The invention relates to an automatic separation aligning device for tube rod finishing equipment. The device comprises an orbit 7; wherein a scaffolding 1, a baffle 4 and a separating device 5 are respectively arranged above the orbit 7; the baffle 4 and the separating device 5 are arranged on the same base 6; the bottoms of the baffle 4 and the separating device 5 are respectively provided withan hoist cylinder 2; the device automatically divides two tube rods sent synchronously and precisely transmits the tube rods to corresponding producing central lines; after processing, the device smoothly and automatically discharges the materials by the hoist cylinders 2; therefore, the device has simple structure, convenient application, high working efficiency and high automation realizability.