Fixing device for film coating of backlight plate

By designing clamping and stopping components, the problems of unstable clamping and untimely film cutting during the backlight panel lamination process were solved, achieving stable lamination and cutting effects for backlight panels of different sizes.

CN223456471UActive Publication Date: 2025-10-21DALIAN HYUNDAI LCD CO LTD
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Patent Information

Application Number
CN202422708201.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-21
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The existing technology cannot effectively clamp backlight panels of different sizes and cannot cut off excess film in time.

Method used

The invention adopts a clamping assembly and a stopping assembly. The clamping assembly drives the clamping piece through a motor to clamp the backlight panel, and the stopping assembly limits the position of the backlight panel through a baffle to adapt to backlight panels of different lengths.

Benefits of technology

It enables effective clamping of backlight panels of different sizes and timely cutting of excess film, ensuring the stability and consistency of the coating effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of backlight plate film coating, in particular to a fixing device for backlight plate film coating. Comprising a film laminating machine body and further comprises a clamping assembly, and the clamping assembly comprises a plurality of first guide rails fixedly arranged at the bottom of the film laminating machine body, a pair of sliding frames arranged on the corresponding first guide rails in a sliding mode, a first threaded shaft rotationally arranged at the bottom of the film laminating machine body and a pair of clamping pieces rotationally arranged on the first threaded shaft in a threaded mode; the motor is fixedly arranged on one side of the film laminating machine body, and the stopping assembly comprises a support arranged on the film laminating machine body in a sliding mode, a baffle arranged on the support in a sliding mode and a first telescopic rod fixedly arranged at the top of the support. Compared with the prior art, the clamping device has the advantages that backlight plates with different sizes can be clamped, and the positions of the backlight plates with different lengths on the film laminating machine main body can be limited.
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Description

TECHNICAL FIELD

[0001] The utility model relates to backlight laminating technical field, specifically point to a kind of backlight laminating with fixing device. BACKGROUND

[0002] Backlight is indispensable component in liquid crystal display device, and the working principle of backlight is mainly using light source, through backlight, reflecting sheet, diffusion sheet and other components, light is evenly distributed to the entire display screen, so that liquid crystal display screen can clearly display image. Laminating can protect the surface of backlight from scratching, abrasion and chemical corrosion, and prolong the service life of backlight. By laminating backlight, the optical performance of backlight can be improved, so as to improve the display effect of liquid crystal display screen.

[0003] Laminating machine is a kind of equipment specially used for covering film on the surface of backlight, and the backlight to be laminated is input into the working area of laminating machine by conveying device. Film roll device is installed in laminating machine, which is used for loading protective film reel, and laminating machine will cut the film to ensure covering the surface of backlight. Backlight is driven by conveying device to enter laminating area, and film will be released and covered on backlight to form protective film layer. After laminating, compaction and shaping are usually needed to ensure that protective film is closely attached to the surface of backlight and form flat laminating effect. Backlight after laminating will be output by conveying device, and can enter next process or packaging link.

[0004] The following shortcomings are found in subsequent use process:

[0005] 1. Different sizes of backlight cannot be effectively clamped, so that the backlight cannot be guaranteed to be in the middle position during laminating;

[0006] 2. The laminating machine main body cannot cut the covered film in time after laminating backlight with different lengths.

[0007] Therefore, in view of the above, the existing structure is studied and improved, and a backlight laminating fixing device is proposed. UTILITY MODEL CONTENT

[0008] The technical problem to be solved by the utility model is that different sizes of backlight cannot be guaranteed to be in position on laminating machine, and excess film cannot be cut in time.

[0009] To solve the above technical problems, the technical scheme adopted by the utility model is as follows: a backlight laminating fixing device, comprising laminating machine main body, clamping assembly, stop assembly, and the stop assembly is arranged on the laminating machine main body.

[0010] As a further scheme of the utility model: the clamping assembly includes a plurality of first guide rails fixedly arranged at the bottom of the laminating machine body, a pair of sliding frames slidingly arranged on the corresponding first guide rails, a first threaded shaft rotationally arranged at the bottom of the laminating machine body, a pair of clamping pieces threadedly rotatingly arranged on the first threaded shaft, and a motor fixedly arranged at one side of the laminating machine body.

[0011] As a further scheme of the utility model: a pair of sliding holes one are arranged on the sliding frames for the first guide rails to slidingly pass through, a second threaded shaft is rotationally arranged on the laminating machine body, and the second threaded shaft threadedly rotates through the pair of sliding frames.

[0012] As a further scheme of the utility model: a pair of clamping pieces are provided with threaded grooves one for the first threaded shaft to threadedly rotate through, two threads are symmetrically arranged on the first threaded shaft and the second threaded shaft, the rotation directions of the two threads are opposite, and a knob is fixedly arranged at one end of the second threaded shaft.

[0013] As a further scheme of the utility model: the output shaft of the motor is fixedly connected with one end of the first threaded shaft, the first threaded shaft penetrates through the pair of sliding frames, and the sliding frames are provided with through holes two for the first threaded shaft to penetrate through.

[0014] As a further scheme of the utility model: the stop assembly includes a support slidingly arranged on the laminating machine body, a baffle slidingly arranged on the support, a first telescopic rod fixedly arranged at the top of the support, and the fixed end of the first telescopic rod is fixedly arranged on the support, and the movable end is fixedly arranged on the baffle.

[0015] As a further scheme of the utility model: a second telescopic rod is arranged at one side of the support, the fixed end of the second telescopic rod is fixedly arranged on the laminating machine body, the movable end is fixedly arranged on the support, a pair of sliding strips are arranged on the laminating machine body, and a sliding groove is arranged on the support and slidingly cooperates with the sliding strips.

[0016] Compared with the prior art, the utility model has the beneficial effects of:

[0017] 1、The utility model discloses a clamping assembly is arranged, utilizes the motor drive a pair of clamping pieces to clamp the backlight, through a pair of sliding frames limit the position of clamping piece, avoid excessive clamping the backlight;

[0018] 2、The utility model discloses a stop assembly is arranged, utilizes the baffle to limit the position of backlight, through adjusting the position of baffle to adapt to the backlight of different length. DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0020] Figure 1 The overall structure schematic of the fixing device for the backlight panel film covering of the present application Figure 1 .

[0021] Figure 2 The overall structure schematic of the fixing device for the backlight panel film covering of the present application Figure 2 .

[0022] Figure 3 The A part structure schematic of the fixing device for the backlight panel film covering of the present application.

[0023] Figure 4 The partial structure schematic of the fixing device for the backlight panel film covering of the present application.

[0024] In the drawings:

[0025] 1, film laminating machine main body; 2, clamping assembly; 2.1, first guide rail; 2.2, sliding frame; 2.3, first threaded shaft; 2.4, clamping piece; 2.5, motor; 2.6, second threaded shaft; 3, stop assembly; 3.1, support; 3.2, baffle; 3.3, first telescopic rod; 3.4, second telescopic rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] As shown in the accompanying drawings of the specification Figure 1 , 2 A fixing device for backlight panel film covering, comprising a film laminating machine main body 1, further comprising a clamping assembly 2, the clamping assembly 2 is arranged at the bottom of the film laminating machine main body 1, further comprising a stop assembly 3, the stop assembly 3 is arranged on the film laminating machine main body 1, and the film laminating machine main body 1 is provided with different components such as a conveying device, a film laminating device, a pressing device and a shearing device.

[0028] As shown in the accompanying drawings of the specification Figure 1 , 2As shown in Figures 3 and 4, the clamping assembly 2 includes a plurality of first guide rails 2.1 fixedly mounted at the bottom of the laminator body 1, a pair of slide frames 2.2 slidably mounted on the corresponding first guide rails 2.1, a first threaded shaft 2.3 rotatably mounted at the bottom of the laminator body 1, a pair of clamping members 2.4 threadably mounted on the first threaded shaft 2.3, and a motor 2.5 fixedly mounted on one side of the laminator body 1. The pair of slide frames 2.2 are provided with through-holes 1 through which the corresponding first guide rails 2.1 slide. A second threaded shaft 2.6 is rotatably mounted on the laminator body 1 and threadably extends through the pair of slide frames 2.2. A pair of second guide rails are fixedly mounted at the bottom of the laminating machine body 1. These guide rails slide through a clamping member 2.4. The clamping member 2.4 is provided with a thread groove (I) for the first threaded shaft 2.3 to rotate through, and a through hole (III) for the second guide rails to slide through. Both the first threaded shaft 2.3 and the second threaded shaft 2.6 are symmetrically provided with two sections of thread, with the two sections rotating in opposite directions. The pair of slide frames 2.2 and the pair of clamping members 2.4 are respectively mounted on the two sections of thread. A knob is fixedly mounted on one end of the second threaded shaft 2.6. Rotating the knob rotates the second threaded shaft 2.6, which in turn drives the pair of slide frames 2.2 to move in opposite directions, thereby adjusting the distance between the pair of slide frames 2.2. The output shaft of the motor 2.5 is fixedly connected to one end of the first threaded shaft 2.3. The first threaded shaft 2.3 extends through the pair of slide frames 2.2. The slide frames 2.2 are provided with a through hole (II) for the first threaded shaft 2.3 and the second guide rail to pass through.

[0029] As the instruction manual Figure 1 、 2 As shown in Figures 4 and 5, the stop assembly 3 includes a bracket 3.1 slidably mounted on the laminating machine body 1, a baffle 3.2 slidably mounted on the bracket 3.1, and a first telescopic rod 3.3 fixedly mounted at the top of the bracket 3.1. The fixed end of the first telescopic rod 3.3 is fixedly mounted on the bracket 3.1, and the movable end is fixedly mounted on the baffle 3.2. A second telescopic rod 3.4 is mounted on one side of the bracket 3.1. The fixed end of the second telescopic rod 3.4 is fixedly mounted on the laminating machine body 1, and the movable end is fixedly mounted on the bracket 3.1. A pair of slide bars are mounted on the laminating machine body 1, and a slide groove is provided on the bracket 3.1 to slidably cooperate with the slide bars, allowing the bracket 3.1 to slide stably along the slide bars. The bracket 3.1 is also provided with a slide groove for the baffle 3.2 to slide.

[0030] The working principle of this utility model:

[0031] Rotating the knob, the knob drives the second threaded shaft 2.6, drives a pair of sliding frames 2.2 to slide along the corresponding first guide rail 2.1, and finally makes a pair of sliding frames 2.2 respectively contact with both sides of the backlight plate. Then adjust the length of the second telescopic rod 3.4, thereby changing the position of the bracket 3.1 and the baffle 3.2, then extend the first telescopic rod 3.3, drive the baffle 3.2 to slide on the bracket 3.1, and finally make the baffle 3.2 reach above the laminating machine body 1, limit the position of the backlight plate. Then start the laminating machine body 1 to drive the backlight plate to move on the laminating machine body 1, when one end of the backlight plate reaches the laminating position, start the motor 2.5, the output shaft of the motor 2.5 drives the first threaded shaft 2.3 to rotate, thereby driving a pair of clamping pieces 2.4 to move, until the clamping piece 2.4 clamps the two sides of the backlight plate, at this time the clamping piece 2.4 contacts with the corresponding sliding frame 2.2, avoiding the clamping piece 2.4 to clamp the backlight plate too much, then laminating and pressing the backlight plate, then move the backlight plate, when one end of the backlight plate contacts with the baffle 3.2, the cutting device cuts off the excess film, then retract the first telescopic rod 3.3, drive the baffle 3.2 to rise, avoid blocking the subsequent movement of the backlight plate.

[0032] The above describes the present application and its embodiments, which is not restrictive, and the drawings shown is only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme, which should belong to the protection scope of the present application.

Claims

1. A fixing device for a backlight panel film laminating apparatus comprising a film laminating apparatus main body (1), characterized by: Also include clamping assembly (2), clamping assembly (2) is arranged at the bottom of the laminating machine body (1), also includes a stop component (3), the stop component (3) is arranged on the laminating machine body (1).

2. The fixing device for backlight panel film according to claim 1, characterized in that: The clamping assembly (2) comprises a plurality of first guide rails (2.1) fixedly arranged at the bottom of the laminating machine body (1), a pair of sliding frames (2.2) slidingly arranged on the corresponding first guide rails (2.1), a first threaded shaft (2.3) rotatably arranged at the bottom of the laminating machine body (1), a pair of clamping pieces (2.4) threadedly rotatably arranged on the first threaded shaft (2.3), and a motor (2.5) fixedly arranged on one side of the laminating machine body (1).

3. The fixing device for backlight panel film according to claim 2, characterized in that: A pair of sliding frames (2.2) are provided with a through hole one for the corresponding first guide rail (2.1) to slide through, and a second threaded shaft (2.6) is rotatably arranged on the laminating machine body (1), and the second threaded shaft (2.6) threadedly rotates through a pair of sliding frames (2.2).

4. The fixing device for backlight panel film according to claim 3, characterized in that: A pair of clamping pieces (2.4) are provided with a threaded groove one for the first threaded shaft (2.3) to threadedly rotate through, and two sections of threads are symmetrically arranged on the first threaded shaft (2.3) and the second threaded shaft (2.6), and the rotation directions of the two sections of threads are opposite, and a knob is fixedly arranged at one end of the second threaded shaft (2.6).

5. The fixing device for backlight panel film according to claim 4, wherein: The output shaft of the motor (2.5) is fixedly connected with one end of the first threaded shaft (2.3), the first threaded shaft (2.3) penetrates a pair of sliding frames (2.2), and the sliding frame (2.2) is provided with a through hole two for the first threaded shaft (2.3) to penetrate.

6. The fixing device for backlight panel film according to claim 1, characterized in that: The stop component (3) comprises a bracket (3.1) slidingly arranged on the laminating machine body (1), a baffle (3.2) slidingly arranged on the bracket (3.1), a first telescopic rod (3.3) fixedly arranged at the top of the bracket (3.1), and the fixed end of the first telescopic rod (3.3) is fixedly arranged on the bracket (3.1), and the moving end is fixedly arranged on the baffle (3.2).

7. The fixing device for backlight panel film according to claim 6, wherein: The bracket (3.1) is provided with a second telescopic rod (3.4) on one side, the fixed end of the second telescopic rod (3.4) is fixedly arranged on the laminating machine body (1), the moving end is fixedly arranged on the bracket (3.1), and the laminating machine body (1) is provided with a pair of sliding strips, and the bracket (3.1) is provided with a sliding groove slidingly matched with the sliding strips.