Brushless DC motor stator core winding tool

Abstract

The invention discloses a stator core winding tool of a direct current brushless motor, and relates to the technical field of stator core processing. The fixing frame is arranged on one side of the upper surface of the workbench through a moving mechanism, a mechanical arm is connected to the fixing frame through a head shaking disc, and an ejector pin is fixed to an arm rod of the mechanical arm; the motor is fixed to the side, away from the fixing frame, of the upper surface of the workbench, a fixing shaft block is fixed to the upper side of the motor, the fixing shaft block is sleeved with a fixing cap, the stator iron core movably sleeves the fixing cap, and protruding strips on the outer ring wall of the fixing cap are movably inserted into inserting grooves in the inner ring wall of the stator iron core. The infrared rays are connected with the moving mechanism and the mechanical arm through the controller; the control switch is connected with the motor, and a counter is arranged on the rear side of the control switch and connected with the mechanical arm. The push-up mechanism is arranged in the fixing cap; the winding device can be fixed and pressed tightly during winding, the tightness is improved, meanwhile, counting can be carried out, the phenomenon that the number of turns is sometimes small and sometimes large is avoided, and motor operation is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of stator core processing, and in particular to a stator core winding tool for a brushless DC motor. Background Art

[0002] During the sample making stage, the stator core is not positioned with a fixture, which may cause the following problems: 1. The winding group does not have a certain tightness, some are tight and some are loose, which is not conducive to the operation of the rotor; 2. There is no count when the winding group is wound on the stator core, and the number of turns is sometimes small and sometimes large, which is not conducive to the operation of the motor; 3. Manual winding is difficult and time-consuming. Summary of the invention

[0003] The purpose of the present invention is to provide a DC brushless motor stator core winding tool with a reasonable design and easy use in view of the defects and shortcomings of the prior art, which can be fixed and pressed during the winding process, thereby improving the tightness and can also be counted to avoid the number of turns being sometimes small and sometimes large, which is beneficial to the operation of the motor.

[0004] To achieve the above object, the present invention adopts the following technical solution: it comprises a workbench and supporting feet, and the four corners of the lower surface of the workbench are fixed with supporting feet; it also comprises: A fixed frame, wherein the fixed frame is arranged on one side of the upper surface of the workbench through a moving mechanism, a mechanical arm is connected to the fixed frame through an oscillating plate, and an ejector pin is fixed on the arm rod of the mechanical arm; The motor is fixed on a side of the upper surface of the workbench away from the fixing frame, a fixed shaft block is fixed on the upper side of the motor, a fixing cap is sleeved on the outer side of the fixed shaft block, a stator core is movably sleeved on the fixing cap, and the bottom of the stator core is arranged to abut against the convex ring at the bottom of the fixing cap, and the convex strip on the outer ring wall of the fixing cap is movably inserted into the slot on the inner ring wall of the stator core; Infrared rays, the infrared rays are fixed to a corner of the rear side of the upper surface of the workbench, the monitoring end of the infrared rays is suspended on the upper side of the stator core, and the infrared rays are connected to the moving mechanism and the mechanical arm through the controller; A control switch, wherein the control switch is fixed to a corner of the front side of the upper surface of the workbench, the control switch is connected to the motor, a counter is arranged at the rear side of the control switch, and the counter is connected to the mechanical arm; A push-up mechanism, wherein the push-up mechanism is arranged in the fixing cap, and the push-up mechanism is arranged to cooperate with the stator core in a conflicting manner; Through the above technical scheme, the stator core is installed on the fixing cap, the size of the stator core is monitored by infrared, and the moving mechanism is started by infrared according to its size, the moving mechanism drives the fixing frame to move, and the fixing frame drives the mechanical arm to move, so that the mechanical arm moves to a suitable position, and after positioning, the winding is performed manually. During the winding process, the thimble of the mechanical arm presses the winding downward and fixes it to maintain tightness, and the thimble on the mechanical arm is pressed once for each circle, and the pressing is counted once by the counter, thereby preventing over-winding or under-winding. After winding once, the control switch is pressed, and the control switch starts the motor, and the motor drives the fixing cap to rotate through the fixed shaft block, and the convex strip on the fixing cap drives the stator core to rotate, so that the stator core rotates a certain angle until the next stator tooth rotates to the front side, and then the winding is continued until all windings are completed. After winding, the pushing mechanism is started, and the pushing mechanism drives the stator core to move upward, thereby facilitating the removal of the stator core.

[0005] As a further improvement of the present invention, the moving mechanism comprises: A moving block, wherein the moving block is fixed on the bottom wall of the fixed frame, and the moving block is slidably arranged in a slide groove on the upper surface of the workbench, and a moving screw rod is screwed in the center of the moving block through a thread, and both ends of the moving screw rod are screwed in the workbench through bearings respectively; A mobile motor, wherein the mobile motor is fixed on the lower surface of the workbench, the mobile motor is connected to the infrared ray through a controller, a square rod is fixed on the output shaft of the mobile motor, a rotating shaft is sleeved on the outer side of the square rod, and the rotating shaft is connected to one end of the mobile screw rod through a synchronous wheel transmission assembly; Through the above technical solution, the mobile motor is started through infrared monitoring, the mobile motor drives the rotating shaft to rotate through the square rod, the rotating shaft drives the moving screw to rotate through the synchronous wheel transmission assembly, and the moving screw drives the fixed frame to move through the moving block during the rotation process until the fixed frame moves to a suitable position.

[0006] As a further improvement of the present invention, a plurality of abutment wheels are fixed at equal distances on both the front and rear sides of the bottom wall of the fixing frame, and the abutment wheels are movably inserted into rectangular grooves on the upper surface of the workbench located on both the front and rear sides of the slide groove; Through the above technical solution, the stability of the fixing frame during movement can be increased.

[0007] As a further improvement of the present invention, a protective cover is screwed on the outer side of the rotating shaft through a bearing, the upper end of the protective cover is fixed on the bottom wall of the workbench, and the protective cover is arranged on the outer side of the synchronous wheel transmission assembly; Through the above technical solution, the stability performance of the rotating shaft and the synchronous wheel transmission assembly can be increased, and the aesthetics can also be improved.

[0008] As a further improvement of the present invention, the pushing mechanism comprises: Pushing racks, there are several pushing racks, and they are all arranged in an "L" shape. Several pushing racks are arranged at equal angles in the outer ring wall of the fixed cap, the horizontal plate of the pushing rack is arranged to conflict with the bottom wall of the stator core, and the vertical plate of the pushing rack is movably inserted in the movable groove on the outer ring wall of the fixed cap; Linkage plate, the linkage plate is suspended on the upper side of the fixed cap, and a plurality of push plates are fixed at equal angles on the lower surface of the linkage plate, the push plates are movably inserted in the annular wall of the fixed cap, and the push plates and the push frames are arranged one by one; Linkage gears, there are several linkage gears, and they are arranged one by one between adjacent push frames and push plates. The linkage gears are screwed into the ring wall of the fixed cap through bearings, and the linkage gears are meshed with the vertical plates of the push frames and the tooth grooves on the push plates; An electric push rod, wherein the electric push rod is embedded and fixed in the top wall of the fixing cap, the lower end of the fixing end of the electric push rod is embedded in the fixing shaft block, and the piston end of the electric push rod passes through the top wall of the fixing cap and is fixedly connected to the center of the lower surface of the linkage plate; Through the above technical solution, after the winding is completed, the electric push rod is started, the electric push rod drives the linkage plate to move downward, the linkage plate drives the push plate to move downward, when the push plate moves downward, it can drive the linkage gear to rotate, the linkage gear drives the push frame to move upward, and the horizontal plate of the push frame drives the stator core to move upward, so as to facilitate the removal of the stator core.

[0009] As a further improvement of the present invention, the vertical plate of the pushing frame and the two side walls of the pushing plate are fixed with limit blocks, and the limit blocks are slidably arranged in the sliding groove in the wall of the fixed cap ring; Through the above technical solution, the limiting block can prevent the pushing frame and the pushing plate from moving out of the fixing cap.

[0010] As a further improvement of the present invention, the outer side of the motor is provided with a sheath, the upper side of the sheath is matched and abutted with the bottom end of the fixing cap, and the lower side of the sheath is fixed on the upper surface of the workbench; Through the above technical solution, the fixing cap can be supported while protecting the motor, thereby increasing the stability of the fixing cap.

[0011] As a further improvement of the present invention, a threaded ring is screwed on the outer ring wall on the upper side of the sleeve through a thread, a resistance ring is fixed on the upper end of the threaded ring, the upper side of the inner ring wall of the resistance ring is inclined outward, and the inner ring wall of the resistance ring is equi-angled with the limit rod, and the inner end of the limit rod is movably inserted into the annular groove on the outer ring wall on the upper side of the sleeve after moving through the outer edge of the bottom of the fixing cap, and a reset spring is sleeved and fixed on one end of the limit rod located in the fixing cap, and the other end of the reset spring is fixedly connected to the inner wall of the fixing cap; Through the above technical solution, after the fixing cap is installed on the sleeve, the threaded ring is rotated. During the rotation, the threaded ring drives the resistance ring to move upward, and the inclined edge on the resistance ring resists the limiting rod. During the resistance, the limiting rod is pushed so that the limiting rod stretches the reset spring and is inserted into the annular groove on the sleeve. Therefore, the fixing cap can be limited without affecting the rotation of the fixing cap, thereby improving the stability of the stator core during rotation. When the motor and the fixing cap need to be inspected and replaced, the threaded ring is rotated in the opposite direction to separate the resistance ring from the limiting rod. At this time, the limiting rod moves outward under the elastic force of the reset spring, thereby facilitating the removal of the fixing cap.

[0012] As a further improvement of the present invention, an anti-slip layer is provided on the outer ring wall of the threaded ring, and a plurality of finger grooves are provided at equal angles on the outer ring wall of the threaded ring; Through the above technical solution, when the threaded ring needs to be driven to rotate, one of the fingers is inserted into the corresponding finger groove, and the palm is pressed against the anti-slip layer, thereby facilitating the threaded ring to rotate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The robot arm is set on the workbench through a moving mechanism and a fixed frame. When in use, it can move according to the size of the stator core and the infrared electrical control to meet the processing of stator cores of different specifications; 2. The ejector pin on the robot arm can be pressed in sequence around the ejector pin while winding the wire, so that it can be fixed and pressed to maintain the tightness; 3. During the winding process, the counter can be used to count, so as to prevent over-winding or under-winding. After winding one place, the control switch on the workbench can be pressed, and the motor will rotate to the next angle, so as to facilitate the winding of the next stator tooth. 4. A push-up mechanism is provided on the fixing cap. After all the stator teeth on the stator core are wound, the stator core can be pushed up by the push-up mechanism, thereby facilitating the removal of the stator core. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 for Figure 1 Enlarged view of part A in the middle.

[0016] Figure 3 It is an exploded view of the stator core, the fixing cap, the motor and the fixing shaft block in the present invention.

[0017] Figure 4 It is an exploded view of the moving mechanism in the present invention.

[0018] Figure 5It is a structural schematic diagram of the pushing mechanism in the present invention.

[0019] Figure 6 for Figure 5 Enlarged view of part B in the middle.

[0020] Figure 7 It is an exploded view of the fixing cap, the sleeve, the threaded ring and the interference ring in the present invention.

[0021] Figure 8 for Figure 7 Enlarged view of part C in the middle.

[0022] Description of reference numerals: Workbench 1, supporting feet 2, fixed frame 3, moving mechanism 4, moving block 4-1, moving screw rod 4-2, moving motor 4-3, square rod 4-4, rotating shaft 4-5, mechanical arm 5, ejector 6, motor 7, fixed shaft block 8, fixing cap 9, stator core 10, infrared ray 11, control switch 12, counter 13, pushing mechanism 14, pushing frame 14-1, linkage plate 14-2, pushing plate 14-3, linkage gear 14-4, electric push rod 14-5, contact wheel 15, protective cover 16, limit block 17, sheath 18, threaded ring 19, contact ring 20, limit rod 21, reset spring 22, anti-slip layer 23, finger groove 24. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention. Example

[0024] like Figure 1-Figure 8 As shown, this embodiment comprises a workbench 1 and support legs 2, and the support legs 2 are welded and fixed at the four corners of the lower surface of the workbench 1; it also comprises: A fixed frame 3, wherein the fixed frame 3 is arranged on the left side of the upper surface of the workbench 1 through a moving mechanism 4, and a mechanical arm 5 is connected to the fixed frame 3 through a shaking plate, and an ejector pin 6 is fixed on the arm of the mechanical arm 5; The motor 7 is fixed to the upper surface of the workbench 1 on a side away from the fixing frame 3 by bolts, a fixed shaft block 8 is fixed to the upper side of the motor 7, a fixing cap 9 is sleeved on the outer side of the fixed shaft block 8, a stator core 10 is movably sleeved on the fixing cap 9, and the bottom of the stator core 10 is set against the convex ring at the bottom of the fixing cap 9, and the convex strip on the outer ring wall of the fixing cap 9 is movably inserted into the slot on the inner ring wall of the stator core 10; Infrared ray 11, the infrared ray 11 is fixed to the right corner of the rear side of the upper surface of the workbench 1 by bolts, the monitoring end of the infrared ray 11 is suspended on the upper side of the stator core 10, and the infrared ray 11 is connected to the moving mechanism 4 and the mechanical arm 5 through a controller; A control switch 12, wherein the control switch 12 is fixed to the right corner of the front side of the upper surface of the workbench 1 by bolts, the control switch 12 is connected to the motor 7, and a counter 13 is provided at the rear side of the control switch 12, and the counter 13 is connected to the robot arm 5; The pushing mechanism 14 is arranged in the fixing cap 9 , and the pushing mechanism 14 and the stator core 10 are matched and abutted against each other. Example

[0025] See also Figure 1 , Figure 4 As shown, based on Example 1, the moving mechanism 4 includes: A moving block 4-1, wherein the moving block 4-1 is fixed to the bottom wall of the fixing frame 3 by bolts, and the moving block 4-1 is slidably arranged in a slide groove on the upper surface of the workbench 1, and a moving screw rod 4-2 is screwed in the center of the moving block 4-1 by threads, and both ends of the moving screw rod 4-2 are screwed in the workbench 1 by bearings respectively; a plurality of abutment wheels 15 are welded and fixed at equal distances on both sides of the front and rear of the bottom wall of the fixing frame 3, and the abutment wheels 15 are movably inserted in rectangular grooves on the upper surface of the workbench 1 on both sides of the front and rear of the slide groove, so as to increase the stability of the fixing frame 3 when it moves; A mobile motor 4-3, wherein the mobile motor 4-3 is fixed to the lower surface of the workbench 1 by bolts, the mobile motor 4-3 is connected to the infrared ray 11 through a controller, a square rod 4-4 is fixed to the output shaft of the mobile motor 4-3, a rotating shaft 4-5 is sleeved on the outer side of the square rod 4-4, the rotating shaft 4-5 is connected to the left end of the mobile screw rod 4-2 through a synchronous wheel transmission assembly; a protective cover 16 is screwed on the outer side of the rotating shaft 4-5 through a bearing, the upper end of the protective cover 16 is fixed to the bottom wall of the workbench 1 by bolts, and the protective cover 16 is arranged on the outer side of the synchronous wheel transmission assembly, which can increase the stability of the rotating shaft 4-5 and the synchronous wheel transmission assembly, and at the same time increase the aesthetics. Example 1

[0026] See also Figure 1-2 , Figure 5-6 As shown, based on the first embodiment, the pushing mechanism 14 comprises: Pushing frame 14-1, there are several pushing frames 14-1, and they are all set in "L" shape, several pushing frames 14-1 are set at equal angles in the outer ring wall of the fixing cap 9, the horizontal plate of the pushing frame 14-1 is set against the bottom wall of the stator core 10, and the vertical plate of the pushing frame 14-1 is movably inserted in the movable groove on the outer ring wall of the fixing cap 9; Linkage plate 14-2, the linkage plate 14-2 is suspended on the upper side of the fixed cap 9, and a plurality of push plates 14-3 are welded and fixed at equal angles on the lower surface of the linkage plate 14-2, and the push plates 14-3 are movably inserted in the annular wall of the fixed cap 9, and the push plates 14-3 are arranged one by one with the push frame 14-1; the vertical plate of the push frame 14-1 and the two side walls of the push plate 14-3 are welded and fixed with limit blocks 17, and the limit blocks 17 are slidably arranged in the slide groove in the annular wall of the fixed cap 9, and the limit blocks 17 can prevent the push frame 14-1 and the push plate 14-3 from moving out of the fixed cap 9; Linkage gear 14-4, there are several linkage gears 14-4, and they are arranged one by one between adjacent push frames 14-1 and push plates 14-3, the linkage gear 14-4 is screwed into the annular wall of the fixing cap 9 through a bearing, and the linkage gear 14-4 is meshed with the vertical plate of the push frame 14-1 and the tooth groove on the push plate 14-3; The electric push rod 14-5 is embedded and fixed in the top wall of the fixing cap 9, the lower end of the fixed end of the electric push rod 14-5 is embedded in the fixed shaft block 8, and after the piston end of the electric push rod 14-5 passes through the top wall of the fixing cap 9, it is fixedly connected to the center of the lower surface of the linkage plate 14-2 by bolts. Example 2

[0027] See also Figure 1 , 3 , Figure 7-8 As shown, on the basis of Example 1, the outer side of the motor 7 is provided with a sheath 18, the upper side of the sheath 18 is matched with the bottom end of the fixing cap 9, and the lower side of the sheath 18 is fixed to the upper surface of the workbench 1 by bolts, which can support the fixing cap 9 while protecting the motor 7, thereby increasing the stability of the fixing cap 9 6; a threaded ring 19 is screwed on the outer ring wall on the upper side of the sheath 18 by thread, and a contact ring 20 is welded and fixed on the upper end of the threaded ring 19, and the upper side of the inner ring wall of the contact ring 20 faces outward. It is arranged obliquely, and the inner ring wall of the abutment ring 20 abuts against the limiting rod 21 at an equal angle. After the inner end of the limiting rod 21 moves through the outer edge of the bottom of the fixing cap 9, it is movably inserted into the annular groove on the outer ring wall on the upper side of the sheath 18. A return spring 22 is sleeved and welded on one end of the limiting rod 21 located in the fixing cap 9, and the other end of the return spring 22 is welded and fixed to the inner wall of the fixing cap 9; an anti-slip layer 23 is provided on the outer ring wall of the threaded ring 19, and a plurality of finger grooves 24 are opened at equal angles on the outer ring wall of the threaded ring 19.

[0028] When using the present invention, the stator core 10 is installed on the fixing cap 9, and the moving motor 4-3 is started according to the size of the stator core 10 through the monitoring of the infrared ray 11. The moving motor 4-3 drives the rotating shaft 4-5 to rotate through the square rod 4-4, and the rotating shaft 4-5 drives the moving screw 4-2 to rotate through the synchronous wheel transmission assembly. During the rotation process, the moving screw 4-2 drives the fixing frame 3 to move through the moving block 4-1, and the fixing frame 3 drives the mechanical arm 5 to move, so that the mechanical arm 5 moves to a suitable position. After positioning, the winding is performed manually. During the winding process, the ejector pin 6 of the mechanical arm 5 presses the winding downward and fixes it to maintain the tightness. At the same time, the ejector pin 6 on the mechanical arm 5 is pressed once for one circle of winding, and the pressing once is counted once by the counter 13, so as to prevent over-winding or under-winding. After completing once, press the control switch 12, the control switch 12 starts the motor 7, the motor 7 drives the fixing cap 9 to rotate through the fixing shaft block 8, the convex strip on the fixing cap 9 drives the stator core 10 to rotate, so that the stator core 10 rotates a certain angle until the next stator tooth rotates to the front side, and then continues to wind until all the windings are completed. After winding, start the electric push rod 14-5, the electric push rod 14-5 drives the linkage plate 14-2 to move downward, the linkage plate 14-2 drives the push plate 14-3 to move downward, and the push plate 14-3 can drive the linkage gear 14-4 to rotate when it moves downward, and the linkage gear 14-4 drives the push frame 14-1 to move upward, and the horizontal plate of the push frame 14-1 drives the stator core 10 to move upward, so that the stator core 10 is easy to remove; After the fixing cap 9 is installed on the sleeve 18, one of the fingers is inserted into the corresponding finger groove 24, and the palm of the hand contacts the anti-slip layer 23, so as to facilitate the rotation of the threaded ring 19. During the rotation, the threaded ring 19 drives the contact ring 20 to move upward, and the inclined edge on the contact ring 20 contacts the limit rod 21. During the contact process, the limit rod 21 is pushed so that the limit rod 21 stretches the reset spring 22 and is inserted into the annular groove on the sleeve 18, so that the fixing cap 9 can be limited without affecting the rotation of the fixing cap 9, thereby improving the stability of the stator core 10 during rotation. When the motor 7 and the fixing cap 9 need to be inspected and replaced, the threaded ring 19 is rotated in the opposite direction to separate the contact ring 20 from the limit rod 21. At this time, the limit rod 21 moves outward under the elastic force of the reset spring 22, so as to facilitate the removal of the fixing cap 9.

[0029] Compared with the prior art, the beneficial effects of this specific implementation are as follows: 1. The robot arm 5 is arranged on the workbench 1 through the moving mechanism 4 and the fixing frame 3. When in use, it can be moved according to the size of the stator core 10 and the electrical control of the infrared ray 11, so as to meet the processing of stator cores 10 of different specifications; 2. The ejector pin 6 on the robot arm 5 can be pressed in sequence around the ejector pin 6 while the winding work is being performed, so that the ejector pin 6 can be fixed and pressed to death, thereby maintaining the tightness; 3. During the winding process, the counter 13 can be used to count, so as to prevent over-winding or under-winding. After winding one place, the control switch 12 on the workbench 1 can be pressed, and the motor 7 will rotate to the next angle, so as to facilitate the winding of the next stator tooth. 4. A push-up mechanism 14 is provided on the fixing cap 9. After all the stator teeth on the stator core 10 are wound, the stator core 10 can be pushed up by the push-up mechanism 14, so that the stator core 10 can be easily removed.

[0030] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A DC brushless motor stator core winding tool, comprising a workbench (1) and support legs (2), wherein the support legs (2) are fixed to four corners of the lower surface of the workbench (1); the characteristics are: It also contains: A fixed frame (3), the fixed frame (3) being arranged on one side of the upper surface of the workbench (1) via a moving mechanism (4), the fixed frame (3) being connected to a mechanical arm (5) via a shaking plate, and a thimble (6) being fixed on the arm of the mechanical arm (5); A motor (7), wherein the motor (7) is fixed on a side of the upper surface of the workbench (1) away from the fixed frame (3), a fixed shaft block (8) is fixed on the upper side of the motor (7), a fixed cap (9) is sleeved on the outer side of the fixed shaft block (8), a stator core (10) is movably sleeved on the fixed cap (9), and the bottom of the stator core (10) is arranged to abut against a convex ring at the bottom of the fixed cap (9), and a convex strip on the outer ring wall of the fixed cap (9) is movably inserted into a slot on the inner ring wall of the stator core (10); Infrared ray (11), the infrared ray (11) is fixed to a corner of the rear side of the upper surface of the workbench (1), the monitoring end of the infrared ray (11) is suspended on the upper side of the stator core (10), and the infrared ray (11) is connected to the moving mechanism (4) and the mechanical arm (5) through a controller; A control switch (12), wherein the control switch (12) is fixed to a corner of the front side of the upper surface of the workbench (1), the control switch (12) is connected to the motor (7), a counter (13) is arranged on the rear side of the control switch (12), and the counter (13) is connected to the robot arm (5); A push-up mechanism (14) is disposed in the fixing cap (9), and the push-up mechanism (14) is arranged to cooperate with and abut against the stator core (10).

2. The DC brushless motor stator core winding tool according to claim 1, characterized in that: The moving mechanism (4) comprises: A moving block (4-1), wherein the moving block (4-1) is fixed on the bottom wall of the fixed frame (3), the moving block (4-1) is slidably arranged in a slide groove on the upper surface of the workbench (1), a moving screw rod (4-2) is screwed in the center of the moving block (4-1) via a thread, and both ends of the moving screw rod (4-2) are screwed in the workbench (1) via bearings; A moving motor (4-3) is fixed on the lower surface of the workbench (1), the moving motor (4-3) is connected to the infrared ray (11) via a controller, a square rod (4-4) is fixed on the output shaft of the moving motor (4-3), a rotating shaft (4-5) is sleeved on the outer side of the square rod (4-4), and the rotating shaft (4-5) is connected to one end of the moving screw rod (4-2) via a synchronous wheel transmission assembly.

3. The DC brushless motor stator core winding tool according to claim 2, characterized in that: A plurality of abutment wheels (15) are fixed at equal distances on both the front and rear sides of the bottom wall of the fixing frame (3), and the abutment wheels (15) are movably inserted into rectangular grooves on the upper surface of the workbench (1) located on both the front and rear sides of the slide groove.

4. The DC brushless motor stator core winding tool according to claim 2, characterized in that: A protective cover (16) is screwed onto the outer side of the rotating shaft (4-5) via a bearing, the upper end of the protective cover (16) is fixed to the bottom wall of the workbench (1), and the protective cover (16) is arranged on the outer side of the synchronous wheel transmission assembly.

5. The DC brushless motor stator core winding tool according to claim 1, characterized in that: The pushing mechanism (14) comprises: A push frame (14-1), wherein the push frames (14-1) are in a plurality and are all arranged in an "L" shape, the plurality of push frames (14-1) are arranged at equal angles inside the outer ring wall of the fixing cap (9), the horizontal plates of the push frames (14-1) are arranged to abut against the bottom wall of the stator core (10), and the vertical plates of the push frames (14-1) are movably inserted into movable grooves on the outer ring wall of the fixing cap (9); A linkage plate (14-2), wherein the linkage plate (14-2) is suspended on the upper side of the fixed cap (9), and a plurality of push plates (14-3) are fixed at equal angles on the lower surface of the linkage plate (14-2), the push plates (14-3) are movably inserted in the annular wall of the fixed cap (9), and the push plates (14-3) and the push frames (14-1) are arranged in a one-to-one correspondence; Linkage gears (14-4), wherein there are a plurality of linkage gears (14-4) which are arranged one by one between adjacent push frames (14-1) and push plates (14-3); the linkage gears (14-4) are screwed into the annular wall of the fixing cap (9) via bearings; the linkage gears (14-4) are meshed with the vertical plates of the push frames (14-1) and the tooth grooves on the push plates (14-3); An electric push rod (14-5), wherein the electric push rod (14-5) is embedded in and fixed in the top wall of a fixing cap (9), the lower end of the fixing end of the electric push rod (14-5) is embedded in a fixing shaft block (8), and the piston end of the electric push rod (14-5) passes through the top wall of the fixing cap (9) and is fixedly connected to the center of the lower surface of the linkage plate (14-2).

6. The DC brushless motor stator core winding tool according to claim 5, characterized in that: Limit blocks (17) are fixed on both side walls of the vertical plate of the pushing frame (14-1) and the pushing plate (14-3), and the limit blocks (17) are slidably arranged in a slide groove in the ring wall of the fixing cap (9).

7. The DC brushless motor stator core winding tool according to claim 1, characterized in that: The outer side of the motor (7) is provided with a protective sleeve (18), the upper side of the protective sleeve (18) is matched and abutted against the bottom end of the fixing cap (9), and the lower side of the protective sleeve (18) is fixed on the upper surface of the workbench (1).

8. The DC brushless motor stator core winding tool according to claim 7, characterized in that: A threaded ring (19) is screwed onto the outer ring wall on the upper side of the sleeve (18) through a thread, and a contact ring (20) is fixed to the upper end of the threaded ring (19). The upper side of the inner ring wall of the contact ring (20) is inclined outward, and the inner ring wall of the contact ring (20) contacts a limit rod (21) at an equal angle. After the inner end of the limit rod (21) moves through the outer edge of the bottom of the fixing cap (9), it is movably inserted into the annular groove on the outer ring wall on the upper side of the sleeve (18). A return spring (22) is sleeved and fixed on one end of the limit rod (21) located in the fixing cap (9), and the other end of the return spring (22) is fixedly connected to the inner wall of the fixing cap (9).

9. A DC brushless motor stator core winding tool as claimed in claim 8, characterized in that: An anti-slip layer (23) is provided on the outer ring wall of the threaded ring (19), and a plurality of finger grooves (24) are provided at equal angles on the outer ring wall of the threaded ring (19).

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