Ecological composite board surface spraying device

Abstract

The invention discloses an ecological composite board surface spraying device which comprises a body mechanism and a quick-drying mechanism, an exhaust fan on the inner side of a connecting frame synchronously rotates along with the body mechanism, and when a board is gradually away from the irradiation range of an electric baking lamp along with conveying, due to the angle difference between the exhaust fan and the electric baking lamp, the board can be quickly dried. The device is switched into a state that the exhaust fan blows the surface of the dried and heated plate, the residual temperature on the surface of the plate is also accelerated to be removed while the plate is subjected to secondary air drying by wind power, so that the plate is recovered to a normal temperature state, and after the plate is completely discharged, a third motor drives a rotating shaft to rotate reversely to drive an electric heating lamp and the exhaust fan to reset to prepare for next operation. According to the ecological composite board surface spraying device, the drying speed of a surface coating of a board subjected to spraying operation can be effectively increased in a drying and air-drying mode, so that the time consumed by adopting a natural air-drying mode is greatly shortened, and the operation efficiency of ecological composite board surface spraying is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ecological composite board processing, and specifically to a surface spraying device for ecological composite boards. Background Art

[0002] Surface spraying of ecological composite boards is a common surface treatment technology, which can provide protection such as anti-corrosion, wear resistance, and anti-ultraviolet, extend the service life of products, improve the appearance of products, provide rich colors and gloss, increase the aesthetic degree and market competitiveness of products. Spraying can also provide special functions such as anti-slip, heat insulation, conductivity, and antibacterial, and has important practical significance and application value.

[0003] After some existing surface spraying devices for ecological composite boards complete spraying on the boards, the operator collects the boards and then places them flat on the top of the placement rack to wait for the surface coating of the boards to stabilize in a natural air-drying manner. This process is time-consuming and often requires a long air-drying time to make the coating stable on the surface of the boards, which has a very adverse impact on the spraying operation efficiency of ecological composite boards. Summary of the Invention

[0004] The purpose of the present invention is to provide a surface spraying device for ecological composite boards to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A surface spraying device for ecological composite boards, including a body mechanism and a quick-drying mechanism

[0006] The body mechanism includes a driving screw fixedly connected to the output end of a second motor. A working arm is threadedly connected to the outside of the driving screw. A plurality of sliding rods are slidably connected to the inside of the working arm. The two ends of the sliding rods are fixedly connected to a main frame body. One side of the bottom of the working arm is fixedly connected to a material bin. The outside of the branch pipe is fixedly connected to a pump body through a conduit. The output end of the pump body is fixedly connected to a branch pipe. A plurality of atomizing nozzles are symmetrically arranged at the bottom of the branch pipe. The surface of the board is covered with a coating by the reciprocating movement and spraying of the atomizing nozzles.

[0007] The quick-drying mechanism includes a rotating shaft. On the outer sides of both ends of the rotating shaft, there are fixedly connected first gears. The outer sides of the first gears are drivingly connected with a first synchronous belt. The inner side of the first synchronous belt is drivingly connected with second gears. The inner sides of the second gears are fixedly connected with connecting shafts. On one side of the connecting shaft, there is fixedly connected a rotating frame. At the bottom of the rotating frame, there is fixedly connected an electric baking lamp. On the outer side of one end of the rotating shaft, there is fixedly connected a third gear. The outer side of the third gear is drivingly connected with a second synchronous belt. The inner side of the second synchronous belt is drivingly connected with a fourth gear. At one end of the fourth gear, there is fixedly connected a connecting frame. Inside the connecting frame, there are symmetrically arranged exhaust fans. By driving the electric baking lamp and the exhaust fans to always face the plate for drying and air-drying and cooling, the stable speed of the coating on the surface of the plate is accelerated.

[0008] Preferably, on one side of the second motor, there is fixedly connected a main frame body. Inside the main frame body, there are symmetrically arranged inner plates. At the bottom of the main frame body, there is fixedly connected a side plate. Inside the side plate, there are rotatably connected a number of rollers. One end of one of the rollers is fixedly connected with a first motor. On one side of the first motor, there is fixedly connected a side plate. The outer sides of the rollers are drivingly connected with a conveyor belt. At the bottom of the side plate, there is fixedly connected a bottom frame.

[0009] Preferably, on the outer sides of both ends of the rotating shaft, there are rotatably connected support plates. On the top of one side of the support plate, there is fixedly connected a third motor. The output end of the third motor is fixedly connected with a rotating shaft. At one side of the bottom of the support plate, there is movably connected a positioning screw through symmetrically arranged limiting holes. The outer side of the positioning screw is threadedly connected with a side plate. Between adjacent support plates, there is fixedly connected a base plate. On the top of the base plate, there is fixedly connected a top frame. Inside the top frame, there is fixedly connected an inner plate. On the outer sides of the side shafts, there are respectively rotatably connected sleeve frames and adapter frames. There are a number of sleeve frames and adapter frames symmetrically arranged. On one side of each of the sleeve frames and adapter frames, there is fixedly connected a top frame.

[0010] Preferably, on one side of the support plate, there are rotatably connected tension wheels. There are a number of tension wheels symmetrically arranged. On one side of each of the tension wheels, there is rotatably connected a first synchronous belt.

[0011] Preferably, on one side of the support plate, there is fixedly connected a cavity column. Inside the cavity column, there is rotatably connected a connecting shaft. On the outer side of one end of the connecting shaft, there is rotatably connected a support plate.

[0012] Preferably, on the outer side of the rotating shaft, there are rotatably connected support rings. There are a number of support rings symmetrically arranged. At the bottom of the support rings, there is fixedly connected a base plate.

[0013] Preferably, on one side of the support plate, there are fixedly connected footrests. There are a number of footrests symmetrically arranged. The footrests are of triangular structures.

[0014] Preferably, on the outer side of one end of the positioning screw, there is movably connected a gasket. The gasket is located on one side of the support plate.

[0015] Preferably, a limiting rod is fixedly connected to the bottom of the shelf board, a plurality of the limiting rods are symmetrically arranged, and a side plate is slidably connected to the outer side of the limiting rod.

[0016] Preferably, both the inner plates are made of transparent acrylic material, a main frame body is fixedly connected to the outer side of the inner plates, and a top frame is fixedly connected to the outer side of the inner plates.

[0017] The present invention has at least the following beneficial effects:

[0018] 1. When the present invention is in use, a rotating shaft is provided, and the outer sides of both ends of the rotating shaft are rotatably connected with frame plates, the outer side of the rotating shaft is fixedly connected with a first gear, two first gears are symmetrically provided, the outer side of the first gear is transmission-connected with a first synchronous belt, the inner side of the first synchronous belt is transmission-connected with a second gear, the inner side of the second gear is fixedly connected with a connecting shaft, the outer side of one end of the connecting shaft is rotatably connected with a frame, the other end of the connecting shaft is fixedly connected with a rotating frame, the bottom of the rotating frame is fixedly connected with an electric heating lamp, the outer side of the other end of the rotating shaft is fixedly connected with a third gear, the outer side of the third gear is transmission-connected with a second synchronous belt, and the inner side of the second synchronous belt is transmission-connected with a fourth gear. , a side shaft is fixedly connected to the inner side of the fourth gear, and a sleeve frame and a transfer frame are rotatably connected to the outer side of the side shaft respectively, a top frame is fixedly connected to one side of the sleeve frame and the transfer frame, and a connecting frame is fixedly connected to one end of the side shaft. An exhaust fan is symmetrically arranged on the inner side of the connecting frame, and an angle difference is arranged between the exhaust fan and the rotating frame. Turn on the first motor to drive the roller to rotate at a uniform speed on the inner side of the side plate, and drive the conveyor belt to transport the ecological composite board on the top to the inner side of the main frame. Turn on the second motor to drive the driving screw to rotate, and drive the working arm to reciprocate to the left in the main frame. After the paint in the silo is extracted by the pump body, the paint is evenly sprayed onto the surface of the plate through the atomizing nozzle, and then continues to be transported by the conveyor The conveyor belt discharges the plate out of the main frame. After being discharged, the plate is directly irradiated by the electric heating lamp at the bottom of the inclined rotating frame and begins to be dried. As the plate is continuously conveyed, the third motor is turned on to drive the rotating shaft to rotate, drive the first gear to rotate, and drive the second gear to rotate via the first synchronous belt, so that the connecting shaft inside the second gear and the rotating frame on one side rotate at a uniform speed, so that the electric heating lamp keeps irradiating the surface of the drying plate all the time. During the rotation of the rotating shaft, the third gear is also driven to rotate, and the fourth gear is driven by the second synchronous belt to drive the side shaft inside to rotate, so that the exhaust fan inside the connecting frame rotates synchronously. When the plate is gradually away from the electric heating lamp as it is conveyed, When the irradiation range is reached, due to the angle difference between the exhaust fan and the electric heating lamp, the device switches to a state where the exhaust fan blows on the surface of the dried and heated board. While the wind is performing secondary air drying on the board, it also accelerates the removal of the residual temperature on the surface of the board, restoring it to normal temperature. After the board is completely discharged, the third motor drives the shaft to rotate in the opposite direction, driving the electric heating lamp and the exhaust fan to reset and prepare for the next operation. By drying and air-drying, the drying speed of the surface coating of the board after spraying can be effectively increased, thereby greatly reducing the time consumed by natural air drying, thereby improving the efficiency of surface spraying of the ecological composite board.

[0019] 2. The present invention arranges a limit rod, the outer side of the limit rod is slidably connected to a side plate, the top of the limit rod is fixedly connected to a frame plate, the inner side of the frame plate is movably connected to a positioning screw through a U-shaped limit hole, and the outer side of the positioning screw is threadedly connected to the side plate. In the process of lifting the frame plate to a desired height through the U-shaped limit hole and tightening the positioning screw to fix the height position, the stability of the frame plate position can be effectively guaranteed and the swing amplitude caused by the force applied can be reduced.

[0020] 3. By providing a tensioning pulley in the present invention, one side of the tensioning pulley is rotatably connected to a frame plate, and the other side of the tensioning pulley is rotatably connected to a first synchronous belt, which can effectively ensure the tensioning effect of the first synchronous belt during long-term use, thereby maintaining the stability of transmission.

[0021] 4. By providing a gasket in the present invention, the inner side of the gasket is movably connected to a positioning screw, and the outer side of the positioning screw is threadedly connected to a side plate. The gasket is located on one side of the frame plate, which can effectively ensure the stability of the position of the positioning screw during long-term use and reduce its loosening amplitude. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is an axonometric structural schematic diagram of the present invention;

[0023] Figure 2 is Figure 1 an enlarged structural schematic diagram of part A in

[0024] Figure 3 a disassembled structural schematic diagram of the present invention;

[0025] Figure 4 is an axonometric structural schematic diagram of the quick-drying mechanism of the present invention;

[0026] Figure 5 is Figure 4 an enlarged structural schematic diagram of part B in

[0027] Figure 6 a disassembled structural schematic diagram of the quick-drying mechanism of the present invention;

[0028] Figure 7 is an axonometric structural schematic diagram of the exhaust fan of the present invention;

[0029] Figure 8 is Figure 7 an enlarged structural schematic diagram of part C in

[0030] In the figure: body mechanism 1, chassis 101, side plate 102, roller 103, first motor 104, conveyor belt 105, main frame 106, inner plate 107, second motor 108, driving screw 109, working arm 110, silo 111, conduit 112, pump body 113, branch pipe 114, atomizing nozzle 115, sliding rod 116, quick-drying mechanism 2, positioning screw 201, limiting hole 202, shelf plate 203, third motor 204, rotating shaft 205, first gear 206, first synchronous belt 207, second gear 208, connecting shaft 209, rotating frame 210, electric baking lamp 211, third gear 212, second synchronous belt 213, fourth gear 214, side shaft 215, sleeve frame 216, adapter frame 217, connecting frame 218, exhaust fan 219, base plate 220, top frame 221, inner plate 222, tensioning wheel 3, cavity column 4, supporting ring 5, footrest 6, gasket 7, limiting rod 8. Detailed implementation mode

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1-8

[0033] Embodiment 1

[0034] An ecological composite board surface spraying device includes a body mechanism 1 and a quick-drying mechanism 2

[0035] The body mechanism 1 includes a driving screw 109 fixedly connected to the output end of the second motor 108. The outer side of the driving screw 109 is threadedly connected with a working arm 110. The inner side of the working arm 110 is slidably connected with a plurality of sliding rods 116. Both ends of the sliding rod 116 are fixedly connected with a main frame 106. One side of the bottom of the working arm 110 is fixedly connected with a silo 111. The outer side of the branch pipe 114 is fixedly connected with a pump body 113 through a conduit 112. The output end of the pump body 113 is fixedly connected with a branch pipe 114. A plurality of atomizing nozzles 115 are symmetrically arranged at the bottom of the branch pipe 114. The surface of the board is covered with a coating by the reciprocating movement and spraying of the atomizing nozzles 115.

[0036] The quick-drying mechanism 2 includes a rotating shaft 205. On the outer sides of both ends of the rotating shaft 205, a first gear 206 is fixedly connected. The outer side of the first gear 206 is drivingly connected to a first synchronous belt 207. The inner side of the first synchronous belt 207 is drivingly connected to a second gear 208. The inner side of the second gear 208 is fixedly connected to a connecting shaft 209. On one side of the connecting shaft 209, a rotating frame 210 is fixedly connected. At the bottom of the rotating frame 210, an electric baking lamp 211 is fixedly connected. On the outer side of one end of the rotating shaft 205, a third gear 212 is fixedly connected. The outer side of the third gear 212 is drivingly connected to a second synchronous belt 213. The inner side of the second synchronous belt 213 is drivingly connected to a fourth gear 214. One end of the fourth gear 214 is fixedly connected to a connecting frame 218. Inside the connecting frame 218, exhaust fans 219 are symmetrically arranged. By driving the electric baking lamp 211 and the exhaust fans 219 to always face the plate for drying and air-drying and cooling, the stable speed of the coating on the surface of the plate is accelerated;

[0037] Specific implementation process: Turn on the first motor 104 to drive the roller 103 to rotate uniformly inside the side plate 102, drive the conveyor belt 105 to transport the ecological composite board on its top to the inside of the main frame 106. Turn on the second motor 108 to drive the driving screw 109 to rotate, and drive the working arm 110 to reciprocate left and right inside the main frame 106. After the pump body 113 extracts the paint in the material bin 111, the paint is evenly sprayed onto the surface of the plate through the atomizing nozzle 115. Then, the conveyor belt 105 continues to discharge the plate from the inside of the main frame 106. The discharged plate is directly irradiated by the electric baking lamp 211 at the bottom of the inclined rotating frame 210 and starts to be dried. As the plate continues to be transported, turn on the third motor 204 to drive the rotating shaft 205 to rotate, drive the first gear 206 to rotate and drive the second gear 208 to rotate through the first synchronous belt 207, so that the connecting shaft 209 inside the second gear 208 and the rotating frame 210 on one side of it rotate uniformly, and keep the electric baking lamp 211 in a state of always irradiating and drying the surface of the plate. During the rotation of the rotating shaft 205, it also drives the third gear 212 to rotate, and drives the fourth gear 214 through the second synchronous belt 213 to drive the side shaft 215 inside it to rotate, so that the exhaust fans 219 inside the connecting frame 218 rotate synchronously. When the plate gradually moves away from the irradiation range of the electric baking lamp 211 during transportation, due to the angle difference between the exhaust fans 219 and the electric baking lamp 211, the device switches to a state where the exhaust fans 219 blow the surface of the dried and heated plate. While the wind force performs secondary air-drying on the plate, it also accelerates the removal of the residual temperature on the surface of the plate, making it return to the normal temperature state. After the plate is completely discharged, the third motor 204 drives the rotating shaft 205 to rotate in the reverse direction, driving the electric baking lamp 211 and the exhaust fans 219 to reset and prepare for the next operation. It can effectively increase the drying speed of the surface coating of the plate after the spraying operation through drying and air-drying methods, thereby greatly reducing the time required for natural air-drying, and thus improving the operation efficiency of spraying on the surface of the ecological composite board.

[0038] Example Two

[0039] Based on Example One:

[0040] On one side of the second motor 108, a main frame 106 is fixedly connected. On the inner side of the main frame 106, inner plates 107 are symmetrically arranged. At the bottom of the main frame 106, a side plate 102 is fixedly connected. Inside the side plate 102, a number of rollers 103 are rotatably connected. One end of one of the rollers 103 is fixedly connected to a first motor 104. On one side of the first motor 104, a side plate 102 is fixedly connected. The outer side of the roller 103 is drivingly connected to a conveyor belt 105. At the bottom of the side plate 102, a chassis 101 is fixedly connected. By turning on the first motor 104, the roller 103 can be driven to rotate uniformly inside the side plate 102, driving the conveyor belt 105 to convey the ecological composite board on its top.

[0041] On the outer sides of both ends of the rotating shaft 205, frame plates 203 are rotatably connected. At the top of one side of the frame plate 203, a third motor 204 is fixedly connected. The output end of the third motor 204 is fixedly connected to the rotating shaft 205. At one side of the bottom of the frame plate 203, a positioning screw 201 is movably connected through symmetrically arranged limiting holes 202. The outer side of the positioning screw 201 is threadedly connected to the side plate 102. Between adjacent frame plates 203, a base plate 220 is fixedly connected. At the top of the base plate 220, a top frame 221 is fixedly connected. Inside the top frame 221, an inner plate 222 is fixedly connected. On the outer sides of the side shafts 215, a sleeve frame 216 and a transfer frame 217 are respectively rotatably connected. A number of sleeve frames 216 and transfer frames 217 are symmetrically arranged. On one side of each of the sleeve frame 216 and the transfer frame 217, a top frame 221 is fixedly connected. By driving the rotation of the rotating shaft 205 inside the frame plate 203 by the third motor 204, the rotation frame 210 and the exhaust fan 219 can be driven to adjust the angle, ensuring the drying and air-drying efficiency of the electric baking lamp 211 and the exhaust fan 219 on the surface of the board.

[0042] On one side of the frame plate 203, a tension pulley 3 is rotatably connected. A number of tension pulleys 3 are symmetrically arranged. On one side of each of the tension pulleys 3, a first synchronous belt 207 is rotatably connected, which can effectively ensure the tensioning effect of the first synchronous belt 207 during long-term use, thereby maintaining the stability of the transmission.

[0043] On one side of the frame plate 203, a cavity column 4 is fixedly connected. Inside the cavity column 4, a connecting shaft 209 is rotatably connected. On the outer side of one end of the connecting shaft 209, a frame plate 203 is rotatably connected, which can effectively ensure the stability of the position of the connecting shaft 209 during rotation.

[0044] On the outer side of the rotating shaft 205, a support ring 5 is rotatably connected. A number of support rings 5 are symmetrically arranged. At the bottom of the support ring 5, a base plate 220 is fixedly connected, which can effectively reduce the swing amplitude generated by the rotating shaft 205 during rotation and ensure the stability of rotation.

[0045] Embodiment III

[0046] Based on Embodiment I:

[0047] One side of the shelf board 203 is fixedly connected with a footrest 6. A number of footrests 6 are symmetrically arranged. The footrest 6 is of a triangular structure, which can effectively improve the stability of the structure of the shelf board 203 and reduce the shaking amplitude generated at its top.

[0048] A gasket 7 is movably connected to the outer side of one end of the positioning screw 201. The gasket 7 is located on one side of the shelf board 203, which can effectively ensure the stability of the position of the positioning screw 201 during long-term use and reduce its loosening amplitude.

[0049] The bottom of the shelf board 203 is fixedly connected with a limiting rod 8. A number of limiting rods 8 are symmetrically arranged. The outer side of the limiting rod 8 is slidably connected with a side plate 102. During the process of lifting the shelf board 203 to the required height through the U-shaped limiting hole 202 and tightening and fixing the positioning screw 201 to fix the height position, the stability of the position of the shelf board 203 can be effectively ensured, and the swinging amplitude generated after it is stressed can be reduced.

[0050] Both the inner plate 107 and the inner plate 222 are made of transparent acrylic material. The main frame 106 is fixedly connected to the outer side of the inner plate 107, and the top frame 221 is fixedly connected to the outer side of the inner plate 222, which can effectively facilitate personnel to observe the operation status of the atomizing nozzle 115 and the rotating shaft 205 and make adjustments in time.

[0051] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0052] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ecological composite board surface spraying device, characterized in that: It comprises a main body mechanism (1) and a quick-drying mechanism (2) The main body mechanism (1) comprises a driving screw (109) fixedly connected to the output end of the second motor (108); the driving screw (109) is threadedly connected to an operating arm (110) on the outside; a plurality of sliding rods (116) are slidably connected to the inside of the operating arm (110); both ends of the sliding rods (116) are fixedly connected to the main frame (106); a silo (111) is fixedly connected to one side of the bottom of the operating arm (110); the outside of the branch pipe (114) is fixedly connected to a pump body (113) via a conduit (112); the output end of the pump body (113) is fixedly connected to the branch pipe (114); a plurality of atomizing nozzles (115) are symmetrically arranged at the bottom of the branch pipe (114); and the surface of the plate is coated by the atomizing nozzles (115) through reciprocating motion and spraying. The quick-drying mechanism (2) comprises a rotating shaft (205), the outer sides of both ends of the rotating shaft (205) are fixedly connected with first gears (206), the outer side of the first gear (206) is transmission-connected with a first synchronous belt (207), the inner side of the first synchronous belt (207) is transmission-connected with a second gear (208), the inner side of the second gear (208) is fixedly connected with a connecting shaft (209), one side of the connecting shaft (209) is fixedly connected with a rotating frame (210), the bottom of the rotating frame (210) is fixedly connected with an electric heating lamp (211), and the rotating shaft (205) is fixedly connected with a rotating frame (210). 05) A third gear (212) is fixedly connected to the outer side of one end, a second synchronous belt (213) is transmission-connected to the outer side of the third gear (212), a fourth gear (214) is transmission-connected to the inner side of the second synchronous belt (213), one end of the fourth gear (214) is fixedly connected to a connecting frame (218), an exhaust fan (219) is symmetrically arranged on the inner side of the connecting frame (218), and the electric heating lamp (211) and the exhaust fan (219) are always driven towards the plate to dry and air-dry and cool it down, thereby accelerating the stable speed of the coating on the surface of the plate.

2. The surface spraying device for an ecological composite board according to claim 1, wherein: One side of the second motor (108) is fixedly connected to a main frame (106), an inner plate (107) is symmetrically arranged inside the main frame (106), a side plate (102) is fixedly connected to the bottom of the main frame (106), a plurality of rollers (103) are rotatably connected to the inner side of the side plate (102), one end of one of the rollers (103) is fixedly connected to the first motor (104), one side of the first motor (104) is fixedly connected to the side plate (102), the outer side of the roller (103) is drivingly connected to a conveyor belt (105), and the bottom of the side plate (102) is fixedly connected to a base frame (101).

3. The surface spraying device for an ecological composite board according to claim 1, characterized in that: On the outer sides of both ends of the rotating shaft (205), there are rotatably connected mounting plates (203). On the top of one side of the mounting plate (203), a third motor (204) is fixedly connected. The output end of the third motor (204) is fixedly connected to a rotating shaft (205). On one side of the bottom of the mounting plate (203), a positioning screw rod (201) is movably connected through symmetrically arranged limiting holes (202). The outer side of the positioning screw rod (201) is threadedly connected to a side plate (102). Between adjacent mounting plates (203), a base plate (220) is fixedly connected. On the top of the base plate (220), a top frame (221) is fixedly connected. Inside the top frame (221), an inner plate (222) is fixedly connected. On the outer sides of the side shafts (215), a sleeve frame (216) and a transfer frame (217) are respectively rotatably connected. A number of sleeve frames (216) and transfer frames (217) are symmetrically arranged. On one side of each of the sleeve frame (216) and the transfer frame (217), a top frame (221) is fixedly connected.

4. An ecological composite board surface spraying device according to claim 1, characterized in that: On one side of the mounting plate (203), a tension pulley (3) is rotatably connected. A number of tension pulleys (3) are symmetrically arranged. On one side of each tension pulley (3), a first synchronous belt (207) is rotatably connected.

5. The surface spraying device for an ecological composite board according to claim 1, wherein: On one side of the mounting plate (203), a cavity column (4) is fixedly connected. Inside the cavity column (4), a connecting shaft (209) is rotatably connected. One end of the connecting shaft (209) is rotatably connected to the mounting plate (203).

6. The surface spraying device for an ecological composite board according to claim 1, wherein: On the outer side of the rotating shaft (205), a support ring (5) is rotatably connected. A number of support rings (5) are symmetrically arranged. The bottom of the support ring (5) is fixedly connected to the base plate (220).

7. The surface spraying device for an ecological composite board according to claim 1, characterized in that: On one side of the mounting plate (203), a footrest (6) is fixedly connected. A number of footrests (6) are symmetrically arranged. The footrest (6) has a triangular structure.

8. The surface spraying device for an ecological composite board according to claim 1, wherein: On the outer side of one end of the positioning screw rod (201), a gasket (7) is movably connected. The gasket (7) is located on one side of the mounting plate (203).

9. An ecological composite board surface spraying device according to claim 2 and claim 3, characterized in that: On the bottom of the mounting plate (203), a limiting rod (8) is fixedly connected. A number of limiting rods (8) are symmetrically arranged. The outer side of the limiting rod (8) is slidably connected to the side plate (102).

10. The surface spraying device for an ecological composite board according to claim 2 and claim 3, characterized in that: Both the inner plate (107) and the inner plate (222) are made of transparent acrylic material. On the outer side of the inner plate (107), a main frame body (106) is fixedly connected. On the outer side of the inner plate (222), a top frame (221) is fixedly connected.

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