Efficient superfine grinding device for efficient and easy-to-absorb biological fertilizer

The utility model relates to the technical field of superfine grinding devices for biological fertilizer production, in particular to an efficient superfine grinding device for efficient and easy-to-absorb biological fertilizer, which comprises a machine body, a grinding mechanism, a maintenance mechanism and a feeding mechanism are arranged on the machine body, and a discharging pipe is arranged at one end of the machine body. The maintenance mechanism comprises a maintenance groove, supporting frames and a mounting plate, the supporting frames are mounted on the two sides of the machine body, the maintenance groove is formed in the top end of the machine body, a maintenance cover is arranged on the maintenance groove, supporting columns are arranged between the mounting plate and the two supporting frames, adjusting columns are arranged at the bottom end of the mounting plate, and the adjusting columns are arranged on the supporting frames. A lifting hole is formed in the adjusting column, the lifting hole