Potato planter

The utility model discloses a potato planting machine aiming at providing a potato planting machine having a good stability of technical performance, high reliability, and convenient regulation. The utility model is comprised of a stander and a ditch opener, a fertilizer box, a sowing device, a vibratory, a potato planting box, a land wheel, an earth covering and edging spade, and an earth roller which are arranged on the stander. The vibrator is comprised of a square shaft, a pressing arm, a DC electric motor, a vibrating wheel, an eccentric shaft, and a component for regulating the tightness degree of the vibrating wheel. One end of the pressing arm is sleeved on the square shaft, while the other end of the pressing arm clamps the DC electric motor; an output shaft of the DC electric motor is provided with the eccentric shaft; the eccentric shaft is provided with the vibrating wheel through the supporting of a bearing; the vibrating wheel presses the surface of a conveyor belt; and the end of the square shaft is provided with the component for regulating the tightness degree of the vibrating wheel. The utility model is applicable for the work of potato planting.