Efficient economic crop compound fertilizer production device

The utility model relates to the technical field of compound fertilizer production, and provides an efficient economic crop compound fertilizer production device which comprises a processing box, and two movable rods are jointly and rotationally connected to the front side and the rear side of the inner wall of the processing box. According to the utility model, raw materials can be poured from top to bottom, are crushed by contacting with the two crushing rollers driven by the driving structure, fall onto the screen after being crushed, are vibrated by the vibration motor and are screened by the elastic force of the spring, so that the finer and qualified raw materials fall into the material receiving frame, and the raw materials can be recycled. The unqualified raw materials stay on the screen, then an adjusting motor drives a lead screw to rotate, and the lead screw drives a moving plate in an adjusting structure to move upwards, so that the hollow frame and the screen are driven to incline, the unqualifie