Forward and reverse turning self-positioning stacking line body for workpieces

The utility model discloses a workpiece forward and reverse turning self-positioning stacking line body which comprises a vertical supporting frame, an automatic conveying unit and a discharging stacking unit. The vertical supporting frame is fixedly connected to the lower side of the conveying channel. The automatic conveying unit comprises conveying rollers, leather sheath wheels, a motor, a detection switch and a blocking frame, the left conveying roller and the right conveying roller are installed in the conveying channel, and the detection switch is embedded in the outer side of the circumference of each conveying roller; the unloading stacking units are installed on the left side and the right side of the stacking line body. The conveying direction of the workpiece can be automatically detected and recognized, the workpiece can be conveyed in two directions through positive and negative rotation of the motor, the workpiece can be automatically stopped and positioned by matching with the stopping device,