Automatic bar straightener of unsmooth seamless formula

The utility model discloses an automatic bar straightener of unsmooth seamless formula, including leading -in material device, plastic mechanism, plastic mechanism includes installing support, concave plastic wheel and pinch roller, concave plastic wheel is installed on the installing support, is provided with the gradual change groove that lets the reinforcing bar pass through in the cambered surface of concave plastic wheel, and gradual change groove width degree is reduced to interior by outer gradually, the pinch roller just is used for compressing tightly the reinforcing bar at the gradual change inslot to gradual change groove installation. The utility model discloses an automatic bar straightener of unsmooth seamless formula utilizes concave plastic wheel and pinch roller to work in coordination to carry out the alignment to the reinforcing bar, its simple structure, and the alignment is effectual, and the alignment in -process can not harm the inner structure of reinforcing bar, guarantees that the pressure -bearing performance of reinforcing bar is unchangeable.