CN215300300U

CN215300300U - Rotor sheet for motor stator and rotor

Info

Publication number: CN215300300U
Application number: CN202121272439.1U
Authority: CN
Inventors: 林淼; 郑伟增; 李志祥
Original assignee: Anhui Wanli Mechanical Parts Co ltd
Current assignee: Anhui Wanli Mechanical Parts Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-24
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a rotor piece for motor stator rotor, including seting up the connection shaft hole on the rotor punching, be equipped with a plurality of keyways on the rotor punching, and all be equipped with the spread groove between per two adjacent keyways, be equipped with a plurality of positioning groove on the lateral wall of rotor punching, be equipped with clamping mechanism on the rotor punching, the rotor punching comprises lower punching and upper punching, the thickness of lower punching is greater than the thickness of upper punching, and installs a plurality of coupling mechanism between lower punching and the upper punching. Has the advantages that: the utility model discloses can improve the connection effect between pivot and the rotor punching, reduce and lead to connecting the loose possibility of appearing because of the two friction to can keep the torque ripple of rotor punching unchangeable basically, ensure that the motor energy consumption is stable, and the production difficulty of this rotor punching is not high, the mass production of being convenient for is used.

Description

Rotor sheet for motor stator and rotor

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a rotor piece for motor stator and rotor.

Background

Motor rotor piece and electric motor rotor are even as an organic whole, be rotary part in the motor, a conversion equipment for realizing electric energy and mechanical energy and electric energy, adopt interference fit's mode to be connected between rotor piece and the pivot in the motor at present, this kind of connected mode is comparatively firm at initial period, nevertheless along with the time lapse, connection between the two is because mutual friction can be loose gradually, the rotor piece is easy to take place the shake when rotating this moment, thereby increase torque pulsation, lead to the motor energy consumption to increase, consequently need to design a motor and decide rotor piece for the rotor urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art, and providing a rotor sheet for a stator and a rotor of an electric motor.

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

the utility model provides a rotor piece for motor stator and rotor, is including seting up the connection shaft hole on the rotor punching, be equipped with a plurality of keyways on the rotor punching, and all be equipped with the spread groove between per two adjacent keyways, be equipped with a plurality of positioning groove on the lateral wall of rotor punching, be equipped with clamping mechanism on the rotor punching.

In the rotor sheet for the motor stator and the rotor, the rotor punching sheet comprises a lower punching sheet and an upper punching sheet, the thickness of the lower punching sheet is larger than that of the upper punching sheet, and a plurality of connecting mechanisms are arranged between the lower punching sheet and the upper punching sheet.

In the rotor sheet for the motor stator and the rotor, the connecting mechanism is composed of a groove, a fastening screw and a connecting screw hole, the groove is formed in the upper side wall of the upper punching sheet, the connecting screw hole is formed in the upper side wall of the lower punching sheet, and the fastening screw is in threaded connection between the connecting screw hole and the groove.

In foretell rotor piece for motor stator and rotor, clamping mechanism comprises ring channel, a plurality of clamp splice and a plurality of spring, the ring channel is seted up on the inner wall of lower punching, and is a plurality of the even sliding connection of clamp splice is on the ring channel, and is a plurality of the spring is installed respectively between ring channel and the clamp splice that corresponds.

In foretell rotor piece for motor stator rotor, the equal fixed mounting in both sides has the locating piece about the clamp splice, the lower lateral wall of ring channel and the lower lateral wall of going up towards the piece all are equipped with the constant head tank, and two constant head tanks cooperate with two locating pieces respectively.

In the above-mentioned rotor piece for motor stator rotor, all be equipped with a plurality of louvres on the lateral wall of going up towards piece and lower punching piece, and every louvre cooperatees with the keyway that corresponds respectively.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of the clamping mechanism, the connecting effect between the rotating shaft and the rotor sheet can be improved, the possibility of loose connection caused by friction between the rotating shaft and the rotor sheet is reduced, so that the torque pulsation of the rotor sheet can be basically kept unchanged, and the stable energy consumption of the motor is ensured.

2: through the cooperation of punching on, punching and coupling mechanism down, the design and the installation of the clamping mechanism of going on can be better on the rotor punching, can effectively reduce its whole production degree of difficulty, and the design of recess can be hidden fastening screw simultaneously, avoids its outstanding not good problem of rotor punching result in the result of use outward.

3: through the cooperation of locating piece and constant head tank, can ensure the connection effect between clamp splice and the ring channel, can inject the moving direction of clamp splice simultaneously, make its better paste mutually with the lateral wall of pivot, ensure the stability of being connected between rotor punching and the pivot.

4: through the design of the heat dissipation holes, the heat generated in the rotation process of the rotor punching sheet can be better dissipated, so that the service life of the rotor punching sheet can be prolonged to a certain extent.

To sum up, the utility model discloses can improve the connection effect between pivot and the rotor punching, reduce and lead to connecting loose probably to appear because of the two friction to can keep the torque ripple of rotor punching unchangeable basically, ensure that the motor energy consumption is stable, and the production difficulty of this rotor punching is not high, the mass production of being convenient for is used.

Drawings

Fig. 1 is a schematic structural view of a rotor sheet for a stator and a rotor of an electric machine according to the present invention;

FIG. 2 is a schematic structural diagram of the upper punch in FIG. 1;

FIG. 3 is a schematic structural diagram of the lower punch in FIG. 1;

fig. 4 is a longitudinal sectional view of fig. 1.

In the figure: 1 lower punching sheet, 2 upper punching sheets, 3 connecting shaft holes, 4 key grooves, 5 connecting grooves, 6 positioning grooves, 7 heat dissipation holes, 8 grooves, 9 fastening screws, 10 connecting screw holes, 11 annular grooves, 12 clamping blocks, 13 springs, 14 positioning blocks and 15 positioning grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a rotor piece for stator and rotor of motor, including offering the connection shaft hole 3 on the rotor punching, be equipped with a plurality of keyways 4 on the rotor punching, and all be equipped with spread groove 5 between per two adjacent keyways 4, be equipped with a plurality of positioning groove 6 on the lateral wall of rotor punching, through positioning groove 6's design, can prescribe a limit to the position relation between a plurality of rotor punching, also can reduce the material loss when rotor punching production simultaneously, reduction in production cost to a certain extent.

Referring to fig. 2-3, the rotor punching sheet is composed of a lower punching sheet 1 and an upper punching sheet 2, the thickness of the lower punching sheet 1 is larger than that of the upper punching sheet 2, a plurality of connecting mechanisms are arranged between the lower punching sheet 1 and the upper punching sheet 2, and the upper punching sheet 2 and the lower punching sheet 1 are matched, so that the processing of the rotor punching sheet and the installation of internal components thereof are facilitated, and the processing difficulty is reduced.

Coupling mechanism is by recess 8, fastening screw 9 and connection screw 10 are constituteed, recess 8 is seted up on last lateral wall towards piece 2, connection screw 10 is seted up on the last lateral wall towards piece 1 down, fastening screw 9 threaded connection is between connection screw 10 and recess 8, design through coupling mechanism, be convenient for better carry out down towards the dismouting operation between piece 1 and the last piece 2, recess 8's design simultaneously, can hide fastening screw 9, avoid its outstanding not good problem of rotor punching piece result of use outward.

Go up and all be equipped with a plurality of louvres 7 on the lateral wall towards piece 2 and down towards piece 1, and every louvre 7 cooperatees with keyway 4 that corresponds respectively, and through louvre 7's design, can make better the giving off of the heat that the rotor punching piece produced among the rotation process to can improve its life to a certain extent.

Referring to fig. 4, a clamping mechanism is arranged on the rotor punching sheet, the clamping mechanism is composed of an annular groove 11, a plurality of clamping blocks 12 and a plurality of springs 13, the annular groove 11 is formed on the inner wall of the lower punching sheet 1, the clamping blocks 12 are evenly and slidably connected to the annular groove 11, the springs 13 are respectively installed between the annular groove 11 and the corresponding clamping blocks 12, and through the elastic force action of the springs 13, the force close to the connecting shaft hole 3 can be applied to the clamping blocks 12, so that the cooperation of the clamping blocks 12 can be utilized, the connecting effect between the rotating shaft and the rotor punching sheet is improved, the problem that the two are gradually loosened due to mutual friction after the use for a period of time is avoided, the torque pulsation of the rotor punching sheet can be basically kept unchanged, and the energy consumption of the motor is ensured to be stable.

The equal fixed mounting in upper and lower both sides of clamp splice 12 has locating piece 14, the lower lateral wall of ring channel 11 and the lower lateral wall of last piece 2 all are equipped with constant head tank 15, and two constant head tanks 15 cooperate with two locating pieces 14 respectively, through the cooperation of locating piece 14 with constant head tank 15, can ensure the linkage effect between clamp splice 12 and the ring channel 11, can prescribe a limit to the moving direction of clamp splice 12 simultaneously, make its better with the lateral wall of pivot paste mutually, ensure the stability of being connected between rotor punching and the pivot.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rotor piece for motor stator and rotor, is including offering connection shaft hole (3) on the rotor punching, its characterized in that, be equipped with a plurality of keyways (4) on the rotor punching, and all be equipped with spread groove (5) between per two adjacent keyways (4), be equipped with a plurality of positioning groove (6) on the lateral wall of rotor punching, be equipped with clamping mechanism on the rotor punching.

2. The rotor sheet for the motor stator and the rotor is characterized in that the rotor sheet consists of a lower punching sheet (1) and an upper punching sheet (2), the thickness of the lower punching sheet (1) is larger than that of the upper punching sheet (2), and a plurality of connecting mechanisms are arranged between the lower punching sheet (1) and the upper punching sheet (2).

3. The rotor sheet for the motor stator and the rotor as claimed in claim 2, wherein the connecting mechanism comprises a groove (8), a fastening screw (9) and a connecting screw hole (10), the groove (8) is formed in the upper side wall of the upper punching sheet (2), the connecting screw hole (10) is formed in the upper side wall of the lower punching sheet (1), and the fastening screw (9) is in threaded connection between the connecting screw hole (10) and the groove (8).

4. The rotor sheet for the motor stator and the rotor is characterized in that the clamping mechanism consists of an annular groove (11), a plurality of clamping blocks (12) and a plurality of springs (13), the annular groove (11) is formed in the inner wall of the lower punching sheet (1), the clamping blocks (12) are evenly connected to the annular groove (11) in a sliding mode, and the springs (13) are respectively installed between the annular groove (11) and the corresponding clamping blocks (12).

5. The rotor sheet for the motor stator and the rotor as claimed in claim 4, wherein the upper side and the lower side of the clamping block (12) are both fixedly provided with a positioning block (14), the lower side wall of the annular groove (11) and the lower side wall of the upper punching sheet (2) are both provided with positioning grooves (15), and the two positioning grooves (15) are respectively matched with the two positioning blocks (14).

6. The rotor sheet for the motor stator and the rotor as claimed in claim 2, wherein the side walls of the upper punching sheet (2) and the lower punching sheet (1) are respectively provided with a plurality of heat dissipation holes (7), and each heat dissipation hole (7) is respectively matched with a corresponding key slot (4).