Automatic winding device for micro motor rotor

Abstract

The application belongs to the field of rotor processing, in particular to a micro motor rotor automatic winding device, which comprises a driving disc capable of rotating, a plurality of work station tables for fixing the rotor are fixed to the outer side of the driving disc, a winding table is arranged on one side of the driving disc, an adjusting seat for driving the winding table to move is installed at the rear end of the winding table, the winding table comprises an outer rotating sleeve capable of rotating, a wire ejecting gun for ejecting copper wire is arranged at one end of the outer rotating sleeve facing the driving disc, a plurality of output holes are formed in the inner wall of the wire ejecting gun, through such a setting, not only the automatic rotor winding work is realized, but also the uninterrupted transfer function of the rotor is combined, the flow line type processing technology of work station rapid replacement is realized, the production efficiency is improved, the long time process interruption problem caused by copper wire fracture is greatly reduced, thereby the smoothness of the production process is ensured.

Description

Technical Field

[0001] This invention belongs to the field of rotor processing, specifically a micro motor rotor automatic winding device. Background Technology

[0002] Micro motors are widely used in automotive electronics (such as seat adjustment), consumer electronics (such as mobile phone cameras), home appliances (such as electric toothbrushes), industrial automation (such as robot joints), and medical devices (such as infusion pumps). Almost any small device that requires precision drive cannot function without them. The rotor of a micro motor is the core rotating component of a micro motor, responsible for outputting mechanical energy. It is mainly composed of a shaft, rotor core, and permanent magnets or windings. The rotor performance directly determines the efficiency and stability of the motor, and it is widely used in medical devices, precision instruments, and other fields.

[0003] Rotor winding is the core process in the manufacturing of micro motor rotors. It involves winding insulated copper wire into the slots of the iron core according to a specific pattern to form an electromagnetic circuit. The winding method is divided into centralized and distributed winding, which directly determines the motor's torque and speed characteristics. This process requires precise control of tension, wire arrangement accuracy, and the number of turns to avoid short circuits or wire breaks. High-quality winding significantly improves motor energy efficiency and operational stability, making it a crucial step in automated production.

[0004] Traditional rotor winding devices have a low degree of automation, making it difficult to achieve full-process automation. Furthermore, the long downtime during rotor switching affects production efficiency. Additionally, when processing micro motor rotors, the thin copper wires are prone to breakage, especially at the wire exit point, causing subsequent process interruptions and sometimes requiring manual intervention before work can continue.

[0005] Therefore, the present invention provides an automatic winding device for a micro motor rotor. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is as follows: The present invention provides an automatic winding device for a micro motor rotor, which includes a drive disk capable of rotation. Multiple workstations for fixing the rotor are fixedly connected to the outer side of the drive disk. A winding table is provided on one side of the drive disk. An adjustment seat for moving the winding table is installed at the rear end of the winding table. The winding table includes a rotatable outer rotating sleeve. A wire feeding gun for discharging copper wire is provided at one end of the outer rotating sleeve facing the drive disk. Multiple output holes are opened in the inner wall of the wire feeding gun. A positioning sleeve for fixing the rotor to be wound and fixing the copper wire is provided above the drive disk. This setup not only enables fully automated rotor winding but also combines continuous rotor transfer to achieve a streamlined processing technology with rapid station changes, thereby improving production efficiency. In the processing flow, to reduce the problem of copper wire breakage at the tip of the wire ejector, multiple output holes are opened inside the wire ejector. These output holes are evenly distributed in multiple groups on the inner wall of the wire ejector. Most of these output holes are used to discharge high-pressure airflow, forming an air film on the inner wall of the wire ejector. This prevents the copper wire from directly contacting the wire ejector, greatly reducing damage to the copper wire caused by friction and significantly reducing the problem of the copper wire breaking directly at the nozzle during friction. Even if a breakage occurs, it will be outside the nozzle, which can be quickly observed with the help of a camera module. Simultaneously, the rotor of the drive disc can be changed, without affecting work efficiency. The remaining few output holes are used to discharge lubricating fluid, mainly through secretion. A small amount of fluid is discharged onto the inner wall of the wire ejector gun. This directly lubricates the friction surface between the copper wire and the ejector gun when resistance is high, reducing copper wire damage. A special lubricant for enameled wire can be used; it is non-corrosive, evaporates quickly, and will not affect the rotor. Simultaneously, the continuous airflow from the ejector gun tip helps clean dust from the rotor surface, improving the quality of the finished rotor. This design further optimizes the processing flow, significantly reducing prolonged process interruptions caused by copper wire breakage, thus ensuring smooth production. Furthermore, due to the air film gap between the copper wire and the ejector gun, during winding, when the copper wire pressure suddenly increases, the copper wire has room to shift, relieving some pressure and further reducing the risk of copper wire breakage.

[0008] Preferably, a power box is installed on the outside of the drive disk, and a servo motor connected to the drive disk is installed inside the power box. The two ends of the power box are open. A lifting device is fixed to the top of the power box, and a support platform is fixed to the moving end of the lifting device. The positioning sleeve is fixed to the bottom of the support platform. A top-out cutter for cutting copper wire is installed on the outside of the positioning sleeve. During operation, the servo motor drives the drive disk to rotate, thereby controlling multiple workstations to rotate to different positions and perform different tasks. The open design of the power box provides sufficient space for the rotor during winding and feeding. The lifting device is used to lift the support platform and the positioning sleeve below to complete the positioning and fixing of the rotor.

[0009] Preferably, a wire supply platform is fixedly connected to the outer end of the outer rotating sleeve, the wire supply platform is fixedly connected to the wire output gun, a fan connected to the top of the wire supply platform and communicating with the output hole is fixedly connected to the rear end of the wire supply platform and communicating with the output hole. A counterweight block is also installed on the outer end of the outer rotating sleeve, opposite in position to the wire supply platform. During operation, air pressure is output to the output hole by the fan to complete the formation of an air film between the copper wire and the wire output gun. Lubricating fluid is added to the addition chamber. The lubricating fluid will only seep out from the output hole under centrifugal force when the outer rotating sleeve rotates, thus preventing excessive discharge of lubricating fluid and eliminating the need for complex circuit control. The counterweight block is used to ensure the stable rotation of the outer rotating sleeve.

[0010] Preferably, the top of the wire-spitting gun is conical, and the outer side of the positioning sleeve has an alignment groove adapted to the wire-spitting gun. The ejector cutter is located directly below the alignment groove, and an exhaust window is fixed to the outer side of the wire-spitting gun near the top. During operation, after one rotor completes the winding process, the adjusting seat drives the outer rotating sleeve and the wire-spitting gun to move, allowing the end of the wire-spitting gun to insert into the alignment groove. At this time, the copper wire will pass through the outer side of the ejector cutter. As the ejector cutter pushes out the blade, the copper wire can be cut. Afterward, the wound rotor moves outward, the positioning sleeve moves upward, and the wire-spitting gun is controlled to move to the top of the positioning sleeve again. The positioning sleeve grasps the end of the copper wire, thus fixing the copper wire for the next winding operation.

[0011] Preferably, a locking bolt is fixed to the end of the workstation, and the top of the locking bolt has a bolt hole for fixing the rotor to be wound. The locking bolt can lock the rotor to be wound and can also push the rotor to be wound outward. A lifting rod capable of raising and lowering is installed at the bottom of the positioning sleeve, and an adsorbent is fixed to the bottom of the lifting rod. A pressing bolt is fixed to the top of the positioning sleeve. During operation, when fixing the end of the copper wire, the lifting rod is first moved downward to make the adsorbent at the bottom protrude. Then, the wire ejector gun is moved to the bottom of the adsorbent by the adjustment seat, and the wire is drawn in. After the attachment fixes the copper wire using negative pressure adsorption or physical clamping, the lifting rod moves into the positioning sleeve. When the positioning sleeve is fitted onto the stator, the copper wire is fixed above the stator and winds around the outside of the hook-type steering gear as the stator rotates, completing the initial fixation and ensuring the smooth progress of subsequent copper wire winding. At the same time, the pressing bolt can press and fix the copper wire again inside, reducing the problem of copper wire falling off. The locking bolt can be rotated by the worktable and is used to fix the rotor. When the rotor needs to be moved outward, it pushes the rotor outward.

[0012] Preferably, the adjusting seat includes a lower translation platform, an upper translation platform is fixedly connected to the top moving end of the lower translation platform, a lifting post is fixedly connected to the top moving end of the upper translation platform, a central seat for driving the outer rotating sleeve to rotate is installed at the rear end of the outer rotating sleeve, a driver is fixedly connected to the rear end of the central seat, and the driver is connected to the lifting post. During operation, the lower translation platform drives the upper translation platform to move left and right, the upper translation platform drives the lifting post to move forward and backward, and the central seat can move up and down on the lifting post, thereby driving the wire ejector gun to perform arbitrary angle adjustment.

[0013] Preferably, a drive shaft is fixedly connected to the rear end of the outer rotating sleeve, and an electric gear set for driving the drive shaft to rotate is installed inside the center seat. A wire feeding hole is opened at the rear end of the outer rotating sleeve, and a transmission pipe is fixedly connected to the top of the center seat. During operation, the electric gear set in the center seat cooperates with the drive shaft to complete the fixing and transmission of the outer rotating sleeve. At the same time, the copper wire can be directly fixed to the outside of the wire supply platform, or the copper wire can pass through the wire feeding hole, through the outer rotating sleeve and the wire supply platform, and finally discharged from the wire ejector. Copper wire can be continuously input from the outside to ensure that the winding process continues. The wire ejector has a built-in drive device at the rear end to ensure the smooth transmission of copper wire.

[0014] Preferably, the outer rotating sleeve is equipped with an electric telescopic rod inside. The rear end of the electric telescopic rod passes through the outer rotating sleeve and is fixedly connected to the center seat. The end of the electric telescopic rod is fixedly connected to a guide platform. During operation, in order to ensure that the copper wire can smoothly enter the iron core slot during the winding process, the guide platform is pushed outward by the electric telescopic rod before winding the copper wire. When the outer rotating sleeve rotates, the guide platform remains stationary. At this time, the copper wire continuously rotated and discharged will be wound into the iron core slot along the outer edge of the guide platform. As long as the shape of the guide platform matches the slot of the rotor, the accurate winding process of the copper wire can be guaranteed.

[0015] Preferably, the outer side of the electric telescopic rod is provided with an annular groove, and a locking ring is fixedly connected to the middle of the outer rotating sleeve. The locking ring is rotatably engaged with the annular groove. During operation, when the outer rotating sleeve rotates, the electric telescopic rod remains stationary. At the same time, the locking ring can stabilize the rotation process of the outer rotating sleeve. The electric telescopic rod pushes the guide platform outward to fit against the rotor, keeping itself stationary. The rear end of the electric telescopic rod is rotatably engaged with the outer rotating sleeve to ensure a horizontal state.

[0016] Preferably, the outer edge of the guide platform is smoothly rounded, and the cross-section of the guide platform is concave in the center and convex at both ends. The guide platform is detachably installed at the end of the electric telescopic rod. During operation, the smooth guide platform can ensure that the copper wire slides smoothly into the iron core slot. The structure of the guide platform is designed to adapt to the shape of the rotor, and the detachable design can adapt to different types of rotors.

[0017] The beneficial effects of this invention are as follows: 1. The automatic winding device for a micro motor rotor described in this invention, through the setting of a workstation and a winding table, adjusts the movement and rotation of the adjusting seat and the outer rotating sleeve according to a preset CNC system. Simultaneously, in conjunction with the rotor's rotation, the winding of copper wire is completed after multiple repetitions. After completion, the copper wire is again controlled to wind and fix itself on the hook of the hook-type deflector, thus completing the rotor winding process. Finally, the positioning sleeve cuts the copper wire and simultaneously absorbs the cut end of the copper wire, awaiting the next rotor winding operation. This setup not only achieves fully automatic rotor winding but also incorporates a continuous rotor transfer function, enabling a rapid workstation changeover assembly line processing technology, thereby improving production efficiency.

[0018] 2. The automatic winding device for a micro motor rotor described in this invention, by setting multiple output holes inside the wire-spinning gun, the output holes are evenly arranged in multiple groups on the inner wall of the wire-spinning gun. The output holes are used to discharge high-pressure airflow, thereby forming an air film in the inner wall of the wire-spinning gun, preventing the copper wire from directly contacting the wire-spinning gun. This greatly reduces the damage to the copper wire caused by friction and also significantly reduces the problem of the copper wire breaking directly at the nozzle of the wire-spinning gun during the friction process. The remaining few output holes are used to discharge lubricating fluid, which directly lubricates the friction surface between the copper wire and the wire-spinning gun when the resistance is high, reducing the damage to the copper wire. Attached Figure Description

[0019] The invention will now be further described with reference to the accompanying drawings.

[0020] Figure 1 This is a perspective view of the present invention; Figure 2 This is a side view of the present invention; Figure 3 This is a perspective view of the drive disk and workstation of the present invention; Figure 4 This is a perspective view of the positioning sleeve and the rotor to be wound according to the present invention; Figure 5 This is a perspective view of the positioning sleeve of the present invention; Figure 6 This is a perspective view of the adjusting seat and winding table of the present invention; Figure 7 This is a perspective view of the winding platform of the present invention; Figure 8 This is a perspective view of the wire supply station of the present invention; Figure 9 This is a perspective view of the thread ejector of the present invention; In the diagram: 1. Power box; 2. Adjustment seat; 3. Winding table; 4. Drive disc; 5. Lifter; 6. Support platform; 7. Positioning sleeve; 9. Workstation; 10. Locking bolt; 11. Rotor to be wound; 12. Pressing bolt; 13. Hook-type steering gear; 14. Alignment groove; 15. Top-out cutter; 16. Adsorber; 17. Lifting rod; 18. Lower translation platform; 19. Upper moving platform; 20. Center seat; 21. Lifting pile; 22. Outer rotating sleeve; 23. Wire supply platform; 24. Transmission pipe; 25. Drive shaft; 26. Wire routing hole; 27. Engaging ring; 28. Electric telescopic rod; 29. ​​Guide platform; 30. Addition bin; 31. Wire ejector gun; 32. Exhaust window; 33. Annular groove; 34. Fan; 35. Output hole. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0022] like Figures 1 to 2 As shown in the figure, an automatic winding device for a micro motor rotor according to an embodiment of the present invention includes a drive disk 4 capable of rotation. Multiple workstations 9 for fixing the rotor are fixed to the outer side of the drive disk 4. A winding table 3 is provided on one side of the drive disk 4. An adjustment seat 2 for moving the winding table 3 is installed at the rear end of the winding table 3. The winding table 3 includes a rotatable outer rotating sleeve 22. A wire ejector gun 31 for discharging copper wire is provided at one end of the outer rotating sleeve 22 facing the drive disk 4. Multiple output holes 35 are opened in the inner wall of the wire ejector gun 31. A positioning sleeve 7 for fixing the rotor 11 to be wound and fixing the copper wire is provided above the drive disk 4. During operation, the rotor to be wound is moved from one end of the raw material winding table 3 to the workstation 9 via a transport device. As the drive disc 4 rotates, the workstation 9, with the rotor fixed there, rotates towards the winding table 3. Simultaneously, the transport device continuously places rotors onto new workstations 9, ensuring a continuous supply of rotors to the winding table 3. Once the workstation 9 has moved the rotor to the position of the winding table 3, the positioning sleeve 7 is lowered to secure the top of the rotor. A drive mechanism within the workstation 9 rotates the rotor to adjust its position. The external camera module is used to observe the rotor's status and communicates with the drive unit to adjust the rotor's position. Before the positioning sleeve 7 sinks down to fix the rotor, the winding table 3, driven by the adjusting seat 2, moves the wire ejector 31 close to the top of the positioning sleeve 7. The bottom of the positioning sleeve 7 can fix the copper wire by adsorption or other means. Then, the winding table 3 moves away from the positioning sleeve 7, waiting for the positioning sleeve 7 to be fitted and fixed to the rotor. After that, the rotor is driven to rotate by the workstation 9, and the positioning sleeve 7 will rotate synchronously. At this time, the height of the winding table 3 and the hook-type steering gear 13 are... The copper wire is wound evenly around the hook-type steering mechanism 13. During the winding process, the winding platform 3 gradually moves closer to the hook-type steering mechanism 13 to ensure tight winding. As the adjusting seat 2 drives the winding platform 3 and the wire-feeding gun 31 to rotate and move, the copper wire is wound onto the hook of the hook-type steering mechanism 13, thus fixing the end of the copper wire. Then, under the control of the adjusting seat 2, the outer rotating sleeve 22 is positioned outside the rotor, and the rotor position is adjusted by rotation. As the outer rotating sleeve 22 rotates and the copper wire is continuously ejected from the wire-feeding gun 31, the copper wire is wound into the iron core groove. The adjusting seat 2 and the outer rotating sleeve 22... The movement and rotation are adjusted according to the preset CNC system. In conjunction with the rotation of the rotor, the winding of the copper wire is completed after repeated cycles. After completion, the copper wire is again controlled to be wound and fixed on the hook of the hook-type deflector 13, thus completing the rotor winding work. Finally, the copper wire is cut by the positioning sleeve 7, and the end of the cut copper wire is absorbed, waiting for the next rotor winding work. Through this setting, not only is fully automatic rotor winding work realized, but also the uninterrupted rotor transfer function is combined to realize a rapid change of workstations in a production line-style processing technology, thereby improving production efficiency. In the processing flow, to reduce the problem of copper wire breakage at the end of the wire feeding gun 31, multiple output holes 35 are opened inside the wire feeding gun 31. The output holes 35 are evenly distributed in multiple groups on the inner wall of the wire feeding gun 31. Most of the output holes 35 are used to discharge high-pressure airflow, thereby forming an air film in the inner wall of the wire feeding gun 31, preventing the copper wire from directly contacting the wire feeding gun 31. This greatly reduces the damage to the copper wire caused by friction and also significantly reduces the problem of the copper wire breaking directly at the nozzle of the wire feeding gun 31 during friction. Even if a breakage occurs, it will be outside the nozzle, which can be quickly observed with the help of the camera module. At the same time, the rotor of the drive disk 4 can be controlled to change rows, without affecting the working efficiency. The remaining few output holes 35 are used to discharge lubricating fluid. The copper wire is discharged in small amounts on the inner wall of the wire ejector 31 through secretion. This directly lubricates the friction surface between the copper wire and the wire ejector 31 when resistance is high, reducing copper wire damage. A special lubricant for enameled wire can be used, which is non-corrosive, evaporates quickly, and will not affect the rotor. Simultaneously, the continuous airflow from the end of the wire ejector 31 helps clean dust from the rotor surface, improving the quality of the finished rotor. This design further optimizes the processing flow, significantly reducing the problem of prolonged process interruptions caused by copper wire breakage, thus ensuring smooth production. Furthermore, due to the air film gap between the copper wire and the wire ejector 31, when the copper wire pressure suddenly increases during winding, the copper wire has space to shift, relieving some of the pressure and further reducing the risk of copper wire breakage.

[0023] A power box 1 is installed on the outside of the drive disk 4. A servo motor connected to the drive disk 4 is installed inside the power box 1. The two ends of the power box 1 are open. A lifting device 5 is fixedly connected to the top of the power box 1. A support platform 6 is fixedly connected to the moving end of the lifting device 5. The positioning sleeve 7 is fixedly connected to the bottom of the support platform 6. A top-out cutter 15 for cutting copper wire is installed on the outside of the positioning sleeve 7. During operation, the servo motor drives the drive plate 4 to rotate, thereby controlling multiple workstations 9 to rotate to different positions and perform different tasks. The opening of the power box 1 provides sufficient space for the rotor during winding and feeding. The lifting device 5 is used to lift the support platform 6 and the lower positioning sleeve 7 to complete the positioning and fixing of the rotor.

[0024] The outer end of the outer rotating sleeve 22 is fixedly connected to a wire supply platform 23, which is fixedly connected to the wire feeding gun 31. The top of the wire supply platform 23 is fixedly connected to a fan 34 that communicates with the output hole 35. The rear end of the wire supply platform 23 is fixedly connected to an adding chamber 30 that communicates with the output hole 35. The outer end of the outer rotating sleeve 22 is also equipped with a counterweight block that is opposite in position to the wire supply platform 23. During operation, air pressure is output to the output hole 35 through the fan 34 to complete the formation of an air film between the copper wire and the wire ejector 31; lubricant is added to the addition chamber 30, and the lubricant will only seep out from the output hole 35 under centrifugal force when the outer rotating sleeve 22 rotates, so as not to cause excessive discharge of lubricant and to eliminate the need for complex circuit control; the counterweight is used to ensure the stable rotation of the outer rotating sleeve 22.

[0025] The top of the thread-ejecting gun 31 is tapered, and the outer side of the positioning sleeve 7 is provided with an alignment groove 14 adapted to the thread-ejecting gun 31. The ejector cutter 15 is located directly below the alignment groove 14, and an exhaust window 32 is fixedly connected to the outer side of the thread-ejecting gun 31 near the top. During operation, after a rotor completes its winding process, the adjusting seat 2 drives the outer rotating sleeve 22 and the wire-spitting gun 31 to move, allowing the end of the wire-spitting gun 31 to insert into the alignment groove 14. At this time, the copper wire will pass through the outside of the ejector cutter 15. As the ejector cutter 15 pushes out the blade, the copper wire can be cut. After that, the wound rotor moves outward, the positioning sleeve 7 moves upward, and the wire-spitting gun 31 is moved to the top of the positioning sleeve 7 again. The positioning sleeve 7 holds the end of the copper wire, thus fixing the copper wire. When the next winding operation is needed, the exhaust window 32 can discharge air pressure at an angle downward to clean dust and foreign objects from the rotor surface.

[0026] The end of the workstation 9 is fixedly connected to a locking bolt 10. The top of the locking bolt 10 is provided with a bolt hole for fixing the rotor 11 to be wound. The locking bolt 10 can lock the rotor 11 to be wound and can also push the rotor 11 to be wound outward. The bottom of the positioning sleeve 7 is equipped with a lifting rod 17 that can be raised and lowered. The bottom of the lifting rod 17 is fixedly connected to an absorber 16. The top of the positioning sleeve 7 is fixedly connected to a pressing bolt 12. During operation, when fixing the end of the copper wire, first move the lifting rod 17 downward so that the bottom suction device 16 protrudes. Then, with the adjustment seat 2, move the wire ejector 31 to the bottom of the suction device 16. After the suction device 16 fixes the copper wire by negative pressure adsorption or physical clamping, the lifting rod 17 moves into the positioning sleeve 7. When the positioning sleeve 7 is fitted onto the stator, the copper wire will be fixed above the stator and will be wound around the outside of the hook-type steering device 13 as the stator rotates, completing the initial fixation and ensuring the smooth progress of subsequent copper wire winding. At the same time, the pressing bolt 12 can press and fix the copper wire again inside, reducing the problem of copper wire falling off. The locking bolt 10 can be rotated under the drive of the worktable 9, and is used to fix the rotor and push the rotor outward when it needs to be moved outward.

[0027] The adjusting seat 2 includes a lower translation platform 18, an upper translation platform 19 is fixedly connected to the top moving end of the lower translation platform 18, a lifting pile 21 is fixedly connected to the top moving end of the upper translation platform 19, a central seat 20 for driving the outer rotating sleeve 22 to rotate is installed at the rear end of the outer rotating sleeve 22, a driver is fixedly connected to the rear end of the central seat 20, and the driver is connected to the lifting pile 21. During operation, the lower translation platform 18 drives the upper translation platform 19 to move left and right, and the upper translation platform 19 drives the lifting pile 21 to move forward and backward. The center seat 20 can move up and down on the lifting pile 21, which in turn can drive the wire ejector 31 to adjust at any angle.

[0028] The rear end of the outer rotating sleeve 22 is fixedly connected to a drive shaft 25. An electric gear set for driving the drive shaft 25 to rotate is installed inside the center seat 20. A cable routing hole 26 is opened at the rear end of the outer rotating sleeve 22. A transmission pipe 24 is fixedly connected to the top of the center seat 20. During operation, the electric gear set in the center seat 20 cooperates with the drive shaft 25 to fix and drive the outer rotating sleeve 22. At the same time, the copper wire can be directly fixed to the outside of the wire supply platform 23, or the copper wire can pass through the wire feeding hole 26, pass through the outer rotating sleeve 22 and the wire supply platform 23, and finally be discharged from the wire feeding gun 31. Copper wire can be continuously input from the outside to ensure that the winding process continues. The wire feeding gun 31 has a built-in drive device at the rear end to ensure the smooth transmission of copper wire.

[0029] An electric telescopic rod 28 is provided inside the outer rotating sleeve 22. The rear end of the electric telescopic rod 28 passes through the outer rotating sleeve 22 and is fixedly connected to the center seat 20. A guide platform 29 is fixedly connected to the end of the electric telescopic rod 28. During operation, in order to ensure that the copper wire can smoothly enter the iron core slot during the winding process, the guide platform 29 is pushed outward by the electric telescopic rod 28 before winding the copper wire. When the outer rotating sleeve 22 rotates, the guide platform 29 remains stationary. At this time, the copper wire continuously rotated and discharged will be wound into the iron core slot along the outer edge of the guide platform 29. As long as the shape of the guide platform 29 matches the slot of the rotor, the accurate winding process of the copper wire can be guaranteed.

[0030] An annular groove 33 is provided on the outer side of the electric telescopic rod 28, and a locking ring 27 is fixedly connected to the middle of the outer rotating sleeve 22. The locking ring 27 is rotatably engaged with the annular groove 33. During operation, as the outer rotating sleeve 22 rotates, the electric telescopic rod 28 remains stationary. At the same time, the locking ring 27 stabilizes the rotation process of the outer rotating sleeve 22. The electric telescopic rod 28 pushes the guide platform 29 outward to fit against the rotor, keeping itself stationary. The rear end of the electric telescopic rod 28 is rotated and locked with the outer rotating sleeve 22 to ensure a horizontal state.

[0031] The outer edge of the guide platform 29 is smoothly transitioned, and the cross-section of the guide platform 29 is concave in the center and convex at both ends. The guide platform 29 is detachably installed at the end of the electric telescopic rod 28. During operation, the smooth guide platform 29 ensures that the copper wire slides smoothly into the iron core slot. The structure of the guide platform 29 is designed to adapt to the shape of the rotor, and its detachable design can accommodate different types of rotors.

[0032] During operation, the rotor to be wound is moved from one end of the raw material winding table 3 to the workstation 9 via a transport device. As the drive disc 4 rotates, the workstation 9, with the rotor fixed there, rotates towards the winding table 3. Simultaneously, the transport device continuously places rotors onto new workstations 9, ensuring a continuous supply of rotors to the winding table 3. Once the workstation 9 has moved the rotor to the position of the winding table 3, the positioning sleeve 7 is lowered to secure the top of the rotor. A drive mechanism within the workstation 9 rotates the rotor to adjust its position. The external camera module is used to observe the rotor's status and communicates with the drive unit to adjust the rotor's position. Before the positioning sleeve 7 sinks down to fix the rotor, the winding table 3, driven by the adjusting seat 2, moves the wire ejector 31 close to the top of the positioning sleeve 7. The bottom of the positioning sleeve 7 can fix the copper wire by adsorption or other means. Then, the winding table 3 moves away from the positioning sleeve 7, waiting for the positioning sleeve 7 to be fitted and fixed to the rotor. After that, the rotor is driven to rotate by the workstation 9, and the positioning sleeve 7 will rotate synchronously. At this time, the height of the winding table 3 and the hook-type steering gear 13 are... The copper wire is wound evenly around the hook-type steering mechanism 13. During the winding process, the winding platform 3 gradually moves closer to the hook-type steering mechanism 13 to ensure tight winding. As the adjusting seat 2 drives the winding platform 3 and the wire-feeding gun 31 to rotate and move, the copper wire is wound onto the hook of the hook-type steering mechanism 13, thus fixing the end of the copper wire. Then, under the control of the adjusting seat 2, the outer rotating sleeve 22 is positioned outside the rotor, and the rotor position is adjusted by rotation. As the outer rotating sleeve 22 rotates and the copper wire is continuously ejected from the wire-feeding gun 31, the copper wire is wound into the iron core groove. The adjusting seat 2 and the outer rotating sleeve 22... The movement and rotation are adjusted according to the preset CNC system. In conjunction with the rotation of the rotor, the winding of the copper wire is completed after repeated cycles. After completion, the copper wire is again controlled to be wound and fixed on the hook of the hook-type deflector 13, thus completing the rotor winding work. Finally, the copper wire is cut by the positioning sleeve 7, and the end of the cut copper wire is absorbed, waiting for the next rotor winding work. Through this setting, not only is fully automatic rotor winding work realized, but also the uninterrupted rotor transfer function is combined to realize a rapid change of workstations in a production line-style processing technology, thereby improving production efficiency. In the processing flow, to reduce the problem of copper wire breakage at the end of the wire feeding gun 31, multiple output holes 35 are opened inside the wire feeding gun 31. The output holes 35 are evenly distributed in multiple groups on the inner wall of the wire feeding gun 31. Most of the output holes 35 are used to discharge high-pressure airflow, thereby forming an air film in the inner wall of the wire feeding gun 31, preventing the copper wire from directly contacting the wire feeding gun 31. This greatly reduces the damage to the copper wire caused by friction and also significantly reduces the problem of the copper wire breaking directly at the nozzle of the wire feeding gun 31 during friction. Even if a breakage occurs, it will be outside the nozzle, which can be quickly observed with the help of the camera module. At the same time, the rotor of the drive disk 4 can be controlled to change rows, without affecting the working efficiency. The remaining few output holes 35 are used to discharge lubricating fluid. The copper wire is discharged in small amounts on the inner wall of the wire ejector 31 through secretion. This directly lubricates the friction surface between the copper wire and the wire ejector 31 when resistance is high, reducing copper wire damage. A special lubricant for enameled wire can be used, which is non-corrosive, evaporates quickly, and will not affect the rotor. Simultaneously, the continuous airflow from the end of the wire ejector 31 helps clean dust from the rotor surface, improving the quality of the finished rotor. This design further optimizes the processing flow, significantly reducing the problem of prolonged process interruptions caused by copper wire breakage, thus ensuring smooth production. Furthermore, due to the air film gap between the copper wire and the wire ejector 31, when the copper wire pressure suddenly increases during winding, the copper wire has space to shift, relieving some of the pressure and further reducing the risk of copper wire breakage.

[0033] The servo motor drives the drive plate 4 to rotate, thereby controlling multiple workstations 9 to rotate to different positions and perform different tasks. The opening of the power box 1 provides sufficient space for the rotor during winding and feeding. The lifting device 5 is used to lift the support platform 6 and the lower positioning sleeve 7 to complete the positioning and fixing of the rotor.

[0034] Air pressure is output from the blower 34 to the output hole 35 to form an air film between the copper wire and the wire ejector 31; lubricant is added to the addition chamber 30, and the lubricant will only seep out from the output hole 35 under centrifugal force when the outer rotating sleeve 22 rotates, so as not to cause excessive discharge of lubricant and to eliminate the need for complex circuit control; the counterweight is used to ensure the stable rotation of the outer rotating sleeve 22.

[0035] After a rotor completes its winding process, the adjusting seat 2 drives the outer rotating sleeve 22 and the wire-spitting gun 31 to move, allowing the end of the wire-spitting gun 31 to insert into the alignment groove 14. At this time, the copper wire will pass through the outside of the ejector cutter 15. As the ejector cutter 15 pushes out the blade, the copper wire can be cut. After that, the wound rotor is transferred outward, the positioning sleeve 7 moves upward, and the wire-spitting gun 31 is moved to the top of the positioning sleeve 7 again. The positioning sleeve 7 holds the end of the copper wire, thus fixing the copper wire. For the next winding operation, the exhaust window 32 can discharge air pressure at an angle downward to clean dust and foreign objects from the rotor surface.

[0036] When fixing the end of the copper wire, first move the lifting rod 17 downward so that the bottom suction device 16 protrudes. Then, with the adjustment seat 2, move the wire ejector 31 to the bottom of the suction device 16. After the suction device 16 fixes the copper wire by negative pressure adsorption or physical clamping, the lifting rod 17 moves into the positioning sleeve 7. When the positioning sleeve 7 is fitted onto the stator, the copper wire will be fixed above the stator and will be wound around the outside of the hook-type steering device 13 as the stator rotates, completing the initial fixation and ensuring that the subsequent copper wire winding work proceeds smoothly. At the same time, the pressing bolt 12 can press and fix the copper wire again inside to reduce the problem of copper wire falling off. The locking bolt 10 can be rotated under the drive of the worktable 9 and is used to fix the rotor. When the rotor needs to be moved outward, it will push the rotor outward.

[0037] The lower translation platform 18 drives the upper translation platform 19 to move left and right, and the upper translation platform 19 drives the lifting pile 21 to move forward and backward. The center seat 20 can move up and down on the lifting pile 21, which in turn can drive the wire ejector gun 31 to adjust at any angle.

[0038] The electric gear set in the center seat 20 works with the drive shaft 25 to fix and drive the outer rotating sleeve 22. At the same time, the copper wire can be directly fixed to the outside of the wire supply platform 23, or the copper wire can pass through the wire feeding hole 26, pass through the outer rotating sleeve 22 and the wire supply platform 23, and finally be discharged from the wire output gun 31. Copper wire can be continuously input from the outside to ensure that the winding process continues. The wire output gun 31 has a built-in drive device at the rear end to ensure the smooth transmission of copper wire.

[0039] To ensure that the copper wire can smoothly enter the iron core slot during the winding process, the guide platform 29 is pushed outward by the electric telescopic rod 28 before the copper wire is wound. When the outer rotating sleeve 22 rotates, the guide platform 29 remains stationary. At this time, the copper wire continuously rotated and discharged will be wound into the iron core slot along the outer edge of the guide platform 29. As long as the shape of the guide platform 29 matches the slot of the rotor, the accurate winding process of the copper wire can be guaranteed.

[0040] When the outer rotating sleeve 22 rotates, the electric telescopic rod 28 remains stationary. At the same time, the locking ring 27 can stabilize the rotation process of the outer rotating sleeve 22. The electric telescopic rod 28 pushes the guide platform 29 outward to fit against the rotor, keeping itself stationary. The rear end of the electric telescopic rod 28 is rotated and locked with the outer rotating sleeve 22 to ensure a horizontal state.

[0041] The smooth guide platform 29 ensures that the copper wire slides smoothly into the iron core slot. The structure of the guide platform 29 is designed to adapt to the shape of the rotor, and its detachable design can accommodate different types of rotors.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic winding device for a micro motor rotor, characterized in that: The device includes a rotatable drive disk, with multiple workstations fixed to the outer side of the drive disk for fixing the rotor. A winding table is provided on one side of the drive disk, and an adjustment seat for moving the winding table is installed at the rear end of the winding table. The winding table includes a rotatable outer rotating sleeve, and a wire ejector for discharging copper wire is provided at the end of the outer rotating sleeve facing the drive disk. Multiple output holes are opened in the inner wall of the wire ejector. A positioning sleeve for fixing the rotor to be wound and fixing the copper wire is provided above the drive disk.

2. The automatic winding device for a micro motor rotor according to claim 1, characterized in that: A power box is installed on the outside of the drive disk. A servo motor connected to the drive disk is installed inside the power box. The two ends of the power box are open. A lifting device is fixed to the top of the power box. A support platform is fixed to the moving end of the lifting device. The positioning sleeve is fixed to the bottom of the support platform. A top-out cutter for cutting copper wire is installed on the outside of the positioning sleeve.

3. The automatic winding device for a micro motor rotor according to claim 2, characterized in that: A wire feeding platform is fixedly connected to the outer end of the outer rotating sleeve. The wire feeding platform is fixedly connected to the wire feeding gun. A fan communicating with the output hole is fixedly connected to the top of the wire feeding platform. An adding chamber communicating with the output hole is fixedly connected to the rear end of the wire feeding platform. A counterweight block opposite to the position of the wire feeding platform is also installed on the outer end of the outer rotating sleeve.

4. The automatic winding device for a micro motor rotor according to claim 3, characterized in that: The top of the thread ejector is conical, and the outer side of the positioning sleeve is provided with an alignment groove adapted to the thread ejector. The ejector cutter is located directly below the alignment groove, and an exhaust window is fixed to the outer side of the thread ejector near the top.

5. The automatic winding device for a micro motor rotor according to claim 4, characterized in that: The end of the workstation is fixed with a locking bolt. The top of the locking bolt has a bolt hole for fixing the rotor to be wound. The locking bolt can lock the rotor to be wound and can also push the rotor to be wound outward. The bottom of the positioning sleeve is equipped with a lifting rod that can be raised and lowered. The bottom of the lifting rod is fixed with an adsorbent. The top of the positioning sleeve is fixed with a pressing bolt.

6. The automatic winding device for a micro motor rotor according to claim 5, characterized in that: The adjusting seat includes a lower translation platform, an upper translation platform is fixedly connected to the top moving end of the lower translation platform, a lifting pile is fixedly connected to the top moving end of the upper translation platform, a central seat for driving the outer rotating sleeve to rotate is installed at the rear end of the outer rotating sleeve, a driver is fixedly connected to the rear end of the central seat, and the driver is connected to the lifting pile.

7. The automatic winding device for a micro motor rotor according to claim 6, characterized in that: The rear end of the outer rotating sleeve is fixedly connected to a drive shaft, and an electric gear set for driving the drive shaft to rotate is installed inside the center seat. The rear end of the outer rotating sleeve is provided with a cable routing hole, and a transmission pipe is fixedly connected to the top of the center seat.

8. The automatic winding device for a micro motor rotor according to claim 7, characterized in that: An electric telescopic rod is installed inside the outer rotating sleeve. The rear end of the electric telescopic rod passes through the outer rotating sleeve and is fixedly connected to the central seat. A guide platform is fixedly connected to the end of the electric telescopic rod.

9. The automatic winding device for a micro motor rotor according to claim 8, characterized in that: The outer side of the electric telescopic rod is provided with an annular groove, and a locking ring is fixedly connected to the middle of the outer rotating sleeve. The locking ring is rotatably engaged with the annular groove.

10. The automatic winding device for a micro motor rotor according to claim 9, characterized in that: The outer edge of the guide platform is smoothly rounded, and the cross-section of the guide platform is concave in the center and convex at both ends. The guide platform is detachably installed at the end of the electric telescopic rod.

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