Multi-stage filtering device for essence

The utility model discloses a multistage filtering device for essence, which relates to the technical field of essence processing and comprises a box body, the top end of the box body is connected with a primary screening bin, a multistage screening unit is arranged in the box body, and the multistage filtering device is matched with a sliding rod and a filtering frame through a driving motor, a special-shaped gear and a connecting block. The three filtering frames can be driven to synchronously reciprocate in the box body, the filtering speed is increased, the filtering efficiency is improved, filtering holes in the inner bottom sides of the three filtering frames are gradually reduced, multi-stage filtering and screening of essence can be achieved, the filtering fineness degree is improved, and the essence production quality is improved; the fixing direction of the connecting arm can be adjusted through the connecting arm connected through the fixing screw, and the connecting arm is connected with the frame