CN214386005U - Coffee roasting machine and stirring device thereof - Google Patents
Coffee roasting machine and stirring device thereof Download PDFInfo
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- CN214386005U CN214386005U CN202022946410.9U CN202022946410U CN214386005U CN 214386005 U CN214386005 U CN 214386005U CN 202022946410 U CN202022946410 U CN 202022946410U CN 214386005 U CN214386005 U CN 214386005U
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Abstract
The utility model relates to a coffee curer and agitating unit thereof, agitating unit includes: the baking container, the stirring shaft and the stirring paddle; a baking cavity is arranged in the baking container, at least part of the stirring shaft is arranged in the baking cavity, the stirring paddle is connected with the stirring shaft, and the stirring paddle is rotationally arranged in the baking cavity; the stirring paddle comprises a connecting rod, a first paddle piece and a second paddle piece, the connecting rod is perpendicular to the stirring shaft and is connected with the stirring shaft, the first paddle piece is connected with one end of the connecting rod, the second paddle piece is connected with the other end of the connecting rod, and the height of the first paddle piece in the baking container is different from the height of the second paddle piece in the baking container. The first paddle and the second paddle at the two ends of the stirring paddle are arranged to be different in height, so that the coffee beans in the roasting container can be stirred at different heights and roll, the stirring effect of the coffee beans is better, the coffee beans are roasted uniformly, and the roasting effect is better.
Description
Technical Field
The utility model relates to a coffee cures technical field, especially relates to a coffee curer and agitating unit thereof.
Background
The coffee roaster roasts coffee. With the improvement of living standard of people, the coffee baking machine is popularized in common households.
In the roasting process of the coffee beans, the coffee beans need to be stirred, so that the coffee beans are heated uniformly, and the roasting effect of the coffee beans is better. Although the existing household coffee roasting machine is provided with the stirrer, the stirrer can only realize rotary stirring, and cannot realize the up-and-down rolling stirring of coffee beans, so that the stirring is not uniform, and the roasting effect is influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, there is a need for a coffee roaster and a stirring device thereof.
A stirring device, comprising: the baking container, the stirring shaft and the stirring paddle;
a baking cavity is arranged in the baking container, at least part of the stirring shaft is arranged in the baking cavity, the stirring paddle is connected with the stirring shaft, and the stirring paddle is rotationally arranged in the baking cavity;
the stirring paddle comprises a connecting rod, a first paddle and a second paddle, the connecting rod is perpendicular to the stirring shaft and is connected with the stirring shaft, the first paddle is connected with one end of the connecting rod, the second paddle is connected with the other end of the connecting rod, and the height of the first paddle in the baking container is different from that of the second paddle in the baking container.
In one embodiment, the first and second paddles are inclined to each other.
In one embodiment, the connecting rod comprises a first sub-rod and a second sub-rod, the first sub-rod comprises a first sub-rod body and an L-shaped part, one end of the first sub-rod body is connected with the stirring shaft, the other end of the first sub-rod body is connected with the L-shaped part, one end of the L-shaped part far away from the first sub-rod body is connected with the first blade, and the first blade is perpendicular to the first sub-rod body; the second sub-rod comprises a second sub-rod body and a connecting part, one end of the second sub-rod body is connected with the stirring shaft, the other end of the second sub-rod body is connected with the connecting part, the second sub-rod body is perpendicular to the connecting part, one end, far away from the second sub-rod body, of the connecting part is connected with the second paddle, and the second paddle is parallel to the second sub-rod body.
In one embodiment, the distance between the first blade and the stirring shaft is different from the distance between the second blade and the stirring shaft.
In one embodiment, the width of the first blade is different from the width of the second blade.
In one embodiment, the first paddle has a height greater than a width of the first paddle in a direction parallel to the bottom of the torrefaction vessel, and the second paddle has a height less than a width of the second paddle in a direction parallel to the bottom of the torrefaction vessel.
In one embodiment, the height of the first paddle within the torrefaction vessel is greater than the height of the second paddle within the torrefaction vessel.
In one embodiment, the width of the end of the first blade proximate the bottom of the torrefaction vessel is greater than the width of the end of the first blade distal from the bottom of the torrefaction vessel.
In one embodiment, the baking container further comprises a driving motor in driving connection with the stirring shaft, the bottom of the baking container is provided with a plurality of slag discharge ports, and the distance between the first blade and the stirring shaft is greater than the distance between the second blade and the stirring shaft; the width of the first blade is smaller than the width of the second blade; when the first paddle and the second paddle rotate to the same position in the roasting container respectively, the first paddle and the second paddle are not in the same direction, and the area covered by the rotation of the first paddle is at least partially overlapped with the area covered by the rotation of the second paddle.
A coffee roasting machine comprising a stirring device as described in any of the above embodiments.
The utility model has the advantages that: the first paddle and the second paddle at the two ends of the stirring paddle are arranged to be different in height, so that the coffee beans in the roasting container can be stirred at different heights and roll, the stirring effect of the coffee beans is better, the coffee beans are roasted uniformly, and the roasting effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of a one-directional partial cross-sectional structure of a stirring device according to an embodiment;
FIG. 2 is a schematic view of another embodiment of a stirring device;
fig. 3 is a schematic structural diagram of a coffee roaster according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a stirring device 200 according to an embodiment of the present invention includes: a baking container 210, a stirring shaft 220 and a stirring paddle; a baking cavity 211 is arranged in the baking container 210, the stirring shaft 220 is at least partially arranged in the baking cavity 211, the stirring paddle 230 is connected with the stirring shaft 220, and the stirring paddle 230 is rotatably arranged in the baking cavity 211; the stirring paddle 230 includes a connecting rod 240, a first blade 250 and a second blade 260, the connecting rod 240 is perpendicular to the stirring shaft 220 and is connected to the stirring shaft 220, the first blade 250 is connected to one end of the connecting rod 240, the second blade 260 is connected to the other end of the connecting rod 240, and the first blade 250 is disposed at a height in the roasting container 210 different from the height of the second blade 260 in the roasting container 210.
In this embodiment, the roasting cavity 211 of the roasting container 210 is used for containing coffee beans, and the coffee beans in the roasting cavity 211 are roasted after hot air is introduced into or heated by the roasting container 210. The stirring paddle 230 is used for stirring coffee beans in the roasting cavity 211, the stirring shaft 220 rotates to drive the stirring paddle 230 to rotate, so that the first blades 250 and the second blades 260 at two ends of the stirring paddle 230 push the coffee beans to rotate and roll, the coffee beans are stirred in the roasting process, and the roasting effect of the coffee beans is better.
Specifically, the first paddles 250 have a height in the roasting container 210 which is the distance between the end of the first paddles 250 away from the bottom of the roasting container 210 and the bottom of the roasting container 210, and the second paddles 260 have a height in the roasting container 210 which is the distance between the end of the second paddles 260 away from the bottom of the roasting container 210 and the bottom of the roasting container 210, so that the first paddles 250 and the second paddles 260 can stir coffee beans having different heights respectively and make the coffee beans tumble at different heights, thereby sufficiently stirring the coffee beans during roasting, uniformly roasting the coffee beans, and making the roasting effect better.
In this embodiment, the container port 212 is formed at the top of the roasting container 210, the container port 212 communicates with the roasting cavity 211, so that the coffee beans can be put into the roasting cavity 211 from the container port 212, when roasting, as shown in fig. 3, the roasting container 210 filled with the coffee beans is installed in the coffee roasting machine 10, the top cover 110 covers the top of the roasting container 210, and the container port 212 is sealed by the top cover of the coffee roasting machine.
In order to drive the stirring paddle 230 to rotate, in one embodiment, the stirring device 200 further includes a driving motor (not shown) in driving connection with the stirring shaft 220, and a plurality of slag discharging ports 213 are formed at the bottom of the baking container 210, and the slag discharging ports 213 are communicated with the baking cavity 211. In this embodiment, the driving motor is used to drive the stirring shaft 220 to rotate, so that the stirring shaft 220 drives the stirring paddle 230 to rotate in the baking cavity 211. In one embodiment, a through hole (not shown) is formed in the bottom of the baking container 210, the driving motor is disposed outside the bottom of the baking container 210, one end of the stirring shaft 220 is connected to a power output end of the driving motor, and the other end of the stirring shaft 220 penetrates through the through hole to be connected to the stirring paddle 230 disposed in the baking cavity 211, so that the driving of the driving motor to the stirring paddle 230 is achieved. Referring to fig. 2, during roasting, the skin of the coffee bean is detached and may fall from the residue discharge port 213 during stirring, thereby discharging the coffee bean residue.
To further enable the coffee beans to be uniformly stirred and the coffee beans to be uniformly roasted by heat, in one embodiment, as shown in fig. 1 and 2, the first paddles 250 and the second paddles 260 are inclined to each other.
In this embodiment, the first paddles 250 and the second paddles 260 are arranged in different directions, and the first paddles 250 and the second paddles 260 are inclined to each other, that is, the first paddles 250 and the second paddles 260 are not parallel to each other, so that the first paddles 250 and the second paddles 260 can apply different directions of pushing force to the coffee beans during rotation, and when the first paddles 250 and the second paddles 260 rotate to the same position in the roasting container 210, the first paddles 250 and the second paddles 260 have different directions of movement, and the coffee beans are irregularly moved by the first paddles 250 and the second paddles 260, and thus the coffee beans are sufficiently and uniformly stirred. It should be understood that, in the conventional stirring paddle 230, two ends of the stirring paddle 230 are parallel to each other, so that the coffee beans can only be stirred regularly, but this is not favorable for uniform heating of the coffee beans in different directions and different surfaces.
In order to enable the first and second paddles 250 and 260 to stir the coffee beans in different directions, in one embodiment, as shown in fig. 2, the connecting rod 240 includes a first sub-rod 241 and a second sub-rod 244, the first sub-rod 241 includes a first sub-rod body 242 and an L-shaped portion 243, one end of the first sub-rod body 242 is connected with the stirring shaft 220, the other end of the first sub-rod body 242 is connected with the L-shaped portion 243, one end of the L-shaped portion 243 far away from the first sub-rod body 242 is connected with the first paddle 250, and the first paddle 250 is perpendicular to the first sub-rod body 242; the second sub-rod 244 includes a second sub-rod body 245 and a connecting portion 246, one end of the second sub-rod body 245 is connected to the stirring shaft 220, the other end of the second sub-rod body 245 is connected to the connecting portion 246, the second sub-rod 244 is perpendicular to the connecting portion 246, one end of the connecting portion 246, which is far away from the second sub-rod body 245, is connected to the second paddle 260, and the second paddle 260 is parallel to the second sub-rod body 245.
In the present embodiment, the first sub-rod body 242 and the second sub-rod body 245 are respectively connected to both sides of the stirring shaft 220, one end of the L-shaped portion 243 is perpendicular to and connected to the first sub-rod body 242 such that the other end of the L-shaped portion 243 is parallel to the first sub-rod body 242, the first paddle 250 is perpendicular to one end of the L-shaped portion 243 away from the first sub-rod body 242, the second paddle 260 is parallel to the second sub-rod body 245, and the included angle between the first sub-rod body 242 and the second sub-rod body 245 is less than 30 °, so that not only the first paddle 250 and the second paddle 260 are inclined to each other such that the orientations thereof are different, but also the first paddle 250 and the second paddle 260 can respectively apply forces to the coffee beans in different directions, for example, as shown in fig. 2, the direction of the paddle applies a force to the coffee beans in a direction toward the inside of the roasting container 210 to the coffee beans by the first paddle 250, the second paddles 260 apply a force to the coffee beans in a direction towards the outside of the roasting container 210, so that the coffee beans located inside and outside the roasting container 210 can exchange positions with each other, so that the coffee beans are roasted more uniformly.
It is worth mentioning that in each embodiment, the direction of the first paddle 250 and the second paddle 260 is the direction of the first paddle 250 and the second paddle 260 pushing one side of the coffee beans, for example, the first paddle 250 is provided with a first pushing surface perpendicular to the length direction of the first sub-rod body 242, and the second paddle 260 is provided with a second pushing surface parallel to the length direction of the second sub-rod body 245.
In order to achieve a uniform stirring of the coffee beans in the roasting container 210 at different positions from the center of the rotation, in one embodiment, referring to fig. 1 and 2, the distance between the first blades 250 and the stirring shaft 220 is different from the distance between the second blades 260 and the stirring shaft 220.
In this embodiment, since the first and second paddles 250 and 260 have different rotation distances from the rotation axis, the first and second paddles 250 and 260 can stir coffee beans at different positions, so that the whole coffee beans are uniformly stirred, and the roasting effect is better.
In one embodiment, the distance between the first blades 250 and the stirring shaft 220 is greater than the distance between the second blades 260 and the stirring shaft 220. In this embodiment, the length of the first sub-rod body 242 is greater than the length of the second sub-rod body 245, so that the distance between the first blade 250 and the stirring shaft 220 is greater than the distance between the second blade 260 and the stirring shaft 220. In this embodiment, the first paddle 250 is positioned outboard of the roasting chamber 211 and the second paddle 260 is positioned inboard of the roasting chamber 211 such that the first and second paddles 250, 260 each stir coffee beans at different locations within the roasting chamber 211.
In one embodiment, the width of the first blade 250 is different from the width of the second blade 260. In this embodiment, the width of the first blade 250 is smaller than the width of the second blade 260.
Specifically, the width of the first paddles 250 is the width of the first paddles 250 in a direction parallel to the bottom of the roasting container 210, and the width of the second paddles 260 is the width of the second paddles 260 in a direction parallel to the bottom of the roasting container 210, so that the coffee beans can be tumbled at different angles at different positions due to the different widths of the first paddles 250 and the second paddles 260, further making the stirring effect of the coffee beans better.
In one embodiment, the first paddles 250 have a height that is greater than a width of the first paddles 250 in a direction parallel to the bottom of the torrefaction container 210, and the second paddles 260 have a height that is less than a width of the second paddles 260 in a direction parallel to the bottom of the torrefaction container 210. In this embodiment, the first paddles 250 have a greater height within the torrefaction container 210 than the second paddles 260.
In the present embodiment, since the first paddles 250 have a height greater than a width thereof and the second paddles 260 have a height less than a width thereof, it is equivalent to that the first paddles 250 are arranged in a direction perpendicular to the bottom of the roasting container 210 and the second paddles 260 are arranged in a direction perpendicular to and parallel to the bottom of the roasting container 210, and since the first paddles 250 are arranged in a position close to the outer side of the roasting container 210 and the second paddles 260 are arranged in a position close to the inner side of the roasting container 210, the first paddles 250 and the second paddles 260 can not only cover more area of the roasting container 210, but also enable the first paddles 250 and the second paddles to stir the coffee beans differently, for example, the first paddles 250 push the coffee beans to roll to both sides and the second paddles 260 push the coffee beans to roll up and down, so that the coffee beans inside and outside can not only roll in a transposed manner, but also roll in different directions, further, the stirring effect is further improved.
In one embodiment, the area covered by the rotation of the first blade at least partially coincides with the area covered by the rotation of the second blade. In this embodiment, the first paddle is rotatably disposed at a position near the outside of the roasting container, and the second paddle is rotatably disposed at a position near the inside of the roasting container, and the areas covered by the rotation of the first paddle and the second paddle are at least partially overlapped, so that the first paddle and the second paddle can completely cover each area of the roasting container, thereby realizing comprehensive and sufficient stirring of the coffee beans.
In one embodiment, the width of the first paddle 250 at the end near the bottom of the torrefaction vessel 210 is greater than the width of the first paddle 250 at the end away from the bottom of the torrefaction vessel 210. In this embodiment, the first paddle 250 is provided with the step portion 251 and the portion below the step portion 251, the width of the first paddle 250 is larger, and the width of the first paddle 250 is smaller at the portion above the step portion, so that the first paddle 250 can irregularly stir coffee beans with different heights, and the coffee beans roll over, and the stirring effect of the coffee beans is better.
In one embodiment, as shown in FIG. 3, a coffee roaster 10 is provided, including a stirring device 200 as described in any of the above embodiments.
In this embodiment, the coffee roasting machine is further provided with a heating mechanism for heating the roasting container 210 and the roasting cavity 211, so that the coffee beans in the roasting container 210 are roasted, and a smoke exhausting mechanism for exhausting smoke during roasting. It should be understood that the coffee roaster may also comprise other structures, which can be implemented by using the prior art, and which are not described in the embodiment.
In the above embodiment, by setting the first and second paddles 250 and 260 at the two ends of the stirring paddle 230 to different heights, the coffee beans in the roasting container 210 can be stirred at different heights and tumbled, so that the stirring effect of the coffee beans is better, the coffee beans are roasted uniformly, and the roasting effect is better.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A stirring device, comprising: the baking container, the stirring shaft and the stirring paddle;
a baking cavity is arranged in the baking container, at least part of the stirring shaft is arranged in the baking cavity, the stirring paddle is connected with the stirring shaft, and the stirring paddle is rotationally arranged in the baking cavity;
the stirring paddle comprises a connecting rod, a first paddle and a second paddle, the connecting rod is perpendicular to the stirring shaft and is connected with the stirring shaft, the first paddle is connected with one end of the connecting rod, the second paddle is connected with the other end of the connecting rod, and the height of the first paddle in the baking container is different from that of the second paddle in the baking container.
2. The stirring device of claim 1, wherein said first and second paddles are inclined to each other.
3. The stirring device of claim 2, wherein the connecting rod comprises a first sub-rod and a second sub-rod, the first sub-rod comprises a first sub-rod body and an L-shaped portion, one end of the first sub-rod body is connected with the stirring shaft, the other end of the first sub-rod body is connected with the L-shaped portion, one end of the L-shaped portion, far away from the first sub-rod body, is connected with the first paddle, and the first paddle is perpendicular to the first sub-rod body; the second sub-rod comprises a second sub-rod body and a connecting part, one end of the second sub-rod body is connected with the stirring shaft, the other end of the second sub-rod body is connected with the connecting part, the second sub-rod body is perpendicular to the connecting part, one end, far away from the second sub-rod body, of the connecting part is connected with the second paddle, and the second paddle is parallel to the second sub-rod body.
4. The mixing device of claim 1, wherein the distance between said first blade and said mixing shaft is different from the distance between said second blade and said mixing shaft.
5. The stirring device of claim 1, wherein the width of the first blade is disposed differently than the width of the second blade.
6. The stirring device of claim 1, wherein the first blades have a height greater than a width of the first blades in a direction parallel to the bottom of the torrefaction vessel, and wherein the second blades have a height less than a width of the second blades in a direction parallel to the bottom of the torrefaction vessel.
7. The stirring device of claim 1, wherein the first blade has a height within the torrefaction vessel that is greater than a height of the second blade within the torrefaction vessel.
8. The stirring device of claim 1, wherein the width of the end of the first blade proximal to the bottom of the torrefaction vessel is greater than the width of the end of the first blade distal to the bottom of the torrefaction vessel.
9. The stirring device according to any one of claims 1 to 8, further comprising a driving motor in driving connection with the stirring shaft, wherein the bottom of the roasting container is provided with a plurality of slag discharge ports, and the distance between the first blade and the stirring shaft is greater than the distance between the second blade and the stirring shaft; the width of the first blade is smaller than the width of the second blade; when the first and second paddles rotate to the same position within the torrefaction container, respectively, the first and second paddles are not oriented in the same direction; the area covered by the rotation of the first blade is at least partially overlapped with the area covered by the rotation of the second blade.
10. A coffee roasting machine characterized by comprising a stirring device as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022946410.9U CN214386005U (en) | 2020-12-11 | 2020-12-11 | Coffee roasting machine and stirring device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022946410.9U CN214386005U (en) | 2020-12-11 | 2020-12-11 | Coffee roasting machine and stirring device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214386005U true CN214386005U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022946410.9U Active CN214386005U (en) | 2020-12-11 | 2020-12-11 | Coffee roasting machine and stirring device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN214386005U (en) |
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2020
- 2020-12-11 CN CN202022946410.9U patent/CN214386005U/en active Active
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