Automatic high-pressure funnel screwing device of coffee machine

The utility model relates to an automatic screwing high-pressure funnel device of a coffee machine, which aims at solving the technical problems that the manual screwing operation of the funnel of the existing similar product is inconvenient, and the design of an automatic motor rotating sealing structure above the funnel is not good enough. A high-pressure sealing brewing head is arranged in an inner cavity of a brewing head fixing shell above a top cup opening of a funnel assembly of the device; the key point is that the high-pressure sealing brewing head is arranged at a bulge in the middle of the bottom of the brewing head, a sealing ring is arranged on the outer diameter of the high-pressure sealing brewing head, a microswitch is arranged on one side in a cup opening groove in the inner diameter of the bottom of the brewing head fixing shell, and when a cup opening in the top of the funnel assembly is screwed and fixed in the cup opening groove in the inner diameter of the bottom of the brewing head fixi