Welding nozzle cleaning assembly for arc welding robot

The utility model discloses a welding nozzle cleaning assembly for an arc welding robot, which belongs to the technical field of welding tools and is characterized by comprising a mounting disc, a motor is mounted on the lower end face of the mounting disc, a rotating shaft is detachably connected to the output end of the motor, and the upper end of the rotating shaft penetrates through the mounting disc and extends to the position above the mounting disc. A cleaning cylinder is installed on the upper end face of the rotating shaft, a sealing cover is installed on the upper end face of the cleaning cylinder, an open hole is formed in the upper end face of the sealing cover in a penetrating mode, a mounting cavity is formed in the upper end face of the cleaning cylinder, an iron wire is arranged in the mounting cavity, and the lower end face of the mounting cavity communicates with a slag discharging cavity; and the outer side wall of the slag discharging cavity communicates with a plurality of inclined slag d