Device for coating fluid on surface

Abstract

The invention discloses a device for coating fluid on a surface, which relates to the technical field of coating and comprises an external component, a coating head mechanism, an adjusting mechanism, a moving mechanism and a smoothing mechanism, the adjusting mechanism is used for adjusting the distance among the first reversing roller, the second reversing roller and the turn-back roller; the moving mechanism acts on pushing the detection frame to move and is used for adjusting the distance between the detection frame and the turn-back roller; and the smoothing mechanism is used for forming centrifugal force by taking a rotating motor as a power source, and performing reciprocating motion on the blade coating plate in the contact process of the blade coating plate and the coating surface under the conversion of the centrifugal force, so that the blade coating flatness of the coating surface is improved. According to the coating treatment device, through the advantages of high-precision adjustment, efficient coating, precise gluing, stable conveying, intelligent blade coating, redundant jelly treatment, flexible adjustment, meeting of different requirements and the like, the coating treatment quality and efficiency are remarkably improved, in the process, the coating distribution uniformity can be improved, and the coating quality is improved. And the production cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of coating, in particular to a device for coating a surface with a fluid. Background Art

[0002] Coating is an important industrial technology, which involves coating paste polymers, molten polymers or polymer melts on substrates such as paper, cloth, plastic film, etc. to produce composite materials (films) with special functions. As an important industrial technology, coating technology has broad application prospects and development potential. With the continuous advancement and innovation of technology, coating technology will play an important role in more fields and bring more convenience and benefits to people's lives and work.

[0003] In the field of coating technology, although the existing coating devices can meet the basic needs of various application scenarios, they still face some significant technical challenges in actual operation, especially in terms of coating uniformity and adaptability of coating speed, the existing devices still have obvious shortcomings; Uneven coating is one of the main problems currently faced by coating devices. Due to the influence of various factors in the coating process (such as the fluidity of the coating liquid, the surface characteristics of the substrate, the design of the coating tool, etc.), the coating is often unevenly distributed on the substrate, thus affecting the quality and performance of the product; coating speed is a key factor affecting production efficiency. In the context of pursuing production efficiency, coating speed has become one of the important indicators for measuring the performance of coating devices. However, existing coating devices often face the problem of reduced coating quality and uniformity when trying to increase the coating speed. Summary of the invention

[0004] The object of the present invention is to provide a device for coating a surface with a fluid, so as to solve the problem that the coating method proposed in the above-mentioned background art easily leads to uneven distribution and reduced quality.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a device for applying fluid to a surface, comprising an external component, a coating head mechanism, an adjustment mechanism, a moving mechanism and a smoothing mechanism; The coating head mechanism is located inside the external component and uses a drive motor as a power source to form a power source to drive the entire device; The adjustment mechanism uses an external cylinder and a micro cylinder as a power source to adjust the spacing between the first reversing roller, the second reversing roller and the return roller; The moving mechanism acts on the rotating disk, and under the internal transmission of the moving mechanism, can be used to push the detection frame to move, and is used to adjust the distance between the detection frame and the return roller; The smoothing mechanism uses a rotating motor as a power source to form a centrifugal force, which cooperates with each other to form a back-and-forth drive, and can maintain reciprocating motion during the contact between the scraper plate and the coating surface, thereby improving the scraping flatness of the coating surface.

[0006] Preferably, the smoothing mechanism comprises a rotating motor and a long rod; The rotating end of the rotating motor is fixedly connected to a centrifugal disk, a linkage rod is movably sleeved on the top of the centrifugal disk, a movable seat is movably inserted into the inner surface wall of the linkage rod, two movable rods are fixedly inserted inside the movable seat, two angle adjusters are fixedly connected to one side of the outer wall of the two movable seats, the adjusting ends of the two angle adjusters are movably connected to built-in cylinders, the telescopic ends of the two built-in cylinders are fixedly connected to angle rotators, a scraping plate is fixedly connected between the tops of the two angle rotators, and one side of the outer wall of the two angle rotators is fixedly connected to the outer wall of the long rod.

[0007] Preferably, the moving mechanism includes a set of driving seats and two transmission seats; A rotating disk is rotatably connected to the inner surface wall of a group of the driving seats, a threaded ring is provided on the outer surface wall fixing sleeve of the rotating disk, a helical gear is meshedly connected to the outer surface wall of the threaded ring, a built-in rod is fixedly connected to one side of the outer wall of the helical gear, and two built-in gears are provided on the outer surface wall fixing sleeve of the built-in rod; The inner surfaces of the two transmission seats are embedded with movable extension rods, and the outer surfaces of the two built-in gears are rotatably connected to the inside of the transmission seat, and the outer surfaces of the two built-in gears are respectively meshed with the inside of the extension rods for transmission. A detection frame is fixedly connected between one side of the outer walls of the two extension rods, and a laser displacement sensor is arranged inside the detection frame, and a group of laser displacement receivers are arranged inside the laser displacement sensor.

[0008] Preferably, the adjustment mechanism comprises two external cylinders and two fixing platforms; The telescopic ends of the two external cylinders are fixedly connected to a moving seat, the inner surface walls of the two moving seats are slidably embedded with a moving frame, a first reversing roller is rotatably connected between the insides of the two moving frames, one side of the outer walls of the two moving frames is fixedly connected to a linkage plate, one side of the outer walls of the two moving seats is fixedly connected to a micro cylinder, and the telescopic ends of the two micro cylinders are respectively fixedly connected to one side of the outer wall of the linkage plate, and a second reversing roller is rotatably connected between the insides of the two moving seats.

[0009] Preferably, the outer walls of the two fixed platforms are both slidably embedded with sliding seats, and the tops of the two sliding seats are respectively fixedly connected to the bottoms of the movable seats.

[0010] Preferably, the coating head mechanism comprises a coating frame plate and a transmission gear box; Two built-in bearings are fixedly inserted inside the coating frame plate, and a folding roller is rotatably connected between the inner surface walls of the two built-in bearings.

[0011] Preferably, two fixed plates are fixedly installed on the top of the coating frame plate, a gluing platform is fixedly connected between the outer walls of the two fixed plates, a bottom plate is fixedly connected to the bottom of the two fixed plates, a clamping roller is rotatably connected between the insides of the two bottom plates, and a gear A is fixedly connected to one side of the outer wall of the folding roller.

[0012] Preferably, the transmission end of the transmission gear box is fixedly connected to the gear B, and the internal transmission end of the transmission gear box meshes with the outer wall of the gear A for transmission, and one side of the outer wall of the transmission gear box is fixedly connected to one side of the outer wall of the coating frame plate.

[0013] Preferably, a driving motor is fixedly connected to one side of the outer wall of the coating frame plate, a gear C is fixedly connected to the rotating end of the driving motor, and the outer wall of the gear C is meshed with the inner wall of the gear B for transmission.

[0014] Preferably, one side of the outer wall of the external component is fixedly connected to the outer wall of the coating frame plate, one side of the outer wall of the two external cylinders is fixedly connected to one side of the outer wall of the coating frame plate, the bottoms of the two fixed platforms are respectively fixedly connected to the bottoms of the inner walls of the coating frame plate, one side of the outer wall of a group of driving seats is fixedly connected to one side of the outer wall of the coating frame plate, one side of the outer wall of the two driving seats is fixedly connected to the inner wall of the coating frame plate, and the built-in rod movably passes through the interior of the coating frame plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the coating processing device significantly improves the quality and efficiency of coating processing through the advantages of high-precision adjustment, efficient coating and precise gluing, smooth transmission, intelligent scraping and excess glue processing, and flexible adjustment and meeting different needs. In this process, the uniformity of coating distribution can be improved and the production cost can be reduced.

[0016] 2. In the present invention, before the equipment is activated, through the precise control of the synchronizer, the two external cylinders are started at the same time, and extend and retract at the same frequency to accurately adjust the distance between the second reversing roller and the return roller. The micro cylinders also work synchronously, and the linkage plate pulls the moving frame to move inside the moving seat to accurately adjust the distance between the first reversing roller and the second reversing roller, which significantly improves the adaptability of the equipment, adapts to the coating processing requirements of different specifications, and improves the adaptability of the device.

[0017] 3. In the present invention, after the rotating motor is powered on, centrifugal force is generated through the centrifugal disk, driving the movable rod and the movable seat to move back and forth quickly, thereby driving the scraper plate to shake quickly, smoothing and cleaning the excess colloid attached to the outer surface of the coating, thereby improving the coating quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view schematic diagram of the structure of a device for applying a fluid to a surface according to the present invention; Figure 2 A main structural stereogram of a device for applying a fluid to a surface according to the present invention; Figure 3 It is a side view schematic diagram of the structure of a device for applying a fluid to a surface according to the present invention; Figure 4 A three-dimensional exploded view of a part of the structure of a device for applying a fluid to a surface according to the present invention; Figure 5 A device for applying fluid to a surface according to the present invention Figure 4 A magnified view of the structure A; Figure 6 A three-dimensional diagram of a moving mechanism in a device for applying a fluid to a surface according to the present invention; Figure 7 A plan view of a detection frame in a device for applying a fluid to a surface according to the present invention; Figure 8 This is a bottom-up stereoscopic view of a smoothing mechanism in a device for applying a fluid to a surface according to the present invention; Fig. 9 The present invention is an operation flow chart of a device for applying fluid to a surface.

[0019] In the figure: 1. External components; 2. Coating head mechanism; 21. Coating frame plate; 211. Built-in bearing; 212. Folding roller; 22. Fixed plate; 221. Gluing platform; 23. Bottom plate; 231. Clamping roller; 24. Gear A; 25. Transmission gear box; 251. Gear B; 26. Driving motor; 261. Gear C; 3. Adjustment mechanism; 31. External cylinder; 32. Moving seat; 321. Moving frame; 322. Linkage plate; 323. First reversing roller; 324. Micro cylinder; 33. Sliding seat; 331. Fixed platform; 34. Second reversing Toward roller; 4, moving mechanism; 41, driving seat; 411, rotating disk; 412, threaded ring; 42, spiral gear; 421, built-in rod; 43, transmission seat; 431, extension rod; 44, built-in gear; 45, detection frame; 451, laser displacement sensor; 452, laser displacement receiver; 5, smoothing mechanism; 51, rotating motor; 511, centrifugal disk; 512, linkage rod; 52, movable seat; 53, movable rod; 531, angle adjuster; 532, built-in cylinder; 54, long rod; 541, angle rotator; 55, scraper plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1, refer to Figure 1-Figure 9 As shown: The present invention provides a device for applying fluid to a surface, comprising an external component 1, a coating head mechanism 2, an adjustment mechanism 3, a moving mechanism 4 and a smoothing mechanism 5; The coating head mechanism 2 is located inside the external component 1 and uses a driving motor 26 as a power source, which is used to constitute a power source to drive the entire device; The adjustment mechanism 3 uses the external cylinder 31 and the micro cylinder 324 as a power source to adjust the distance between the first reversing roller 323, the second reversing roller 34 and the return roller 212; The moving mechanism 4 acts on the rotating disk 411, and can be used to push the detection frame 45 to move under the internal transmission of the moving mechanism 4, so as to adjust the distance between the detection frame 45 and the return roller 212; The smoothing mechanism 5 uses the rotating motor 51 as a power source to form a centrifugal force, which cooperates with each other to form a back and forth drive, and can maintain the reciprocating motion of the scraper plate 55 during the contact process with the coating surface, thereby improving the scraping flatness of the coating surface.

[0022] In this embodiment, when the device is in use, it is necessary to make preliminary adjustments to the device. First, under the action of the synchronizer, the two external cylinders 31 are started at the same time, and the telescopic ends of the two cylinders are in operation at the same frequency, thereby pushing the two moving seats 32 to move to one side, thereby adjusting the distance between the second reversing roller 34 and the return roller 212. Then, the two micro cylinders 324 are connected and driven by the synchronizer. Under the telescopic action of the telescopic ends, and with the two linkage plates 322 as linkage media, the two moving frames 321 can be pulled to be embedded and moved inside the moving seat 32 respectively. This adjustment method can effectively adjust the spacing between the first reversing roller 323 and the second reversing roller 34. This adjustment method can be effectively adjusted according to a coating thickness requirement, thereby improving the adaptability of the device. First, the coating is passed from the bottom of the two first reversing rollers 323, and the coating is clamped between the outer walls of the first reversing roller 323 and the second reversing roller 34. The coating then passes between the clamping roller 231 and the outer wall of the return roller 212, and then is rolled back from the bottom through the return roller 212.

[0023] Embodiment 2, according to Figure 1-Figure 9 As shown, the adjustment mechanism 3 includes two external cylinders 31 and two fixing platforms 331; The telescopic ends of the two external cylinders 31 are fixedly connected with a moving seat 32, the inner surface walls of the two moving seats 32 are slidably embedded with a moving frame 321, the insides of the two moving frames 321 are rotatably connected with a first reversing roller 323, the outer walls of the two moving frames 321 are fixedly connected with a linkage plate 322, the outer walls of the two moving seats 32 are fixedly connected with a micro cylinder 324, and the telescopic ends of the two micro cylinders 324 are respectively fixedly connected to the outer wall of the linkage plate 322, the insides of the two moving seats 32 are rotatably connected with a second reversing roller 34, the outer walls of the two fixed platforms 331 are slidably embedded with a sliding seat 33, and the tops of the two sliding seats 33 are respectively fixedly connected to the bottom of the moving seat 32; The moving mechanism 4 includes a set of driving seats 41 and two transmission seats 43; A rotating disk 411 is rotatably connected to the inner surface wall of a driving seat 41, a threaded ring 412 is fixedly sleeved on the outer surface wall of the rotating disk 411, a helical gear 42 is meshedly connected to the outer surface wall of the threaded ring 412, a built-in rod 421 is fixedly connected to one side of the outer wall of the helical gear 42, and two built-in gears 44 are fixedly sleeved on the outer surface wall of the built-in rod 421; The inner surface walls of the two transmission seats 43 are both embedded with movable extension rods 431, and the outer surface walls of the two built-in gears 44 are both rotatably connected to the inside of the transmission seat 43, and the outer surface walls of the two built-in gears 44 are respectively meshed with the inside of the extension rods 431 for transmission, and a detection frame 45 is fixedly connected between one side of the outer wall of the two extension rods 431, and a laser displacement sensor 451 is arranged inside the detection frame 45, and a group of laser displacement receivers 452 are arranged inside the laser displacement sensor 451; The smoothing mechanism 5 includes a rotating motor 51 and a long rod 54; The rotating end of the rotating motor 51 is fixedly connected to a centrifugal disk 511, and a linkage rod 512 is movably sleeved on the top of the centrifugal disk 511. A movable seat 52 is movably inserted into the inner surface wall of the linkage rod 512, and two movable rods 53 are fixedly inserted inside the movable seat 52. Two angle adjusters 531 are fixedly connected to one side of the outer wall of the two movable seats 52. The adjustment ends of the two angle adjusters 531 are movably connected to the built-in cylinders 532, and the telescopic ends of the two built-in cylinders 532 are fixedly connected to the angle rotators 541. A scraper plate 55 is fixedly connected between the tops of the two angle rotators 541, and one side of the outer wall of the two angle rotators 541 is fixedly connected to the outer wall of the long rod 54.

[0024] In this embodiment, the processed raw materials are then inverted inside the gluing platform 221, and a notch is opened at the bottom of the gluing platform 221, and such a notch is controlled by a solenoid valve and can adjust a flow rate. When the coating is clamped between the return roller 212 and the outer wall of the clamping roller 231, the clamping roller 231 can pour the raw materials inside the gluing platform 221 into the outer wall of the clamping roller 231 during rotation. In this process, the driving motor 26 acts as a power and drives the gear C261 to rotate. Since the gear C261 is in meshing transmission with the gear B251, and the gear B251 drives the internal components of the transmission gear box 25 to implement transmission, the transmission gear box 25 is meshing transmission with the gear A24, and finally the return roller 212 fixedly installed on one side of the outer wall of the gear A24 is realized to transmit. By rotating the rotating disk 411, the meshing transmission between the threaded ring 412 and the helical gear 42 is maintained, so that the built-in rod 421 is rotated, and the built-in rod 421 drives the two built-in gears 44 to rotate at the same frequency, maintaining the meshing transmission between the two built-in gears 44 and the bottom of the extension rod 431 respectively, and maintaining the two extension rods 431 to be embedded and moved inside the transmission seat 43 respectively, thereby pushing the detection frame 45 fixedly installed between one side of the outer wall of the two extension rods 431 to move to one side. In this process, the laser displacement sensor 451 emits a laser beam, and the laser displacement receiver 452 receives the signal reflected back, calculates the distance between the coating surface and the sensor, and thus obtains the coating thickness. When the coating thickness is uneven, the signal strength and time difference received by the sensor will change.

[0025] Embodiment 3, according to Figure 1-Figure 4 As shown, the coating head mechanism 2 includes a coating frame plate 21 and a transmission gear box 25; Two built-in bearings 211 are fixedly inserted inside the coating frame plate 21, and a folding roller 212 is rotatably connected between the inner walls of the two built-in bearings 211. Two fixed plates 22 are fixedly installed on the top of the coating frame plate 21, and a gluing platform 221 is fixedly connected between the outer walls of the two fixed plates 22. The bottoms of the two fixed plates 22 are fixedly connected to bottom plates 23, and a clamping roller 231 is rotatably connected between the insides of the two bottom plates 23. A gear A24 is fixedly connected to one side of the outer wall of the folding roller 212, and a gear B251 is fixedly connected to the transmission end of the transmission gear box 25, and the internal transmission end of the transmission gear box 25 is meshed with the outer wall of the gear A24 for transmission, and one side of the outer wall of the transmission gear box 25 is fixedly connected to one side of the outer wall of the coating frame plate 21, and a driving motor 26 is fixedly connected to one side of the outer wall of the coating frame plate 21, and a gear C261 is fixedly connected to the rotating end of the driving motor 26, and the outer wall of the gear C261 is meshed with the inner wall of the gear B251 for transmission; One side of the outer wall of the external component 1 is fixedly connected to the outer wall of the coating frame plate 21, one side of the outer wall of the two external cylinders 31 is fixedly connected to one side of the outer wall of the coating frame plate 21, the bottoms of the two fixed platforms 331 are respectively fixedly connected to the bottoms of the inner walls of the coating frame plate 21, one side of the outer wall of a group of driving seats 41 is fixedly connected to one side of the outer wall of the coating frame plate 21, one side of the outer walls of the two transmission seats 43 are fixedly connected to the inner wall of the coating frame plate 21, and the built-in rod 421 movably runs through the interior of the coating frame plate 21.

[0026] In this embodiment, during the process of gluing the coating, the output end of the rotating motor 51 can rotate when it is powered on, and the centrifugal disk 511 rotates to generate centrifugal force, and the centrifugal force is transmitted by the linkage rod 512. With the cooperation of the two movable rods 53, the movable seat 52 can be kept moving back and forth quickly, thereby keeping the scraper plate 55 shaking quickly, so as to smooth and clean the excess glue attached to the outer wall of the coating. When in use, the two built-in cylinders 532 are started by the synchronizer, and the angle rotator 541 can be used as a medium to push the bottom of the scraper plate 55 forward. Under the limit of the angle adjuster 531, an angle of the scraper plate 55 can be effectively adjusted.

[0027] The working principle of the whole mechanism is as follows: first, before the equipment is put into use, the whole device needs to be adjusted. Under the precise control of the synchronizer, the two external cylinders 31 will start at the same time, and their telescopic ends will telescope at the same frequency, thereby pushing the two moving seats 32 to move to one side, and accurately adjusting the distance between the second reversing roller 34 and the return roller 212. Subsequently, the two micro cylinders 324 also start to work under the connection and drive of the synchronizer. Their telescopic ends use the linkage plate 322 as a medium to pull the two moving frames 321 to move embedded inside the moving seat 32, and adjust the distance between the first reversing roller 323 and the second reversing roller 34. The coating material passes through the bottom of the two first reversing rollers 323 and is clamped between the outer wall of the first reversing roller 323 and the outer wall of the second reversing roller 34. Then, the coating material passes through the outer wall of the clamping roller 231 and the return roller 212, and is finally rolled back from the bottom through the return roller 212. In this process, the components required for the coating processing device are extremely precise. During the processing, the raw material will be inverted inside the gluing platform 221. A notch controlled by a solenoid valve is provided at the bottom of the gluing platform 221. The flow rate of the raw material can be accurately controlled by adjusting the solenoid valve. When the coating material is clamped between the return roller 212 and the clamping roller, the coating material is directly applied to the coating surface of the coating surface. 231, the clamping roller 231 starts to rotate under the drive of the driving motor 26. This rotation process will evenly guide the raw materials inside the gluing platform 221 to the outer wall between the clamping roller 231, so as to realize the gluing process of coating. The power of the driving motor 26 is transmitted to the gear B251 through the gear C261, thereby driving the transmission of the internal components of the transmission gear box 25. Finally, this power transmission will drive the return roller 212 fixedly installed on one side of the outer wall of the gear A24 to rotate, ensuring that the coating can be smoothly transmitted in the equipment. In addition, during the coating process, after the rotating motor 51 is energized, its output end will rotate, and produce through the centrifugal disk 511 Centrifugal force is generated, and this centrifugal force is transmitted to the movable rod 53 through the linkage rod 512. With the expansion and contraction of the movable rod 53, the movable seat 52 is driven to move back and forth quickly. The movement of the movable seat 52 will drive the scraper plate 55 to shake quickly, so as to smooth and clean the excess colloid attached to the outer wall of the coating. In order to ensure that the scraper plate 55 can be moved and adjusted according to the predetermined angle, the two built-in cylinders 532 will use the angle rotator 541 as a medium under the activation of the synchronizer to push the bottom of the scraper plate 55 forward. At the same time, under the limiting action of the angle adjuster 531, the angle of the scraper plate 55 can be adjusted to meet different production needs.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for applying a fluid to a surface, comprising an external component (1), a coating head mechanism (2), an adjustment mechanism (3), a moving mechanism (4) and a smoothing mechanism (5), characterized in that ； The coating head mechanism (2) is located inside the external component (1) and uses a driving motor (26) as a power source, which is used to form a power source to drive the entire device; The adjustment mechanism (3) uses an external cylinder (31) and a micro cylinder (324) as a power source and is used to adjust the spacing between the first reversing roller (323), the second reversing roller (34) and the return roller (212); The moving mechanism (4) acts on the rotating disk (411) and can be used to push the detection frame (45) to move under the internal transmission of the moving mechanism (4) so ​​as to adjust the distance between the detection frame (45) and the return roller (212); The smoothing mechanism (5) uses a rotating motor (51) as a power source to generate centrifugal force, which cooperates with each other to form a back-and-forth drive, and can maintain the reciprocating motion of the scraping plate (55) during the contact process with the coating surface, thereby improving the scraping flatness of the coating surface.

2. A device for applying a fluid to a surface according to claim 1, characterized in that: The smoothing mechanism (5) comprises a rotating motor (51) and a long rod (54); The rotating end of the rotating motor (51) is fixedly connected to a centrifugal disc (511), a linkage rod (512) is movably sleeved on the top of the centrifugal disc (511), a movable seat (52) is movably inserted into the inner surface wall of the linkage rod (512), two movable rods (53) are fixedly inserted inside the movable seat (52), one side of the outer wall of the two movable seats (52) are fixedly connected to two angle adjusters (531), the adjustment ends of the two angle adjusters (531) are movably connected to a built-in cylinder (532), the telescopic ends of the two built-in cylinders (532) are fixedly connected to an angle rotator (541), a scraping plate (55) is fixedly connected between the tops of the two angle rotators (541), and one side of the outer walls of the two angle rotators (541) is fixedly connected to the outer wall of the long rod (54).

3. A device for applying a fluid to a surface according to claim 2, characterized in that: The moving mechanism (4) comprises a set of driving seats (41) and two transmission seats (43); A rotating disk (411) is rotatably connected to the inner surface wall of a group of the driving seats (41); a threaded ring (412) is provided on the outer surface wall of the rotating disk (411); a helical gear (42) is meshedly connected to the outer surface wall of the threaded ring (412); an inner rod (421) is fixedly connected to one side of the outer wall of the helical gear (42); and two inner gears (44) are provided on the outer surface wall of the inner rod (421); The inner surfaces of the two transmission seats (43) are both embedded with movable extension rods (431), and the outer surfaces of the two built-in gears (44) are both rotatably connected to the inside of the transmission seat (43), and the outer surfaces of the two built-in gears (44) are respectively meshed with the inside of the extension rods (431) for transmission, and a detection frame (45) is fixedly connected between one side of the outer walls of the two extension rods (431), and a laser displacement sensor (451) is arranged inside the detection frame (45), and a group of laser displacement receivers (452) are arranged inside the laser displacement sensor (451).

4. A device for applying a fluid to a surface according to claim 3, characterized in that: The regulating mechanism (3) comprises two external cylinders (31) and two fixing platforms (331); The telescopic ends of the two external cylinders (31) are fixedly connected to a moving seat (32), the inner surface walls of the two moving seats (32) are slidably embedded with a moving frame (321), the interiors of the two moving frames (321) are rotatably connected to a first reversing roller (323), one side of the outer wall of the two moving frames (321) is fixedly connected to a linkage plate (322), one side of the outer wall of the two moving seats (32) is fixedly connected to a micro cylinder (324), and the telescopic ends of the two micro cylinders (324) are respectively fixedly connected to one side of the outer wall of the linkage plate (322), and the interiors of the two moving seats (32) are rotatably connected to a second reversing roller (34).

5. The device for applying a fluid to a surface according to claim 4, characterized in that: The outer walls of the two fixed platforms (331) are both slidably embedded with sliding seats (33), and the tops of the two sliding seats (33) are respectively fixedly connected to the bottoms of the movable seats (32).

6. The device for applying fluid to a surface according to claim 5, characterized in that: The coating head mechanism (2) comprises a coating frame plate (21) and a transmission gear box (25); Two built-in bearings (211) are fixedly inserted inside the coating frame plate (21), and a folding roller (212) is rotatably connected between the inner surface walls of the two built-in bearings (211).

7. The device for applying a fluid to a surface according to claim 6, characterized in that: Two fixed plates (22) are fixedly installed on the top of the coating frame plate (21); a gluing platform (221) is fixedly connected between the outer walls of the two fixed plates (22); a bottom plate (23) is fixedly connected to the bottom of the two fixed plates (22); a clamping roller (231) is rotatably connected between the insides of the two bottom plates (23); and a gear A (24) is fixedly connected to one side of the outer wall of the folding roller (212).

8. The device for applying a fluid to a surface according to claim 7, characterized in that: The transmission end of the transmission gear box (25) is fixedly connected to a gear B (251), and the internal transmission end of the transmission gear box (25) meshes with the outer wall of the gear A (24) for transmission, while one side of the outer wall of the transmission gear box (25) is fixedly connected to one side of the outer wall of the coating frame plate (21).

9. The device for applying a fluid to a surface according to claim 8, characterized in that: A driving motor (26) is fixedly connected to one side of the outer wall of the coating frame plate (21), a gear C (261) is fixedly connected to the rotating end of the driving motor (26), and the outer wall of the gear C (261) is meshed with the inner wall of the gear B (251) for transmission.

10. The device for applying fluid to a surface according to claim 9, characterized in that: One side of the outer wall of the external component (1) is fixedly connected to the outer wall of the coating frame plate (21); one side of the outer wall of the two external cylinders (31) is fixedly connected to the outer wall of the coating frame plate (21); the bottoms of the two fixed platforms (331) are respectively fixedly connected to the bottom of the inner wall of the coating frame plate (21); one side of the outer wall of a group of driving seats (41) is fixedly connected to the outer wall of the coating frame plate (21); one side of the outer wall of the two driving seats (43) is fixedly connected to the inner wall of the coating frame plate (21); and the internal rod (421) movably passes through the interior of the coating frame plate (21).

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