JP2003259975A - Washed rice cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate attachment and detachment of a rice storage tank and a measuring means of a rice measuring section attachment and detachment device of a washed rice cooking machine or the like. <P>SOLUTION: The rice storage tank 2 storing rice is formed of a main tank 2a and a funnel-shaped hopper section 2b, a measuring drum 11 receiving a prescribed quantity of rice from a notched opening in a position in which the drum fronts on the funnel-shaped hopper section 2b while rotating around a horizontal axis below the funnel-shaped hopper section 2b and discharging rice in a position in which the drum fronts on the discharge opening is internally provided in a drum case 12, the funnel-shaped hopper section 2b is fixed to the drum case 12, the main tank 2a to store rice is detachably mounted in the funnel-shaped hopper section 2b, and the drum case 12 is provided in a partition member 28 in which a rice discharge opening is formed. For inspection or the like, firstly the main tank 2a is removed. Subsequently the funnel-shaped hopper section 2b and the drum case 12 can be removed from the partition member 28 with the drum 11 internally mounted. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice washing / cooking device, and more particularly to an improvement in the attachment / detachment configuration of a rice measuring unit.

[0002]

2. Description of the Related Art In a rice washing and cooking machine having a means for storing rice, a means for measuring rice, a means for washing rice, a means for cooking rice, and a means for controlling, a main tank for accommodating rice is provided integrally with a lower measuring drum case for maintenance and rice. The structure is such that it can be attached and removed upward in order to remove the clogging.

[0003]

However, in the above-mentioned known example, since it is attached and detached together with the main tank, the weight thereof is bulky and heavy, and it is difficult for women and women to handle.

[0004]

In order to solve the above problems, the invention of claim 1 comprises a rice storage tank 4 for storing rice, which comprises a main tank 4a and a funnel-shaped hopper portion 4b. While rotating around the horizontal axis below the shaped hopper 4b, a predetermined amount of rice is received from the cutout opening at the position desired for the funnel shaped hopper 4b, and the rice is discharged at the position where the cutout looks at the discharge opening. The measuring drum 13 is installed inside the drum case 10, and the funnel-shaped hopper portion 4b is fixed to the drum case 10.
In b, the main rice tank 4a for accommodating rice is detachably placed, and the drum case 10 is detachably provided on the partition member 3 having a rice discharge opening. A rice washing tank 5 is provided below the partition member 3.
Is arranged to supply rice from the weighing drum 13, a water supply port 49 is arranged near the left and right center lines of the rice washing tank 5 in a plan view, and the drum case 10 is provided on one side on the upper surface of the partition member 3. And a motor 40 for the rice discharge valve 39 and stirring rods 35, 35 ... Driving rice washing motor 36 are arranged on the other side.

Thus, for inspection, etc., the main tank 4a is first removed, and then the funnel-shaped hopper portion 4b.
The drum case 10 and the drum case 10 can be detached from the partition member 3 with the measuring drum 13 left as it is. Further, when the drum case 10 is attached or detached, it is not necessary to bypass the water supply pipe and the motors to take them out, and the attaching and detaching operation is easy.

According to the second aspect of the present invention, the drum case 10 is equipped with a motor 15 for rotating and interlocking the internal measuring drum 10. The lower part of the drum case 10 is synchronized with the discharge interlocking of the measuring drum 10. Discharge shutter 25 that opens and closes
And is detachably provided together with the drum case 10. Therefore, the motor 15, the discharge shutter 25, and the link mechanism thereof can be attached and detached together with the drum case 10.

[0007]

According to the first aspect of the present invention, the funnel-shaped hopper portion 4b and the drum case 10 can be removed from the partition member 3 with the measuring drum 13 as it is inside.
Compared with the conventional structure in which the main tank and the drum case are removed all at once, the structure can be attached and detached as a divided structure, so that it is possible to weigh and facilitate the attachment and detachment work.

Further, since the drum case 10 is constructed so that it can be easily attached and detached, it is possible to perform maintenance such as inspection of peripheral members, for example, water supply system members leading to a water faucet and various electric system harnesses, or cleaning and removal of overflowing rice. It will be easy.

Further, when the drum case 10 is attached or detached, the water supply pipe and the motors do not get in the way, and the attaching and detaching operation is easy.

According to the second aspect of the present invention, since the motor 15 and the discharge shutter 25, and hence the link mechanism thereof, can be attached and detached together with the drum case 10, they can be taken out together and the maintenance of the upper surface of the partition member 3 becomes easy. .

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a front view of a rice washing and cooking apparatus used in a dining room or the like for supplying a large amount of rice, a side view thereof is shown in FIG. 2 and a side sectional view thereof is shown in FIG.

A support member 1 for framing a U-shaped or square tubular member in a vertical and horizontal direction is a rectangular underframe 1a having casters at the bottom.
And left and right columns 1b, 1b having a predetermined width and a predetermined height, and a plurality of horizontal rails 1c, 1c ... Supported between the left and right columns 1b, 1b. The horizontal movement frame 2 provided so as to be movable left and right along the horizontal rails 1c, 1c is configured to support a rice storage tank, a rice washing tank, and the like. The horizontal moving frame 2 includes a horizontal horizontal frame portion 2a having an upper surface and a vertical frame portion 2b connected to a rear end portion of the horizontal frame portion 2a.
And are configured to have an L shape in a side view.

The horizontal frame 2a is provided with a flat plate-like partition member 3 for mounting various equipments, a rice storage tank 4 is provided above it, and a rice washing tank 5 is provided below the rice storage tank 4 to wash rice. Below the tank 5, rice cooker main bodies 6 are arranged at intervals. The rice-cooking device main body 6 is composed of a rice-cooking pot 7, a pot heating burner 8 and a pull-out mount 9. It should be noted that the rice cooker main bodies 6 are provided on the left and right in twos, and the integrated tank of the rice storage tank 4 and the rice washing tank 5 is moved to the left / right along with the horizontal movement of the horizontal movement frame 2 along the horizontal underframe 1a.
The right rice cooker main body 6, 6 can be opposed to the upper position.

The rice storage tank 4 comprises an upper main tank 4a having a rectangular cross section and a lower funnel-shaped hopper portion 4b, and a weighing drum case 10 is attached to the lower end portion of the hopper portion 4b. Inside the measuring drum case 10, there is provided a measuring drum 13 including a drum portion 11a having a cylindrical notch portion 11 and front and rear side wall portions 12a and 12b, and the front and rear side wall portions 12a and 12b are penetrated. Horizontal axis 1
It is rotatably supported by the drum case 10 by means of the number 4. Further, the drum case 10 is used to directly interlock the shaft 14.
A motor 15 is mounted on the rear surface side, and the rice that has flowed from the rice storage tank 4 through the cutout portion 11 into the weighing drum 13 by a certain amount is filled, and the position of the cutout portion 11 is inverted downward by rotation and the drum is rotated. When it reaches the discharge port 16 formed in the case 10, it is discharged downward from the measuring drum 13.

The partition member 3 is provided with an opening 17 corresponding to the discharge port 16 and the metering drum 13 is rotated by a predetermined number of rotations so that a predetermined amount of rice is fed from the rice storage tank 4 to the rice washing tank 5. It is configured. In addition, a predetermined amount can be supplied by detection of a rotation sensor (not shown) that counts the number of times of feeding.

The drum case 10 and the funnel-shaped hopper 4b.
Is integrally formed, and after removing the upper main tank 4a, the integrated body of the hopper 4b and the drum case 10 can be detached from the partition member 3. That is, on the rear side, an engaging portion 20 is provided on the hook-shaped portion 18 formed on the partition member 3 so that the engaging convex portion 19 of the drum case 10 can be engaged and disengaged, and on the front side, the partition member 3 and the drum case 10 are provided. A detachable engagement stay 21 that is detachably fixable with a screw is provided between and, and the engagement with the drum case 10 is released by loosening the screw 22 and rotating the stay 21 around the screw portion center. The lower end edge of the drum case 10 is formed so as to be fitted into the rectangular opening of the partition member 3, but the engagement stay 21 is disengaged and the side thereof is slightly lifted upward so that the lower end edge of the drum case 10 is removed. By disengaging the fitting from the partition member 3 and pulling it obliquely from the front toward the front, the fitting of the lower end edge on the rear side can be released and the engagement of the engaging portion 20 can be released.

The rice storage tank 2 and the weighing unit are constructed so that the outside is covered with a cover member 23, and the left and right side walls and the rear side wall are appropriately fixed to the partition member 3 and the like, and the front side wall 23a is provided.
Is configured in the form of a door that can be opened and closed with the right side of the front view as a fulcrum. Therefore, the inspection / removal of the rice storage tank 2 and the drum case 10 can be performed with the front side wall 23a open. Reference numeral 24 is a rectangular cover plate that is detachably attached from above.

Reference numeral 25 denotes a rice discharging shutter provided on one side (front side in the illustrated example) of the funnel-shaped hopper portion 4b for blocking rice discharging in an upright posture and tilting by rotating around a shaft supporting portion. It is configured as a guide chute so that rice inside can be discharged.

FIG. 10 is a sectional view of the measuring drum 13, in which gaskets 26a and 26b for obliquely guiding the rice are obliquely provided between the funnel-shaped lower hopper 4b and the drum case 10, and the outer periphery of the measuring drum 13 and the drum. The gap t with the inner circumference of the case 10 is small enough not to crush the rice even if it is infiltrated.
(For example, about 1 mm), further, even if rice infiltrate into the gap t from the upper side, the wetting drum 1 of the gasket is set so that the infiltrated rice can escape to the outside.
The gasket 26a support structure on the 0 rotation good side is provided with the bolt 27 and the nut 2 for the extension 10a of the drum case 10.
Although it is fixed by 8, the nut 29 is further interposed between the extension portion 10a and the gasket 26a holding metal fitting.
Therefore, a space where rice can escape from the peripheral portion can be formed by the nut 29, and even if the rice unexpectedly enters the space between the measuring drum 13 and the drum case 10, the rice can easily escape with the rotation of the measuring drum 13.

The measuring drum 13 is repeatedly rotated and stopped in a fixed direction by the motor 15, but the measuring drum 13
The stop position of is the position shown by the solid line in FIG. That is, a vibrating means (in the illustrated example, a pump 66 for air supply described later) is attached to the side wall of the funnel-shaped hopper 4b on an inclined wall near the side where the rotating rear gasket 26b is present to promote rice flow inside. In addition, the opening end of the measuring drum 13 stops at the position after rotation of the vibration side gasket 26b, and the other opening end of the measuring drum 13 does not move on the non-vibration side gasket 26a.
The rice that is going to enter due to the vibration of the vibrating means is blocked by the measuring drum 13 while the non-vibrating side naturally feeds the rice into the measuring drum 13. The quantity accuracy can be stabilized.

As shown in FIG. 3, the rice washing tank 5 is provided with a receiving cylinder portion 31 for guiding the rice supplied from the drum case 10 in the ceiling portion, a cylindrical body portion in the middle portion, and a hopper in the lower portion. From the net-like body having the opening-like portion having the opening of the rice-washing tank 3 connected to the bottom of the hopper-like portion of the rice washing tank 3 so as not to leak rice grains at the boundary between the hopper-like portion and the jacket 32. A filter 33 is provided.

A vertical rotating shaft 34 is provided at the center of the rice washing tank 5, and a plurality of stirring rods 35, 35 ... Are formed by bending a rod-shaped body into an inverted L shape. The part is attached to the shaft 34 by welding or the like. The rotating shaft 34 is rotated by a rice washing motor 36 via a bevel gear mechanism 37, and is configured to agitate the rice and water in the tank by the rotation.

The rotating shaft 34 is a hollow shaft, and the inner shaft 38 is vertically slidably fitted inside the outer hollow shaft 34, and is freely detachable from the lower end of the shaft 38 extending downward. A rice discharge valve 39 having a conical shape is provided in the. The opening / closing control of the rice discharge valve 39 is performed by moving the upper end of the shaft 38 up and down by an interlocking mechanism such as a cam 41 driven by a rice discharge valve driving motor 40 and a dropping arm described later. When the rice discharge valve 39 is opened, the rice in the rice washing tank 5 is configured to drop into the inner pot of the rice cooker body 6 below.

The bent portions of the stirring rods 35, 35 ... Are formed substantially along the inclined inner wall of the rice washing tank 5, but the stirring rod 35a which is the outermost and approaches the inner circumference of the tank. The distance from the inner circumference is not fixed in the longitudinal direction of the stirring rod 35a, but the gap M below the tank is wider than the gap m above (FIG. 6). Therefore, when removing rice, the stirring rod 3
In No. 5, even when it is stopped, the gap with the inner wall of the tank is gradually widened so that the passage is smooth and the generation of residual rice is prevented.

42 is a front side of the rice washing tank 5,
An inspection lid that covers the inspection window 43 that opens from the upper cylindrical portion to the conical portion that follows it. A hinge 44 is provided between one side of the left and right sides and the conical portion, and the other side is a so-called patch lock. The inspection lid 42 is maintained in the lid-covered state by the fixing device 45 in the form. Therefore, the opening / closing support axis C of the hinge 44 is in the inclined direction along the conical portion, and does not spontaneously return to the lid-like shape unexpectedly in the opened state, and always maintains the open-ended posture for inspection work. It does not hurt. In addition, in this hinge 44 part,
If the position regulating means is constituted by the elastic biasing force, the position can be fixed and maintained at the cover-applied position or the open-covered position, and unexpected rotation around the axis is prevented, which is more convenient.

Water is supplied to the rice washing tank 5 by a main water supply pipe 46 communicating with the tap, an upper water supply valve 47 and two flexible upper water supply pipes 48, 48, and an upper water supply at the ceiling of the rice washing tank 5. There are two systems, an upper water supply route via the ports 49, 49 and a lower water supply route branched from the main water distribution pipe 46 to the lower water supply valve 50, the water distribution pipe 51, and the lower water supply port 52 via the jacket part 32. Done. Each water supply route is equipped with a flow rate sensor.

That is, in the vicinity of the drum case 10, with the partition member 3 as a base, two upper water supply pipes 48, 48 leading to the main water distribution pipe 46 are arranged, and the partition member 3 is provided in a penetrating distribution pipe. A lower water supply pipe 53 is connected to 51.

Reference numeral 55 denotes a shutter which is connected to the electric motor 15 to open and close the discharge port 16. The rotation of the motor 15 is connected to the shutter support shaft 58 through the link mechanisms 56 and 57 so that the drum opening is the discharge port. Shutter 5 when 16 matches
It is interlocked so that it can be opened 5 times. For this reason, the shutter 55 is normally in the closed posture to prevent the diffused water from scattering during the rice washing in the rice washing tank 3 to prevent the water from entering the measuring drum 13.

The above-mentioned upper water supply pipes 48, 48 are arranged so as to be located on the left-right center line in plan view, and this position corresponds to the left-right center line in plan view of the rice washing tank 5 described later. Further, the drum case 10 is located on the left side of the position where the upper water supply pipes 48, 48 are arranged, and on the right side thereof, the motor 40 for the rice discharge valve 39 and the stirring rods 35, 35 described later.
... A rice washing motor 36 for driving is arranged.

A drain box 60 is provided behind the lower portion of the rice washing tank 3. The drainage box 60 having the drainage port 61 has an overflow pipe 6 whose upper end opens to the upper side surface of the rice washing tank 3.
The lower end of 2 and the other end of the jacket water pipe 63 whose one end communicates with the jacket 32 are connected.
Drainage from the jacket water pipe 63 is performed by opening and closing the drain valve 64, and the water level valve 65 adjusts the water level in the rice washing tank 5.

The drainage box 60 is always closed by a drainage valve 64 and a water level valve 65. However, when draining the water in the rice washing tank 5, from the filter 33 of the jacket portion 32 to the jacket water pipe 63 and drainage. Valve 64 and / or water level valve 6
5, the drainage box 60 and the drainage port 61 are used for drainage. The drain valve 64 and the water level valve 65 are opened / closed by appropriate opening / closing outputs. A float sensor (not shown) with an electric contact is provided on the upper portion of the rice washing tank 3 to detect the amount of water in the rice washing tank 5.
Is equipped with.

Water is supplied to the rice washing tank 5 by two systems, that is, an upper water supply route passing through the upper water supply port 48 of the ceiling of the rice washing tank 5 and a lower water supply route passing through the jacket part 32 from the lower water supply port 51. However, an air ejection pipe 67 that is in communication with the pump 66 and ejects air is arranged in parallel with the lower water supply pipe 52 of the lower water supply route, and the air is ejected in parallel with the water of the lower water supply route. Together with jacket 3
The lower water supply pipe 52 and the air ejection pipe 67 are provided at positions eccentric from the center of the jacket portion 32 in FIG. 11B, and swirl in which air and water are mixed. The flow is easy to occur.

During the rice washing operation in the rice washing tank 5, the rotation directions of the large and small stirring rods 35, 35 ... Provided on the rotary shaft 34 in the rice washing tank 5, the water jetting direction from the lower water supply route, and the air flow. The air jet directions from the jet pipe 67 are configured to be opposite to each other.

At the time of washing rice, the stirring rods 35, 35 ...
As shown in FIG. 11 (b), it is rotated counterclockwise so that water from the lower water supply route and the air of the air ejection pipe 67 are ejected so as to rotate clockwise. Then,
In the rice washing tank 5, especially in the vicinity of the bottom,
At the same time as stirring by 5, 35, ..., Air bubbles are generated and bubbles are produced, so that a high rice washing effect can be obtained.

In FIG. 12, the bran removing step (T1),
Polishing rice / bubble washing rice process (T2 to T4), rough rinsing process (T5 to T7), and finishing rinsing process (T8 to T1)
The rice is washed in the order of 2). The drainage valve 6
4. While the water level valve 65 is open, the rice washing motor 20 is driven while water is being supplied by the upper water supply valve 46 (section T1).
The stirring is performed by 35 ... In the rice polishing / bubble washing process (b), the wet rice is agitated by driving the rice washing motor 36 while the upper and lower water supplies are stopped (sections T2, T).
4) It is. The bubble washing rice process (section T3) is incorporated in the middle of this polishing process. In the rough rinsing process c, after the stirring state (section T5) by the runoff by the opening operation of the upper water supply valve 47, both the drain valve 64 and the water level valve 65 are closed, and the pump 66 is supplied while water is supplied by the upper and lower water supply valves 47 and 50. The bubble-washed rice is driven to eject air from the air ejection pipe 67 (section T6). After the section T6, the drainage valve 64 and the water level valve 65 are both opened to perform the rice polishing process in which only the rice washing motor 36 is driven (section T7).

Finally, in the finishing step D, both the drain valve 64 and the water level valve 65 are closed, and a pump 66 is driven while water is supplied from the lower water supply valve 50 to a bubble-washed rice state (section T8). Is continued until the float sensor (not shown) is turned on, and when it is full, the pump 66 is temporarily stopped to switch to washing rice (T9), and thus the washing motor 36 is stopped to finish washing rice. . In the section T11, the upper water supply valve 47 is opened to supply water, and rice remaining on the wall surface of the tank is washed away. After that, this upper water supply is stopped for a predetermined time (section T12)
After the lapse of time, the rice washing process is finished.

Next, the operation of the rice cooker will be described.

First, a control computer equipped with a memory and a CPU (not shown) has a reservation time, an amount of supplied rice, a water supply amount of a rice washing tank, a rice washing time (rotation time of the stirring rod 35), and a polishing time (rotation of the stirring rod 35). Time), the immersion time in the rice washing tank or the pot, the number of times the rice is washed, the flooding time of the rice washing tank, the drainage time of the rice washing tank, and the steaming time. It is set by the operation display device 70 provided.

FIG. 13 shows an operation panel (operation display device).
A state in which the switch cover 71 of 70 is closed (see FIG.
(A)) and the opened state (FIG.13 (b)) are shown.

On the operation panel 70, a process display section 72, a reservation switch 73, a setting switch group 74, a start switch 75, a help switch 76, etc. are arranged, and a liquid crystal display screen 77 is provided below. In the process display section 72, a preliminary process including weighing, washing, and soaking (immersing) rice,
LEDs 78, 78 that are provided for each process display section, indicating the rice cooking process including preparation of the pot, dipping (immersion), ignition, rice cooking, spotting, and cooking up, respectively
... are lit up so that they can be discriminated from each other, and green light is emitted in a normal operating condition and red light is emitted in an abnormal condition so that the operating condition can be easily recognized.

The setting switch group 74 is provided with "UP (+)", "DOWN (-)" and "feed" switches on the upper, lower, left and right sides, and changes the main settings such as the planned number of pots and cooking. This is a configuration in which the rising time and the like can be set.

The switch cover 71 which opens and closes vertically at a horizontal axis fulcrum is provided at the bottom of the operation panel 70.
When the cover 71 shown in FIG. 3A is closed, the liquid crystal display screen 77 displays the normal operation display screen A. In this embodiment, the cumulative number of rice cooks (corresponding to the number of rice cookers; hereinafter referred to as the cumulative number of cookers), the number of times rice is continuously cooked (hereinafter referred to as the planned number of cookers), the capacity to be processed in one rice cook, and the method of cooking rice. (Mode), the total soaking time in the rice cooking preliminary step and the rice cooking step, and the steaming time are displayed.

Further, FIG. 13B shows the switch cover 71.
Shows the open state. The cover 71 has a cover opening / closing detecting means 79 including a photo coupler and a reflecting plate and a locking portion 80.
And the cover 71 is opened, the cover open / close detection means 7
9 is turned off, and the liquid crystal display screen 77 displays a screen on which the rice cooking conditions can be set immediately from the normal operation display screen A, and this screen is hereinafter referred to as rice cooking condition setting screen B. The rice-cooking condition setting screen B is a screen on which any one of the rice-cooking amount, the amount of water, the washing method, the soaking time, the steaming time, the cooking mode (mode), and the ignition method can be set. The rice cooking conditions can be determined by the setting switches 81, 81 located at corresponding positions.

In the normal operation display screen A, as shown in FIG. 14, in which state the rice washer-cooker is currently, and at that time, if a treatment is required, a "rice treatment" is called out. "Replenishment", "Stopping", "Driving", "During abnormality",
Characters such as "water addition" are displayed. Furthermore, in order to draw the operator's attention, the displayed characters are configured to be reversed and blinked (see FIGS. 14 to).

FIG. 15 shows a normal operation screen A during normal operation on the operation panel 70 of this embodiment.

First, when the power switch 82 is turned on,
The normal operation screen A, which is a standard screen, is displayed, the cumulative number of kettles that is a preset rice cooking condition, the display while the operation is stopped, and the amount of rice cooked at one time is 5 squares, and rice is cooked for each kettle.
The dipping time and steaming time are displayed. If the reservation switch 73 is turned on at this time, the current time, the method of starting the operation,
Display that reserved driving is possible. Next, when it is desired to change the rice cooking conditions displayed on the screen A, the switch cover 71 is opened, the rice cooking condition setting screen B is displayed, and the setting conditions can be changed. For example, change the amount of cooked rice to "5
When the mode is changed from “3 boxes” to “3 boxes” and the mode is changed from “one kettle” to “continuous”, the normal operation screen A is switched to “3 boxes” and “continuous”. Next, switch group 74 "UP"
When the switch is operated to set the planned number of kettles from "3" to "10", the planned number of kettles is changed to "10".

Next, when the start switch 75 is pressed,
Driving starts and the message "Driving" is displayed. When the rice in the kettle has been cooked several times, for example, when the rice is in a shortage state, the display of "in operation" is changed to the blinking display of "supply of rice". Then, when the rice supply is completed, the automatic operation is restarted. At this time, when the help switch 76 is pressed, the remaining time is displayed.

During automatic operation, for example, if the shuttle is not ready, the display "in operation" flashes. At this time, when the help switch 76 is turned on, a treatment method is displayed, and an instruction to set the inner pot is displayed. When the ignition is in the manual mode after setting the inner pot, the sound of the ignition call is heard, and at the same time, the "in operation" display blinks to prompt the ignition. When the ignition switch is turned on and the operation is restarted and a predetermined time has elapsed, a voice indicating that rice cooking is completed is sounded, and at the same time, the display of "in operation" blinks. You will be prompted to do so.

Next, the supporting structure of the rice storage tank 4 and the rice washing tank 5 will be described with reference to FIGS. 1, 2 and 16.

The support member 1 includes the underframe 1a as described above,
It is composed of left and right columns 1b, 1b and a plurality of horizontal rails 1c, 1c. The horizontal moving frame 2 supporting the rice storage tank 4 and the rice washing tank 5 is composed of an upper flat horizontal frame portion 2a and a vertical frame portion 2b connected to the rear end portion of the horizontal frame portion 2a. It is L-shaped.

On the left and right sides of the rear end of the horizontal frame portion 2a, upper rollers 86 and 8 which rotate around the horizontal axis in the front-rear direction.
6 and rear rollers 87, 87, which rotate around the vertical axis, are provided, and the roller shafts 87a of the rear rollers 87, 87.
8, is loosely fitted into the hole 88a of the support plate 88 to form an automatic alignment type in which the axis can be tilted by, for example, about 6 °. Is provided with a lower roller 89 which rotates around the vertical axis and which is of the same self-aligning type as the rear rollers 87.

Then, the upper rollers 86, 86 ... Of the lateral movement frame 2 are placed and contacted on the upper surface of the horizontal rail 1c on the upper part of the support member 1, and the rear rollers 87, 8 are attached to the rear surface of the upper horizontal rail 1c.
7 ... and the lower roller 89 is brought into contact with the front surface of the intermediate horizontal rail 1c, the lateral movement frame 2 supporting the rice storage tank 4 and supporting the washing rice tank 5 in a suspended state The movable frame 2 is supported so as to be movable in the lateral direction.

In this embodiment, the laterally moving frame 2 is constituted by the lateral frame portion 2a and the vertical frame portion 2b connected to the rear end of the lateral frame portion 2a in an L-shape in side view, and the upper roller 86, 86, the rear rollers 87, 87, and the lower roller 89 support the supporting member 1, so that even if the rice washing tank 5 is removed, the rice storage tank 4 does not hang down forward, and the supporting member 1 for supporting the laterally moving frame 2 in a laterally movable manner via the upper rollers 86, 86, rear rollers 87, 87, and lower roller 89, the roller shafts 87a of the rear rollers 87, 89 are provided in the holes of the supporting member 88. Since the self-aligning type is loosely fitted to the 88a, even if there is a manufacturing error or an assembly error, the axis of the rear rollers 87, 87, ... And, it is possible to prevent uneven wear and damage the rollers.

Next, an embodiment of the drive configuration of the rice discharge valve 22 will be described with reference to FIG.

The drive configuration of this rice discharge valve 39 is as follows.
When the rice is removed from the rice discharging shaft 38 for cleaning and then mounted again, the rice discharging shaft 38 is fixed so as not to slide up and down to facilitate the mounting.

A rice discharge shaft 38 is vertically slidably fitted in the hollow rotary shaft 34, and a rice discharge valve 39 is attached to the lower end of the rice discharge shaft 38. An intermediate part of a dropping arm 90 that moves up and down in a seesaw shape is pivotally supported by a mounting member above the rice washing tank 5, one end of the dropping arm 90 is connected to an upper end of the rice discharging shaft 38 by a pin 91, and the other end of the dropping arm 90 is attached. Roller 9
2, a dropping cam 41 driven by a rice discharge valve driving motor 40 in the direction of the arrow is movably linked, and the rice discharge valve 39 is moved up and down to open and close the lower opening of the rice washing tank 5. A stopper 93 is provided for stopping the downward rotation of the one end of the dropping arm 90 at a predetermined position.

In the state shown by the solid line in FIG. 17, the dropping cam 41 is
The large diameter portion of the drop arm 90 abuts on the roller 92 of the drop arm 90, lifts the left boom of the drop arm 90,
The rice discharge shaft 38 and the rice discharge valve 39 are lifted via the, and the rice discharge valve 39 is closed. Then, when the dropping cam 41 further rotates counterclockwise, it rotates while pushing the left side portion of the dropping arm 90, and when the large diameter portion thereof separates from the roller 92, the left side of the dropping arm 90 causes the rice discharging valve 39 or the like. The rice discharging shaft 38 also moves downward due to its own weight, and the rice discharging valve 39 is opened (phantom line in FIG. 11).

The operation of the above example will be described.

The power switch 82 is turned on and the rice cooking conditions are set according to each operation of the operation panel 70. When the start switch 75 is turned on after setting various rice cooking conditions, the operation is started as in the rice cooking flow shown in FIG.

That is, after the setting input of the rice cooking conditions is completed, FIG.
When the start switch 75 is pressed in step 0 shown in 8,
In step 1, weigh the rice in the rice storage tank 4 with a weighing drum,
A set amount of rice is supplied to the rice washing tank 5, and the rice is washed in step 2.

The rice washing process of step 2 is a bran removing process of stirring rice while dripping water, a polishing process of once watering and then draining and stirring the rice in a wet state, a rough rinsing process of stirring rice at a predetermined water level, It consists of a finish rinsing process in which water is stirred while overflowing from the tank. The rough rinsing step and the finish rinsing step mean a rice washing step in a narrow sense of stirring rice in water.

Next to the broadly defined rice washing process of step 2,
Proceed to the water addition / reduction process of step 3. In this step 3, the microcomputer calculates the amount of rice in the rice washing tank 3, the quality of the rice, the temperature, the water temperature, etc., and the water is supplied to the rice washing tank 5, and the water level valve 65 is supplied after the rice washing tank 5 is full.
"Open" for the calculated time and add water.

In step 4, the washed rice in the washing rice tank 5 and the water measured in step 3 are added to the discharged rice valve 3
It is dropped on the rice cooker 7 by opening and closing 9.

In step 5, the rice in the rice cooker 7 is immersed in water for a specified time. After the lapse of the specified time, ignition is performed in step 6, rice is cooked in step 7, steaming is performed in step 8, and cooked up in step 9 to prepare predetermined cooked rice (step 10). A predetermined amount of rice is weighed and supplied to the washing rice tank 5. In the rice washing tank 5, the rice is washed by the rice washing motor 36 and the like while being supplied with water. That is, the bran removing step a, the rice polishing step b, the rough rinsing step c, and the finishing rinsing step d are performed in this order.

When the above-mentioned rice washing process is completed, the rice is cooked after the dipping treatment.

Before the start switch 75 is turned on, a reservation screen can be output by operating the reservation switch, and the cooked time and the like can be reserved and set to cook at the scheduled time.

As described above, the predetermined amount of fed rice is washed and cooked. To inspect the area around the rice storage tank 4 and the like, first open the front door of the cover member 23 and remove the cover plate 24. Keep it. In this state, the main tank 4a is lifted up and removed. Next, the detachable engagement stay 21 is loosened from the partition member 3, and the funnel-shaped hopper portion 4b and the drum case 1 are removed.
0 and the measuring drum 13 and the drive motor 15 are removed. Therefore, the drum case 10 itself can be inspected at a desired place. Further, the upper surface of the partition member 3 is opened, so that it is possible to easily inspect the water supply system such as the water pipes and water supply valves on the back side, the electric system of various cables, and the cleaning of the overflow rice. When rice remains in the lower hopper portion 4b, the discharge shutter 25 may be opened to remove it, and the drum case 10 or the like may be attached or detached.

FIGS. 19 and 20 relate to a ventilation fan 95 and other mounting structures for keeping the vicinity of the rice storage tank 4 in a ventilated state. The outside air introduced by the fan 95 is located at the left side of the drum case 10 and in the vicinity of the rice discharge valve 39 motor 40 located on the opposite side thereof.
6a, 96b is configured to be pulled downward. The ventilation fan 95 has its wind tunnel flange 95a covered by the cover member 23.
The flange 97 is fixed to the inner surface of the opening 97 at the corner of one side surface by co-fastening with the outer flange body 98, and the lid body 99 formed on the perforated net 99a is configured in a magnet detachable form. Become. Therefore, the opening 97 is normally formed into a ventilation net by magnet joining, and the magnet joining can be removed as needed to inspect the inside.

[Brief description of drawings]

FIG. 1 is a front view of a rice washing and rice cooker showing an embodiment of the present invention.

FIG. 2 is a side view of the rice washing and cooking machine.

FIG. 3 is a front cross-sectional view of a rice washing rice cooker.

FIG. 4 is a front view of a rice storage tank and a rice washing tank.

FIG. 5 is a perspective view of a rice storage tank and a rice washing tank.

FIG. 6 is a front view of a rice storage tank and a rice washing tank with a partial cross section.

FIG. 7 is a plan view of a rice storage tank and a rice washing tank.

FIG. 8 is a side sectional view of a main part.

FIG. 9 is a front view of a main part.

FIG. 10 is a sectional view of a drum case.

FIG. 11 (a) is a side view showing an operating state. (B) The top view which shows an operation state.

FIG. 12 is a time chart diagram.

FIG. 13 is a front view of an operation panel.

14 is a diagram showing an operating state of a normal operation display screen of the operation panel of FIG.

15 is a diagram showing a normal operation screen of the operation panel of FIG. 5 during normal operation.

FIG. 16 is a side view showing the configuration of a lateral movement frame.

FIG. 17 is a front view showing an operating state of a dropping arm.

FIG. 18 is a diagram showing an overall control flow of the rice cooker.

FIG. 19 is a plan view showing another example.

FIG. 20 is an exploded perspective view of a ventilation fan unit.

[Explanation of symbols]

3 ... Partition member, 4 ... Rice storage tank, 4a ... Main tank, 4
b ... Hopper part, 10 ... Drum case, 18 ... Hook-shaped part, 19 ... Engagement convex part, 20 ... Engagement part, 21 ... Detachable engagement stay, 22 ... Screw

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Motoyuki Kikuchi             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Soichiro Nishimura             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. (72) Inventor Kihachiro Hase             No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture             Technology Department Co., Ltd. F-term (reference) 4B054 AA06 AA16 AB01 AC02 CA00                 4B055 AA07 BA31 BA56

Claims (2)

[Claims] 1. A rice storage tank 4 for storing rice is a main tank 4a.
And a funnel-shaped hopper portion 4b. Under the funnel-shaped hopper portion 4b, while rotating around the horizontal axis, a predetermined amount of rice is received from the notched opening portion at a position looking into the funnel-shaped hopper portion 4b, and the cutout portion is formed. A weighing drum 13 that discharges rice at a position where the opening looks into the discharge port is provided inside the drum case 10, and the funnel-shaped hopper portion 4b is fixedly provided to the drum case 10, and the funnel-shaped hopper portion is provided. In the rice washing and cooking device, the main tank 4a for accommodating rice is removably placed on 4b, and the drum case 10 is removably provided on the partition member 3 having a rice discharge opening. A rice washing tank 5 is arranged below the partition member 3 so as to supply rice from the weighing drum 13, and a water supply port 49 is provided near the left and right center lines of the rice washing tank 5 in plan view.
, The drum case 10 is disposed on one side of the upper surface of the partition member 3, and the motor 40 for the rice discharging valve 39 and the stirring rods 35, 35 ... Driving rice washing motor 3 on the other side.
A rice washing and cooking device with 6 arranged. 2. A measuring drum 1 having a drum case 10 therein.
2. A motor 15 for rotating 0 is mounted, and a discharge shutter 25 that opens and closes in synchronization with the discharge operation of the measuring drum 10 is provided below the drum case 10, and is detachably provided together with the drum case 10. The rice washing and cooking device described in.