CN213341940U

CN213341940U - Stator and rotor assembling tool for single-air-gap type permanent magnet disc motor

Info

Publication number: CN213341940U
Application number: CN202022083374.8U
Authority: CN
Inventors: 徐鹏; 张国强; 陈栋; 李国瑶; 姚亮亮; 曹恩瑞
Original assignee: Hangzhou Zhonghao Electric Technology Co ltd
Current assignee: Hangzhou Zhonghao Electric Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-01
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a stator and rotor assembling tool of a single air gap type permanent magnet disc motor, which comprises a frame, wherein a workbench is arranged on the frame; the stator mounting piece is used for quickly fixing the stator and is fixed on the workbench; the rotor installed part, the rotor installed part includes and is tang complex guiding axle and the lift that is used for controlling the guiding axle and goes up and down with the rotor, is provided with the lift hole on the workstation, and the lift hole cover is established outside the guiding axle. The utility model provides a single air gap type permanent-magnet disk motor stator and rotor attaches together frock, simple to operate is swift, avoids the bearing damage, avoids the rotor installation crooked simultaneously.

Description

Stator and rotor assembling tool for single-air-gap type permanent magnet disc motor

Technical Field

The utility model relates to a motor stator and rotor installation apparatus especially relates to a single air gap type permanent magnetism disk motor stator and rotor attaches together frock.

Background

At preparation single air gap type permanent magnetism disk motor, need be with stator and rotor assembly, the tradition leans on manual assembly, because the powerful magnetic attraction in the electric motor rotor magnetic field of single stator-rotor structure can make the rotor get into the stator the inside suddenly when the assembly for the bearing receives very big impact force, causes the damage of bearing easily. Secondly, the stator and the rotor which are mutually attracted in the assembling process of the permanent magnet motor are also an important problem, when the rotor is inclined in the assembling process, the stator and the rotor are directly attracted together by the mutual attraction, and the stator and the rotor are not easy to be combined.

For example, the document "a stator and rotor assembling device for an electric motor" disclosed in the chinese patent document, the publication No. CN 107294315B includes a bracket, a taper tool and an adjusting device, the bracket includes a frame body and a mounting plate fixed on the frame body, the taper tool includes a guide post and a first taper block and a second taper block engaged with each other via a taper surface, the adjusting device includes an adjusting block and a threaded rod, wherein, the stator of the motor is fixed on the mounting plate, the first taper block is used for being fixed on the end surface of the rotating shaft at one end of the rotor of the motor, the second taper block is fixed on the guide post, the mounting plate is provided with a through hole aligned with the mounting position of the rotor inside the stator, the guide post passes through the through hole, the adjusting device is arranged on the frame body and is positioned below the mounting plate, the inclination of the guide post is adjusted, the adjusting block is in threaded connection with the threaded rod, the adjusting block is in contact with the side wall of the guide post, and the threaded rod is in threaded connection with the frame body. However, in this technical solution, the rotor will be subjected to a magnetic pulling force on one side when being installed, which causes the rotor to be installed askew, and is not easy to assemble.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the above-mentioned prior art stator and rotor inter attraction cause the damage of bearing, the crooked scheduling problem appears in the rotor assembling process, provide a single air gap type permanent-magnet disk motor stator and rotor attach together frock, simple to operate is swift, avoids the bearing damage, avoids the rotor installation crooked simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a stator and rotor assembling tool of a single-air-gap permanent magnet disc type motor comprises a rack, wherein a workbench is arranged on the rack; the stator mounting piece is used for quickly fixing the stator and is fixed on the workbench; the rotor installed part, the rotor installed part includes and is tang complex guiding axle and the lift that is used for controlling the guiding axle and goes up and down with the rotor, is provided with the lift hole on the workstation, and the lift hole cover is established outside the guiding axle. In the technical scheme, a frame is used for supporting the whole assembling tool, a workbench is used for placing a stator and a rotor and supporting the stator and rotor assembling tool, the stator mounting piece is used for mounting the stator, the guide shaft is used for mounting the rotor, the lifting hole is arranged for limiting the guide shaft, when in installation, the stator is quickly installed on the workbench through the stator installation part, the rotor is placed on the guide shaft, because be the tang cooperation between rotor and the guiding axle, this just makes and sets up perpendicularly between guiding axle and the rotor and guarantees that the rotor steadily places on the guiding axle, the crooked phenomenon can not appear, be favorable to assembling, drive the guiding axle through the lift slowly and descend at last, the suction between stator and the rotor has been offset in the setting of lift and guiding axle, the rotor follows the lift and slowly descends, the rotor assembles in the stator, simple to operate is swift, it produces the impact force and makes the bearing impaired still to have avoided the rotor to descend fast.

Preferably, the stator mounting member includes a stator positioning member and a stator fixing member. The stator positioning piece is used for positioning the stator, so that the installation position of the stator can be conveniently and rapidly determined, and the working efficiency is improved; the stator mounting is used for fixing the stator, and the stator is prevented from being displaced in the installation process to cause inconvenience in installation.

Preferably, the stator positioning part is arranged in a circular ring structure, a positioning spigot matched with the stator is arranged on the stator positioning part, the stator positioning part is detachably fixed on the workbench, and the stator positioning part and the lifting hole are coaxially arranged. The positioning spigot is matched with the stator, so that the stator can be positioned conveniently, the stator mounting position can be determined quickly, and the mounting efficiency is improved; the position of the lifting hole is matched with the installation position of the guide shaft, the guide shaft is used for installing the rotor, and the stator positioning piece and the lifting hole are coaxially arranged to be beneficial to avoiding the rotor from being inclined during assembly.

Preferably, the stator positioning piece is provided with a plurality of mounting holes, and the stator positioning piece is fixed on the workbench through bolts. The bolt connection mode has guaranteed that the stator setting element installation is firm, still is favorable to the stator setting element to dismantle to the installation demand of the motor stator rotor of not unidimensional is satisfied to the different motors of stator setting element adaptation of changing different location tang sizes.

Preferably, the stator fixing member is provided as a screw. The stator passes through the screw mounting on the stator setting element, and the firm and difficult emergence in stator position of screw mounting mode removes.

Preferably, the stator fixing member is provided as a fixing clip fixed on the table. The installation fixed mode of fixation clamp is firm and quick, and when using, the fixation clamp directly compresses tightly the stator can be fixed with the stator, and convenient operation is swift, is favorable to raising the efficiency.

Preferably, the guide shaft comprises an upper shaft and a lower shaft which are coaxially arranged, the diameter of the upper shaft is smaller than that of the lower shaft, and a mounting step surface formed by the difference of the diameters of the upper shaft and the lower shaft is arranged on the guide shaft. The installation step face is in contact with the rotor, the installation step face is arranged to be beneficial to ensuring that the rotor is kept stable in the descending process, the rotor is prevented from being inclined in the assembling process, in the rotor assembling process, the installation step face has an upward reaction force to the rotor, the suction force between the rotor and the stator is offset, the rotor and the stator are prevented from being attracted to each other, the rotor is ensured to slowly descend along with the elevator, and then the rotor is prevented from rapidly descending under the action of the suction force to generate the impact force to enable the bearing to be damaged.

Preferably, a lifting platform is arranged at the bottom of the workbench, the lifter is installed on the lifting platform and comprises a lifting rod, a hand wheel used for providing power for lifting movement of the lifting rod and a lifting assembly used for connecting the lifting rod and the hand wheel, and the guide shaft is fixedly connected with the lifting rod. When using, come the elevating movement of control lifter through rotating the hand wheel, and guiding axle and lifter fixed connection, this just makes the guiding axle reciprocate along with the lifter, and then is convenient for drive rotor descends and assembles, and the lifter sets up with stator installed part concentric shaft, has effectively avoided the rotor to take place crooked, can come control rotor along with the falling speed of guiding axle according to hand wheel slew velocity in addition, and then avoids the rotor to descend fast and produce the impact force and make the bearing impaired.

Therefore, the utility model discloses following beneficial effect has:

(1) the installation is convenient and quick, the damage of the bearing is avoided, and the installation deflection of the rotor is avoided;

(2) the stator positioning piece is arranged to facilitate the rapid determination of the stator mounting position, and the working efficiency is improved;

(3) the arrangement of the positioning step surface on the guide shaft is beneficial to generating upward reaction force on the rotor to offset the suction force between the rotor and the stator, and the rotor is prevented from rapidly falling under the action of the suction force to generate impact force to damage the bearing.

Drawings

Fig. 1 is a schematic structural diagram of a stator and rotor assembling tool for a single air gap type permanent magnet disc motor of the present invention;

FIG. 2 is a schematic structural diagram of a stator and a rotor of a single-air-gap permanent magnet disc type motor during assembling and assembling tooling when the rotor is installed;

FIG. 3 is a schematic structural diagram of a stator and rotor assembling tool of a single-air-gap permanent magnet disc type motor after the complete machine is assembled;

FIG. 4 is a side view of a stator and rotor assembling tool of a single air gap type permanent magnet disc motor;

FIG. 5 is a front view of a stator and rotor assembling tool of a single air gap type permanent magnet disc motor;

in the figure: 1. the lifting device comprises a frame 2, a workbench 201, a lifting hole 3, a fixing clamp 4, a stator positioning piece 401, a mounting hole 402, an outer ring 403, an inner ring 404, a positioning spigot 5, a guide shaft 501, an upper shaft 502, a lower shaft 503, a mounting step surface 504, a mounting notch 6, a lifter 601, a hand wheel 602, a lifting rod 603, a lifting assembly 7, a lifting platform 8, a rotor 9 and a stator.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 1, 2 and 3, in embodiment 1, a stator and rotor assembly tool for a single air gap type permanent magnet disc motor comprises a frame 1, a stator mounting member for mounting a stator 9, and a rotor mounting member for mounting a rotor 8, wherein a worktable 2 is arranged on the frame 1, the stator mounting member comprises a stator positioning member 4 and a stator fixing member, the stator positioning member 4 is fixed on the worktable 2, the stator positioning member 4 comprises an outer ring 402 and an inner ring 403, the height of the outer ring 402 is greater than that of the inner ring 403, a positioning spigot 404 formed by the height difference between the outer ring and the inner ring is arranged on the stator positioning member, the positioning spigot 404 is matched with the stator for facilitating the positioning of the stator, the rotor mounting member comprises a guide shaft 5 for fixing the rotor 8 and a lifter 6 for controlling the guide shaft 5 to ascend and descend, the guide shaft 5 is fixed on the lifter 6, the guide shaft 5 is matched with the rotor in a spigot, in addition, the workbench 2 is provided with a lifting hole 201, the lifting hole 201 is sleeved on the guide shaft 5, namely, the guide shaft 5 performs lifting motion in the lifting hole 201, so that the guide shaft 5 is limited, and the guide shaft 5 is prevented from inclining in the lifting process to cause the rotor assembly to be inclined.

In the technical scheme, when the stator and the rotor are installed, firstly, the stator 9 is placed on the stator positioning piece 4, then the stator is quickly fixed through the stator fixing piece, then the rotor is placed on the guide shaft 5, because be the tang cooperation between rotor and the guiding axle 5, this just makes perpendicular setting between guiding axle 5 and the rotor and guarantees that the rotor steadily places on guiding axle 5, crooked phenomenon can not appear, be favorable to assembling, drive guiding axle 5 through lift 6 slowly and descend at last, the tang cooperation between guiding axle 5 and the rotor makes guiding axle 5 provide ascending reaction force for the rotor, the suction between stator and the rotor has been offset, lift 6 makes the rotor slowly descend until assembling in the stator, utilize the casing gland to accomplish the installation after the stator and rotor installation, and convenient for installation is swift, it produces the impact force and makes the bearing impaired still to have avoided the rotor to descend fast.

Furthermore, the stator positioning piece 4 is arranged to be of a circular ring structure matched with the stator, a plurality of mounting holes 401 are formed in the stator positioning piece 4, the mounting holes 401 are formed in the outer ring 402, the stator positioning piece 4 is fixedly connected to the workbench 2 through bolts, the mounting is firm and stable, the stator positioning piece cannot deviate in the stator mounting process, the stator positioning piece can be detached conveniently in the bolt mounting mode, the stator positioning pieces with different positioning spigot sizes can be replaced to adapt to different motors, and the mounting requirements of the motor stators and rotors with different sizes can be met; in addition, stator positioning piece 4 and lift hole 201 coaxial setting, lift hole 201 position and the cooperation of 5 mounted positions of guiding axle, this just makes stator positioning piece and the coaxial setting of guiding axle, and guiding axle 5 is used for installing the rotor, and coaxial setting is favorable to avoiding the rotor assembly to appear crooked.

Further, the guide shaft 5 comprises an upper shaft 501 and a lower shaft 502 which are coaxially arranged, the diameter of the upper shaft 501 is smaller than that of the lower shaft 502, an installation step surface 503 formed by the diameter size difference of the upper shaft 501 and the lower shaft 502 is arranged on the guide shaft 5, the installation step surface 503 is arranged in contact with the rotor, the installation step surface 503 is arranged to be beneficial to ensuring that the rotor is kept stable in the descending process, the rotor is prevented from being inclined in the assembling process, in the rotor assembling process, the upward reaction force of the installation step surface 503 on the rotor is counteracted, the suction force between the rotor and the stator is eliminated, the rotor and the stator are prevented from being attracted with each other, the rotor is ensured to slowly descend along with the lifter 6, and further the rotor is prevented from rapidly descending under the suction force to cause the damage.

In addition, be provided with elevating platform 7 that is used for installing lift 6 at workstation 2 bottom, and lift 6 includes lifter 602, hand wheel 601 and lifting unit 603, when using, control the elevating movement of lifter 602 through rotating hand wheel 601, and guiding axle 5 and lifter 602 threaded connection fixed connection, this just makes guiding axle 5 reciprocate along with lifter 602, and then be convenient for drive rotor descends and assemble, can control the descending speed of rotor along with guiding axle 5 according to hand wheel 601 slew velocity in addition, and then avoid the rotor to descend fast and produce the impact force and make the bearing impaired, also guarantee that the rotor keeps steadily at the decline in-process, avoid rotor assembly skew. In addition, the guide shaft 5 is provided with an attachment notch 504, which facilitates the fixing of the guide shaft 5 to the lifter 602 by screwing with a wrench.

Example 2:

as shown in fig. 3, the embodiment 2 is basically the same as the embodiment 1, except that: the stator mounting sets up to the screw, and the stator passes through the mounting screw on stator setting element 4, and the mounting screw mode makes fixed convenient firm and the difficult emergence of stator position of stator remove.

Example 3:

the embodiment 3 is basically the same as the embodiment 1, except that: the stator mounting sets up to fixation clamp 3, and fixation clamp 3 is fixed on workstation 2. The installation fixed mode of fixation clamp 3 is firm and quick, and when using, fixation clamp 3 directly compresses tightly the stator can be fixed with the stator, and convenient operation is swift, is favorable to raising the efficiency. In addition, in order to improve the fixing firmness of the fixing clamp 3 to the stator, 4 fixing clamps 3 are arranged.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A stator and rotor assembling tool for a single-air-gap permanent magnet disc type motor is characterized by comprising,

the device comprises a rack (1), wherein a workbench (2) is arranged on the rack (1);

a stator mounting for fast fixing a stator (9), the stator mounting being fixed on the table (2);

rotor installed part, rotor installed part includes and is tang complex guiding axle (5) and is used for controlling lift (6) that guiding axle (5) go up and down with rotor (8), is provided with lift hole (201) on workstation (2), and lift hole (201) cover is established outside guiding axle (5).

2. A stator and rotor assembling tool for a single air gap type permanent magnet disc motor according to claim 1, wherein the stator mounting member comprises a stator positioning member (4) and a stator fixing member.

3. The stator and rotor assembling tool for the single-air-gap type permanent magnet disc motor according to claim 2, wherein the stator positioning piece (4) is arranged in a circular ring structure, a positioning spigot matched with the stator is arranged on the stator positioning piece, the stator positioning piece is detachably fixed on the workbench, and the stator positioning piece (4) and the lifting hole (201) are coaxially arranged.

4. The stator and rotor assembling tool for the single-air-gap type permanent magnet disc motor as claimed in claim 2, wherein a plurality of mounting holes (401) are formed in the stator positioning member (4), and the stator positioning member (4) is fixed on the worktable (2) through bolts.

5. The tool for assembling the stator and the rotor of the single-air-gap type permanent magnet disc motor according to claim 2, wherein the stator fixing piece is a screw.

6. A stator and rotor assembling tool for a single air gap type permanent magnet disc motor according to claim 2, wherein the stator fixing member is provided as a fixing clamp (3), and the fixing clamp (3) is fixed on the workbench (2).

7. A stator and rotor assembling tool for a single air gap type permanent magnet disc motor according to any one of claims 1-6, characterized in that the guide shaft (5) comprises an upper shaft (501) and a lower shaft (502) which are coaxially arranged, the diameter of the upper shaft (501) is smaller than that of the lower shaft (502), and a mounting step surface (503) formed by the difference of the diameters of the upper shaft (501) and the lower shaft (502) is arranged on the guide shaft (5).

8. The stator and rotor assembling tool for the single-air-gap type permanent magnet disc motor as claimed in any one of claims 1 to 6, wherein a lifting table (7) is arranged at the bottom of the working table, the lifter (6) is mounted on the lifting table (7), the lifter (6) comprises a lifting rod (602), a hand wheel (601) used for providing power for the lifting movement of the lifting rod (602), and a lifting assembly (603) used for connecting the lifting rod (602) and the hand wheel (601), and the guide shaft (5) is fixedly connected with the lifting rod (602).