Spiral impeller spraying device

Abstract

The invention is suitable for the technical field of spiral impeller machining, and provides a spiral impeller spraying device which comprises a base plate, and a working box capable of containing a to-be-sprayed spiral impeller is fixedly installed on the base plate; the material barrel is arranged on the base plate and used for containing spraying paint, and a discharging opening of the material barrel is connected with a spraying gun through a material guiding pipe; the fixing frame is fixedly mounted in the working box through a bolt, and a first rotating rod is rotationally mounted on the fixing frame through a bearing; the assembling rod is fixed to the first rotating rod through a coupler, and the assembling rod is used for assembling a to-be-sprayed spiral impeller; the driving mechanism is arranged on the base plate and the assembling rod and is used for driving the assembling rod to rotate; and the limiting mechanism is arranged on the assembly rod and is used for limiting the to-be-sprayed spiral impeller arranged on the assembly rod in a sleeving manner. According to the spiral impeller spraying device provided by the scheme, the problems that in the existing spiral impeller spraying process, the operation difficulty is large, and the efficiency is low are solved.

Description

Technical Field

[0001] This invention belongs to the field of spiral impeller processing technology, and particularly relates to a spiral impeller spraying device. Background Technology

[0002] In modern industrial production, equipment such as fans, pumps, and compressors are widely used. As a core component, the impeller's performance and lifespan directly affect the equipment's operating efficiency and stability. Due to its unique structure and operating characteristics, the spiral impeller plays an irreplaceable role in special working conditions such as material conveying and fluid pressurization.

[0003] Currently, surface coating is a crucial step in the manufacturing of spiral impellers. Coating effectively improves the impeller's wear and corrosion resistance, significantly extending its service life and ensuring long-term stable operation. However, in actual coating operations, manual spraying with a handheld spray gun is often used, which has significant drawbacks. Because spiral impellers require coating a large area with numerous complex curved surfaces, operators need to frequently and cumbersomely adjust the coating surface during the coating process, resulting in high operational difficulty and extremely low efficiency. Summary of the Invention

[0004] This invention provides a spiral impeller spraying device, which aims to solve the problems of high operation difficulty and low efficiency in the spiral impeller spraying process mentioned in the background art.

[0005] To solve the above problems, the present invention provides a spiral impeller spraying device, comprising: a base plate on which a working box for accommodating a spiral impeller to be sprayed is fixedly mounted; a material bucket disposed on the base plate for holding spraying material, the outlet of the material bucket being connected to a spray gun via a guide pipe; a fixing frame fixedly mounted in the working box by bolts, a first rotating rod rotatably mounted on the fixing frame via bearings; an assembly rod fixed to the first rotating rod via a coupling, the assembly rod being used to assemble the spiral impeller to be sprayed; a drive mechanism disposed on the base plate and the assembly rod for driving the assembly rod to rotate; and a limiting mechanism disposed on the assembly rod for limiting the spiral impeller to be sprayed mounted thereon.

[0006] Preferably, the drive mechanism includes: a mounting housing fixedly mounted on the base plate, on which a motor and a speed regulator are disposed, the output shaft of the motor and the input shaft of the speed regulator being connected via a coupling; a first bevel gear fixedly mounted on the output shaft of the speed regulator; an assembly frame disposed within the mounting housing and adjustable laterally, on which a transmission rod is rotatably mounted via bearings; a second bevel gear fixedly mounted on both ends of the transmission rod, the second bevel gear and the first bevel gear being able to mesh and disengage with each other through lateral adjustment; and a third bevel gear and a fourth bevel gear fixedly mounted on the transmission rod and the first rotating rod respectively, the third bevel gear and the fourth bevel gear being able to mesh and disengage with each other through lateral adjustment.

[0007] Preferably, the limiting mechanism includes: a mounting bracket fixedly mounted on the assembly rod; a screw threaded onto the mounting bracket, with a knob fixedly mounted on the top end of the screw; and a pressure block fixedly mounted on the bottom end of the screw for limiting the spiral impeller.

[0008] Preferably, the base plate is provided with an air pump for spraying, and the air outlet of the air pump is connected to the material bucket through a telescopic pipe.

[0009] Preferably, the work box is connected to a door via a hinge, and the door is provided with a visual observation window and a handle lock.

[0010] Preferably, the top of the working box is provided with an exhaust port for exhausting air, and the exhaust port is provided with an air guide shell at the outlet end.

[0011] Preferably, one side of the working box is provided with an air diffuser shell for guiding the drying air, and the air outlet end of the air diffuser shell is fixedly installed with a diverter plate by bolts.

[0012] Preferably, a placement rack is fixedly installed on one side of the work box for placing the spray gun, and an electric telescopic rod is fixedly installed on the inner wall of the mounting shell, with the output rod of the electric telescopic rod being fixedly connected to the assembly frame.

[0013] Preferably, the mounting shell is provided with a detachable inspection plate, and mounting pieces are symmetrically fixedly mounted on the inspection plate. Bolts are provided on the mounting pieces, and the bolts are threadedly connected to the mounting shell.

[0014] Preferably, the bottom of the base plate is symmetrically fixedly equipped with support legs, and the bottom end of the support legs is fixedly equipped with an anti-slip plate.

[0015] Compared with related technologies, the spiral impeller spraying device provided by the present invention has the following beneficial effects: Compared with existing technologies, the spiral impeller spraying device provided in this solution utilizes a limiting mechanism composed of a fixed frame, a first rotating rod, an assembly rod, a screw, and a pressure block to stably fix and rotate the spiral impeller. Operators no longer need to frequently adjust the spraying surface, greatly reducing operational difficulty, improving spraying efficiency, and ensuring long-term stable operation of the equipment. Precise power control: The combination of a motor and speed regulator, along with the assembly frame and electric telescopic rod, controls the first and second bevel gears, allowing for flexible speed adjustment and precise control of the power transmission path, reducing energy consumption and equipment wear, facilitating operation, and improving work efficiency. Stable material supply and high-quality spraying: The air pump and telescopic pipe work together to ensure stable material supply and guarantee high-quality spraying. The coating is sprayed evenly, improving coating quality, extending the service life of the spiral impeller, and enhancing the overall adaptability of the equipment; safe drying and convenient observation: closing the chamber door and locking it with a handle lock ensures drying safety, while a visual observation window allows operators to monitor the working chamber in real time; efficient exhaust and environmental purification: the exhaust mechanism utilizes motor power to drive the fan blades through the second rotating rod, bevel gear A, and bevel gear B, improving exhaust efficiency; the activated carbon plate in the purification chamber adsorbs and filters waste gas, reducing environmental pollution and meeting environmental protection requirements; the electric heating tube in the heating chamber, in conjunction with the air diffuser and diverter plate, quickly increases the gas temperature and applies it evenly to the spiral impeller, accelerating the drying speed and improving production efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of a spiral impeller spraying device provided by the present invention; Figure 2 This is a schematic diagram of the main cross-sectional structure of a spiral impeller spraying device provided by the present invention; Figure 3 for Figure 2 An enlarged structural diagram of part A shown in the figure; Figure 4 for Figure 2 An enlarged structural diagram of part B shown in the figure; Figure 5 for Figure 2 An enlarged structural diagram of section C shown in the figure; Figure 6 for Figure 2 An enlarged structural diagram of part D shown in the figure; Figure 7 This is a schematic diagram of the gas guide shell in this invention; Figure 8 This is a schematic diagram of the flow divider in this invention; Figure 9 This is a schematic diagram of the assembly frame in this invention; Figure 10 This is a schematic diagram of the assembly rod and mounting bracket in this invention.

[0017] Reference numerals: 1. Base plate; 2. Working box; 3. Material bucket; 4. Material guide pipe; 5. Spray gun; 6. Air pump; 7. Telescopic pipe; 8. Fixing frame; 9. First rotating rod; 10. Assembly rod; 11. Exhaust port; 12. Air guide shell; 13. Second rotating rod; 14. Fan blade; 15. Purification box; 16. First air guide pipe; 17. Activated carbon plate; 18. Exhaust pipe; 19. Air diffuser shell; 20. Heating box; 21. Second air guide pipe; 22. Third air guide pipe; 23. Electric heater 24. Heat pipe; 25. First solenoid valve; 26. Second solenoid valve; 27. Shaft; 28. Bevel gear A; 29. ​​Bevel gear B; 30. Mounting housing; 31. Motor; 32. Speed ​​controller; 33. First bevel gear; 34. Assembly frame; 35. Transmission rod; 36. Second bevel gear; 37. Electric telescopic rod; 38. Third bevel gear; 39. Fourth bevel gear; 40. Mounting frame; 41. Screw; 42. Pressure block; 43. Diverter plate; 44. Hinge; 45. Door; 46. Observation window. Detailed Implementation

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention.

[0019] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0020] This invention provides a spiral impeller spraying device, such as... Figure 1-10As shown, the spiral impeller spraying device includes: a base plate 1, on which a working box 2 for accommodating the spiral impeller to be sprayed is fixedly installed; a material bucket 3 for holding spraying material is disposed on the base plate 1, and the outlet of the material bucket 3 is connected to a spray gun 5 through a guide pipe 4; a fixing frame 8 fixedly installed in the working box 2 by bolts, and a first rotating rod 9 is rotatably mounted on the fixing frame 8 through bearings; an assembly rod 10, which is fixed to the first rotating rod 9 by a coupling, and is used to assemble the spiral impeller to be sprayed; a drive mechanism disposed on the base plate 1 and the assembly rod 10 for driving the assembly rod 10 to rotate; and a limiting mechanism disposed on the assembly rod 10 for limiting the spiral impeller to be sprayed mounted thereon.

[0021] In this embodiment, the spiral impeller to be sprayed is assembled on the first rotating rod 9, and the spiral impeller is fixed by a limiting mechanism. The material tank 3 contains spray paint, which is conveyed to the spray gun 5 through the guide pipe 4. The drive mechanism is activated to drive the assembly rod 10 to rotate, thereby driving the spiral impeller to rotate. The operator holds the spray gun 5 to spray the rotating spiral impeller. Through the setting of the fixing frame 8, the first rotating rod 9, the assembly rod 10, and the limiting mechanism, the spiral impeller can be stably fixed and rotated, eliminating the need for the operator to frequently and cumbersomely adjust the spraying surface, greatly reducing the difficulty of operation. The spiral impeller can be continuously sprayed during rotation, which greatly improves the spraying efficiency compared to manually adjusting the spraying surface by holding the spray gun. It can more efficiently complete the spraying work of large-area spiral impellers with many complex curved surfaces, thereby ensuring the long-term stable operation of the equipment.

[0022] In a further preferred embodiment of the present invention, the driving mechanism includes: a mounting shell 29 fixedly mounted on the base plate 1, wherein a motor 30 and a speed regulator 31 are disposed on the mounting shell 29, and the output shaft of the motor 30 and the input shaft of the speed regulator 31 are connected by a coupling; a first bevel gear 32 fixedly mounted on the output shaft of the speed regulator 31; an assembly frame 33 disposed within the mounting shell 29 and adjustable laterally, wherein a transmission rod 34 is rotatably mounted on the assembly frame 33 via bearings; a second bevel gear 35 fixedly mounted on both ends of the transmission rod 34, wherein the second bevel gear 35 and the first bevel gear 32 can mesh and separate with each other through lateral adjustment; and a third bevel gear 37 and a fourth bevel gear 38 respectively fixedly mounted on the transmission rod 34 and the first rotating rod 9, wherein the third bevel gear 37 and the fourth bevel gear 38 can mesh and separate with each other through lateral adjustment.

[0023] In this embodiment, the motor 30 is turned on, and the operation of the motor 30 drives the input shaft of the speed regulator 31 to rotate, thus adjusting the speed of the motor 30. The output shaft of the speed regulator 31 drives the first bevel gear 32 to rotate. As needed, the assembly frame 33 is laterally adjusted so that the second bevel gear 35 on the assembly frame 33 meshes with the first bevel gear 32. At this time, power is transmitted from the first bevel gear 32 to the second bevel gear 35, driving the transmission rod 34 to rotate. The assembly frame 33 is then laterally adjusted again so that the third bevel gear 37 on the transmission rod 34 meshes with the fourth bevel gear 38 on the first rotating rod 9. The power of the transmission rod 34 is transmitted to the first rotating rod 9, thereby driving the assembly rod 10 to rotate, thus achieving... The rotating helical impeller allows operators to easily hold the spray gun 5 for spraying operations. The combination of the motor 30 and the speed regulator 31 allows for flexible adjustment of the speed according to different spraying requirements of the helical impeller, ensuring optimal spraying results under various working conditions and improving the equipment's applicability. The lateral adjustment of the mounting frame 33 enables the engagement and disengagement of the bevel teeth, precisely controlling the power transmission path. When the helical impeller rotation is not required, the power connection can be disconnected, reducing unnecessary energy consumption and equipment wear. This structural design makes the operation of the drive system more convenient, allowing operators to quickly adjust the power transmission according to actual working conditions, thus improving work efficiency.

[0024] In a further preferred embodiment of the present invention, the limiting mechanism includes: a mounting bracket 39 fixedly mounted on the assembly rod 10; a screw 40 threadedly mounted on the mounting bracket 39, with a knob fixedly mounted on the top end of the screw 40; and a pressure block 41 fixedly mounted on the bottom end of the screw 40 for limiting the spiral impeller. In this embodiment, the spiral impeller to be sprayed is mounted on the assembly rod 10; the knob at the top of the screw 40 on the mounting bracket 39 is rotated. Since the screw 40 is threaded onto the mounting bracket 39, rotating the knob will cause the screw 40 to move up and down along the thread direction; as the screw 40 moves down, the pressure block 41 fixedly mounted at its bottom gradually approaches the spiral impeller until the pressure block 41 tightly contacts the spiral impeller and presses it into place, ensuring that the spiral impeller is firmly fixed on the assembly rod 10 for subsequent spraying operations; the screw 40 is rotated by the knob to achieve the desired effect. The pressure block 41 limits the movement of the spiral impeller, making operation simple and requiring no complicated installation tools or steps. It enables quick installation and fixation of the spiral impeller, improving work efficiency. The pressure block 41 is in close contact with the spiral impeller, providing sufficient pressure to ensure that the spiral impeller does not shift or shake during high-speed spraying, ensuring the accuracy and uniformity of the spraying. The position of the pressure block 41 can be adjusted by rotating the knob to limit and fix different types of spiral impellers, enhancing the versatility of the equipment.

[0025] In a further preferred embodiment of the present invention, an air pump 6 for spraying is provided on the base plate 1, and the air outlet of the air pump 6 is connected to the material barrel 3 through a telescopic pipe 7.

[0026] In this embodiment, the air pump 6 is turned on, and the air pump 6 starts to work to generate high-pressure gas; the high-pressure gas is delivered from the air outlet of the air pump 6 to the material tank 3 through the telescopic pipe 7; as the air pressure in the material tank 3 increases, the paint in the tank is pressed through the guide pipe 4 to the spray gun 5 under the action of air pressure, and the operator can then hold the spray gun 5 to spray the spiral impeller. During the spraying process, the telescopic tube 7 can be flexibly adjusted in length according to actual operational needs, facilitating the connection layout between the air pump 6 and the material tank 3. The air pump 6 provides stable air pressure, continuously pressurizing the spray paint in the material tank 3 to the spray gun 5, ensuring uninterrupted supply of spray paint during the spraying process, avoiding uneven spraying or interruption due to insufficient supply, and ensuring the smooth progress of the spraying work. The telescopic tube 7 connects the air pump 6 and the material tank 3, making the installation position of both more flexible, not limited by distance and space, and facilitating reasonable arrangement according to the actual working environment and equipment layout, thus improving the overall adaptability of the equipment. Stable air pressure ensures that the spray paint is sprayed out at a uniform pressure, which helps to improve the quality of the spraying, making the coating thickness on the surface of the spiral impeller uniform, further improving its wear resistance and corrosion resistance, and extending the service life of the spiral impeller.

[0027] In a further preferred embodiment of the present invention, the work box 2 is connected to a door 44 by a hinge 43, and the door 44 is provided with a visual observation window 45 and a handle lock.

[0028] In this embodiment, when the spiral impeller to be sprayed needs to be dried, hold the handle on the box door 44 and close the box door 44 inward with the hinge 43 as the axis. After closing the box door 44, lock the box door 44 with the handle lock to ensure that the box door will not be accidentally opened during the drying process. During the spraying process, the operator can directly observe the drying status of the spiral impeller in the working box 2 and whether there are any abnormalities through the visualization observation window 45 on the box door 44.

[0029] In a further preferred embodiment of the present invention, the top of the working box 2 is provided with an exhaust port 11 for exhausting air, and the exhaust port 11 is provided with an air guide shell 12 at the air outlet end.

[0030] In this embodiment, after the spraying operation begins, as the sprayed paint continues to be sprayed, the gas environment inside the working chamber 2 changes. The generated waste gas, volatile solvents, and suspended paint particles, etc., gradually accumulate in the chamber and form a pressure difference. Under the action of the pressure difference, these mixed gases naturally flow to the area with lower pressure and are discharged from the working chamber 2 through the exhaust port 11 pre-opened at the top of the working chamber 2. The mixed gas discharged from the exhaust port 11 will directly enter the air guide shell 12 connected to the air outlet. The unique structural design of the air guide shell 12 can guide the airflow to flow in a predetermined direction, which is convenient for subsequent connection to purification equipment or centralized emission treatment.

[0031] In a further preferred embodiment of the present invention, an air diffuser shell 19 for drying air guide is provided on one side of the working box 2, and a diverter plate 42 is fixedly installed at the air outlet end of the air diffuser shell 19 by bolts.

[0032] In this embodiment, after the spiral impeller completes the spraying operation, the drying equipment is turned on, and hot air is output from the drying equipment and enters the diffuser shell 19 on one side of the working chamber 2. The unique structure of the diffuser shell 19 diffuses the input hot air, increasing the coverage area of ​​the hot air and making the hot air more evenly distributed. After being diffused, the hot air is blown out from the air outlet of the diffuser shell 19 and directly impacts the diverter plate 42, which is fixed to the air outlet by bolts. The diverter plate 42 further disperses the hot air and guides it to different directions, evenly blowing it onto the sprayed spiral impeller in the working chamber 2, thereby drying the coating on the surface of the spiral impeller. The diffuser shell 19 expands the coverage area of ​​the hot air, and the diverter plate 42 disperses and guides the hot air, so that the hot air acts more comprehensively and evenly on the surface of the spiral impeller, accelerating the coating drying speed, reducing drying time, and improving production efficiency.

[0033] In a further preferred embodiment of the present invention, a placement rack is fixedly installed on one side of the work box 2, the placement rack is used to place the spray gun 5, and an electric telescopic rod 36 is fixedly installed on the inner wall of the mounting shell 29, the output rod of the electric telescopic rod 36 is fixedly connected to the assembly frame 33.

[0034] In this embodiment, before the spraying operation begins, the spray gun 5 is removed from the rack. After the spraying operation is completed, the spray gun 5 is placed back on the rack on one side of the work box 2. The rack provides a fixed storage location for the spray gun 5, making it easy to retrieve and store. When it is necessary to adjust the position of the transmission rod 34 so that the second bevel tooth 35 meshes with the first bevel tooth 32, and the third bevel tooth 37 meshes with the fourth bevel tooth 38, the electric telescopic rod 36 fixedly installed on the inner wall of the mounting housing 29 is activated. The output rod of the electric telescopic rod 36 extends and retracts, pushing the assembly frame 33 fixedly connected to it to move laterally, thereby driving the transmission rod 34 on the assembly frame 33 to move, realizing the meshing and disengagement operation between the bevel teeth, and completing the control of power transmission. The rack facilitates the storage and retrieval of the spray gun 5, reduces the time spent searching for tools, and improves work efficiency. The electric telescopic rod 36 can precisely control the movement of the assembly frame 33, which is more labor-saving and efficient than manual adjustment, making the switching operation of power transmission more convenient.

[0035] In a further preferred embodiment of the present invention, a detachable inspection plate is provided on the mounting shell 29, and mounting pieces are symmetrically fixedly mounted on the inspection plate. Bolts are provided on the mounting pieces, and the bolts are threadedly connected to the mounting shell 29.

[0036] In this embodiment, when it is necessary to inspect, repair, or maintain equipment such as the motor 30, speed controller 31, and electric telescopic rod 36 inside the mounting housing 29, tools are used to unscrew the bolts on the mounting plate of the inspection plate. Since the bolts are threadedly connected to the mounting housing 29, unscrewing the bolts will separate them from the mounting housing 29. After removing all the bolts, the inspection plate is removed from the mounting housing 29, at which point the equipment inside the mounting housing 29 can be directly accessed for corresponding inspection operations. After completing the inspection work, the inspection plate is placed back in its original position, aligning the bolt holes on the mounting plate with the threaded holes on the mounting housing 29. Then, tools are used to screw the bolts into the threaded holes until they are tightened, completing the installation of the inspection plate. The detachable inspection plate provides a convenient way to inspect the equipment inside the mounting housing 29.

[0037] In a further preferred embodiment of the present invention, support legs are symmetrically fixedly installed on the bottom of the base plate 1, and anti-slip plates are fixedly installed on the bottom ends of the support legs.

[0038] In this embodiment, when installing the spiral impeller spraying device, the base plate 1 is placed on the work site, and the support legs symmetrically fixedly installed at the bottom of the base plate 1 are perpendicular to the ground to provide support for the entire device. The anti-slip plates fixedly installed at the bottom of the support legs are in close contact with the ground, and the anti-slip properties of the anti-slip plates are used to increase the friction between the device and the ground. The symmetrically distributed support legs can evenly bear the weight of the entire spiral impeller spraying device, ensuring that the device will not tip over due to instability during operation, thus ensuring the stability of the equipment operation.

[0039] To further improve the performance of this device, in addition to the above-mentioned solutions, this solution also includes the following embodiments: In another embodiment of the present invention, the air guide shell 12 is provided with an exhaust mechanism for exhausting air. The exhaust mechanism includes: a second rotating rod 13 rotatably mounted inside the air guide shell 12 via a bearing, a fan blade 14 fixedly mounted at the bottom end of the second rotating rod 13; a rotating shaft 26 rotatably mounted on the air guide shell 12 via a sealed bearing, both ends of the rotating shaft 26 being fixedly mounted with bevel teeth A27, the corresponding bevel teeth A27 being able to mesh with and separate from the second bevel teeth 35; and a bevel tooth B28 fixedly mounted on the second rotating rod 13, the bevel tooth B28 meshing with the bevel tooth A27.

[0040] In this embodiment, when the exhaust mechanism needs to be activated, the position of the assembly frame 33 is first adjusted so that the electric telescopic rod 36 pushes the assembly frame 33 to move, allowing the second bevel tooth 35 on the transmission rod 34 to mesh with the bevel tooth A27 at one end of the rotating shaft 26; the motor 30 is started, driving the speed regulator 31 to work, and the output shaft of the speed regulator 31 drives the first bevel tooth 32 to rotate, which in turn drives the second bevel tooth 35 to rotate, thereby driving the rotating shaft 26 to rotate; the bevel teeth A27 at both ends of the rotating shaft 26 rotate synchronously, and since the bevel tooth A27 meshes with the bevel tooth B28 fixedly installed on the second rotating rod 13, the bevel tooth A27 drives the bevel tooth B28 to rotate, thereby causing the second rotating rod 13 to rotate within the air guide shell 12 through the bearing; the bottom end of the second rotating rod 13 is fixed. The installed fan blade 14 rotates along with the second rotating rod 13. The rotation of the fan blade 14 generates suction, drawing the exhaust gas in the working box 2 into the air guide shell 12 through the exhaust port 11 and then expelling it. Using the motor 30 as a power source, the fan blade 14 is driven to rotate at high speed through a series of bevel gears, generating strong suction, which can quickly and effectively expel the exhaust gas in the working box 2. Compared with natural exhaust, this greatly improves exhaust efficiency and ensures a good working environment in the working box 2. The power of the drive mechanism and the exhaust mechanism are cleverly integrated. By controlling the engagement and disengagement of the second bevel gear 35 and the bevel gear A27, the function of driving the assembly rod 10 to rotate and starting the exhaust mechanism can be switched. No additional power equipment is required, which simplifies the device structure and reduces costs.

[0041] In another embodiment of the present invention, the gas guide shell 12 is provided with a purification mechanism for purifying gas. The purification mechanism includes: a purification box 15 fixedly installed on the top of the gas guide shell 12, the air inlet of the purification box 15 being connected to the gas guide shell 12 through a first air guide pipe 16, and a second solenoid valve 25 for controlling the opening and closing of the pipe being provided on the first air guide pipe 16; an activated carbon plate 17 for adsorbing and filtering gas being provided inside the purification box 15; and an exhaust pipe 18 fixedly connected to the air outlet of the purification box 15, the exhaust pipe 18 discharging the adsorbed and purified gas to the outside.

[0042] In this embodiment, after the exhaust mechanism draws the exhaust gas from the working chamber 2 into the air guide shell 12, if purification of the exhaust gas is required, the second solenoid valve 25 on the first air guide pipe 16 is opened to connect the air guide shell 12 with the purification chamber 15. The exhaust gas enters the purification chamber 15 through the first air guide pipe 16. Inside the purification chamber 15, the exhaust gas passes through the fixedly installed activated carbon plate 17. The activated carbon plate 17 utilizes its rich pore structure and adsorption performance to adsorb and filter harmful gases, dust particles, etc. in the exhaust gas. The gas purified by the activated carbon plate 17 is discharged from the exhaust pipe 18 fixedly connected to the outlet of the purification chamber 15 and finally discharged outdoors. The activated carbon plate 17 has a good adsorption capacity for various pollutants in the exhaust gas, and can effectively remove harmful components in the exhaust gas, such as volatile organic compounds and fine dust, significantly improving the air quality after purification and reducing environmental pollution. Discharging the purified gas outdoors avoids the direct emission of untreated exhaust gas, which pollutes the atmospheric environment, meets environmental protection standards and requirements, helps protect the ecological environment, and reduces harm to surrounding residents and the natural environment.

[0043] In another embodiment of the present invention, the working box 2 is provided with a heating box 20 for drying and heating, the heating box 20 is provided with an electric heating tube 23 for heating, and the outer wall of the heating box 20 is provided with a thermostat for regulating the temperature of the electric heating tube 23; a second air guide pipe 21 is fixedly connected to the air outlet end of the heating box 20, and the air outlet end of the second air guide pipe 21 is connected to the air diffuser shell 19; a third air guide pipe 22 is fixedly connected to the air inlet end of the heating box 20, the air inlet end of the third air guide pipe 22 is connected to the air guide shell 12, and a first solenoid valve 24 for controlling the opening and closing of the pipe is provided on the third air guide pipe 22.

[0044] In this embodiment, when the coated spiral impeller needs to be dried, the first solenoid valve 24 on the third air guide pipe 22 is opened, so that the air guide shell 12 and the heating box 20 are connected through the third air guide pipe 22, and air enters the heating box 20; at the same time, according to the temperature required for drying the spiral impeller coating, the working temperature of the electric heating tube 23 is set by the temperature controller on the outer wall of the heating box 20, and the electric heating tube 23 is turned on. When the electric heating tube 23 is working, it heats the gas entering the heating chamber 20. If there is no waste gas in the air guide shell 12 or the waste gas temperature is too low, the electric heating tube 23 is turned on directly to heat the air in the chamber. The heated gas is output from the outlet of the heating chamber 20 through the second air guide pipe 21 and enters the air diffuser shell 19. After being diffused by the air diffuser shell 19 and divided by the flow divider plate 42, it is evenly blown onto the spiral impeller in the working chamber 2 to achieve the drying operation. The electric heating tube 23 can quickly increase the gas temperature. Together with the air diffuser shell 19 and the flow divider plate 42, the hot air is evenly applied to the spiral impeller, which accelerates the coating drying speed and improves production efficiency.

[0045] In summary, compared with related technologies, by utilizing the limiting mechanism composed of the fixed frame 8, the first rotating rod 9, the assembly rod 10, the screw 40, and the pressure block 41, the spiral impeller is stably fixed and rotated. Operators do not need to frequently adjust the spraying surface, greatly reducing operational difficulty, improving spraying efficiency, and ensuring long-term stable operation of the equipment. Precise power control: The combination of the motor 30 and the speed regulator 31, along with the assembly frame 33 and the electric telescopic rod 36, controls the first bevel gear 32, the second bevel gear 35, etc., allowing for flexible speed adjustment and precise control of the power transmission path, reducing energy consumption and equipment wear, facilitating operation, and improving work efficiency. Stable material supply and high-quality spraying: The air pump 6, in conjunction with the telescopic pipe 7, provides stable material supply, ensuring uniform spraying of the coating material. This system improves coating quality, extends the service life of the spiral impeller, and enhances the overall adaptability of the equipment. It also ensures safe drying and convenient observation: closing the chamber door 44 and locking it with a handle lock guarantees drying safety, while the visual observation window 45 allows operators to monitor the working chamber 2 in real time. Furthermore, it features efficient exhaust and environmental purification: the exhaust mechanism utilizes the power of the motor 30 to drive the fan blades 14 via the second rotating rod 13, bevel gear A27, and bevel gear B28, improving exhaust efficiency. The activated carbon plate 17 in the purification chamber 15 adsorbs and filters exhaust gas, reducing environmental pollution and meeting environmental protection requirements. The electric heating tube 23 in the heating chamber 20, in conjunction with the air diffuser shell 19 and the diverter plate 42, rapidly increases the gas temperature and evenly distributes it to the spiral impeller, accelerating the drying speed and improving production efficiency.

[0046] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of the present invention according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of the present invention. These technical solutions also fall within the scope of protection of the present invention.

Claims

1. A spiral impeller spraying device, characterized in that, include: A base plate (1) is fixedly installed on the base plate (1) and a working box (2) is provided to accommodate the spiral impeller to be sprayed. A material bucket (3) for holding spray paint is set on the base plate (1), and the outlet of the material bucket (3) is connected to a spray gun (5) through a guide pipe (4). A fixed frame (8) is bolted and installed inside the work box (2), and a first rotating rod (9) is rotatably mounted on the fixed frame (8) via a bearing. Assembly rod (10), which is fixed to the first rotating rod (9) by a coupling, is used to assemble the spiral impeller to be sprayed; A drive mechanism is provided on the base plate (1) and the assembly rod (10) for driving the assembly rod (10) to rotate; A limiting mechanism is provided on the assembly rod (10) for limiting the spiral impeller to be sprayed on it.

2. The spiral impeller spraying device as described in claim 1, characterized in that, The drive mechanism includes: A mounting shell (29) is fixedly installed on the base plate (1). A motor (30) and a speed regulator (31) are provided on the mounting shell (29). The output shaft of the motor (30) is connected to the input shaft of the speed regulator (31) through a coupling. The first bevel gear (32) is fixedly installed on the output shaft of the speed regulator (31); An assembly frame (33) is disposed within the mounting housing (29) and is laterally adjustable. A transmission rod (34) is rotatably mounted on the assembly frame (33) via a bearing. The second bevel teeth (35) are fixedly installed on both ends of the transmission rod (34). The second bevel teeth (35) and the first bevel teeth (32) can be meshed and separated by lateral adjustment. The third bevel tooth (37) and the fourth bevel tooth (38) are respectively fixedly installed on the transmission rod (34) and the first rotating rod (9). The third bevel tooth (37) and the fourth bevel tooth (38) can mesh and separate with each other through lateral adjustment.

3. The spiral impeller spraying device as described in claim 1, characterized in that, The limiting mechanism includes: Mounting bracket (39) fixedly installed on the assembly rod (10); A screw (40) is threaded onto the mounting bracket (39), and a knob is fixedly mounted on the top end of the screw (40); A pressure block (41) is fixedly installed on the bottom end of the screw (40) for limiting the spiral impeller.

4. The spiral impeller spraying device as described in claim 1, characterized in that, The base plate (1) is equipped with an air pump (6) for spraying, and the air outlet of the air pump (6) is connected to the material bucket (3) through a telescopic pipe (7).

5. The spiral impeller spraying device as described in claim 1, characterized in that, The work box (2) is connected to a door (44) by a hinge (43), and the door (44) is provided with a visual observation window (45) and a handle lock.

6. The spiral impeller spraying device as described in claim 1, characterized in that, The top of the working box (2) is provided with an exhaust port (11) for exhausting air, and the exhaust port (11) is provided with an air guide shell (12).

7. The spiral impeller spraying device as described in claim 1, characterized in that, The working box (2) is provided with an air diffuser shell (19) for drying air guide on one side, and a diverter plate (42) is fixedly installed at the air outlet end of the air diffuser shell (19) by bolts.

8. The spiral impeller spraying device as described in claim 2, characterized in that, A placement rack is fixedly installed on one side of the work box (2), which is used to place the spray gun (5). An electric telescopic rod (36) is fixedly installed on the inner wall of the mounting shell (29), and the output rod of the electric telescopic rod (36) is fixedly connected to the assembly frame (33).

9. The spiral impeller spraying device as described in claim 2, characterized in that, The mounting shell (29) is provided with a detachable inspection plate, and mounting pieces are symmetrically fixedly installed on the inspection plate. Bolts are provided on the mounting pieces and are threadedly connected to the mounting shell (29).

10. The spiral impeller spraying device as described in claim 1, characterized in that, The bottom of the base plate (1) is symmetrically fixedly equipped with support legs, and the bottom end of the support legs is fixedly equipped with anti-slip plates.

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