A wire inserting device for a micro motor stator

Abstract

The application relates to a winding embedding device for a stator of a micro motor, which comprises a rack, a clamping seat for clamping the stator, a fixing column, a guide column and a guide assembly, the clamping seat is arranged on the rack, the fixing column is arranged on the rack, one end of an enameled wire is arranged on the fixing column, the guide column is arranged on the rack, and the guide assembly is arranged on the guide column and used for winding the enameled wire in a winding embedding groove of the stator. The application has the effect of facilitating the winding embedding operation of the stator of the micro motor.

Description

Technical Field

[0001] This application relates to the field of winding devices, and more particularly to a winding device for a micro motor stator. Background Technology

[0002] In the motor manufacturing process, enameled wire needs to be embedded in the stator or rotor slots to form the stator or rotor windings. Current embedding methods primarily rely on manual operation. While this is relatively easy for larger motors, it is difficult for smaller motors, especially those with stator windings. Because the stator core is a long, thin cylinder, it's difficult for a person to reach inside, causing significant inconvenience and severely impacting production efficiency. Furthermore, the enameled wire is not easily straightened or tangled during embedding; carelessness can lead to knots or scratches on the enamel coating by the core edge, causing partial short circuits and affecting product quality. Summary of the Invention

[0003] To facilitate the winding operation of the stator of a micro motor, this application provides a winding device for the stator of a micro motor.

[0004] This application provides a winding device for a micro motor stator, which adopts the following technical solution: A winding device for a micro motor stator includes a frame, a clamping seat for holding the stator, a fixing post, a guide post, and a guiding assembly. The clamping seat is disposed on the frame, the fixing post is disposed on the frame, one end of the enameled wire is disposed on the fixing post, the guide post is disposed on the frame, and the guiding assembly is disposed on the guide post. The guiding assembly is used to wind the enameled wire into the winding groove of the stator.

[0005] By adopting the above technical solution, the fixing post is used to fix one end of the wire, and the wire is wound into the wire slot of the stator by the guide component. The cooperation between the fixing post and the guide post makes the wire winding path more stable and reduces the damage to the enameled wire caused by shaking during manual operation.

[0006] Optionally, the guiding assembly includes a reciprocating lead screw, a guiding motor, a guiding block, a mating block, a guiding wheel for guiding enameled wire, and a mating component. The length direction of the reciprocating lead screw is parallel to the axial direction of the stator on the clamping seat. The reciprocating lead screw is rotatably connected to the guide post. The guiding motor is used to drive the reciprocating lead screw to rotate. The guiding block is threadedly connected to the reciprocating lead screw. The mating block is slidably connected to the guiding block in the horizontal direction. The guiding wheel is rotatably connected to the mating block. The mating component is used to drive the mating block to move in the horizontal direction.

[0007] By adopting the above technical solution, the guide motor and the reciprocating screw realize the reciprocating motion of the guide wheel, forming an action similar to manual winding, controlling the distribution of the winding wire on the stator axis, improving the uniformity of the winding wire, and the guide wheel is rotated and connected to the mating block, which can reduce the friction during the winding of the enameled wire and avoid scratching the enamel. The mating block is moved horizontally through the mating parts to form a complete winding action.

[0008] Optionally, the mating component includes a mating spring and a mating post. The guide post has a sliding groove on its side wall facing the mating block. The sliding groove is parallelogram-shaped and includes two vertical grooves and two parallel inclined grooves. One vertical groove and one inclined groove form a groove group, and the angle between the vertical groove and the inclined groove is greater than 90°. The groove depth gradually increases from the end of the vertical groove away from the inclined groove to the end of the inclined groove away from the vertical groove. The mating post is slidably connected to the mating block, and the mating spring is used for the mating post to abut against the bottom of the vertical groove or the inclined groove.

[0009] By adopting the above technical solution, the sliding groove restricts the movement direction of the mating block. Through the sliding of the guide block and the sliding of the mating block, the mating column is located in the sliding groove. When the mating column moves from one set of grooves to another set of grooves under the action of the spring, due to the groove depth, the mating column cannot return to the previous set of grooves, making the path of the mating column guiding the mating block unique and improving the rationality of stator winding.

[0010] Optionally, the guide post is provided with a lead plate, and the lead plate has a guide hole to facilitate guiding the enameled wire to the guide wheel.

[0011] By adopting the above technical solution, the guide hole provides a fixed guiding path for the enameled wire, avoiding tangling caused by loosening or shaking before the enameled wire enters the guide wheel; the lead plate can straighten the enameled wire in advance, reduce friction with other components, and reduce the risk of paint damage.

[0012] Optionally, the guide post is slidably connected to the frame in a direction close to or away from the fixed post. The guide post is provided with a cooperating component, which includes a first bevel gear, a second bevel gear, a rotating wheel, a pull rope, and a retraction component. The first bevel gear is disposed on one end of the reciprocating lead screw, the second bevel gear is rotatably connected to the guide post and meshes with the first bevel gear, the rotating wheel is disposed on the second bevel gear, one end of the pull rope is wound onto the rotating wheel, and the other end of the pull rope is disposed on the frame. The retraction component is used to bring the guide post closer to the fixed post when the enameled wire is wound into the filling groove.

[0013] By adopting the above technical solution, when the guiding component guides the enameled wire to wind, the reciprocating screw drives the first bevel gear to rotate, the first bevel gear drives the rotating wheel to rotate, and the pull rope is wound onto the rotating wheel. The distance from one end of the rotating wheel to the rotating wheel is shortened, that is, the guide post moves away from the corresponding winding stator winding slot. As the guide post moves, the enameled wire can be wound evenly into the winding slot, reducing the stacking of the enameled wire and improving the winding effect of the enameled wire. When one winding slot in the stator is completed, the guide post can be brought closer to the fixed post again by the retraction component so that the next winding slot can be wound.

[0014] Optionally, a rotating column is provided on the second bevel gear, the rotating column being coaxially arranged with the second bevel gear, one end of the rotating column being disposed on the second bevel gear, the rotating wheel being rotatably connected to the rotating column, the rotating column being provided with a plurality of guide strips circumferentially, and the inner sidewall of the rotating wheel being provided with a plurality of guide grooves for the guide strips to engage, the retraction component including a mounting magnet, a first magnet, a second magnet, and a retraction spring, the mounting magnet being disposed on the sidewall of the rotating wheel, the first magnet and the second magnet being distributed along the moving direction of the guide column, when the enameled wire is wound to fill the wire groove, the mounting magnet and the first magnet are in a state of opposite pole attraction, causing the guide strip to disengage from the guide groove, the retraction spring being used to move the guide column toward the fixed column, and causing the mounting magnet and the second magnet to be in a state of like pole repulsion, causing the guide strip to be re-engaged into the guide groove.

[0015] By adopting the above technical solution, when the wire groove is filled with enameled wire, the mounting magnet is aligned with the first magnet, and the first magnet attracts the mounting magnet, causing the guide strip to detach from the guide groove. At this time, the roller can rotate relative to the rotating column, and the pull rope cannot generate tension. Under the action of the return spring, the guide column is driven to move towards the fixed column until the second magnet is aligned with the mounting magnet. The second magnet repels the mounting magnet, causing the guide strip to re-enter the guide groove. At this time, the roller rotates again with the rotating column so that when the enameled wire is wound next time, the guide column is moved away from the fixed column. The direction of movement of the guide column is perpendicular to the attraction direction of the magnet, which facilitates the mounting magnet to detach from the first magnet and the second magnet.

[0016] Optionally, the guide strip is provided with a guide slope to facilitate entry into the guide groove.

[0017] By adopting the above technical solution, the inclined plane reduces the resistance when the guide bar and the guide groove are engaged, so that the guide column can be smoothly reset after retraction, improving the smoothness of the mechanism operation, reducing mechanical failures, and ensuring the continuity of the winding process.

[0018] Optionally, the clamping seat is circumferentially provided with a plurality of spring pieces, which are used to abut against the outer side wall of the stator.

[0019] By adopting the above technical solution, the elastic contact of the spring against the outer wall of the stator provides a stable clamping force, making the axis of the stator parallel to the direction of movement of the guide block, which improves the winding effect of the enameled wire. The elastic clamping avoids hard squeezing and damage to the stator core, protects the stator structure, and improves the product qualification rate.

[0020] Optionally, the upper end face of the clamping seat is provided with a snap-fit ​​groove, which is used to restrict the rotation of the stator.

[0021] By adopting the above technical solution, the snap-fit ​​groove cooperates with the stator structure to further fix the circumferential position of the stator, prevent the enameled wire from being misaligned due to the rotation of the stator during winding, ensure that the winding is strictly distributed according to the preset groove position, avoid winding chaos caused by stator offset, and improve winding consistency.

[0022] Optionally, the clamping seat is rotatably connected to the frame, and the frame is provided with a positioning component for positioning the clamping seat. The positioning component includes a positioning spring and a positioning ball. The clamping seat has a plurality of positioning grooves, which correspond to the number of winding grooves of the stator. The positioning ball is slidably connected to the frame, and the positioning spring is used to engage the positioning ball in the positioning groove.

[0023] By adopting the above technical solution, after one of the winding slots in the stator is completed, the operator can rotate the clamping seat to allow the positioning bead to enter the adjacent positioning slot. Since the snap-fit ​​slot on the clamping seat snaps into the stator, the next limiting slot can be accurately aligned with the guide component, which facilitates the operator's operation and reduces the occurrence of winding errors of enameled wire due to angular deviation.

[0024] In summary, this application includes at least one of the following beneficial technical effects: 1. The guide assembly is used to wind the enameled wire into the stator's winding slot; 2. The cooperating component is used to move the guide post away from the fixed post, so that the enameled wire can cover the entire winding groove during the winding process; 3. The clamping seat is used to fix the stator so that the axis of the stator is parallel to the sliding direction of the guide block. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the winding device of a micro electronic stator.

[0026] Figure 2 yes Figure 1 A schematic diagram of the structure of the middle clamping seat.

[0027] Figure 3 This is a schematic diagram of the structure of the bootloader component.

[0028] Figure 4 yes Figure 3 A schematic diagram of the sliding groove in the guide column.

[0029] Figure 5 This is a schematic diagram of the structure of the collaborative components on the guide column.

[0030] Figure 6 This is a schematic diagram showing the positions of the first and second magnets.

[0031] Figure 7 This is a structural diagram of the positioning component.

[0032] Reference numerals: 1. Frame; 2. Clamping seat; 21. Snap-fit ​​groove; 22. Spring; 3. Fixing post; 31. Knotting post; 4. Guide post; 41. Sliding groove; 411. Vertical groove; 412. Inclined groove; 5. Guide assembly; 51. Reciprocating lead screw; 52. Guide motor; 53. Guide block; 531. Sliding rod; 54. Mating block; 55. Guide wheel; 551. Annular groove; 56. Mating part; 561. Mating spring; 562. Mating post 57. Lead wire plate; 571. Guide hole; 6. Coordinating component; 61. First bevel gear; 62. Second bevel gear; 63. Rotating wheel; 64. Pull rope; 65. Retracting component; 651. Mounting magnet; 652. First magnet; 653. Second magnet; 654. Retracting spring; 66. Rotating column; 67. Guide bar; 68. Guide groove; 69. Guide slope; 7. Positioning component; 71. Positioning spring; 72. Positioning bead; 73. Positioning groove. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1 -Appendix Figure 7 This application will be described in further detail.

[0034] This application discloses a winding device for a micro motor stator. (Refer to...) Figure 1 and Figure 2A winding device for a micro motor stator includes a frame 1, a clamping seat 2, a fixing post 3, a guide post 4, and a guiding assembly 5. The clamping seat 2 is annular, with its axis vertically aligned. The clamping seat 2 is rotatably connected to the frame 1. A snap-fit ​​groove 21 is formed on the upper surface of the clamping seat 2 for snapping the lower end face of the stator. Part of the winding groove on the lower end face of the stator is located within the snap-fit ​​groove 21. Several spring pieces 22 are fixedly arranged on the upper surface of the clamping seat 2, and these spring pieces 22 are evenly distributed circumferentially along the axis of the clamping seat 2. The cloth and spring piece 22 are used to abut against the outer wall of the stator. The fixing post 3 is set vertically and is located outside the clamping seat 2. The lower end face of the fixing post 3 is fixedly set on the frame 1. The fixing post 3 is provided with a knotting post 31, which is used to knot and fix one end of the enameled wire. The guide post 4 is set vertically and is located inside the clamping seat 2. The guide post 4 is slidably connected to the frame 1 in the direction close to or away from the fixing post 3. The guide component 5 is set on the guide post 4 and is used to guide the enameled wire to be wound onto the stator.

[0035] Reference Figure 1 and Figure 3 The guide assembly 5 includes a reciprocating screw 51, a guide motor 52, a guide block 53, a mating block 54, a guide wheel 55, and a mating component 56. The length direction of the reciprocating screw 51 is parallel to the length direction of the guide post 4, and the reciprocating screw 51 is rotatably connected to the guide post 4. The guide motor 52 is fixedly mounted on the guide post 4, and the output shaft of the guide motor 52 is fixedly connected to the upper end face of the reciprocating screw 51. The guide block 53 is slidably connected to the guide post 4 in the vertical direction and is threadedly connected to the reciprocating screw 51. Two sliding rods 531 are provided on the side wall of the guide block 53 facing the fixed post 3. The length direction of the two sliding rods 531 is horizontal and perpendicular to the sliding direction of the guide post 4. The mating block 54 is slidably connected to the sliding rod 531 along the length direction of the sliding rod 531. The axis of the guide wheel 55 is parallel to the length direction of the sliding rod 531. The guide wheel 55 is rotatably connected to the mating block 54. The guide wheel 55 has an annular groove 551 for limiting the enameled wire. The guide post 4 is provided with a lead plate 57. The lead plate 57 is horizontally set and its height is higher than that of the guide wheel 55. The lead plate 57 has a guide hole 571 with rounded corners on its sidewall.

[0036] Reference Figure 3 and Figure 4A sliding groove 41 is provided on the side wall of the guide post 4 facing the fixed post 3. The sliding groove 41 is parallelogram-shaped, and its depth extends along the direction from the mating block 54 to the guide post 4. The sliding groove 41 includes two vertical grooves 411 and two parallel inclined grooves 412. One vertical groove 411 and one inclined groove 412 form a groove group. The angle between the length direction of the vertical groove 411 and the length direction of the inclined groove 412 in a groove group is 135°. The groove depth of the vertical groove 411 away from the inclined groove 412 gradually increases from the end of the inclined groove 412 away from the vertical groove 411 in the groove group. The mating component 56 includes a mating spring 561 and a mating post 562. The length direction of the mating post 562 is parallel to the direction from the mating block 54 to the guide post 4. The mating post 562 is slidably connected to the mating block 54 along the length direction of the mating post 562. The mating post 562 is located in the sliding groove 41. The length direction of the mating spring 561 is parallel to the length direction of the mating post 562. One end of the mating spring 561 is fixedly set on the mating post 562, and the other end of the mating spring 561 is fixedly set on the mating block 54. The mating spring 561 is used to keep the mating post 562 abutting against the bottom of the sliding groove 41.

[0037] Reference Figure 4 and Figure 5 The guide post 4 is provided with a cooperating component 6 for driving the guide post 4 to move. The cooperating component 6 includes a first bevel gear 61, a second bevel gear 62, a rotating wheel 63, a pull rope 64, and a retraction component 65. The first bevel gear 61 is coaxially arranged with the reciprocating screw 51 and is fixedly arranged on the lower end face of the reciprocating screw 51. The axis of the second bevel gear 62 is horizontal and perpendicular to the sliding direction of the guide post 4. The second bevel gear 62 is rotatably connected to the guide post 4. The first bevel gear 61 and the second bevel gear 62 mesh. A rotating post 66 is provided on the second bevel gear 62. The rotating post 66 is coaxially arranged with the second bevel gear 62 and is fixedly arranged on one end of the second bevel gear 62. The rotating post 66 is provided with... A plurality of guide strips 67 are evenly distributed circumferentially along the axis of the rotating column 66. The length direction of the guide strips 67 is parallel to the length direction of the rotating column 66. A guide slope 69 is provided between the end of the guide strip 67 away from the second bevel gear 62 and the side wall of the guide strip 67. A rotating wheel 63 is sleeved on the rotating column 66. A plurality of guide grooves 68 are provided on the inner side wall of the rotating wheel 63. The guide grooves 68 are evenly distributed circumferentially along the axis of the rotating wheel 63. The guide grooves 68 are used to engage with the guide strips 67. One end of the pull rope 64 is fixedly set on the rotating wheel 63 and wound on the rotating wheel 63. The other end of the pull rope 64 is located on the side of the guide column 4 away from the fixed column 3 and is fixedly set on the frame 1.

[0038] Reference Figure 5 and Figure 6The retraction component 65 includes a mounting magnet 651, a first magnet 652, a second magnet 653, and a retraction spring 654. The length direction of the retraction spring 654 is parallel to the sliding direction of the guide post 4. The retraction spring 654 is located on the side of the guide post 4 away from the fixed post 3. One end of the retraction spring 654 is fixedly mounted on the guide post 4, and the other end is fixedly mounted on the frame 1. The mounting magnet 651 is coaxially mounted with the rotating wheel 63 and is fixedly mounted on the side of the rotating wheel 63 away from the second bevel gear 62. The first magnet 652 and the second magnet 653 are distributed along the sliding direction of the guide post 4, and both the first magnet 652 and the second magnet 653 are fixed. Mounted on the frame 1, when the winding groove on the stator completes the winding of the enameled wire, the mounting magnet 651 aligns with the first magnet 652. The mounting magnet 651 and the first magnet 652 are opposite poles and attract each other, causing the guide strip 67 to disengage from the guide groove 68. The rotating wheel 63 is in a free state, and the return spring 654, which was originally in a compressed state, will move towards the fixed post 3 via the guide post 4 until the mounting magnet 651 aligns with the second magnet 653. The second magnet 653 and the mounting magnet 651 are like poles and repel each other, causing the guide strip 67 to be snapped back into the guide groove 68. The second bevel gear 62 can drive the rotating wheel 63 to rotate through the rotating post 66, gradually causing the guide post 4 to move away from the fixed post 3.

[0039] Reference Figure 6 and Figure 7 The frame 1 is provided with a positioning component 7 for positioning the clamping seat 2. The positioning component 7 includes a positioning spring 71 and a positioning bead 72. The positioning bead 72 is slidably connected to the frame 1 in the vertical direction. The positioning spring 71 is vertically set. One end of the positioning spring 71 is fixedly set on the positioning bead 72, and the other end of the positioning spring 71 is fixedly set on the frame 1. The lower end face of the clamping seat 2 is provided with positioning grooves 73 in the same number as the stator positioning grooves 73. Several positioning grooves 73 are evenly distributed circumferentially along the axis of the clamping seat 2. The positioning spring 71 is used to engage the positioning bead 72 in the positioning groove 73.

[0040] The implementation principle of the winding device for a micro motor stator in this embodiment is as follows: The operator first places the stator to be wound onto the clamping seat 2, securing its position using the locking groove 21 and the spring piece 22. Then, the guide motor 52 is started, driving the reciprocating screw 51 to move. Guided by the sliding groove 41, the guide wheel 55 moves along a parallelogram trajectory, and the enameled wire is wound into the winding groove via the guide wheel 55. Simultaneously, the reciprocating screw 51 drives the first bevel gear 61 to rotate, which in turn drives the second bevel gear 62 to rotate. The rotating wheel 63 rotates, gradually winding the pull rope 64, compressing the return spring 654. At this time, the guide post 4 gradually moves away from the fixed post 3. The enameled wire can be evenly wound into the winding groove. When the first magnet 652 attracts the mounting magnet 651 on the rotating wheel 63, the guide groove 68 on the rotating wheel 63 disengages from the guide strip 67, and the rotating wheel 63 is in a free state. The return spring 654 returns to its original state, causing the guide post 4 to move towards the fixed post 3 until the second magnet 653 attracts the mounting magnet 651. The guide groove 68 on the rotating wheel 63 then engages with the guide strip 67 again. At this time, the second bevel gear 62 can drive the rotating wheel 63 to rotate, causing the guide post 4 to move away from the fixed post 3. After one winding groove has completed the winding of the enameled wire, the operator can rotate the clamping seat 2 and use the positioning bead 72 to enter the positioning groove 73 to judge the rotation of the clamping seat 2.

[0041] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A winding device for a micro motor stator, characterized in that: The device includes a frame, a clamping seat for holding the stator, a fixing post, a guide post, and a guiding assembly. The clamping seat is mounted on the frame, the fixing post is mounted on the frame, one end of the enameled wire is mounted on the fixing post, the guide post is mounted on the frame, and the guiding assembly is mounted on the guide post. The guiding assembly is used to wind the enameled wire into the winding groove of the stator. The guiding assembly includes a reciprocating screw, a guiding motor, a guiding block, a mating block, a guiding wheel for guiding the enameled wire, and a mating component. The length direction of the reciprocating screw is parallel to the axial direction of the stator on the clamping seat. The reciprocating screw is rotatably connected to the guide post. The guiding motor is used to drive the reciprocating screw to rotate. The guiding block is threadedly connected to the reciprocating screw. The mating block is slidably connected to the guiding block in a horizontal direction. The guiding wheel is rotatably connected to the mating block. The mating component is used to drive the mating block to move in a horizontal direction. The mating component includes a mating spring and a mating post. The guide post has a sliding groove on its side wall facing the mating block. The sliding groove is parallelogram-shaped and includes two vertical grooves and two parallel inclined grooves. One vertical groove and one inclined groove form a groove group, and the included angle between the vertical groove and the inclined groove is greater than 90°. The groove depth gradually increases from the end of the vertical groove away from the inclined groove to the end of the inclined groove away from the vertical groove. The mating post is slidably connected to the mating block, and the mating spring is used for the mating post to abut against the bottom of the vertical groove or the inclined groove. The guide post is slidably connected to the frame along the direction of approaching or moving away from the fixed post. The guide post is provided with a cooperating component, which includes a first bevel gear, a second bevel gear, a rotating wheel, a pull rope, and a retraction component. The first bevel gear is disposed on one end of the reciprocating screw, the second bevel gear is rotatably connected to the guide post and meshes with the first bevel gear, the rotating wheel is disposed on the second bevel gear, one end of the pull rope is wound onto the rotating wheel, and the other end of the pull rope is disposed on the frame. The retraction component is used to move the guide post closer to the fixed post when the enameled wire is wound to fill the wire-insertion groove. A rotating column is provided on the second bevel gear, and the rotating column is coaxially arranged with the second bevel gear. One end of the rotating column is located on the second bevel gear. The rotating wheel is rotatably connected to the rotating column. Several guide strips are arranged circumferentially on the rotating column. Several guide grooves are opened on the inner side wall of the rotating wheel. The guide grooves are used for the guide strips to engage. The retraction component includes a mounting magnet, a first magnet, a second magnet, and a retraction spring. The mounting magnet is located on the side wall of the rotating wheel. The first magnet and the second magnet are distributed along the moving direction of the guide column. When the enameled wire is wound to fill the wire groove, the mounting magnet and the first magnet are in a state of attraction between opposite poles, causing the guide strip to disengage from the guide groove. The retraction spring is used to move the guide column toward the fixed column and cause the mounting magnet and the second magnet to be in a state of repulsion between like poles, so that the guide strip is re-engaged into the guide groove.

2. The winding device for a micro motor stator according to claim 1, characterized in that: The guide post is provided with a lead plate, and the lead plate has a guide hole to facilitate guiding the enameled wire to the guide wheel.

3. The winding device for a micro motor stator according to claim 1, characterized in that: The guide strip has a guide slope that facilitates entry into the guide groove.

4. The winding device for a micro motor stator according to claim 1, characterized in that: The clamping seat is circumferentially provided with several spring pieces, which are used to abut against the outer wall of the stator.

5. The winding device for a micro motor stator according to claim 4, characterized in that: The upper end face of the clamping seat is provided with a snap-fit ​​groove, which is used to restrict the rotation of the stator.

6. The winding device for a micro motor stator according to claim 1, characterized in that: The clamping seat is rotatably connected to the frame. The frame is provided with a positioning component for positioning the clamping seat. The positioning component includes a positioning spring and a positioning ball. The clamping seat has a plurality of positioning slots, which correspond to the number of winding slots of the stator. The positioning ball is slidably connected to the frame. The positioning spring is used to engage the positioning ball in the positioning slot.

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