Light guide film laminating device of backlight module

Abstract

The utility model belongs to the field of light guide film laminating, particularly relates to a light guide film laminating device of a backlight module, and aims to solve the problems that an existing light guide film laminating device cannot effectively clean dust and impurities on the surface of a light guide plate, so that impurities or stains exist on a laminating surface, and the display effect and the product quality are influenced. A film laminating machine is fixedly arranged on one side of the top of the machine base; the clamping mechanism is arranged on the machine base and used for clamping the light guide plate and adjusting the position of the light guide plate; and the cleaning assembly is arranged on the clamping mechanism and is used for cleaning the surface of the clamped light guide plate. According to the backlight module, through the arrangement of the cleaning assembly, dust, impurities and the like on the surface of the light guide plate are effectively removed, the cleanliness of the surface of the light guide plate is improved, therefore, it is ensured that the light guide film is tightly attached to the light guide plate, and the quality and performance of the backlight module are further improved.

Description

Technical Field

[0001] This utility model relates to the field of light guide film bonding technology, and in particular to a light guide film bonding device for a backlight module. Background Technology

[0002] In backlight modules, light guide films are usually attached to light guide plates. The light guide plate is one of the core components of the backlight module, responsible for evenly distributing light sources incident from the side or bottom onto the entire LCD panel. The light guide film further improves the uniformity and brightness of the light.

[0003] Currently, while existing light guide film bonding devices can achieve bonding between the light guide film and the light guide plate to a certain extent, they lack effective cleaning of dust and impurities on the surface of the light guide plate. This results in impurities or stains on the bonding surface, which not only affects the tightness of the bonding but may also reduce the overall brightness and uniformity of the backlight module, thereby affecting the display effect and product quality. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies that lack effective cleaning of dust and impurities on the surface of the light guide plate, resulting in impurities or stains on the bonding surface, which affects the display effect and product quality. Therefore, this invention proposes a light guide film bonding device for a backlight module.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A light guide film bonding device for a backlight module includes:

[0007] A base, on one side of the top of which a laminating machine is fixedly mounted;

[0008] The clamping mechanism is mounted on the base and is used to clamp and adjust the position of the light guide plate.

[0009] A cleaning component is mounted on the clamping mechanism and is used to clean the surface of the light guide plate after clamping.

[0010] In one possible design, the clamping mechanism includes two fixed frames symmetrically fixedly disposed on the top of the base, and a movable frame slidably disposed on the side of the two fixed frames that are close to each other. The bottom of each of the two movable frames is rotatably disposed with a plurality of evenly distributed rollers. An electric push rod is embedded in the outer side of each of the two fixed frames, and the output end of the two electric push rods is fixedly connected to the two movable frames respectively.

[0011] In one possible design, the cleaning assembly includes a support frame fixedly mounted on the top of a fixed frame, a pneumatic push rod fixedly mounted on the top of the support frame, an inverted U-shaped frame slidably mounted on the bottom of the support frame, the output end of the pneumatic push rod passing through the top of the support frame and fixedly connected to the bottom of the inverted U-shaped frame, two roller felts symmetrically rotated on the inner side of the inverted U-shaped frame, and a scraper fixedly mounted on the front side of the inverted U-shaped frame.

[0012] In one possible design, a frame is fixedly installed on the top of the base between two fixed frames. Multiple rotating rollers are rotatably installed on the inner side of the frame. Two conveyor belts are symmetrically mounted on the outer side of the multiple rotating rollers. There is a gap between the two conveyor belts. A motor is fixedly installed on one side of the frame. One end of the output shaft of the motor is fixedly connected to one of the rotating rollers.

[0013] In one possible design, a fixed seat is fixedly installed at the top of the base in the gap between the two conveyor belts. A reciprocating screw is rotatably installed inside the fixed seat. A movable rod is slidably installed on the top of the fixed seat. The movable rod is threadedly connected to the reciprocating screw. A push block is fixedly installed on the top of the movable rod. A second motor is fixedly installed on one side of the fixed seat. One end of the output shaft of the second motor is fixedly connected to the reciprocating screw.

[0014] In one possible design, the top of the mounting base is fitted with a transparent cover.

[0015] In one possible design, the pusher block is inclined near the feed inlet.

[0016] In this application, when starting to use the device, the entire device is first connected to the power supply. Then, the light guide plate to be coated is placed on two conveyor belts. At this time, motor one is started, and the output shaft of motor one drives one of the rotating rollers to rotate. While the rotating roller rotates, the other rotating rollers are driven to rotate synchronously through the conveyor belt on it to form a conveyor line. The conveyor belt carries the light guide plate on it to the clamping area. Since the push block is designed to be inclined towards the feed port, it will not obstruct the movement of the light guide plate. At this time, two electric push rods are started at the same time. The output ends of the two electric push rods push the two moving frames to move to the side that are close to each other. When the two moving frames move, they drive the rollers on them to move synchronously in the direction of the light guide plate until the rollers contact and stick to the light guide plate. When the light guide plate is clamped, its offset position can be corrected.

[0017] At this point, the pneumatic pusher is activated, pushing the inverted U-shaped frame downwards. As the inverted U-shaped frame moves downwards, it also drives the roller felt and scraper strip on it to move downwards synchronously until the scraper strip contacts the surface of the light guide plate. Then, motor two is activated, and the output shaft of motor two drives the reciprocating screw to rotate. As the reciprocating screw rotates, it drives the push block to move forward through the moving rod. As the push block moves, it pushes the light guide plate that is being held forward (because the light guide plate is held by rollers, it can push the held light guide plate). When the light guide plate moves, it first passes the scraper strip, which scrapes the surface of the light guide plate to remove larger impurities. When the light guide plate continues to move and comes into contact with the roller felt, the roller felt will roll along with the movement of the light guide plate. At this time, the roller felt rolls on the surface of the light guide plate to remove the dust and impurities remaining on its surface.

[0018] After cleaning, the light guide plate is pushed into the laminating machine. The laminating machine starts and precisely applies the light guide film to the surface of the light guide plate. At the same time, the pusher returns to its original position through the rotation of the reciprocating screw, and then the next light guide plate is placed.

[0019] This utility model has the following beneficial effects:

[0020] The clamping mechanism in this invention facilitates position adjustment, achieving stable clamping and position correction of the light guide plate. This effectively improves the accuracy and efficiency of light guide film bonding, thereby enhancing the stability of the bonding process and the quality of the bonded product.

[0021] By incorporating a cleaning component, this invention effectively removes dust and impurities from the surface of the light guide plate, improving its cleanliness and ensuring a tight fit between the light guide film and the light guide plate. This further enhances the quality and performance of the backlight module. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of a light guide film bonding device for a backlight module proposed in this utility model.

[0023] Figure 2 This is a schematic diagram of the overall cover removal structure of a backlight module light guide film bonding device proposed in this utility model.

[0024] Figure 3 This is a schematic diagram showing the overall disassembled structure of a light guide film bonding device for a backlight module proposed in this utility model.

[0025] Figure 4 This is a bottom view of the cleaning component of the light guide film bonding device for a backlight module proposed in this utility model.

[0026] Figure 5 This utility model proposes a light guide film bonding device for a backlight module. Figure 3 A magnified structural diagram of part A.

[0027] In the diagram: 1. Machine base; 2. Cover; 3. Laminating machine; 4. Frame; 5. Rotary roller; 6. Conveyor belt; 7. Motor 1; 8. Fixed frame; 9. Moving frame; 10. Roller; 11. Electric push rod; 12. Support frame; 13. Pneumatic push rod; 14. Inverted U-shaped frame; 15. Roller felt; 16. Scraper strip; 17. Fixed seat; 18. Reciprocating lead screw; 19. Moving rod; 20. Push block; 21. Motor 2. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example 1

[0030] Reference Figure 1-5 A bonding device, comprising:

[0031] The base 1 has a laminating machine 3 fixedly installed on one side of its top, which is used to attach the light guide film to the processed light guide plate.

[0032] A clamping mechanism is provided on the top of the base 1 to achieve stable clamping and position adjustment of the light guide plate. The clamping mechanism specifically includes two fixed frames 8 symmetrically fixed on the top of the base 1. A movable frame 9 is slidably provided on the side of the two fixed frames 8 that is close to each other. The movable frame 9 can slide on the fixed frame 8 to accommodate light guide plates of different sizes. Multiple rollers 10 are evenly distributed on the bottom of the two movable frames 9. The design of the rollers 10 can not only firmly clamp the light guide plate, but also reduce friction and facilitate the movement of the light guide plate. Electric push rods 11 are embedded on the outer side of the two fixed frames 8. The output end of the electric push rods 11 is fixedly connected to the two movable frames 9 respectively. By extending and retracting the electric push rods 11, the two movable frames 9 can be driven to move in the direction of approaching or moving away from each other, thereby realizing the clamping and release of the light guide plate.

[0033] To clean the surface of the clamped light guide plate, a cleaning assembly is provided. The cleaning assembly includes a support frame 12 fixedly mounted on the top of the fixing frame 8. A pneumatic push rod 13 is fixedly mounted on the top of the support frame 12, and an inverted U-shaped frame 14 is longitudinally slidably mounted on the bottom of the support frame 12. The output end of the pneumatic push rod 13 passes through the top of the support frame 12 and is fixedly connected to the bottom of the inverted U-shaped frame 14. By extending and retracting the pneumatic push rod 13, the inverted U-shaped frame 14 can be driven to move up and down. Two roller felts 15 are symmetrically rotated on the inner side of the inverted U-shaped frame 14 for removing dust and impurities from the surface of the light guide plate. A scraper 16 is fixedly mounted on the front side of the inverted U-shaped frame 14. The scraper 16 is designed to first scrape the surface of the light guide plate to remove larger impurities, preparing for the removal work of the roller felts 15.

[0034] A frame 4 is fixedly installed on the top of the base 1 between two fixed frames 8. Multiple rotating rollers 5 are rotatably installed on the inner side of the frame 4. Two conveyor belts 6 are symmetrically mounted on the outside of the multiple rotating rollers 5 for conveying the light guide plate to be processed. There is a gap between the two conveyor belts 6 to facilitate the placement and clamping of the light guide plate. A motor 7 is fixedly installed on one side of the frame 4. One end of the output shaft of the motor 7 is fixedly connected to one of the rotating rollers 5. Driven by the motor 7, the rotating roller 5 and the conveyor belt 6 can be rotated.

[0035] To move the clamped light guide plate through the cleaning assembly, a pusher block 20 and a corresponding drive mechanism are provided. A fixed seat 17 is fixedly installed on the top of the base 1 in the gap between the two conveyor belts 6. A reciprocating screw 18 is rotatably installed inside the fixed seat 17. A moving rod 19 is slidably installed on the top of the fixed seat 17. The moving rod 19 is threadedly connected to the reciprocating screw 18. By rotating the reciprocating screw 18, the moving rod 19 can be driven to slide on the fixed seat 17. A pusher block 20 is fixedly installed on the top of the moving rod 19. The design of the pusher block 20 can conform to the shape of the light guide plate and push it forward. To drive the rotation of the reciprocating screw 18, a second motor 21 is fixedly installed on one side of the fixed seat 17. One end of the output shaft of the second motor 21 is fixedly connected to the reciprocating screw 18.

[0036] This application can be used in the field of backlight module light guide film bonding device technology, and can also be used in other fields applicable to this application.

[0037] Example 2

[0038] Based on Embodiment 1, Embodiment 2 further includes: a backlight module light guide film bonding device, which is applied to the technical field of backlight module light guide film bonding device. In addition, in order to protect the entire device and facilitate observation of the operation process, the top of the base 1 is fixedly covered with a transparent cover 2.

[0039] The push block 20 is inclined near the feed inlet. This design ensures that the push block 20 will not obstruct the movement of the light guide plate when it enters the clamping area, thus ensuring the smooth entry and clamping of the light guide plate.

[0040] However, as is well known to those skilled in the art, the working principles and wiring methods of the laminating machine 3, motor 7, electric push rod 11, pneumatic push rod 13 and motor 21 are commonplace and belong to conventional methods or common knowledge. They will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A light guide film bonding device for a backlight module, characterized in that, include: A base (1) is provided with a film-coating machine (3) fixedly installed on one side of the top of the base (1); A clamping mechanism is mounted on the base (1) and is used to clamp and adjust the position of the light guide plate. A cleaning component is mounted on the clamping mechanism and is used to clean the surface of the light guide plate after clamping.

2. The light guide film bonding device for a backlight module according to claim 1, characterized in that, The clamping mechanism includes two fixed frames (8) symmetrically fixedly arranged on the top of the base (1). A movable frame (9) is slidably arranged on the side of the two fixed frames (8) that are close to each other. A plurality of rollers (10) are evenly distributed at the bottom of the two movable frames (9). An electric push rod (11) is embedded in the outer side of the two fixed frames (8). The output end of the two electric push rods (11) is fixedly connected to the two movable frames (9) respectively.

3. The light guide film bonding device for a backlight module according to claim 2, characterized in that, The cleaning assembly includes a support frame (12) fixedly mounted on the top of the fixed frame (8). A pneumatic push rod (13) is fixedly mounted on the top of the support frame (12). An inverted U-shaped frame (14) is slidably mounted on the bottom of the support frame (12). The output end of the pneumatic push rod (13) passes through the top of the support frame (12) and is fixedly connected to the bottom of the inverted U-shaped frame (14). Two roller felts (15) are symmetrically rotated on the inner side of the inverted U-shaped frame (14). A scraper (16) is fixedly mounted on the front side of the inverted U-shaped frame (14).

4. The light guide film bonding device for a backlight module according to claim 1, characterized in that, A frame (4) is fixedly installed on the top of the base (1) between two fixed frames (8). Multiple rollers (5) are rotatably installed on the inner side of the frame (4). Two conveyor belts (6) are symmetrically mounted on the outside of the multiple rollers (5). There is a gap between the two conveyor belts (6). A motor (7) is fixedly installed on one side of the frame (4). One end of the output shaft of the motor (7) is fixedly connected to one of the rollers (5).

5. The light guide film bonding device for a backlight module according to claim 1, characterized in that, A fixed seat (17) is fixedly installed at the top of the base (1) in the gap between the two conveyor belts (6). A reciprocating screw (18) is rotatably installed inside the fixed seat (17). A moving rod (19) is slidably installed on the top of the fixed seat (17). The moving rod (19) is threadedly connected to the reciprocating screw (18). A push block (20) is fixedly installed on the top of the moving rod (19). A second motor (21) is fixedly installed on one side of the fixed seat (17). One end of the output shaft of the second motor (21) is fixedly connected to the reciprocating screw (18).

6. The light guide film bonding device for a backlight module according to claim 1, characterized in that, The top of the base (1) is fixedly covered with a transparent cover (2).

7. The light guide film bonding device for a backlight module according to claim 5, characterized in that, The pusher block (20) is inclined near the feed inlet.

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