A spraying device for paper production

Abstract

The utility model discloses a paper production is with spraying device belongs to paper production technical field, and its technical scheme main points include support station, the top welding of support station has limited position mechanism, the bottom welding of support station has the spraying mechanism, and the sliding slot of placing board top, the cooperation of limiting rod and sliding block of limited position mechanism can be according to the flexible adjustment fixed rod position of paper width, realizes the transverse limiting of different width paper, effectively avoids the transverse deviation of paper in transmission or spraying process, ensures that spraying area and paper effective area correspond, reduces the phenomenon such as leak spraying or spraying overflow, and the reset spring of fixed rod surface and the combination of pressboard, can utilize the spring elasticity to form the stable and soft pressure to paper, can both constrain the wrinkle, the edge such as warping of paper and longitudinal fluctuation produced because of insufficient stiffness of itself, and can also adapt to the limiting demand of different thickness such as thin toilet paper or thick wrapping paper.

Description

Technical Field

[0001] This utility model relates to the field of paper production technology, and in particular to a spray device for paper production. Background Technology

[0002] In the paper production process, spray devices for paper production are a type of specialized equipment used to spray liquids such as water, additives, coatings, etc. onto the surface or interior of paper. Their core function is to optimize paper performance, adjust production process parameters, or achieve specific functional processing. They are one of the key auxiliary equipment in paper manufacturing, especially in post-processing, wet end, or dry end treatment.

[0003] To address the aforementioned issues, existing patents have provided solutions. However, existing spraying devices for paper production lack a structure to limit the paper's position, causing thin or recycled paper to easily wrinkle or curl at the edges due to insufficient rigidity. Without a limiting structure, the spraying path of the spraying device does not conform to the actual surface of the paper, and the droplets cannot adhere effectively, thus creating a spray blind zone.

[0004] Therefore, a spray device for paper production is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a spraying device for paper production, which can solve the problem that existing paper production lacks a structure to limit the paper, causing thin paper or recycled paper to easily wrinkle or curl at the edges due to insufficient rigidity. When there is no limiting structure, the spraying path of the spraying device does not fit the actual surface of the paper, and the droplets cannot effectively adhere, thus forming a spraying blind zone.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a spraying device for paper production, comprising a support platform, a limiting mechanism welded to the top of the support platform, a spraying mechanism welded to the bottom of the support platform, limiting plates welded to both sides of the top of the support platform, a sliding rod welded to the inner side of the front limiting plate, a lead screw rotatably connected to the inner side of the rear limiting plate, a connecting shaft connected to the left side of the lead screw via a flat key, a servo motor mounted on the left side of the rear limiting plate, the output end of the servo motor passing through the limiting plate and fixedly connected to the left side of the connecting shaft, a threaded block threaded to the surface of the lead screw, a sliding block slidably connected to the surface of the sliding rod, a connecting rod welded to the top of the threaded block and the sliding block, a water storage plate welded to the opposite side of the connecting rod, the limiting mechanism comprising a placement plate, a sliding groove, a limiting rod, a sliding block, a fixing rod, a return spring, a pressure plate, and several return water holes, the placement plate being welded to the top of the support platform.

[0007] Preferably, the chute is formed on both sides of the top of the placement plate, the limiting rod is welded to the inner side of the chute, the slider is slidably connected to both sides of the surface of the limiting rod, the fixing rod is welded to the top of the slider, the return spring is disposed on the surface of the fixing rod, the pressure plate is slidably connected to the surface of the fixing rod, the bottom of the return spring is fixedly connected to the top of the pressure plate, and the return water holes are respectively formed on the inner side of the placement plate, the inner side of the support platform, and the top of the spraying mechanism.

[0008] Preferably, the spraying mechanism includes a water tank, a stirring rod, a stepper motor, several nozzles, a connecting hose, a pressurizing pump, a connecting pipe, and a PLC controller, with the water tank welded to the bottom of the support platform.

[0009] Preferably, the stirring rod is rotatably connected to the inside of the water storage tank, the left side of the stirring rod is connected to a connecting shaft via a flat key, the stepper motor is installed on the left side of the water storage tank, the output end of the right side of the stepper motor passes through the water storage tank and is fixedly connected to the left side of the connecting shaft, the nozzle is installed at the bottom of the water storage plate, and the connecting hose is fixedly connected to the top of the water storage plate.

[0010] Preferably, the booster pump is installed on the rear surface of the water storage tank, the bottom of the rear side of the connecting hose is fixedly connected to the left side of the booster pump, the right side of the booster pump is penetrated by a pipe and fixedly connected to the inside of the water storage tank, the connecting pipe is fixedly connected to the top of the right side of the water storage tank, the surface of the connecting pipe is engraved with external threads, the PLC controller is installed on the front side of the water storage tank, and the return water holes are respectively opened on the inner side of the placement plate, the inner side of the support platform, and the top of the water storage tank.

[0011] Preferably, a sealing ring is welded at the connection between the connecting hose and the water storage plate, and the surface of the sealing ring is coated with an anti-corrosion coating.

[0012] Preferably, a lifting rod is welded to the top of the pressure plate, and the top of the lifting rod is engraved with anti-slip texture.

[0013] Preferably, a reinforcing ring is welded to the side of the connecting rod near the water storage plate, the threaded block, and the moving block, and the surface of the reinforcing ring is coated with an anti-corrosion coating.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. The limiting mechanism of this application, through the cooperation of the sliding groove, limiting rod and slider on the top of the placement plate, can flexibly adjust the position of the fixed rod according to the width of the paper, realize the lateral limiting of paper of different widths, effectively avoid the lateral deviation of the paper during transmission or spraying, ensure that the spraying area corresponds to the effective area of ​​the paper, reduce the phenomenon of missed spraying or spray overflow. The combination of the return spring and the pressure plate on the surface of the fixed rod can use the spring force to form a stable and gentle pressure on the paper, which can not only restrain the longitudinal fluctuations such as wrinkles and curling edges caused by the paper's own insufficient rigidity, but also adapt to the limiting requirements of different thicknesses such as thin toilet paper or thick packaging paper, avoiding rigid contact that could damage the paper. The return water holes opened on the top of the placement plate, support platform and water tank can promptly recover excess liquid, such as water or additives, that is not absorbed by the paper during the spraying process to the water tank, realize the recycling of liquid, reduce raw material waste and reduce production costs. 2. The spray mechanism of this application forms a uniform spray coverage area through multiple nozzles installed at the bottom of the water storage plate. Combined with the servo motor driving the lead screw to rotate, the water storage plate moves smoothly along the slide bar, achieving comprehensive and uniform spraying of the paper surface. This effectively ensures the consistency of processes such as paper moisture adjustment and additive application, improving product quality stability. The stirring rod inside the water tank rotates continuously under the drive of a stepper motor, fully stirring the liquid inside the tank, such as additive solutions or mixed coatings, preventing the precipitation or stratification of effective components in the liquid, ensuring uniform spray liquid concentration, and avoiding local performance differences in paper due to uneven composition. The pressure pump can adjust the liquid delivery pressure according to production needs, ensuring that the droplet size and spray force of the nozzles meet process standards. Simultaneously, the flexible design of the connecting hose does not affect the movement of the water storage plate, ensuring the continuity and stability of the spraying process. The PLC controller can integrate and control the operating parameters of the servo motor, stepper motor, pressure pump, and other equipment, realizing automated adjustment of the spraying process, reducing manual intervention, and improving production efficiency. Attached Figure Description

[0015] Figure 1 This is an overall structural diagram of the spray device for paper production according to this utility model; Figure 2 This is a schematic diagram of the structure of the placement plate of this utility model; Figure 3 This utility model Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the stepper motor of this utility model; Figure 5 This is a schematic diagram of the structure of the pressure pump of this utility model; Figure 6 This is a schematic diagram of the structure of the PLC controller of this utility model.

[0016] In the diagram, 1. Support platform; 2. Limiting mechanism; 21. Placement plate; 22. Slide groove; 23. Limiting rod; 24. Slider; 25. Fixing rod; 26. Return spring; 27. Pressing plate; 28. Water return hole; 3. Spraying mechanism; 31. Water storage tank; 32. Stirring rod; 33. Stepper motor; 34. Nozzle; 35. Connecting hose; 36. Pressure pump; 37. Connecting pipe; 38. PLC controller; 4. Limiting plate; 5. Slide rod; 6. Lead screw; 7. Servo motor; 8. Connecting rod; 9. Water storage plate; 10. Sealing ring; 11. Lifting rod; 12. Reinforcing ring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-6 The present invention provides the following technical solution: A spraying device for paper production includes a support platform 1. A limiting mechanism 2 is welded to the top of the support platform 1, and a spraying mechanism 3 is welded to the bottom of the support platform 1. Limiting plates 4 are welded to both sides of the top of the support platform 1. A sliding rod 5 is welded to the inner side of the front limiting plate 4, and a lead screw 6 is rotatably connected to the inner side of the rear limiting plate 4. A connecting shaft is connected to the left side of the lead screw 6 via a flat key. A servo motor 7 is installed on the left side of the rear limiting plate 4. The output end of the servo motor 7 passes through the limiting plate 4 and is fixedly connected to the left side of the connecting shaft. A threaded block is threadedly connected to the surface of the lead screw 6, and a moving block is slidably connected to the surface of the sliding rod 5. A connecting rod 8 is welded to the top of the threaded block and the moving block. A water storage plate 9 is welded to the opposite side of the connecting rod 8. The limiting mechanism 2 includes a placement plate 21, a sliding groove 22, a limiting rod 23, a sliding block 24, a fixing rod 25, a return spring 26, a pressure plate 27, and several return water holes 28. The placement plate 21 is welded to the top of the support platform 1.

[0019] In this embodiment: A support platform 1 provides a stable mounting base for components such as the limiting mechanism 2, spraying mechanism 3, and limiting plate 4. The limiting plate 4 provides a stable mounting carrier for the sliding rod 5 and lead screw 6. Symmetrical arrangement on both sides forms lateral constraints on the movement path of the water storage plate 9, ensuring smooth movement of the water storage plate 9 along a preset direction. The sliding rod 5 provides sliding guidance for the moving block. The lead screw 6, through surface thread engagement with a threaded block, converts the rotational motion of the servo motor 7 into the linear motion of the water storage plate 9. The servo motor 7 provides power for the rotation of the lead screw 6, and its output speed and direction can be adjusted by the PLC controller 38 to achieve stepless speed regulation of the water storage plate 9's movement speed, which can be adjusted according to the paper transmission... The conveying speed or spraying process requirements can be flexibly adjusted to ensure that the spray volume matches the paper processing needs. The connecting rod 8 connects the threaded block, the moving block, and the water storage plate 9, transmitting the power and guidance of the lead screw 6 and the slide bar 5 to the water storage plate 9, realizing the synchronous movement of the water storage plate 9. The water storage plate 9 serves as the mounting carrier for the nozzles 34, forming a liquid temporary storage space inside to ensure uniform liquid supply from multiple nozzles 34. It is fixedly connected to the connecting rod 8 and moves synchronously with the moving component to achieve continuous coverage spraying of the paper surface. The placement plate 21 provides a flat and stable placement surface for the paper, avoiding local bulges or depressions caused by uneven support surfaces, and ensuring a uniform distance between the paper surface and the nozzles 34 during spraying. The groove 22 provides installation space for the limiting rod 23 and a moving track for the slider 24. The limiting rod 23 guides and constrains the movement of the slider 24, preventing it from dislodging from the groove 22 or rotating during movement. The slider 24 can slide freely along the limiting rod 23, allowing for lateral position adjustment of the fixing rod 25 to accommodate the limiting requirements of different paper widths. The fixing rod 25 provides installation support for the return spring 26 and the pressure plate 27. The return spring 26 generates downward pressure through its own elastic deformation, causing the pressure plate 27 to fit tightly against the paper surface, constraining paper curling or wrinkling. At the same time, the elastic pressure can be adaptively adjusted according to the paper thickness to avoid rigid pressing that could damage the paper. To accommodate the limiting requirements of various paper thicknesses, the rear side of the left pressure plate 27 is slidably connected to the surface of the left rear fixing rod 25, and the front side of the left pressure plate 27 is slidably connected to the surface of the left front fixing rod 25. The rear side of the right pressure plate 27 is slidably connected to the surface of the right rear fixing rod 25, and the front side of the right pressure plate 27 is slidably connected to the surface of the right front fixing rod 25. The paper is tightly pressed by the pressure of the return spring 26 to prevent the paper from shifting due to airflow and transmission force during spraying. The return water hole 28 forms a liquid recovery channel, which can quickly guide the excess liquid that is not absorbed by the paper during spraying to the water storage tank 31 of the spraying mechanism 3 to achieve liquid recycling.

[0020] Specifically, such as Figure 2 , Figure 3As shown, the slide groove 22 is opened on both sides of the top of the placement plate 21, the limiting rod 23 is welded to the inner side of the slide groove 22, the slider 24 is slidably connected to both sides of the surface of the limiting rod 23, the fixing rod 25 is welded to the top of the slider 24, the return spring 26 is set on the surface of the fixing rod 25, the pressure plate 27 is slidably connected to the surface of the fixing rod 25, the bottom of the return spring 26 is fixedly connected to the top of the pressure plate 27, and the return water holes 28 are respectively opened on the inner side of the placement plate 21, the inner side of the support platform 1, and the top of the spray mechanism 3.

[0021] Specifically, such as Figure 4 , Figure 5 , Figure 6 As shown, the spraying mechanism 3 includes a water tank 31, a stirring rod 32, a stepper motor 33, several nozzles 34, a connecting hose 35, a pressurizing pump 36, a connecting pipe 37, and a PLC controller 38. The water tank 31 is welded to the bottom of the support platform 1.

[0022] Specifically, such as Figure 4 , Figure 5 , Figure 6 As shown, the stirring rod 32 is rotatably connected to the inside of the water storage tank 31. The left side of the stirring rod 32 is connected to the connecting shaft via a flat key. The stepper motor 33 is installed on the left side of the water storage tank 31. The output end of the stepper motor 33 on the right side passes through the water storage tank 31 and is fixedly connected to the left side of the connecting shaft. The nozzle 34 is installed at the bottom of the water storage plate 9, and the connecting hose 35 is fixedly connected to the top of the water storage plate 9.

[0023] In this embodiment: the water storage tank 31 serves a dual function of liquid storage and recycling. On the one hand, it provides sufficient storage space for the water, additives, and other liquids required for spraying, avoiding frequent replenishment that could affect production continuity and ensuring stable operation of the production line. On the other hand, its top connects to the return water hole 28, allowing for the recycling of excess liquid not absorbed by the paper during spraying, thus achieving resource recycling. The stirring rod 32, through its own rotation, can thoroughly stir the liquid in the water storage tank 31, such as mixtures containing additives, preventing the effective components in the liquid from settling or separating due to static conditions, ensuring consistent concentration of the sprayed liquid. The stepper motor 33 provides power to the stirring rod 32, and its output speed can be adjusted by the PLC controller 38. Multiple nozzles 34, evenly distributed, can form a wide spray coverage area, ensuring that the paper surface is fully covered by the liquid and avoiding missed spraying. The connecting hose 35 serves a dual function of liquid transportation and adaptive movement, acting as a flexible transport channel. The high-pressure liquid output from the pressurizing pump 36 can be stably delivered to the water storage plate 9, ensuring continuous liquid supply. On the other hand, due to its flexibility, it can freely expand, contract, and bend with the lateral movement of the water storage plate 9, avoiding pipe breakage caused by the movement of the water storage plate 9. At the same time, it does not restrict the movement range of the water storage plate 9, ensuring that the spray covers the entire paper. The pressurizing pump 36 can convert the liquid in the water storage tank 31 into a high-pressure fluid by pressurizing itself, meeting the pressure conditions required for spraying by the nozzle 34. The connecting pipe 37 is the liquid replenishment interface of the water storage tank 31. The external thread design facilitates quick and tight connection with external liquid replenishment pipes, such as water pipes and auxiliary agent delivery pipes. It is convenient to install and disassemble, which can reduce the time loss in the liquid replenishment process and ensure production continuity. The PLC controller 38 can integrate and control the stirring speed of the stepper motor 33 and the output pressure of the pressurizing pump 36. It can also link the servo motor 7 to adjust the moving speed of the water storage plate 9, realizing the automated control of the entire spraying process and reducing manual intervention.

[0024] Specifically, such as Figure 4 , Figure 5 , Figure 6 As shown, the booster pump 36 is installed on the rear surface of the water storage tank 31. The bottom of the rear side of the connecting hose 35 is fixedly connected to the left side of the booster pump 36. The right side of the booster pump 36 is connected to the inside of the water storage tank 31 through a pipe. The connecting pipe 37 is fixedly connected to the top of the right side of the water storage tank 31. The surface of the connecting pipe 37 is engraved with external threads. The PLC controller 38 is installed on the front side of the water storage tank 31. The return water holes 28 are respectively opened on the inside of the placement plate 21, the inside of the support platform 1, and the top of the water storage tank 31.

[0025] Specifically, such as Figure 6 As shown, a sealing ring 10 is welded at the connection between the connecting hose 35 and the water storage plate 9, and the surface of the sealing ring 10 is coated with an anti-corrosion coating.

[0026] In this embodiment: by setting a sealing ring 10, the sealing performance is enhanced by welding to prevent liquid leakage during high-pressure transmission, and by setting an anti-corrosion coating, the liquid erosion is resisted and the service life of the sealing structure is extended.

[0027] Specifically, such as Figure 6 As shown, a lifting rod 11 is welded to the top of the pressure plate 27, and the top of the lifting rod 11 is engraved with anti-slip texture.

[0028] Specifically, such as Figure 6 As shown, the connecting rod 8 is welded with a reinforcing ring 12 on one side near the water storage plate 9, the threaded block and the moving block. The surface of the reinforcing ring 12 is coated with an anti-corrosion coating.

[0029] In this embodiment: by setting up the lifting rod 11, a convenient gripping point is provided for the operator, making it easy to quickly lift the pressure plate 27 to place or remove paper. By setting up anti-slip texture, the friction of the hand is increased, improving the safety and convenience of operation and increasing the paper changing efficiency. By setting up the reinforcing ring 12, the structural strength of the connection node is enhanced, resisting the vibration and impact during the spraying process and preventing the connection part from deforming or breaking due to long-term stress. By setting up anti-corrosion coating, the weather resistance is improved and the service life of the equipment is extended.

[0030] Working principle: First, the operator connects the external replenishment pipe, such as a water pipe or auxiliary agent delivery pipe, to the water storage tank 31 via the threaded connecting pipe 37 on the top right side of the water storage tank 31, injecting the required liquid water or auxiliary agent solution into the water storage tank 31. Then, the operator starts the PLC controller 38 and adjusts the stirring speed of the stepper motor 33, the output pressure of the pressure pump 36, and the rotation parameters of the servo motor 7 through its preset program or manual parameter settings. Next, the operator holds the lifting rod 11 and pulls the pressing plate 27 upwards, causing it to slide along the fixed rod 25. At this time, the return spring 26 is compressed. The operator then places the paper to be processed flat on the placement plate 21 and releases the lifting rod 11. The return spring 26 releases its elastic force to push the pressure plate 27 downward, pressing it tightly against the paper surface to achieve longitudinal limiting of the paper. If the paper width is different, the slider 24 at the bottom of the fixing rod 25 can be pushed to slide along the limiting rod 23 in the sliding groove 22 on both sides of the placement plate 21 to adjust the lateral spacing of the fixing rods 25 and the pressure plate 27 until it matches the paper width, thus completing the lateral limiting of the paper. Then, the operator starts the stepper motor 33 through the PLC controller 38. The output end of the stepper motor 33 on the right side drives the stirring rod 32 connected to the rotating shaft and the water tank 31 to rotate. The stirring rod 32 fully stirs the liquid in the water tank 31. When the stirring is completed, the PLC controller 38 then... 8. The pressurizing pump 36 is started. The pressurizing pump 36 draws liquid from the water storage tank 31 through the right-side pipe. After pressurization, the high-pressure liquid is delivered to the water storage plate 9 through the left-side connecting hose 35. Then, the PLC controller 38 starts the servo motor 7. The right-side output end of the servo motor 7 drives the lead screw 6 connected to the rotating shaft and the inner side of the rear limit plate 4 to rotate. The threaded block on the surface of the lead screw 6 moves laterally along the lead screw 6. At the same time, the moving block on the surface of the front slide bar 5 slides synchronously with the threaded block. The threaded block and the moving block drive the water storage plate 9 to move laterally through the top connecting rod 8. During the movement of the water storage plate 9, the nozzle 34 at the bottom sprays the high-pressure liquid in the form of uniform droplets onto the paper surface that is fixed below. Nozzle 34 forms a wide spray coverage area, which, combined with the lateral movement of water storage plate 9, achieves comprehensive and uniform spraying of the paper surface, meeting the process requirements of paper conditioning, sizing, etc. Moreover, the speed of servo motor 7 can be flexibly adjusted by PLC controller 38 according to the paper conveying speed to ensure that the spray volume matches the paper processing requirements. Finally, the excess liquid that is not absorbed by the paper during the spraying process flows into the top of water storage tank 31 through the return water hole 28 on the inner side of placement plate 21 and support platform 1. After the spraying operation is completed, the operator turns off servo motor 7, pressure pump 36 and stepper motor 33 in sequence through PLC controller 38, and the operator can pull lifting rod 11 again to take out the processed paper.

[0031] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spraying device for paper production, comprising a support platform (1), characterized in that: A limiting mechanism (2) is welded to the top of the support platform (1), and a spraying mechanism (3) is welded to the bottom of the support platform (1). Limiting plates (4) are welded to both sides of the top of the support platform (1). A sliding rod (5) is welded to the inner side of the front limiting plate (4), and a lead screw (6) is rotatably connected to the inner side of the rear limiting plate (4). A connecting shaft is connected to the left side of the lead screw (6) via a flat key. A servo motor (7) is installed on the left side of the rear limiting plate (4). The output end of the servo motor (7) on the right side passes through the limiting plate (4) and is fixedly connected to the connecting shaft. On the left side of the rotating shaft, the surface of the lead screw (6) is threaded with a threaded block, the surface of the slide rod (5) is slidably connected with a moving block, the top of the threaded block and the moving block are welded with a connecting rod (8), and a water storage plate (9) is welded to the opposite side of the connecting rod (8). The limiting mechanism (2) includes a placement plate (21), a slide groove (22), a limiting rod (23), a slider (24), a fixing rod (25), a reset spring (26), a pressure plate (27), and several return water holes (28). The placement plate (21) is welded to the top of the support platform (1).

2. The spraying device for paper production according to claim 1, characterized in that: The chute (22) is opened on both sides of the top of the placement plate (21). The limiting rod (23) is welded to the inner side of the chute (22). The slider (24) is slidably connected to both sides of the surface of the limiting rod (23). The fixing rod (25) is welded to the top of the slider (24). The return spring (26) is set on the surface of the fixing rod (25). The pressure plate (27) is slidably connected to the surface of the fixing rod (25). The bottom of the return spring (26) is fixedly connected to the top of the pressure plate (27). The return water holes (28) are respectively opened on the inner side of the placement plate (21), the inner side of the support platform (1), and the top of the spray mechanism (3).

3. The spraying device for paper production according to claim 1, characterized in that: The spraying mechanism (3) includes a water tank (31), a stirring rod (32), a stepper motor (33), several nozzles (34), a connecting hose (35), a pressurizing pump (36), a connecting pipe (37), and a PLC controller (38). The water tank (31) is welded to the bottom of the support platform (1).

4. A spray device for paper production according to claim 3, characterized in that: The stirring rod (32) is rotatably connected to the inside of the water storage tank (31). The left side of the stirring rod (32) is connected to a connecting shaft via a flat key. The stepper motor (33) is installed on the left side of the water storage tank (31). The output end of the stepper motor (33) on the right side passes through the water storage tank (31) and is fixedly connected to the left side of the connecting shaft. The nozzle (34) is installed at the bottom of the water storage plate (9). The connecting hose (35) is fixedly connected to the top of the water storage plate (9).

5. A spray device for paper production according to claim 3, characterized in that: The booster pump (36) is installed on the rear surface of the water tank (31). The bottom of the rear side of the connecting hose (35) is fixedly connected to the left side of the booster pump (36). The right side of the booster pump (36) is connected to the inside of the water tank (31) through a pipe. The connecting pipe (37) is fixedly connected to the top right side of the water tank (31). The surface of the connecting pipe (37) is engraved with external threads. The PLC controller (38) is installed on the front side of the water tank (31). The return water holes (28) are respectively opened on the inside of the placement plate (21), the inside of the support platform (1), and the top of the water tank (31).

6. A spraying device for paper production according to claim 3, characterized in that: A sealing ring (10) is welded at the connection between the connecting hose (35) and the water storage plate (9), and the surface of the sealing ring (10) is coated with an anti-corrosion coating.

7. A spray device for paper production according to claim 1, characterized in that: The top of the pressure plate (27) is welded with a lifting rod (11), and the top of the surface of the lifting rod (11) is engraved with anti-slip texture.

8. A spraying device for paper production according to claim 1, characterized in that: The connecting rod (8) is welded with a reinforcing ring (12) on one side near the water storage plate (9) and the threaded block and the moving block. The surface of the reinforcing ring (12) is coated with an anti-corrosion coating.

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