CN210695890U

CN210695890U - Air roasting machine for coffee beans

Info

Publication number: CN210695890U
Application number: CN201921134866.6U
Authority: CN
Inventors: 黎永源
Original assignee: Foshan Shunde Zhaozhihong Electric Appliance Co ltd
Current assignee: Foshan Shunde Zhaozhihong Electric Appliance Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-09
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a coffee bean air roasting machine, which comprises a machine body, a machine base arranged at the bottom of the machine body and an upper cover arranged at the top of the machine body, wherein green coffee beans to be roasted are placed in an inner cavity of the machine body, the air is heated through a hot air assembly in the machine base, and the hot air is blown into the inner cavity of the machine body, so that the green coffee beans evaporate the water contained in the green coffee beans through the hot air, and the water vapor is discharged through a vapor hole at the top of the upper cover; the hot air that constantly blows up makes the raw coffee beans incessant the rolling in the fuselage be heated simultaneously, has guaranteed being heated evenly of raw coffee beans itself, has avoided the local formation burnt of being heated excessively of raw coffee beans, makes this coffee beans air roasting machine's simple structure, convenient to use, portable to can guarantee the effect of roasting.

Description

Air roasting machine for coffee beans

Technical Field

The utility model relates to a kitchen appliance field especially relates to a coffee bean air baking machine.

Background

Currently, coffee is a drink which is often drunk in daily life along with the improvement of living standard of people, for coffee, people pay attention to the texture of coffee after brewing, and meanwhile, the coffee bean frying and grinding are also paid attention to, but the existing coffee bean frying machine is generally finished by a manufacturer through a large commercial bean frying machine in a unified way, so that the flavor and the taste of coffee cannot be prepared according to personal preference, and for users who need to enjoy the bean frying process and watch the bean frying machine, the large commercial bean frying machine is not suitable for families.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a coffee bean air roasting machine which can be used for household use and has good roasting effect.

The utility model provides a technical scheme that its technical problem adopted is:

an air roasting machine for coffee beans, comprising:

the coffee bean roasting machine comprises a machine body, wherein an inner cavity of the machine body contains green coffee beans to be roasted;

the upper cover is arranged at the top of the machine body, and a steam hole is formed in the top of the upper cover;

the machine base is arranged at the bottom of the machine body, a hot air assembly is arranged in the machine base, and the hot air assembly heats air and blows the air into the inner cavity, so that the green coffee beans are rolled in the inner cavity of the machine body and are heated and caramelized.

As a preferred option, the lid is collected to the soyabean clothing that is equipped with in the fuselage, the upwards arch of bottom plate that the lid was collected to the soyabean clothing forms a boss, the boss with the collection chamber is collected to the inner wall that the lid was collected to the soyabean clothing between, the boss top be equipped with the communicating through-hole of inner chamber, soyabean clothing in the inner chamber passes through the through-hole blows in collect the intracavity, evenly open on the boss lateral wall has the grid hole.

As a preferred item, the machine body comprises an outer cylinder and an inner cylinder arranged in the outer cylinder, a heat insulation cavity is formed between the inner cylinder and the outer cylinder, and the inner cavity is a cavity formed by the inner cylinder.

As a preferred item, the outer cylinder and the inner cylinder are made of transparent glass.

As a preferred item, the bottom of the upper cover is connected with a filter screen plate through a buckle assembly.

As a preferred item, the buckle component comprises a clamping block arranged on the outer edge of the filter screen plate and a clamping concave position arranged on the inner wall of the upper cover.

As a preferred item, the clamping block protrudes upwards, the clamping concave position is divided into a first clamping concave position and a second clamping concave position connected with the first clamping concave position, and the second clamping concave position is positioned on the left side or the right side of the first clamping concave position; the second clamping concave position extends upwards along the inner wall of the upper cover and is higher than the top of the upper cover.

As a preferred option, the top of the hot air component is provided with an accelerating cylinder positioned in the machine base, the accelerating cylinder is communicated with the inner cavity through an upper opening, the hot air component blows hot air through a lower opening of the accelerating cylinder, and the diameter of the upper opening is smaller than that of the lower opening; and a separation screen plate for separating the inner cavity from the inner cavity of the acceleration cylinder is arranged in the upper opening.

As a preferred option, the hot air assembly comprises a support, an air inlet is formed in a bottom plate of an inner cavity of the support, a blade is arranged above the air inlet, the blade is connected with a rotating motor located at the bottom of the support, and a heating pipe is arranged on the rotating motor.

As a preference, the blade is provided with wind blocking sheets.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above-mentioned additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an exploded schematic view of the present invention;

fig. 4 is a schematic sectional view of the upper cover and the body of the present invention in a combined state;

fig. 5 is a schematic cross-sectional view of the base of the present invention;

FIG. 6 is an exploded view of the upper cover and the filter plate of the present invention;

fig. 7 is a schematic sectional view of the upper cover of the present invention;

fig. 8 is a schematic perspective view of the bean coat collecting cover of the present invention.

Detailed Description

Referring to fig. 1 to 3, in the roasting process of coffee beans, water contained in raw coffee beans is evaporated at a high temperature, and when the water is gradually evaporated, the raw coffee beans are gradually caramelized and the color thereof is also changed into coffee; according to the principle, the air roasting machine comprises a machine body 1, a machine base 2 arranged at the bottom of the machine body 1 and an upper cover 3 arranged at the top of the machine body 1, wherein green coffee beans to be roasted are placed in an inner cavity 100 of the machine body 1, air is heated through a hot air assembly 4 in the machine base 2, the hot air is blown into the inner cavity 100, so that the green coffee beans evaporate water contained in the green coffee beans through the hot air, and water vapor is discharged through a vapor hole 31 at the top of the upper cover 3; the hot air that constantly blows up makes the green coffee beans incessant the rolling in fuselage 1 simultaneously be heated, has guaranteed being heated evenly of green coffee beans itself, has avoided the local excessive formation burnt of being heated of green coffee beans, makes this coffee beans air roasting machine's simple structure, convenient to use, portable to can guarantee the effect of roasting.

Referring to fig. 2, 4 and 8, in the process of roasting the green coffee beans, the bean coat wrapped on the green coffee beans gradually falls off along with the roasting, in order to collect the bean coat and ensure the purity of the green coffee beans after the roasting, a bean coat collecting cover 5 is arranged in the machine body 1, a boss 51 is formed by the upward protrusion of the bottom plate of the bean coat collecting cover 5, a collecting cavity 52 is formed between the boss 51 and the inner wall of the bean coat collecting cover 5, the bean coat is collected through the collecting cavity 52, in order to enable the bean coat to enter the bean coat collecting cover 5 and be collected, a through hole 511 communicated with the inner cavity of the machine body 1 is arranged at the top of the boss 51, the bean coat is blown into the bean coat collecting cover 5 under the action of the hot air blown upwards and falls into the collecting cavity 52 to be collected, in order to increase the permeability of the hot air and reduce the wind speed at the through hole 511, grid holes 512 are uniformly arranged on the side wall of the boss 51, the grid holes 512 can intercept the bean coat.

Referring to fig. 2 to 4, the machine body 1 includes an outer cylinder 11 and an inner cylinder 12 installed in the outer cylinder 11, an inner cavity 100 is a cavity formed by the inner cylinder 12, raw coffee beans to be roasted are put into the inner cylinder 12, a heat insulation cavity 13 is formed between the inner cylinder 12 and the outer cylinder 11, heat in the inner cylinder 12 is isolated by the heat insulation cavity 13, heat in the inner cylinder 12 is prevented from being dissipated too fast, and the roasting progress is prevented from being influenced by temperature fluctuation.

The existing household or conference roaster adopts a metal rotary drum, the color of coffee beans is not easy to observe in the roasting process, so that the roasted coffee beans are not cooked or well cooked or burnt, and the roasted coffee beans cannot be eaten, therefore, the outer cylinder 11 and the inner cylinder 12 are made of transparent glass, a user can conveniently judge the roasting progress through the color change of the coffee beans, and the roasting time or temperature can be adjusted.

Referring to fig. 3, 4 and 6, the bottom of the upper cover 3 is connected with a filter screen plate 7 through a buckle assembly 6, the soybean coat is isolated in the soybean coat collecting cover 5 through the filter screen plate 7 and is prevented from being blown out of the upper cover 3, the buckle assembly 6 comprises a clamping block 61 arranged on the outer edge of the filter screen plate 7 and a clamping concave position 62 arranged on the inner wall of the upper cover 3, when in use, the filter screen plate 7 is firstly placed on the soybean coat collecting cover 5, then the upper cover 3 is covered on the machine body 1 and the upper cover 3 is rotated, the clamping block 61 is clamped into the clamping concave position 62, and the filter screen plate 7 is fixedly connected with the upper cover 3.

In order to further reduce the height of the upper cover 3 covered on the machine body 1 and reduce the occupation of the longitudinal space of the roasting machine, the clamping block 61 is designed to be upwards convex, and the clamping concave position 62 is divided into a first clamping concave position 621 and a second clamping concave position 622 connected with the first clamping concave position 621, and the second clamping concave position 622 is positioned on the left side or the right side of the first clamping concave position 621; the second concave part 622 extends upwards along the inner wall of the upper cover 3 and is higher than the top of the upper cover 3; when the upper cover 3 is closed, the first concave clamping position 621 on the upper cover 3 is positioned above the clamping block 61, the upper cover 3 is moved downwards, the clamping block 61 enters the first concave clamping position 621, the upper cover 3 is rotated leftwards or rightwards, the clamping block 61 slides into the second concave clamping position 622, at the moment, the upper cover 3 is moved downwards for the second time, the clamping block 61 slides upwards from the bottom of the second concave clamping position 622, the filter screen plate 7 is attached to the bottom of the upper cover 3, and at the moment, the second clamping block 121 arranged on the outer side wall of the upper part of the inner cylinder 12 is screwed into the first concave clamping position 621, so that the upper cover is connected with the inner cylinder 12.

Referring to fig. 5, an acceleration cylinder 8 located in the machine base 2 is arranged on the top of the hot air assembly 4, hot air is firstly blown into the acceleration cylinder 8 through the lower opening 82 and then blown into the inner cavity 100 through the upper opening 81, and because the diameter of the upper opening 81 is smaller than that of the lower opening 82, the speed of the hot air blown into the inner cavity 100 is increased, so that the green coffee beans can be blown by hot air and roll; in order to prevent coffee beans or bean coats from entering the acceleration column 8, a partition screen 9 is provided in the upper opening 81.

The hot air assembly 4 comprises a support 41, a negative pressure is formed in the inner cavity of the support 41 after the blades 42 are rotated by the rotating motor 43, so that air heated by the heating pipe 44 enters the inner cavity of the support 41 through an air inlet 411 on the bottom plate of the support 41 and is blown into the inner cavity 100 through the rotating blades 42; in order to increase the air outlet speed, the blades 42 are provided with wind blocking sheets 45, so that hot air is blown into the inner cavity of the machine body 1 along the outer edges of the wind blocking sheets 45.

Referring to fig. 2, the usage steps of the present invention are further explained:

1. firstly, putting the partition screen plate 9 into the outer cylinder 11, enabling the partition screen plate 9 to fall into the upper opening 81 of the acceleration cylinder 8, then putting the inner cylinder 12 into the inner cavity of the outer cylinder 11 and putting the green coffee beans into the inner cylinder 12; after the green coffee beans are put in, the bean coat collecting cover 5 is placed in the upper opening of the inner barrel 12, the filter screen plate 7 is placed on the bean coat collecting cover 5, and the cup cover is connected with the filter screen plate 7 so as to be arranged on the inner barrel 12.

2. The heating pipe 44 in the hot air component 4 sends hot air into the accelerating cylinder 8 through the rotation of the blade 42, and then blows the hot air into the inner cylinder 12, so that the green coffee beans in the inner cylinder are blown up to be rolled and heated, and the moisture contained in the green coffee beans is evaporated and discharged through the steam hole 31; the bean coat peeled off during roasting is blown down into the collection chamber 52 on the bean coat collection cover 5 with hot air to be collected.

3. When the color of the green coffee beans is observed to be changed into coffee through the outer barrel 11 and the inner barrel 12 made of transparent glass, the hot air component 4 is stopped; the upper cover 3 is screwed down, the filter screen plate 7 and the bean coat collecting cover 5 are taken down in sequence, and the roasted coffee beans in the inner cylinder 12 are taken out.

According to the above principle, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention.

Claims

1. An air roasting machine for coffee beans, comprising:

the coffee bean roasting machine comprises a machine body (1), wherein an inner cavity (100) of the machine body (1) contains green coffee beans to be roasted;

the upper cover (3) is arranged at the top of the machine body (1), and a steam hole (31) is formed in the top of the upper cover (3);

frame (2), frame (2) adorn in fuselage (1) bottom, hot-blast subassembly (4) are equipped with in frame (2), blow in after hot-blast subassembly (4) heats the air in inner chamber (100), make the green coffee beans in roll and be heated caramelization in inner chamber (100).

2. The air roasting machine for coffee beans as recited in claim 1, characterized in that a bean coat collecting cover (5) is installed in said machine body (1), a boss (51) is formed by upward protrusion of a bottom plate of said bean coat collecting cover (5), a collecting cavity (52) is formed between said boss (51) and an inner wall of said bean coat collecting cover (5), a through hole (511) communicating with said inner cavity (100) is formed at the top of said boss (51), said bean coat in the inner cavity of said machine body (1) is blown into said collecting cavity (52) through said through hole (511), and grid holes (512) are uniformly opened on the side wall of said boss (51).

3. The air roasting machine for coffee beans according to claim 1 or 2, characterized in that the machine body (1) comprises an outer cylinder (11) and an inner cylinder (12) arranged in the outer cylinder (11), an insulating cavity (13) is formed between the inner cylinder (12) and the outer cylinder (11), and the inner cavity (100) is a cavity formed by the inner cylinder (12).

4. An air roaster for coffee beans as claimed in claim 3, wherein the outer cylinder (11) and the inner cylinder (12) are made of transparent glass.

5. An air roasting machine for coffee beans according to claim 1, characterized in that a filter screen plate (7) is connected to the bottom of said upper cover (3) by means of a snap assembly (6).

6. A coffee bean air-roasting machine according to claim 5, characterized in that said snap-in assembly (6) comprises a snap-in block (61) provided at the outer edge of said filter screen plate (7), a snap-in recess (62) provided at the inner wall of said upper cover (3).

7. An air roaster for coffee beans as claimed in claim 6, wherein said block (61) is protruded upward, said catching recess (62) is divided into a first catching recess (621), a second catching recess (622) connected to said first catching recess (621), said second catching recess (622) is located at the left or right side of said first catching recess (621); the second clamping concave position (622) extends upwards along the inner wall of the upper cover (3) and is higher than the top of the upper cover (3).

8. An air roasting machine for coffee beans according to claim 1, characterized in that an acceleration cylinder (8) is provided at an upper portion of said hot air unit (4) in said housing (2), said acceleration cylinder (8) communicating with said inner chamber (100) through an upper opening (81), said hot air unit (4) blowing hot air through a lower opening (82) of said acceleration cylinder (8), a diameter of said upper opening (81) being smaller than a diameter of said lower opening (82); a separation screen plate (9) for separating the inner cavity (100) and the inner cavity of the acceleration cylinder (8) is arranged in the upper opening (81).

9. The air roasting machine for coffee beans according to claim 1 or 8, characterized in that the hot air assembly (4) comprises a support (41), an air inlet (411) is arranged on the bottom plate of the inner cavity of the support (41), a blade (42) is arranged above the air inlet (411), the blade (42) is connected with a rotating motor (43) positioned at the bottom of the support (41), and a heating pipe (44) is arranged on the rotating motor (43).

10. A coffee bean air-roasting machine according to claim 9, characterized in that said blades (42) are provided with wind blocking flaps (45).