The invention relates to a device for extracting a cap (16) comprising a first part (2), a second part (3) which is movable with respect to the second part (2) which is provided with a space for the cap and defines the cap extracting position in a closed position thereof, an introduction and positioning part comprising the cap guiding elements (6, 7) which are arranged in such a way that it is possible to insert the cap by gravity force and position it in an intermediate position and a beverage pouring system (19) in which the second movable part (3) displaces the cap from the intermediate position to the extraction position.