Supporting device for manipulator

Abstract

The invention discloses a supporting device for a manipulator. The supporting device for the manipulator comprises a supporting arm and an auxiliary arm, wherein the supporting arm is connected to a support on a rear arm part of an upper arm of the manipulator and rotates around a third shaft. The supporting arm comprises a first connecting piece, and the first connecting piece comprises a sealing piece used for mounting and dismounting a cable. The auxiliary arm is connected with a front arm part, the front arm part is mounted on the rear arm part, rotates around a first shaft and is provided with a wrist, and a hand connected with a steering wheel is mounted on the wrist. The steering wheel rotates around a second shaft. The auxiliary arm comprises a second connecting piece, and the second connecting piece is provided with a sealing piece. A spiral spring is arranged on the third shaft of the supporting arm, and a protective sleeve is arranged outside the spiral spring. The cable is arranged between the supporting arm and the auxiliary arm. The supporting device for the manipulator has the beneficial effects that damage to the cable is avoided, and the cable can be allowed to move in the smallest space; and by arranging the connecting pieces, the cable can be allowed to be mounted and dismounted rapidly, the cable bending risk is lowered, the design is simple, and the cost effectiveness is low.

Description

technical field [0001] The invention relates to a manipulator of an industrial robot, in particular to a supporting device for the manipulator, which holds a part of cables extending between two movable front and rear arms of the manipulator, so that the slack part of the cable can be absorbed. Background technique [0002] In industrial robots, there are generally three different types of wiring: power wiring, signal wiring, and process wiring. Usually, the first two types of wiring are set inside the manipulator, however, the process wiring is usually thick and not bent, and is fixed outside the manipulator, so that the cables are at risk of being damaged and exposed to wear. In addition, traditional suspension arrangements for process wiring often encroach on the robot's working range, and when the robot performs more extreme hand movements, the wiring is also subject to extreme tension and wear on the swivel arm. The excess cable must be positioned so that it can wrap a...

AI Technical Summary

Problems solved by technology

Usually, the first two types of wiring are set inside the manipulator, however, the process wiring is usually thick and not bent, and is fixed outside the manipulator, so that the cables are at risk of being damaged and exposed to wear and tear

In addition, traditional suspension arrangements for process wiring often violate the working range of the robot, and when the robot performs more extreme hand movements, the wiring is also subjected to extreme tension and wear on the rotating arm

It is necessary to set up the redundant cable so that it can wrap around the arm when the arm is rotated, then the loop of the redundant cable is constantly vibrating and may get caught on objects in the working range, causing the cable to fail

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