Anti-sputtering device for metal paint spraying

Abstract

The utility model relates to the field of metal paint spraying devices, in particular to an anti-sputtering device for metal paint spraying, and aims to solve the technical problems that when metal is subjected to paint spraying, the paint spraying quality is reduced along with the paint sputtering phenomenon. According to the technical scheme, the anti-sputtering device for metal paint spraying comprises a bottom plate, a foot stool, a paint spraying box, a box door, a paint pump, a rotating assembly, an overturning assembly and a moving assembly; through cooperative work of the rotating assembly and the overturning assembly, the metal piece has the flexible rotating and overturning capacity, angle adjustment and front and back spraying can be easily achieved, and therefore the spraying quality is remarkably improved, and due to the accurate moving function of the moving assembly, the spraying efficiency is improved. The position between the nozzle and the metal piece can be flexibly adjusted, diversified paint spraying requirements are met, the three parts work cooperatively, the efficiency and accuracy of paint spraying work are improved, the operation process is simplified, and the whole paint spraying process becomes more efficient and smoother.

Description

Technical Field

[0001] The utility model relates to the field of metal spraying devices, in particular to a splash-proof device for metal spraying. Background Technique

[0002] The metal spraying device can form a tough protective film on the metal surface. This film can isolate corrosion factors such as air and water vapor from direct contact with the metal, thus playing an excellent anti-corrosion role. In addition, the metal spraying device also has the function of wear resistance. It can make metal products more durable, especially for those metal products that are often used or easily affected by the external environment, such as cars, bicycles, cabinets, etc. After spraying, not only the aesthetics is maintained, but also the durability is improved and the maintenance cost is reduced.

[0003] When the metal spraying device is performing spraying operations, the phenomenon of paint splashing often occurs. This splashing phenomenon not only reduces the quality effect of spraying, but also easily pollutes the surrounding environment, and at the same time increases the extra cleaning burden on the staff.

[0004] Therefore, in view of the above situation where the quality of spraying is reduced due to the phenomenon of paint splashing when the metal is being sprayed, a splash-proof device for metal spraying can be designed. By means of telescopic adjustment in cooperation with a threaded drive structure and a rotating structure, the angle of the metal part can be conveniently adjusted while spraying the metal part, thereby improving the spraying effect. Summary of the Utility Model

[0005] In order to overcome the problem that the quality of spraying is reduced due to the phenomenon of paint splashing when the metal is being sprayed.

[0006] The technical solution of the utility model is as follows: A splash-proof device for metal spraying, comprising a bottom plate, a footrest, a spraying box, a box door, a paint pump, a rotating assembly, a flipping assembly, and a moving assembly; the lower end of the bottom plate is fixedly connected with a footrest for support, the upper end of the bottom plate is provided with a spraying box for placing metal parts, the front end of the spraying box is hinged with a box door that opens and closes left and right, the front end of the box door is provided with an observation window, the upper end of the spraying box is provided with a paint tank for containing paint inside, the upper end of the spraying box is provided with a paint pump and is located on the left side of the paint tank, the rotating assembly driven by a motor to drive a gear set is installed inside the spraying box, the flipping assembly driven by compressed gas to move the clamping plate is installed inside the spraying box and is located above the rotating assembly, and a moving assembly driven by a thread is installed inside the spraying box, and the moving assembly is located above the flipping assembly.

[0007] Preferably, the spray painting box is the main working area for metal spray painting and is designed as a closed structure to effectively prevent paint splashing during the spray painting process. The box door of the spray painting box facilitates the insertion and removal of the metal parts to be spray painted. An observation window is also installed at the front end of the box door, enabling the operator to observe the spray painting process without opening the box door, ensuring operation safety. The paint box is used to store the paint to be used. The paint pump is connected to the paint box through a pipeline. Driven by a motor, the paint pump pumps the paint out of the paint box and transports it through the pipeline to the spray head at the lower end of the moving seat, realizing the automatic spray painting function. The rotating assembly is driven by a motor to drive a gear set for transmission. Its function is to drive the metal parts to be spray painted to rotate in the spray painting box, ensuring that all parts of the metal parts can be evenly covered with spray paint. This rotating spray painting method can not only improve the spray painting efficiency but also effectively reduce paint waste. The flipping assembly drives the clamping plate to move through compressed gas, thereby fixing the metal parts to be spray painted. Then, it drives the metal parts to flip through the rotation of the motor, enabling both sides of the metal parts to be spray painted. The moving assembly realizes the moving function through screw drive, thereby adjusting the position between the nozzle and the metal parts to meet different spray painting requirements of the metal parts.

[0008] Preferably, the rotating assembly includes a first rotating motor, a rotating shaft, and a limiting post. The first rotating motor for driving the rotating shaft to rotate is installed inside the spray painting box. A limiting post for supporting the rotation of the rotating shaft is fixedly connected to the bottom of the spray painting box. The upper end of the rotating shaft is fixedly connected to the output shaft of the first rotating motor, and the lower end of the rotating shaft is inserted into the limiting post. The first rotating motor is the power source of the rotating assembly. It is responsible for driving the rotating shaft to perform rotational motion, providing the necessary rotational power for the spray painting process of the metal parts. The rotating shaft transmits the rotational power of the motor and drives the connected first gear to rotate. The limiting post is used to support the rotation of the rotating shaft, ensuring the stability of the rotating shaft during rotation and preventing the rotating shaft from shaking due to uneven force.

[0009] Preferably, the rotating assembly further includes a limiting rod, a support shaft, an electric push rod, and a turntable. A limiting rod for supporting the rotation of the support shaft is fixedly connected to the bottom of the spray painting box and is located on the left side of the rotating shaft. An electric push rod for driving the turntable to move vertically is installed at the upper end of the support shaft. The telescopic end of the electric push rod is equipped with a turntable for placing the metal parts. The lower end of the support shaft is inserted into the limiting rod. The support shaft is a component for supporting the turntable and the electric push rod. The function of the limiting rod is to support the rotation of the support shaft, preventing the support shaft from shaking during rotation. The electric push rod is responsible for driving the turntable to move vertically. By controlling the telescoping of the electric push rod, the height of the turntable can be conveniently adjusted, facilitating the flipping assembly to flip the metal parts. The turntable is a component for placing the metal parts to be spray painted. A rubber pad can be set on the surface of the turntable to increase the friction between the metal parts and the turntable.

[0010] Preferably, the rotating assembly further includes a first gear and a second gear; a first gear for driving the second gear to rotate is fixedly connected to the outer wall of the rotating shaft, a second gear is fixedly connected to the outer wall of the support shaft, and the first gear is meshed with the second gear. The first gear and the second gear are key components for realizing the synchronous rotation of the rotating shaft and the support shaft. The first gear drives the second gear to rotate through meshing connection, so that the support shaft rotates. This gear transmission method ensures the synchronism and stability of the rotating shaft and the support shaft during rotation, and improves the working efficiency of the entire rotating assembly.

[0011] Preferably, the flipping assembly includes a second rotating motor, a connecting rod, a cylinder, a clamping plate, and a suction cup; the second rotating motor for driving the connecting rod to rotate is installed at the left end of the painting box. One end of the connecting rod is fixedly connected to the output shaft of the second rotating motor, and the other end extends inward into the painting box. The cylinder for driving the clamping plate to move is installed at one end of the connecting rod. The clamping plate for clamping the metal part is connected to the power output element of the cylinder. There are 12 to 15 groups of suction cups arranged on the surface of the clamping plate. The second rotating motor is the power source of the flipping assembly and is responsible for driving the rotation of the connecting rod. By controlling the forward and reverse rotation of the motor, the flipping operation of the metal part is completed. The cylinder is responsible for driving the movement of the clamping plate. By controlling the expansion and contraction of the cylinder, the clamping and release of the metal part can be realized. The clamping plate is the component in the flipping assembly for clamping the metal part. At the same time, the suction cups on the surface of the clamping plate firmly adsorb the metal part by generating negative pressure, increasing the clamping stability and preventing it from falling off during the flipping process.

[0012] Preferably, the moving assembly includes a third rotating motor and a threaded rod; the third rotating motor for driving the threaded rod to rotate is installed at the left end of the painting box and above the second rotating motor. The left end of the threaded rod is fixedly connected to the output shaft of the third rotating motor, and the right end is rotatably connected to a rotating groove provided in the painting box. The third rotating motor is the power source of the moving assembly and is responsible for driving the rotation of the threaded rod. By precisely controlling the rotation speed of the motor, precise movement control of the moving seat and the nozzle can be achieved. The outer surface of the threaded rod is engraved with threads, and these threads match the internal threads in the moving seat. The movement of the moving seat is realized through the interaction of the threads.

[0013] Preferably, the moving assembly further includes a moving seat and a nozzle; the moving seat is provided with internal threads adapted to the external threads of the threaded rod, and the threaded rod is threadedly connected to the moving seat. The nozzle for spraying paint is installed at the lower end of the moving seat. The moving seat is the moving component in the moving assembly. When the threaded rod rotates, the moving seat will move linearly along the threaded rod, so as to realize the position adjustment in the horizontal direction. The nozzle is responsible for evenly and accurately spraying the paint on the metal part, thus completing the painting work.

[0014] The beneficial effects of the present utility model:

[0015] 1. The coordinated operation of the rotating component and the flipping component enables the metal part to have the ability to rotate and flip flexibly. Whether it is adjusting the angle or achieving spraying on both the front and back sides, it can be easily handled, thus significantly improving the spraying quality. The precise movement function of the moving component enables the nozzle to flexibly adjust its position relative to the metal part, meeting diverse painting requirements. The coordinated operation of the three not only improves the efficiency and accuracy of the painting work but also simplifies the operation process, making the entire painting process more efficient and smooth;

[0016] 2. The suction cup utilizes the adsorption principle to firmly adsorb the metal part by generating negative pressure, increasing the clamping stability and preventing the metal part from falling off during the flipping process;

[0017] 3. The gear transmission method ensures the synchronism and stability of the rotating shaft and the support shaft during rotation, improving the working efficiency of the entire rotating component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shown is a three-dimensional structural schematic diagram of the anti-sputtering device for metal painting of the present utility model;

[0019] Figure 2 Shown is a front view schematic diagram of the anti-sputtering device for metal painting of the present utility model;

[0020] Figure 3 Shown is a top view schematic diagram of the anti-sputtering device for metal painting of the present utility model;

[0021] Figure 4 Shown is a three-dimensional structural schematic diagram of the rotating component of the anti-sputtering device for metal painting of the present utility model;

[0022] Figure 5 Shown is a three-dimensional structural schematic diagram of the flipping component of the anti-sputtering device for metal painting of the present utility model;

[0023] Figure 6 Shown is a three-dimensional structural schematic diagram of the moving component of the anti-sputtering device for metal painting of the present utility model.

[0024] Description of the reference numerals: 1, bottom plate; 2, footrest; 3, painting box; 4, box door; 5, paint pump; 601, first rotating motor; 602, rotating shaft; 603, limit post; 604, limit rod; 605, support shaft; 606, electric push rod; 607, turntable; 608, first gear; 609, second gear; 701, second rotating motor; 702, connecting rod; 703, cylinder; 704, clamping plate; 705, suction cup; 801, third rotating motor; 802, threaded rod; 803, moving seat; 804, nozzle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] Please refer to Figures 1-3 , the present utility model provides an embodiment: a splash-proof device for metal spraying, comprising a bottom plate 1, a footrest 2, a spraying box 3, a box door 4, a paint pump 5, a rotating assembly, a flipping assembly, and a moving assembly; the lower end of the bottom plate 1 is fixedly connected with a footrest 2 for support, the upper end of the bottom plate 1 is provided with a spraying box 3 for placing metal parts, the front end of the spraying box 3 is hinged with a box door 4 that opens and closes left and right, an observation window is installed at the front end of the box door 4, the upper end of the spraying box 3 is provided with a paint box for containing paint inside, the upper end of the spraying box 3 is provided with a paint pump 5 and is located on the left side of the paint box, the rotating assembly driven by a motor through a gear set is installed inside the spraying box 3, the flipping assembly driven by compressed gas to move the clamping plate 704 is installed inside the spraying box 3 and is located above the rotating assembly, the moving assembly driven by screw transmission is installed inside the spraying box 3, the moving assembly is located above the flipping assembly, the spraying box 3 is the main working area for metal spraying and is designed as a closed structure to effectively prevent paint splashing during the spraying process, the box door 4 of the spraying box 3 facilitates the placement and removal of the metal parts to be sprayed, and an observation window is also installed at the front end of the box door 4, enabling the operator to observe the spraying process without opening the box door 4 and ensuring operation safety, the paint box is used to store the paint to be used, the paint pump 5 is connected to the paint box through a pipeline, the paint pump 5 is driven by a motor, pumps the paint out of the paint box, and transports it through the pipeline to the nozzle at the lower end of the moving seat 803 to achieve the automatic spraying function, the rotating assembly is driven by a motor through a gear set, and its function is to drive the metal parts to be sprayed to rotate inside the spraying box 3 to ensure that all parts of the metal parts can be evenly covered with paint. This rotating spraying method can not only improve the spraying efficiency but also effectively reduce paint waste, the flipping assembly drives the clamping plate 704 to move through compressed gas, thereby fixing the metal parts to be sprayed, and then drives the metal parts to flip by rotating the motor, so that both sides of the metal parts can be sprayed, the moving assembly realizes the moving function through screw transmission, thereby adjusting the position between the nozzle 804 and the metal parts to meet different spraying requirements of the metal parts.

[0027] Please refer to Figure 4, in this embodiment, the rotating assembly includes a first rotating motor 601, a rotating shaft 602, and a limiting column 603. The first rotating motor 601 for driving the rotation of the rotating shaft 602 is installed in the painting box 3. A limiting column 603 for supporting the rotation of the rotating shaft 602 is fixedly connected to the bottom of the painting box 3. The upper end of the rotating shaft 602 is fixedly connected to the output shaft of the first rotating motor 601, and the lower end of the rotating shaft 602 is inserted into the limiting column 603. The rotating assembly further includes a limiting rod 604, a support shaft 605, an electric push rod 606, and a turntable 607. A limiting rod 604 for supporting the rotation of the support shaft 605 is fixedly connected to the bottom of the painting box 3 and is located on the left side of the rotating shaft 602. An electric push rod 606 for driving the vertical movement of the turntable 607 is installed at the upper end of the support shaft 605. The telescopic end of the electric push rod 606 is provided with a turntable 607 for placing metal parts. The lower end of the support shaft 605 is inserted into the limiting rod 604. The rotating assembly further includes a first gear 608 and a second gear 609. A first gear 608 for driving the rotation of the second gear 609 is fixedly connected to the outer wall of the rotating shaft 602. A second gear 609 is fixedly connected to the outer wall of the support shaft 605. The first gear 608 is meshed with the second gear 609. The first rotating motor 601 is the power source of the rotating assembly. It is responsible for driving the rotating shaft 602 to perform rotational motion, providing the necessary rotational power for the painting process of metal parts. The rotating shaft 602 transmits the rotational power of the motor and drives the connected first gear 608 to rotate. The limiting column 603 is used to support the rotation of the rotating shaft 602, ensuring the stability of the rotating shaft 602 during rotation and preventing the rotating shaft 602 from shaking due to uneven force. The support shaft 605 is a component for supporting the turntable 607 and the electric push rod 606. The function of the limiting rod 604 is to support the rotation of the support shaft 605 and prevent the support shaft 605 from shaking during rotation. The electric push rod 606 is responsible for driving the turntable 607 to perform vertical movement. By controlling the telescopic movement of the electric push rod 606, the height of the turntable 607 can be conveniently adjusted, facilitating the flipping component to flip the metal parts. The turntable 607 is a component for placing the metal parts to be painted. A rubber pad can be provided on the surface of the turntable 607 to increase the friction between the metal parts and the turntable 607. The first gear 608 and the second gear 609 are key components for realizing the synchronous rotation of the rotating shaft 602 and the support shaft 605. The first gear 608 drives the second gear 609 to rotate through meshing connection, enabling the support shaft 605 to rotate. This gear transmission method ensures the synchronism and stability of the rotating shaft 602 and the support shaft 605 during rotation, improving the working efficiency of the entire rotating assembly.

[0028] Please refer to Figures 5-6, in this embodiment, the flipping assembly includes a second rotating motor 701, a connecting rod 702, a cylinder 703, a clamping plate 704, and a suction cup 705. The second rotating motor 701 for driving the connecting rod 702 to rotate is installed at the left end of the paint spraying box 3. One end of the connecting rod 702 is fixedly connected to the output shaft of the second rotating motor 701, and the other end extends inward into the paint spraying box 3. The cylinder 703 for driving the clamping plate 704 to move is installed at one end of the connecting rod 702. The clamping plate 704 for clamping the metal part is connected to the power output element of the cylinder 703. There are 12 to 15 groups of suction cups 705 and they are arranged on the surface of the clamping plate 704. The second rotating motor 701 is the power source of the flipping assembly, responsible for driving the rotation of the connecting rod 702. By controlling the forward and reverse rotation of the motor, the flipping operation of the metal part can be completed. The cylinder 703 is responsible for driving the movement of the clamping plate 704. By controlling the telescopic movement of the cylinder 703, the clamping and releasing of the metal part can be realized. The clamping plate 704 is the component in the flipping assembly for clamping the metal part. At the same time, the suction cups 705 on the surface of the clamping plate 704 firmly adsorb the metal part by generating negative pressure, increasing the stability of clamping and preventing it from falling off during the flipping process. The moving assembly includes a third rotating motor 801 and a threaded rod 802. The third rotating motor 801 for driving the threaded rod 802 to rotate is installed at the left end of the paint spraying box 3 and above the second rotating motor 701. The left end of the threaded rod 802 is fixedly connected to the output shaft of the third rotating motor 801, and the right end is rotatably connected to a rotating groove provided in the paint spraying box 3. The moving assembly further includes a moving seat 803 and a nozzle 804. An internal thread adapted to the external thread of the threaded rod 802 is provided in the moving seat 803. The threaded rod 802 is threadedly connected to the moving seat 803. The nozzle 804 for spraying paint is installed at the lower end of the moving seat 803. The third rotating motor 801 is the power source of the moving assembly, responsible for driving the rotation of the threaded rod 802. By precisely controlling the rotation speed of the motor, precise movement control of the moving seat 803 and the nozzle 804 can be achieved. Threads are engraved on the outer surface of the threaded rod 802, and these threads match the internal threads in the moving seat 803. The movement of the moving seat 803 is realized through the interaction of the threads. The moving seat 803 is the moving part in the moving assembly. When the threaded rod 802 rotates, the moving seat 803 will move linearly along the threaded rod 802, thereby realizing the position adjustment in the horizontal direction. The nozzle 804 is responsible for evenly and accurately spraying the paint on the metal part, thereby completing the paint spraying work.

[0029] During the working process, the staff first opens the box door 4 and places the metal part to be painted steadily on the turntable 607. Subsequently, the box door 4 is closed, and the third rotating motor 801 and the first rotating motor 601 are started. The third rotating motor 801 drives the threaded rod 802 to rotate, and the moving seat 803 then moves linearly in the horizontal direction along the threaded rod 802 to achieve precise position adjustment. At this time, the nozzle 804 starts to work and evenly and accurately sprays the paint on the metal part;

[0030] At the same time, the first rotating motor 601 drives the rotating shaft 602 to rotate, thereby driving the first gear 608 to rotate. Through the meshing connection of the gears, the second gear 609 also rotates, thereby rotating the support shaft 605, causing the rotating disk 607 and the metal parts on it to rotate, thereby achieving the purpose of adjusting the angle of the metal parts;

[0031] When one side of the metal part is painted, the cylinder 703 is started, and the cylinder 703 pushes the clamping plate 704 to move, so that the clamping plate 704 is close to the metal part. The suction cup 705 on the clamping plate 704 firmly absorbs the metal part by generating negative pressure, thereby enhancing its clamping stability. Next, the electric push rod 606 is started to shrink and lower the height of the turntable 607. At this time, the second rotating motor 701 is started and its forward and reverse rotation is controlled to realize the flipping operation of the metal part.

[0032] After the flipping is completed, the electric push rod 606 is started again to extend and retract, raising the height of the turntable 607 until it contacts the metal piece. Then, the cylinder 703 contracts to release the clamping of the clamping plate 704 on the metal piece. At this point, the other side of the metal piece can be sprayed with paint.

[0033] Through the above steps, through the coordinated work between the rotating component and the flipping component, not only can the metal part be flexibly rotated to adjust the angle, but it can also be flexibly flipped, so that the metal part can be easily sprayed on both sides, thereby improving the spraying quality. The precise movement ability of the moving component enables the nozzle 804 to change its position relative to the metal part, thereby meeting the different painting requirements of the metal part. The coordinated work of the three not only improves the efficiency and accuracy of the painting work, but also reduces the difficulty of operation, making the entire painting process more efficient, and solving the problem of paint splashing when the metal is being painted, resulting in reduced paint quality.

[0034] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A metal spray paint anti-sputtering device, comprising a base plate (1), a stand (2), a spray paint box (3), a box door (4), and a paint pump (5); characterized in that: The invention also comprises a rotating assembly, a flip assembly and a moving assembly; the lower end of the base plate (1) is fixedly connected with a support stand (2); the upper end of the base plate (1) is provided with a spray box (3) for placing metal parts; the front end of the spray box (3) is hinged with a box door (4) which can be opened and closed left and right; the front end of the box door (4) is provided with an observation window; the upper end of the spray box (3) is provided with a paint box for containing paint inside; the upper end of the spray box (3) is provided with a paint pump (5) which is located on the left side of the paint box; the rotating assembly driven by a motor-driven gear set is installed in the spray box (3); the flip assembly driven by a compressed gas-driven clamp (704) is installed in the spray box (3) and is located on the upper end of the rotating assembly; the spray box (3) is provided with a moving assembly driven by a thread; and the moving assembly is located on the upper end of the flip assembly.

2. The anti-sputtering device for metal spray painting according to claim 1, characterized in that: The rotating assembly comprises a first rotating motor (601), a rotating shaft (602), and a limiting column (603); the first rotating motor (601) for driving the rotating shaft (602) to rotate is installed in a paint spraying box (3); a limiting column (603) for supporting the rotating shaft (602) to rotate is fixedly connected to the bottom of the paint spraying box (3); the upper end of the rotating shaft (602) is fixedly connected to the output shaft of the first rotating motor (601), and the lower end of the rotating shaft (602) is inserted into the limiting column (603).

3. The anti-sputtering device for metal spray painting according to claim 2, characterized in that: The rotating assembly further comprises a limit rod (604), a support shaft (605), an electric push rod (606), and a turntable (607); a limit rod (604) for supporting the rotation of the support shaft (605) is fixedly connected to the bottom of the spray box (3) and is located on the left side of the rotating shaft (602); an electric push rod (606) for driving the turntable (607) to move vertically is installed at the upper end of the support shaft (605); a turntable (607) for placing metal parts is installed at the telescopic end of the electric push rod (606); and the lower end of the support shaft (605) is inserted into the limit rod (604).

4. The anti-sputtering device for metal spray painting according to claim 3, characterized in that: The rotating assembly also includes a first gear (608) and a second gear (609); the outer wall of the rotating shaft (602) is fixedly connected with the first gear (608) for driving the second gear (609) to rotate, the outer wall of the supporting shaft (605) is fixedly connected with the second gear (609), and the first gear (608) is meshedly connected to the second gear (609).

5. The anti-sputtering device for metal spray painting according to claim 1, characterized in that: The flip assembly comprises a second rotating motor (701), a connecting rod (702), a cylinder (703), a clamping plate (704), and a suction cup (705); the second rotating motor (701) for driving the connecting rod (702) to rotate is installed at the left end of the spray paint box (3); one end of the connecting rod (702) is fixedly connected to the output shaft of the second rotating motor (701), and the other end extends inwardly into the spray paint box (3); the cylinder (703) for driving the clamping plate (704) to move is installed at one end of the connecting rod (702); the clamping plate (704) for clamping a metal piece is connected to the power output element of the cylinder (703); and the suction cup (705) has 12 to 15 groups and is arranged on the surface of the clamping plate (704).

6. The anti-sputtering device for metal spray painting according to claim 1, characterized in that: The moving assembly comprises a No. 3 rotating motor (801) and a threaded rod (802); the No. 3 rotating motor (801) for driving the threaded rod (802) to rotate is installed at the left end of the spray paint box (3) and is located at the upper end of the No. 2 rotating motor (701); the left end of the threaded rod (802) is fixedly connected to the output shaft of the No. 3 rotating motor (801), and the right end is rotatably connected to a rotating groove provided in the spray paint box (3).

7. The anti-sputtering device for metal spray painting according to claim 6, characterized in that: The moving assembly further comprises a moving seat (803) and a nozzle (804); the moving seat (803) is provided with an internal thread matched with the external thread of the threaded rod (802); the threaded rod (802) is threadedly connected to the moving seat (803); and the nozzle (804) for spraying paint is installed at the lower end of the moving seat (803).

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