Grinding machine for preparing coffee

Abstract

The utility model provides a grinding machine for preparing coffee, and relates to the technical field of coffee grinding machines, the grinding machine comprises a grinding box body and a brewing box body, the grinding box body is installed above the brewing box body, a motor is fixed on a shell at the top of the grinding box body, and the output end of the motor is connected with a transmission rod; and the transmission rod is inserted into the grinding box body through a preset through hole, a grinding bin is arranged in the grinding box body, a cylindrical grinding disc is installed in the grinding bin, and the transmission rod is connected to the side, close to the motor, of the cylindrical grinding disc. According to the coffee bean grinding device, the transmission rod is driven by the motor to rotate, so that the transmission rod drives the cylindrical grinding disc and the conical grinding disc to rotate at the same time, the cylindrical grinding disc is provided with a plurality of first grinding cutters which are tightly attached to the inner wall of the grinding bin, and coffee beans can be finely ground; and the second grinding cutter is also tightly attached to the discharging hopper, secondary grinding is conducted on the powder, and the grinding degree is effectively improved.

Description

Technical Field

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

[0002] Coffee beans cannot be brewed directly, they must be ground into powder before they can be brewed into drinkable coffee. A coffee grinder is an important tool for making high-quality coffee. It grinds coffee beans into coffee powder suitable for different brewing methods through fine processing.

[0003] In the prior art, many coffee grinders only use a simple grinding mechanism for grinding, which results in insufficient grinding and the formation of larger particles, which is not conducive to subsequent brewing. In addition, many coffee grinders lack brewing and filtering functions and require additional processing, which reduces the overall processing efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a grinder for preparing coffee to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a grinder for preparing coffee, comprising a grinding box and a brewing box, the grinding box is installed above the brewing box, a motor is fixed on the top outer shell of the grinding box, the output end of the motor is connected to a transmission rod, the transmission rod is inserted into the grinding box through a preset through hole, a grinding bin is provided inside the grinding box, a cylindrical grinding disc is installed inside the grinding bin, the cylindrical grinding disc is connected to the transmission rod on the side close to the motor, a conical grinding disc is provided on the side of the cylindrical grinding disc away from the transmission rod, a first grinding knife and a second grinding knife are respectively provided on the outer side of the cylindrical grinding disc and the bottom of the conical grinding disc.

[0006] Optionally, the first grinding knife and the second grinding knife are provided in plurality and are equidistantly distributed in a circular shape on the cylindrical grinding disc and the conical grinding disc.

[0007] Optionally, a feeding funnel is provided below the second grinding knife, a feeding port is provided at the lowest point of the feeding funnel, and a valve is installed on the feeding port.

[0008] Optionally, a brewing chamber is provided inside the brewing box, and a water heater is installed at the bottom of the brewing chamber.

[0009] Optionally, a filter cup is provided on the water heater, a large number of filter holes are provided on the outer shell of the filter cup, and the mouth of the filter cup is located directly below the valve.

[0010] Optionally, a water inlet is provided on an upper side of the brewing box body, and a liquid outlet is provided on a lower side of the brewing box body.

[0011] Optionally, a feed door is hingedly installed on the top of the grinding box.

[0012] Optionally, a handle is provided on the feed door.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, the transmission rod is driven to rotate by a motor, so that the transmission rod drives the cylindrical grinding disc and the conical grinding disc to rotate simultaneously. The cylindrical grinding disc is equipped with a plurality of first grinding knives, which are close to the inner wall of the grinding bin, and can grind the coffee beans finely. When the coffee bean powder passes through the first grinding knife, it falls onto the discharge funnel, and the second grinding knife is also close to the discharge funnel to grind the powder for the second time, which effectively improves the grinding degree.

[0015] 2. In the utility model, when the coffee powder falls into the filter cup, water and the coffee powder are mixed to form coffee liquid, which is filtered through the filter holes. At the same time, the water heater heats the coffee liquid in real time, thereby achieving real-time brewing and filtering after grinding without additional processing, thereby improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall stereogram of a grinder for preparing coffee provided by the utility model;

[0017] Figure 2 A partial three-dimensional diagram of the interior of a grinding chamber of a coffee grinder provided by the utility model;

[0018] Figure 3 A partial stereoscopic view of the interior of a grinding box of a coffee grinder provided by the utility model;

[0019] Figure 4 A partial stereoscopic diagram of a feed hopper structure of a grinder for preparing coffee provided by the utility model;

[0020] Figure 5 A partial stereoscopic view of the interior of a brewing box of a grinder for preparing coffee provided by the utility model;

[0021] Figure 6 This is a partial stereoscopic view of the interior of a brewing chamber of a grinder for preparing coffee provided by the utility model.

[0022] Legend:

[0023] 1. Grinding box; 2. Brewing box; 3. Feed door; 4. Motor; 5. Transmission rod; 6. Cylindrical grinding disc; 7. First grinding knife; 8. Grinding chamber; 9. Conical grinding disc; 10. Second grinding knife; 11. Feeding funnel; 12. Feeding port; 13. Valve; 14. Brewing chamber; 15. Filter cup; 16. Filter hole; 17. Water heater; 18. Water inlet; 19. Liquid outlet; 20. Handle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the utility model provides a technical solution: a grinder for preparing coffee, comprising a grinding box 1 and a brewing box 2, the grinding box 1 is installed above the brewing box 2, a motor 4 is fixed on the top outer shell of the grinding box 1, the output end of the motor 4 is connected to the transmission rod 5, the transmission rod 5 is inserted into the grinding box 1 through a preset through hole, a grinding bin 8 is provided inside the grinding box 1, a cylindrical grinding disc 6 is installed inside the grinding bin 8, the cylindrical grinding disc 6 is connected to the transmission rod 5 on the side close to the motor 4, a conical grinding disc 9 is provided on the side of the cylindrical grinding disc 6 away from the transmission rod 5, a first grinding knife 7 and a second grinding knife 10 are respectively provided on the outer side of the cylindrical grinding disc 6 and the bottom of the conical grinding disc 9, the first grinding knife 7 and the second grinding knife 10 are arranged in plurality, and are equidistantly distributed on the cylindrical grinding disc 6 and the conical grinding disc 9 in a circular shape.

[0027] In this embodiment, the transmission rod 5 is driven to rotate by the motor 4, so that the transmission rod 5 drives the cylindrical grinding disc 6 and the conical grinding disc 9 to rotate simultaneously. The cylindrical grinding disc 6 is equipped with a plurality of first grinding knives 7, which are close to the inner wall of the grinding bin 8, and can finely grind the coffee beans. When the coffee bean powder passes through the first grinding knife 7, it falls onto the discharge funnel 11. The second grinding knife 10 is also close to the discharge funnel 11 to perform secondary grinding on the powder, which effectively improves the grinding degree, so that the coffee beans become uniform and fine powder, which is conducive to subsequent brewing.

[0028] A feeding funnel 11 is provided below the second grinding knife 10, a feeding port 12 is provided at the lowest point of the feeding funnel 11, a valve 13 is installed on the feeding port 12, a brewing chamber 14 is provided inside the brewing box 2, a water heater 17 is installed at the bottom of the brewing chamber 14, a filter cup 15 is provided on the water heater 17, a large number of filter holes 16 are provided on the outer shell of the filter cup 15, and the cup mouth of the filter cup 15 is located directly below the valve 13.

[0029] In the present embodiment, the discharge funnel 11 cooperates with the discharge port 12 to facilitate the smooth dropping of the ground coffee powder into the brewing chamber 14. The valve 13 serves to open and close the grinding chamber 8. When the coffee powder falls into the filter cup 15, water and the coffee powder are mixed to form coffee liquid, which is filtered through the filter holes 16. At the same time, the water heater 17 heats the coffee liquid in real time, thereby realizing real-time brewing and filtering after grinding without additional processing, thereby improving processing efficiency. In addition, a loading slope that is mirrored with the conical grinding disc 9 is provided on the top of the cylindrical grinding disc 6, which facilitates the entry of coffee beans into the grinding chamber 8, thereby improving the processing efficiency of coffee beans.

[0030] A water inlet 18 is provided on the upper side of the brewing box body 2, a liquid outlet 19 is provided on the lower side of the brewing box body 2, and a feed door 3 is hingedly installed on the top of the grinding box body 1, and a handle 20 is installed on the feed door 3.

[0031] In this embodiment, external water can enter the brewing chamber 14 through the water inlet 18 to be mixed with coffee powder. The liquid outlet 19 is used to transport the brewed coffee liquid out of the brewing chamber 14. By opening the feed door 3, unprocessed coffee beans can be added into the grinding chamber 8. The handle 20 facilitates opening the feed door 3.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A grinder for preparing coffee, comprising a grinding box (1) and a brewing box (2), wherein the grinding box (1) is installed above the brewing box (2), and is characterized in that: A motor (4) is fixed on the top shell of the grinding box (1); the output end of the motor (4) is connected to a transmission rod (5); the transmission rod (5) is inserted into the grinding box (1) through a preset through hole; a grinding chamber (8) is provided inside the grinding box (1); a cylindrical grinding disc (6) is installed inside the grinding chamber (8); the cylindrical grinding disc (6) is connected to the transmission rod (5) on the side close to the motor (4); a conical grinding disc (9) is provided on the side of the cylindrical grinding disc (6) away from the transmission rod (5); a first grinding knife (7) and a second grinding knife (10) are provided on the outer side of the cylindrical grinding disc (6) and the bottom of the conical grinding disc (9), respectively.

2. A grinder for preparing coffee according to claim 1, characterized in that: The first grinding blade (7) and the second grinding blade (10) are arranged in plurality and are distributed in a circular shape and at equal intervals on the cylindrical grinding disc (6) and the conical grinding disc (9).

3. A grinder for preparing coffee according to claim 1, characterized in that: A material discharge funnel (11) is provided below the second grinding knife (10), a material discharge port (12) is provided at the lowest point of the material discharge funnel (11), and a valve (13) is installed on the material discharge port (12).

4. A grinder for preparing coffee according to claim 1, characterized in that: A brewing chamber (14) is provided inside the brewing box (2), and a water heater (17) is installed at the bottom of the brewing chamber (14).

5. A grinder for preparing coffee according to claim 4, characterized in that: The water heater (17) is provided with a filter cup (15), a large number of filter holes (16) are provided on the outer shell of the filter cup (15), and the mouth of the filter cup (15) is located directly below the valve (13).

6. A grinder for preparing coffee according to claim 1, characterized in that: The brewing box (2) is provided with a water inlet (18) on the upper side, and a liquid outlet (19) on the lower side.

7. A grinder for preparing coffee according to claim 1, characterized in that: A feeding door (3) is hingedly mounted on the top of the grinding box (1).

8. A grinder for preparing coffee according to claim 7, characterized in that: The feed door (3) is provided with a handle (20).

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