Device for separating metal from slag

The invention relates to the technical field of resource recycling, and discloses a slag metal separation device which comprises a bottom plate, a rectangular shell, a first fixing plate and a second fixing plate are fixedly mounted on the outer wall of the top of the bottom plate, and a first motor is fixedly mounted on the outer wall of the first fixing plate; a rotating assembly is arranged on the outer wall of the side, away from the first motor, of the first fixing plate, an arc-shaped shell is fixedly connected to the outer wall of the end, close to the second fixing plate, of the rotating assembly, and a rotating assembly is arranged on the inner wall of the rectangular shell. And a connecting plate fixed to a second cylinder drives a third cylinder to rotate relative to an arc-shaped shell, metal in an inner cavity of the arc-shaped shell can be poured into an inner cavity of a square box, small holes are formed in the outer wall of the arc-shaped shell, and when slag is poured into the inner cavity o