Fully automatic liquid crystal display laminator and its laminating process

Abstract

The present invention belongs to the technical field of liquid crystal display production. Specifically, it relates to a fully automatic liquid crystal display laminating machine and its laminating process, including a workbench; two opposite sliding frames are slidably arranged on a guide rail frame; two upper and lower opposite support blocks are arranged on the sliding frame. A glue cylinder is connected between the two upper support blocks, and a glue cylinder is also connected between the two lower support blocks. The two glue cylinders are located between a first laminating seat and a second laminating seat. A glue pipe extending into the glue cylinder penetrates through the support block. A roller is rotatably arranged between the two upper support blocks, and a roller is also rotatably arranged between the two lower support blocks. The glue is discharged directionally and concentratedly through a glue discharge groove, and the glue is evenly coated by the rotation of the roller, avoiding the waste of the glue discharged to other positions and the impact on the working environment. In addition, the roller in the stopped rotating state will block the glue discharge groove of the glue cylinder, avoiding the outflow of the glue when the glue is not required to be coated.

Description

Technical Field

[0001] The present invention belongs to the technical field of liquid crystal display production, and more specifically, relates to a fully automatic liquid crystal display laminator and its laminating process. Background Art

[0002] In the production process of some liquid crystal displays, in order to integrate the touch function, the liquid crystal panel is laminated with the touch screen. When laminating, it is necessary to pre-apply an adhesive to the laminating surfaces of the liquid crystal panel and the touch screen, and use the adhesive to tightly laminate the liquid crystal panel and the touch screen together to enhance the display effect after light refraction.

[0003] For example, the patent with the patent application number 202310445234.6 and the application date of April 24, 2023 discloses a panel laminating device for liquid crystal display production. When laminating the liquid crystal panel and the touch screen, two rotatably arranged rollers are respectively rolled on the surfaces of the liquid crystal panel and the touch screen, and the glue is applied through the through holes on the rollers to improve the laminating effect;

[0004] However, during the rotation of the rollers, the positions of the through holes will constantly change. Therefore, the through holes that do not contact the surfaces of the liquid crystal panel and the touch screen will discharge the excess glue. In fact, not only does it cause waste of resources, but also the discharged glue is not concentrated, which further leads to a poor coating effect. In addition, after a long time, the squeezed and cured glue will also affect the working environment, which is not conducive to the normal progress of the display laminating work. Summary of the Invention

[0005] The purpose of the present invention is to overcome the above-mentioned disadvantages of the prior art and provide a fully automatic liquid crystal display laminator and its laminating process that are convenient for applying the adhesive and have a good coating effect.

[0006] In order to solve the above technical problems, the present invention provides a fully automatic liquid crystal display screen bonding machine, including a workbench, a guide rail frame connected to the upper side of the workbench, a bonding seat 1 and a bonding seat 2 located directly below the bonding seat 1 slidingly arranged on the guide rail frame, and the bonding seat 1 and the bonding seat 2 close to each other are used to install the touch screen and the liquid crystal panel respectively; a lifting drive component is provided on the workbench, and the lifting drive component drives the bonding seat 1 and the bonding seat 2 to move toward each other; two sliding frames facing each other front and back are slidably arranged on the guide rail frame, and a linear drive component is provided on the workbench, and the linear drive component drives the bonding seat 1 and the bonding seat 2 to move toward each other. The moving component drives the sliding frame to move; the sliding frame is provided with two upper and lower opposite supporting blocks, a rubber cylinder is connected between the two upper supporting blocks, a rubber cylinder is also connected between the two lower supporting blocks, the two rubber cylinders are located between the fitting seat 1 and the fitting seat 2, and a rubber hose extending into the rubber hose passes through the upper and lower supporting blocks in the front, and the rubber hose has a deformable characteristic. A roller is rotatably provided between the two upper supporting blocks, and a roller is also rotatably provided between the two lower supporting blocks. The upper roller is located on the rubber discharge groove of the upper rubber cylinder, and the lower roller is located on the rubber discharge groove of the lower rubber cylinder.

[0007] Preferably, a compression spring is also included. The support block is slidably arranged on the sliding frame. A compression spring located in the sliding frame is connected between the support block and the sliding frame. The compression spring is used to reset the support block after sliding. Two fixed racks opposite to each other up and down are connected to the front sliding frame. The front end of the drum is connected to a gear meshing with the fixed rack, and the fixed rack meshes on the right side of the gear.

[0008] Preferably, the lifting drive assembly includes a guide rod, the guide rail frame has four vertical guide rods, the four guide rods are respectively located at the four corners of the guide rail frame, the fitting seat one and the fitting seat two are connected with a sliding frame slidably arranged on the guide rod, a reset spring surrounding the guide rod is connected between the two sliding frames, the reset spring is used for resetting the sliding frame after sliding, the two sliding frames are connected with a lifting rack, the upper side of the workbench is connected with a support seat, the upper part of the support seat is rotatably provided with a rotating shaft driven to rotate by an external power source, the front end of the rotating shaft is connected with a turntable, the turntable is provided with a gear ring meshed with the lifting rack, and the two lifting racks are relatively meshed on both sides of the gear ring.

[0009] Preferably, the linear drive assembly includes a resistance frame, the rear side of the rear sliding frame is connected to the resistance frame, one side of the turntable is connected to a push-pull plate, and one end of the push-pull plate is slidably disposed on the resistance frame.

[0010] Preferably, it also includes a magnetic block, and the sliding frame is connected to two magnetic blocks for magnetically adsorbing the support block; the upper left side of the workbench is connected to a wedge frame suitable for squeezing the two hoses away from each other, and the wedge frame has an extrusion portion in the shape of an eight.

[0011] Preferably, it further includes a connecting plate. The connecting plates are connected to both of the rubber cylinders. The connecting plates are located on the sides of the rubber cylinders close to the fitting seat one and the fitting seat two. The connecting plates are provided with L-shaped support plates, and the support plates are connected with cleaning rollers adapted to pre-clean the touch screen and the liquid crystal panel before the adhesive is coated on the roller.

[0012] Preferably, it further includes a tension spring. The support plate is slidably arranged on the connecting plate, and a tension spring is connected between the support plate and the connecting plate. The highest point of the upper cleaning roller is higher than or flush with the highest point of the upper roller, and the lowest point of the lower cleaning roller is lower than or flush with the lowest point of the lower roller.

[0013] Preferably, it further includes a storage tank. A storage tank for storing a cleaning agent is connected to the workbench. A pump body is arranged inside the storage tank. The cleaning roller and the storage tank are respectively located on the left and right sides of the fitting seat two. The drainage end of the pump body is connected to two vertically opposite liquid spraying pipes through a three-way joint, and the upper and lower two liquid spraying pipes respectively correspond to the upper and lower two cleaning rollers.

[0014] Preferably, it further includes a contact switch. A contact switch adapted to be in contact and cooperate with the connecting plate is installed on the storage tank, and a controller electrically connected to the pump body is arranged inside the contact switch.

[0015] The present invention also provides such a fitting process according to the above-mentioned fully automatic liquid crystal display fitting machine, including:

[0016] S1) Install the touch screen and the liquid crystal panel to be fitted on the fitting seat one and the fitting seat two respectively, and then drive the sliding frame to drive the two rollers to move to coat the adhesive on the touch screen and the liquid crystal panel respectively;

[0017] S2) In step S1), the rubber cylinder discharges the adhesive in a directional and concentrated manner through the glue discharge groove, and the roller rotates to uniformly coat the adhesive on the touch screen and the liquid crystal panel;

[0018] S3) After the adhesive coating is completed, the fitting seat one and the fitting seat two drive the touch screen and the liquid crystal panel to be fitted together respectively, and then separate the fitting seat one and the fitting seat two.

[0019] On the basis of overcoming the shortcomings of the prior art, the beneficial effects that the present invention can achieve are:

[0020] 1. The adhesive is discharged in a directional and concentrated manner through the glue discharge groove, and the roller rotates to uniformly coat the adhesive, avoiding waste of the adhesive discharged to other positions and affecting the working environment. In addition, the roller in the stopped rotation state will block the glue discharge groove of the rubber cylinder, avoiding the outflow of the adhesive when the adhesive does not need to be coated.

[0021] 2. By utilizing the extrusion when the bonding seat 1 and the bonding seat 2 are close to each other, the roller is automatically rotated to actively apply the adhesive, which not only saves the step of relying on friction to generate power, reduces the damage to the touch screen and LCD panel caused by hard friction, but also avoids the phenomenon of being unable to apply the adhesive when the friction is poor, and can further ensure the adhesive coating effect.

[0022] 3. When the touch screen and the liquid crystal panel are brought close to each other, the roller is moved synchronously to apply the adhesive. Before applying the adhesive, the touch screen and the liquid crystal panel are pre-cleaned with a cleaning roller, and the cleaning roller is automatically sprayed with detergent each time they are laminated. The steps of cleaning, applying adhesive, laminating, and spraying detergent are interrelated and coordinated with each other, with a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an assembly schematic diagram of the present invention.

[0024] Figure 2 It is a schematic diagram of the guide rail frame and the sliding frame of the present invention.

[0025] Figure 3 It is a schematic diagram of the sliding frame, the supporting block and the rubber cylinder of the present invention.

[0026] Figure 4 It is a schematic diagram of the support block, rubber cylinder and rubber hose of the present invention.

[0027] Figure 5 Schematic diagram of the roller and gear of the present invention.

[0028] Figure 6 This is a front view of the upper glue barrel, roller and cleaning roller in the present invention.

[0029] Figure 7 It is a schematic diagram of the rear side of the present invention.

[0030] Figure 8 It is a schematic diagram of the guide rod and the return spring of the present invention.

[0031] Figure 9 It is a schematic diagram of the sliding frame, lifting rack and gear ring of the present invention.

[0032] Figure 10 It is a schematic diagram of the sliding frame, the abutment frame and the push-pull plate of the present invention.

[0033] Figure 11 The present invention is based on Figure 7 Schematic diagram of the storage tank, spray pipe and resistance switch.

[0034] Figure 12 The present invention is based on Figure 1 Schematic diagram of the working status of the fitting seat 1 and the fitting seat 2.

[0035] The reference signs in the accompanying drawings provided by the present invention are: 1 - workbench, 11 - guide rail frame, 21 - first fitting seat, 22 - second fitting seat, 23 - sliding frame, 31 - sliding frame, 32 - support block, 33 - rubber cylinder, 34 - rubber tube, 35 - roller, 41 - compression spring, 42 - fixed rack, 43 - gear, 51 - connecting plate, 52 - support plate, 53 - tension spring, 54 - cleaning roller, 55 - storage box, 56 - liquid spraying pipe, 57 - contact switch, 61 - support seat, 62 - rotating shaft, 63 - turntable, 64 - contact frame, 65 - push - pull plate, 71 - guide rod, 72 - return spring, 73 - lifting rack, 74 - toothed ring, 81 - magnet, 82 - wedge - shaped frame. Detailed implementation manners

[0036] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0037] In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It should be noted that the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0038] Fully automatic liquid crystal display laminating machine, such as Figures 1 - 4As shown, a workbench 1 is included, the upper side of the workbench 1 is connected to a guide rail frame 11, a fitting seat 1 21 and a fitting seat 22 located directly below the fitting seat 1 21 are slidably arranged on the guide rail frame 11, the sides of the fitting seat 1 21 and the fitting seat 2 22 close to each other are respectively used to install the touch screen and the liquid crystal panel, and the installation method specifically uses suction cups for adsorption; a lifting drive component is provided on the workbench 1, and the lifting drive component drives the fitting seat 1 21 and the fitting seat 2 22 to move toward each other, so that the fitting seat 1 21 and the fitting seat 2 22 can respectively drive the touch screen and the liquid crystal panel to approach each other and fit together, and this fitting method is a parallel moving fitting rather than a rotating and tilting fitting, so it can avoid the coating process. After the adhesive is applied, unevenness occurs, and being close to each other also ensures the bonding efficiency; two sliding frames 31 are slidingly arranged on the guide frame 11, and a linear driving component is arranged on the workbench 1, and the sliding frame 31 is driven by the linear driving component to move left and right; two supporting blocks 32 are arranged on the sliding frame 31, which are opposite to each other in upper and lower directions, and a rubber cylinder 33 is connected between the two upper supporting blocks 32, and a rubber cylinder 33 is also connected between the two lower supporting blocks 32, and the two rubber cylinders 33 are located between the bonding seat 1 21 and the bonding seat 2 22, so that the sliding frame 31 can drive the upper and lower rubber cylinders 33 to move right through the supporting blocks 32 to apply the adhesive to the touch screen on the bonding seat 1 21 and the bonding seat 2 22 respectively. In the liquid crystal panel on the upper, lower and upper support blocks 32 in the front are penetrated with a hose 34 extending into the rubber cylinder 33. The hose 34 has a deformable characteristic. The adhesive is externally connected to the hose 34 to be transported into the rubber cylinder 33. The two rubber cylinders 33 are provided with a discharge groove on the side away from each other. The adhesive in the rubber cylinder 33 will be discharged to the touch screen and the liquid crystal panel to be bonded through the discharge groove, so that the adhesive is more concentrated, the coating effect of the adhesive is ensured, and the adhesive is prevented from being discharged to other positions to cause waste and affect the working environment. A roller 35 is rotatably provided between the two upper support blocks 32, and a roller 35 is also rotatably provided between the two lower support blocks 32. The upper roller 35 is located at the upper rubber cylinder 3 3, the lower roller 35 is located on the glue discharge groove of the lower glue cylinder 33. When the right-moving sliding frame 31 drives the glue cylinder 33 to move right through the support block 32, the support block 32 will also drive the upper and lower rollers 35 to move right to contact the touch screen and the liquid crystal panel respectively. The roller 35 then rotates to apply the adhesive discharged from the glue discharge groove on the glue cylinder 33 to the side where the touch screen and the display screen are close to each other. Therefore, on the basis of the glue cylinder 33 discharging the adhesive in a directional and concentrated manner through the glue discharge groove, the friction rolling of the roller 35 is also used to evenly apply the adhesive. In addition, the roller 35 will also block the glue discharge groove of the glue cylinder 33 when it stops rotating, thereby preventing the adhesive from flowing out when there is no need to apply the adhesive.

[0039] like Figures 3 - 6As shown, it further includes a compression spring 41. The support block 32 is slidably arranged on the sliding frame 31. A compression spring 41 located inside the sliding frame 31 is connected between the support block 32 and the sliding frame 31. The compression spring 41 is used to reset the support block 32 after sliding. When the control lifting drive assembly drives the first fitting seat 21 and the second fitting seat 22 to drive the touch screen and the liquid crystal panel to approach each other for fitting respectively, the linear drive assembly drives the sliding frame 31 to drive the roller 35 to move rightward synchronously through the support block 32. The upper and lower rollers 35 will be respectively squeezed by the touch screen and the liquid crystal panel to approach each other. And the support block 32 will make the upper and lower rollers 35 respectively abut against the touch screen and the liquid crystal panel under the action of the compression spring 41, so as to ensure the coating effect of the adhesive and be able to adapt to the fitting operations of touch screens and display screens with different thicknesses. Two vertically opposite fixed racks 42 are connected to the front sliding frame 31. The front end of the roller 35 is connected with a gear 43 meshing with the fixed rack 42. The fixed rack 42 meshes on the right side of the gear 43. When the upper and lower rollers 35 approach each other, they will respectively drive the upper and lower gears 43 to mesh with the fixed rack 42, so that the rightward moving roller 35 rotates on the support block 32, thereby automatically making the roller 35 actively coat the adhesive. This not only omits the steps of generating power by friction, reduces the damage to the touch screen and the liquid crystal panel caused by hard friction, but also avoids the phenomenon that the adhesive cannot be coated due to poor friction, and can further ensure the coating effect of the adhesive.

[0040] As Figures 7 - 9As shown, the lifting drive assembly includes a guide rod 71, and the guide rail frame 11 has four vertical guide rods 71, and the four guide rods 71 ​​are respectively located at the four corners of the guide rail frame 11. The fitting seat 1 21 and the fitting seat 2 22 are both connected with a sliding frame 23 that is slidably arranged on the guide rod 71, and a return spring 72 surrounding the guide rod 71 is connected between the two sliding frames 23. When the fitting seat 1 21 and the fitting seat 22 are close to each other, the two sliding frames 23 will grind the guide rod 71 close to each other and squeeze the return spring 72. The return spring 72 is used for resetting the sliding frame 23 after sliding. The two sliding frames 23 are both connected with a lifting rack 73, and the upper side of the workbench 1 is connected with a support seat 61. The upper part of the support seat 61 is rotatably provided with a rotating shaft 62 driven to rotate by an external power source, and the front end of the rotating shaft 62 is connected to a turntable 63. A toothed ring 74 meshing with the lifting rack 73 is provided on 63, and the two lifting racks 73 are relatively meshed on both sides of the toothed ring 74. When it is necessary to make the bonding seat 1 21 and the bonding seat 22 respectively drive the touch screen and the liquid crystal panel to approach each other and fit together, the external power source is controlled to drive the rotating shaft 62 to drive the turntable 63 to rotate, and the turntable 63 will drive the toothed ring 74 to rotate and mesh with the two lifting racks 73. The upper lifting rack 73 will drive the bonding seat 1 21 to move downward through the upper sliding frame 23, and the lower lifting rack 73 will drive the bonding seat 22 to move upward through the lower sliding frame 23; driving the rotating shaft 62 to reverse can make the bonding seat 1 21 and the bonding seat 22 move away from each other, so that the bonding seat 1 21 and the bonding seat 22 can move toward each other synchronously only through one rotating shaft 62, and the synchronization is high.

[0041] like Figure 10 As shown, the linear drive assembly includes a resistance frame 64, the rear side of the rear sliding frame 31 is connected to the resistance frame 64, one side of the turntable 63 is connected to a push-pull plate 65, one end of the push-pull plate 65 is slidably arranged on the resistance frame 64, when the rotating shaft 62 rotates to make the bonding seat 1 21 and the bonding seat 2 22 respectively drive the touch screen and the liquid crystal panel to approach each other for bonding, the rotating shaft 62 will also drive the push-pull plate 65 to rotate through the turntable 63, and the push-pull plate 65 will squeeze the rear sliding frame 31 to move right along the guide frame 11, so that in the process of bonding the touch screen and the liquid crystal panel, the roller 35 is automatically and synchronously moved to the right to apply adhesive to the touch screen and the liquid crystal panel, the degree of automation is high, and the bonding efficiency is improved.

[0042] like Figure 1 , Figure 3 , Figure 7 and Figure 12As shown in the figure, it further includes magnetic blocks 81. Two magnetic blocks 81 for magnetically adsorbing the support blocks 32 are connected to the sliding frame 31. When the first fitting seat 21 and the second fitting seat 22 drive the touch screen and the liquid crystal panel to approach each other for fitting respectively, and the upper and lower rollers 35 approach each other, after the roller 35 moves to the right to coat the adhesive and then detaches from the touch screen and the liquid crystal panel, during the process of the upper and lower support blocks 32 approaching each other, they will be magnetically adsorbed by the magnetic blocks 81 respectively. At this time, the touch screen and the liquid crystal panel are in close contact and the fitting is completed. In this way, when the adhesive is coated and the reset is required, the roller 35 is automatically retracted. Then, the rotating shaft 62 rotates reversely. Under the meshing of the toothed ring 74 and the lifting rack 73, the first fitting seat 21 and the second fitting seat 22 move away from each other, and the first fitting seat 21 releases the touch screen. The fitted touch screen and liquid crystal panel move down with the second fitting seat 22, and when the sliding frame 31 moves leftward for reset synchronously, it will not cause the roller 35 to continue rolling on the fitted touch screen and liquid crystal panel; on the upper left side of the workbench 1, a wedge-shaped frame 82 suitable for squeezing the two rubber tubes 34 away from each other is connected. The wedge-shaped frame 82 has a squeezing part in the shape of an inverted V. When the sliding frame 31 drives the rubber cylinder 33 to move leftward for reset through the support block 32, the wedge-shaped frame 82 will squeeze the two rubber cylinders 33 to make the two rubber cylinders 33 move away from each other. At this time, the support block 32 will disengage from the magnetic block 81 and drive the rubber cylinder 33 and the roller 35 to reset under the action of the compression spring 41, so as to automatically and synchronously expand the roller 35 again after reset, which is convenient for the next adhesive coating; on the basis of improving the work efficiency by the synchronous operation of the first fitting seat 21, the second fitting seat 22 and the roller 35, it also avoids the secondary use of the roller 35 during reset.

[0043] As Figure 2 and Figure 6 shown in the figure, it further includes a connecting plate 51. Connecting plates 51 are connected to both rubber cylinders 33. The connecting plate 51 is located on the side (right side) of the rubber cylinder 33 close to the first fitting seat 21 and the second fitting seat 22. An L-shaped support plate 52 is provided on the connecting plate 51. A cleaning roller 54 suitable for pre-cleaning the touch screen and the liquid crystal panel before the roller 35 coats the adhesive is connected to the support plate 52. The cleaning roller 54 is made to stick with a cleaning agent. When the rubber cylinder 33 moves to the right, it will drive the cleaning roller 54 to move to the right through the connecting plate 51. The upper and lower cleaning rollers 54 will come into contact with the touch screen and the liquid crystal panel in advance, so as to pre-clean the tiny particles or stains that may adhere to the touch screen and the liquid crystal panel before the roller 35 coats the adhesive.

[0044] As Figure 6As shown, it further includes a tension spring 53. The support plate 52 is slidably arranged on the connecting plate 51, and a tension spring 53 is connected between the support plate 52 and the connecting plate 51. The highest point of the upper cleaning roller 54 is higher than or flush with the highest point of the upper roller 35, and the lowest point of the lower cleaning roller 54 is lower than or flush with the lowest point of the lower roller 35, so as to ensure the contact between the cleaning roller 54 and the touch screen and the liquid crystal panel; in this embodiment, the highest point of the upper cleaning roller 54 is flush with the highest point of the upper roller 35, and the lowest point of the lower cleaning roller 54 is flush with the lowest point of the lower roller 35.

[0045] As Figure 1 , Figure 7 , Figure 11 and Figure 12 shown, it further includes a storage tank 55. A storage tank 55 for storing a cleaning agent is connected to the workbench 1. A pump body is built in the storage tank 55. The cleaning roller 54 and the storage tank 55 are respectively located on the left and right sides of the fitting seat two 22. The drainage end of the pump body is connected to two vertically opposite liquid spraying pipes 56 through a three-way joint. The upper and lower two liquid spraying pipes 56 respectively correspond to the upper and lower two cleaning rollers 54. After the first fitting operation is completed, the cleaning roller 54 will move to the left of the liquid spraying pipe 56 (for example Figure 12 ), and at this time, the pump body built in the storage tank 55 is controlled to spray the cleaning agent in the cleaning tank from the liquid spraying pipe 56 onto the cleaning roller 54, so as to facilitate the next cleaning operation.

[0046] As Figure 11 and Figure 12 shown, it further includes a contact switch 57. A contact switch 57 adapted to be in contact and cooperate with the connecting plate 51 is installed on the storage tank 55. A controller electrically connected to the pump body is built in the contact switch 57. After the first fitting operation is completed, the rightward movement of the rubber cylinder 33 will drive the connecting plate 51 to move rightward to trigger the contact switch 57 (for example Figure 12 ), and the contact switch 57 will control the pump body built in the storage tank 55 through the built-in controller to spray the cleaning agent in the cleaning tank from the liquid spraying pipe 56 onto the roller 35, so as to automatically and synchronously replenish the cleaning agent on the cleaning roller 54 after the first fitting is completed. The steps of cleaning, coating the adhesive, fitting, retracting the roller 35, and spraying the cleaning agent are interrelated and cooperate with each other.

[0047] According to the bonding process of the above-mentioned fully automatic liquid crystal display bonding machine, it includes: S1) Install the touch screen and the liquid crystal panel to be bonded on the first bonding seat 21 and the second bonding seat 22 respectively, and then drive the sliding frame 31 to drive the two rollers 35 to move to coat the adhesive on the touch screen and the liquid crystal panel respectively; S2) In step S1), the glue cylinder 33 discharges the adhesive in a directional and concentrated manner through the glue discharge groove, and the roller 35 rotates to evenly coat the adhesive on the touch screen and the liquid crystal panel; S3) After the adhesive coating is completed, the first bonding seat 21 and the second bonding seat 22 drive the touch screen and the liquid crystal panel to be bonded together respectively, and then separate the first bonding seat 21 and the second bonding seat 22.

[0048] Obviously, the embodiments described above are only a part of the embodiments of the present invention, rather than all the embodiments. They only express the preferred implementation modes of the present invention, and are described in more specific and detailed terms. However, it should not be construed as a limitation to the scope of the patent of the present invention.

[0049] It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations, quantity increases or decreases, improvements and substitutions can still be made. Therefore, based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

Claims

1. Fully automatic LCD screen laminating machine, characterized by: The invention comprises a workbench (1), the workbench (1) is connected to a guide rail frame (11), a first laminating seat (21) and a second laminating seat (22) located directly below the first laminating seat (21) are slidably disposed on the guide rail frame (11), and the sides of the first laminating seat (21) and the second laminating seat (22) close to each other are used to install a touch screen and a liquid crystal panel respectively; a lifting drive component is disposed on the workbench (1), and the lifting drive component drives the first laminating seat (21) and the second laminating seat (22) to move toward each other; two sliding frames (31) are slidably disposed on the guide rail frame (11), and a linear drive component is disposed on the workbench (1), and the linear drive component drives the sliding frame (31) to move; the sliding frame (31) 1) is provided with two upper and lower supporting blocks (32) opposite to each other, a rubber cylinder (33) is connected between the two upper supporting blocks (32), and a rubber cylinder (33) is also connected between the two lower supporting blocks (32), the two rubber cylinders (33) are located between the fitting seat 1 (21) and the fitting seat 2 (22), a rubber tube (34) extends into the rubber cylinder (33) through the supporting block (32), and a rubber discharge groove is provided on the side of the two rubber cylinders (33) away from each other, a roller (35) is rotatably provided between the two upper supporting blocks (32), and a roller (35) is also rotatably provided between the two lower supporting blocks (32), and the roller (35) is located at the rubber discharge groove of the rubber cylinder (33); It also includes a compression spring (41), the support block (32) is slidably disposed on the sliding frame (31), the compression spring (41) is connected between the support block (32) and the sliding frame (31), the sliding frame (31) is connected to a fixed rack (42), and the end of the roller (35) is connected to a gear (43) meshing with the fixed rack (42); The lifting drive assembly comprises a guide rod (71), the guide rail frame (11) is provided with a vertical guide rod (71), the fitting seat 1 (21) and the fitting seat 2 (22) are both connected with a sliding frame (23) slidably arranged on the guide rod (71), a return spring (72) is connected between the two sliding frames (23), the two sliding frames (23) are both connected with a lifting rack (73), the workbench (1) is connected with a support seat (61), a rotating shaft (62) is rotatably provided on the support seat (61), a rotating disk (63) is connected to the end of the rotating shaft (62), a toothed ring (74) meshing with the lifting rack (73) is provided on the rotating disk (63), and the two lifting racks (73) are relatively meshed on both sides of the toothed ring (74); The linear drive assembly comprises a resistance frame (64), the sliding frame (31) is connected to the resistance frame (64), one side of the rotating disk (63) is connected to a push-pull plate (65), and one end of the push-pull plate (65) is slidably disposed on the resistance frame (64).

2. The fully automatic LCD screen laminating machine according to claim 1, characterized in that: It also includes a magnetic block (81), and two magnetic blocks (81) for magnetically adsorbing the support block (32) are connected to the sliding frame (31); and a wedge-shaped frame (82) suitable for squeezing the two rubber hoses (34) away from each other is connected to the upper left side of the workbench (1).

3. The fully automatic LCD screen laminating machine according to claim 2, characterized in that: The invention also comprises a connecting plate (51), the two rubber cylinders (33) are both connected to the connecting plate (51), the connecting plate (51) is located on one side of the rubber cylinder (33) close to the first laminating seat (21) and the second laminating seat (22), the connecting plate (51) is provided with a supporting plate (52), and the supporting plate (52) is connected to a cleaning roller (54) suitable for pre-cleaning the touch screen and the liquid crystal panel before the roller (35) applies the adhesive.

4. The fully automatic LCD screen laminating machine according to claim 3, characterized in that: It also includes a tension spring (53), the support plate (52) is slidably arranged on the connecting plate (51), the tension spring (53) is connected between the support plate (52) and the connecting plate (51), the highest point of the upper cleaning roller (54) is higher than or flush with the highest point of the upper roller (35), and the lowest point of the lower cleaning roller (54) is lower than or flush with the lowest point of the lower roller (35).

5. The fully automatic LCD screen laminating machine according to claim 4, characterized in that: The storage box (55) is also included. The workbench (1) is connected to the storage box (55). The storage box (55) has a built-in pump body. The cleaning roller (54) and the storage box (55) are respectively located on both sides of the second laminating seat (22). The drainage end of the pump body is connected to two opposite liquid spraying pipes (56) through a three-way joint. The two liquid spraying pipes (56) correspond to the two cleaning rollers (54) respectively.

6. The fully automatic LCD screen laminating machine according to claim 5, characterized in that: The storage box (55) also includes a resistance switch (57). The resistance switch (57) is mounted on the storage box (55) and is suitable for contacting and cooperating with the connecting plate (51). The resistance switch (57) has a built-in controller electrically connected to the pump body in the storage box (55).

7. A laminating process of a fully automatic LCD laminating machine according to any one of claims 1 to 6, characterized in that: Included are: S1) installing the touch screen and liquid crystal panel to be bonded onto bonding seat 1 (21) and bonding seat 2 (22) respectively, and then driving the sliding frame (31) to drive two rollers (35) to move and apply adhesive onto the touch screen and liquid crystal panel respectively; S2) In step S1), the adhesive cylinder (33) discharges the adhesive in a directionally and centrally manner through the adhesive discharge groove, and the roller (35) rotates to evenly apply the adhesive to the touch screen and the liquid crystal panel; S3) After the adhesive coating is completed, the bonding seat 1 (21) and the bonding seat 2 (22) respectively drive the touch screen and the liquid crystal panel to bond together, and then the bonding seat 1 (21) and the bonding seat 2 (22) are separated.

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