Polarizer attaching device and attaching method

Abstract

The invention discloses a polaroid attaching device and an attaching method. The attaching device comprises a rack body, a horizontal driving mechanism, a substrate supporting mechanism, an adsorption turnover mechanism and a pressing roller mechanism. The substrate supporting mechanism comprises a substrate supporting assembly, an electromagnet assembly, a magnetic supporting assembly and a pressing supporting side edge. The attaching method comprises the steps that overturning is conducted through the adsorption overturning mechanism, the upper surface of the substrate is covered with the adsorbed polaroid, the horizontal driving mechanism drives the substrate supporting mechanism to move horizontally, the electromagnet assembly pushes the magnetic supporting assembly to move upwards through magnetic force, and the substrate supporting mechanism and the downward pressing roller mechanism are matched for rolling and pressing the polaroid and the substrate. The pressure is gradually increased through the gradual upward movement of the magnetic supporting assembly and the rolling action of the downward pressing roller mechanism, the problems of indentation and edge warping at the initial downward pressing position are avoided, and meanwhile the attaching flatness and optical performance are further improved through the dynamic adjusting function of the magnetic supporting assembly.

Description

Technical Field

[0001] The present application relates to the technical field of polarizer attachment, and in particular to a polarizer attachment device and attachment method. Background Art

[0002] Existing polarizer attaching devices usually adopt a rolling attachment method, that is, after the polarizer is initially attached to the glass display substrate, the polarizer is rolled by a roller mechanism so that the polarizer is tightly attached to the glass display substrate to achieve good bonding effect and optical performance; however, since the initial position of the roller mechanism is usually set at the center or edge of the polarizer, when the roller mechanism is directly pressed down on the polarizer, it is easy to cause indentation or warping, thereby affecting the flatness of the polarizer, and further affecting the optical performance and display quality of the polarizer. Summary of the invention

[0003] In order to improve the defects of the existing polarizer attaching device that easily cause indentation or warping when the roller mechanism of the polarizer is pressed down, the present application provides a polarizer attaching device and an attaching method.

[0004] The present application provides a polarizer attachment device and attachment method using the following technical solutions: A polarizer attaching device comprises a frame body, a horizontal driving mechanism connected to the frame body, a substrate supporting mechanism movably arranged on the frame body and connected to the horizontal driving mechanism, an adsorption flipping mechanism connected to the frame body and located above the side end of the substrate supporting mechanism, and a lower pressing roller mechanism rotatably connected to the end of the adsorption flipping mechanism; the horizontal driving mechanism is used to drive the substrate supporting mechanism to move in the horizontal direction, and the adsorption flipping mechanism is used to adsorb the polarizer; The substrate support mechanism comprises a substrate support assembly connected to the output end of the horizontal driving mechanism, an electromagnet assembly inserted in the substrate support assembly and fixedly connected to the substrate support assembly, a magnetic support assembly movably inserted in the substrate support assembly along the vertical direction and located above the electromagnet assembly, and a pressing support side edge connected to the substrate support assembly and located on the peripheral side of the magnetic support assembly; the electromagnet assembly and the magnetic support assembly are arranged to repel each other magnetically; the magnetic support assembly is used to support the substrate; The adsorption flipping mechanism is used to flip in the direction facing the magnetic support assembly so that the polarizer covers the upper surface of the substrate of the magnetic support assembly. The lower pressure roller mechanism is pressed together with the pressing support side. The horizontal driving mechanism drives the substrate support mechanism to move in the direction away from the adsorption flipping mechanism. The electromagnet assembly is used to push the magnetic support assembly to move upward. The lower pressure roller mechanism rolls and presses the polarizer and substrate on the magnetic support assembly. The magnetic support assembly cooperates with the lower pressure roller mechanism to gradually increase the pressing force.

[0005] By adopting the above technical solution, during the attachment process of the polarizer, the adsorption flipping mechanism is used to flip along the direction facing the magnetic support assembly, so that the adsorbed polarizer is covered on the upper surface of the substrate, and the pressing support side edge is used to press and support the pressing roller mechanism, and the horizontal driving mechanism drives the substrate support mechanism to move in the direction away from the adsorption flipping mechanism, and at the same time, the electromagnet assembly pushes the magnetic support assembly to move upward through magnetic force, driving the polarizer and the substrate to move up in the direction extending out of the pressing support side edge; the substrate support mechanism and the pressing roller mechanism cooperate to roll and press the polarizer and the substrate, and the present application realizes a gradual increase in pressure through the gradual upward movement of the magnetic support assembly and the rolling action of the pressing roller mechanism, thereby avoiding the problems of indentation and warping at the initial pressing position, and at the same time utilizes the dynamic adjustment function of the magnetic support assembly to further improve the flatness and optical performance of the attachment.

[0006] Preferably, the substrate support assembly is provided with a substrate support groove for inserting the electromagnet assembly and the magnetic support assembly; the electromagnet assembly is inserted at the bottom of the substrate support groove and fixedly connected to the substrate support assembly, and the magnetic support assembly is movably inserted in the substrate support groove and is used to move up and down along the opening direction of the substrate support groove.

[0007] By adopting the above technical scheme, the substrate support groove is used to provide structural support for the electromagnet assembly and to provide movement space for the magnetic support assembly; the electromagnet assembly is fixedly inserted at the bottom of the substrate support groove, and is used to promote the movement of the magnetic support assembly through magnetic force; the magnetic support assembly is movably inserted in the substrate support groove, and when the electromagnet assembly applies a repulsive magnetic force, the magnetic support assembly is forced to move upward; the repulsive magnetic force between the electromagnet assembly and the magnetic support assembly of the present application not only enables the magnetic support assembly to provide support for the substrate, but also dynamically adjusts the support height during the pressing process of the lower pressure roller mechanism, and cooperates with the lower pressure roller mechanism to achieve the effect of gradually increasing pressure; the present application improves the stability and reliability of the support system through the precise positioning of the substrate support groove and the dynamic adjustment of the electromagnetic force, and can also effectively avoid deformation or deviation of the substrate during the attachment process, thereby ensuring the flatness and optical performance of the polarizer attachment, while reducing mechanical wear and improving the service life and attachment quality of the device.

[0008] Preferably, the magnetic support assembly includes a substrate support bottom plate movably inserted in the substrate support groove, a permanent magnet component connected to the lower side wall of the substrate support bottom plate, a substrate adsorption component connected to the upper side wall of the substrate support bottom plate, and a substrate pressure sensor arranged between the substrate adsorption component and the substrate support bottom plate and electrically connected to the electromagnet assembly.

[0009] By adopting the above technical solution, the permanent magnet component is fixedly connected to the lower side wall of the substrate support bottom plate, and cooperates with the electromagnet assembly below through magnetic repulsion, so that the substrate support bottom plate generates an upward buoyancy under the action of the electromagnet assembly; the substrate adsorption component is connected to the upper side wall of the substrate support bottom plate, and is used to fix the substrate by vacuum adsorption to ensure that the substrate remains stable during the attachment process; the substrate pressure sensor is arranged between the substrate adsorption component and the substrate support bottom plate and is electrically connected to the electromagnet assembly, and is used to detect the pressure on the substrate support bottom plate in real time and feed it back to the electromagnet assembly, so that the electromagnet assembly dynamically adjusts the magnetic force according to the pressure data, and realizes precise control of the substrate support height and stability; The magnetic support assembly of the present application can not only provide flexible up and down movement function under the action of electromagnetic force, but also ensure the accuracy of the position of the substrate and the precise adjustment of the pressure during the attachment process through the fixing effect of the substrate adsorption component and the real-time feedback of the substrate pressure sensor, thereby avoiding the problem of poor attachment of the polarizer, reducing the wear of the mechanical system, and improving the attachment quality and the working efficiency of the device.

[0010] Preferably, the substrate support assembly is also provided with a substrate guide groove connected to the substrate support groove, the substrate support mechanism also includes a guide column inserted in the substrate guide groove and fixedly connected to the substrate support assembly, and the substrate support bottom plate is provided with a guide support protrusion slidably inserted in the substrate guide groove and movably sleeved on the outer wall of the guide column.

[0011] By adopting the above technical scheme, the substrate guide groove is used to limit the moving path of the substrate support base plate and provide stable guiding support; the guide column is inserted into the substrate guide groove and fixedly connected to the substrate support assembly, and the outer wall of the guide column provides constraint and guidance for the movement of the substrate support base plate; the guide support convex edge ensures that the substrate support base plate can achieve smooth up and down movement along the substrate guide groove through sliding cooperation with the guide column; the combination of the guide column and the substrate guide groove further improves the stability of the movement of the substrate support base plate, and avoids the substrate support base plate from tilting or shifting when moving up and down; through the above design, the substrate support mechanism realizes highly precise guiding and support, and the cooperation between the guide column and the guide support convex edge not only improves the overall movement stability of the magnetic support assembly, but also ensures that the substrate can always remain stable and accurately positioned during the polarizer attachment process, avoiding attachment deviations caused by uneven movement or shaking.

[0012] Preferably, the clamping support side edge includes an inclined top pressing slope connected to the substrate support assembly and located at both ends of the magnetic support assembly, and a limiting support side edge connected to the substrate support assembly and located on both sides of the magnetic support assembly, the inclined top pressing slope and the limiting support side edge are connected end to end in sequence and are arranged around the open end of the substrate support groove.

[0013] By adopting the above technical scheme, the inclined top pressing slope and the limit support side are connected end to end to form a complete limiting frame, which can not only cooperate with the top pressing of the lower pressing roller mechanism to limit the moving distance of the lower pressing roller mechanism and prevent the lower pressing roller mechanism from directly pressing down on the polarizer to cause indentation on the polarizer, but also gradually guide the upward movement of the magnetic support assembly when the magnetic support assembly moves upward under the magnetic force of the electromagnet assembly, so that the magnetic support assembly always maintains precise support and a smooth movement trajectory during the dynamic adjustment process.

[0014] Preferably, the adsorption flip mechanism comprises a flip support frame fixedly connected to the frame body, a flip swing assembly hinged to the flip support frame, a flip drive assembly provided at a hinged position between the flip support frame and the flip swing assembly, and a vacuum adsorption assembly connected to the flip swing assembly and used for adsorbing the polarizer; The output end of the flip driving assembly is connected to the flip swing assembly, and the flip swing assembly is used to drive the flip swing assembly to flip in a direction close to or away from the magnetic support assembly with the hinge position with the flip support frame as the rotation axis; the lower pressure roller mechanism is rotationally connected to the end of the flip swing assembly away from the flip support frame.

[0015] By adopting the above technical scheme, the flip drive assembly is used to provide a rotational driving force for the flip swing assembly, so that the flip swing assembly can realize a flipping action in the direction of approaching or moving away from the magnetic support assembly with the hinge position as the axis; the vacuum adsorption assembly is connected to the lower side of the flip swing assembly, and is used to stably fix the polarizer by vacuum adsorption, and move the polarizer to the top of the magnetic support assembly under the drive of the flip swing assembly; the pressing roller mechanism is arranged at the end of the flip swing assembly away from the flip support frame by a rotational connection, so that the pressing roller mechanism can cooperate with the magnetic support assembly to complete the pressing and attachment of the polarizer and the substrate after the flip swing assembly completes the flipping; the present application realizes the smooth rotation movement of the flip swing assembly through the precise control of the flip drive assembly, and combines the reliable adsorption function of the vacuum adsorption assembly on the polarizer, and the pressing effect of the pressing roller mechanism during the attachment process, to ensure that the polarizer can be accurately positioned and evenly attached to the surface of the substrate, thereby further improving the accuracy and efficiency of the attachment.

[0016] Preferably, the downward pressure roller mechanism includes a roller supporting assembly connected to the end of the flipping and swinging assembly, a roller connecting seat inserted in the roller supporting assembly, a roller assembly located between the two roller connecting seats, a rotating drive assembly connected to the roller connecting seat, and a roller pressure sensor located between the roller supporting assembly and the roller connecting seat and electrically connected to the rotating drive assembly; one end of the roller assembly is eccentrically connected to the roller connecting seat for rotation, and the other end of the roller assembly is eccentrically connected to the output end of the rotating drive assembly.

[0017] By adopting the above technical solution, one end of the roller assembly is rotatably connected to the roller connecting seat by an eccentric manner, and the other end is connected to the output end of the rotary drive assembly by an eccentric connection, so that stable eccentric rotation is achieved under the drive of the rotary drive assembly; the roller pressure sensor is arranged between the roller support assembly and the roller connecting seat, and is electrically connected to the rotary drive assembly, for real-time detection of the pressure applied by the roller assembly and feedback of the data to the rotary drive assembly, thereby realizing dynamic adjustment of the pressure of the roller assembly; through the eccentric connection mode, the roller assembly can provide uniform rolling pressure during the rotary drive process, and at the same time, combined with the precise pressure monitoring of the roller pressure sensor, ensure that the pressure applied by the roller assembly to the polarizer and the substrate during the attachment process is always within an appropriate range; the present application enables the roller assembly to perform flexible eccentric rotational movement through the stable support of the roller support assembly and the precise control of the rotary drive assembly, thereby realizing uniform compression and attachment of the polarizer under the cooperation of the horizontal movement of the substrate support mechanism, effectively avoiding the problems of indentation and warping, and at the same time, combined with the real-time feedback function of the roller pressure sensor, further improving the accuracy and consistency of the attachment process, thereby significantly improving the attachment quality and production efficiency of the overall device.

[0018] Preferably, the roller assembly includes a roller body whose ends are eccentrically connected to the roller connecting seat and the output end of the rotary drive assembly respectively, and a clamping rotating sleeve which is sleeved on the circumference of the roller body and rotatably connected to the roller body; the clamping rotating sleeve is used to rotate relative to the roller body.

[0019] By adopting the above technical scheme, the pressing rotating sleeve is sleeved on the circumferential side of the roller body and is rotatably connected to the roller body, so that the pressing rotating sleeve can rotate relatively independently when the roller body rotates; the application enables the pressing rotating sleeve to rotate relative to the roller body when it contacts the surface of the polarizer, thereby effectively reducing the friction and surface damage generated during the rolling pressing process; the roller body of the application provides a uniform rolling pressing force for the pressing rotating sleeve through its eccentric rotation characteristics, and combined with the rotation function of the pressing rotating sleeve, the efficient attachment of the polarizer is achieved with the cooperation of the horizontal movement of the substrate support mechanism, and the damage to the polarizer caused by indentation and sliding friction is avoided during the rolling process, thereby improving the attachment quality.

[0020] Preferably, the horizontal driving mechanism includes a push-pull driving assembly fixedly connected to the frame body, and a supporting sliding rail fixedly connected to the frame body and slidably connected to the substrate supporting assembly, the output end of the push-pull driving assembly is connected to the substrate supporting assembly, and the push-pull driving assembly is used to drive the substrate supporting assembly to slide along the length direction of the supporting sliding rail.

[0021] By adopting the above technical solution, the supporting sliding track is slidably connected to the substrate supporting assembly, providing precise guiding support for the movement of the substrate supporting assembly; driven by the push-pull driving assembly, the substrate supporting assembly slides along the length direction of the supporting sliding track to complete the precise movement from the initial attachment position of the polarizer to the terminal position; the present application improves the accuracy and stability of the horizontal movement of the substrate supporting assembly through the cooperation of the push-pull driving assembly and the supporting sliding track, thereby improving the attachment quality of the polarizer and the overall operating efficiency of the device.

[0022] A polarizer attaching method, comprising the polarizer attaching device described above, further comprising the following steps: S1: The adsorption flip mechanism sucks the polarizer tightly and places the substrate on the magnetic support assembly; S2: The adsorption flipping mechanism flips in a direction facing the magnetic support assembly, so that the polarizer covers the upper surface of the substrate of the magnetic support assembly, and the lower pressing roller mechanism is pressed together with the pressing support side edge; S3: the horizontal driving mechanism drives the substrate supporting mechanism to move in a direction away from the adsorption flipping mechanism; S4: the current of the electromagnet assembly increases, the repulsive magnetic force between the electromagnet assembly and the magnetic support assembly increases, the electromagnet assembly pushes the magnetic support assembly to move upward synchronously, and the polarizer moves in the direction of extending out from the pressing support side edge; S5: the pressing roller mechanism gradually rolls and presses the polarizer and the substrate on the magnetic support assembly from the head end of the substrate, and the magnetic support assembly cooperates with the pressing roller mechanism to gradually increase the pressing force; S6: When the pressing roller mechanism moves to the rear end of the polarizer and the substrate, the current of the electromagnet assembly decreases, the repulsive magnetic force between the electromagnet assembly and the magnetic support assembly decreases, the magnetic support assembly moves downward in a direction close to the electromagnet assembly, and the polarizer and the substrate move downward; S7: the horizontal driving mechanism drives the substrate supporting mechanism to move in a direction close to the adsorption flipping mechanism; S8: the current of the electromagnet assembly increases, the repulsive magnetic force between the electromagnet assembly and the magnetic support assembly increases, and the electromagnet assembly pushes the magnetic support assembly to move upward synchronously; S9: The pressing roller mechanism gradually rolls and presses the polarizer and the substrate on the magnetic support assembly from the rear end of the substrate, and the magnetic support assembly cooperates with the pressing roller mechanism to gradually increase the pressing force.

[0023] By adopting the above technical solution, the adsorption flipping mechanism sucks the polarizer and flips it, and covers the polarizer on the upper surface of the substrate. The horizontal driving mechanism drives the substrate support mechanism to move, and the electromagnet assembly is energized to increase the repulsive magnetic force, pushing the magnetic support assembly to move upward, providing support for the substrate and the polarizer, and cooperating with the pressing roller mechanism to achieve gradual rolling and attachment; when the pressing roller mechanism completes the rolling from the head end to the tail end, the electromagnet assembly weakens the magnetic force, and the magnetic support assembly moves downward to complete the adjustment; then the horizontal driving mechanism moves the substrate support mechanism in the opposite direction, and at the same time, the electromagnet assembly increases the magnetic force again to push the magnetic support assembly upward, and the pressing roller mechanism gradually rolls from the tail end to the head end of the substrate to achieve compaction and complete attachment; the present application utilizes the precise flipping positioning of the adsorption flipping mechanism, the dynamic repulsive adjustment of the electromagnet assembly and the magnetic support assembly, the gradual rolling and attachment of the pressing roller mechanism, and the synchronous movement and coordination of the horizontal driving mechanism, which not only effectively avoids the indentation and warping of the polarizer during the attachment process, but also ensures the high precision and stability of the attachment, thereby improving the overall production efficiency and optical performance.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. A polarizer attaching device, in the process of attaching the polarizer, the adsorption flipping mechanism is used to flip in the direction facing the magnetic support assembly, so that the adsorbed polarizer is covered on the upper surface of the substrate, the pressing support side edge is used to press the support lower pressing roller mechanism, the horizontal driving mechanism drives the substrate support mechanism to move in the direction away from the adsorption flipping mechanism, and at the same time, the electromagnet assembly pushes the magnetic support assembly to move upward through the magnetic force, driving the polarizer and the substrate to move upward in the direction extending out of the pressing support side edge; the substrate support mechanism and the lower pressing roller mechanism cooperate to roll and press the polarizer and the substrate, the application realizes the gradual increase of pressure through the gradual upward movement of the magnetic support assembly and the rolling action of the lower pressing roller mechanism, thereby avoiding the problems of indentation and warping at the initial pressing position, and at the same time, the dynamic adjustment function of the magnetic support assembly is utilized to further improve the flatness and optical performance of the attachment; 2. A polarizer attaching device, through an eccentric connection mode, the roller assembly can provide uniform rolling pressure during the rotation drive process, and at the same time, combined with the precise pressure monitoring of the roller pressure sensor, ensure that the pressure applied by the roller assembly to the polarizer and the substrate during the attachment process is always within an appropriate range; the present application enables the roller assembly to perform flexible eccentric rotational movement through the stable support of the roller support assembly and the precise control of the rotation drive assembly, thereby achieving uniform compression and attachment of the polarizer under the cooperation of the horizontal movement of the substrate support mechanism, effectively avoiding the problems of indentation and warping, and at the same time, combined with the real-time feedback function of the roller pressure sensor, further improving the accuracy and consistency of the attachment process, thereby significantly improving the attachment quality and production efficiency of the overall device; 3. A method for attaching a polarizer, wherein an adsorption flipping mechanism sucks the polarizer and flips it, and covers the polarizer on the upper surface of the substrate, and a horizontal driving mechanism drives the substrate supporting mechanism to move, and the electromagnet assembly is energized to increase the repulsive magnetic force, and pushes the magnetic supporting assembly to move upward to provide support for the substrate and the polarizer, and cooperates with the pressing roller mechanism to achieve gradual rolling and attachment; when the pressing roller mechanism completes the rolling from the head end to the tail end, the electromagnet assembly weakens the magnetic force, and the magnetic supporting assembly moves downward to complete the adjustment; then the horizontal driving mechanism moves the substrate supporting mechanism in the opposite direction, and at the same time, the electromagnet assembly increases the magnetic force again to push the magnetic supporting assembly upward, and the pressing roller mechanism gradually rolls from the tail end to the head end of the substrate to achieve compaction and complete attachment; the present application utilizes the precise flipping positioning of the adsorption flipping mechanism, the dynamic repulsive adjustment of the electromagnet assembly and the magnetic supporting assembly, the gradual rolling and attachment of the pressing roller mechanism, and the synchronous movement and coordination of the horizontal driving mechanism, which not only effectively avoids the indentation and warping of the polarizer during the attachment process, but also ensures the high precision and stability of the attachment, thereby improving the overall production efficiency and optical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a cross-sectional view of a polarizer attachment device embodiment of the present application. Figure 1 .

[0026] Figure 2 for Figure 1 Enlarged view of part A.

[0027] Figure 3 This is a cross-sectional view of a polarizer attachment device embodiment of the present application. Figure 2 .

[0028] Figure 4 It is a schematic diagram of the exploded structure of an embodiment of a polarizer attaching device of the present application.

[0029] Figure 5 It is a schematic diagram of the steps of a polarizer attachment method embodiment of the present application.

[0030] Description of reference numerals: 1. Rack body; 2. Horizontal drive mechanism; 21. Push-pull drive assembly; 22. Support sliding rail; 3. Substrate support mechanism; 31. Substrate support assembly; 32. Electromagnet assembly; 33. Magnetic support assembly; 34. Pressing support side edge; 35. Guide column; 311. Substrate support groove; 312. Substrate guide groove; 331. Substrate support bottom plate; 332. Permanent magnet component; 333. Substrate adsorption component; 334. Substrate pressure sensor; 335. Guide support convex edge; 341. Inclined top pressure slope; 342. Limiting support side edge; 3331. Adsorption support plate; 3332. Substrate vacuum pump; 3333. Substrate vacuum adsorption hole; 4. Adsorption and flipping mechanism; 41. Flipping support frame; 42. Flipping swing assembly; 43. Flipping drive assembly; 44. Vacuum adsorption assembly; 441. Adsorption bottom plate; 442. Polarizer vacuum pump; 443. Polarizer vacuum adsorption hole; 5. Pressing roller mechanism; 51. Roller supporting assembly; 52. Roller connecting seat; 53. Roller assembly; 54. Rotating drive assembly; 55. Roller pressure sensor; 531. Roller body; 532. Pressing rotating sleeve. DETAILED DESCRIPTION

[0031] The following is combined with Figures 1 to 5 This application is described in further detail.

[0032] The present application discloses a polarizer attaching device and attaching method. Figure 1 A polarizer attaching device comprises a frame body 1, a horizontal driving mechanism 2 connected to the frame body 1, a substrate supporting mechanism 3 movably arranged on the frame body 1 and connected to the horizontal driving mechanism 2, an adsorption flipping mechanism 4 connected to the frame body 1 and located above the side end of the substrate supporting mechanism 3, and a lower pressing roller mechanism 5 rotatably connected to the end of the adsorption flipping mechanism 4; the horizontal driving mechanism 2 is used to drive the substrate supporting mechanism 3 to move in the horizontal direction, and the adsorption flipping mechanism 4 is used to adsorb the polarizer; The substrate support mechanism 3 includes a substrate support assembly 31 connected to the output end of the horizontal driving mechanism 2, an electromagnet assembly 32 inserted in the substrate support assembly 31 and fixedly connected to the substrate support assembly 31, a magnetic support assembly 33 movably inserted in the substrate support assembly 31 along the vertical direction and located above the electromagnet assembly 32, and a pressing support side edge 34 connected to the substrate support assembly 31 and located on the periphery of the magnetic support assembly 33; the electromagnet assembly 32 and the magnetic support assembly 33 are arranged to repel each other magnetically; the magnetic support assembly 33 is used to support the substrate; The adsorption flipping mechanism 4 is used to flip in the direction facing the magnetic support assembly 33, so that the polarizer covers the upper surface of the substrate of the magnetic support assembly 33, the lower pressing roller mechanism 5 is pressed together with the pressing support side edge 34, and the horizontal driving mechanism 2 drives the substrate support mechanism 3 to move in the direction away from the adsorption flipping mechanism 4. The electromagnet assembly 32 is used to push the magnetic support assembly 33 to move upward, and the lower pressing roller mechanism 5 rolls and presses the polarizer and substrate on the magnetic support assembly 33. The magnetic support assembly 33 cooperates with the lower pressing roller mechanism 5 to gradually increase the pressing force.

[0033] In the present application, during the attachment process of the polarizer, the adsorption flipping mechanism 4 is used to flip in the direction facing the magnetic support assembly 33, so that the adsorbed polarizer is covered on the upper surface of the substrate, and the pressing support side edge 34 is used to press and support the pressing roller mechanism 5, and the horizontal driving mechanism 2 drives the substrate support mechanism 3 to move in the direction away from the adsorption flipping mechanism 4, and at the same time, the electromagnet assembly 32 pushes the magnetic support assembly 33 to move upward through the magnetic force, driving the polarizer and the substrate to move up in the direction extending out of the pressing support side edge 34; the substrate support mechanism 3 and the pressing roller mechanism 5 cooperate to roll and press the polarizer and the substrate, and the present application realizes the gradual increase of pressure through the gradual upward movement of the magnetic support assembly 33 and the rolling action of the pressing roller mechanism 5, thereby avoiding the problems of indentation and warping at the initial pressing position, and at the same time, the dynamic adjustment function of the magnetic support assembly 33 is utilized to further improve the flatness and optical performance of the attachment; The substrate is preferably a glass display substrate.

[0034] Furthermore, if Figure 2 As shown, the substrate support assembly 31 is provided with a substrate support groove 311 for inserting the power magnet assembly 32 and the magnetic support assembly 33; the electromagnet assembly 32 is inserted at the bottom of the substrate support groove 311 and is fixedly connected to the substrate support assembly 31, and the magnetic support assembly 33 is movably inserted in the substrate support groove 311 and is used to move up and down along the opening direction of the substrate support groove 311.

[0035] The substrate support groove 311 of the present application is used to provide structural support for the electromagnet assembly 32 and to provide movement space for the magnetic support assembly 33; the electromagnet assembly 32 is fixedly inserted at the bottom of the substrate support groove 311, and is used to promote the movement of the magnetic support assembly 33 through magnetic force; the magnetic support assembly 33 is movably inserted in the substrate support groove 311, and when the electromagnet assembly 32 applies a repulsive magnetic force, the magnetic support assembly 33 is forced to move upward; the repulsive magnetic force between the electromagnet assembly 32 and the magnetic support assembly 33 of the present application not only enables the magnetic support assembly 33 to provide support for the substrate, but also dynamically adjusts the support height during the pressing process of the lower pressing roller mechanism 5, and cooperates with the lower pressing roller mechanism 5 to achieve the effect of gradually increasing pressure; the present application improves the stability and reliability of the support system through the precise positioning of the substrate support groove 311 and the dynamic adjustment of the electromagnetic force, and can also effectively avoid deformation or deviation of the substrate during the attachment process, thereby ensuring the flatness and optical performance of the polarizer attachment, while reducing mechanical wear and improving the service life and attachment quality of the device.

[0036] Furthermore, if Figure 2 As shown, the magnetic support assembly 33 includes a substrate support bottom plate 331 movably inserted in the substrate support groove 311, a permanent magnet component 332 connected to the lower side wall of the substrate support bottom plate 331, a substrate adsorption component 333 connected to the upper side wall of the substrate support bottom plate 331, and a substrate pressure sensor 334 arranged between the substrate adsorption component 333 and the substrate support bottom plate 331 and electrically connected to the electromagnet assembly 32.

[0037] The permanent magnet component 332 of the present application is fixedly connected to the lower side wall of the substrate support bottom plate 331, and cooperates with the electromagnet assembly 32 below through magnetic repulsion, so that the substrate support bottom plate 331 generates an upward buoyancy under the action of the electromagnet assembly 32; the substrate adsorption component 333 is connected to the upper side wall of the substrate support bottom plate 331, and is used to fix the substrate by vacuum adsorption to ensure that the substrate remains stable during the attachment process; the substrate pressure sensor 334 is arranged between the substrate adsorption component 333 and the substrate support bottom plate 331 and is electrically connected to the electromagnet assembly 32, and is used to detect the pressure on the substrate support bottom plate 331 in real time and feed it back to the electromagnet assembly 32, so that the electromagnet assembly 32 dynamically adjusts the magnetic force according to the pressure data, and realizes precise control of the substrate support height and stability; The magnetic support assembly 33 of the present application can not only provide a flexible up and down movement function under the action of electromagnetic force, but also ensure the accuracy of the position of the substrate and the precise adjustment of the pressure during the attachment process through the fixing effect of the substrate adsorption component 333 and the real-time feedback of the substrate pressure sensor 334, thereby avoiding the problem of poor attachment of the polarizer, reducing the wear of the mechanical system, and improving the attachment quality and the working efficiency of the device; The substrate pressure sensor 334 of the present application is preferably a pressure sensor, the permanent magnet component 332 is preferably a permanent magnet, and the electromagnet assembly 32 is electrically connected to an external power supply.

[0038] like Figure 2 and Figure 3 As shown, the present application also discloses that the substrate adsorption component 333 includes an adsorption support plate 3331 connected to the substrate support bottom plate 331, and a substrate vacuum pump 3332 connected to the frame body 1, and the adsorption support plate 3331 is provided with substrate vacuum adsorption holes 3333 connected to the substrate vacuum pump 3332, and the substrate vacuum adsorption holes 3333 are arranged in an array along the surface of the adsorption support plate 3331.

[0039] Specifically, Figure 3 and Figure 4 As shown, the substrate support assembly 31 is also provided with a substrate guide groove 312 connected to the substrate support groove 311, the substrate support mechanism 3 also includes a guide column 35 inserted in the substrate guide groove 312 and fixedly connected to the substrate support assembly 31, and the substrate support bottom plate 331 is provided with a guide support protrusion 335 which is slidably inserted in the substrate guide groove 312 and movably sleeved on the outer wall of the guide column 35.

[0040] The substrate guide groove 312 of the present application is used to limit the moving path of the substrate support base plate 331 and provide stable guiding support; the guide column 35 is inserted into the substrate guide groove 312 and fixedly connected to the substrate support assembly 31, and the outer wall of the guide column 35 provides constraint and guidance for the movement of the substrate support base plate 331; the guide support protrusion 335 ensures that the substrate support base plate 331 can move up and down smoothly along the substrate guide groove 312 by sliding cooperation with the guide column 35; the combination of the guide column 35 and the substrate guide groove 312 further improves the stability of the movement of the substrate support base plate 331, and avoids the substrate support base plate 331 from tilting or shifting when moving up and down; through the above design, the substrate support mechanism 3 realizes highly precise guiding and support, and the cooperation between the guide column 35 and the guide support protrusion 335 not only improves the overall movement stability of the magnetic support assembly 33, but also ensures that the substrate can always remain stable and accurately positioned during the polarizer attachment process, avoiding attachment deviations caused by uneven movement or shaking.

[0041] More specifically, if Figure 4 As shown, the clamping support side edge 34 includes an inclined top pressing slope 341 connected to the substrate support assembly 31 and located at both ends of the magnetic support assembly 33, and a limiting support side edge 342 connected to the substrate support assembly 31 and located on both sides of the magnetic support assembly 33. The inclined top pressing slope 341 and the limiting support side edge 342 are connected end to end in sequence and are arranged around the open end of the substrate support groove 311.

[0042] The inclined pressing slope 341 and the limiting support side edge 342 of the present application are connected end to end to form a complete limiting frame, which can not only cooperate with the pressing roller mechanism 5 to limit the moving distance of the pressing roller mechanism 5 and prevent the pressing roller mechanism 5 from directly pressing down on the polarizer to cause indentation on the polarizer, but also gradually guide the upward movement of the magnetic support component 33 when the magnetic support component 33 moves upward under the magnetic force of the electromagnet component 32, so that the magnetic support component 33 always maintains precise support and a smooth movement trajectory during the dynamic adjustment process.

[0043] In addition, if Figures 2 to 4 As shown, the adsorption flip mechanism 4 includes a flip support frame 41 fixedly connected to the frame body 1, a flip swing assembly 42 hinged to the flip support frame 41, a flip driving assembly 43 provided at a hinged position between the flip support frame 41 and the flip swing assembly 42, and a vacuum adsorption assembly 44 connected to the flip swing assembly 42 and used for adsorbing the polarizer; The output end of the flip driving assembly 43 is connected to the flip swing assembly 42, and the flip swing assembly 42 is used to drive the flip swing assembly 42 to flip in the direction close to or away from the magnetic support assembly 33 with the hinge position with the flip support frame 41 as the rotation axis; the lower pressure roller mechanism 5 is rotationally connected to the end of the flip swing assembly 42 away from the flip support frame 41.

[0044] The flip driving assembly 43 of the present application is used to provide a rotational driving force for the flip swing assembly 42, so that the flip swing assembly 42 can realize a flipping action in a direction close to or away from the magnetic support assembly 33 with the hinge position as the axis; the vacuum adsorption assembly 44 is connected to the lower side of the flip swing assembly 42, and is used to stably fix the polarizer by vacuum adsorption, and move the polarizer to the top of the magnetic support assembly 33 under the drive of the flip swing assembly 42; the lower pressing roller mechanism 5 is arranged at the end of the flip swing assembly 42 away from the flip support frame 41 by a rotational connection, so that the lower pressing roller mechanism 5 can cooperate with the magnetic support assembly 33 to complete the pressing and attaching of the polarizer and the substrate after the flip swing assembly 42 completes the flipping; The present application realizes the smooth rotation movement of the flip swing component 42 through the precise control of the flip driving component 43, and combines the reliable adsorption function of the vacuum adsorption component 44 on the polarizer, and the pressing effect of the lower pressing roller mechanism 5 during the attachment process, to ensure that the polarizer can be accurately positioned and evenly attached to the substrate surface, further improving the attachment accuracy and efficiency; The flip driving component 43 of the present application is preferably a motor.

[0045] like Figure 2 and Figure 3As shown, the present application also discloses that the vacuum adsorption assembly 44 includes an adsorption base plate 441 connected to the flip and swing assembly 42, and a polarizer vacuum pump 442 connected to the adsorption base plate 441, and the adsorption base plate 441 is provided with polarizer vacuum adsorption holes 443 connected to the polarizer vacuum pump 442, and the polarizer vacuum adsorption holes 443 are arranged in an array along the surface of the adsorption base plate 441; when the adsorption base plate 441 moves the polarizer to above the substrate, the polarizer vacuum pump 442 stops, and the polarizer falls and adheres to the substrate.

[0046] And, if Figure 4 As shown, the pressing roller mechanism 5 includes a roller supporting assembly 51 connected to the end of the flipping and swinging assembly 42, a roller connecting seat 52 inserted in the roller supporting assembly 51, a roller assembly 53 located between the two roller connecting seats 52, a rotating driving assembly 54 connected to the roller connecting seat 52, and a roller pressure sensor 55 located between the roller supporting assembly 51 and the roller connecting seat 52 and electrically connected to the rotating driving assembly 54; one end of the roller assembly 53 is eccentrically connected to the roller connecting seat 52 for rotation, and the other end of the roller assembly 53 is eccentrically connected to the output end of the rotating driving assembly 54.

[0047] One end of the roller assembly 53 of the present application is rotationally connected to the roller connecting seat 52 in an eccentric manner, and the other end is connected to the output end of the rotary drive assembly 54 through an eccentric connection, so that stable eccentric rotation is achieved under the drive of the rotary drive assembly 54; the roller pressure sensor 55 is arranged between the roller support assembly 51 and the roller connecting seat 52, and is electrically connected to the rotary drive assembly 54, and is used to detect the pressure applied by the roller assembly 53 in real time and feed back the data to the rotary drive assembly 54, so as to achieve dynamic adjustment of the pressure of the roller assembly 53; through the eccentric connection, the roller assembly 53 can provide uniform rolling pressure during the rotary drive process, and at the same time, combined with the precise pressure monitoring of the roller pressure sensor 55, it is ensured that the pressure applied by the roller assembly 53 to the polarizer and the substrate during the attachment process is always within an appropriate range; The present application enables the roller assembly 53 to perform flexible eccentric rotational motion through the stable support of the roller support assembly 51 and the precise control of the rotation drive assembly 54, thereby realizing uniform pressing and attaching of the polarizer under the cooperation of the horizontal movement of the substrate support mechanism 3, effectively avoiding the problems of indentation and warping, and at the same time, combined with the real-time feedback function of the roller pressure sensor 55, further improving the accuracy and consistency of the attachment process, thereby significantly improving the attachment quality and production efficiency of the overall device; The rotary drive component 54 of the present application is preferably a motor, and the roller pressure sensor 55 is preferably a pressure sensor.

[0048] Furthermore, if Figure 2 and Figure 4As shown, the roller assembly 53 includes a roller body 531 whose ends are eccentrically connected to the roller connecting seat 52 and the output end of the rotating drive assembly 54, and a clamping rotating sleeve 532 which is sleeved on the circumference of the roller body 531 and rotatably connected to the roller body 531; the clamping rotating sleeve 532 is used to rotate relative to the roller body 531.

[0049] The compacting rotating sleeve 532 of the present application is sleeved on the circumferential side of the roller body 531 and is rotatably connected to the roller body 531, so that the compacting rotating sleeve 532 can rotate relatively independently when the roller body 531 rotates; the present application enables the compacting rotating sleeve 532 to rotate relative to the roller body 531 when contacting the surface of the polarizer, thereby effectively reducing the friction and surface damage generated during the rolling compaction process; The roller body 531 of the present application provides a uniform rolling pressing force for the pressing rotating sleeve 532 through its eccentric rotation characteristics. Combined with the rotation function of the pressing rotating sleeve 532, the efficient attachment of the polarizer is achieved under the cooperation of the horizontal movement of the substrate support mechanism 3, and the damage to the polarizer caused by indentation and sliding friction is avoided during the rolling process, thereby improving the attachment quality. The roller body 531 and the pressing rotating sleeve 532 of the present application are connected via a rotating bearing.

[0050] Furthermore, if Figure 4 As shown, the horizontal driving mechanism 2 includes a push-pull driving component 21 fixedly connected to the frame body 1, and a supporting sliding rail 22 fixedly connected to the frame body 1 and slidably connected to the substrate supporting component 31. The output end of the push-pull driving component 21 is connected to the substrate supporting component 31, and the push-pull driving component 21 is used to drive the substrate supporting component 31 to slide along the length direction of the supporting sliding rail 22.

[0051] The support sliding rail 22 of the present application is slidably connected with the substrate support assembly 31, providing precise guide support for the movement of the substrate support assembly 31; driven by the push-pull drive assembly 21, the substrate support assembly 31 slides along the length direction of the support sliding rail 22, completing the precise movement from the initial position of polarizer attachment to the terminal position; the present application improves the accuracy and stability of the horizontal movement of the substrate support assembly 31 through the cooperation of the push-pull drive assembly 21 and the support sliding rail 22, thereby improving the attachment quality of the polarizer and the overall operation efficiency of the device; The horizontal driving mechanism 2 of the present application is preferably a cylinder.

[0052] Specifically, Figure 5 As shown, a polarizer attaching method includes a polarizer attaching device, and further includes the following steps: S1: The adsorption flip mechanism 4 sucks the polarizer tightly and places the substrate on the magnetic support assembly 33; S2: The adsorption flip mechanism 4 flips in the direction facing the magnetic support assembly 33, so that the polarizer covers the upper surface of the substrate of the magnetic support assembly 33, and the pressing roller mechanism 5 is pressed against the pressing support side edge 34; S3: the horizontal driving mechanism 2 drives the substrate supporting mechanism 3 to move in a direction away from the adsorption flipping mechanism 4; S4: the current of the electromagnet assembly 32 increases, the repulsive magnetic force between the electromagnet assembly 32 and the magnetic support assembly 33 increases, the electromagnet assembly 32 pushes the magnetic support assembly 33 to move upward synchronously, and the polarizer moves in the direction of extending and pressing the support side edge 34; S5: The pressing roller mechanism 5 gradually rolls and presses the polarizer and the substrate on the magnetic support assembly 33 from the head end of the substrate, and the magnetic support assembly 33 cooperates with the pressing roller mechanism 5 to gradually increase the pressing force; S6: When the lower pressing roller mechanism 5 moves to the rear end of the polarizer and the substrate, the current of the electromagnet assembly 32 decreases, the repulsive magnetic force between the electromagnet assembly 32 and the magnetic support assembly 33 decreases, the magnetic support assembly 33 moves downward in the direction close to the electromagnet assembly 32, and the polarizer and the substrate move downward; S7: the horizontal driving mechanism 2 drives the substrate supporting mechanism 3 to move in a direction close to the adsorption flipping mechanism 4; S8: The current of the electromagnet assembly 32 increases, the repulsive magnetic force between the electromagnet assembly 32 and the magnetic support assembly 33 increases, and the electromagnet assembly 32 pushes the magnetic support assembly 33 to move upward synchronously; S9: The pressing roller mechanism 5 gradually rolls and presses the polarizer and the substrate on the magnetic support assembly 33 from the rear end of the substrate, and the magnetic support assembly 33 cooperates with the pressing roller mechanism 5 to gradually increase the pressing force.

[0053] The adsorption flip mechanism 4 of the present application sucks the polarizer tightly and flips it, so that the polarizer is covered on the upper surface of the substrate. The horizontal driving mechanism 2 drives the substrate supporting mechanism 3 to move, and the electromagnet assembly 32 is energized to increase the repulsive magnetic force, pushing the magnetic supporting assembly 33 to move upward to provide support for the substrate and the polarizer, and cooperates with the pressing roller mechanism 5 to achieve gradual rolling and attachment; when the pressing roller mechanism 5 completes the rolling from the head end to the tail end, the electromagnet assembly 32 weakens the magnetic force, and the magnetic supporting assembly 33 moves downward to complete the adjustment; then the horizontal driving mechanism 2 moves the substrate supporting mechanism 3 in the opposite direction, At the same time, the electromagnet assembly 32 increases the magnetic force again to push the magnetic support assembly 33 upward, and the pressing roller mechanism 5 gradually rolls from the tail end to the head end of the substrate to achieve compaction and complete the attachment; the present application utilizes the precise flipping positioning of the adsorption flipping mechanism 4, the dynamic repulsive adjustment of the electromagnet assembly 32 and the magnetic support assembly 33, the gradual rolling and attachment of the pressing roller mechanism 5 and the synchronous movement coordination of the horizontal driving mechanism 2, which not only effectively avoids the indentation and warping of the polarizer during the attachment process, but also ensures the high precision and stability of the attachment, thereby improving the overall production efficiency and optical performance.

[0054] The implementation principle of a polarizer attaching device and attaching method in the embodiment of the present application is as follows: A polarizer attaching device, during the polarizer attaching process, an adsorption flipping mechanism 4 is used to flip in a direction facing a magnetic support assembly 33, so that the adsorbed polarizer is covered on the upper surface of a substrate, a pressing support side edge 34 is used to press and support a pressing roller mechanism 5, a horizontal driving mechanism 2 drives the substrate support mechanism 3 to move in a direction away from the adsorption flipping mechanism 4, and at the same time, the electromagnet assembly 32 pushes the magnetic support assembly 33 to move upward through magnetic force, driving the polarizer and the substrate to move upward in a direction extending out of the pressing support side edge 34; the substrate support mechanism 3 and the pressing roller mechanism 5 cooperate to roll and press the polarizer and the substrate, and the present application realizes a gradual increase in pressure through the gradual upward movement of the magnetic support assembly 33 and the rolling action of the pressing roller mechanism 5, thereby avoiding the problems of indentation and warping at the initial pressing position, and at the same time, utilizes the dynamic adjustment function of the magnetic support assembly 33 to further improve the flatness and optical performance of the attachment; One end of the roller assembly 53 is rotationally connected to the roller connection seat 52 in an eccentric manner, and the other end is connected to the output end of the rotation drive assembly 54 in an eccentric connection, so that stable eccentric rotation is achieved under the drive of the rotation drive assembly 54; the roller pressure sensor 55 is arranged between the roller support assembly 51 and the roller connection seat 52, and is electrically connected to the rotation drive assembly 54, so as to detect the pressure applied by the roller assembly 53 in real time and feed back the data to the rotation drive assembly 54, so as to achieve dynamic adjustment of the pressure of the roller assembly 53; through the eccentric connection, the roller assembly 53 can provide uniform rolling pressure during the rotation drive process, and at the same time, combined with the precise pressure monitoring of the roller pressure sensor 55, it is ensured that the pressure applied by the roller assembly 53 to the polarizer and the substrate during the attachment process is always within an appropriate range; The present application enables the roller assembly 53 to perform flexible eccentric rotational motion through the stable support of the roller support assembly 51 and the precise control of the rotation drive assembly 54, thereby realizing uniform pressing and attaching of the polarizer under the cooperation of the horizontal movement of the substrate support mechanism 3, effectively avoiding the problems of indentation and warping, and at the same time, combined with the real-time feedback function of the roller pressure sensor 55, further improving the accuracy and consistency of the attachment process, thereby significantly improving the attachment quality and production efficiency of the overall device; A polarizer attachment method, wherein an adsorption flip mechanism 4 sucks the polarizer tightly and flips it, and covers the polarizer on the upper surface of the substrate, a horizontal driving mechanism 2 drives the substrate support mechanism 3 to move, an electromagnet assembly 32 is energized to increase the repulsive magnetic force, and a magnetic support assembly 33 is pushed to move upward to provide support for the substrate and the polarizer, and cooperates with a lower pressing roller mechanism 5 to achieve gradual rolling attachment; after the lower pressing roller mechanism 5 completes the rolling from the head end to the tail end, the electromagnet assembly 32 weakens the magnetic force, and the magnetic support assembly 33 moves downward to complete the adjustment; then the horizontal driving mechanism 2 moves the substrate support mechanism 3 in the reverse direction Mechanism 3, at the same time, the electromagnet assembly 32 increases the magnetic force again to push the magnetic support assembly 33 upward, and the pressing roller mechanism 5 gradually rolls from the tail end to the head end of the substrate to achieve compaction and complete the attachment; the present application utilizes the precise flipping positioning of the adsorption flipping mechanism 4, the dynamic repulsive adjustment of the electromagnet assembly 32 and the magnetic support assembly 33, the gradual rolling and attachment of the pressing roller mechanism 5 and the synchronous movement coordination of the horizontal driving mechanism 2, which not only effectively avoids the indentation and warping of the polarizer during the attachment process, but also ensures the high precision and stability of the attachment, thereby improving the overall production efficiency and optical performance.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A polarizer attaching device, characterized in that: The invention comprises a frame body (1), a horizontal driving mechanism (2) connected to the frame body (1), a substrate supporting mechanism (3) movably arranged on the frame body (1) and connected to the horizontal driving mechanism (2), an adsorption flipping mechanism (4) connected to the frame body (1) and located above the side end of the substrate supporting mechanism (3), and a lower pressing roller mechanism (5) rotatably connected to the end of the adsorption flipping mechanism (4); the horizontal driving mechanism (2) is used to drive the substrate supporting mechanism (3) to move in the horizontal direction, and the adsorption flipping mechanism (4) is used to adsorb the polarizer; The substrate support mechanism (3) comprises a substrate support assembly (31) connected to the output end of the horizontal drive mechanism (2), an electromagnet assembly (32) inserted in the substrate support assembly (31) and fixedly connected to the substrate support assembly (31), a magnetic support assembly (33) movably inserted in the substrate support assembly (31) along the vertical direction and located above the electromagnet assembly (32), and a pressing support side edge (34) connected to the substrate support assembly (31) and located on the peripheral side of the magnetic support assembly (33); the electromagnet assembly (32) and the magnetic support assembly (33) are arranged to repel each other magnetically; the magnetic support assembly (33) is used to support the substrate; The adsorption flipping mechanism (4) is used to flip in a direction facing the magnetic support assembly (33) so that the polarizer covers the upper surface of the substrate of the magnetic support assembly (33); the lower pressing roller mechanism (5) is pressed together with the pressing support side edge (34); the horizontal driving mechanism (2) drives the substrate support mechanism (3) to move in a direction away from the adsorption flipping mechanism (4); the electromagnet assembly (32) is used to push the magnetic support assembly (33) to move upward; the lower pressing roller mechanism (5) rolls and presses the polarizer and substrate on the magnetic support assembly (33); the magnetic support assembly (33) cooperates with the lower pressing roller mechanism (5) to gradually increase the pressing force.

2. The polarizer attaching device according to claim 1, characterized in that: The substrate support assembly (31) is provided with a substrate support groove (311) for inserting the electromagnet assembly (32) and the magnetic support assembly (33); the electromagnet assembly (32) is inserted into the bottom of the substrate support groove (311) and is fixedly connected to the substrate support assembly (31); the magnetic support assembly (33) is movably inserted into the substrate support groove (311) and is used to move up and down along the opening direction of the substrate support groove (311).

3. The polarizer attaching device according to claim 2, characterized in that: The magnetic support assembly (33) comprises a substrate support bottom plate (331) movably inserted into the substrate support groove (311), a permanent magnet component (332) connected to the lower side wall of the substrate support bottom plate (331), a substrate adsorption component (333) connected to the upper side wall of the substrate support bottom plate (331), and a substrate pressure sensor (334) provided between the substrate adsorption component (333) and the substrate support bottom plate (331) and electrically connected to the electromagnet assembly (32).

4. The polarizer attaching device according to claim 3, characterized in that: The substrate support assembly (31) is also provided with a substrate guide groove (312) connected to the substrate support groove (311); the substrate support mechanism (3) also includes a guide column (35) inserted in the substrate guide groove (312) and fixedly connected to the substrate support assembly (31); the substrate support bottom plate (331) is provided with a guide support protrusion (335) which is slidably inserted in the substrate guide groove (312) and movably sleeved on the outer wall of the guide column (35).

5. The polarizer attaching device according to claim 2, characterized in that: The clamping support side edge (34) comprises an inclined top pressing slope (341) connected to the substrate support assembly (31) and located at both ends of the magnetic support assembly (33), and a limiting support side edge (342) connected to the substrate support assembly (31) and located at both sides of the magnetic support assembly (33), wherein the inclined top pressing slope (341) and the limiting support side edge (342) are connected end to end in sequence and are arranged around the open end of the substrate support groove (311).

6. The polarizer attaching device according to claim 1, characterized in that: The adsorption flip mechanism (4) comprises a flip support frame (41) fixedly connected to the frame body (1), a flip swing assembly (42) hinged to the flip support frame (41), a flip drive assembly (43) arranged at a hinged position between the flip support frame (41) and the flip swing assembly (42), and a vacuum adsorption assembly (44) connected to the flip swing assembly (42) and used for adsorbing the polarizer; The output end of the flip driving component (43) is connected to the flip swing component (42), and the flip swing component (42) is used to drive the flip swing component (42) to flip along the direction approaching or away from the magnetic support component (33) with the hinge position with the flip support frame (41) as the rotation axis; the lower pressure roller mechanism (5) is rotationally connected to the end of the flip swing component (42) away from the flip support frame (41).

7. The polarizer attaching device according to claim 6, characterized in that: The lower pressure roller mechanism (5) comprises a roller support assembly (51) connected to the end of the flipping and swinging assembly (42), a roller connecting seat (52) inserted in the roller support assembly (51), a roller assembly (53) located between the two roller connecting seats (52), a rotation drive assembly (54) connected to the roller connecting seat (52), and a roller pressure sensor (55) located between the roller support assembly (51) and the roller connecting seat (52) and electrically connected to the rotation drive assembly (54); one end of the roller assembly (53) is eccentrically connected to the roller connecting seat (52), and the other end of the roller assembly (53) is eccentrically connected to the output end of the rotation drive assembly (54).

8. The polarizer attaching device according to claim 7, characterized in that: The roller assembly (53) comprises a roller body (531) whose ends are eccentrically connected to the roller connecting seat (52) and the output end of the rotary drive assembly (54), and a clamping rotating shaft sleeve (532) sleeved on the circumference of the roller body (531) and rotatably connected to the roller body (531); the clamping rotating shaft sleeve (532) is used to rotate relative to the roller body (531).

9. The polarizer attaching device according to claim 1, characterized in that: The horizontal driving mechanism (2) comprises a push-pull driving component (21) fixedly connected to the frame body (1), and a support sliding track (22) fixedly connected to the frame body (1) and slidably connected to the substrate support component (31), wherein an output end of the push-pull driving component (21) is connected to the substrate support component (31), and the push-pull driving component (21) is used to drive the substrate support component (31) to slide along the length direction of the support sliding track (22).

10. A polarizer attaching method, characterized in that: A polarizer attaching device comprising any one of claims 1 to 9, further comprising: The following steps are involved: S1: the adsorption flipping mechanism (4) sucks the polarizer tightly and places the substrate on the magnetic support assembly (33); S2: the adsorption flipping mechanism (4) flips in a direction facing the magnetic support assembly (33), so that the polarizer covers the upper surface of the substrate of the magnetic support assembly (33), and the lower pressing roller mechanism (5) is pressed against the pressing support side edge (34); S3: the horizontal driving mechanism (2) drives the substrate supporting mechanism (3) to move in a direction away from the adsorption flipping mechanism (4); S4: the current flowing through the electromagnet assembly (32) increases, the repulsive magnetic force between the electromagnet assembly (32) and the magnetic support assembly (33) increases, the electromagnet assembly (32) pushes the magnetic support assembly (33) to move upward synchronously, and causes the polarizer to move in a direction extending out from the pressing support side edge (34); S5: the pressing roller mechanism (5) gradually rolls and presses the polarizer and the substrate on the magnetic support assembly (33) from the head end of the substrate, and the magnetic support assembly (33) cooperates with the pressing roller mechanism (5) to gradually increase the pressing force; S6: When the pressing roller mechanism (5) moves to the rear end of the polarizer and the substrate, the current flowing through the electromagnet assembly (32) decreases, the repulsive magnetic force between the electromagnet assembly (32) and the magnetic support assembly (33) decreases, the magnetic support assembly (33) moves downward in a direction close to the electromagnet assembly (32), and the polarizer and the substrate move downward; S7: the horizontal driving mechanism (2) drives the substrate supporting mechanism (3) to move in a direction close to the adsorption flipping mechanism (4); S8: the current flowing through the electromagnet assembly (32) increases, the repulsive magnetic force between the electromagnet assembly (32) and the magnetic support assembly (33) increases, and the electromagnet assembly (32) pushes the magnetic support assembly (33) to move upward synchronously; S9: The lower pressing roller mechanism (5) gradually rolls and presses the polarizer and the substrate on the magnetic support assembly (33) from the rear end of the substrate, and the magnetic support assembly (33) cooperates with the lower pressing roller mechanism (5) to gradually increase the pressing force.

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