Coffee mill convenient to clean

The coffee mill convenient to clean comprises a first shell, the bottom of the surface of the first shell is movably sleeved with a second shell, clamping grooves are formed in the bottoms of the two sides of the first shell, box bodies are fixedly connected to the tops of the two sides of the second shell, movable plates are movably connected to the inner walls of the box bodies through rotating shafts, and the movable plates are movably connected to the bottom of the first shell through rotating shafts. And one side of the movable plate is fixedly connected with a clamping rod, one end of the clamping rod penetrates through the box body and extends to an inner cavity of the clamping groove, the inner wall of the box body is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the surface of the movable plate. The coffee grinder solves the problems that an existing coffee grinder can not grind coffee beans into different particle sizes according to the types of dif