Bar draw gear

The invention discloses a bar draw gear, and belongs to the field of bar processing, which solves the technical problem that in the prior art, the bar draw gear is complicated in structure and only can deliver a single-specification bar. The bar draw gear comprises a bracket and a drawing roll subassembly, wherein the drawing roll subassembly comprises an upper drawing roll, a lower drawing roll and a driving device driving the lower driving roll to be rotated; an upper bearing is mounted on a rotating shaft of the upper drawing roll; a lower bearing is mounted on a rotating shaft of the lower drawing roll; two support plates are arranged on the bracket at intervals; mounting grooves are formed in the opposite sides of the support plates in the height directions of the support plates; the upper bearing and the lower bearing are mounted in the mounting grooves at intervals up and down; an elastic element is arranged between the upper bearing and the lower bearing; regulating elements capable of going up and down are arranged at the top parts of the support plates, and push down the top part of the upper bearing. The bar draw gear disclosed by the invention is applied to draw and feed of the bar.