Farm organic fertilizer processing and crushing device

The utility model provides a farm organic fertilizer processing and smashing device which comprises a box body, a feeding port is formed in the upper end face of the box body, a smashing machine is arranged at the lower end of the feeding port, a conveying port and a discharging port are formed in the upper end face and the lower end face of the smashing machine respectively, and a screen plate is fixed to the inner wall of the box body and comprises an installation frame, a screen mesh, a rotary drum and a fixing disc. A lifting rod is fixed in the box body; connecting rods are symmetrically mounted on the upper end surface of the lifting rod; a motor is mounted on the left end surface of the box body; a rotating shaft is fixed at the output end of the motor; according to the fertilizer screening device, through the roller and the lifting rod, smashed fertilizer cannot be stacked on the screening plate during screening, unqualified waste can be recycled, and secondary smashing can be carried out conveniently