Diffusion film processing device capable of realizing multi-layer synchronous coating

By combining a gear meshing system and a cam-impacted screen plate, the problems of wrinkles and impurities during the diffusion film coating process are solved, achieving precise alignment and coating uniformity of multi-layer coating, and improving the optical performance and overall quality of the diffusion film.

CN223642128UActive Publication Date: 2025-12-09SUZHOU MAIXU ELECTRONIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422985421.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-12-09
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing diffusion film processing equipment is prone to wrinkles during the coating process, resulting in uneven coating thickness, affecting optical performance and multi-layer coating alignment, and reducing product quality.

Method used

A gear meshing system is used to move the adjusting roller up and down to keep the diffusion film flat, and a motor-driven cam strikes the screen plate to remove impurities after cutting, ensuring coating uniformity and diffusion film cleanliness.

Benefits of technology

It achieves precise alignment and uniform distribution of multilayer diffusion film coating, improving optical performance and product cleanliness, and ensuring product specification consistency and quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223642128U_ABST
    Figure CN223642128U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of diffusion film processing, and discloses a diffusion film processing device capable of realizing multi-layer synchronous coating, which comprises a device shell, a plurality of coating rollers are rotatably connected to the right side of the interior of the device shell, guide rails are fixedly connected to the interior of the device shell, two sliding blocks are slidably connected to the ends, close to each other, of the two guide rails, and the two sliding blocks are slidably connected to the right side of the device shell. The front end of one sliding block is fixedly connected with a first motor, the driving end of the first motor is fixedly connected with a first gear, the front end of the other sliding block is rotationally connected with a second gear, the front end of the second gear is rotationally connected with a connecting rod, and the front end of the first gear is rotationally connected with an adjusting roller. Ring sleeves are fixedly connected to the outer portions of the front end and the rear end of the adjusting roller. According to the utility model, the diffusion film can be kept flat, wrinkles are avoided, the coating is uniformly distributed, the stability of optical performance is ensured, accurate positioning is facilitated, and the multi-layer coating can be accurately aligned.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to diffusion film processing technical field especially relates to diffusion film processing device that can realize multilayer synchronous coating. BACKGROUND

[0002] Diffusion film is mainly used for liquid crystal display (LCD) equipment. Its function is to diffuse the light emitted by point light source or line light source evenly, so that the light distribution is more uniform and soft. In the backlight module, diffusion film can effectively improve the bright spot problem caused by light source concentration, thereby improving display quality.

[0003] When the device operates, the diffusion film substrate is conveyed to the coating area. Multiple coating nozzles are opened synchronously according to the set program, and various coating materials are uniformly sprayed on the film. During the transmission process, the precise transmission and positioning system controls the moving speed and position of the film to ensure the accuracy and uniformity of multilayer coating, and then the processing is completed through drying and other processes.

[0004] In the prior art, during the coating process, the diffusion film will wrinkle, which will cause uneven coating thickness, thick in some places and thin in some places, seriously affecting the optical performance of the diffusion film, and also making the multilayer coating not well aligned, ultimately reducing product quality. Therefore, the diffusion film processing device that can realize multilayer synchronous coating is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a diffusion film processing device that can realize multilayer synchronous coating, aiming at improving the problem that the diffusion film cannot be tensioned and adjusted in the prior art, and the diffusion film will wrinkle, which is not convenient for subsequent processing and coating.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The diffusion film processing device that can realize multilayer synchronous coating comprises a device shell, a plurality of coating rollers are rotatably connected to the right side of the inside of the device shell, guide rails are fixedly connected to the inside of the device shell, two sliding blocks are slidably connected to the proximal end of the two guide rails, a motor one is fixedly connected to the front end of one of the sliding blocks, a gear one is fixedly connected to the driving end of the motor one, a gear two is rotatably connected to the front end of the other sliding block, a connecting rod is rotatably connected to the front end of the gear two, adjusting rollers are rotatably connected to the front end of the gear one, ring sleeves are fixedly connected to the front and rear ends of the adjusting rollers, a linkage rod is fixedly connected to the proximal end of the two ring sleeves, and a transmission assembly for processing diffusion film is fixedly connected to the left side of the inside of the device shell.

[0008] As a further description of the above technical scheme:

[0009] The exterior of the first gear is in meshing connection with the exterior of the second gear, and the left and right ends of the adjusting roller are rotationally connected to the interior of the ring sleeve.

[0010] As a further description of the above technical solution:

[0011] The transmission assembly comprises a conveying belt, the front and rear ends of the conveying belt are fixedly connected to the left interior of the device shell, and the interior top end of the device shell is fixedly connected with a cutting assembly for cutting the diffusion film;

[0012] As a further description of the above technical solution:

[0013] The cutting assembly comprises a fixed plate, the front and rear ends of the fixed plate are fixedly connected to the interior top end of the device shell, the bottom of the fixed plate is fixedly connected with a hydraulic cylinder, the driving end of the hydraulic cylinder is fixedly connected with a cutting knife, and the interior rear end of the device shell is fixedly connected with a screening assembly for processing the diffusion film;

[0014] As a further description of the above technical solution:

[0015] The screening assembly comprises a second motor, the front end of the second motor is fixedly connected to the left rear end of the device shell, the driving end of the second motor is fixedly connected with a rotating rod, and the exterior of the rotating rod is fixedly connected with two cams;

[0016] As a further description of the above technical solution:

[0017] The interior left end of the device shell is fixedly connected with a collecting box, the interior of the collecting box is fixedly connected with a plurality of mounting plates, the top of the mounting plate is fixedly connected with a providing column, the exterior of the providing column is sleeved with a spring, and the exterior of a plurality of providing columns is slidably connected with a screen plate;

[0018] As a further description of the above technical solution:

[0019] One end of the spring is fixedly connected to one side of the providing column, and the other end of a plurality of springs is respectively in contact with the top periphery of the screen plate;

[0020] As a further description of the above technical solution:

[0021] The exterior of the screen plate is slidably connected to the interior of the collecting box, and the bottom of the screen plate is in contact with the exterior of the two cams.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, first through the starting motor drives gear one to rotate, when gear one can be mutually engaged with gear two in the process of rotating, make gear two can drive the link rod to move up and down, realized can make the diffusion film keep flat, avoid the wrinkle, make the coating uniform distribution, ensure the stability of optical performance, also help accurate positioning, make multilayer coating can be accurate alignment.

[0024] 2. In the utility model, through motor two drives the rotation of the link and the cam, so that the cam can hit the screen plate to extrude the spring to produce potential energy, realized after cutting screening can effectively remove the edge burr, chippings and other impurities generated by cutting, improve the cleanliness of diffusion film, avoid its influence product performance, guarantee the consistency and standardization of product specification, improve the overall quality of product. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the three-dimensional schematic view of the diffusion film processing device that can realize multilayer synchronous coating that the utility model provides;

[0026] Figure 2 It is the structure schematic view of the cutting knife of the diffusion film processing device that can realize multilayer synchronous coating that the utility model provides;

[0027] Figure 3 It is Figure 2 The enlarged view in A of the utility model;

[0028] Figure 4 It is the structure schematic view of the screen plate of the diffusion film processing device that can realize multilayer synchronous coating that the utility model provides;

[0029] Figure 5 It is the structure schematic view of the cam of the diffusion film processing device that can realize multilayer synchronous coating that the utility model provides.

[0030] LEGEND:

[0031] 1, device shell;2, coating roller;3, guide rail;4, sliding block;5, motor one;6, gear one;7, gear two;8, link rod;9, ring sleeve;10, linkage rod;11, adjusting roller;12, conveying belt;13, collection box;14, fixed plate;15, hydraulic cylinder;16, cutting knife;17, motor two;18, rotation link;19, cam;20, provide column;21, spring;22, screen plate;23, mounting plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0033] With reference to Figures 1 to 3 The present utility model provides an embodiment: can realize the diffusion film processing device of multilayer synchronous coating, including device shell 1, device shell 1 as the external protection and support structure of whole device provides stable installation base and working environment for internal component, the inside right side of device shell 1 is rotatably connected with multiple coating rollers 2, and the coating roller 2 is the key component for diffusion film coating operation, can make paint adhere evenly on the surface of diffusion film, can also evenly paint the upper and lower ends of diffusion film, the inside of device shell 1 is fixedly connected with guide rail 3, the similar end of two guide rails 3 is slidably connected with two sliding blocks 4, and guide rail 3 provides accurate guide path for the sliding of subsequent sliding block 4, ensures the accuracy and stability of the movement of relevant components, the front end of one sliding block 4 is fixedly connected with motor one 5, and motor one 5 is used as power source and provides power support for whole transmission system, the driving end of motor one 5 is fixedly connected with gear one 6, and gear one 6 can be driven to rotate by motor one 5, the front end of another sliding block 4 is rotatably connected with gear two 7, the outside of gear one 6 and gear two 7 is meshingly connected, gear one 6 can transmit the power of motor one 5 to gear two 7 in the process of rotating, the front end of gear two 7 is rotatably connected with link rod 8, and link rod 8 can be driven to move up and down by gear two 7, the front end of gear one 6 and gear two 7 is rotatably connected with adjusting roller 11, gear one 6 and one adjusting roller 11 are in rotating relationship, and then will not rotate, the outside of the front and rear ends of adjusting roller 11 is fixedly connected with ring sleeve 9, the left and right ends of adjusting roller 11 are rotatably connected in the inside of ring sleeve 9, the similar end of two ring sleeves 9 is fixedly connected with linkage rod 10, and two adjusting rollers 11 can be made to move up and down by linkage rod 10 and ring sleeve 9.

[0034] With reference to Figures 3 to 5The left side of the inside of the device shell 1 is fixedly connected with a transmission assembly for processing the diffusion film, the transmission assembly includes a conveyor belt 12, the conveyor belt 12 is the key medium for the horizontal movement of the diffusion film in the device, the front and back of the conveyor belt 12 are fixedly connected to the left side of the inside of the device shell 1, the top end of the inside of the device shell 1 is fixedly connected with a cutting assembly for cutting the diffusion film, the cutting assembly includes a fixed plate 14, the fixed plate 14 is a basic fixed component of the cutting assembly, and the front and back ends thereof are fixedly connected to the top end of the inside of the device shell 1, thereby providing a stable support platform for other cutting related components, the front and back ends of the fixed plate 14 are fixedly connected to the top end of the inside of the device shell 1, and the bottom of the fixed plate 14 is fixedly connected with a hydraulic cylinder 15, the hydraulic cylinder 15 is a core component for providing cutting power, and it can accurately stretch and retract according to a control instruction, the driving end of the hydraulic cylinder 15 is fixedly connected with a cutting knife 16, the cutting knife 16 is hard in material and sharp in blade edge, and can accurately cut diffusion films of different thicknesses and materials, thereby meeting diversified processing requirements.

[0035] The rear end of the inside of the device shell 1 is fixedly connected with a screening assembly for processing the diffusion film, the screening assembly includes a motor two 17, the front end of the motor two 17 is fixedly connected to the left side of the rear end of the device shell 1, the motor two 17 can drive the subsequent workpiece to rotate, the driving end of the motor two 17 is fixedly connected with a rotating rod 18, the rotating rod 18 is a power transmission and conversion component, which transmits the rotating power of the motor two 17 to the subsequent components, the outside of the rotating rod 18 is fixedly connected with two cams 19, the unique shape design of the cam 19 can convert the rotating motion of the rotating rod 18 into periodic up-and-down reciprocating motion, the left end of the inside of the device shell 1 is fixedly connected with a collection box 13, the collection box 13 is a temporary storage and classification container for screened materials, the inside of the collection box 13 is fixedly connected with a plurality of mounting plates 23, the mounting plates 23 can provide the effect of mounting the subsequent workpiece, the top of the mounting plate 23 is fixedly connected with a providing column 20, the providing column 20 can be fixed by the mounting plate 23, the outside of the providing column 20 is sleeved with a spring 21, the outside of a plurality of providing columns 20 is slidably connected with a screen plate 22, the providing column 20 provides a mounting basis for the spring 21 and guides the sliding direction of the screen plate 22, one end of the spring 21 is fixedly connected to one side of the providing column 20, the providing column 20 can provide a fixing source for the spring 21, the other end of a plurality of springs 21 is respectively in contact with the top of the screen plate 22, the spring 21 is extruded by the screen plate 22, so that the spring 21 is deformed, thereby generating potential energy to increase the shaking force of the screen plate 22, the outside of the screen plate 22 is slidably connected in the inside of the collection box 13, the outside of the two cams 19 is in contact with the bottom of the screen plate 22, the screen plate 22 can be hit by the cams 19 to move up and down, the screen plate 22 is a key component for screening the diffusion film, and a screen hole with a suitable aperture is distributed on the surface of the screen plate 22, which can screen the slag on the diffusion film according to the slag, so as to avoid affecting the product performance, guarantee the consistency and standardization of the product specifications, and improve the overall quality of the product.

[0036] Working principle: when the diffusion film needs to be coated, first put the diffusion film between the plurality of coating rollers 2, and tension the diffusion film to achieve the best coating effect. First, start the motor 5 to drive the gear 6 to rotate. When the gear 6 rotates, it can engage with the gear 7, which can drive the connecting rod 8 to move up and down, so that the connecting rod 8 can pull one of the adjusting rollers 11 to move. The ring 9 at the two ends of the adjusting roller 11 can be fixed by the connecting rod 10. When one of the adjusting rollers 11 moves, the other adjusting roller 11 can be moved by the ring 9 and the connecting rod 10. When the two adjusting rollers 11 move, the two sliding blocks 4 on the guide rail 3 can move, so that the motor 5 and the gear 7 can also move on the sliding block 4. The two adjusting rollers 11 can move up and down. When the diffusion film is placed between the two adjusting rollers 11, it can be adjusted up and down, so that the diffusion film can become tight or loose, to ensure the integrity of the coating roller 2 on the upper and lower ends of the diffusion film, so as to realize the effect of multi-layer synchronous coating.

[0037] When the coating is completed, the diffusion film needs to be cut. First, start the hydraulic cylinder 15 to drive the cutting knife 16 to descend. When the cutting knife 16 descends, it can cut the diffusion film. When the cut diffusion film needs to be transported, first, the diffusion film can move on the top of the conveyor belt 12. When the material enters the inside of the collecting box 13, start the motor 17 to drive the rotating rod 18 to rotate. When the rotating rod 18 rotates, it can drive the two fixed external cams 19 to rotate. Because of the shape of the cam 19, the cam 19 can hit the sieve plate 22 to rise. When the sieve plate 22 rises, it can squeeze the spring 21 to contract, so that the spring 21 deforms and generates potential energy, thereby increasing the rebound speed of the sieve plate 22, and the sieve plate 22 can separate the cut diffusion film on the top of the sieve plate 22, and clean the diffusion film to ensure the cleanliness of the diffusion film.

[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. Diffusion film processing device enabling multilayer simultaneous coating, comprising a device housing (1), characterized in that: The inside right side of the device shell (1) is rotatably connected with a plurality of coating rollers (2), the inside of the device shell (1) is fixedly connected with guide rails (3), the proximal end of the two guide rails (3) is slidably connected with two sliding blocks (4), the front end of one of the sliding blocks (4) is fixedly connected with a motor (5), the driving end of the motor (5) is fixedly connected with a gear (6), the front end of the other sliding block (4) is rotatably connected with a gear (7), the front end of the gear (7) is rotatably connected with a connecting rod (8), the front end of the gear (6) is rotatably connected with an adjusting roller (11), the front and rear ends of the adjusting roller (11) are fixedly connected with a ring (9), the proximal end of the two rings (9) is fixedly connected with a linkage rod (10), the inside left side of the device shell (1) is fixedly connected with a transmission assembly for processing diffusion film.

2. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 1, wherein: The outside of the gear (6) is meshedly connected with the outside of the gear (7), and the left and right ends of the adjusting roller (11) are rotatably connected in the inside of the ring (9).

3. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 1, wherein: The transmission assembly comprises a conveyor belt (12), the front and rear of the conveyor belt (12) are fixedly connected in the inside left side of the device shell (1), and the inside top end of the device shell (1) is fixedly connected with a cutting assembly for cutting diffusion film.

4. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 3, wherein: The cutting assembly comprises a fixed plate (14), the front and rear ends of the fixed plate (14) are fixedly connected in the inside top end of the device shell (1), the bottom of the fixed plate (14) is fixedly connected with a hydraulic cylinder (15), the driving end of the hydraulic cylinder (15) is fixedly connected with a cutting knife (16), and the inside rear end of the device shell (1) is fixedly connected with a screening assembly for processing diffusion film.

5. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 4, wherein: The screening assembly comprises a motor (17), the front end of the motor (17) is fixedly connected to the rear left side of the device shell (1), the driving end of the motor (17) is fixedly connected with a rotating rod (18), and the outside of the rotating rod (18) is fixedly connected with two cams (19).

6. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 5, wherein: The inside left end of the device shell (1) is fixedly connected with a collecting box (13), the inside of the collecting box (13) is fixedly connected with a plurality of mounting plates (23), the top of the mounting plate (23) is fixedly connected with a providing column (20), the outside of the providing column (20) is sleeved with a spring (21), and the outside of the providing column (20) is slidably connected with a screen plate (22).

7. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 6, wherein: One end of the spring (21) is fixedly connected to one side of the providing column (20), and the other end of the spring (21) is respectively in contact with the top of the screen plate (22).

8. The multi-layer synchronous coating enabled diffusion film processing apparatus of claim 7, wherein: The outside of the screen plate (22) is slidably connected in the inside of the collecting box (13), and the outside of the two cams (19) is in contact with the bottom of the screen plate (22).