Material collecting device for steel bar straightening machine

The utility model relates to a material collecting device for a steel bar straightening machine, and relates to the technical field of steel bar machining. The steel bar collecting device comprises a supporting assembly used for supporting steel bars and a collecting assembly used for collecting the steel bars. The supporting assembly comprises angle steel and a plurality of supporting legs arranged at the bottom of the angle steel. The angle steel comprises a side plate and a bottom plate used for supporting steel bars, wherein the side plate and the bottom plate are integrally connected. The height of the bottom plate is the same as that of a discharging port of the steel bar straightening machine body. The supporting legs are distributed in the length direction of the bottom plate, and each supporting leg comprises a fixed section, a sliding section and a fixing piece used for fixing the positions of the fixed section and the sliding section. The end, away from the fixed section, of the sliding section is