Screw press

The utility model provides a screw press, which comprises a pressing mechanism, a feeding mechanism and a discharging mechanism, the spiral shaft extends in the direction vertically penetrating through the discharging port, and the discharging port is used for discharging solid residues; the adjusting assembly is located on the side, close to the discharging opening, of the squeezing mechanism; the adjusting assembly comprises a connecting piece and a movable piece. The connecting piece is detachably connected to the side, close to the discharging port, of the spiral shaft. The movable part is movably connected to the outer wall of the connecting part in a sleeving mode, and the movable part can be inserted into or be away from the discharging opening along the outer wall of the connecting part so that the discharging size of the discharging opening can be adjusted. According to the screw press, the structure of the discharge port of the screw press is optimized, so that the technical problem of poor practica