CN221208666U

CN221208666U - Coating device

Info

Publication number: CN221208666U
Application number: CN202323086180.3U
Authority: CN
Inventors: 黄俊杰; 毛小光; 唐杰; 肖伟
Original assignee: Hunan Hongren Electronic Circuit Manufacturing Co ltd
Current assignee: Hunan Hongren Electronic Circuit Manufacturing Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-06-25
Anticipated expiration: 2033-11-15

Abstract

The utility model belongs to the technical field of coating, in particular to a coating device, which aims at the problems that the existing coating device has poor effect of spraying the surface of a white coating film, the drying effect of the surface of ink after spraying is not good enough and the like.

Description

Coating device

Technical Field

The utility model relates to the technical field of coating, in particular to a coating device.

Background

At present, when the flexible copper clad laminate is prepared, a white covering film is often used as an LEN, and the insulating reflecting layer of the backlight circuit board has good insulation and high temperature resistance. The preparation of the white covering film needs to coat high-reflection ink with the thickness of 15-20 um on the polyimide film, and the main function of the high-reflection ink is to reflect the light source, so that the light source is reflected out with minimum refraction loss, and the brightness requirement is met.

However, the conventional coating apparatus has the following problems when in use:

The traditional coating device only depends on a coating spray head to finish the coating of the ink on the surface of the covering film, but the range of the spray nozzle of the coating spray head is limited, the coating on the surface of the covering film is not uniform enough, and the coating effect is not good enough; the coated covering film is required to be conveyed for multiple times to finish subsequent processing, but when the coating film is conveyed, ink with the surface not dried in time can flow, so that the ink surface of the white covering film is uneven, and the subsequent use is affected.

In view of the above problems, the present document proposes a coating apparatus.

Disclosure of utility model

The utility model aims to solve the defects that the effect of spraying the surface of a white covering film is not good enough, the drying effect of the sprayed ink surface is not good enough and the like in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A coating apparatus comprising:

the device comprises a mounting frame, wherein a second guide roller, a hot-pressing roller, a winding roller and two first guide rollers are rotationally connected between the inner walls of the two sides of the mounting frame, the two first guide rollers are matched with each other and can be used for conveying a covering film, the second guide roller is matched with the hot-pressing roller and can be used for completing hot pressing between the white covering film and a protective film, and the winding roller is used for winding the white covering film after hot pressing;

the coating spray head is connected with external ink storage equipment and is used for spraying white ink on the surface of the covering film;

the moving assembly is used for realizing the reciprocating movement of the coating spray head, so that the ink spraying area is more uniform;

And the drying component is used for drying the surface of the white coating film after spraying.

In one possible design, the moving assembly comprises a motor fixedly mounted at the top of the mounting frame, a first rotating shaft is fixedly mounted at one end of an output shaft of the motor, one end of the first rotating shaft rotates to penetrate through the top of the mounting frame and is fixedly provided with a rotary table, a fixed column is fixedly mounted at the position, deviating from the circle center, of the bottom of the rotary table, a sliding support is slidably connected with the inner wall of the top of the mounting frame and is located below the rotary table, a sliding hole is formed in the sliding support, the fixed column is slidably connected with the inner wall of the sliding hole, and the bottom of the sliding support is fixedly connected with the top of the coating spray head.

In one possible design, the drying component comprises a first synchronous wheel fixedly mounted on the outer wall of a first rotating shaft, the first synchronous wheel is located above the mounting frame, the first synchronous wheel is connected with a second synchronous wheel through a synchronous belt, the second rotating shaft is fixedly mounted in the second synchronous wheel, one end of the second rotating shaft is rotatably connected with the top of the mounting frame, a first gear is fixedly mounted on the outer wall of the second rotating shaft, two second gears are meshed with the first gear, third rotating shafts are fixedly penetrated in the second gears, and the bottoms of the two third rotating shafts are rotatably penetrated through the top of the mounting frame and fixedly provided with fans.

In a possible design, rotate between the both sides inner wall of installing frame and install the double-screw thread screw rod, the both ends of double-screw thread screw rod run through adjacent installing frame's lateral wall respectively, the outer wall threaded connection of double-screw thread screw rod has two regulating blocks, two the regulating block is located respectively on the two sections opposite screw threads of double-screw thread screw rod, the one end rotation of regulating block is connected with the connecting plate, the other end rotation of connecting plate is connected with the slider, two the slider respectively with installing frame's both sides inner wall sliding connection, two rotate between the slider and be connected with same third guide roll, the third guide roll is located white tectorial membrane's bottom and cooperatees with it.

In one possible design, a baffle is fixedly installed between the inner walls of the two sides of the installation frame, the baffle corresponds to the coating spray head, and the baffle is located below the covering film without spraying ink and is used for avoiding the unnecessary ink from polluting the covering film with the hot-pressed protecting film below in the spraying process.

In one possible design, the hot-pressing roller is located below the second guiding roller, so that the hot-pressing of the protective film can be conveniently performed on one side of the coated white ink covering film.

In one possible design, two fans are located on one side of the mounting frame near the second guide rollers, and the third guide roller is located below the two second synchronizing wheels, so that the influence on the spraying of the white ink when the tension of the cover film is adjusted can be avoided, and meanwhile, the drying efficiency of the ink can be improved when the tension is adjusted.

In one possible design, the two ends of the double-threaded screw are fixedly provided with knobs, so that a user can conveniently adjust tension on two sides of the device.

In the application, when in use, a user can finish the conveying of the covering film through the two first guide rollers and the two second guide rollers, and when in work, the user can start the motor, the motor can drive the turntable to rotate, and then the sliding support drives the coating spray head to reciprocate, so that the surface of the covering film can be sprayed more uniformly; the sprayed white covering film can continue to move, and the motor can drive the two fans to rotate through the transmission of the synchronous wheel and the gear when in operation, so that the white ink on the surface of the white covering film can be dried in an accelerating way, and the uneven ink surface caused by subsequent bending and transmission is avoided; the white covering film after a certain drying can be turned through the second guide roller, at the moment, a user can convey the protective film to synchronously move, and the ink surface of the white covering film is subjected to hot pressing of the protective film under the action of the hot pressing roller and the second guide roller, so that the white ink surface is protected, and finally, the winding of the white covering film is completed through the winding roller, so that the follow-up use is facilitated; when the coating of white coating film is carried out, the user can also finish the height adjustment to the third guide roller through rotating the double-threaded screw, and the third guide roller can be abutted against the bottom of the white coating film, so that the tension adjustment is facilitated, and the coating effect on the coating film can be guaranteed to be better.

According to the coating device, the reciprocating movement of the coating spray head can be realized through the moving assembly, so that the coating spray head can spray the surface of the coating film more uniformly and comprehensively, and the quality of the prepared white coating film can be improved;

According to the coating device, through the drying component, the rotation of the fans can be realized while the coating spray head is driven to move, so that the drying of the surface of the white covering film can be conveniently finished in time, the uniformity of the ink surface of the white covering film can be ensured, and the subsequent processing and use are facilitated;

According to the utility model, the coating device can realize reciprocating movement of the coating spray head, so that the coating spray head can spray the surface of the coating film more uniformly and comprehensively, the quality of the prepared white coating film is improved, the rotation of a plurality of fans can be realized while the coating spray head is driven to move, the drying of the surface of the white coating film can be conveniently and timely completed, the uniformity of the ink surface of the white coating film is facilitated, the subsequent processing and use are facilitated, and meanwhile, the device can adjust the tension of the white coating film by adjusting the third guide roller when the white coating film is conveyed and moved, the effect of coating the surface with the ink is facilitated to be ensured to be better, and the device is convenient for users to use.

Drawings

Fig. 1 is a schematic three-dimensional structure of a coating device according to the present utility model;

FIG. 2 is a schematic side sectional view of a coating device according to the present utility model;

FIG. 3 is a schematic top sectional view of a coating device according to the present utility model;

FIG. 4 is a schematic cross-sectional view of another embodiment of a coating apparatus according to the present utility model;

Fig. 5 is a schematic structural diagram of a turntable and a sliding support of a coating device according to the present utility model.

In the figure: 1. a mounting frame; 2. a first guide roller; 3. a second guide roller; 4. a hot press roll; 5. a wind-up roll; 6. coating a spray head; 7. a motor; 8. a turntable; 9. a first synchronizing wheel; 10. a second synchronizing wheel; 11. a fan; 12. a baffle; 13. a first gear; 14. a second gear; 15. a double-flighted screw; 16. an adjusting block; 17. a connecting plate; 18. a slide block; 19. a third guide roller; 20. fixing the column; 21. a sliding support; 22. and a slide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-5, a coating apparatus includes:

The device comprises a mounting frame 1, wherein a second guide roller 3, a hot-press roller 4, a wind-up roller 5 and two first guide rollers 2 are rotatably connected between the inner walls of the two sides of the mounting frame 1, the two first guide rollers 2 are matched with each other, so that the device can be used for conveying a covering film, the second guide roller 3 is matched with the hot-press roller 4, the device can be used for completing hot-press between a white covering film and a protective film, and the wind-up roller 5 is used for completing wind-up of the white covering film after hot-press;

The coating nozzle 6, the coating nozzle 6 is connected with an external ink storage device, is used for spraying white ink on the surface of the covering film, and is the same as that in the patent with the publication number CN 210733515U;

The movable assembly comprises a motor 7 fixedly arranged at the top of the mounting frame 1, a first rotating shaft is fixedly arranged at one end of an output shaft of the motor 7, one end of the first rotating shaft rotates to penetrate through the top of the mounting frame 1 and is fixedly provided with a rotary table 8, a fixed column 20 is fixedly arranged at the position, deviating from the circle center, of the bottom of the rotary table 8, the inner wall of the top of the mounting frame 1 is slidably connected with a sliding support 21, the sliding support 21 is positioned below the rotary table 8, a sliding hole 22 is formed in the sliding support 21, the fixed column 20 is slidably connected with the inner wall of the sliding hole 22, the bottom of the sliding support 21 is fixedly connected with the top of the coating spray head 6, and the movable assembly is used for realizing reciprocating movement of the coating spray head 6, so that the ink spraying area is more uniform;

The drying component comprises a first synchronous wheel 9 fixedly mounted on the outer wall of a first rotating shaft, the first synchronous wheel 9 is located above the mounting frame 1, the first synchronous wheel 9 is connected with a second synchronous wheel 10 through synchronous belt transmission, the second rotating shaft is fixedly mounted in the second synchronous wheel 10, one end of the second rotating shaft is rotatably connected with the top of the mounting frame 1, a first gear 13 is fixedly mounted on the outer wall of the second rotating shaft, two second gears 14 are meshed with the first gear 13, third rotating shafts are fixedly penetrated in the two second gears 14, the bottoms of the two third rotating shafts are rotatably penetrated through the top of the mounting frame 1 and fixedly mounted with a fan 11, and the drying component is used for accelerating the drying effect of the sprayed white covering film surface.

The application can be used in the technical field of flexible copper-clad plate material production, and can also be used in other fields suitable for the application.

Example 2

Referring to fig. 2 and 4, the improvement is based on example 1: the coating device is applied to the technical field of flexible copper-clad plate material production;

In this embodiment, a double-threaded screw rod 15 is rotatably installed between inner walls of two sides of the installation frame 1, two ends of the double-threaded screw rod 15 respectively penetrate through side walls of adjacent installation frames 1, two adjusting blocks 16 are in threaded connection with outer walls of the double-threaded screw rod 15, the two adjusting blocks 16 are respectively located on two opposite threads of the double-threaded screw rod 15, one end of each adjusting block 16 is rotatably connected with a connecting plate 17, the other end of each connecting plate 17 is rotatably connected with a sliding block 18, the two sliding blocks 18 are respectively in sliding connection with inner walls of two sides of the installation frame 1, the two sliding blocks 18 are rotatably connected with the same third guide roller 19, the third guide roller 19 is located at the bottom of a white covering film and is matched with the white covering film, the bottom of the white covering film is abutted through the third guide roller 19 with adjustable height, tension of the white covering film can be adjusted, and good coating effect can be guaranteed.

In this embodiment, a baffle 12 is fixedly installed between inner walls of two sides of the installation frame 1, the baffle 12 corresponds to the coating nozzle 6, and the baffle 12 is located below a covering film on which ink is not sprayed, so as to prevent the unnecessary ink from polluting the covering film on which the protective film is already hot-pressed below.

In this embodiment, the hot pressing roller 4 is located below the second guide roller 3, so that the hot pressing of the protective film can be conveniently performed on one side of the sprayed white ink cover film.

In this embodiment, two fans 11 are located at one side of the installation frame 1 near the second guide roller 3, and the third guide roller 19 is located below the two second synchronizing wheels 10, so that the effect of spraying white ink when adjusting the tension of the cover film can be avoided, and the drying efficiency of the ink can be improved when adjusting the tension.

In this embodiment, the two ends of the double-threaded screw 15 are fixedly provided with the knob, which can facilitate the user to complete the tension adjustment on the two sides of the device.

However, as well known to those skilled in the art, the working principle and wiring method of the motor 7 are common, which are all conventional means or common knowledge, and are not described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.

The working principle and the using flow of the technical scheme are as follows: when the coating machine is used, a user can finish the conveying of the coating film through the two first guide rollers 2 and the two second guide rollers 3, and when the coating machine works, the user can start the motor 7, the motor 7 can drive the turntable 8 to rotate, and then the sliding support 21 drives the coating spray head 6 to reciprocate, so that the surface of the coating film can be sprayed more uniformly; the sprayed white covering film can continue to move, and the motor 7 drives the two fans 11 to rotate through the transmission of the synchronous wheel and the gear when in operation, so that the white ink on the surface of the white covering film can be accelerated and dried, and the uneven ink surface caused by subsequent bending and transmission is avoided; the white coating film after a certain drying can be turned through the second guide roller 3, at the moment, a user can convey the protective film to synchronously move, and the ink surface of the white coating film is subjected to hot pressing of the protective film under the action of the hot pressing roller 4 and the second guide roller 3, so that the white ink surface is protected, and finally, the winding of the white coating film is completed through the winding roller 5, so that the follow-up use is facilitated; when the coating of white coating film is carried out, the user can also accomplish the height adjustment to third guide roll 19 through rotating double-threaded screw 15, and third guide roll 19 can carry out the butt to the bottom of white coating film, is favorable to carrying out tensile regulation to it, can guarantee to be better to the coating effect of coating film, convenient to use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A coating apparatus, characterized by comprising:

the device comprises a mounting frame (1), wherein a second guide roller (3), a hot press roller (4), a winding roller (5) and two first guide rollers (2) are rotationally connected between the inner walls of the two sides of the mounting frame (1), the two first guide rollers (2) are matched with each other and can be used for conveying a covering film, the second guide roller (3) is matched with the hot press roller (4) and can be used for completing hot pressing between a white covering film and a protective film, and the winding roller (5) is used for completing winding of the white covering film after hot pressing;

The coating spray head (6) is connected with external ink storage equipment and is used for spraying white ink on the surface of the covering film;

the moving assembly is used for realizing the reciprocating movement of the coating spray head (6) and can make the ink spraying area more uniform;

2. The coating device according to claim 1, wherein the moving assembly comprises a motor (7) fixedly mounted at the top of the mounting frame (1), a first rotating shaft is fixedly mounted at one end of an output shaft of the motor (7), one end of the first rotating shaft rotates to penetrate through the top of the mounting frame (1) and is fixedly provided with a rotary table (8), a fixed column (20) is fixedly mounted at the position, deviating from the center, of the bottom of the rotary table (8), a sliding support (21) is slidably connected to the inner wall of the top of the mounting frame (1), the sliding support (21) is located below the rotary table (8), a sliding hole (22) is formed in the sliding support (21), the fixed column (20) is slidably connected with the inner wall of the sliding hole (22), and the bottom of the sliding support (21) is fixedly connected with the top of the coating spray head (6).

3. A coating device according to claim 1, characterized in that the drying assembly comprises a first synchronizing wheel (9) fixedly mounted on the outer wall of a first rotating shaft, the first synchronizing wheel (9) is located above the mounting frame (1), the first synchronizing wheel (9) is connected with a second synchronizing wheel (10) through a synchronous belt transmission, the second rotating shaft is fixedly mounted in the second synchronizing wheel (10), one end of the second rotating shaft is rotatably connected with the top of the mounting frame (1), a first gear (13) is fixedly mounted on the outer wall of the second rotating shaft, two second gears (14) are meshed with the first gear (13), third rotating shafts are fixedly penetrated in the inner parts of the two second gears (14), and the bottom ends of the two third rotating shafts are rotatably penetrated through the top of the mounting frame (1) and fixedly mounted with a fan (11).

4. A coating device according to claim 3, wherein a double-threaded screw rod (15) is rotatably mounted between inner walls of two sides of the mounting frame (1), two ends of the double-threaded screw rod (15) penetrate through side walls of adjacent mounting frames (1) respectively, two adjusting blocks (16) are connected to outer wall threads of the double-threaded screw rod (15), the two adjusting blocks (16) are respectively located on two opposite threads of the double-threaded screw rod (15), one end of each adjusting block (16) is rotatably connected with a connecting plate (17), the other end of each connecting plate (17) is rotatably connected with a sliding block (18), the two sliding blocks (18) are slidably connected with the inner walls of two sides of the mounting frame (1) respectively, one third guide roller (19) is rotatably connected between the two sliding blocks (18), and the third guide roller (19) is located at the bottom of the white covering film and is matched with the white covering film.

5. A coating device according to claim 2, characterized in that a baffle plate (12) is fixedly arranged between the inner walls of the two sides of the mounting frame (1), the baffle plate (12) corresponds to the coating nozzle (6), and the baffle plate (12) is positioned below a covering film without spraying ink and is used for avoiding unnecessary ink dirt during spraying and the covering film of the protecting film is hot-pressed below.

6. A coating apparatus according to claim 1, wherein the hot-pressing roller (4) is located below the second guide roller (3) to facilitate hot-pressing of the protective film on the side coated with the white ink coating film.

7. A coating device according to claim 4, characterized in that two fans (11) are located in the mounting frame (1) on the side close to the second guiding roller (3), and that the third guiding roller (19) is located under two second synchronizing wheels (10), which prevents the effect of the white ink spraying when adjusting the tension of the cover film, and which increases the drying efficiency of the ink when adjusting the tension.

8. A coating device according to claim 4, characterized in that the two ends of the double threaded screw (15) are fixedly provided with knobs, which facilitate the user to adjust the tension on both sides of the device.