JP3386431B2 - Coffee bean roasting equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small roasting apparatus used by coffee shops and the like for roasting coffee beans. [0002] With the passage of time after roasting, the flavor and flavor of coffee are dissipated and the so-called taste is reduced, so that coffee is roasted at its own shop in a coffee shop or the like. We are roasting. These roasting apparatuses do not require a large-sized machine used for a major coffee beverage maker for roasting a large amount of coffee beans or a coffee wholesaler. As a small coffee bean roasting device, hot air system (Jitsuho 8
-8639) and a direct heating method are known.
In particular, the hot-air type has a simple structure, but has a low thermal efficiency because hot gas is released by one-way hot air flow. For this reason, it is suitable for small-scale roasting for home use, but is not suitable for business use requiring roasting of a corresponding volume. [0003] A small direct-heating type roasting apparatus is disclosed in
As disclosed in Japanese Patent No. 2479 or JP-A-4-304871, the roasting container body is heated by direct heat, and the coffee beans stored in the roasting container body are roasted uniformly without being scorched. In addition, a stirring blade is provided inside a fixed roasting container to stir the coffee beans in the container. [0004] However, when a fixed container is employed, heating and cooling (when not in use) are repeated only at a specific portion of the container, and it is necessary to give sufficient consideration to its durability. Also, as in the roasting apparatus disclosed in Japanese Utility Model Publication No. 1-4479, when the roasting container is inclined for discharging the coffee beans, even if the stirring is performed by the stirring blades, the coffee beans are one-sided. It is recognized that it is difficult to ensure the uniformity of roasting. When the stirring blade is used for discharging the beans as in the roasting device disclosed in Japanese Patent Application Laid-Open No. Hei 4-304871, the stirring blade biases the coffee beans to one side in the roasting container during roasting. As a result, it is similarly recognized that it is difficult to ensure the uniformity of roasting. Therefore, according to the present invention, when the roasting container itself is rotated, the whole coffee beans inside the roasting container are stirred so as to roll in the rotating direction in combination with the direct heating of the roasting container.
Focusing on easy realization of roasting, the present invention proposes a coffee bean roasting device having a novel structure. A coffee bean roasting apparatus according to the present invention includes a container having an opening formed above a box-shaped heat source storage section and having a heat passage hole formed in a peripheral surface thereof. The roasted container body in front
When the container is positioned in the opening and mounted rotatably horizontally, one end of the rotating shaft is an opening communicating with the inside of the container, and the whole roasting container is turned to the side of the heat source storage. linked to dynamic can rise and the hinge portion, the other end has an opening
Placed on a mounting bearing consisting of support rollers provided on the edge
At the same time, a handle for turning and standing operation is extended,
The rotating shaft located between the
Connected to the output shaft of the drive mechanism with a motor at the side position
Separated when the roasting container body stands up and meshed when
The gears to be fitted are mounted on the shaft (interposition of the transmission mechanism), and the opening of the roasting container body is covered with the heat source storage unit by covering the container unit.
And a gutter opening / closing lid. Accordingly, roasted coffee beans to be roasted are put through the opening portion using a funnel or the like into the container portion in the horizontal state, the container portion is covered with an opening / closing lid, and the container portion is surrounded by a heat source storage portion and the opening / closing lid. The roasting container is rotated by operating the drive mechanism, and the coffee beans inside the container are agitated. While roasting. After the roasting is completed, the lid is opened and the roasting container is erected to discharge the roasted coffee beans from the opening. Next, an embodiment of the present invention will be described. The coffee bean roasting apparatus shown in the embodiment includes a heat source storage unit 1, a roasting container 2, an opening / closing lid 3, and a driving mechanism unit 4.
And a transmission mechanism 5. The heat source storage unit 1 includes a box-shaped main body 12 having an opening 11 formed on an upper part thereof.
A door portion 13 having a large number of air holes is provided. In particular, a hinge portion 14 is provided at one of both side edges of the upper opening portion 11, and a mounting bearing portion 15 is provided at the other. The door 13 has a swing open / close structure, and particularly has a notch 131 for a hose when the gas stove A is used as a heat source. The hinge portion 14 includes a hinge 141 connected to a side edge of the main body 12 so as to rotate 90 degrees outward from the opening side, and an L-shaped receiving plate 142 connected to the hinge 141. On the vertical plate portion of the L-shaped receiving plate 142, a rotatable shaft 21a of the roasting container 2 described later is rotatably mounted with an appropriate bearing attached. The mounting bearing unit 15
The roasting container 2 comprises a supporting roller that supports the connecting roller 24 of the rotating shaft 21b of the roasting container body 2 that is horizontally laid. The roasting container 2 has rotating shafts 21a, 21a at the left and right centers of a container portion 22 having a drum-like shape and conical left and right sides.
b is projected, and the size of the container portion 22 is set so as to span the upper opening 11 of the heat source storage portion 1, and the rotation shafts 21a, 2
1b so as to be freely rotatable. In addition, a large number of heat passage holes 221 are formed in the peripheral surface of the container portion 22, and the rotating shaft 21 a connected to the hinge portion 14 is formed as an opening 23 which is formed in a cylindrical shape and communicates with the inside of the container. The opening 23
Are formed through the L-shaped receiving plate 142. The other rotating shaft 21b has a supporting roller (a mounting bearing).
A connecting roller 24 having a groove formed on the peripheral surface thereof is fitted around the connecting roller 24, and a handle 25 for rotating and standing operation is provided on an extension thereof.
Is attached. The rotating shaft 21b is also provided with one gear 51 of the transmission mechanism 5 described later. The opening / closing lid 3 is provided at the upper opening 1 of the heat source housing 1.
1. The container portion 22 which is positioned in a horizontal state is covered with the upper opening portion 11 so as to cover the upper opening portion 11. The rear edge portion is hinged to the box-shaped main body 12 so as to be freely openable and closable. Thus, the roasting container body 2 in the horizontal state can be raised and rotated. In addition, a handle 31 is provided so as to be able to cope with the opening and closing operations described above.
And a ventilation hole 32 for removing hot air or steam is formed in the uppermost portion when closed. Further, a restraining roller 33 is provided, which is fitted to the connecting roller 24 when the lid is closed to suppress the connecting roller 24 from above. The drive mechanism section 4 is provided at a position lateral to the box-shaped main body 12 of the heat source storage section 1. The drive mechanism section 4 includes a motor as a drive source, and further includes a control section for controlling the operation time and rotation speed of the motor. The operation unit 41 of the control unit is provided on the entire surface. The transmission mechanism 5 is interposed between the rotation shaft 21b and the drive mechanism 4, and is connected to a gear 51 mounted on the rotation shaft 21b and an output shaft 42 of the drive mechanism 4. The roasting container body 2 is separated when the roasting container body 2 is erected and meshes when the roasting container body 2 is laid horizontally. Next, roasting of coffee beans using the roasting apparatus will be described. Various types of heat sources can be applied to the roasting apparatus. However, when the ordinary gas stove A is used as the simplest, the door 13 of the box-shaped main body 12 is opened, and the gas stove A is opened. Located below. The roasting container 2 is provided with a hinge 1
The container 22 is rotated in the upper opening 11 by rotating around the 41 and fitting the connecting roller 24 with the supporting roller (mounting bearing) 15. After the roasting container 2 is laid horizontally, the opening / closing lid 3 is closed, and the connecting roller 24 of the roasting container 2 is adjusted by the pressing roller 33 to stabilize the roasting container 2 in the horizontal state (FIG. 3). Transmission mechanism 5 at the same time
Gears 51 and 52 (see FIG. 3A). After the roasting container 2 is in the horizontal state, the funnel B
The roasting is started by putting a predetermined amount of green coffee beans C to be roasted from the opening 23 into the container portion 22 using the method described above. In the roasting, the gas stove A is ignited to raise the temperature of the entire space surrounded by the box-shaped main body 12 and the opening / closing lid 3, and directly heat the container portion 22. At the same time, the transmission mechanism 5 is operated to rotate the roasting container 2. Therefore, the container 22 rotates while being heated by the direct fire of the gas stove A.
The coffee beans C in 2 are roasted by the entrance of hot air from the heat passage hole 221 and the heating in contact with the container, and the coffee beans C are stirred by the rotation of the container 22. The roasting is performed. Then, the gas to be discharged during the roasting operation, such as steam, is released from the heat passage hole 221 to the outside through the ventilation hole 32 of the opening / closing lid 3. The roasting operation is performed by selecting the roasting time and the rotation speed of the container 22 in consideration of the capacity of the coffee beans C stored in the container 22, the capacity of the heat source, the degree of roasting, and the like. A coffee bean is obtained, and the above-described adjustment control can be realized by setting with the operation unit 41 of the drive mechanism unit 4. When the roasting operation for a certain time is completed,
The opening / closing lid 3 is released, and the roasting container body 2 is entirely erected with the handle 25. Since the roasted coffee beans D are discharged from the opening 23 by the upright state, if the receiving container E is disposed at the discharge position of the opening 23 in advance, the roasting is performed in the receiving container E. The finished coffee beans D will be stored, and the coffee beans will be consumed. Although a gas stove that supplies gas by a hose is used as a heating source, a gas stove provided with a gas cylinder or another electric stove can be used. As described above, according to the present invention, a roasting container having a container is rotatably mounted horizontally above a box-shaped heat source storage, and the container is opened and closed. The roasting container body is rotationally driven by a drive mechanism, and an opening communicating with the inside of the container portion is provided at one end of the roasting container body rotating shaft, and the rotatable hinge is provided so that the entire container body can be turned upright. Coffee roasting apparatus having a transmission mechanism portion connected to the mounting portion, the other end side being mounted on the mounting bearing portion, being separated when the roasting container body erects, and provided with a transmission mechanism portion which is connected to the drive mechanism when the roasting container is laid horizontally. Since the roasting container (container portion) for storing the coffee beans is directly heated and the container itself is rotated, the requirement for the durability of the roasting container is reduced, and uniform roasting is easily realized. Also, the structure for taking out coffee beans from the roasting container can be simplified.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall perspective view of an embodiment of the present invention. FIG. 2 is a front view of the same part cut away. FIGS. 3A and 3B are explanatory views of the structure on the other side of the rotary shaft, wherein FIG. 3A is a perspective view of a transmission mechanism, and FIG. FIG. 4 is a right side view of the same. FIG. 5 is an explanatory diagram of a state of discharging coffee beans after the completion of the roasting operation. [Description of Signs] 1 Heat source storage unit 11 Upper opening 12 Box-shaped main body 13 Door 131 Notch for hose 14 Hinge 141 Hinge 142 L-shaped receiving plate 15 Mounting bearing (supporting roller) 2 Roasting container 21a , 21b Rotation shaft 22 Container part 221 Heat passage hole 23 Opening 24 Connecting roller 25 Handle 3 Opening / closing lid 31 Handle 32 Vent 33 Control roller 4 Drive mechanism 41 Operating part 42 Output shaft 5 Transmission mechanism 51, 52 Gear

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A23N 12/08-12/10

Claims (1)

(57) [Claims] [Claim 1] Box-shaped and a large number of air holes formed in the front surface
An opening is formed above the heat source storage section provided with the closed door section ,
When the roasting container body having a container portion having a heat passage hole formed in the peripheral surface is rotatably mounted horizontally with the container portion positioned in the opening, one end of the rotating shaft is located inside the container portion. And the entire roasting container body
Can be turned upright to the side of the storage part, and below the opening when it is turned upright
Connected to the hinge that allows placing the container receiving towards, the axis of rotation of the other end side, the置軸receiving portion mounting comprising a support roller provided at the opening edge, a groove for fitting to said support rollers
The connecting roller provided is mounted on the shaft and mounted thereon, and a handle for turning and standing operation is extended, and a rotation shaft located between the operating handle and the mounting bearing portion is provided with a lateral position of the heat source storage portion. The roasting container body in a horizontal state is mounted on a heat source storage portion, wherein a gear connected to an output shaft of a drive shaft portion having a motor and a gear which is separated when the roasting container body stands up and meshes with the rotatable container body are mounted on a shaft. Cover the container
Together with the connecting roller when closing
Equipped with a holding roller that holds down the connecting roller and closes
The opening / closing lid, which has a vent at the top
A coffee bean roasting device characterized in that the edge portion is attached with a bow .