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Lightweight five-degree-of-freedom high speed welding robot

A welding robot and degrees of freedom technology, applied in the field of machinery, can solve the problems of poor dynamic performance of the robot, large rotational inertia of the robot, easy to generate large vibration, etc. Effect

Inactive Publication Date: 2017-11-07
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, one of the gaps between domestic robot motors and reducers and international advanced robot motors and reducers is that the mass (weight) and volume are large, which will lead to large moment of inertia of the robot, poor dynamic performance of the robot, and easy Problems such as large vibration

Method used

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  • Lightweight five-degree-of-freedom high speed welding robot

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Embodiment 1

[0124] A lightweight five-degree-of-freedom high-speed welding robot, including a first rotating shaft 1b, a second rotating shaft 2b, a first arm 1c, a second arm 2c, a third arm 3c, a first active rod 1d, and a second active rod 2d, the third active rod 3d, the first primary driven rod 1e, the second primary driven rod 2e, the third primary driven rod 3e, the first primary sliding sleeve 1f, the second primary sliding sleeve 2f, the third primary sliding sleeve Set 3f, first final driven rod 1k, second final driven rod 2k, third final driven rod 3k, first connecting block 1n, second connecting block 2n, third connecting block 3n, first The last sliding sleeve 1p, the second final sliding sleeve 2p, the third final sliding sleeve 3p, the fourth final sliding sleeve 4p, the fifth final sliding sleeve 5p, the sixth final sliding sleeve 6p, the seventh final Sliding sleeve 7p, eighth final sliding sleeve 8p, ninth final sliding sleeve 9p, first guide rod 1q, second guide rod 2q,...

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Abstract

Disclosed is a lightweight five-degree-of-freedom high speed welding robot. A first servo motor drives a second ultimate sliding sleeve to slide back and forth on a small arm through a transmission chain which comprises a first driving rod. A second servo motor drives the small arm to rotate through a transmission chain which comprises a second driving rod. The small arm drives an actuator to swing left and right on a work plane through the transmission chains. A third servo motor drives a fourth ultimate sliding sleeve to slide back and forth on the small arm through a transmission chain which comprises a third driving rod. The second ultimate sliding sleeve and the fourth ultimate sliding sleeve are transmitted through a transmission chain formed by a first connecting rod to a fifteenth connecting rod and drive the actuator to adjust an elevation angle. According to the lightweight five-degree-of-freedom high speed welding robot, a low center of gravity lightweight structural design that all the motors and a speed reducer are installed in the position close to a base is achieved, and the motors and the speed reducer do not do large movements along with motion rod parts.

Description

technical field [0001] The invention relates to the field of machinery, in particular to a lightweight five-degree-of-freedom high-speed welding robot. Background technique [0002] Since the 1980s, people have been hoping to reduce the mass of the robot's moving parts to improve its dynamic performance, and achieved promising results. But these works are all around reducing the mass of robot rods. The motors and reducers installed at the joints of the serial robot actually have a great influence on the dynamic performance of the robot. Moreover, in order to ensure that the motor outputs high power and its output speed is very high, a reducer with a large transmission ratio is required to decelerate it to a speed suitable for the robot to work. And the development of a large transmission ratio reducer with small size and light weight is also a difficult problem encountered by my country's robot industry. At present, one of the gaps between domestic robot motors and reduce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J11/00B25J9/12B23K37/00
CPCB25J11/005B23K37/00B25J9/12
Inventor 蔡敢为韦为王湘叶兵吴承亮李洪汉吴长逸何桂尖谢声扬
Owner GUANGXI UNIV
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