CN218528540U

CN218528540U - Bean grinding device

Info

Publication number: CN218528540U
Application number: CN202222865418.1U
Authority: CN
Inventors: 林诺锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-02-28
Anticipated expiration: 2032-10-29

Abstract

The utility model discloses a bean grinding device, which comprises a driving motor, a bean grinding chamber and an adjusting disc, wherein the bean grinding chamber is internally provided with an outer grinding wheel and an inner grinding wheel, and is characterized in that the outer grinding wheel and the bean grinding chamber are relatively fixed in the axial position, the adjusting disc can be operated to drive the inner grinding wheel to axially move so as to adjust the distance between the outer grinding wheel and the inner grinding wheel, and the driving motor is connected with a reduction gear pair and the reduction gear pair is connected with the outer grinding wheel; the powder discharging device is characterized by further comprising a lower powder barrel, wherein an inner grinding wheel mounting seat is arranged in the lower powder barrel, a straight-falling type powder discharging channel is arranged in the inner grinding wheel mounting seat, and the inner grinding wheel is fixedly mounted on the inner grinding wheel mounting seat. The outer cone mill is driven by the motor to rotate, and the inner cone mill is kept static, so that the coffee powder outlet channel can be arranged directly below the inner cone mill, and the problem of unsmooth powder outlet arranged beside the powder channel is solved.

Description

Bean grinding device

Technical Field

The utility model relates to a grinder technical field, in particular to grind beans device.

Background

With the improvement of living standard, coffee gradually becomes a common drink in people's life, and the sales of coffee bean grinders or coffee machines with a bean grinding function are continuously rising. Coffee brewed by using the freshly ground coffee powder has stronger fragrance and better taste than coffee brewed by using the commercial coffee powder, so people increasingly like to use coffee machines to freshly grind coffee by themselves and adjust the taste of the coffee according to own preferences. CN111956095A discloses grinder of coffee machine, including grinding the seat, setting grinding vessel and the tool bit on grinding the seat, be equipped with the inner chamber that is used for placing grinding vessel and tool bit in grinding the seat, the grinding vessel matches the laminating setting in inserting the inner chamber of grinding the seat, grinds seat lower extreme one side and is equipped with row's powder passageway, arranges the powder passageway and grinds the inner chamber intercommunication of seat. When the coffee grinder works, the motor drives the cutter head to rotate, the cutter frame in the grinding cylinder is fixed, a grinding gap is formed between the cutter head and the cutter frame, the coffee hopper is ground into powder through the interaction of the cutter head and the cutter frame, the powder is pushed to the powder discharge channel through the powder discharge fan plate and is discharged, the motor is arranged under the cutter head, and the powder discharge channel leaves the bean grinding cavity through one section of inclined or horizontal cavity channel so as to avoid the motor under the cutter head. At present, most grind whitewashed structure of beans device all is so, but the advantage of this structure is but the axis of rotation direct drive tool bit of motor and need not pass through intermediate junction spare such as gear pair, but because arrange the powder passageway and be tortuous, the not smooth situation in proper order of row's powder appears easily. On the other hand, because everyone is to coffee powder thickness and the coffee goods different hobbies that lead to, grind the beans device and be provided with fine adjustment mechanism usually, be used for adjusting out the thickness degree of powder to cater to different consumers' hobbies, at present, the fine adjustment mechanism of grinding the beans device is adjusted mostly through the vertical displacement to outer awl mill, and adjustment mechanism and operating handle set up at grinding the indoor portion of beans, make the room diameter grow of grinding the beans, are unfavorable for whole appearance design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bean grinding device through changing the relative rotation mode of outer cone mill and interior cone mill, makes coffee go out the whitewashed passageway and can directly fall the setting under the cone mill including, adjusts the interval that the interior outer cone mill was adjusted to the adjustment disk of overcoat on going out the whitewashed passageway to overcome prior art's not enough.

The technical proposal of the utility model for solving the technical problem is that: a bean grinding device comprises a driving motor, a bean grinding chamber and an adjusting disc, wherein an outer grinding wheel and an inner grinding wheel are arranged in the bean grinding chamber; the powder discharging device is characterized by further comprising a lower powder barrel, wherein an inner grinding wheel mounting seat is arranged in the lower powder barrel, a straight-falling type powder discharging channel is arranged in the inner grinding wheel mounting seat, and the inner grinding wheel is fixedly mounted on the inner grinding wheel mounting seat.

Grind the indoor grinding support that sets up of beans, the reduction gear is vice including reduction gear, threaded rod, grind the support include integrated into one piece the grinding wheel portion reduction gear, outer grinding wheel is fixed in the grinding wheel portion.

The grinding wheel part is provided with an anti-rotation block, the outer grinding wheel is provided with a mounting flange, and the mounting flange is matched with the anti-rotation block.

The grinding machine also comprises a powder stirring cylinder, wherein the top of the powder stirring cylinder is pressed against the mounting flange, so that the outer grinding wheel is fixed in the grinding support.

The bean grinding chamber is formed by closing an upper cover of the reduction gearbox and a lower cover of the reduction gearbox, and ball rings are arranged on the ring surface of the first end and the ring surface of the second end of the grinding support and are respectively in contact with the surfaces of the upper cover of the reduction gearbox and the lower cover of the reduction gearbox.

The adjusting disc comprises an inner grinding wheel adjusting sleeve, an adjusting shell, an adjusting ring and a process adjusting ring; the inner grinding wheel adjusting sleeve is arranged in the lower powder barrel instead of the inner grinding wheel mounting seat and comprises an inner barrel and an outer barrel, and a powder outlet channel is formed between the inner barrel and the outer barrel.

The bottom end of the outer wall of the outer barrel is provided with a groove, the process adjusting ring is provided with a clamping block, the clamping block is clamped in the groove, the process adjusting ring is in threaded connection with the lower portion of the adjusting ring, and the upper portion of the adjusting ring is in threaded connection with the lower powder barrel.

The top of the inner barrel is provided with a grinding wheel column, the peripheral wall of the outer barrel is axially provided with a positioning strip, and the inner wall of the lower powder barrel is provided with a vertical through groove corresponding to the positioning strip.

The upper end face of the adjusting ring is provided with a stepping adjusting groove which is formed by a plurality of grooves which are uniformly distributed in an annular mode, and the lower cover of the reduction gearbox is provided with a spring ball which abuts against the stepping adjusting groove.

The beneficial effects of the utility model are that:

1) The outer cone mill is driven by the motor to rotate, and the inner cone mill is kept static, so that the coffee powder outlet channel can be arranged directly below the inner cone mill, and the problem of unsmooth powder outlet arranged beside the powder channel is solved.

2) The powder outlet adjusting disc is sleeved on the powder outlet channel in an annular shape, and the distance between the inner cone mill and the outer cone mill is adjusted by adjusting the vertical displacement of the inner cone mill, so that the thickness of the powder outlet can be changed. Moreover, the adjusting disc is arranged in the powder outlet area, and the disc shell serves as an adjusting handle, so that the structure is more easily accepted by consumers, and the operation is more convenient. The up end of adjustment disk sets up the step-by-step adjustment groove of round, and the marble cooperation with grinding room reducing gear box lower cover makes the regulation of adjustment disk present "step-by-step angle displacement rotation", and the operation is felt comfortablely, and the rhythm feels strong.

3) The adjusting disc, the powder falling cover, the inner grinding wheel adjusting sleeve and the inner grinding wheel are fixedly mounted into a whole, and can be integrally detached, so that the inner and outer grinding wheels and the powder outlet channel can be cleaned conveniently.

Drawings

FIG. 1 is a perspective view of the bean grinding device of the present invention;

FIG. 2 is a sectional view of the bean grinding device of the present invention;

FIG. 3 is an exploded view of the bean grinding apparatus of the present invention;

FIG. 4 is a schematic view of a driving structure of a grinding frame of the bean grinding device of the present invention;

FIG. 5 is a cross-sectional view of the grinding support of the bean grinding apparatus of the present invention;

FIG. 6 is a sectional view of the structure of the adjusting plate of the bean grinding device of the present invention;

FIG. 7 is a schematic view of an inner grinding wheel adjusting sleeve of the bean grinding device of the present invention;

FIG. 8 is a schematic view of the structure of the adjusting ring of the bean grinding device of the present invention;

FIG. 9 is a schematic view of a process adjusting ring of the bean grinding device of the present invention;

fig. 10 is a schematic structural view of a flour stirring cylinder of the bean grinding device of the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Referring to fig. 1-10, the utility model discloses a bean grinding device, by driving motor, grind beans room, adjusting disk and constitute, outer emery wheel 9 is located with interior emery wheel 7 grind beans indoor, outer emery wheel and grind beans room at axial position relatively fixed, the operation adjusting disk can order about interior emery wheel axial displacement, adjusts the distance of outer emery wheel between for interior emery wheel. The driving motor drives the outer grinding wheel to rotate, the center of the outer grinding wheel is provided with a bean grinding cavity, the grinding blade is positioned on the wall of the bean grinding cavity, and coffee beans are driven by the outer grinding wheel to rotate and pass through a fine gap between the outer grinding wheel and the inner grinding wheel to generate coffee powder. The driving motor 6 is arranged beside the bean grinding chamber, the bean grinding chamber is formed by closing the reduction box upper cover 1 and the reduction box lower cover 4, a cavity for accommodating the reduction gear pair is arranged in the inner cavity of the bean grinding chamber, the driving motor is connected with the reduction gear pair, the reduction gear pair is connected with the outer grinding wheel, and the rotary connection structure of the outer grinding wheel is completed. As shown in fig. 1 and 4, the driving motor is arranged transversely to reduce the axial height of the machine and to arrange the internal space of the coffee or bean grinder reasonably. The reduction gear pair consists of a threaded rod 5 and a reduction gear 51, and an output shaft of the driving motor is connected with the threaded rod so as to drive the reduction gear to rotate. The lower cover of the reduction box is provided with a lower powder barrel 41, the lower powder barrel 41 extends downwards from the bean grinding chamber, an inner grinding wheel mounting seat is arranged in the lower powder barrel, a straight-falling type powder outlet channel is arranged in the inner grinding wheel mounting seat, and the inner grinding wheel is fixedly arranged on the inner grinding wheel mounting seat.

In some embodiments, the grinding support 3 is further disposed in the bean grinding chamber, the grinding support 3 is used for providing a support structure for an outer grinding wheel and is in power transmission connection with the threaded rod 5, the grinding support 3 comprises an integrally formed grinding wheel portion 31 and the speed reduction gear 51, and the outer grinding wheel is fixed in the grinding wheel portion 31. The inner grinding wheel and the outer grinding wheel are suitable for selecting the spiral conical cutter, so that the contact area of the ground beans is increased, and the bean grinding efficiency is improved.

Further, the grinding wheel part 31 is provided with a rotation prevention block 311, the outer grinding wheel 9 is provided with a mounting flange 91, and the mounting flange 91 is matched with the rotation prevention block 311 to prevent the outer grinding wheel from rotating relative to the grinding support 3. The powder stirring barrel 10 is arranged in the bean grinding chamber, the powder stirring barrel 10 is fixedly installed in the grinding support 3 through a fastener, and the top of the powder stirring barrel 10 is abutted against the installation flange 91, so that the outer grinding wheel 9 is fixed in the grinding support 3. The powder pulling cylinder 10 is provided with a powder pulling wedge surface 101 which is arranged at the bottom end of the powder pulling cylinder 10.

Further, grinding support 3 is in grinding the indoor chamber of beans, is provided with ball ring 2 on grinding support 3's the first end anchor ring, the second end anchor ring, and the ball ring contacts with the surface of reducing gear box upper and lower cover respectively to reduce the rotational friction who grinds support 3.

In some embodiments, the adjusting disk comprises an inner grinding wheel adjusting sleeve 8, an adjusting shell 14, an adjusting ring 13, a process adjusting ring 12 and a powder falling cover 11. The inner grinding wheel adjusting sleeve 8 replaces an inner grinding wheel mounting seat to be arranged in the lower powder barrel, the inner grinding wheel adjusting sleeve 8 comprises an inner barrel and an outer barrel 82, a grinding wheel column 81 is arranged at the top of the inner barrel, three positioning strips 83 are axially arranged on the peripheral wall of the outer barrel 82, the three positioning strips 83 are uniformly distributed on the circumference, and the inner wall of the lower powder barrel 41 is provided with vertical through grooves corresponding to the three positioning strips so as to be suitable for the inner grinding wheel adjusting sleeve 8 to vertically move in the lower powder barrel 41. A powder outlet channel 84 is formed between the inner and outer cylinders of the inner grinding wheel adjusting sleeve 8, and the inner and outer cylinders are connected into an integral structure through ribs. The center of the inner cylinder is provided with a bolt hole 85, and a fixing bolt penetrates through the bolt hole 85 to fix the inner grinding wheel on the inner grinding wheel adjusting sleeve 8. The bottom end of the outer wall of the outer cylinder 82 is provided with a groove 86, the technological adjusting ring 12 is provided with a fixture block 121, the fixture block 121 is clamped in the groove 86, the technological adjusting ring 12 is in threaded connection with the lower portion of the adjusting ring 13, the upper portion of the adjusting ring 13 is in threaded connection with the lower powder cylinder 41, after the assembly position of the inner grinding wheel and the outer grinding wheel is adjusted by the bean grinding device, the technological adjusting ring 12 and the adjusting ring 13 are fixed through screws, the outer edge of the technological adjusting ring 12 is provided with a gear ring 122, and the technological adjusting ring 12 and the adjusting ring 13 are conveniently positioned and fixed. The outer wall of the adjusting shell 14 is provided with a handle 141, and the adjusting shell 14 is fixedly connected with the adjusting ring 13 through a screw. The up end of adjusting ring 13 sets up step-by-step adjustment groove 131, and step-by-step adjustment groove comprises the recess of a plurality of annular equipartitions, correspondingly sets up spring ball 42 on reducing gear box lower cover 4, and spring ball's ball supports on step-by-step adjustment groove, and when the adjusting disk rotated, spring ball moved on step-by-step adjustment groove's recess one by one.

The inner wall of the powder discharging cylinder is in interference fit with a powder discharging cover 11.

As mentioned above, the adjusting disk is composed of the inner grinding wheel adjusting sleeve 8, the adjusting housing 14, the adjusting ring 13, the process adjusting ring 12, the powder falling cover 11 and other parts, the direction shown by the arrow in fig. 6 of the inner grinding wheel adjusting sleeve 8 is the first direction, when the adjusting disk is rotated along the first direction, the inner grinding wheel adjusting sleeve 8 can be pushed to ascend, and then the inner grinding wheel connected with the inner grinding wheel adjusting sleeve 8 is driven to ascend in the central grinding bean cavity of the outer grinding wheel, so that the gap between the inner grinding wheel and the side wall of the grinding bean cavity is reduced, and the requirement of fine-grain grinding bean can be met; the inner grinding wheel adjusting sleeve 8 can be pushed to descend by rotating the adjusting disc in the second direction opposite to the first direction, the inner grinding wheel connected with the inner grinding wheel adjusting sleeve 8 is driven to descend in the central bean grinding cavity of the outer grinding wheel, so that the gap between the inner grinding wheel and the side wall of the bean grinding cavity is increased, and the requirement of coarse-grain bean grinding can be met.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all modifications which do not constitute inventive faculty are intended to be included within the scope of the invention.

Claims

1. A bean grinding device comprises a driving motor, a bean grinding chamber and an adjusting disc, wherein an outer grinding wheel and an inner grinding wheel are arranged in the bean grinding chamber; the powder feeding device is characterized by further comprising a lower powder barrel, wherein an inner grinding wheel mounting seat is arranged in the lower powder barrel, a straight-falling type powder outlet channel is arranged in the inner grinding wheel mounting seat, and the inner grinding wheel is fixedly mounted on the inner grinding wheel mounting seat.

2. The bean grinding device of claim 1, wherein a grinding support is arranged in the bean grinding chamber, the reduction gear pair comprises a reduction gear and a threaded rod, the grinding support comprises an integrally formed grinding wheel part and the reduction gear, and the outer grinding wheel is fixed in the grinding wheel part.

3. The bean grinding device of claim 2, wherein the grinding wheel portion is provided with an anti-rotation block, and the outer grinding wheel is provided with a mounting flange adapted to the anti-rotation block.

4. The bean grinding apparatus of claim 3, further comprising a powder-stirring barrel, wherein the top of the powder-stirring barrel is pressed against the mounting flange, thereby fixing the outer grinding wheel in the grinding carriage.

5. The bean grinding device according to claim 2 or 4, wherein the bean grinding chamber is formed by an upper cover of the reduction gearbox and a lower cover of the reduction gearbox, the ring surface of the first end and the ring surface of the second end of the grinding support are provided with ball rings, and the ball rings are respectively contacted with the surfaces of the upper cover of the reduction gearbox and the lower cover of the reduction gearbox.

6. The bean grinding device according to claim 5, wherein the adjusting disk comprises an inner grinding wheel adjusting sleeve, an adjusting shell, an adjusting ring and a process adjusting ring; the inner grinding wheel adjusting sleeve is arranged in the lower powder barrel instead of the inner grinding wheel mounting seat and comprises an inner barrel and an outer barrel, and a powder outlet channel is formed between the inner barrel and the outer barrel.

7. The bean grinding device of claim 6, wherein the bottom end of the outer wall of the outer cylinder is provided with a groove, the process adjusting ring is provided with a fixture block, the fixture block is clamped in the groove, the process adjusting ring is in threaded connection with the lower part of the adjusting ring, and the upper part of the adjusting ring is in threaded connection with the lower powder cylinder.

8. The bean grinding device of claim 7, wherein the top of the inner cylinder is provided with a grinding wheel column, the peripheral wall of the outer cylinder is axially provided with a positioning strip, and the inner wall of the lower powder cylinder is provided with a vertical through groove corresponding to the positioning strip.

9. The bean grinding apparatus according to claim 7, wherein: the upper end face of the adjusting ring is provided with a stepping adjusting groove, the stepping adjusting groove is formed by a plurality of grooves which are uniformly distributed in an annular mode, the lower cover of the reduction gearbox is provided with a spring ball, and the ball of the spring ball abuts against the stepping adjusting groove.