Suction and discharge device of granule conveyer

The utility model relates to a suction and discharge device of a granule conveyer, wherein a cylinder body is provided with a feed inlet and a discharging hole which are communicated with a feed pipe and a discharging pipe, the cavity of the cylinder body is similar to a ellipses, the two ends of the cylinder body are provided with end caps, and two angle rotors are arranged in the cylinder body, an eccentric wheel driven by a main shaft is arranged in the rotor, the rotation track of the rotor is determined by the rotation track of the surface of the eccentric wheel, the wheel surfaces on two axial ends of the eccentric wheel are respectively provided with bearings, the outer walls of the bearings are tightly attached to the inner wall of the rotor, and the eccentric wheel can drive the rotor to rotate through the bearing. As the slide friction between the wheel surface of the eccentric wheel and the inner wall of the rotor is changed into the rolling friction, the heating phenomenon of the rotor is improved