Surface glue coating device for film production

By designing surface glue coating devices for film production of glue storage tanks, guide rollers, glue extrusion mechanisms and drying mechanisms, the problems of poor uniformity of existing devices and waste of glue are solved, and uniform coverage and efficient drying of the surface glue liquid on the film are achieved.

CN222778312UActive Publication Date: 2025-04-22WUXI HONGJIE FENGMIAO MOLDING CO LTD
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Patent Information

Application Number
CN202420642688.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-04-22
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The existing surface coating devices for film production have poor uniformity, which are prone to dripping and waste of glue, and are not practical.

Method used

A surface coating device for film production is designed, including a glue storage tank, a guide roller, a glue extrusion mechanism and a drying mechanism. The glue storage tank is used to store glue liquid, and the guide roller is used to guide the film. The glue extrusion mechanism ensures that the glue liquid is evenly covered, while the drying mechanism is used for timely drying.

Benefits of technology

The uniform coverage of the glue liquid on the film surface is achieved, the waste of glue liquid is reduced, the uniformity and practicality of the coating are improved, and it can adapt to films of different thicknesses.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222778312U_ABST
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Abstract

The utility model discloses a surface glue coating device for film production, which comprises a rack, a winding roller arranged at one end of the rack and an unwinding roller arranged at the other end of the rack, a glue coating mechanism is arranged at one end, close to the unwinding roller, of the rack, and the glue coating mechanism comprises a glue storage tank arranged on the rack and used for storing glue liquid. A first guide roller is rotationally connected to the lower end of the inner side of the glue storage tank, and a second guide roller is rotationally connected to the upper end of the side, close to the unwinding roller, of the inner side of the glue storage tank; a glue extruding mechanism is arranged at the end, away from the unwinding roller, of the top of the glue storage tank and comprises fixing frames symmetrically arranged on the two sides of the upper end of the glue storage tank. According to the surface glue coating device for thin film production, the glue storage tank is used for storing glue liquid, the first guide roller and the second guide roller are used for guiding the thin film, so that the thin film is coated with glue through the interior of the glue storage tank during glue coating, the uniformity is good, redundant glue liquid can be squeezed into the glue storage tank to be recycled in cooperation with the glue squeezing mechanism, and waste is avoided.
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Description

Technical Field

[0001] The utility model relates to the field of film production, in particular to a surface glue coating device for film production. Background Art

[0002] Film is a thin, soft, transparent sheet made of plastic, adhesive, rubber or other materials. The scientific explanation of film is: a two-dimensional material formed by the deposition of atoms, molecules or ions on the surface of a substrate, such as optical film, composite film, superconducting film, polyester film, nylon film, plastic film, etc. Film is widely used in electronics, machinery, printing and other industries. During the production process of film, it is usually necessary to apply adhesive to the surface of the film to make the surface of the film smoother.

[0003] Some existing surface coating devices for film production usually spray colloid on the surface of the film to achieve the coating effect. This method has poor uniformity and is prone to dripping and waste of glue, which is not practical.

[0004] Therefore, it is necessary to propose a surface coating device for film production to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a surface glue coating device for film production, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A surface glue coating device for film production comprises a frame, a winding roller arranged at one end of the frame and an unwinding roller at the other end, a glue coating mechanism is arranged at one end of the frame close to the unwinding roller, the glue coating mechanism comprises a glue storage tank arranged on the frame for storing glue liquid, a first guide roller is rotatably connected to the lower end of the inner side of the glue storage tank, and a second guide roller is rotatably connected to the upper end of the inner side of the glue storage tank close to the unwinding roller;

[0008] A glue squeezing mechanism is arranged at one end of the top of the glue storage tank away from the unwinding roller. The glue squeezing mechanism includes fixed frames symmetrically arranged on both sides of the upper end of the glue storage tank. Both ends between the two fixed frames are rotatably connected with glue squeezing rollers, and a gap is formed between the two glue squeezing rollers for the film to pass through.

[0009] Preferably, the glue in the glue storage tank submerges the first guide roller.

[0010] Preferably, it also includes an adjustment mechanism for adjusting the gap size between the two rubber squeezing rollers, the adjustment mechanism includes a fixed plate arranged between the two fixed frames close to one end of the unwinding roller, a driving plate is arranged on the side of the fixed plate close to the unwinding roller, a screw is threadedly engaged with the driving plate, pulling rods are symmetrically arranged at both ends of the driving plate close to the fixed plate, a slide groove is arranged on the side of the fixed frame close to one end of the driving plate, a slider is slidably connected to the inner side of the slide groove, and one of the rubber squeezing rollers is rotatably connected between the two sliders.

[0011] Preferably, the screw rod is threadedly connected to the middle portion of the driving plate, and one end of the screw rod is rotationally connected to the middle portion of the fixing plate.

[0012] Preferably, one end of the pulling rod away from the driving plate extends to the inner side of the slide groove and is fixedly connected to the side wall of the slider, so that when the screw rod is rotated, the driving plate can drive the slider to move through the pulling rod.

[0013] Preferably, a drying mechanism is further included, the drying mechanism comprising a drying rack arranged at the top of the frame near one end of the winding roller, a channel for the film to pass through is arranged on the side of the drying rack, and air outlets are arranged on the upper and lower sides of the inner cavity of the channel, a hot air blower is arranged on one side of the frame, ventilation pipes are symmetrically arranged at the bottom and top of the drying rack, one end of the two ventilation pipes is connected to a collecting pipe through a three-way pipe, and the end of the collecting pipe away from the ventilation pipe is connected to the air outlet end of the hot air blower.

[0014] Preferably, the ventilation pipe is connected to the air blowing port;

[0015] Guide rollers for guiding the film are symmetrically rotatably connected to both sides of the drying rack, and the top ends of the two guide rollers correspond to the channels.

[0016] Compared with the prior art, the utility model provides a surface glue coating device for film production, which has the following beneficial effects:

[0017] 1. The surface glue coating device for film production uses a glue storage tank to store glue liquid, and the first guide roller and the second guide roller are used to guide the film. Therefore, when coating the glue, the film passes through the inside of the glue storage tank and is coated with glue, and the uniformity is good. The glue squeezing mechanism can squeeze the excess glue liquid into the glue storage tank for recovery, thereby avoiding waste and further improving the uniformity. The gap between the glue squeezing rollers is adjustable, which is convenient for adapting to films of different thicknesses.

[0018] 2. The surface glue coating device for film production can dry the glue coated film in time through the provided drying mechanism, so as to roll up the film in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the glue storage tank and the fixing frame of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the utility model glue extrusion mechanism in a disassembled state;

[0022] Figure 4 It is a structural schematic diagram of the drying mechanism of the utility model.

[0023] In the figure: 1. frame; 2. winding roller; 3. unwinding roller; 4. glue storage tank; 5. fixed frame; 6. glue squeezing roller; 7. guide roller; 8. drying frame; 9. hot air blower; 10. fixed plate; 11. driving plate; 12. first guide roller; 13. second guide roller; 14. slide groove; 15. slider; 16. pulling rod; 17. screw rod; 18. ventilation pipe; 19. collecting pipe; 20. passage; 21. blowing port. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-4 As shown, a surface glue coating device for film production comprises a frame 1, a winding roller 2 arranged at one end of the frame 1 and a reeling roller 3 at the other end, a glue coating mechanism is arranged at one end of the frame 1 close to the reeling roller 3, and the glue coating mechanism comprises a glue storage tank 4 arranged on the frame 1 for storing glue liquid, a first guide roller 12 is rotatably connected to the inner lower end of the glue storage tank 4, the glue liquid in the glue storage tank 4 submerges the first guide roller 12, and a second guide roller 13 is rotatably connected to the inner upper end of the glue storage tank 4 close to the reeling roller 3;

[0026] Furthermore, a glue squeezing mechanism is provided at one end of the top of the glue storage tank 4 away from the unwinding roller 3, and the glue squeezing mechanism includes fixed frames 5 symmetrically arranged on both sides of the upper end of the glue storage tank 4, and both ends between the two fixed frames 5 are rotatably connected with glue squeezing rollers 6, and a gap is formed between the two glue squeezing rollers 6 for the film to pass through.

[0027] Furthermore, it also includes an adjusting mechanism for adjusting the gap size between the two rubber squeezing rollers 6, the adjusting mechanism includes a fixed plate 10 arranged between the two fixed frames 5 near one end of the unwinding roller 3, a driving plate 11 is arranged on the side of the fixed plate 10 near the unwinding roller 3, a screw rod 17 is threadedly matched on the driving plate 11, the screw rod 17 is threadedly connected to the middle part of the driving plate 11, and one end of the screw rod 17 is rotatably connected to the middle part of the fixed plate 10, and pulling rods 16 are symmetrically arranged at both ends of the driving plate 11 near one side of the fixed plate 10, a slide groove 14 is arranged on the side of the fixed frame 5 near one end of the driving plate 11, and a slider 15 is slidably connected to the inner side of the slide groove 14, and the pulling rod 16 extends from one end of the driving plate 11 to the inner side of the slide groove 14 and is fixedly connected to the side wall of the slider 15, so that when the screw rod 17 is rotated, the driving plate 11 can drive the slider 15 to move through the pulling rod 16, and one of the rubber squeezing rollers 6 is rotatably connected between the two sliders 15.

[0028] Furthermore, it also includes a drying mechanism, which includes a drying rack 8 arranged at the top of the frame 1 near one end of the winding roller 2, a channel 20 for the film to pass through is arranged on the side of the drying rack 8, and blowing ports 21 are arranged on the upper and lower sides of the inner cavity of the channel 20, a hot air blower 9 is arranged on one side of the frame 1, and ventilation pipes 18 are symmetrically arranged at the bottom and top of the drying rack 8, the ventilation pipes 18 are connected to the blowing ports 21, one end of the two ventilation pipes 18 is connected to a collecting pipe 19 through a three-way pipe, and the end of the collecting pipe 19 away from the ventilation pipe 18 is connected to the air outlet end of the hot air blower 9.

[0029] Furthermore, guide rollers 7 for guiding the film are symmetrically rotatably connected to both sides of the drying rack 8 , and the top ends of the two guide rollers 7 correspond to the channels 20 .

[0030] It should be noted that the utility model is a surface coating device for film production. When in use, the film is fixed on the unwinding roller 3, and its free end passes through the top of the second guide roller 13, the bottom of the first guide roller 12, between the two glue squeezing rollers 6, the top of the guide roller 7, the channel 20 and is finally fixed by the winding roller 2. Then the rotating screw 17 drives the driving plate 11 to move, and the driving plate 11 drives the slider 15 to move through the pulling rod 16. The slider 15 drives one of the glue squeezing rollers 6 to move, and then adjusts the gap between the two glue squeezing rollers 6. Then the winding roller 2 winds and pulls the film. The film moves, is coated with glue when passing through the glue storage tank 4, and the excess glue is squeezed out when passing between the two glue squeezing rollers 6. When passing through the channel 20, due to the action of the hot air blower 9, the hot air passes through the collecting pipe 19 and the ventilation pipe 18 and is blown out from the blowing port 21, thereby drying the passing film.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A surface coating device for film production, comprising a frame (1), a winding roller (2) arranged at one end of the frame (1) and an unwinding roller (3) at the other end, characterized in that: A glue coating mechanism is provided at one end of the frame (1) close to the unwinding roller (3), and the glue coating mechanism comprises a glue storage tank (4) provided on the frame (1) for storing glue liquid, the lower end of the inner side of the glue storage tank (4) is rotatably connected to a first guide roller (12), and the upper end of the inner side of the glue storage tank (4) close to the unwinding roller (3) is rotatably connected to a second guide roller (13); A glue squeezing mechanism is arranged at one end of the top of the glue storage tank (4) away from the unwinding roller (3), and the glue squeezing mechanism comprises fixed frames (5) symmetrically arranged on both sides of the upper end of the glue storage tank (4), and both ends between the two fixed frames (5) are rotatably connected to glue squeezing rollers (6), and a gap is formed between the two glue squeezing rollers (6) for the film to pass through.

2. The surface coating device for film production according to claim 1, characterized in that: The glue liquid in the glue storage tank (4) submerges the first guide roller (12).

3. The surface coating device for film production according to claim 2, characterized in that: It also includes an adjustment mechanism for adjusting the gap size between the two rubber squeezing rollers (6), the adjustment mechanism including a fixed plate (10) arranged between the two fixed frames (5) close to one end of the unwinding roller (3), a driving plate (11) is arranged on the side of the fixed plate (10) close to the unwinding roller (3), a screw rod (17) is threadedly matched on the driving plate (11), pulling rods (16) are symmetrically arranged at both ends of the driving plate (11) close to the fixed plate (10), a sliding groove (14) is arranged on the side of the fixed frame (5) close to one end of the driving plate (11), a slider (15) is slidably connected to the inner side of the sliding groove (14), and one of the rubber squeezing rollers (6) is rotatably connected between the two sliders (15).

4. The surface coating device for film production according to claim 3, characterized in that: The screw rod (17) is threadedly connected to the middle part of the driving plate (11), and one end of the screw rod (17) is rotatably connected to the middle part of the fixing plate (10).

5. The surface coating device for film production according to claim 4, characterized in that: One end of the pulling rod (16) away from the driving plate (11) extends to the inner side of the slide groove (14) and is fixedly connected to the side wall of the slider (15), so that when the screw rod (17) is rotated, the driving plate (11) can drive the slider (15) to move through the pulling rod (16).

6. The surface coating device for film production according to claim 1, characterized in that: The drying mechanism also comprises a drying rack (8) arranged at the top of the frame (1) near one end of the winding roller (2); a channel (20) for the film to pass through is arranged on the side of the drying rack (8); air outlets (21) are arranged on the upper and lower sides of the inner cavity of the channel (20); a hot air blower (9) is arranged on one side of the frame (1); ventilation pipes (18) are symmetrically arranged at the bottom and top of the drying rack (8); one end of the two ventilation pipes (18) is connected to a collecting pipe (19) through a three-way pipe, and the end of the collecting pipe (19) away from the ventilation pipe (18) is connected to the air outlet end of the hot air blower (9).

7. The surface coating device for film production according to claim 6, characterized in that: The ventilation pipe (18) is in communication with the air blowing port (21); Guide rollers (7) for guiding the film are symmetrically rotatably connected on both sides of the drying rack (8), and the top ends of the two guide rollers (7) correspond to the channels (20).