Roller press convenient to clean and maintain

A roller press convenient to clean and maintain comprises a box body, a feeding hopper communicated with the box body is arranged at the top end of the box body, a flow adjusting mechanism is arranged on a feeding pipe at the bottom end of the feeding hopper, two pressing rollers are horizontally arranged in the box body side by side, and a rotating shaft is arranged in the center of each pressing roller. Horizontal telescopic air cylinders are arranged on the left side and the right side of the box body, the piston ends of the air cylinders penetrate through the side wall of the box body and are detachably connected with a cleaning assembly through a connecting assembly, and water inlet pipes communicating with the air cylinders are arranged at the positions, located above the air cylinders, of the left side and the right side of the box body. And a spraying pipe parallel to the pressing roller is arranged at the position, located above the cleaning assembly, in the box body, a discharging opening is formed