1results about How to "Guaranteed Grinding" patented technology

The application discloses a multifunctional coffee machine, which comprises a shell, a grinding device, a powder pressing device and a brewing device arranged in the shell, the grinding device is communicated with the powder pressing device through a downward inclined channel, the brewing device comprises a water tank, a water pump, a heating module and a brewing opening, a metal sleeve is arranged in the grinding device, the metal sleeve can reduce the overall cost, ensure the high precision of the ground powder, prevent static electricity, and prevent powder sticking and flying, the powder pressing device is driven to rotate and move by a driving screw rod and a nut, the nut and the powder pressing part are connected through a guide rod and a compression spring, the powder pressing part is automatically rotated and pushed to press the powder, the elastic force of the compression spring ensures that the powder pressing force is basically constant, and therefore the taste of the brewed coffee is better, and the multifunction and automatic control can be realized from the grinding, the powder pressing to the brewing, the high requirements of the grinding and the powder pressing during the brewing of the coffee are ensured, and the coffee machine is simple, convenient and low in cost.