The invention discloses a conveniently adjustable feeder, which comprises a base, a support base and a feeding pipeline. A first motor is arranged in the middle of the upper side of the base, and a first rotating shaft is arranged at the output end of the first motor. The upper end of the first rotating shaft It is connected with the lower side of the support seat in the middle, the upper side of the base is provided with a lower annular seat, the lower side of the support seat is provided with an upper annular seat, and the upper side of the lower annular seat and the lower side of the upper annular seat are symmetrically provided with annular chute , a number of balls are arranged in the annular chute, support rods are symmetrically arranged on the upper side of the support seat, a threaded rod is arranged on the upper end of the support rod, a second motor is arranged in the middle of the upper side of the support seat, and the output end of the second motor is arranged There is a second rotating shaft, the upper end of the second rotating shaft is provided with a driving wheel, the outer side of the supporting rod is provided with a driven wheel, the driving wheel and the driven wheel are connected by a belt, and the feeding pipe is arranged at the upper end of the threaded rod. The invention has the advantages of simple structure, convenient use, height adjustment, rotation alignment and stable feeding.