Cover film UV photocuring device

By introducing adjustment rollers and servo cylinder drive scraper and UV lamp into the optical film UV light curing device, the problems of film tension adjustment and coating thickness control are solved, the light curing effect and coating utilization efficiency are improved, and resource waste is reduced.

CN222956759UActive Publication Date: 2025-06-10JIANGSU XINHONGTAO NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421650851.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-06-10
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

It is difficult for the existing ultraviolet curing device to adjust the tension of the film before photocuring, affecting the photocuring effect, and it is difficult to control the coating thickness and recover excess coatings when the coating is cured, resulting in waste of resources.

Method used

A cover film UV light curing device is designed, including a adjustment roller and an adjustment assembly, which drives the scraper and UV lamp to move through a servo cylinder to achieve adjustment of film tension and uniform coating and recycling of the coating.

Benefits of technology

By adjusting the film tension, the photocuring effect is improved, the uniform coating of the paint and the requirements of different thicknesses are achieved, and the utilization efficiency is improved by recycling excess paint and resource waste is reduced.

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Abstract

The utility model discloses a cover film UV (ultraviolet) photocuring device, which is characterized by comprising a fixed base, a first transmission roller and a second transmission roller, and is characterized in that the first transmission roller and the second transmission roller are rotationally arranged on two sides of the fixed base through support frames; an adjusting roller is arranged on the outer side of the first transmission roller, the two ends of the adjusting roller are fixedly connected with the fixed base through adjusting assemblies, a light curing box is arranged between the first transmission roller and the second transmission roller, and a through groove allowing a covering film to penetrate through is formed in the light curing box; a flow guide groove is formed in the bottom of one side of the through groove; by arranging the adjusting roller and the adjusting assembly, the tension of the cover film can be adjusted before the cover film is subjected to optical fixation treatment, the cover film can be conveniently kept in a tensioned state, and therefore the follow-up optical curing effect of the cover film is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cover film treatment, in particular to a cover film UV curing device. Background Art

[0002] Cover film materials are widely used in many fields, such as touch screens, displays, advertising signs, packaging materials, etc. due to their excellent optical transparency, weather resistance and processability. In order to enhance the surface hardness, abrasion resistance and chemical corrosion resistance of the cover film, a UV coating is usually applied on its surface. The UV coating cures rapidly under ultraviolet light irradiation. Compared with traditional solvent-based coatings, the UV curing technology has significant advantages such as fast curing speed, low environmental pollution and energy saving, so it is widely favored by the industry.

[0003] Referring to the Chinese patent with the publication number CN219923571U, it discloses an ultraviolet light curing device for optical films, including a machine base, a UV curing machine sealing cover connected to the machine base, and a UV lamp group connected inside the UV curing machine sealing cover; an auxiliary heating and uniform spraying device for auxiliary heating and moving spraying treatment of the supplied nitrogen.

[0004] The above ultraviolet light curing device for optical films can achieve the effect of improving the surface UV conversion rate, and at the same time, the abrasion resistance and smoothness of the cured coating surface can also be improved. However, the above ultraviolet light curing device for optical films still has some disadvantages, such as: First, before light curing, it is inconvenient to adjust the tension of the film, resulting in the inability to always maintain the tension of the film, thus affecting the subsequent light curing effect; Second, when curing the coating, it is inconvenient to control the thickness of the coating, and at the same time, when coating the coating on the film surface, it is inconvenient to recycle the excess coating, causing waste. Therefore, a cover film UV curing device is designed. Content of the Utility Model

[0005] Aiming at the problems mentioned in the background art, the purpose of the utility model is to provide a cover film UV curing device to solve the problems mentioned in the background art.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] The cover film UV curing device includes a fixed base, a first driving roller and a second driving roller for transporting the cover film. The first driving roller and the second driving roller are both rotatably arranged on both sides of the fixed base through a support frame. An adjusting roller is arranged outside the first driving roller, and both ends of the adjusting roller are fixedly connected to the fixed base through an adjusting component;

[0008] A light curing box is arranged between the first driving roller and the second driving roller. A through groove for the covering film to pass through is formed inside the light curing box. A diversion groove is formed at the bottom of one side of the through groove. A receiving groove is formed at the bottom of the diversion groove. A paint box is arranged inside the receiving groove. A feeding pump is connected and arranged at the bottom of one side of the paint box. The output end of the feeding pump is connected and arranged with a feeding pipe. The other end of the feeding pipe is connected and arranged with a discharge port. The discharge port is arranged above the covering film.

[0009] A first servo cylinder is fixedly installed at the top of the other side of the through groove. The output end of the first servo cylinder is fixedly connected with a scraper. The scraper is arranged at one side of the top of the diversion groove. A second servo cylinder is fixedly installed at the top of the through groove on one side of the first servo cylinder. The output end of the second servo cylinder is fixedly connected with a mounting plate. A UV lamp is fixedly installed on the lower surface of the mounting plate.

[0010] By adopting the above technical solution, by arranging the adjusting roller and the adjusting component, the tension of the covering film can be adjusted before the light fixing treatment of the covering film, which is convenient for the covering film to maintain a tensioned state, thereby improving the subsequent light curing effect of the covering film; the paint is pumped out of the paint box by the feeding pump, and the paint is coated on the surface of the covering film through the feeding pipe and the discharge port. The first servo cylinder drives the scraper to move, so that the scraper scrapes the paint on the surface of the covering film, which can not only increase the uniformity of the paint coating, but also meet the requirements of different thickness paints; through the arranged diversion groove, the redundant paint is recovered into the paint box, thereby increasing the utilization efficiency of the paint and reducing the waste of resources.

[0011] Preferably, the adjusting component includes a third servo cylinder and an adjusting frame. The bottom of the third servo cylinder is fixedly installed on the fixed base. The lower surface of the adjusting frame is fixedly connected with the output end of the third servo cylinder. The adjusting roller is rotatably arranged inside the adjusting frame.

[0012] By adopting the above technical solution, the third servo cylinder drives the adjusting frame to lift, and the adjusting frame drives the adjusting roller to lift, so as to change the distance between the adjusting roller and the first driving roller, thereby adjusting the tension when the covering film is transmitted.

[0013] Preferably, two groups of the third servo cylinders are arranged, and the two groups of the third servo cylinders are symmetrically arranged on both sides of the adjusting frame.

[0014] By adopting the above technical solution, the stability of the adjusting frame can be increased, and the structural stability can be increased.

[0015] Preferably, a receiving hopper is connected and arranged at the top of the paint box. The receiving hopper is arranged at the bottom port of the diversion groove.

[0016] By adopting the above technical solution, it is convenient to recycle the redundant coating into the coating tank.

[0017] Preferably, a stabilizing block is welded to the top of the through groove, and the material conveying pipe penetrates through the stabilizing block and is fixedly connected to the stabilizing block.

[0018] By adopting the above technical solution, the stability of the material conveying pipe can be increased, thereby improving the stability of the discharge port.

[0019] Preferably, at least two groups of UV lamps are horizontally arranged on the lower surface of the mounting plate.

[0020] By adopting the above technical solution, the photocuring effect and rate can be increased.

[0021] Preferably, cover plates are detachably connected to the outer sides of the through groove and the receiving groove by a plurality of groups of fastening screws.

[0022] By adopting the above technical solution, it is convenient to repair or replace the components inside the through groove and the receiving groove.

[0023] In summary, the present utility model mainly has the following beneficial effects:

[0024] First, by providing the adjusting roller and the adjusting assembly, the present utility model can adjust the tension of the covering film before the photocuring treatment of the covering film, facilitating the covering film to maintain a taut state, thereby improving the subsequent photocuring effect of the covering film;

[0025] Second, the present utility model pumps the coating out of the coating tank through a feeding pump, coats the coating on the surface of the covering film through the material conveying pipe and the discharge port, and drives the scraper to move through the first servo electric cylinder, so that the scraper scrapes the coating on the surface of the covering film, which can not only increase the uniformity of the coating application, but also meet the requirements of coatings with different thicknesses;

[0026] Third, by providing the diversion groove, the present utility model recycles the redundant coating into the coating tank, thereby increasing the utilization efficiency of the coating and reducing the waste of resources. Description of the Drawings

[0027] Figure 1 is a schematic structural diagram of the present utility model;

[0028] Figure 2 is a schematic structural diagram of the adjusting assembly part of the present utility model;

[0029] Figure 3 is the present utility model Figure 1 enlarged view at A;

[0030] Figure 4 This is a schematic diagram of the external structure of the present utility model.

[0031] Reference numerals: 1, fixed base; 2, covering film; 3, first driving roller; 4, second driving roller; 5, support frame; 6, adjusting roller; 7, adjusting assembly; 71, third servo cylinder; 72, adjusting frame; 8, light curing box; 9, through groove; 10, diversion groove; 11, receiving groove; 12, paint box; 13, feeding pump; 14, feeding pipe; 15, discharge port; 16, first servo cylinder; 17, scraper; 18, second servo cylinder; 19, mounting plate; 20, UV lamp; 21, receiving hopper; 22, stabilizing block; 23, cover plate. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a 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 of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0033] Embodiment 1

[0034] Refer to Figures 1-4 , the UV light curing device for the covering film 2 includes a fixed base 1, a first driving roller 3 and a second driving roller 4 for transmitting the covering film 2. Both the first driving roller 3 and the second driving roller 4 are rotatably arranged on both sides of the fixed base 1 through a support frame 5. An adjusting roller 6 is arranged outside the first driving roller 3. Both ends of the adjusting roller 6 are fixedly connected to the fixed base 1 through an adjusting assembly 7;

[0035] A light curing box 8 is arranged between the first driving roller 3 and the second driving roller 4. A through groove 9 for the covering film 2 to pass through is opened inside the light curing box 8. A diversion groove 10 is opened at the bottom of one side of the through groove 9. A receiving groove 11 is opened at the bottom of the diversion groove 10. A paint box 12 is arranged inside the receiving groove 11. A feeding pump 13 is communicated with the bottom of one side of the paint box 12. The output end of the feeding pump 13 is communicated with a feeding pipe 14. The other end of the feeding pipe 14 is communicated with a discharge port 15. The discharge port 15 is arranged above the covering film 2;

[0036] On the top of the other side of the through groove 9, a first servo cylinder 16 is fixedly installed. The output end of the first servo cylinder 16 is fixedly connected with a scraping plate 17. The scraping plate 17 is arranged on one side of the top of the diversion groove 10. On the top of the through groove 9 on one side of the first servo cylinder 16, a second servo cylinder 18 is fixedly installed. The output end of the second servo cylinder 18 is fixedly connected with a mounting plate 19. On the lower surface of the mounting plate 19, a UV lamp 20 is fixedly installed. In order to increase the light curing effect and rate, at least two groups of UV lamps 20 are horizontally arranged on the lower surface of the mounting plate 19; when the covering film 2 is transmitted, the second servo cylinder 18 drives the UV lamp 20 to lift, so as to conveniently adjust the UV lamp 20 to a suitable position according to the thickness of the coating for light curing treatment.

[0037] Reference Figures 1-2 , the adjusting assembly 7 includes a third servo cylinder 71 and an adjusting frame 72. The bottom of the third servo cylinder 71 is fixedly installed on the fixed base 1. The lower surface of the adjusting frame 72 is fixedly connected with the output end of the third servo cylinder 71. The adjusting roller 6 is rotatably arranged inside the adjusting frame 72; the third servo cylinder 71 drives the adjusting frame 72 to lift, and the adjusting frame 72 drives the adjusting roller 6 to lift, so as to change the distance between the adjusting roller 6 and the first driving roller 3, thereby adjusting the tension when the covering film 2 is transmitted.

[0038] Reference Figure 2 , in order to increase the stability of the adjusting frame 72 and enhance the structural stability; two groups of the third servo cylinders 71 are arranged, and the two groups of the third servo cylinders 71 are symmetrically arranged on both sides of the adjusting frame 72.

[0039] Reference Figure 1 , in order to conveniently recycle the excess coating into the coating tank 12; a receiving hopper 21 is communicated with the top of the coating tank 12, and the receiving hopper 21 is arranged at the bottom port of the diversion groove 10.

[0040] Reference Figure 1 , in order to increase the stability of the material conveying pipe 14, thereby improving the stability of the discharge port 15; a stabilizing block 22 is welded on the top of the through groove 9, and the material conveying pipe 14 passes through the stabilizing block 22 and is fixedly connected with the stabilizing block 22.

[0041] Reference Figure 4 , in order to conveniently repair or replace the components inside the through groove 9 and the receiving groove 11; the outer sides of the through groove 9 and the receiving groove 11 are detachably connected with cover plates 23 through a plurality of groups of fastening screws.

[0042] Principle of use and advantages:

[0043] The utility model adjusts the tension of the covering film 2 during transmission by setting the adjusting roller 6 and the adjusting component 7. The third servo cylinder 71 drives the adjusting frame 72 to lift, and the adjusting frame 72 drives the adjusting roller 6 to lift, thereby changing the distance between the adjusting roller 6 and the first driving roller 3, so as to adjust the tension of the covering film 2 during transmission. Before the covering film 2 is subjected to light fixation treatment, the tension of the covering film 2 can be adjusted, which is convenient for the covering film 2 to maintain a tensioned state, thereby improving the subsequent light curing effect of the covering film 2. The coating material is pumped out from the interior of the coating material tank 12 by the feeding pump 13, and is coated on the surface of the covering film 2 through the feeding pipe 14 and the discharging port 15. The first servo cylinder 16 drives the scraping plate 17 to move, so that the scraping plate 17 scrapes the coating material on the surface of the covering film 2, which can not only increase the uniformity of the coating material coating, but also meet the requirements of coating materials with different thicknesses. Through the arranged diversion groove 10, the redundant coating material is recovered into the coating material tank 12, thereby increasing the utilization efficiency of the coating material and reducing the waste of resources.

[0044] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A covering film UV curing device, comprising a fixed base (1) and a first transmission roller (3) and a second transmission roller (4) for transmitting a covering film (2), characterized in that: The first transmission roller (3) and the second transmission roller (4) are both rotatably arranged on both sides of the fixed base (1) via a support frame (5); an adjusting roller (6) is arranged on the outer side of the first transmission roller (3); and both ends of the adjusting roller (6) are fixedly connected to the fixed base (1) via an adjusting assembly (7); A light curing box (8) is arranged between the first transmission roller (3) and the second transmission roller (4), a through groove (9) for the covering film (2) to pass through is provided inside the light curing box (8), a guide groove (10) is provided at the bottom of one side of the through groove (9), a receiving groove (11) is provided at the bottom of the guide groove (10), a paint box (12) is arranged inside the receiving groove (11), a feed pump (13) is arranged at the bottom of one side of the paint box (12), the output end of the feed pump (13) is connected to a feed pipe (14), the other end of the feed pipe (14) is connected to a discharge port (15), and the discharge port (15) is arranged above the covering film (2); A first servo electric cylinder (16) is fixedly mounted on the top of the other side of the through groove (9); a scraper (17) is fixedly connected to the output end of the first servo electric cylinder (16); the scraper (17) is arranged on one side of the top of the guide groove (10); a second servo electric cylinder (18) is fixedly mounted on one side of the first servo electric cylinder (16) located at the top of the through groove (9); a mounting plate (19) is fixedly connected to the output end of the second servo electric cylinder (18); a UV lamp (20) is fixedly mounted on the lower surface of the mounting plate (19).

2. The cover film UV light curing device according to claim 1, characterized in that: The adjustment component (7) comprises a third servo electric cylinder (71) and an adjustment frame (72); the bottom of the third servo electric cylinder (71) is fixedly mounted on the fixed base (1); the lower surface of the adjustment frame (72) is fixedly connected to the output end of the third servo electric cylinder (71); and the adjustment roller (6) is rotatably arranged on the inner side of the adjustment frame (72).

3. The cover film UV light curing device according to claim 2, characterized in that: The third servo electric cylinder (71) is provided in two groups, and the two groups of the third servo electric cylinder (71) are symmetrically arranged on both sides of the adjustment frame (72).

4. The cover film UV light curing device according to claim 1, characterized in that: The top of the paint box (12) is connected to a receiving hopper (21), and the receiving hopper (21) is arranged at the bottom port of the guide groove (10).

5. The cover film UV light curing device according to claim 1, characterized in that: A stabilizing block (22) is welded to the top of the through groove (9), and the feed pipe (14) passes through the stabilizing block (22) and is fixedly connected to the stabilizing block (22).

6. The cover film UV light curing device according to claim 1, characterized in that: At least two groups of UV lamps (20) are horizontally arranged on the lower surface of the mounting plate (19).

7. The cover film UV light curing device according to claim 1, characterized in that: The outer side of the through slot (9) and the outer side of the receiving slot (11) are both detachably connected with a cover plate (23) via a plurality of sets of fastening screws.

Citation Information

Patent Citations

  • Ultraviolet curing device for optical film

    CN219923571U