Robot automatic slag loading and unloading device suitable for coal mill

The invention discloses a robot automatic slag loading and unloading device suitable for a coal mill, and relates to the technical field of loading and unloading robots, the robot automatic slag loading and unloading device comprises a first robot capable of performing route planning and navigation, and the first robot is provided with a containing space; the second robot is located in the containing space and can move along with the first robot, the second robot at least comprises a loading and unloading assembly, and the loading and unloading assembly comprises a mounting base, a first robot body and a second robot body; the two integrated seats are symmetrically distributed, the integrated seats are fixed on the mounting seat, and a discharging motor and a positioning rod are integrated in each integrated seat; and the clamping assembly is fixed to the output end of the discharging motor and locked by the positioning rod, and the clamping assembly can clamp or release a slag discharging cylinder of the coa