a backlash buffer

Abstract

The invention relates to a back lash buffer which comprises a motor, a speed reducer, a control box and a drive shaft, wherein the motor is fixedly connected with the speed reducer, the speed reducer is fixedly connected with the control box, the motor is in drive connection with the speed reducer, the speed reducer is in drive connection with the drive shaft, the drive shaft penetrates through the control box, the control box comprises a box body, a first eccentric wheel, a second eccentric wheel, an elasticity adjusting device and an elasticity conducting device are arranged in the box body, the elasticity adjusting device and the elasticity conducting device are fixedly connected with the box body respectively, the first eccentric wheel and the second eccentric wheel are propped against the elasticity conducting device respectively, the elasticity conducting device is propped against the elasticity adjusting device, and the drive shaft penetrates through the first eccentric wheel and the second eccentric wheel respectively. An imported RV speed reducer and a high-resolution closed loop controller are not required to be used in the back lash buffer, and the back lash buffer is simple in structure, long in service life and low in production cost, can eliminate back lash produced by forward and reverse drive of gears and relieve blockage of great inertia on movement during manipulator movement, and improves the movement accuracy of a manipulator.

Description

technical field [0001] The invention relates to the technical field of mechanical accessories, in particular to a backlash buffer. Background technique [0002] A manipulator is an automatic operating device that can imitate certain movement functions of the human hand and arm to grab, carry objects or operate tools according to a fixed program. The manipulator is the earliest industrial manipulator and also the first modern manipulator. It can replace the heavy labor of people to realize the mechanization and automation of production, and can operate in harmful environments to protect personal safety. Therefore, it is widely used in machinery manufacturing, metallurgy, Departments of electronics, light industry and atomic energy. [0003] Among the components of the manipulator, the combination of the motor and the reducer is a commonly used drive device, which is used to drive the manipulator to perform rotational motion, lateral motion or longitudinal motion. When the m...

AI Technical Summary

Problems solved by technology

When the manipulator is doing rotational movement, lateral movement or longitudinal movement, the forward and reverse transmission of the transmission gear will produce backlash, which will affect the movement accuracy of the manipulator

At the same time, the large inertia in the movement of the manipulator will also affect the movement accuracy of the manipulator

[0004] At present, although the price of the driving device composed of domestic reducer is relatively cheap, the driving device cannot meet the high-precision requirements of the manipulator movement, resulting in large errors in the movement of the manipulator, which cannot meet the production needs of the enterprise.

Therefore, in the existing manipulator driving device, in order to eliminate the backlash caused by the forward and reverse transmission of the transmission gear and ease the obstruction of the large inertia in the movement of the manipulator, an RV reducer imported from abroad or a high-resolution The closed-loop controller, whether it is an imported RV reducer or a high-resolution closed-loop controller, is very expensive, and once damaged, it will be sent abroad for repair, which is very inconvenient, reduces the production efficiency of the enterprise, and increases the cost of the enterprise. The production cost reduces the economic benefit of the enterprise

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