Pressing device and stator assembly apparatus

Abstract

The utility model belongs to motor assembly technical equipment field especially relates to a press -fitting device and stator assembly equipment. Press -fitting device includes fixed assembly, is used for fixing the iron core, guide assembly, including guide plate, one end of guide plate is equipped with the guide portion, guide plate sets up many, each guide plate is around the circumferential arrangement of iron core, and is equipped with a guide portion between any two adjacent locating grooves, and pressurizing assembly is used for the skeleton press -fitting iron core, skeleton laminated arrangement is on each guide plate, and is equipped with a guide portion between any two adjacent locating portions, and pressurizing assembly is down and tight skeleton and iron core, and the guide portion is used for guiding the corresponding two locating portions respectively inserts the corresponding two locating grooves. The utility model because the guide portion can reduce the pressure of locating portion insertion locating groove, has reduced the assembly resistance, has reduced the alignment error, has improved the assembly convenience and efficiency of skeleton and iron core.

Description

Technical Field

[0001] This utility model belongs to the field of motor assembly technology and equipment, and particularly relates to a press-fitting device and stator assembly equipment. Background Technology

[0002] The stator, as a key component in an electric motor or generator, is typically used to work with the rotor to generate electromagnetic induction, thereby achieving energy conversion. Based on their structural form, stators can generally be divided into two categories: integral stators and segmented stators. Integral stators have a more compact structure, usually consisting of an iron core and two insulating frames located on either side of the core. The main function of the frames is to provide insulation support during stator winding and to fix the coils and define the slots.

[0003] In actual manufacturing processes, the assembly quality of the stator directly affects the performance stability and lifespan of the motor. Current stator assembly processes, especially in the assembly of integral stators, still heavily rely on manual labor. Workers must manually move the iron core to the assembly station and then insert the two frames into the corresponding mounting slots on both sides of the iron core. During this process, due to the small clearance between the frames and the iron core, the assembly action requires high pressure to press the frames into the iron core, resulting in high assembly difficulty, worker fatigue from manual operation, and difficulty in ensuring efficiency. Utility Model Content

[0004] The purpose of this application is to provide a press-fitting device, which aims to solve the problem of how to improve the efficiency and convenience of stator assembly.

[0005] To achieve the above objectives, the technical solution adopted in this application is: to provide a pressing device for assembling a frame into an iron core, wherein the frame is provided with a plurality of spaced positioning portions, and the iron core is provided with a plurality of spaced positioning grooves; the pressing device includes: Fixing components are used to fix the iron core; A guiding assembly includes a guide plate, one end of which is provided with a guiding portion. Multiple guide plates are provided, each arranged circumferentially around the iron core, and a guiding portion is provided between any two adjacent positioning slots; and A pressure-applying component is used to press the skeleton into the iron core; The skeleton is stacked on each of the guide plates, and a guide is provided between any two adjacent positioning parts. The pressure application component presses the skeleton and the iron core downwards, and the guide is used to guide the two corresponding positioning parts to be inserted into the two corresponding positioning slots respectively.

[0006] In some embodiments, the guide portion includes two elastic arms that are spaced apart and both connected to the guide plate. The elastic arms have guide surfaces, which are arranged opposite to each other and face the two adjacent positioning grooves respectively.

[0007] In some embodiments, the guide assembly further includes a support plate stacked on the fixing assembly and fixedly disposed thereon. The support plate has a first clearance hole corresponding to the position of the iron core. The support plate also has a plurality of guide grooves arranged radially. Each guide plate is provided with a sliding seat, and each sliding seat is slidably disposed in each guide groove. The guide assembly further includes a driving mechanism for driving each sliding seat to slide synchronously.

[0008] In some embodiments, the driving mechanism includes a guide plate rotatably connected to the fixed component and a guide driver connected to the guide plate. The guide plate has a second clearance hole at a position corresponding to the first clearance hole. Each of the sliding seats is connected to the guide plate. The guide driver drives the guide plate to rotate, and the guide plate drives each of the sliding seats to slide synchronously.

[0009] In some embodiments, the guide plate has a drive groove, the extension path of the drive groove is arc-shaped, the guide assembly further includes a plurality of guide posts, each guide post is connected to each of the sliding seats, one end of the guide post is connected to the sliding seat, and the other end of the guide post is slidably disposed in the drive groove.

[0010] In some embodiments, the fixing assembly includes a fixing seat for fixing the iron core and a lifting driver for driving the fixing seat to move in a vertical direction, wherein each of the guide plates is arranged circumferentially around the fixing seat.

[0011] In some embodiments, the pressure application assembly includes a pressure support adjacent to the fixing assembly, a pressure driver slidably arranged on the pressure support, and a pressure positioning seat connected to the pressure driver, wherein the iron core is located on the sliding path of the pressure driver.

[0012] In some embodiments, the pressing device further includes a straightening assembly, which includes a flipping mechanism and a sensor for detecting the skeleton. The flipping mechanism flips the skeleton by a predetermined angle based on the detection information from the sensor.

[0013] In some embodiments, the pressing device further includes an angle adjustment assembly that receives the skeleton from the straightening assembly. The angle adjustment assembly includes a rotary table for fixing and rotating the skeleton, a camera for photographing the skeleton located on the rotary table, and an angle driver for driving the rotary table to rotate based on the photographing information from the camera.

[0014] In a second aspect, a stator assembly device is provided, which includes the pressing device and a material transfer robot for moving the frame to a predetermined position.

[0015] The beneficial effects of this application are as follows: by setting a fixing component, a guiding component, and a pressure-applying component, wherein the guiding component includes multiple guide plates arranged circumferentially around the iron core, the guide portion on each guide plate is located between two adjacent positioning slots, and two guide portions are respectively provided at both ends of the positioning portion, so that each guide portion guides each positioning portion on the skeleton to be accurately inserted into each positioning slot. Since the guide portion can reduce the pressure of the positioning portion being inserted into the positioning slot, the assembly resistance is reduced, the alignment error is reduced, and the assembly convenience and efficiency of the skeleton and the iron core are improved. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or exemplary technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the pressing device provided in the embodiments of this application; Figure 2 This is an exploded view of the stator provided in another embodiment of this application; Figure 3 yes Figure 1 A three-dimensional structural diagram of the guide and fixing components of the press-fitting device; Figure 4 yes Figure 3 A magnified view of a portion at point A; Figure 5 yes Figure 3 Exploded view of the guide and fixing components; Figure 6 yes Figure 1 A three-dimensional structural diagram of the pressure-applying components of the press-fitting device; Figure 7 yes Figure 1 A three-dimensional structural diagram of the flipping mechanism of the pressing device.

[0018] The following are the labeling elements in the figure: 100. Pressing device; 101. Material handling robot; 10. Guiding assembly; 20. Fixing assembly; 50. Pressing assembly; 30. Correction assembly; 40. Angle adjustment assembly; 32. Sensor; 41. Camera; 71. Tilting mechanism; 60. Material handling assembly; 11. Guide plate; 12. Guide section; 13. Drive mechanism; 14. Support plate; 141. Guide groove; 142. First clearance hole; 15. Sliding seat; 21. Lifting driver; 22. Fixing seat; 121. Elastic arm ; 122, Guide surface; 200, Iron core; 210, Positioning groove; 151, Guide column; 131, Guide disc; 132, Drive groove; 133, Second clearance hole; 134, Guide driver; 51, Material clamping bracket; 511, Support column; 512, Gantry frame; 52, Material clamping driver; 53, Material clamping positioning seat; 201, Lower frame; 211, Positioning part; 711, Tilting seat; 712, Rotary cylinder; 713, Clamping cylinder; 714, Clamping arm; 202, Upper frame; Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0020] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly or indirectly attached to that other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, and are for ease of description only, not to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "A plurality" means two or more, unless otherwise explicitly defined.

[0021] Please see Figures 1 to 3This application provides a pressing device 100 for pressing a bobbin into a core 200, thereby facilitating subsequent stator winding assembly. It is understood that the bobbin can be an upper bobbin 202 and / or a lower bobbin 201, with the upper bobbin 202 and lower bobbin 201 respectively installed at opposite ends of the core 200. The bobbin has a plurality of spaced-apart positioning portions 211 protruding from it, and the core 200 has a plurality of spaced-apart positioning grooves 210. The overall shape of the bobbin and the core 200 is cylindrical; therefore, the plurality of positioning grooves 210 are circumferentially arranged on the core 200, and the plurality of positioning portions 211 are also circumferentially arranged on the bobbin.

[0022] Please see Figures 1 to 3 The pressing device 100 includes a fixing component 20, a guiding component 10, and a pressure applying component 50.

[0023] The fixing component 20 is used to fix the iron core 200; the two ends of the positioning groove 210 respectively penetrate the end faces of opposite ends of the iron core 200. The iron core 200 is arranged in a vertical direction, so that the groove opening at one end of the positioning groove 210 faces upward, and the positioning part 211 of the lower frame 201 is inserted, while the groove opening at the other end of the iron core 200 can be used for the positioning part 211 of the upper frame 202 to be inserted.

[0024] Please see Figures 4 to 5 The guide assembly 10 includes a guide plate 11, one end of which is provided with a guide portion 12. Multiple guide plates 11 are provided, and each guide plate 11 is arranged around the circumference of the iron core 200. A guide portion 12 is provided between any two adjacent positioning slots 210. The guide plate 11 is located on the upper end face of the iron core 200, and the guide portion 12 is located between the openings of two positioning slots 210.

[0025] The pressure application component 50 can abut against the frame downwards and apply a downward pressure to the frame to press the frame into the iron core 200; Please see Figures 4 to 5 The skeleton is stacked on each of the guide plates 11, meaning each guide part 12 is located between the iron core 200 and the skeleton, and a guide part 12 is provided between any two adjacent positioning parts 211. The pressure application component 50 presses the skeleton and the iron core 200 downwards, and the guide part 12 is used to guide the corresponding two positioning parts 211 to be inserted into the corresponding two positioning slots 210. That is, any two adjacent guide parts 12 jointly guide the same positioning part 211 to be inserted into the positioning slot 210.

[0026] Please see Figures 4 to 5The pressing device 100 provided in this application embodiment includes a fixing component 20, a guiding component 10, and a pressing component 50. The guiding component 10 includes multiple guide plates 11 arranged circumferentially around the iron core 200. The guiding part 12 on each guide plate 11 is located between two adjacent positioning slots 210. Two guiding parts 12 are provided at both ends of the positioning part 211, so that each guiding part 12 guides each positioning part 211 on the skeleton to be accurately inserted into each positioning slot 210. Since the guiding part 12 can reduce the pressure of the positioning part 211 being inserted into the positioning slot 210, the assembly resistance is reduced, the alignment error is reduced, and the assembly convenience and efficiency of the skeleton and the iron core 200 are improved.

[0027] Please see Figures 4 to 5 In some embodiments, the guide portion 12 includes two elastic arms 121 arranged at intervals and both connected to the guide plate 11. The elastic arms 121 are provided with guide surfaces 122. The two guide surfaces 122 are arranged opposite to each other and are respectively facing the two adjacent positioning grooves 210.

[0028] Optionally, the elastic arm 121 has a certain elastic deformation. When the positioning part 211 is inserted into the positioning groove 210, the elastic arm 121 can undergo a certain relative elastic deformation to avoid rigid compression of the positioning part 211. That is, the elastic design of the elastic arm 121 can provide flexible constraint when the positioning part 211 is inserted, absorb small deviations or vibrations, and avoid the positioning part 211 from being stuck or damaged due to hard contact.

[0029] Understandably, the opposing arrangement of the guide surfaces 122 ensures that the positioning part 211 is precisely guided to the positioning groove 210, reducing the risk of misalignment during the assembly process.

[0030] Please see Figures 4 to 5 In some embodiments, the guide assembly 10 further includes a support disk 14 stacked on the fixing assembly 20 and fixedly disposed thereon. The support disk 14 has a first clearance hole 142 at the position corresponding to the iron core 200. The support disk 14 also has a plurality of guide grooves 141 arranged radially. Each guide plate 11 is provided with a sliding seat 15, and each sliding seat 15 is slidably disposed in each guide groove 141. The guide assembly 10 further includes a driving mechanism 13, which is used to drive each sliding seat 15 to slide synchronously.

[0031] Please see Figures 4 to 5Optionally, the support plate 14 can be fixed by multiple support columns. The iron core 200 can rise or fall from the first clearance hole 142 under the action of external force. The radial guide groove 141 allows each sliding seat 15 to slide toward or away from the iron core 200, thereby adjusting the sliding distance of the guide plate 11 along the radial direction of the iron core 200. This realizes the dynamic adjustment function of the guide part 12, so that the guide part 12 can be adapted to iron cores 200 and skeletons with different outer diameters, thus improving the application range of the press-fitting device 100.

[0032] The guide groove 141 provides a clear linear sliding path for the sliding seat 15, constrains the offset risk of the sliding seat 15, and ensures that the radial movement of the guide plate 11 is precise and controllable.

[0033] Please see Figures 4 to 5 In some embodiments, the driving mechanism 13 includes a guide plate 131 rotatably connected to the fixed component 20 and a guide driver 134 connected to the guide plate 131. The guide plate 131 has a second clearance hole 133 corresponding to the position of the first clearance hole 142. Each of the sliding seats 15 is connected to the guide plate 131. The guide driver 134 drives the guide plate 131 to rotate, and the guide plate 131 drives each of the sliding seats 15 to slide synchronously. The guide driver 134 can be a cylinder, and the output shaft of the guide driver 134 is connected to the edge of the guide plate 131, thereby driving the guide plate 131 to rotate.

[0034] Please see Figures 4 to 5 Optionally, the guide plate 131 drives the sliding seat 15 and guide plate 11 to slide radially along the iron core 200 by rotation, realizing the dynamic adjustment function of the guide part 12. This allows the guide part 12 to adapt to iron cores 200 and frames with different outer diameters, improving the application range of the press-fitting device 100. The guide plate 131 can drive any guide plate 11 to move radially along the iron core 200, bringing it closer to or away from the center position of the iron core 200. By adjusting the position of the guide plate 11, the guide part 12 can flexibly adapt to the gap changes of the positioning groove 210 or the positioning part 211, improving the versatility and assembly flexibility of the device.

[0035] Please see Figures 4 to 5 In some embodiments, the guide plate 131 has a drive groove 132, the extension path of the drive groove 132 is arc-shaped, and the guide assembly 10 also includes a plurality of guide posts 151, each of the guide posts 151 being connected to each of the sliding seats 15, one end of the guide post 151 being connected to the sliding seat 15, and the other end of the guide post 151 being slidably disposed in the drive groove 132.

[0036] Optionally, each drive groove 132 is arranged around the rotation center of the guide plate 131, and the center of curvature at any point on the drive groove 132 is on the same side of the rotation center. The arc-shaped drive groove 132 converts the rotational motion of the guide plate 131 into the linear sliding of the sliding seat 15, ensuring that each guide plate 11 moves synchronously and uniformly, and avoiding positioning deviation caused by uneven sliding.

[0037] Please see Figures 4 to 5 In some embodiments, the fixing assembly 20 includes a fixing seat 22 for fixing the iron core 200 and a lifting driver 21 for driving the fixing seat 22 to move in a vertical direction, and each of the guide plates 11 is arranged circumferentially around the fixing seat 22.

[0038] Optionally, the lifting driver 21 can be a cylinder. The cylinder drives the fixed seat 22 to move vertically. For example, when the fixed seat 22 needs to receive material, the lifting driver 21 drives the fixed seat 22 to rise, so that the iron core 200 can be placed on the fixed seat 22 and positioned by the fixed seat 22. The lifting driver 21 then drives the fixed seat 22 to fall, so that the iron core 200 is at least partially located in the first clearance hole 142, which facilitates the subsequent cooperation with the pressure application component 50 and the guide component 10, and ensures accurate pressing of the skeleton.

[0039] Please see Figures 4 to 5 In some embodiments, the pressure application component 50 includes a pressure support 51 adjacent to the fixing component 20, a pressure driver 52 slidably arranged on the pressure support 51, and a pressure positioning seat 53 connected to the pressure driver 52, wherein the iron core 200 is located on the sliding path of the pressure driver 52.

[0040] Optionally, the pressing driver 52 can also be a cylinder. The pressing bracket 51 includes two spaced-apart pillars 511 and a gantry 512 connecting the two pillars 511. The pressing driver 52 is laterally slidable along the gantry 512 and can slide above the fixed seat 22. The pressing positioning seat 53 picks up the skeleton and is connected to the output shaft of the pressing driver 52. After the pressing driver 52 moves into position, the pressing driver 52 drives the pressing positioning seat 53 to move downward, and the skeleton moves downward synchronously until the positioning parts 211 on the skeleton are inserted into the positioning slots 210 under the guidance of the guide parts 12, thereby improving the efficiency and stability of the skeleton pressing.

[0041] Please see Figures 6 to 7In some embodiments, the pressing device 100 further includes a straightening assembly 30, which includes a flipping mechanism 71 and a sensor 32 for detecting the skeleton. The flipping mechanism 71 flips the skeleton by a predetermined angle based on the detection information from the sensor 32. The sensor 32 may be a laser sensor 32.

[0042] The laser sensor 32 is a device that uses the distance or reflection relationship between a laser beam and a target for non-contact measurement. It has the advantages of high precision, high response speed, and strong environmental adaptability, and is often used in position measurement, contour recognition, automatic navigation, and industrial automation control, such as AGV navigation, target obstacle avoidance, and size detection. Both are suitable for image acquisition and analysis (CCD camera 41) and precise distance or displacement measurement (laser sensor 32), respectively, and are core sensing components in modern intelligent manufacturing and automation systems.

[0043] Optionally, the iron core 200 has a first end and a second end. The first end is for the upper frame 202 to be inserted, and the second end is for the lower frame 201 to be inserted. When assembling the upper frame 202, the first end needs to be set upwards. When assembling the lower frame 201, the second end needs to be set upwards. The sensor 32 is used to detect whether the current setting of the iron core 200 matches the frame to be installed. For example, when the upper frame 202 needs to be assembled, if the sensor 32 detects that the second end is set upwards, the flipping mechanism 71 rotates the iron core 200 by 180 degrees, so that the first end of the iron core 200 is above the second end. If the sensor 32 detects that the first end is set upwards, the flipping mechanism 71 flips the iron core 200 by 0 degrees, that is, it does not move the iron core 200.

[0044] The flipping mechanism 71 flips the skeleton by a predetermined angle based on the detection information of the sensor 32, which effectively improves the posture correction before skeleton assembly and ensures that the positioning part 211 and the positioning groove 210 are accurately aligned.

[0045] Please see Figure 1 In some embodiments, the pressing device 100 further includes an angle adjustment assembly 40 that receives the skeleton from the straightening assembly 30. The angle adjustment assembly 40 includes a rotary table for fixing and rotating the skeleton, a camera 41 for photographing the skeleton located on the rotary table, and an angle driver for driving the rotary table to rotate based on the photographing information from the camera 41.

[0046] Optionally, after the positions of the first and second ends of the iron core 200 are determined, it is necessary to determine the horizontal angle of the iron core 200 so that the iron core 200 can be better assembled onto the fixed base 22. That is, it is necessary to rotate the iron core 200 horizontally by a certain angle. The camera 41 can be a CCD camera 41, which can take pictures of the iron core 200 and analyze the angle that the iron core 200 needs to rotate. The angle driver can be a servo motor, which drives the rotary table to rotate according to the shooting information of the camera 41, so that the iron core 200 rotates by the required angle in the horizontal plane.

[0047] The CCD camera 41 is an imaging device that uses a charge-coupled device as an image sensor 32. It generates images by converting light signals into electrical signals. It features high imaging quality, low noise, accurate color reproduction, and good exposure consistency. It is widely used in industrial visual inspection, medical imaging, and high-end photography.

[0048] Please see Figure 1 In some embodiments, the pressing device 100 further includes a material transfer robot 101, a feeding assembly, a material handling assembly 60, and a hopper. The skeleton is housed in the hopper. The feeding assembly is used to feed the iron core 200 to the straightening assembly 30. The material transfer robot 101 is used to move the skeleton to a designated position so that the pressing assembly 50 can pick up the skeleton.

[0049] Understandably, the material handling assembly 60 is used to sequentially move the iron core 200 on the straightening assembly 30 to the angle adjustment assembly 40, the fixing assembly 20, and the unloading assembly. The unloading assembly includes a flipping mechanism 71. After the upper frame 202 is installed at the first end of the iron core 200, the material handling assembly 60 moves the iron core 200 and the upper frame 202 to the flipping mechanism 71 of the unloading assembly. The flipping mechanism 71 flips the iron core 200 and the upper frame 202 180 degrees, thereby facilitating the subsequent installation of the lower frame 201 at the second end of the iron core 200.

[0050] Please see Figure 7 Optionally, the flipping mechanism 71 includes a fixed flipping seat 711, a rotary cylinder 712 arranged on the flipping seat 711, a clamping cylinder 713 connected to the rotary cylinder 712, and a clamping arm 714 driven by the clamping cylinder 713. There are two clamping arms 714, which converge towards each other to clamp the iron core 200. The rotary cylinder 712 drives the clamping cylinder 713 to rotate so that the iron core 200 can be flipped.

[0051] This utility model also proposes a stator assembly equipment, which includes a pressing device 100. The specific structure of the pressing device 100 is as described in the above embodiments. Since this stator assembly equipment adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0052] In some embodiments, the stator assembly equipment includes two pressing devices 100, one pressing device 100 for pressing the upper frame 202 onto the core 200, and the other pressing device 100 for pressing the lower frame 201 onto the core 200. For example, the core 200 and the lower frame 201 are assembled on one pressing device 100, and then the assembled core 200 and the lower frame 201 are transported together to the other pressing device 100, where the frame 202 is assembled. Finally, the upper frame 202 and the lower frame 201 are pressed onto both ends of the core 200.

[0053] The above are merely optional embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A press-fitting device for assembling a frame into an iron core, wherein the frame has a plurality of spaced-apart positioning portions protruding from it, and the iron core has a plurality of spaced-apart positioning grooves, characterized in that, The pressing device includes: Fixing components are used to fix the iron core; A guiding assembly includes a guide plate, one end of which is provided with a guiding portion. Multiple guide plates are provided, each arranged circumferentially around the iron core, and a guiding portion is provided between any two adjacent positioning slots; and A pressure-applying component is used to press the skeleton into the iron core; The skeleton is stacked on each of the guide plates, and a guide is provided between any two adjacent positioning parts. The pressure application component presses the skeleton and the iron core downwards, and the guide is used to guide the two corresponding positioning parts to be inserted into the two corresponding positioning slots respectively.

2. The pressing device as described in claim 1, characterized in that: The guide portion includes two elastic arms that are spaced apart and connected to the guide plate. Each elastic arm has a guide surface, the two guide surfaces are arranged opposite to each other, and the two guide surfaces are respectively oriented towards the two adjacent positioning grooves.

3. The pressing device as described in claim 1, characterized in that: The guiding assembly further includes a support plate stacked on the fixing assembly and fixedly disposed thereon. The support plate has a first clearance hole corresponding to the position of the iron core. The support plate also has a plurality of guide grooves, each of which is arranged radially. Each of the guide plates is provided with a sliding seat, and each of the sliding seats is slidably disposed in each of the guide grooves. The guiding assembly further includes a driving mechanism, which is used to drive each of the sliding seats to slide synchronously.

4. The pressing device as described in claim 3, characterized in that: The driving mechanism includes a guide plate rotatably connected to the fixed component and a guide driver connected to the guide plate. The guide plate has a second clearance hole corresponding to the position of the first clearance hole. Each of the sliding seats is connected to the guide plate. The guide driver drives the guide plate to rotate, and the guide plate drives each of the sliding seats to slide synchronously.

5. The pressing device as described in claim 4, characterized in that: The guide plate has a drive groove, the extension path of which is arc-shaped. The guide assembly also includes multiple guide posts, each of which is connected to a sliding seat. One end of the guide post is connected to the sliding seat, and the other end of the guide post is slidably disposed in the drive groove.

6. The pressing device according to any one of claims 1-5, characterized in that: The fixing assembly includes a fixing seat for fixing the iron core and a lifting driver for driving the fixing seat to move in a vertical direction, with each of the guide plates arranged circumferentially around the fixing seat.

7. The pressing device according to any one of claims 1-5, characterized in that: The pressure application assembly includes a pressure support adjacent to the fixing assembly, a pressure driver slidably arranged on the pressure support, and a pressure positioning seat connected to the pressure driver, wherein the iron core is located on the sliding path of the pressure driver.

8. The pressing device according to any one of claims 1-5, characterized in that: The pressing device also includes a straightening component, which includes a flipping mechanism and a sensor for detecting the skeleton. The flipping mechanism flips the skeleton by a predetermined angle based on the detection information from the sensor.

9. The pressing device as described in claim 8, characterized in that: The pressing device further includes an angle adjustment component that receives the skeleton from the straightening component. The angle adjustment component includes a rotary table for fixing and rotating the skeleton, a camera for photographing the skeleton located on the rotary table, and an angle driver for driving the rotary table to rotate based on the photographing information from the camera.

10. A stator assembly device, characterized in that, The stator assembly equipment includes the press-fitting device as described in any one of claims 1-9, and further includes a material transfer robot for moving the skeleton to a predetermined position.

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