CN219477706U

CN219477706U - High-precision high-rigidity speed reduction motor

Info

Publication number: CN219477706U
Application number: CN202320318817.8U
Authority: CN
Inventors: 谭军; 任帅军
Original assignee: Shenzhen Lingpeng Intelligent Technology Co ltd
Current assignee: Shenzhen Lingpeng Intelligent Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-04
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a high-precision high-rigidity speed reducing motor which comprises a lower shell, an upper shell, a pin gear shell, a permanent magnet motor, a primary double cycloidal pin gear transmission structure, an encoder code disc, an encoder reading head and a crankshaft, wherein the upper shell is provided with a first-stage double cycloidal pin gear transmission structure; the permanent magnet motor consists of a pin gear shell, a stator, a rotor, a coil winding and strong magnet sheets, wherein the strong magnet sheets are alternately attached to the rotor in polarity; the encoder reading head is fixed on the upper shell through screw connection, the encoder code wheel is fixed on the rotor through screw connection, the stator is fixed on the needle gear shell through interference fit, and the rotor is connected with the crankshaft through a tooth shape; the lower shell and the needle gear shell are fixedly connected to the upper shell by screws, and the primary double cycloidal pin gear transmission structure is arranged below the needle gear shell. The double cycloidal gear speed reducer has the advantages of high precision and high rigidity, and the speed reducing motor has the advantages of the speed reducer and the characteristics of compact structure.

Description

High-precision high-rigidity speed reduction motor

Technical Field

The utility model relates to a speed reducing motor, in particular to a high-precision high-rigidity speed reducing motor.

Background

The common motor has high rotating speed and small torque, and a speed reducer is generally required to be additionally arranged to reduce the rotating speed and improve the torque when in actual use; the speed reducer is generally directly arranged on the output shaft of the motor and is combined to form the power assembly.

The power assembly manufactured by the motor acceleration and deceleration machine is large in length, large in size and troublesome to install, and the design planning of technicians is restricted to a certain extent.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a high-precision high-rigidity speed reduction motor so as to solve the problems in the background technology.

The high-precision high-rigidity speed reducing motor is realized by the following technical scheme: comprises a lower shell, an upper shell, a pin gear shell, a permanent magnet motor, a primary double cycloidal pin gear transmission structure, an encoder code disc, an encoder reading head and a crankshaft;

the permanent magnet motor consists of a pin gear shell, a stator, a rotor, a coil winding and strong magnet sheets, wherein the strong magnet sheets are alternately attached to the rotor in polarity; the encoder reading head is fixed on the upper shell through screw connection, the encoder code wheel is fixed on the rotor through screw connection, the stator is fixed on the needle gear shell through interference fit, and the rotor is connected with the crankshaft through a tooth shape; the lower shell and the needle gear shell are fixedly connected to the upper shell by screws, and the primary double cycloidal pin gear transmission structure is arranged below the needle gear shell.

As the preferable technical scheme, the first-stage double-cycloidal pin wheel transmission structure comprises a first cross slide block mechanism and a second cross slide block mechanism; the first cross sliding block mechanism consists of a gland, a first cross ring and a first cycloid wheel, and the second cross sliding block mechanism consists of a wheel seat, a second cross ring and a second cycloid wheel; the first cycloidal gear and the second cycloidal gear are identical and are installed back to back and in 180-degree phase relation.

As the preferable technical scheme, the permanent magnet motor is of a 24-slot 20-pole structure, and the stator is formed by stacking silicon steel sheets.

As the preferable technical scheme, the encoder formed by the encoder code disc and the encoder reading head adopts a hollow absolute value type magneto-electric encoder.

As a preferred solution, the crankshaft is an eccentric part.

The beneficial effects of the utility model are as follows: the speed reducing motor takes the direct drive motor as a power source to provide power, and the built-in double cycloidal gear speed reducer is used for reducing speed and increasing torque to provide power output; because the double cycloidal gear speed reducer has the advantages of high precision and high rigidity, the speed reducing motor has the advantages of the speed reducer and simultaneously has the characteristic of compact structure.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an explosive structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

As shown in fig. 1-2, the high-precision high-rigidity speed reducing motor comprises a lower shell 1, an upper shell 2, a pin gear shell 3, a permanent magnet motor, a primary double cycloidal pin gear transmission structure, an encoder code wheel 8, an encoder reading head 9 and a crankshaft 10;

the permanent magnet motor consists of a pin gear shell 3, a stator 4, a rotor 5, a coil winding 6 and strong magnet sheets 7, wherein the strong magnet sheets 7 are alternately attached to the rotor 5 in polarity; the encoder reading head 9 is fixed on the upper shell 2 through screw connection, the encoder code wheel 8 is fixed on the rotor 5 through screw connection, the stator 4 is fixed on the needle gear shell 3 through interference fit, and the rotor 5 and the crankshaft 10 are connected through tooth shapes; the lower shell 1 and the needle gear shell 3 are fixedly connected to the upper shell 2 by screws, and the primary double cycloidal pin gear transmission structure is arranged below the needle gear shell 3.

In the embodiment, the first-stage double cycloidal pin gear transmission structure comprises a first cross slide block mechanism and a second cross slide block mechanism; the first cross sliding block mechanism consists of a gland 11, a first cross ring 13 and a first cycloidal gear 15, and the second cross sliding block mechanism consists of a wheel seat 12, a second cross ring 14 and a second cycloidal gear 16; the first cycloidal gear 15 and the second cycloidal gear 16 are identical and are mounted back-to-back in 180 ° phase relationship.

In this embodiment, the permanent magnet motor has a 24-slot 20-pole structure, and the stator 4 is formed by stacking silicon steel sheets.

In this embodiment, the encoder composed of the encoder code wheel 8 and the encoder read head 9 adopts a hollow absolute value type magneto-electric encoder, and the position of the motor in the motion process is recorded by the encoder.

In this embodiment, the crankshaft 10 is an eccentric part.

The beneficial effects are as follows:

the utility model has compact structure, is convenient to install and use, can bear larger radial load and axial load while meeting the requirements of high rigidity and high precision.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A high-precision high-rigidity speed reducing motor is characterized in that: comprises a lower shell (1), an upper shell (2), a pin gear shell (3), a permanent magnet motor, a primary double cycloidal pin gear transmission structure, an encoder code disc (8), an encoder reading head (9) and a crankshaft (10);

the permanent magnet motor consists of a pin gear shell (3), a stator (4), a rotor (5), a coil winding (6) and strong magnet sheets (7), wherein the strong magnet sheets (7) are alternately attached to the rotor (5) in polarity; the encoder reading head (9) is fixed on the upper shell (2) through screw connection, the encoder code wheel (8) is fixed on the rotor (5) through screw connection, the stator (4) is fixed on the needle gear shell (3) through interference fit, and the rotor (5) is connected with the crankshaft (10) through a tooth shape; the lower shell (1) and the pin gear shell (3) are fixedly connected to the upper shell (2) by screws, and the primary double cycloidal pin gear transmission structure is arranged below the pin gear shell (3).

2. The high precision high rigidity reducing motor according to claim 1, wherein: the first-stage double cycloidal pin gear transmission structure comprises a first cross slide block mechanism and a second cross slide block mechanism; the first cross sliding block mechanism consists of a gland (11), a first cross ring (13) and a first cycloidal gear (15), and the second cross sliding block mechanism consists of a wheel seat (12), a second cross ring (14) and a second cycloidal gear (16); the first cycloidal gear (15) and the second cycloidal gear (16) are identical and are installed back to back and in 180-degree phase relation.

3. The high precision high rigidity reducing motor according to claim 1, wherein: the permanent magnet motor is of a 24-slot 20-pole structure, and the stator (4) is formed by stacking silicon steel sheets.

4. The high precision high rigidity reducing motor according to claim 1, wherein: the encoder formed by the encoder code disc (8) and the encoder reading head (9) adopts a hollow absolute value type magneto-electric encoder.

5. The high precision high rigidity reducing motor according to claim 1, wherein: the crankshaft (10) is an eccentric part.