Coffee powder grinding device

Through the rotating gap adjustment gear disc and arc-shaped groove pin column design, the coffee powder particle size adjustment of the coffee powder grinding device is achieved, solving the problem of cumbersome replacement of the grinding blade in the prior art, and improving the user experience and coffee powder quality.

CN223169619UActive Publication Date: 2025-08-01WUXI HUOZHONG POWER EQUIP CO LTD
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Patent Information

Application Number
CN202420441297.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2023-12-11
Filing Date
2024-03-07
Publication Date
2025-08-01
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

The existing coffee powder grinders are complicated and require professional operation when replacing different sizes of grinding blades. They cannot flexibly adjust the size of coffee powder particles, which affects the user experience.

Method used

By rotating the gap adjustment gear disk, adjusting the upper grinding disc to move in the up and down directions, adjusting the size of different coffee powder particles, avoiding the replacement of the grinding blade, and combining the matching design of arc grooves and pin columns, finely adjusting the grinding clearance.

Benefits of technology

It realizes the flexibly adjusting the size of coffee powder particles without replacing the grinding blade, which improves operational convenience and safety, avoids the increase in temperature affecting the quality of coffee powder, and enhances market competitiveness.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a coffee powder grinding device which comprises an upper grinding disc and a lower grinding disc. A plurality of blades are arranged on one surface of each of the upper millstone and the lower millstone; one surface of the upper millstone provided with the blades is opposite to one surface of the lower millstone provided with the blades; a penetrating through hole is formed in the upper grinding disc; an upper millstone connecting seat is arranged above the upper millstone; the upper millstone connecting seat is provided with a through hole; an arc-shaped groove is formed in the upper portion of the upper grinding disc connecting base. The depth of the arc-shaped groove is gradually changed from deep to shallow; a gap adjusting gear disc is further arranged above the upper grinding disc connecting seat; a pin column is arranged below the gap adjusting gear disc; the pin column is matched with the arc-shaped groove; a penetrating through hole is formed in the center area of the gap adjusting gear disc. The main shell wraps the upper millstone and the lower millstone; the upper millstone connecting seat is connected with the main shell through an elastic supporting column; when the gap adjusting gear disc is rotated, the upper grinding disc moves in the vertical direction; a power shaft is arranged below the lower grinding disc; a discharge hole is formed in the side surface of the main shell; coffee powder obtained after grinding through the blades on the upper grinding disc and the blades on the lower grinding disc is discharged from the discharging port.
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Description

Technical Field

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

[0002] For the existing coffee powder grinders, when facing different requirements of users for the particle size of coffee powder, it is usually achieved by replacing grinding blades of different sizes. Replacing grinding blades of different sizes is troublesome on the one hand, and can only be carried out by professional personnel, which will consume a certain amount of time. In addition, the particle size of coffee powder is strictly limited by the size of the grinding blade. If there is no grinding blade of the corresponding size, the requirements of users for the particle size of coffee powder cannot be met, seriously affecting the user experience.

[0003] How to solve the above technical problems has become an urgent technical problem in the industry. Summary of the Utility Model

[0004] In order to solve at least the above technical problems, the purpose of the utility model is to provide a coffee powder grinding device. When the gap adjustment gear disc is rotated, the upper grinding disc moves in the up and down direction, which can meet the requirements of different coffee powder particle sizes without replacing the grinding blade.

[0005] To achieve the above purpose, the coffee powder grinding device provided by the utility model includes: an upper grinding disc and a lower grinding disc; one surface of both the upper grinding disc and the lower grinding disc is provided with blades; the surface of the upper grinding disc provided with the blade faces the surface of the lower grinding disc provided with the blade; the upper grinding disc is provided with a through upper grinding disc through-hole; an upper grinding disc connecting seat is arranged above the upper grinding disc; the upper grinding disc connecting seat is provided with an upper grinding disc connecting seat through-hole; the upper grinding disc connecting seat through-hole matches the upper grinding disc through-hole; a plurality of arc-shaped grooves are arranged above the upper grinding disc connecting seat; the depth of the arc-shaped grooves changes gradually from deep to shallow; a gap adjustment gear disc is further arranged above the upper grinding disc connecting seat; a plurality of pin columns are arranged below the gap adjustment gear disc; the pin columns match the arc-shaped grooves; a through gap adjustment gear disc through-hole is arranged in the central area of the gap adjustment gear disc; a main housing, which wraps the upper grinding disc and the lower grinding disc; the upper grinding disc connecting seat further includes elastic support columns; the upper grinding disc connecting seat is connected to the main housing through the elastic support columns; when the gap adjustment gear disc is rotated, the upper grinding disc moves in the up and down direction; a power shaft is arranged below the lower grinding disc; the power shaft drives the lower grinding disc to rotate; a discharge port is arranged on the side surface of the main housing; the coffee powder obtained after being ground by the blades on the upper surface of the upper grinding disc and the blades on the upper surface of the lower grinding disc is discharged from the discharge port.

[0006] Further, a fan is further arranged below the lower grinding disc; the power shaft drives the fan to rotate.

[0007] Furthermore, a through lower grinding plate through-hole is provided in the central area of the lower grinding plate; the shaft of the fan is matched with the lower grinding plate through-hole.

[0008] Furthermore, it further includes: a grinding drive device, which is connected to the power shaft; the grinding drive device is used to drive the power shaft to rotate.

[0009] Furthermore, it further includes: a gap adjustment drive device, which is connected to the gap adjustment gear disk; the gap adjustment drive device is used to rotate the gap adjustment gear disk.

[0010] Furthermore, the centers of the multiple arc-shaped grooves coincide.

[0011] Furthermore, the number of the pin columns is the same as the number of the arc-shaped grooves.

[0012] Furthermore, the multiple pin columns are located on the circumference of the same circle.

[0013] Furthermore, the diameter size of the circle formed by the multiple arc-shaped grooves is the same as the diameter size of the circle formed by the multiple pin columns.

[0014] Furthermore, it further includes: a control module, which is used to control the rotation speed of the grinding drive device; the control module further includes: a part for controlling the rotation size of the gap adjustment gear disk.

[0015] The coffee powder grinding device according to the embodiment of the present utility model includes: an upper grinding disc and a lower grinding disc; one surface of both the upper grinding disc and the lower grinding disc is provided with blades; the surface of the upper grinding disc provided with blades faces the surface of the lower grinding disc provided with blades; the upper grinding disc is provided with a through upper grinding disc through-hole; an upper grinding disc connecting seat is arranged above the upper grinding disc; the upper grinding disc connecting seat is provided with an upper grinding disc connecting seat through-hole; the upper grinding disc connecting seat through-hole matches the upper grinding disc through-hole; a plurality of arc-shaped grooves are arranged above the upper grinding disc connecting seat; the depth of the arc-shaped grooves changes gradually from deep to shallow; a gap adjusting gear disc is further arranged above the upper grinding disc connecting seat; a plurality of pin columns are arranged below the gap adjusting gear disc; the pin columns match the arc-shaped grooves; a through gap adjusting gear disc through-hole is arranged in the central area of the gap adjusting gear disc; a main housing that wraps the upper grinding disc and the lower grinding disc; the upper grinding disc connecting seat further includes elastic support columns; the upper grinding disc connecting seat is connected to the main housing through the elastic support columns; when the gap adjusting gear disc is rotated, the upper grinding disc moves in the up and down direction; a power shaft is arranged below the lower grinding disc; the power shaft drives the lower grinding disc to rotate; a discharge port is arranged on the side surface of the main housing; the coffee powder obtained after being ground by the blades on the upper surface of the upper grinding disc and the blades on the upper surface of the lower grinding disc is discharged from the discharge port. By rotating the gap adjusting gear disc, the upper grinding disc moves in the up and down direction, which can meet the requirements of different coffee powder particle sizes without replacing the grinding blades; through the matching arrangement of a plurality of pin columns and a plurality of arc-shaped grooves, the moving distance of the upper grinding disc in the up and down direction can be adjusted more precisely, and the gap adjustment is smoother, without obvious difference caused by the adjustment of coffee powder particles; adjusting the coffee powder particle size is more convenient and safe; the design of the fan avoids the problem that the quality of coffee powder is affected by the temperature rise during the grinding of the upper grinding disc and the lower grinding disc, ensuring that the quality of coffee powder is not damaged by the temperature rise during grinding; the market competitiveness is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present application, and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application, and do not constitute a limitation to the present application. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the coffee powder grinding device according to the embodiment of the present application;

[0018] Figure 2 is an exploded structural diagram of the coffee powder grinding device according to the embodiment of the present application;

[0019] Figure 3 is a schematic structural diagram of the gap adjusting gear disc according to the embodiment of the present application;

[0020] Figure 4 is a schematic structural diagram of the upper grinding disc connecting seat according to the embodiment of the present application;

[0021] Figure 5It is a schematic diagram of the upper grinding disc structure of an embodiment of the present application.

[0022] Explanation of reference numerals in the drawings:

[0023] 101 - Feeding port; 102 - Discharging port; 201 - Upper cover; 202 - Clearance adjustment gear disc; 203 - Upper housing; 204 - Clearance adjustment drive device; 205 - Upper grinding disc connecting seat; 206 - Upper grinding disc; 207 - Lower grinding disc; 208 - Main housing; 209 - Outlet; 210 - Fan; 211 - Lower housing; 212 - Power shaft; 301 - Pin column; 401 - Arc-shaped groove; 402 - Elastic support column; 501 - Blade; 502 - Upper grinding disc through hole. Detailed implementation manners

[0024] The embodiments of the present application will be described in more detail below with reference to the drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present application. It should be understood that the drawings and embodiments of the present application are only for exemplary purposes and are not used to limit the protection scope of the present application.

[0025] It should be understood that the various steps recorded in the method implementation manners of the present application can be executed in different orders and / or executed in parallel. In addition, the method implementation manners may include additional steps and / or omit the steps shown. The scope of the present application is not limited in this regard.

[0026] The term "including" and its variants used herein are open-ended, that is, "including but not limited to". The term "based on" is "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0027] It should be noted that the modifications of "one" and "multiple" mentioned in the present application are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly stated in the context, it should be understood as "one or more". "Multiple" should be understood as two or more.

[0028] Next, the embodiments of the present application will be described in detail with reference to the drawings.

[0029] The coffee powder grinding device provided by the embodiment of the present application includes: an upper grinding disc and a lower grinding disc; one surface of both the upper grinding disc and the lower grinding disc is provided with blades; the surface of the upper grinding disc provided with blades faces the surface of the lower grinding disc provided with blades; the upper grinding disc is provided with a through upper grinding disc through-hole; an upper grinding disc connecting seat is provided above the upper grinding disc; the upper grinding disc connecting seat is provided with an upper grinding disc connecting seat through-hole; the upper grinding disc connecting seat through-hole matches the upper grinding disc through-hole; a plurality of arc-shaped grooves are provided above the upper grinding disc connecting seat; the depth of the arc-shaped grooves changes gradually from deep to shallow; a gap adjusting gear disc is further provided above the upper grinding disc connecting seat; a plurality of pin posts are provided below the gap adjusting gear disc; the pin posts match the arc-shaped grooves; a through gap adjusting gear disc through-hole is provided in the central area of the gap adjusting gear disc; a main housing, which wraps the upper grinding disc and the lower grinding disc; the upper grinding disc connecting seat further includes elastic support columns; the upper grinding disc connecting seat is connected to the main housing through the elastic support columns; when the gap adjusting gear disc is rotated, the upper grinding disc moves in the up and down direction; a power shaft is provided below the lower grinding disc; the power shaft drives the lower grinding disc to rotate; a discharge port is provided on the side of the main housing; the coffee powder obtained after being ground by the blades on the upper surface of the upper grinding disc and the blades on the upper surface of the lower grinding disc is discharged from the discharge port.

[0030] Embodiment 1

[0031] Figure 1 It is a schematic structural diagram of the coffee powder grinding device according to the embodiment of the present application, Figure 2 It is an exploded structural diagram of the coffee powder grinding device according to the embodiment of the present application, Figure 3 It is a schematic structural diagram of the gap adjusting gear disc according to the embodiment of the present application, Figure 4 It is a schematic structural diagram of the upper grinding disc connecting seat according to the embodiment of the present application, Figure 5 It is a schematic structural diagram of the upper grinding disc according to the embodiment of the present application. Next, in combination with Figures 1-5 ..., the coffee powder grinding device according to the embodiment of the present application will be described in detail.

[0032] The coffee powder grinding device according to the embodiment of the present application is used to grind coffee beans into coffee powder.

[0033] In an exemplary embodiment, the coffee powder grinding device according to the embodiment of the present application includes: a feeding port 101.

[0034] In an exemplary embodiment, the feeding port 101 is located at the upper part of the coffee powder grinding device. Coffee beans enter the interior of the coffee powder grinding device through the feeding port 101, and then coffee powder is ground.

[0035] In an exemplary embodiment, the feeding port 101 can be understood as the inlet for coffee beans.

[0036] In an exemplary embodiment, the coffee powder grinding device according to the embodiment of the present application includes: a grinding disc.

[0037] In an exemplary embodiment, the grinding disc includes an upper grinding disc 206 and a lower grinding disc 207.

[0038] In an exemplary embodiment, the upper grinding disc 206 is provided with an upper grinding disc concave surface that is recessed toward the central region of the upper grinding disc.

[0039] In an exemplary embodiment, the lower grinding disc 207 is provided with a lower grinding disc concave surface that is recessed toward the central region of the lower grinding disc.

[0040] In an exemplary embodiment, one surface of both the upper grinding disc 206 and the lower grinding disc 207 is provided with a plurality of blades.

[0041] In an exemplary embodiment, the blades on the upper grinding disc 206 and the lower grinding disc 207 are arranged in a ring sequence around the center of the circle.

[0042] In an exemplary embodiment, the blades on the upper grinding disc 206 and the lower grinding disc 207 are evenly distributed.

[0043] In an exemplary embodiment, a plurality of blades are provided on both the upper grinding disc concave surface and the lower grinding disc concave surface.

[0044] In an exemplary embodiment, optionally, the upper grinding disc 206 can be exactly the same as the lower grinding disc 207.

[0045] In an exemplary embodiment, the upper grinding disc concave surface and the lower grinding disc concave surface are arranged facing each other, that is, the surface of the upper grinding disc 206 with the blade 501 and the surface of the lower grinding disc 207 with the blade are arranged face to face with each other, and the coffee beans are ground by the blade 501 on the upper surface of the upper grinding disc 206 and the blade on the upper surface of the lower grinding disc 207 to obtain coffee powder.

[0046] In an exemplary embodiment, the cutting edge of the blade 501 on the upper grinding disc 206 faces the cutting edge of the blade on the lower grinding disc 207.

[0047] In an exemplary embodiment, the upper grinding disc 206 and the lower grinding disc 207 together form a grinding chamber, and the coffee beans enter the grinding chamber and are ground into coffee powder.

[0048] In an exemplary embodiment, the upper grinding disc is provided with a through upper grinding disc through hole 502. The upper grinding disc through hole 502 is, for example, arranged in the central region of the upper grinding disc. It can be understood that the upper grinding disc 206 is a ring-shaped structure with an inner concave surface on one side, and the inner concave surface is provided with the blade 501.

[0049] In an exemplary embodiment, the surface of the upper grinding disc 206 with the blade 501 is arranged downward.

[0050] In an exemplary embodiment, an upper grinding wheel connecting seat 205 is provided above the upper grinding wheel 206. For example, the upper grinding wheel 206 is fixedly connected to the upper grinding wheel connecting seat 205.

[0051] In an exemplary embodiment, the upper grinding wheel connecting seat 205 is provided with a through hole of the upper grinding wheel connecting seat.

[0052] In an exemplary embodiment, the through hole of the upper grinding wheel connecting seat matches the through hole 502 of the upper grinding wheel. For example, the through hole of the upper grinding wheel connecting seat is disposed in the central region of the upper grinding wheel connecting seat 205, and the through hole 502 of the upper grinding wheel is disposed in the central region of the upper grinding wheel 206; the size of the through hole of the upper grinding wheel connecting seat is not greater than the size of the through hole 502 of the upper grinding wheel.

[0053] In an exemplary embodiment, a plurality of arc-shaped grooves 401 are provided above the upper grinding wheel connecting seat 205. For example, a plurality of intermittently connected arc-shaped grooves 401.

[0054] In an exemplary embodiment, the plurality of arc-shaped grooves 401 are evenly distributed on the upper grinding wheel connecting seat 205.

[0055] In an exemplary embodiment, the number of the arc-shaped grooves 401 is not less than three, for example, an odd number.

[0056] In an exemplary embodiment, the centers of the plurality of arc-shaped grooves 401 coincide.

[0057] In an exemplary embodiment, the depth of the arc-shaped groove 401 changes gradually from deep to shallow. For example, the depths of the plurality of arc-shaped grooves 401 all change gradually from deep to shallow in the clockwise direction.

[0058] In an exemplary embodiment, a clearance adjusting gear disk 202 is further provided above the upper grinding wheel connecting seat 205

[0059] disk 202.

[0060] In an exemplary embodiment, a plurality of pin posts 301 are provided below the clearance adjusting gear disk 202.

[0061] In an exemplary embodiment, the pin posts 301 are, for example, cylindrical.

[0062] In an exemplary embodiment, the pin posts 301 match the arc-shaped grooves 401.

[0063] In an exemplary embodiment, the number of the pin posts 301 is the same as the number of the arc-shaped grooves 401.

[0064] In an exemplary embodiment, the plurality of pin posts 301 are located on the circumference of the same circle.

[0065] In an exemplary embodiment, the diameter of the circle formed by a plurality of arc-shaped grooves 401 is the same as the diameter of the circle formed by a plurality of pin posts 301.

[0066] In an exemplary embodiment, a through gap adjustment gear disk through hole is provided in the central region of the gap adjustment gear disk 202.

[0067] In an exemplary embodiment, coffee beans are dropped from the feeding port 101, and sequentially pass through the gap adjustment gear disk through hole, the upper grinding disk connecting seat through hole, and the upper grinding disk through hole 502, and finally fall into the grinding chamber formed by the upper grinding disk 206 and the lower grinding disk 207.

[0068] In an exemplary embodiment, optionally, an upper cover 201 is further provided above the gap adjustment gear disk 202.

[0069] In an exemplary embodiment, the feeding port 101 is provided on the upper cover 201, for example, in the center of the upper cover 201.

[0070] In an exemplary embodiment, the coffee powder grinding device of the embodiment of the present application further includes: a main housing 208.

[0071] In an exemplary embodiment, the main housing 208 wraps the upper grinding disk 206 and the lower grinding disk 207, and it can be understood that the upper grinding disk 206 and the lower grinding disk 207 are arranged inside the main housing 208.

[0072] In an exemplary embodiment, the main housing 208 is a barrel-shaped structure that penetrates up and down.

[0073] In an exemplary embodiment, the upper grinding disk connecting seat 205 further includes elastic support columns 402, and the elastic support columns 402 are provided on the side of the upper grinding disk connecting seat 205, for example.

[0074] In an exemplary embodiment, there are a plurality of elastic support columns 402, for example, three.

[0075] In an exemplary embodiment, the plurality of elastic support columns 402 are evenly distributed on the upper grinding disk connecting seat 205.

[0076] In an exemplary embodiment, the upper grinding disk connecting seat 205 is connected to the main housing 208 through the elastic support columns 402.

[0077] In an exemplary embodiment, optionally, a plurality of positioning holes are provided at one end of the main housing 208, and the positioning holes are matched with the elastic support columns 402. It can be understood that the elastic support columns 402 fall into the positioning holes, and the upper grinding disk connecting seat 205 is connected to the main housing 208 through the elastic support columns 402.

[0078] In an exemplary embodiment, the positioning hole is provided at the upper end of the main housing 208, for example, on the inner side wall of the upper end of the main housing 208.

[0079] In an exemplary embodiment, the positioning holes are evenly distributed on the upper end of the main housing 208.

[0080] In an exemplary embodiment, the elastic support column 402 can be, for example, a spring. Due to the elasticity of the elastic support column 402, when the upper grinding disc 206 is squeezed, the gap between the upper grinding disc 206 and the lower grinding disc 207 will decrease. When the upper grinding disc 206 is not squeezed or the squeezing force becomes smaller, the gap between the upper grinding disc 206 and the lower grinding disc 207 will increase.

[0081] In an exemplary embodiment, when rotating the clearance adjustment gear disc 202, that is, when turning the clearance adjustment gear disc 202, the upper grinding disc 206 moves in the vertical direction; as the clearance adjustment gear disc 202 rotates, the pin 301 rotates. Due to the matching relationship between the pin 301 and the arc-shaped groove 401 on the upper grinding disc connecting seat 205, the upper grinding disc connecting seat 205 moves upward or downward. Also, since the upper grinding disc 206 is fixedly connected to the upper grinding disc connecting seat 205, turning the clearance adjustment gear disc 202 will cause the upper grinding disc 206 to move in the vertical direction, thereby achieving the purpose of adjusting the distance between the upper grinding disc 206 and the lower grinding disc 207; by adjusting the distance between the upper grinding disc 206 and the lower grinding disc 207, the purpose of adjusting the particle diameter of the coffee powder ground in the grinding chamber is achieved.

[0082] In an exemplary embodiment, a power shaft 212 is provided below the lower grinding disc 207.

[0083] In an exemplary embodiment, the power shaft 212 drives the lower grinding disc 207 to rotate, or rather, the power shaft 212 transmits the rotation of the lower grinding disc 207.

[0084] In an exemplary embodiment, the coffee powder grinding device of the embodiment of the present application further includes: a grinding drive device.

[0085] In an exemplary embodiment, the grinding drive device is, for example, a grinding motor.

[0086] In an exemplary embodiment, the grinding drive device is connected to the power shaft 212, that is, the grinding drive device drives the rotation of the power shaft 212.

[0087] In an exemplary embodiment, the grinding drive device drives the power shaft 212 to rotate through a chain or a transmission belt.

[0088] In an exemplary embodiment, a fan 210 is further provided between the lower grinding disc 207 and the power shaft 212; or the fan 210 is disposed below the lower grinding disc 207.

[0089] In an exemplary embodiment, the fan 210 is used to cool the lower grinding disc 207, so as to avoid the problem that the temperature rises when the upper grinding disc 206 and the lower grinding disc 207 perform the grinding operation, thereby affecting the quality of the coffee powder.

[0090] In an exemplary embodiment, the power shaft 212 drives the fan 210 to rotate.

[0091] In an exemplary embodiment, optionally, the fan 210 is fixedly connected to the lower grinding disc 207. Of course, the fan 210 can also be movably connected to the lower grinding disc 207 or the fan 210 is not connected to the lower grinding disc 207, or the fan 210 is connected to the lower grinding disc 207 through the power shaft 212.

[0092] In an exemplary embodiment, optionally, a through hole of the lower grinding disc is provided in the central area of the lower grinding disc.

[0093] In an exemplary embodiment, the shaft of the fan 210 matches the through hole of the lower grinding disc, that is, when a through hole of the lower grinding disc is provided in the central area of the lower grinding disc, the through hole of the lower grinding disc is used to place the shaft of the fan 210.

[0094] In an exemplary embodiment, the coffee powder grinding device of the embodiment of the present application further includes: a gap adjustment driving device 204.

[0095] In an exemplary embodiment, the gap adjustment driving device 204 is connected to the gap adjustment gear disc 202.

[0096] In an exemplary embodiment, optionally, the gap adjustment driving device 204 is a gap adjustment motor.

[0097] In an exemplary embodiment, the gap adjustment driving device 204 is used to rotate the gap adjustment gear disc 202. It can be understood that when the gap adjustment driving device 204 rotates the gap adjustment gear disc 202, according to the need, the gap adjustment gear disc 202 does not need to rotate in a cycle, and the gap adjustment gear disc 202 only needs to rotate a few tenths of a circle, for example, only a few centimeters in the circumferential direction, etc.

[0098] In an exemplary embodiment, optionally, a transmission gear is further provided between the gap adjustment driving device 204 and the gap adjustment gear disc 202, and the transmission gear can be one or more according to the need.

[0099] In an exemplary embodiment, when a transmission gear is provided between the gap adjustment drive device 204 and the gap adjustment gear disk 202, the gap adjustment drive device 204 drives the transmission gear and ultimately drives the rotation of the gap adjustment gear disk 202.

[0100] In an exemplary embodiment, the gap adjustment drive device 204 can be arranged on the side of the upper housing 203 or the side of the main housing 208 as required.

[0101] In an exemplary embodiment, the coffee powder grinding device of the embodiment of the present application further includes: an upper housing 203.

[0102] In an exemplary embodiment, the upper housing 203 is similar in shape to the main housing 208, and the upper housing 203 is connected to the main housing 208.

[0103] In an exemplary embodiment, the diameter dimension of the upper housing 203 is the same as the diameter dimension of the main housing 208.

[0104] In an exemplary embodiment, the upper housing 203 and the main housing 208 form a cavity that penetrates up and down, and the gap adjustment gear disk 202 and the upper grinding disk connecting seat 205 are arranged in this cavity.

[0105] In an exemplary embodiment, the coffee powder grinding device of the embodiment of the present application further includes: a lower housing 211.

[0106] In an exemplary embodiment, the lower housing 211 wraps the fan 210.

[0107] In an exemplary embodiment, the lower housing 211 is similar in shape to the main housing 208.

[0108] In an exemplary embodiment, the diameter dimension of the lower housing 211 is the same as the diameter dimension of the main housing 208.

[0109] In an exemplary embodiment, the power shaft 212 extends out from below the lower housing 211, and the part of the power shaft 212 extending out of the lower housing 211 is connected to the grinding drive device.

[0110] In an exemplary embodiment, the sizes of the upper grinding disk 206 and the lower grinding disk 207 match the size of the main housing 208.

[0111] In an exemplary embodiment, a discharge port 102 is provided on the side of the main housing 208.

[0112] In an exemplary embodiment, the outlet 209 is connected to the discharge port 102.

[0113] In an exemplary embodiment, the ground coffee obtained after grinding by the upper grinding disc 206 and the lower grinding disc 207 is discharged from the discharge port 102.

[0114] In an exemplary embodiment, after the coffee beans are ground into ground coffee in the chamber formed by the upper grinding disc 206 and the lower grinding disc 207, they are discharged from the discharge port 102 of the main housing 208, and then finally discharged out of the ground coffee grinding device through the outlet 209.

[0115] In an exemplary embodiment, the ground coffee grinding device of the embodiment of the present application further includes: a control module.

[0116] In an exemplary embodiment, the control module is used to control the rotation speed of the grinding drive device, that is, the rotation speed of the lower grinding disc 207 can be controlled.

[0117] In an exemplary embodiment, the control module further includes: for controlling the rotation size of the gap adjustment gear disc 202, that is, the control module can also control the vertical movement size of the upper grinding disc 206.

[0118] Although the disclosed embodiments of the present invention are as above, the content is only an embodiment adopted for the convenience of understanding the present invention and is not intended to limit the present invention. Any person skilled in the art within the scope of the present invention can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed by the present invention. However, the scope of patent protection of the present invention shall still be subject to the scope defined by the appended claims.

Claims

1. A coffee powder grinding device, characterized in that, Including: An upper grinding disc and a lower grinding disc; One surface of both the upper grinding disc and the lower grinding disc is provided with blades; The surface of the upper grinding disc with blades is arranged facing the surface of the lower grinding disc with blades; The upper grinding disc is provided with a through upper grinding disc through-hole; Above the upper grinding disc, there is an upper grinding disc connecting seat; The upper grinding disc connecting seat is provided with an upper grinding disc connecting seat through-hole; The upper grinding disc connecting seat through-hole matches the upper grinding disc through-hole; Above the upper grinding disc connecting seat, there are a plurality of arc-shaped grooves; The depth of the arc-shaped grooves changes gradually from deep to shallow; Above the upper grinding disc connecting seat, there is also a gap adjustment gear disc; Below the gap adjustment gear disc, there are a plurality of pin columns; The pin columns match the arc-shaped grooves; The central area of the gap adjustment gear disc is provided with a through gap adjustment gear disc through-hole; A main housing that wraps the upper grinding disc and the lower grinding disc; The upper grinding disc connecting seat also includes elastic support columns; The upper grinding disc connecting seat is connected to the main housing through the elastic support columns; When rotating the gap adjustment gear disc, the upper grinding disc moves in the up and down direction. Below the lower grinding disc, there is a power shaft; The power shaft drives the lower grinding disc to rotate; On the side of the main housing, there is a discharge port; The coffee powder obtained after being ground by the blades on the upper surface of the upper grinding disc and the blades on the upper surface of the lower grinding disc is discharged from the discharge port.

2. The coffee powder grinding device according to claim 1, characterized in that, Below the lower grinding disc, there is also a fan; The power shaft drives the fan to rotate.

3. The coffee powder grinding device according to claim 2, wherein, In the central area of the lower grinding disc, there is a through lower grinding disc through-hole; The shaft of the fan matches the lower grinding disc through-hole.

4. The coffee powder grinding device according to claim 3, characterized in that, Also including: A grinding drive device, which is connected to the power shaft; The grinding drive device is used to drive the power shaft to rotate.

5. The coffee powder grinding device according to claim 4, wherein, Also including: A gap adjustment drive device, which is connected to the gap adjustment gear disc; The gap adjustment drive device is used to rotate the gap adjustment gear disc.

6. The coffee powder grinding device according to claim 5, characterized in that, The centers of the plurality of arc-shaped grooves coincide.

7. The coffee powder grinding device according to claim 6, wherein The number of the pin columns is the same as the number of the arc-shaped grooves.

8. The coffee powder grinding device according to claim 7, wherein, The plurality of pin columns are located on the circumference of the same circle.

9. The coffee powder grinding device according to claim 8, characterized in that, The diameter size of the circle formed by the plurality of arc-shaped grooves is the same as the diameter size of the circle formed by the plurality of pin columns.

10. The coffee powder grinding device according to claim 9, characterized in that, Also including: A control module, which is used to control the rotation speed of the grinding drive device; The control module also includes: used to control the rotation size of the gap adjustment gear disc.