CN220653176U - Motor stator and rotor assembly equipment - Google Patents

Abstract

The utility model discloses a motor stator and rotor assembly device, which comprises: the device comprises a frame, a press-fit assembly, a compression assembly and a jacking device, wherein the jacking device comprises a jacking table assembly and a jacking rod assembly; a limiting structure is formed on the surface of the jacking table assembly and used for supporting and positioning the stator assembly axially; the jacking rod assembly comprises a jacking rod, and the jacking rod sequentially penetrates through the jacking table assembly and the stator assembly and then fixes one axial end of the rotor assembly; the press-fit assembly drives the press-fit moving plate to descend so as to press-fit the rotor assembly into the stator assembly positioned and fixed between the press-fit assembly and the jacking table assembly; the ejector rod is used for correcting coaxiality of the rotor assembly part and the stator assembly part, and accurate assembly of the stator and the rotor of the motor is achieved. Under the combined action of the compression assembly and the jacking device, the utility model effectively overcomes the magnetic interference between the stator and the rotor, ensures that the stator and the rotor are kept highly coaxial in assembly, avoids the occurrence of motion interference, and ensures the assembly precision and the assembly pressure.

Description

Motor stator and rotor assembly equipment

Technical Field

The utility model relates to the technical field of motor production, in particular to motor stator and rotor assembly equipment.

Background

The permanent magnet motor has the advantages of high efficiency, high power density, small volume and wide speed regulation range, and is widely applied to the new energy automobile market.

In the manufacture of permanent magnet motors, the stator and the rotor are the two main components of the motor, and the rotor needs to be assembled into the stator; however, because the rotors have strong magnetism, the stators are easy to be interfered by magnetic force in the assembly process, the positioning and assembly precision are affected, the assembly of the rotors and the stators is easy to be different, and the motor performance is affected; in addition, interference and impact are easy to occur in the assembling process of the rotor and the stator under the action of strong magnetism, so that damage is caused.

Therefore, there is a need to provide a new way to solve the above technical problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide motor stator and rotor assembly equipment, which can effectively overcome magnetic interference between stator and rotor under the combined action of a compression assembly and a jacking device, so that the stator assembly and the rotor assembly are coaxial in height, motion interference is avoided, smooth shaft entering during stator and rotor combined assembly is ensured, assembly precision and assembly pressure can be ensured, coaxiality is stable, and assembly quality is improved; the whole structure layout is compact, the automatic assembly of the stator and the rotor can be realized, the production assembly efficiency is optimized, and the qualification rate of the installed motor is ensured.

The technical scheme of the utility model is summarized as follows:

a motor stator and rotor assembly apparatus comprising:

a frame on which a placement area of the stator assembly is formed;

the press-fit assembly is arranged on the frame and positioned above the placement area, and comprises a press-fit moving plate for fixing the rotor assembly;

the at least three groups of compression assemblies are arranged on the upper surface of the frame, and the compression assemblies are uniformly distributed on the frame around the periphery of the placement area and used for clamping and fixing the periphery of the stator assembly;

the jacking device is installed with the frame and positioned below the placement area, and comprises a jacking table component and a jacking rod component; wherein,

a limiting structure is formed on the surface of the jacking table assembly and used for supporting and positioning the stator assembly axially;

the jacking rod assembly comprises a jacking rod, and the jacking rod sequentially penetrates through the jacking table assembly and the stator assembly and then fixes one axial end of the rotor assembly;

driving the press-fit moving plate to descend through the press-fit assembly to press-fit the rotor assembly into the stator assembly positioned and fixed between the press-fit assembly and the jacking table assembly; the ejector rod is used for correcting coaxiality of the rotor assembly part and the stator assembly part, and accurate assembly of the stator and the rotor of the motor is achieved.

Preferably, four groups of said hold-down assemblies are provided, which are evenly distributed around the central position of said placement area.

Preferably, the compressing assembly comprises a compressing base, a compressing guide piece, a compressing block and a compressing driving piece; wherein,

the compaction base is fixedly connected with the upper surface of the frame;

the compaction guide is positioned above the base;

the compaction block is arranged at the end part of the compaction guide piece;

the compressing driving piece is fixed on the compressing base, and the power output end of the compressing driving piece is connected with the compressing guide piece;

the compaction driving piece drives the compaction guide piece to move so as to drive the compaction block to be close to or far away from the placement area, so as to compact or release the compaction stator assembly.

Preferably, the jacking device further comprises a jacking base, wherein the jacking base comprises an upper fixing plate, a lower fixing plate and a first guide post; wherein,

the upper fixing plate is fixed with the frame and forms a mounting foundation of the jacking table component and the jacking rod component;

the upper end and the lower end of the first guide post are respectively connected with the upper fixing plate and the lower fixing plate to form a guide structure of the movement track of the ejector rod.

Preferably, the jacking rod assembly further comprises:

a first driving source mounted on the upper fixing plate;

the jacking bottom plate is connected with the power output end of the first driving source and is assembled with the first guide pillar; one end of the ejector rod is fixedly connected with the jacking bottom plate, and the other end of the ejector rod penetrates through the upper fixing plate;

the first driving source drives the jacking bottom plate to move in a reciprocating mode between the upper fixing plate and the lower fixing plate, and the first guide pillar limits the motion of the jacking bottom plate so as to guide the motion track of the ejector rod.

Preferably, a guide sleeve is arranged between the ejector rod and the upper fixing plate and used for limiting the movement direction of the ejector rod.

Preferably, the jacking table assembly includes:

the jacking table is used for forming an axial supporting and positioning structure of the stator assembly;

the second driving source is arranged with the upper fixing plate, and the power output end of the second driving source is fixed with the lower surface of the jacking table;

two ends of the second guide post are respectively connected with the upper fixing plate and the jacking table;

when the second driving source drives the jacking platform to move up and down, the jacking platform supports or is far away from the positioning assembly part, and the second guide pillar is used for guiding the movement direction of the jacking platform.

Preferably, the limiting structure comprises at least two limiting columns which are respectively arranged at two opposite corners of the upper surface of the jacking table.

Preferably, at least one backing plate is arranged between the jacking table and the bottom of the stator assembly.

Preferably, the jacking device further comprises at least two support assemblies, which are respectively arranged at two sides of the jacking table assembly, and the support assemblies comprise:

a third driving source mounted on the upper surface of the frame;

the supporting block is connected with the power output end of the third driving source;

the third driving source drives the supporting block to extend into the space between the jacking table and the upper fixing plate so as to support the jacking table.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides motor stator and rotor assembly equipment, wherein a stator assembly part is positioned and fixed through a compression assembly and a jacking table assembly, and coaxiality of the rotor assembly part and the stator assembly part is corrected through a jacking rod of a jacking rod assembly, so that in the assembly process, under the combined action of the compression assembly and a jacking device, magnetic interference between stator and rotor can be effectively overcome, the stator assembly part and the rotor assembly part are highly coaxial, motion interference is avoided, smooth shaft entering during stator and rotor assembly is ensured, assembly precision and assembly pressure can be ensured, coaxiality is stable, and assembly quality is improved; the whole structure layout is compact, the automatic assembly of the stator and the rotor can be realized, the production assembly efficiency is optimized, and the qualification rate of the installed motor is ensured.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a motor stator and rotor assembly device according to the present utility model;

FIG. 2 is a schematic view of a press-fit assembly according to the present utility model;

FIG. 3 is a schematic view illustrating the installation of the compression assembly and the frame of the present utility model;

FIG. 4 is a schematic view of the overall structure of the compression assembly of the present utility model;

FIG. 5 is a schematic view of an exploded view of the compression assembly of the present utility model;

FIG. 6 is a schematic view of the overall structure of the jacking device according to the present utility model;

FIG. 7 is a schematic diagram of an explosion structure of a jacking device according to the present utility model;

FIG. 8 is a schematic view of the jack in the initial state of the jack in the jack of the present utility model;

fig. 9 is a schematic view of the jack in the extended state.

In the figure: 1. assembling equipment;

10. a frame;

20. press-fitting the assembly; 21. pressing and installing the mounting plate; 22. pressing and installing a support column; 23. a driving source is pressed and assembled; 24. press-fitting the guide post; 25. press-fitting a moving plate;

30. a compression assembly; 31. compressing the base; 32. a pressing guide; 321. compressing the guide sleeve; 322. compressing the mandrel; 33. a compaction block; 34. compressing the driving piece;

40. a jacking device; 41. a jacking table assembly; 411. a jacking table; 4111. a limit column; 4112. a through hole; 4113. a backing plate; 412. a second driving source; 413. a second guide post; 42. a jacking rod assembly; 421. a push rod; 422. a first driving source; 423. lifting the bottom plate; 43. jacking the base; 431. an upper fixing plate; 4311. a guide sleeve; 432. a lower fixing plate; 433. a first guide post; 44. a support assembly; 441. a third driving source; 442. a support block;

2. a stator assembly;

3. a rotor assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other examples, which a person of ordinary skill in the art would obtain without undue burden based on the embodiments of the utility model, are within the scope of the utility model.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configuration shown in the drawings, and in particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension, are relative concepts, and thus may vary accordingly depending on the location and use of the terms, and therefore these or other orientations should not be interpreted as limiting terms.

Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

Examples

An embodiment of the present utility model provides a motor stator and rotor assembly apparatus 1, as shown in fig. 1 to 9, including:

a frame 10 on which a placement area of the stator assembly 2 is formed;

a press-fit assembly 20 mounted on the frame 10 above the placement area, and the press-fit assembly 20 includes a press-fit moving plate 25 for fixing the rotor assembly 3;

at least three groups of compression assemblies 30, which are installed on the upper surface of the frame 10, wherein the compression assemblies 30 are uniformly distributed on the frame 10 around the periphery of the placement area, and are used for clamping and fixing the periphery of the stator assembly 2;

a jacking device 40 installed with the frame 10 and located below the placement area, and the jacking device 40 includes a jacking table assembly 41 and a jacking rod assembly 42; wherein,

a limiting structure is formed on the surface of the jacking table assembly 41 and is used for supporting and positioning the stator assembly 2 in the axial direction;

the jacking rod assembly 42 comprises a jacking rod 421, and the jacking rod 421 sequentially penetrates through the jacking table assembly 41 and the stator assembly 2 to fix one axial end of the rotor assembly 3;

driving the press-fit moving plate 25 downward by the press-fit assembly 20 to press-fit the rotor assembly 3 into the stator assembly 2 positioned and fixed between the press-fit assembly 30 and the jacking assembly 41; the ejector rod 421 is used for correcting the coaxiality of the rotor assembly 3 and the stator assembly 2, and realizing the accurate assembly of the stator and the rotor of the motor.

Specifically, before the assembly device 1 controls the press-fit moving plate 25 to move downwards, the jacking table component 41 is controlled to axially support and jack the stator assembly 2, the stator assembly 2 is positioned through the upper limiting structure of the jacking table component, the compression component 30 is controlled to clamp and fix the periphery of the stator assembly 2, namely, the stator assembly 2 is respectively fixed in the circumference and the vertical direction, and then the jacking rod component 42 is controlled to drive the jacking rod 421 of the jacking rod component to move upwards until being fixed with one axial end of the rotor assembly 3, so that when the press-fit moving plate 25 moves downwards to load the rotor assembly 3 into the stator assembly 2, the jacking rod 421 can synchronously correct the coaxiality of the rotor assembly 3 and the stator assembly 2, so that the rotor assembly 3 is easier to center when being loaded, the assembly is quicker and more accurate, and the compression component 30 and the jacking table component 41 can provide enough supporting force, thereby effectively improving the assembly accuracy and stability.

In the utility model, the stator assembly part 2 is positioned and fixed through the compression assembly 30 and the jacking table assembly 41, and the coaxiality of the rotor assembly part 3 and the stator assembly part 2 is corrected through the ejector rod 421 of the jacking rod assembly 42, so that in the assembling process, under the combined action of the compression assembly 30 and the jacking device 40, the magnetic interference between the stator assembly part and the rotor assembly part can be effectively overcome, the stator assembly part 2 and the rotor assembly part 3 are highly coaxial, the occurrence of motion interference is avoided, the smooth shaft entering during the assembling of the stator assembly part and the rotor assembly part is ensured, the assembling precision and the assembling pressure can be ensured, the coaxiality is stable, and the assembling quality is improved; the whole structure layout is compact, the automatic assembly of the stator and the rotor can be realized, the production assembly efficiency is optimized, and the qualification rate of the installed motor is ensured.

The stator assembly 2 can be transported to the placement area by providing a conveyor belt, or the stator assembly 2 can be directly grasped by providing a robot arm and placed in the placement area.

In one embodiment, as shown in connection with fig. 1 and 2, the press-fit assembly 20 further includes a press-fit mounting plate 21, a press-fit support column 22, a press-fit driving source 23, and a press-fit guide column 24; wherein,

the press-fit mounting plate 21 is mounted with the frame 10 through at least four press-fit support columns 22;

the press-fit driving source 23 is mounted on the upper side of the press-fit mounting plate 21, and a power output end of the press-fit driving source 23 passes through the press-fit mounting plate 21 to be connected to a press-fit moving plate 25 positioned below the press-fit mounting plate 21;

the press-fit moving plate 25 is assembled with the press-fit mounting plate 21 through at least four press-fit guide posts 24;

when the press-fit driving source 23 drives the press-fit moving plate 25 to move up and down, the press-fit moving plate 25 drives the rotor assembly 3 to move under the guide of the press-fit guide post 24.

In one embodiment, as shown in connection with fig. 1, 3-5, four sets of said hold-down assemblies 30 are provided, which are evenly distributed around the center of said placement area, to create an even hold-down force on the stator assembly 2. It should be appreciated that the number of compression assemblies 30 may be set depending on the design, size, and actual operation of the stator assembly 2.

Further, the pressing assembly 30 includes a pressing base 31, a pressing guide 33, a pressing block 33, and a pressing driving member 34; wherein,

the pressing base 31 is fixedly connected with the upper surface of the frame 10;

the pressing guide 33 is located above the pressing base 31;

the compaction block 33 is mounted at the end part of the compaction guide 33;

the pressing driving piece 34 is fixed on the pressing base 31, and the power output end of the pressing driving piece 34 is connected with the pressing guide piece 33;

the pressing driving member 34 drives the pressing guide member 33 to move to drive the pressing block 33 to approach or separate from the placement area to press or release the stator assembly 2.

Further, the pressing guide 33 includes a pressing guide sleeve 321 and a pressing mandrel 322; wherein,

the compression guide sleeve 321 is installed with the compression base 31;

the pressing mandrel 322 is movably installed in the pressing guide sleeve 321, one end of the pressing mandrel 322 is connected with the power output end of the pressing driving member 34, and the other end is connected with the pressing block 33.

The arrangement in this embodiment can effectively ensure that a sufficient and stable pressing force is applied to the stator assembly 2 to interfere with the magnetic force during assembly.

As shown in fig. 1 and fig. 6-9, in an embodiment, the jacking device 40 further includes a jacking base 43, where the jacking base 43 includes an upper fixing plate 431, a lower fixing plate 432, and a first guide pillar 433; wherein,

the upper fixing plate 431 is fixed to the frame 10 and forms a mounting base of the jacking table assembly 41 and the jacking rod assembly 42;

the upper and lower ends of the first guide pillar 433 are respectively connected to the upper fixing plate 431 and the lower fixing plate 432, so as to form a guide structure of the movement track of the ejector rod 421.

The arrangement in this embodiment can provide a stable and reliable installation base for the jacking table assembly 41 and the jacking rod assembly 42, thereby ensuring stable operation of the jacking table assembly 41 and the jacking rod assembly 42.

In one embodiment, the lift pin assembly 42 further comprises:

a first driving source 422 mounted on the upper fixing plate 431;

a lifting bottom plate 423 connected to the power output end of the first driving source 422, and assembled with the first guide pillar 433; one end of the push rod 421 is fixedly connected with the jacking bottom plate 423, and the other end of the push rod is arranged in the upper fixing plate 431 in a penetrating manner;

as shown in fig. 8 and 9, the first driving source 422 drives the lifting bottom plate 423 to reciprocate between the upper fixing plate 431 and the lower fixing plate 432, and the first guide pillar 433 limits the movement of the lifting bottom plate 423 to guide the movement track of the ejector rod 421.

Further, at least four sets of the first guide posts 433 are provided; in this embodiment, four groups of first guide posts 433 are disposed, and the upper fixing plate 431 and the lower fixing plate 432 are rectangular, and the four groups of first guide posts 433 are uniformly disposed at four corners of the upper fixing plate 431 and the lower fixing plate 432, so as to better guide the vertical movement of the lifting bottom plate 423 and define the movement distance of the ejector rod 421 as the distance between the upper fixing plate 431 and the lower fixing plate 432.

Further, a guide sleeve 4311 is disposed between the ejector rod 421 and the upper fixing plate 431, so as to further limit the movement direction of the ejector rod 421, thereby ensuring the accuracy of the movement track of the ejector rod 421 and further ensuring the coaxiality of the stator assembly 2 and the rotor assembly 3.

In one embodiment, the jacking table assembly 41 comprises:

a jacking table 411 for forming an axial supporting and positioning structure of the stator assembly 2;

a second driving source 412 mounted to the upper fixing plate 431, and a power output end of the second driving source 412 is fixed to a lower surface of the jacking table 411;

a second guide post 413, both ends of which are respectively connected to the upper fixing plate 431 and the jacking table 411;

when the second driving source 412 drives the lifting platform 411 to move up and down, the lifting platform 411 supports or is far away from the positioning assembly, and the second guide post 413 is used for guiding the movement direction of the lifting platform 411.

Further, the shape of the jacking table 411 is adapted to the shape of the base of the stator assembly 2.

Further, the limiting structure includes at least two limiting posts 4111, which are disposed at two opposite corners of the upper surface of the jacking table 411. Specifically, the corresponding position of the stator assembly 2 is provided with a limiting hole, and when the jacking table 411 moves upwards to insert the limiting column 4111 into the limiting hole, the limiting column 4111 forms a circumferential positioning structure of the stator assembly 2, i.e. the stator assembly 2 can be effectively prevented from rotating or displacing.

Further, a through hole 4112 is formed in the center of the jacking table 411, which is adapted to the shape of the bottom structure of the stator assembly 2, and facilitates the expansion and contraction of the ejector 421.

Further, at least one pad 4113 is disposed between the jacking table 411 and the bottom of the stator assembly 2 to form a buffer structure between the jacking table 411 and the stator assembly 2.

In an embodiment, the jacking device 40 further includes at least two support assemblies 44, which are disposed on two sides of the jacking table assembly 41, and the support assemblies 44 include:

a third driving source 441 mounted on an upper surface of the frame 10;

a supporting block 443 connected to a power output end of the third driving source 441;

the third driving source 441 drives the supporting block 443 to extend between the jacking table 411 and the upper fixing plate 431, so as to support the jacking table 411, thereby ensuring a stable supporting force of the jacking table 411 on the stator assembly 2.

Further, the first driving source 422, the second driving source 412 and the third driving source 441 are all telescopic.

The motor stator and rotor assembly equipment 1 comprises the following working steps:

firstly, mounting the stator assembly 2 and the rotor assembly 3 to a given position, namely, mounting the stator assembly 2 to the placement area, and mounting the rotor assembly 3 to the press-fit moving plate 25; the second driving source 412 drives the jacking table 411 to move upwards under the guide of the second guide column 413 until the jacking table is abutted against the stator assembly 2, so that the jacking table is axially supported and jacked, meanwhile, the limit column 4111 on the jacking table 411 circumferentially positions the stator assembly 2, and in the synchronous lifting of the jacking table 411, the third driving source 441 drives the supporting block 443 to move towards the jacking table 411 and extend into the space between the jacking table 411 and the upper fixing plate 431 so as to support the jacking table 411; controlling the pressing driving member 34 to move so as to abut the pressing block 33 at the end of the pressing guide member 33 to the circumferential side surface of the stator assembly 2, so as to clamp and fix the stator assembly 2 circumferentially (it can be understood that the stator assembly 2 is fixed circumferentially and vertically, respectively); then the first driving source 422 drives the jacking bottom plate 423 to move upwards and drives the ejector rod 421 to move upwards until the end part of the ejector rod 421 is fixed with one axial end of the rotor assembly 3; further, the press-fitting driving source 23 drives the press-fitting moving plate 25 to move down under the guide of the press-fitting guide post 24 to fit the rotor assembly 3 into the stator assembly 2, thereby completing the assembly of the stator assembly 2 and the rotor assembly 3.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A motor stator and rotor assembly apparatus, comprising:

a frame on which a placement area of the stator assembly is formed;

the press-fit assembly is arranged on the frame and positioned above the placement area, and comprises a press-fit moving plate for fixing the rotor assembly;

the at least three groups of compression assemblies are arranged on the upper surface of the frame, and the compression assemblies are uniformly distributed on the frame around the periphery of the placement area and used for clamping and fixing the periphery of the stator assembly;

the jacking device is installed with the frame and positioned below the placement area, and comprises a jacking table component and a jacking rod component; wherein,

a limiting structure is formed on the surface of the jacking table assembly and used for supporting and positioning the stator assembly axially;

the jacking rod assembly comprises a jacking rod, and the jacking rod sequentially penetrates through the jacking table assembly and the stator assembly and then fixes one axial end of the rotor assembly;

driving the press-fit moving plate to descend through the press-fit assembly to press-fit the rotor assembly into the stator assembly positioned and fixed between the press-fit assembly and the jacking table assembly; the ejector rod is used for correcting coaxiality of the rotor assembly part and the stator assembly part, and accurate assembly of the stator and the rotor of the motor is achieved.

2. The motor stator and rotor assembly apparatus of claim 1 wherein: four groups of pressing assemblies are arranged and evenly distributed around the central position of the placement area.

3. The motor stator and rotor assembly apparatus of claim 2, wherein: the compressing assembly comprises a compressing base, a compressing guide piece, a compressing block and a compressing driving piece; wherein,

the compaction base is fixedly connected with the upper surface of the frame;

the compaction guide is positioned above the compaction base;

the compaction block is arranged at the end part of the compaction guide piece;

the compressing driving piece is fixed on the compressing base, and the power output end of the compressing driving piece is connected with the compressing guide piece;

the compaction driving piece drives the compaction guide piece to move so as to drive the compaction block to be close to or far away from the placement area, so as to compact or release the compaction stator assembly.

4. The motor stator and rotor assembly apparatus of claim 1 wherein: the jacking device further comprises a jacking base, wherein the jacking base comprises an upper fixing plate, a lower fixing plate and a first guide post; wherein,

the upper fixing plate is fixed with the frame and forms a mounting foundation of the jacking table component and the jacking rod component;

the upper end and the lower end of the first guide post are respectively connected with the upper fixing plate and the lower fixing plate to form a guide structure of the movement track of the ejector rod.

5. The motor stator assembly apparatus of claim 4 wherein the jacking rod assembly further comprises:

a first driving source mounted on the upper fixing plate;

the jacking bottom plate is connected with the power output end of the first driving source and is assembled with the first guide pillar; one end of the ejector rod is fixedly connected with the jacking bottom plate, and the other end of the ejector rod penetrates through the upper fixing plate;

the first driving source drives the jacking bottom plate to move in a reciprocating mode between the upper fixing plate and the lower fixing plate, and the first guide pillar limits the motion of the jacking bottom plate so as to guide the motion track of the ejector rod.

6. The motor stator and rotor assembly apparatus of claim 5 wherein: a guide sleeve is arranged between the ejector rod and the upper fixing plate and used for limiting the movement direction of the ejector rod.

7. The motor stator and rotor assembly apparatus of claim 4 wherein: the jacking table assembly includes:

the jacking table is used for forming an axial supporting and positioning structure of the stator assembly;

the second driving source is arranged with the upper fixing plate, and the power output end of the second driving source is fixed with the lower surface of the jacking table;

two ends of the second guide post are respectively connected with the upper fixing plate and the jacking table;

when the second driving source drives the jacking platform to move up and down, the jacking platform supports or is far away from the positioning assembly part, and the second guide pillar is used for guiding the movement direction of the jacking platform.

8. The motor stator and rotor assembly apparatus of claim 7 wherein: the limiting structure comprises at least two limiting columns which are respectively arranged at two opposite corners of the upper surface of the jacking table.

9. The motor stator and rotor assembly apparatus of claim 7 wherein: at least one backing plate is arranged between the jacking table and the bottom of the stator assembly.

10. The motor stator and rotor assembly apparatus of claim 7, wherein the jacking means further comprises at least two supporting members separately provided at both sides of the jacking table member, the supporting members comprising:

a third driving source mounted on the upper surface of the frame;

the supporting block is connected with the power output end of the third driving source;

the third driving source drives the supporting block to extend into the space between the jacking table and the upper fixing plate so as to support the jacking table.