A robot joint structure

Abstract

The invention discloses a robot joint structure. A spring pressure plate and a steel ball capable of axially telescoping along a mechanical supporting structure are arranged in the supporting structure, a shallow pit matched with an arc surface of the steel ball is formed in a steel ball pressure plate, and the steel ball pressure plate is rotatably connected with the mechanical supporting structure through a bearing connection device. When torque is externally inputted to the mechanical supporting structure, the steel ball drives the steel ball pressure plate to rotate, and is separated from the shallow pit of the steel ball pressure plate when the torque is excessive. The steel ball pressure plate is sleeved on a supporting shaft through a rotating part, and infinite rotation of a first connection plate is avoided. The robot joint structure is simple and compact in structure and convenient and rapid to disassemble and assemble, overload protection for a joint is realized without affecting normal electromechanical connection, the original state can be conveniently and rapidly restored for normal operation after overload disappears, and the hidden danger of knotting of connection lines can be avoided, so that the robot joint structure is practical.

Description

technical field [0001] The invention belongs to the technical field of robots, and in particular relates to a robot joint structure. Background technique [0002] With the rapid development of automobiles, chemicals, electronics, food processing, plastics, life sciences and other fields, especially in the field of robotic equipment, the transmission accuracy, safety and reliability, small size, and shock absorption of the drive joint transmission system Noise, light weight, maintenance-free and other performances put forward more stringent standards. [0003] Modular industrial robots change the limitations of traditional industrial robots, can adapt to complex and changeable working environments and given tasks, expand the application fields of industrial robots, and gradually become a hot spot in robot research. Modular robots are assembled from a series of modules. Through the free and flexible reconfiguration of the modules, they can be constructed into robot configurat...

AI Technical Summary

Problems solved by technology

[0004] When the robot needs to perform operations such as picking and placing, handling, and drilling, it will generate a large load force; especially when the robot encounters sudden failures such as sudden loading and excessive acceleration, the load will increase greatly; if the electromechanical interface is simply transmitted The torque and impact force will be completely transmitted to each joint, which will easily cause damage to the robot parts; or require the size of the parts to increase and the drive power to increase, which will cause a waste of cost

[0005] Furthermore, because the joints of the robot can rotate infinitely, the wires inside will be tightly wound, and there will be serious hidden dangers in the end.

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