Feed straightening device of bare copper bar

The utility model relates to a feed straightening device of a bare copper bar. At least more than two front fixed rollers the peripheries of which are provided with concave arc grooves are arranged on a front fixed seat; a front movable seat is arranged in a front guide-track groove on one side of the front fixed seat and provided with more than one front movable roller the periphery of which is provided with a concave arc groove; the front movable roller and the front fixed roller are arranged in a staggered way; a transverse adjusting screw rod arranged on the front fixed seat supports against the front movable seat; at least more than two rear fixed rollers the peripheries of which are provided with concave arc grooves are arranged on a rear fixed seat; a rear movable seat is arranged in a rear guide-track groove on one side of the rear fixed seat and provided with more than one front movable roller which is staggered with the rear fixed wheel; a longitudinal adjusting screw rod arranged on the rear fixed seat supports against the rear movable seat; and the front fixed seat and the rear fixed seat are sequentially arranged on a stand. The utility model can cause the copper bar to be smoothly extruded into an extruder and can adjust the adjusting straightening force.