Universal robot joints and robot arm

Abstract

The invention provides universal robot joints and a robot arm. The universal robot joints can be connected in series and / or in parallel through a first interface terminal and a second interface terminal which are arranged on each joint in a unified carrying mode, and a multi-freedom-degree robot system is combined conveniently. Through the design of a force transmission shaft, the same rotating shaft of electrical signals and synchronous rotation, a user only needs to conduct inserting and connecting operation, then physical connection can be completed, and meanwhile, circuit connection is also completed; using is convenient, and meanwhile, the situation that a signal line and a power line are wound caused by rotating of the robot arm is also avoided; each universal joint has an independent bus address and an independent motor servo control system; compared with an external motor control system of a traditional controller, the number of external connection lines of the joints is reduced through the structure of buses, high-frequency noise outside the joints is lowered, problems of corresponding bus nodes are found conveniently and quickly, modularized replacement is conducted, and networked control and management are convenient.

Description

Technical field [0001] The invention relates to the field of robot manufacturing, in particular to a universal joint of a robot and a robot arm. Background technique [0002] Under normal circumstances, the robot arm needs to be composed of multiple joints. The physical and electrical connections between the joints need to be completed independently, which increases the workload. In addition, when the joints are moving, the cables are likely to be entangled or even knotted, which reduces the lifespan and This increases the risk of short circuits and open circuits in the equipment; in addition, under normal circumstances, the number of signal lines and power lines will also double as the number of joints increases, causing the multi-joint robot to move due to the connection Excessive quantities increase the extra load of the system, and also increase the difficulty and cost of production during production; moreover, when the system fails, the complicated arm structure is not condu...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a modular robot universal joint and robot arm, which can realize the synchronous completion of the physical connection and electrical connection between the joints, as well as the network management of all joints, and solve the problem of the robot arm during the movement process. It is easy to cause the problem of cable knotting and entanglement

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