CN214380582U - Three-phase synchronous permanent magnet motor for spinning - Google Patents
Three-phase synchronous permanent magnet motor for spinning Download PDFInfo
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- CN214380582U CN214380582U CN202022850538.5U CN202022850538U CN214380582U CN 214380582 U CN214380582 U CN 214380582U CN 202022850538 U CN202022850538 U CN 202022850538U CN 214380582 U CN214380582 U CN 214380582U
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- end cover
- rear end
- stator
- permanent magnet
- stator core
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Abstract
The utility model discloses a three-phase synchronous permanent magnet motor for spinning, which comprises a rotor, a stator, a front end cover and a rear end cover, wherein the stator is pressed with the rear end cover through a limiting block and a limiting groove structure; the front end housing lid is established on stator core's the other end, stator core has the part between front end housing and rear end cap and exposes, front end housing and rear end cap spiro union are fixed, compare with prior art, the utility model discloses utilize stopper and spacing groove structure fixed with rear end housing and stator pressfitting, when guaranteeing its axiality, be convenient for install rotor and front end housing to further guarantee the axiality of complete machine, improve the assembly efficiency of complete machine, utilize the exposed structure outside of stator core part, reinforcing heat dispersion promotes product quality.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of motor structure, especially a three-phase synchronous permanent-magnet machine is used in weaving.
[ background of the invention ]
In textile equipment, the power of a yarn guiding device is provided by a yarn guiding motor, and the yarn guiding motor in the prior art generally adopts a three-phase synchronous permanent magnet motor, and has the advantages of high speed regulation precision, large starting torque, small starting current, wide speed regulation range, small volume, light weight, high power factor and good energy-saving effect.
The main structure of the three-phase synchronous permanent magnet motor in the prior art comprises: the permanent magnet motor comprises a rotor, a stator, a front end cover and a rear end cover, wherein a permanent magnet is embedded in the rotor, and a three-phase coil is wound on the stator. The front end cover and the rear end cover are installed in two modes: the motor with the structure has the problems that the motor is poor in heat dissipation effect due to high rotating speed; two, the lid is established at the stator both ends, has the clearance between the two for stator core's part exposes outside, and through longer fix with screw together between front end housing and the rear end cap, though the heat dissipation problem has been solved to this kind of structure, the axiality is difficult to guarantee, when utilizing long screw to carry out the spiro union moreover, complete machine stability is relatively poor, influences assembly efficiency moreover.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide a three-phase synchronous permanent-magnet machine is used in weaving, improve motor heat dispersion to reinforcing overall stability, the assembly shaping of being convenient for simultaneously improves production efficiency.
In order to achieve the above object, the utility model provides a three-phase synchronous permanent magnet motor is used in weaving, include:
the rotor is provided with a rotating shaft in the center and is embedded with a permanent magnet;
the stator is formed by a stator core wound with a three-phase coil, and a cavity for accommodating the rotor is arranged in the center of the stator;
the front end cover and the rear end cover are both provided with bearings, the tail end of the rotating shaft is arranged in the bearing of the rear end cover, the front end of the rotating shaft extends out of the front end cover and is matched with the bearing of the front end cover,
the stator is pressed with the rear end cover through a limiting block and a limiting groove structure;
the stator core is arranged on the front end cover, the front end cover is arranged at the other end of the stator core, a part of the stator core is exposed between the front end cover and the rear end cover, and the front end cover and the rear end cover are fixed in a threaded connection mode.
Preferably, the front end cover and the rear end cover are provided with fixing lugs corresponding in position, the fixing lugs are provided with positioning columns capable of being sleeved together, and the positioning columns are provided with connecting holes for screws to penetrate through.
Preferably, the positioning column of the rear end cover is provided with an embedded groove, and the positioning column of the front end cover is placed in the embedded groove.
Preferably, the inner walls of the front end cover and the rear end cover are provided with limit steps distributed in an annular shape, and two end ends of the stator core in the stator are embedded in the limit steps.
Preferably, a plurality of bosses which are uniformly distributed at intervals and are protruded in opposite directions are arranged on the limiting steps of the front end cover and the rear end cover, grooves are arranged on the end faces of two ends of the stator core, and the grooves are matched with the bosses.
Preferably, the limiting blocks are arranged on the inner wall of the rear end cover and are evenly distributed at intervals, the limiting grooves are formed in the outer wall of the stator core, and the limiting blocks are in interference fit with the limiting grooves.
The utility model has the advantages that: compared with the prior art, the utility model discloses it is fixed with the rear end cap with the stator pressfitting to utilize stopper and spacing groove structure, when guaranteeing its axiality, is convenient for install rotor and front end housing to further guarantee the axiality of complete machine, improve the assembly efficiency of complete machine, utilize the exposed structure outside of stator core part, reinforcing heat dispersion promotes product quality.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic view of the connection between the rear end cap and the stator of the present invention;
FIG. 3 is a schematic structural view of the middle rear end cap of the present invention;
in the figure: 1-rotor, 2-rotating shaft, 3-permanent magnet, 4-stator, 5-three-phase coil, 6-stator iron core, 7-front end cover, 8-rear end cover, 9-bearing, 10-limiting block, 11-limiting groove, 12-fixing lug, 13-positioning column, 14-caulking groove, 15-limiting step, 16-boss and 17-groove.
[ detailed description ] embodiments
Referring to fig. 2 and 3, the present embodiment includes:
the rotor comprises a rotor 1, wherein a rotating shaft 2 is arranged in the center of the rotor 1, and a permanent magnet 3 is embedded in the rotor 1;
the stator 4 is formed by a stator iron core 6 wound with a three-phase coil 5, and a cavity for accommodating the rotor 1 is arranged in the center of the stator 4;
the front end cover 7 and the rear end cover 8 are both provided with bearings 9, the tail end of the rotating shaft 2 is arranged in the bearing 9 of the rear end cover 8, the front end extends out of the front end cover 7 and is matched with the bearing 9,
the stator 4 is pressed with the rear end cover 8 through a limiting block 10 and a limiting groove 11 structure, and by adopting the structure, when the whole machine is assembled, the stator 4 is firstly connected with the rear end cover 8, and the rear end cover 8 limits the stator 4, so that the rotor 1 and the front end cover 7 are more convenient to install;
the front end cover 7 covers the other end of the stator core 6, the stator core 6 is partially exposed between the front end cover 7 and the rear end cover 8, the front end cover 7 and the rear end cover 8 are fixed in a threaded mode, the heat dissipation effect is enhanced, and the product quality is improved.
Specifically, the front end cover 7 and the rear end cover 8 are provided with fixing lugs 12 corresponding in position, the fixing lugs 12 are provided with positioning columns 13 capable of being sleeved together, and the positioning columns 13 are provided with connecting holes for screws to penetrate through. The positioning columns 13 are used for positioning during assembly connection, so that the front end cover 7 and the rear end cover 8 can be conveniently and fixedly installed, and the connection strength of the front end cover 7 and the rear end cover 8 is enhanced.
Specifically, an embedded groove 14 is formed in a positioning column 13 of the rear end cover 8, the positioning column 13 of the front end cover 7 is placed in the embedded groove 14, and therefore the front end cover 7 and the rear end cover 8 can be conveniently fixed in position and can be conveniently assembled.
Specifically, the inner walls of the front end cover 7 and the rear end cover 8 are provided with limit steps 15 which are distributed annularly, and two end ends of the stator core 6 in the stator 4 are embedded in the limit steps 15. Three-phase coil 5 among the stator 4 is located front end housing 7 and rear end housing 8, and spacing step 15 protects three-phase coil 5, prevents that stator 4 and rear end housing 8 press fitting time from damaging.
Specifically, a plurality of bosses 16 which are uniformly distributed at intervals and are convex in opposite directions are arranged on the limiting steps 15 of the front end cover 7 and the rear end cover 8, grooves 17 are arranged on the end faces of two ends of the stator core 6, and the grooves 17 are matched with the bosses 16. The bonding firmness of the stator 4 and the front and rear end covers 8 is improved, and the stability of the whole machine is improved.
Specifically, stopper 10 sets up on the inner wall of rear end housing 8 and interval evenly distributed, spacing groove 11 is seted up on stator core 6's outer wall, stopper 10 and spacing groove 11 interference fit utilize this structure, with stator 4 and rear end housing 8 pressure equipment together.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (6)
1. A three-phase synchronous permanent magnet motor for spinning comprises:
the rotor comprises a rotor (1), wherein a rotating shaft (2) is arranged in the center of the rotor (1), and a permanent magnet (3) is embedded in the rotor (1);
a stator (4) formed by a stator core (6) wound with a three-phase coil (5) and having a cavity in the center for accommodating the rotor (1);
and front end housing (7) and rear end housing (8), all be equipped with bearing (9) on front end housing (7) and rear end housing (8), the end of pivot (2) is installed in bearing (9) of rear end housing (8), and the front end is followed stretch out and rather than bearing (9) cooperation in front end housing (7), its characterized in that:
the stator (4) is pressed with the rear end cover (8) through a limiting block (10) and a limiting groove (11) structure;
the stator core is characterized in that the front end cover (7) is covered on the other end of the stator core (6), a part of the stator core (6) is exposed between the front end cover (7) and the rear end cover (8), and the front end cover (7) and the rear end cover (8) are fixed in a threaded mode.
2. The textile three-phase synchronous permanent magnet motor according to claim 1, characterized in that: the front end cover (7) and the rear end cover (8) are provided with fixing lugs (12) corresponding in position, the fixing lugs (12) are provided with positioning columns (13) capable of being sleeved together, and the positioning columns (13) are provided with connecting holes for screws to penetrate through.
3. The textile three-phase synchronous permanent magnet motor according to claim 2, characterized in that: an embedded groove (14) is formed in the positioning column (13) of the rear end cover (8), and the positioning column (13) of the front end cover (7) is placed in the embedded groove (14).
4. A textile three-phase synchronous permanent magnet machine according to any of claims 1 to 3, characterized in that: the inner walls of the front end cover (7) and the rear end cover (8) are provided with limit steps (15) which are distributed in an annular mode, and two end ends of a stator core (6) in the stator (4) are embedded in the limit steps (15).
5. The textile three-phase synchronous permanent magnet motor according to claim 4, characterized in that: be equipped with a plurality of intervals evenly distributed and bellied boss (16) in opposite directions on spacing step (15) of front end housing (7) and rear end cap (8), be equipped with recess (17) on the terminal surface at stator core (6) both ends, recess (17) and boss (16) cooperation.
6. The textile three-phase synchronous permanent magnet motor according to claim 1, characterized in that: stopper (10) set up on the inner wall of rear end cover (8) and interval evenly distributed, spacing groove (11) are seted up on the outer wall of stator core (6), stopper (10) and spacing groove (11) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850538.5U CN214380582U (en) | 2020-12-01 | 2020-12-01 | Three-phase synchronous permanent magnet motor for spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022850538.5U CN214380582U (en) | 2020-12-01 | 2020-12-01 | Three-phase synchronous permanent magnet motor for spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380582U true CN214380582U (en) | 2021-10-08 |
Family
ID=77980313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022850538.5U Active CN214380582U (en) | 2020-12-01 | 2020-12-01 | Three-phase synchronous permanent magnet motor for spinning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380582U (en) |
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2020
- 2020-12-01 CN CN202022850538.5U patent/CN214380582U/en active Active
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