Specialty coffee machine

Abstract

A specialty coffee machine, comprising a bean box assembly, a dosing cup and a dosing assembly, wherein the dosing assembly is configured to measure the weight of coffee beans in the dosing cup; the bean box assembly comprises a bean storage canister and an auger, an upper cover is detachably and fixedly connected to an upper end opening of the bean storage canister, the auger is rotationally arranged in a lower end opening of the bean storage canister, and the auger is driven by a driving mechanism to rotate; and the dosing cup is located below the bean storage canister. Under the action of rotation of the auger, coffee beans in the bean storage canister fall into the dosing cup from the lower end opening of the bean storage canister, the coffee beans in the dosing cup are measured by means of the dosing assembly, and after the dosing process and before grinding, a user can observe the appearance of the coffee beans in the dosing cup and remove defective beans, thereby monitoring the quality of the coffee beans to be ground, so as to ensure making specialty coffee.

Description

A boutique coffee machine Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a boutique coffee machine. Background Art

[0002] Existing coffee machines generally include a bean box and a grinding box assembly arranged above and below. A large amount of coffee beans is stored in the bean box, and the amount of beans output from the bean box is controlled according to the weight of the beans to be ground, so as to input a specific amount of coffee beans into the grinding box assembly.

[0003] For example, the Chinese invention application with publication number CN115721184A provides a grinding system, including a bean hopper assembly, a bean lowering assembly, a bean grinding assembly, a weighing assembly, and a controller, wherein the bean hopper assembly is connected to the bean lowering assembly, the weighing assembly is located between the bean lowering assembly and the bean grinding assembly, and both the bean grinding assembly and the bean lowering assembly are connected to the controller; the controller receives the weight of the object to be ground, and controls the operation of the bean lowering assembly according to the grinding coefficient and the weight of the object to be ground, so as to deliver the object to be ground of the weight to be ground to the bean grinding assembly; the bean grinding assembly grinds the object to be ground of the weight to be ground. Since defective beans caused by the roasting of coffee beans themselves have a great impact on the flavor of fine coffee, users need to weigh them first and then pick out the defective beans when brewing coffee accurately. Coffee beans may also deteriorate if stored in the bean hopper assembly for a long time, so it is necessary to monitor the quality of the coffee beans after weighing and before grinding. When using the above-mentioned grinding system, the user will pour a large amount of coffee beans into the bean hopper assembly. The coffee beans in the bean hopper assembly will directly fall into the bean grinding assembly after passing through the bean loading assembly and the weighing assembly for grinding. It is impossible to monitor the quality of the coffee beans after weighing and before grinding.

[0004] Therefore, the existing technology has a large room for improvement. Technical Solutions

[0005] The purpose of the utility model is to remedy the deficiencies of the prior art and to propose a boutique coffee machine. After weighing and before grinding, the user can observe the appearance of the coffee beans in the measuring cup, pick out defective beans, and monitor the quality of the coffee beans to be ground, thereby ensuring that boutique coffee is obtained.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0007] The utility model provides a boutique coffee machine, comprising a bean box assembly, a weighing cup and a weighing assembly, wherein the weighing assembly is used to weigh the coffee beans in the weighing cup; the bean box assembly comprises a bean storage tank and a screw, the upper end opening of the bean storage tank is detachably and fixedly connected to an upper cover, the lower end opening of the bean storage tank is rotatably provided with the screw, and the screw is driven to rotate by a driving mechanism; the weighing cup is located below the bean storage tank.

[0008] Under the action of the screw rotation, the coffee beans in the bean storage tank fall into the weighing cup from the lower end opening of the bean storage tank. The coffee beans in the measuring cup are weighed by the weighing component. After weighing and before grinding, the user can observe the appearance of the coffee beans in the measuring cup, select defective beans, and monitor the quality of the coffee beans to be ground, thereby ensuring that fine coffee is obtained.

[0009] According to the above solution, the bean box assembly also includes a screw connecting shaft, on which a screw support frame is rotatably sleeved, and the screw support frame is fixed in the bean storage tank; the lower end of the screw connecting shaft is fixedly connected to the screw, and the upper end of the screw connecting shaft is transmission-connected to the drive mechanism.

[0010] Through the above-mentioned structural arrangement, the driving mechanism drives the screw connecting shaft to rotate, thereby driving the screw to rotate; the screw connecting shaft rotates in the screw supporting frame, which is conducive to reducing the vibration generated by the rotation.

[0011] According to the above solution, the upper and lower ends of the screw connecting shaft are respectively provided with bearings, and the screw connecting shaft is rotatably connected to the screw supporting frame through the bearings.

[0012] By providing two bearings, the vibration generated by the rotation can be further reduced.

[0013] According to the above scheme, the driving mechanism includes a driving motor, a motor connecting shaft and a connecting head. The driving motor is fixed on the upper cover, the output shaft of the driving motor is fixedly connected to the motor connecting shaft, the connecting head is fixed to the upper end of the screw connecting shaft, and the motor connecting shaft is radially limited to the connecting head.

[0014] Through the above structural arrangement, the driving motor controls the rotation of the connector through the motor connecting shaft, thereby driving the screw connecting shaft to rotate.

[0015] According to the above solution, a limiting groove is provided on the outer peripheral side of the motor connecting shaft, and a limiting protrusion block is provided on the connecting head to cooperate with the limiting groove.

[0016] With the above-mentioned structural arrangement, after the upper cover is separated from the bean storage tank, the connecting head can be separated from the motor connecting shaft by moving the bean storage tank downward.

[0017] According to the above solution, a flexible door stop that can be opened and closed is provided on the lower opening of the bean storage tank.

[0018] The flexible door stop is made of a relatively flexible material, typically silicone rubber with a Rockwell hardness of 55. As the screw rotates, the coffee beans in the lower opening of the bean hopper push down against the flexible door stop, overcoming its slight resistance and forcing it open. The coffee beans fall into the weighing cup, where they are weighed by the weighing unit. When the screw stops, the flexible door stop returns to its original position, sealing the lower opening of the bean hopper, preventing further coffee beans from falling into the weighing cup and simultaneously sealing the beans stored inside.

[0019] According to the above solution, the flexible door stop includes a blocking piece, which is cut into a plurality of blocking petals, and the gap between adjacent blocking petals is less than 3 mm.

[0020] The gap between adjacent sealing petals is set to less than 3mm, making it much smaller than the size of a coffee bean. Therefore, unless the sealing petals are squeezed, the coffee beans cannot be squeezed out of the gap. When the screw rotates, the coffee beans in the lower opening of the bean storage tank press downward against the sealing petals, causing them to expand and squeeze out from between the sealing petals.

[0021] According to the above solution, a magnet is fixed on the outer peripheral side of the lower end opening of the bean storage tank, a magnet is fixed on the inner peripheral side of the weighing cup, and the weighing cup is arranged on the lower end opening of the bean storage tank through the magnet adsorption cover.

[0022] When the weighing cup is not used for weighing, the adsorption cover can be placed on the lower end opening of the bean storage tank to seal the coffee beans stored in the bean storage tank and prevent the coffee beans from getting damp.

[0023] According to the above solution, a plurality of latches are provided in the upper opening of the bean storage tank, and a plurality of latch grooves for buckling with the latches are provided on the upper cover.

[0024] According to the above solution, it also includes a bean grinding assembly, a coffee pot and a watering assembly. The bean grinding assembly is arranged above the bean box assembly, the powder outlet of the bean grinding assembly is staggered laterally from the bean box assembly, and the watering assembly is used to spray hot water into the coffee pot.

[0025] By positioning the bean grinding assembly above the bean container assembly and laterally staggering the bean grinding assembly's powder outlet from the bean container assembly, the grinding assembly and the bean container assembly avoid interference, while also improving the compactness of the device. The bean grinding assembly grinds the coffee beans to produce ground coffee, which is then collected by a coffee pot placed beneath the powder outlet of the grinding assembly. The coffee pot is then placed beneath the watering assembly, which sprays hot water into the coffee pot to complete the coffee brewing process. Beneficial effects

[0026] The beneficial effects of the present invention are:

[0027] The utility model configures a boutique coffee machine so that, under the action of the rotation of the screw, the coffee beans in the bean storage tank fall into the weighing cup from the lower end opening of the bean storage tank, and the coffee beans in the measuring cup are weighed by the weighing component. After the weighing is completed and before grinding, the user can observe the appearance of the coffee beans in the measuring cup, select defective beans, and monitor the quality of the coffee beans to be ground, thereby ensuring that boutique coffee is obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic structural diagram of the present invention;

[0029] Figure 2 is a second structural diagram of the present invention;

[0030] Figure 3 is a schematic structural diagram of the present invention;

[0031] FIG4 is a schematic diagram of the structure of the bean box assembly of the present invention;

[0032] Figure 5 is a second structural diagram of the bean box assembly of the present invention;

[0033] FIG6 is a schematic diagram of the structure of the bean box assembly of the present invention;

[0034] 7 is a schematic diagram of the connection between the screw connecting shaft and the screw support frame of the utility model;

[0035] FIG8 is a schematic structural diagram of the flexible door stop according to the present invention.

[0036] In the figure: 1. Bean box assembly; 11. Bean storage tank; 111. Latch; 112. Magnet; 12. Screw; 13. Upper cover; 131. Latch groove; 14. Screw connecting shaft; 141. Bearing; 15. Screw support frame; 16. Drive motor; 161. Motor connecting shaft; 1611. Limit groove; 162. Connector; 1621. Limit protrusion; 17. Flexible door stop; 171. Blocking petal; 2. Weighing cup; 3. Weighing assembly; 4. Bean grinding assembly; 41. Powder outlet; 5. Coffee pot; 6. Sprinkler assembly. Best Mode for Carrying Out the Invention

[0037] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0038] As shown in Figures 1-8, the present invention provides a boutique coffee machine, including a bean box assembly 1, a weighing cup 2 and a weighing assembly 3, wherein the weighing assembly 3 is used to weigh the coffee beans in the weighing cup 2; the bean box assembly 1 includes a bean storage tank 11 and a screw 12, the upper end opening of the bean storage tank 11 is detachably and fixedly connected to an upper cover 13, and the screw 12 is rotatably arranged in the lower end opening of the bean storage tank 11, and the screw 12 is driven to rotate by a driving mechanism; the weighing cup 2 is located below the bean storage tank 11.

[0039] Under the action of the rotation of the screw 12, the coffee beans in the bean storage tank 11 fall into the weighing cup 2 from the lower end opening of the bean storage tank 11, and the coffee beans in the measuring cup 2 are weighed by the weighing component. After weighing and before grinding, the user can observe the appearance of the coffee beans in the measuring cup 2, select defective beans, and monitor the quality of the coffee beans to be ground, thereby ensuring that high-quality coffee is obtained.

[0040] Furthermore, the bean box assembly 1 also includes a screw connecting shaft 14, on which a screw support frame 15 is rotatably sleeved, and the screw support frame 15 is fixed in the bean storage tank 11; the lower end of the screw connecting shaft 14 is fixedly connected to the screw 12, and the upper end of the screw connecting shaft 14 is transmission-connected to the driving mechanism.

[0041] Through the above-mentioned structural arrangement, the driving mechanism drives the screw connecting shaft 14 to rotate, thereby driving the screw 12 to rotate; the screw connecting shaft 14 rotates in the screw supporting frame 15, which is conducive to reducing the vibration generated by the rotation.

[0042] Furthermore, as shown in FIG. 7 , the upper and lower ends of the screw connecting shaft 14 are respectively sleeved with bearings 141 , and the screw connecting shaft 14 is rotatably connected to the screw supporting frame 15 via the bearings 141 .

[0043] By providing two bearings 141 , the vibration generated by the rotation can be further reduced.

[0044] Furthermore, the driving mechanism includes a driving motor 16, a motor connecting shaft 161 and a connecting head 162. The driving motor 16 is fixed on the upper cover 13. The output shaft of the driving motor 16 is fixedly connected to the motor connecting shaft 161. The connecting head 162 is fixed to the upper end of the screw connecting shaft 14. The motor connecting shaft 161 and the connecting head 162 are radially limited and connected.

[0045] Through the above-mentioned structural arrangement, the driving motor 16 controls the connection head 162 to rotate via the motor connection shaft 161 , thereby driving the screw connection shaft 14 to rotate.

[0046] Furthermore, a limiting groove 1611 is provided on the outer circumference of the motor connecting shaft 161 , and a limiting protrusion 1621 is provided on the connecting head 162 to cooperate with the limiting groove 1611 .

[0047] With the above-mentioned structural arrangement, after the upper cover 13 is separated from the bean storage tank 11 , the bean storage tank 11 can be moved downward to separate the connector 162 from the motor connecting shaft 161 .

[0048] Furthermore, a flexible door stop that can be opened and closed is provided on the lower opening of the bean storage tank 11.

[0049] Flexible door stop 17 is made of a relatively flexible material, typically silicone rubber with a Rockwell hardness of 55. As screw 12 rotates, the coffee beans in the lower opening of bean jar 11 push downward against flexible door stop 17, overcoming its slight resistance and forcing it open. The coffee beans fall into weighing cup 2, where they are weighed by the weighing unit. When screw 12 stops rotating, flexible door stop 17 returns to its original position, sealing the lower opening of bean jar 11 and preventing further coffee beans from falling into weighing cup 2. This also seals the coffee beans stored in bean jar 11.

[0050] Furthermore, as shown in FIG8 , the flexible door stop 17 includes a blocking piece, which is cut into a plurality of blocking petals 171 , and a gap between adjacent blocking petals 171 is less than 3 mm.

[0051] The gap between adjacent sealing petals 171 is set to less than 3 mm, making it much smaller than the size of a coffee bean. Therefore, unless the sealing petals 171 are squeezed, the coffee beans cannot be squeezed out of the gap. When the screw 12 rotates, the coffee beans in the lower opening of the bean storage tank 11 press the sealing petals 171 downward, causing the sealing petals 171 to expand, allowing the coffee beans to squeeze out from between the sealing petals 171.

[0052] Furthermore, a magnet 112 is fixed to the outer peripheral side of the lower opening of the bean storage tank 11, and a magnet 112 is fixed to the inner peripheral side of the weighing cup 2. The weighing cup 2 is adsorbed and covered on the lower opening of the bean storage tank 11 by the magnet 112.

[0053] When the weighing cup 2 is not used for weighing, its adsorption cover can be set on the lower end opening of the bean storage tank 11 to seal the coffee beans stored in the bean storage tank 11 and prevent the coffee beans from getting damp.

[0054] Furthermore, a plurality of latches 111 are provided in the upper opening of the bean storage tank 11 , and a plurality of latch grooves 131 for buckling with the latches 111 are provided on the upper cover 13 .

[0055] Furthermore, the coffee machine further includes a bean grinding assembly 4, a coffee pot 5, and a watering assembly 6. The bean grinding assembly 4 is arranged above the bean box assembly 1, and the powder outlet 41 of the bean grinding assembly 4 is staggered laterally from the bean box assembly 1. The watering assembly 6 is used to spray hot water into the coffee pot 5.

[0056] By positioning the bean grinding assembly 4 above the bean container assembly 1 and laterally offsetting its powder outlet 41 from the bean container assembly 1, the grinding assembly 4 and the bean container assembly 1 do not interfere with each other, while also improving the compactness of the device. The bean grinding assembly 4 grinds the coffee beans to produce ground coffee. The coffee pot 5 is then placed below the powder outlet 41 of the grinding assembly 4 to receive the ground coffee. The coffee pot 5 is then placed below the watering assembly 6, which sprays hot water into the coffee pot 5 to complete the coffee brewing process.

[0057] When the boutique coffee machine of the present invention is working, first pour a large amount of coffee beans into the bean storage tank 11, put the weighing cup 2 on the weighing assembly and under the bean storage tank 11, then move the bean storage tank 11 upward so that the limiting protrusion 1621 on the connecting head 162 is inserted upward into the limiting groove 1611 of the motor connecting shaft 161, and then rotate the bean storage tank 11 so that the snap 111 is inserted into the snap groove 131 to complete the installation of the bean box assembly 1; turn on the driving motor 16, and control the connection head 162 to rotate through the motor connecting shaft 161, thereby driving the screw connecting shaft 14 and the screw 12 to rotate. The coffee beans in the lower end opening of the bean storage tank 11 will press the blocking petals 171 on the flexible door stop 17 downward under the action of the screw 12, and each blocking petal 171 is stretched open, so that the coffee beans are squeezed out from between the blocking petals 171. and fall into the weighing cup 2; the weighing assembly weighs the coffee beans in the weighing cup 2, and when the preset weight is reached, the drive motor 16 is turned off, and the blocking petal 171 is reset so that the coffee beans cannot continue to be discharged from the lower end opening of the bean storage tank 11; the appearance of the coffee beans in the weighing cup 2 is observed, and defective beans are selected. After confirming that the coffee beans have no quality problems, the coffee beans are moved into the bean grinding assembly 4; the adsorption cover of the weighing cup 2 is set on the lower end opening of the bean storage tank 11 to seal the coffee beans stored in the bean storage tank 11; then the coffee pot 5 is placed under the powder outlet 41 of the bean grinding assembly 4, and the grinding mechanism of the bean grinding assembly 4 is turned on. After the bean grinding assembly 4 completes grinding, the coffee powder falls into the coffee pot 5 from the powder outlet 41; the coffee pot 5 containing the coffee powder is placed under the sprinkler assembly 6, and the sprinkler assembly 6 sprays hot water into the coffee pot 5 to complete the coffee brewing.

[0058] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A boutique coffee machine, characterized in that: It includes a bean box assembly, a weighing cup and a weighing assembly, wherein the weighing assembly is used to weigh the coffee beans in the weighing cup; The bean box assembly includes a bean storage tank and a screw, wherein the upper end opening of the bean storage tank is detachably fixedly connected to an upper cover, and the lower end opening of the bean storage tank is rotatably provided with the screw, and the screw is driven to rotate by a driving mechanism; The weighing cup is located below the bean storage tank.

2. The boutique coffee machine according to claim 1, characterized in that: The bean box assembly also includes a screw connecting shaft, on which a screw support frame is rotatably sleeved, and the screw support frame is fixed in the bean storage tank; the lower end of the screw connecting shaft is fixedly connected to the screw, and the upper end of the screw connecting shaft is transmission-connected to the driving mechanism.

3. The boutique coffee machine according to claim 2, characterized in that: The upper and lower ends of the screw connecting shaft are respectively sleeved with bearings, and the screw connecting shaft is rotatably connected to the screw supporting frame through the bearings.

4. The boutique coffee machine according to claim 2, characterized in that: The driving mechanism includes a driving motor, a motor connecting shaft and a connecting head. The driving motor is fixed on the upper cover, the output shaft of the driving motor is fixedly connected to the motor connecting shaft, the connecting head is fixed to the upper end of the screw connecting shaft, and the motor connecting shaft is radially limited to the connecting head.

5. The boutique coffee machine according to claim 4, characterized in that: A limiting groove is provided on the outer circumference of the motor connecting shaft, and a limiting protrusion is provided on the connecting head to cooperate with the limiting groove.

6. The boutique coffee machine according to claim 1, characterized in that: A flexible door stop that can be opened and closed is provided on the lower opening of the bean storage tank.

7. The specialty coffee machine according to claim 6, characterized in that: The flexible door stop comprises a blocking piece, which is cut into a plurality of blocking petals, and a gap between adjacent blocking petals is less than 3 mm.

8. The boutique coffee machine according to claim 1, characterized in that: A magnet is fixed on the outer peripheral side of the lower end opening of the bean storage tank, a magnet is fixed on the inner peripheral side of the weighing cup, and the weighing cup is arranged on the lower end opening of the bean storage tank through the magnet adsorption cover.

9. The boutique coffee machine according to claim 1, characterized in that: A plurality of latches are provided in the upper opening of the bean storage tank, and a plurality of latch grooves for buckling with the latches are provided on the upper cover.

10. The specialty coffee machine according to claim 1, characterized in that: The coffee machine further comprises a bean grinding assembly, a coffee pot and a watering assembly. The bean grinding assembly is arranged above the bean box assembly. The powder outlet of the bean grinding assembly is staggered with the bean box assembly in the horizontal direction. The watering assembly is used to spray hot water into the coffee pot.

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