CN114498980B

CN114498980B - Self-starting permanent magnet motor rotor structure and manufacturing method thereof

Info

Publication number: CN114498980B
Application number: CN202210030486.8A
Authority: CN
Inventors: 林阁
Original assignee: Leshan Sanyuan Motor Co ltd
Current assignee: Leshan Sanyuan Motor Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-12-02
Anticipated expiration: 2042-01-12
Also published as: CN114498980A

Abstract

The invention relates to a self-starting permanent magnet motor rotor structure and a manufacturing method thereof, wherein the self-starting permanent magnet motor rotor structure comprises a rotating shaft, wherein first limiting blocks and a winding mechanism are symmetrically arranged on the outer side of the rotating shaft; the winding mechanism is used for winding a winding, and can be detached independently, the elastic assembly is used for right the connection state of the rotating shaft and the winding mechanism is fixed and can the rotating shaft and the winding mechanism are separated, the winding mechanism and the rotating shaft can be separated according to the elastic assembly when the device is maintained or parts are replaced, and the winding mechanism can also be detached for parts, so that the device is convenient for technical personnel to maintain, the damaged parts at a certain position can be detached independently, the convenience of maintenance is improved, and the maintenance cost is reduced.

Description

Self-starting permanent magnet motor rotor structure and manufacturing method thereof

Technical Field

The invention relates to the technical field of motors, in particular to a self-starting permanent magnet motor rotor structure and a manufacturing method thereof.

Background

The motor rotor is also a rotating part in the motor, the motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a generator rotor.

When the iron core of the motor rotor is maintained or replaced, the whole body needs to be detached and replaced.

When the iron core is damaged, the iron core is usually damaged not as a whole, but in a certain direction, if the problem can be solved by replacing the whole, the material waste is also caused, and the whole assembly and disassembly are inconvenient.

Disclosure of Invention

The present invention is directed to a rotor structure of a self-starting permanent magnet motor and a method for manufacturing the same, so as to solve the problems of the background art.

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

a self-starting permanent magnet motor rotor structure, comprising:

the outer side of the rotating shaft is symmetrically provided with first limiting blocks;

the winding mechanism is arranged on the outer side of the rotating shaft and is limited by the first limiting block; the winding mechanism is used for winding a winding and can be independently disassembled;

and the elastic component is arranged in the rotating shaft, is used for fixing the connection state of the rotating shaft and the winding mechanism and can separate the rotating shaft and the winding mechanism.

As a further scheme of the invention: the winding mechanism comprises a fixed core which is sleeved outside the rotating shaft in a sliding manner, first limiting grooves are symmetrically formed in the inner side of the fixed core, and the first limiting blocks slide in the first limiting grooves;

the outer side of the fixed core is provided with an iron core which can be independently disassembled, the iron core is connected with the outer side of the fixed core through a disassembling component, the outer side of the fixed core is provided with at least four groups, and the two ends of the fixed core are also provided with self-locking components used for limiting the iron core.

As a still further scheme of the invention: elastic component is including seting up change epaxial movable groove, slidable mounting has the draw-in groove pole in the movable groove, the iron core with set up draw-in groove cooperation on the fixed core inner wall, just draw-in groove pole bottom still fixed mounting have with it fixed connection and fixed connection in the spring of activity tank bottom.

As a further scheme of the invention: the dismouting subassembly includes that the circumference is seted up four at least loading and unloading grooves in the fixed core outside, the iron core through loading and unloading piece sliding connection in the loading and unloading groove, it is a plurality of one side that the iron core is relative still is provided with the block subassembly.

As a still further scheme of the invention: the clamping assembly comprises a second limiting groove formed in one side of the iron core and a second limiting block fixedly installed on the other side of the iron core, and the second limiting block is clamped and placed on the inner side of the second limiting groove when the two adjacent iron cores are in contact.

As a still further scheme of the invention: the self-locking assembly comprises four groups of limiting plates which are symmetrically and rotatably arranged on the fixed core, a travel limiting block is fixedly arranged on one side of each limiting plate, and a torsion spring which is fixedly connected with the limiting plates and the fixed core is arranged on one side of each limiting plate away from the travel limiting block;

still include the interlock board, logical groove has been seted up on the interlock board, it slides in the setting to lead to the groove and is in protruding piece on the limiting plate is connected both.

As a still further scheme of the invention: the manufacturing method for realizing the self-starting permanent magnet motor rotor structure comprises the following steps:

taking a pipe body with the wall thickness of 1.5cm as a base body of a fixed core, symmetrically arranging first limiting grooves on the inner side of the pipe body, arranging four loading and unloading grooves on the circumference of the outer side of the pipe body, rotatably installing limiting plates on two sides of the first limiting grooves, respectively installing the torsion spring and the stroke limiting block on the limiting plate vehicle, rotatably installing a rotating shaft on the limiting plate, connecting the torsion spring and the stroke limiting block through a linkage plate, and finally arranging a clamping groove on the inner side of the fixed core;

secondly, taking a solid rod with the diameter smaller than the inner side of the pipe body, arranging a movable groove on the solid rod, fixing a single spring at the bottom of the movable groove by welding or other methods, fixedly installing a clamping groove rod on the spring, wherein the clamping groove rod is positioned right below the clamping groove, symmetrically and fixedly installing first limiting blocks on the outer side of the rotating shaft, and the width and the height of the first limiting blocks are smaller than those of the assembling and disassembling groove;

and step three, the iron core is manufactured separately and divided into a plurality of iron cores, the size and the thickness of the iron cores are consistent, a second limiting block is arranged on one side of each iron core, a second limiting groove is formed in the other side of each iron core, the second limiting block is smaller than the second limiting groove, and one end of each iron core is cut into a loading and unloading block which is in the same size as the loading and unloading groove in shape and is arranged in the loading and unloading groove.

And step four, sleeving the fixed core to the outer side of the rotating shaft, inserting the iron core into the outer side of the fixed core through a loading and unloading block arranged on the iron core, and limiting the two ends of the iron core through limiting plates.

Compared with the prior art, the invention has the beneficial effects that: maintain this device or with trading the part time according to elastic component can be with winding mechanism and pivot separation, and winding mechanism also can carry out the part and demolish equally to make things convenient for technical staff's maintenance, can damage the part to a certain position and demolish alone, not only improved the convenience of maintenance and reduced not cost of maintenance.

Drawings

Fig. 1 is a top view of a self-starting permanent magnet motor rotor structure.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic diagram of the three-dimensional structure of fig. 1.

Fig. 4 is a schematic structural diagram of a fixed core in a rotor structure of a self-starting permanent magnet motor.

FIG. 5 is a schematic structural diagram of an iron core in a rotor structure of a self-starting permanent magnet motor

Fig. 6 is a schematic structural diagram of a second limiting block and a second limiting groove in a rotor structure of a self-starting permanent magnet motor.

Fig. 7 is a schematic structural diagram of an elastic component in a rotor structure of a self-starting permanent magnet motor.

In the figure: 1-iron core, 2-fixed core, 3-first limit groove, 4-rotating shaft, 5-first limit block, 6-loading and unloading groove, 7-loading and unloading block, 8-second limit groove, 9-second limit block, 10-clamping groove, 11-clamping groove rod, 12-spring, 13-limit plate, 14-stroke limit block, 15-torsion spring and 16-linkage plate.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-7, in an embodiment of the present invention, a rotor structure of a self-starting permanent magnet motor includes:

the device comprises a rotating shaft 4, wherein first limiting blocks 5 are symmetrically arranged on the outer side of the rotating shaft 4;

the winding mechanism is arranged on the outer side of the rotating shaft 4 and limited by the first limiting block 5; the winding mechanism is used for winding a winding and can be independently disassembled;

and the elastic component is arranged in the rotating shaft 4 and is used for fixing the connection state of the rotating shaft 4 and the winding mechanism and separating the rotating shaft 4 and the winding mechanism.

In the embodiment of the invention, the winding mechanism and the rotating shaft 4 can be separated according to the elastic component when the device is maintained or parts are replaced, and the winding mechanism can also be used for dismounting the parts, so that the maintenance of technicians is facilitated, the damaged parts at a certain position can be independently dismounted, the convenience of maintenance is improved, and the maintenance cost is reduced.

The winding mechanism comprises a fixed core 2 which is sleeved outside the rotating shaft 4 in a sliding manner, first limiting grooves 3 are symmetrically formed in the inner side of the fixed core 2, and first limiting blocks 5 slide in the inner sides of the first limiting grooves 3;

the outside of fixed core 2 is provided with iron core 1 that can dismantle alone, iron core 1 connects through the dismouting subassembly the 2 outsides of fixed core, just the both ends of fixed core 2 still are provided with and are used for carrying out spacing auto-lock subassembly to iron core 1.

When the fixed core 2 moves, the first limiting block 5 is driven to move along by the first limiting groove 3, and when the first limiting block 5 moves, the rotating shaft 4 is driven to rotate along.

It includes sets up to state elastic component 4 epaxial movable groove, slidable mounting has draw-in groove pole 11 in the movable groove, iron core 1 with set up draw-in groove 10 cooperation on the 2 inner walls of fixed core, just 11 bottom of draw-in groove pole still fixed mounting have with it fixed connection and fixed connection in the spring 12 of activity tank bottom portion.

When the rotating shaft 4 needs to be detached from the fixed core 2, the clamping groove rod 11 is pressed, the clamping groove rod 11 retracts to the movable groove from the clamping groove 10 at the moment, the spring 12 is compressed when the clamping groove rod 11 moves, the rotating shaft 4 can be drawn out from the fixed core 2 at the moment, and the spring 12 pushes the clamping groove rod 11 to the initial position when the clamping groove rod 11 is not stressed.

The dismouting subassembly includes that the circumference is seted up four at least loading and unloading grooves 6 in the 2 outsides of fixed core, iron core 1 through loading and unloading piece 7 sliding connection in loading and unloading groove 6, it is a plurality of 1 relative one side of iron core still is provided with the block subassembly.

Press the auto-lock subassembly when needs carry out the dismouting to iron core 1, can follow the dress with iron core 1 and unload groove 6 and take out afterwards, because of iron core 1 be a plurality of independent settings with the maintenance with the iron core 1 that damages with the correspondence when trading with trade can to the solution needs to be changed wholly and causes for the problem of also needing to follow the trade of damage.

The clamping assembly comprises a second limiting groove 8 formed in one side of the iron core 1 and a second limiting block 9 fixedly installed on the other side of the iron core 1, and the second limiting block 9 is clamped and placed in the inner side of the second limiting groove 8 when the two adjacent iron cores 1 are in contact.

When two adjacent iron cores 1 contact, the second limiting block 9 is inserted into the second limiting groove 8, so that the stability is improved during the whole movement, and various influences caused by the stability are improved.

The self-locking assembly comprises four groups of limiting plates 13 which are symmetrically and rotatably arranged on the fixed core 2, a travel limiting block 14 is fixedly arranged on one side of each limiting plate 13, and a torsion spring 15 which is fixedly connected with the limiting plates 13 and fixedly connected with the fixed core 2 is arranged on one side of each limiting plate 13, which is far away from the travel limiting block 14;

the device further comprises a linkage plate 16, wherein a through groove is formed in the linkage plate 16, and the through groove slides in the protruding blocks arranged on the limiting plate 13 and connects the protruding blocks and the limiting plate.

In the embodiment of the invention, when the iron core 1 needs to be disassembled and assembled, the linkage plate 16 is pressed, the limit plate 13 is driven to rotate oppositely when the linkage plate 16 moves, the torsion spring 15 is compressed during the relative rotation, the iron core I can be disassembled and assembled when the limit plate 13 moves to be not contacted with the iron core 1, when the linkage plate 16 is not stressed, the torsion spring 15 pushes the limit plate 13 to rotate oppositely, and the limit is performed through the stroke limit block 14

The manufacturing method of the self-starting permanent magnet motor rotor structure comprises the following steps:

step one, a pipe body with the wall thickness of 1.5cm is taken as a base body of a fixed core 2, the first limiting groove 3 is symmetrically arranged on the inner side of the pipe body, the circumference of the outer side of the pipe body is provided with four assembling and disassembling grooves 6, the limiting plates 13 are rotatably arranged on two sides of the first limiting groove 3, the limiting plates 13 are respectively arranged on the torsion spring 15 and the stroke limiting block 14, the limiting plates 13 are further rotatably provided with a rotating shaft, the torsion spring 15 and the stroke limiting block 14 are connected through the linkage plate 16, and finally, the clamping groove 10 is arranged on the inner side of the fixed core 2.

And secondly, taking a solid rod with the diameter smaller than that of the inner side of the pipe body, forming a movable groove on the solid rod, fixing a single spring 12 at the bottom of the movable groove by welding or other methods, fixedly installing a clamping groove rod 11 on the spring 12, wherein the clamping groove rod 11 is positioned right below the clamping groove 10, symmetrically and fixedly installing first limiting blocks 5 on the outer side of the rotating shaft 4, and the width and the height of the first limiting blocks 5 are smaller than those of the assembling and disassembling grooves 6.

And step three, the iron core 1 is manufactured separately and divided into a plurality of iron cores 1, the size and the thickness of each iron core 1 are consistent, a second limiting block 9 is fixedly installed on one side of each iron core 1, the other side of each iron core is provided with a second limiting groove 8, the second limiting block 9 is smaller than the second limiting groove 8, and one end of each iron core 1 is cut into a loading and unloading block 7 which is in the same shape and size as the iron core 6 and is located in the loading and unloading groove 6.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A self-starting permanent magnet motor rotor structure, characterized in that, the self-starting permanent magnet motor rotor structure includes:

the outer side of the rotating shaft (4) is symmetrically provided with first limiting blocks (5);

the winding mechanism is arranged on the outer side of the rotating shaft (4) and limited by the first limiting block (5); the winding mechanism is used for winding a winding and can be independently disassembled; the winding mechanism comprises a fixed core (2) which is sleeved outside the rotating shaft (4) in a sliding mode, first limiting grooves (3) are symmetrically formed in the inner side of the fixed core (2), and the first limiting blocks (5) slide in the inner sides of the first limiting grooves (3);

the iron cores (1) which can be independently disassembled are arranged on the outer side of the fixed core (2), the iron cores (1) are connected with the outer side of the fixed core (2) through a disassembling component, at least four groups of the iron cores are arranged on the outer side of the fixed core (2), and self-locking components used for limiting the iron cores (1) are further arranged at two ends of the fixed core (2);

the elastic component is arranged in the rotating shaft (4), is used for fixing the connecting state of the rotating shaft (4) and the winding mechanism and can be separated from the rotating shaft (4) and the winding mechanism; the elastic component comprises a movable groove arranged on the rotating shaft (4), a clamping groove rod (11) is arranged in the movable groove in a sliding mode, the iron core (1) is matched with a clamping groove (10) arranged on the inner wall of the fixed core (2), and a spring (12) which is fixedly connected with the clamping groove rod and fixedly connected to the bottom of the movable groove is fixedly arranged at the bottom of the clamping groove rod (11);

the dismounting assembly comprises at least four dismounting grooves (6) which are circumferentially formed in the outer side of the fixed core (2), the iron cores (1) are connected into the dismounting grooves (6) in a sliding mode through dismounting blocks (7), and clamping assemblies are further arranged on one sides, opposite to the iron cores (1), of the iron cores;

the clamping assembly comprises a second limiting groove (8) formed in one side of the iron core (1) and a second limiting block (9) fixedly mounted on the other side of the iron core (1), and the second limiting block (9) is clamped inside the second limiting groove (8) when two adjacent iron cores (1) are contacted;

the self-locking assembly comprises four groups of limiting plates (13) which are symmetrically and rotatably arranged on the fixed core (2), a travel limiting block (14) is fixedly arranged on one side of each limiting plate (13), and a torsion spring (15) which is fixedly connected with the limiting plates (13) and the fixed core (2) is arranged on one side, far away from the travel limiting block (14), of each limiting plate (13);

still include interlock board (16), logical groove has been seted up on interlock board (16), logical groove slide in setting up protruding piece on limiting plate (13) and connect both.

2. A method for manufacturing a rotor structure of a self-starting permanent magnet motor, characterized in that the method for manufacturing the rotor structure of the self-starting permanent magnet motor according to claim 1 comprises the following steps:

taking a pipe body with the wall thickness of 1.5cm as a base body of a fixed core (2), symmetrically arranging first limiting grooves (3) on the inner side of the pipe body, arranging four assembling and disassembling grooves (6) on the periphery of the outer side of the pipe body, rotatably installing limiting plates (13) on two sides of the first limiting grooves (3), respectively installing torsion springs (15) and stroke limiting blocks (14) on the limiting plates (13), rotatably installing rotating shafts on the limiting plates (13), connecting the torsion springs and the stroke limiting blocks through a linkage plate (16), and finally arranging a clamping groove (10) on the inner side of the fixed core (2);

secondly, taking a solid rod with the diameter smaller than the inner side of the pipe body, arranging a movable groove on the solid rod, fixing a single spring (12) at the bottom of the movable groove by welding or other methods, fixedly installing a clamping groove rod (11) on the spring (12), wherein the clamping groove rod (11) is positioned right below the clamping groove (10), symmetrically and fixedly installing first limiting blocks (5) on the outer side of the rotating shaft (4), and the width and the height of the first limiting blocks (5) are smaller than those of the assembling and disassembling groove (6);

thirdly, the iron cores (1) are manufactured independently and are divided into a plurality of pieces, the sizes and the thicknesses of the iron cores (1) are consistent, a second limiting groove (8) is formed in one side of each iron core (1), a second limiting block (9) is fixedly installed on the other side of each iron core (1), the second limiting block (9) is smaller than the second limiting groove (8), one end of each iron core (1) is cut into a loading and unloading block (7) which is in the same shape and size as the loading and unloading groove (6) and is located in the loading and unloading groove (6);

step four, the fixed core (2) is sleeved to the outer side of the rotating shaft (4), the iron core (1) is inserted into the outer side of the fixed core (2) through a loading and unloading block arranged on the iron core (1), and the two ends of the iron core are limited through limiting plates (13).