Metering bean grinding assembly

Abstract

The utility model relates to the technical field of grinding devices, in particular to a metering bean grinding assembly. Comprising a bean box and a grinding device, a top cover is arranged at the upper end of the grinding device, and the bean box is placed on the top cover; a supporting plate is arranged below the top cover, a weighing sensor and a plurality of positioning columns are arranged on the supporting plate, the supporting plate is connected with the top cover through the weighing sensor, and the positioning columns penetrate through the top cover to be connected with the bean box in a matched mode; according to the metering bean grinding assembly, the weighing sensor enables the supporting plate to be arranged below the top cover in a suspended mode, the supporting plate supports the bean box through the positioning columns, the weighing sensor bears the weight of the bean box and senses the weight change, and therefore a user can obtain the expected weight of coffee powder; the weighing sensor controls the action of the bean feeding assembly and controls the action of the grinding assembly, so that no residue exists in the grinding assembly, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a metering bean grinding component. Background Art

[0002] Traditional hand brewing involves weighing a specified amount of coffee beans on an electronic scale and then using a bean grinder to grind the specified amount of coffee beans into coffee powder, which is a cumbersome operation. At present, when using bean grinders and coffee machines on the market, the metering control of coffee powder is usually achieved through working time, that is, the number of grams of ground coffee powder is controlled according to the grinding efficiency of the coffee beans and the set time.

[0003] Chinese patent CN219249851U discloses an all-in-one coffee brewing machine, including a base, an electric kettle, a weighing module, a grinding module, a bean chamber, a filter cup with filter paper, and a coffee cup; wherein the electric kettle, the weighing module, and the grinding module are all installed on the base; the filter cup and the coffee cup can be detachably placed on the weighing module, and the filter cup is located directly above the coffee cup; the bean chamber is installed on the top of the grinding module; the grinding module has a powder outlet on the side facing the filter cup, the height of the powder outlet is higher than the height of the filter cup, and the powder outlet is equipped with a blocking and conveying door. After the weighing module obtains the set coffee powder, the grinding module stops working. There are residues of coffee beans and coffee powder in the passage between the bean chamber and the grinding module, as well as inside the grinding module. These residual coffee beans / powder are easily affected by moisture and deteriorate, affecting the next brewing, and cleaning is also troublesome. Therefore, the prior art needs to be improved and developed. Utility Model Content

[0004] The utility model aims to provide a metering bean grinding component which has a reasonable structure, can control the weight of ground powder, leaves no residue after grinding, and is easy to use, in view of the defects and shortcomings of the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] The utility model discloses a metering bean grinding assembly, comprising a bean box and a grinding device, wherein a top cover is provided at the upper end of the grinding device, and the bean box is placed on the top cover; a support plate is provided below the top cover, and a weighing sensor and a plurality of positioning columns are provided on the support plate, the support plate is connected to the top cover through the weighing sensor, and a plurality of the positioning columns pass through the top cover and are connected to the bean box in cooperation; the top cover is the upper end sealing plate of the bean grinder / coffee machine, the support plate is suspended below the top cover through the weighing sensor, and is arranged inside the bean grinder / coffee machine together with the grinding device, an opening is provided on the top cover to communicate with the bean box, and the coffee beans in the bean box can fall into the grinding device from the opening on the top cover for grinding. Further, the support plate is connected to the bottom of the bean box through a plurality of positioning columns, and the plurality of positioning columns support the bean box. It can be understood that the weighing sensor bears the weight of the support plate, the plurality of positioning columns and the bean box, so that based on the increase or decrease of the coffee beans in the bean box, the weighing sensor obtains the weight of the coffee beans entering the grinding device, thereby controlling the number of coffee beans entering the grinding device. Furthermore, the grinding device can grind all incoming coffee beans into powder, and avoid coffee beans / powder residue in the grinding device while obtaining the coffee powder weight expected by the user.

[0007] According to the above scheme, a plurality of countersunk holes are provided on the bottom plate of the bean box, and the upper ends of a plurality of positioning columns are inserted into the corresponding countersunk holes so that the bean box and the support plate are matched and connected. The bean box is placed flat on the top cover, and a plurality of positioning columns are inserted into the corresponding countersunk holes to ensure that the installation position of the bean box is accurate and to prevent the bean box from relative displacement and rotation with the top cover. It can be understood that the upper ends of the positioning columns are inserted into the countersunk holes so as to touch the bean box, and the weight of the bean box is transmitted to the weighing sensor via the positioning columns and the support plate.

[0008] According to the above scheme, a bean feeding assembly is provided on the bottom plate of the bean box, a driver is provided on the support plate, and the driver and the bean feeding assembly are transmission-connected. As described above, the coffee beans in the bean box can enter the grinding device through the opening on the top cover. To simplify the description, the weight change value of the coffee beans in the bean box is set to M. When the weight change sensed by the weighing sensor reaches the M value, a signal is sent to the controller of the grinder / coffee machine, and the controller turns off the driver to stop the bean feeding assembly from working, while the grinding device can continue to work to grind all the coffee beans to avoid coffee beans / powder residue.

[0009] According to the above scheme, the driver is provided with an output interface, the top cover is provided with a first through hole, the output interface is rotatably inserted into the first through hole, the bottom plate is provided with an input terminal, the input terminal is inserted into the first through hole and matched with the output interface, so that the driver can drive the bean feeding assembly. The driver adopts a motor, the main shaft of the motor is connected to the output interface, the input terminal is installed on the bottom plate through a bearing, the upper end of the input terminal is connected to the bean feeding assembly, and the lower end of the input terminal is adapted to the output interface so as to transmit power. When the bean box is placed on the top cover, the lower end of the input terminal is inserted into the first through hole to connect the output interface, and the driver drives the bean feeding assembly to gradually output the coffee beans in the bean box to the grinding device. When the weight change of the coffee beans in the bean box reaches the M value, the driver stops working.

[0010] According to the above scheme, a plurality of second through holes are provided on the top cover, and the plurality of second through holes are arranged around the first through hole at equal angular intervals, and a plurality of positioning posts are correspondingly passed through the plurality of second through holes. The second through holes are used to allow the positioning posts to pass through the top cover to support the bean box and transfer the weight of the bean box to the support plate, and the diameter of the second through holes is larger than the diameter of the positioning posts. Furthermore, the plurality of positioning posts and the second through holes are arranged around the first through hole, the input terminal is arranged concentrically with the first through hole, and the driver can drive the input terminal to rotate through the output interface. The plurality of countersunk holes are arranged in pairs with the corresponding second through holes. After the plurality of positioning posts and the countersunk holes are paired and connected, the bean box is prevented from rotating and displacing when torque is transmitted between the driver and the bean feeding assembly.

[0011] According to the above scheme, the bean feeding assembly includes a paddle, a bean feeding chamber and a bean outlet are provided on the bottom plate, and the bean feeding chamber is connected to the inner cavity of the bean box; a passage is provided between the bean feeding chamber and the bean outlet, and the paddle is rotatably provided in the bean feeding chamber, and the input terminal is fixedly connected to the paddle. The paddle has a plurality of blades, and the coffee beans in the bean box can fall between several blades of the paddle. The paddle rotates in the bean feeding chamber, squeezing and pushing a plurality of coffee beans from the passage into the bean outlet. It can be understood that the top cover has an opening that matches the bean outlet, so that the coffee beans that fall from the bean outlet fall into the grinding device.

[0012] According to the above scheme, a flexible door stopper is provided between the bean feeding chamber and the bean outlet, and one end of the flexible door stopper is fixedly connected to the bottom plate, so that the flexible door stopper can be movably arranged on the passage opening. When the paddle rotates, the coffee beans in the bean box are squeezed and pushed, and are pushed toward the passage opening under the tangential force of the blade. The preferred flexible door stopper can generate a resistance of about 5g, and the paddle pushes the coffee beans to overcome the resistance and fall into the grinding assembly through the passage opening and the bean outlet.

[0013] The utility model discloses a metering bean grinding assembly, wherein a weighing sensor suspends a support plate below a top cover, and the support plate supports the bean box through a positioning column, so that the weighing sensor bears the weight of the bean box and senses the weight change, thereby enabling the user to obtain the desired weight of coffee powder; the weighing sensor controls the action of the bean feeding assembly and the action of the grinding assembly, so that there is no residue in the grinding assembly, and the use is more convenient BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial cross-sectional schematic diagram of the utility model as a whole;

[0015] Figure 2 This is a schematic diagram of the bean box and the support plate split structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the surface structure of the top cover of the utility model;

[0017] Figure 4 This is a schematic diagram of the bean box bottom plate structure of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the bean feeding component of the utility model.

[0019] In the figure:

[0020] 1. Bean box; 2. Grinding device; 3. Support plate; 11. Countersunk hole; 12. Bottom plate; 13. Input terminal; 14. Paddle; 15. Bean feeding chamber; 16. Bean outlet; 17. Passageway; 18. Flexible door stop; 21. Top cover; 22. First through hole; 23. Second through hole; 24. Opening; 31. Weighing sensor; 32. Positioning column; 33. Driver; 34. Output interface. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is described below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1-5As shown, a metering bean-grinding assembly described in the utility model comprises a bean box 1 and a grinding device 2, wherein a top cover 21 is provided at the upper end of the grinding device 2, and the bean box 1 is placed on the top cover 21; a support plate 3 is provided below the top cover 21, and a weighing sensor 31 and a plurality of positioning posts 32 are provided on the support plate 3, the support plate 3 is connected to the top cover 21 through the weighing sensor 31, and a plurality of the positioning posts 32 pass through the top cover 21 and are matched and connected to the bean box 1; the top cover 21 is an upper end sealing plate of the bean grinder / coffee machine, the support plate 3 is suspended below the top cover 21 through the weighing sensor 31, and is arranged inside the bean grinder / coffee machine together with the grinding device 2, an opening is provided on the top cover 21 to communicate with the bean box 1, and the coffee beans in the bean box 1 can fall into the grinding device 2 from the opening on the top cover 21 for grinding. Furthermore, the support plate 3 is connected to the bottom of the bean box 1 through a plurality of positioning columns 32, and the plurality of positioning columns 32 support the bean box 1. It can be understood that the weighing sensor 31 bears the weight of the support plate 3, the plurality of positioning columns 32 and the bean box 1, so that based on the increase or decrease of coffee beans in the bean box 1, the weighing sensor 31 obtains the weight of coffee beans entering the grinding device 2, thereby controlling the number of coffee beans entering the grinding device 2. Furthermore, the grinding device 2 can grind all the coffee beans entering into powder, and avoid coffee beans / powder residue in the grinding device 2 on the premise of obtaining the weight of coffee powder expected by the user.

[0023] The bottom plate 12 of the bean box 1 is provided with a plurality of countersunk holes 11, and the upper ends of the plurality of positioning columns 32 are inserted into the corresponding countersunk holes 11 so that the bean box 1 is matched and connected with the support plate 3. The bean box 1 is placed flat on the top cover 21, and the plurality of positioning columns 32 are inserted into the corresponding countersunk holes 11 to ensure that the installation position of the bean box 1 is accurate and to prevent the bean box 1 from being displaced and rotated relative to the top cover 21. It can be understood that the upper ends of the positioning columns 32 are inserted into the countersunk holes 11 so as to contact the bean box 1, and the weight of the bean box 1 is transmitted to the weighing sensor 31 via the positioning columns 32 and the support plate 3.

[0024] The bottom plate 12 of the bean box 1 is provided with a bean feeding assembly, and the support plate 3 is provided with a driver 33, which is in transmission connection with the bean feeding assembly. As described above, the coffee beans in the bean box 1 can enter the grinding device 2 from the opening on the top cover 21. To simplify the description, the weight change value of the coffee beans in the bean box 1 is set to M. When the weight change sensed by the weighing sensor 31 reaches the M value, a signal is sent to the controller of the grinder / coffee machine, and the controller turns off the driver 33 to stop the bean feeding assembly from working, while the grinding device 2 can continue to work to grind all the coffee beans to avoid coffee beans / powder residue.

[0025] The driver 33 is provided with an output interface 34, the top cover 21 is provided with a first through hole 22, the output interface 34 is rotatably inserted into the first through hole 22, the bottom plate 12 is provided with an input terminal 13, the input terminal 13 is inserted into the first through hole 22 and matched with the output interface 34, so that the driver 33 can drive the bean feeding assembly. The driver 33 adopts a motor, the main shaft of the motor is connected to the output interface 34, the input terminal 13 is installed on the bottom plate 12 through a bearing, the upper end of the input terminal 13 is connected to the bean feeding assembly, and the lower end of the input terminal 13 is adapted to the output interface 34 so as to transmit power. When the bean box 1 is placed on the top cover 21, the lower end of the input terminal 13 is inserted into the first through hole 22 to connect the output interface 34, and the driver 33 drives the bean feeding assembly to gradually output the coffee beans in the bean box 1 to the grinding device 2. When the weight change of the coffee beans in the bean box 1 reaches the M value, the driver 33 stops working.

[0026] The top cover 21 is provided with a plurality of second through holes 23, which are arranged around the first through hole 22 at equal angles, and a plurality of positioning posts 32 are correspondingly arranged in the plurality of second through holes 23. The second through holes 23 are used to allow the positioning posts 32 to pass through the top cover 21 to support the bean box 1 and transfer the weight of the bean box 1 to the support plate 3. The diameter of the second through hole 23 is larger than the diameter of the positioning posts 32. Further, the plurality of positioning posts 32 and the second through holes 23 are arranged around the first through hole 22, the input terminal 13 is arranged concentrically with the first through hole 22, and the driver 33 can drive the input terminal 13 to rotate through the output interface 34. The plurality of countersunk holes 11 are arranged in pairs with the corresponding second through holes 23. After the plurality of positioning posts 32 and the countersunk holes 11 are matched and connected, the bean box 1 is prevented from rotating and displacing when the torque is transmitted between the driver 33 and the bean feeding assembly.

[0027] The bean feeding assembly includes a paddle 14, a bean feeding chamber 15 and a bean outlet 16 are provided on the bottom plate 12, and the bean feeding chamber 15 is connected to the inner chamber of the bean box 1; a passage 17 is provided between the bean feeding chamber 15 and the bean outlet 16, and the paddle 14 is rotatably provided in the bean feeding chamber 15, and the input terminal 13 is fixedly connected to the paddle 14. The paddle 14 has a plurality of blades, and the coffee beans in the bean box 1 can fall between several blades of the paddle 14. The paddle 14 rotates in the bean feeding chamber 15, squeezing and pushing a plurality of coffee beans into the bean outlet 16 from the passage 17. It can be understood that the top cover 21 has an opening 24 matched with the bean outlet 16, so that the coffee beans dropped from the bean outlet 16 fall into the grinding device 2.

[0028] A flexible door stopper 18 is provided between the bean feeding chamber 15 and the bean outlet 16, and one end of the flexible door stopper 18 is fixedly connected to the bottom plate 12, so that the flexible door stopper 18 can be movably arranged on the passage opening 17. When the paddle 14 rotates, the coffee beans in the bean box 1 are squeezed and pushed, and are pushed toward the passage opening 17 under the tangential force of the blade. The preferred flexible door stopper 18 can generate a resistance of about 5g, and the paddle 14 pushes the coffee beans to overcome the resistance and fall into the grinding assembly through the passage opening 17 and the bean outlet 16.

[0029] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A bean metering and grinding assembly, comprising a bean box and a grinding device, characterized in that: The upper end of the grinding device is provided with a top cover, and the bean box is placed on the top cover; A support plate is provided below the top cover, a weighing sensor and a plurality of positioning columns are provided on the support plate, the support plate is connected to the top cover via the weighing sensor, and a plurality of the positioning columns pass through the top cover and are cooperatively connected to the bean box.

2. The bean-measuring and grinding assembly according to claim 1, characterized in that: The bottom plate of the bean box is provided with a plurality of countersunk holes, and the upper ends of a plurality of positioning columns are plugged into the corresponding countersunk holes so that the bean box is matched and connected with the supporting plate.

3. The bean-measuring and grinding assembly according to claim 1, characterized in that: A bean feeding assembly is arranged on the bottom plate of the bean box, a driver is arranged on the supporting plate, and the driver is transmission-connected with the bean feeding assembly.

4. The bean-measuring and grinding assembly according to claim 3, characterized in that: The driver is provided with an output interface, the top cover is provided with a first through hole, the output interface is rotatably inserted into the first through hole, the bottom plate is provided with an input terminal, the input terminal is inserted into the first through hole and matched with the output interface, so that the driver can drive the bean feeding assembly.

5. The bean-measuring and grinding assembly according to claim 3, characterized in that: The top cover is provided with a plurality of second through holes, which are arranged around the first through hole at equal angular intervals, and a plurality of positioning posts are correspondingly passed through the plurality of second through holes.

6. The bean-measuring and grinding assembly according to claim 3, characterized in that: The bean feeding component includes a paddle, a bean feeding chamber and a bean outlet are arranged on the bottom plate, and the bean feeding chamber is connected with the inner cavity of the bean box; a passage is arranged between the bean feeding chamber and the bean outlet, the paddle is rotatably arranged in the bean feeding chamber, and the input terminal is fixedly connected to the paddle.

7. The bean-measuring and grinding assembly according to claim 6, characterized in that: A flexible door stopper is provided between the bean feeding chamber and the bean outlet, and one end of the flexible door stopper is fixedly connected to the bottom plate, so that the flexible door stopper can be movably arranged on the passage opening.

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