Cutter head assembly for grinding coffee

Abstract

The utility model provides a cutterhead assembly for grinding coffee, which comprises an inner cutter core and an outer cutterhead, and the periphery of the inner cutter core is provided with a first diversion trench, a first outer tooth and a second outer tooth which are inclined upwards and are arranged in a surrounding manner; the inner wall of the outer cutter head is provided with a second flow guide groove, first inner teeth and second inner teeth which are obliquely and downwards arranged in a surrounding mode. A first grinding space is formed between the first flow guide groove and the second flow guide groove, a second grinding space is formed between the first outer teeth and the first inner teeth, and a third grinding space is formed between the second outer teeth and the second inner ruler. Compared with the prior art, coffee beans fall between the first flow guide groove and the second flow guide groove more smoothly and more uniformly, so that the bean feeding speed and stability are greatly improved, the coffee beans are ground through the first grinding space, the second grinding space and the third grinding space, ground coffee powder can be more uniform and more stable, and the grinding efficiency is improved. Therefore, the fragrant and espresso coffee with better taste is extracted.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee grinding, in particular to a knife disc assembly for grinding coffee. Background Art

[0002] Coffee is a favorite drink for many people nowadays. Drinking coffee can refresh your mind and improve your work efficiency. Coffee drinks are also often used as leisure drinks and can be consumed at parties or entertainment. Coffee also has the effects of sobering up, diuresis and dehumidification. To make coffee drinks, you need to grind coffee beans into coffee powder first. Therefore, a good grinding device is very important for the quality of coffee powder and will also affect the taste of coffee drinks.

[0003] The coffee bean grinders and automatic coffee bean grinders currently on the market have imperfect grinding teeth and tooth groove structures of the grinding tools, which are prone to jamming when feeding beans, resulting in uneven ground particles and coarse grinding of the powder, which affects the taste and mouthfeel of the coffee. Utility Model Content

[0004] The utility model aims to provide a knife disc assembly for grinding coffee, aiming to solve the problem in the prior art that coffee beans are easily stuck when being put in, resulting in uneven ground particles.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a knife disc assembly for grinding coffee, comprising: an inner knife core, the outer periphery of the inner knife core is provided with a first guide groove, a first outer tooth and a second outer tooth which are arranged in a circumferential manner and are inclined upward; the upper end of the first guide groove is arranged flush with the upper end of the inner knife core, the upper end of the first outer tooth is connected to the lower end of the first guide groove, the lower end of the first outer tooth is arranged close to the lower end of the inner knife core, and the second outer tooth is extended from the first outer tooth to the side edge of the first guide groove; an outer knife disc is sleeved on the outer periphery of the inner knife core, the inner periphery of the outer knife disc is provided with a first outer tooth and a second outer tooth; A second guide groove, a first inner tooth and a second inner tooth are arranged obliquely downward and surroundingly on the wall; the upper end of the second guide groove is arranged flush with the upper end of the outer cutter disc, the upper end of the first inner tooth is connected to the lower end of the second guide groove, the lower end of the first inner tooth is arranged close to the lower end of the outer cutter disc, and the second inner tooth extends from the first inner tooth to the inside and side edge of the second guide groove; a first grinding space is formed between the first guide groove and the second guide groove, a second grinding space is formed between the first outer tooth and the first inner tooth, and a third grinding space is formed between the second outer tooth and the second inner tooth.

[0006] Furthermore, groove edges of the first guide groove and the second guide groove are provided with groove edge blades.

[0007] Furthermore, the first guide groove is an inclined groove with an arc, and the second guide groove is a spiral arc groove.

[0008] Furthermore, a first secondary internal tooth is provided at the lower end of the first internal tooth.

[0009] Furthermore, a second secondary internal tooth is provided at the upper end of the second internal tooth.

[0010] Furthermore, a connecting shaft hole is vertically arranged at the center of the inner blade core and passes through the upper and lower end surfaces thereof.

[0011] Furthermore, a connecting bayonet is provided on the outer peripheral surface of the outer cutter disc.

[0012] Compared with the prior art, the utility model provides a cutter disc assembly for grinding coffee. By providing a first guide groove, a first outer tooth and a second outer tooth inclined upward and arranged in a surrounding manner on the outer periphery of an inner cutter core, and providing a second guide groove, a first inner tooth and a second inner tooth inclined downward and arranged in a surrounding manner on the inner wall of the outer cutter disc, a first grinding space is formed between the first guide groove and the second guide groove, a second grinding space is formed between the first outer tooth and the first inner tooth, and a third grinding space is formed between the second outer tooth and the second inner tooth, so that coffee beans fall more smoothly and evenly between the first guide groove and the second guide groove, thereby greatly improving the bean dropping speed and stability, and grinding the coffee beans by the first grinding space, the second grinding space and the third grinding space can make the ground coffee powder more uniform and stable, thereby extracting fragrant coffee with a better taste. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a knife disc assembly for grinding coffee according to the utility model;

[0014] Figure 2 This is an exploded view of a knife disc assembly for grinding coffee according to the utility model;

[0015] Figure 3 It is a vertical cross-sectional view of a knife disc assembly for grinding coffee according to the utility model.

[0016] Description of Reference Numerals

[0017] 10-inner blade core; 11-first guide groove; 12-first outer tooth; 13-second outer tooth; 14-coupling hole;

[0018] 20-external cutter disc; 21-second guide groove; 22-first internal tooth; 221-first secondary internal tooth; 23-second internal tooth; 231-second secondary internal tooth; 24-connecting bayonet;

[0019] 30 - first grinding space; 31 - second grinding space; 32 - third grinding space; 33 - groove edge. DETAILED DESCRIPTION

[0020] The present invention is described in detail below in conjunction with specific embodiments.

[0021] In the present utility model, when directional words appear, they are used to facilitate the description of the utility model and simplify the description, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present utility model.

[0022] In the present invention, unless otherwise specified and limited, when terms such as "disposed on", "connected" and "connected" appear, these terms should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figures 1 to 3 As shown, a blade disc assembly for grinding coffee includes an inner blade core 10 and an outer blade disc 20. The outer blade disc 20 is sleeved on the outer periphery of the inner blade core 10. The outer blade disc 20 is fixedly connected to a mounting seat of a coffee bean grinder. The inner blade core 10 is connected to the motor shaft of the coffee bean grinder.

[0024] The center of the inner blade core 10 is vertically provided with a connecting hole 14 penetrating through its upper and lower end surfaces, and the connecting hole 14 is used to connect to the motor shaft of the bean grinding coffee machine. The outer peripheral surface of the outer blade disc 20 is provided with a connecting bayonet 24 for connecting to the mounting base of the bean grinding coffee machine.

[0025] The outer periphery of the inner blade core 10 is provided with a first guide groove 11 , a first outer tooth 12 and a second outer tooth 13 which are arranged circumferentially and tilt upward.

[0026] The upper end of the first guide groove 11 is flush with the upper end of the inner knife core 10, the upper end of the first outer tooth 12 is connected to the lower end of the first guide groove 11, the lower end of the first outer tooth 12 is close to the lower end of the inner knife core 10, and the second outer tooth 13 extends from the first outer tooth 12 to the side edge of the first guide groove 11.

[0027] The inner wall of the outer cutter disc 20 is provided with a second guide groove 21 , a first inner tooth 22 and a second inner tooth 23 which are arranged in a circumferential manner and are inclined downward.

[0028] The upper end of the second guide groove 21 is flush with the upper end of the outer cutter disc 20, the upper end of the first inner tooth 22 is connected to the lower end of the second guide groove 21, the lower end of the first inner tooth 22 is close to the lower end of the outer cutter disc 20, and the second inner tooth 23 extends from the first inner tooth 22 to the inside and side edge of the second guide groove 21.

[0029] When the outer cutter disc 20 is sleeved on the outer periphery of the inner cutter core 10, a first grinding space 30 is formed between the first guide groove 11 and the second guide groove 21, a second grinding space 31 is formed between the first outer teeth 12 and the first inner teeth 22, and a third grinding space 32 is formed between the second outer teeth 13 and the second inner teeth. The first guide groove 11 and the second guide groove 21 are provided with groove edge blades 33.

[0030] Thereby, the coffee beans can fall more smoothly between the first guide groove 11 and the second guide groove 21, and after the first crushing, the crushed coffee particles enter the second grinding space 31 formed between the first outer teeth 12 and the first inner teeth 22 for the second coarse grinding, and the coarsely ground coffee particles enter the third grinding space 32 formed between the second outer teeth 13 and the second inner teeth 23 for the third fine grinding to form fine coffee powder, which greatly improves the bean feeding speed and stability, makes the ground coffee powder more uniform and stable, and thus extracts fragrant coffee with better taste.

[0031] In this embodiment, the first guide groove 11 is an inclined groove with an arc, and the second guide groove 21 is a spiral arc groove, so that the coffee beans can be put into the coffee beans more smoothly, evenly and stably.

[0032] In this embodiment, in order to better grind the coffee beans, a first secondary inner tooth 221 is provided at the lower end of the first inner tooth 22, which further improves the grinding of coffee particles in the second grinding space 31.

[0033] In addition, a second secondary inner tooth 231 is provided at the upper end of the second inner tooth 23, which can also effectively improve the grinding of coffee particles in the third grinding space 32, making the ground coffee powder more delicate and uniform, and improving the taste of the extracted coffee.

[0034] Compared with the prior art, the utility model provides a cutter disc assembly for grinding coffee. By providing a first guide groove 11, a first outer tooth 12 and a second outer tooth 13 inclined upward and arranged in a surrounding manner on the outer periphery of an inner cutter core 10, and providing a second guide groove 21, a first inner tooth 22 and a second inner tooth 23 inclined downward and arranged in a surrounding manner on the inner wall of an outer cutter disc 20, a first grinding space 30 is formed between the first guide groove 11 and the second guide groove 21, a second grinding space 31 is formed between the first outer teeth 12 and the first inner teeth 22, and a third grinding space 32 is formed between the second outer teeth 13 and the second inner teeth, so that coffee beans fall more smoothly and evenly between the first guide groove 11 and the second guide groove 21, thereby greatly improving the bean-feeding speed and stability, making the ground coffee powder more uniform and stable, thereby extracting fragrant coffee with a better taste.

[0035] In the absence of conflict, the above-mentioned embodiments and features thereof may be combined with each other.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A knife disc assembly for grinding coffee, characterized in that: include: An inner blade core, wherein the outer periphery of the inner blade core is provided with a first guide groove, a first outer tooth and a second outer tooth which are arranged in a circumferential manner and are inclined upward; The upper end of the first guide groove is flush with the upper end of the inner blade core, the upper end of the first outer tooth is connected to the lower end of the first guide groove, the lower end of the first outer tooth is close to the lower end of the inner blade core, and the second outer tooth extends from the first outer tooth to the side edge of the first guide groove; An outer cutter disc is sleeved on the outer periphery of the inner cutter core, and the inner wall of the outer cutter disc is provided with a second guide groove, a first inner tooth and a second inner tooth which are arranged around and inclined downward; The upper end of the second guide groove is flush with the upper end of the outer cutter disc, the upper end of the first inner tooth is connected to the lower end of the second guide groove, the lower end of the first inner tooth is close to the lower end of the outer cutter disc, and the second inner tooth extends from the first inner tooth to the inside and side edge of the second guide groove; A first grinding space is formed between the first guide groove and the second guide groove, a second grinding space is formed between the first outer teeth and the first inner teeth, and a third grinding space is formed between the second outer teeth and the second inner teeth.

2. The blade assembly for grinding coffee according to claim 1, characterized in that: The groove edges of the first guide groove and the second guide groove are provided with groove edge blades.

3. The blade assembly for grinding coffee according to claim 1, characterized in that: The first guide groove is an inclined groove with an arc, and the second guide groove is a spiral arc groove.

4. The blade assembly for grinding coffee according to claim 1, characterized in that: A first secondary internal tooth is disposed at the lower end of the first internal tooth.

5. The blade assembly for grinding coffee according to claim 1, characterized in that: The upper end of the second inner tooth is provided with a second secondary inner tooth.

6. The blade assembly for grinding coffee according to claim 1, characterized in that: A connecting shaft hole penetrating the upper and lower end surfaces of the inner knife core is vertically arranged at the center of the inner knife core.

7. The blade assembly for grinding coffee according to claim 1, characterized in that: The outer peripheral surface of the outer cutter disc is provided with a connecting bayonet.

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