A winding mechanism for winding a stator core

Abstract

The application relates to the technical field of motor processing, and discloses a winding mechanism for winding a stator core, which comprises a winding machine shell, the lower end of the front side of the winding machine shell is fixedly connected with an extension base, the front side of the winding machine shell is inwardly recessed to form an installation groove, a stable mounting frame is fixedly connected with a winding motor on one side close to the winding machine shell, a convenient fixing base is arranged on the other side of the stable mounting frame, an iron core winding shaft is arranged on the convenient fixing base, an iron sheet access roller is fixedly connected with one end of the front side of the winding machine shell, a mounting side frame is fixedly connected with one side of the winding machine shell away from the iron sheet access roller, and sliding rails are fixedly connected with the mounting side frame. The winding mechanism for winding the stator core realizes quick fixing of the iron core winding shaft through cooperation of multiple components, is simple to operate, improves efficiency, has self-adapting adjusting capacity, expands the moving block and cooperates with the extension fixed plate, makes the mold replacement quick, reduces time, and improves the equipment use flexibility and production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor processing, in particular to a winding mechanism for winding stator core. BACKGROUND

[0002] The winding stator core is a special kind of motor stator core, and its manufacturing process is as follows: a silicon steel strip is sent into a high-speed punching step die, and single-sided edge-piercing square grooves with equal width are continuously punched out at a set interval. Then, the punched strip is tightly wound into a cylindrical shape by a winding mechanism, and the initial inner diameter of the winding is determined according to the inner diameter of the core. During the winding process, the winding mechanism controls the precise alignment of the edge-piercing square grooves at the same position of each winding layer. When the outer diameter of the winding reaches the required position of the core, the die cuts off the strip, and then the die pauses the punching process. The winding mechanism continues to work until the strip breakage is tightly wound to the outer cylindrical surface, and then the breakage is welded firmly by an automatic welding gun. Finally, the winding stator core is formed, and a cycle is completed.

[0003] In the existing winding stator core manufacturing process, there is a problem of inconvenient die replacement, which leads to a large amount of time spent on die adjustment when producing different products, reducing production efficiency. Specifically, the existing equipment adopts a complex fixing structure composed of bolts and buckles, which requires manual disassembly of dozens of fasteners, and the time spent on single die replacement is as long as 30-60 minutes. Moreover, the rigid connection between the die support frame and the platform leads to a lack of self-adaptive adjustment capability, and the position of the support frame needs to be repeatedly adjusted to match the size of the new die. In order to solve the above problems, the present application provides a winding mechanism for winding stator core. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a winding mechanism for winding stator core, which solves the above problems.

[0005] To achieve the above-mentioned purposes, the present application provides the following technical solution: a winding mechanism for winding stator core, comprising a winding machine shell, a extending base is fixedly connected to the lower end of the front side of the winding machine shell, a mounting recess is formed by recessing inwardly on the front side of the winding machine shell, a stable mounting frame is fixedly connected in the mounting recess, a winding motor is fixedly connected to the side of the stable mounting frame close to the winding machine shell, a convenient fixing base is provided on the other side of the stable mounting frame, an iron core winding shaft is provided on the convenient fixing base, an iron sheet inlet roller is fixedly connected to one end of the front side of the winding machine shell, an installation side frame is fixedly connected to the side of the winding machine shell away from the iron sheet inlet roller, a sliding rail is fixedly connected to the installation side frame, a moving motor is provided on the installation side frame, and a welding head is fixedly connected to the side of the iron core winding shaft extending from one end of the moving motor.

[0006] Preferably, a motor-driven lifting device is fixedly connected to the extension base directly below the iron core winding shaft, and a flattening roller is fixedly connected to the top of the motor-driven lifting device. The flattening roller is Y-shaped, and two metal rollers are rotatably connected to the top of the flattening roller.

[0007] Preferably, the convenient fixing base includes a mounting circular plate, a motor for expanding and moving, a counterweight, a reversing gearbox, and a sliding seat. The drive shaft of the winding motor extends to the other side of the stable mounting frame and is fixedly connected to the mounting circular plate. The motor for expanding and moving is fixedly connected to one end of the mounting circular plate near the stable mounting frame, and the counterweight is fixedly connected to the other end. The reversing gearbox is fixedly connected to one side of the drive shaft of the motor for expanding and moving. The reversing gearbox is fixedly inserted into the mounting circular plate and extends to the other side of the mounting circular plate. The sliding seat is fixedly connected to the side of the mounting circular plate away from the stable mounting frame.

[0008] Preferably, a bidirectional threaded screw is rotatably connected to the sliding seat. One end of the bidirectional threaded screw is fixedly connected to the drive shaft on the side of the reversing gearbox away from the motor for expanding and moving. Both ends of the bidirectional threaded screw are threadedly connected to movable bases. The two movable bases are movably engaged in the sliding seat. Expanding and moving blocks are fixedly connected to the front side of each movable base. The expanding and moving blocks are in the shape of a "7". The upper end of the expanding and moving blocks is fixedly connected to arc-shaped teeth.

[0009] Preferably, the convenient fixing base further includes connecting rods, a base, and fixing rods. Multiple connecting rods are fixedly connected to the annular outer end of the front side of the mounting circular plate, and the other end of the multiple connecting rods is fixedly connected to the base. The base is cylindrical and has a circular through groove. Six fixing rods distributed in an annular pattern are movably inserted into the front side of the base, and an annular fixing groove is formed on the inner wall of the base.

[0010] Preferably, the base has a front cavity and a rear cavity at the front and rear ends corresponding to the annular fixing groove, respectively. A clamping seat is rotatably connected in the inner cavity of the rear cavity. A clamping spring is fixedly connected to the back of each of the two clamping seats. The other ends of the two clamping springs are fixedly connected to the inner wall of the rear cavity. The two clamping springs are parallel to each other in position. One end of the fixing rod is in the shape of a circular block and can be movably locked between the two clamping seats. A reset spring is movably sleeved on the side of the expansion and movement motor corresponding to the inner cavity of the front cavity.

[0011] Preferably, a fitting circular plate is movably inserted into the circular through groove of the base. The end of the fitting circular plate away from the mounting circular plate is recessed inward to form an inner mounting groove. Six extended fixed plates arranged in a ring at equal intervals are placed in the inner mounting groove. Six limiting slide grooves arranged in a ring at equal intervals are opened on the inner wall of the reset spring. The limiting slide grooves are all inclined. Limiting rods are fixedly connected to the side of the extended fixed plates near the mounting circular plate. The limiting rods are movably inserted into the limiting slide grooves. Strip sliders are fixedly connected to the other side of the multiple extended fixed plates. Each strip slider has an insertion hole. The diameter of the insertion hole is larger than the diameter of the circular block at one end of the fixed insertion rod.

[0012] Preferably, a connecting circular plate is fixedly connected to one side of the fitting circular plate, and a driving rotating plate is movably engaged with the side of the connecting circular plate away from the limiting slide groove corresponding to the extending fixed plate in the inner cavity of the fitting circular plate. A hexagonal groove is opened on one side of the driving rotating plate, and multiple strip-shaped sliders are movably engaged in the hexagonal groove. A locking cavity is formed between the driving rotating plate and the inner wall of the connecting circular plate, and an iron core winding shaft is fixedly connected to the side of the connecting circular plate away from the fitting circular plate.

[0013] Preferably, the inner annular side of the drive plate is provided with annular teeth, which match the arc-shaped teeth.

[0014] Compared with the prior art, the present invention provides a winding mechanism for winding stator cores, which has the following advantages:

[0015] 1. The winding mechanism of this stator core, through the coordinated operation of components such as the expansion and movement motor, the reversing gearbox, and the bidirectional threaded screw, can quickly achieve the fixing of the core winding shaft. The mechanical locking pre-fixing between the expansion and movement block and the drive rotating plate, combined with the further locking of the extension plate and the fixing rod, makes the operation simple, greatly shortens the fixing time of the core winding shaft, and improves the overall work efficiency. Compared with the traditional fixing method, it reduces the cumbersome installation steps and saves manpower and time costs.

[0016] 2. Compared to traditional rigid connections between mold support frames and platforms, which lack adaptive adjustment capabilities when dealing with molds of different sizes and require repeated adjustments to the support frame position—a tedious and time-consuming process—this stator core winding mechanism possesses adaptive adjustment capabilities. During the fixing process, the expanding moving block applies a compressive force to both ends of the core winding shaft. Simultaneously, the extended fixing plate engages with the annular fixing groove. When the core winding shaft is rotated, the extended fixing plate moves within the hexagonal groove, automatically adapting to the new mold size and ultimately engaging with the annular fixing groove. This engagement between the expanding block and the annular fixing groove allows for precise mold matching to different sizes, eliminating the need for repeated manual adjustments to the support frame position and improving flexibility and adaptability during production.

[0017] 3. Due to its unique combination of the extension block (extension plate) and the annular fixing groove, the winding mechanism of this stator core winding system allows for quick disassembly and installation when changing molds, simply by following specific steps. Compared to traditional rigidly connected mold support frames, this significantly reduces the time required for mold changes, enabling the equipment to switch between different winding specifications more quickly, thus improving the equipment's flexibility and production efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the disassembled structure of the convenient fixed base and iron core winding shaft of the present invention;

[0020] Figure 3 This is a schematic diagram of the convenient fixed base structure of the present invention;

[0021] Figure 4 This is a schematic diagram of the extended movable block and movable base of the present invention;

[0022] Figure 5 This is a schematic diagram of the convenient fixed base disassembly structure of the present invention. Figure 1 ;

[0023] Figure 6 This is a schematic diagram of the cross-sectional structure of the base of the present invention;

[0024] Figure 7 This is a schematic diagram of the convenient fixed base disassembly structure of the present invention. Figure 2 ;

[0025] Figure 8 This is a schematic diagram of the reset spring and extension fixing plate of the present invention;

[0026] Figure 9 This is a schematic diagram of the drive plate of the present invention.

[0027] In the diagram: 1. Winding machine housing; 2. Extension base; 3. Stable mounting bracket; 4. Winding motor; 5. Convenient fixing base; 6. Iron core winding shaft; 7. Iron sheet access roller; 8. Mounting side frame; 9. Slide rail; 10. Moving motor; 11. Welding head; 12. Motor-driven lifting device; 13. Flattening pressure roller; 14. Mounting circular plate; 15. Extending and moving motor; 16. Counterweight; 17. Reversing gearbox; 18. Sliding seat; 19. Double-sided threaded screw; 2 0. Expanding moving block; 21. Connecting rod; 22. Arc-shaped teeth; 23. Moving base; 24. Base; 25. Fixed insertion rod; 26. Annular fixed groove; 27. Front cavity; 28. Rear cavity; 29. ​​Clamping seat; 30. Clamping spring; 31. Reset spring; 32. Adhering circular plate; 33. Driving rotating plate; 34. Connecting circular plate; 35. Extension fixed plate; 36. Strip slider; 37. Hexagonal groove; 38. Annular teeth; 39. Limiting slide groove. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1-9 A winding mechanism for winding a stator core includes a winding machine housing 1. An extension base 2 is fixedly connected to the lower end of the front side of the winding machine housing 1. The front side of the winding machine housing 1 is recessed inward to form an installation groove. A stable mounting bracket 3 is fixedly connected in the installation groove. A winding motor 4 is fixedly connected to the side of the stable mounting bracket 3 near the winding machine housing 1. A convenient fixing base 5 is provided on the other side of the stable mounting bracket 3. A core winding shaft 6 is provided on the convenient fixing base 5. An iron sheet access roller 7 is fixedly connected to one end of the front side of the winding machine housing 1. An installation side frame 8 is fixedly connected to the side of the winding machine housing 1 away from the iron sheet access roller 7. A slide rail 9 is fixedly connected to the installation side frame 8. A moving motor 10 is provided on the installation side frame 8. One end of the moving motor 10 extends to one side of the core winding shaft 6 and is fixedly connected to a welding head 11.

[0030] Furthermore, a motor-driven lifting device 12 is fixedly connected to the extension base 2 directly below the iron core winding shaft 6. A flattening roller 13 is fixedly connected to the top of the motor-driven lifting device 12. The flattening roller 13 is Y-shaped, and two metal rollers are rotatably connected to the top of the flattening roller 13. The motor-driven lifting device 12 is used to drive the flattening roller 13 to move up and down to adapt to different winding thicknesses and position requirements. The Y-shaped structure of the flattening roller 13 can press the strip material tightly during the winding process to prevent wrinkles or displacement, ensuring no misalignment between winding layers. The two metal rollers rotatably connected to its top help reduce friction with the strip material, allowing the strip material to pass through more smoothly.

[0031] Furthermore, the convenient fixing base 5 includes a mounting circular plate 14, a motor 15 for expanding and moving the support, a counterweight 16, a reversing gearbox 17, and a sliding seat 18. The drive shaft of the winding motor 4 extends to the other side of the stable mounting frame 3 and is fixedly connected to the mounting circular plate 14. One end of the mounting circular plate 14 near the stable mounting frame 3 is fixedly connected to the motor 15 for expanding and moving the support, and the other end is fixedly connected to the counterweight 16. The reversing gearbox 17 is fixedly connected to one side of the drive shaft of the motor 15 for expanding and moving the support. The reversing gearbox 17 is fixedly inserted into the mounting circular plate 14 and extends to the other side of the mounting circular plate 14. The sliding seat 18 is fixedly connected to the side of the mounting circular plate 14 away from the stable mounting frame 3. The mounting circular plate 14 serves as the basic support component of the convenient fixing base 5 and is used to connect the drive shaft of the winding motor 4 and other components. The motor 15 for expanding and moving the support provides power for the movement of the expanding and moving block 20. The counterweight 16 is used to balance the weight of the motor 15 for expanding and moving the support, so that the force on both sides of the mounting circular plate 14 is even, ensuring the stability of the device operation. The reversing gearbox 17 is used to change the rotation direction of the motor 15 for expanding and moving the support and transmit power to the bidirectional threaded screw 19. The sliding seat 18 provides a moving track and support for the moving base 23 and the expanding and moving block 20.

[0032] Furthermore, a bidirectional threaded screw 19 is rotatably connected to the sliding seat 18. One end of the bidirectional threaded screw 19 is fixedly connected to the drive shaft on the side of the reversing gearbox 17 away from the motor 15 for expanding and moving. Both ends of the bidirectional threaded screw 19 are threadedly connected to movable bases 23. The two movable bases 23 are movably engaged in the sliding seat 18. Expanding and moving blocks 20 are fixedly connected to the front side of each movable base 23. The expanding and moving blocks 20 are in the shape of a "7". The upper end of the expanding and moving blocks 20 is fixedly connected to arc-shaped teeth 22. The bidirectional threaded screw 19 rotates under the drive of the reversing gearbox 17, and the two movable bases 23 move in opposite directions or towards each other in the sliding seat 18 through the threads at both ends. The movable base 23 drives the expansion block 20 to move. The expansion block 20 is used to engage in the cavity formed between the drive plate 33 and the connecting plate 34 to initially fix the iron core winding shaft 6. The arc-shaped teeth 22 cooperate with the ring teeth 38 to achieve the pre-fixed state of mechanical locking.

[0033] Furthermore, the convenient fixing base 5 also includes connecting rods 21, a base 24, and fixing rods 25. Multiple connecting rods 21 are fixedly connected to the annular outer end of the front side of the mounting circular plate 14. The other end of the connecting rods 21 is fixedly connected to the base 24. The base 24 is cylindrical and has a circular through slot. Six fixing rods 25, arranged in annular intervals, are movably inserted into the front side of the base 24. An annular fixing groove 26 is formed on the inner wall of the base 24. The connecting rods 21 connect the mounting circular plate 14 and the base 24, providing support and fixation. The base 24 provides an installation position for fixing the iron core winding shaft 6, and its circular through slot is used to place the fitting circular plate 32 and the connecting circular plate 34. The fixing rods 25 are used to finally fix the iron core winding shaft 6, preventing it from loosening during winding. The annular fixing groove 26 cooperates with the extension fixing plate 35 to further enhance the fixing effect of the iron core winding shaft 6.

[0034] Furthermore, a front cavity 27 and a rear cavity 28 are respectively provided at the front and rear ends of the base 24 corresponding to the annular fixing groove 26. A clamping seat 29 is rotatably connected in the inner cavity of the rear cavity 28. Clamping springs 30 are fixedly connected to the back sides of the two clamping seats 29. The other ends of the two clamping springs 30 are fixedly connected to the inner wall of the rear cavity 28. The two clamping springs 30 are parallel to each other. One end of the fixing rod 25 is circular and can be movably locked between the two clamping seats 29. A reset spring 31 is movably sleeved on the side of the expansion and movement motor 15 corresponding to the inner cavity of the front cavity 27. The front cavity 27 and the rear cavity 28 provide installation space for the fixing rod 25 and the reset spring 31. Under the action of the clamping springs 30, the clamping seat 29 can clamp and fix the fixing rod 25, ensuring the stability of the fixing rod 25. The clamping spring 30 provides clamping force to the clamping seat 29, so that the fixing rod 25 can be firmly fixed between the clamping seats 29. The reset spring 31 provides reset force for the movement of the extension plate 35 during the rotation of the iron core winding shaft 6, so that the extension plate 35 can fit tightly with the annular fixing groove 26.

[0035] Furthermore, a fitting circular plate 32 is movably inserted into the circular through groove of the base 24. The end of the fitting circular plate 32 away from the mounting circular plate 14 is recessed inward to form an inner mounting groove. Six extended fixed plates 35 are placed in the inner mounting groove in a ring. Six limiting slide grooves 39 are provided on the inner wall of the reset spring 31 in a ring. The limiting slide grooves 39 are all inclined. Limiting rods are fixedly connected to the side of the extended fixed plates 35 near the mounting circular plate 14. The limiting rods are movably inserted into the limiting slide grooves 39. Strip sliders 36 are fixedly connected to the other side of the multiple extended fixed plates 35. Insertion holes are provided on the strip sliders 36. The diameter of the insertion holes is larger than the diameter of the circular block at one end of the fixed insertion rod 25. The front cavity 27 and the rear cavity 28 provide installation space for the fixed insertion rod 25 and the reset spring 31 and other components. The clamping seat 29, under the action of the clamping spring 30, can clamp and fix the fixed insertion rod 25, ensuring the stability of the fixed insertion rod 25. The clamping spring 30 provides clamping force to the clamping seat 29, so that the fixed insertion rod 25 can be firmly fixed between the clamping seats 29. The reset spring 31 provides reset force for the movement of the extension plate 35 during the rotation of the iron core winding shaft 6, so that the extension plate 35 can fit tightly with the annular fixing groove 26.

[0036] Furthermore, a connecting circular plate 34 is fixedly connected to one side of the fitting circular plate 32. A driving rotating plate 33 is movably engaged with the side of the extending fixed plate 35 away from the limiting slide groove 39 within the inner cavity of the connecting circular plate 34 and the fitting circular plate 32. A hexagonal groove 37 is formed on one side of the driving rotating plate 33, and multiple strip-shaped sliders 36 are movably engaged in the hexagonal groove 37. A retaining cavity is formed between the driving rotating plate 33 and the inner wall of the connecting circular plate 34. A core winding shaft 6 is fixedly connected to the side of the connecting circular plate 34 away from the fitting circular plate 32. The connecting circular plate 34 connects the fitting circular plate 32 and the core winding shaft 6. The driving rotating plate 33 engages with the strip-shaped sliders 36 through the hexagonal groove 37. When the core winding shaft 6 rotates, the driving rotating plate 33 remains stationary, allowing the strip-shaped sliders 36 to move within the hexagonal groove 37, thereby causing the extending fixed plate 35 to expand outwards. The cavity is used to cooperate with the expansion and moving block 20 to achieve the initial fixation of the iron core winding shaft 6.

[0037] Furthermore, the inner side of the drive plate 33 is provided with annular teeth 38, which match the arc teeth 22. The annular teeth 38 and the arc teeth 22 cooperate to achieve a mechanically locked pre-fixed state when the expansion block 20 moves, preventing the iron core winding shaft 6 from loosening during the initial fixing.

[0038] Working principle: When it is necessary to fix the iron core winding shaft 6, since the iron core winding shaft 6 and the convenient fixing base 5 are integrated, when it is necessary to fix the iron core winding shaft 6, the fitting circular plate 32 and the connecting circular plate 34 in the convenient fixing base 5 are placed in the circular through groove in the base 24. The inner wall of the circular through groove of the base 24 is fixedly connected to the support tray at the end near the mounting circular plate 14. The fitting circular plate 32 is placed against the support tray. At this time, the mounting inner groove of the fitting circular plate 32 can allow two expansion moving blocks 20 to be inserted. Then, the expansion moving motor 15 is started, and the rotation of the expansion moving motor 15 drives the reversing. The gearbox 17 rotates, and the rotational power of the motor 15 for expanding support movement is driven by the reversing gearbox 17 to drive the bidirectional threaded screw 19 to rotate. The rotation of the bidirectional threaded screw 19 causes the movable bases 23 located at both ends of it to move in opposite directions in the sliding seat 18. The two movable bases 23 drive the two expanding support moving blocks 20 to move, so that the locking block at the upper end of the expanding support moving block 20 is engaged in the locking cavity formed between the drive rotating plate 33 and the connecting circular plate 34. At this time, the arc-shaped tooth 22 abuts against the ring tooth 38. During this process, the arc-shaped tooth 22 and the ring tooth 38 initially mesh, forming a mechanically locked pre-fixed state.

[0039] Multiple fixed insert rods 25 are pulled upwards, causing the circular fasteners at one end of the fixed insert rods 25 to disengage from the clamping seat 29. Then, the rotating iron core winding shaft 6 drives the connecting circular plate 34 and the fitting circular plate 32 to rotate. Since the driving rotating plate 33 is engaged with the inner wall of the connecting circular plate 34, when the connecting circular plate 34 and the fitting circular plate 32 rotate, the driving rotating plate 33 does not rotate due to the engagement of the two arc-shaped teeth 22. Conversely, the multiple strip-shaped sliders 36, which are movably engaged in the hexagonal groove 37, move within the hexagonal groove 37 under the influence of the inner wall of the hexagonal groove 37 during rotation, causing the extension fixed plate 35 to gradually move outwards. At the same time, under the action of the limiting rod and the limiting slide groove 39, it moves stably outwards. Multiple extension plates 35 rotate within the annular fixing groove 26. As they rotate, they press upwards against the fixing rods 25. Finally, when the insertion holes on the extension plates 35 move below the circular block of the fixing rod 25, the fixing rod 25 moves into the rear cavity 28 under the push of the reset spring 31, and then the multiple fixing rods 25 are inserted into the clamping seat 29. This completes the fixing process. At this point, the iron core winding shaft 6, under the influence of the contacting circular plate 32 and the connecting circular plate 34, is subjected to the pressing force from the two expanding moving blocks 20 at both ends, as well as the engagement formed between the multiple extension plates 35 and the annular fixing groove 26. This stage, through the synergistic effect of centrifugal expansion and elastic reset, achieves automatic matching of mold dimensions and closed-loop control of positioning accuracy. Compared to traditional rigidly connected mold support frames, the cooperation between the expansion blocks 35 and the annular fixing groove 26 in this device significantly shortens mold replacement time.

[0040] After the mold is fixed, the winding motor 4 drives the iron core winding shaft 6 to rotate through the convenient fixing base 5. At the same time, the winding mechanism controls the precise alignment of the square grooves at the same position of each layer. The Y-shaped structure of the flattening pressure roller 13 continuously presses the strip during the winding process to prevent wrinkles or displacement and ensure that there is no misalignment between winding layers. When the outer diameter of the winding reaches the set value, the mold cuts the strip, and the welding head 11 is precisely positioned at the break point under the drive of the motor-driven lifting device 12 to complete the automatic welding. During the welding process, the clamping spring 30 of the fixing rod 25 and the reset spring 31 work together to ensure that the mold remains stable under high-frequency vibration. Finally, the winding mechanism continues to work until the break point is wound to the outer surface of the roll, and the welding gun completes the sealing welding to form a complete winding stator iron core.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A winding mechanism for winding a stator core, comprising a winding machine housing (1), characterized in that: An extension base (2) is fixedly connected to the lower end of the front side of the winding machine housing (1). The front side of the winding machine housing (1) is recessed inward to form an installation groove. A sturdy mounting bracket (3) is fixedly connected in the installation groove. A winding motor (4) is fixedly connected to the side of the sturdy mounting bracket (3) near the winding machine housing (1). A convenient fixing base (5) is provided on the other side of the sturdy mounting bracket (3). An iron core winding shaft (6) is provided on the convenient fixing base (5). An iron sheet inlet roller (7) is fixedly connected to one end of the front side of the winding machine housing (1). An installation side frame (8) is fixedly connected to the side of the winding machine housing (1) away from the iron sheet inlet roller (7). A slide rail (9) is fixedly connected to the installation side frame (8). A moving motor (10) is provided on the installation side frame (8). A welding head (11) is fixedly connected to one end of the moving motor (10) extending to the side of the iron core winding shaft (6). The convenient fixed base (5) includes a mounting circular plate (14), a motor for expanding and moving (15), a counterweight (16), a reversing gearbox (17), and a sliding seat (18). The drive shaft of the winding motor (4) extends to the other side of the stable mounting frame (3) and is fixedly connected to the mounting circular plate (14). The motor for expanding and moving (15) is fixedly connected to one end of the mounting circular plate (14) near the stable mounting frame (3), and the counterweight (16) is fixedly connected to the other end. The reversing gearbox (17) is fixedly connected to one side of the drive shaft of the motor for expanding and moving (15). The reversing gearbox (17) is fixedly inserted into the mounting circular plate (14) and extends to the other side of the mounting circular plate (14). The sliding seat (18) is fixedly connected to the side of the mounting circular plate (14) away from the stable mounting frame (3). A bidirectional threaded screw (19) is rotatably connected in the sliding seat (18). One end of the bidirectional threaded screw (19) is fixedly connected to the drive shaft on the side of the reversing gearbox (17) away from the motor (15) for expanding and moving. Both ends of the bidirectional threaded screw (19) are threadedly connected to a movable base (23). The two movable bases (23) are movably engaged in the sliding seat (18). The front side of each movable base (23) is fixedly connected to an expanding and moving block (20). The expanding and moving block (20) is in the shape of a "7". The upper end of the expanding and moving block (20) is fixedly connected to an arc-shaped tooth (22).

2. The winding mechanism for winding a stator core according to claim 1, characterized in that: A motor-driven lifting device (12) is fixedly connected to the extension base (2) directly below the iron core winding shaft (6). A flattening roller (13) is fixedly connected to the top of the motor-driven lifting device (12). The flattening roller (13) is Y-shaped, and two metal rollers are rotatably connected to the top of the flattening roller (13).

3. The winding mechanism for winding a stator core according to claim 1, characterized in that: The convenient fixed base (5) also includes connecting rods (21), base (24) and fixed insert rods (25). Multiple connecting rods (21) are fixedly connected to the annular outer end of the front side of the mounting circular plate (14). The other end of the multiple connecting rods (21) is fixedly connected to the base (24). The base (24) is cylindrical and has a circular through groove. Six fixed insert rods (25) are movably inserted into the front side of the base (24) and are distributed in an annular pattern. An annular fixed groove (26) is provided on the inner wall of the base (24).

4. A winding mechanism for winding a stator core according to claim 3, characterized in that: The base (24) has a front cavity (27) and a rear cavity (28) respectively at the front and rear ends of the annular fixing groove (26). A clamping seat (29) is rotatably connected in the inner cavity of the rear cavity (28). A clamping spring (30) is fixedly connected to the back of each of the two clamping seats (29). The other end of the two clamping springs (30) is fixedly connected to the inner wall of the rear cavity (28). The two clamping springs (30) are parallel to each other. One end of the fixing rod (25) is in the shape of a circular block and can be movably locked between the two clamping seats (29). A reset spring (31) is movably sleeved on the side of the expansion and movement motor (15) corresponding to the inner cavity of the front cavity (27).

5. A winding mechanism for winding a stator core according to claim 4, characterized in that: A fitting circular plate (32) is movably inserted into the circular through groove of the base (24). The end of the fitting circular plate (32) away from the mounting circular plate (14) is recessed inward to form an inner mounting groove. Six extended fixed plates (35) are placed in the inner mounting groove in a ring. Six limiting slide grooves (39) are provided on the inner wall of the reset spring (31) in a ring. The limiting slide grooves (39) are all distributed in an inclined manner. The side of the extended fixed plate (35) close to the mounting circular plate (14) is fixedly connected to a limiting rod. The limiting rod is movably inserted into the limiting slide groove (39). The other side of the multiple extended fixed plates (35) is fixedly connected to a strip slider (36). The strip slider (36) is provided with an insertion hole. The diameter of the insertion hole is larger than the diameter of the circular block at one end of the fixed insertion rod (25).

6. A winding mechanism for winding a stator core according to claim 5, characterized in that: A connecting plate (34) is fixedly connected to one side of the fitting circular plate (32). A driving rotating plate (33) is movably engaged with the side of the connecting plate (34) and the inner cavity of the fitting circular plate (32) corresponding to the extending fixed plate (35) away from the limiting slide groove (39). A hexagonal groove (37) is opened on one side of the driving rotating plate (33). Multiple strip sliders (36) are movably engaged in the hexagonal groove (37). A clamping cavity is formed between the driving rotating plate (33) and the inner wall of the connecting circular plate (34). A core winding shaft (6) is fixedly connected to the side of the connecting circular plate (34) away from the fitting circular plate (32).

7. A winding mechanism for winding a stator core according to claim 6, characterized in that: The inner side of the drive plate (33) is provided with annular teeth (38), which are matched with arc-shaped teeth (22).

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