JPH08308739A - Roaster and automatic coffee extracting device - Google Patents

Abstract

PURPOSE: To provide a roaster and an automatic coffee extracting device in which coffee beans in the state of raw beans can be put into a roasting vessel. CONSTITUTION: An automatic coffee extracting device 11 is roughly composed of a crush part 12, extract part 13 and roast part 14. Besides, when coffee beans in the state of raw beans are put into the roast part 14, at the device 11, the coffee beans are roasted by the roast part 14, the coffee beans are crushed by the crush part 12 later, and afterwards, coffee liquid is extracted from the crushed coffee beans by the extract part 13. The roast part 14 is composed of a heater part 15, motor part 16, roasting vessel 17, bean charge member 18 and cage 19 or the like. When the coffee beans are put into a charge port 18d of the bean charge member 18, the coffee beans are passed through a passage and supplied from an discharge port 18e into the roasting vessel 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roasting machine and an automatic coffee extracting device which are constructed so that green beans can be put into a roasting container.

[0002]

2. Description of the Related Art In order to extract coffee with a good flavor,
After roasting the green coffee beans, it is preferable to immediately grind with a grinder (mill) to generate coffee powder, and then pour hot water into the coffee powder to extract the coffee liquid.

Therefore, the present applicant has developed an automatic coffee extracting device configured to automatically perform roasting, crushing and extraction so that coffee liquid can be extracted immediately after roasting.
An example of this type of automatic coffee brewing device is found in Japanese Utility Model Publication No. 5-8918.

The automatic coffee extraction device of this publication is configured to load a roasting container into which green coffee beans are placed, a heating unit for heating the coffee beans in the roasting container, and a coffee bean roasted by the heating unit. It comprises a crushing unit for crushing, and an extracting unit for extracting coffee liquid by pouring hot water into the coffee powder supplied from the crushing unit. Then, by simply putting the coffee beans in a green state into a cylindrical roasting container that is detachably attached to the heating part, roasting, crushing and extraction are automatically performed to easily produce delicious coffee. You can

The roasting container is provided at the upper part of the device and is provided at a predetermined mounting part of the heating part in order to enhance the roasting efficiency during roasting and to allow roasted coffee beans to naturally drop into the crushing part. It is designed to be installed in a state of being inclined sideways. Furthermore, a blade for stirring the coffee beans in the container during roasting is rotatably provided at the bottom of the roasting container.

Then, the roasting container is mounted so that the upper opening located at the upper side faces the hot air outlet of the heating section.
Therefore, the coffee beans put into the roasting container are roasted by the hot air from the heater being blown onto the coffee beans, and the blades are rotated and agitated to drop the roasted coffee beans. To the crushing section.

In the roasting container to which hot air is blown as described above, the upper opening serves as a hot air inlet and also functions as a bean inlet for introducing coffee beans in a green bean state. Therefore, when roasting coffee beans, the roasting container is first removed from the apparatus, and the coffee beans in a green bean state are put into the roasting container through the upper opening. After that, the roasting container is mounted on the top of the device in a sideways state inclined by a predetermined angle.

[0008]

In the automatic coffee extraction device provided with the roasting container configured as described above, the roasting container must be removed from the device when the coffee beans are charged, and after the coffee beans are charged. Again the roasting container must be mounted in place on the device. Therefore, the operation when charging the coffee beans into the roasting container is troublesome, and it takes extra time to remove and install the roasting container before starting the roasting, and the waiting time until coffee extraction There is a problem that it becomes longer.

When continuously using the automatic coffee extracting device, the roasting container is heated by hot air by the first roasting, and when the roasting container is removed for the second coffee extraction, Since the preheating for the first roasting remains in the roasting container, it is difficult to directly grab the roasting container by hand, and it was necessary to wait until the temperature of the roasting container dropped.

Further, as a device other than the automatic coffee extraction device, a roaster or a roaster with a mill (crushing unit) having the same structure as the roasting unit having the above-mentioned structure also has the above problems. It was The present invention has been made in view of the above points, and an object of the present invention is to provide a roaster and an automatic coffee extraction device capable of introducing coffee beans without removing the roasting container.

[0011]

In order to solve the above-mentioned problems, according to the invention of claim 1, a roasting container into which green coffee beans are put, and coffee beans put into the roasting container. In a roasting device having a heating part for heating a coffee bean, a bean charging member for guiding coffee beans charged from the outside into the roasting container is provided between the roasting container and the heating part. To do.

Further, in the invention of claim 2, the bean charging member is provided with a bean charging port provided on the outer periphery for charging coffee beans in a green state, and a coffee bean charged in the bean charging port. And a passage formed so as to be introduced into the roasting container.

Further, in the invention of claim 3, the roasting container into which the green coffee beans are put, the heating part for heating the coffee beans put into the roasting container, and the roasting container A roasted coffee bean storage unit for introducing the stored roasted coffee beans and storing the roasted coffee beans, and a crushing unit for crushing the roasted coffee beans supplied from the roasted coffee bean storage unit to generate coffee powder. The roasting device is characterized in that a bean charging member for guiding the coffee beans charged from the outside into the roasting container is provided between the roasting container and the heating unit.

Further, in the invention of claim 4, a roasting container into which green coffee beans are put, a heating unit for heating the coffee beans put into the roasting container, and a supply from the roasting container Extraction for crushing the roasted coffee beans that have been crushed to produce coffee powder, and after the crushed coffee powder is supplied from the crushing unit, hot water is poured into the coffee powder to extract the coffee liquid In an automatic coffee extraction device having a part, a bean charging member for guiding coffee beans charged from the outside into the roasting container is provided between the roasting container and the heating part. is there.

[0015]

According to the first aspect of the present invention, since the bean charging member for guiding the coffee beans charged from the outside into the roasting container is provided between the roasting container and the heating unit, the coffee can be removed without removing the roasting container. Beans can be placed in a roasting container.

According to the second aspect of the present invention, when the coffee beans in a green bean state are introduced from the bean introduction port provided on the outer periphery of the bean introduction member, the coffee beans are guided into the roasting container through the passage, Coffee beans can be efficiently charged into the roasting container without removing the roasting container.

According to a third aspect of the invention, also in a roasting machine having a crushing unit for crushing roasted coffee beans to produce coffee powder, a bean charging member for guiding the coffee beans into the roasting container is provided. Therefore, coffee beans can be added to the roasting container without removing the roasting container.

Further, according to claim 4, an automatic coffee having a crushing unit for crushing roasted coffee beans to generate coffee powder and an extraction unit for extracting hot water into coffee powder to extract coffee liquid. Also in the extraction device, since the bean charging member for guiding the coffee beans into the roasting container is provided, the coffee beans can be charged into the roasting container without removing the roasting container.

[0019]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view of an automatic coffee extracting apparatus 11 according to a first embodiment of the present invention, FIG. 2 is an enlarged front view of a roasting section 14, and FIG. 3 is a roasting container 17 for coffee beans.
It is a perspective view showing the state when throwing in.

The automatic coffee brewing device 11 (hereinafter, simply referred to as a device) generally has a crushing unit 12, a brewing unit 13, and a roasting unit 14. Therefore, in the device 11, when the coffee beans in a green bean state are put into the roasting unit 14, the roasting unit 14 roasts the coffee beans, the grinding unit 12 grinds the coffee beans, and the extraction unit 13 thereafter. Coffee liquid is extracted from crushed coffee grounds.

The roasting unit 14 includes a heater unit (heating unit) 15, a motor unit 16, a roasting container 17, a bean charging member 18, and a cage 1.
It is composed of 9 grades. The roasting section 14 is for roasting the coffee beans in a green bean state put in the roasting container 17 and removing the thin skin of the coffee beans (this thin skin reduces the flavor of coffee). . Further, the heater unit 15 and the motor unit 16 are erected on the upper portion of the apparatus 11 with a predetermined distance therebetween, and a roasting container 17 is detachably mounted between the heater unit 15 and the motor unit 16.

In the roasting section 14 of this embodiment, the heater section 15
The hot-air roasting method is used to blow the hot air blown from the coffee beans onto the coffee beans. Therefore, a heater (not shown) is built in the inside of the heater unit 15, and a hot air outlet 20 for ejecting hot air is provided on the side surface of the heater unit 15.

The roasting container 17 is made of a heat-resistant synthetic resin material and is formed into a transparent cylindrical shape. Inside the roasting container 17, two coffee beans for stirring coffee beans in the container are provided.
The blades 21 and 22 are provided rotatably. Further, the roasting container 17 is provided with a ceramic heater 17b at its central position as a heating means. The ceramic heater 17b is a heater configured to emit far infrared rays when heated. Therefore, green beans of coffee beans are roasted by far-infrared radiation, and are roasted efficiently and evenly.

The motor section 16 accommodates a motor (not shown) for rotating the blades 21 and 22 provided in the roasting container 17. During roasting, the blades 21 and 22 are rotated to stir the coffee beans in the roasting container 17, so that the coffee beans are roasted evenly.

The roasting container 17 is mounted between the heater section 15 and the motor section 16 in a sideways state, and green coffee beans are put into the left end portion of the roasting container 17. The opening 17a is provided, and a discharge port (not shown) for discharging roasted coffee beans is provided at the right end. Incidentally, this discharge port is normally closed by a shutter, and the shutter is opened after roasting so that the roasted coffee beans are discharged.

Further, the roasting container 17 is tilted so that the coffee beans can be charged and discharged easily.
Is mounted on the upper part of the coffee machine, and is tilted by a predetermined angle so that the opening 17a into which the coffee beans are put is higher than the outlet.

A storage portion 23 for storing the bean charging member 18 and the cage 19 is formed between the heater portion 15 and the roasting container 17. The bean charging member 18 and the cage 19 are mounted in the storage unit 23 from above in a fitted state. The bean charging member 18 is formed of a heat-resistant synthetic resin material, and has an arc-shaped portion 18a formed to match the outer circumference of the roasting container 17 and a pair of legs inserted into the storage portion 23. It is formed in a horseshoe shape having portions 18b and 18c. Further, the bean charging member 18 is a charging port 1 for charging coffee beans to the outer periphery of the arc-shaped portion 18a.
8d is provided, and a discharge port 18e for discharging coffee beans to the roasting container 17 is provided on the right side surface of the arc-shaped portion 18a. Since the charging port 18d is formed wide along the upper portion of the arc-shaped portion 18a, coffee beans can be charged easily.

Then, the above-mentioned inlet 18d and outlet 18e
A passage 18f bent in an L-shape is formed between and. The discharge port 18e is the opening 17a of the roasting container 17.
Is provided at a position opposed to. Therefore, when the coffee beans are thrown into the charging port 18d, the coffee beans are passed through the passage 1
8f is dropped and passed, and is supplied into the roasting container 17 from the discharge port 18e. Therefore, coffee beans can be efficiently charged into the roasting container 17, and a large amount of coffee beans can be filled in the roasting container 17 in a short time.

Therefore, since the bean charging member 18 is provided in the roasting section 14 as described above, it is possible to charge the coffee beans into the roasting container 17 with the roasting container 17 still attached. You can In this way, since the coffee beans can be introduced from the bean introducing member 18, it is not necessary to remove the roasting container 17 at the time of adding the coffee beans as in the conventional case. Therefore, the operation of adding the coffee beans can be easily performed, and the coffee extraction can be performed in a shorter time than the conventional device. Furthermore, when coffee extraction is continuously performed, the roasting container 17 retains the preheat from the previous roasting.
In No. 1, it is not necessary to wait until the temperature of the roasting container 17 drops, so that the waiting time when continuously performing coffee extraction can be shortened.

The cage 19 is a disk-shaped member made of metal, and has an opening 19a at the center for inserting the discharge port 18e of the bean charging member 18, and a radial shape from the opening 19a. A plurality of slits 19b are formed in the. The plurality of slits 19b prevent the coffee beans from jumping out of the roasting container 17 during roasting, and the hot air blown out from the hot air outlet 20 of the heater portion 15 is evenly distributed throughout the roasting container 17. It also serves to disperse the hot air as it is supplied.

The bean charging member 18 and the cage 19 are pulled out upward from the storage portion 23 when the roasting container 17 is removed from the apparatus 11 for cleaning or the like. An opening / closing mechanism for opening / closing the roasting container 17 is provided inside the motor unit 16. This opening / closing mechanism is for opening and closing a shutter provided in the roasting container 17 by a driving means such as a solenoid (not shown), whereby roasted coffee beans are automatically roasted. More crushing part 1
Can be sent to 2.

The thin-skin collecting mechanism includes a cage 19 attached to the roasting container 17, a chaff box 24, and a hot air exhaust unit 2.
It is composed of 5 etc. 1 to 3, the lid 26 having the hot air discharge portion 25 is shown in an open state, but the lid 26 is normally (except when the coffee beans are charged).
The bean charging member 18 is rotated to a closed position so as to cover the charging port 18d from above.

The plurality of slits 19b provided in the cage 19 can prevent the coffee beans from jumping out of the roasting container 17, but are sized to allow the thin skin peeled from the coffee beans to pass during roasting. . The hot air blown out from the hot air outlet 20 passes through the plurality of slits 19b of the cage 19 and is introduced into the roasting container 17 and is sprayed on the coffee beans in the roasting container 17. And
The hot air is convected in the roasting container 17, passes through the slit 19b again, passes through the hot air discharging portion 25 provided in the lid 26, and is discharged to the outside.

At that time, the thin skin generated from the coffee beans during roasting moves with the flow of hot air because it is light, but since the filter for preventing the thin skin is attached to the hot air discharge part 25, the thin skin should be exposed to the outside. Cannot fall and falls under its own weight. Since the chaff box 24 is arranged below the hot air discharge part 25, the thin skin is collected in the chaff box 24.

The chaff box 24 is attached so that it can be pulled out, and when the thin skin is accumulated, the chaff box 24 can be pulled out from the apparatus 11 and the thin skin can be discarded. Next, the crushing unit 12 and the extracting unit 13
The configuration of will be described. 4 shows a state in which the upper lid 27 of the crushing unit 12 and the extracting unit 13 is removed, and FIG. 5 is a perspective view of the upper covers 29 and 31.

The crushing unit 12 is supplied with the roasted coffee beans from the roasting unit 14 and crushes the roasted coffee beans to produce coffee powder. Therefore, the crushing unit 1
A rotary cutter 28 is provided at the bottom of the unit 2. An upper cover 29 is attached to the upper part of the crushing unit 12. The upper cover 29 is provided with a loading port 30 to which the roasted coffee beans discharged from the roasting section 14 are automatically supplied.

Further, the upper cover 3 is also provided on the upper portion of the extraction unit 13.
1 is attached to a portion of the upper cover 31 where hot water is dripped from a spout 32 (see FIG. 1), a cylindrical recess 33
Is provided. At the bottom of the recess 33, the pouring hole 3
4 are provided. Furthermore, the crushing unit 12 and the extracting unit 13
A mesh member 35 having a plurality of small holes for allowing the coffee powder crushed by the rotary cutter 27 to pass therethrough is provided in the communicating portion with.

A filter member 36 is mounted in the recess 33 of the upper cover 31. This filter member 36 is
A large number of small holes are formed on a stainless steel disc, and the diameter of the small holes is such that ground coffee powder cannot pass through, and the hot water dropped from the spout 32 is extracted smoothly. It is dimensioned to be supplied to the section 13.

Therefore, the filter member 36 has a function of preventing the coffee powder crushed by the rotary cutter 28 from scattering upward, and a function of supplying the hot water dropped from the pouring hole 34 to the extracting section 13. Is. After the coffee powder 37 crushed by the crushing unit 12 is supplied to the paper filter 38 placed on the conical portion 36 of the extracting unit 13, when hot water is dropped from the spout 32, the hot water is filtered by the filter member 36, Paper filter 38 is passed through the pouring hole 34.
Pour over the coffee grounds above. And the paper filter 3
The coffee liquid that has passed through 8 is discharged from the discharge port 39 of the extraction unit 13 to a glass container 40 made of heat-resistant glass placed below the discharge port 39.
To be extracted.

6 and 7 show a roaster 41 as a second embodiment of the present invention. 6 is a front view of the roaster 41, and FIG. 7 is a side view showing the structure of the crushing unit 43 of the roaster 41. The roaster 41 is roughly composed of a roasting section 42 and a crushing section (mill section) 43, and has a configuration in which the extracting section is removed from the automatic coffee extracting device 11 of the first embodiment. The roasting section 42 has a structure in which a heater section 44 and a motor section 45 are fixed to a base section 46, and a roasting container 47 is laterally and inclined between the heater section 44 and the motor section 45. It is installed in the state.

That is, the roasting section 42 includes the heater section 44, the motor section 45, the roasting container 47, the bean charging member 68, and the cage 6.
It is composed of 9 grades. A storage portion 63 for storing the bean charging member 68 and the cage 69 is formed between the heater portion 45 and the roasting container 47. This storage part 6
3, the bean charging member 68 and the cage 69 are mounted in a fitted state from above.

The bean charging member 68 has the same shape as the bean charging member 18 of the first embodiment described above. That is, the bean charging member 68 is formed of a heat-resistant synthetic resin material, and has an arcuate portion 68 a formed so as to match the outer periphery of the roasting container 47 and a pair inserted into the storage portion 63. Is formed in a horseshoe shape having legs 68b and 68c. Further, the bean charging member 68 has the arc-shaped portion 6
Insertion port 68d for adding coffee beans to the outer periphery of 8a
And a discharge port 68e for discharging coffee beans to the roasting container 47 is provided on the right side surface of the arc-shaped portion 68a. Since the charging port 68d is formed wide along the upper portion of the arcuate portion 68a, coffee beans can be charged easily.

Then, the above-mentioned inlet 68d and outlet 68e
A passage 68f bent in an L-shape is formed between and. The discharge port 68e is the opening 47a of the roasting container 47.
Is provided at a position opposed to. Therefore, when the coffee beans are thrown into the throwing port 68d, the coffee beans are passed through the passage 6
8f is dropped and passed, and is supplied into the roasting container 47 from the discharge port 68e. Therefore, coffee beans can be efficiently charged into the roasting container 47, and a large amount of coffee beans can be filled in the roasting container 47 in a short time.

Therefore, since the bean charging member 68 is provided in the roasting section 42 as described above, it is possible to charge the coffee beans into the roasting container 47 while the roasting container 47 is still attached. You can In this way, since the coffee beans can be introduced from the bean introducing member 68, it is not necessary to remove the roasting container 47 at the time of adding the coffee beans as in the conventional case. Therefore, the operation of adding coffee beans can be easily performed, and roasting can be performed in a shorter time than the conventional device. Furthermore, when continuously roasting coffee beans, the preheating from the previous roasting remains in the roasting container 47, but the device 41 does not need to wait until the temperature of the roasting container 47 decreases. Therefore, the waiting time when continuously extracting coffee can be shortened.

The cage 69 is also formed in the same shape as the cage 19 of the first embodiment described above. That is, the cage 69 is a disk-shaped metal member, and has an opening 69a for inserting the discharge port 68e of the bean charging member 68 in the center, and a plurality of slits 69b radially from the opening 69a. Are formed. The plurality of slits 69b prevent coffee beans from jumping out of the roasting container 47 during roasting, and the hot air blown out from the hot air outlet of the heater portion 44 is evenly supplied to the entire inside of the roasting container 47. As described above, it also has a role of dispersing hot air.

The bean charging member 68 and the cage 69 are pulled out upward from the storage portion 63 when the roasting container 47 is removed from the device 41 for cleaning or the like. In the roasting container 47, two ceramic blades 48 and 49 are provided, and a ceramic heater 50 as a heating means is provided at the center position. This ceramic heater 50 is
It is a heater that emits far infrared rays when heated. Therefore, green beans of coffee beans are roasted by far-infrared radiation, and are roasted efficiently and evenly. Also, the wings 48 of the roasting container 47,
Reference numeral 49 is provided so as to be rotated during the roasting process by a motor provided inside the motor unit 45. Since the coffee beans put in the roasting container 47 are stirred as the blades 48, 49 rotate, the coffee beans can be roasted evenly by this.

The roasting unit 42 has a coffee bean storage unit 53 for storing roasted coffee beans 52 transported by a transporting unit 51 (which will be described later) and an upper surface for crushing coffee beans to produce coffee powder. A rotating body 54 having a circular shape,
It is configured by a motor 55 that rotationally drives the rotating body 54.

In the coffee storage section 53, the upper opening 53a is fed from the first transfer port 51a of the transfer section 51 to the roasted coffee beans 5
2 is dropped and is stored. The bottom portion of the coffee storage portion 53 has a shape with a downward slope toward the center, and a lower opening 53b is formed in the center portion. Therefore, the roasted coffee beans stored in the coffee storage portion 53 are stored in a state in which they are urged to drop toward the lower opening 53b. The coffee storage portion 53 is made of, for example, ceramic having high heat resistance, corrosion resistance, and high hardness. Further, the bottom surface portion 53c of the coffee storage portion 53 is a rough surface having minute irregularities.

The rotating body 54 is disposed below the coffee storing portion 53, and is constituted by an upper surface 54a facing the bottom surface portion 53c and a skirt portion 54b covering the outer periphery of the motor 55. The upper surface 54a of the rotating body 54 is a rough surface having fine irregularities, and has a conical projection 54c at the center thereof for guiding the roasted coffee beans that have fallen from the coffee storage portion 53 to the outside. The rotating body 54 has heat resistance, corrosion resistance, and
It is made of ceramic having high hardness.

The rotating body 54 is rotationally driven by a motor 55, and a lower opening 53 formed in the coffee storing portion 53.
The roasted coffee beans 52 supplied between the bottom surface portion 53c and the upper surface portion 54a from b are crushed to produce coffee powder 56. Further, the coffee storage portion 53 is configured so that it can be slightly moved in the vertical direction by a moving mechanism (not shown). By this moving mechanism, the bottom surface portion 53c and the top surface portion 54a are
The separation distance from and can be adjusted, and the roughness of the coffee powder 56 generated thereby can be selected.

Coffee powder 56 produced in the crushing section 43
Is naturally dropped, and is stored and stored in a coffee powder storage unit 57 provided below the crushing unit 43. The coffee grounds storage unit 57 has a drawer structure, and the coffee grounds storage unit 57 is pulled out from the apparatus 1 to extract the coffee grounds when extracting coffee. A roasted coffee bean storage unit 58 is provided on the side of the coffee grounds storage unit 57, and the roasting unit 42 will be described later.
The roasted coffee beans 52 conveyed from the are stored. This roasted coffee bean storage unit 58 also has a drawer structure, and at the time of coffee extraction, this roasted coffee bean storage unit 58.
Is pulled out from the device 41 and the roasted coffee beans are taken out.

The transport unit 11 has a function of selectively transporting the roasted coffee beans 12 roasted in the roasting unit 2 to the crushing unit 43 or the roasted coffee bean storage unit 58. The transfer unit 51 includes two valve mechanisms 59 and 60 and a transfer pipe 61.
It is composed of The first valve mechanism 59 opens or closes the roasting container 47, closes the roasting container 47 during roasting, and is opened when the roasting process is completed to convey the roasted coffee beans 52. It is introduced into the pipe 61.

Further, the second valve mechanism 60 includes a transfer pipe 61.
It is arranged in a bifurcated branch part. One of the transfer ports 51a of the bifurcated transfer pipe 61 is opened to the upper opening 53a of the crushing section 43 as described above,
The other transfer port 51b is open to the roasted coffee bean storage unit 58. The second valve mechanism 60 has a function of selectively transporting the roasted coffee beans introduced from the roasting section 42 to the crushing section 43 or the roasted coffee bean storage section 58 by switching the valve element provided therein. Play.

Therefore, when the second valve mechanism 60 performs the valve operation so that the roasted coffee beans 52 progress toward the first transfer port 51a, the roasted coffee beans are introduced into the crushing section 43 and subjected to the crushing process. After that, the coffee powder is stored and stored in the coffee powder storage unit 57. On the other hand, the second valve mechanism 60
When the valve operation is performed so that the roasted coffee beans 52 progress toward the second transfer port 51b, the roasted coffee beans 52 are conveyed and stored in the roasted coffee bean storage unit 58 as they are.

A switch group 62 is arranged on the front panel of the apparatus 1 so that the roasting time, selection of whether or not to perform the crushing process, and the roughness of the crushing can be designated. There is. Further, among the above-mentioned respective components, those which are electrically driven are configured to be controlled by, for example, a 4-bit microcomputer provided in the device 41.

As described above, according to the device 41, the roasted roasted coffee beans or coffee powder can be taken out from the device 41 and the coffee can be immediately extracted, so that the coffee with high flavor can be extracted. . Device 4
Since No. 1 is provided with the crushing unit 43, the roasted coffee beans can be taken out from the device 41 in a state according to the type of the extraction device currently at hand.

That is, the roasted roasted coffee beans can be taken out in the state of beans or the state of ground coffee powder. Thereby, the device 1 can be applied to various extraction devices. Further, when the crushing process is performed by using the crushing unit 43, the device 41 automatically performs the processes from roasting to crushing, so that the labor for coffee extraction can be greatly saved, which is convenient. .

In the roasting device 41 of the second embodiment, the crushing unit 43 is provided. However, the present invention is not limited to this, and the roasting device having only the roasting unit 42 can be used. Of course, the bean charging member 68 may be attached.

[0059]

As described above, according to the above-mentioned claim 1, since the bean charging member for guiding the coffee beans charged from the outside into the roasting container is provided between the roasting container and the heating section, the roasting is performed. Coffee beans can be added to the roasting container without removing the container. Therefore, the operation of adding the coffee beans can be easily performed, and the roasting can be performed in a shorter time than the conventional device. Also, when continuously roasting coffee beans, the preheating from the previous roasting remains in the roasting container,
Since it is not necessary to wait until the temperature of the roasting container drops, the roasting efficiency can be improved.

Further, according to the second aspect, when the coffee beans in a raw bean state are introduced from the bean introduction port provided on the outer periphery of the bean introduction member, the coffee beans are guided into the roasting container through the passage, Coffee beans can be efficiently charged into the roasting container without removing the roasting container, and the same effect as in claim 1 can be obtained.

According to a third aspect of the invention, also in a roaster having a crushing unit for crushing roasted coffee beans to produce coffee powder, a bean charging member for guiding the coffee beans into the roasting container is provided. Therefore, the coffee beans can be put into the roasting container without removing the roasting container, and the same effect as in claim 1 can be obtained.

Further, according to claim 4, an automatic coffee having a crushing unit for crushing roasted coffee beans to generate coffee powder and an extracting unit for extracting hot water into coffee powder to extract coffee liquid. Also in the extraction device, since the bean charging member for guiding the coffee beans into the roasting container is provided, the coffee beans can be charged into the roasting container without removing the roasting container. Therefore, the operation of adding the coffee beans can be easily performed, and the coffee extraction can be performed in a shorter time than the conventional device. Furthermore, since it is not necessary to wait until the temperature of the roasting container drops, the waiting time when continuously extracting coffee can be shortened.

[Brief description of drawings]

FIG. 1 is a perspective view of an automatic coffee brewing device according to a first embodiment of the present invention.

FIG. 2 is an enlarged front view showing a roasting unit.

FIG. 3 is a perspective view showing a state in which coffee beans are put into a roasting container.

FIG. 4 is a perspective view showing a state in which coffee beans are put into a roasting container.

FIG. 5 is a perspective view showing a state in which the upper lids of the crushing unit and the extracting unit are removed.

FIG. 6 is a front view of a roaster according to a second embodiment of the present invention.

FIG. 7 is a side view showing a configuration of a crushing unit of a roaster.

[Explanation of symbols]

 11 Automatic Coffee Extraction Device 12,43 Grinding Part 13 Extraction Part 14,42 Roasting Part 15,44 Heater Part 16,45 Motor Part 17,47 Roasting Container 18,68 Bean Injecting Member 19,69 Cage 20 Hot Air Jet 21 , 22 blades 41 Roaster

Claims (4)

[Claims] 1. A roaster having a roasting container into which green coffee beans are placed, and a heating unit for heating the coffee beans placed into the roasting container, wherein the roasting container and the heating are provided. A roasting device, which is provided with a bean charging member that guides coffee beans charged from the outside into the roasting container. 2. The bean charging member is provided on the outer periphery, and is provided with a bean charging port into which green coffee beans are charged and a coffee bean charged into the bean charging port into the roasting container. And a passage formed in the base.
Roaster. 3. A roasting container into which green coffee beans are put, a heating unit for heating the coffee beans put into the roasting container, and roasted coffee beans produced in the roasting container. A roasting machine having a roasted coffee bean storage unit for introducing and storing the roasted coffee beans, and a crushing unit for crushing the roasted coffee beans supplied from the roasted coffee bean storage unit to generate coffee powder, A roasting device comprising a bean charging member for guiding coffee beans charged from the outside into the roasting container between the roasting container and the heating unit. 4. A roasting container into which green coffee beans are put, a heating unit for heating the coffee beans put into the roasting container, and roasted coffee beans supplied from the roasting container. Automatic coffee extraction having a crushing unit for crushing and producing coffee powder, and an extraction unit for extracting coffee liquid by pouring hot water into the coffee powder after the crushed coffee powder is supplied from the crushing unit In the apparatus, an automatic coffee brewing device is provided between the roasting container and the heating unit, and a bean charging member that guides coffee beans charged from the outside into the roasting container.