A kind of paper environmental protection coating device based on high molecular polymer

Abstract

The application relates to the coating technical field and particularly relates to an environment-friendly coating device for paper based on high-molecular polymers, which comprises a support, a cleaning tank arranged at the bottom of the support, a spraying head arranged at the top of the support, an extension rod fixed at the bottom of the cleaning tank, a connecting frame arranged at the bottom of the extension rod, an air cylinder arranged on the surface of the connecting frame, a driving shaft arranged on the surface of the support, a supporting rod fixed on the surface of the driving shaft, a supporting plate fixed at the end of the supporting rod, a cavity arranged in the supporting plate, a vertical rod inserted into the surface of the supporting plate, a lifting plate fixed at the end of the vertical rod and a counterweight fixed on the surface of the lifting plate.

Description

TECHNICAL FIELD

[0001] The application relates to the coating technology field, in particular to an environment-friendly coating device for paper based on a high-molecular polymer. BACKGROUND

[0002] The environment-friendly coating refers to coating materials that have little influence on the environment during production, use and waste treatment, or have specific environment-friendly functions.

[0003] In the prior art, patent No. CN222770783U discloses a power transmission line anti-icing coating device, which comprises a device frame, a raw material roller of the power transmission line and a product roller of the power transmission line are installed on the device frame, the raw material roller is a roller winding the power transmission line without coating, the product roller is a roller winding the power transmission line with coating, the power transmission line forms a coating route from the raw material roller to the product roller, the coating route is from back to front from the raw material roller to the product roller, a rear low-temperature chamber and a front spraying chamber are installed on the device frame, the low-temperature chamber has a low-temperature chamber inlet and a low-temperature chamber outlet, the spraying chamber has a spraying chamber inlet and a spraying chamber outlet, the coating route passes through the low-temperature chamber and the spraying chamber, and the low-temperature chamber is provided with a temperature adjusting component, which is a first temperature adjusting component.

[0004] However, when the environment-friendly coating is sprayed on the paper, the sprayed coating will remain on the surface of the supporting plate, so that the coating on the surface of the supporting plate will stick to the back of the next group of paper when the next group of paper is sprayed. SUMMARY

[0005] The application aims to provide an environment-friendly coating device for paper based on a high-molecular polymer to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: an environment-friendly coating device for paper based on a high-molecular polymer, comprising:

[0007] The bracket is provided with a cleaning tank at the bottom, a spraying head at the top, a telescopic rod fixed at the bottom of the cleaning tank, a connecting frame at the bottom of the telescopic rod, a gas cylinder on the surface of the connecting frame, a driving shaft on the surface of the bracket, a support rod fixed on the surface of the driving shaft, a supporting plate fixed at the end of the support rod, a cavity in the supporting plate, a vertical rod inserted into the surface of the supporting plate, a lifting plate fixed at the end of the vertical rod, and a counterweight fixed on the surface of the lifting plate.

[0008] Preferably, the telescopic rod is inserted in the inside of the connecting frame, the telescopic rod can move telescopically in the inside of the connecting frame, the piston rod at the end of the air cylinder is connected with the cleaning tank, the air cylinder can drive the cleaning tank to move up and down, the telescopic rod moves with the cleaning tank, the inside of the cleaning tank is provided with a rotating shaft, the rotating shaft can rotate in the inside of the cleaning tank, the end of the rotating shaft is fixed with rotating rods, the rotating rods are provided in multiple groups, the rotating rods rotate with the rotating shaft, the surface of the rotating rods is provided with brushes, the brushes rotate with the rotating rods.

[0009] Preferably, the surface of the cleaning tank is provided with a groove, the groove is provided with a supporting rod, the supporting rod moves up and down with the cleaning tank, the surface of the support is fixed with an extension rod, the surface of the extension rod is provided with a through groove, the through groove is fixed with a cross rod, the surface of the cross rod is provided with a first spring, the through groove is inserted with a moving plate, the moving plate can move in the through groove, the cross rod is inserted in the inside of the moving plate, the moving plate can move outside the cross rod, one end of the first spring is connected with the surface of the moving plate, the other end is connected with the inner wall of the through groove, the first spring has a thrust on the moving plate, so that the two groups of moving plates are close to each other.

[0010] Preferably, the surface of the moving plate is fixed with an extension plate, the surface of the extension plate is provided with air outlets, the air outlets are provided in multiple groups, the inside of the extension plate is communicated with the inside of the moving plate, the surface of the moving plate is fixed with an arc-shaped plate, the inside of the arc-shaped plate is communicated with the inside of the moving plate, the other end of the arc-shaped plate is connected with a connecting rod, the inside of the connecting rod is provided with a circular hole, the circular hole is communicated with the inside of the arc-shaped plate, the circular hole is provided with a fan blade, the fan blade can rotate in the circular hole, so that air enters the inside of the circular hole.

[0011] Preferably, the surface of the support is inserted with a driving shaft, the driving shaft can rotate in the inside of the support, one end of the driving shaft is connected with a motor, the motor is fixed on the surface of the support, the motor can drive the driving shaft to rotate, the outside of the driving shaft is sleeved with a sleeved pipe, the sleeved pipe can rotate outside the driving shaft, the surface of the driving shaft is provided with a hole, the sleeved pipe is located outside the hole on the surface of the driving shaft, the surface of the sleeved pipe is connected with a connecting pipe, the other end of the connecting pipe is connected with an air suction device, the inside of the driving shaft is communicated with the inside of the connecting pipe through the hole on the surface of the driving shaft and the sleeved pipe.

[0012] Preferably, the support rod is provided in three groups, two groups of support rods are fixed on the surface of the driving shaft and rotate with the driving shaft, the surface of the other group of support rods is provided with a lifting plate, the support rod is inserted in the inside of the lifting plate and the lifting plate can move outside the support rod, the inside of the support rod in the lifting plate is provided with a connecting groove, the lifting plate and the supporting plate are provided with a second spring, the second spring is provided in two groups, the second spring has a pulling force on the lifting plate, so that the lifting plate is close to the surface of the supporting plate, the surface of the lifting plate is provided with multiple counterweights, the counterweights move with the lifting plate.

[0013] Preferably, the support plate has a cavity inside, and multiple sets of openings are formed on the surface of the support plate. A blocking block is provided in the cavity, and a vertical rod is fixed to the end of the blocking block. The vertical rod is inserted into the inside of the support plate, and the end of the vertical rod is fixed to the surface of the lifting plate. The vertical rod moves with the lifting plate and can move inside the support plate.

[0014] Preferably, the diameter of the opening is the same as the diameter of the plug, and the plug can be inserted into the opening after it is moved. The plug is provided with a rubber layer on the outside, and the connecting groove communicates with the cavity, so that the cavity communicates with the inside of the drive shaft.

[0015] Preferably, paper is placed on the surface of the support plate, and the spray head can move to spray the paper on the surface of the support plate.

[0016] Preferably, the surface of the support plate is provided with a waterproof layer.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] This invention proposes a method where paper is placed on the surface of a support plate, and a coating is sprayed onto the paper using a spray head. After spraying, the paper is removed, and a drive shaft is rotated by a motor. The drive shaft rotates between two sets of supports, and through a support rod, it drives the support plate to rotate, causing the two sets of support plates to switch positions. A cylinder drives the cleaning tank to rise, and a telescopic rod rises inside the connecting frame. During the rise, a top holding rod on the surface of the cleaning tank holds the bottom of an arc-shaped plate, causing the arc-shaped plate to move a moving plate. The moving plate moves laterally in the through groove and compresses the first spring, causing the two sets of moving plates to move away from each other. After the cleaning tank rises, the support plate is located inside the cleaning tank, which contains cleaning liquid. A rotating shaft rotates inside the cleaning tank, driving a rotating rod to rotate. The brush on the surface of the rotating rod contacts the surface of the support plate, and the brush cleans the coating on the surface of the support plate. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention.

[0020] Figure 2 This is a schematic diagram of the structure of the present invention from another perspective.

[0021] Figure 3 This is a schematic diagram of the cleaning tank structure of the present invention.

[0022] Figure 4 This is a schematic diagram of the internal structure of the present invention.

[0023] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point A in the middle.

[0024] Figure 6 It is the schematic diagram of the moving plate structure of the present application.

[0025] Figure 7 It is the schematic diagram of the driving shaft structure of the present application.

[0026] Figure 8 It is the schematic diagram of the cross section structure of the supporting plate of the present application.

[0027] Figure 9 It is the schematic diagram of the local enlarged structure of the cross section of the supporting plate of the present application.

[0028] Figure 10 It is the schematic diagram of the local enlarged structure of the cross section of the supporting plate of the present application. Figure 9 It is the schematic diagram of the local enlarged structure of the cross section of the supporting plate of the present application.

[0029] In the figure: support 1, cleaning tank 2, spraying head 3, telescopic rod 4, connecting frame 5, air cylinder 6, brush 7, rotating rod 8, rotating shaft 9, top holding rod 10, slot 11, air outlet hole 12, extension plate 13, moving plate 14, cross rod 15, through slot 16, extension rod 17, first spring 18, fan blade 19, round hole 20, connecting rod 21, arc plate 22, supporting plate 23, connecting pipe 24, motor 25, sleeving pipe 26, supporting rod 27, driving shaft 28, second spring 29, lifting plate 30, counterweight 31, cavity 32, hole 33, plugging block 34, vertical rod 35, connecting slot 36. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution of the present application clear and complete, and the advantages more clear and obvious, the following will further describe the embodiments of the present application in combination with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all the embodiments, and are only used to explain the embodiments of the present application, and not used to limit the embodiments of the present application, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the scope of protection of the present application.

[0031] Please refer to Figures 1 to 10 The present application provides a technical solution:

[0032] Embodiment 1: a polymer-based paper environmental protection coating device, comprising: a support 1, a cleaning tank 2 is arranged at the bottom of the support 1, a spraying head 3 is arranged at the top of the support 1, a telescopic rod 4 is fixed at the bottom of the cleaning tank 2, a connecting frame 5 is arranged at the bottom of the telescopic rod 4, an air cylinder 6 is arranged on the surface of the connecting frame 5, a driving shaft 28 is arranged on the surface of the support 1, a supporting rod 27 is fixed on the surface of the driving shaft 28, a supporting plate 23 is fixed at the end of the supporting rod 27, a cavity 32 is arranged in the supporting plate 23, a vertical rod 35 is inserted into the surface of the supporting plate 23, a lifting plate 30 is fixed at the end of the vertical rod 35, a counterweight 31 is fixed on the surface of the lifting plate 30, when the supporting plate 23 is at the bottom, the second spring 29 pulls the lifting plate 30, and the gravity of the counterweight 31 acts on the lifting plate 30, so that the lifting plate 30 drives the vertical rod 35 to move, and after the vertical rod 35 moves, the blocking block 34 is inserted into the hole 33, so as to keep the cavity 32 sealed, and when the supporting plate 23 is at the top, due to the gravity of the counterweight 31, the blocking block 34 is separated from the inside of the hole 33.

[0033] Embodiment 2: on the basis of embodiment 1, the telescopic rod 4 is inserted into the inside of the connecting frame 5, the telescopic rod 4 can move in and out of the connecting frame 5, the piston rod at the end of the air cylinder 6 is connected with the cleaning tank 2, the air cylinder 6 can drive the cleaning tank 2 to move up and down, the telescopic rod 4 moves with the cleaning tank 2, a rotating shaft 9 is arranged in the inside of the cleaning tank 2, the rotating shaft 9 can rotate in the inside of the cleaning tank 2, a rotating rod 8 is fixed at the end of the rotating shaft 9, a plurality of groups of rotating rods 8 are arranged, the rotating rod 8 rotates with the rotating shaft 9, a brush 7 is arranged on the surface of the rotating rod 8, the brush 7 rotates with the rotating rod 8, a cleaning liquid is placed in the inside of the cleaning tank 2, and the rotating shaft 9 rotates in the inside of the cleaning tank 2, the rotating shaft 9 drives the rotating rod 8 to rotate, the brush 7 on the surface of the rotating rod 8 contacts the surface of the supporting plate 23, and the paint on the surface of the supporting plate 23 is cleaned by the brush 7.

[0034] The surface of the cleaning tank 2 is provided with a groove 11, and a supporting rod 10 is arranged in the groove 11. The supporting rod 10 moves up and down with the cleaning tank 2. The surface of the support 1 is fixedly provided with an extension rod 17, and the surface of the extension rod 17 is provided with a through groove 16. A cross rod 15 is fixedly arranged in the through groove 16. The surface of the cross rod 15 is provided with a first spring 18. A moving plate 14 is inserted into the through groove 16. The moving plate 14 can move in the through groove 16. The cross rod 15 is inserted into the inside of the moving plate 14. The moving plate 14 can move outside the cross rod 15. One end of the first spring 18 is connected to the surface of the moving plate 14, and the other end is connected to the inner wall of the through groove 16. The first spring 18 has a pushing force on the moving plate 14, so that the two groups of moving plates 14 are close to each other. The surface of the support 1 is inserted with a driving shaft 28. The driving shaft 28 can rotate in the inside of the support 1. One end of the driving shaft 28 is connected to a motor 25. The motor 25 is fixedly arranged on the surface of the support 1. The motor 25 can drive the driving shaft 28 to rotate. A sleeving pipe 26 is sleeved on the outside of the driving shaft 28. The sleeving pipe 26 can rotate on the outside of the driving shaft 28. The surface of the driving shaft 28 is provided with a hole. The sleeving pipe 26 is located outside the hole on the surface of the driving shaft 28. The surface of the sleeving pipe 26 is connected to a connecting pipe 24. The other end of the connecting pipe 24 is connected to an air suction device. The inside of the driving shaft 28 is communicated with the inside of the connecting pipe 24 through the hole on the surface of the driving shaft 28 and the sleeving pipe 26. The surface of the driving shaft 28 is fixedly provided with a supporting rod 27. The supporting rod 27 is provided with three groups. Two groups of supporting rods 27 are fixedly arranged on the surface of the driving shaft 28 and rotate with the driving shaft 28. The surface of the other group of supporting rods 27 is provided with a lifting plate 30. The supporting rod 27 is inserted into the inside of the lifting plate 30. The lifting plate 30 can move outside the supporting rod 27. The inside of the supporting rod 27 located in the lifting plate 30 is provided with a connecting groove 36. The lifting plate 30 and a supporting plate 23 are provided with a second spring 29. The second spring 29 is provided with two groups. The second spring 29 has a pulling force on the lifting plate 30, so that the lifting plate 30 is close to the surface of the supporting plate 23. The surface of the lifting plate 30 is provided with a plurality of counterweights 31. The counterweights 31 move with the lifting plate 30. The inside of the supporting plate 23 is provided with a cavity 32. The surface of the supporting plate 23 is provided with a plurality of holes 33. The cavity 32 is provided with a blocking block 34. The end of the blocking block 34 is fixedly provided with a vertical rod 35. The vertical rod 35 is inserted into the inside of the supporting plate 23. The end of the vertical rod 35 is fixedly arranged on the surface of the lifting plate 30. The vertical rod 35 moves with the lifting plate 30 and can move in the inside of the supporting plate 23. The diameter of the hole 33 is consistent with the diameter of the blocking block 34. The blocking block 34 can be inserted into the hole 33 after moving. The outside of the blocking block 34 is provided with a rubber layer. The connecting groove 36 is communicated with the cavity 32, so that the cavity 32 is communicated with the inside of the driving shaft 28. The surface of the supporting plate 23 is placed with paper. The spraying head 3 can move to spray the paper on the surface of the supporting plate 23. The surface of the supporting plate 23 is provided with a waterproof layer.The driving shaft 28 drives the supporting plate 23 to rotate through the supporting rod 27, so that the two groups of supporting plates 23 are exchanged, the air cylinder 6 drives the cleaning tank 2 to rise, the telescopic rod 4 rises in the inside of the connecting frame 5, and the top supporting rod 10 on the surface of the cleaning tank 2 is supported at the bottom of the arc-shaped plate 22 in the rising process, so that the arc-shaped plate 22 drives the moving plate 14 to move.

[0035] The surface of the moving plate 14 is fixedly connected with the extension plate 13, the surface of the extension plate 13 is provided with a plurality of air outlet holes 12, the inside of the extension plate 13 is communicated with the inside of the moving plate 14, the surface of the moving plate 14 is fixedly connected with the arc-shaped plate 22, the inside of the arc-shaped plate 22 is communicated with the inside of the moving plate 14, the other end of the arc-shaped plate 22 is connected with the connecting rod 21, the inside of the connecting rod 21 is provided with a circular hole 20, the circular hole 20 is communicated with the inside of the arc-shaped plate 22, and the circular hole 20 is provided with the fan blade 19.

[0036] The paper is placed on the surface of the supporting plate 23, the paper on the surface of the supporting plate 23 is coated by the spraying head 3, after the spraying is completed, the paper is taken down, the driving shaft 28 is driven by the motor 25 to rotate, the driving shaft 28 rotates between the two groups of supports 1, the driving shaft 28 drives the supporting plate 23 to rotate through the supporting rod 27, so that the two groups of supporting plates 23 exchange positions, the cleaning tank 2 is driven by the air cylinder 6 to rise, the telescopic rod 4 rises in the inside of the connecting frame 5, the top holding rod 10 on the surface of the cleaning tank 2 is held at the bottom of the arc plate 22 during the rising process, so that the arc plate 22 drives the moving plate 14 to move, the moving plate 14 moves in the through slot 16 and extrudes the first spring 18, the two groups of moving plates 14 move away from each other, after the cleaning tank 2 rises, the supporting plate 23 is located in the inside of the cleaning tank 2, the cleaning liquid is placed in the inside of the cleaning tank 2, and the rotating shaft 9 rotates in the inside of the cleaning tank 2, the rotating shaft 9 drives the rotating rod 8 to rotate, the brush 7 on the surface of the rotating rod 8 contacts the surface of the supporting plate 23, the coating on the surface of the supporting plate 23 is cleaned by the brush 7, after the cleaning tank 2 descends, the two groups of moving plates 14 move close to each other under the pushing of the first spring 18, the fan blade 19 in the circular hole 20 rotates to make the air enter the inside of the connecting rod 21, and enter the inside of the extension plate 13 through the arc plate 22, the air is sprayed out through the air outlet hole 12, the air blows the surface of the supporting plate 23 dry, and when the supporting plate 23 is located at the bottom, the second spring 29 pulls the lifting plate 30, and the gravity of the counterweight 31 acts, so that the lifting plate 30 drives the vertical rod 35 to move, after the vertical rod 35 moves, the blocking block 34 is inserted into the opening 33, the sealing of the cavity 32 is maintained, when the supporting plate 23 is located at the top, the blocking block 34 is separated from the inside of the opening 33 due to the gravity of the counterweight 31, the connecting groove 36 communicates with the inside of the cavity 32, the connecting groove 36 communicates with the connecting pipe 24 through the inside of the driving shaft 28, the connecting pipe 24 is connected with the air suction equipment, so that the paper is adsorbed on the surface of the supporting plate 23 through the opening 33, and the surface of the supporting plate 23 is provided with a waterproof layer, so that the surface of the supporting plate 23 can be quickly dried.

[0037] Although the above describes the specific embodiments of the present application in order to enable a person skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments, and for those skilled in the art, all application creations utilizing the concept of the present application are within the protection scope of the present application as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims.

Claims

1. An environmentally friendly paper coating device based on polymer, characterized in that: include: The bracket (1) has a cleaning tank (2) at its bottom and a spray head (3) at its top. A telescopic rod (4) is fixed to the bottom of the cleaning tank (2). A connecting frame (5) is set at the bottom of the telescopic rod (4). A cylinder (6) is set on the surface of the connecting frame (5). A drive shaft (28) is set on the surface of the bracket (1). A support rod (27) is fixed on the surface of the drive shaft (28). A support plate (23) is fixed at the end of the support rod (27). A cavity (32) is set inside the support plate (23). A vertical rod (35) is inserted into the surface of the support plate (23). A lifting plate (30) is fixed at the end of the vertical rod (35). A counterweight (31) is fixed on the surface of the lifting plate (30). The telescopic rod (4) is inserted into the support. Connected inside the connecting frame (5), the telescopic rod (4) can extend and retract inside the connecting frame (5). The piston rod at the end of the cylinder (6) is connected to the cleaning tank (2). The cylinder (6) can drive the cleaning tank (2) to move up and down. The telescopic rod (4) moves with the cleaning tank (2). A rotating shaft (9) is provided inside the cleaning tank (2). The rotating shaft (9) can rotate inside the cleaning tank (2). A rotating rod (8) is fixed at the end of the rotating shaft (9). There are multiple sets of rotating rods (8). The rotating rods (8) rotate with the rotating shaft (9). A brush (7) is provided on the surface of the rotating rod (8). The brush (7) rotates with the rotating rod (8). A cavity (32) is opened inside the support plate (23). Multiple sets of openings (33) are formed on the surface. A blocking block (34) is provided in the cavity (32). A vertical rod (35) is fixed to the end of the blocking block (34). The vertical rod (35) is inserted into the inside of the support plate (23), and the end of the vertical rod (35) is fixed to the surface of the lifting plate (30). The vertical rod (35) moves with the lifting plate (30), and the vertical rod (35) can move inside the support plate (23). The drive shaft (28) rotates between the two sets of brackets (1). The drive shaft (28) drives the support plate (23) to rotate through the support rod (27), so that the two sets of support plates (23) are swapped. The surface of the bracket (1) is connected to the drive shaft (28), and the drive shaft (28) can rotate inside the bracket (1). One end of the shaft (28) is connected to the motor (25), which is fixed on the surface of the bracket (1). The motor (25) can drive the drive shaft (28) to rotate. The drive shaft (28) is fitted with a sleeve (26), which can rotate outside the drive shaft (28). The surface of the drive shaft (28) has a hole, and the sleeve (26) is located outside the hole on the surface of the drive shaft (28). The surface of the sleeve (26) is connected to the connecting pipe (24), and the other end of the connecting pipe (24) is connected to the suction device. The interior of the drive shaft (28) and the interior of the connecting pipe (24) are connected through the hole on the surface of the drive shaft (28) and the sleeve (26). The surface of the drive shaft (28) is fixed with a support rod (27).Three sets of support rods (27) are provided. Two sets of support rods (27) are fixed to the surface of the drive shaft (28) and rotate with the drive shaft (28). The surface of the other set of support rods (27) is provided with a lifting plate (30). The support rods (27) are inserted into the interior of the lifting plate (30), and the lifting plate (30) can move outside the support rods (27). The support rods (27) located inside the lifting plate (30) have a connecting groove (36) inside. A second spring (29) is provided between the lifting plate (30) and the support plate (23). The second spring (29) is provided with... Two sets of springs are provided. The second spring (29) exerts a pulling force on the lifting plate (30), causing the lifting plate (30) to approach the surface of the support plate (23). Multiple sets of counterweights (31) are provided on the surface of the lifting plate (30). The counterweights (31) move with the lifting plate (30). The diameter of the opening (33) is the same as the diameter of the blocking block (34). After the blocking block (34) moves, it can be inserted into the opening (33). The outside of the blocking block (34) is provided with a rubber layer. The connecting groove (36) communicates with the cavity (32), allowing the cavity (32) to communicate with the interior of the drive shaft (28).

2. The environmentally friendly paper coating device based on polymer as described in claim 1, characterized in that: The surface of the cleaning tank (2) is provided with a slot (11), and a top support rod (10) is provided in the slot (11). The top support rod (10) moves up and down with the cleaning tank (2). An extension rod (17) is fixed on the surface of the support (1). A through groove (16) is provided on the surface of the extension rod (17). A crossbar (15) is fixed in the through groove (16). A first spring (18) is provided on the surface of the crossbar (15). A movable plate (14) is inserted into the through groove (16). The movable plate (14) can move in the through groove (16). The crossbar (15) is inserted into the inside of the movable plate (14). The movable plate (14) can move outside the crossbar (15). One end of the first spring (18) is connected to the surface of the movable plate (14), and the other end is connected to the inner wall of the through groove (16). The first spring (18) has a pushing force on the movable plate (14), so that the two sets of movable plates (14) move closer to each other.

3. The environmentally friendly paper coating device based on polymer as described in claim 2, characterized in that: An extension plate (13) is fixed to the surface of the movable plate (14). An air outlet (12) is provided on the surface of the extension plate (13). Multiple sets of air outlets (12) are provided. The interior of the extension plate (13) is connected to the interior of the movable plate (14). An arc plate (22) is fixed to the surface of the movable plate (14). The interior of the arc plate (22) is connected to the interior of the movable plate (14). The other end of the arc plate (22) is connected to a connecting rod (21). A circular hole (20) is provided inside the connecting rod (21). The circular hole (20) is connected to the interior of the arc plate (22). A fan blade (19) is provided in the circular hole (20). The fan blade (19) can rotate in the circular hole (20), allowing air to enter the interior of the circular hole (20).

4. The environmentally friendly paper coating device based on polymer as described in claim 3, characterized in that: Paper is placed on the surface of the support plate (23), and the spray head (3) can move to spray the paper on the surface of the support plate (23).

5. The environmentally friendly paper coating device based on polymer as described in claim 4, characterized in that: The surface of the support plate (23) is provided with a waterproof layer.

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