Domestic oil press

The utility model discloses a domestic oil press which mainly comprises a stander, a driving device, two pressing chambers, two pressing rods, and material inlets and oil outlets which are formed in the two pressing chambers, wherein the two pressing rods are correspondingly arranged in the two pressing chambers and are driven by the driving device; the pressing chambers are conical pipes; both the pressing rods are spiral conical rods; a rotary knife is arranged at the center of the vertical surface of one end, which is far away from the corresponding material inlet, of each pressing rod; the two pressing chambers are in fixed fit through a binding device, and gaps are formed in fit positions; an adjustable separation closing plate is arranged at each gap and is used for separating or combining the two pressing chamber. By the adoption of the two conical pressing chambers and the two conical spiral pressing rods, the domestic oil press can separate and combine the two pressing chambers through an automatic b