CN213367532U

CN213367532U - Small-size module motor

Info

Publication number: CN213367532U
Application number: CN202022458375.6U
Authority: CN
Inventors: 李自军; 宋金梅; 宋凡; 王景
Original assignee: Changzhou Yunkong Electronic Co ltd
Current assignee: Changzhou Yunkong Electronic Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-04
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a small-size module motor, which comprises a front end cover, a front end bearing, a stator, a rotor, a rear end bearing, a rear end cover, magnetism isolating magnetic beads, a magnetic woven PCB (printed Circuit Board), a rear cover, a wire clamp, a shell and a rotating shaft; the utility model discloses in can be used in the AGV walking at 40 low pressure servo motor modules, its research and development has filled the market vacancy, and the performance that its minimum size had is in leading level in the trade, makes the AGV dolly become the trend to the miniaturization.

Description

Small-size module motor

Technical Field

The utility model relates to a small-size module motor belongs to the motor field.

Background

Along with the rise of the Internet of things, the AGV industry develops rapidly, the product market positioning is more precise and refined, the small-size low-voltage servo motor module is used for the AGV to walk, the market vacancy is filled in the research and development of the small-size low-voltage servo motor module, the performance of the minimum size of the small-size low-voltage servo motor module is in the leading level in the industry, the AGV trolley tends to be miniaturized, the traditional motor is limited by the original design and the three-circle size of the rotor core, and the technical requirements cannot be met due to the magnetic circuit design of the pole slot.

In the current market, because of research and development, supporting system requirements and investment limits, 4 pairs of pole motors are mainly used at home and abroad, along with the subdivision of the use market of customers, the improvement of material performance and the progress of process, 5 pairs of pole motors are inevitably expanded to low-voltage high-performance motors when used in high-voltage servo motors with high-performance requirements.

The battery power supply driving system is flexible, convenient, safe and reliable, is not limited by the laying of distribution lines, brings convenience to the people, is powered by a rechargeable battery through a 5-pair low-voltage direct-current permanent magnet servo motor, is controlled by FOC vectors, can meet the high-performance requirements of market segments and products required by social development, and can create greater social and economic benefits.

The 5 pairs of pole low-voltage servo motors have the characteristics of high fundamental wave winding coefficient, symmetrical unit motors and strong technological adaptability; lower cogging torque and torque ripple can be designed; compared with the winding parallel circuit number of the 4-pair-pole motor, the number of the winding parallel circuits is increased, and the low-voltage motor is more suitable for the design of a low-voltage motor; more technical innovation experiences are accumulated by developing 5 pairs of polar series low-voltage electric machines, the technical progress of the industry is led, the market segment requirements are met, and the society is better served.

Through industry market research and analysis, customers need higher performance products, and require continuous innovation and progress of the products, and 5 pairs of low-voltage servo motors are high-performance products and have wide market prospect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size module motor to solve the relevant technical problem among the prior art.

The purpose of the utility model can be achieved by adopting the following technical scheme: a small-size module motor comprises a front end cover, a front end bearing, a stator, a rotor, a rear end bearing, a rear end cover, magnetic isolation magnetic beads, a magnetic woven PCB (printed Circuit Board), a rear cover, a wire clamp, a shell and a rotating shaft; the front opening and the rear opening of the shell are respectively and fixedly connected with the front end cover and the rear cover; the front end bearing, the stator, the rotor, the rear end bearing, the magnetic isolation beads and the magnetic woven PCB are arranged in the shell; the front end cover is provided with a through hole, the rotating shaft is arranged in the shell through the through hole, and the front end bearing is arranged at the front end of the rotating shaft; the rotor is arranged on the rotating shaft, the stator is arranged on the shell, and the stator and the rotor work in a matching mode; the rear end cover is arranged on the stator; the rear end bearing is arranged at the rear end of the rotating shaft, and the magnetic isolation magnetic beads are embedded in the rear end of the rotating shaft; the magnetic-woven PCB is fixedly connected with the rear end cover; the wire clamp is fixedly connected with the shell and the rear cover on one side.

Preferably, the stator adopts a pole slot of 9 slots and 10 poles.

Preferably, the front end bearing and the rear end bearing are respectively arranged in a front bearing chamber and a rear bearing chamber, which are arranged in the stator inner circle.

Has the advantages that:

1) the utility model adjusts the structure performance by changing the size of the three circles, which is more excellent than the existing structure performance and can ensure the output power of the motor;

2) the utility model enters the glue filling cavity through the bearing chamber, thereby realizing the sound of a non-vibration instrument;

3) the utility model changes the stator slot type, thereby reducing the slot insulation occupying space and improving the slot space utilization rate;

4) the utility model discloses compare the axle sleeve outer installation pattern of traditional magnetism compile, axial dimension reduces, and the installation of the integral magnetism of contrast is compiled, and the size is littleer, and motor compact structure, vibration noise is little.

Drawings

Fig. 1 is a schematic view of the overall structure of a small-sized modular motor according to the present invention;

fig. 2 is a schematic view of a part of a small-sized modular motor according to the present invention;

in the figure: the magnetic shield type motor stator comprises a front end cover 1, a front end bearing 2, a stator 3, a rotor 4, a rear end bearing 5, a rear end cover 6, magnetic isolation beads 7, a magnetic woven PCB (printed Circuit Board) 8, a rear cover 9, a wire clamp 10, a shell 11 and a rotating shaft 12.

Detailed Description

The present invention is described in detail with reference to the accompanying drawings, which are not intended to limit the scope of the present invention.

The utility model discloses a scheme for adjusting stator and rotor core three-circle size, suitably enlargies stator excircle, interior circle, shaft hole size, optimizes the lectotype bearing to realize that the bearing room can go into the stator inner chamber.

As shown in fig. 1-2, a small-sized modular motor includes a front end cover 1, a front end bearing 2, a stator 3, a rotor 4, a rear end bearing 5, a rear end cover 6, magnetic isolation beads 7, a magnetic-woven PCB board 8, a rear cover 9, a wire clamp 10, a housing 11, and a rotating shaft 12; the front opening and the rear opening of the shell 11 are respectively fixedly connected with the front end cover 1 and the rear cover 9; the front end bearing 2, the stator 3, the rotor 4, the rear end bearing 5, the magnetic isolation beads 7 and the magnetic woven PCB 8 are arranged in the shell; the front end cover 1 is provided with a through hole, the rotating shaft 12 is arranged in the shell 11 through the through hole, and the front end bearing 2 is arranged at the front end of the rotating shaft 12; the rotor 4 is arranged on a rotating shaft 12, the stator 3 is arranged on a shell 11, and the stator 3 and the rotor 4 work in a matching mode; the rear end cover 6 is arranged on the stator 3; the rear end bearing 5 is arranged at the rear end of the rotating shaft 12, and the magnetic isolation magnetic beads 7 are embedded at the rear end of the rotating shaft 12; the magnetic-woven PCB 8 is fixedly connected with the rear end cover 6; the wire clamp 10 is fixedly connected with the shell 11 and the rear cover 9 on one side.

Preferably, the stator 3 adopts a pole slot of 9 slots and 10 poles.

Preferably, the front end bearing 2 and the rear end bearing 5 are arranged in a front bearing chamber and a rear bearing chamber, respectively, which are arranged in the stator inner circle.

The utility model discloses with the constraint appearance of 40.2 frames, the inside and outside footpath size fine setting of stator is enlarged, and the preferred bearing designs front and back end cover bearing room structure, properly processes the internal diameter to the winding head hole of encapsulating shaping, guarantees that the bearing room joins in marriage the entering, plays auxiliary stay promptly, but also the noise reduction shakes; magnetic beads are embedded in the magnetic isolation sleeve, and compared with a traditional magnetic weaving structure with the magnetic isolation sleeve arranged outside, the axial size of the magnetic weaving structure can be reduced; the inner diameter of the iron core is enlarged, the design of 9 slots and 10 poles is more reasonable than that of a 9 slot and 8 pole magnetic circuit, and the utilization space of the winding is greatly improved compared with that of 12 slots and 10 poles.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the scope of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A small-size module motor is characterized by comprising a front end cover (1), a front end bearing (2), a stator (3), a rotor (4), a rear end bearing (5), a rear end cover (6), magnetic isolation beads (7), a magnetic encoding PCB (8), a rear cover (9), a wire clamp (10), a shell (11) and a rotating shaft (12); the front opening and the rear opening of the shell (11) are respectively fixedly connected with the front end cover (1) and the rear cover (9); the front end bearing (2), the stator (3), the rotor (4), the rear end bearing (5), the magnetic isolation beads (7) and the magnetic encoding PCB (8) are arranged in the shell; the front end cover (1) is provided with a through hole, the rotating shaft (12) is arranged in the shell (11) through the through hole, and the front end bearing (2) is arranged at the front end of the rotating shaft (12); the rotor (4) is arranged on the rotating shaft (12), the stator (3) is arranged on the shell (11), and the stator (3) and the rotor (4) work in a matched mode; the rear end cover (6) is arranged on the stator (3); the rear end bearing (5) is arranged at the rear end of the rotating shaft (12), and the magnetic isolation magnetic beads (7) are embedded in the rear end of the rotating shaft (12); the magnetic-coded PCB (8) is fixedly connected with the rear end cover (6); the wire clamp (10) is fixedly connected with the shell (11) on one side and the rear cover (9).

2. A small-sized modular motor according to claim 1, wherein said stator (3) employs 9-slot 10-pole slots.

3. A small-sized modular motor according to claim 1, wherein said front end bearing (2) and said rear end bearing (5) are respectively disposed in a front bearing chamber and a rear bearing chamber, which are disposed in an inner circle of a stator.