Beverage preparation machine

The utility model relates to the technical field of beverage preparation. The utility model relates to a beverage preparation machine. A cylindrical supporting seat is fixedly mounted in the center ofthe bottom surface of the crushing barrel body; a first limiting ring matched with the cylindrical supporting base is fixedly installed on the lower portion of the outer surface of the cylindrical supporting base in the circumferential direction. A cylindrical sleeve matched with the cylindrical supporting base is arranged outside the cylindrical supporting base in a sleeving mode. A second limiting ring corresponding to the first limiting ring is fixedly arranged on the inner surface of the cylindrical sleeve under the first limiting ring in the circumferential direction. A plurality of second springs are mounted between the first limiting ring and the second limiting ring; a limiting ring is fixedly installed on the surface of the top of the cylindrical sleeve through a screw, a rubbercylinder matched with the