CN216904631U - Motor assembly system - Google Patents

Abstract

The invention relates to the technical field of motor assembly, in particular to a motor assembly system. This motor assembly system includes: the stator assembling structure, the rotor assembling structure and the assembling structure are arranged on the machine body structure; the stator assembly structure is used for positioning the stator group and is provided with a stator assembly station, the rotor assembly structure is used for positioning the rotor group and is provided with a rotor assembly station, and the stator assembly station and the rotor assembly station are arranged along a first direction so that the axial lead of the rotor group is collinear with the axial lead of the stator group; the assembling structure is used for installing the rotor set on the rotor assembling station into the stator set on the stator assembling station. The stator assembly structure and the rotor assembly structure can automatically control the axial lead of the stator group and the axial lead of the rotor group to be collinear, the axial leads of the stator group and the rotor group can be automatically coaxial, and the rotor group and the stator group cannot collide with each other in the assembly process of the stator group and the rotor group; and the assembly process is controlled, so that the motor wire can be protected from being damaged.

Description

Motor assembly system

Technical Field

The invention relates to the technical field of motor assembly, in particular to a motor assembly system.

Background

One of the main steps of motor assembly is to assemble the rotor into the stator assembly, which is currently mainly assembled manually.

When the rotor is assembled into the stator manually, the peripheral gap between the rotor group and the stator is difficult to control, the rotor and the stator are inevitably collided, and the motor wire of the rotor is possibly damaged; in addition, the manual assembly mode has the quality management and control risk that can not reach the assembly technical requirement, and the production efficiency is certainly not high.

Therefore, it is desirable to have an apparatus that can automatically assemble a rotor and a stator to alleviate the above problems.

Disclosure of Invention

The invention discloses a motor assembling system which is used for automatically assembling a rotor and a stator so as to obtain higher assembling precision.

In order to achieve the purpose, the invention provides the following technical scheme:

an electric motor assembly system comprising: the stator assembly structure, the rotor assembly structure and the assembly structure are arranged on the machine body structure;

the stator assembling structure is used for positioning a stator group and is provided with a stator assembling station, the rotor assembling structure is used for positioning a rotor group and is provided with a rotor assembling station, and the stator assembling station and the rotor assembling station are arranged along a first direction so that the axis of the rotor group is collinear with the axis of the stator group;

the assembling structure is used for installing the rotor group on the rotor assembling station into the stator group on the stator assembling station.

The stator assembly structure and the rotor assembly structure can mechanically and electrically integrate to automatically control the axis of the stator group and the axis of the rotor group to be collinear, which is equivalent to automatically realizing the alignment of the stator group and the rotor group, and the rotor group and the stator group cannot collide with each other in the assembly process of the stator group and the rotor group; and the assembly process is controlled, so that the motor wire can be protected from being damaged.

Optionally, the stator assembling structure comprises a rack, a first guide rail pair, a first cylinder and a tray;

the rack is fixed on the machine body structure, the first guide rail pair is fixed on the rack and extends along a second direction, and the second direction is perpendicular to the first direction; the first guide rail pair is provided with a stator feeding position and a stator mounting position, and the stator mounting position corresponds to the stator assembling station;

the tray is arranged on the first guide rail pair in a sliding mode to bear the stator group;

the first air cylinder is arranged on the rack and used for driving the tray to slide between the stator feeding position and the stator mounting position along the first guide rail pair.

Optionally, the stator assembling structure further comprises a stator limiting block assembly and a stator positioning assembly;

the stator limiting block assemblies are fixed at two ends of the first guide rail pair so as to limit the maximum displacement stroke of the tray on the first guide rail pair;

the stator positioning assembly is fixed on the rack so as to limit the stator group at the stator assembling station.

Optionally, the rotor assembling structure comprises a transition plate, a second guide rail pair, a second cylinder and a sliding table;

the transition plate can be arranged on the machine body structure in a sliding mode along a first direction, the second guide rail pair is fixed on the transition plate and extends along a second direction; the second guide rail pair is provided with a rotor feeding position and a rotor mounting position, and the rotor mounting position corresponds to the rotor assembling station;

the sliding table is arranged on the second guide rail pair in a sliding mode so as to bear the rotor set;

the second cylinder is arranged on the transition plate and used for driving the sliding table to slide between the rotor feeding position and the rotor mounting position along the second guide rail pair.

Optionally, the rotor assembly structure further comprises a rotor limit block assembly, and the rotor limit block assembly is fixed on the second guide rail pair to limit the maximum displacement stroke of the sliding table on the second guide rail pair.

Optionally, the assembly structure comprises a tip module, an assembly module and a positioning module;

the tip module is used for clamping the rotor set along the first direction; the assembling module is in driving connection with the tip module to drive the tip module to move along the first direction, and the positioning module is used for positioning the rotor set to enable the axis of the rotor set to be collinear with the axis of the stator set.

Optionally, the tip module comprises a first tip assembly and a second tip assembly;

the first center assembly acts on one side, facing away from the stator set, of the rotor set along the first direction, and the second center assembly acts on one side, facing towards the stator set, of the rotor set along the first direction.

Optionally, the first point assembly comprises a first box, a third cylinder and a first point;

the first box body is movably arranged on the machine body structure along a first direction, the first tip is fixed on the first box body, and the first tip is used for abutting against the rotor set;

the third cylinder is fixed to the machine body structure to drive the first box body to move on the machine body structure along a first direction.

Optionally, the second point assembly comprises a second box, a fourth cylinder and a second point;

the second box body is movably arranged on the machine body structure along a first direction, the second tip is fixed on the second box body, and the second tip is used for applying force to the rotor set;

the fourth cylinder is fixed to the machine body structure to drive the second box body to move on the machine body structure along the first direction.

Optionally, the assembly module comprises a servo cylinder;

the servo cylinder is fixed on the machine body structure, and the power output end of the servo cylinder is in driving connection with the tip module.

Drawings

Fig. 1 is a schematic structural diagram of a motor assembly system according to an embodiment of the present invention;

fig. 2 is a front view of a motor mounting system according to an embodiment of the present invention;

fig. 3 is a left side view of a motor mounting system according to an embodiment of the present invention;

fig. 4 is a top view of a motor mounting system according to an embodiment of the present invention.

Icon: 11-equipment base; 12-welding the upright post; 20-stator group; 21-a gantry; 211-legs; 22-a first guide rail pair; 23-a first cylinder; 24-a tray; 25-a stator stop block assembly; 26-a stator positioning assembly; 30-a rotor set; 31-a transition plate; 32-a second guide rail pair; 33-a second cylinder; 34-a slide table; 35-rotor stop block assembly; 411-first apex assembly; 4111-a first tank; 4112-a first apex; 412-a second tip assembly; 4121-a second box; 4122-third cylinder; 4123-second centre; 42-assembling the module; 421-servo cylinder; 422-a push-pull assembly; 43-a positioning module; 51-a third rail pair; 52-fourth rail pair.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides a motor assembly system, which includes a machine body structure, a stator bearing structure, a rotor bearing structure, and an assembly structure, where the stator bearing structure, the rotor bearing structure, and the assembly structure are all disposed on the machine body structure; the stator assembly structure is used for positioning the stator set 20 and has a stator assembly station, the rotor assembly structure is used for positioning the rotor set 30 and has a rotor assembly station, and the stator assembly station and the rotor assembly station are arranged along a first direction so that the axis of the rotor set 30 is collinear with the axis of the stator set 20.

The first direction here refers to the vertical direction of the body structure when the body structure is placed on the ground, i.e. the direction perpendicular to the ground. In fig. 1, the Z direction is set as a first direction, the X direction is set as a second direction, the Y direction is set as a third direction, and the first direction, the second direction, and the third direction are perpendicular to each other.

The stator assembly structure and the rotor assembly structure can mechanically and electrically integrate to automatically control the axis of the stator group 20 and the axis of the rotor group 30 to be collinear, which is equivalent to realizing the automation of the assembly of the stator group 20 and the rotor group 30, and the rotor group 30 and the stator group 20 cannot collide with each other in the assembly process of the stator group 20 and the rotor group 30; and the assembly process is controlled, so that the motor wire can be protected from being damaged.

The machine body structure provides bearing support for the whole device and specifically comprises an equipment base 11 and a welding upright post 12, wherein the equipment base 11 is used for being placed on the ground or a supporting surface, and the plane where the equipment base 11 is located is a plane formed in the X direction and the Y direction; the welding column 12 is fixed to the equipment base 11 and may provide support for other structures in a vertical direction with respect to the equipment base 11.

The stator assembling structure comprises a rack 21, a first guide rail pair 22, a first air cylinder 23 and a tray 24, wherein the rack 21 is fixed on the equipment base 11 through a support leg 211, the first guide rail pair 22 is fixed on the rack 21, and the first guide rail pair 22 extends along a second direction (namely an X direction); the first guide rail pair 22 is provided with a stator loading position a1 and a stator mounting position a2, and the stator mounting position a2 corresponds to the stator assembling station; the tray 24 is arranged on the first guide rail pair 22 in a sliding mode, and the tray 24 is used for bearing the stator group 20; a first cylinder 23 is provided on the stand 21 for driving the tray 24 to slide along the first rail pair 22 between the stator loading position a1 and the stator mounting position a 2.

In fig. 1, first rail pair 22 extends in a second direction (i.e., the X direction), and prior to assembly, tray 24 is positioned at stator loading position a1, stator pack 20 is loaded from the left end of first rail pair 22 onto tray 24, and tray 24 has a structure for securing stator pack 20 thereto; the fixed end of the first cylinder 23 is fixed to the rack 21, the power output end abuts against the tray 24, the first cylinder 23 is started, the tray 24 is pushed to move along the first guide rail pair 22 from the stator loading position a1 to the stator mounting position a2, and the stator group 20 is moved from the stator loading position a1 to the stator mounting position a 2.

The stator assembling structure further comprises a stator limiting block assembly 25 and a stator positioning assembly 26, wherein the stator limiting block assembly 25 is fixed on the first guide rail pair 22 to limit the maximum displacement stroke of the tray 24 on the first guide rail pair 22. The stator positioning assembly 26 is fixed to the stand 21 to position the stator assembly 20 at the stator assembly station (i.e., the stator mounting position a 2). The position of the stator positioning assembly 26 on the stator assembly 20 may be limited by pressing, blocking, and the like, and is not limited.

The tray 24 carries the stator assembly 20 from the stator loading position a1 to the stator mounting position a2 driven by the first cylinder 23, stopped by the stator stop block assembly 25, and then the stator positioning assembly 26 acts on the stator assembly 20 to fix the position of the stator assembly 20 relative to the stand 21 with the stator assembly 20 in the stator assembly station.

The rotor assembling structure comprises a transition plate 31, a second guide rail pair 32, a second cylinder 33 and a sliding table 34; the transition plate 31 is slidably disposed on the machine body structure along a first direction (i.e., Z direction), the second guide rail pair 32 is fixed to the transition plate 31, and the second guide rail pair 32 extends along a second direction (i.e., X direction); the second guide rail pair 32 has a rotor loading position b1 and a rotor mounting position b2, where the rotor mounting position b2 corresponds to the rotor assembling position; the sliding table 34 is slidably disposed on the second guide rail pair 32 to carry the rotor set 30; the second cylinder 33 is fixed to the transition plate 31 for driving the slide table 34 to slide between the rotor loading position b1 and the rotor mounting position b 2.

In fig. 2, the second guide rail pair 32 extends in the second direction (i.e., the X direction), and before assembly, the slide table 34 is located at a rotor loading position b1, the rotor group 30 is loaded onto the slide table 34 from the right end of the second guide rail pair 32, and the slide table 34 has a structure for fixing the rotor group 30 thereon; the fixed end of the second cylinder 33 is fixed on the transition plate 31, the power output end abuts against the sliding table 34, the second cylinder 33 is started, the sliding table 34 is pushed to move along the second guide rail pair 32 from the rotor loading position b1 to the rotor mounting position b2, and the rotor set 30 moves from the rotor loading position b1 to the rotor mounting position b 2.

The rotor assembling structure further comprises rotor limit block assemblies 35, and the rotor limit block assemblies 35 are fixed at two ends of the second guide rail pair 32 to limit the maximum displacement stroke of the sliding table 34 on the second guide rail pair 32.

The sliding table 34 carries the rotor set 30 and is driven by the second air cylinder 33 from the rotor loading position b1 to the rotor mounting position b2, and the movement is prevented from stopping by the rotor limiting block assembly 35, and the rotor set 30 is at the rotor assembling station.

The assembly structure comprises a tip module, an assembling module 42 and a positioning module 43, wherein the tip module is used for clamping the rotor set 30 along a first direction (namely, a Z direction); the assembly module 42 drives the connection tip module to drive the tip module to move in a first direction (i.e., the Z direction); the positioning module 43 is used for positioning the rotor set 30 so that the axis of the rotor set 30 is collinear with the axis of the stator set 20.

When the rotor set 30 moves to the rotor assembling position b2, the positioning module 43 acts on the rotor set 30 to position it, so that the axis of the rotor set 30 is aligned with the axis of the stator set 20 and the assembling structure on the rotor set 30 corresponds to the assembling structure on the stator set 20; the center module clamps the rotor set 30 from the axial direction of the rotor set 30, and the rotor assembly structure is removed at the moment so as to prevent the rotor assembly structure from generating interference obstruction on the subsequent movement of the rotor set 30; the assembling module 42 is started, and the assembling module 42 drives the tip module to move to the stator assembling station along the first direction until the rotor set 30 is sleeved in the stator set 20, so that the rotor set 30 and the stator set 20 are assembled.

The positioning module 43 may specifically be a telescopic positioning structure, the telescopic positioning structure may include a spring and a positioning portion located at a free end of the spring, and the rotor set 30 is provided with a positioning hole matched with the positioning portion. When the rotor set 30 moves to the mounting position b2, it may be necessary to rotate the rotor set 30 around the axial line direction of the rotor set 30, so that the structure of the rotor set 30 can correspond to the structure of the stator set 30 for assembly, and in this process, the springs in the positioning module 43 are sprung out and the springs accumulate force on the rotor set 30 against which the positioning parts abut; when the rotor assembly 30 rotates to the position of the positioning portion around the first direction, the positioning portion loses the blocking, the spring releases the elastic potential energy to push the positioning portion to fall into the positioning hole, and the positioning module 43 blocks the rotor assembly 30 to rotate and move, so that the positioning function is achieved. When the positioning portion of the telescopic positioning structure can be matched with the positioning hole on the rotor set 30, it indicates that the rotor set 30 is already located at the rotor assembly station, that is, at this time, the axis of the rotor set 30 is collinear with the axis of the stator set 20, and the assembly structure on the rotor set 30 corresponds to the assembly structure on the stator set 20, the assembly operation can be started.

Specifically, the tip modules comprise a first tip assembly 411 and a second tip assembly 412, wherein the first tip assembly 411 acts on a side of the rotor set 30 facing away from the stator set 20 in a first direction and the second tip assembly 412 acts on a side of the rotor set 30 facing towards the stator set 20.

Here, the first center assembly 411 and the second center assembly 412 are oppositely arranged along the first direction, and a connecting line between a contact point of the first center assembly 411 acting on the rotor set 30 and a contact point of the second center assembly 412 acting on the rotor set 30 should be collinear with the axial line of the rotor set 30, so that a stable clamping effect is exerted on the rotor set 30.

It should be understood that since the first center assembly 411 and the second center assembly 412 are required to clamp the rotor set 30 from both ends of the axial line of the rotor set 30 and move the rotor set 30 toward the stator set 20 in the first direction until the rotor set 30 falls into the stator set 20, the second center assembly 412 herein actually penetrates through the center hole of the stator set 20 (i.e., the space for assembling the rotor set 30), and the moving path thereof penetrates through the center hole of the stator set 20.

Specifically, the first tip assembly 411 includes a first case 4111 and a first tip 4112; the first box 4111 is movably disposed in the housing along a first direction, the first tip 4112 is fixed to the first box 4111, and the first tip 4112 is configured to abut against the rotor set 30.

In order to facilitate the movement of the first box 4111 on the machine body structure along the first direction (Y direction), the machine body structure has a third rail pair 51 extending along the first direction. The third rail pair 51 can also be used as a moving track of the transition plate 31, and of course, the movement of the transition plate 31 on the third rail pair 51 also needs to be supported by a power source, which may specifically be an air cylinder, and the air cylinder is installed at a position on the rear side of the transition plate 21 and in the middle of the welding upright 12, which is not shown here.

Correspondingly, the second tip assembly 412 includes a second housing 4121, a third cylinder 4122, and a second tip 4123; the second box 4121 is movably arranged on the machine body structure along the vertical direction, the second tip 4123 is fixed on the second box 4121, and the second tip 4123 is used for abutting against the rotor set 30; the third cylinder 4122 is fixed to the body structure to drive the second housing 4121 to move on the body structure in the first direction (Y direction).

In order to facilitate the movement of the second housing 4121 in the first direction (Y direction) on the body structure, the body structure has a fourth pair of guide rails 52 extending in the first direction.

The assembling module 42 comprises a servo cylinder 421, the servo cylinder 421 is fixed on the machine body structure, and a power output end of the servo cylinder 421 is connected with the center module in a driving manner.

When the first center assembly 411 and the second center assembly 412 of the center module clamp the rotor set 30 stably, the servo cylinder 421 is started to drive the center module to move towards the stator set 20 integrally along the first direction until the rotor set 30 enters the central hole of the stator set 20, and the assembly is completed.

The overall structure of the tip module occupies a large space, and the displacement path is far away in the moving process, so that the servo cylinder 421 can effectively act on the tip module 41 to push the tip module 41 to move, and the assembling module 42 can further comprise a push-pull assembly 422. Push-and-pull subassembly 422 has fixed part and movable part, the fixed part is fixed in on the box of first top subassembly 411, the position of movable part is located between the power take off end of servo cylinder 421 and first box 4111, the movable part can be kept away from or be close to relative fixed part for the movable part can stretch into between the power take off end of servo cylinder 421 and first box 4111, when needs, play the additional action for the cooperation between the power take off end of servo cylinder 421 and first box 4111.

So far, the structure of the motor assembling system provided by the embodiment of the present application is introduced, and then, a motor assembling process based on the motor assembling system is introduced.

In the initial state, the tray 24 is at the stator loading position a1, and the robot or manipulator transfers the stator pack 20 to be assembled onto the tray 24; the first air cylinder 23 is started, the tray 24 is pushed to move to the stator mounting position a2 along the first guide rail pair 22 along the second direction, the tray 24 is blocked by the stator limiting block assembly 25, the tray 24 stops moving, the tray 24 reaches the stator mounting position a2, the stator positioning assembly 26 acts on a shell of the stator group 20 and compresses tightly, and the stator group 20 is fixed relative to the machine body structure; at the moment, the stator group 20 is located at a stator assembling station, a worker can manually and sequentially install the spring gasket, the bearing position O-shaped ring and the water channel O-shaped ring according to different product models and different materials, smash a motor shell pin and glue a glue gun for gluing. Next, the transition plate 31 is moved to a proper position along the third guide rail pair 51, and the sliding table 34 is located at the rotor loading position b1, and the worker uses the lifting appliance to lift and fix the rotor set 30 on the sliding table 34; the second air cylinder 33 is started to push the sliding table 34 to move to the rotor mounting position b2 along the second direction, the sliding table 34 is blocked by the rotor limit block assembly 35, the sliding table 34 stops moving, and the sliding table 34 reaches the rotor mounting position b 2; the positioning module 43 is activated to abut against the rotor set 30 to position the rotor set 30, so as to ensure that the axial line of the rotor set 30 is collinear with the axial line of the stator set 20 and the assembly structure on the rotor set 30 corresponds to the assembly structure on the stator set 20. The servo cylinder 421 starts to push the first box 4111 to move downward on the third rail pair 51 along the first direction until the first tip 4112 abuts against one end of the rotor set 30 away from the stator set 20, and the action point of the first tip 4112 abutting against the rotor set 30 is on the axis of the rotor set 30; the third cylinder 4122 starts to push the second box 4121 to move upward on the fourth guide rail pair 52 along the first direction until the second tip 4123 abuts against one end of the rotor set 30 facing the stator set 20, and the action point of the abutting action force of the second tip 4123 and the rotor set 30 is on the axis of the rotor set 30; at this time, the first center assembly 411 and the second center assembly 412 correspond to clamping the rotor set 30. Then, the servo cylinder 421 is activated, the power output end of the servo cylinder 421 presses the first box 4111 (in some cases, the power output end of the servo cylinder 421 presses the push-pull assembly 422, and the push-pull assembly 422 presses the first box 4111), and the whole tip module (including the first tip assembly 411 and the second tip assembly 412) is pushed to move in a first direction toward the stator assembly 20, so that the rotor assembly 30 is fed into the central hole of the stator assembly 20.

In some embodiments, the servo cylinder 421 can move the tip module in several stages. Firstly, the servo cylinder 421 pushes the center module to move at a speed of 30mm/s (at this time, the fourth cylinder 4122 is in a retraction state), until the distance between one end of the rotor set 30 facing the stator set 20 and one end of the stator set 20 facing the rotor set 30 is 90mm, and the servo cylinder 421 is adjusted to reduce the speed of pushing the center module 41 to move to 5 mm/s; in the process, the servo cylinder 421 is stopped when the distance is reduced by 10mm, the operator continues to start the servo cylinder 421 after finishing the motor line, and the servo cylinder 421 pushes the centre module to move at the speed of 5 mm/s; the distance between the end of the rotor set 30 facing the stator set 20 and the end of the stator set 20 facing the rotor set 30 is 19mm, the operator finishes the motor wires, and then starts the servo cylinder 421 to push the tip module to move continuously at the speed of 5mm/s until the rotor 30 enters the center hole of the stator 20 to finish the assembly. It should be understood that the above assembly process is only an exemplary one, and in actual practice, the speed and distance of movement of servo cylinder 421 and the assembly steps can be adjusted according to specific situations.

It should be noted that the motor assembling system provided in the embodiment of the present application has a control center in implementation, and specifically, the control center may include a master controller, which is electrically connected to the first cylinder 23, the second cylinder 33, the third cylinder 4122, the servo cylinder 421 and other electric control devices, respectively, to control the motion processes, and mechanically and electrically integrate to automate the installation of the stator set 20 and the rotor set 30. The third cylinder 4122 needs to be matched with the movement of the whole tip module during the process that the servo cylinder 421 pushes the tip module to move, and the detailed description is omitted here. In addition, the on-line automatic adjustment and detection operation is required to be completed in the assembly process, the measurement deviation caused by interference of human factors is eliminated, and the assembly quality and the operation efficiency of products are improved. And all the adjustment and detection data are stored and transmitted to a computer of the control center, and a database is established based on the adjustment and detection data, so that quality tracing can be performed in the future.

It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. An electric motor assembly system, comprising: the stator assembly structure, the rotor assembly structure and the assembly structure are arranged on the machine body structure;

the stator assembling structure is used for positioning a stator group and is provided with a stator assembling station, the rotor assembling structure is used for positioning a rotor group and is provided with a rotor assembling station, and the stator assembling station and the rotor assembling station are arranged along a first direction so that the axis of the rotor group is collinear with the axis of the stator group;

the assembling structure is used for installing the rotor group on the rotor assembling station into the stator group on the stator assembling station.

2. The motor mounting system of claim 1, wherein the stator mounting structure comprises a gantry, a first rail set, a first cylinder, and a tray;

the rack is fixed on the machine body structure, the first guide rail pair is fixed on the rack and extends along a second direction, and the second direction is perpendicular to the first direction; the first guide rail pair is provided with a stator feeding position and a stator mounting position, and the stator mounting position corresponds to the stator assembling station;

the tray is arranged on the first guide rail pair in a sliding mode to bear the stator group;

the first air cylinder is arranged on the rack and used for driving the tray to move back and forth between the stator feeding position and the stator mounting position along the first guide rail pair.

3. The electric motor assembly system of claim 2, wherein the stator assembly structure further comprises a stator stop block assembly and a stator positioning assembly;

the stator limiting block assemblies are fixed at two ends of the first guide rail pair so as to limit the maximum displacement stroke of the tray on the first guide rail pair;

the stator positioning assembly is fixed on the rack so as to limit the stator group at the stator assembling station.

4. The motor assembly system of claim 1, wherein the rotor assembly structure comprises a transition plate, a second guide rail pair, a second cylinder and a sliding table;

the transition plate is fixed on the machine body structure, the second guide rail pair is fixed on the transition plate and extends along a second direction; the second guide rail pair is provided with a rotor feeding position and a rotor mounting position, and the rotor mounting position corresponds to the rotor assembling station;

the sliding table is arranged on the second guide rail pair in a sliding mode so as to bear the rotor set;

the second cylinder is arranged on the transition plate and used for driving the sliding table to slide between the rotor feeding position and the rotor mounting position along the second guide rail pair.

5. The motor assembly system of claim 4, wherein the rotor assembly structure further comprises rotor stop block assemblies fixed at two ends of the second guide rail pair to limit a maximum displacement stroke of the sliding table on the second guide rail pair.

6. The motor assembly system of claim 1, wherein the assembly structure includes a tip module, an assembly module, and a positioning module;

the tip module is used for clamping the rotor set along the first direction; the assembling module is in driving connection with the tip module to drive the tip module to move along the first direction, and the positioning module is used for positioning the rotor set to enable the axis of the rotor set to be collinear with the axis of the stator set.

7. The motor assembly system of claim 6, wherein the tip module comprises a first tip assembly and a second tip assembly;

the first center assembly acts on the side, facing away from the stator set, of the rotor set along the first direction, and the second center assembly acts on the side, facing towards the stator set, of the rotor set along the first direction.

8. The motor mounting system of claim 7, wherein said first point assembly comprises a first housing, a third cylinder, and a first point;

the first box body is movably arranged on the machine body structure along a first direction, the first tip is fixed on the first box body, and the first tip is used for abutting against the rotor set;

the third cylinder is fixed to the machine body structure to drive the first box body to move on the machine body structure along a first direction.

9. The motor mounting system of claim 7, wherein said second point assembly comprises a second housing, a fourth cylinder, and a second point;

the second box body is movably arranged on the machine body structure along a first direction, the second tip is fixed on the second box body, and the second tip is used for applying force to the rotor set;

the fourth cylinder is fixed to the machine body structure to drive the second box body to move on the machine body structure along the first direction.

10. The motor mounting system of claim 6, wherein the mounting module includes a servo cylinder;

the servo cylinder is fixed on the machine body structure, and the power output end of the servo cylinder is in driving connection with the tip module.

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