CN216794750U

CN216794750U - Novel servo motor

Info

Publication number: CN216794750U
Application number: CN202220316726.6U
Authority: CN
Inventors: 周建华
Original assignee: HANGZHOU MOEN MOTOR CO Ltd
Current assignee: HANGZHOU MOEN MOTOR CO Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-21
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a novel servo motor which comprises a machine shell, a protective cover, a rotating shaft, a stator and a rotor, wherein the machine shell is connected with the protective cover by screws, the rotor and the rotating shaft are of an integral structure, the stator is arranged on the outer side of the rotor, the rotating shaft is provided with a first bearing and a second bearing, the first bearing is fixed in the machine shell, the second bearing is fixed in the protective cover, the rotating shaft is provided with a magnetic head, and the inner side of the protective cover is provided with an encoder; the utility model has the advantages of convenient use, novel structure, good stability, good integrity and good waterproofness.

Description

Novel servo motor

Technical Field

The utility model relates to a novel servo motor.

Background

A servo motor is an engine that controls the operation of mechanical elements in a servo system, and is an auxiliary motor indirect transmission.

The servo motor can control the speed, the position precision is very accurate, and a voltage signal can be converted into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque.

The servo motors are used more, and relate to various fields, although the working principle of the servo motors is basically the same, the specific structures of the servo motors are greatly different, and the servo motors produced or designed by different manufacturers have different structural characteristics.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel servo motor which is convenient to use, novel in structure, good in stability, integrity and waterproofness and has practicability and wide application.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a novel servo motor, includes casing, guard shield, pivot, stator and rotor, and the casing adopts screw connection with the guard shield, rotor and pivot structure as an organic whole, and the stator setting is in the outside of rotor, be equipped with bearing one and bearing two in the pivot, bearing one is fixed in the inside of casing, and bearing two is fixed in the inside of guard shield, install the magnetic head in the pivot, the encoder is installed to the inboard of guard shield.

Preferably, a cover plate is arranged on one side of the protective cover, and a first sealing ring is arranged between the protective cover and the cover plate.

This setting, the effectual inside that has prevented materials such as water from getting into the motor between apron and the guard shield through the effect of sealing washer one prevents damages such as encoder, when having played better waterproof nature, has improved the life of security and motor greatly.

Preferably, a second sealing ring is arranged between the machine shell and the rotating shaft.

This setting, through the effect of sealing washer two, prevents that materials such as water from getting into the inside of motor between pivot and the casing, has played better waterproof nature, is favorable to the improvement of security.

Preferably, a first threading hole is formed in the casing, a first thread pressing box is fixed on the first threading hole, a second threading hole is formed in the protective cover, and a second thread pressing box is fixed on the second threading hole.

This setting, the connection interlude of the circuit of being convenient for, the development of the waterproof work of being convenient for.

Preferably, rubber pads are arranged at the joints of the first wire pressing box and the second wire pressing box and the first wire threading hole and the second wire threading hole.

This setting, through the effect of rubber pad, has increased the leakproofness of line ball box department, has improved the waterproof grade of motor.

Preferably, one side of the shield, which is connected with the casing, is provided with an annular barrier strip.

This setting has been convenient for the installation between guard shield and the casing fixed, has also increased waterproof performance simultaneously.

Preferably, a cavity is formed between the cover plate and the shield, and the encoder is arranged in the cavity.

This setting has been convenient for encoder's installation and dismantlement.

The utility model has the beneficial effects that: convenient to use, novel structure, stability is good, and the wholeness is good, and waterproof nature is good, and it has the practicality and the universality of use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the present invention is not limited to the scope of the present invention.

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

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of an encoder installation of the present invention;

FIG. 5 is a schematic view of a bearing assembly of the present invention;

the magnetic bearing comprises a shell 1, a shield 2, a rotating shaft 3, a wire pressing box I4, a wire pressing box II 5, a sealing ring I6, a coder 7, a stator 8, a rotor 9, a wire threading hole I10, a wire threading hole II 11, a cover plate 12, a sealing ring II 13, a bearing I14, a bearing II 15, a magnetic head 16, a magnetic head 17, an annular barrier strip 18 and a rubber pad.

Detailed Description

Referring to fig. 1 to 5, the novel servo motor includes a casing 1, a shield 2, a rotating shaft 3, a stator 8 and a rotor 9, the casing 1 and the shield 2 are connected by screws, the rotor 9 and the rotating shaft 3 are integrated, the stator 8 is arranged on the outer side of the rotor 9, a first bearing 14 and a second bearing 15 are arranged on the rotating shaft 3, the first bearing 14 is fixed in the casing 1, the second bearing 14 is fixed in the shield 2, a magnetic head 16 is arranged on the rotating shaft 3, and an encoder 7 is arranged on the inner side of the shield 2.

Further, a cover plate 12 is arranged on one side of the shield 2, and a first sealing ring 6 is arranged between the shield 2 and the cover plate 12.

Further, a second sealing ring 13 is arranged between the machine shell 1 and the rotating shaft 3.

Furthermore, a first threading hole 10 is formed in the machine shell 1, a first thread pressing box 4 is fixed on the first threading hole 10, a second threading hole 11 is formed in the protective cover 2, and a second thread pressing box 5 is fixed on the second threading hole 11.

Furthermore, rubber pads 18 are arranged at the joints of the first wire pressing box 4, the second wire pressing box 5, the first threading hole 10 and the second threading hole 11.

Further, one side of the shield 2 connected with the casing 1 is provided with an annular barrier strip 17.

Further, a cavity is formed between the cover plate 12 and the shield 2, and the encoder 7 is arranged in the cavity.

Furthermore, a bearing mounting seat is arranged inside the protective cover, and a second bearing is fixed on the bearing mounting seat.

When the utility model is used, the circuit is inserted and connected through the action of the first wire pressing box and the second wire pressing box, the motor works through the action of the stator and the rotor, the motor is accurately controlled through the action of the encoder,

the whole waterproofness of the servo motor is increased through the action of the first sealing ring, the second sealing ring, the rubber pad and the annular barrier strip, the application range of the motor is enlarged, and the safety and the service life are greatly improved.

The front end cover of the traditional motor and the shell are arranged into a whole; 1. the integrity is improved, and heat dissipation, noise and vibration are facilitated; 2. the assembly process is reduced; 3. the front end cover bearing chamber and the shell have better concentricity, and the motor gap is more uniform.

Through the whole waterproof construction that adopts of line ball box, make the whole waterproof grade of motor can obtain IP 67.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A novel servo motor is characterized in that: including casing, guard shield, pivot, stator and rotor, casing and guard shield adopt screw connection, rotor and pivot structure as an organic whole, and the stator setting is in the outside of rotor, be equipped with bearing one and bearing two in the pivot, the inside at the casing is fixed to bearing one, and the inside at the guard shield is fixed to bearing two, install the magnetic head in the pivot, the encoder is installed to the inboard of guard shield.

2. The novel servo motor of claim 1, wherein: a cover plate is arranged on one side of the protective cover, and a first sealing ring is arranged between the protective cover and the cover plate.

3. The novel servo motor of claim 1, wherein: and a second sealing ring is arranged between the shell and the rotating shaft.

4. The novel servo motor of claim 1, wherein: the casing is provided with a first threading hole, a first wire pressing box is fixed on the first threading hole, the shield is provided with a second threading hole, and a second wire pressing box is fixed on the second threading hole.

5. The novel servo motor of claim 4, wherein: rubber pads are arranged at the joints of the first wire pressing box and the second wire pressing box and the first wire threading hole and the second wire threading hole.

6. The novel servo motor of claim 1, wherein: and one side of the protective cover connected with the shell is provided with an annular barrier strip.

7. The novel servo motor of claim 2, wherein: a containing cavity is formed between the cover plate and the protective cover, and the encoder is arranged in the containing cavity.