the negative pressure suction cup can complete the picking operation of different panel materials, and by controlling the first electric push rod, the force control of the panel material bonding operation is realized, thereby improving the quality of the bonding process;

[0026] 3. The present invention is provided with a placement component, and the support plate is driven to move by the second electric push rod, so that the distance between the support plates can be adjusted based on the specifications of the panel, so that the bonding device can realize processing operations on display screens of different specifications, and the support plate can be used to achieve limited clamping of the panel material, thereby improving the stability and accuracy of the bonding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0028] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0029] Figure 2 It is a schematic diagram of the three-dimensional structure on the circular ring plate of the present invention;

[0030] Figure 3 It is a schematic diagram of the three-dimensional structure on the mounting plate of the present invention;

[0031] Figure 4 It is a three-dimensional structural schematic diagram of the placement component of the present invention;

[0032] Figure 5 It is a three-dimensional structural schematic diagram of the steering adjustment assembly of the present invention;

[0033] Figure 6 It is a schematic diagram of the three-dimensional structure of the placement bin of the present invention;

[0034] Figure 7 It is a three-dimensional structural schematic diagram of the jacking assembly of the present invention.

[0035] In the figure: 1, annular plate; 2, placement component; 3, circular ring plate; 4, bracket; 5, fixed shell; 6, mounting plate; 7, displacement component; 8, first electric push rod; 9, flat plate; 10, negative pressure suction cup; 11, angle adjustment component; 12, steering adjustment component; 13, placement bin; 14, lifting component; 15, rectangular frame; 16, connecting plate; 17, second electric push rod; 18, supporting plate; 19, rack; 20, first gear; 21, first rotating shaft; 22, first motor; 23, side plate; 24, connecting frame; 25, second motor; 26, second rotating shaft; 27, second gear; 28, fixed shaft; 29, third gear; 30, third motor; 31, third rotating shaft; 32, fourth gear; 33, ring gear; 34, placement plate; 35, fixed plate; 36, vertical rod; 37, horizontal plate; 38, spring; 39, annular slide rail; 40, annular groove. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0037] Example: Figure 1-7 As shown, a panel laminating device for producing a liquid crystal display screen comprises an annular plate 1, a placing assembly 2 is arranged inside the annular plate 1, the placing assembly 2 comprises a rectangular frame 15, a connecting plate 16 is fixedly connected to the outer wall of the rectangular frame 15 and is fixedly connected to the inner wall of the annular plate 1, a second electric push rod 17 is fixedly connected to the center of the four side walls of the rectangular frame 15, and a support plate 18 arranged in an L shape is fixedly connected to one end of the second electric push rod 17 located inside the rectangular frame 15;

[0038] In the technical solution of this embodiment, by starting the second electric push rod 17, the second electric push rod 17 drives the support plate 18 to move, so that the support plate 18 completes the positioning and clamping of the panel frame, which can not only improve the stability of the panel laminating process, but also realize the laminating process operation of panels of different specifications, and has good versatility;

[0039] like Figure 2 and Figure 3 As shown, a circular plate 3 is movably connected to the inner wall of the annular plate 1, a bracket 4 is fixed to the circular plate 3, a fixed shell 5 is fixedly connected to the bracket 4, the bottom surface of the fixed shell 5 is not closed and a mounting plate 6 is movably connected inside, a displacement assembly 7 is arranged on the mounting plate 6, the displacement assembly 7 includes a rack 19, the rack 19 is fixedly mounted on the top surface of the mounting plate 6, two through grooves are symmetrically provided on the top surface of the fixed shell 5, a first gear 20 meshing with the rack 19 is arranged in each of the through grooves, a first rotating shaft 21 is fixedly connected to the center of the side wall of the first gear 20, one end of the first rotating shaft 21 is fixedly connected to a first motor 22, two side plates 23 are movably connected to the first rotating shaft 21, and the side plates 23 are fixedly connected to the fixed shell 5;

[0040] In the technical solution of this embodiment, by starting the first motor 22, the first motor 22 drives the first gear 20 to rotate through the first rotating shaft 21, the first gear 20 engages the rack 19 to move, and the rack 19 drives the mounting plate 6 to move inside the fixed shell 5, so that the panel material can be taken and placed, and the operation is automated to improve the processing efficiency;

[0041] like Figure 3 As shown, a first electric push rod 8 is fixedly connected to the bottom surface of the mounting plate 6 near one side, a flat plate 9 is arranged at the lower side of the first electric push rod 8, and a negative pressure suction cup 10 is installed on the bottom surface of the flat plate 9;

[0042] In the technical solution of this embodiment, by installing negative pressure suction cups 10 at different positions on the flat plate 9, it is possible to carry out the picking operation on panel materials of different specifications, thereby improving the processing versatility, and by controlling the first electric push rod 8, it is possible to achieve precise control of the magnitude of the laminating force, thereby improving the processing quality;

[0043] like Figure 3 As shown, an angle adjustment assembly 11 is arranged between the first electric push rod 8 and the flat plate 9, and the angle adjustment assembly 11 includes a connecting frame 24, which is arranged in an inverted concave shape and is movably connected to the flat plate 9, and a second motor 25 is fixedly connected to the connecting frame 24, and a second rotating shaft 26 is fixedly installed on the second motor 25, and a second gear 27 is fixedly connected to the bottom end of the second rotating shaft 26, and a fixed shaft 28 is fixedly connected to the center of the top surface of the flat plate 9, and a third gear 29 meshing with the second gear 27 is fixedly connected to the top end of the fixed shaft 28;

[0044] In the technical solution of this embodiment, by controlling the rotation of the second motor 25, the second motor 25 drives the second gear 27 on the second rotating shaft 26 to rotate, the second gear 27 engages the third gear 29 to rotate, and the third gear 29 drives the flat plate 9 to rotate, so that the panel material on the flat plate 9 rotates to a position corresponding to the panel frame, so that the panel material in the adjacent placement bin 13 can be taken and the panel material can be fitted and installed on the panel frame, and the processing adaptability is good;

[0045] Furthermore, an annular slide rail 39 is fixedly connected to the inner wall of the annular plate 1 and the bottom surface of the connecting frame 24, and an annular groove 40 is provided on the outer wall of the annular plate 3 and the top surface of the flat plate 9. The annular slide rails 39 are respectively inserted into the annular grooves 40 and the annular slide rails 39 and the annular grooves 40 are movably connected to ensure that the annular plate 3 rotates stably in the annular plate 1, and the connecting frame 25 and the flat plate 9 rotate stably, thereby improving the accuracy of the fitting process;

[0046] like Figure 5 As shown, a steering adjustment assembly 12 is provided on the side wall of the annular plate 3, and the steering adjustment assembly 12 includes a third motor 30, and the third motor 30 is fixedly connected to the outer wall of the annular plate 1, and a third rotating shaft 31 is installed on the third motor 30, and a fourth gear 32 is fixedly connected to the top of the third rotating shaft 31, and the top surface of the annular plate 3 extends out of the annular plate 1 and a ring gear 33 is fixedly connected to the outer wall, and the fourth gear 32 is meshed with the ring gear 33;

[0047] In the technical solution of this embodiment, the third motor 30 is started, the third motor 30 drives the fourth gear 32 on the third rotating shaft 31 to rotate, the fourth gear 32 engages the ring gear 33 to rotate, the ring gear 33 drives the annular plate 3 to rotate, the annular plate 3 drives the bracket 4 to move, and the bracket 4 drives the flat plate 9 thereon to rotate together, so that the material at different positions can be taken and processed, and the processing efficiency is high;

[0048] like Figure 6 and Figure 7 As shown, a plurality of placement bins 13 are fixedly connected to the outer wall of the annular plate 1, and a lifting assembly 14 is arranged in each placement bin 13. The lifting assembly 14 includes a placement plate 34, which is arranged in the inner cavity of the placement bin 13 and fixedly connected to the side wall with two symmetrical fixing plates 35. A vertical groove is provided on the side wall of the placement bin 13, and the fixing plate 35 passes through the vertical groove and is movably connected with a vertical rod 36. Both ends of the vertical rod 36 are fixedly connected with a horizontal plate 37 fixedly connected to the outer wall of the placement bin 13. A spring 38 is sleeved on the vertical rod 36, and both ends of the spring 38 are fixedly connected to the fixing plate 35 and the horizontal plate 37 respectively;

[0049] In the technical solution of this embodiment, the placement bin 13 can be set according to the specifications of the panel material. Different panel materials can be placed through the placement bin 13, thereby improving the stability and versatility of the panel material. The springs 38 on each placement bin 13 are selected and installed according to the weight of the materials of each part of the panel. After the panel material is taken out, under the action of the spring 38, the placement plate 34 can move upward in the placement bin 13, which is convenient for material taking and production operations and has a good use effect.

[0050] A method for using a panel laminating device for producing a liquid crystal display screen comprises the following steps:

[0051] S1: Select and install the springs 38 on each placement bin 13 according to the weight of each part of the panel material, and place the panel frame, liquid crystal layer, glass substrate, polarizer, backlight module and other materials used for the production of the liquid crystal display screen in each placement bin 13 in a clockwise direction in the order of fitting and assembly. Under the gravity of the panel material, the placement plate 34 moves downward in the placement bin 13, and the spring 38 is stretched by the fixing plate 35 to complete the preparation of the panel material. According to the size of the panel, the negative pressure suction cup 10 is installed at a suitable position on the bottom surface of the flat plate 9, and the negative pressure suction cup 10 is connected to the external negative pressure equipment;

[0052] S2: Start the first motor 22, the first motor 22 drives the first gear 20 to rotate through the first rotating shaft 21, the first gear 20 engages the rack 19 to move, the rack 19 drives the mounting plate 6 to move inside the fixed shell 5, so that the flat plate 9 moves to the upper side of the placement bin 13 where the panel frame is placed, and the operation of the first motor 22 is stopped;

[0053] S3: Start the first electric push rod 8, which drives the flat plate 9 to move through the connecting frame 24, so that the negative pressure suction cup 10 on the flat plate 9 completes the adsorption and fixation of the panel frame, and reversely drives the first electric push rod 8 to complete the material removal operation of the panel frame in the placement bin 13, and starts the first motor 22 again, and the first motor 22 drives the first gear 20 to rotate in the reverse direction, and the first gear 20 engages the rack 19 to move in the reverse direction, so that the mounting plate 6 drives the first electric push rod 8 to move to the center position of the annular plate 1, and the operation of the first motor 22 is stopped;

[0054] S4: Start the first electric push rod 8, which drives the flat plate 9 to move toward the side of the rectangular frame 15. When the panel frame is moved into the rectangular frame 15, start the second electric push rod 17, which drives the support plate 18 to move, so that the support plate 18 completes the positioning and clamping of the panel frame, releases the fixation of the negative pressure suction cup 10, and resets the first electric push rod 8.

[0055] S5: Start the third motor 30, the third motor 30 drives the fourth gear 32 on the third rotating shaft 31 to rotate clockwise, the fourth gear 32 engages the ring gear 33 to rotate, the ring gear 33 drives the annular plate 3 to rotate, the annular plate 3 drives the bracket 4 to move, the bracket 4 drives the flat plate 9 thereon to rotate clockwise together, when the flat plate 9 rotates to the position of the adjacent placement bin 13, the rotation of the third motor 30 is stopped;

[0056] S6: Repeat the operations of steps S2-S4 above, and control the rotation of the second motor 25, so that the second motor 25 drives the second gear 27 on the second shaft 26 to rotate, and the second gear 27 engages with the third gear 29 to rotate, and the third gear 29 drives the flat plate 9 to rotate, so that the panel material on the flat plate 9 rotates to a position corresponding to the panel frame, so that the panel material in the adjacent placement bin 13 can be taken and the panel material can be attached and installed on the panel frame;

[0057] S7: Repeat the operation of step S6 as many times as required by the number of panel materials, so as to realize the assembly of the panel materials layer by layer and complete the efficient production operation of the liquid crystal display screen;

[0058] S8: When the bonding of the LCD panel is completed, the second electric push rod 17 is started, and the second electric push rod 17 pulls the support plate 18 to move, and the support plate 18 moves to the side away from the center of the rectangular frame 15, so that the bonded LCD panel is discharged from the lower side of the rectangular frame 15 to the LCD production line under the action of gravity, which is convenient for further processing operations.

[0059] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0060] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A panel laminating device for producing a liquid crystal display screen, comprising a ring plate (1), characterized in that: A placement component (2) is arranged inside the annular plate (1); a circular plate (3) is movably connected to the inner wall of the annular plate (1); a bracket (4) is fixed to the circular plate (3); a fixed shell (5) is fixedly connected to the bracket (4); the bottom surface of the fixed shell (5) is not closed and a mounting plate (6) is movably connected inside; a displacement component (7) is arranged on the mounting plate (6); a first electric push rod (8) is fixedly connected to the bottom surface of the mounting plate (6) near one side; a flat plate (9) is arranged on the lower side of the first electric push rod (8); a negative pressure suction cup (10) is installed on the bottom surface of the flat plate (9); an angle adjustment component (11) is arranged between the first electric push rod (8) and the flat plate (9); a steering adjustment component (12) is arranged on the side wall of the circular plate (3); a plurality of placement bins (13) are fixedly connected to the outer wall of the annular plate (1); and a lifting component (14) is arranged in each of the placement bins (13).

2. A panel bonding device for producing a liquid crystal display according to claim 1, characterized in that: The placement component (2) comprises a rectangular frame (15), the outer wall of the rectangular frame (15) is fixedly connected to a connecting plate (16) which is fixedly connected to the inner wall of the annular plate (1), the centers of the four side walls of the rectangular frame (15) are all fixedly connected to second electric push rods (17), and one end of the second electric push rod (17) located inside the rectangular frame (15) is fixedly connected to a support plate (18) arranged in an L shape.

3. A panel bonding device for producing a liquid crystal display according to claim 1, characterized in that: The displacement assembly (7) comprises a rack (19), wherein the rack (19) is fixedly mounted on the top surface of the mounting plate (6), and two through slots are symmetrically provided on the top surface of the fixed shell (5), wherein a first gear (20) meshing with the rack (19) is arranged in each of the through slots, a first rotating shaft (21) is fixedly connected to the center of the side wall of the first gear (20), and a first motor (22) is fixedly connected to one end of the first rotating shaft (21), and two side plates (23) are movably connected to the first rotating shaft (21), and the side plates (23) are fixedly connected to the fixed shell (5).

4. A panel bonding device for producing a liquid crystal display according to claim 1, characterized in that: The angle adjustment assembly (11) comprises a connecting frame (24), the connecting frame (24) is arranged in an inverted concave shape and is movably connected to the flat plate (9), a second motor (25) is fixedly connected to the connecting frame (24), a second rotating shaft (26) is fixedly mounted on the second motor (25), a second gear (27) is fixedly connected to the bottom end of the second rotating shaft (26), a fixed shaft (28) is fixedly connected to the center of the top surface of the flat plate (9), and a third gear (29) meshing with the second gear (27) is fixedly connected to the top end of the fixed shaft (28).

5. The panel bonding device for producing a liquid crystal display according to claim 1, characterized in that: The steering adjustment assembly (12) comprises a third motor (30), the third motor (30) is fixedly connected to the outer wall of the annular plate (1), a third rotating shaft (31) is mounted on the third motor (30), a fourth gear (32) is fixedly connected to the top end of the third rotating shaft (31), the top surface of the annular plate (3) extends out of the annular plate (1) and a ring gear (33) is fixedly connected to the outer wall, and the fourth gear (32) is meshed with the ring gear (33).

6. The panel bonding device for producing a liquid crystal display according to claim 1, characterized in that: The lifting assembly (14) comprises a placement plate (34), the placement plate (34) is arranged in the inner cavity of the placement bin (13) and has two symmetrical fixed plates (35) fixedly connected to the side wall, a vertical groove is opened on the side wall of the placement bin (13), the fixed plate (35) passes through the vertical groove and is movably connected to a vertical rod (36), both ends of the vertical rod (36) are fixedly connected to a horizontal plate (37) fixedly connected to the outer wall of the placement bin (13), a spring (38) is sleeved on the vertical rod (36), and both ends of the spring (38) are respectively fixedly connected to the fixed plate (35) and the horizontal plate (37).

7. A panel bonding device for producing a liquid crystal display according to claim 4, characterized in that: An annular slide rail (39) is fixedly connected to the inner wall of the annular plate (1) and the bottom surface of the connecting frame (24), and an annular groove (40) is opened on the outer wall of the circular ring plate (3) and the top surface of the flat plate (9), and the annular slide rail (39) is respectively inserted into the annular groove (40) and the annular slide rail (39) is movably connected to the annular groove (40).

8. A method for using a panel laminating device for producing a liquid crystal display according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1: Select and install the spring (38) on each placement bin (13) according to the weight of each part of the panel material, and place the panel frame, liquid crystal layer, glass substrate, polarizer, backlight module and other materials used for the production of liquid crystal display screen in each placement bin (13) in a clockwise direction according to the order of fitting and assembly, and make the placement plate (34) move downward in the placement bin (13) under the action of the gravity of the panel material, and stretch the spring (38) through the fixing plate (35), and complete the preparation of the panel material, and install the negative pressure suction cup (10) at a suitable position on the bottom surface of the flat plate (9) according to the size of the panel, and connect the negative pressure suction cup (10) to the external negative pressure equipment; S2: starting the first motor (22), the first motor (22) drives the first gear (20) to rotate via the first rotating shaft (21), the first gear (20) engages with the rack (19) to move, the rack (19) drives the mounting plate (6) to move inside the fixed shell (5), so that the flat plate (9) moves to the upper side of the placement compartment (13) where the panel frame is placed, and the operation of the first motor (22) is stopped; S3: Start the first electric push rod (8), which drives the flat plate (9) to move through the connecting frame (24), so that the negative pressure suction cup (10) on the flat plate (9) completes the adsorption and fixation of the panel frame, and reversely drives the first electric push rod (8) to complete the material removal operation of the panel frame in the placement bin (13), and starts the first motor (22) again, and the first motor (22) drives the first gear (20) to rotate in the reverse direction, and the first gear (20) engages with the rack (19) to move in the reverse direction, so that the mounting plate (6) drives the first electric push rod (8) to move to the center position of the annular plate (1), and stops the operation of the first motor (22); S4: starting the first electric push rod (8), which drives the flat plate (9) to move toward one side of the rectangular frame (15). When the panel frame is moved into the inside of the rectangular frame (15), starting the second electric push rod (17), which drives the support plate (18) to move, so that the support plate (18) completes the positioning and clamping of the panel frame, releases the fixation of the negative pressure suction cup (10), and resets the first electric push rod (8); S5: starting the third motor (30), the third motor (30) drives the fourth gear (32) on the third rotating shaft (31) to rotate clockwise, the fourth gear (32) engages with the ring gear (33) to rotate, the ring gear (33) drives the annular plate (3) to rotate, the annular plate (3) drives the bracket (4) to move, the bracket (4) drives the flat plate (9) thereon to rotate clockwise together, when the flat plate (9) rotates to the position of the adjacent placement bin (13), the rotation of the third motor (30) is stopped; S6: Repeat the operations of the above steps S2-S4, and control the rotation of the second motor (25), so that the second motor (25) drives the second gear (27) on the second rotating shaft (26) to rotate, the second gear (27) engages with the third gear (29) to rotate, and the third gear (29) drives the flat plate (9) to rotate, so that the panel material on the flat plate (9) rotates to a position corresponding to the panel frame, so that the panel material in the adjacent placement bin (13) can be taken and the panel material can be fitted and installed on the panel frame; S7: Repeat the operation of step S6 as many times as required by the number of panel materials, so as to realize the assembly of the panel materials layer by layer and complete the efficient production operation of the liquid crystal display screen; S8: When the bonding of the LCD panel is completed, the second electric push rod (17) is started, and the second electric push rod (17) pulls the support plate (18) to move, and the support plate (18) moves to the side away from the center of the rectangular frame (15), so that the LCD panel that has been bonded is discharged from the lower side of the rectangular frame (15) to the LCD production line under the action of gravity, so as to facilitate further processing operations.

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