The invention discloses an automatic coiler feeding machine, comprising a rack, wherein one end of the rack is a piping feeding end, and the other end of the rack is a discharging end; a first guide wheel group and a second guide wheel group are successively arranged between the feeding end and the discharging end; the second guide wheel group is connected with a longitudinal cylinder; the first guide wheel group is connected with a lateral cylinder which pushes the first guide wheel group along the piping forwarding direction; each guide wheel group comprises a bottom support and one pair ofguide wheels symmetrically installed on the bottom support; a base is provided with guide wheel mounting columns corresponding to the guide wheels; bearings are arranged between the guide wheels and the guide wheel mounting columns; the piping passes between the two guide wheels; the guide wheels mutually press the piping; the discharging end is provided with a cutter mechanism for cutting off the piping; the feeding end is provided with an eddy current flaw detector for detecting the welding line of the piping; the eddy current flaw detector is connected with the controller; and the controller controls the cutter mechanism to cut the piping in the welding line of the piping. According to automatic coiler feeding machine, coiler quality is improved, mechanical automation can be realized, labor force is saved, and the automatic coiler feeding machine has the advantages of high production efficiency and the like.