Light guide plate automatic side pasting device and side pasting process

Abstract

This invention discloses an automatic side-attaching device and process for light guide plates, belonging to the field of light guide film edge-attaching. The device includes a bonding mechanism, which comprises a housing, a first clamping plate and a second clamping plate with adjustable spacing. The second clamping plate is fixedly connected to the housing, while the first clamping plate is slidably disposed with respect to the housing. A first moving rod is movably mounted on the housing, and a retractable second adsorption mechanism is fixedly mounted on the first moving rod. The spacing between the two sets of second splicing plates on the bonding mechanism of this invention can be adaptively adjusted according to the actual thickness of the light guide plate, thereby achieving effective alignment between the light-shielding film and the side edge of the light guide plate. In other words, this invention can achieve side-attaching of light guide plates of various thicknesses with high bonding efficiency.

Description

Technical Field

[0001] This invention relates to the field of light guide plate edge bonding technology, specifically to an automatic side bonding equipment and process for light guide plates. Background Technology

[0002] Side-lit backlight modules are widely used in LCD displays, lighting, touch buttons, and other fields. Their core optical component, the light guide plate, transmits LED light through the side, and through internal total internal reflection and dot matrix modulation, transforms the line-point light source into a uniform surface light source. However, exposed sides of the light guide plate can cause a series of technical defects, resulting in significant deterioration of light efficiency, uniformity, structural stability, and visual effects. Therefore, attaching a light-shielding film to the side has become an industry standard process.

[0003] The light guide sheet has a higher refractive index than air, and light propagates mainly through total internal reflection inside. However, the non-light-incident side is a free interface, and a large amount of light will be directly transmitted and leaked from the side, resulting in a significant decrease in light utilization.

[0004] Existing semi-automatic and fully automatic side-attachment equipment is expensive, and requires frequent fixture changes and readjustments for light guide plates of different sizes and thicknesses, resulting in low changeover efficiency and difficulty in meeting the needs of multi-variety, small-batch production. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic side-mounting device and process for light guide plates, so as to solve the problem that existing semi-automatic and fully automatic side-mounting devices require frequent fixture changes for light guide plates of different sizes and thicknesses.

[0006] The technical problem to be solved by the present invention can be achieved by the following technical solution: a light guide sheet edge-fitting device, including a bonding mechanism, the bonding mechanism including a housing, a first clamping plate and a second clamping plate with adjustable spacing, wherein the second clamping plate is fixedly connected to the housing, and the first clamping plate is slidably disposed with the housing; The housing is movably provided with a first movable rod, and a retractable second adsorption mechanism is fixedly provided on the first movable rod.

[0007] Preferably, the bonding mechanism includes a housing with a U-shaped structure, and a second telescopic cylinder is fixedly mounted on the housing. A fixing block is fixedly mounted on the output end of the second telescopic cylinder, and a pressure roller is rotatably mounted on the fixing block.

[0008] Preferably, a first slide rod and a second slide rod are fixedly provided on the housing. A first clamping plate is slidably provided on the first slide rod and the second slide rod, while the second clamping plate is fixed to the housing. The first clamping plate is moved on the first slide rod and the second slide rod by a cylinder, while the second clamping plate remains fixed. The first clamping plate and the second clamping plate have the same structure. The first clamping plate includes a first mating block, which is slidably engaged with the first slide rod and the second slide rod. The cylinder body is fixed to the housing, and the output end of the cylinder is fixedly connected to the first mating block. A first splicing plate is fixedly provided on the first splicing block, and a second splicing plate is fixedly provided on the first splicing plate. The first splicing plate and the second splicing plate have a Z-shaped structure. The second clamping plate is fixedly connected to the housing by the second mating block.

[0009] Preferably, a first moving block is slidably mounted on the second sliding rod, and a first moving rod is slidably mounted on the first moving block. The moving directions of the first moving block and the first moving rod are perpendicular to each other. A first mounting plate is fixedly mounted on the first moving rod. Two identical sets of first connecting rods and second connecting rods are symmetrically and rotatably mounted on the first mounting plate. The first connecting rod is rotatably engaged with the first mating block, and the second connecting rod is rotatably engaged with the second mating block. A second mounting plate is vertically and fixedly mounted on the first moving rod. A third telescopic cylinder is fixedly mounted on the second mounting plate. A second adsorption mechanism is fixedly mounted at the output end of the third telescopic cylinder. A second adsorption plate is fixedly mounted on the second adsorption mechanism.

[0010] Preferably, it further includes a fixing mechanism, on which a light guide plate is fixed. The fixing mechanism is used to clamp and rotate the light guide plate. The fixing mechanism is provided with an edge-applying mechanism, which is used to apply film to the side of the light guide plate. The fixing mechanism includes a first base, on which a first clamping mechanism is rotatably mounted. A side bracket is fixed on the first base, and a second clamping mechanism is rotatably mounted on the side bracket. The first clamping mechanism and the second clamping mechanism cooperate to move and clamp the light guide plate. The first clamping mechanism and the second clamping mechanism have the same structure. The second clamping mechanism includes a turntable, which is rotatably mounted on the side bracket. A first telescopic cylinder is fixed on the turntable. A first negative pressure suction mechanism is fixed at the output end of the first telescopic cylinder. A first adsorption plate is fixed on the first negative pressure suction mechanism.

[0011] Preferably, at least one set of turntables in the first clamping mechanism and the second clamping mechanism is an electric turntable.

[0012] Preferably, the mechanism further includes a second base, a first sliding rail fixedly mounted on the second base, a third base slidably mounted on the first sliding rail, a second sliding rail fixedly mounted on the third base, and an edge-adheding base slidably mounted on the second sliding rail.

[0013] Preferably, the edge-fitting base is rotatably provided with a feeding tray and a winding tray, and a winding shaft is fixedly provided on the winding tray. The feeding tray is used to fix and rotate the light-shielding film that is wound into a disc shape, and the winding tray is used to wind up the release paper that is peeled off from the light-shielding film. Several guide rods are also fixedly provided on the edge-fitting base. The guide rods are used to guide the feeding of the light-shielding film and the winding of the release paper. The bonding mechanism is fixed on the edge-fitting base.

[0014] Preferably, the two sets of second splicing plates are provided with a moving component, the moving component includes a telescopic component, a window is provided in the middle position of the second splicing plate, the telescopic component is fixedly connected to the window, and a pressure plate is fixedly provided at the other end of the telescopic component.

[0015] An edge-attaching process for an automatic side-attaching device for a light guide plate includes the following steps: First, the spacing between the two sets of second splicing plates on the bonding mechanism can be adaptively adjusted according to the actual thickness of the light guide plate to ensure that the two sets of second splicing plates are bonded to the upper and lower surfaces of the light guide plate respectively. Control the second adsorption plate to move forward, adsorb the light-shielding film onto the effective exposed position on the second adsorption plate, and continue to move the second adsorption plate forward to achieve alignment between the light-shielding film and the side of the light guide plate. The moving bonding mechanism as a whole achieves film application to the side of the light guide plate.

[0016] Compared with the prior art, the beneficial effects of this application are as follows: In this invention, the spacing between the two sets of second splicing plates on the bonding mechanism can be adaptively adjusted according to the actual thickness of the light guide plate, ensuring that the two sets of second splicing plates are bonded to the upper and lower surfaces of the light guide plate respectively. At the same time, the effective exposure width on the second adsorption plate also changes with the spacing between the two sets of second splicing plates, so that the effective exposure width on the second adsorption plate is always equal to the actual thickness of the light guide plate. By adsorbing the light-shielding film onto the effective exposure position on the second adsorption plate, the light-shielding film can be effectively aligned with the side of the light guide plate. In other words, this invention can achieve side film bonding of light guide plates of various thicknesses with high bonding efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of the invention. Figure 2 ; Figure 3 This is a schematic diagram of the edge-attaching mechanism of the present invention; Figure 4 This is an enlarged schematic diagram of part A of the present invention; Figure 5 This is a schematic diagram of the bonding mechanism structure of the present invention; Figure 6 This is a schematic diagram of the installation of the first and second connecting rods of the bonding mechanism of the present invention; Figure 7 This is a side view of the bonding mechanism of the present invention; Figure 8 This is a schematic diagram of the bonding mechanism of the present invention (part a is the clamping of the upper and lower surfaces of the light guide plate by the second splicing plate, and part b is the forward advancement of the second adsorption plate for bonding).

[0018] Explanation of reference numerals in the attached figures: 100. Fixing mechanism; 200. Edge-attaching mechanism; 300. Light guide plate; 101. First base; 102. Side bracket; 103. First telescopic cylinder; 104. Turntable; 105. First negative pressure suction mechanism; 106. First adsorption plate; 201. First sliding rail; 202. Second base; 203. Third base; 204. Second slide rail; 205. Edge-attaching base; 206. Feeding tray; 207. Rewinding tray; 208. Guide rod; 209. Bonding mechanism; 210. Light-blocking film; 211. Release paper; 20901. Housing; 20902. Second telescopic cylinder; 20903. Fixing mechanism; 20904. First sliding rail; 20905. Second telescopic cylinder; 20906. First negative pressure suction mechanism; 20907. Second negative pressure suction mechanism; 20908. First negative pressure suction mechanism; 20909. First negative pressure suction mechanism; 20900. First negative pressure suction mechanism; 20901. First negative pressure suction mechanism; 20902. Second negative pressure suction mechanism; 20903. First negative pressure suction mechanism; 20904. First negative pressure suction mechanism; 20905. Second negative pressure suction mechanism; 20906. First negative pressure suction mechanism; 20907. Second negative pressure suction mechanism; 20908. First negative pressure suction mechanism; 20909. First negative pressure suction mechanism; 20900. Second negative pressure suction mechanism; 20901. First negative pressure suction mechanism; 20902. Second negative pressure suction mechanism; 20903. First negative pressure suction mechanism; 20904. Second negative pressure suction mechanism; 20905. First negative pressure suction mechanism; 20906. Second negative pressure suction mechanism Fixed block; 20904, pressure roller; 20905, first slide bar; 20906, second slide bar; 20907, first mating block; 20908, first splicing plate; 20909, second splicing plate; 20910, telescopic assembly; 20911, pressure plate; 20912, first connecting rod; 20913, first moving block; 20914, first moving rod; 20915, first mounting plate; 20916, second mounting plate; 20917, third telescopic cylinder; 20918, second adsorption mechanism; 20919, second adsorption plate; 20920, second connecting rod; 20921, second mating block. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1 Existing semi-automatic and fully automatic side-bonding equipment is expensive, and requires frequent fixture changes and readjustments for light guide plates of different sizes and thicknesses, resulting in low changeover efficiency and difficulty in adapting to the needs of multi-variety, small-batch production. Therefore, this embodiment proposes a side-bonding device that can side-bond light guide plates of different specifications and thicknesses.

[0021] like Figure 2As shown, the side-applying device includes an applicator 209, which includes a housing 20901. The housing 20901 has a U-shaped structure, and a second telescopic cylinder 20902 is fixedly mounted on the housing 20901. A fixing block 20903 is fixedly mounted on the output end of the second telescopic cylinder 20902, and a pressure roller 20904 is rotatably mounted on the fixing block 20903. The second telescopic cylinder 20902 controls the pressure roller 20904 to move forward, pressing the applicated light-shielding film 210 onto the side of the light guide plate.

[0022] like Figure 5 As shown, a first slide rod 20905 and a second slide rod 20906 are fixedly mounted on the housing 20901. A first clamping plate is slidably mounted on the first slide rod 20905 and the second slide rod 20906, while the second clamping plate is fixed to the housing 20901. In this embodiment, the first clamping plate is moved on the first slide rod 20905 and the second slide rod 20906 by a cylinder, while the second clamping plate remains fixed. The first and second clamping plates have the same structure. The first clamping plate includes a first mating block 20907 and a first mating block 20908. 907 is slidably engaged with the first slide rod 20905 and the second slide rod 20906. The cylinder body is fixed on the housing 20901. The output end of the cylinder is fixedly connected to the first mating block 20907. The first mating block 20907 is fixedly provided with a first splicing plate 20908. The first splicing plate 20908 is fixedly provided with a second splicing plate 20909. The first splicing plate 20908 and the second splicing plate 20909 have a Z-shaped structure. The second splicing plate 20909 realizes the clamping function. The second clamping plate structure is fixedly connected to the housing 20901 through the second mating block 20921.

[0023] like Figure 5 and Figure 6 As shown, a first moving block 20913 is slidably mounted on the second sliding rod 20906, and a first moving rod 20914 is slidably mounted on the first moving block 20913. The moving directions of the first moving block 20913 and the first moving rod 20914 are perpendicularly distributed. A first mounting plate 20915 is fixedly mounted on the first moving rod 20914. Two identical sets of first connecting rods 20912 and second connecting rods 20920 are symmetrically and rotatably mounted on the first mounting plate 20915. The first connecting rod 20912 is rotatably engaged with the first mating block 20907, and the second connecting rod 20920 is rotatably engaged with the second mating block 20921. A second mounting plate 20916 is vertically and fixedly mounted on the first moving rod 20914. A third telescopic cylinder 20917 is fixedly mounted on the second mounting plate 20916. A second adsorption mechanism 20918 is fixedly mounted at the output end of the third telescopic cylinder 20917. A second adsorption plate 20919 is fixedly mounted on the second adsorption mechanism 20918. .

[0024] The working principle of the fitting mechanism 209: Figure 7 As shown, after the light guide plate 300 is fixed in use, the position of the bonding mechanism 209 is adjusted so that the second splicing plate 20909 on the second clamping plate moves below the light guide plate 300. The height of the light guide plate 300 is then adjusted so that the second splicing plate 20909 on the second clamping plate is in contact with the lower surface of the light guide plate 300. At this time, the first clamping mechanism is pushed up and down by a cylinder until the second splicing plate 20909 on the first clamping mechanism is in contact with the upper surface of the light guide plate 300. The second splicing plate 20909 on the first clamping mechanism and the second clamping mechanism respectively contact the upper and lower surfaces of the light guide plate 300 without applying excessive pressure to avoid damaging the light guide plate 300. Figure 6 and Figure 7 As shown, in this embodiment, the first clamping mechanism moves up and down, while the second clamping mechanism remains stationary. During the downward movement of the first clamping mechanism, the first connecting rod 20912 rotates, and the second connecting rod 20920 and the first connecting rod 20912 move symmetrically and synchronously. The first moving block 20913 moves downward along the second sliding rod 20906. Relative to the first moving rod 20914, the first moving block 20913 moves backward. At this time, the first connecting rod 20912 and the second connecting rod 20920... The angle between 0 and the first mounting plate 20915 will decrease. Since the lengths of the first connecting rod 20912 and the second connecting rod 20920 are equal, the axis of symmetry of the first moving rod 20914 coincides with the axis of symmetry of the first connecting rod 20912 and the second connecting rod 20920. Therefore, the first moving rod 20914 is always located at the midline of the isosceles triangle. That is, the second mounting plate 20916, the third telescopic cylinder 20917, and the second adsorption plate 20919 are all located at the midline and are symmetrical about the midline. Figure 8 As shown in part a, when the second splicing plates 20909 on the first and second clamping mechanisms contact the upper and lower surfaces of the light guide plate 300 respectively, the two sets of second splicing plates 20909 are symmetrical about the axes of symmetry of the first connecting rod 20912 and the second connecting rod 20920. At this time, the second adsorption plate 20919 is also located on the axis of symmetry of the first connecting rod 20912 and the second connecting rod 20920, and is symmetrical about the axis of symmetry. Since the distance between the two sets of second splicing plates 20909 is the thickness of the light guide plate 300, that is, at this time the second adsorption plate 20919 is directly opposite the side of the light guide plate 300. Figure 8As shown in section b, the third telescopic cylinder 20917 is driven to move the second adsorption plate 20919 forward, aligning it with the side of the light guide plate 300. This means the actual width of the second adsorption plate 20919 is greater than the thickness of the light guide plate 300. However, both ends of the second adsorption plate 20919 are blocked by the second splicing plate 20909, meaning the exposed area of ​​the second adsorption plate 20919 is the same as the thickness of the light guide plate 300. At this point, the light-shielding film 210 is manually adsorbed onto the effective exposed position of the second splicing plate 20909, and then the second adsorption plate 20919 is moved forward, thus attaching the light-shielding film 210 on the second adsorption plate 20919 to the side of the light guide plate. 。

[0025] Because the second adsorption plate 20919 has several adsorption holes, during the adsorption of the light-shielding film 210 onto the second adsorption plate 20919, the width of the light-shielding film 210 adapted to the light guide plate 300 of different thicknesses is different. This results in the light-shielding film 210 not being able to completely cover all the adsorption holes on the second adsorption plate 20919, meaning some adsorption holes are exposed, affecting the negative pressure adsorption effect. This may cause the light-shielding film 210 to not be completely adsorbed or to fall off. In this embodiment, the excess adsorption holes at both ends of the second adsorption plate 20919 are effectively blocked by the second splicing plate 20909. At this time, the light-shielding film 210 is then completely covered to cover the effective area of ​​the second adsorption plate 20919, thus achieving complete adsorption of the light-shielding film 210 and preventing the light-shielding film 210 from falling off during the adsorption process. It should be emphasized that the core improvement of this embodiment lies in the following: the spacing between the two sets of second splicing plates 20909 on the bonding mechanism 209 of the present invention can be adaptively adjusted according to the actual thickness of the light guide plate 300, ensuring that the two sets of second splicing plates 20909 are bonded to the upper and lower surfaces of the light guide plate 300 respectively. At the same time, the effective exposure width on the second adsorption plate 20919 also changes with the spacing between the two sets of second splicing plates 20909, so that the effective exposure width on the second adsorption plate 20919 is always equal to the actual thickness of the light guide plate 300. By adsorbing the light-shielding film 210 onto the effective exposure position on the second adsorption plate 20919, the light-shielding film 210 and the side of the light guide plate 300 can be effectively aligned. That is, the present invention can achieve side film bonding of light guide plates 300 with various thicknesses and has high bonding efficiency.

[0026] It should be noted that, such as Figure 1 As shown, an automatic side-applying device for a light guide plate further includes a fixing mechanism 100, on which a light guide plate 300 is fixed. The fixing mechanism 100 is used to clamp and rotate the light guide plate 300. An edge-applying mechanism 200 is provided on the fixing mechanism 100, which is used to apply film to the side of the light guide plate 300. Figure 2As shown, the fixing mechanism 100 includes a first base 101, a first clamping mechanism rotatably mounted on the first base 101, a side bracket 102 fixedly mounted on the first base 101, and a second clamping mechanism rotatably mounted on the side bracket 102. The first and second clamping mechanisms cooperate to clamp the light guide plate 300. The first and second clamping mechanisms have identical structures. Taking the second clamping mechanism as an example, the second clamping mechanism includes a turntable 104, which is rotatably mounted on the side bracket 102. A second clamping mechanism is fixedly mounted on the turntable 104. The first telescopic cylinder 103 has a first negative pressure suction mechanism 105 fixedly mounted at its output end. A first adsorption plate 106 is fixedly mounted on the first negative pressure suction mechanism 105. In use, the two sets of first adsorption plates 106 of the first clamping mechanism and the second clamping mechanism are adjusted by the two sets of first telescopic cylinders 103 to clamp the light guide plate 300. At least one set of turntables 104 in the first clamping mechanism and the second clamping mechanism is an electric turntable. The rotation of the light guide plate 300, in conjunction with the edge-applying mechanism 200, enables the application of film to each side of the light guide plate 300. 。

[0027] It should be noted that, such as Figure 2 As shown, the edge-fitting mechanism 200 also includes a second base 202, on which a first sliding rail 201 is fixedly mounted. A third base 203 is slidably mounted on the first sliding rail 201, and a second slide rail 204 is fixedly mounted on the third base 203. An edge-fitting base 205 is slidably mounted on the second slide rail 204. In this embodiment, the edge-fitting base 205 achieves dual-axis movement through the first sliding rail 201 and the second slide rail 204. 。

[0028] A feeding tray 206 and a winding tray 207 are rotatably mounted on the edge-sealing base 205. A winding shaft is fixedly mounted on the winding tray 207. The feeding tray 206 is used to fix and rotate the disc-shaped light-shielding film 210 for unloading, while the winding tray 207 is used to wind up the release paper 211 peeled from the light-shielding film 210. Several guide rods 208 are also fixedly mounted on the edge-sealing base 205. The guide rods 208 are used to guide the unloading of the light-shielding film 210 and the winding of the release paper 211. Figure 2 As shown, the bonding mechanism 209 is fixed on the edge base 205.

[0029] Example 2 It is understandable that, in Example 1, as Figure 8As shown, in actual use, when the second adsorption plate 20919 moves too close to the light guide plate 300, the adsorption and installation of the light-shielding film 210 is inconvenient. When the second adsorption plate 20919 moves too far from the light guide plate 300, the light-shielding film 210 still needs to be adhered to the light guide plate 300 after being adsorbed. At this time, if the second splicing plate 20909 is relatively thin, the light-shielding film 210 can be adhered. However, if the second splicing plate 20909 is too tall, the light-shielding film 210 may not be able to adhere to the light guide plate 300.

[0030] To address the aforementioned issues, this embodiment also includes movable components on the two sets of second splicing plates 20909. These movable components can block excess adsorption holes on the second adsorption plate 20919 and simultaneously achieve the bonding of the light-shielding film 210 and the light guide plate 300. Taking one set of movable components as an example... Figure 8 As shown, the movable component includes a telescopic component 20910, a window is provided in the middle position of the second splicing plate 20909, the telescopic component 20910 is fixedly connected to the window, and a pressure plate 20911 is fixedly provided at the other end of the telescopic component 20910.

[0031] How mobile components work: Figure 8 As shown, when the second adsorption plate 20919 moves toward the side of the light guide plate 300, both ends of the second adsorption plate 20919 will contact the pressure plates 20911 on the two sets of moving components. As the second adsorption plate 20919 continues to move forward, the upper and lower end faces of the second adsorption plate 20919 will contact and adhere to the pressure plates 20911. The adsorption holes on both end faces of the second adsorption plate 20919 will be tightly pressed together, and the telescopic component 20910 will be compressed until the second adsorption plate 20919 is completely adhered to the side of the light guide plate 300, and the light-shielding film 210 is pasted onto the side of the light guide plate 300. With the overall movement of the bonding mechanism 209, the side of the light guide plate 300 is coated with film. 。

[0032] Example 3 It is understood that, referring to the bonding mechanism 209 in Embodiment 2, this embodiment also provides a light guide plate edge bonding process, including the following steps: First, the spacing between the two sets of second splicing plates 20909 on the bonding mechanism 209 can be adaptively adjusted according to the actual thickness of the light guide plate 300 to ensure that the two sets of second splicing plates 20909 are bonded to the upper and lower surfaces of the light guide plate 300 respectively. The second adsorption plate 20919 is controlled to move forward, adsorbing the light-shielding film 210 onto the effective exposure position on the second adsorption plate 20919. The second adsorption plate 20919 is continued to move forward, thereby aligning the light-shielding film 210 with the side of the light guide plate 300. The bonding mechanism 209 is moved to achieve the overall bonding of the film to the side of the light guide plate 300.

[0033] In the description of this invention, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on the invention. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "multiple" means two or more.

[0034] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0035] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. An automatic side-attaching device for a light guide plate, characterized in that, The bonding mechanism (209) includes a housing (20901), and the bonding mechanism (209) has a first clamping plate and a second clamping plate with adjustable spacing. The second clamping plate is fixedly connected to the housing (20901), and the first clamping plate is slidably disposed with respect to the housing (20901). The housing (20901) is movably provided with a first moving rod (20914), and a retractable second adsorption mechanism (20918) is fixedly provided on the first moving rod (20914).

2. The automatic side-attaching device for a light guide plate as described in claim 1, characterized in that, The bonding mechanism (209) includes a housing (20901), which has a U-shaped structure. A second telescopic cylinder (20902) is also fixedly mounted on the housing (20901). A fixing block (20903) is fixedly mounted on the output end of the second telescopic cylinder (20902), and a pressure roller (20904) is rotatably mounted on the fixing block (20903).

3. The automatic side-attaching device for a light guide plate as described in claim 2, characterized in that, A first slide rod (20905) and a second slide rod (20906) are fixedly provided on the housing (20901). A first clamping plate is slidably provided on the first slide rod (20905) and the second slide rod (20906), while the second clamping plate is fixed on the housing (20901). The first clamping plate is moved on the first slide rod (20905) and the second slide rod (20906) by a cylinder, while the second clamping plate remains fixed. The first clamping plate and the second clamping plate have the same structure. The first clamping plate includes a first mating block (20907). The block (20907) slides with the first slide rod (20905) and the second slide rod (20906). The cylinder body is fixed on the housing (20901). The output end of the cylinder is fixedly connected to the first mating block (20907). The first mating block (20907) is fixedly provided with a first splicing plate (20908). The first splicing plate (20908) is fixedly provided with a second splicing plate (20909). The first splicing plate (20908) and the second splicing plate (20909) have a Z-shaped structure. The second clamping plate structure is fixedly connected to the housing (20901) through the second mating block (20921).

4. The automatic side-attaching device for a light guide plate as described in claim 3, characterized in that, A first moving block (20913) is slidably mounted on the second sliding rod (20906), and a first moving rod (20914) is slidably mounted on the first moving block (20913). The moving directions of the first moving block (20913) and the first moving rod (20914) are perpendicular to each other. A first mounting plate (20915) is fixedly mounted on the first moving rod (20914). Two identical sets of first connecting rods (20912) and second connecting rods (20920) are symmetrically and rotatably mounted on the first mounting plate (20915), wherein the first connecting rod ( The first moving rod (20912) is rotatably engaged with the first mating block (20907), the second connecting rod (20920) is rotatably engaged with the second mating block (20921), the first moving rod (20914) is vertically and fixedly provided with the second mounting plate (20916), the second mounting plate (20916) is fixedly provided with the third telescopic cylinder (20917), the output end of the third telescopic cylinder (20917) is fixedly provided with the second adsorption mechanism (20918), and the second adsorption mechanism (20918) is fixedly provided with the second adsorption plate (20919).

5. The automatic side-attaching device for a light guide plate as described in claim 1, characterized in that, It also includes a fixing mechanism (100), on which a light guide plate (300) is fixed. The fixing mechanism (100) is used to clamp and rotate the light guide plate (300). The fixing mechanism (100) is provided with an edge-applying mechanism (200), which is used to apply film to the side of the light guide plate (300). The fixing mechanism (100) includes a first base (101), on which a first clamping mechanism is rotatably provided. A side bracket (102) is fixed on the first base (101). The first clamping mechanism is provided with a second clamping mechanism, wherein the first clamping mechanism and the second clamping mechanism cooperate to move and clamp the light guide plate (300). The first clamping mechanism and the second clamping mechanism have the same structure. The second clamping mechanism includes a turntable (104), which is rotatably mounted on a side support (102). A first telescopic cylinder (103) is fixedly mounted on the turntable (104). A first negative pressure suction mechanism (105) is fixedly mounted on the output end of the first telescopic cylinder (103). A first suction plate (106) is fixedly mounted on the first negative pressure suction mechanism (105).

6. The automatic side-attaching device for a light guide plate as described in claim 5, characterized in that, At least one set of turntables (104) in the first clamping mechanism and the second clamping mechanism is an electric turntable.

7. The automatic side-attaching device for a light guide plate as described in claim 5, characterized in that, It also includes an edge-fitting mechanism (200) including a second base (202), a first sliding rail (201) fixedly provided on the second base (202), a third base (203) slidably provided on the first sliding rail (201), a second slide rail (204) fixedly provided on the third base (203), and an edge-fitting base (205) slidably provided on the second slide rail (204).

8. The automatic side-attaching device for a light guide plate as described in claim 5, characterized in that, The edge-fitting base (205) is rotatably provided with a feeding tray (206) and a winding tray (207). The winding tray (207) is fixedly provided with a winding shaft. The feeding tray (206) is used to fix and rotate the disc-shaped light-shielding film (210) for winding. The winding tray (207) is used to wind up the release paper (211) peeled off from the light-shielding film (210). Several guide rods (208) are also fixedly provided on the edge-fitting base (205). The guide rods (208) are used to guide the feeding of the light-shielding film (210) and the winding of the release paper (211). The bonding mechanism (209) is fixed on the edge-fitting base (205).

9. The automatic side-attaching device for a light guide plate as described in claim 3, characterized in that, The two sets of second splicing plates (20909) are provided with moving components, including telescopic components (20910). A window is provided in the middle of the second splicing plate (20909). The telescopic components (20910) are fixedly connected to the window. A pressure plate (20911) is fixedly provided at the other end of the telescopic components (20910).

10. An edge-attaching process for an automatic side-attaching device for a light guide plate, characterized in that, The automatic side-attaching device for a light guide plate as described in claim 4 is characterized by comprising the following steps: First, the spacing between the two sets of second splicing plates (20909) on the bonding mechanism (209) can be adaptively adjusted according to the actual thickness of the light guide plate (300) to ensure that the two sets of second splicing plates (20909) are bonded to the upper and lower surfaces of the light guide plate (300) respectively. Control the second adsorption plate (20919) to move forward, adsorb the light-shielding film (210) onto the effective exposure position on the second adsorption plate (20919), and continue to move the second adsorption plate (20919) forward, so that the light-shielding film (210) can be aligned with the side of the light guide plate (300), and the moving bonding mechanism (209) can achieve the overall bonding of the film on the side of the light guide plate (300).

Images