Mattress cleaning machine

A mattress cleaning machine, comprising

• a frame;
• a horizontal cylinder provided inside the frame, wherein the horizontal cylinder is provided with a cuboid inner container therein, two ends of the cuboid inner container are rotatably mounted to the horizontal cylinder, one side of the cuboid inner container is successively formed from top to bottom with multiple cabins for placing multiple mattresses, the multiple cabins are jointly provided with an openable and closable cabin door at an entrance on a same side, and a sealing door is provided at a position on an upper part of one side of the horizontal cylinder;
• and
• a positioning device provided at one end of the cuboid inner container, the positioning device being designed for positioning the cabin door to a position of the sealing door;
• one end of the cuboid inner container sealingly protrudes from an outer side of the horizontal cylinder and is coaxially provided with a positioning pole;
• an upper end and a lower end of the positioning pole are respectively mounted with a positioning piece parallel to each other;
• two telescopic cylinders are respectively provided below the positioning piece at two sides of an axial center of the positioning pole;
• and when the two telescopic cylinders extend at the same time and bear against the same positioning piece, the cabin door reaches the position of the sealing door.