A grinding machine includes a main machine body, a grinding device, a powder pressing device and a driving device, wherein the grinding device has a grinding housing mounted on the main machine body, and a grinding component arranged in the grinding housing; the powder pressing device has a powder receiving device and a powder pressing component; the driving device has a driver arranged on the main machine body, a first transmission shaft mounted on the grinding component, and a second transmission shaft mounted on the powder pressing component; the driver is in transmission connection with the first transmission shaft; the second transmission shaft is in transmission connection with the first transmission shaft; and the second transmission shaft is slidably mounted relative to the powder receiving device.

A coffee bean grinder comprising a housing and a cartridge. The housing may be configured to receive coffee beans. The cartridge may be removably couplable to the housing and include a cartridge base, a cartridge top, a grinding chamber, and a grinding device. The cartridge top may be removably coupled to the cartridge base. The grinding chamber may be defined between the cartridge base and the cartridge top. The grinding device may be positioned within the grinding chamber and configured to grind coffee beans received in the housing into coffee grounds.

A coffee bean grinder comprising a housing and a cartridge. The housing may be configured to receive coffee beans. The cartridge may be removably couplable to the housing and include a cartridge base, a cartridge top, a grinding chamber, and a grinding device. The cartridge top may be removably coupled to the cartridge base. The grinding chamber may be defined between the cartridge base and the cartridge top. The grinding device may be positioned within the grinding chamber and configured to grind coffee beans received in the housing into coffee grounds.

An automatic grinder and a grinding method thereof. The grinder includes a control structure and at least one material container assembly. The control structure includes a driving assembly and a connecting structure connected to the driving assembly. The material container assembly includes a material container body (20), a grinding head (22) fixedly connected to the material container body (20), and a grinding sleeve (25) rotatably connected to the grinding head (22). A recess (201) is provided on the material container body (20), and the connecting structure is engaged with the recess (201). The grinding head (22) is fitted into the grinding sleeve (25), and the grinding head (22) and the grinding sleeve (25) define therebetween a material compartment (40) for accommodating a material. The driving assembly drives, via the connecting structure, the material container body (20) to rotate. The material container body (20) drives the grinding head (22) to rotate. The grinding head (22) moves relative to the grinding sleeve (25), such that the material between the grinding head (22) and the grinding sleeve (25) is ground into powder. The automated grinder is provided with different grinding sleeves and grinding heads for grinding a variety of materials, and prevents the introduction of impurities during feeding, thereby preserving the original flavor of the material.

An automatic grinder and a grinding method thereof. The grinder includes a control structure and at least one material container assembly. The control structure includes a driving assembly and a connecting structure connected to the driving assembly. The material container assembly includes a material container body (20), a grinding head (22) fixedly connected to the material container body (20), and a grinding sleeve (25) rotatably connected to the grinding head (22). A recess (201) is provided on the material container body (20), and the connecting structure is engaged with the recess (201). The grinding head (22) is fitted into the grinding sleeve (25), and the grinding head (22) and the grinding sleeve (25) define therebetween a material compartment (40) for accommodating a material. The driving assembly drives, via the connecting structure, the material container body (20) to rotate. The material container body (20) drives the grinding head (22) to rotate. The grinding head (22) moves relative to the grinding sleeve (25), such that the material between the grinding head (22) and the grinding sleeve (25) is ground into powder. The automated grinder is provided with different grinding sleeves and grinding heads for grinding a variety of materials, and prevents the introduction of impurities during feeding, thereby preserving the original flavor of the material.

An automatic grinder and a grinding method thereof. The grinder includes a control structure and at least one material container assembly. The control structure includes a driving assembly and a connecting structure connected to the driving assembly. The material container assembly includes a material container body (20), a grinding head (22) fixedly connected to the material container body (20), and a grinding sleeve (25) rotatably connected to the grinding head (22). A recess (201) is provided on the material container body (20), and the connecting structure is engaged with the recess (201). The grinding head (22) is fitted into the grinding sleeve (25), and the grinding head (22) and the grinding sleeve (25) define therebetween a material compartment (40) for accommodating a material. The driving assembly drives, via the connecting structure, the material container body (20) to rotate. The material container body (20) drives the grinding head (22) to rotate. The grinding head (22) moves relative to the grinding sleeve (25), such that the material between the grinding head (22) and the grinding sleeve (25) is ground into powder. The automated grinder is provided with different grinding sleeves and grinding heads for grinding a variety of materials, and prevents the introduction of impurities during feeding, thereby preserving the original flavor of the material.

An automatic grinder and a grinding method thereof. The grinder includes a control structure and at least one material container assembly. The control structure includes a driving assembly and a connecting structure connected to the driving assembly. The material container assembly includes a material container body (20), a grinding head (22) fixedly connected to the material container body (20), and a grinding sleeve (25) rotatably connected to the grinding head (22). A recess (201) is provided on the material container body (20), and the connecting structure is engaged with the recess (201). The grinding head (22) is fitted into the grinding sleeve (25), and the grinding head (22) and the grinding sleeve (25) define therebetween a material compartment (40) for accommodating a material. The driving assembly drives, via the connecting structure, the material container body (20) to rotate. The material container body (20) drives the grinding head (22) to rotate. The grinding head (22) moves relative to the grinding sleeve (25), such that the material between the grinding head (22) and the grinding sleeve (25) is ground into powder. The automated grinder is provided with different grinding sleeves and grinding heads for grinding a variety of materials, and prevents the introduction of impurities during feeding, thereby preserving the original flavor of the material.

It is disclosed a hopper for a coffee grinder machine with a closing device comprising an actuation member, a shutter member, an actuation plane and a shutter plane, wherein the shutter plane is arranged below the actuation plane, wherein the shutter organ comprises: a single circular sector which is fixed with respect to the lower hopper portion, wherein the fixed circular sector comprises a central angle of less than 180 and a central hole; movable circular sectors pivoted at the central hole, wherein the movable circular sectors are rotatable between a first position in which the bottom opening is open and at least two of the sectors are substantially stacked one on top of the other in correspondence with the single fixed circular sector and a second position in which the lower opening is closed by the single fixed circular sector and by the mobile sectors arranged in a circumferential succession arrangement.

It is disclosed a hopper for a coffee grinder machine with a closing device comprising an actuation member, a shutter member, an actuation plane and a shutter plane, wherein the shutter plane is arranged below the actuation plane, wherein the shutter organ comprises: a single circular sector which is fixed with respect to the lower hopper portion, wherein the fixed circular sector comprises a central angle of less than 180 and a central hole; movable circular sectors pivoted at the central hole, wherein the movable circular sectors are rotatable between a first position in which the bottom opening is open and at least two of the sectors are substantially stacked one on top of the other in correspondence with the single fixed circular sector and a second position in which the lower opening is closed by the single fixed circular sector and by the mobile sectors arranged in a circumferential succession arrangement.

The invention relates to a coffee grinder having a grinding mechanism and having a housing, which acts as a holder for at least one bearing bracket, by means of which the at least one grinder element is mounted rotatably relative to the housing, and which has a filling opening for coffee beans to be ground. The coffee grinder is distinguished by the fact that the housing is manufactured from titanium or a titanium alloy.