Rotary joint for an industrial robot

Abstract

The utility model relates to industrial robot technical field discloses a kind of rotary joints of industrial robot, including device ontology and sealing device, the device ontology includes shell, top cover and motor, bearing seat is fixedly arranged in the shell inner bottom surface, and rotating shaft is rotatably arranged in bearing seat interior, the rotating shaft outer wall middle part is fixedly connected with worm wheel, the protruding block is fixedly connected with one side on the upper end surface of worm wheel, the motor output end is fixedly provided with worm and worm engages with worm wheel, the top cover interior is equipped with lubricating oil bin, extrusion hole is equipped in the top cover lower end surface at the rear end of lubricating oil bin, spring is fixedly connected with the inner top surface of extrusion hole and the plug block is fixedly connected with spring lower end. In the utility model, the device can effectively avoid mechanical wear caused by lack of lubricating oil, and also can avoid lubricating oil leakage and dust into the device interior.

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