Plastic part spraying device

Abstract

The utility model discloses a plastic part spraying device which comprises an annular frame and a lifting frame, the lifting frame is arranged outside the annular frame, a lifting plate is installed in the lifting frame in a sliding mode, a supporting seat is installed at the top end of the lifting plate, and a supporting frame is installed at the top of the supporting seat. And a spraying barrel is arranged on the outer wall of the supporting frame, the spraying barrel is movably connected with the supporting frame, the spraying barrel is movably connected with the supporting seat, and a stepping motor is installed at the top end of the annular frame on one side of the lifting frame. According to the plastic part spraying device, the plastic parts can be hung in sequence in an annular rotating mode conveniently, the plastic parts can be hung and conveyed in batches conveniently, spraying operation in a rotating and uniform rotating mode is convenient, the plastic parts can be sprayed in batches rapidly and efficiently, and the working efficiency of the spraying device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying devices, in particular to a spraying device for plastic parts. Background Art

[0002] In modern manufacturing, painting is a key process. Whether it is used in the manufacture of automobiles, furniture, electronic equipment or other products, plastic spray painting can provide a smooth and uniform surface effect, giving plastic products a high gloss and aesthetics. A protective film will be generated on the surface of plastic products treated with plastic spray painting, which has the characteristics of wear resistance, corrosion resistance, weather resistance, etc., and can increase the service life of the product. Plastic spray painting can be customized according to customer needs, and colors, patterns, and designs can be selected at will to meet the personalized needs of different users. Plastic spray painting can be used to treat the surface of plastic products at any time, without being restricted by material state and shape, and is suitable for various types of plastic products. Compared with other coating methods, plastic spray painting has relatively low cost, high production efficiency, and can be mass-produced. It is suitable for industrial production environments. If the plastic spray paint is damaged or defective, it can be repaired through a simple repair process without replacing the entire plastic product, saving costs.

[0003] A parts spraying device disclosed in the authorization announcement number CN209597481U includes a second mounting frame, a slide rail is arranged on the second mounting frame, a mobile box body that can slide along the slide rail, a spraying robot arranged on the mobile box body, a spraying robot is arranged on the spraying robot, and the spraying robot is a multi-axis robot. A second rack horizontally arranged along the left and right directions is arranged on the second mounting frame, and the mobile box body includes a box body, a plurality of sliders installed on the lower side of the box body for installation on the slide rail, a second gear meshing with the second rack, and a mobile box body drive motor for driving the second gear to rotate;

[0004] Although a suction device is provided on the frame, and the suction port can move with the movement of the spraying robot, when the suction motor is turned on, negative pressure can be generated in the suction channel, the sealing belt is adsorbed on the hollow support plate, and the suction force of the suction member is increased;

[0005] However, the problem that the existing spraying device is not conducive to convenient circular rotation to suspend plastic parts in sequence during use, is not convenient for batch suspension and transportation of plastic parts and rotational rotation to spray them evenly, is not convenient for fast and efficient batch spraying of plastic parts, which greatly affects the working efficiency of the spraying device. Utility Model Content

[0006] The purpose of the present utility model is to provide a plastic part spraying device, so as to solve the problems put forward in the above background technology that the spraying device is not convenient for hanging plastic parts in a convenient annular rotation sequence, not convenient for batch hanging and conveying of plastic parts and uniform spraying operation in a rotary manner, not convenient for quickly and efficiently batch spraying plastic parts, and affecting the working efficiency of the spraying device.

[0007] To achieve the above purpose, the present utility model provides the following technical solutions: A plastic part spraying device includes an annular frame and a lifting frame. The outside of the annular frame is provided with a lifting frame. A lifting plate is slidably installed inside the lifting frame. A support seat is installed at the top of the lifting plate. A support frame is installed on the top of the support seat. A spraying cylinder is arranged on the outer wall of the support frame, and the spraying cylinder is movably connected to the support frame and is also movably connected to the support seat. A stepping motor is installed at the top of the annular frame on one side of the lifting frame. A first sprocket is installed at the output end of the stepping motor. A second sprocket is arranged on the side of the annular frame away from the first sprocket inside the annular frame. A chain is arranged on the outer wall of the first sprocket, and the chain extends to the surface of the second sprocket. An annular chute frame is arranged at the bottom of the annular frame above the chain. A liquid inlet pipe is installed on the outer wall of the spraying cylinder.

[0008] Preferably, a plurality of groups of hooks are installed at equal intervals inside the chain, and the tops of the hooks all extend to the outside of the chain. Support blocks are installed at the tops of the hooks. Pulleys are installed on the outer walls on both sides of the support blocks, and the pulleys are all slidably connected to the annular chute frame.

[0009] Preferably, servo motors are symmetrically installed on the inner walls of the lifting frame on both sides of the lifting plate. Threaded sleeves are symmetrically installed on the outer walls of the lifting plate below the servo motors. Threaded rods are threadedly connected inside the threaded sleeves, and the threaded rods all extend to the outside of the threaded sleeves and are connected to the output ends of the servo motors.

[0010] Preferably, a lower slide rail is sleeved on the outer wall of the spraying cylinder above the support seat. Rotary motors are symmetrically installed on the outer walls of the support seat on one side of the lower slide rail. Transmission shafts are installed at the output ends of the rotary motors. Driving wheels are sleeved on the outer walls of the transmission shafts away from the rotary motors, and the driving wheels are all slidably connected to the lower slide rail.

[0011] Preferably, an upper slide rail is sleeved on the surface of the spraying cylinder above the lower slide rail. Auxiliary seats are symmetrically installed on the outer walls of the support frame on one side of the upper slide rail. Auxiliary wheels are movably installed at the bottoms of the auxiliary seats, and the auxiliary wheels are all slidably connected to the upper slide rail. A limit ring is installed on the outer wall of the support frame below the auxiliary wheels, and the limit ring is movably connected to the spraying cylinder.

[0012] Preferably, a liquid storage tank is installed inside the spraying cylinder on one side of the liquid inlet pipe. A water pump is installed on the outer wall of the liquid storage tank, and a shunt pipe is installed on the outer wall of the liquid storage tank above the water pump.

[0013] Preferably, multiple conveying hoses are installed at the top end of the shunt pipe, and the conveying hoses all extend to the outside of the liquid storage tank. Multiple nozzles are installed inside the spraying cylinder above the liquid storage tank, and the conveying hoses all extend into the nozzles.

[0014] Preferably, a remote controller is installed on the outer wall of the annular frame, and the output end of the remote controller is electrically connected to the input ends of the stepping motor, the rotary motor, the servo motor, and the water pump.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: This spraying device not only realizes the convenient annular rotation type of sequentially hanging plastic parts of the plastic part spraying device, facilitates the batch hanging and conveying of plastic parts, facilitates the rotary rotation and uniform spraying operation, facilitates the rapid and efficient batch spraying of plastic parts, but also improves the working efficiency of the spraying device;

[0016] (1) By driving the first sprocket to rotate through the stepping motor, the first sprocket drives the chain to move annularly. The chain drives multiple hooks to move synchronously. At the same time, the annular frame supports the annular chute frame. The chain drives the support block and the pulley to move synchronously through the hook. The pulley slides on the inner wall of the annular chute frame. The annular chute frame and the pulley cooperate to support the hook slidingly through the support block. The staff sequentially hangs the plastic parts to be sprayed through the hooks for hanging treatment, to facilitate the annular movement spraying work of the hooks, realizes the convenient annular rotation type of sequentially hanging plastic parts of the plastic part spraying device, facilitates the batch hanging and conveying of plastic parts, reduces the interval time for switching multiple groups of plastic parts during spraying, and improves the working efficiency of the spraying device;

[0017] (2) Drive multiple groups of hooks and the plastic parts they suspend to move through a stepper motor. When a group of plastic parts moves directly above the spraying cylinder, the stepper motor stops driving. The servo motor drives the threaded rod to rotate. The threaded rod drives the lifting plate to move upward through the threaded sleeve. The lifting plate drives the support frame and the spraying cylinder to move upward synchronously through the support base. The rotating motor drives the driving wheel to rotate through the transmission shaft. The driving wheel drives the spraying cylinder to rotate through the lower slide rail. The auxiliary wheel slides and supports the upper slide rail. The limit ring provides movable limit support for the spraying cylinder to enable the spraying cylinder to rotate stably. The water pump transports the spraying material inside the liquid storage tank to the inside of the shunt pipe. The shunt pipe transports the spraying material inside through multiple conveying hoses to the inside of multiple nozzles. Under the action of the rotating motor and the water pump, a group of hooks and the suspended plastic parts are subjected to rotary spraying operations. After a group of hooks and the suspended plastic parts are sprayed, operate the remote controller to turn off the rotating motor and start the servo motor. The servo motor performs a reset process. The servo motor drives the lifting plate and the spraying cylinder to descend a certain height to facilitate the stepper motor to drive the next group of hooks and the suspended plastic parts to move above the spraying cylinder to facilitate the spraying operation of the next group of plastic parts. In this way, it is convenient to perform rotary spraying operations on a batch of plastic parts in sequence, realizing the convenient lifting and rotary spraying operation of the plastic part spraying device, facilitating the rotary and uniform spraying operation, and facilitating the rapid and efficient batch spraying of plastic parts. Description of the Drawings

[0018] Figure 1 Three-dimensional structure schematic diagram of the present utility model;

[0019] Figure 2 Three-dimensional structure schematic diagram of the lifting frame of the present utility model;

[0020] Figure 3 Three-dimensional structure schematic diagram of the spraying cylinder of the present utility model;

[0021] Figure 4 Front view sectional structure schematic diagram of the spraying cylinder of the present utility model;

[0022] Figure 5 Three-dimensional structure schematic diagram of the annular chute frame of the present utility model;

[0023] Figure 6 Front view structure schematic diagram of the spraying cylinder of the present utility model;

[0024] Figure 7 Three-dimensional structure schematic diagram of the first sprocket of the present utility model.

[0025] In the figure: 1, annular frame; 2, lifting frame; 3, lifting plate; 4, support seat; 5, support frame; 6, spraying cylinder; 7, first sprocket; 8, stepping motor; 9, annular chute frame; 10, pulley; 11, support block; 12, chain; 13, hook; 14, second sprocket; 15, limit ring; 16, rotating motor; 17, transmission shaft; 18, driving wheel; 19, lower slide rail; 20, upper slide rail; 21, auxiliary wheel; 22, auxiliary seat; 23, threaded sleeve; 24, threaded rod; 25, servo motor; 26, nozzle; 27, delivery hose; 28, liquid storage tank; 29, water pump; 30, shunt pipe; 31, liquid inlet pipe; 32, remote controller. Detailed implementation mode

[0026] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following combines the drawings and preferred embodiments to detail the specific implementation mode, structure, features and their effects of the present invention as follows.

[0027] Please refer to Figures 1-7 , an embodiment provided by the present invention: a plastic part spraying device, including an annular frame 1 and a lifting frame 2. A lifting frame 2 is arranged outside the annular frame 1. A lifting plate 3 is slidably installed inside the lifting frame 2. A support seat 4 is installed at the top of the lifting plate 3. A support frame 5 is installed on the top of the support seat 4. A spraying cylinder 6 is arranged on the outer wall of the support frame 5, and the spraying cylinder 6 is movably connected to the support frame 5 and is also movably connected to the support seat 4. A stepping motor 8 is installed at the top of the annular frame 1 on one side of the lifting frame 2. The stepping motor 8 plays a role of power drive. A first sprocket 7 is installed at the output end of the stepping motor 8. A second sprocket 14 is arranged on the side of the annular frame 1 away from the first sprocket 7 inside the annular frame 1. A chain 12 is arranged on the outer wall of the first sprocket 7, and the chain 12 extends to the surface of the second sprocket 14. An annular chute frame 9 is arranged at the bottom of the annular frame 1 above the chain 12. A liquid inlet pipe 31 is installed on the outer wall of the spraying cylinder 6;

[0028] A plurality of groups of hooks 13 are installed at equal intervals inside the chain 12, and the tops of the hooks 13 all extend outside the chain 12. Support blocks 11 are installed at the tops of the hooks 13. Pulleys 10 are installed on the outer walls on both sides of the support blocks 11, and the pulleys 10 are all slidably connected to the annular chute frame 9;

[0029] The stepper motor 8 is started by operating the remote controller 32, and the annular frame 1 supports the stepper motor 8. The stepper motor 8 drives the first sprocket 7 to rotate. Under the support of the second sprocket 14 on the chain 12, the first sprocket 7 drives the chain 12 to move in an annular manner, and the chain 12 drives multiple groups of hooks 13 to move synchronously. At the same time, the annular frame 1 supports the annular slide frame 9, and the chain 12 drives the support block 11 and the pulley 10 to move synchronously through the hook 13. The pulley 10 slides on the inner wall of the annular slide frame 9, and the annular slide frame 9 and the pulley 10 cooperate to support the hook 13 through the support block 11 to improve the stability of the hook 13 during the annular movement. The staff will suspend the plastic parts that need to be sprayed through the hook 13 in turn to facilitate the annular movement spraying work of the hook 13, and realize the convenient annular rotation type of the plastic parts spraying device to suspend the plastic parts in turn, which is convenient for the plastic parts to be suspended and transported in batches, reduces the interval time of switching multiple groups of plastic parts during spraying, and improves the working efficiency of the spraying device;

[0030] Servo motors 25 are symmetrically installed on the inner wall of the lifting frame 2 on both sides of the lifting plate 3. The servo motors 25 play a role of power driving. Threaded sleeves 23 are symmetrically installed on the outer wall of the lifting plate 3 below the servo motors 25. The inside of the threaded sleeves 23 are all threadedly connected with threaded rods 24, and the threaded rods 24 are all extended to the outside of the threaded sleeves 23, and the threaded rods 24 are all connected to the output end of the servo motors 25;

[0031] The servo motor 25 and the stepper motor 8 are started by operating the remote controller 32. The stepper motor 8 drives the multiple groups of hooks 13 and the plastic parts suspended thereon to move. When a group of plastic parts moves to the top of the spray barrel 6, the stepper motor 8 stops driving, and the lifting frame 2 supports the servo motor 25. The servo motor 25 drives the threaded rod 24 to rotate. Under the threaded cooperation between the threaded rod 24 and the threaded sleeve 23, the threaded rod 24 drives the lifting plate 3 to move upward through the threaded sleeve 23. At the same time, the lifting plate 3 supports the support seat 4, and the support seat 4 supports the support frame 5. The support frame 5 supports the spray barrel 6, and the lifting plate 3 drives the support frame 5 and the spray barrel 6 to move upward synchronously through the support seat 4. When a group of hooks 13 and the suspended plastic parts completely enter the interior of the spray barrel 6, the servo motor 25 is turned off by operating the remote controller 32, and the servo motor 25 drives the threaded rod 24 to stop rotating. The threaded rod 24 drives the lifting plate 3 to stop moving upward through the threaded sleeve 23, and the spray barrel 6 stops moving upward at the same time, so as to prevent the lifting plate 3 from being lifted too much and causing the spray barrel 6 to contact with the chain 12;

[0032] A lower slide rail 19 is sleeved on the outer wall of the spraying cylinder 6 above the support base 4. Symmetrically mounted on the outer wall of the support base 4 on one side of the lower slide rail 19 are rotary motors 16 which serve as power drives. Output shafts of the rotary motors 16 are all equipped with transmission shafts 17. Sheathed on the outer walls of the ends of the transmission shafts 17 far from the rotary motors 16 are drive wheels 18, and the drive wheels 18 are all slidably connected to the lower slide rail 19;

[0033] An upper slide rail 20 is sleeved on the surface of the spraying cylinder 6 above the lower slide rail 19. Symmetrically mounted on the outer wall of the support frame 5 on one side of the upper slide rail 20 are auxiliary seats 22. Actively mounted at the bottoms of the auxiliary seats 22 are auxiliary wheels 21, and the auxiliary wheels 21 are all slidably connected to the upper slide rail 20. Mounted on the outer wall of the support frame 5 below the auxiliary wheels 21 is a limit ring 15, and the limit ring 15 is movably connected to the spraying cylinder 6;

[0034] Inside the spraying cylinder 6 on one side of the liquid inlet pipe 31 is installed a liquid storage tank 28. Mounted on the outer wall of the liquid storage tank 28 is a water pump 29. Mounted on the outer wall of the liquid storage tank 28 above the water pump 29 is a shunt pipe 30. The top end of the shunt pipe 30 is installed with multiple groups of delivery hoses 27, and the delivery hoses 27 all extend to the outside of the liquid storage tank 28. Inside the spraying cylinder 6 above the liquid storage tank 28 are installed multiple groups of nozzles 26, and the delivery hoses 27 all extend into the nozzles 26. Mounted on the outer wall of the annular frame 1 is a remote controller 32, and the output end of the remote controller 32 is electrically connected to the input ends of the stepping motor 8, the rotary motors 16, the servo motor 25, and the water pump 29.

[0035] It is transported to the inside of the liquid storage tank 28 through the liquid inlet pipe 31. The rotary motor 16 is started by operating the remote controller 32. The support base 4 supports the rotary motor 16. The rotary motor 16 drives the driving wheel 18 to rotate through the transmission shaft 17. The spraying cylinder 6 supports the lower slide rail 19 and the upper slide rail 20. The driving wheel 18 drives the spraying cylinder 6 to rotate through the lower slide rail 19. At the same time, the support frame 5 supports the auxiliary base 22. The auxiliary base 22 movably supports the auxiliary wheel 21. The auxiliary wheel 21 slidably supports the upper slide rail 20. The limit ring 15 movably limits and supports the spraying cylinder 6 to make the spraying cylinder 6 rotate stably. At the same time, the remote controller 32 is operated to start the water pump 29. The liquid storage tank 28 supports the water pump 29. The water pump 29 transports the spraying material inside the liquid storage tank 28 to the inside of the shunt pipe 30. The shunt pipe 30 transports the spraying material inside through multiple groups of delivery hoses 27 to the inside of multiple groups of nozzles 26. Under the action of the rotary motor 16 and the water pump 29, a group of hooks 13 and the suspended plastic parts are subjected to rotary spraying operation. After the spraying is completed, the sprayed liquid flows back into the inside of the liquid storage tank 28 along the inner wall of the spraying cylinder 6 under the influence of its own gravity. When a group of hooks 13 and the suspended plastic parts are sprayed, the remote controller 32 is operated to turn off the rotary motor 16 and start the servo motor 25. The servo motor 25 performs a reset process. The servo motor 25 drives the lifting plate 3 and the spraying cylinder 6 to descend a certain height to facilitate the stepping motor 8 to drive the next group of hooks 13 and the suspended plastic parts to move above the spraying cylinder 6 to facilitate the spraying operation of the next group of plastic parts. In this way, it is convenient to perform rotary spraying operations on a batch of plastic parts in sequence, realizing the convenient lifting type adjustment rotary spraying operation of the plastic part spraying device, facilitating the rotary and uniform spraying operation, and facilitating the rapid and efficient batch spraying of plastic parts.

[0036] Working principle: When in use, with an external power supply, first, the stepping motor 8 drives the first sprocket 7 to rotate. The first sprocket 7 drives the chain 12 to move in a loop. The chain 12 drives multiple groups of hooks 13 to move synchronously. The chain 12 drives the support block 11 and the pulley 10 to move synchronously through the hooks 13. The pulley 10 slides on the inner wall of the annular chute frame 9. The annular chute frame 9 and the pulley 10 cooperate to support the hooks 13 slidably through the support block 11 to improve the stability of the annular movement of the hooks 13. The staff hangs the plastic parts to be sprayed on the hooks 13 in sequence to facilitate the annular movement spraying work of the hooks 13. When the hanging on the hooks 13 is completed in sequence, the stepping motor 8 drives multiple groups of hooks 13 and the plastic parts they hang to move. When a group of plastic parts moves to directly above the spraying cylinder 6, the stepping motor 8 stops driving. The lifting frame 2 supports the servo motor 25. The servo motor 25 drives the threaded rod 24 to rotate. The threaded rod 24 drives the lifting plate 3 to move upward through the threaded sleeve 23. At the same time, the lifting plate 3 supports the support seat 4. The support seat 4 supports the support frame 5. The support frame 5 supports the spraying cylinder 6. The lifting plate 3 drives the support frame 5 and the spraying cylinder 6 to move upward synchronously through the support seat 4. When a group of hooks 13 and the plastic parts they hang completely enter the interior of the spraying cylinder 6, the servo motor 25 is turned off by operating the remote controller 32. The servo motor 25 drives the threaded rod 24 to stop rotating. The threaded rod 24 drives the lifting plate 3 to stop moving upward through the threaded sleeve 23. At the same time, the spraying cylinder 6 stops moving upward to prevent the spraying cylinder 6 from contacting the chain 12 due to excessive lifting of the lifting plate 3. The rotating motor 16 drives the driving wheel 18 to rotate through the transmission shaft 17. The driving wheel 18 drives the spraying cylinder 6 to rotate through the lower slide rail 19. The auxiliary wheel 21 slidably supports the upper slide rail 20. The limiting ring 15 supports the spraying cylinder 6 movably to make the spraying cylinder 6 rotate stably. The water pump 29 transports the spraying material in the liquid storage tank 28 into the interior of the shunt pipe 30. The shunt pipe 30 transports the spraying material inside through multiple groups of conveying hoses 27 into the interior of multiple groups of nozzles 26. Under the action of the rotating motor 16 and the water pump 29, a group of hooks 13 and the plastic parts they hang are subjected to rotary spraying operation. After spraying, the sprayed liquid flows back into the interior of the liquid storage tank 28 along the inner wall of the spraying cylinder 6 under the influence of its own gravity. When a group of hooks 13 and the plastic parts they hang are sprayed, operate the remote controller 32 to turn off the rotating motor 16 and start the servo motor 25. The servo motor 25 performs a reset process. The servo motor 25 drives the lifting plate 3 and the spraying cylinder 6 to descend a certain height to facilitate the stepping motor 8 to drive the next group of hooks 13 and the plastic parts they hang to move above the spraying cylinder 6 to facilitate the spraying operation of the next group of plastic parts. In this way, it is convenient to perform rotary spraying operations on a batch of plastic parts in sequence to complete the use work of the spraying device.

[0037] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the above-disclosed technical content within the scope of the technical solution of the present utility model. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A plastic parts spraying device, comprising an annular frame (1) and a lifting frame (2), characterized in that: A lifting frame (2) is arranged outside the annular frame (1), a lifting plate (3) is slidably mounted inside the lifting frame (2), a support seat (4) is mounted on the top of the lifting plate (3), a support frame (5) is mounted on the top of the support seat (4), a spray barrel (6) is arranged on the outer wall of the support frame (5), and the spray barrel (6) is movably connected to the support frame (5), and the spray barrel (6) is movably connected to the support seat (4), and the annular frame (1) on one side of the lifting frame (2) is arranged on the top of the annular frame (1) A stepper motor (8) is installed, and a first sprocket (7) is installed at the output end of the stepper motor (8); a second sprocket (14) is arranged on the side of the annular frame (1) away from the first sprocket (7); a chain (12) is arranged on the outer wall of the first sprocket (7), and the chain (12) extends to the surface of the second sprocket (14); an annular slide frame (9) is arranged at the bottom end of the annular frame (1) above the chain (12); and a liquid inlet pipe (31) is installed on the outer wall of the spray barrel (6).

2. A plastic parts spraying device according to claim 1, characterized in that: A plurality of groups of hooks (13) are installed at equal intervals inside the chain (12), and the top ends of the hooks (13) extend to the outside of the chain (12). Support blocks (11) are installed at the top ends of the hooks (13), and pulleys (10) are installed on the outer walls of both sides of the support blocks (11), and the pulleys (10) are slidably connected to the annular slide frame (9).

3. A plastic parts spraying device according to claim 1, characterized in that: Servo motors (25) are symmetrically mounted on the inner walls of the lifting frame (2) on both sides of the lifting plate (3), and threaded sleeves (23) are symmetrically mounted on the outer wall of the lifting plate (3) below the servo motor (25). The interior of the threaded sleeves (23) are all threadedly connected with threaded rods (24), and the threaded rods (24) are all extended to the outside of the threaded sleeves (23), and the threaded rods (24) are all connected to the output end of the servo motor (25).

4. A plastic parts spraying device according to claim 1, characterized in that: A lower rail (19) is mounted on the outer wall of the spray barrel (6) above the support seat (4), and a rotating motor (16) is symmetrically mounted on the outer wall of the support seat (4) on one side of the lower rail (19). A transmission shaft (17) is mounted on the output end of the rotating motor (16), and a driving wheel (18) is mounted on the outer wall of the end of the transmission shaft (17) away from the rotating motor (16), and the driving wheel (18) is slidably connected to the lower rail (19).

5. A plastic parts spraying device according to claim 4, characterized in that: An upper slide rail (20) is mounted on the surface of the spray barrel (6) above the lower slide rail (19); an auxiliary seat (22) is symmetrically mounted on the outer wall of the support frame (5) on one side of the upper slide rail (20); an auxiliary wheel (21) is movably mounted at the bottom end of each auxiliary seat (22); and the auxiliary wheel (21) is slidably connected to the upper slide rail (20); a limit ring (15) is mounted on the outer wall of the support frame (5) below the auxiliary wheel (21), and the limit ring (15) is movably connected to the spray barrel (6).

6. A plastic parts spraying device according to claim 1, characterized in that: A liquid storage tank box (28) is installed inside the spray barrel (6) on one side of the liquid inlet pipe (31), a water pump (29) is installed on the outer wall of the liquid storage tank box (28), and a shunt pipe (30) is installed on the outer wall of the liquid storage tank box (28) above the water pump (29).

7. A plastic parts spraying device according to claim 6, characterized in that: A plurality of delivery hoses (27) are installed at the top of the diversion pipe (30), and the delivery hoses (27) all extend to the outside of the liquid storage tank box (28). A plurality of nozzles (26) are installed inside the spray barrel (6) above the liquid storage tank box (28), and the delivery hoses (27) all extend to the inside of the nozzles (26).

8. A plastic parts spraying device according to claim 1, characterized in that: A remote controller (32) is installed on the outer wall of the annular frame (1), and the output end of the remote controller (32) is electrically connected to the input ends of the stepping motor (8), the rotating motor (16), the servo motor (25), and the water pump (29).

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