A combined assembling device for permanent magnet motor with intelligent positioning function

Abstract

The application discloses a kind of permanent magnet motor with intelligent positioning function's combined equipment, it is related to combined equipment technical field, including rack, first driving part, combined device, positioning device and feeding device, feeding device is fed to positioning device in stator rotor, positioning device can move rotor to predetermined position, it is convenient for combined device to carry out combined, combined device adopts multistage buffer mechanism, when magnetic attraction mutation occurs in the process of stator rotor combination, flywheel mechanism can quickly absorb and disperse the instantaneous magnetic attraction that rotor is subjected to, effectively inhibit the instantaneous acceleration of rotor, avoid that rotor occurs violent impact due to sudden attraction, while damping mechanism provides more soft damping effect, slow down the descending speed of rotor, so that rotor keeps stable, controllable motion state in the process of approaching final assembly position, to avoid the impact caused by inertia or residual magnetic force again.

Description

Technical Field

[0001] This invention relates to the field of assembly equipment technology, specifically to an assembly equipment for permanent magnet motors with intelligent positioning function. Background Technology

[0002] Permanent magnet motors are widely used in new energy vehicles, industrial automation and other fields due to their advantages such as high efficiency, high power density, fast response speed and compact structure. In the manufacturing process of permanent magnet motors, multiple components such as rotor core, permanent magnet, shaft and end cover need to be assembled in a predetermined process sequence. The assembly accuracy and consistency directly affect the motor's operating performance, noise level and service life. In particular, the permanent magnet needs to be precisely positioned and pressed during the assembly of rotor components.

[0003] However, due to the strong magnetic attraction of permanent magnets, in the initial stage of assembly, as the rotor gradually approaches the stator, the magnetic field strength increases rapidly, which can easily generate a sudden axial attraction, causing the rotor to accelerate and fall instantly, leading to collision, displacement or assembly instability, and a huge impact with the stator. Traditional assembly equipment based on position or constant force control is difficult to adapt to such sudden changes, posing safety and quality risks and affecting motor performance. Summary of the Invention

[0004] The purpose of this invention is to solve the problem of the difficulty in smoothly assembling the stator and rotor in the prior art, and to propose an assembly device for permanent magnet motors with intelligent positioning function.

[0005] To solve the above problems, the present invention provides the following technical solution: including a frame and a assembly device, wherein a positioning device and a feeding device are installed inside the frame, and a first driving component is installed on the frame, and the first driving component is connected to a control system;

[0006] The assembly device includes a flywheel mechanism and a clamping mechanism. The flywheel mechanism is mounted on the output end of the first drive component, and a connecting mechanism is installed on the flywheel mechanism. A damping mechanism is rotatably connected to the connecting mechanism. The connecting mechanism includes a transmission rod and a rotating disk. The transmission rod is mounted on a half-bevel gear, and the rotating disk is mounted on one end of the transmission rod. The rotating disk rotates inside the oil drain pipe. The first drive component includes a first hydraulic cylinder. The rotor is moved to the positioning device by the feeding device, and the positioning device fixes the rotor, making it easier for the clamping mechanism to clamp the rotor. Then, the stator is moved to below the clamping mechanism by the feeding device. The first cylinder is controlled to extend, and the first cylinder drives the flywheel mechanism to move downward. When the stator and rotor contact, the flywheel mechanism and the damping mechanism reduce the magnetic attraction force on the rotor, making the assembly of the rotor and stator more stable.

[0007] The clamping mechanism includes an expansion assembly, a telescopic assembly is mounted on one side of the expansion assembly, the telescopic assembly slides inside the expansion assembly, and the expansion assembly is mounted on one side of the damping mechanism.

[0008] The flywheel mechanism includes a support assembly, a buffer assembly rotatably mounted on the support assembly, a drive assembly mounted on one side of the buffer assembly, and one end of the connecting mechanism mounted on the drive assembly.

[0009] The damping mechanism includes a hydraulic component, a return component is installed on one side of the hydraulic component, the hydraulic component and the return component are connected, and the other end of the connecting mechanism rotates within the hydraulic component;

[0010] The buffer assembly includes a first transmission element and a second transmission element, which rotate on a support assembly. A drive assembly is located between the first and second transmission elements. When the rotor is subjected to magnetic attraction, the rotor drives the drive assembly to move, and the rack of the drive assembly drives the first transmission element to move. Due to the large moment of inertia of the first transmission element, the instantaneous magnetic attraction force on the rotor is reduced.

[0011] The first transmission element includes a bevel gear that rotates on a support assembly. The bevel gear meshes with a half-bevel gear. A triangular groove is provided on the bevel gear, and a flywheel is rotatably mounted on its inner side. The flywheel is mounted on a drive assembly, and a sliding groove is provided inside the flywheel. A centrifugal slider is slidably mounted within the sliding groove. A connecting rod is mounted at one end of the centrifugal slider, and a limit plate is mounted at one end of the connecting rod. A first elastic element is sleeved on the outer side of the connecting rod, with one end mounted on the centrifugal slider and the other end mounted on the sliding groove. The first and second transmission elements have identical structures. The drive assembly drives the flywheel to rotate. Due to the flywheel's large moment of inertia, its accelerated rotation briefly absorbs energy, thus reducing the instantaneous magnetic attraction force on the clamping mechanism. The flywheel drives the centrifugal slider to move away from the flywheel axis. The centrifugal slider abuts against the right-angled side of the triangular groove, causing the bevel gear to rotate. The bevel gear drives the half-bevel gear of the drive assembly to move. The centrifugal slider of the second transmission element slides on the hypotenuse of the triangular groove, and the bevel gear of the second transmission element does not drive the drive assembly to move.

[0012] The drive assembly includes a rack that slides on a support assembly. A first shaft is mounted on the flywheel, and a gear is mounted on the first shaft. The rack and gear mesh. A half-bevel gear is rotatably mounted on the support assembly, and the bevel gear and half-bevel gear mesh. A connecting mechanism is mounted on the half-bevel gear. When the rotor is subjected to magnetic attraction, the rack moves towards the support assembly. When the rack reaches the meshing point with the gear, it drives the gear to rotate. The gear drives the first shaft to rotate, which in turn drives the flywheel of the first transmission element to rotate. This continues until the bevel gear drives the half-bevel gear to rotate. The half-bevel gear drives the transmission rod to rotate, which in turn drives the rotating disk to rotate. This reduces the opening of the hydraulic component's drain pipe, increases the damping force, and slows down the rotor's descent.

[0013] The hydraulic assembly includes a hydraulic cylinder with an oil drain pipe installed on it. A return assembly is connected to the oil drain pipe, and a connecting mechanism rotates inside the oil drain pipe. A piston rod is slidably installed inside the hydraulic cylinder and mounted on a rack. A second elastic element is installed at one end of the piston rod, and one end of the second elastic element is installed on the hydraulic cylinder. A third elastic element is installed at the other end of the piston rod, and one end of the third elastic element is installed on a support assembly. The space between the bottom of the hydraulic cylinder and the piston rod is filled with hydraulic oil. The second elastic element includes a second spring, and the third elastic element includes a third spring. When the clamping mechanism clamps the rotor, the piston rod is subjected to a load and moves away from the support assembly. The increased elastic force of the second and third springs overcomes the load on the piston rod, allowing the piston rod to reach equilibrium within the hydraulic cylinder. At this time, the rack has not yet moved to the position where it meshes with the gear. When the rotor is subjected to axial magnetic attraction, the rotor drives the piston rod to move away from the support assembly. At this time, the rack moves to the position where it meshes with the gear. When the piston rod moves, it presses the hydraulic oil towards the drain pipe. As the opening of the drain pipe decreases, a greater damping force is formed, causing the rotor to descend slowly, reducing the magnetic attraction force on the rotor, and preventing the rotor from descending rapidly and impacting the stator.

[0014] The expansion assembly includes a positioning block mounted on one end of a piston rod. A mounting cylinder is installed on one side of the positioning block, and an expansion ring is installed on one side of the mounting cylinder. The telescopic assembly slides within the mounting cylinder. When the rotor is clamped, the piston rod of the first hydraulic cylinder extends, driving the assembly device away from the first hydraulic cylinder until the positioning block presses against the rotor shaft hole. At this point, the mounting cylinder and expansion ring extend into the rotor shaft hole. The telescopic assembly causes the expansion ring to expand, locking the rotor in place. The piston rod of the first hydraulic cylinder retracts, driving the assembly device closer to the first hydraulic cylinder, lifting the rotor. During clamping, a uniform circumferential force is formed, avoiding localized stress concentration and preventing significant indentations or plastic deformation on the inner surface of the rotor.

[0015] The telescopic assembly includes a moving rod with a conical block mounted at one end. A second driving component is mounted on a positioning block, and its output end is mounted on the moving rod. The second driving component is connected to the control system. The second driving component includes a cylinder. When the mounting cylinder and expansion ring are inserted into the rotor shaft hole, the cylinder rod extends, driving the moving rod towards the damping mechanism. The moving rod then drives the conical block towards the damping mechanism, with the large end of the conical block extending into the expansion ring, causing the expansion ring to engage the rotor shaft hole. After the stator and rotor are assembled, the cylinder rod retracts, driving the moving rod away from the damping mechanism. The moving rod then drives the conical block away from the damping mechanism, causing the conical block to disengage from the expansion ring and releasing the rotor. This allows for rapid rotor clamping and release with a faster response time.

[0016] The positioning device includes a support plate, a third driving component is mounted on one side of the support plate, a guide post is mounted on the other side of the support plate, a positioning plate is slidably mounted on the guide post, the output end of the third driving component is mounted on the positioning plate, and a material picking mechanism is mounted on one side of the guide post; the third driving component includes a second hydraulic cylinder, when the stator is moved to a predetermined position, the cylinder rod of the second hydraulic cylinder is extended, and the cylinder rod drives the positioning plate to move away from the support plate until the positioning plate presses on the stator.

[0017] The material handling mechanism includes a U-shaped plate, which is mounted on a frame. A slider is slidably mounted on the U-shaped plate, and a lifting plate is mounted on the slider. A first lead screw is slidably mounted inside the lifting plate. A fourth drive component is mounted on one end of the first lead screw. A support block is mounted on one end of the lifting plate. A slide plate is slidably mounted on the support block. A second lead screw is slidably mounted inside the slide plate. A fifth drive component is mounted on one end of the second lead screw. A material handling plate is mounted on the slide plate. The third, fourth, and fifth drive components are connected to the control system. The fourth driving component includes a first motor, and the fifth driving component includes a second motor. When the tray containing the rotor moves to the predetermined position, the first motor is started, driving the first lead screw to rotate. The first lead screw drives the slider to move on the first lead screw, and the slider drives the lifting plate to move below the rotor. The second motor is then started, driving the second lead screw to rotate. The second lead screw drives the slide plate to slide on the support block, and the slide plate drives the picking plate to move to the bottom of the rotor. The first motor is then started, driving the first lead screw to reverse. The first lead screw drives the slider to move in the opposite direction on the first lead screw. At this time, the picking plate lifts the rotor, making it easier for the clamping mechanism to clamp the rotor. After the clamping mechanism clamps the rotor, the second motor is started to return the slide plate to the initial position, and the first motor is started to return the slider to the initial position.

[0018] The feeding device includes a track, on which a receiving plate is slidably mounted. A third lead screw is slidably mounted inside the receiving plate, and a sixth driving component is mounted at one end of the third lead screw. A guide plate is mounted on one side of the receiving plate, and the sixth driving component is connected to a control system. The sixth driving component includes a third motor. It feeds a tray containing a stator and rotor from the guide plate into the receiving plate. The third motor is started, driving the third lead screw to rotate. The third lead screw then moves the receiving plate along the track, moving the tray to a predetermined position.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. This invention employs a multi-stage buffer mechanism, which can quickly absorb and disperse the instantaneous magnetic attraction force on the rotor when a sudden magnetic attraction occurs during the assembly of the stator and rotor. This effectively suppresses the instantaneous acceleration of the rotor and prevents the rotor from being violently impacted by the sudden attraction force. At the same time, the damping mechanism is activated to provide a gentler damping effect, slowing down the descent speed of the rotor and allowing the rotor to maintain a stable and controllable motion state as it approaches the final assembly position, thereby avoiding further impact caused by inertia or residual magnetic force.

[0021] 2. This invention employs a flexible clamping mechanism, which clamps the rotor's inner hole using an expansion ring. Under axial drive, the expansion ring undergoes radial elastic deformation, and its outer diameter can adaptively adjust according to the rotor's inner hole size, ensuring positioning stability during clamping. Simultaneously, it can form a uniform circumferential force during clamping, avoiding local stress concentration and preventing significant indentations or plastic deformation on the rotor's inner hole surface. Furthermore, both clamping and releasing actions of the expansion ring can be completed through a single axial drive, making the clamping mechanism's action response faster. Attached Figure Description

[0022] Figure 1 This is a perspective view of the assembly equipment of the present invention;

[0023] Figure 2 This is a schematic diagram of the internal structure of the assembly equipment of the present invention;

[0024] Figure 3 This is a schematic diagram of the internal structure of the assembly device of the present invention. Figure 1 ;

[0025] Figure 4 This is a schematic diagram of the internal structure of the assembly device of the present invention. Figure 2 ;

[0026] Figure 5 This is a perspective view of the flywheel mechanism of the present invention;

[0027] Figure 6 This is a cross-sectional view of the buffer component of the present invention;

[0028] Figure 7 This is a schematic diagram of the internal structure of the damping mechanism of the present invention;

[0029] Figure 8 This is a perspective view of the clamping mechanism of the present invention;

[0030] Figure 9 This is a perspective view of the positioning device and the feeding device of the present invention;

[0031] Figure 10 This is a perspective view of the material handling mechanism of the present invention.

[0032] In the diagram: 1. Frame; 2. First drive component; 3. Assembly device; 31. Flywheel mechanism; 311. Support assembly; 312. Buffer assembly; 3121. First transmission element; 31211. Bevel gear; 31212. Triangular groove; 31213. Flywheel; 31214. Sliding groove; 31215. Centrifugal slider; 31216. Connecting rod; 31217. First elastic element; 3122. Second transmission element; 313. Drive assembly; 3131. Rack; 3132. Gear; 3133. Half bevel gear; 32. Damping mechanism; 321. Hydraulic assembly; 3211. Hydraulic cylinder; 3212. Oil drain pipe; 3213. Piston rod; 3214. Second elastic element; 322. Return assembly; 33. Clamping mechanism; 331. Expansion assembly; 3311. Positioning block; 3312. Mounting cylinder; 3313. Expansion ring; 332. Telescopic assembly; 3321. Moving rod; 3322. Conical block; 3323. Second driving element; 4. Positioning device; 41. Support plate; 42. Third driving element; 44. Positioning plate; 45. Material picking mechanism; 451. U-shaped plate; 452. Lifting plate; 453. Fourth driving element; 454. Support block; 455. Slide plate; 456. Material picking plate; 5. Feeding device; 51. Track; 52. Sixth driving element; 53. Receiving plate; 54. Guide plate. Detailed Implementation

[0033] 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.

[0034] Example: Figures 1-10 As shown, the present invention provides a technical solution including a frame 1 and a assembly device 3. A positioning device 4 and a feeding device 5 are installed inside the frame 1. A first driving component 2 is installed on the frame 1 and the first driving component 2 is connected to a control system.

[0035] The feeding device 5 includes a track 51, on which a receiving plate 53 is slidably mounted. A third lead screw is slidably mounted inside the receiving plate 53, and a sixth driving component 52 is mounted at one end of the third lead screw. A guide plate 54 is mounted on one side of the receiving plate 53. The sixth driving component 52 is connected to the control system. The sixth driving component 52 includes a third motor. It feeds the tray containing the stator and rotor from the guide plate 54 into the receiving plate 53. The third motor is started, driving the third lead screw to rotate. The third lead screw drives the receiving plate 53 to move on the track 51, moving the tray to a predetermined position.

[0036] The positioning device 4 includes a support plate 41, a third driving member 42 is installed on one side of the support plate 41, a guide post is installed on the other side of the support plate 41, a positioning plate 44 is slidably installed on the guide post, the output end of the third driving member 42 is installed on the positioning plate 44, and a material picking mechanism 45 is installed on one side of the guide post; the third driving member 42 includes a second hydraulic cylinder, when the stator is moved to a predetermined position, the cylinder rod of the second hydraulic cylinder is extended, and the cylinder rod drives the positioning plate 44 to move away from the support plate 41 until the positioning plate 44 presses on the stator.

[0037] The material handling mechanism 45 includes a U-shaped plate 451, which is mounted on the frame 1. A slider is slidably mounted on the U-shaped plate 451, and a lifting plate 452 is mounted on the slider. A first lead screw is slidably mounted inside the lifting plate 452. A fourth drive component 453 is mounted on one end of the first lead screw. A support block 454 is mounted on one end of the lifting plate 452. A slide plate 455 is slidably mounted on the support block 454. A second lead screw is slidably mounted inside the slide plate 455. A fifth drive component is mounted on one end of the second lead screw. A material handling plate 456 is mounted on the slide plate 455. The third drive component 42, the fourth drive component 453, and the fifth drive component are connected to the control system. The fourth driving component 453 includes a first motor, and the fifth driving component includes a second motor. When the tray containing the rotor moves to a predetermined position, the first motor is started, driving the first lead screw to rotate. The first lead screw drives the slider to move on the first lead screw, and the slider drives the lifting plate 452 to move below the rotor. The second motor is started, driving the second lead screw to rotate. The second lead screw drives the slide plate 455 to slide on the support block 454, and the slide plate 455 drives the picking plate 456 to move to the bottom of the rotor. The first motor is started, driving the first lead screw to reverse. The first lead screw drives the slider to move in the opposite direction on the first lead screw. At this time, the picking plate 456 lifts the rotor, making it easier for the clamping mechanism 33 to clamp the rotor. After the clamping mechanism 33 clamps the rotor, the second motor is started to return the slide plate 455 to the initial position, and the first motor is started to return the slider to the initial position.

[0038] The assembly device 3 includes a flywheel mechanism 31 and a clamping mechanism 33. The flywheel mechanism 31 is mounted on the output end of the first drive member 2. A connecting mechanism is mounted on the flywheel mechanism 31, and a damping mechanism 32 is rotatably connected to the connecting mechanism. The connecting mechanism includes a transmission rod and a rotating disk. The transmission rod is mounted on a half-bevel gear 3133, and the rotating disk is mounted on one end of the transmission rod. The rotating disk rotates within the oil drain pipe 3212. The first drive member 2 includes a first hydraulic cylinder. The rotor is moved to the positioning device 4 by the feeding device 5. The positioning device 4 fixes the rotor, making it easier for the clamping mechanism 33 to clamp the rotor. The stator is then moved below the clamping mechanism 33 by the feeding device 5. The first cylinder is extended, and the first cylinder drives the flywheel mechanism 31 to move downward. When the stator and rotor contact, the flywheel mechanism 31 and the damping mechanism 32 reduce the magnetic attraction force on the rotor, making the assembly of the rotor and stator more stable.

[0039] The clamping mechanism 33 includes an expansion component 331, and a telescopic component 332 is mounted on one side of the expansion component 331. The telescopic component 332 slides inside the expansion component 331, and the expansion component 331 is mounted on one side of the damping mechanism 32.

[0040] The flywheel mechanism 31 includes a support assembly 311, a buffer assembly 312 rotatably mounted on the support assembly 311, a drive assembly 313 mounted on one side of the buffer assembly 312, and one end of the connecting mechanism mounted on the drive assembly 313.

[0041] The damping mechanism 32 includes a hydraulic component 321, a return component 322 is installed on one side of the hydraulic component 321, the hydraulic component 321 and the return component 322 are connected, and the other end of the connecting mechanism rotates within the hydraulic component 321.

[0042] The buffer assembly 312 includes a first transmission element 3121 and a second transmission element 3122. The first transmission element 3121 and the second transmission element 3122 rotate on the support assembly 311, and the drive assembly 313 is located between the first transmission element 3121 and the second transmission element 3122. When the rotor is subjected to magnetic attraction, the rotor drives the drive assembly 313 to move. The rack 3131 of the drive assembly 313 drives the first transmission element 3121 to move. Because the rotational inertia of the first transmission element 3121 is large, it reduces the instantaneous magnetic attraction force on the rotor.

[0043] The first transmission element 3121 includes a bevel gear 31211, which rotates on the support assembly 311. The bevel gear 31211 meshes with a half-bevel gear 3133. A triangular groove 31212 is provided on the bevel gear 31211. A flywheel 31213 is rotatably mounted on the inner side of the bevel gear 31211. The flywheel 31213 is mounted on the drive assembly 313. A sliding groove 31214 is provided inside the flywheel 31213. A sliding device slides within the sliding groove 31214. The centrifugal slider 31215 is equipped with a connecting rod 31216 at one end of the centrifugal slider 31215. A limit plate is installed at one end of the connecting rod 31216. A first elastic element 31217 is sleeved on the outside of the connecting rod 31216. One end of the first elastic element 31217 is installed on the centrifugal slider 31215, and the other end of the first elastic element 31217 is installed on the sliding groove 31214. The first transmission element 3121 and the second transmission element 3122 have the same structure. The drive assembly 313 drives the flywheel 31213 to rotate. Since the flywheel 31213 has a large moment of inertia, its accelerated rotation process can absorb energy briefly, thereby reducing the instantaneous magnetic attraction force on the clamping mechanism 33. The flywheel 31213 drives the centrifugal slider 31215 to move away from the axis of the flywheel 31213. The centrifugal slider 31215 abuts against the right-angle side of the triangular groove 31212. The centrifugal slider 31215 drives the bevel gear 31211 to rotate. The bevel gear 31211 drives the half-bevel gear 3133 of the drive assembly 313 to move. The centrifugal slider 31215 of the second transmission element 3122 slides on the inclined side of the triangular groove 31212. The bevel gear 31211 of the second transmission element 3122 does not drive the drive assembly 313 to move.

[0044] The drive assembly 313 includes a rack 3131 that slides on a support assembly 311. A first rotating shaft is mounted on a flywheel 31213, and a gear 3132 is mounted on the first rotating shaft. The rack 3131 and the gear 3132 mesh. A half-bevel gear 3133 is rotatably mounted on the support assembly 311. The bevel gear 31211 and the half-bevel gear 3133 mesh. A connecting mechanism is mounted on the half-bevel gear 3133. When the rotor is subjected to magnetic attraction, the rack 3131 moves towards the support assembly 311. The rack 3131 moves to the meshing position with the gear 3132, and the rack 3131 drives the gear 3132 to rotate. The gear 3132 drives the first rotating shaft to rotate, and the first rotating shaft drives the flywheel 31213 of the first transmission element 3121 to rotate until the bevel gear 31211 drives the half bevel gear 3133 to rotate. The half bevel gear 3133 drives the transmission rod to rotate, and the transmission rod drives the rotating disk to rotate, reducing the opening of the oil drain pipe 3212 of the hydraulic assembly 321, increasing the damping force, and slowing down the speed of the rotor's descent.

[0045] The hydraulic assembly 321 includes a hydraulic cylinder 3211, an oil drain pipe 3212 is installed on the hydraulic cylinder 3211, a return assembly 322 is connected to the oil drain pipe 3212, a connecting mechanism rotates inside the oil drain pipe 3212, a piston rod 3213 is slidably installed inside the hydraulic cylinder 3211, the piston rod 3213 is mounted on a rack 3131, a second elastic element 3214 is installed at one end of the piston rod 3213, one end of the second elastic element 3214 is installed on the hydraulic cylinder 3211, and a third elastic element is installed at the other end of the piston rod 3213, one end of the third elastic element is installed on the support assembly 311. The space between the bottom end of the hydraulic cylinder 3211 and the piston rod 3213 is filled with hydraulic oil. The second elastic element 3214 includes a second spring, and the third elastic element includes a third spring. When the clamping mechanism 33 clamps the rotor, the piston rod 3213 is subjected to a load and moves away from the support assembly 311. The increased elastic force of the second and third springs overcomes the load on the piston rod 3213, allowing the piston rod 3213 to reach equilibrium within the hydraulic cylinder 3211. At this time, the rack 3131 has not yet moved to the position of meshing with the gear 3132. When the rotor is subjected to axial magnetic attraction, the rotor drives the piston rod 3213 to move away from the support assembly 311. At this time, the rack 3131 moves to the position of meshing with the gear 3132. When the piston rod 3213 moves, it presses the hydraulic oil towards the drain pipe 3212. As the opening of the drain pipe 3212 decreases, a greater damping force is formed, causing the rotor to descend slowly, reducing the magnetic attraction force on the rotor, and preventing the rotor from rapidly descending and impacting the stator.

[0046] The expansion assembly 331 includes a positioning block 3311, which is installed at one end of the piston rod 3213. An mounting cylinder 3312 is mounted on one side of the positioning block 3311, and an expansion ring 3313 is mounted on one side of the mounting cylinder 3312. The telescopic assembly 332 slides within the mounting cylinder 3312. When the rotor is clamped, the cylinder rod of the first hydraulic cylinder extends, driving the assembly device 3 to move away from the first hydraulic cylinder until the positioning block 3311 presses against the rotor shaft hole. At this point, the mounting cylinder 3312 and the expansion ring 3313 extend into the rotor shaft hole. The telescopic assembly 332 drives the expansion ring 3313 to expand, locking the rotor. The cylinder rod of the first hydraulic cylinder retracts, driving the assembly device 3 to move closer to the first hydraulic cylinder, lifting the rotor. During clamping, a uniform circumferential force is formed, avoiding localized stress concentration and preventing significant indentations or plastic deformation on the inner surface of the rotor.

[0047] The telescopic assembly 332 includes a movable rod 3321, a conical block 3322 is installed at one end of the movable rod 3321, a second driving member 3323 is installed on the positioning block 3311, the output end of the second driving member 3323 is installed on the movable rod 3321, and the second driving member 3323 is connected to the control system. The second driving component 3323 includes a cylinder. When the mounting cylinder 3312 and the expansion ring 3313 are inserted into the rotor shaft hole, the cylinder rod of the control cylinder extends. The cylinder rod drives the moving rod 3321 to move closer to the damping mechanism 32. The moving rod 3321 drives the conical block 3322 to move closer to the damping mechanism 32. The large end of the conical block 3322 extends into the expansion ring 3313, causing the expansion ring 3313 to lock the rotor shaft hole. After the stator and rotor are assembled, the cylinder rod of the control cylinder retracts. The cylinder rod drives the moving rod 3321 to move away from the damping mechanism 32. The moving rod 3321 drives the conical block 3322 to move away from the damping mechanism 32. The conical block 3322 leaves the expansion ring 3313, releasing the rotor. This allows for quick clamping and releasing of the rotor, resulting in a faster action response.

[0048] Working principle of the invention:

[0049] In operation, the operator manually feeds the tray containing the rotor from the feed plate 54 into the receiving plate 53. The third motor is then started, driving the third lead screw to rotate. The lead screw moves the receiving plate 53 along the track 51, moving the tray to a predetermined position. The first motor is then started, driving the first lead screw to rotate. The first lead screw moves the slider along the lead screw, which in turn moves the lifting plate 452 below the rotor. The second motor is then started, driving the second lead screw to rotate. The second lead screw moves the sliding plate 455 onto the support block 454, which in turn moves the picking plate 456 to the bottom of the rotor. The first motor is then started, driving the first lead screw to reverse direction. The first lead screw moves the slider in the opposite direction along the lead screw, at which point the picking plate 456 lifts and supports the rotor.

[0050] The cylinder rod of the first hydraulic cylinder extends, causing the assembly device 3 to move away from the first hydraulic cylinder until the positioning block 3311 presses against the rotor shaft hole. At this point, the mounting cylinder 3312 and the expansion ring 3313 extend into the rotor shaft hole. The cylinder rod of the control cylinder extends, causing the moving rod 3321 to move closer to the damping mechanism 32. The moving rod 3321 causes the conical block 3322 to move closer to the damping mechanism 32. The large end of the conical block 3322 extends into the expansion ring 3313, causing the expansion ring 3313 to lock into the rotor shaft hole. The cylinder rod of the first hydraulic cylinder retracts, causing the cylinder rod to... The assembly device 3 moves closer to the first hydraulic cylinder, lifting the rotor. After the piston rod 3213 is subjected to the weight of the rotor, it moves away from the support assembly 311. The increased elastic force of the second and third springs overcomes the load on the piston rod 3213, allowing the piston rod 3213 to reach balance within the hydraulic cylinder 3211. At this time, the rack 3131 has not yet moved to the position of meshing with the gear 3132. After the clamping mechanism 33 clamps the rotor, it controls the second motor to start, retracting the slide plate 455 to the initial position, and controls the first motor to start, retracting the slider to the initial position.

[0051] After the clamping mechanism 33 clamps the rotor, the third motor is started, and the third motor drives the third lead screw to rotate. The third lead screw drives the receiving plate 53 to move to the initial position on the track 51. The empty pallet is manually removed from the feed plate 54, and the pallet containing the stator is fed from the feed plate 54 into the receiving plate 53. The third motor is started, and the third motor drives the third lead screw to rotate. The third lead screw drives the receiving plate 53 to move on the track 51, moving the pallet containing the stator to the predetermined position. At this time, the cylinder rod of the second hydraulic cylinder is extended, and the cylinder rod drives the positioning plate 44 to move away from the support plate 41 until the positioning plate 44 presses on the stator.

[0052] The cylinder rod of the first hydraulic cylinder extends, driving the assembly device 3 to move away from the first hydraulic cylinder until the rotor moves above the stator and stops. The magnetic field strength between the rotor and stator rapidly increases, generating an axial attraction force on the rotor. The piston rod 3213 is attracted by this force, causing it to drive the rack 3131 to move closer to the support assembly 311. At this point, the rack 3131 moves to the meshing point with the gear 3132, causing the gear 3132 to rotate. The gear 3132 then drives the first rotating shaft to rotate, which in turn drives the flywheel 31213 of the first transmission element 3121 to rotate. Because the flywheel 31213 has a large moment of inertia, its accelerated rotation process can briefly absorb energy, thereby slowing down the clamping mechanism. The instantaneous magnetic attraction force on 33 causes the flywheel 31213 to accelerate and rotate, causing the flywheel 31213 to drive the centrifugal slider 31215 to move away from the axis of the flywheel 31213. The centrifugal slider 31215 abuts against the right-angle side of the triangular groove 31212, which in turn drives the bevel gear 31211 to rotate. The bevel gear 31211 drives the half-bevel gear 3133 to move, which in turn drives the transmission rod to rotate. The transmission rod drives the rotating disk to rotate, reducing the opening of the oil drain pipe 3212 and increasing the damping force. The centrifugal slider 31215 of the second transmission element 3122 slides on the hypotenuse of the triangular groove 31212, and the bevel gear 31211 of the second transmission element 3122 will not drive the half-bevel gear 3133 to rotate.

[0053] When the piston rod 3213 slides away from the support assembly 311 inside the hydraulic cylinder 3211, the piston rod 3213 moves and presses the hydraulic oil into the drain pipe 3212. The oil is discharged from the drain pipe 3212 into the return assembly 322. As the opening of the drain pipe 3212 decreases, a greater damping force is formed, which causes the rotor to descend slowly, reduces the magnetic attraction force on the rotor, and prevents the rotor from descending rapidly and impacting the stator until the rotor and stator are assembled.

[0054] After the stator and rotor are assembled, the cylinder rod of the control cylinder retracts, driving the moving rod 3321 to move away from the damping mechanism 32. The moving rod 3321 then drives the conical block 3322 to move away from the damping mechanism 32. The conical block 3322 moves away from the expansion ring 3313, releasing the rotor. After the piston rod 3213 is unloaded, it returns to its original position near the support assembly 311 under the action of the second and third springs. The piston rod 3213 then drives the rack 3131 to move away from the support assembly 311. The rack 3131 drives the gear 3132 to rotate in the opposite direction, which in turn drives the first rotating shaft to rotate in the opposite direction. The first rotating shaft then drives the first transmission element 3... When the flywheel 31213 of 121 rotates in the opposite direction, the centrifugal slider 31215 of the first transmission element 3121 slides on the hypotenuse of the triangular groove 31212. The bevel gear 31211 of the first transmission element 3121 will not drive the half bevel gear 3133 to rotate. The centrifugal slider 31215 of the second transmission element 3122 abuts against the right angle side of the triangular groove 31212. The centrifugal slider 31215 of the second transmission element 3122 drives the half bevel gear 3133 to rotate back to the initial position. The half bevel gear 3133 drives the transmission rod to rotate. The transmission rod drives the rotating disk to rotate back to the initial position, increasing the opening of the oil drain pipe 3212, so that the hydraulic oil in the return assembly 322 can flow back into the hydraulic cylinder 3211.

[0055] The cylinder rod of the first hydraulic cylinder is retracted, and the cylinder rod drives the assembly device 3 back to the initial position. The cylinder rod of the second hydraulic cylinder is retracted, and the cylinder rod drives the positioning plate 44 to move closer to the support plate 41 until the positioning plate 44 returns to the initial position. The third motor is started, and the third motor drives the third lead screw to rotate. The third lead screw drives the receiving plate 53 to move to the initial position on the track 51. The pallet containing the stator and rotor is manually removed from the feed plate 54.

[0056] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A co-assembly device for permanent magnet motors with intelligent positioning function, characterized in that: The utility model provides a kind of combined device for assembling, including rack (1), combined device (3), the rack (1) is equipped with positioning device (4) and feeding device (5) in, first driving element (2) is installed on the rack (1), the first driving element (2) is accessed control system; The combined device (3) includes a flywheel mechanism (31) and a clamping mechanism (33). The flywheel mechanism (31) is installed on the output end of the first driving element (2). A connecting mechanism is installed on the flywheel mechanism (31). A damping mechanism (32) is rotatably connected to the connecting mechanism. The flywheel mechanism (31) includes a support assembly (311). A buffer assembly (312) is rotatably installed on the support assembly (311). A drive assembly (313) is installed on one side of the buffer assembly (312). One end of the connecting mechanism is installed on the drive assembly (313). The buffer assembly (312) includes a first transmission element (3121) and a second transmission element (3122). The first transmission element (3121) includes a bevel gear (31211). The bevel gear (31211) is rotatable on the support assembly (311). The bevel gear (31211) is engaged with a half bevel gear (3133). A triangular groove (31212) is provided on the bevel gear (31211). A flywheel (31213) is rotatably installed on the inner side of the bevel gear (31211). The flywheel (31213) is installed on the drive assembly (313). A sliding groove (31214) is provided in the interior of the flywheel (31213). A centrifugal sliding block (31215) is slidably installed in the sliding groove (31214). A connecting rod (31216) is installed on one end of the centrifugal sliding block (31215). A limiting plate is installed on one end of the connecting rod (31216). A first elastic element (31217) is sleeved on the outer side of the connecting rod (31216). One end of the first elastic element (31217) is installed on the centrifugal sliding block (31215). The other end of the first elastic element (31217) is installed on the sliding groove (31214). The first transmission element (3121) and the second transmission element (3122) have the same structure. The clamping mechanism (33) includes an expansion assembly (331). A telescopic assembly (332) is installed on one side of the expansion assembly (331). The telescopic assembly (332) slides in the interior of the expansion assembly (331). The expansion assembly (331) is installed on one side of the damping mechanism (32).

2. The assembling device with intelligent positioning function for permanent magnet motor according to claim 1, characterized in that: The damping mechanism (32) includes a hydraulic assembly (321). A backflow assembly (322) is installed on one side of the hydraulic assembly (321). The hydraulic assembly (321) and the backflow assembly (322) are communicated. The other end of the connecting mechanism is rotatable in the hydraulic assembly (321).

3. The assembling device with intelligent positioning function for permanent magnet motor according to claim 2, characterized in that: The first transmission element (3121) and the second transmission element (3122) are rotatable on the support assembly (311). The drive assembly (313) is located between the first transmission element (3121) and the second transmission element (3122).

4. The assembling device with intelligent positioning function for permanent magnet motor according to claim 3, characterized in that: The driving assembly (313) comprises a rack (3131) sliding on the supporting assembly (311), a first rotating shaft is installed on the flywheel (31213), a gear (3132) is installed on the first rotating shaft, the rack (3131) and the gear (3132) are in mesh, a bevel gear (3133) is rotatably installed on the supporting assembly (311), the bevel gear (31211) and the bevel gear (3133) are in mesh, and the connecting mechanism is installed on the bevel gear (3133).

5. The assembling device with intelligent positioning function for permanent magnet motor according to claim 4, characterized in that: The hydraulic assembly (321) comprises a hydraulic cylinder (3211), an oil discharge pipe (3212) is installed on the hydraulic cylinder (3211), the return flow assembly (322) communicates with the oil discharge pipe (3212), the connecting mechanism rotates in the oil discharge pipe (3212), a piston rod (3213) is slidably installed in the hydraulic cylinder (3211), the piston rod (3213) is installed on the rack (3131), one end of the piston rod (3213) is provided with a second elastic member (3214), one end of the second elastic member (3214) is installed on the hydraulic cylinder (3211), the other end of the piston rod (3213) is provided with a third elastic member, and one end of the third elastic member is installed on the supporting assembly (311).

6. The assembling device with intelligent positioning function for permanent magnet motor according to claim 5, characterized in that: The expansion assembly (331) comprises a positioning block (3311) installed at one end of the piston rod (3213), one side of the positioning block (3311) is provided with a mounting cylinder (3312), one side of the mounting cylinder (3312) is provided with an expansion ring (3313), and the telescopic assembly (332) slides in the mounting cylinder (3312).

7. The assembling device with intelligent positioning function for permanent magnet motor according to claim 6, characterized in that: The telescopic assembly (332) comprises a moving rod (3321), one end of the moving rod (3321) is provided with a conical block (3322), a second driving element (3323) is installed on the positioning block (3311), an output end of the second driving element (3323) is installed on the moving rod (3321), and the second driving element (3323) is connected to the control system.

8. The assembling device with intelligent positioning function for permanent magnet motor according to claim 1, characterized in that: The positioning device (4) comprises a supporting plate (41), one side of the supporting plate (41) is provided with a third driving element (42), the other side of the supporting plate (41) is provided with a guide column, a positioning plate (44) is slidably installed on the guide column, an output end of the third driving element (42) is installed on the positioning plate (44), one side of the guide column is provided with a material taking mechanism (45), Said taking mechanism (45) includes a U-shaped plate (451), which is installed on the frame (1), a sliding block is slidingly installed on the U-shaped plate (451), a lifting plate (452) is installed on the sliding block, a first lead screw is slidingly installed in the lifting plate (452), a fourth driving piece (453) is installed at one end of the first lead screw, a supporting block (454) is installed at one end of the lifting plate (452), a sliding plate (455) is slidingly installed on the supporting block (454), a second lead screw is slidingly installed in the sliding plate (455), a fifth driving piece is installed at one end of the second lead screw, a taking plate (456) is installed on the sliding plate (455), and the third driving piece (42), the fourth driving piece (453) and the fifth driving piece are connected to the control system.

9. The assembling device with intelligent positioning function for permanent magnet motor according to claim 1, characterized in that: Said feeding device (5) includes a track (51), a receiving plate (53) is slidingly installed on the track (51), a third lead screw is slidingly installed in the receiving plate (53), a sixth driving piece (52) is installed at one end of the third lead screw, a material guiding plate (54) is installed on one side of the receiving plate (53), and the sixth driving piece (52) is connected to the control system.

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