Automatic change stock form box

The utility model discloses an automatic change stock form box, including box body and lid, its characterized in that: on the box body was fixed in the wall, the one end of box body and lid rotate to be connected, was equipped with winding shaft on box body upper portion, and the middle part is equipped with the paper extraction device, and the lower part is equipped with the exit slot, and the roll web passes through winding shaft movable mounting in the box body, and the paper extraction device is passed to stock form one end, and the exit slot of follow box body lower part stretches out. The utility model discloses simple structure, practical convenient, the leakproofness is good, sanitation and hygiene, and can be automatic go out paper and injects single note paper volume, avoids the wasting of resources.