Grinding machine capable of accurately metering

Abstract

The utility model discloses a grinding machine capable of accurately metering. The grinding machine comprises a shell, a grinding machine head and a bean bin, a grinding machine head is fixedly mounted at the top of the inner side of the shell, a mounting table is fixedly mounted at the top of the shell, a bean bin is fixedly mounted in the mounting table, a material receiving table is fixedly mounted at the bottom of the inner side of the shell, and a high-precision weighing sensor is mounted in the middle of the bottom of the material receiving table; a plurality of supporting frames are fixedly installed on the upper portion of the inner wall of the bean bin, a servo motor is fixedly installed in the middle of the interior of the bean bin through the supporting frames, a rotating rod is installed on an output shaft at the bottom of the servo motor in a transmission mode, and spiral blades are fixedly welded to the outer wall of the rotating rod. According to the coffee powder metering device, accurate metering of the powder outlet amount of coffee powder can be achieved through the high-precision weighing sensor, the metering precision is improved, the servo motor can drive the spiral blade to achieve active discharging of coffee beans, the discharging speed is uniform, and the coffee beans cannot block the discharging port in the discharging process.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee grinders, in particular to a grinder with accurate metering. Background Art

[0002] Coffee is a beverage made from roasted and ground coffee beans. As one of the world's three major beverages, it, together with cocoa and tea, is one of the main beverages popular in the world. Coffee beans are the plant fruits used to make coffee. Generally speaking, there are two types of coffee beans in the world, Arabica beans and Robusta beans. The fruit of coffee consists of two oval seeds opposite to each other. The side where they are connected is a flat joint surface, called flat beans. However, there are also those composed of a single round seed, called round beans, and their tastes are the same. In the process of making coffee, it is necessary to grind the coffee into powder by a grinder, and then extract the coffee liquid. The coffee grinder can cut and grind into coffee powder when the mechanical cutter rotates rapidly driven by a motor;

[0003] However, most of the existing grinders with accurate metering control the powder output of coffee powder through the timing of the equipment. However, this metering method is prone to large errors, thus affecting the accuracy and resulting in poor quality of the subsequent coffee liquid extraction. Secondly, the coffee beans in the bean bin all enter the machine head by natural falling. The feeding speed of the coffee beans is uneven, and the coffee beans are prone to jamming and blocking, affecting the normal progress of the grinding work. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the technical problems in the related art to some extent. For this purpose, an object of the utility model is to provide a grinder with accurate metering, which solves the problem that the existing coffee grinder cannot accurately measure and affects the quality of coffee liquid extraction, and can also solve the situation that the feeding speed of coffee beans is not uniform enough and the discharge port is prone to blockage due to the inability to actively feed.

[0005] A grinder with accurate metering according to the utility model includes a housing, a grinding head and a bean bin;

[0006] A grinding head is fixedly installed at the top inside the housing, an installation table is fixedly installed at the top of the housing, a bean bin is fixedly installed inside the installation table, a receiving table is fixedly installed at the bottom inside the housing, and a high-precision weighing sensor is installed in the middle at the bottom of the receiving table;

[0007] A plurality of groups of support frames are fixedly installed above the inner wall of the bean bin, a servo motor is fixedly installed in the middle of the bean bin through the support frames, a rotating rod is installed on the output shaft at the bottom of the servo motor through transmission, and a spiral blade is fixedly welded on the outer wall of the rotating rod.

[0008] Further, the bottom of the bean bin is integrally formed with a discharge port, and the discharge port is inserted into the feed port at the top of the grinding head.

[0009] Further, the spiral blade is inserted into the inside of the discharge port.

[0010] Further, a sealing cover is detachably installed at the top of the bean bin, and a handle is fixedly installed in the center of the top of the sealing cover.

[0011] Further, a rubber pad is installed in the center of the top of the material receiving table, and the rubber pad is fixedly pasted on the top of the material receiving table through glue.

[0012] Further, a control panel is fixedly installed at the front end of the inner bottom side of the housing, and control buttons and a display screen are integrated on the control panel.

[0013] Further, a motor and a grinding cutter head are arranged inside the grinding machine head, and the motor can drive the grinding cutter head to rotate to realize the grinding work of coffee beans.

[0014] In the present utility model, the quality of coffee powder can be monitored in real time through a high-precision weighing sensor, so that when the powder output reaches the set value, the device can be automatically stopped, high-precision metering can be achieved, and when the metering is more accurate, the extraction quality of coffee liquid can be effectively improved. And during this grinding process, the servo motor can drive the spiral blade to rotate uniformly and synchronously, so that the rotating spiral blade drives the coffee beans to be fed into the grinding machine head actively and uniformly, ensuring the feeding quality and effectively preventing the normal use of the grinding machine from being affected by blockage when the coffee beans are fed naturally. Description of the Drawings

[0015] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 is a schematic diagram of the overall structure of a grinding machine capable of accurate metering proposed by the present utility model.

[0017] Figure 2 is a schematic diagram of the bottom view structure of a grinding machine capable of accurate metering proposed by the present utility model.

[0018] Figure 3 is a schematic diagram of the sectional structure of the bean bin of a grinding machine capable of accurate metering proposed by the present utility model.

[0019] In the figure: 1, housing; 2, grinding machine head; 3, installation table; 4, bean bin; 5, material receiving table; 6, control panel; 7, rubber pad; 8, support frame; 9, servo motor; 10, rotating rod; 11, spiral blade; 12, discharge port; 13, sealing cover; 14, handle; 15, high-precision weighing sensor. Detailed Embodiments

[0020] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0021] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0022] Refer to Figure 1-2 , a grinder that can accurately measure, including a housing 1, a grinding head 2, and a bean bin 4;

[0023] A grinding head 2 is fixedly installed at the top inside the housing 1, an installation table 3 is fixedly installed at the top of the housing 1, a bean bin 4 is fixedly installed inside the installation table 3, the bean bin 4 is in the shape of a funnel with a wider top and a narrower bottom, a receiving table 5 is fixedly installed at the bottom inside the housing 1, and a high-precision weighing sensor 15 is centrally installed at the bottom of the receiving table 5. The high-precision weighing sensor 15 can measure the mass above the receiving table 5;

[0024] Among them, a rubber pad 7 is centrally installed at the top of the receiving table 5. The rubber pad 7 is circular and is fixedly pasted on the top of the receiving table 5 through glue. By setting the rubber pad, the placement of the cup during material receiving can be made more stable;

[0025] Secondly, a control panel 6 is fixedly installed at the front end of the bottom inside the housing 1. The control panel 6 is integrated with control buttons and a display screen, and a main control chip is provided inside the control panel 6 and is electrically connected to the high-precision weighing sensor 15. It can collect the data of the high-precision weighing sensor 15 in real time and can perform a tare operation when the receiving vessel is placed;

[0026] In addition, a discharge port 12 is integrally formed at the bottom of the bean bin 4. The discharge port 12 is inserted into the top feed port of the grinding head 2. An electric motor and a grinding cutter head are provided inside the grinding head 2, and the electric motor can drive the grinding cutter head to rotate to realize the grinding work of coffee beans;

[0027] In this embodiment, the bean bin 4 can hold coffee beans. The coffee beans can enter the inside of the grinding head 2 from the bean bin 4. Secondly, starting the grinding head 2 can make the internal electric motor drive the cutter head to grind the coffee beans. The ground coffee powder can be discharged at the bottom of the grinding head 2. A receiving vessel can be placed above the receiving table 5, and the weight can be monitored in real time through the high-precision weighing sensor 15. When the coffee powder is received to the set mass, the device can be automatically stopped, thus completing the work of accurate measurement.

[0028] Refer to Figure 3 , above the inner wall of the bean bin 4, several groups of support frames 8 are fixedly installed. Inside the bean bin 4, a servo motor 9 is fixedly installed in the center through the support frames 8. A protective housing is arranged outside the servo motor 9, and the servo motor 9 is vertically installed with the output shaft facing downwards. A rotating rod 10 is drivingly installed on the bottom output shaft of the servo motor 9. When the servo motor 9 is started, it can drive the rotating rod 10 to rotate. A spiral blade 11 is fixedly welded on the outer wall of the rotating rod 10;

[0029] Among them, the spiral blade 11 is inserted into the inside of the discharge port 12, and the diameter of the spiral blade 11 is the same as the inner diameter of the discharge port 12;

[0030] Secondly, a sealing cover 13 is detachably installed on the top of the bean bin 4. The sealing cover 13 is sealed through a sealing rubber ring arranged at the bottom. A handle 14 is fixedly installed in the center of the top of the sealing cover 13 to facilitate the opening and closing of the sealing cover 13;

[0031] In this embodiment, when the device is started, the servo motor 9 can start and stop synchronously. The servo motor 9 can drive the rotating rod 10 and the bottom spiral blade 11 to rotate. By using the spiral blade 11, the coffee beans can be evenly discharged from the discharge port 12, and the feeding speed of the coffee beans can be controlled to prevent the discharge port 12 from being blocked.

[0032] Working principle: First, the sealing cover 13 can be opened, and then the coffee beans are loaded into the bean bin 4. Then, the sealing cover 13 is closed to complete the storage work of the coffee beans. When grinding is required, first place the container for receiving coffee powder above the receiving table 5. At this time, the high-precision weighing sensor 15 can measure the mass of the container and automatically perform the tare operation. Then, the device can be started through the control panel 6. At this time, the device is powered on, and the servo motor 9 and the grinding head 2 are started synchronously. The servo motor 9 can drive the spiral blade 11 to rotate evenly at this time, so as to drive the coffee beans inside the bean bin 4 to be evenly transported from the discharge port 12 into the grinding head 2. Then, the cutter head inside the grinding head 2 is used to grind and crush the coffee beans. The crushed coffee powder can be discharged from the bottom outlet of the grinding head 2 and fall into the container. During the receiving process, the high-precision weighing sensor 15 can measure the mass in real time. When the mass reaches the set threshold, the device can automatically stop working. At this time, the coffee powder with a predetermined weight can be obtained, and the measurement is relatively accurate.

[0033] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A grinding machine capable of accurate measurement, characterized in that: It comprises a housing (1), a grinding head (2) and a bean bin (4); A grinding machine head (2) is fixedly mounted on the top of the inner side of the shell (1); a mounting platform (3) is fixedly mounted on the top of the shell (1); a bean bin (4) is fixedly mounted inside the mounting platform (3); a material receiving platform (5) is fixedly mounted on the bottom of the inner side of the shell (1); a high-precision weighing sensor (15) is mounted in the center of the bottom of the material receiving platform (5); A plurality of groups of support frames (8) are fixedly installed above the inner wall of the bean bin (4); a servo motor (9) is fixedly installed in the center of the bean bin (4) through the support frame (8); a rotating rod (10) is installed on the output shaft at the bottom of the servo motor (9); and a spiral blade (11) is fixedly welded to the outer wall of the rotating rod (10).

2. A grinding machine capable of accurate measurement according to claim 1, characterized in that: The bottom of the bean bin (4) is integrally formed with a discharge port (12), and the discharge port (12) is inserted into the feed port at the top of the grinding machine head (2).

3. A grinding machine capable of accurate measurement according to claim 2, characterized in that: The spiral blade (11) is inserted into the discharge port (12).

4. A grinding machine capable of accurate measurement according to claim 1, characterized in that: A sealing cover (13) is detachably mounted on the top of the bean bin (4), and a handle (14) is fixedly mounted in the center of the top of the sealing cover (13).

5. The grinding machine capable of accurate measurement according to claim 1, characterized in that: A rubber pad (7) is centrally installed on the top of the material receiving platform (5), and the rubber pad (7) is fixed to the top of the material receiving platform (5) by glue.

6. A grinding machine capable of accurate measurement according to claim 1, characterized in that: A control panel (6) is fixedly mounted on the front end of the bottom inner side of the housing (1), and control buttons and a display screen are integrated on the control panel (6).

7. The grinding machine capable of accurate measurement according to claim 1, characterized in that: The grinding machine head (2) is internally provided with a motor and a grinding cutter head, and the motor can drive the grinding cutter head to rotate to grind the coffee beans.

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