Material bag swing type device and loading and stacking system

The utility model discloses a material bag swinging device and a loading and stacking system. The material bag swinging device comprises a belt conveyor, a guide plate, a bag pushing motor, a bag pushing baffle and a steering baffle; the belt conveyor is used for conveying the material bag, the material bag is in a cuboid shape, and the length direction of the material bag is perpendicular to theconveying direction of the belt conveyor when the material bag enters the belt conveyor. The guide plate is mounted on one side of the belt conveyor; the bag pushing motor is mounted on the other sideof the belt conveyor and corresponds to the guide plate; the bag pushing baffle is installed on a support of the bag pushing motor and corresponds to the guide plate. The steering baffle is installedon the side, provided with the guide plate, of the belt conveyor. A stop block is arranged at the end, facing the guide plate, of the steering baffle and used for stopping one corner of the materialbag and enabling the materia