JPH06170252A - Rice washing device for washed rice cooking machine - Google Patents

Abstract

PURPOSE:To substantially prevent hindering of a draining chamber positioned to a rear side by rice washing and cooking operations from a front surface side by providing the lower rear side of a rice tank with a rice washing device which houses the rice supplied from this rice tank and washes the rice and the draining chamber for draining after the rice washing. CONSTITUTION:This rice washing device of the rice washing and cooking device is constituted by providing the rear side in the lower part of the rice tank 1 with the rice washing device 2 which houses the rice supplied from the rice tank 1 and washes the rice and the draining chamber 25 for draining after the rice washing. The prescribed amt. of the rice is metered and supplied from the rice tank 1 to the rice washing device 2 when the rice is preliminarily housed and the rice washing and cooking operation is started. The water is supplied and the rice washing effect is executed in the rice washing device 2. The draining of the rice washing water is executed by the draining effect in the draining chamber 25. Only the rice of this washed rice is supplied from the rice washing device 2 into the lower rice cooking device or the washed rice is supplied together with the water after the adjustment of the water therein, where the washed rice is cooked.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice washing device for a rice washing rice cooker, which has a compact and easy-to-operate structure without taking up a large space.

[0002]

2. Description of the Related Art A rice washing machine is installed under a rice tank, but a drainage chamber for draining rice is located outside the bottom of the rice tank. In order to support it on the frame, a large space is required to avoid interference between the machine frame and the drainage chamber. Also, the support structure of these becomes unstable.

[0003]

The present invention relates to a rice tank 1
On the rear side of the lower part of the rice, a rice washing machine 2 for storing and washing rice supplied from the rice tank 1, and a drainage chamber 2 for draining the rice after washing.
5 is provided and the rice washing device of the rice washing rice cooker is configured.

[0004]

FUNCTION AND EFFECT OF THE INVENTION Rice tank 1 When rice is stored in advance and washing and cooking operations are started, a predetermined amount of rice is metered from the rice tank 1 to the rice washing device 2. This rice washer 2
Inside, water is supplied and a rice washing action is performed, and drainage of the washing water is performed by the drainage action in the drainage chamber 25.

[0005] Washed rice is supplied from this rice washer 2 into the rice cooker below and is cooked with rice alone or together with water after water adjustment. In such an action of washing and cooking rice, since the rice tank 1 is at the uppermost portion and the size thereof is not easily limited, the rice storage amount can be kept large, and the rice washing device 2
The drainage chamber 25 and the like are located below the rice tank 1 so as not to project to the outer peripheral portion such as the rear side. Can be installed close to each other, and the drainage chamber 25 is located on the rear side and is unlikely to interfere when washing and cooking rice from the front side.

When the rice washing device 2 is moved over a plurality of rice cookers on the left and right to switch the rice washing supply, the drainage chamber 25 is unlikely to interfere with the machine frame during this movement.
Stable work can be performed.

[0007]

EXAMPLE A pair of gas pots 6 are arranged on the left and right at the bottom of the machine frame 5, and rice cookers 3 and 4 are placed on each gas stand so that rice can be cooked by gas ignition. This rice cooker 3,4
Has an outer pot, an inner pot 7 fitted in the outer pot, a pot lid 8 and the like, and has a handle 9 so that it can be pulled out to the front side together with the gas table 6, and the rice cooker 3, The inner hook 7 of 4 is attached and detached at a position where it is pulled out to the front side.

On the rear side of the upper part of the machine frame 5, horizontal rails 10 and 11 are erected horizontally, and a moving table 12 having an upper rice tank 1 and a lower rice washing device 2 is moved by rollers 13 and 14. The rice washing device 2 is freely supported, and the rice washing device 2 is moved and opposed to the upper side of the rice cookers 3 and 4 so that the rice washing supply position can be switched. The rice tank 1 has a measuring device 15 at the bottom. This measuring device 15 rotates a rotating cylinder having a hollow cylindrical shape around a shaft 16 by driving a motor M1 to pump out rice in the rice tank 1 while rotating it at regular intervals. By detecting the number with the rotation sensor 17, it is inputted to a controller CPU having a microcomputer and weighed (as capacity or weight).

The rice washing machine 2 is located below the rice tank 1, and has a stirring rod 19 which is rotated by a vertical stirring shaft 18 at the center thereof, and a worm gear 20 and the like by an upper rice washing motor M2. A discharge port 22 that is opened and closed by a discharge valve 21 is provided at the bottom. The discharge valve 21 is integrated with the lower end of a valve shaft 23 that can be inserted along the center of the stirring shaft 18, and the valve shaft 23
The upper end portion of is configured to be vertically moved by the discharge motor M3 via a crank mechanism or the like.

A mesh 24 is provided on the outer peripheral portion of the discharge port 22 so as to communicate with the drainage chamber 25. By opening and closing a drainage valve 26 in the drainage chamber 25, tap water is fed from the lower nozzle 27 into the rice washing machine 2. Water can be supplied to or drained after washing rice. The water supply pipe 28 guided from the water pipe through the flow rate sensor 73 includes a lower nozzle 27 that is opened and closed by a solenoid valve 29 to supply water, and an upper shower 31 that is opened and closed by a solenoid valve 30 to supply water.
It has a configuration that can supply water for washing rice and for adjusting water from the upper and lower portions of the rice washer 2. The drain valve 26 in the drain chamber 25 is opened / closed by a solenoid 32 via a wire 33, a bell crank 34, and the like.

The rice washing device 2 is deviated to the front side of the rice tank 1 and the drainage chamber 75 at the lower end of the rice washing device 2 is located at the rear side thereof.
Is connected to the drainage chamber 25, and the drainage chamber 25 does not project outward from the lower region of the upper rice tank 1. Also, on the rear side of the rice washer 2, a moving table 12 is provided on the rail 1.
The machine frame 5 supported by 0 and 11 is provided, but the moving table 12
Moves left and right along the rails 10 and 11,
The drainage chamber 25 is set so as not to hit the machine frame 5.

A lid 35 is provided on the rice tank 1 so as to be openable and closable so that rice can be supplied and filled. A rice lower limit sensor 36 for detecting a decrease in rice and urging the rice to be supplied with a buzzer or the like is provided below the rice tank 1. A water upper limit sensor 37 for detecting the full supply of the washing water is provided on the upper part of the rice washing device 2, and further water supply is discharged from the overflow port 38 to the outside of the device. Reference numeral 39 is an inspection lid that opens and closes the outer peripheral portion of the rice washer 2.

On the moving table 12, the rice tank 1, the rice washing device 2, the weighing device 15, the water supply pipe 28, and the weighing motor M1, the rice washing motor M2, and the discharging motor M3 as described above are provided.
In addition to mounting the same, etc., it is possible to control the movement in the lateral direction by having the movement motor M4 and drivingly rotating the drive roll 13 rolling on the upper rail 10. On the front of the rice tank 1 on the moving table 12, there is an operation panel 40.
At 0, various operation switches, an LED display unit, and the like are arranged. The display unit 41 normally displays the time, but when the display other than the time is desired, the switch 42 may be pressed to return to the time display. When the test switch 43 is pressed, various display lamps arranged around the display unit 41, that is, a help number 44 for displaying operation procedures by numbers, a timer reservation 45, a current time 46, a rice storage amount 47, and a cumulative total pot. The number 48, the planned number 49 of pots, and a process display 50 for displaying each process from the rice supply to the rice tank 1 to the completion of rice cooking, the remaining time, and the like are sequentially displayed. When the weighing switch 51 is pressed, the weighing motor M1 is driven,
The scale 15 is rotated once. When the rice washing switch 52 is pressed, the rice washing motor M2 is driven and the stirring rod 19 is rotated. Press the upper water supply switch 53, the lower water supply switch 54, etc. to open the solenoid valves 30, 29, etc.
Supply water inside. If the water level switch 55 is pressed, the drainage is adjusted by opening the drainage valve 26 by the output of the solenoid 32 so that the water level in the rice washer 2 becomes the water level set by the water addition switch 56 from the time when the water upper limit sensor 37 detects it. . When the drain switch 57 is pressed, the drain valve 26 is opened by the output of the solenoid 32, and the rice washing drain is drained through the mesh 2.
Have students perform through 4. When the drop switch 58 is pressed, the discharge motor M3 is driven to open the drain valve 21. By pressing the reset switch 59, the error display flag on the display unit 41 can be canceled. The test switch 43 to the reset switch 59, etc. as described above are mainly operated at the time of checking before starting work.

As the setting switches, in addition to the water addition / decrease switch 56, a rice cooking amount switch 60 for setting the rice cooking amount, a washing method switch 61 for setting the rice washing method, a dipping switch 62 for setting the dipping time, and a moisturizing time are provided. Set the Murashishi switch 63, mode switch 6 to set the rice cooking mode
4. A rice storage switch 65 or the like for setting the amount of rice supplied in the rice tank 1 may be arranged and appropriately set before cooking rice.

Reference numeral 66 is a switch for setting the number of shuttles, 67 is a start switch for starting the weighing operation of the weighing machine 15, 68 is a timer setting switch for setting a reservation timer, and 69 is a display section. A clear switch 70 for clearing the cumulative number of kettles displayed in 41 is a help switch for pressing the error lamp 71, the buzzer 72, etc. when the failure point is unclear to display this failure point by number. Is.

[0016] As shown in the flow chart (Fig. 7), the operation process and required time for washing rice and cooking rice are as follows: Weighing by the measuring device 15 (t1) → Washing rice by the rice washing device 2 (t2) → From the upper shower 31 in the rice washing device 2. Immersion of rice in a rice-washing part (colander) with an intermittent shower (t3) → moving table 12 of rice-washing machine 2
Left, right movement (t4) → Addition of water in the rice washer 2 (t5)
→ Rice discharge by opening the drain valve 21 (t6) → Soaking in the inner pot 7 of the rice cooker 3 (t7) → Rice cooking by gas ignition (t8)
→ Steaming (t9) → Exchange of inner pot 7 after completion of rice cooking (t
Go through each step of 10).

A single rice washing machine 2 moves to left L and right R,
In the mode in which rice is cooked while switching and supplying the washing rice to the two rice cookers 3 and 4 on the left and the right, the dipping steps t3 to t7 are appropriately set by the setting switch 62 as the dipping time, so that each washing step T1 = By continuing t1 to t6 and the rice cooking process T2 = t7 to t10 in each rice cooker 3, the entire process of washing rice → rice cooking T = T1 + T2 can be performed efficiently. Of each process, the time changes
Mainly the immersion process t3 to t7 and the steaming process t9,
It is also possible to be able to change the ratio between the rice washing part dipping t3 and the pot dipping t7. As for the setting of the immersion time by the setting switch 62, either one of these t3 and t7, or both t3 and t7 may be changed and set. The dipping time is calculated by the controller CPU as t3 + t7, and the pot dipping time t7 after washing the rice is calculated and controlled. The water addition t5 is adjusted so that the immersion time matches the set value.
Although it is started by the output of the solenoid valves 29 and 30, the start of such water addition and reduction t5 is performed by the rice cooker 3 or 4.
By detecting the end of the rice cooking process T2, it is performed after the rice washing device 2 is moved onto the rice cooker 3 or 4.

That is, an inner pot sensor 91 for detecting that the rice cookers 3 and 4 are provided with an empty inner pot 7, a lid sensor 90 for detecting the presence or absence of the pot lid 8 on the inner pot 7, After the completion of rice cooking, the movement sensor 87 that detects that the rice washer 2 laterally moves to the left and right and stops, and so on. The water adjustment t5 in the container 2 is started.
When this water adjustment t5 is finished, the discharge valve 21 is opened by the output of the discharge motor M3, and the washed rice is dropped t6 into the rice cooker 3 or 4 together with the adjusted water, and the rice is immersed in the pot for the calculated time. Is done.

When the rice washing is completed early and the rice cooking is delayed, the movement t4 is carried out with the drainage drainage inside the rice washing device 2 being completed after the immersion t3 in the rice washing part 2 is completed.
Wait for the start. At this time, the rice washing in the rice washing device 2 is on standby without being soaked. By operating the washing method switch 61, five steps are set from lightly washing to careful washing, and which washing mode is set in advance at the time of washing rice. With the wash switch 61,
When any one of the five washing steps is selected, the washing CPU M2, the solenoid valve 30 for upper water supply, and the solenoid valve 2 for lower water supply are passed through the controller CPU.
9, the solenoid 32 of the drainage valve 26, etc. is output to control rice washing.

Each of the five washing modes has control outputs such as rice washing time, upper water supply time, lower water supply time, drainage time,
The number of repetitions of these washings, the time for the entire washing process, etc. can be changed and set for each process such as bran removal, polishing, rough rinsing, finish rinsing by overflow, and so on. -Memory is set in five steps from mode to careful mode-
I am letting you.

In order to clean the inside of the rice washing device 2, the discharge chamber 74 of the discharge port 22 having the discharge valve 21 is formed in a cylindrical shape as shown in FIG. Communication passages 75 and 76 are set tangential to the discharge chamber 74, and the pair of left and right drainage valves 26 and water level valves 77 oppose each other so as to open and close the ends of the communication passages 75 and 76 on the drainage chamber 25 side. I am letting you. Further, the lower nozzle 27 of the lower water supply pipe 28 is seen in the communication passage 75.

Like the drain valve 26, the water level valve 77 is opened and closed via a solenoid 78, a wire 79, etc., but when the lower water is supplied from the lower nozzle 27,
The communication passage 75 is closed to guide it to the discharge chamber 74 side. or,
When draining water after washing rice, the drain valve 26 is controlled to open. After the completion of washing the rice, the rice and water are dropped by opening the discharge valve 21, and immediately after the drain valve 26 and the water level valve 77 are closed (FIGS. 3 and 9), the upper water supply valve 30 is opened. By supplying water from the upper shower 31, the bran, dust, etc. adhering to the inside of the rice washer 2 can be washed away, and immediately after that, the drain valve 26 is opened and water is supplied from the lower nozzle 27. The lower water supply vigorously swirls into the discharge chamber 74 from the communication passage 75, and this washing water flows from the communication passage 76 on the opposite side to the drain chamber 25.
Since it is drained to, effective cleaning can be performed.

The drainage chamber 25 and the discharge chamber 74 are integrally formed, and the mounting edge 81 formed on the upper side of the discharge chamber 74 is attached to and detached from the lower edge 82 of the rice washer 2 by bolting or the like. Freedom. On the left and right side surfaces of the drainage chamber 25, transparent glass plates 83 can be freely opened and closed by a fastener 84.
To facilitate internal maintenance. On the rear side of the drainage chamber 25, a pair of fixing brackets 85 are attached to the left and right, and the rice washing device 2 of a fixed form can be fixed by tightening with a bolt 86 to a part of the machine frame 5 (Figs. 10 to 10). 12), instead of such a bracket 85, a pair of left and right moving brackets 88 each having a roller 14 for slidingly guiding the rail 11 are attached, and a movement sensor 87 including a limit switch is attached. By detecting the moving positions facing the left and right rice cookers 3 and 4, the moving position of the moving table 12 including the rice washing device 2 and the rice tank 1 is controlled (Fig. 1).
3 to 15).

In this way, the drainage chamber 74, the drainage chamber 25, etc. can be attached to and detached from the bottom of the rice washing machine 2, and the bracket 8
By making it possible to replace 5 and 88,
By making the discharge chamber 74 and the drainage chamber 25 common, it is possible to obtain the specifications of a fixed form for fixing the rice washing device 2 and a moving form for moving it. Reference numeral 80 denotes a drainage port of the drainage chamber 25. Reference numeral 89 is an overflow pipe for passing the overflow water from the overflow port 38 once into the drainage chamber 25 and flowing it down to the drainage port 80.

[Brief description of drawings]

FIG. 1 is a front view of an operation panel.

FIG. 2 is a side view of a rice washing section.

FIG. 3 is a plan view of a drainage unit.

FIG. 4 is a plan view.

FIG. 5 is an overall front view.

FIG. 6 is a side view thereof.

[Fig. 7] Time chart for controlling rice washing and cooking.

FIG. 8 is a partial block diagram of control.

FIG. 9 is a time chart of cleaning control.

FIG. 10 is a side view of a discharge chamber and a drainage chamber part showing another embodiment.

FIG. 11 is a plan view thereof.

FIG. 12 is a rear view thereof.

FIG. 13 is a side view of a discharge chamber and a drainage chamber part showing another embodiment.

FIG. 14 is a plan view thereof.

FIG. 15 is a rear view thereof.

[Explanation of symbols]

 1 Rice tank 2 Rice washer 25 Drainage chamber

Claims (1)

[Claims] 1. Washed rice cooked rice comprising a rice washing device 2 for storing rice supplied from the rice tank 1 and washing the rice, and a drainage chamber 25 for draining the rice after the rice washing, on the rear side of the lower portion of the rice tank 1. Rice washing equipment.