JP4543259B2 - Rice washing equipment - Google Patents

Rice washing equipment Download PDF

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JP4543259B2
JP4543259B2 JP2005122631A JP2005122631A JP4543259B2 JP 4543259 B2 JP4543259 B2 JP 4543259B2 JP 2005122631 A JP2005122631 A JP 2005122631A JP 2005122631 A JP2005122631 A JP 2005122631A JP 4543259 B2 JP4543259 B2 JP 4543259B2
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rice
water
rice washing
valve
washing tank
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JP2006297280A (en
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武志 弓達
秀夫 滝本
基之 菊池
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Iseki and Co Ltd
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Iseki and Co Ltd
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Description

この発明は、洗米タンク内で米の供給を受けて洗米し、洗米された米を洗米タンクの下部に設けた投下弁を開いて下方に待機する容器に投下する構成の洗米装置の技術分野に属する。   The present invention relates to a technical field of a rice washing apparatus configured to receive rice in a rice washing tank, wash the rice, and drop the rice that has been washed into a container waiting for the opening by opening a dropping valve provided at the bottom of the rice washing tank. Belongs.

従来、洗米タンク内へ米を供給すると共に水供給手段により洗米タンク内に水を供給して洗米し、米が洗米されると水供給手段により炊飯に要する水量の新たな水(水加減水)を洗米タンク内へ供給し、洗米タンク5の下部に設けた投下弁を開いて洗米タンク内から供給された水と共に洗米された米を下方に待機する炊飯釜等の容器へ投下する構成の洗米装置が知られている。この洗米装置では、投下弁を開いて水加減水と共に米を投下した後に、洗米タンクの内壁に沿って少量の水を漏下させて洗米タンクの内壁に付着して該タンク内に残留する米を洗米タンク外へ排出するようになっている(特許文献1)。
特開平11−276349号公報
Conventionally, rice is supplied into the rice washing tank and water is supplied into the rice washing tank by the water supply means to wash the rice, and when the rice is washed, the water supply means a new amount of water required for rice cooking (water addition / reduction) The rice washing tank is opened, and the drop valve provided at the bottom of the rice washing tank 5 is opened to drop the washed rice together with the water supplied from the rice washing tank into a container such as a rice cooker that waits downward. The device is known. In this rice washing apparatus, after opening the dropping valve and dropping the rice together with water addition and subtraction, a small amount of water leaks along the inner wall of the rice washing tank and adheres to the inner wall of the rice washing tank and remains in the tank. Is discharged out of the rice washing tank (Patent Document 1).
JP-A-11-276349

ところが、上記背景技術のものは、投下弁を開いて米を投下した後、洗米タンクの内壁に付着する米を排出しようとするものであり、一旦洗米タンク内壁に付着した米は流下しにくく、十分な米の排出能力を得られないことが考えられる。また、洗米タンク内に残留する米は、投下弁近傍の米の投下口(排出口)付近に付着して残ることが多く、上記背景技術のものでは、前記投下口(排出口)付近に残る米を適確に排出するのに適切なものとはいえなかった。   However, the thing of the said background art tries to discharge the rice adhering to the inner wall of the rice washing tank after opening the drop valve and dropping the rice, and the rice once adhering to the inner wall of the rice washing tank is difficult to flow down, It is considered that sufficient rice discharge capacity cannot be obtained. In addition, the rice remaining in the rice washing tank often remains attached to the vicinity of the rice drop opening (discharge port) in the vicinity of the drop valve, and remains in the vicinity of the drop opening (discharge port) in the above-mentioned background art. It could not be said that it was appropriate to discharge rice properly.

そこで、本発明は、米を投下する際に、確実に米を投下できるようにして、洗米タンク内に米が残留しないようにすることを課題とする。また、米を投下する際に、特に米の投下口(排出口)付近に米が残留しないようにして、確実に米を排出できるようにすることを課題とする。   Then, this invention makes it a subject to make it possible to drop rice reliably when dropping rice, and to prevent rice from remaining in a washing tank. Another object of the present invention is to ensure that rice is not discharged when the rice is dropped, particularly in the vicinity of the rice outlet (discharge port).

本発明は、上記課題を解決するために、次のような技術的手段を講じた。
すなわち、請求項1に記載の発明は、洗米タンク(5)内で米の供給を受けて洗米し、洗米された米を洗米タンク(5)の下部に設けた投下弁(39)を開いて下方に待機する容器(6)に投下する構成の洗米装置において、洗米タンク(5)内に水を供給する水供給手段を設け、投下弁(39)を開いて前記水供給手段により供給された水と共に洗米された米を投下する構成とし、前記水供給手段による洗米タンク(5)内へ所定量の水が供給されてから投下弁(39)が開くまでの間に洗米タンク(5)内へ空気を噴出する空気噴出手段を設けた洗米装置とした。
In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention according to claim 1 receives the supply of rice in the rice washing tank (5) to wash the rice, and opens the dropping valve (39) provided on the lower part of the rice washing tank (5). In the rice washing apparatus configured to drop into the container (6) waiting downward, water supply means for supplying water is provided in the rice washing tank (5), the drop valve (39) is opened, and the water supply means supplies the water. The rice washed with water is dropped and the inside of the rice washing tank (5) after a predetermined amount of water is supplied to the rice washing tank (5) by the water supply means until the dropping valve (39) is opened . The rice washer was provided with an air jetting means for jetting air.

従って、請求項1に記載の洗米装置は、洗米タンク5内で供給された米を洗米し、洗米した米に水供給手段で水を所定量供給してから、投下弁39が開くまでに空気噴出手段で空気を噴出する。そして、投下弁39を開いて水供給手段により供給された水と共に洗米された米を投下するため、米を水の流下に合わせて勢い良く投下させることができ、容器6のある所望の位置へ適確に米を投下できる。そして、洗米タンク5内に所定量の水が供給されてある程度の水が貯留された状態で投下弁39を開く前に空気噴出手段により洗米タンク5内へ空気が噴出されるため、その空気の噴出で水が洗米タンク5内で対流して米の攪拌作用が更に向上する。また、米は水より比重が大きいために洗米タンク5内に貯留された水中の下部に米が沈みがちであるが、洗米タンク5内において噴出された空気が水中で米に当たって米に浮力が生じ、水中で米が拡散した状態となりやすく、投下弁39が開いて米を投下する際に、米がまとまって流下せずに水の流下と共に徐々に流下するようになり、米が水の流下に効率良く付勢されて円滑に流下する。   Therefore, the rice washing apparatus according to claim 1 cleans the rice supplied in the rice washing tank 5 and supplies a predetermined amount of water to the washed rice by the water supply means until the dropping valve 39 is opened. Air is ejected by the ejection means. Then, since the rice washed with the water supplied by the water supply means is opened by opening the drop valve 39, the rice can be dropped vigorously according to the flow of the water, and the container 6 can be moved to a desired position. The rice can be dropped accurately. Since air is ejected into the rice washing tank 5 by the air ejection means before the drop valve 39 is opened in a state where a predetermined amount of water is supplied into the rice washing tank 5 and a certain amount of water is stored, Water convects in the washing rice tank 5 by jetting, and the stirring action of rice is further improved. In addition, because rice has a higher specific gravity than water, the rice tends to sink in the lower part of the water stored in the rice washing tank 5, but the air blown in the rice washing tank 5 hits the rice in the water and causes buoyancy in the rice. The rice tends to diffuse in the water, and when the drop valve 39 is opened and the rice is dropped, the rice does not gather and gradually flows down with the water flow, and the rice flows into the water flow It is energized efficiently and flows down smoothly.

請求項1に記載の発明によると、洗米タンク5内の米が攪拌された状態で投下されるので、米によるブリッジ現象が生じて米が円滑に流下しなかったり投下弁39近傍の投下口(排出口)付近で詰まったりするようなことを防止でき、洗米タンク5内に米が残留しないようにして確実に容器6へ投下させることができる。特に、前記投下口(排出口)付近に米が残留しないようにでき、米の投下を円滑に行える。   According to the first aspect of the present invention, since the rice in the rice washing tank 5 is dropped in a stirred state, a bridging phenomenon occurs due to the rice, and the rice does not flow smoothly, or the dropping port near the dropping valve 39 ( It is possible to prevent clogging in the vicinity of the discharge port), and it is possible to reliably drop the rice into the container 6 so that the rice does not remain in the washing tank 5. In particular, rice can be prevented from remaining in the vicinity of the drop opening (discharge opening), and the rice can be dropped smoothly.

また、空気の噴出で水が洗米タンク5内で対流して米の攪拌作用が更に向上すると共に、米を投下する際には米が水の流下に効率良く付勢されて流下するため、米が円滑に流下しなかったり投下弁39近傍の投下口(排出口)付近で詰まったりするようなことを更に防止でき、米の投下をより確実に且つ円滑に行える。   Also, water is convected in the washing rice tank 5 due to the blow of air, and the stirring action of the rice is further improved, and when the rice is dropped, the rice is efficiently urged to flow down and flows down. Can be prevented from flowing smoothly or clogged near the dropping port (discharge port) near the dropping valve 39, and the rice can be dropped more reliably and smoothly.

以下、この発明の実施の一形態を図面に基づいて説明する。
大量の米飯を供給する食堂等において使用される洗米炊飯装置の正面図を図1に、その側面図を図2に、また側面断面図を図3に示す。
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
A front view of a rice-washing rice cooker used in a canteen or the like for supplying a large amount of cooked rice is shown in FIG. 1, a side view thereof is shown in FIG. 2, and a side sectional view thereof is shown in FIG.

コ型又は角筒材を縦横に枠組みする支持部材1は、下部にキャスタを備えた長方形状の台枠1aと、所定幅及び所定高さの左右支柱1b,1bと、左右支柱1b,1b間に支架した複数の横桟1c,1c…により構成されている。この支持部材1には貯米タンクや洗米タンクなどを支持する構成である。   A support member 1 for vertically or horizontally framing a U-shaped or rectangular tube material is composed of a rectangular base frame 1a having casters in the lower part, left and right struts 1b and 1b having a predetermined width and height, and left and right struts 1b and 1b. Are composed of a plurality of horizontal rails 1c, 1c,. The support member 1 is configured to support a rice storage tank, a rice washing tank, or the like.

上記支持部材1には各機材を装着すべく平板状の仕切り部材3を設け、その上部に貯米タンク4を設け、この貯米タンク4の下方には洗米タンク5を設け、洗米タンク5の下方には、引き出し式の架台9を備え適宜の容器6を配置できる構成である。   The support member 1 is provided with a flat partition member 3 for mounting each equipment, a rice storage tank 4 is provided on the upper part thereof, a rice washing tank 5 is provided below the rice storage tank 4, and the rice washing tank 5 Below, a drawer-type gantry 9 is provided and an appropriate container 6 can be arranged.

貯米タンク4は、断面方形状の上部の主タンク4aと、下部の漏斗状ホッパ部4bとからなり、このホッパ部4bの下端部に計量ドラムケース10が取り付けられている。該計量ドラムケース10内には、円筒状で切欠き部11を形成したドラム部11aと、前後の側壁部12a,12bとからなる計量ドラム13を設け、該前後の側壁部12a,12bを貫通すべく横軸14によって回転自在にドラムケース10に支持している。またこの軸14を直接連動すべくドラムケース10の後面側にモータ15を装着し、貯米タンク4から切欠き部11を介して計量ドラム13に一定量ずつ流下した米が充填され、回転によって切欠き部11位置が下方に反転してドラムケース10に形成した排出口16に至ると計量ドラム13から流下排出される構成である。   The rice storage tank 4 includes an upper main tank 4a having a square cross section and a lower funnel-like hopper portion 4b, and a measuring drum case 10 is attached to a lower end portion of the hopper portion 4b. The measuring drum case 10 is provided with a measuring drum 13 having a cylindrical drum portion 11a formed with a notch 11 and front and rear side wall portions 12a and 12b, and penetrates the front and rear side wall portions 12a and 12b. The drum shaft 10 is supported by the horizontal shaft 14 so as to be rotatable. In addition, a motor 15 is mounted on the rear side of the drum case 10 so as to directly link the shaft 14, and rice that has flowed from the storage tank 4 through the notch 11 to the measuring drum 13 by a certain amount is filled and rotated. When the position of the notch 11 is reversed downward to reach the discharge port 16 formed in the drum case 10, the flow is discharged from the measuring drum 13.

前記仕切り部材3には排出口16に対応する開口17を備え、上記計量ドラム13を所定回転数だけ回転させることで、所定量の米を貯米タンク4から洗米タンク5に繰り出すよう構成されている。又、その繰り出し回数をカウントする回転センサ(図示せず)の検出によって所定量を供給できる構成としている。   The partition member 3 has an opening 17 corresponding to the discharge port 16, and is configured to feed a predetermined amount of rice from the rice storage tank 4 to the rice washing tank 5 by rotating the measuring drum 13 by a predetermined number of rotations. Yes. Further, a predetermined amount can be supplied by detection of a rotation sensor (not shown) that counts the number of times of feeding.

上記ドラムケース10と漏斗状ホッパ4bとは、一体的に構成され、上部の主タンク4aを取り外した後、このホッパ4bとドラムケース10との一体物は、仕切り部材3から外すことができるよう構成される。即ち、後方側は仕切り部材3に形成したフック状部18にドラムケース10の係合凸状部19を係脱可能に係合部20を設け、前方側にはこれら仕切り部材3とドラムケース10との間に螺子で着脱固定自在の着脱係合ステー21を設け、螺子22を緩めてステー21を螺子部中心に回動することにより、ドラムケース10との係合を解く構成である。ドラムケース10はその下端縁が仕切り部材3の長方形状の開口に嵌合すべく形成されるが、上記の係合ステー21の係合を外してその側を上方にやや持ち上げて上記下端縁の仕切り部材3からの嵌合を解き、前方から手前方向斜めに引き抜くことによって後方側の下端縁の嵌合を解きつつ係合部20の係合から解放できる。   The drum case 10 and the funnel-shaped hopper 4b are integrally configured, and after the upper main tank 4a is removed, the integrated body of the hopper 4b and the drum case 10 can be removed from the partition member 3. Composed. That is, on the rear side, an engagement portion 20 is provided on a hook-like portion 18 formed on the partition member 3 so that the engagement 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. An attachment / detachment engagement stay 21 that can be attached / detached and fixed with a screw is provided, and the engagement with the drum case 10 is released by loosening the screw 22 and rotating the stay 21 about the center of the screw portion. The drum case 10 is formed so that the lower end edge thereof fits into the rectangular opening of the partition member 3, but the engagement stay 21 is disengaged and the side thereof is lifted slightly upward to form the lower end edge. By releasing the fitting from the partition member 3 and pulling it obliquely forward from the front, it is possible to release the engagement of the engaging portion 20 while releasing the fitting of the lower end edge on the rear side.

前記貯米タンク2及び計量部は、外方をカバー部材23で覆う構成で、左右側壁及び後側壁は適宜前記仕切り部材3等に固定して設けられ、前側壁23aは例えば正面視右側部を支点として開閉可能な扉形態に構成される。従って、前記貯米タンク2やドラムケース10の点検着脱はこの前側壁23aを解放した状態で行える。なお、24は上方から着脱自在に施蓋する方形の覆板である。   The rice storage tank 2 and the metering section are configured to cover the outside with a cover member 23, and the left and right side walls and the rear side wall are suitably fixed to the partition member 3 and the like. It is configured as a door that can be opened and closed as a fulcrum. Therefore, inspection and attachment of the rice storage tank 2 and the drum case 10 can be performed with the front side wall 23a being released. Reference numeral 24 denotes a rectangular cover plate that is detachably covered from above.

25は、漏斗状ホッパ部4bの一側(図例では前側)に設けた排米用の排出シャッタで、起立姿勢で排米を遮断し、軸支部回りに回動することによって傾斜案内シュート状になり内部の米を排出できる構成としている。   25 is a discharge shutter for draining rice provided on one side (front side in the illustrated example) of the funnel-shaped hopper portion 4b, which shuts off the rice in a standing posture and rotates around a shaft support portion to form an inclined guide chute. It is configured to be able to discharge the internal rice.

55は前記電動モータ15と連繋して排出口16を開閉動するシャッタで、モータ15の回転をリンク機構56,57を介してシャッタ支軸58部に連結しドラム開口部が排出口16に一致するときシャッタ55開状態となるよう連動構成している。このため、常時はシャッタ55は閉じ姿勢にあり、洗米タンク3における洗米途中での拡散水の飛散を防いで計量ドラム13内の水の浸入を防止している(図9)。   A shutter 55 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, and the drum opening coincides with the discharge port 16. In this case, the shutter 55 is in the interlocked state so that the shutter 55 is opened. For this reason, the shutter 55 is always in a closed posture, preventing the diffusion of scattered water in the middle of the rice washing in the rice washing tank 3 and preventing water from entering the measuring drum 13 (FIG. 9).

図9は計量ドラム13部の断面図を示し、漏斗状の下部ホッパ4bとドラムケース10との間に米を傾斜案内するガスケット26a,26bを斜設し、計量ドラム13外周とドラムケース10内周との間隔を米の浸入によってもこれを圧砕しない程度の隙間t(例えば約1mm)を有する構成とし、さらに、この隙間tに上部側から米が浸入しても、該浸入米が外部に退避できるように、上記ガスケットのうち、計量ドラム10回転上手側のガスケット26a支持構成を、ドラムケース10延長部10aに対するボルト27及びナット28による固定とするが、さらにナット29を当該延長部10aとガスケット26a保持金具との間に介在する。もってこのナット29による周辺部から米が退避しうる空間が形成でき、不測に米が計量ドラム13とドラムケース10との間隔に浸入しても計量ドラム13の回転に伴い容易に脱出できる。   FIG. 9 shows a cross-sectional view of the weighing drum 13, in which gaskets 26 a and 26 b for tilting and guiding rice are provided between the funnel-shaped lower hopper 4 b and the drum case 10, A gap t (for example, about 1 mm) that does not crush even when the rice is infiltrated with the circumference, and even if rice enters the gap t from the upper side, the invading rice is exposed to the outside. Among the gaskets, the gasket 26a supporting structure on the upper side of the rotation of the measuring drum 10 is fixed to the drum case 10 extension portion 10a by bolts 27 and nuts 28, and the nut 29 is further connected to the extension portion 10a. It is interposed between the gasket 26a holding metal fittings. Therefore, a space in which the rice can be retracted from the peripheral portion by the nut 29 can be formed, and even if the rice unexpectedly enters the space between the measuring drum 13 and the drum case 10, it can easily escape with the rotation of the measuring drum 13.

前記計量ドラム13はモータ15によって一定方向イに回転、停止を繰り返すが、計量ドラム13の停止位置は図9の実線にて示す位置としている。即ち、漏斗状ホッパ4bの側壁に加振手段(図例では後記空気供給用のポンプ66としている)を回転後方側ガスケット26bの存在側近傍の傾斜壁に装着して内部の米流動の促進を図る構成とし、併せて計量ドラム13はその開口端縁が当該加振側ガスケット26bの回転後位にて停止し、他方の開口端縁は非加振側ガスケット26aの前位にて停止するようになして、上記加振手段の振動によって入り込もうとする米を計量ドラム13をもって遮蔽する一方、非加振側では自然に計量ドラム13内に米を送り込むことにより供給量の精度を安定できる。   The measuring drum 13 is repeatedly rotated and stopped by the motor 15 in a fixed direction A. The stopping position of the measuring drum 13 is the position indicated by the solid line in FIG. That is, a vibration means (pump 66 for supplying air described later in the figure) is attached to the side wall of the funnel-shaped hopper 4b on the inclined wall near the side where the rotary rear gasket 26b is present to promote the internal rice flow. In addition, the opening edge of the measuring drum 13 stops at the rear position after the rotation of the vibration side gasket 26b, and the other opening edge stops at the front position of the non-vibration side gasket 26a. Therefore, while the rice that is about to enter by the vibration of the vibration means is shielded by the measuring drum 13, the accuracy of the supply amount can be stabilized by naturally feeding the rice into the measuring drum 13 on the non-excitation side.

洗米タンク5は、図3に示すように、天井部に上記ドラムケース10から供給される米を案内する受け筒部31を備え、中間部に円筒状の胴部と、下部にホッパ状部を持つ構成である、洗米タンク3のホッパ状部の下方にジャケット部32を接続し、ホッパ状部とジャケット部32との境界部に米粒を漏下させない程度の開口を持つ網状体からなるフィルタ33を設けている。   As shown in FIG. 3, the rice washing tank 5 includes a receiving cylinder part 31 for guiding rice supplied from the drum case 10 in the ceiling part, a cylindrical body part in the middle part, and a hopper-like part in the lower part. A filter 33 made of a mesh body having an opening to the extent that does not allow rice grains to leak at the boundary between the hopper-like portion and the jacket portion 32, with the jacket portion 32 connected to the lower portion of the hopper-like portion of the rice washing tank 3. Is provided.

洗米タンク5の中心部には鉛直方向の回転軸34を設け、この回転軸34には棒状体を逆L型に折り曲げ成形した複数の攪拌棒35,35…を、これらの上側端部を軸34に溶接等によって取り付ける。回転軸34は洗米モータ36によりベベルギヤ機構37を介して回転され、回転によってタンク内の米と水とを撹拌すべく構成する。   A vertical rotating shaft 34 is provided at the center of the rice-washing tank 5, and a plurality of stirring rods 35, 35... Formed by bending a rod-like body into an inverted L shape are provided on the rotating shaft 34. It is attached to 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.

上記回転軸34は中空軸であり、内側の軸38は外側の中空軸34の内部に上下摺動自在に遊嵌されていて、下方に延出するこの軸38の下端に着脱自在に円錐形状の投下弁39を設ける。該軸38の上端を投下弁駆動用モータ40で駆動するカム41、投下アーム90等の連動機構により上下動させて、投下弁39の開閉制御がなされる構成である。投下弁39が開くと、洗米タンク5内の米は下方に待機する容器6中に落下するよう構成する。   The rotating shaft 34 is a hollow shaft, and the inner shaft 38 is loosely fitted in the outer hollow shaft 34 so as to be slidable up and down, and is detachably conical at the lower end of the shaft 38 extending downward. A drop valve 39 is provided. The opening and closing of the drop valve 39 is controlled by moving the upper end of the shaft 38 up and down by an interlocking mechanism such as a cam 41 driven by a drop valve driving motor 40 and a drop arm 90. When the dropping valve 39 is opened, the rice in the rice washing tank 5 is configured to fall into the container 6 waiting downward.

上記投下弁39は、上記の軸38に下方側から嵌合装着する構成である。すなわち、円錐状の弁体39aの中央に軸案内部39bを形成し、軸38側には先端側38aを断面小判型に形成すると共に異径部38bを形成し、弁体39a側に固着したプレート39cに小判型開口を形成して、上記軸38側の小判型先端38aが所定の位相角度ではプレート39cの小判型開口に抜き差し自在で所定に挿通して位相角度を変更すると抜けない構成である。弁体39aの側に適宜に固定した左右一対の取付スプリング39dは上記異径部38bを挟持すべく作用して不測の軸の回転を防止して弁体39aの下方への抜け止めを行う構成である。ところで、弁体39aの軸38に対する装着方向は一定であるにもかかわらず、弁体39a側には軸案内部39bの装着孔39eのほか、弁体39a加工上で対抗側にも開口39fが形成されるため、逆組付けの恐れがある。このため図10,11に示すように、非装着側には逆付け防止プレート39gを装着し開口39fを塞いで当該側からの誤組付けを防止している。逆付け防止プレート39gには全く開口のない場合(図10)と、軸38を嵌合できない程度の開口39hとする場合がある(図11)。   The drop valve 39 is configured to be fitted and attached to the shaft 38 from below. That is, a shaft guide portion 39b is formed in the center of the conical valve body 39a, a tip end side 38a is formed in a cross-sectional oval shape on the shaft 38 side, and a different diameter portion 38b is formed, which is fixed to the valve body 39a side. An oval opening is formed in the plate 39c, and the oval tip 38a on the side of the shaft 38 can be inserted into and removed from the oval opening of the plate 39c at a predetermined phase angle so that it cannot be removed when the phase angle is changed. is there. A pair of left and right mounting springs 39d appropriately fixed to the valve body 39a act to sandwich the different diameter portion 38b to prevent unexpected rotation of the shaft and prevent the valve body 39a from coming off downward. It is. By the way, although the mounting direction of the valve body 39a with respect to the shaft 38 is constant, in addition to the mounting hole 39e of the shaft guide portion 39b on the valve body 39a side, an opening 39f is also formed on the opposite side in processing the valve body 39a. Since it is formed, there is a risk of reverse assembly. For this reason, as shown in FIGS. 10 and 11, an anti-reverse plate 39g is mounted on the non-mounting side to close the opening 39f to prevent erroneous assembly from the side. There are cases where there is no opening in the reverse-prevention plate 39g (FIG. 10) and there are cases where the opening 39h is such that the shaft 38 cannot be fitted (FIG. 11).

42は、洗米タンク5の正面側において、上部の円筒状部からこれに続く円錐状部に亘って開口した点検窓43を覆う点検蓋で、左右の一側と上記円錐状部との間にヒンジ44を設け、他方には所謂パッチン錠形態の固着具45をもって点検蓋42は施蓋状態に維持される。従って、ヒンジ44の開閉支持軸芯ハは、上記円錐状部に沿う傾斜方向となって、開蓋状態では不測に施蓋状に自然復帰せず、常時開蓋姿勢を維持して、点検作業に支障を来たさない。なお、このヒンジ44部に、弾性付勢力による位置規制手段を構成すると、施蓋位置や開蓋位置で固定維持でき、軸芯回りの不測の回動を阻止して一層便利である。さらに、この点検蓋42の内面には、施蓋時点検窓43の周縁に略沿わせて軟質性の弾性体による線状パッキン42aを配置するとともに、点検蓋42の内側面の略全面には硬質性の弾性体による面状パッキン42bが構成されている。従来は上記面状パッキン42bのみで線状パッキン42aが無いために、シール性が悪かったが、この線状パッキン42aが面状パッキン42cに囲われる状態となって保護され、シール性を向上しながら、パッキン42a,b自体の耐久性を増加させることができる。なお、線状パッキン42aは、開口部の全周にあたる部分に点検蓋42と面状パッキン42bとの間で挟み状態で貼付け固定する構成である。なお、図12(2)のように、洗米タンク5の点検窓43の外周縁に沿って線状パッキン42cを設け、点検蓋42側の面状パッキン42dとの関係によっても同様の効果がある。   Reference numeral 42 denotes an inspection lid that covers an inspection window 43 that opens from the upper cylindrical portion to the conical portion that continues from the upper cylindrical portion on the front side of the rice washing tank 5, and between the left and right sides and the conical portion. A hinge 44 is provided, and the inspection lid 42 is maintained in a covered state with a so-called patchon-locking fastener 45 on the other side. Accordingly, the opening / closing support shaft center C of the hinge 44 is inclined along the conical portion, and in the opened state, it does not unexpectedly return to the cover shape, and always maintains the open position, and the inspection work is performed. It will not interfere with. If the position restricting means by the elastic biasing force is configured in the hinge 44 portion, it can be fixed and maintained at the cover position or the open position, and it is more convenient because it prevents unexpected rotation around the axis. Further, on the inner surface of the inspection lid 42, a linear packing 42 a made of a soft elastic body is arranged substantially along the periphery of the inspection window 43 when the lid is applied, and on the entire inner surface of the inspection lid 42. A planar packing 42b is formed of a hard elastic body. Conventionally, since the linear packing 42b is not provided and the linear packing 42a is not provided, the sealing performance is poor. However, the linear packing 42a is protected by being surrounded by the planar packing 42c, and the sealing performance is improved. However, the durability of the packings 42a and 42b itself can be increased. The linear packing 42a is configured to be stuck and fixed to a portion corresponding to the entire circumference of the opening in a state of being sandwiched between the inspection lid 42 and the planar packing 42b. As shown in FIG. 12 (2), a linear packing 42c is provided along the outer peripheral edge of the inspection window 43 of the rice washing tank 5, and the same effect is obtained depending on the relationship with the planar packing 42d on the inspection lid 42 side. .

洗米タンク5への水の供給は水道蛇口に連通する主配水管46、上側給水弁47及び2連の可撓性の上給水管48,48、洗米タンク5の天井部の上部給水口49,49を経由する上側給水ルートと、上記主配水管46から分岐して下側給水弁50、配水管51、下部給水口52からジャケット部32を経由する下側給水ルートの2系統で行われる。なお各給水ルートには流量センサを備えている。   The supply of water to the rice washing tank 5 is performed by a main water distribution pipe 46 communicating with the water tap, an upper water supply valve 47, two flexible upper water supply pipes 48, 48, and an upper water supply port 49 on the ceiling of the rice washing tank 5. 49, the upper water supply route via 49, and the lower water supply route branched from the main water distribution pipe 46 through the lower water supply valve 50, the water distribution pipe 51, and the lower water supply port 52 via the jacket portion 32. Each water supply route has a flow sensor.

即ち、前記ドラムケース10近傍で仕切り部材3をベースにして、主配水管46に通じる2本の上給水管48,48を配設すると共に、仕切り部材3を貫通状に設ける配水管51には下給水管53を接続している。   That is, in the vicinity of the drum case 10, two upper water supply pipes 48, 48 communicating with the main water distribution pipe 46 are arranged based on the partition member 3, and the water distribution pipe 51 provided with the partition member 3 in a penetrating manner is provided in the water distribution pipe 51. A lower water supply pipe 53 is connected.

洗米タンク3の下部後方には排水箱60が設けられる。排水口61を有した排水箱60は、上端が洗米タンク3の上部側面に開口する開口部62aに接続したオーバーフロー管62の下端部と、一端部が前記ジャケット部32に連通する2本のジャケット排水管63a,63bの他端部とが接続されている。これらジャケット排水管63a,63bからの排水は排水弁64の開閉で行われ、水位弁65で洗米タンク5内の水位を下げながら所定水量に調整する。   A drain box 60 is provided at the lower rear of the rice washing tank 3. A drainage box 60 having a drainage port 61 has two jackets whose upper ends are connected to an opening 62 a that opens to the upper side surface of the rice washing tank 3 and whose one end communicates with the jacket portion 32. The other ends of the drain pipes 63a and 63b are connected. Drainage from the jacket drain pipes 63a and 63b is performed by opening and closing the drain valve 64, and the water level valve 65 adjusts the water level to a predetermined level while lowering the water level in the rice washing tank 5.

常時、排水箱60は排水弁64及び水位弁65で閉鎖されているが、洗米タンク5内の水を排水する場合には、ジャケット部32のフィルタ33から、ジャケット排水管63a,63b、排水弁64及び/または水位弁65、排水箱60及び排水口61を経て排水される。排水弁64及び水位弁65は適宜の開閉出力によって開閉する。また、洗米タンク3内上部には洗米タンク5内の水量を検出する電気接点付きフロートセンサ(図示せず)を備えている。   The drain box 60 is always closed by the drain valve 64 and the water level valve 65. However, when draining the water in the rice washing tank 5, the jacket drain pipes 63a and 63b, the drain valve are drained from the filter 33 of the jacket portion 32. 64 and / or the water level valve 65, the drainage box 60, and the drainage port 61. The drain valve 64 and the water level valve 65 are opened and closed by appropriate opening and closing outputs. Further, a float sensor (not shown) with electrical contacts for detecting the amount of water in the rice washing tank 5 is provided in the upper part of the rice washing tank 3.

前記洗米タンク5への水の供給は、洗米タンク5の天井部の上部給水口48を経由する上部給水ルートと、下部給水口51,下給水管53からジャケット部32を経由する下部給水ルートの2系統で行われる構成とするが、下部給水ルートの下給水管52に並列して、ポンプ66に連通して空気を噴出する空気噴出管67を配置し、下部給水ルートの水と並列して空気を併せてジャケット部32内に噴出する構成としており、下部給水管52、空気噴出管67は、それぞれ図13(b)において、ジャケット部32の中心より偏芯した位置に設けられ、空気と水が混合された旋回流が生じやすくしている。   The water supply to the rice washing tank 5 is made up of the upper water supply route via the upper water supply port 48 in the ceiling portion of the rice washing tank 5, and the lower water supply route via the lower water supply port 51 and the lower water supply pipe 53 via the jacket portion 32. Although it is configured in two systems, an air ejection pipe 67 that communicates 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 in parallel with the water of the lower water supply route. The lower water supply pipe 52 and the air jet pipe 67 are provided at positions eccentric from the center of the jacket part 32 in FIG. 13 (b), respectively. A swirling flow in which water is mixed is easily generated.

さらに、洗米タンク5での洗米作業時には、洗米タンク5内の回転軸34に設けられている大小の攪拌棒35,35…の回転方向と、下部給水ルートからの水噴出方向及び空気噴出管67からの空気噴出方向を互いに逆方向となるように構成している。   Further, during the rice washing operation in the rice washing tank 5, the rotation direction of the large and small stirring rods 35, 35... Provided in the rotating shaft 34 in the rice washing tank 5, the water ejection direction from the lower water supply route, and the air ejection pipe 67. It is comprised so that the air ejection direction from may become a mutually reverse direction.

即ち、洗米作業時には、攪拌棒35,35…を、図13(b)に示すように、反時計方向に回転させ、下部給水ルートからの水及び空気噴出管67の空気の噴出方向を時計方向に回転するように噴出させる。すると、洗米タンク5内の特に底部近傍において、米は攪拌棒35,35…による撹拌と共に、空気の噴出により気泡が生じて気泡洗米状態となって、高い洗米効果を得ることができる。   That is, at the time of washing the rice, the stirring rods 35, 35... Are rotated counterclockwise as shown in FIG. 13 (b), and the direction of jetting water from the lower water supply route and the air jet pipe 67 is clockwise. Spout to rotate. Then, especially in the vicinity of the bottom in the rice washing tank 5, the rice is agitated by the stirring rods 35, 35.

図14において、糠抜き工程イ(T1)、研米・気泡洗米工程ロ(T2〜T4)、荒ゆすぎ工程ハ(T5〜T7)、及び仕上げゆすぎ工程ニ(T8〜T12)の順に洗米処理される。糠抜き工程イは、排水弁64・水位弁65共に開いた状態のまま上側給水弁46によって給水しながら洗米モータ20を駆動状態に置くもので(区間T1)、水をたれ流しながらの攪拌棒35,35…による撹拌を行なうものである。研米・気泡洗米工程ロは、上下の給水を停止したまま、湿潤状態の米を洗米モータ36の駆動によって撹拌する(区間T2,T4)ものである。上記気泡洗米の工程(区間T3)をこの研米工程の途中に組み込んでいる。荒ゆすぎ工程ハは、上側給水弁47の開動作によるたれ流しによる撹拌状態(区間T5)の後、排水弁64・水位弁65共に閉じて上・下側給水弁47,50によって給水しながらポンプ66駆動し空気噴出管67から空気を噴出する上記気泡洗米状態(区間T6)とする。区間T6の後、排水弁64・水位弁65共に開いて洗米モータ36のみ駆動の研米処理を行なう(区間T7)。   In FIG. 14, the rice washing process is performed in the order of the kneading process (T1), the polished rice / bubble washing process (T2 to T4), the rough rinse process C (T5 to T7), and the finish rinse process D (T8 to T12). The In the brewing step (a), the rice washing motor 20 is placed in a driving state while water is being supplied by the upper water supply valve 46 while both the drain valve 64 and the water level valve 65 are open (section T1). , 35... In the rice polishing / bubble washing process b, the wet rice is stirred by driving the rice washing motor 36 while the upper and lower water supply is stopped (sections T2, T4). The bubble washing rice process (section T3) is incorporated in the course of the polishing process. In the rough rinsing step C, after the stirring state (section T5) due to the drifting by the opening operation of the upper side water supply valve 47, the drain valve 64 and the water level valve 65 are both closed, and water is supplied by the upper and lower side water supply valves 47, 50. It is set as the said bubble washing state (section T6) which drives and blows off air from the air jet pipe 67. FIG. After the section T6, both the drain valve 64 and the water level valve 65 are opened, and the rice-grinding process in which only the rice washing motor 36 is driven is performed (section T7).

最後に仕上げ工程ニは、排水弁64・水位弁65共に閉じて下側給水弁50から給水しながらポンプ66駆動する気泡洗米状態(区間T8)とし、この気泡洗米状態を洗米タンク5が満水となってフロートセンサ(図示せず)がオンするまで継続し、満水となると一旦ポンプ66を停止した洗米に切り換える(T9)ようになし、もって洗米モータ36を停止して洗米を終了する。なお、区間T11は、上側給水弁47を開いて給水する処理を施し、タンク壁面に付着残留する米を洗い流す。後この上側給水を停止して所定時間(区間T12)経過後洗米工程を終了する。   Finally, in the finishing step D, both the drain valve 64 and the water level valve 65 are closed and the water is supplied from the lower water supply valve 50 to make the bubble washing state (section T8) driven by the pump 66. It continues until the float sensor (not shown) is turned on, and when the water is full, the pump 66 is temporarily switched to the stopped rice washing (T9), so that the rice washing motor 36 is stopped and the rice washing is finished. In the section T11, the upper water supply valve 47 is opened to supply water, and the rice remaining on the tank wall surface is washed away. Thereafter, the upper side water supply is stopped, and the rice washing process is terminated after a predetermined time (section T12) has elapsed.

図15には、操作パネル(操作表示装置)70を示している。
操作パネル70には、工程表示部72、予約スイッチ73、設定スイッチ群74、スタートスイッチ75、ヘルプスイッチ76等が配置され、下方には液晶表示画面77を備えている。上記工程表示部72には米の計量、洗米及び浸し(浸漬)からなる洗米タンク側工程、及び容器準備、浸漬、洗米完了の容器側工程を夫々表記し、現在どの工程を実行中であるかを各工程表示部毎に設けたLED78,78…を点灯して識別できるようにし、正常な運転状態では緑色、異常時に赤色の2色に発光するようにして、運転状態を容易に認識できるようにしている。
FIG. 15 shows an operation panel (operation display device) 70.
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, and the like are arranged, and a liquid crystal display screen 77 is provided below. In the process display section 72, the rice washing tank side process consisting of rice weighing, washing and soaking (immersion) and the container preparation, soaking, and washing container side processes are respectively indicated, and which process is currently being executed. Can be identified by turning on the LEDs 78, 78... Provided for each process display unit, and emitting light in two colors of green in a normal operation state and red in an abnormal state so that the operation state can be easily recognized. I have to.

上記設定スイッチ群74は、上下左右に「UP(+)」「DOWN(−)」及び「送り」の各スイッチを配設してなり、詳細な設定方法は省略するが、主な洗米量設定、水加減調整、浸漬時間設定等を行なえる構成である。また、上記洗米タンク側工程の表記部近傍には投下スイッチ68、および容器側工程の表記部近傍には洗浄スイッチ69を配設している。このうち投下スイッチ68は、前記投下弁駆動モータ40を起動して前記投下弁39を下降させる構成である。オペレータは投下弁39やジャケット部32の分解によって清掃メンテを行うことができる。洗浄スイッチ69は、以下のような洗米タンク5が空の状態で内部洗浄する際にオンするスイッチである。   The above-mentioned setting switch group 74 is provided with “UP (+)”, “DOWN (−)”, and “Feed” switches on the top, bottom, left, and right. In this configuration, water adjustment / adjustment, immersion time setting, and the like can be performed. Further, a dropping switch 68 is provided in the vicinity of the notation portion of the rice washing tank side process, and a cleaning switch 69 is provided in the vicinity of the notation portion of the container side process. Of these, the drop switch 68 is configured to activate the drop valve drive motor 40 to lower the drop valve 39. The operator can perform cleaning maintenance by disassembling the drop valve 39 and the jacket portion 32. The washing switch 69 is a switch that is turned on when the inside of the rice washing tank 5 as described below is washed inside.

次に前記操作表示装置(操作パネル)70の操作に基づく洗浄機能を説明する。洗米タンク5が空の状態で内部を洗浄することができるもので、上記の洗浄スイッチ69を操作することで実行できる。   Next, a cleaning function based on the operation of the operation display device (operation panel) 70 will be described. The inside of the rice washing tank 5 can be washed while it is empty, and can be executed by operating the washing switch 69 described above.

上記の洗浄モードが選択されると、上給水手段、下給水手段、排水弁64、水位弁65、洗米モータ36、およびポンプ66へ図16に基づき各信号が出力される。洗浄モードは図例では工程t1〜t5の5段階に構成される。工程t1では、下給水手段で給水、水位弁65・排水弁64共閉じ、洗米モータ36駆動、およびポンプ66駆動の状態とし、気泡洗浄状態とする。従って、この工程t1では、排水を遮断し下給水手段で給水しながら気泡供給状態で攪拌することとなり、主としてジャケット部32内フィルタ33周辺の洗浄が行われる。   When the washing mode is selected, each signal is output to the upper water supply means, the lower water supply means, the drain valve 64, the water level valve 65, the rice washing motor 36, and the pump 66 based on FIG. In the illustrated example, the cleaning mode is configured in five stages of steps t1 to t5. In step t1, water is supplied by the lower water supply means, the water level valve 65 and the drain valve 64 are closed together, the rice washing motor 36 is driven, and the pump 66 is driven, and the bubble cleaning state is set. Therefore, in this step t1, the agitation is performed in the bubble supply state while the drainage is shut off and water is supplied by the lower water supply means, and mainly the cleaning around the filter 33 in the jacket portion 32 is performed.

工程t2は、工程t1の状態が継続して洗米タンク5が満水となってフロートセンサがオンする状態である。しばらく満水状態を継続して浮遊する塵埃類をオーバーフローによって排出できる。所定時間を継続の後、下給水手段をオフし、かつ水位弁65・排水弁64を開く工程t3に入る。この工程t3は、満水状態から各弁からの排水によって、一定水圧を確保した状態でポンプ66駆動を伴うから気泡が発生する状態で勢いよく排水するから、ジャケット部32内フィルタ33以降の排水管63a,63b、排水弁64・水位弁65、および排水箱60の排水経路の洗浄を行う。   Step t2 is a state in which the state of step t1 continues, the rice washing tank 5 becomes full, and the float sensor is turned on. Dusts that remain floating for a while can be discharged by overflow. After continuing the predetermined time, the process enters the step t3 of turning off the water supply means and opening the water level valve 65 and the drain valve 64. Since this step t3 drains vigorously in a state where bubbles are generated because the pump 66 is driven in a state in which a constant water pressure is secured by draining from each valve from a full water state, the drain pipes after the filter 33 in the jacket portion 32 63a, 63b, the drainage valve 64 / water level valve 65, and the drainage path of the drainage box 60 are cleaned.

続いて工程t4では洗米モータ36およびポンプ66駆動を伴いながら上給水手段で給水するもので、洗米タンク5の内側をすすぎ洗浄するものである。あらかじめ設定した所定時間のすすぎ洗浄の工程を終えると上給水手段をオフし、あらかじめ設定した時間遅れて洗米モータ36およびポンプ66を停止することで(工程t5)、洗浄モードは終了する。   Subsequently, in step t4, water is supplied by the upper water supply means while driving the rice washing motor 36 and the pump 66, and the inside of the rice washing tank 5 is rinsed and washed. When the rinsing process for a predetermined time set in advance is completed, the water supply means is turned off, and the rice washing motor 36 and the pump 66 are stopped with a predetermined time delay (step t5), thereby ending the cleaning mode.

上記のように、工程t1およびt3では、水流と共に気泡が発生して上記各部が洗浄できるが、下給水手段からの(t1)あるいは満水水位からの(t3)高い水圧を維持しながらポンプ66駆動を行わせることにより洗浄効果を助長するものである。   As described above, in steps t1 and t3, bubbles are generated along with the water flow, and the above-described parts can be washed. However, the pump 66 is driven while maintaining a high water pressure from the lower water supply means (t1) or from the full water level (t3). This facilitates the cleaning effect.

上記の洗浄モードは、標準的な洗米炊飯の設定状態から拡張モードに入り、拡張機能初期画面の選択、洗米タンク洗浄選択の順で指定することにより当該洗浄モードに入る構成としている。また、予約炊飯等の運転の予約を設定できるようにコントローラには時計機能及びカレンダ機能を備えているが、コントローラ(制御装置)により、当日最初の洗米工程が行われる前にのみ自動的に洗浄モードに入り、同じ日の2回目以降の洗米工程では洗浄モードに入らない構成となっている。これにより、その日の運転初期で洗米工程が行われる直前に効率良く洗浄できて水加減の安定や清掃効果が向上すると共に、過剰な洗浄による使用水量の増加を抑えることができる。なお、複数の日にわたる予約運転を設定したときにも、各日の最初の洗米工程が行われる前にのみ自動的に洗浄モードに入る構成となっている。なお、複数の日にわたる予約運転の設定期間において、実際に作業運転が実施されない空白日がある場合は、その空白日においても適宜の時刻で自動的に洗浄モードに入るようになっている。   The above washing mode is configured to enter the washing mode by entering the extended mode from the standard setting state of rice washing rice, and specifying in the order of selection of the extended function initial screen and washing rice tank washing selection. In addition, the controller has a clock function and calendar function so that reservations for driving such as reserved rice cooking can be set, but the controller (control device) automatically cleans only before the first rice washing process on the day. The mode is such that the washing mode is not entered in the second and subsequent rice washing steps on the same day. Thereby, it can wash | clean efficiently just before a rice washing process is performed at the operation | movement initial stage of the day, and while being able to improve the stability of water addition and the cleaning effect, the increase in the amount of water used by excessive washing | cleaning can be suppressed. In addition, even when the reservation operation over a plurality of days is set, the washing mode is automatically entered only before the first rice washing process of each day is performed. In addition, when there is a blank day in which the work operation is not actually performed in the setting period of the reserved operation over a plurality of days, the cleaning mode is automatically entered at an appropriate time even on the blank day.

図17に基づき上記水位弁65・排水弁64の構成について、ジャケット排水管63a,63bの排水側夫々に、バルブユニット92を構成している。該バルブユニット92は、ジャケット排水管63a,63bに嵌合する収容部92aと、この収容部92a内には支軸93周りに回動すべくバルブ体94をリンク機構95を介して正逆転モータ96に連携している。該モータ96の正転によってバルブ体94は開き、逆転によって閉じる構成である。ところで、バルブ体94は、ガスケット94aをジャケット排水管63a,63bの端面に押し当てて閉じたり、角度をもって離れて開く構成である。この開き姿勢のときにはジャケット排水管63a,63bは分解状態で洗浄ブラシ97の作用をもって内部洗浄が行われる。従って、ブラシ97先端がガスケット94aを強く押されるため台座部94bに接着されている該ガスケット94aは剥がれてしまうことがあった。このため、図17(2)(3)に示すように、台座部94bは、コ型に形成されてガスケット94aを抱きこむ状態に保持されるからその立ち上がりをもってブラシ97の押圧に耐える構成とするものである。   With respect to the configuration of the water level valve 65 and the drain valve 64 based on FIG. 17, a valve unit 92 is configured on each drain side of the jacket drain pipes 63a and 63b. The valve unit 92 includes a housing portion 92a that fits into the jacket drain pipes 63a and 63b, and a valve body 94 in the housing portion 92a through a link mechanism 95 so as to rotate around a support shaft 93. 96 is linked. The valve body 94 is opened by the normal rotation of the motor 96 and closed by the reverse rotation. By the way, the valve body 94 has a configuration in which the gasket 94a is pressed against the end faces of the jacket drain pipes 63a and 63b to be closed, or opened at an angle. In this open position, the jacket drain pipes 63a and 63b are disassembled and the internal cleaning is performed by the action of the cleaning brush 97. Accordingly, since the tip of the brush 97 is strongly pressed against the gasket 94a, the gasket 94a bonded to the pedestal portion 94b may be peeled off. For this reason, as shown in FIGS. 17 (2) and 17 (3), the pedestal portion 94b is formed in a U-shape and is held in a state of embracing the gasket 94a. Is.

次いで洗米タンク5の下方に構成する架台9へ容器6を載置する構成について説明する。架台9がガイドレール81に沿って前後に往復移動可能に設けてなる。すなわち、架台9の左右側は、支持部材1の下部フレーム1dの内側に構成したガイドレール81によって前後に引出しまたは収納自在に構成される。この架台9の前側には取っ手82を設けてなる。架台9に載せる容器6を検知して洗米投下指令信号を許可する容器検知手段83を架台9の奥側であって横桟1cの略中央部に構成している。取っ手82'は高さをバケツ6aの把手6dを受け得る構成で、架台9への載置状態でこの取っ手82'に把手6dを載せておくことにより、洗米を受けて取出す際に把手6dを容易に掴み上げることができて便利である。   Subsequently, the structure which mounts the container 6 on the mount frame 9 comprised under the rice washing tank 5 is demonstrated. The gantry 9 is provided so as to reciprocate back and forth along the guide rail 81. That is, the left and right sides of the gantry 9 are configured to be able to be drawn out or stored in the front and rear directions by the guide rails 81 that are configured inside the lower frame 1 d of the support member 1. A handle 82 is provided on the front side of the gantry 9. A container detecting means 83 for detecting the container 6 placed on the gantry 9 and permitting a rice washing drop command signal is configured at the back side of the gantry 9 and at the substantially central portion of the horizontal rail 1c. The handle 82 ′ is configured to receive the handle 6 d of the bucket 6 a at a height. By placing the handle 6 d on the handle 82 ′ in a state where the handle 6 ′ is placed on the mount 9, the handle 6 d can be removed when receiving the washed rice. It can be easily picked up and is convenient.

上記容器検知手段83は、左右の支柱1b、1bを連結する横桟1cの中央部において、スイッチ部材84と、このスイッチ部材84を囲うように上記横桟1cに取り付けられる筐体85と、該筐体85に横軸86を介して前後に揺動可能に設けたプレート部材87と、このプレート部材87に対して固定され湾曲延長部が載置台の前後中央側に延びたアクチュエータ88とから構成される。なおプレート部材87がスイッチ部材84の前方に接近位置するときはスイッチ部材84はオフし、後方側に回動して所定距離以上に離れるとオンに切りかわる構成としている。プレート部材87は常時はスイッチ部材84に接近位置してこれをオフすべくばね89で付勢されている。上記アクチュエータ88は弾性線材によって構成する。プレート部材87に対するアクチュエータ88の取付けは、弾性線材をU状に折り曲げ該折り曲げ端部を受け座90と共に固定する構成である。一方この弾性線材は、この取付け箇所からプレート部材87に平行に沿わせて下向きに垂下する部分88aを有し、該垂下部分88aから略直角に折り曲げて前方に向かう中間部分88bとやや下方に向けて折り曲げられ先端をT字状に形成した先端部分88cとからなるよう1本の弾性線材を屈曲形成している。なお、上記筐体85の延長部85aを横桟1cに装着している。この装着位置は適宜範囲で前後に位置調整可能に長孔と固定具等の組み合わせで構成される。従って、上記回動支点Pはバケツのように高さの高い容器6aの上端でジャケット部32に略沿う高さ位置に構成され、アクチュエータ88の先端はジャケット32の投影圏内にまで延長されている。   The container detection means 83 includes a switch member 84 and a casing 85 attached to the horizontal beam 1c so as to surround the switch member 84 at a central portion of the horizontal beam 1c connecting the left and right columns 1b and 1b. A plate member 87 is provided on the housing 85 so as to be swingable back and forth via a horizontal shaft 86, and an actuator 88 is fixed to the plate member 87 and has a curved extension extending toward the front and rear center side of the mounting table. Is done. Note that the switch member 84 is turned off when the plate member 87 is positioned in front of the switch member 84, and is turned on when the plate member 87 is rotated backward and separated by a predetermined distance or more. The plate member 87 is normally biased by a spring 89 so as to approach the switch member 84 and turn it off. The actuator 88 is made of an elastic wire. The actuator 88 is attached to the plate member 87 by bending the elastic wire into a U shape and fixing the bent end together with the seat 90. On the other hand, this elastic wire has a portion 88a that hangs downward along the plate member 87 from the attachment point, and is bent slightly downward from the suspending portion 88a and is directed slightly downward from the intermediate portion 88b that faces forward. One elastic wire is bent so as to be composed of a tip portion 88c that is bent and bent into a T-shape. Note that the extension 85a of the casing 85 is attached to the horizontal rail 1c. This mounting position is constituted by a combination of a long hole and a fixture so that the position can be adjusted back and forth within an appropriate range. Therefore, the rotation fulcrum P is formed at a height position substantially along the jacket portion 32 at the upper end of the container 6a having a high height like a bucket, and the tip end of the actuator 88 extends to the projection area of the jacket 32. .

従って、上記アクチュエータ88はその先端部分88cがバケツ等のように径がやや小さい容器6aから炊飯釜のように径が大きい容器6bに至るまで左右方向に多少の位置ずれがあっても適確に作用し得て、前後方向に正規の容器載置位置にあるときは、その後方側のアクチュエータ88を押してプレート部材87を支点P回りに回動させ、スイッチ部材84からプレート部材87を離してスイッチ部材87をオンに切り替えるものとなる。   Therefore, the actuator 88 can be accurately positioned even if there is a slight misalignment in the left-right direction from the container 6a having a small diameter such as a bucket to a container 6b having a large diameter such as a rice cooker. When it is in the normal container placement position in the front-rear direction, the actuator 88 on the rear side is pushed to rotate the plate member 87 around the fulcrum P, and the switch is separated from the switch member 84 to release the plate member 87. The member 87 is switched on.

引き出された架台9に容器6を乗せて押し込むと、アクチュエータ88が容器6の後面に接当して支点P周りに回動させ、スイッチ部材84をオン状態とする。そして操作パネル70の各操作に従って洗米条件や浸漬条件の設定を行ない、スタートスイッチ75をオンすると、運転開始される。即ち、図20に示すステップ1でスタートスイッチ75を押すと、ステップ2で貯米タンク4の米を計量ドラムで計量し、洗米タンク5に設定量の米を供給し、ステップ3で洗米する。   When the container 6 is put on the pulled-out base 9 and pushed in, the actuator 88 comes into contact with the rear surface of the container 6 and rotates around the fulcrum P, so that the switch member 84 is turned on. The rice washing conditions and the immersion conditions are set according to each operation of the operation panel 70, and the operation is started when the start switch 75 is turned on. That is, when the start switch 75 is pressed in step 1 shown in FIG. 20, the rice in the rice storage tank 4 is weighed with a measuring drum in step 2, a set amount of rice is supplied to the rice washing tank 5, and the rice is washed in step 3.

ステップ3の洗米工程は、水をたれ流しながら米を攪拌する糠抜き工程、一旦給水した後水切りし米を湿潤状態で攪拌する研米工程、所定水位で米を攪拌する荒ゆすぎ工程、水をタンクよりオーバーフローしながら攪拌する仕上げゆすぎ工程からなる。荒ゆすぎ工程及び仕上げゆすぎ工程は米を水中で撹拌する狭義の洗米工程を意味する。   The rice washing process in step 3 is a brewing process in which rice is stirred while dripping water, a polishing process in which water is drained once and drained and the rice is stirred in a wet state, a rough rinsing process in which rice is stirred at a predetermined water level, and water is stored in a tank. It consists of a final rinsing step that stirs while overflowing. The rough rinsing process and the finishing rinsing process mean a rice washing process in a narrow sense in which rice is stirred in water.

この洗米工程において洗米タンク5への給水の流量が不足して作業能率が低下するような場合、すなわち上側給水ルート又は下側給水ルートの流量センサの検出値が適正範囲内にない場合には、図26に示すように、操作パネル(操作表示装置)70の液晶表示画面77にて給水量(流量)不足の異常を出力して告知し、現在の給水量(流量)の状態を出力し、その処置方法を出力する。そして、液晶表示画面77の表示をメンテナンス用に切り替え、その流量表示スイッチ101に触れると液晶表示画面77に現在の給水量(流量)が表示される。作業者は、カバーである前側壁23aを開いて上側給水ルート又は下側給水ルートの給水栓を操作して表示されている給水量(流量)が適正値となるように調整する。このように、運転中でも液晶表示画面77に現在の給水量(流量)が表示され、給水量(流量)を調整することができるので、運転を中断せずに作業能率を維持することができる。従来は、運転を中断して給水量(流量)を調整する構成となっていたので、作業能率を低下させる要因となり、特に炊飯が行われているときには運転を中断できずに炊飯工程が終了するまで待たなくてはならず、効率良く運転させることができなかった。   In this rice washing process, when the flow rate of water supplied to the rice washing tank 5 is insufficient and the work efficiency is reduced, that is, when the detection value of the flow sensor of the upper water supply route or the lower water supply route is not within the appropriate range, As shown in FIG. 26, the liquid crystal display screen 77 of the operation panel (operation display device) 70 outputs and notifies the abnormality of the water supply amount (flow rate) shortage, and outputs the current water supply amount (flow rate) state. The treatment method is output. When the display on the liquid crystal display screen 77 is switched for maintenance and the flow rate display switch 101 is touched, the current water supply amount (flow rate) is displayed on the liquid crystal display screen 77. The operator opens the front side wall 23a, which is a cover, and operates the water taps of the upper water supply route or the lower water supply route so as to adjust the displayed water supply amount (flow rate) to an appropriate value. In this way, the current water supply amount (flow rate) is displayed on the liquid crystal display screen 77 even during operation, and the water supply amount (flow rate) can be adjusted, so that work efficiency can be maintained without interrupting operation. Conventionally, the operation is interrupted to adjust the amount of water supply (flow rate), which causes a reduction in work efficiency. In particular, when rice is being cooked, the operation cannot be interrupted and the rice cooking process ends. I had to wait until I was able to drive efficiently.

上記ステップ3の洗米工程の次は、ステップ4の水加減処理工程に進む。このステップ4では洗米タンク3内の米の量、米の質、気温、水温等に見合った水量をマイクロコンピュータが計算して、洗米タンク5に給水し、洗米タンク5の満水後に、水位弁65を算出された時間分「開」して水加減をする。   After the rice washing process in step 3 above, the process proceeds to a water addition / reduction process in step 4. In this step 4, the microcomputer calculates the amount of water commensurate with the amount of rice in the rice washing tank 3, the quality of the rice, the temperature, the water temperature, etc., and supplies the rice washing tank 5 with water. "Open" for the calculated time to add or subtract water.

ステップ6では、洗米タンク5内の洗米済の米とステップ4の水加減の計量された水が、投下弁39の開閉により容器6に投下される。この投下弁39の開信号出力は、ステップ4の水加減が終わり、容器検知手段83のスイッチ部材84がオンのとき(ステップ5)、立ち上がる構成である。   In step 6, the washed rice in the rice washing tank 5 and the measured water in step 4 are dropped into the container 6 by opening and closing the dropping valve 39. The opening signal output of the dropping valve 39 is configured to rise when the water adjustment in step 4 is completed and the switch member 84 of the container detection means 83 is on (step 5).

容器検出手段83による容器6の検出の作用については、径や高さの異なるバケツ6aや炊飯内釜6bを容器とする場合、バケツ6aに接触させる場合はアクチュエータ88の先端部分88cがジャケット部32の投影圏内に入る程度に下方に向けて延長形成されるため、径が小さくとも届き易い。一方径の大きい炊飯内釜6bにおいては、その上部に形成される鍔状張り出し部6cへの接触を、垂下部分88aから中間部分88bへの屈曲部で迂回回避しながら釜の後方に接触して退避動できる上、その際後端部となる垂下部分から中間部分への上記屈曲部88dが支柱1bの後端部Xから後方にはみ出さない形状に形成でき、後部において他物との不測の接触による破損の恐れもなく良好に検出動作を行うことができる。また、先端にT字部を構成して幅方向に多少の位置ずれが生じても良好に検出しうる。   Regarding the operation of detecting the container 6 by the container detecting means 83, when the bucket 6a or the rice cooker 6b having a different diameter or height is used as the container, the tip portion 88c of the actuator 88 is the jacket 32 when the container 6 is brought into contact with the bucket 6a. Since it extends downward to the extent that it falls within the projection range, it is easy to reach even if the diameter is small. On the other hand, in the rice cooking pot 6b having a large diameter, contact with the bowl-shaped overhanging portion 6c formed on the upper portion of the rice cooking pot 6b is avoided by bypassing the bent portion from the hanging portion 88a to the intermediate portion 88b. In addition to being able to retract, the bent portion 88d from the hanging portion that becomes the rear end portion to the intermediate portion can be formed in a shape that does not protrude rearward from the rear end portion X of the column 1b. The detection operation can be performed satisfactorily without fear of damage due to contact. Further, a T-shaped portion is formed at the tip, and even if a slight displacement occurs in the width direction, it can be detected well.

上記のように、容器検出手段83のアクチュエータ88は大きさの異なる容器6に対して良好にその後端に接触し得るものでありながら、スイッチ部材84はジャケット部32高さ程度にまで高い位置に配置できるため、先端部分88cの後退動が大きくとも支点P部付近での揺動角度は小さく、スイッチ部材84の作動は容器の大小に関わらず小さい範囲の作動で済むため作動不良が少ない。   As described above, the actuator 88 of the container detection means 83 can satisfactorily come into contact with the rear end of the containers 6 having different sizes, but the switch member 84 is at a position as high as the height of the jacket portion 32. Since it can be arranged, even if the backward movement of the tip end portion 88c is large, the swing angle near the fulcrum P portion is small, and the operation of the switch member 84 can be performed in a small range regardless of the size of the container.

なお、容器検出手段83により容器6が正常にセットされていると判断されるとき、操作パネル(操作表示装置)70に備える容器準備工程ランプ102を即座に点灯させる構成となっている。これにより、洗米工程等の投下工程前であっても、作業者が容器6を正常にセットできたことを直ちに確認でき、作業効率が向上する。従来は、容器6が正常にセットされている場合に、水加減工程が終了して米の投下が可能な状態で容器準備工程ランプ102をはじめて点灯させる構成であったため、作業者が引き出し式の架台9により容器6をセットしたときには容器6が正常にセットされているか否かが判らず、容器6が正常にセットされていない場合には水加減工程終了時に容器6が正常にセットされていないことを認識して再度容器6の位置調整を行わなければならず、作業効率を悪化させる要因となっていた。なお、容器準備工程ランプ102が点灯している状態で容器6への米の投下工程が行われ、投下工程が終了すると容器準備工程ランプ102が消灯し、炊飯終了後、次に炊飯するための別の容器6が正常にセットされたことを容器検出手段83が検出すると、再び容器準備工程ランプ102が点灯する構成となっている。   When the container detection unit 83 determines that the container 6 is normally set, the container preparation process lamp 102 provided in the operation panel (operation display device) 70 is immediately turned on. Thereby, even before the dropping process such as the rice washing process, it is possible to immediately confirm that the operator has successfully set the container 6 and the work efficiency is improved. Conventionally, when the container 6 is set normally, the container preparation process lamp 102 is turned on for the first time in a state in which the water addition / reduction process is completed and rice can be dropped, so that the operator can draw out the container. When the container 6 is set by the gantry 9, it is not known whether or not the container 6 is set normally. If the container 6 is not set normally, the container 6 is not set normally at the end of the hydration process. Recognizing this, the position of the container 6 has to be adjusted again, which is a factor that deteriorates the work efficiency. In addition, in the state where the container preparation process lamp 102 is lit, a rice dropping process to the container 6 is performed. When the dropping process is completed, the container preparation process lamp 102 is turned off. When the container detection means 83 detects that another container 6 has been set normally, the container preparation process lamp 102 is turned on again.

そして、前記の水加減処理工程(ステップ4)において水位弁65が「開」から「閉」に切り替わって水加減処理が完了すると同時に、コントローラからの出力により、洗米モータ36が駆動し始めて攪拌棒35を回転させると共に、ポンプ66が駆動し始めて空気噴出管67を介してジャケット部32内に空気を噴出する。従って、攪拌棒35の回転及びジャケット部32からの空気の噴出で水が洗米タンク5内で対流して米が攪拌され、更に水加減水中で気泡により米が拡散される。容器検出手段83による容器6の検出で投下弁39の開信号出力により投下工程が開始されると、洗米モータ36及びポンプ66が停止して攪拌棒35の回転及びジャケット部32からの空気の噴出が停止する。よって、攪拌棒35の回転及びジャケット部32からの空気の噴出は、投下弁39を開く直前になされ、また洗米タンク5内へ水加減処理による所定量の水が供給されてから投下弁39が開くまでの間になされる。洗米タンク5下部のジャケット部32から空気が噴出されるので、気泡が水中で上方へ向かって移動し、米を浮き上がらせることができると共に、米の投下口(排出口)となるジャケット部32に米がまとまって滞留することを適確に防止し得る。   In the water addition / reduction process (step 4), the water level valve 65 is switched from “open” to “closed” to complete the water addition / reduction process. At the same time, the rice washing motor 36 starts to be driven by the output from the controller, and the stirring rod 35 is rotated, and the pump 66 starts to be driven, and air is ejected into the jacket portion 32 through the air ejection pipe 67. Therefore, the water is convected in the washing tank 5 by the rotation of the stirring bar 35 and the jet of air from the jacket portion 32 to stir the rice, and the rice is further diffused by bubbles in the water. When the dropping process is started by the detection of the container 6 by the container detecting means 83 and the opening signal output of the dropping valve 39, the rice washing motor 36 and the pump 66 are stopped, the stirring rod 35 is rotated, and the air is ejected from the jacket portion 32. Stops. Therefore, the rotation of the stirring bar 35 and the ejection of air from the jacket portion 32 are performed immediately before the dropping valve 39 is opened, and after the predetermined amount of water is supplied into the washing tank 5 by the water addition / reduction process, the dropping valve 39 is turned on. It is made until it opens. Since air is ejected from the jacket part 32 at the bottom of the rice washing tank 5, the bubbles move upward in the water and can lift the rice, and the jacket part 32 that serves as a rice outlet (discharge port) It can prevent the rice from staying together.

なお、この攪拌棒35の回転及びジャケット部32からの空気の噴出は、水加減処理が終了してから所定時間後に開始されるようにしたり、タイマ等により投下開始直前の所定時間のみなされるようにしてもよい。これにより、不必要に米を攪拌するようなことを防止し、砕米や米の品質劣化を防止できる。また、攪拌棒35の回転及びジャケット部32からの空気の噴出の何れか一方が先に停止し、他方のみが投下開始直前までなされる構成としてもよい。   The rotation of the stirring bar 35 and the ejection of air from the jacket portion 32 may be started after a predetermined time after the water addition / reduction process is completed, or may be performed only for a predetermined time immediately before the start of dropping by a timer or the like. It may be. Thereby, it can prevent unnecessarily stirring rice, and can prevent crushed rice and quality deterioration of rice. Alternatively, either one of the rotation of the stirring rod 35 and the ejection of air from the jacket portion 32 may be stopped first, and only the other may be performed until immediately before the dropping starts.

また、攪拌棒35の回転及びジャケット部32からの空気の噴出を、上述では投下開始直前に行うことについて説明したが、投下弁39を開いての投下時にも行うようにしてもよい。つまり、投下弁39が閉じて投下工程が完了すると攪拌棒35の回転及びジャケット部32からの空気の噴出が停止するようにすれば、投下中にジャケット部32における米の投下口(排出口)に付着する米を吹き飛ばすことができ、ジャケット部32と投下弁39との間に米粒を挟み込むことで投下口(排出口)の密閉性が悪くなってジャケット部32で水漏れが発生するようなことを防止できる。なお、ジャケット部32からの空気の噴出を投下開始前のみ行うか投下工程中も行うかを切替可能な切替手段を設けてもよい。これにより、ジャケット部32への米の付着度合いに応じて、米が付着しやすいときには投下工程中も空気の噴出を行って米の付着を防止し、あまり米が付着しないときは投下工程中は空気の噴出を行わずに空気の噴出で米の流下を阻害して米の投下位置が不適正になって容器6a,6bから外れてしまうようなことを防止できる。なお、前記切替手段を洗米量(計量装置13により洗米タンク5へ供給される米の量)によってコントローラにより自動的に切り替える構成とし、洗米量が所定量(例えば2升)未満のときは、水加減水も少なく洗米タンク5内の米に対する水加減水の水面が低くなるので米が勢いよく流下しないおそれがあるが、投下工程中も空気を噴出するように自動的に切り替えてジャケット部32への米の付着を防止することができる。逆に、洗米量が所定量(例えば2升)以上のときは、水加減水も多く洗米タンク5内の米に対する水加減水の水面が高くなって米が勢いよく流下すると見込まれるので、投下工程中は空気を噴出しないように自動的に切り替えて米の投下を適正に且つ円滑に行うことができる。また、前記切替手段を水加減処理終了時から米投下開始時までの時間間隔によって自動的に切り替える構成とし、前記時間間隔が所定時間(例えば30分)以上のときは、洗米タンク5内で米粒が十分に吸水して膨張し洗米タンク5やジャケット部32へ付着しやすくなるので、投下工程中も空気を噴出するように自動的に切り替えて米の付着を防止することができる。逆に、前記時間間隔が所定時間(例えば30分)未満のときは、投下工程中は空気を噴出しないように自動的に切り替えて米の投下を適正に且つ円滑に行うことができる。なお、投下工程前に洗米タンク5内で米を水に所定時間浸漬する浸漬工程がコントローラにより自動的になされるときは、その浸漬時間により前記切替手段を自動的に切り替えるようにすればよい。なお、前記切替手段は、空気の噴出を投下開始前のみ行うか投下工程中も行うかを切り替える構成としたが、水加減処理後における投下開始前を含む空気の噴出自体を行うか否かを切り替える構成としてもよい。   In the above description, the rotation of the stirring bar 35 and the ejection of air from the jacket portion 32 have been described immediately before the start of dropping. However, the stirring rod 35 may also be dropped when the dropping valve 39 is opened. That is, if the dropping valve 39 is closed and the dropping process is completed, the rotation of the stirring rod 35 and the ejection of air from the jacket portion 32 are stopped, so that the rice dropping port (discharge port) in the jacket portion 32 during dropping is stopped. The rice adhering to the water can be blown away, and the rice grains are sandwiched between the jacket portion 32 and the drop valve 39, so that the sealing performance of the drop port (discharge port) is deteriorated and water leakage occurs in the jacket portion 32. Can be prevented. In addition, you may provide the switching means which can switch whether the ejection of the air from the jacket part 32 is performed only before a dropping start, or during a dropping process. Thereby, depending on the degree of adhesion of the rice to the jacket portion 32, when the rice is likely to adhere, the air is blown out even during the dropping process to prevent the adhesion of the rice. It is possible to prevent the rice from flowing out of the containers 6a and 6b due to an improper rice drop position due to the air blowing without hindering the flow of rice. The switching means is configured to be automatically switched by the controller according to the amount of rice washed (the amount of rice supplied to the rice washing tank 5 by the measuring device 13), and when the amount of washed rice is less than a predetermined amount (for example, 2 kg), The water level of the water in the washing tank 5 is low because the water level is low and the water level is low, so there is a risk that the rice will not flow down vigorously. Can prevent the adhesion of rice. On the other hand, when the amount of washed rice is more than a predetermined amount (for example, 2 kg), the amount of water added and reduced is so high that the water level of the water in the washed rice tank 5 is increased and the rice is expected to flow down. During the process, the rice can be dropped properly and smoothly by automatically switching so as not to blow out air. Further, the switching means is configured to automatically switch according to the time interval from the end of the water addition / decrease process to the start of rice dropping, and when the time interval is equal to or longer than a predetermined time (for example, 30 minutes), Can sufficiently absorb water and expand and easily adhere to the rice washing tank 5 and the jacket portion 32. Therefore, it is possible to prevent the adhesion of rice by automatically switching so that air is ejected even during the dropping process. Conversely, when the time interval is less than a predetermined time (for example, 30 minutes), the rice can be dropped properly and smoothly by automatically switching so as not to blow air during the dropping step. When the controller automatically performs a dipping process in which the rice is immersed in water for a predetermined time in the rice washing tank 5 before the dropping process, the switching means may be automatically switched depending on the dipping time. The switching means is configured to switch whether the air is blown only before starting the dropping or during the dropping process, but whether or not to perform the air blowing itself including before the dropping starts after the water addition / reduction process is determined. It is good also as a structure to switch.

なお、洗米タンク5内で浸漬工程を行う場合、洗米タンク5内の水分の不足を防止するために、コントローラにより上側の給水弁47を所定時間おきに開いて、洗米タンク5内へ上部給水口49から若干量の水を所定時間おきに供給する構成とすることができる。このとき、設定された浸漬時間が長いと、米粒が過度に膨張して洗米タンク5やジャケット部32へ付着しやすくなる。また、設定された水加減水量が少なかったり洗米量が少ないと、洗米タンク5内の米に対する水加減水量が少なくなるので、投下工程で米が投下されずに洗米タンク5内に残留しやすくなる。そこで、浸漬時間が所定時間(例えば46分)以上で設定された水加減水量が少なくて且つ洗米量が所定量(例えば2升)未満のときは、浸漬工程中における上部給水口49から洗米タンク5内への水供給を行わず、米粒の膨張を抑えて米の投下の適正化及び円滑化を図る構成とすればよい。   In addition, when performing the dipping process in the rice washing tank 5, in order to prevent shortage of moisture in the rice washing tank 5, the upper water supply valve 47 is opened every predetermined time by the controller, and the upper water supply port is inserted into the rice washing tank 5. It is possible to supply a slight amount of water from 49 every predetermined time. At this time, if the set immersion time is long, the rice grains are excessively expanded and are likely to adhere to the rice washing tank 5 and the jacket portion 32. Further, if the set amount of water to be added / decreased is small or the amount of washed rice is small, the amount of water to be added / decreased to the rice in the rice washing tank 5 is reduced, so that the rice is likely to remain in the washing rice tank 5 without being dropped in the dropping process. . Therefore, when the amount of water added and reduced is less than a predetermined amount (for example, 2 mm) when the immersion time is set to a predetermined time (for example, 46 minutes) or more and the amount of washed rice is less than the predetermined amount (for example, 2 mm), The water supply to 5 may not be performed, but the expansion of the rice grains may be suppressed to optimize and smooth the dropping of the rice.

投下開始から終了までは図21のタイムチャートのように、投下信号出力に伴い、上下の給水を停止し、水位弁65・排水弁64を閉じた状態で洗米モータ36を駆動する。所定短時間経過後、投下弁駆動モータ40を駆動すると投下弁39が開き投下が開始される。その後洗米モータ36をオフしてしばらくの間で出力信号により投下弁39を閉じると投下が完了する。引き続き、洗浄工程に入るが、先ず上給水状態として水を溜め、所定時間経過で水位弁65・排水弁64を開くと同時に下給水を開始して洗浄終了となす。   From the start to the end of dropping, as shown in the time chart of FIG. 21, in accordance with the dropping signal output, the upper and lower water supply is stopped, and the rice washing motor 36 is driven with the water level valve 65 and the drain valve 64 closed. When the drop valve drive motor 40 is driven after a lapse of a predetermined short time, the drop valve 39 is opened and dropping is started. Thereafter, the rice washing motor 36 is turned off and the dropping valve 39 is closed by an output signal for a while. Subsequently, the cleaning process is started. First, water is stored in an upper water supply state, and when a predetermined time elapses, the water level valve 65 and the drain valve 64 are opened, and at the same time, the lower water supply is started and the cleaning ends.

上記投下工程から洗浄工程を経て、当該洗米を完了するが、順次洗米を行う多量処理に関しては、投下完了をもって当該洗米完了とするモードを併せ備えると利便である。すなわち、適宜のモード切替手段によって、洗米完了を投下弁駆動モータ40による投下弁39の閉じ作動をもって洗米完了とするもので、以後の洗浄工程を省略する構成である。このように構成することによって、時間短縮の効果があり、徒に洗浄水として無駄にしないで済む。また上記のような洗米工程に入る前に、洗浄スイッチ69操作により洗浄工程を実行することによって、ジャケット部32や排出部の洗浄を行い得るものである。   The rice washing is completed through the washing process from the dropping process, but it is convenient to have a mode for completing the washing with the completion of the dropping for a large amount of processing in which the washing is performed sequentially. That is, the rice washing is completed by the closing operation of the dropping valve 39 by the dropping valve drive motor 40 by an appropriate mode switching means, and the subsequent washing process is omitted. By configuring in this way, there is an effect of shortening the time, and it is not necessary to waste as washing water. Further, before entering the rice washing process as described above, the jacket part 32 and the discharge part can be washed by executing the washing process by operating the washing switch 69.

ところで、自動炊飯モードに設定されていれば、投下工程が終了すると、容器(炊飯釜)6の下部に備えるガス台に自動着火され、容器(炊飯釜)6内で自動的に炊飯を開始する。このとき、何らかの異常で前記自動着火が行われないときは、操作パネル70においてヘルプスイッチ76を押しながら点火スイッチ103を3秒以上押す操作による強制点火手段により、運転状態に拘らずコントローラからガス台へ強制的に点火指令信号を発する構成となっている。この強制点火手段により点火操作が行われたときは、点火スイッチ103の下の点火ランプ104が点灯し、コントローラからガス台への点火指令信号が正常に出力されていることを確認できる。従って、強制点火手段によりガス台に着火されない場合に点火ランプ104が点灯していれば、少なくとも前記点火指令信号が正常でありガス台やコントローラからガス台への接続配線等に異常が生じていることが判り、修理等のメンテナンスが容易になる。また、容器(炊飯釜)6をセットしていなくても、強制点火手段により点火ランプ104が点灯することを確認して、コントローラからの点火指令信号が正常に出力されることを判断することができる。   By the way, if it is set to the automatic rice cooking mode, when the dropping process is finished, the gas stand provided in the lower part of the container (rice cooker) 6 is automatically ignited and rice cooking is automatically started in the container (rice cooker) 6. . At this time, when the automatic ignition is not performed due to some abnormality, the controller performs a forced ignition means by pressing the ignition switch 103 for 3 seconds or more while pressing the help switch 76 on the operation panel 70 from the controller regardless of the operating state. The ignition command signal is forcibly issued. When the ignition operation is performed by the forced ignition means, the ignition lamp 104 under the ignition switch 103 is turned on, and it can be confirmed that the ignition command signal from the controller to the gas stand is normally output. Therefore, if the ignition lamp 104 is lit when the gas stand is not ignited by the forced ignition means, at least the ignition command signal is normal, and there is an abnormality in the connection wiring from the gas stand or the controller to the gas stand. This makes it easier to perform maintenance such as repairs. Further, even if the container (rice cooker) 6 is not set, it can be confirmed that the ignition lamp 104 is lit by the forced ignition means and the ignition command signal from the controller is normally output. it can.

操作パネル70の液晶表示画面77には、洗米量、水加減、浸漬の各表示があり、このうち浸漬は、洗米タンク5内あるいは容器6内、もしくはその両方における浸漬時間を設定するもので、洗米中は設定時間を表示し、洗米完了時点からカウントダウンして浸漬残時間を表示できる構成としている。ところで従来は、所定浸漬時間の経過によって洗米完了の報知を行う構成としてオペレータは次工程に以降しうるものとなっている。ところがこの報知を逃してしまうと、浸漬過多の状態になるが、カウントダウン値は「0」表示で止まり、実際の浸漬時間を把握できない構成となっている。したがって、浸漬過多の米は所望の硬さを得られないなど炊き上がりに影響していた。そこで、図22におけるように、設定浸漬時間の経過後はその経過時間を表示する構成として、浸漬過多の状況を具体的にオペレータに知らせる構成とした。例えば前記液晶表示画面77に浸漬の項目を設け、ここに設定浸漬時間を表示する(図22(1))と共に、時間経過と共に減算して残時間を表示し、所定浸漬時間が経過後はその過剰時間を順次表示するように構成する。このように構成することにより、所望浸漬時間からの延長時間を具体的に把握でき、炊飯条件を再設定することで対応が可能である。なお、延長の時間について、実施例ではマイナス表示としたが、他の方法でもよい。   On the liquid crystal display screen 77 of the operation panel 70, there are respective indications of the amount of rice washing, water adjustment, and immersion, and the immersion is for setting the immersion time in the rice washing tank 5 or the container 6 or both. During the washing, the set time is displayed, and the remaining immersion time is displayed by counting down from the time when the washing is completed. By the way, conventionally, the operator can perform the subsequent process as a configuration in which notification of the completion of the washing of rice is made after the elapse of a predetermined immersion time. However, if this notification is missed, the state is excessively immersed, but the countdown value stops at “0” display, and the actual immersion time cannot be grasped. Therefore, excessively soaked rice has an effect on cooking, such as being unable to obtain the desired hardness. Therefore, as shown in FIG. 22, after the set immersion time has elapsed, the elapsed time is displayed, and the operator is specifically informed of the situation of excessive immersion. For example, an immersion item is provided on the liquid crystal display screen 77, the set immersion time is displayed here (FIG. 22 (1)), and the remaining time is displayed by subtracting with the passage of time. It is configured to display the excess time sequentially. By comprising in this way, the extended time from desired immersion time can be grasped | ascertained concretely, and it can respond by resetting rice cooking conditions. In addition, about the extension time, although the minus display was carried out in the Example, the other method may be sufficient.

次いで図23の洗米方法について説明する。洗米対象の米の形態としての通常の白米(以下、「白米」という)、所謂無洗米処理を施して流通する無洗米(以下、「無洗米」という)、および所定計量されてパック詰めされている米(以下、「パック米」という)
があり、これらに効率的に対応させようとする。スタートスイッチ操作後(ステップ101)、上記使用する米の形態によって、モードを選択する(ステップ102)。白米モードでは通常の洗米が実行される。すなわち、洗米量設定、水加減設定、浸漬時間設定、洗い方設定すると(ステップ103〜106)、装置は計量工程に入る(ステップ107)。次いで無洗米でないときは(ステップ108)、以下洗米工程、水加減工程を経て(ステップ109〜110)、洗米タンク5内の処理が完了し、容器有無検知手段83による容器有りの判定を条件に当該容器6に洗米と水加減水とが投下される(ステップ111,112)。容器内での浸漬が必要のときはこれを行い(ステップ113)、その後洗米終了のブザー報知がなされ(ステップ114)、一連の工程が終了する。
Next, the rice washing method of FIG. 23 will be described. Ordinary white rice (hereinafter referred to as “white rice”) as a form of rice to be washed, non-washed rice circulated after so-called no-wash rice treatment (hereinafter referred to as “no-wash rice”), and packed in a predetermined amount Rice (hereinafter referred to as “packed rice”)
There is, and it tries to cope with these efficiently. After the start switch is operated (step 101), the mode is selected according to the form of rice used (step 102). Normal rice washing is performed in the white rice mode. That is, when the washing amount setting, water adjustment setting, dipping time setting, and washing method setting are set (steps 103 to 106), the apparatus enters the weighing process (step 107). Next, when the rice is not washed (step 108), the rice washing process and the water adding / decreasing process are performed (steps 109 to 110), and the processing in the rice washing tank 5 is completed. Washed rice and hydrated water are dropped into the container 6 (steps 111 and 112). When soaking in the container is necessary, this is performed (step 113), and then a buzzer notification of the end of the washing is made (step 114), and the series of steps is completed.

上記ステップ102で無洗米モードが選択されると、洗米量、水加減、浸漬時間が各設定され(ステップ115〜117)、以下予め計量済の無洗米パック米であるか否かを判定し(例えばスイッチ手動入力でよい。ステップ118)、無洗米パックでないときは、前記ステップ107に移行して、計量し水加減して容器に投下される。なお、ステップ118でパック米であるときは既に計量済としてステップ110の水加減工程に入ることができる。予め計量済の場合は計量工程が省略でき、かつ予め無洗米処理を施されているから洗米工程が省略される。従って、無洗米モードでは一連の工程に要する時間が短縮されるので、短いサイクルで連続的に炊飯することができる。なお、予約運転設定をする場合に、無洗米モードにおいて炊き上がり時刻を設定すれば運転に要する時間が短い分を考慮してコントローラにより運転開始時刻を演算し、自動的に運転を開始するため、炊き上がり時刻が正確になる。   When the washing-free rice mode is selected in the above step 102, the washing amount, water adjustment and soaking time are set (steps 115 to 117), and it is determined whether or not the washing-free rice packed rice is measured in advance ( For example, the switch may be manually input Step 118) If the rice pack is not washed, the process proceeds to Step 107, where it is weighed, added and subtracted, and dropped into a container. In addition, when it is packed rice in step 118, it can already enter into the water addition / subtraction process of step 110 as having been measured. In the case of having been weighed in advance, the measuring step can be omitted, and the rice washing process is omitted because the washing-free rice treatment has been performed in advance. Therefore, since the time required for a series of steps is shortened in the no-wash rice mode, rice can be cooked continuously in a short cycle. In addition, when setting the reserved operation, if you set the cooking time in the no-wash rice mode, the operation start time is calculated by the controller in consideration of the short time required for operation, and the operation starts automatically, The cooking time is accurate.

前記ステップ2でパック米モードが選択されると、洗米量、水加減、浸漬時間が各設定され(ステップ119〜122)、以下前記ステップ109の洗米工程移行を順次実行するもので、計量工程の省略がなされる。   When the packed rice mode is selected in step 2, the rice washing amount, water adjustment, and soaking time are set (steps 119 to 122), and the transition to the rice washing process in step 109 is sequentially executed. Omitted.

以上のように各種の作業前設定手段による設定の後、扱う米の形態によって、通常の白米モードにおける計量工程(ステップ107)及び/または洗米工程(ステップ109)を省略して各部運転を行わせる構成であるから、扱う米形態が白米、無洗米、またはパック米と夫々異なっても、扱う米のモードを選択できる手段とこれに基づき作動する装置各部の構成とすることにより、扱う米形態に関わらず下方に待機する容器内に、所定の水加減と浸漬時間を実施した米を供給することができる。   As described above, after setting by the various pre-operation setting means, depending on the form of rice to be handled, the weighing process (step 107) and / or the rice washing process (step 109) in the normal white rice mode is omitted, and each part is operated. Because it is a configuration, even if the type of rice handled is different from white rice, non-washed rice, or packed rice, it is possible to select the mode of rice to be handled and the configuration of each part of the device that operates based on this means, so that the rice shape to handle Regardless, it is possible to supply rice that has been subjected to a predetermined amount of water and soaking time in a container waiting downward.

なお、図24は前記パック米を扱う場合の改良構造を示すもので、貯米タンクを2区分に形成して一方の第1貯米タンク4Aは計量ドラム13等からなる計量手段へ供給可能に構成され、他方の第2貯米タンク4Bは直接洗米タンク5に連通する構成である。従って、この第2貯米タンク4Bには計量の必要がない形態のパック米(パック入り無洗米を含む)を供給することとなる。従って多機能を備える洗米装置の貯米タンクとして有効である。   FIG. 24 shows an improved structure for handling the packed rice. The storage rice tank is formed in two sections, and the first storage rice tank 4A can be supplied to the measuring means including the measuring drum 13 and the like. The other second rice storage tank 4 </ b> B is configured to communicate directly with the rice washing tank 5. Therefore, packed rice (including unwashed rice with a pack) in a form that does not require weighing is supplied to the second rice storage tank 4B. Therefore, it is effective as a rice storage tank of a rice washing apparatus having multiple functions.

図25のフローチャートは、無洗米の工程管理に関する。なお扱う無洗米は予め無洗米処理を施されるがバラ状態で持ち込まれる形態である。スタートスイッチ操作後ステップ202で洗米条件を設定の後、扱う米形態として無洗米が選択されると、先ず水加減工程が先に行われ(ステップ204)、その後計量工程(ステップ205)に入る。その後待機する容器6内に投下処理される。流通する無洗米は様々で個々の外観形状も相違し、特に満杯状態から排水水位をもって所定の水加減を行う形態では水抜けに差が生じて正確な水加減が不可能である。また、計量後の水加減では無洗米が水分を含み外観形状を変化させてしまうこととなり、ひいては上記のように正確な水加減が行えない。そこで、前記のように無洗米のときは、計量工程を先に行うことによって正確な水加減量を確保できる効果がある。   The flowchart of FIG. 25 relates to process management of non-washed rice. In addition, the washing-free rice to handle is a form brought into the rose state although a washing-free rice process is performed beforehand. After the start switch operation, after setting the washing condition in step 202, when washing-free rice is selected as the type of rice to be handled, the water adding / decreasing process is first performed (step 204), and then the weighing process (step 205) is entered. Thereafter, a drop process is performed in the waiting container 6. Washed rice circulates in various ways and has different appearances. In particular, in a form in which a predetermined level of water is drained and drained from a full state, water drainage is different and accurate water leveling is impossible. In addition, in the water adjustment after weighing, the non-washed rice contains moisture and changes the external shape, and as a result, the water cannot be accurately adjusted as described above. Therefore, when washing rice is not washed as described above, there is an effect that an accurate amount of water can be secured by performing the weighing step first.

本発明の実施の形態を示す洗米装置の正面図。The front view of the rice washing apparatus which shows embodiment of this invention. 洗米装置の側面図。The side view of a rice-washing apparatus. 貯米タンクと洗米タンクの正断面図。Front sectional view of a rice storage tank and a rice washing tank. 貯米タンクと洗米タンクの正面図。The front view of a rice storage tank and a rice washing tank. 貯米タンクを外した状態の斜視図。The perspective view of the state which removed the rice storage tank. 一部断面した貯米タンクと洗米タンクの正面図。The front view of the rice storage tank and rice washing tank which carried out the cross section partially. 貯米タンクを外した状態の平面図。The top view of the state which removed the storage tank. 計量部の側面断面図。Side surface sectional drawing of a measurement part. 計量部の正断面図。The front sectional view of a measurement part. 投下弁の改良を示す断面図(1)と底面図(2)Sectional view (1) and bottom view (2) showing improvement of drop valve 投下弁の改良を示す断面図(1)と底面図(2)Sectional view (1) and bottom view (2) showing improvement of drop valve 点検蓋の構成を示す断面図(1)(2)Sectional drawing (1) (2) which shows composition of an inspection lid 作用状態を示す側面図(a)、作用状態を示す平面図(b)。The side view (a) which shows an action state, and the top view (b) which shows an action state. タイムチャート図。Time chart diagram. 操作パネルの正面図。The front view of an operation panel. タイムチャート図。Time chart diagram. 水位弁、排水弁の側断面図(1)、その一部側面図(2)、背面図(3)。Side sectional view (1), partial side view (2), and rear view (3) of the water level valve and drain valve. 容器検出手段及びその周辺構成を示す側面図。The side view which shows a container detection means and its periphery structure. 容器検出手段の作用説明図(1)(2)。Action | operation explanatory drawing (1) (2) of a container detection means. フローチャート図。FIG. タイムチャート図。Time chart diagram. 液晶表示画面の一例を示す正面図。The front view which shows an example of a liquid crystal display screen. タイムチャート図。Time chart diagram. 計量ホッパを改良した洗米装置の平面図(1)、その側面図(2)。The top view (1) of the rice washing apparatus which improved the measurement hopper, and the side view (2). フローチャート図。FIG. 給水量不足による異常時の液晶表示画面の一例を示す図。The figure which shows an example of the liquid crystal display screen at the time of abnormality by insufficient water supply.

5…洗米タンク、6…容器、39…投下弁、66…ポンプ、67…空気噴出管 DESCRIPTION OF SYMBOLS 5 ... Rice washing tank, 6 ... Container, 39 ... Drop valve, 66 ... Pump, 67 ... Air ejection pipe

Claims (1)

洗米タンク(5)内で米の供給を受けて洗米し、洗米された米を洗米タンク(5)の下部に設けた投下弁(39)を開いて下方に待機する容器(6)に投下する構成の洗米装置において、洗米タンク(5)内に水を供給する水供給手段を設け、投下弁(39)を開いて前記水供給手段により供給された水と共に洗米された米を投下する構成とし、前記水供給手段による洗米タンク(5)内へ所定量の水が供給されてから投下弁(39)が開くまでの間に洗米タンク(5)内へ空気を噴出する空気噴出手段を設けた洗米装置。 In the rice washing tank (5), the rice is supplied and washed, and the washed rice is dropped into a container (6) waiting downward by opening a dropping valve (39) provided at the bottom of the rice washing tank (5). In the rice washing apparatus having the configuration, water supply means for supplying water into the rice washing tank (5) is provided, and the dropping valve (39) is opened to drop the washed rice together with the water supplied by the water supply means. And an air jetting means for jetting air into the rice washing tank (5) from when a predetermined amount of water is supplied into the rice washing tank (5) by the water supply means until the dropping valve (39) opens. Rice washing equipment.
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JP5682337B2 (en) * 2011-01-31 2015-03-11 井関農機株式会社 Water leak prevention device for inspection window of rice washing tank
JP2012240016A (en) * 2011-05-23 2012-12-10 Iseki & Co Ltd Rice washer for cooking rice
JP6601043B2 (en) * 2015-07-30 2019-11-06 井関農機株式会社 Operation control system of automatic rice cooker

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JP2000237038A (en) * 1999-02-22 2000-09-05 Iseki & Co Ltd Automatic rice cooker
JP2003159012A (en) * 2001-11-22 2003-06-03 Gekkeikan Sake Co Ltd Batch continuous soaking apparatus
JP2003225577A (en) * 2002-01-31 2003-08-12 Iseki & Co Ltd Rice washing treatment device for rice washing and cooking machine, or the like

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