JPH05154052A - Coffee maker - Google Patents

Abstract

PURPOSE:To provide a coffee maker easy to eject and wash out dregs after extraction and use immediately for the following extraction. CONSTITUTION:A full automatic type coffee maker comprises in a sheathed case 1 a roasting device for roasting coffee beans, a cooling means for cooling the beans roasted by the roasting device, a milling means for milling and supplying the beans and a heating-supplying means for heating and supplying water from a water tank. A space S for mounting a decanter 3 to receive coffee liquid is composed in a part of the sheathing case, and the space C is provided on the ceiling section of the space with a milled beans dropping and supplying port, heated hot water dropping and supplying port and locking means 4 for locking removably a filter basket 2 to receive the beans and hot water dropped and supplied for dripping.

Description

Detailed Description of the Invention

[0001]

The present invention relates to roasting of green coffee beans,
The present invention relates to a coffee maker that can obtain coffee through crushing, extraction, and the like.

[0002]

2. Description of the Related Art The applicant of the present invention has previously filed Japanese Patent Application No. 2-2.
4697, Japanese Patent Application No. 2-50240, Japanese Patent Application No. 2-15
No. 0267 has provided a coffee maker capable of obtaining coffee from green coffee beans in a fully automatic manner. These coffee makers include a roaster that roasts green coffee beans, an extractor that also grinds coffee and extracts and filters coffee from the ground coffee beans, and a mill that also serves as a mill. It is provided with a blower for sending air to the machine, a pouring machine for pouring high-temperature water into the extractor that also serves as a mill, and a coffee server that receives the coffee liquid extracted and filtered by the extractor that also serves as a mill. In addition, in the fully automatic coffee maker provided in Japanese Patent Application No. 2-417843, a temporary storage tank is provided separately from the extractor that also functions as a mill, and the beans after roasting are once put in the temporary storage tank and blower is provided. After cooling with, it was sent to an extractor that also functions as a mill.

[0003]

However, in the above conventional coffee maker, since the coffee beans are milled and extracted in the same container, cutter blades for the mill are installed in the extraction container. Discharging and washing the slag after extraction is troublesome, and there is a drawback that it takes time and labor. For this reason, even if it is desired to use a plurality of times in succession, there is a drawback in that once used, the next use cannot be performed immediately.

Therefore, the present invention eliminates the above-mentioned conventional drawbacks,
The purpose of the present invention is to provide a coffee maker that can easily discharge and wash the slag after extraction and can be used immediately after the extraction.

[0005]

In order to achieve the above object, the coffee maker of the present invention comprises a roasting device for roasting green coffee beans and a cooling means for cooling roasted beans by the roasting device. And a milling means for milling and supplying beans and a heating and supplying means for heating and supplying water from a water tank in a fully automatic coffee maker. A decanter placement space for receiving coffee liquid is formed in the part, and a drop supply port for milled beans, a drop supply port for heated hot water, and a drop supply port for the ceiling part of the decanter placement space. The first feature is that a locking means for removably locking the filter basket for receiving and drip the supplied beans and hot water is provided. In addition to the first characteristic, the coffee maker of the present invention has a second characteristic that a bean drop supply port is provided in the central portion and a plurality of hot water drop supply ports are arranged around the bean drop supply port. ..

[0006]

According to the first feature of the present invention described above, in a coffee maker capable of roasting and extracting coffee liquid, a filter for drip is set in a filter basket, and the filter basket is placed on a decanter. By engaging with the ceiling of the space for use, milled beans are dropped and supplied from the ceiling to the filter basket.
In addition, hot water is dropped and supplied to the filter basket and dripted on the decanter. When the drip is complete, simply remove the filter basket and replace the filter and you're ready to go.

Further, according to the second feature of the present invention, the hot water falls around the fall of the milled beans, so that the hot water can be evenly poured into the beans, and the extraction can be more homogenized. You can Further, the scattering of the bean powder can be suppressed by a curtain of hot water falling from the surroundings.

[0008]

1 is an overall perspective view of a coffee maker according to an embodiment of the present invention, FIG. 2 is a sectional view of the coffee maker, and FIG. 3 is a horizontal sectional view of a hot water pouring portion.

In FIG. 1, reference numeral 1 denotes an outer case, in which the member elements except the filter basket 2 and the decanter 3 are built in the outer case 1. The decanter 3 is a container for receiving the drip coffee liquid, and is placed in the decanter placing space S formed by denting a part of the outer case 1 inward. Further, the filter basket 2 has a filter detachably set along the inner wall thereof, while filtering the extracted coffee liquid,
It is like a container for dripping. As the filter, a filter such as a paper filter that is used can be used. Locking guide pieces 4 are provided on both sides of the ceiling portion 9 of the decanter mounting space S as locking means for the filter basket 2. The filter basket 2 is locked by being inserted so that the flange portion 2b at the side edge of the opening 2a is placed on the locking guide piece 4. Further, by pulling out the filter basket 2, the locked state is easily released, and the filter basket 2 can be taken out freely. On the top surface of the outer case 1, there are provided an inlet 5 for green coffee beans, an inlet 6 for water, and an exhaust port 7 for a roaster 10 described later.

A roaster 10 is provided at the top of the outer case 1. The roasting device 10 is a device for roasting green coffee beans that has been put into the container. The container 11 is made of aluminum, a stirring blade 12 is provided at the inner bottom, and a seed heater 13 for roasting is provided at the upper part of the container 11. In addition, a high temperature catalyst filter 14 for deodorizing smoke is provided. Also, the bean discharge door 15 is a container
It is provided at a part of the lower side of 11 and can be opened and closed by a solenoid 16. A temperature sensor 17 is attached to the back surface of the bottom wall of the container 11 to detect the end of roasting based on the temperature of the back surface of the container. Reference numeral 18 is a stirring motor, and the stirring blade 12 is provided via a heat conduction preventing joint portion 19.
Turning the. Furthermore, in order to prevent adverse effects due to heat radiation from the container 11 which is the heat radiation source, a heat radiation blocking plate 8 is arranged below the container 11, and the room in which the roasting device 10 is installed has the motor 17 and Separated from cooling means and control controller.
The heat radiation blocking plate 8 is made of an iron plate, unlike the synthetic resin of the outer case 1.

Below the discharge door 15 of the roaster 10, a cooler 20 as a means for cooling the roasted beans is provided independently. The cooler 20 includes a blower case 21, a temporary storage tank 22 arranged therein, and a blower for taking in and blowing outside air.
At least the lower half of the temporary storage tank 22 has a mesh shape, and the wind from the blower 23 is a temporary storage tank.
It is designed to enter from the lower half of 22 and exit upward. An optical bean residue detection sensor 24 is provided at the lower end of the temporary storage tank 22.
And a fall shutter 25 is provided. Reference numeral 26 is a cooling air exhaust hole provided in the heat radiation blocking plate 8.

Below the temporary storage tank 22 of the cooler 20, a mill 30 as a milling means is independently provided. The mill 30 is a mill-type mill, and a feed screw 33 rotated by a motor 32 with a speed reducer under a bean receiving port 31.
Is disposed, and a molar portion including a rotary molar tooth 35 fixed to the tip portion of the screw 33 and a fixed molar tooth 34 is disposed at the position of the advancing direction. Beans have 35 and fixed molars.
Milled between 34 and. The degree of bean milling can be adjusted by turning the adjusting knob 36 to adjust the gap between the rotary molar teeth 35 and the fixed molar teeth 34. An outlet 37 for milled beans is provided under the mill.

The heating and supplying means for heating and supplying water to obtain coffee liquid has a water tank 40, a vertical boiler 50 and a pouring machine 60. The water tank 40 stores water poured from the water inlet 6 and is connected to the lower end of the water supply pipe.
It is supplied to the vertical boiler 50 from the lower side through 41. The water tank 40 is a fixed type in the embodiment, but may be a detachable cassette type. At the bottom of the water tank 40, a water shortage sensor 42 for detecting water shortage is provided. Further, the water supply pipe 41 is provided with a narrowed portion 43 in the middle thereof to prevent water from flowing back from the boiler 50 side, and
The hot water heated in (1) can be effectively raised in the hot water supply pipe 53 and guided to the pouring machine 60. In the vertical boiler 50, a heater 51 is embedded in the peripheral wall, and a vapor reservoir 52 is provided on the upper portion. A hot water supply pipe 53 is erected from the upper part of the boiler 50 and connected to the pouring machine 60. The pouring machine 60 is composed of a ring-shaped container having a through hole 61 formed in the center thereof, and a plurality of drop supply ports 62 for the hot water are provided concentrically around the through hole 61 on the bottom surface. Then, the through hole 61 becomes the drop supply port 61 of the milled beans by fitting the discharge port 37 of the flour mill 30. A drop supply port 61 of the milled beans and a drop supply port 62 of hot water arranged around the drop supply port 61 are provided from the ceiling portion 9 of the decanter mounting space S to the space S.

Reference numeral 71 is a filter basket detection sensor for detecting whether or not the filter basket 2 is set on the ceiling portion 9. F is a paper filter set in the filter basket 2. 72 is decanter 3
A heat insulating plate is provided at a place on which is mounted, and 73 is a heat insulating heater. Reference numeral 80 denotes a controller, which is arranged below the heat radiation blocking plate 8 and has a built-in microcomputer to control each part of the apparatus.

Green coffee beans are roasted in a roaster 10, cooled in a cooler 20 and milled in a mill 30. Hot water is supplied by the heating supply means (40, 50, 60). Therefore,
By setting a filter such as a paper filter F in the filter basket 2 and inserting the filter into the ceiling portion 9 of the decanter mounting space S along the locking guide 4, and locking the beans, the beans in the center are dropped. Beans are supplied from the supply port 61, and hot water around the beans is dropped and supplied to the filter basket 2 at the same timing as or slightly later than the start of dropping of the beans, and the coffee liquid is drip-dried. When the drip is finished, the filter basket 2 is removed, the soybean dregs are removed together with the filter 2a, a new filter is set, and the ceiling 9 is re-engaged, and the next preparation is completed. The milled beans are dropped and supplied near the center of the filter basket 2, and the hot water is dropped and supplied around it, so that the coffee liquid can be uniformly extracted from the beans by the hot water, and the bean flour can be scattered around. It can be prevented by the hot water falling from.

[0016]

According to the present invention, which has the above-described structure,
According to the coffee maker described in (1), the roaster for roasting green coffee beans, the cooling means for the roasted beans, the flour mill, and the heating and supplying means for heating and supplying water are housed in the outer case. In a fully automatic coffee maker, drop feed port of milled beans, drop feed port of heated hot water, drop feed port of beans and hot water to be dropped and drip on the ceiling of decanter placement space Since a locking means for removably locking the filter basket is provided, the drip can be prepared only by a very simple operation of removably locking the filter basket with the filter set on the ceiling. And when you're done dripping, you can easily remove it, replace it with a new filter, and get ready for your next drip. Therefore, according to the present coffee maker, the work and time and effort required for making coffee frequently, such as for commercial use, are very easy. Further, according to the coffee maker of claim 2, since the bean drop supply port is provided in the central portion and a plurality of hot water drop supply ports are arranged around it, the coffee liquid can be uniformly and uniformly extracted. It is possible to obtain a tasty coffee liquid by stable extraction. Further, it is possible to prevent the milled beans that are dropped and supplied to the filter basket from being scattered by the curtain of hot water that falls from the surroundings.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a coffee maker according to an embodiment of the present invention.

FIG. 2 is a cross-sectional configuration diagram of a coffee maker according to an embodiment.

FIG. 3 is a horizontal sectional view of a pouring part.

[Explanation of symbols]

 1 Outer case 2 Filter basket 3 Decander 4 Locking guide piece 9 Ceiling part 10 Roasting machine 20 Cooling machine 30 Flour mill 40 Water tank 50 Vertical boiler 60 Pouring machine S Decanter mounting space

Claims (2)

[Claims] 1. A roasting device for roasting green coffee beans, cooling means for cooling roasted beans by the roasting device, milling means for milling and supplying the beans, and water from a water tank. Is a fully automatic coffee maker in which a heating and supplying means for heating and supplying the above is housed in an outer case, and a decanter mounting space for receiving coffee liquid is formed in a part of the outer case, A drop supply port for milled beans and a drop supply port for heated hot water on the ceiling of the decanter mounting space;
A coffee maker provided with a locking means for removably locking a filter basket for receiving and drip beans and hot water that are dropped and supplied. 2. The coffee maker according to claim 1, wherein a drop supply port for beans is provided in a central portion, and a plurality of drop supply ports for hot water are arranged around the drop supply port.