Paint spraying device for wheel-mounted brake disc of motor train unit

Abstract

The invention belongs to the technical field of motor train unit brake disc paint spraying, and particularly provides a motor train unit wheel-mounted brake disc paint spraying device which comprises a base, a main rotating column is rotationally arranged in the center of the upper portion of the base, overturning clamping type shielding assemblies are evenly distributed on the circumference of the main rotating column, and the upper portion of the base is wrapped with a shielding cover. A lifting type spacing mechanism is movably arranged at the upper part of the shielding cover; according to the paint spraying device for the wheel-mounted brake disc of the motor train unit, wheels can be automatically clamped in the paint spraying process, the friction working face of the wheel-mounted brake disc is protected, the pre-acting principle is adopted, and the base is divided into the feeding area, the spraying area, the baking area and the discharging area through the partition doors; and through synchronous cooperative work of the overturning clamping type shielding assembly, a hydraulic telescopic column, an air pump, a winding motor, a suction pump, a liquid suction pump, a heating rod and a baking rod, whole-process operation of feeding, paint spraying, baking, cooling and discharging is conducted on the wheels of the motor train unit, the automation degree is high, and the paint spraying efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of EMU brake disc painting technology, specifically referring to a EMU wheel-mounted brake disc painting device. Background Technology

[0002] The wheel-mounted brake discs of high-speed trains are mainly installed on both sides of the wheel spokes, forming a braking friction pair with the brake pads. They are components used for braking high-speed trains. The surface of high-speed train wheels needs to be painted to improve its surface performance and effectively prevent rust or corrosion. However, during painting, the mounting surface, friction working surface, and bolt connection holes of the wheel-mounted brake discs must be tightly masked to prevent paint adhesion and affecting the friction coefficient of the brake discs.

[0003] Existing wheel brake disc painting equipment requires the use of high-temperature resistant tape or special masking paper to cover the friction surface of the brake disc before manual spraying with a handheld spray gun. Removing the high-temperature tape or masking paper after painting is time-consuming, labor-intensive, and harmful to workers' health. In addition, the existing painting operation of wheel brake discs for high-speed trains is difficult to automate the process of loading, painting, drying, and unloading, resulting in low painting efficiency. Summary of the Invention

[0004] To address the aforementioned problems, this invention provides a high-speed train wheel brake disc painting device that automatically clamps the wheels and protects the friction surface of the wheel brake disc during the painting process. Utilizing a pre-action principle, the base is divided into a loading area, a spraying area, a baking area, and a unloading area via a partition door. A flip-clamping shielding assembly, a hydraulic telescopic column, an air pump, a winding motor, a suction pump, a liquid pump, a heating rod, and a baking rod work synchronously and collaboratively to perform the entire process of loading, painting, baking, cooling, and unloading the high-speed train wheels. This highly automated process improves painting efficiency.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: The present invention provides a painting device for wheel-mounted brake discs of high-speed trains, including a base. The base is divided into a feeding area, a spraying area, a baking area, and a discharging area along the circumferential direction. A main rotating column is rotatably provided at the upper center of the base. The main rotating column is driven by a main power motor, which is embedded inside the base. Four sets of flip-clamping shielding components are evenly distributed on the circumference of the main rotating column and are respectively located in the feeding area, the spraying area, the baking area, and the discharging area. A feeding mechanism is connected to the outer wall of the base and is located in the feeding area. A shielding cover is provided on the upper part of the base, covering the spraying area and the baking area. A lifting interval mechanism is movably provided on the upper part of the shielding cover. The base is divided into a loading area, a spraying area, a baking area, and a unloading area along the circumference by a lifting and spacing mechanism. The wheels are then sequentially supported and transported to the loading area, spraying area, baking area, and unloading area by a flip-clamping shielding assembly, thus completing the entire process of loading, painting, baking, cooling, and unloading of the EMU wheels, improving painting efficiency and automation level.

[0006] Furthermore, the flip-clamping shielding assembly includes a rotating motor, a bidirectional telescopic column, a power clamping mechanism, and a follower clamping mechanism. The rotating motor is evenly distributed within the main rotating column along the circumferential direction. The bidirectional telescopic column is located at the output end of the rotating motor and is rotatably mounted on the main rotating column. The bidirectional telescopic column adopts a synchronous bidirectional electric telescopic cylinder. The power clamping mechanism and the follower clamping mechanism are respectively located on the telescopic ends of the bidirectional telescopic column. A first baffle is installed on the power clamping mechanism, and a second baffle is installed on the follower clamping mechanism. The first baffle and the second baffle are arranged opposite to each other. The first baffle and the second baffle completely shield the wheel-mounted brake discs on both sides of the wheel to prevent paint adhesion during painting. Furthermore, the lifting-type partition mechanism includes partition doors, a winding motor, and a lifting steel rope. The partition doors are slidably mounted on the shielding cover. There are three partition doors, with adjacent partition doors forming a 90-degree angle. The three partition doors are respectively located between the loading area and the spraying area, between the spraying area and the baking area, and between the baking area and the unloading area. The winding motor is located on the upper side wall of the shielding cover and on one side of the partition door. The output end of the winding motor is equipped with a winding wheel. The lifting steel rope is wound on the winding wheel, and the end of the lifting steel rope is connected to the lower end of the partition door. The partition doors separate the loading area, the spraying area, the baking area, and the unloading area. When the wheel is rotating, the winding motor starts, the winding wheel rotates, and the lifting steel rope is wound up, lifting the partition door. During the spraying and baking operations, the winding wheel rotates to release the lifting steel rope, lowering the partition door.

[0007] Furthermore, the power clamping mechanism includes a power housing, a rotating motor, a rotating ring, and a first mounting ring. The power housing is located on one output end of the bidirectional telescopic column, the rotating motor is located on the side wall of the power housing, and the output end of the rotating motor is provided with a power wheel, which is rotatably located inside the power housing. The rotating ring is rotatably located inside the power housing, and a transmission belt is wound between the power wheel and the rotating ring. The first mounting ring is located on the rotating ring and is rotatably located on the side of the power housing near the follower clamping mechanism. The follower clamping mechanism includes a follower frame and a second mounting ring. The follower frame is located on the other output end of the bidirectional telescopic column, and the second mounting ring is rotatably located on the side of the follower frame near the first mounting ring. Both the follower frame and the power housing are provided with clearance holes, and the clearance holes, the first mounting ring, and the second mounting ring are concentrically arranged. Preferably, the first baffle is mounted on the first mounting ring by screws, the second baffle is mounted on the second mounting ring by screws, and electromagnetic rings are provided on the opposite sidewalls of the first baffle and the second baffle; In use, when the flip-clamping shielding assembly is in the loading area, the bidirectional telescopic column extends horizontally and is in its extended state. When the wheel moves to be concentric with the clearance through hole, the bidirectional telescopic column retracts, causing the power clamping mechanism and the follow-up clamping mechanism to move relative to each other until the first baffle and the second baffle are pressed against the brake discs on both sides of the wheel. At this time, the electromagnetic rings on the first and second baffles are energized and generate magnetism, attracting them to the wheel. The first and second baffles, magnetically attracted to the wheel, form a whole with the wheel, increasing the stability of the power clamping mechanism and the follow-up clamping mechanism in holding the wheel. When the flip-grip masking assembly is in the spraying area, the rotating motor starts, causing the bidirectional telescopic column to rotate 90 degrees, positioning the follow-up clamping mechanism below and the power clamping mechanism above, with the wheel in a horizontal position. The weight of the wheel is mainly borne by the follow-up clamping mechanism. During painting, the rotating motor starts, driving the power wheel to rotate. The power wheel drives the rotating ring to rotate via the transmission belt, which in turn causes the first mounting ring to rotate. The first baffle mounted on the first mounting ring drives the wheel to rotate, causing the first baffle, the second baffle, and the wheel to rotate as a whole. The second mounting ring follows the second baffle as it rotates on the follow-up frame, ensuring even painting.

[0008] Furthermore, the inner side of the base is provided with a dust collection trough and a paint trough, respectively. The dust collection trough is located in the loading area, and the paint trough is located in the spraying area. The upper part of the opening of the dust collection trough is symmetrically provided with a dust collection ramp. The symmetrical dust collection ramp is inclined with a cleaning telescopic plate near the main rotating column. The cleaning telescopic plate is provided with a spring inside. The telescopic end of the cleaning telescopic plate is provided with bristles. Air blowing ports are symmetrically provided on both sides of the bristles. An air pump is provided on the side wall of the cleaning telescopic plate. The output end of the air pump is connected to the air blowing ports. When the wheel is loaded, the cleaning telescopic plate extends and retracts adaptively, so that the bristles fit against the edge of the wheel. When the wheel rotates in the loading area, the bristles continuously clean the impurities on the edge of the wheel. At the same time, the air pump is activated and blows air to both sides of the wheel through the inclined air blowing ports to blow away the dust on it. The swept-off impurities fall into the base through the dust collection trough, avoiding the impurities on the wheel from affecting the painting effect.

[0009] Furthermore, a spraying frame is provided on the side wall of the shielding cover, and the spraying frame is located in the spraying area. A liquid pump is connected to the lower part of the spraying frame, and the liquid inlet of the liquid pump is located in the paint tank. The spraying frame is provided with a nozzle, which is located inside the shielding cover and faces the flip-clamping shielding assembly in the spraying area. Three nozzles are arranged vertically, with the upper and lower nozzles being inclined. The middle nozzle sprays the wheel rim, and the upper and lower inclined nozzles spray the sides of the wheel spokes. Baking rods are evenly distributed on the inner side wall of the shielding cover, and the baking rods are located in the baking area. Heating rods are evenly distributed in the baking area, and the heating rods are embedded in the base. The baking rods and heating rods are 1KW far-infrared coated metal heating tubes.

[0010] Furthermore, the upper ends of the three partition doors are connected to connecting plates, which are movably positioned above the shielding cover. A suction pump is provided on the upper part of the connecting plate, and the inlet end of the suction pump is connected to the paint tank through a hose. The output end of the suction pump is provided with a spray bar, which penetrates the connecting plate and the shielding cover. The spray bar is J-shaped. When the lower end of the partition door contacts the upper wall of the base, the lower end of the spray bar extends into the inside of the flip-clamping shielding assembly in the spraying area, thereby spraying the inside of the wheel.

[0011] Furthermore, the feeding mechanism includes a hydraulic telescopic column and a bearing block. The hydraulic telescopic column is located on the side wall of the base, and its telescopic end is movably located within the feeding area. The bearing block is installed on the telescopic end of the hydraulic telescopic column and moves above the dust collection trough. The upper part of the bearing block is provided with a material-carrying arc groove. The unloading area is provided with a unloading ramp, which is located on the base. A baffle plate is provided on the side of the unloading ramp near the feeding mechanism. The unloading ramp is located below the flip-clamping shielding assembly within the unloading area.

[0012] Preferably, the base is equipped with a main controller, which is a PLC controller. The main power motor, hydraulic telescopic column, air pump, heating rod, baking rod, rotating motor, bidirectional telescopic column, rotating motor, electromagnetic ring, liquid pump, suction pump and winding motor are all electrically connected to the main controller and uniformly controlled by the PLC controller. The painting time, baking time and cooling time are set in advance, and the longest time is used as the time node for driving the main power motor. The degree of automation is high, ensuring the safety of workers and making it convenient to use.

[0013] The beneficial effects achieved by the present invention using the above structure are as follows: 1. The present invention provides a painting device for wheel-mounted brake discs of high-speed trains, which adopts the principle of pre-action. The base is divided into a loading area, a spraying area, a baking area and a unloading area through a partition door. The longest time among the spraying time, baking time and cooling time is used as the time node for the main power motor to drive. Through the synchronous and coordinated work of the flip-clamping shielding component, hydraulic telescopic column, air pump, winding motor, suction pump, liquid pump, heating rod and baking rod, the entire process of loading, spraying, baking, cooling and unloading of high-speed train wheels is carried out. The device has a high degree of automation and improves the painting efficiency. 2. A flip-grip shielding component is installed to support and transport the train wheels during the loading, painting, baking, cooling, and unloading processes. Before painting, the wheel is rotated to continuously clean the edges and sides of the wheel with a cleaning telescopic plate, preventing impurities from affecting the painting effect. During painting, the wheel is flipped to a horizontal position and rotated in conjunction with the spray nozzle and spray bar to ensure even and comprehensive painting. When unloading the wheel, it is flipped back to a vertical position to facilitate rolling out. It is easy to use and continuously protects the friction surface of the wheel-mounted brake disc throughout the entire process of loading, painting, baking, cooling, and unloading the train wheels. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a painting device for wheel-mounted brake discs of high-speed trains provided by the present invention; Figure 2 A top view of a high-speed train wheel brake disc painting device provided by the present invention; Figure 3 A schematic diagram of the combined structure of the base, the feeding mechanism, and the unloading ramp; Figure 4 for Figure 3 A magnified schematic diagram of the local structure at point A; Figure 5 This is a schematic diagram of the flip-clamp type shielding assembly. Figure 6 Top view of the flip-clamping shielding component; Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure at point BB; Figure 8 A schematic diagram of the combined structure of the base, main rotating column, flip-clamping shielding assembly, shielding cover, unloading ramp and spraying rack; Figure 9 This is a schematic diagram of the lifting-type interval mechanism.

[0015] The components include: 1. Base; 2. Main rotating column; 3. Flip-type clamping shielding assembly; 4. Feeding mechanism; 5. Shielding cover; 6. Lifting interval mechanism; 7. Feeding area; 8. Spraying area; 9. Baking area; 10. Unloading area; 11. Dust collection trough; 12. Paint trough; 13. Dust collection ramp; 14. Cleaning telescopic plate; 15. Brush bristles; 16. Air outlet; 17. Air pump; 18. Hydraulic telescopic column; 19. Bearing block; 20. Material loading arc groove; 21. Unloading ramp; 22. Baffle plate; 23. Heating rod; 24. Rotating motor; 25. 26. Bidirectional telescopic column; 27. Power clamping mechanism; 28. Follower clamping mechanism; 29. ​​First baffle; 20. Second baffle; 31. Power housing; 32. Rotary motor; 33. Power wheel; 34. Rotating ring; 35. Transmission belt; 36. First mounting ring; 37. Follower frame; 38. Second mounting ring; 39. Spraying frame; 40. Liquid pump; 41. Spray nozzle; 42. Baking rod; 43. Spacing door; 44. Connecting plate; 45. Rewinding motor; 46. Rewinding wheel; 47. Lifting steel rope; 48. Suction pump; 49. Spray bar. Detailed Implementation

[0016] The technical solution of the present invention will be further described in detail below with reference to specific embodiments. The parts of the technical features or connection relationships described in the present invention that are not described in detail are all existing technologies.

[0017] The present invention will be further described in detail below with reference to the accompanying drawings.

[0018] like Figures 1-9 As shown, the present invention provides a painting device for wheel-mounted brake discs of high-speed trains, including a base 1. The base 1 is evenly divided into a loading area 7, a spraying area 8, a baking area 9, and a unloading area 10 along the circumference. A main rotating column 2 is rotatably mounted at the upper center of the base 1. The main rotating column 2 is driven by a main power motor, which is embedded inside the base 1. Four sets of flip-clamping shielding components 3 are evenly distributed around the circumference of the main rotating column 2, and are respectively located in the loading area 7, the spraying area 8, and the unloading area 10. Within the baking zone 9 and the unloading zone 10, a feeding mechanism 4 is connected to the outer wall of the base 1. The feeding mechanism 4 is located in the feeding zone 7. A shielding cover 5 covers the upper part of the base 1, which in turn covers the spraying zone 8 and the baking zone 9. A lifting-type spacing mechanism 6 is movably provided on the upper part of the shielding cover 5. A flip-clamping shielding assembly 3 clamps the wheels and keeps them vertical within the feeding zone 7 and the unloading zone 10 for easy transport. Within the spraying zone 8 and the baking zone 9, the wheels are horizontal for easy paint spraying.

[0019] The inner side of the base 1 is provided with a dust collection trough 11 and a paint trough 12. The dust collection trough 11 is located in the feeding area 7, and the paint trough 12 is located in the spraying area 8. The upper part of the opening of the dust collection trough 11 is provided with a symmetrical dust falling slope 13. The end of the symmetrical dust falling slope 13 near the main rotating column 2 is provided with a cleaning telescopic plate 14. The cleaning telescopic plate 14 is provided with a spring inside and the cleaning telescopic plate 14 is elastically telescopic. The telescopic end of the cleaning telescopic plate 14 is provided with bristles 15. The two sides of the bristles 15 are provided with air blowing ports 16. The side wall of the cleaning telescopic plate 14 is provided with an air pump 17. The output end of the air pump 17 is connected to the air blowing port 16.

[0020] The feeding mechanism 4 includes a hydraulic telescopic column 18, which is located on the side wall of the base 1. The telescopic end of the hydraulic telescopic column 18 is movably located in the feeding area 7. A bearing block 19 is installed on the telescopic end of the hydraulic telescopic column 18. The bearing block 19 moves above the dust collection trough 11. A material loading arc groove 20 is provided on the upper part of the bearing block 19. The bearing block 19 is detachable and replaceable. Its size is selected according to the wheel specifications. The material loading arc groove 20 fits the wheel flange. A material unloading ramp 21 is provided in the unloading area 10. The material unloading ramp 21 is located on the base 1. A baffle plate 22 is provided on the side of the material unloading ramp 21 near the feeding mechanism 4. The material unloading ramp 21 is located below the flip-clamping shielding assembly 3 in the unloading area 10.

[0021] The flip-grip type shielding assembly 3 includes a rotary motor 24, which is evenly distributed around the main rotating column 2 along the circumferential direction. A bidirectional telescopic column 25 is provided at the output end of the rotary motor 24, rotatably mounted on the main rotating column 2. The bidirectional telescopic column 25 employs a synchronous bidirectional electric telescopic cylinder. A power clamping mechanism 26 and a follow-up clamping mechanism 27 are respectively provided on the two telescopic ends of the bidirectional telescopic column 25. The power clamping mechanism 26 includes a power housing 30, which is located on one output end of the bidirectional telescopic column 25. A rotary motor 31 is provided on the side wall of the power housing 30. A power wheel 32 is provided at the output end of the rotary motor 31, rotatably mounted inside the power housing 30. A rotating ring 33 is rotatably mounted inside the power housing 30, and a transmission mechanism is wound around the power wheel 32 and the rotating ring 33. The moving belt 34 has a rotating ring 33 with a first mounting ring 35. The first mounting ring 35 is rotatably mounted on the side of the power housing 30 near the follower clamping mechanism 27. The follower clamping mechanism 27 includes a follower frame 36 and a second mounting ring 37. The follower frame 36 is mounted on the output end of the other side of the bidirectional telescopic column 25. The second mounting ring 37 is rotatably mounted on the side of the follower frame 36 near the first mounting ring 35. Both the follower frame 36 and the power housing 30 have through holes. The through holes, the first mounting ring 35, and the second mounting ring 37 are concentrically arranged. A first baffle 28 is mounted on the first mounting ring 35 by screws. A second baffle 29 is mounted on the second mounting ring 37 by screws. The first baffle 28 and the second baffle 29 are arranged opposite to each other. Electromagnetic rings are provided on the opposite sidewalls of the first baffle 28 and the second baffle 29.

[0022] The lifting-type spacing mechanism 6 includes a spacing door 42, a winding motor 44, and a lifting steel rope 46. The spacing door 42 is slidably mounted on the shielding cover 5. There are three spacing doors 42, with adjacent spacing doors forming a 90-degree angle. The three spacing doors 42 are respectively located between the loading area 7 and the spraying area 8, between the spraying area 8 and the baking area 9, and between the baking area 9 and the unloading area 10. The winding motor 44 is located on the upper side wall of the shielding cover 5, on one side of the spacing door 42. The output end of the winding motor 44 is equipped with a winding wheel 45, and the lifting steel rope 46 is wound around the winding wheel. On 45, the end of the lifting steel rope 46 is connected to the lower end of the partition door 42; the upper ends of the three partition doors 42 are connected to the connecting plate 43, which is movably positioned above the shielding cover 5. The upper part of the connecting plate 43 is equipped with a suction pump 47, the inlet end of the suction pump 47 is connected to the paint tank 12 through a hose, and the output end of the suction pump 47 is equipped with a spray bar 48, which passes through the connecting plate 43 and the shielding cover 5. The spray bar 48 is J-shaped. When the lower end of the partition door 42 contacts the upper wall of the base 1, the lower end of the spray bar 48 extends into the inside of the flip-clamping shielding assembly 3 in the spraying area 8.

[0023] A spraying rack 38 is provided on the side wall of the masking cover 5. The spraying rack 38 is located in the spraying area 8. A liquid pump 39 is connected to the lower part of the spraying rack 38. The liquid inlet end of the liquid pump 39 is located in the paint tank 12. A nozzle 40 is provided on the spraying rack 38. The nozzle 40 is located inside the masking cover 5 and faces the flip-clamping masking assembly 3 in the spraying area 8. Three nozzles 40 are arranged vertically. The upper and lower nozzles 40 are inclined. The middle nozzle 40 sprays the wheel rim, and the upper and lower inclined nozzles 40 spray the two sides of the wheel spokes. The J-shaped spray bar 48 can extend into the inside of the wheel for spraying. Baking rods 41 are evenly distributed on the inner side wall of the masking cover 5. The baking rods 41 are located in the baking area 9. Heating rods 23 are evenly distributed in the baking area 9. The heating rods 23 are embedded in the base 1.

[0024] The base 1 is equipped with a main controller, which is a PLC controller. The main power motor, hydraulic telescopic column 18, air pump 17, heating rod 23, baking rod 41, rotating motor 24, bidirectional telescopic column 25, rotating motor 31, electromagnetic ring, liquid pump 39, suction pump 47 and winding motor 44 are electrically connected to the main controller.

[0025] Working principle and workflow: In practical use, the operator injects paint into the paint tank 12. At this time, the take-up reel 45 fully retracts the lifting steel cable 46, causing the partition door 42 to move upward, exposing the internal structure of the shielding cover 5. The spray bar 48 then moves upward as well. Subsequently, the painting time, baking time, and cooling time are input into the main controller, and the longest of these times is used as the time node for the main power motor to drive. Next, the operator installs a bearing block 19 corresponding to the specifications of the wheel to be painted on the output end of the hydraulic telescopic column 18 with bolts, and installs a first baffle 28 on the first mounting ring 35 and a second baffle 29 on the second mounting ring 37 with bolts. During installation, the first mounting ring 35 and the second mounting ring 37 can be rotated manually. The dimensions of the first baffle 28 and the second baffle 29 match the dimensions of the wheel-mounted brake disc.

[0026] The wheel is placed in the loading arc groove 20 of the support block 19 by hoisting. At this time, the flip-clamping shielding component 3 in the loading area 7 is facing the support block 19. The extension direction of the bidirectional telescopic column 25 is horizontal, and the bidirectional telescopic column 25 is in the extended state. Then, the hydraulic telescopic column 18 is activated, which causes the support block 19 to drive the wheel to move towards the main rotating column 2. When the wheel moves to be concentric with the clearance through hole, the bidirectional telescopic column 25 retracts, causing the power clamping mechanism 26 and the follow-up clamping mechanism 27 to move relative to each other until the first baffle 28 and the second baffle 28 are aligned. Plates 29 are pressed and adhered to the brake discs on both sides of the wheel. At this time, the electromagnetic rings on the first baffle 28 and the second baffle 29 are energized and generate magnetism, adsorbing onto the wheel. The first baffle 28 and the second baffle 29, which are magnetically attracted to the wheel, form an integral whole with the wheel, increasing the stability of the wheel clamping mechanism 26 and the follow-up clamping mechanism 27. Subsequently, the hydraulic telescopic column 18 retracts and the bearing block 19 resets to receive the next wheel to be painted. During this process, the cleaning telescopic plate 14 extends and retracts adaptively, so that the bristles 15 adhere to the edge of the wheel.

[0027] The wheel, held vertically by the power clamping mechanism 26 and the follower clamping mechanism 27, is started by the rotating motor 31, which drives the power wheel 32 to rotate. The power wheel 32 drives the rotating ring 33 to rotate through the transmission belt 34, which in turn causes the first mounting ring 35 to rotate. The first baffle 28 mounted on the first mounting ring 35 drives the wheel to rotate, causing the first baffle 28, the second baffle 29 and the wheel to rotate as a whole. The second mounting ring 37 follows the second baffle 29 to rotate on the follower frame 36. During the rotation of the wheel, the brush bristles 15 continuously clean the impurities on the edge of the wheel. At the same time, the air pump 17 is started, blowing air to both sides of the wheel through the inclined air nozzle 16 to blow away the dust. The swept impurities fall into the base 1 through the dust collection groove 11 to avoid the impurities on the wheel from affecting the painting effect. After cleaning is completed, the rotating motor 31 stops rotating, and the wheel is ready to be painted.

[0028] The main controller starts the main power motor, and the flip-grip shielding assembly 3 clamps the wheel and rotates it into the spraying area 8. At the same time, the rotary motor 24 starts, causing the bidirectional telescopic column 25 to rotate 90 degrees, so that the follow-up clamping mechanism 27 is below and the power clamping mechanism 26 is above, and the wheel is in a horizontal state. The weight of the wheel is mainly borne by the follow-up clamping mechanism 27. At this time, the nozzle 40 in the middle position is opposite to the wheel rim, and the two inclined nozzles 40 are opposite to the two sides of the wheel spokes respectively. Then the winding motor 44 starts, and the winding wheel 45 rotates to release the lifting steel rope 46. Under the gravity of the partition door 42, the three partition doors 42 between the loading area 7 and the spraying area 8, between the spraying area 8 and the baking area 9, and between the baking area 9 and the unloading area 10 fall simultaneously, isolating the upper and lower parts of the wheel. The material area 7, spraying area 8, baking area 9, and unloading area 10 are connected. The spray bar 48 moves downwards, and the nozzle of the spray bar 48 moves to the inside of the wheel. The timing control module of the main controller starts the paint spraying timer. The liquid pump 39 and suction pump 47 start simultaneously. The liquid pump 39 draws paint from the spray frame 38 and sprays it out through the nozzle 40. The three nozzles 40 spray paint on the wheel rim and both sides of the wheel spokes respectively. The suction pump 47 draws paint from the spray bar 48 and sprays it out through the nozzle. The spray bar 48 sprays paint on the inside of the wheel. During this process, the rotating motor 31 starts and drives the wheel to rotate again to ensure the uniformity of the paint spraying. Excess paint can fall directly into the paint tank 12. After the paint spraying timer ends, the liquid pump 39, suction pump 47, and rotating motor 31 stop working and wait for the main power motor to respond.

[0029] When the timing control module of the main controller issues a command, the take-up motor 44 starts again, the take-up wheel 45 takes up the lifting steel rope 46, and lifts the partition door 42. Then the main power motor starts, the main rotating column 2 rotates 90 degrees, and the painted wheel is transferred to the baking area 9. Then the take-up wheel 45 releases the line and lowers the partition door 42 again to separate the painting area 8 from the baking area 9. After the painted wheel enters the baking area 9, the heating rod 23 and the baking rod 41 start and bake at high temperature on the wheel position to accelerate the drying and curing of the paint on the wheel surface until the set baking time is reached. Then the heating rod 23 and the baking rod 41 stop working. When the timing control module of the main controller issues another command, the winding wheel 45 winds up the lifting steel rope 46, lifting the partition door 42. Then the main power motor starts, the main rotating column 2 rotates 90 degrees again, and the rotating motor 24 starts, causing the flip-clamping shielding component 3 to clamp the wheel and rotate it into the unloading area 10 and into a vertical position. At this time, the timing control module of the main controller starts the cooling time, allowing the wheel to cool naturally. After the wheel has completely cooled down, the bidirectional telescopic column 25 runs, and the power clamping mechanism 26 and the follow-up clamping mechanism 27 simultaneously release the wheel. The wheel falls naturally onto the unloading ramp 21 and rolls down from the unloading ramp 21 onto the conveyor belt of the subsequent process, completing the unloading.

[0030] The above process describes the sequential passage of a single wheel through the loading area 7, spraying area 8, baking area 9, and unloading area 10 under the support of the flip-grip masking assembly 3. In actual use, the four sets of flip-grip masking assemblies 3 work simultaneously, using the longest of the painting time, baking time, and cooling time as the time node for the main power motor drive. The hydraulic telescopic column 18, air pump 17, winding motor 44, suction pump 47, liquid pump 39, heating rod 23, baking rod 41, and flip-grip masking assembly 3 work synchronously and collaboratively to perform the entire process of loading, painting, baking, cooling, and unloading of the wheel. The degree of automation is high, which improves the painting efficiency.

[0031] It is worth noting that the control program settings in the main controller and the extension and retraction of the hydraulic telescopic column 18 can be set according to requirements. The use of the nozzle 40, spray bar 48, heating rod 23 and baking rod 41 are all existing technologies, and will not be described in detail here.

[0032] The above is the overall workflow of this invention. Simply repeat this process the next time you use it.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A painting device for wheel-mounted brake discs of high-speed trains, comprising a base (1), characterized in that: The base (1) is divided into a loading area (7), a spraying area (8), a baking area (9) and a unloading area (10) along the circumferential direction. A main rotating column (2) is rotatably provided at the upper center of the base (1). A flip-gripping shielding component (3) is evenly distributed around the circumference of the main rotating column (2). A loading mechanism (4) is connected to the outer side wall of the base (1). The loading mechanism (4) is located in the loading area (7). A shielding cover (5) is provided on the upper part of the base (1). The shielding cover (5) covers the spraying area (8) and the baking area (9). A lifting interval mechanism (6) is movably provided on the upper part of the shielding cover (5). The flip-grip shielding assembly (3) includes a rotating motor (24), a bidirectional telescopic column (25), a power clamping mechanism (26), and a follower clamping mechanism (27). The rotating motor (24) is evenly distributed in the main rotating column (2) along the circumferential direction. The bidirectional telescopic column (25) is located at the output end of the rotating motor (24) and is rotatably mounted on the main rotating column (2). The power clamping mechanism (26) and the follower clamping mechanism (27) are respectively located on the telescopic ends of the bidirectional telescopic column (25). A first baffle (28) is installed on the power clamping mechanism (26), and a second baffle (29) is installed on the follower clamping mechanism (27). The first baffle (28) and the second baffle (29) are arranged opposite to each other. The lifting-type interval mechanism (6) includes an interval door (42), a winding motor (44), and a lifting steel rope (46). The interval door (42) is slidably mounted on the shielding cover (5). There are three interval doors (42), and adjacent interval doors (42) are at a 90-degree angle to each other. The three interval doors (42) are respectively located between the loading area (7) and the spraying area (8), between the spraying area (8) and the baking area (9), and between the baking area (9) and the unloading area (10). The winding motor (44) is located on the upper side wall of the shielding cover (5). The winding motor (44) is located on one side of the interval door (42). The output end of the winding motor (44) is provided with a winding wheel (45). The lifting steel rope (46) is wound on the winding wheel (45). The end of the lifting steel rope (46) is connected to the lower end of the interval door (42).

2. The painting device for wheel-mounted brake discs of high-speed trains according to claim 1, characterized in that: The power clamping mechanism (26) includes a power housing (30), a rotating motor (31), a rotating ring (33), and a first mounting ring (35). The power housing (30) is located on one output end of the bidirectional telescopic column (25). The rotating motor (31) is located on the side wall of the power housing (30). The output end of the rotating motor (31) is provided with a power wheel (32). The power wheel (32) is rotatably located inside the power housing (30). The rotating ring (33) is rotatably located inside the power housing (30). A transmission belt (34) is wound between the power wheel (32) and the rotating ring (33). The first mounting ring (35) is located on the rotating ring (33) and is rotatably located on the side of the power housing (30) near the follow-up clamping mechanism (27).

3. The painting device for wheel-mounted brake discs of high-speed trains according to claim 2, characterized in that: The follower clamping mechanism (27) includes a follower frame (36) and a second mounting ring (37). The follower frame (36) is located on the other output end of the bidirectional telescopic column (25), and the second mounting ring (37) is rotatably located on the side of the follower frame (36) close to the first mounting ring (35). Both the follower frame (36) and the power housing (30) are provided with clearance through holes, and the clearance through holes, the first mounting ring (35) and the second mounting ring (37) are concentrically arranged.

4. The painting device for wheel-mounted brake discs of high-speed trains according to claim 3, characterized in that: The first baffle (28) is mounted on the first mounting ring (35) by screws, and the second baffle (29) is mounted on the second mounting ring (37) by screws. Electromagnetic rings are provided on the opposite sidewalls of the first baffle (28) and the second baffle (29).

5. A painting device for wheel-mounted brake discs of high-speed trains according to claim 4, characterized in that: The base (1) is provided with a dust collection trough (11) and a paint trough (12) on its inner side. The dust collection trough (11) is located in the loading area (7), and the paint trough (12) is located in the spraying area (8). The upper part of the opening of the dust collection trough (11) is provided with a symmetrical dust falling slope (13). The symmetrical dust falling slope (13) is provided with a cleaning telescopic plate (14) at one end near the main rotating column (2). The cleaning telescopic plate (14) is provided with a spring inside. The telescopic end of the cleaning telescopic plate (14) is provided with bristles (15). The two sides of the bristles (15) are provided with air blowing ports (16) at an angle. The side wall of the cleaning telescopic plate (14) is provided with an air pump (17). The output end of the air pump (17) is connected to the air blowing port (16).

6. The painting device for wheel-mounted brake discs of high-speed trains according to claim 5, characterized in that: The shielding cover (5) is provided with a spraying rack (38) on its side wall. The spraying rack (38) is located in the spraying area (8). The lower part of the spraying rack (38) is connected to a liquid pump (39). The liquid inlet of the liquid pump (39) is located in the paint tank (12). The spraying rack (38) is provided with a nozzle (40). The nozzle (40) is located inside the shielding cover (5) and faces the flip-clamping shielding assembly (3) in the spraying area (8). Baking rods (41) are evenly distributed on the inner side wall of the shield (5). The baking rods (41) are located in the baking area (9). Heating rods (23) are evenly distributed in the baking area (9). The heating rods (23) are embedded in the base (1).

7. A painting device for wheel-mounted brake discs of high-speed trains according to claim 6, characterized in that: The upper ends of the three partition doors (42) are connected to a connecting plate (43). The connecting plate (43) is movably positioned above the shielding cover (5). The upper part of the connecting plate (43) is equipped with a suction pump (47). The inlet end of the suction pump (47) is connected to the paint tank (12) through a hose. The output end of the suction pump (47) is equipped with a spray bar (48). The spray bar (48) passes through the connecting plate (43) and the shielding cover (5). The spray bar (48) is J-shaped. When the lower end of the partition door (42) contacts the upper wall of the base (1), the lower end of the spray bar (48) extends into the inside of the flip-clamping shielding assembly (3) in the spraying area (8).

8. A painting device for wheel-mounted brake discs of high-speed trains according to claim 7, characterized in that: The feeding mechanism (4) includes a hydraulic telescopic column (18) and a bearing block (19). The hydraulic telescopic column (18) is located on the side wall of the base (1). The telescopic end of the hydraulic telescopic column (18) is movably located in the feeding area (7). The bearing block (19) is installed on the telescopic end of the hydraulic telescopic column (18). The bearing block (19) moves above the dust collection trough (11). The upper part of the bearing block (19) is provided with a material loading arc groove (20). The unloading area (10) is provided with an unloading ramp (21), which is located on the base (1). The unloading ramp (21) is provided with a baffle plate (22) on the side of the unloading ramp (21) close to the loading mechanism (4). The unloading ramp (21) is located below the flip-clamping shielding component (3) in the unloading area (10).

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