Stator device winding shaping mechanism

Abstract

The application discloses a stator device winding shaping mechanism and belongs to the technical field of stator coil shaping. The mechanism comprises a rack, a lower support frame rotatably connected to the middle part of the rack through a bearing seat, an upper support frame slidingly installed on the top of the inner wall of the rack through a sliding rail, a lower shaping unit and an upper shaping unit respectively assembled on the lower support frame and the upper support frame, and the lower shaping unit and the upper shaping unit are of the same structure. The lower shaping unit and the upper shaping unit are arranged, the inside and outside walls of the stator coil are simultaneously trimmed, the contact piece rotates with the base, the fitting shaft on the contact piece dynamically surrounds the outside wall of the coil for trimming, the problem of traditional outer mold lobe gap extrusion protrusion is eliminated, the roundness of the coil end part is significantly optimized, the winding shape is more regular, meanwhile, the inner contact assembly can synchronously abut against the inside wall of the coil, and the inner and outer bidirectional shaping structures are formed with the outer contact piece, the inside and outside profiles of the coil are simultaneously corrected, and the problems of loose inner layer and unevenly compressed outer layer are solved.

Description

Technical Field

[0001] This invention relates to the field of stator coil shaping technology, and more particularly to a stator winding shaping mechanism. Background Technology

[0002] As a core component of power equipment, the quality of the stator coil winding directly determines the motor's insulation performance, operational stability, and service life.

[0003] After the stator is wound by the winding machine, the coil ends are messy, the outline is deformed, and the density is uneven. A special shaping mechanism must be used to straighten and shape the winding ends in order to meet the subsequent assembly and use standards.

[0004] Currently, the industry generally adopts the traditional forming method of center mandrel positioning combined with multi-lobed outer mold encirclement and axial downward pressure. However, in actual use, there are gaps after the multi-lobed outer mold is encircled. When axial pressure is applied for forming, the flexible enameled wire is easily squeezed into the gap between the mold lobes under the pressure, causing local bulges on the outer wall of the coil and insufficient end roundness accuracy, which is not conducive to subsequent assembly operations. At the same time, this method only relies on static clamping and unilateral downward pressure forming, and cannot simultaneously trim the inner and outer walls of the coil. The inner layer of the winding is not compact enough, the outer layer stress is concentrated, and the stress accumulates at the end bending position, which is prone to causing hidden cracks and reducing the reliability of motor insulation. Summary of the Invention

[0005] The purpose of this invention is to provide a stator winding shaping mechanism to address the problem that flexible enameled wires easily slip into the gap between the die segments under the pressure of axial compression during shaping, causing local bulges on the outer wall of the coil.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A stator winding shaping mechanism includes a frame, a lower support frame rotatably connected to the middle of the frame via a bearing seat, and an upper support frame slidably mounted on the top of the inner wall of the frame via a slide rail. A lower shaping unit and an upper shaping unit are respectively assembled on the lower support frame and the upper support frame, and the lower shaping unit and the upper shaping unit have the same structure. The lower shaping unit includes a base rotatably connected to the top of the lower support frame, and a mounting plate is fixed to the top of the base; The mounting plate has a contact element slidably connected to it via a guide groove. The top of the inner wall of the base is rotatably connected to an adjustment plate. Driven by the adjustment plate, the contact element can fit inward against the outer wall of the stator and the outer wall of the coil.

[0007] As a further description of the above technical solution: The contact element includes an H-shaped movable seat slidably connected in a guide groove, one end of the H-shaped movable seat is rotatably connected to a fitting shaft, and the upper surface of the H-shaped movable seat is rotatably connected to a positioning shaft.

[0008] As a further description of the above technical solution: The lower shaping unit also includes multiple guide slots on the adjustment plate. Guide posts with their top ends connected to the H-shaped movable seat are inserted into the guide slots. An electric push rod is rotatably connected to the outer wall of the base via a mounting support. One end of the electric push rod is rotatably connected to a connecting ear, and one end of the connecting ear is connected to the adjustment plate.

[0009] As a further description of the above technical solution: The lower shaping unit also includes an inner contact assembly assembled at the center of the base. The inner contact assembly includes a ring seat rotatably connected to the center of the bottom of the base. A lower retaining tube is installed on the top of the ring seat, and an upper retaining tube is rotatably connected to the top of the lower retaining tube. Furthermore, both the lower and upper retaining tubes have slots on their outer walls to accommodate inner contact seats, and a spring with one end connected to the inner contact seat is installed on one side wall of the slot.

[0010] As a further description of the above technical solution: Multiple vertical shafts are installed on the inner bottom of the lower support frame. A base plate is fixedly sleeved on the bottom of the outer surface of the vertical shaft, and a third electric hydraulic rod is mounted on the base plate. A movable plate connected to the bottom of the third electric hydraulic rod is slidably sleeved on the middle of the outer surface of the vertical shaft, and an installation shaft is fixed on the movable plate. The mounting shaft is fixed with a lower conical seat at one end that passes through the inner contact seat, and an upper conical seat is fixed at the top of the lower conical seat. The inner side of the lower inner contact seat and the inner side of the upper inner contact seat are respectively fixed with a lower inclined block and an upper inclined block that are adapted to the lower conical seat and the upper conical seat.

[0011] As a further description of the above technical solution: The bottom end of the ring seat is fixed with a first pulley, and the other side of the lower surface of the lower support frame is rotatably connected with a second pulley. The first pulley and the second pulley are meshed with a synchronous belt. The lower surface of the lower support frame is equipped with a second motor connected to the second pulley via a motor frame.

[0012] As a further description of the above technical solution: The lower shaping unit also includes a gear ring fixedly sleeved on the outer surface of the base, and a gear meshing with the gear ring is rotatably connected to the upper surface of the lower support frame. A first motor with its output end connected to the gear is assembled on one side of the lower surface of the lower support frame.

[0013] As a further description of the above technical solution: The top of the frame is equipped with a first electro-hydraulic rod, and one end of the first electro-hydraulic rod is connected to the upper support frame.

[0014] As a further description of the above technical solution: A crossbeam is fixed to the bottom of the outer wall of the lower support frame, and a second electro-hydraulic rod is rotatably connected to the outer wall of the crossbeam. One end of the second electro-hydraulic rod is rotatably connected to the inner side of the frame.

[0015] As a further description of the above technical solution: Both sides of the frame are equipped with a fourth electro-hydraulic rod, and one end of the fourth electro-hydraulic rod is equipped with an arc-shaped side clamp.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: By setting up a lower shaping unit and an upper shaping unit, the inner and outer walls of the stator coil are simultaneously trimmed. The contact parts rotate with the base, and the bonding shaft on them dynamically trims the outer wall of the coil, eliminating the problem of material extrusion and protrusion in the gap of the traditional outer mold, significantly optimizing the roundness of the outer circle of the coil end, and making the winding shape more regular. At the same time, the inner contact components can simultaneously abut against the inner wall of the coil, forming a bidirectional shaping structure with the outer contact parts, simultaneously correcting the inner and outer contours of the coil, and solving the problems of loose inner layer and uneven pressure on outer layer. Furthermore, the lower and upper shaping units can rotate independently, as can the contact components and the inner release assembly. When used together, they can correct the coil's twisted and misaligned shape in all directions, disperse the bending stress at the ends, and reduce latent cracks in the insulation. Attached Figure Description

[0017] Figure 1 A schematic diagram of the stator bottom end clamping according to an embodiment of the present invention is shown; Figure 2 A schematic diagram of the structure of a contact element provided according to an embodiment of the present invention is shown; Figure 3 A schematic diagram of the structure of the adjusting disc provided according to an embodiment of the present invention is shown; Figure 4 A schematic diagram of the internal structure of the base provided according to an embodiment of the present invention is shown; Figure 5 A schematic diagram of the structure of the ring seat provided according to an embodiment of the present invention is shown; Figure 6 A schematic diagram of the internal structure of the ring seat provided according to an embodiment of the present invention is shown; Figure 7 A schematic diagram of the overall system provided according to an embodiment of the present invention is shown; Figure 8A schematic diagram of the lower support frame provided according to an embodiment of the present invention is shown; Figure 9 A schematic diagram of the structure of the conical seat provided according to an embodiment of the present invention is shown.

[0018] Legend: 10. Frame; 11. Lower support frame; 12. Upper support frame; 13. First electro-hydraulic rod; 14. Second electro-hydraulic rod; 15. Fourth electro-hydraulic rod; 16. Arc-shaped side clamp; 20. Lower shaping unit; 21. Base; 22. Mounting plate; 23. Contact element; 231. H-shaped moving seat; 232. Fitting shaft; 233. Positioning shaft; 234. Guide post; 24. Adjusting plate; 25. Electric push rod; 26. Gear ring; 27. Gear; 28. First motor; 29. ​​Inner contact assembly; 291. Ring seat; 292. Lower retaining tube; 293. Upper retaining tube; 294. Inner contact seat; 295. Third electro-hydraulic rod; 296. Mounting shaft; 297. Lower tapered seat; 298. Upper tapered seat; 299. Synchronous belt; 2910. Second motor; 30. Upper shaping unit. Detailed Implementation

[0019] 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 of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0020] like Figure 1 - Figure 9 As shown, the present invention provides: A stator winding shaping mechanism includes a frame 10. A lower support frame 11 is rotatably connected to the middle of the frame 10 via a bearing seat. An upper support frame 12 is slidably mounted on the top of the inner wall of the frame 10 via a slide rail. Preferably, the lower support frame 11 includes a mounting plate with four pillars fixed on it. A connecting plate is fixed to the top of the four pillars. The upper support frame 12 has the same structure as the lower support frame 11. A lower shaping unit 20 and an upper shaping unit 30 are respectively mounted on the lower support frame 11 and the upper support frame 12. The lower shaping unit 20 and the upper shaping unit 30 have the same structure. In particular, the lower shaping unit 20 and the upper shaping unit 30 have the same structural composition, but are arranged symmetrically. The lower shaping unit 20 includes a base 21 rotatably connected to the top of the lower support frame 11. A mounting plate 22 is fixed on the top of the base 21. A contact 23 is slidably connected to the mounting plate 22 through a guide groove. An adjusting plate 24 is rotatably connected to the top of the inner wall of the base 21. The contact 23 can be inwardly attached to the outer wall of the stator and the outer wall of the coil under the drive of the adjusting plate 24. The contact element 23 includes an H-shaped movable seat 231 slidably connected in a guide groove. One end of the H-shaped movable seat 231 is rotatably connected to a fitting shaft 232, and the upper surface of the H-shaped movable seat 231 is rotatably connected to a positioning shaft 233. In particular, the distance between the positioning shaft 233 and the fitting shaft 232 is equal to the distance between the outer wall of the coil and the outer wall of the stator. That is, when the H-shaped movable seat 231 moves inward until the fitting shaft 232 fits against the outer wall of the coil, the positioning shaft 233 will also fit against the outer wall of the stator. It should be noted that when placing the stator after the winding and embedding is completed by the winding machine, the bottom of the stator will be supported by the front end of the top of the H-shaped movable seat 231. However, at this time, there is a gap between the positioning shaft 233 and the outer wall of the stator, and no contact occurs. It should be noted that the front end of the top of the H-shaped movable seat 231 is smooth, and the friction between it and the stator is small. Under the action of external force, it can support the stator and rotate with the mounting plate 22 at the bottom of the stator. The lower shaping unit 20 also includes multiple guide slots on the adjustment plate 24. Guide posts 234 with their top ends connected to the H-shaped moving seat 231 are inserted into the guide slots. An electric push rod 25 is rotatably connected to the outer wall of the base 21 via a mounting support. One end of the electric push rod 25 is rotatably connected to a connecting ear, and one end of the connecting ear is connected to the adjustment plate 24. Preferably, a power supply slot is provided on the outer wall of the base 21, and a battery for supplying power to the electric push rod 25 is provided in the power supply slot. In particular, an arc-shaped slot adapted to the moving trajectory of the connecting ear is provided on the outer wall of the base 21. The connecting ear passes through the arc-shaped slot and is fixed to the adjustment plate 24. Specifically, after the stator with the embedded coil is placed on the H-shaped moving seat 231, the electric push rod 25 is activated to push the connecting ear to drive the adjusting plate 24 to rotate. Under the action of the guide groove, the guide post 234 drives the H-shaped moving seat 231 to move inward, so that the fitting shaft 232 abuts against the outer wall of the coil and the positioning shaft 233 abuts against the outer wall of the stator, so that the stator is centered and positioned.

[0021] like Figure 1 and Figure 7 As shown, a first electro-hydraulic rod 13 is mounted on the top of the frame 10, and one end of the first electro-hydraulic rod 13 is connected to the upper support frame 12. Specifically, after the bottom end of the stator is clamped and fixed by the lower shaping unit 20, the first electric hydraulic rod 13 is activated to drive the upper support frame 12 to move the upper shaping unit 30 downward until the H-shaped moving seat 231 in the upper shaping unit 30 abuts against the top end of the stator. Then, the same operation as when the bottom end of the stator is clamped by the lower shaping unit 20 is repeated to clamp the top end of the stator by the upper shaping unit 30.

[0022] Both sides of the frame 10 are equipped with a fourth electro-hydraulic rod 15, and one end of the fourth electro-hydraulic rod 15 is equipped with an arc-shaped side clamp 16. Preferably, the inner wall of the arc-shaped side clamp 16 is provided with an anti-slip pad. Specifically, after the bottom and top of the stator are clamped, the two fourth electric hydraulic rods 15 are activated to drive the arc-shaped side clamps 16 on both sides to abut against the outer wall of the stator, thereby clamping the stator from the middle position and further ensuring the stability of the coil shaping process.

[0023] like Figure 4 and Figure 7 As shown, the lower shaping unit 20 also includes a toothed ring 26 fixedly sleeved on the outer surface of the base 21, a gear 27 meshing with the toothed ring 26 is rotatably connected to the upper surface of the lower support frame 11, and a first motor 28 with its output end connected to the gear 27 is mounted on one side of the lower surface of the lower support frame 11. Specifically, after the stator is clamped at both ends and the middle position, the first motor 28 in the lower shaping unit 20 and the upper shaping unit 30 drives the gear 27 to rotate, which in turn drives the gear ring 26 to drive the base 21 to rotate together, which in turn drives the contact member 23 on the base 21 to rotate around the two ends of the stator. During the process, the coils at both ends of the stator are shaped by the bonding shaft 232, so that the outward part of the coil becomes regular. At the same time, the bonding shaft 232 can also rotate during the rotation to avoid excessive friction on the outer wall of the coil. like Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 9 As shown, the lower shaping unit 20 also includes an inner contact assembly 29 assembled at the center of the base 21. The inner contact assembly 29 includes an annular seat 291 rotatably connected to the center of the bottom of the base 21. A lower retaining tube 292 is installed on the top of the annular seat 291, and an upper retaining tube 293 is rotatably connected to the top of the lower retaining tube 292. Furthermore, both the lower retaining tube 292 and the upper retaining tube 293 have slots on their outer walls to insert inner contact seats 294. A spring connected to the inner contact seat 294 is installed on one side wall of the slot. The spring is used to ensure that the inner contact seat 294 can reset itself. Multiple vertical shafts are installed on the inner bottom of the lower support frame 11. A base plate is fixedly sleeved on the bottom of the outer surface of the vertical shaft, and a third electric hydraulic rod 295 is mounted on the base plate. A movable plate connected to the bottom of the third electric hydraulic rod 295 is slidably sleeved on the middle of the outer surface of the vertical shaft, and an installation shaft 296 is fixed on the movable plate. One end of the mounting shaft 296, which passes through the inner contact seat 294, is fixed with a lower conical seat 297, and an upper conical seat 298 is fixed to the top of the lower conical seat 297. The inner side of the lower inner contact seat 294 and the inner side of the upper inner contact seat 294 are respectively fixed with a lower inclined block and an upper inclined block that are adapted to the lower conical seat 297 and the upper conical seat 298. In particular, the bottom circle diameter of the lower conical seat 297 is larger than the bottom circle diameter of the upper conical seat 298, and the bottom end of the upper conical seat 298 is a straight section. The outer walls of both the lower conical seat 297 and the upper conical seat 298 are smooth. Specifically, after the positioning shaft 233 abuts against the outer wall of the stator, the third electric hydraulic rod 295 is activated to push the moving plate to move the mounting shaft 296 together with the lower conical seat 297 and the upper conical seat 298 upward. During the process, under the action of the inclined surface of the upper conical seat 298, it abuts against the upper inclined block, causing the inner contact seat 294 (the inner contact seat 294 located above) connected to it to move outward. When the flat section at the bottom end of the upper conical seat 298 abuts against the upper inclined block, the inner contact seat 294 located above abuts against the inner wall of the stator. Preferably, a rubber pad is provided on the outer wall of the upper inner contact seat 294 to increase the friction when in contact with the inner wall of the stator, so that when the ring seat 291 drives the lower retaining tube 292 to rotate after hitting the top, the upper retaining tube 293 will not rotate. During the upward movement, the lower conical seat 297, under the action of the inclined surface, pushes the lower inclined block to move the inner contact seat 294 (the lower inner contact seat 294) connected to it outward. When the upper inner contact seat 294 reaches the inner wall of the stator (at this time, only the upper part of the straight section of the upper conical seat 298 reaches the upper inclined block), since the inner wall of the coil may not be flush with the inner wall of the stator, but the circumference diameter of the inner wall of the coil is larger than the circumference diameter of the inner wall of the stator, the mounting shaft 296 needs to continue to move upward so that the lower inner contact seat 294 continues to move outward until it reaches the inner wall of the coil. During the continued movement, the upper conical seat 298 also moves upward, but since the bottom end is a straight section, it will not drive the upper inner contact seat 294 to move outward. In particular, the outer wall of the lower inner contact seat 294 is smooth, and the friction between it and the inner wall of the coil is small. The lower inner contact seat 294 abuts against the inner wall of the coil and the fitting shaft 232 abuts against the outer wall of the coil, which can perform the shaping operation of the coil from the inside to the outside.

[0024] The bottom end of the ring seat 291 is fixed with a first pulley, and the other side of the lower surface of the lower support frame 11 is rotatably connected with a second pulley. The first pulley and the second pulley are meshed together with a synchronous belt 299. The lower surface of the lower support frame 11 is equipped with a second motor 2910 connected to the second pulley through a motor frame. Specifically, during the rotation of the base 21, the second motor 2910 is activated to control the rotation of the second pulley, and under the action of the synchronous belt 299, the first pulley drives the ring seat 291 to rotate, thereby causing the lower retaining tube 292 on the ring seat 291 to rotate together. During the rotation of the lower retaining tube 292, the inner contact seat 294 on its outer wall is driven to trim the inner part of the coil, making the inner wall of the coil regular. At the same time, in conjunction with the fitting shaft 232, the inner and outer parts of the coil become regular, avoiding the situation where the wire is squeezed into the gap of the outer film and bulges under the traditional shaping method (the core shaft is vertically inserted into the center of the inner circle of the stator to achieve centering and coaxial positioning; the multi-lobed outer mold surrounds and wraps the outer circle of the coil end for wrapping shaping; the upper pressure mold presses down as a whole to complete the height shrinkage of the coil end).

[0025] like Figure 1 and Figure 8 As shown, a crossbar is fixed to the bottom of the outer wall of the lower support frame 11. A second electro-hydraulic rod 14 is rotatably connected to the outer wall of the crossbar. One end of the second electro-hydraulic rod 14 is rotatably connected to the inner side of the frame 10. A limiting post is fixed to one side of the inner bottom wall of the frame 10, and one end of the limiting post abuts against the outer wall of the lower support frame 11. The setting of the limiting post prevents the lower support frame 11 from rotating forward, and it can only rotate sequentially under the action of the second electro-hydraulic rod 14. Specifically, after the stator coil is shaped, the clamping of the upper shaping unit 30 on the top of the stator is first released. Then, the arc-shaped side clamping plate 16 is moved away from the outer wall of the stator by the fourth electro-hydraulic rod 15, releasing the clamping of the middle of the stator. Next, the lower support frame 11 is driven to rotate backward by starting the second electro-hydraulic rod 14, thereby tilting the stator forward. Then, the stator is picked up manually or by a robot. After picking up, the clamping of the bottom of the stator by the lower shaping unit 20 is released. At this time, the shaped stator can be taken away. After taking it away, the lower support frame 11 is reset to a horizontal state. Then, the next stator with embedded coil is placed in. Then, the bottom of the stator is clamped by the lower shaping unit 20. After clamping, the top of the stator is clamped again for shaping. This process is repeated.

[0026] Specifically, the winding and shaping mechanism of this stator equipment operates as follows: 1. Workpiece placement: Place the stator with the winding completed onto the H-shaped movable seat 231 of the lower forming unit 20, and rely on the front end to initially support the bottom of the stator; 2. Lower end centering clamping: Start the electric push rod 25 to push the adjusting plate 24 to rotate, which drives the contact member 23 to move inward, so that the contact shaft 232 is in contact with the outer wall of the winding and the positioning shaft 233 is in contact with the outer wall of the stator, thus completing the centering and positioning of the lower end of the stator; 3. Inner wall support shaping: Start the third electric hydraulic rod 295 to push the moving plate to rise, drive the lower conical seat 297 and the upper conical seat 298 to move upward, drive the inner contact seat 294 to open outward, and press against the inner wall of the stator and the inner wall of the coil respectively to complete the internal support limit; 4. Upper end alignment and clamping: Activate the first electric hydraulic rod 13 to pull the upper support frame 12 down, so that the upper shaping unit 30 fits against the top of the stator. Repeat the lower end clamping operation to lock the upper end position of the stator. 5. Mid-section auxiliary reinforcement: Activate the fourth electric hydraulic rods 15 on both sides of the frame 10 to push the arc-shaped side clamping plates 16 to fit against the outer wall of the stator, thereby achieving mid-section auxiliary clamping reinforcement; 6. Dynamic rotation shaping: Start the first motor 28 and the second motor 2910 respectively, drive the base 21 and the ring seat 291 to rotate synchronously, and the outer contact shaft 232 and the inner contact seat 294 rotate synchronously around the coil, so as to shape the inner and outer walls of the coil synchronously. 7. Unloading and Removing Parts: After the shaping is completed, release the clamping limits of the upper shaping unit 30 and the arc-shaped side clamping plate 16 in sequence. Operate the second electric hydraulic rod 14 to drive the lower support frame 11 to flip backward, so that the stator tilts. After releasing the clamping of the lower shaping unit 20, the formed stator can be taken out. Then the reset mechanism will cycle through the operation.

[0027] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A stator winding and shaping mechanism, comprising a frame (10), wherein a lower support frame (11) is rotatably connected to the middle of the frame (10) via a bearing seat, and an upper support frame (12) is slidably mounted on the top of the inner wall of the frame (10) via a slide rail, characterized in that, The lower support frame (11) and the upper support frame (12) are respectively equipped with a lower shaping unit (20) and an upper shaping unit (30), and the lower shaping unit (20) and the upper shaping unit (30) have the same structure; The lower shaping unit (20) includes a base (21) rotatably connected to the top of the lower support frame (11), and a mounting plate (22) is fixed to the top of the base (21). The mounting plate (22) has a contact (23) slidably connected by a guide groove. The top of the inner wall of the base (21) is rotatably connected to an adjustment plate (24). The contact (23) can fit inward against the outer wall of the stator and the outer wall of the coil under the drive of the adjustment plate (24).

2. The stator winding shaping mechanism according to claim 1, characterized in that, The contact element (23) includes an H-shaped movable seat (231) slidably connected in a guide groove. One end of the H-shaped movable seat (231) is rotatably connected to a fitting shaft (232), and the upper surface of the H-shaped movable seat (231) is rotatably connected to a positioning shaft (233).

3. The stator winding shaping mechanism according to claim 2, characterized in that, The lower shaping unit (20) also includes multiple guide slots opened on the adjustment plate (24). A guide post (234) with its top end connected to the H-shaped moving seat (231) is inserted into the guide slot. An electric push rod (25) is rotatably connected to the outer wall of the base (21) through a mounting support. One end of the electric push rod (25) is rotatably connected to a connecting ear, and one end of the connecting ear is connected to the adjustment plate (24).

4. The stator winding shaping mechanism according to claim 1, characterized in that, The lower shaping unit (20) further includes an inner contact assembly (29) assembled at the center of the base (21). The inner contact assembly (29) includes an annular seat (291) rotatably connected to the center of the bottom of the base (21). A lower retaining tube (292) is installed on the top of the annular seat (291), and an upper retaining tube (293) is rotatably connected to the top of the lower retaining tube (292). Furthermore, both the lower retaining tube (292) and the upper retaining tube (293) have slots on their outer walls to accommodate inner contact seats (294), and a spring with one end connected to the inner contact seat (294) is installed on one side wall of the slot.

5. A stator winding shaping mechanism according to claim 4, characterized in that, Multiple vertical shafts are installed on the inner bottom of the lower support frame (11). A base plate is fixedly sleeved on the bottom of the outer surface of the vertical shaft, and a third electric hydraulic rod (295) is mounted on the base plate. A movable plate connected to the bottom of the third electric hydraulic rod (295) is slidably sleeved on the middle of the outer surface of the vertical shaft, and an installation shaft (296) is fixed on the movable plate. The mounting shaft (296) is fixed with a lower conical seat (297) at one end that passes through the inner contact seat (294), and an upper conical seat (298) is fixed at the top of the lower conical seat (297). The inner side of the lower inner contact seat (294) and the inner side of the upper inner contact seat (294) are respectively fixed with a lower inclined block and an upper inclined block that are adapted to the lower conical seat (297) and the upper conical seat (298).

6. A stator winding shaping mechanism according to claim 5, characterized in that, The bottom end of the ring seat (291) is fixed with a first pulley, and the other side of the lower support frame (11) is rotatably connected with a second pulley. The first pulley and the second pulley are meshed together with a synchronous belt (299). The lower surface of the lower support frame (11) is equipped with a second motor (2910) connected to the second pulley through a motor frame.

7. A stator winding shaping mechanism according to claim 3, characterized in that, The lower shaping unit (20) also includes a gear ring (26) fixedly sleeved on the outer surface of the base (21), and a gear (27) meshing with the gear ring (26) is rotatably connected to the upper surface of the lower support frame (11), and a first motor (28) whose output end is connected to the gear (27) is mounted on one side of the lower surface of the lower support frame (11).

8. A stator winding shaping mechanism according to claim 1, characterized in that, The top of the frame (10) is equipped with a first electric hydraulic rod (13), and one end of the first electric hydraulic rod (13) is connected to the upper support frame (12).

9. A stator winding shaping mechanism according to claim 8, characterized in that, A crossbeam is fixed to the bottom of the outer wall of the lower support frame (11), and a second electric hydraulic rod (14) is rotatably connected to the outer wall of the crossbeam. One end of the second electric hydraulic rod (14) is rotatably connected to the inner side of the frame (10).

10. A stator winding shaping mechanism according to claim 9, characterized in that, Both sides of the frame (10) are equipped with a fourth electro-hydraulic rod (15), and one end of the fourth electro-hydraulic rod (15) is equipped with an arc-shaped side clamp (16).

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