Dust-free full-automatic lead screw polishing equipment and working method

The invention provides dust-free full-automatic lead screw polishing equipment and a working method thereof.The polishing equipment comprises a polishing room, a robot, a feeding mechanism, a discharging mechanism, a polishing mechanism and a dust removal mechanism, the robot, the feeding mechanism, the discharging mechanism, the polishing mechanism and the dust removal mechanism are arranged in the polishing room, the polishing room is of a closed structure, and a clamping and positioning mechanism is arranged at the conveying end of the robot; the feeding mechanism can achieve automatic feeding and mark a plurality of grinding positions of the lead screw. The discharging mechanism is used for automatic discharging, and the robot is used for clamping a lead screw for feeding and discharging and conveying the lead screw to the grinding mechanism for grinding. The grinding mechanism is used for grinding a lead screw and comprises two floating polishing machines arranged side by side. The dust removal mechanism