A Micron Electric Controlled Rotary Stage Based on Harmonic Drive

Abstract

The invention provides a harmonic drive based micron electric rotating platform. The harmonic drive based micron electric rotating platform comprises a motor, a rotating platform body, a housing and aharmonic reducer, wherein a coupling and a high-speed shaft are arranged between the motor and the harmonic reducer; the motor is connected to the high-speed shaft through the coupling; the high-speed shaft is connected to the harmonic reducer; the housing is arranged at the outer edge of the harmonic reducer; the rotating platform body is arranged at the upper parts of the housing and the harmonic reducer; a deep groove ball bearing is arranged in the harmonic reducer, and the harmonic reducer is connected to the rotating platform body through a screw; the rotating speed of the rotating platform body can be adjusted within the range of 0-60rpm. The electric rotating platform is wide in speed range and can be widely used in a plurality of fields, and is applicable to complex and changeable working conditions; the rotating platform body maintains the same loading capacity in horizontal arrangement, lateral vertical arrangement and inverted arrangement.

Description

technical field [0001] The invention relates to a transmission mechanism, in particular to a micron electric control rotary table based on harmonic transmission. Background technique [0002] The electric rotary table is a device that converts the rotary motion of the motor into the rotary motion of the rotary table turntable. The transmission mechanism is an important part of the turntable, which directly affects the performance of the mechanism. The common electric control rotary table generally adopts the worm gear transmission mechanism. The worm gear transmission is stable, and the impact, vibration, and noise are relatively small, but the efficiency is low, and it cannot adapt to high speed, which affects the application in some occasions. Traditional turntables use traditional bearings, which are bulky, anisotropic, and poorly adaptable to all working conditions. The existing worm gear deceleration electric turntable has the following disadvantages: 1. The machinin...

AI Technical Summary

Problems solved by technology

The worm gear transmission is stable, the impact, vibration and noise are relatively small, but the efficiency is low and cannot adapt to high speed, thus affecting the application in some occasions

Traditional turntables use traditional bearings, which are bulky, anisotropic, and poorly adaptable to all working conditions

The existing worm gear deceleration electric turntable has the following disadvantages: 1. The machining accuracy of the worm gear is not guaranteed; 2. The sliding fit transmission causes serious wear; 3. The transmission efficiency is low; 4. The rotational speed is low

5. The volume occupied by the bearing is large, 6. The maintenance cycle is short and the maintenance cost is high

7. The load is heavy when used horizontally, and the load will drop sharply in the case of standing sideways and upside down

[0003] The direct drive turntable, the motor directly drives the turntable to rotate, without a deceleration and booster mechanism

The motor is directly driven and has no self-locking function. Once the power is cut off, the turntable cannot be locked immediately; the motor torque and inertia are limited, and the load capacity is poor

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