CN218978679U - Grinding device and coffee bean grinder - Google Patents

Abstract

The utility model discloses a grinding device and a coffee bean grinder, which comprises a box body, a grinding component, a driving component and a power line, wherein the grinding component comprises a cutter head assembly, a transmission component and a transmission shaft, the driving component and the power line provide power sources, the transmission component drives the transmission shaft to rotate so as to enable the cutter head assembly to rotate to realize grinding, a metal baffle is arranged between a powder outlet pipe fitting and a grinding cavity and is connected with the grounding end of the power line, most of powder is limited in a semi-closed space formed between the metal baffle and the grinding cavity in the box body in the grinding process, the powder is driven to rotate along with the rotation of the cutter head assembly, the powder can be contacted with the metal baffle, and electrostatic charges generated by the powder are guided to flow to the ground by the power line by utilizing the metal baffle as a medium, so that the static electricity of the powder in the grinding cavity is eliminated in a large area, and the problem of flying powder or powder agglomerating is solved when the powder enters the powder outlet pipe fitting is solved.

Description

Grinding device and coffee bean grinder

Technical Field

The utility model relates to the technical field of coffee bean grinding equipment, in particular to a grinding device and a coffee bean grinder.

Background

At present, semi-automatic or full-automatic coffee machines all comprise a grinding program, which is used for grinding coffee beans into coffee powder, a motor is adopted to drive a bean grinding cutter to rotate so as to crush the coffee beans, however, static electricity can be generated due to friction between the coffee beans and the bean grinding cutter in the crushing and grinding processes, so that the coffee powder is provided with a certain amount of electric charge, the problems of powder flying and agglomeration can be generated, and the problems are particularly caused by adsorption or scattering caused by the static electricity, so that the cleanliness of the coffee machine is insufficient, and inconvenience is brought to users.

The coffee bean grinder in the prior art comprises a box body, a grinding assembly and a powder discharging assembly, wherein the powder discharging assembly comprises a powder discharging pipe fitting, and the electrostatic treatment mode of the coffee powder is that an ion generator is arranged on the powder discharging pipe fitting, and negative ions and electrostatic charges are generated by the ion generator to neutralize.

However, the coffee beans are crushed in the grinding cavity in the box body by the grinding component, part of powder is thrown out by the rotation inertia action of the cutter head of the grinding component, but residual powder remains in the grinding cavity by the static action, and the residual powder cannot be subjected to static elimination when not entering the powder outlet pipe fitting, so that the static treatment effect of the powder is not satisfactory to users by arranging the ion generator on the powder outlet pipe fitting.

Therefore, there is room for improvement in the manner of electrostatic treatment of powder in a coffee bean grinding apparatus.

Disclosure of Invention

The utility model aims to provide a grinding device and a coffee bean grinder, and aims to solve the technical problems in the background art.

To achieve the above object, according to a first aspect of the present application, there is provided a polishing apparatus comprising:

a case; the grinding component is arranged in the box body and is partially leaked outside the box body; the grinding component comprises a cutter head assembly, a transmission assembly and a transmission shaft, wherein the transmission shaft penetrates through the transmission assembly, and the upper end of the transmission shaft is connected and fixed with the cutter head assembly; the driving shaft of the driving member is connected with the transmission shaft through belt transmission; the power line is connected with the driving device and used for being connected with an external power supply; wherein a grinding cavity is formed between the cutterhead assembly and the box body; the box body is externally provided with a powder outlet pipe fitting, and a powder outlet channel communicated with the powder grinding cavity is arranged in the powder outlet pipe fitting; the powder grinding device is characterized in that a metal baffle plate is arranged at the position where the powder outlet channel is communicated with the powder grinding cavity, an opening for powder circulation is formed in the metal baffle plate, and one position on the metal baffle plate is connected with the grounding end of the power line.

The utility model provides a grinder in this application, it includes the box, the grinding member, driving member and power cord, including the blade disc subassembly in the grinding member, drive assembly and transmission shaft, driving member and power cord provide power source, drive the transmission shaft through drive assembly and rotate and make the blade disc subassembly rotate work and realize the crocus, through setting up a metal separation blade between play powder pipe fitting and crocus chamber, the earthing terminal of power cord is connected to the metal separation blade, in the crocus in-process, the powder is mostly restricted in the semi-enclosed space that constitutes between the crocus chamber in metal separation blade and box, work drive powder rotation along with blade disc subassembly rotation, the powder all can be contacted with metal separation blade, utilize the electrostatic charge flow direction earth that the metal separation blade produced for medium guide powder by the power cord, thereby realize carrying out the elimination of large tracts of land to powder static in the crocus chamber, thereby produce the powder or the problem of powder caking when solving powder and getting into play powder pipe fitting.

Further, the metal baffle plate comprises:

the area of the base part is larger than the channel sectional area of the inlet position of the powder outlet channel, a notch is formed in the base part, and the notch is opposite to the inlet position of the powder outlet channel;

the folding grid bars are arranged in the gaps.

In an embodiment of the present application, the powder outlet pipe fitting includes:

a lower pipe fitting, one end of which is fixedly arranged on the box body;

the upper pipe fitting is arranged in an aligned manner with the lower pipe fitting, and the powder outlet channel is formed;

the two sides of the lower pipe fitting are provided with mounting grooves, after the lower pipe fitting and the upper pipe fitting are aligned and mounted, a mounting cavity is configured at the position of the mounting groove, and a rotating piece is mounted in the mounting cavity.

Further, the rotating member includes:

the rotating shaft is erected in the mounting groove;

the rotating block is arranged on the rotating shaft and partially protrudes out of the powder outlet pipe fitting;

and a first distance is reserved between one side of the rotating block and the bottom of the mounting groove.

Further, a plurality of buckling holes are arranged on the lower pipe fitting;

relatively, a plurality of hooks are arranged on the upper pipe fitting;

after the lower pipe fitting and the upper pipe fitting are aligned and installed, the plurality of hooks are buckled with the plurality of hooks in a one-to-one correspondence manner.

Further, a through hole is formed in one end, close to the box body, of the lower pipe fitting;

a cylinder column is arranged on the outer side of the box body;

the spool passes through the through hole to position the lower tube relative to the box.

Further, one end of the upper pipe fitting, which is close to the box body, is provided with a screw hole;

the upper pipe fitting and the barrel column are screwed in the barrel column through the screw holes by the fixing piece for fixing, and the upper pipe fitting and the lower pipe fitting are combined and installed on the outer side of the box body.

In a second aspect of the present application, there is provided a coffee bean grinder comprising a grinding device as described above.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

FIG. 1 is a cross-sectional view of a configuration of a polishing apparatus in an embodiment of the present application;

fig. 2 is a schematic structural view showing a powder pipe in the grinding apparatus in the embodiment of the present application;

FIG. 3 is a schematic view of a metal baffle in an embodiment of the present application;

fig. 4 is a structural exploded view of the powder discharge tube in the embodiment of the present application.

Detailed Description

In order to better illustrate the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the embodiments of the present application.

The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims. In the description of this application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

The coffee bean grinder in the existing design comprises a box body, a grinding assembly and a powder discharging assembly, wherein the powder discharging assembly comprises a powder discharging pipe fitting, and the electrostatic treatment mode of the coffee powder is that an ion generator is arranged on the powder discharging pipe fitting, and negative ions and electrostatic charges are generated by the ion generator to neutralize.

However, the coffee beans are crushed in the grinding cavity in the box body by the grinding component, part of powder is thrown out by the rotation inertia action of the cutter head of the grinding component, but residual powder remains in the grinding cavity by the static action, and the residual powder cannot be subjected to static elimination when not entering the powder outlet pipe fitting, so that the static treatment effect of the powder is not satisfactory to users by arranging the ion generator on the powder outlet pipe fitting.

Therefore, the technical problem actually solved by the utility model is how to effectively eliminate static electricity of coffee bean powder in a coffee bean grinding device.

As a preferred embodiment of the present application, in a first aspect thereof, as shown in fig. 1 and 2, there is provided a polishing apparatus comprising:

a case 1; a grinding member disposed inside the case 1 and partially leaking outside the case 1; the grinding component comprises a cutter head assembly 21, a transmission assembly 22 and a transmission shaft 23, wherein the transmission shaft 23 penetrates through the transmission assembly 22, and the upper end of the transmission shaft 23 is connected and fixed with the cutter head assembly 21; a driving member 3, wherein a driving shaft of the driving member 3 is connected with a transmission shaft 23 through a belt transmission; a power line 4, wherein the power line 4 is connected with the driving device and is used for connecting an external power supply; wherein, a grinding cavity 11 is formed between the cutter head assembly 21 and the box body 1; the powder outlet pipe fitting 5 is arranged outside the box body 1, and a powder outlet channel 51 communicated with the powder grinding cavity 11 is arranged in the powder outlet pipe fitting 5; the position where the powder outlet channel 51 is communicated with the powder grinding cavity 11 is provided with a metal baffle 6, the metal baffle 6 is provided with an opening for powder circulation, and one position on the metal baffle 6 is connected with the grounding end of the power line 4.

The utility model provides a grinder in this application, it includes box 1, the grinding component, driving member 3 and power cord 4, including cutter head subassembly 21 in the grinding component, drive assembly 22 and transmission shaft 23, driving member 3 and power cord 4 provide the power source, drive transmission shaft 23 rotation and make cutter head subassembly 21 rotate work and realize the crocus through drive assembly 22, through setting up a metal separation blade 6 between play powder pipe fitting 5 and crocus chamber 11, the earthing-up end of power cord 4 is connected to metal separation blade 6, in the crocus in-process, the powder is mostly restricted in the semi-enclosed space that constitutes between crocus chamber 11 in metal separation blade 6 and box 1, rotate work along with cutter head subassembly 21 and drive powder rotation, the powder homoenergetic is with metal separation blade 6 contact, utilize metal separation blade 6 to guide the electrostatic charge flow direction ground that the powder produced for the medium by power cord 4, thereby realize carrying out the elimination of large tracts of land to powder static in crocus chamber 11, thereby produce the problem that flies powder or powder caking when solving the powder and getting into play powder pipe fitting 5.

In the present embodiment, the casing 1 is used for loading the polishing member and the driving member 3.

The cutter head assembly 21 in the grinding member is used for crushing the coffee beans and is generally provided with a cutter head capable of rotating to crush the coffee beans; the driving assembly 22 is used for driving the driving shaft 23 to rotate through the driving member 3 so as to enable the cutter head to rotate, and the driving assembly can be one of the belt driving assembly 22 or the chain belt driving assembly 22.

When the cutter head assembly 21 pulverizes coffee bean travel powder in the pulverizing cavity 11, part of the powder can synchronously rotate along with the rotation of the cutter head, so that the powder can be contacted with the metal baffle 6; after contacting the metal baffle 6, the electrostatic charge carried by the powder is guided by the metal baffle 6 to the ground line of the power line 4, and flows to the ground along with the metal baffle, so that the static electricity of the powder is eliminated.

Further, as shown in fig. 3, the metal baffle 6 includes:

a base portion 61, wherein the area of the base portion 61 is larger than the channel cross-sectional area of the inlet of the powder outlet channel 51, and a notch is formed on the base portion 61, and the notch is opposite to the inlet of the powder outlet channel 51;

a plurality of folding bars 62, the folding bars 62 being disposed within the indentations.

The base portion 61 is used to facilitate the overall installation of the metal baffle 6 on the outside of the case 1, and the metal baffle 6 is fully covered on the inlet of the powder outlet channel 51 by using the area of the base portion 61 larger than the channel cross-sectional area of the inlet of the powder outlet channel 51, and the metal baffle 6 is fixed on the outside of the case 1 by using the installation parts such as screws or bolts at the part of the metal baffle 6 with respect to the inlet of the powder outlet channel 51.

In addition, a plurality of folding bars 62 are arranged at the notches of the base part 61, and the folding bars 62 are mutually separated by a stroke for powder to enter the holes in the powder outlet pipe fitting 5, so that powder outlet is facilitated; and the arrangement of the folding grid bars 62 increases the contact area of the metal baffle 6 and the powder, which is beneficial to eliminating the static electricity of the powder.

Specifically, when the cutter head assembly 21 pulverizes coffee bean travel powder in the pulverizing cavity 11, part of the powder rotates synchronously along with the rotation of the cutter head, so that the powder can be contacted with the metal baffle 6, after the powder contacts with the metal baffle 6, the powder enters the powder outlet pipe fitting 5 through the hole to be discharged, and meanwhile, electrostatic charges carried by the powder are guided into the ground wire of the power wire 4 by the metal baffle 6, and flow to the ground along with the ground wire, so that the static electricity of the powder is eliminated.

Wherein, after setting up the row grid 62 of turning over, the hole is comparatively smaller, makes powder and metal separation blade 6 contact fully relatively, does benefit to the guide elimination of powder static.

Preferably, the folding bars 62 have at least one fold, for example, L-line folding bars 62 or Z-line folding bars 62, and the purpose of the folding bars 62 is to provide different shapes under the condition of satisfying the powder discharge efficiency.

After the metal baffle 6 is arranged, the inlet of the powder outlet channel 51 is possibly blocked due to the relatively reduced size of the inlet of the powder outlet channel 51, so that the maintenance after the powder outlet pipe fitting 5 is blocked is convenient,

in the embodiment of the present application, as shown in fig. 2 and 4, the powder outlet pipe 5 is detachable with respect to the case 1, and specifically, the powder outlet pipe 5 includes: a lower pipe fitting 51, wherein one end of the lower pipe fitting 51 is fixedly arranged on the box body 1; a top pipe 52, wherein the top pipe 52 and the bottom pipe 51 are arranged in alignment, and the powder outlet channel 51 is formed; namely, the lower pipe fitting 51 is detachably fixed with the body, and the upper pipe fitting 52 is assembled with the lower pipe fitting 51;

in addition, there are mounting grooves 511 on both sides of the lower pipe fitting 51, after the lower pipe fitting 51 and the upper pipe fitting 52 are aligned and mounted, a mounting cavity is configured at the position of the mounting groove 511, a rotating member 53 is mounted in the mounting cavity, and the rotating member 53 is used for separating the upper pipe fitting 52 and the lower pipe fitting 51 through rotation, so that the user can conveniently dismount.

When the rotating member 53 rotates, a part of the rotating member 53 abuts against the upper pipe member 52, and the upper pipe member 52 is lifted up by an external force, thereby achieving separation. The external force can be applied manually by the user or manually by the user with the aid of a tool.

Specifically, the rotating member 53 includes:

a rotation shaft 531, the rotation shaft 531 being installed in the installation groove 511; a rotating block 532, wherein the rotating block 532 is arranged on the rotating shaft 531, and the rotating block 532 partially protrudes out of the powder outlet pipe fitting 5; wherein, a first distance is provided between one side of the rotating block 532 and the bottom of the installation groove 511.

When the rotating member 53 rotates, the rotating shaft 531 rotates as a rotating shaft, the rotating block 532 rotates with the rotating shaft 531 until it abuts against the upper pipe member 52, and when the rotating shaft 531 rotates a first distance, the upper pipe member 52 is lifted up by the first distance, thereby achieving separation.

Further, in order to achieve stable connection between the upper pipe 52 and the lower pipe 51, as shown in fig. 4, a plurality of fastening holes 512 are disposed on the lower pipe 51; opposite, the upper pipe 52 is provided with a plurality of hooks 521; after the lower pipe fitting 51 and the upper pipe fitting 52 are aligned and installed, the plurality of hooks 521 are fastened with the plurality of hooks 521 in a one-to-one correspondence.

Further, as shown in fig. 2 and 4, a through hole 513 is formed at one end of the lower pipe fitting 51 near the box 1;

a cylinder 12 is arranged outside the box body 1;

the spool 12 passes through the through-hole 513 to pre-position the lower tubular member 51 relative to the housing 1.

At least one through hole 513 is formed in the tubular member 51 corresponding to at least one through hole 513 formed in the tubular member 12, and the number of through holes 513 is equal to the number of through holes 513 formed in the tubular member 12, when the tubular member 51 is mounted on the box body 1, the tubular member 12 passes through the through holes 513, and at this time, one position of the tubular member 51 is limited to the position of the tubular member 12, so that further mounting and connection of the tubular member 51 are facilitated.

Preferably, a screw hole 522 is formed at one end of the upper pipe 52 near the box 1; the upper pipe fitting 52 and the barrel column 12 are screwed into the barrel column 12 through screw holes 522 by fixing pieces, and the upper pipe fitting 52 and the lower pipe fitting 51 are combined and installed on the outer side of the box body 1. Wherein the fixing member may be one of a screw or a bolt.

In a second aspect of this embodiment, a coffee grinder is provided, including the grinding device as described above, the grinding device includes a box 1, a grinding member, a driving member 3 and a power cord 4, the grinding member includes a cutter assembly 21, a transmission assembly 22 and a transmission shaft 23, the driving member 3 and the power cord 4 provide a power source, the transmission assembly 22 drives the transmission shaft 23 to rotate so as to enable the cutter assembly 21 to rotate to implement grinding, a metal baffle 6 is disposed between the powder outlet pipe 5 and the grinding cavity 11, the metal baffle 6 is connected to a ground end of the power cord 4, during grinding, most of powder is limited in a semi-enclosed space formed between the metal baffle 6 and the grinding cavity 11 in the box 1, the powder is driven to rotate along with the rotation of the cutter assembly 21, the powder can contact with the metal baffle 6, and electrostatic charges generated by the powder are guided to flow to the ground by the power cord 4 by using the metal baffle 6 as a medium, so that the electrostatic charges generated by the powder in the grinding cavity 11 are eliminated in a large area, so that the problem that flying powder or clusters of the powder are generated when the powder enters the powder outlet pipe 5 is solved, and the coffee grinder can be conveniently and the coffee clusters can be prevented from flying and guided out.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims (8)

1. A grinding apparatus, comprising:

a case;

the grinding component is arranged in the box body and is partially leaked outside the box body;

the grinding component comprises a cutter head assembly, a transmission assembly and a transmission shaft, wherein the transmission shaft penetrates through the transmission assembly, and the upper end of the transmission shaft is connected and fixed with the cutter head assembly;

the driving shaft of the driving member is connected with the transmission shaft through belt transmission;

a power line connected to the driving member for connecting an external power source;

wherein a grinding cavity is formed between the cutterhead assembly and the box body;

the box body is externally provided with a powder outlet pipe fitting, and a powder outlet channel communicated with the powder grinding cavity is arranged in the powder outlet pipe fitting; the powder grinding device is characterized in that a metal baffle plate is arranged at the position where the powder outlet channel is communicated with the powder grinding cavity, an opening for powder circulation is formed in the metal baffle plate, and one position on the metal baffle plate is connected with the grounding end of the power line.

2. The grinding apparatus defined in claim 1, wherein the metal baffle comprises:

the area of the base part is larger than the channel sectional area of the inlet position of the powder outlet channel, a notch is formed in the base part, and the notch is opposite to the inlet position of the powder outlet channel;

the folding grid bars are arranged in the gaps.

3. The grinding apparatus defined in claim 1, wherein the powder discharge tube includes:

a lower pipe fitting, one end of which is fixedly arranged on the box body;

the upper pipe fitting is arranged in an aligned manner with the lower pipe fitting, and the powder outlet channel is formed;

the two sides of the lower pipe fitting are provided with mounting grooves, after the lower pipe fitting and the upper pipe fitting are aligned and mounted, a mounting cavity is configured at the position of the mounting groove, and a rotating piece is mounted in the mounting cavity.

4. A grinding apparatus as defined in claim 3, wherein said rotating member comprises:

the rotating shaft is erected in the mounting groove;

the rotating block is arranged on the rotating shaft and partially protrudes out of the powder outlet pipe fitting;

and a first distance is reserved between one side of the rotating block and the bottom of the mounting groove.

5. A grinding apparatus as defined in claim 3, wherein:

a plurality of buckling holes are arranged on the lower pipe fitting;

relatively, a plurality of hooks are arranged on the upper pipe fitting;

after the lower pipe fitting and the upper pipe fitting are aligned and installed, the plurality of hooks are buckled with the plurality of hooks in a one-to-one correspondence manner.

6. A grinding apparatus as defined in claim 3, wherein:

a through hole is formed in one end, close to the box body, of the lower pipe fitting;

a cylinder column is arranged on the outer side of the box body;

the spool passes through the through hole to position the lower tube relative to the box.

7. The grinding apparatus defined in claim 6, wherein:

a screw hole is formed in one end, close to the box body, of the upper pipe fitting;

the upper pipe fitting and the barrel column are screwed in the barrel column through the screw holes by the fixing piece for fixing, and the upper pipe fitting and the lower pipe fitting are combined and installed on the outer side of the box body.

8. A coffee bean grinder, characterized by comprising a grinding device according to any one of claims 1 to 7.

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