Gluing device for optical protective film production

By designing a combination of coating box, adhesion roller, scraper and drying box, the problem of uneven coating of optical protective film was solved, achieving uniform coating and efficient curing, and improving the coating quality.

CN223628892UActive Publication Date: 2025-12-05JIANGXI HUAAN NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202423101866.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-05
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing optical protective film coating equipment has a single structural function and uneven coating, which affects the coating effect.

Method used

An adhesive application device was designed, comprising an application box, adhesion rollers, a scraper, a dust collection box, and a drying box. The device applies adhesive by rotating multiple adhesion rollers, and uses a scraper and a fan to evenly apply and cure the adhesive. Combined with a dust collection device, the device removes dust and improves the application quality.

Benefits of technology

This method achieves uniform application of the adhesive to the surface of the optical protective film, avoiding omissions and over-application, improving application quality and efficiency, and ensuring adhesive adhesion and curing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gluing device for producing an optical protective film, which structurally comprises a smearing box body, a dust suction box and a drying box, the surface of the optical protective film to be smeared is cleaned through a cleaning layer, and dust is sucked into a filter bag under the action of a suction fan, so that the dust can be prevented from being attached to the gluing surface, and the production efficiency of the optical protective film is improved. The glue is sprayed on the surfaces of the adhesion rollers through the nozzles, the adhesion rollers adhere the glue to the surfaces of the adhesion rollers, and the adhesion rollers are arranged, so that the glue adhering to the surfaces of the protective films is more sufficient, coating is more uniform under the action of a scraper blade, and the coating effect is better. And redundant colloid can fall back into the colloid cavity for recycling under the leakage groove of the interlayer plate, the utilization rate is increased, the dripping situation is reduced, the colloid of the optical protective film can be dried under the action of the fan when the protective film passes through the drying box, the situation that the natural drying and curing speed is low is avoided, and the work progress is accelerated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical protective film technical field especially relates to a kind of gluing device for optical protective film production. BACKGROUND

[0002] Optical protective film refers to the deposition on the surface of metal or other soft and easily eroded material or film, increase its firmness and stability, improve its optical property a kind of optical film, gluing process is an essential step in the production process of optical protective film.

[0003] The present optical protective film gluing equipment structure functionality is single, and glue is not uniform when gluing on the surface of optical protective film, the case of affecting gluing effect.

[0004] Therefore, a kind of gluing device for optical protective film production is proposed. UTILITY MODEL CONTENT

[0005] (One) technical problem to be solved

[0006] In order to overcome the deficiencies of prior art, a kind of gluing device for optical protective film production is proposed to solve the problem of the present optical protective film gluing equipment structure functionality is single, and glue is not uniform when gluing on the surface of optical protective film, affects gluing effect.

[0007] (Two) technical scheme

[0008] The utility model discloses a kind of gluing device for optical protective film production, including smearing box body, the smearing box body left and right sides are equipped with the membrane inlet and membrane outlet passing through inside,

[0009] A layer of partition plate is arranged in the middle of the smearing box body, which divides it into smearing cavity and glue cavity;

[0010] A plurality of adhesive rollers are arranged in parallel inside the smearing cavity, and a driving assembly is installed outside the smearing box body to drive the adhesive rollers to rotate, a main flow plate is installed at the lower end of the adhesive rollers inside the smearing cavity, and a plurality of nozzles are arranged at the lower end of the adhesive rollers, an installation cavity is arranged inside the glue cavity, and a glue pump is installed inside the installation cavity, a suction tube is arranged at the suction end of the glue pump and penetrates the glue cavity, and the glue outlet end of the glue pump is connected with the main flow plate.

[0011] A scraper is arranged upwardly through a fixed plate at the membrane outlet inside the smearing cavity.

[0012] Further, the driving assembly includes a transmission rod arranged outside the adhesive rollers, a motor is installed at the top end of the smearing box body, and a transmission wheel is installed at the output end of the motor and the outside of the transmission rod, and the transmission wheels are connected by a belt.

[0013] Further, the top end of the coating box is provided with an electric push rod at the upper end of the scraper, a push frame is arranged at the upper end of the scraper inside the coating cavity and connected with the output end of the electric push rod, and a lower pressing roller is rotatably arranged inside the push frame.

[0014] Further, an upper-end-opened dust suction box is connected outside the film inlet, a cleaning layer is arranged on the upper end opening of the dust suction box through a mounting plate, a filter bag is arranged inside the dust suction box, and an air suction fan is arranged at the bottom of the dust suction box.

[0015] Further, a drying box is arranged outside the film outlet, an exhaust port is arranged outside the drying box, a fan is arranged at one side of the drying box, and a filter screen is arranged on the corresponding surface of the drying box.

[0016] Further, a liquid falling cover is arranged at the bottom end of the drying box and connected with the drying box, a liquid outlet is arranged at the bottom end of the liquid falling cover and penetrates through one side of the glue cavity, and a through leakage groove is arranged at the bottom end of the drying box and the partition plate.

[0017] Further, a box door is arranged outside the coating box at the coating cavity, an observation window is arranged inside the box door, a control panel is arranged outside the coating box, and a liquid replacement port is arranged at the bottom end of the glue cavity.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] In the utility model, the plurality of adhesive rollers are arranged in contact with the protective film, and the glue liquid is sprayed on the surface of the adhesive roller through the nozzle below the glue pump, so that the glue liquid is coated on the surface of the protective film, so that the coating amount is more, the missing phenomenon during surface coating is avoided, the coating effect is better,

[0021] The surface after coating is scraped by the scraper arranged at the side, so that the surface coating is more uniform, the overcoating phenomenon is avoided, the glue liquid is saved, and the coating quality is better.

[0022] In the utility model, the cleaning layer arranged at the side is in contact with the protective film, so that the dust generated in the cleaning process is sucked into the filter bag under the suction of the air suction fan, so that the adhesion of the glue liquid is affected by the dust on the surface of the protective film, the adhesion effect of the glue liquid is better, the coating efficiency is higher, and the quality is better.

[0023] In the utility model, the protective film after coating is blown by the fan, so that the glue liquid adhered to the surface of the protective film is solidified, the natural fixing efficiency is low, and the mutual adhesion phenomenon during the winding of the protective film is avoided, so that the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings:

[0025] Figure 1 is a schematic view of the internal structure of the present application;

[0026] Figure 2 is a schematic view of the internal structure of the present application;

[0027] Figure 3 is a schematic view of the internal structure of the present application;

[0028] Figure 4 is a schematic view of the internal structure of the present application;

[0029] Figure 5 is a schematic view of the internal structure of the present application;

[0030] In the figure: smearing box 1, partition plate 2, adhesive roller 3, installation cavity 4, glue pump 5, suction pipe 6, main flow plate 7, nozzle 8, liquid exchange port 9, film inlet port 10, film outlet port 11, motor 12, electric push rod 13, fixed plate 14, scraper 15, dust collection box 16, drying box 17, fan 18, liquid falling cover 19, lower liquid port 110, pushing frame 111, lower pressing roller 112, transmission rod 113, transmission wheel 114, belt 115, mounting plate 116, cleaning layer 117, filter bag 118, air suction fan 119, exhaust port 120, filter screen 121, box door 122, observation window 123, control panel 124. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 5The utility model provides a kind of gluing device for optical protective film production, including smearing box 1 is carried out gluing work to optical protective film in its inside, smearing box 1 left and right sides are equipped with the membrane inlet 10 and membrane outlet 11 that pass through inside, so that optical protective film is passed through smearing box 1 both sides and is used, smearing box 1 middle part is provided with a layer of partition plate 2 and is divided into smearing cavity and glue cavity, one place is stored, one place carries out smearing work, and partition plate 2 is equipped with the leakage groove that passes through, and partition plate 2 upper end is inclined to the leakage groove and is arranged, so as to conveniently drop the glue solution dropped in smearing process to the inside of glue cavity, smearing box 1 outside is located smearing cavity and is equipped with box door 122, so that box door 122 is opened to conveniently connect the both sides of optical protective film, box door 122 inside is equipped with observation window 123, so as to conveniently observe the inside smearing condition, smearing box 1 outside is equipped with control panel 124 and is operated to the inside electrical appliance, and it is convenient for staff to operate and use, smearing box 1 is located glue cavity bottom end and is equipped with liquid exchange port 9, so as to conveniently replace the inside glue solution.

[0033] Smearing cavity inside parallelism is equipped with a plurality of adhesive roller 3, is wound around a circle of adhesive layer on the outer ring of adhesive roller 3, so as to conveniently adhere glue solution to adhere on the surface of optical protective film, and is provided with multiple, so as to conveniently cover glue solution on the surface of optical protective film, so that smearing effect is more sufficient, and smearing box 1 outside is equipped with drive assembly and is connected adhesive roller 3, so that it rotates, drive assembly includes transmission rod 113 that is equipped with outside adhesive roller 3, smearing box 1 top end is equipped with motor 12, and motor 12 output end and transmission rod 113 outside are all equipped with transmission wheel 114, transmission wheel 114 is connected by belt 115 between, rotates by motor 12, under the action of transmission wheel 114 outside, belt 115 drives transmission rod 113 to rotate completely, so that adhesive roller 3 rotates and adheres glue solution to the surface of optical protective film, and in this way avoids the lack of adhesive roller 3 one place glue solution after adhering, smearing cavity inside is equipped with main flow plate 7 at adhesive roller 3 lower end, and main flow plate 7 upper end is equipped with a plurality of nozzles 8 at adhesive roller 3 lower end, so as to correspond to the surface of adhesive roller 3 and carry out glue adding treatment, glue cavity is equipped with installation cavity 4 inside, and glue pump 5 is installed in installation cavity 4 inside, suction tube 6 is arranged in the suction end of glue pump 5 and passes through glue cavity, and glue pump 5 glue outlet is connected with main flow plate 7, under the action of glue pump 5, glue solution in the inside of glue cavity can be input into the inside of main flow plate 7 by the action of suction tube 6, and is sprayed on the surface of adhesive roller 3 by nozzle 8, so as to realize glue spraying work.

[0034] The inside of the smearing cavity is provided with a scraper 15 upwardly through the fixing plate 14 from the film outlet 11, and the scraper 15 can be disassembled and arranged for subsequent replacement treatment, so that the glue solution on the surface of the optical protection film can be smeared uniformly under the action of the scraper 15, avoiding the case that the glue solution is too much. The top end of the smearing box body 1 is provided with an electric push rod 13 at the upper end of the scraper 15. The inside of the smearing cavity is provided with a pushing frame 111 connected with the output end of the electric push rod 13 at the upper end of the scraper 15, and the pushing frame 111 is rotatably connected with a lower pressing roller 112. Under the pushing of the electric push rod 13, the lower optical protection film can be moved downwardly and contacted with the scraper 15, so that the optical protection film is more convenient to scrape and more comprehensive to scrape, avoiding the case of broken scraping.

[0035] Please refer to Figure 1 and Figure 3 The outside of the film inlet 10 is connected with a dust suction box 16 with an open upper end. The dust suction box 16 is provided with a cleaning layer 117 through a mounting plate 116 at the open upper end. The cleaning layer 117 can be disassembled and installed. The dust suction box 16 is internally provided with a filter bag 118. The dust suction box 16 is provided with a suction fan 119 at the bottom. The dust suction box 16 is provided with a box door for convenient operation to replace and clean the filter bag 118. In this way, the cleaning layer 117 is in contact with the surface of the optical protection film, so that the surface of the optical protection film is cleaned during the pulling process, and the dust generated during the cleaning process is sucked into the filter bag 118 under the suction of the suction fan 119 for collection, so as to avoid the case that the surface of the optical protection film is attached with dust, resulting in poor gluing quality.

[0036] Please refer to Figure 1 and Figure 4 The outside of the film outlet 11 is provided with a drying box 17, and the outside of the drying box 17 is provided with a discharge port 120. The drying box 17 is provided with a fan 18 on one side, and the drying box 17 is provided with a filter screen 121 on the corresponding surface. The optical protection film after gluing through the drying box 17 is subjected to blowing for rapid curing effect by the fan 18, preventing the case that the natural curing efficiency is low. The bottom end of the drying box 17 is covered and connected with a liquid falling cover 19, and the bottom end of the liquid falling cover 19 is provided with a liquid outlet 110 penetrating one side of the glue cavity. The bottom end of the drying box 17 is provided with a penetrating leakage groove, so that the glue solution that exists in the dripping state can be avoided. The dripping glue solution can be re-input into the glue cavity through the liquid outlet 110 at the bottom end of the liquid falling cover 19 for use, achieving the purpose of recycling.

[0037] Working principle: in use, first connect the glue pump 5, motor 12, electric push rod 13, fan 18, air suction fan 119 and control panel 124 with external power supply, then when the optical protective film passes through the cleaning layer 117, the air suction fan 119 sucks the dust generated by cleaning into the filter bag 118, and when the optical protective film passes through the outer surface of the adhesive roller 3, the glue pump 5 sprays the glue through the nozzle 8 on the main flow plate 7 to the outside of the adhesive roller 3 through the suction pipe 6, and under the action of the motor 12 driving the transmission wheel 114 and the belt 115 rotating, the transmission rod 113 drives the adhesive roller 3 to rotate and work, so that the adhesive roller 3 performs the smearing action on the surface of the optical protective film, and under the pushing of the electric push rod 13, the lower pressing roller 112 at the lower end of the pushing frame 111 pushes the optical protective film downward to contact with the scraper 15, so that the optical protective film is scraped and treated, and after scraping, the optical protective film passes through the drying box 17, and under the blowing of the fan 18, the surface of the optical protective film is blown and dried to solidify, so as to complete the work.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An adhesive coating device for optical protection film production, comprising a coating box (1), the coating box (1) being provided with a film inlet (10) and a film outlet (11) penetrating the inside of the coating box (1) on the left and right sides thereof, Characterized in that; The middle part of the coating box (1) is provided with a layer of partition plate (2) to divide it into a coating cavity and a glue cavity; A plurality of adhesive rollers (3) are arranged in parallel inside the coating cavity and rotate, a driving assembly is installed outside the coating box (1) to connect the adhesive rollers (3) to make them rotate, a main flow plate (7) is installed at the lower end of the adhesive rollers (3) inside the coating cavity, a plurality of nozzles (8) are arranged at the upper end of the main flow plate (7) and located below the adhesive rollers (3), an installation cavity (4) is arranged inside the glue cavity, a glue pump (5) is installed inside the installation cavity (4), a suction pipe (6) is arranged at the suction end of the glue pump (5) and penetrates the glue cavity, and the glue outlet end of the glue pump (5) is connected with the main flow plate (7); The upper end of the scraper (15) is arranged upward through the fixed plate (14) inside the coating cavity.

2. The gluing device for producing an optical protection film according to claim 1, characterized in that: The driving assembly comprises a transmission rod (113) arranged outside the adhesive rollers (3), a motor (12) is installed at the top end of the coating box (1), transmission wheels (114) are arranged at the output end of the motor (12) and outside the transmission rod (113), and the transmission wheels (114) are connected through a belt (115).

3. The gluing device for producing an optical protection film according to claim 1, characterized in that: An electric push rod (13) is installed at the upper end of the scraper (15) at the top end of the coating box (1), a push frame (111) is installed at the upper end of the scraper (15) inside the coating cavity and connected with the output end of the electric push rod (13), and a pressing roller (112) is rotatably connected inside the push frame (111).

4. The gluing device for producing an optical protection film according to claim 1, characterized in that: The film inlet (10) is connected with a dust suction box (16) with an open upper end, a cleaning layer (117) is installed on the open upper end of the dust suction box (16) through a mounting plate (116), a filter bag (118) is installed inside the dust suction box (16), and a suction fan (119) is installed at the bottom of the dust suction box (16).

5. The gluing device for producing an optical protection film according to claim 1, characterized in that: A drying box (17) is installed outside the film outlet (11), an exhaust port (120) is arranged outside the drying box (17), a fan (18) is installed on one side of the drying box (17), and a filter screen (121) is arranged on the corresponding surface of the drying box (17).

6. The gluing device for producing an optical protection film according to claim 5, characterized in that: A liquid falling cover (19) is connected to cover the bottom end of the drying box (17), a liquid outlet (110) is arranged at the bottom end of the liquid falling cover (19) and penetrates one side of the glue cavity, and a through leakage groove is arranged at the bottom end of the drying box (17) and the partition plate (2).

7. The gluing device for producing an optical protection film according to claim 1, characterized in that: A box door (122) is arranged outside the coating box (1) at the coating cavity, an observation window (123) is installed inside the box door (122), a control panel (124) is installed outside the coating box (1), and a liquid replacement port (9) is arranged at the bottom end of the glue cavity of the coating box (1).