CN216672739U

CN216672739U - Rotor structure of permanent magnet synchronous servo motor

Info

Publication number: CN216672739U
Application number: CN202122967025.7U
Authority: CN
Inventors: 罗杰元
Original assignee: Dongguan Yaoxingda Automation Equipment Co ltd
Current assignee: Dongguan Yaoxingda Automation Equipment Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-03
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of servo motor rotor structures, in particular to a permanent magnet synchronous servo motor rotor structure which comprises a protective shell, wherein a junction box is fixedly connected to the top of the protective shell, a mounting groove is formed in the middle of the protective shell, a stator core is fixedly connected to the inside of the mounting groove, a plurality of first plug holes are formed in one side of the protective shell, the first plug holes are uniformly and symmetrically distributed, a plurality of second plug holes are formed in the other side of the protective shell, and the second plug holes are uniformly and symmetrically distributed. The utility model has the advantages that: most permanent magnetism synchronous servo motor can't carry out effectual heat dissipation at the in-process of work, can lead to the condition that the motor can break down of working under the condition of high temperature by itself like this, and this novel permanent magnetism synchronous servo motor is provided with the fan in the inside of rotor magnetic core, and the fan will follow permanent magnetism synchronous servo motor and carry out work when permanent magnetism synchronous servo motor during operation.

Description

Rotor structure of permanent magnet synchronous servo motor

Technical Field

The utility model relates to the technical field of rotor structures of servo motors, in particular to a rotor structure of a permanent magnet synchronous servo motor.

Background

The permanent magnet synchronous motor has the remarkable characteristics of simple structure, small loss, high power factor, high efficiency, high power density and the like. With the increasing requirements of the international society on low-carbon economy, energy conservation and emission reduction, the permanent magnet synchronous motor system is more and more widely applied to various fields such as servo systems, electric automobiles, rail transit, heating ventilation, petroleum, wind power generation and the like by virtue of the performance advantages of the permanent magnet synchronous motor system, and the permanent magnet synchronous motor has various rotor structures and produces a great number of varieties with different characteristics and performances.

Most permanent magnet synchronous servo motor does not very well in the aspect of the heat dissipation, because the motor can produce a large amount of heats in the in-process inside of work, these heats can not discharge in the motor body and can cause the inside high temperature of motor, lead to the unable normal work of motor, most permanent magnet synchronous servo motor is very troublesome when dismantling and installing moreover, loaded down with trivial details dismantlement and a large amount of time that the installation occupy, above problem can be solved to this novel device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a rotor structure of a permanent magnet synchronous servo motor.

The purpose of the utility model is realized by the following technical scheme: the permanent magnet synchronous servo motor rotor structure comprises a protective shell, wherein a junction box is fixedly connected to the top of the protective shell, a mounting groove is formed in the middle of the protective shell, a stator core is fixedly connected to the inside of the mounting groove, a plurality of first inserting holes are formed in one side of the protective shell and are uniformly and symmetrically distributed, a plurality of second inserting holes are formed in the other side of the protective shell and are uniformly and symmetrically distributed, four first fixing pieces are fixedly connected to two sides of the protective shell and are uniformly and symmetrically distributed, a first fixing hole is formed in one side of each of the four first fixing pieces, a permanent magnet material is fixedly connected to the inside of the stator core, a rotor core is arranged inside the permanent magnet material, and a rotating shaft is fixedly connected to the inside of the rotor core, one side fixedly connected with fan of pivot, one side fixedly connected with front end visor of protective housing, the opposite side fixedly connected with rear end visor of protective housing.

Optionally, one side of the front end protective cover is fixedly connected with a plurality of first inserting columns, the first inserting columns are uniformly and symmetrically distributed, one side of the front end protective cover is provided with a first through hole, one side of the front end protective cover is provided with four second through holes, the four second through holes are circumferentially distributed, two second fixing parts are fixedly connected to two sides of the front end protective cover, the four second fixing parts are uniformly and symmetrically distributed, one side of each second fixing part is provided with a second fixing hole, and a circular filter screen is arranged inside each second through hole.

Optionally, one side of the rear end protective cover is fixedly connected with a plurality of second inserting columns, the second inserting columns are distributed uniformly and symmetrically, two third fixing pieces are fixedly connected to two sides of the rear end protective cover, the third fixing pieces are distributed uniformly and symmetrically, a third fixing hole is formed in one side of each third fixing piece, an air outlet groove is formed in one side of the rear end protective cover, and a dust screen is fixedly connected to the inside of the rear end protective cover.

Optionally, the shape and size of the first plugging hole are matched with those of the first plugging column, the interior of the first plugging hole is plugged at one side of the outer surface of the first plugging column, the shape and size of the second plugging hole are matched with those of the second plugging column, and the interior of the second plugging hole is plugged at one side of the outer surface of the second plugging column.

Optionally, the shape and size of the rotating shaft are matched with those of the first through hole, and one side of the outer surface of the rotating shaft is inserted into the first through hole.

Optionally, the shape and size of second through-hole and the shape and size looks adaptation of circular filter screen, one side fixed connection in the inside of second through-hole of circular filter screen surface.

Optionally, the four first fixing holes are grouped in pairs, wherein the shape and size of one group of the first fixing holes are matched with the shape and size of the second fixing holes, the first fixing piece and the second fixing piece are fixedly connected through bolts, the shape and size of the other group of the first fixing holes are matched with the shape and size of the third fixing holes, and the first fixing piece and the third fixing piece are fixedly connected through bolts.

Optionally, a support frame is fixedly connected to the inside of the protective housing, a rotating shaft positioning hole is formed in the middle of the support frame, the shape and size of the rotating shaft positioning hole are matched with those of the rotating shaft, and the outer surface of the rotating shaft is rotatably connected to the inside of the rotating shaft positioning hole.

The utility model has the following advantages:

1. most permanent magnet synchronous servo motor can't carry out effectual heat dissipation at the in-process of work, can lead to the condition that the motor can break down in the work of high temperature condition by itself like this, this novel permanent magnet synchronous servo motor is provided with the fan in the inside of rotor magnetic core, the fan will follow permanent magnet synchronous servo motor and work when permanent magnet synchronous servo motor during operation, the heat that permanent magnet synchronous servo motor produced can be blown off the motor by the fan in following the air-out groove internal, the second through-hole is for forming the convection current with the fan, make the heat can be faster blow off the inside of motor by the fan, circular filter screen and dust screen are for the inside work efficiency that the dust and impurity influence motor that gets into of preventing the motor, this novel permanent magnet synchronous servo motor is effectual to have solved the problem, it is very useful.

2. The very loaded down with trivial details of process of most permanent magnet synchronous servo motor installation and dismantlement, it is not simple and convenient enough, the cooperation through first mounting and second mounting is fixed and is installed all through first spliced pole and first spliced eye grafting cooperation in installation and dismantlement to this novel permanent magnet synchronous servo motor's front end visor, first spliced pole cooperates with first spliced eye and can let front end visor and protective housing become one, after having installed, can let more stability between the two, the installation of rear end visor is roughly the same with the installation and the dismantlement of front end visor, both installation and dismantlement are all the same because dismantle the same mode in with the installation, can let convenient and swift that work can be more, can not take place the error.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

FIG. 3 is a rear view of the protective case of the present invention;

fig. 4 is a schematic structural diagram of the front protective cover of the present invention.

In the figure: 1-protective shell, 101-junction box, 102-stator core, 103-first plug hole, 104-second plug hole, 105-first fixing piece, 106-first fixing hole, 107-permanent magnet material, 108-rotor core, 109-rotating shaft, 110-fan, 111-mounting groove, 2-front end protective cover, 201-first plug column, 202-first through hole, 203-second through hole, 204-second fixing piece, 205-second fixing hole, 206-circular filter screen, 3-rear end protective cover, 301-second plug column, 302-third fixing piece, 303-third fixing hole, 304-air outlet groove, 305-dustproof screen, 4-support frame and 401-rotating shaft positioning hole.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 4, the rotor structure of a permanent magnet synchronous servo motor provided by the present invention comprises a protective casing 1, a junction box 101 is fixedly connected to the top of the protective casing 1, a mounting groove 101 is formed in the middle of the protective casing 1, a stator core 102 is fixedly connected to the inside of the mounting groove 101, a plurality of first inserting holes 103 are formed in one side of the protective casing 1, the plurality of first inserting holes 103 are uniformly and symmetrically distributed, a plurality of second inserting holes 104 are formed in the other side of the protective casing 1, the plurality of second inserting holes 104 are uniformly and symmetrically distributed, four first fixing members 105 are fixedly connected to both sides of the protective casing 1, the four first fixing members 105 are uniformly and symmetrically distributed, a first fixing hole 106 is formed in one side of each of the four first fixing members 105, a permanent magnet material 107 is fixedly connected to the inside of the stator core 102, a rotor core 108 is arranged inside the permanent magnet material 107, and a rotating shaft 109 is fixedly connected to the inside of the rotor core 108, one side of the rotating shaft 109 is fixedly connected with a fan 110, most permanent magnet synchronous servo motors cannot effectively dissipate heat in the working process, and thus the motor can be in a failure condition when working at high temperature, the novel permanent magnet synchronous servo motor is provided with the fan 110 in the rotor magnetic core 108, when the permanent magnet synchronous servo motor works, the fan 110 can follow the permanent magnet synchronous servo motor to work, heat generated by the permanent magnet synchronous servo motor can be blown out of the motor body from the air outlet groove 304 by the fan 110, the second through hole 203 is used for forming convection with the fan 110, so that the heat can be blown out of the interior of the motor by the fan 110 more quickly, the circular filter screen 206 and the dustproof screen 305 are used for preventing the interior of the motor from entering dust and impurities to influence the working efficiency of the motor, the novel permanent magnet synchronous servo motor effectively solves the problem and is very good in use, one side of the protective shell 1 is fixedly connected with a front end protective cover 2, and the other side of the protective shell 1 is fixedly connected with a rear end protective cover 3.

As a preferred technical scheme of the utility model: one side of the front end protective cover 2 is fixedly connected with a plurality of first plug-in columns 201, the plurality of first plug-in columns 201 are uniformly and symmetrically distributed, one side of the front end protective cover 2 is provided with a first through hole 202, one side of the front end protective cover 2 is provided with four second through holes 203, the four second through holes 203 are circumferentially distributed, two sides of the front end protective cover 2 are fixedly connected with two second fixing pieces 204, the four second fixing pieces 204 are uniformly and symmetrically distributed, one side of each second fixing piece 204 is provided with a second fixing hole 205, a circular filter screen 206 is arranged inside each second through hole 203, most of the permanent magnet synchronous servo motors are very complicated and inconvenient in installation and disassembly processes, and the installation and disassembly of the front end protective cover 2 of the novel permanent magnet synchronous servo motor are fixed and installed through the first plug-in columns 201 and the first plug-in holes 104 in a plug-in matching manner through the first fixing pieces 105 and the second fixing pieces 205, first spliced pole 201 and first spliced eye 104 cooperate and can let front end visor 2 and protective housing 1 become an organic whole, after installing, can let more stable between the two, the installation of rear end visor 3 is roughly the same with the installation and the dismantlement of front end visor 2 with dismantling, both installation and dismantling are all the same because dismantle with the mode the same in the installation, can let convenient and swift that work meeting is more, can not take place the error.

As a preferred technical scheme of the utility model: a plurality of second plug columns 301 of one side fixedly connected with of rear end visor 3, a plurality of second plug columns 301 are even symmetric distribution, two third mounting 302 of the equal fixedly connected with in both sides of rear end visor 3, four third mounting 302 are even symmetric distribution, a third fixed orifices 303 has all been seted up to one side of four third mounting 302, air-out groove 304 has been seted up to one side of rear end visor 3, air-out groove 304 is the logical groove of rectangle, air-out groove 304 and dust screen 305 cooperation let the inside discharge of heat from the motor, the inside fixedly connected with dust screen 305 of rear end visor 3, just can wash dust screen 305 through dismantling third mounting 302 when the too much influence of dust screen 305 accumulation normal heat dissipation to the motor.

As a preferred technical scheme of the utility model: the shape and size of the first plugging hole 103 are matched with those of the first plugging column 201, the interior of the first plugging hole 103 is plugged at one side of the outer surface of the first plugging column 201, the shape and size of the second plugging hole 104 are matched with those of the second plugging column 301, and the interior of the second plugging hole 104 is plugged at one side of the outer surface of the second plugging column 301.

As a preferred technical scheme of the utility model: the shape and size of the rotation shaft 109 are matched with those of the first through hole 202, and one side of the outer surface of the rotation shaft 109 is inserted into the first through hole 202.

As a preferred technical scheme of the utility model: the shape and size of the second through holes 203 are matched with those of the circular filter screen 206, and one side of the outer surface of the circular filter screen 206 is fixedly connected to the inside of the second through holes 203.

As a preferred technical scheme of the utility model: the four first fixing holes 106 are grouped in pairs, wherein the shape and size of one group of the first fixing holes 106 are matched with the shape and size of the second fixing holes 205, the first fixing piece 105 and the second fixing piece 204 are fixedly connected through bolts, the shape and size of the other group of the first fixing holes 106 are matched with the shape and size of the third fixing holes 303, and the first fixing piece 105 and the third fixing piece 302 are fixedly connected through bolts.

As a preferred technical scheme of the utility model: the inside fixedly connected with support frame 4 of protective housing 1, pivot locating hole 401 has been seted up at the middle part of support frame 4, and pivot locating hole 401 shape and size and pivot 109's shape and size looks adaptation, the surface of pivot 109 rotates the inside of connecting in pivot locating hole 401.

In summary, the following steps: most permanent magnet synchronous servo motors can not effectively dissipate heat in the working process, so that the motor can work at high temperature and can break down, the novel permanent magnet synchronous servo motor is provided with the fan 110 in the rotor magnetic core 108, when the permanent magnet synchronous servo motor works, the fan 110 can work along with the permanent magnet synchronous servo motor, heat generated by the permanent magnet synchronous servo motor can be blown out of the motor body from the air outlet groove 304 by the fan 110, the second through hole 203 is used for forming convection with the fan 110, so that the heat can be blown out of the motor body by the fan 110 more quickly, the circular filter screen 206 and the dustproof screen 305 are used for preventing the interior of the motor from entering dust and impurities to influence the working efficiency of the motor, and the novel permanent magnet synchronous servo motor effectively solves the problem and is very good in use; the process of installation and dismantlement of the synchronous servo motor of majority permanent magnetism is very loaded down with trivial details, it is not simple and convenient enough, the cooperation through first mounting 105 and second mounting 205 is all fixed and is installed in the installation with dismantling to this novel synchronous servo motor's of permanent magnetism front end visor 2, first spliced pole 201 and first spliced eye 104 cooperate and can let front end visor 2 and protective housing 1 become one, after the installation, can let more stability between the two, the installation and the dismantlement of rear end visor 3 are roughly the same with the installation and the dismantlement of front end visor 2, both installation and dismantlement are all the same because the same mode in dismantlement and installation, can let work can more convenient and swift, can not take place the mistake.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Permanent magnetism synchronous servo motor rotor structure, its characterized in that: the protective shell comprises a protective shell (1), a junction box (101) is fixedly connected to the top of the protective shell (1), a mounting groove (111) is formed in the middle of the protective shell (1), a stator core (102) is fixedly connected to the inside of the mounting groove (111), a plurality of first inserting holes (103) are formed in one side of the protective shell (1), the first inserting holes (103) are uniformly and symmetrically distributed, a plurality of second inserting holes (104) are formed in the other side of the protective shell (1), the second inserting holes (104) are uniformly and symmetrically distributed, four first fixing pieces (105) are fixedly connected to two sides of the protective shell (1), the four first fixing pieces (105) are uniformly and symmetrically distributed, a first fixing hole (106) is formed in one side of each first fixing piece (105), and a permanent magnetic material (107) is fixedly connected to the inside of the stator core (102), the inside of permanent magnet material (107) is provided with rotor core (108), the inside fixedly connected with pivot (109) of rotor core (108), one side fixedly connected with fan (110) of pivot (109), one side fixedly connected with front end visor (2) of protective housing (1), opposite side fixedly connected with rear end visor (3) of protective housing (1).

2. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein: the novel filter is characterized in that a plurality of first plug-in columns (201) are fixedly connected to one side of the front end protective cover (2), the first plug-in columns (201) are uniformly and symmetrically distributed, first through holes (202) are formed in one side of the front end protective cover (2), four second through holes (203) are formed in one side of the front end protective cover (2), the second through holes (203) are circumferentially distributed, two second fixing pieces (204) are fixedly connected to two sides of the front end protective cover (2), the second fixing pieces (204) are uniformly and symmetrically distributed, four second fixing holes (205) are formed in one side of each second fixing piece (204), and a circular filter screen (206) is arranged inside each second through hole (203).

3. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein: one side fixedly connected with of rear end visor (3) is a plurality of second post (301) of pegging graft, and is a plurality of second peg graft post (301) is even symmetric distribution, two third mounting (302) of the equal fixedly connected with in both sides of rear end visor (3), four third mounting (302) are even symmetric distribution, four a third fixed orifices (303) have all been seted up to one side of third mounting (302), air outlet groove (304) have been seted up to one side of rear end visor (3), the inside fixedly connected with dust screen (305) of rear end visor (3).

4. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein: the shape and size of the first plugging hole (103) are matched with those of the first plugging column (201), the interior of the first plugging hole (103) is plugged at one side of the outer surface of the first plugging column (201), the shape and size of the second plugging hole (104) are matched with those of the second plugging column (301), and the interior of the second plugging hole (104) is plugged at one side of the outer surface of the second plugging column (301).

5. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein: the shape and the size of the rotating shaft (109) are matched with those of the first through hole (202), and one side of the outer surface of the rotating shaft (109) is inserted into the first through hole (202).

6. The rotor structure of a permanent magnet synchronous servo motor according to claim 2, wherein: the shape and the size of the second through hole (203) are matched with those of the circular filter screen (206), and one side of the outer surface of the circular filter screen (206) is fixedly connected to the inside of the second through hole (203).

7. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein: the four first fixing holes (106) are grouped in pairs, the shape and the size of one group of the first fixing holes (106) are matched with those of the second fixing holes (205), the first fixing piece (105) and the second fixing piece (204) are fixedly connected through bolts, the shape and the size of the other group of the first fixing holes (106) are matched with those of the third fixing holes (303), and the first fixing piece (105) is fixedly connected with the third fixing piece (302) through bolts.

8. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein: the inside fixedly connected with support frame (4) of protective housing (1), pivot locating hole (401) have been seted up at the middle part of support frame (4), pivot locating hole (401) shape and size and the shape and the size looks adaptation of pivot (109), the surface rotation of pivot (109) is connected in the inside of pivot locating hole (401).