Cleaning device capable of rapidly cleaning waste of plastic injection molding machine

The utility model provides a cleaning device capable of quickly cleaning waste of a plastic injection molding machine, which comprises an injection molding box, a supporting plate on one side of the injection molding box, a flat plate fixedly connected to the upper side of the supporting plate, a motor fixedly connected to the upper side of the flat plate, a vertical pipe fixedly connected to a main shaft of the motor through a connecting plate, a connecting rod slidably connected in the vertical pipe, and a rotating plate fixedly connected to the lower end of the connecting rod. The lower side of the rotating plate is fixedly connected with two vertical plates, each vertical plate is slidably connected with two sliding rods, one ends of the two sliding rods are jointly and fixedly connected with a brush plate, one side of each brush plate is fixedly connected with bristles, the other end of each sliding rod is fixedly connected with a check block, and the outer wall of each sliding rod is sleeved with a firs