Optical film fixing device

By designing an optical film fixing device that includes a limiting frame and an external mounting bracket, the adjustment structure is used to achieve stable fixation and flexible adjustment of the optical film, solving the problem of poor fixing effects and low processing adaptability in the existing technology. problem, improving the stability and adaptability of cutting processing.

CN222379932UActive Publication Date: 2025-01-21SU ZHOU JINLIANG PHOTOELECTRIC MATERIAL CO LTD
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Patent Information

Application Number
CN202421252754.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-21
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

Existing optical diaphragm fixing devices cannot fast and efficiently fix the optical diaphragm, resulting in uneven cutting and processing and difficulty in flexibly adjusting to accommodate diaphragms of different specifications.

Method used

An optical film fixing device including a limit frame and an external mounting frame is designed to achieve stable fixation and flexible adjustment of the optical film through an adjustment structure (such as an adjustment seat, a cutting support plate, a telescopic rod, etc.).

Benefits of technology

It achieves fast and stable fixation of the optical diaphragm, avoids vibration of the diaphragm during the cutting process, ensures the flatness of the cutting position, and improves processing adaptability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of optical films, in particular to an optical film fixing device which comprises a limiting frame and an outer mounting frame fixedly connected with the limiting frame, the outer mounting frame is fixedly connected to the back face of the limiting frame, the outer end of the limiting frame is fixedly connected with an extension plate, and the bottom end of the extension plate is fixedly connected with a guide rod. The guide rods are sleeved with adjusting structures, the adjusting structures are located under the limiting frame at the same time, and the two sides of the bottom of the limiting frame are fixedly connected with outer mounting frames. The effect of facilitating sliding adjustment of the whole adjusting structure along the guide rod is achieved through the guide rod, the effect of facilitating supporting of one end of the optical film in a fixed state is achieved through the adjusting base, and the effect of facilitating adaptive connection of the adjusting base and the adjusting clamping plate is achieved through the supporting table. The effect of supporting the cutting end of the optical film is achieved through the cutting supporting plate, and the cutting opening in the surface of the cutting supporting plate facilitates subsequent cutting operation of the cutting end of the optical film.
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Description

Technical Field

[0001] The utility model relates to the technical field of optical membranes, in particular to an optical membrane fixing device. Background Art

[0002] Under a certain light source output, the front view brightness or axial brightness of the liquid crystal module will be improved through prism film, reflective polarizer and high reflectivity reflector. Without increasing the number of light sources, there are two ways to improve the axial brightness. One is to improve the angular distribution of light and concentrate the light on the front view angle. The other is to reduce the loss and increase the total light flux. There are more than 30 optical film manufacturers on the market, the larger ones include LG, 3M, GE, Sony, Rohm and Haas, etc.

[0003] The optical film needs to be cut during processing, and it needs to be limited and fixed first during cutting and trimming. However, the existing fixing device cannot quickly fix the optical film when in use, and the fixing effect is poor, which affects the cutting process. At the same time, during the cutting process, the optical film is easily affected by the cutting and the film vibrates, resulting in the cutting position being not flat enough, and the film specifications cannot be flexibly adjusted and used, and the processing adaptability is low.

[0004] Therefore, the utility model provides an optical film fixing device. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides an optical film fixing device, which can solve:

[0006] The optical film needs to be cut during processing, and it needs to be fixed at a certain position before cutting. However, the existing fixing device cannot quickly fix the optical film well during use, and the fixing effect is poor, which affects the cutting process.

[0007] At the same time, during the cutting process, the optical film is easily affected by the cutting and the film vibrates, resulting in the cutting position being not smooth enough, and the film specifications cannot be flexibly adjusted for use, resulting in low processing adaptability.

[0008] In order to solve the above technical problems, the utility model proposes the following technical solutions:

[0009] An optical film fixing device comprises a limit frame and a fixedly connected external mounting frame, the external mounting frame is fixedly connected to the back side of the limit frame, the outer end of the limit frame is fixedly connected to an extension plate, the bottom end of the extension plate is fixedly connected to a guide rod, an adjustment structure is sleeved on the guide rod, and the adjustment structure is also located directly below the limit frame, the bottom sides of the limit frame are fixedly connected to the external mounting frame, the inner side of the external mounting frame is embedded with a first clamping plate and a second clamping plate, and the inner surface of the second clamping plate is fixedly connected to a protective pad.

[0010] Furthermore, the adjustment structure includes a fixedly connected adjustment seat and a cutting support plate, the surface of the adjustment seat is fixedly provided with a support platform arranged in a "Z" shape, the surface of the support platform is fixedly connected with a telescopic rod, the front of the adjustment seat is matched with an adjustment splint, and the two ends of the adjustment splint are fixedly connected with support side panels arranged in an "L" shape.

[0011] Furthermore, the limit frame is arranged horizontally as a whole, and is arranged as a rectangular frame with the opening facing downward. The top of the outer mounting frame and the inner side of the limit frame are slidingly connected. The first clamping plate and the second clamping plate are both arranged vertically as rectangular plates, and the outer sides of the first clamping plate and the second clamping plate are embedded in the inner side of the outer mounting frame at the same time.

[0012] Furthermore, the outer side of the first clamping plate is fixedly connected to the inner side of the outer mounting frame, the outer side of the second clamping plate is movably connected to the inner side of the outer mounting frame through three sets of adjustment screws, and the protective pad is configured as an elliptical rubber pad and is arranged along the inner surface of the second clamping plate.

[0013] Furthermore, the guide rod is vertically arranged and movably sleeved with the adjustment seat.

[0014] Furthermore, the adjustment seat is arranged horizontally as a whole, and is arranged as a rectangular seat, and the center position of the surface of the adjustment seat is arranged in a rectangular concave position, the support platform is located on both sides of the rectangular concave position of the surface of the adjustment seat, the cutting support plate is arranged as a rectangular plate, and a group of cutting openings are opened horizontally on the surface of the cutting support plate.

[0015] Furthermore, the adjusting splint is arranged horizontally, and a corrugated rubber layer is arranged on the back of the adjusting splint. The adjusting splint is also arranged corresponding to the rectangular concave position of the adjusting seat surface, and the supporting side plate is arranged corresponding to the supporting platform. Multiple groups of spring rods are connected between the supporting side plate and the supporting platform.

[0016] Furthermore, the telescopic rod is configured as an electric telescopic rod, and the telescopic rod is fixedly connected to the supporting side plate at the same time.

[0017] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0018] 1. The limiting frame is used to support one end of the external optical film, the external mounting frame is used to simultaneously mount the first clamping plate and the second clamping plate, the fixed first clamping plate is used to support the bottom surface of one end of the optical film, the movable second clamping plate is used to press down and fix the top surface of one end of the optical film, and the protective pad is used to assist the second clamping plate in completing the pressing and fixing.

[0019] 2. The guide rod is used to facilitate the sliding adjustment of the entire adjustment structure along the guide rod, the adjustment seat is used to facilitate the support of one end of the optical film in a fixed state, the support table is used to facilitate the adaptation and connection between the adjustment seat and the adjustment clamp, and the cutting support plate is used to support the cutting end of the optical film. The cutting opening on the surface facilitates the subsequent cutting operation of the cutting end of the optical film.

[0020] 3. The telescopic rod is used to control the adjustment of the clamping plate to clamp and fix the cut end of the optical film, the clamping plate is adjusted to fix the cut end of the optical film, and the side panels and the support table are used to facilitate the adjustment of the clamping plate and the adjustment seat for adaptation and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0022] Figure 1 It is a top view of the overall structure of the utility model;

[0023] Figure 2 For the utility model Figure 1 A magnified view of the structure at center;

[0024] Figure 3 This is an exploded view of the adjustment structure connection in the utility model.

[0025] Reference numerals:

[0026] 1. Limit frame; 2. External mounting frame; 3. External mounting frame; 4. First clamping plate; 5. Second clamping plate; 6. Protective pad; 7. Extension plate; 8. Guide rod; 9. Adjustment structure; 10. Adjustment seat; 11. Adjustment clamping plate; 12. Support side plate; 13. Cutting support plate; 14. Support table; 15. Telescopic rod. DETAILED DESCRIPTION

[0027] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0028] See also Figure 1-3 As shown, an optical film fixing device includes a limit frame 1 and a fixedly connected external mounting frame 2, the external mounting frame 2 is fixedly connected to the back of the limit frame 1, the outer end of the limit frame 1 is fixedly connected to an extension plate 7, the bottom end of the extension plate 7 is fixedly connected to a guide rod 8, an adjustment structure 9 is sleeved on the guide rod 8, and the adjustment structure 9 is also located directly below the limit frame 1, the limit frame 1 is fixedly connected to external mounting frames 3 on both sides of the bottom, the inner side of the external mounting frame 3 is embedded with a first clamping plate 4 and a second clamping plate 5, and the inner surface of the second clamping plate 5 is fixedly connected to a protective pad 6.

[0029] In the embodiment of the utility model, the adjustment structure 9 includes an adjustment seat 10 and a cutting support plate 13 which are fixedly connected. A support platform 14 arranged in a "Z" shape is fixedly provided on the surface of the adjustment seat 10. A telescopic rod 15 is fixedly connected to the surface of the support platform 14. An adjustment splint 11 is matched with the front of the adjustment seat 10. Support side plates 12 arranged in an "L" shape are fixedly connected at both ends of the adjustment splint 11.

[0030] The limit frame 1 is arranged as a whole in a horizontal direction and is arranged as a rectangular frame, with the opening arranged downward, the top of the outer installation frame 3 is slidably connected to the inner side of the limit frame 1, the first clamping plate 4 and the second clamping plate 5 are both rectangular plates and are arranged vertically, and the outer sides of the first clamping plate 4 and the second clamping plate 5 are simultaneously embedded in the inner side of the outer installation frame 3;

[0031] The outer side of the first clamping plate 4 is fixedly connected to the inner side of the outer mounting frame 3, the outer side of the second clamping plate 5 is movably connected to the inner side of the outer mounting frame 3 through three sets of adjusting screws, and the protective pad 6 is set in an elliptical rubber pad and arranged along the inner surface of the second clamping plate 5;

[0032] The limiting frame 1 is used to support one end of the external optical film, the external mounting frame 3 is used to simultaneously install the first clamping plate 4 and the second clamping plate 5, the fixed first clamping plate 4 is used to support the bottom surface of one end of the optical film, the movable second clamping plate 5 is used to press down and fix the top surface of one end of the optical film, and the protective pad 6 is used to assist the second clamping plate 5 in completing the pressing and fixing.

[0033] The user first slides the adjustment structure 9 vertically to move the adjustment structure 9 away from the limit frame 1, and then the user embeds the external optical film between the limit frame 1 and the external mounting frame 3, so that one end of the optical film is embedded in the limit frame 1. Then the user slides and adjusts the external mounting frame 3 according to the width of the optical film, so that the two groups of external mounting frames 3 are adjusted to the width range of the optical film, and then the two sides of the optical film 3 are embedded between the first clamping plate 4 and the second clamping plate 5, and the second clamping plate 5 is adjusted to be pressed down, and the two sides of the optical film 3 are fixed between the first clamping plate 4 and the second clamping plate 5, and the fixing operation is completed.

[0034] The guide rod 8 is vertically arranged and movably connected with the adjustment seat 10. The adjustment seat 10 is arranged horizontally as a whole and is arranged as a rectangular seat. The center position of the surface of the adjustment seat 10 is arranged in a rectangular concave. The support platform 14 is located on both sides of the rectangular concave position of the surface of the adjustment seat 10. The cutting support plate 13 is arranged as a rectangular plate, and a group of cutting openings are arranged horizontally on the surface of the cutting support plate 13.

[0035] The guide rod 8 is used to facilitate the sliding adjustment of the entire adjustment structure 9 along the guide rod, the adjustment seat 10 is used to facilitate the support of one end of the optical film in a fixed state, the support platform 14 is used to facilitate the adaptive connection between the adjustment seat 10 and the adjustment clamp 11, and the cutting support plate 13 is used to support the cutting end of the optical film, and the cutting opening on its surface facilitates the subsequent cutting operation of the cutting end of the optical film.

[0036] The adjusting clamping plate 11 is arranged horizontally, and a corrugated rubber layer is arranged on the back of the adjusting clamping plate 11. The adjusting clamping plate 11 is arranged corresponding to the rectangular concave position on the surface of the adjusting seat 10, and the supporting side plate 12 is arranged corresponding to the supporting platform 14. A plurality of groups of spring rods are connected between the supporting side plate 12 and the supporting platform 14.

[0037] The telescopic rod 15 is configured as an electric telescopic rod, and the telescopic rod 15 is fixedly connected to the supporting side plate 12 at the same time;

[0038] The telescopic rod 15 is used to control the adjustment clamp 11 to clamp and fix the cut end of the optical film, the adjustment clamp 11 is used to fix the cut end of the optical film, and the support side plate 12 and the support platform 14 are used to facilitate the adaptation and installation of the adjustment clamp 11 and the adjustment seat 10.

[0039] After the optical film is initially fixed, the user slides the adjustment structure 9 to make the adjustment seat 10 close to the limit frame 1. At this time, the cutting end of the optical film passes through the adjustment clamping plate 11 and the adjustment seat 10 and is located on the cutting support plate 13. Then the user makes the adjustment clamping plate 11 fix the cutting end of the optical film under the action of the telescopic rod 15 to ensure the stability of the cutting end of the optical film during the cutting process and avoid vibration of the optical film during the cutting process. During the cutting process, the external cutting mechanism completes the cutting process of the cutting end of the optical film corresponding to the cutting opening on the surface of the cutting support plate 13.

[0040] The sliding sleeve connection between the adjustment seat 9 and the guide rod 8 is set as a resistance type sliding sleeve connection, and the sliding connection between the outer installation frame 3 and the limit frame 1 is set as a slider sliding groove embedded sliding connection.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. An optical film fixing device, characterized in that: The invention comprises a limit frame (1) and a fixedly connected external mounting frame (2), wherein the external mounting frame (2) is fixedly connected to the back of the limit frame (1), an extension plate (7) is fixedly connected to the outer end of the limit frame (1), a guide rod (8) is fixedly connected to the bottom end of the extension plate (7), an adjustment structure (9) is sleeved on the guide rod (8), and the adjustment structure (9) is located directly below the limit frame (1), the two sides of the bottom of the limit frame (1) are fixedly connected to the external mounting frame (3), a first clamping plate (4) and a second clamping plate (5) are embedded in the inner side of the external mounting frame (3), and a protective pad (6) is fixedly connected to the inner surface of the second clamping plate (5).

2. The optical film fixing device according to claim 1, characterized in that: The adjustment structure (9) comprises an adjustment seat (10) and a cutting support plate (13) which are fixedly connected. A support platform (14) arranged in a "Z" shape is fixedly arranged on the surface of the adjustment seat (10). A telescopic rod (15) is fixedly connected to the surface of the support platform (14). An adjustment clamping plate (11) is matched with the front of the adjustment seat (10). Support side plates (12) arranged in an "L" shape are fixedly connected to both ends of the adjustment clamping plate (11).

3. The optical film fixing device according to claim 1, characterized in that: The limit frame (1) is arranged as a whole in a horizontal direction and is arranged as a rectangular frame with an opening facing downwards. The top of the outer installation frame (3) is slidably connected to the inner side of the limit frame (1). The first clamping plate (4) and the second clamping plate (5) are both rectangular plates arranged vertically, and the outer sides of the first clamping plate (4) and the second clamping plate (5) are simultaneously embedded in the inner side of the outer installation frame (3).

4. The optical film fixing device according to claim 1, characterized in that: The outer side of the first clamping plate (4) is fixedly connected to the inner side of the outer mounting frame (3), the outer side of the second clamping plate (5) is movably connected to the inner side of the outer mounting frame (3) via three sets of adjustment screws, and the protective pad (6) is configured as an elliptical rubber pad and is arranged along the inner surface of the second clamping plate (5).

5. The optical film fixing device according to claim 1, characterized in that: The guide rod (8) is vertically arranged and movably sleeved with the adjustment seat (10).

6. The optical film fixing device according to claim 2, characterized in that: The adjustment seat (10) is arranged as a whole in a transverse direction and is arranged as a rectangular seat, and the central position of the surface of the adjustment seat (10) is arranged in a rectangular concave position, the support platform (14) is located on both sides of the rectangular concave position of the surface of the adjustment seat (10), and the cutting support plate (13) is arranged as a rectangular plate, and a group of cutting openings are arranged in a transverse direction on the surface of the cutting support plate (13).

7. The optical film fixing device according to claim 2, characterized in that: The adjusting clamping plate (11) is arranged horizontally, and a corrugated rubber layer is arranged on the back of the adjusting clamping plate (11). The adjusting clamping plate (11) is arranged corresponding to the rectangular concave position on the surface of the adjusting seat (10), and the supporting side plate (12) is arranged corresponding to the supporting platform (14). A plurality of groups of spring rods are connected between the supporting side plate (12) and the supporting platform (14).

8. The optical film fixing device according to claim 2, characterized in that: The telescopic rod (15) is configured as an electric telescopic rod, and the telescopic rod (15) is fixedly connected to the supporting side plate (12).