Material rack with bottom limiting function

The utility model relates to the technical field of material racks, and discloses a material rack with a bottom limiting function, the material rack comprises a first material rack and a second material rack, a group of rotating parts are welded to the inner wall of the first material rack at equal intervals, bearing contraction plates are rotatably mounted in the rotating parts, and a group of bottom limiting clamping seats are welded to the inner wall of the second material rack at equal intervals; adjusting mechanisms are arranged at the rear ends of the first material frame and the second material frame, each adjusting mechanism comprises a telescopic cylinder seat and a reverse thread rotating cylinder, supporting mechanisms are arranged at the bottoms of the first material frame and the second material frame, and each supporting mechanism comprises a supporting foot stand and a second fixing frame. According to the scheme, through the combined arrangement of the bearing contraction plate, the movable pl