A DC brushless motor surface insulating paint spraying device

Abstract

The invention belongs to the technical field of insulating paint spraying, and specifically is a device for spraying insulating paint on the surface of a brushless DC motor, comprising a workbench, wherein two recovery grooves are symmetrically arranged on the upper end surface of the workbench, and the inner cavities of the two recovery grooves are interconnected, a liquid discharge port is arranged at the bottom of the inner cavity of the recovery groove, and a mounting plate is installed inside the upper end surface of the workbench; the invention solves the problem that an operator controls a nozzle to be close to a winding group of a motor stator and then drives the rotation of the motor stator to realize dripping insulating paint on the winding group of the motor stator, if the operator controls the nozzle too close to the winding group of the motor stator, the insulating paint will be dripped too thickly, otherwise it will be sprayed too thinly if it is too far away, although the winding group of the motor stator needs to be dripped for multiple turns, if a single part of the winding group of the motor stator is dripped too thickly, it will affect the uniformity of dripping insulating paint on the entire motor stator winding group, resulting in the problem that the thermal conductivity and electromagnetic strength of the finished motor do not meet the standards.

Description

Technical Field

[0001] The invention belongs to the technical field of insulating paint spraying, in particular to a device for spraying insulating paint on the surface of a brushless DC motor. Background Art

[0002] The insulation treatment of brushless DC motor is to spray a certain amount of insulating paint on the surface of the motor stator winding group. At the same time, the insulating paint slowly penetrates into the motor stator winding group by its own fluidity, and forms a dense, smooth and complete paint film on the surface of the winding group, so that the entire winding is insulated to improve the heat resistance, thermal conductivity, electromagnetic strength and mechanical strength of the entire insulation structure. The medium corrosion, and then the motor stator is installed in the brushless motor housing to make the output of the entire brushless motor more stable.

[0003] At present, when a conventional insulating paint spraying device sprays insulating paint on a brushless DC motor, the winding group of the motor stator is usually clamped and fixed by a clamping mechanism, and the motor stator is driven to rotate at a uniform speed, and then the spray head is controlled to be close to the winding group of the motor stator. During the rotation of the motor stator, the insulating paint is evenly dripped on the winding group of the motor stator by the spray head.

[0004] The above-mentioned prior art still has some problems in actual use. Since the nozzle is controlled by the operator to be close to the winding group of the motor stator and then drive the rotation of the motor stator to realize the dripping of insulating paint on the winding group of the motor stator, if the operator controls the nozzle too close to the winding group of the motor stator, the insulating paint will be dripped too thickly, otherwise it will be sprayed too thinly if it is too far away. Although the winding group of the motor stator needs to be dripped for multiple turns, if a single part of the winding group of the motor stator is dripped too thickly, it will affect the uniformity of the dripping of insulating paint on the entire motor stator winding group, causing the thermal conductivity and electromagnetic strength of the finished motor to fail to meet the standards.

[0005] To this end, the present invention provides a device for spraying insulating paint on the surface of a brushless DC motor. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve the technical problem is as follows: a DC brushless motor surface insulating paint spraying device described in the present invention comprises a workbench, two recovery grooves are symmetrically arranged on the upper end surface of the workbench, and the inner cavities of the two recovery grooves are interconnected, and a drainage port is arranged at the bottom of the inner cavity of the recovery groove, a mounting plate is installed inside the upper end surface of the workbench, an annular fixing frame is fixedly connected to the upper end surface of the mounting plate, and spraying components are installed on both sides of the annular fixing frame;

[0008] The spraying assembly includes two synchronous push rods installed on both sides of the annular fixing frame, the piston rod ends of the two synchronous push rods are fixedly connected to a support plate, a threaded sleeve is rotatably connected to the upper end of the support plate, and a screw barrel is threadedly connected to the inner cavity of the threaded sleeve, and a spray head is installed at the lower end of the screw barrel;

[0009] The inner cavity of the annular fixing frame is provided with a hydraulic push rod, the piston rod end of the hydraulic push rod is rotatably connected to a support plate, a bracket is installed on the upper end of the support plate, and the bracket is used to support and place the motor stator.

[0010] Preferably, a micro motor is installed inside the lower end of the support plate, a gear is fixedly connected to the output shaft end of the micro motor, gear blocks are evenly arranged on the outside of the threaded sleeve, and the gear cooperates with the gear block to mesh with the threaded sleeve.

[0011] Preferably, a coating plate is fixedly connected to the outside of the screw cylinder, and T-shaped slide columns are slidably connected on both sides of the lower end of the coating plate, the lower end of the T-shaped slide column is fixedly connected to a trowel plate, and a brush is provided at the lower end of the trowel plate, and tension springs are fixedly connected to both sides of the upper end of the coating plate, and the tension springs are fixedly connected to the T-shaped slide column.

[0012] Preferably, a fixing frame is installed on the upper end of the annular fixing frame, and a storage tank is fixedly connected to the upper end surface of the fixing frame, and the storage tank is used to store insulating paint for spraying, and two limit rings are symmetrically fixedly connected to the lower end of the fixing frame, and the inner cavities of the two limit rings are both installed with conduits, and one end of the conduit is connected to the storage tank, and the other end is fixedly connected to the screw barrel.

[0013] Preferably, the inner cavity of the annular fixing frame is rotatably connected to a rotating frame, the outer portion of the rotating frame is located in the inner cavity of the annular fixing frame and fixedly connected to two gear rings, and a placement opening is provided on one side of the rotating frame for placing the motor to be sprayed.

[0014] Preferably, a groove is provided on the upper end surface of the mounting plate, a servo motor is arranged in a side wall of the inner cavity of the groove, and a driven pulley is fixedly connected to the output shaft end of the servo motor, and the driven pulley is transmission-connected to a belt, and two transmission pulleys are transmission-connected at both ends of the belt, and the two transmission pulleys are used to drive the rotating frame.

[0015] Preferably, two transmission toothed discs are fixedly connected to the outside of the two transmission pulleys, and the two transmission toothed discs are meshingly connected to the gear ring, and the inner cavity of the groove is rotatably connected to a limiting pulley, and the limiting pulley is used to limit the transmission belt.

[0016] Preferably, a slide groove is provided at the upper end of the bracket, a bidirectional threaded rod is rotatably connected to the inner cavity of the slide groove, two clamping blocks are externally threadedly connected to the bidirectional threaded rod, and a rubber anti-slip pad is provided between the two clamping blocks, and the hydraulic push rod is fixedly connected to the rotating frame.

[0017] Preferably, a fixing cylinder is provided in the upper wall of the inner cavity of the rotating frame, a receiving groove is opened at the lower end of the fixing cylinder, a spring is fixedly connected to the bottom of the inner cavity of the receiving groove, one end of the spring is fixedly connected to a T-shaped sliding rod, one end of the T-shaped sliding rod is fixedly connected to a pressing plate, and a non-slip rubber pad is provided on the lower end surface of the pressing plate.

[0018] Preferably, a mounting frame is fixedly connected to one side of the upper end surface of the workbench, and a control console is installed on the upper end of the mounting frame.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The device for spraying insulating paint on the surface of a brushless DC motor of the present invention drives the spray assembly to clean the winding assembly of the motor stator when dripping the winding assembly of the motor stator, so as to prevent fluff or dust from existing on the surface of the winding assembly of the motor stator, which results in that after the winding assembly of the motor stator is dripped with insulating paint in the later stage, the insulating paint covers the fluff or dust, thus affecting the effect of the insulating paint. After the winding assembly of the motor stator is dripped with insulating paint by the spray assembly, the spray assembly is used to slide and smooth the dripped insulating paint, so as to ensure that the insulating paint can be evenly coated on the outside of the winding assembly of the motor stator, thereby solving the problem that in the process of dripping insulating paint on the surface of the motor stator winding assembly by the existing device for spraying insulating paint on the surface of the motor stator winding assembly by the nozzle, if the insulating paint dripped on the surface of the motor stator winding assembly is not brushed and smoothed, the insulating paint can only be covered on the surface of the motor stator winding assembly by its own fluidity through slow penetration, resulting in uneven coverage of the insulating paint dripped on the surface of the motor stator winding assembly.

[0021] 2. The device for spraying insulating paint on the surface of a brushless DC motor described in the present invention, when spraying insulating paint on the winding group of the motor stator, the motor stator is installed in the middle of the inner cavity of the rotating frame through the placement opening opened on one side of the rotating frame, and then the servo motor is started to drive the driven pulley to rotate, and the driven pulley transmission belt is rotated, and during the rotation of the belt, the limiting pulley is used to limit the belt, so as to increase the tension of the belt and ensure the transmission efficiency, and then drive the two transmission pulleys to rotate synchronously, and make the transmission pulley drive the transmission gear disk to rotate, and during the rotation of the transmission gear disk, it will mesh with the transmission gear ring to rotate, and make the gear ring drive the rotating frame to rotate, and at the same time, the two transmission gear disks can connect with the gear ring to ensure that the gear ring drives the rotating frame to rotate in a ring shape, and then make the rotating frame drive the motor stator to rotate at a uniform speed, and at the same time cooperate with the nozzle to ensure the uniformity of spraying insulating paint on the surface of the motor stator winding group, thereby improving the convenience of installation of the motor stator and improving the spraying efficiency of the insulating paint. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1It is a schematic diagram of the structure of the main view of the present invention as a whole;

[0024] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the workbench of the present invention;

[0025] Figure 3 is a schematic diagram of a half-section structure of the annular fixing frame of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the interior of a half-section of the mounting plate of the present invention;

[0027] Figure 5 It is a schematic diagram of the overall structure of the annular fixing frame of the present invention;

[0028] Figure 6 is a schematic diagram of a half-section structure of a fixing frame of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the interior of a half-section of a screw rod barrel of the present invention;

[0030] Figure 8 It is a schematic diagram of the structure of the interior of a half-section of a recovery tank of the present invention;

[0031] Fig. 9 It is a schematic diagram of the overall structure of the installation of the screed plate of the present invention;

[0032] In the figure: 1. workbench; 2. recovery tank; 3. mounting plate; 4. annular fixing frame; 5. rotating frame; 6. fixing frame; 7. storage tank; 8. groove; 9. spraying assembly;

[0033] 901, synchronous push rod; 902, support plate; 903, micro motor; 904, gear; 905, threaded sleeve; 906, screw rod barrel; 907, coating plate;

[0034] 10. Motor stator; 11. Gear ring; 12. Drive gear disc; 13. Drain port; 14. Conduit; 15. Fixed cylinder; 16. Spring; 17. T-shaped slide bar; 18. Press plate; 19. Hydraulic push rod; 20. Support plate; 21. Bracket; 22. Slide groove; 23. Bidirectional threaded rod; 24. Clamp block; 25. Drive pulley; 26. Servo motor; 27. Limit pulley; 28. Belt; 29. ​​T-shaped slide column; 30. Smoothing plate; 31. Tension spring; 32. Lifting ring; 33. Storage slot; 34. Mounting frame; 35. Control console. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Example:

[0037] like Figures 1 to 9 As shown, a DC brushless motor surface insulating paint spraying device according to an embodiment of the present invention comprises a workbench 1, two recovery grooves 2 are symmetrically provided on the upper end surface of the workbench 1, and the inner cavities of the two recovery grooves 2 are connected to each other, and a drain port 13 is provided at the bottom of the inner cavity of the recovery groove 2, a mounting plate 3 is installed inside the upper end surface of the workbench 1, an annular fixing frame 4 is fixedly connected to the upper end surface of the mounting plate 3, and spraying components 9 are installed on both sides of the annular fixing frame 4;

[0038] The spraying assembly 9 includes two synchronous push rods 901 installed on both sides of the annular fixing frame 4, the piston rod ends of the two synchronous push rods 901 are fixedly connected to a support plate 902, a threaded sleeve 905 is rotatably connected to the upper end of the support plate 902, and a screw barrel 906 is threadedly connected to the inner cavity of the threaded sleeve 905, and a spray head is installed at the lower end of the screw barrel 906;

[0039] A hydraulic push rod 19 is disposed in the inner cavity of the annular fixing frame 4 , and a piston rod end of the hydraulic push rod 19 is rotatably connected to a support plate 20 , a bracket 21 is mounted on the upper end of the support plate 20 , and the bracket 21 is used to support and place the motor stator 10 .

[0040] Specifically, in the prior art, when applying insulating paint to the winding group of the motor stator, a clamping mechanism is usually used to clamp and fix the motor stator, and the motor stator is driven to rotate at a uniform speed, and then the nozzle is controlled to be close to the winding group of the motor stator, and during the rotation of the motor stator, the insulating paint is evenly applied to the winding group of the motor stator by the nozzle. However, since the nozzle is controlled by the operator to be close to the winding group of the motor stator and then drive the rotation of the motor stator to achieve the application of insulating paint to the winding group of the motor stator, if the operator controls the nozzle too close to the winding group of the motor stator, the insulating paint will be applied too thickly. Although the winding group of the motor stator needs to be applied for multiple turns, if a single part of the winding group of the motor stator is applied too thickly, it will affect the uniformity of the insulating paint applied to the entire motor stator winding group, resulting in the problem that the thermal conductivity and electromagnetic strength of the finished motor do not meet the standards.

[0041] When the present invention sprays insulating paint on the surface of the motor stator 10, the motor stator 10 is placed on the bracket 21, and the hydraulic push rod 19 is started to drive the support plate 20 to move upward, and the support plate 20 drives the bracket 21 to move upward, thereby adjusting the position of the motor stator 10 in the annular fixing frame 4, so as to ensure that the axis core of the motor stator 10 and the center of the annular fixing frame 4 are at the same level, and then the hydraulic push rod 19 is driven to rotate in an annular shape in the inner cavity of the annular fixing frame 4, and the hydraulic push rod 19 is driven to rotate the support plate 20, and the support plate 20 drives the bracket 21 to rotate, thereby causing the bracket 21 to drive the motor stator 10 to rotate synchronously, and during the rotation process of the motor stator 10, the threaded sleeve 905 is driven to rotate, and the threaded transmission screw cylinder 906 of the threaded sleeve 905 is rotated, thereby causing the screw cylinder 906 to slide downward inside the support plate 902, and at the same time, the screw cylinder 906 drives the spray head to move downward, so that the spray head is close to the motor stator 10 to adjust the distance between the spray nozzle and the motor stator 10 spraying, and then Later, during the rotation of the motor stator 10, insulating paint is dripped on the winding group of the motor stator 10. When spraying insulating paint on motor stators of different sizes, the synchronous push rod 901 is started to drive the support plate 902 to move away from the annular fixing frame 4, so that the position of the nozzle can be adjusted according to the motor stators of different sizes, so as to facilitate dripping insulating paint on the winding group of the motor stator, thereby solving the problem of the existing DC brushless motor surface insulating paint spraying device. Since the nozzle is controlled by the operator to approach the winding group of the motor stator, and then drive the rotation of the motor stator to realize the dripping of insulating paint on the winding group of the motor stator, if the operator controls the nozzle too close to the winding group of the motor stator, the insulating paint will be dripped too thickly, otherwise it will be sprayed too thinly. Although the winding group of the motor stator needs to be dripped for multiple turns, if a single part of the winding group of the motor stator is dripped too thickly, it will affect the uniformity of the dripping of insulating paint on the entire motor stator winding group, resulting in the problem that the thermal conductivity and electromagnetic strength of the finished motor do not meet the standards.

[0042] like Figure 1 , Figure 7 and Fig. 9 As shown, a micro motor 903 is installed inside the lower end of the support plate 902, a gear 904 is fixedly connected to the output shaft end of the micro motor 903, gear blocks are evenly arranged on the outside of the threaded sleeve 905, and the gear 904 cooperates with the gear blocks to mesh with the threaded sleeve 905.

[0043] like Figure 1 , Figure 7 and Fig. 9 As shown, a coating plate 907 is fixedly connected to the outside of the screw tube 906, and T-shaped slide columns 29 are slidably connected on both sides of the lower end of the coating plate 907. A trowel plate 30 is fixedly connected to the lower end of the T-shaped slide column 29, and a brush is provided at the lower end of the trowel plate 30. Tension springs 31 are fixedly connected to both sides of the upper end of the coating plate 907, and the tension springs 31 are fixedly connected to the T-shaped slide column 29.

[0044] like Figure 1 and Figure 6 As shown, a fixing frame 6 is installed on the upper end of the annular fixing frame 4, and a storage tank 7 is fixedly connected to the upper end surface of the fixing frame 6, and the storage tank 7 is used to store insulating paint for spraying, and two limit rings 32 are symmetrically fixedly connected to the lower end of the fixing frame 6, and the inner cavities of the two limit rings 32 are both installed with a conduit 14, and one end of the conduit 14 is connected to the storage tank 7, and the other end is fixedly connected to the screw cylinder 906.

[0045] Specifically, when the winding group of the motor stator 10 is dripped, the micro motor 903 is started to drive the gear 904 to rotate, and the gear 904 is engaged with the transmission tooth block to drive the threaded sleeve 905 to rotate. At the same time, the threaded sleeve 905 threadably drives the screw cylinder 906, and then the screw cylinder 906 slides inside the support plate 902 and moves downward. During the downward movement of the screw cylinder 906, the coating plate 907 is driven to move downward synchronously, and then the coating plate 907 drives the T-shaped sliding column 29 to move synchronously. At the same time, the T-shaped sliding column 29 drives the trowel plate 30 to move downward, and then the trowel plate 30 is fitted with the surface of the winding group of the motor stator 10. A brush is provided at the lower end of the trowel plate 30, and during the process of driving the winding group of the motor stator 10 to rotate, the brush at the lower end of the trowel plate 30 can be used to clean the winding group of the motor stator 10. To prevent the presence of fluff or dust on the surface of the winding group of the motor stator 10, which would affect the effect of the insulating paint because the insulating paint covers the fluff or dust after the winding group of the motor stator 10 is dripped with insulating paint in the later stage, after the winding group of the motor stator 10 is dripped with insulating paint by using a nozzle, the insulating paint after dripping is slid and smoothed by using a trowel plate 30 to ensure that the insulating paint can be evenly coated on the outside of the winding group of the motor stator 10, thereby solving the problem that when the existing DC brushless motor surface insulating paint spraying device drips insulating paint on the surface of the motor stator winding group by using a nozzle, if the insulating paint dripped on the surface of the motor stator winding group is not brushed and smoothed, the insulating paint can only be slowly penetrated and covered on the surface of the motor stator winding group by its own fluidity, resulting in uneven coverage of the insulating paint sprayed on the surface of the motor stator winding group.

[0046] like Figure 1 Figure 3 and Figure 5 As shown, the inner cavity of the annular fixing frame 4 is rotatably connected to a rotating frame 5, and the outer portion of the rotating frame 5 is located in the inner cavity of the annular fixing frame 4 and fixedly connected to two gear rings 11. A placement opening is provided on one side of the rotating frame 5 for placing the motor to be sprayed.

[0047] Specifically, when spraying insulating paint on the surface of the motor stator, the motor stator is placed in the inner cavity of the rotating frame 5, and then the ring gear 11 is driven to rotate, and the ring gear 11 drives the rotating frame 5 to rotate in the inner cavity of the annular fixed frame 4. During the rotation of the rotating frame 5, the motor stator will be driven to rotate, so that during the rotation of the motor stator, the surface of the motor stator winding group is dripped with insulating paint by using a nozzle, thereby improving the efficiency of spraying insulating paint in motor production.

[0048] Example:

[0049] like Figures 3 to 6 As shown, another embodiment of the present invention is: a groove 8 is opened on the upper end surface of the mounting plate 3, a servo motor 26 is arranged in a side wall of the inner cavity of the groove 8, and the output shaft end of the servo motor 26 is fixedly connected to a driven pulley, and the driven pulley is transmission-connected to a belt 28, and two transmission pulleys 25 are transmission-connected at both ends of the belt 28, and the two transmission pulleys 25 are used to drive the rotating frame 5.

[0050] like Figure 3 and Figure 4 As shown, the two transmission pulleys 25 are fixedly connected to two transmission toothed discs 12 on the outside, and the two transmission toothed discs 12 are meshedly connected to the gear ring 11 . The inner cavity of the groove 8 is rotatably connected to a limiting pulley 27 , and the limiting pulley 27 is used to limit the transmission belt 28 .

[0051] Specifically, when the winding group of the motor stator is sprayed with insulating paint, the motor stator 10 is installed in the middle of the inner cavity of the rotating frame 5 through the placement opening opened on one side of the rotating frame 5, and then the servo motor 26 is started to drive the driven pulley to rotate, and the driven pulley transmission belt 28 is rotated. During the rotation of the belt 28, the limiting pulley 27 is used to limit the belt 28, so as to increase the tension of the belt 28 and ensure the transmission efficiency, and then drive the two transmission pulleys 25 to rotate synchronously, and make the transmission pulley 25 drive the transmission gear plate 12 to rotate, and during the rotation of the transmission gear plate 12, it will engage the transmission ring gear 11 to rotate, and make the ring gear 11 drive the rotating frame 5 to rotate, and at the same time, the two transmission gear plates 12 can connect with the ring gear 11, so as to ensure that the ring gear 11 drives the rotating frame 5 to rotate in a circular shape, and then make the rotating frame 5 drive the motor stator to rotate at a uniform speed, and at the same time cooperate with the nozzle to ensure the uniformity of spraying insulating paint on the surface of the motor stator winding group, thereby improving the convenience of installation of the motor stator and improving the spraying efficiency of the insulating paint.

[0052] like Figure 3 and Figure 4 As shown, a slide groove 22 is opened at the upper end of the bracket 21, and a bidirectional threaded rod 23 is rotatably connected to the inner cavity of the slide groove 22. The outer thread of the bidirectional threaded rod 23 is connected to two clamping blocks 24, and a rubber anti-skid pad is arranged between the two clamping blocks 24. The hydraulic push rod 19 is fixedly connected to the rotating frame 5.

[0053] like Figure 3 , Figure 4 and Figure 6 As shown, a fixing cylinder 15 is arranged in the upper wall of the inner cavity of the rotating frame 5, a receiving groove 33 is opened at the lower end of the fixing cylinder 15, a spring 16 is fixedly connected to the bottom of the inner cavity of the receiving groove 33, a T-shaped slide bar 17 is fixedly connected to one end of the spring 16, a pressing plate 18 is fixedly connected to one end of the T-shaped slide bar 17, and a non-slip rubber pad is arranged on the lower end surface of the pressing plate 18.

[0054] Specifically, after the motor stator is placed on the bracket 21 through the placement opening, the two-way threaded rod 23 is driven to rotate, and the two-way threaded rod 23 is threaded to drive the two clamping blocks 24 to slide in the inner cavity of the slide groove 22 and move close to each other. Rubber anti-skid pads are provided between the clamping blocks 24, so that the motor stator can be clamped and limited by the rubber anti-skid pads during the process of the clamping blocks 24 moving close to each other. At the same time, the hydraulic push rod 19 is started to drive the bracket 21 to move upward, so that the bracket 21 drives the motor stator to adjust its position, so that the axis core of the motor stator and the axis core of the rotating frame 5 are in the same horizontal plane. In the process of the bracket 21 driving the motor stator to move upward, the upper end of the motor stator will fit with the surface of the pressing plate 18, and then the pressing plate 18 is pushed upward, and the pressing plate 18 pushes the T-shaped slide rod 17 slides into the inner cavity of the fixing tube 15 and squeezes the spring 16 in the inner cavity of the receiving groove 33, and then uses the rebound force of the spring 16 to push the T-shaped slide bar 17 to move downward, and the T-shaped slide bar 17 pushes the pressing plate 18 to move downward, and at the same time, the pressing plate 18 uses the protective rubber pad to press and fix the motor stator on the bracket 21, and the bracket 21 is also convenient for clamping and fixing motor stators of different sizes, thereby improving the practicality and convenience of the insulating paint spraying device, thereby solving the problem that the existing DC brushless motor surface insulating paint spraying device is inconvenient to quickly install and disassemble the motor stator before spraying the insulating paint on the surface of the motor stator winding group, resulting in cumbersome installation and disassembly of the motor stator before and after the insulating paint is sprayed on the surface of the motor stator winding group, affecting the low efficiency of spraying insulating paint on the motor.

[0055] like Figure 1 and Figure 2 As shown, a mounting frame 34 is fixedly connected to one side of the upper end surface of the workbench 1 , and a control console 35 is installed on the upper end of the mounting frame 34 .

[0056] Working principle: when the surface of the motor stator 10 is sprayed with insulating paint, the motor stator 10 is placed on the bracket 21, and the hydraulic push rod 19 is started to drive the support plate 20 to move upward, and the support plate 20 drives the bracket 21 to move upward, so as to adjust the position of the motor stator 10 in the annular fixing frame 4, so as to ensure that the axis core of the motor stator 10 and the center of the annular fixing frame 4 are at the same level, and then the hydraulic push rod 19 is driven to rotate in a circular shape in the inner cavity of the annular fixing frame 4, and the hydraulic push rod 19 drives the support plate 20 to rotate, and the support plate 20 drives the bracket 21 to rotate, so that the bracket 21 drives the motor stator 10 to rotate synchronously, and during the rotation of the motor stator 10, the thread is driven The sleeve 905 rotates, and the threaded sleeve 905 threaded transmission screw cylinder 906 rotates, thereby causing the screw cylinder 906 to slide downward inside the support plate 902, and at the same time causing the screw cylinder 906 to drive the nozzle to move downward, so that the nozzle is close to the motor stator 10 to adjust the distance between the nozzle and the motor stator 10 for spraying, and then during the rotation of the motor stator 10, the winding group of the motor stator 10 is dripped with insulating paint, and when the insulating paint is sprayed on the motor stators of different sizes, the support plate 902 is driven to move away from the annular fixing frame 4 by starting the synchronous push rod 901, so that the nozzle position can be adjusted according to the motor stators of different sizes, so as to facilitate dripping of insulating paint on the winding group of the motor stator;

[0057] When the winding group of the motor stator 10 is dripped, the micro motor 903 is started to drive the gear 904 to rotate, and the gear 904 is engaged with the transmission tooth block to drive the threaded sleeve 905 to rotate. At the same time, the threaded sleeve 905 threadably drives the screw barrel 906, and then the screw barrel 906 slides inside the support plate 902 and moves downward. During the downward movement of the screw barrel 906, the coating plate 907 is driven to move downward synchronously, and then the coating plate 907 drives the T-shaped sliding column 29 to move synchronously. At the same time, the T-shaped sliding column 29 drives the trowel plate 30 to move downward, and then the trowel plate 30 is fitted with the surface of the winding group of the motor stator 10, and the trowel plate 30 A brush is provided at the lower end, so that during the process of driving the winding group of the motor stator 10 to rotate, the brush at the lower end of the trowel plate 30 can be used to clean the winding group of the motor stator 10 to prevent the presence of fluff or dust on the surface of the winding group of the motor stator 10, which may cause the effect of the insulating paint to be affected after the winding group of the motor stator 10 is dripped with insulating paint. After the winding group of the motor stator 10 is dripped with insulating paint using a nozzle, the trowel plate 30 is used to slide and smooth the dripped insulating paint to ensure that the insulating paint can be evenly coated on the outside of the winding group of the motor stator 10, thereby improving the efficiency of spraying insulating paint in motor production.

[0058] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A DC brushless motor surface insulating paint spraying device, characterized in that: The workbench (1) comprises two recovery grooves (2) symmetrically arranged on the upper end surface of the workbench (1), and the inner cavities of the two recovery grooves (2) are interconnected, and a liquid discharge port (13) is arranged at the bottom of the inner cavity of the recovery groove (2); a mounting plate (3) is installed inside the upper end surface of the workbench (1), and an annular fixing frame (4) is fixedly connected to the upper end surface of the mounting plate (3), and spraying components (9) are installed on both sides of the annular fixing frame (4); The spraying assembly (9) comprises two synchronous push rods (901) mounted on both sides of the annular fixing frame (4), the piston rod ends of the two synchronous push rods (901) are fixedly connected to a support plate (902), a threaded sleeve (905) is rotatably connected to the upper end of the support plate (902), and a screw rod barrel (906) is threadedly connected to the inner cavity of the threaded sleeve (905), and a spray head is installed at the lower end of the screw rod barrel (906); The inner cavity of the annular fixing frame (4) is provided with a hydraulic push rod (19), the piston rod end of the hydraulic push rod (19) is rotatably connected to a support plate (20), the upper end of the support plate (20) is mounted with a bracket (21), and the bracket (21) is used to support and place the motor stator (10); A micro motor (903) is installed inside the lower end of the support plate (902), a gear (904) is fixedly connected to the output shaft end of the micro motor (903), gear blocks are evenly arranged on the outside of the threaded sleeve (905), and the gear (904) cooperates with the gear block to mesh with the threaded sleeve (905); The outside of the screw rod tube (906) is fixedly connected to a coating plate (907), and both sides of the lower end of the coating plate (907) are slidably connected to T-shaped slide columns (29), the lower end of the T-shaped slide column (29) is fixedly connected to a trowel plate (30), and a brush is provided at the lower end of the trowel plate (30), and both sides of the upper end of the coating plate (907) are fixedly connected to tension springs (31), and the tension springs (31) are fixedly connected to the T-shaped slide column (29).

2. A DC brushless motor surface insulating paint spraying device according to claim 1, characterized in that: A fixing frame (6) is mounted on the upper end of the annular fixing frame (4), a storage tank (7) is fixedly connected to the upper end surface of the fixing frame (6), and the storage tank (7) is used to store insulating paint for spraying, and two limit rings (32) are symmetrically fixedly connected to the lower end of the fixing frame (6), and a conduit (14) is mounted in the inner cavity of the two limit rings (32), and one end of the conduit (14) is connected to the storage tank (7), and the other end is fixedly connected to the screw cylinder (906).

3. A DC brushless motor surface insulating paint spraying device according to claim 1, characterized in that: The inner cavity of the annular fixed frame (4) is rotatably connected to a rotating frame (5), and the outer portion of the rotating frame (5) is located in the inner cavity of the annular fixed frame (4) and fixedly connected to two gear rings (11). A placement opening is provided on one side of the rotating frame (5) for placing a motor to be sprayed.

4. A DC brushless motor surface insulating paint spraying device according to claim 1, characterized in that: The upper end surface of the mounting plate (3) is provided with a groove (8), a servo motor (26) is arranged in a side wall of the inner cavity of the groove (8), and the output shaft end of the servo motor (26) is fixedly connected to a driven pulley, and the driven pulley is transmission-connected to a belt (28), and two driving pulleys (25) are transmission-connected at both ends of the belt (28), and the two driving pulleys (25) are used to drive the rotating frame (5).

5. A DC brushless motor surface insulating paint spraying device according to claim 4, characterized in that: The two transmission pulleys (25) are fixedly connected to two transmission toothed discs (12) on the outside, and the two transmission toothed discs (12) are meshingly connected to the gear ring (11). The inner cavity of the groove (8) is rotatably connected to a limiting pulley (27), and the limiting pulley (27) is used to limit the transmission belt (28).

6. A DC brushless motor surface insulating paint spraying device according to claim 1, characterized in that: A slide groove (22) is provided at the upper end of the bracket (21), a bidirectional threaded rod (23) is rotatably connected to the inner cavity of the slide groove (22), two clamping blocks (24) are externally threadedly connected to the bidirectional threaded rod (23), and a rubber anti-slip pad is provided between the two clamping blocks (24), and the hydraulic push rod (19) is fixedly connected to the rotating frame (5).

7. A DC brushless motor surface insulating paint spraying device according to claim 3, characterized in that: A fixing cylinder (15) is arranged in the upper wall of the inner cavity of the rotating frame (5), a receiving groove (33) is opened at the lower end of the fixing cylinder (15), a spring (16) is fixedly connected to the bottom of the inner cavity of the receiving groove (33), one end of the spring (16) is fixedly connected to a T-shaped sliding rod (17), one end of the T-shaped sliding rod (17) is fixedly connected to a pressing plate (18), and a non-slip rubber pad is arranged on the lower end surface of the pressing plate (18).

8. The device for spraying insulating paint on the surface of a brushless DC motor according to claim 1, characterized in that: A mounting frame (34) is fixedly connected to one side of the upper end surface of the workbench (1), and a control console (35) is mounted on the upper end of the mounting frame (34).

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