Stator and rotor assembling device

Abstract

This utility model discloses a stator and rotor assembly device for assembling the stator and rotor. Specifically, it includes a stop assembly, a clamping mechanism, and an assembly station. The stop assembly moves towards or away from the conveyor line, and when positioned on the conveyor line, it abuts against the side wall of the pallet. When the pallet moves along the conveyor line to the first station, the stop assembly abuts against the side wall of the pallet. The clamping mechanism is positioned opposite the lower housing and clamps the lower housing, placing it at the assembly station located outside the conveyor line. Using the stator and rotor assembly device provided by this utility model, the abutment of the stop assembly against the side wall of the pallet on the conveyor line achieves the positioning of the pallet on the conveyor line, and ensures that the lower housing on the positioned pallet is aligned with the clamping mechanism. This improves the clamping accuracy of the clamping mechanism on the lower housing, thereby improving the fitting accuracy between the lower housing and the assembly station, as well as the assembly accuracy of the stator and rotor.

Description

Technical Field

[0001] This utility model relates to the field of stator and rotor assembly technology, and in particular to a stator and rotor assembly equipment. Background Technology

[0002] Stator-rotor assembly refers to the process of assembling the stator and rotor of a motor together. In the core process of motor manufacturing, the precise assembly of the stator and rotor is crucial to ensuring the motor's efficient and stable operation. Currently, stator-rotor assembly equipment used in conjunction with conveyor lines requires placing the stator on a pallet on the conveyor line, and then using a robotic arm to pick up the stator for stator-rotor assembly. However, due to the poor consistency of the stator's position on the conveyor line, the robotic arm cannot accurately pick up the stator, resulting in low assembly accuracy between the stator and rotor.

[0003] Therefore, how to improve the assembly accuracy of the stator and rotor has become a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] This invention provides a stator and rotor assembly device to improve the assembly accuracy of the stator and rotor.

[0005] This utility model provides a stator and rotor assembly device for assembling a stator and rotor. The stator is housed in a lower housing, which is placed on a conveyor line via a pallet. The rotor is mounted on an upper cover, which engages with the lower housing. The rotor is inserted into the inner ring of the stator. The stator and rotor assembly device includes a stop assembly, a clamping mechanism, and an assembly station. The stop assembly moves toward or away from the conveyor line, and when positioned on the conveyor line, it abuts against the side wall of the pallet. The assembly station is located outside the conveyor line. When the pallet moves along the conveyor line to the first station, the stop assembly abuts against the side wall of the pallet. The clamping mechanism is positioned opposite the lower housing, clamping the lower housing and placing it at the assembly station.

[0006] The stator and rotor assembly equipment provided by this utility model achieves the positioning of the pallet on the conveyor line by the contact between the stop component and the side wall of the pallet on the conveyor line during the assembly of the stator and rotor. At the same time, the lower box on the positioned pallet is aligned with the clamping mechanism, which can effectively improve the clamping accuracy of the clamping mechanism on the lower box.

[0007] Furthermore, since the assembly station is located outside the conveyor line, and the clamping mechanism is used to clamp the lower housing along a preset route (i.e., the route from the first station to the assembly station) to the assembly station, the accuracy of the clamping mechanism in clamping the lower housing is improved. This also effectively improves the fitting accuracy between the lower housing and the assembly station, thereby helping to improve the assembly accuracy of the stator and rotor.

[0008] In one possible implementation of this invention, the stator and rotor assembly equipment further includes a first sensor for monitoring the displacement of the clamping mechanism from the first station to the assembly station. Then, by comparing the actual displacement of the clamping mechanism with the theoretical displacement, the displacement of the clamping mechanism can be controlled, thereby further improving the assembly accuracy of the stator and rotor.

[0009] In one possible implementation of this invention, the stator and rotor assembly equipment further includes a lifting mechanism, which is arranged opposite to the clamping mechanism, and a conveyor line is provided between the lifting mechanism and the clamping mechanism. A portion of the lifting mechanism is used to pass through the conveyor surface of the conveyor line and abut against the bottom of the pallet, and to move the pallet toward or away from the clamping mechanism. Thus, during the stator and rotor assembly process, when the pallet is at the first station, it can be lifted by the lifting mechanism to separate the pallet from the conveyor surface of the conveyor line. This effectively avoids the problem of reduced clamping accuracy of the clamping mechanism on the lower housing due to vibration of the conveyor surface during the clamping process.

[0010] In one possible implementation of this utility model, the pallet includes a first positioning hole, and the lifting mechanism includes a first positioning pin. The first positioning pin extends toward the pallet and is inserted into the first positioning hole. Thus, when the pallet moves to the first work position, during the upward movement of the lifting part, a stable connection between the lifting part and the pallet can be achieved through the insertion of the first positioning pin and the first positioning hole, which can effectively avoid the risk of the pallet slipping.

[0011] In one possible implementation of this utility model, the lifting mechanism further includes a first cylinder, a lifting part, and a limiting part. The first cylinder is disposed on the side of the lifting part away from the clamping mechanism, and the end of the telescopic rod of the first cylinder is connected to the lifting part. The limiting part is disposed on the side of the lifting part away from the clamping mechanism. Along the radial direction of the telescopic rod, the limiting part moves toward or away from the telescopic rod. When the lifting part abuts against the tray, the limiting part moves toward the telescopic rod and abuts against the side of the lifting part away from the clamping mechanism. Thus, during the assembly of the stator and rotor, when the lifting part abuts against the tray, the limiting part can move toward the telescopic rod and abut against the side of the lifting part away from the clamping mechanism, thereby limiting the lifting height of the lifting part, thereby improving the stability of the lifting part and further improving the clamping accuracy of the clamping mechanism on the lower housing.

[0012] In one possible implementation of this utility model, the lifting mechanism further includes a mounting base and a transition structure. Along the moving direction of the lifting part, the lifting part and the mounting base are arranged opposite each other with a first gap. The transition structure and the limiting part are both located within the first gap. This makes the structure of the lifting mechanism more compact. Furthermore, the transition structure is sleeved on the outer side of the end of the telescopic rod and is detachably connected to the lifting part. The limiting part is used to abut against the side of the transition structure opposite to the lifting part. This limits the lifting height of the lifting part, thereby improving the stability of the lifting part and further enhancing the clamping accuracy of the clamping mechanism on the lower housing. Moreover, users can replace the transition structure with different sizes according to actual needs to adjust the fixed value of the lifting height of the lifting part, which helps improve the versatility of the assembled equipment.

[0013] In one possible implementation of this utility model, the assembly station includes an adjustment structure and an mounting part. The mounting part is located on the first surface and is used to install the lower housing. The adjustment structure is connected to the side wall of the mounting part and is used to drive the mounting part to move along the first surface. Thus, when the clamping mechanism moves to the assembly station, the user can fine-tune the position of the mounting part within the first surface by adjusting the structure, thereby improving the relative positional accuracy between the clamping mechanism and the mounting part, and further improving the assembly accuracy of the stator and rotor.

[0014] In one possible implementation of this invention, the lower housing includes a second positioning hole, and the mounting part includes a second positioning pin, which is inserted into the second positioning hole. This improves the connection stability between the lower housing and the mounting part.

[0015] In one possible implementation of this invention, the stator and rotor assembly equipment further includes a clamping assembly, which is positioned opposite to the assembly station and has a second gap for accommodating the upper cover and lower housing. The clamping assembly is used to move toward or away from the assembly station and to abut against the upper cover. Thus, when the lower housing is placed at the installation station, the clamping assembly can move toward the installation station to abut against the upper cover and apply pressure, thereby achieving a stable connection between the upper cover and the lower housing and improving the automation level of the equipment.

[0016] In one possible implementation of this utility model, the stator and rotor assembly equipment further includes a rotor fixture, which is used to place the top cover and move toward or away from the second gap so that the rotor and the top cover are located in the second gap. At the same time, the rotor fixture is located directly above the installation position, so that the projection of the rotor edge falls into the inner ring of the stator. This can effectively improve the assembly accuracy of the stator and rotor and improve the automation level of the equipment.

[0017] In one possible implementation of this invention, the stator and rotor assembly equipment further includes a support mechanism. The assembly station includes a through hole, and a portion of the support mechanism extends and retracts along the through hole toward the clamping assembly, and is used to penetrate the inner ring of the stator and abut against the rotor. This effectively improves the accuracy of the rotor falling into the inner ring of the stator, thereby improving the assembly precision, and it can also effectively improve the automation level of the equipment.

[0018] In one possible implementation of this invention, the rotor fixture is provided with a groove extending along the moving direction of the rotor fixture, and the groove opening penetrates the side wall of the rotor fixture facing the second gap. When the rotor fixture is located in the second gap, a portion of the support mechanism penetrates the groove. Thus, when the portion of the support mechanism and the pressing assembly simultaneously abut against the rotor, since the portion of the support mechanism used to abut against the rotor penetrates the groove, the rotor fixture can move out of the second gap in the direction away from the second gap after the rotor is stably connected to the support mechanism and the pressing assembly. Then, the pressing assembly, the upper cover, the rotor, and the portion of the support mechanism used to abut against the rotor can move synchronously towards the installation position, so that the rotor falls into the inner ring of the stator, while the upper cover and the lower housing are fastened together. This is beneficial for further improving the automation level of the equipment and improving the assembly accuracy of the stator and rotor.

[0019] In one possible implementation of this invention, the clamping assembly includes a mounting surface and a pressing part. The mounting surface faces the assembly station, and the pressing part is detachably connected to the mounting surface. The pressing part is used to abut against the top cover. Using the stator and rotor assembly equipment provided by this invention, users can replace different pressing parts according to the shape of the top cover, which helps to improve the versatility of the equipment.

[0020] In one possible implementation of this invention, the clamping assembly further includes an elastic structure disposed between the mounting surface and the pressing part, and connected to both the mounting surface and the pressing part. This effectively reduces the risk of damage to components caused by rigid contact between the pressing part and the top cover. Attached Figure Description

[0021] Figure 1 A schematic diagram of a stator and rotor assembly device provided by this utility model; Figure 2 A schematic diagram of a lifting mechanism provided by this utility model; Figure 3 for Figure 2 The provided isometric view of the lifting mechanism; Figure 4 A schematic diagram of a assemblies provided by this utility model; Figure 5 for Figure 4 A magnified view of a portion of the assembly station A provided; Figure 6A schematic diagram of a clamping assembly provided by this utility model; Figure 7 for Figure 1 A partial enlarged view of point B in the provided stator and rotor assembly equipment; Figure 8 A schematic diagram of a support mechanism provided by this utility model.

[0022] Reference numerals: 01-Stator; 02-Lower housing; 03-Tray; 04-Conveyor line; 05-Rotor; 06-Top cover; 07-First surface; 1-Stop assembly; 2-Clamping mechanism; 3-Assembly station; 31-Adjustment structure; 311-Fixing part; 312-Screw; 313-Nut; 32-Mounting part; 321-Second positioning pin; 33-Through hole; 4-Lifting mechanism; 41-First cylinder; 42-Lifting part; 43-Limiting part; 44-Second cylinder; 45-First locating pin; 46-Mounting seat; 47-Transfer structure; 48-Linear bearing; 5-First clearance; 6-Pressure assembly; 61-Mounting surface; 62-Pressure fitting part; 611-Mounting groove; 612-Indexing pin; 63-Elastic structure; 7-Second clearance; 8-Rotor tooling; 9-Support mechanism; 81-Rotor support; 82-Top cover support; 83-Mounting plate; 91-First support part; 92-Second support part. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. However, the exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein. The same reference numerals in the drawings denote the same or similar structures, and therefore repeated descriptions of them will be omitted. The terms expressing position and direction described in the embodiments of this utility model are illustrative based on the accompanying drawings, but changes can be made as needed, and all such changes are included within the protection scope of this utility model. The accompanying drawings of the embodiments of this utility model are only for illustrating relative positional relationships and do not represent actual proportions.

[0024] It should be noted that specific details are set forth in the following description to facilitate understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0025] The stator, as the stationary part of the motor, generates a rotating magnetic field through electromagnetic induction; the rotor, as the rotating part of the motor, rotates under the influence of the magnetic field, converting electrical energy into mechanical energy.

[0026] During the stator-rotor assembly process, the precision of the assembly directly affects motor performance, air gap size, magnetic flux path, and energy conversion efficiency. Even minor assembly errors can lead to performance degradation or damage to the motor. Therefore, in the core process of motor manufacturing, precise stator-rotor assembly is crucial for ensuring efficient and stable motor operation. However, current stator-rotor assembly equipment used in conjunction with conveyor lines requires placing the stator on a pallet on the conveyor line and then using a robotic arm to grasp the stator for stator-rotor assembly. However, due to the poor consistency of the stator's position on the conveyor line, the robotic arm cannot accurately grasp the stator, resulting in low stator-rotor assembly precision.

[0027] In view of this, in the stator and rotor assembly equipment provided by this utility model, the relative position of the stator and the robot arm is fixed by positioning the pallet on the conveyor line. This helps to improve the accuracy of the robot arm in grasping the stator, thereby improving the assembly accuracy of the stator and rotor. To make the purpose, technical solution and advantages of this utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] refer to Figure 1 , Figure 1 This is a schematic diagram of a stator-rotor assembly device provided by this utility model. The stator-rotor assembly device is used for assembling a stator 01 and a rotor 05. The stator 01 is housed in a lower housing 02, which is placed on a conveyor line 04 via a tray 03. The rotor 05 is mounted on an upper cover 06, which is used to fasten with the lower housing 02, and the rotor 05 is inserted into the inner ring of the stator 01.

[0029] Continue to refer to Figure 1 The stator and rotor assembly equipment includes a stop assembly 1, a clamping mechanism 2, and an assembly station 3, wherein the assembly station 3 is located outside the conveyor line 04. At the same time, the stop assembly 1 is used to move toward or away from the conveyor line 04, and when the stop assembly 1 is located on the conveyor line 04, the stop assembly 1 is used to abut against the side wall of the tray 03.

[0030] During the assembly of stator 01 and rotor 05, when pallet 03 moves along conveyor line 04 to the first station, stop assembly 1 abuts against the side wall of pallet 03. At this time, clamping mechanism 2 is used to clamp the lower housing 02 relative to it. In addition, clamping mechanism 2 is also used to place the lower housing 02 from pallet 03 to assembly station 3.

[0031] Using the stator and rotor assembly equipment provided by this utility model, during the assembly of stator 01 and rotor 05, the stop assembly 1 abuts against the side wall of the tray 03 on the conveyor line 04 to achieve the positioning of the tray 03 on the conveyor line 04. At the same time, the lower box 02 on the positioned tray 03 is aligned with the clamping mechanism 2, which can effectively improve the accuracy of the clamping mechanism 2 in clamping the lower box 02.

[0032] Furthermore, since the assembly station 3 is located outside the conveyor line 04, and the clamping mechanism 2 is used to clamp the lower housing 02 and move it along a preset route (i.e., the route from the first station to the assembly station 3) to the assembly station 3, the accuracy of the clamping mechanism 2 in clamping the lower housing 02 is improved. This also effectively improves the fitting accuracy between the lower housing 02 and the assembly station 3, thereby helping to improve the assembly accuracy of the stator 01 and the rotor 05.

[0033] It should be noted that the stator and rotor assembly equipment provided by this utility model also includes a linear guide rail, along which... Figure 1 In the Z direction, a linear guide rail is positioned above the conveyor line 04 and extends along the X direction. The clamping mechanism 2 moves from the first station to the assembly station 3 via the linear guide rail.

[0034] Furthermore, during the assembly of the stator 01 and rotor, when the pallet 03 moves along the conveyor line 04 to the first station, that is, along the Z direction, the clamping mechanism 2 and the lower housing 02 are positioned opposite each other. It is understood that at this time, the distance between the clamping mechanism 2 and the lower housing 02 along the Z direction can be adjusted according to actual needs. For example, the clamping mechanism 2 can be positioned above the lower housing 02 along the Z direction, and the clamping mechanism 2 can also move along the Z direction. Thus, when the pallet 03 moves along the conveyor line 04 to the first station, the clamping mechanism 2 can be moved towards the lower housing 02 to clamp the lower housing 02.

[0035] When the clamping mechanism 2 moves from the first station to the second station, the second station refers to the position of the clamping mechanism 2 when it is opposite the assembly station 3 along the Z direction. At this time, the clamping mechanism 2 is located above the assembly station 3, and the clamping mechanism 2 can clamp the lower box 02 and move it towards the assembly station 3 along the Z direction to place the lower box 02 in the assembly station 3.

[0036] It is worth mentioning that the stator and rotor assembly equipment may also include a first sensor, and when the tray 03 is located at the first station, the displacement of the clamping mechanism 2 to the lower housing 02 can be monitored through the first sensor. Additionally, the displacement of the clamping mechanism 2 from the first station to the second station, and from the second station to the assembly station 3, can also be monitored. Then, by comparing the actual displacement of the clamping mechanism 2 with the theoretical displacement, the displacement of the clamping mechanism 2 can be controlled, thereby further improving the assembly accuracy of the stator 01 and rotor 05.

[0037] When specifically setting the clamping mechanism 2, the clamping mechanism 2 is provided with a limiting protrusion and a limiting groove to match the limiting groove and limiting protrusion on the side wall of the lower housing 02, which helps to improve the connection stability between the clamping mechanism 2 and the lower housing 02.

[0038] Additionally, the stator and rotor assembly equipment provided by this utility model may include a drive device for driving the clamping mechanism 2 to move. The drive device may, for example, consist of a servo motor, a coupling, and a ball screw, with the ball screw mounted on the mounting bracket of the conveyor line 04 for connecting to the mounting bracket of the clamping mechanism 2.

[0039] In a specific embodiment, such as Figure 1 As shown, the stator and rotor assembly equipment also includes a lifting mechanism 4. When the clamping mechanism 2 is opposite to the first station, the lifting mechanism 4 is positioned opposite to the clamping mechanism 2, and a conveyor line 04 is set between the lifting mechanism 4 and the clamping mechanism 2. Additionally, a portion of the lifting mechanism 4 is used to pass through the conveying surface of the conveyor line 04 and abut against the bottom of the pallet 03, and to move the pallet 03 toward or away from the clamping mechanism 2. Thus, during the assembly of the stator 01 and rotor 05, when the pallet 03 is at the first station, it can be lifted by the lifting mechanism 4 to separate the pallet 03 from the conveying surface of the conveyor line 04. This allows the lifting mechanism 4 to position the pallet 03 while the clamping mechanism 2 is holding the lower housing 02, effectively avoiding the problem of reduced clamping accuracy of the clamping mechanism 2 on the lower housing 02 due to vibration of the conveying surface.

[0040] When specifically configuring lifting mechanism 4, refer to... Figure 2 , Figure 2 This is a schematic diagram of a lifting mechanism 4 provided by this utility model. The lifting mechanism 4 includes a first cylinder 41, a lifting part 42, and a limiting part 43. The first cylinder 41 is disposed on the side of the lifting part 42 opposite to the clamping mechanism 2, and the end of the telescopic rod of the first cylinder 41 is connected to the lifting part 42. (Reference) Figure 3 , Figure 3 for Figure 2 An isometric view of the provided lifting mechanism 4. The lifting section 42 can be exemplarily a rectangular plate, and is also referred to herein. Figure 1 and Figure 2 The rectangular plate abuts against the bottom of the tray 03 to move the tray 03 along the Z direction.

[0041] Additionally, the limiting part 43 is located on the side of the lifting part 42 away from the clamping mechanism 2, and along... Figure 2 In the Z direction shown, the distance between the top surface of the limiting part 43 and the clamping mechanism 2 can be set to a fixed value, and this fixed value can be adjusted according to actual needs. Furthermore, along the radial direction of the telescopic rod of the first cylinder 41 (e.g., Figure 2 (As shown in the Y direction), the limiting part 43 can move toward or away from the telescopic rod. In this way, during the assembly of the stator 01 and the rotor 05, when the lifting part 42 abuts against the tray 03, the limiting part 43 can move toward the telescopic rod, and the top surface of the limiting part 43 can abut against the side of the lifting part 42 away from the clamping mechanism 2. This can limit the rising height of the lifting part 42, thereby improving the stability of the lifting part 42 and further improving the clamping accuracy of the clamping mechanism 2 on the lower housing 02.

[0042] It is understandable that, along the Z direction, once the lifting height of the lifting part 42 is fixed, the user can determine the position of the clamping mechanism 2 relative to the lifting part 42, as well as the moving distance of the clamping mechanism 2 towards the lower housing 02 along the Z direction, based on the lifting height of the lifting part 42. This helps to improve the clamping accuracy of the clamping mechanism 2 towards the lower housing 02.

[0043] It should be noted that this utility model does not limit the specific shape of the limiting part 43. For example, the limiting part 43 can be a rectangular block, and the limiting block can also be provided with a groove, and the groove is along the moving direction of the limiting part 43 to the telescopic rod (e.g., Figure 2 Extending in the Y direction (as shown), the telescopic rod of the first cylinder 41 can be inserted into the groove, which helps to improve the compactness of the lifting mechanism 4.

[0044] In addition, such as Figure 3 As shown, the stator and rotor assembly equipment provided by this utility model can also be provided with a second cylinder 44 along the Y direction, so that the telescopic rod of the second cylinder 44 drives the limiting part 43 to move along the Y direction.

[0045] It is worth mentioning that, such as Figure 1 The tray 03 shown includes a first positioning hole ( Figure 1 (not shown in the image), such as Figure 2The lifting mechanism 4 shown includes a first positioning pin 45. The first positioning pin 45 can be exemplaryly disposed on the lifting part 42 and extends towards the pallet 03. Thus, when the pallet 03 moves to the first station, during the upward movement of the lifting part 42, the first positioning pin 45 and the first positioning hole can be inserted to achieve positioning and stable connection between the lifting part 42 and the pallet 03. It is understood that this also effectively avoids the risk of the pallet 03 slipping. Furthermore, the first positioning pin 45 can be a cylindrical pin or a diamond-shaped pin. The lifting mechanism 4 can also include two first positioning pins 45, spaced apart along the diagonal direction of the lifting part 42, which can further improve the positioning accuracy of the pallet 03.

[0046] It should be noted that in the stator and rotor assembly equipment provided by this utility model, when the stop assembly 1 is not in contact with the side wall of the tray 03, there is a gap between the lifting part 42 of the lifting mechanism 4 and the bottom of the tray 03. This can prevent the lifting part 42 from generating resistance to the normally moving tray 03 (i.e., the tray 03 that does not need to be stopped by the stop assembly 1). When the stop assembly 1 abuts against the side wall of the tray 03, the lifting part 42 rises so that the first positioning pin 45 is inserted into the first positioning hole, and the plate surface of the lifting part 42 abuts against the bottom of the tray 03.

[0047] In one specific embodiment, continue to refer to Figure 2 The lifting mechanism 4 may also include a mounting base 46 and a transition structure 47, along the direction of movement of the lifting part 42 (e.g., Figure 2 (As shown in the Z direction), the lifting part 42 is disposed opposite to the mounting base 46, and there is a first gap 5, and the transition structure 47 and the limiting part 43 are both located in the first gap 5. This makes the structure of the lifting mechanism 4 more compact.

[0048] Alternatively, by fitting the adapter structure 47 onto the outer side of the end of the telescopic rod of the first cylinder 41 and detachably connecting it to the lifting part 42, and by having the limiting part 43 abut against the side of the adapter structure 47 away from the lifting part 42 when the lifting part 42 abuts against the bottom of the tray 03, the lifting height of the lifting part 42 can be limited. This not only improves the stability of the lifting part 42, but also further enhances the clamping accuracy of the clamping mechanism 2 on the lower box 02.

[0049] Understandably, since the adapter structure 47 is sleeved on the outside of the end of the telescopic rod of the first cylinder 41 and is detachably connected to the lifting part 42, the user can replace the adapter structure 47 of different sizes according to actual needs to adjust the fixed value of the lifting height of the lifting part 42, thereby changing the setting height of the clamping mechanism, so as to reduce the overall height of the equipment, thereby reducing the space occupied by the equipment and reducing the manufacturing cost of the equipment.

[0050] It should be noted that this utility model does not limit the specific form of the mounting base 46 and the adapter structure 47. The mounting base 46 can be, for example, a rectangular plate, with the telescopic rod of the first cylinder 41 passing through the surface of the rectangular plate and connecting to the lifting part 42. Additionally, the adapter structure 47 can be, for example, a ring-shaped structure, with the telescopic rod inserted into the inner ring of the ring structure. This satisfies the functional requirements of the mounting base 46 and the adapter structure 47 while improving the structural simplicity of both, and also helps reduce the processing difficulty of both.

[0051] It is worth mentioning that, such as Figure 2 As shown, multiple linear bearings 48 are also provided between the mounting base 46 and the lifting part 42, and the multiple linear bearings 48 are evenly distributed between the mounting base 46 and the lifting part 42, which can further improve the displacement accuracy and stability of the lifting part 42 during the movement process.

[0052] In addition, a guide wheel is provided between the mounting base 46 and the lifting part 42. The side wall of the guide wheel is used to roll into contact with the side wall of the limiting part 43 to improve the movement stability of the limiting part 43 in the Y direction.

[0053] In one specific embodiment, reference Figure 4 , Figure 4 This is a schematic diagram of a assembly station 3 provided by the present invention. The assembly station 3 includes an adjustment structure 31 and an installation part 32, such as... Figure 1 As shown, the mounting part 32 is disposed on the first surface 07. For example, the worktable includes the first surface 07, and the mounting part 32 is used to mount the lower housing 02. The adjusting structure 31 is connected to the side wall of the mounting part and is used to move the mounting part 32 along the first surface 07. Thus, the clamping mechanism 2 moves along... Figure 1 When the X-direction is moved to the assembly station 3, the user can fine-tune the position of the mounting part 32 by adjusting the structure 31 within the first surface 07, so as to improve the relative positional accuracy of the clamping mechanism 2 and the mounting part 32 along the Z-direction, thereby further improving the assembly accuracy of the stator 01 and the rotor 05.

[0054] When specifically setting and adjusting structure 31, for example, refer to Figure 5 , Figure 5 for Figure 4The enlarged view of section A of assembly station 3 shows the adjustment structure 31, which includes a fixing part 311, a screw 312, and a nut 313. The fixing part 311 is located on the first surface 07. One end of the screw 312 is fixedly connected to the side wall of the mounting part 32, and the other end is threadedly connected to the fixing part 311. The nut 313 is fitted onto the screw 312 and rotatably connected to the fixing part 311. By rotating the nut 313, the screw 312 can be rotated to move the mounting part 32 toward or away from the fixing part 311, thereby adjusting the position of the mounting part 32 within the first surface 07.

[0055] Furthermore, this utility model does not limit the specific form of the mounting part 32. For example, the mounting part 32 can be a rectangular plate, so as to meet the placement requirements of the lower box 02 while effectively reducing the processing difficulty of the mounting part 32.

[0056] It is worth mentioning that the lower housing 02 includes a second positioning hole, such as Figure 4 As shown, the mounting part 32 includes a second positioning pin 321, which is inserted into a second positioning hole. This improves the connection stability between the lower housing 02 and the mounting part 32. The second positioning pin 321 can be a cylindrical pin or a diamond-shaped pin, and the mounting part 32 can also include two second positioning pins 321, which are spaced apart along the diagonal of the mounting part 32, further improving the positioning accuracy of the lower housing 02.

[0057] In addition, the mounting part 32 can be connected to the first surface 07 of the workbench in a detachable manner, so that different sizes of mounting parts 32 can be replaced for different models of lower housing 02 to improve the versatility of the equipment.

[0058] In a specific embodiment, such as Figure 1 The stator and rotor assembly equipment may further include a clamping assembly 6, which is positioned opposite to the assembly station 3 and has a second gap 7 for placing the upper cover 06 and the lower housing 02. The clamping assembly 6 is moved toward or away from the assembly station 3 and abuts against the upper cover 06. Thus, after the lower housing 02 is placed at the installation station and the rotor 05 is inserted into the inner ring of the stator 01, the clamping assembly 6 can move toward the installation station to abut against the upper cover 06 and apply pressure, thereby achieving a stable connection between the upper cover 06 and the lower housing 02 and improving the automation level of the equipment.

[0059] In addition, the stator and rotor assembly equipment may also include a second sensor, and during the process of the clamping assembly 6 moving toward the assembly station 3, the displacement of the clamping assembly 6 to the assembly station 3 can be monitored by the second sensor. Then, by comparing the actual displacement of the clamping assembly 6 with the theoretical displacement, the displacement of the clamping assembly 6 can be controlled, and the magnitude of the force applied by the clamping assembly 6 toward the upper cover 06 can be controlled, so as to avoid motor failure due to excessive or insufficient force.

[0060] When specifically configuring the clamping component 6, refer to... Figure 6 , Figure 6 This is a schematic diagram of a clamping assembly 6 provided by this utility model. The clamping assembly 6 may include a mounting surface 61 and a pressing part 62, with the mounting surface 61 facing the assembly station 3. The pressing part 62 is detachably connected to the mounting surface 61 and is used to abut against the upper cover 06. Using the stator and rotor assembly equipment provided by this utility model, users can replace different pressing parts 62 according to the shape of the upper cover 06, which helps to improve the versatility of the equipment.

[0061] Furthermore, this utility model does not limit the specific structure of the pressing part 62. For example, the pressing part 62 can be a cylindrical structure, and the end face of the cylinder is used to abut against the upper cover 06. This can meet the functional requirements of the pressing part 62 while reducing the processing difficulty of the pressing part 62. It is understood that multiple pressing parts 62 can be provided, and the multiple pressing parts 62 are arranged in an array, which helps to improve the uniformity of force on the upper cover 06.

[0062] It is worth mentioning that the mounting surface 61 includes a mounting groove 611, and the crimping part 62 can be inserted into the mounting groove 611. The crimping part 62 and the mounting groove 611 are detachably connected by the indexing pin 612, which helps to improve the connection between the crimping part 62 and the mounting surface 61, as well as the replacement of the crimping part 62.

[0063] In addition, the clamping assembly 6 may also include an elastic structure 63, which is disposed between the mounting surface 61 and the pressing part 62 and connected to both the mounting surface 61 and the pressing part 62. This can effectively reduce the risk of damage to various components caused by the rigid contact between the pressing part 62 and the upper cover 06.

[0064] This invention does not limit the specific structure of the elastic structure 63; the elastic structure 63 can be exemplarily a disc spring. It can meet the elasticity requirements of the elastic structure 63 while helping to reduce production costs.

[0065] In a specific embodiment, such as Figure 1 The stator and rotor assembly equipment also includes a rotor fixture 8, which is used to place the top cover 06.

[0066] In one possible implementation, the rotor fixture 8 can also be, for example, a set of clamping arms for clamping the outer wall of the upper cover 06. Thus, during the assembly of the stator 01 and rotor 05, the rotor fixture 8 can drive the rotor 05 and the upper cover 06 toward... Figure 1 The second gap 7 shown is moved so that the rotor 05 and the upper cover 06 are located in the second gap 7, and the rotor tooling 8 is located directly above the installation position along the Z direction. This allows the projection of the rotor 05 along the Z direction to fall into the inner ring of the stator 01, which can effectively improve the assembly accuracy of the stator 01 and the rotor 05, and at the same time improve the automation level of the equipment.

[0067] In addition, the stator and rotor assembly equipment may also include a third sensor, and during the movement of the rotor tooling 8 toward the second gap 7, the displacement of the rotor tooling 8 to the second gap 7 can be monitored by the third sensor. Then, by comparing the actual displacement of the rotor tooling 8 with the theoretical displacement, the displacement of the rotor tooling 8 can be controlled, thereby further improving the assembly accuracy of the stator 01 and the rotor 05.

[0068] In a specific embodiment, such as Figure 1 As shown, the stator and rotor assembly equipment also includes a support mechanism 9. Along the Z direction, the assembly station 3 includes a through hole 33, which penetrates the mounting part 32. A portion of the support mechanism 9 extends and retracts along the through hole 33 toward the pressing assembly 6. When the portion of the support mechanism 9 extends along the through hole 33 toward the pressing assembly 6, it can penetrate the inner ring of the stator 01 and abut against the rotor 05 to support the rotor 05 and the upper cover 06, and make the rotor 05 fall accurately into the inner ring of the stator 01. This can effectively improve the automation level of the equipment and improve the assembly accuracy of the stator 01 and the rotor 05.

[0069] Understandably, when part of the support mechanism 9 penetrates the inner ring of the stator 01 and abuts against the rotor 05, the clamping assembly 6 can simultaneously apply force to the upper cover 06, which also helps to improve the stability of the rotor 05 and the upper cover 06 and reduce the risk of the rotor 05 slipping off the support mechanism 9.

[0070] It is worth mentioning that, for reference Figure 7 , Figure 7 for Figure 1The enlarged view at point B of the provided stator-rotor assembly equipment shows the rotor fixture 8. The rotor fixture 8 can, for example, include a rotor support 81, a top cover support 82, and a mounting plate 83. The rotor support 81 is disposed on the mounting plate 83 for supporting and positioning the rotor 05. Specifically, the rotor support 81 can be an arc-shaped groove structure, with the rotor 05 embedded within it. For example, the radius of the rotor 05 is equal to or has a gap with the radius of the arc-shaped groove. This improves both the ease of rotor installation and the positioning accuracy of the rotor 05.

[0071] In the specific configuration of the upper cover support 82, the upper cover support 82 is located on the mounting plate 83, outside the rotor support 81, and is used to support the upper cover 06 connected to the rotor 05. The upper cover support 82 can be a positioning post, and the upper cover 06 is provided with positioning holes or positioning grooves corresponding to the positioning post. Additionally, the mounting plate 83 has a groove extending along the moving direction of the rotor tooling 8, and the groove opening penetrates the side wall of the rotor tooling 8 facing the second gap 7. Thus... Figure 1 As shown, when part of the support mechanism 9 and the pressing assembly 6 simultaneously abut against the rotor, since the part of the support mechanism 9 used to abut against the rotor passes through the groove, the rotor fixture 8 can move out of the second gap 7 in the direction away from the second gap 7 after the rotor is stably connected to the support mechanism 9 and the pressing assembly. Then, the pressing assembly 6, the upper cover 06, the rotor 05, and the part of the support mechanism 9 used to abut against the rotor 05 can move synchronously in the negative Z-axis direction, so that the rotor 05 falls into the inner ring of the stator 01, and at the same time, the upper cover 06 and the lower housing 02 are fastened together. This is beneficial to further improve the automation level of the equipment and improve the assembly accuracy of the stator 01 and the rotor 05.

[0072] In addition, the stator and rotor assembly equipment provided by this utility model may also include a linear guide rail, which extends along the Y direction, and the rotor tooling 8 moves toward or away from the second gap 7 by a linear guide.

[0073] When specifically setting up support mechanism 9, refer to... Figure 8 , Figure 8 This is a schematic diagram of a support mechanism 9 provided by this utility model. The support mechanism 9 includes a first support portion 91 and a second support portion 92. The first support portion 91 and the second support portion 92 are movable along the Z direction, and the first support portion 91 and the second support portion 92 are used to penetrate the inner rings of the two stators 01 one-to-one, and abut against the two rotors 05 one-to-one. In addition, along the radial direction of the first support portion 91 (e.g., Figure 8(As shown in the Y direction), the first support 91 can also move in a direction toward or away from the second support 92. The center distance between the first support 91 and the second support 92 can be adjusted according to the center distance of the rotors 05 of different motor models, so as to achieve a one-to-one correspondence between the first support 91 and the second support 92 and the two rotors 05, which is beneficial to improving the versatility of the stator-rotor assembly equipment.

[0074] When specifically configuring the first support part 91, the first support part 91 can be exemplarily a rod-shaped structure. In addition, the end of the first support part 91 that is close to the rotor 05 along the axial direction can be a conical head, which can further reduce the offset of the rotor 05 axis along the direction of gravity (Z direction), thereby further improving the assembly accuracy of the assembly equipment.

[0075] It is understandable that the structure of the second support part 92 can refer to that of the first support part 91, and will not be described in detail here.

[0076] In addition, the stator and rotor assembly equipment provided by this utility model may include a drive device for driving the first support part 91 and the second support part 92 to move. The drive device may, for example, consist of a servo motor, a coupling, a driven pulley, a driving pulley, a synchronous belt, and a ball screw, with the ball screw mounted on the mounting bracket of the support mechanism 9 to connect the first support part 91 and the second support part 92, thereby enabling the first support part 91 and the second support part 92 to move along the Z direction.

[0077] The movement of the first support 91 toward the second support 92 can be achieved by an electric actuator. Additionally, the equipment's cables can be housed within a cable chain, thus reducing the risk of cable damage.

[0078] In summary, the stator and rotor assembly equipment provided by this utility model, during the assembly of stator 01 and rotor 05, achieves the positioning of pallet 03 on conveyor line 04 by the contact between the stop assembly 1 and the side wall of pallet 03 on conveyor line 04, and at the same time makes the lower box 02 on the positioned pallet 03 face the clamping mechanism 2, which can effectively improve the accuracy of clamping mechanism 2 in clamping the lower box 02.

[0079] Furthermore, since the assembly station 3 is located outside the conveyor line 04, and the clamping mechanism 2 is used to clamp the lower housing 02 and move it along a preset route (i.e., the route from the first station to the assembly station 3) to the assembly station 3, the accuracy of the clamping mechanism 2 in clamping the lower housing 02 is improved. This also effectively improves the fitting accuracy between the lower housing 02 and the assembly station 3, thereby helping to improve the assembly accuracy of the stator 01 and the rotor 05.

[0080] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A stator and rotor assembly device for assembling a stator and a rotor, wherein the stator is housed in a lower housing, the lower housing being placed on a conveyor line via a pallet; the rotor is mounted on an upper cover, the upper cover being fastened to the lower housing, and the rotor being inserted into the inner ring of the stator, characterized in that, The stator and rotor assembly equipment includes a stop assembly, a clamping mechanism, and an assembly station, wherein: The stop assembly is used to move toward or away from the conveyor line, and when the stop assembly is located on the conveyor line, the stop assembly is used to abut against the side wall of the pallet; The assembly station is located outside the conveyor line; When the pallet moves to the first station along the conveyor line, the stop assembly abuts against the side wall of the pallet, the clamping mechanism is used to be opposite to the lower box and to clamp the lower box, and to place the lower box at the assembly station.

2. The stator and rotor assembly equipment according to claim 1, characterized in that, The stator and rotor assembly equipment also includes a first sensor, which is used to monitor the displacement of the clamping mechanism from the first station to the assembly station.

3. The stator and rotor assembly equipment according to claim 1, characterized in that, The stator and rotor assembly equipment also includes a lifting mechanism. When the clamping mechanism is opposite to the first workstation, the lifting mechanism is configured to be opposite to the clamping mechanism, and the conveyor line is configured between the lifting mechanism and the clamping mechanism. A portion of the lifting mechanism is used to pass through the conveying surface of the conveyor line and abut against the bottom of the pallet, and is used to move the pallet toward or away from the clamping mechanism.

4. The stator and rotor assembly equipment according to claim 3, characterized in that, The tray includes a first positioning hole, and the lifting mechanism includes a first positioning pin, which extends toward the tray and is inserted into the first positioning hole.

5. The stator and rotor assembly equipment according to claim 3, characterized in that, The lifting mechanism further includes a first cylinder, a lifting part, and a limiting part. The first cylinder is disposed on the side of the lifting part away from the clamping mechanism, and the end of the telescopic rod of the first cylinder is connected to the lifting part. The limiting part is disposed on the side of the lifting part away from the clamping mechanism; Along the radial direction of the telescopic rod, the limiting portion moves toward or away from the telescopic rod; When the lifting part abuts against the tray, the limiting part moves toward the telescopic rod and abuts against the side of the lifting part away from the clamping mechanism.

6. The stator and rotor assembly equipment according to claim 5, characterized in that, The lifting mechanism further includes a mounting base and a transition structure. Along the moving direction of the lifting part, the lifting part and the mounting base are disposed opposite each other and there is a first gap. The transition structure and the limiting part are both located in the first gap. The adapter structure is sleeved on the outside of the end of the telescopic rod and is detachably connected to the lifting part; The limiting part is used to abut against the side of the adapter structure opposite to the lifting part.

7. The stator and rotor assembly equipment according to claim 1, characterized in that, The assembly station includes an adjustment structure and an installation part. The installation part is located on the first surface and is used to install the lower housing. The adjustment structure is connected to the side wall of the installation part and is used to drive the installation part to move along the first surface.

8. The stator and rotor assembly equipment according to claim 7, characterized in that, The lower housing includes a second positioning hole, and the mounting part includes a second positioning pin, which is used to be inserted into the second positioning hole.

9. The stator and rotor assembly equipment according to claim 1, characterized in that, The stator and rotor assembly equipment also includes a clamping assembly, which is disposed opposite to the assembly station and has a second gap, which is used to place the upper cover and the lower housing. The clamping assembly is used to move toward or away from the assembly station; and is used to abut against the top cover.

10. The stator and rotor assembly equipment according to claim 9, characterized in that, The stator and rotor assembly equipment further includes a rotor fixture for placing the upper cover; the rotor fixture is used to move toward or away from the second gap.

11. The stator and rotor assembly equipment according to claim 10, characterized in that, The stator and rotor assembly equipment also includes a support mechanism. The assembly station includes a through hole, and a portion of the support mechanism extends and retracts along the through hole toward the clamping assembly. The support mechanism is used to penetrate the inner ring of the stator and abut against the rotor.

12. The stator and rotor assembly equipment according to claim 11, characterized in that, The rotor tooling is provided with a groove that extends along the moving direction of the rotor tooling; and the groove opening penetrates the side wall of the rotor tooling facing the second gap. When the rotor tooling is located in the second gap, a portion of the support mechanism penetrates the groove.

13. The stator and rotor assembly equipment according to claim 9, characterized in that, The pressing assembly includes a mounting surface and a pressing part. The mounting surface faces the assembly station, and the pressing part is detachably connected to the mounting surface. The pressing part is used to abut against the top cover.

14. The stator and rotor assembly equipment according to claim 13, characterized in that, The clamping assembly further includes an elastic structure disposed between the mounting surface and the pressing part, and connected to the mounting surface and the pressing part respectively.

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