JP2553109B2 - Method of controlling pressure plate of one-time rice milling machine - Google Patents
Method of controlling pressure plate of one-time rice milling machineInfo
- Publication number
- JP2553109B2 JP2553109B2 JP62280529A JP28052987A JP2553109B2 JP 2553109 B2 JP2553109 B2 JP 2553109B2 JP 62280529 A JP62280529 A JP 62280529A JP 28052987 A JP28052987 A JP 28052987A JP 2553109 B2 JP2553109 B2 JP 2553109B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure plate
- main motor
- electromagnetic
- polishing
- milling machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Adjustment And Processing Of Grains (AREA)
Description
【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) この発明は、ホッパーから供給された玄米が搗精室を
通過して排出口から出るまでの間に精米が完了する一回
通し精米機の加圧板制御方法に関する。Detailed Description of the Invention [Object of the Invention] (Industrial field of application) This invention is a one-time rice polishing that is completed before the brown rice supplied from the hopper passes through the polishing chamber and exits from the discharge port. The present invention relates to a pressure plate control method for a rice milling machine.
(従来の技術) 従来、一回通し精米機は、米粒の精白度を調整するに
際して、精白米排出口に設けられた加圧板の押圧力を調
節して所望の精白度にしていた。ここで、この加圧板
は、ソレノイド等の電磁付勢装置により、電流値を制御
してその押圧力を設定しているものである。(Prior Art) Conventionally, when adjusting the whitening degree of a rice grain, a single-pass milling machine has adjusted the pressing force of a pressure plate provided at the whitened rice discharge port to a desired whitening degree. Here, the pressure plate has its current value controlled by an electromagnetic urging device such as a solenoid to set its pressing force.
また、循環式精米機においては、特開昭61−129045号
公報に示されるように、米粒の循環経路途中に抵抗体を
設け、所望の搗精圧を得ていた。Further, in the circulation type rice milling machine, as shown in Japanese Patent Laid-Open No. 61-129045, a resistor was provided in the middle of the circulation route of rice grains to obtain a desired polishing pressure.
(発明が解決しようとする問題点) 上記従来技術の一回通し精米機の場合、精米途中で精
米機を停止させた場合、その後の再起動において、加圧
板により加圧したままメインモータを駆動しようとする
と、搗精室内に米粒が加圧された状態で詰まっており円
滑に再起動できないという問題点があった。さらに、こ
れを解決するため、メインモータを大きくしたり、別の
始動装置を設けたりしていたが、装置が大型化し、コス
トが高くなるという欠点があった。(Problems to be Solved by the Invention) In the case of the above-described conventional single-pass rice milling machine, when the rice milling machine is stopped in the middle of rice polishing, the main motor is driven while being pressurized by the pressure plate during the subsequent restart. However, there was a problem in that the rice grains were clogged in a pressured state in the spar chamber and could not be restarted smoothly. Furthermore, in order to solve this, the main motor was enlarged or a separate starting device was provided, but there was a drawback that the device became large and the cost was high.
また、上記従来技術の循環式精米機の場合、搗精途中
でメインモータを停止させた場合、その後の再起動に際
しては、始動スイッチを入れると抵抗体が後退し、抵抗
が小さくなった後にメインモータが回転し始めるように
しているため、装置が複雑になりコスト高になるという
欠点があり、しかも、始動スイッチの操作からメインモ
ータの回転までにタイムラグが生じ好ましいものではな
かった。Further, in the case of the above-mentioned conventional circulation type rice milling machine, when the main motor is stopped in the middle of polishing, and when restarting after that, when the start switch is turned on, the resistor retracts, and the main motor becomes smaller after the resistance decreases. However, there is a drawback that the device becomes complicated and the cost becomes high, and there is a time lag from the operation of the start switch to the rotation of the main motor, which is not preferable.
この発明は上記従来の技術の問題てに鑑みて成された
もので、簡単な構成で容易にメインモータの再起動がで
きるようにした一回通し精米機の加圧板制御方法を提供
することを目的とする。The present invention has been made in view of the above-mentioned problems of the conventional technology, and provides a method for controlling a pressure plate of a single-pass rice milling machine which has a simple structure and can easily restart a main motor. To aim.
(問題点を解決するための手段) この発明は、搗精途中でメインモータを一時停止させ
ると、これに連動して加圧板の押圧力を弱くして後の再
起動後に再びもとの押圧力に戻すか、又は再起動時に一
旦加圧板の押圧力を弱くしてメインモータの立ち止り後
にもとの押圧力を戻して搗精を行なう一回通し精米機の
加圧板制御方法である。(Means for Solving Problems) The present invention is such that, when the main motor is temporarily stopped during the training, the pressing force of the pressure plate is weakened in conjunction with this and the original pressing force is re-established after the subsequent restart. It is a method of controlling the pressure plate of the one-time rice polishing machine in which the pressure force of the pressure plate is once weakened at the time of restart and the main motor is stopped and then the original pressure force is returned to perform polishing.
(作用) この発明の一回通し精米機の加圧板制御方法は、搗精
途中でメインモータを一時停止した場合の再起動におい
て、メインモータの負荷が小さくなるようにし、立ち上
がりが迅速且つスムーズになるようにしたものである。(Operation) The pressure plate control method for the single-pass rice milling machine according to the present invention makes the load on the main motor small and restarts quickly and smoothly when the main motor is restarted when the main motor is temporarily stopped during the polishing process. It was done like this.
(実 施 例) 以下この発明の実施例について図面に基づいて説明す
る。(Examples) Examples of the present invention will be described below with reference to the drawings.
この実施例の一回通し精米機は第2図に示すように、
搗精室1内に搗精ロール2が収容され、この搗精室1の
基端部に玄米の入口部3が形成され、この入口部3に図
示しないホッパーが装着される。さらに、搗精室1の先
端部には除糠網4が取り付けられ、この除糠網4の先端
の精白米排出口5には、この開口部を塞ぐように加圧板
6が位置し、加圧板6は、レバー7を介してソレノイド
等の電磁付勢装置8と接続している。As shown in FIG. 2, the one-time rice milling machine of this embodiment is as follows.
A polishing roll 2 is housed in the polishing chamber 1, an inlet 3 of brown rice is formed at the base end of the polishing chamber 1, and a hopper (not shown) is attached to the inlet 3. Further, a bran removal mesh 4 is attached to the tip of the bran sperm chamber 1, and a pressurizing plate 6 is located at the tip of the polished rice discharge port 5 at the tip of the bran seizure 4 to close the opening. 6 is connected to an electromagnetic urging device 8 such as a solenoid via a lever 7.
また、搗精ロール2は、回転軸9と同軸に設けられた
プーリ10、ベルト11及びプーリ12を介してメインモータ
13に接続している。In addition, the Hosei roll 2 is provided with a main motor via a pulley 10, a belt 11 and a pulley 12 provided coaxially with the rotating shaft 9.
Connected to 13.
この実施例の一回通し精米機の制御装置は、第3図に
示すように、メインモータ13が、メインモータ駆動リレ
ー14及び電源スイッチ15を介して電源と接続され、メイ
ンモータ駆動リレー14にマイクロコンピュータ16の出力
が入力している。マイクロコンピュータ16は、インプッ
トポート17、アウトプットポート18、CPU19、ROM20、RA
M21を有し、インプットポート17には、加圧板6の付勢
力を設定するための操作釦等の付勢力設定手段及び、メ
インモータ13のスタートと一時停止を行なうスタート・
一時停止スイッチ23の出力が入力している。またアウト
プットポート18は、メインモータ駆動リレー14及び電磁
付勢装置駆動回路24に接続している。As shown in FIG. 3, in the controller of the single-pass rice milling machine of this embodiment, the main motor 13 is connected to the power source through the main motor drive relay 14 and the power switch 15, and the main motor drive relay 14 is connected to the main motor drive relay 14. The output of the microcomputer 16 is input. The microcomputer 16 includes an input port 17, an output port 18, a CPU 19, a ROM 20 and an RA.
The input port 17 has an M21, and biasing force setting means such as operation buttons for setting the biasing force of the pressure plate 6 and a start / stop for starting and temporarily stopping the main motor 13 are provided.
The output of the pause switch 23 is input. Further, the output port 18 is connected to the main motor drive relay 14 and the electromagnetic bias device drive circuit 24.
さらに、電源回路25が交流電源に接続し、メインモー
タ駆動リレー14、マイクロコンピュータ16、電磁付勢装
置駆動回路24に各々給電している。Further, the power supply circuit 25 is connected to an AC power supply, and supplies power to the main motor drive relay 14, the microcomputer 16, and the electromagnetic bias device drive circuit 24, respectively.
この実施例の一回通し精米機の動作及び加圧板6の制
御方法は第1図のフローチャートに示すように、電源ス
イッチ15をONすると、通常の付勢力より小さいあらかじ
め設定された付勢力pを加圧板6に与える信号がマイク
ロコンピュータ16から出力され、電磁付勢装置駆動回路
24によって所定の付勢力pを与える駆動電流が電磁付勢
装置8に供給される。これによって、加圧板6は精白米
排出口5をpの力で押圧する。そして、所望の精白度を
得るために必要な付勢力Pnを付勢力設定手段22から入力
し、スタートスイッチ23を押すとメインモータ13が回転
し始める。ここで付勢力Pnは、各精白度の段階にn(自
然数)が対応し、nが大きい程付勢力も大きい。また、
付勢力pとPnとの関係は、p<Pnであり、nの最大値が
10(白米)であるとすると、pが相当するnpの範囲は0
≦np≦7である。As shown in the flow chart of FIG. 1, the operation of the single pass rice milling machine and the control method of the pressure plate 6 in this embodiment is such that when the power switch 15 is turned on, a preset urging force p smaller than the normal urging force is applied. The signal applied to the pressure plate 6 is output from the microcomputer 16, and the electromagnetic urging device drive circuit
A driving current that gives a predetermined biasing force p by 24 is supplied to the electromagnetic biasing device 8. As a result, the pressure plate 6 presses the polished rice discharge port 5 with a force of p. Then, the urging force Pn required to obtain the desired degree of whiteness is input from the urging force setting means 22, and the start switch 23 is pressed, so that the main motor 13 starts to rotate. Here, the biasing force Pn corresponds to n (natural number) at each stage of the degree of whitening, and the larger n is, the larger the biasing force is. Also,
The relationship between the biasing force p and Pn is p <Pn, and the maximum value of n is
If it is 10 (white rice), the range of n p corresponding to p is 0.
≦ n p ≦ 7.
そして、メインモータ13がONするとCPU19は搗精ロー
ル2の回転の立ち上がり時間を考慮した所定の時間tの
カウントを開始し、t時間経過すると付勢力Pnを与える
出力を電磁付勢装置駆動回路24に出力し、加圧板6の付
勢力をPnになるようにする。ここで、付勢力pと時間t
との関係は、ほぼp∝tとなるように値が設定される。
これは、付勢力pが小さければ搗精ロール2も回転しや
すく立ち上がりが早いからである。これによって通常の
精米作業が行なわれるが、さらに、付勢力Pnに変更があ
る場合、その変更量αをPnに加減して出力し精米を続け
る。When the main motor 13 is turned on, the CPU 19 starts counting a predetermined time t in consideration of the rising time of the rotation of the Hakusei roll 2, and when t time elapses, an output for applying the urging force Pn to the electromagnetic urging device drive circuit 24. The output is made so that the urging force of the pressure plate 6 becomes Pn. Here, biasing force p and time t
The value is set so that the relationship between and is approximately p∝t.
This is because if the biasing force p is small, the Seisei roll 2 also easily rotates and rises quickly. As a result, normal rice polishing work is performed, and when the biasing force Pn is further changed, the amount of change α is adjusted to Pn and output, and rice polishing is continued.
また、精米途中で何らかの理由により一時停止した場
合、一時停止スイッチ27をONすると付勢力は再びpにな
るよう制御される。そして、後に付勢力Pnを設定しスタ
ートスイッチ27がONされ、さらにt時間経過するまで加
圧板6は付勢力pを保った状態で維持される。あとは上
記と同様に制御され、電源スイッチ15をOFFするまで精
米が続けられる。Further, when the rice is temporarily stopped during rice polishing for some reason, when the temporary stop switch 27 is turned on, the biasing force is controlled to be p again. Then, the urging force Pn is set later, the start switch 27 is turned on, and the pressing plate 6 is maintained in the state of maintaining the urging force p until the time t has elapsed. After that, the same control as above is performed, and the rice polishing is continued until the power switch 15 is turned off.
この実施例によれば、精米途中でメインモータ13を切
っても、これに連動して加圧板6の付勢力がPnからpに
弱められるので、後の再起動を容易に行なうことができ
る。しかも、一時停止に連動して加圧板6の付勢力を弱
くしているので、再起動時にはメインモータ13の立ち上
がりの瞬間から弱い付勢力であり非常に立ち上がりやす
く、メインモータ13のスタートスイッチ27のONからメイ
ンモータ13の駆動開始までに遅延をかける必要もない。According to this embodiment, even if the main motor 13 is turned off during rice polishing, the urging force of the pressure plate 6 is weakened from Pn to p in conjunction with this, so that later restarting can be easily performed. Moreover, since the urging force of the pressure plate 6 is weakened in conjunction with the temporary stop, it is a weak urging force from the moment the main motor 13 rises at the time of restart, and it is very easy to start up, and the start switch 27 of the main motor 13 There is no need to delay the time from ON to the start of driving the main motor 13.
次にこの発明の一回通し精米機の加圧板制御方法の第
2実施例について第4図をもとにして説明する。ここ
で、精米機の構造は第1実施例と同一であり説明を省略
する。Next, a second embodiment of the pressure plate control method for the single-pass rice milling machine of the present invention will be described with reference to FIG. Here, the structure of the rice polishing machine is the same as that of the first embodiment, and the description thereof is omitted.
この実施例では、付勢力Pnを設定し電源スイッチ15を
ONすると、マイクロコンピュータ16より電磁付勢装置24
に付勢力Pnを発生させるよう指令が出され、電磁付勢装
置8によって加圧板6は付勢力Pnで精白米排出口5を押
圧する。そして、スタートスイッチ23をONするとメイン
モータ13がONし、これに連動してマイクロコンピュータ
16から付勢力をpに弱くするよう指令が出され、電磁付
勢装置8によって加圧板6の付勢力がpに弱められる。
さらに、これと同時にCPU19は時間tのカウントを開始
し、t時間経過後に再び加圧板6の付勢力をPnに戻す。
この実施例の付勢力Pn、p、時間tの関係は第1実施例
と同様である。そして、第1実施例と同様に付勢力の変
更がある場合はこれを行ない、一時停止スイッチ23がON
すると付勢力Pnに固定されて停止する。そして、再びス
タートスイッチ23がONするまで加圧板6は付勢力Pnを維
持し続け、上記と同様の制御がなされ、電源スイッチ15
をOFFするまで精米作業が続けられる。In this embodiment, the urging force Pn is set and the power switch 15 is turned on.
When turned on, the electromagnetic urging device 24
A command is issued to generate an urging force Pn, and the pressing plate 6 presses the polished rice discharge port 5 with the urging force Pn by the electromagnetic urging device 8. Then, when the start switch 23 is turned on, the main motor 13 is turned on, and in conjunction with this, the microcomputer
A command is issued from 16 to weaken the biasing force to p, and the electromagnetic biasing device 8 weakens the biasing force of the pressure plate 6 to p.
Further, at the same time, the CPU 19 starts counting the time t, and returns the biasing force of the pressure plate 6 to Pn again after the time t has elapsed.
The relationship between the biasing forces Pn and p and the time t in this embodiment is the same as that in the first embodiment. Then, as in the first embodiment, if there is a change in the urging force, this is performed and the pause switch 23 is turned on.
Then, it is fixed to the biasing force Pn and stops. Then, the pressing plate 6 continues to maintain the biasing force Pn until the start switch 23 is turned on again, the same control as described above is performed, and the power switch 15
Rice polishing work continues until is turned off.
この実施例によれば、一時停止中も付勢力Pnで加圧板
6が精白米排出口5を押圧しているので、停止中に精白
米排出口5から米粒がこぼれることがない。According to this embodiment, the pressing plate 6 presses the polished rice discharge port 5 with the biasing force Pn even during the temporary stop, so that the rice grains do not spill from the polished rice discharge port 5 during the stop.
尚、この発明の一回通し精米機の加圧板制御方法は、
マイクロコンピュータを用いたものの他、専用のロジッ
ク回路を組んだものでも良い。In addition, the pressure plate control method of the one-time rice milling machine of the present invention,
In addition to the one using a microcomputer, a dedicated logic circuit may be assembled.
この発明の一回通し精米機の加圧板制御方法は、搗精
途中でメインモータを一時停止させた場合、加圧板の付
勢力をこの停止に連動して弱くするか、又は後のメイン
モータの再起動の際に弱くするかしているので、メイン
モータ即ち搗精ロールの回転の立ち上がりが極めて迅速
且つスムーズに行なうことができる。しかも、加圧板の
付勢力を弱くするのは一時的であり、弱い付勢力の時に
排出される米はそれまでに精白が完了した米粒であり玄
米や半つき米が混入することもない。The method of controlling the pressure plate of the one-time rice milling machine of the present invention is such that, when the main motor is temporarily stopped during the polishing process, the urging force of the pressure plate is weakened in conjunction with this stop, or the main motor is re-activated later. Since it is weakened at the time of startup, the rotation of the main motor, that is, the Seisei roll, can be started up extremely quickly and smoothly. In addition, weakening the urging force of the pressure plate is temporary, and the rice discharged when the urging force is weak is a grain of rice that has been whitened by that time, and brown rice and half-polished rice are not mixed.
また、メインモータの始動が容易になったことから、
従来のように大出力のモータや始動装置が不要になり、
コスト的にも大きな効果がある。In addition, since starting the main motor has become easier,
There is no need for a high-power motor or starter as in the past,
It has a great cost effect.
第1図はこの発明の第1実施例の加圧板制御方法を示す
フローチャート、第2図はこの実施例の一回通し精米機
の縦断面図、第3図はこの実施例の制御装置のブロック
図、第4図はこの発明の第2実施例の加圧板制御方法を
示すフローチャートである。 1……搗精室、5……精白米排出口、6……加圧板、 8……電磁付勢装置、13……メインモータ、 22……付勢力設定手段、 23……スタート・一時停止スイッチFIG. 1 is a flow chart showing a pressure plate control method of a first embodiment of the present invention, FIG. 2 is a vertical sectional view of a single-pass rice milling machine of this embodiment, and FIG. 3 is a block of a control device of this embodiment. 4 and 5 are flow charts showing a pressure plate control method according to the second embodiment of the present invention. 1 …… Sewage room, 5 …… Polished rice discharge port, 6 …… Pressure plate, 8 …… Electromagnetic urging device, 13 …… Main motor, 22 …… Biasing force setting means, 23 …… Start / pause switch
Claims (2)
勢装置により付勢された加圧板を設け、電磁付勢装置の
駆動電流を所定の値に定める付勢力設定手段を有する一
回通し精米機の加圧板制御方法において、メインモータ
を一時的に停止させると電磁付勢装置の駆動電流を通常
の搗精時より小さくして加圧板の付勢力を弱くした状態
でその付勢力を維持し、後に再度メインモータを起動し
た際上記弱い付勢力にほぼ比例して定められた一定時間
上記弱い付勢力をさらに維持し、上記一定時間経過後電
磁付勢装置の駆動電流を元の値に戻し加圧板の付勢力を
所定の搗精圧に戻して搗精を行なうことを特徴とする一
回通し精米機の加圧板制御方法。1. A pressurizing plate urged by an electromagnetic urging device so as to block the polished rice discharge port of the polishing chamber, and a urging force setting means for setting a drive current of the electromagnetic urging device to a predetermined value. In the pressure plate control method of the continuous rice milling machine, when the main motor is temporarily stopped, the driving current of the electromagnetic urging device is made smaller than that during normal polishing and the urging force of the pressure plate is weakened. When the main motor is started again later, the weak biasing force is further maintained for a certain period of time that is approximately proportional to the weak biasing force, and after a certain period of time, the drive current of the electromagnetic biasing device is returned to the original value. A method for controlling a pressure plate of a single-pass rice milling machine, comprising: returning the urging force of the pressure plate to a predetermined polishing pressure to perform polishing.
勢装置により付勢された加圧板を設け、電磁付勢装置の
駆動電流を所定の値に定める付勢力設定手段を有する一
回通し精米機の加圧板制御方法において、メインモータ
を一時的に停止させた際電磁付勢装置の駆動電流を停止
前の値に維持し、後にメインモータを再起動する際、メ
インモータの始動に連動して電磁付勢装置の駆動電流を
小さくして加圧板の付勢力を弱くし、この弱い付勢力に
ほぼ比例して定められた一定時間この弱い付勢力を維持
し、この後電磁付勢装置の駆動電流を元の値に戻して加
圧板の付勢力を所定の搗精圧に戻して搗精を行なうこと
を特徴とする一回通し精米機の加圧板制御方法。2. A pressurizing plate urged by an electromagnetic urging device so as to close the polished rice discharge port of the polishing chamber, and a urging force setting means for setting a drive current of the electromagnetic urging device to a predetermined value. In the pressure plate control method of the continuous rice milling machine, when the main motor is temporarily stopped, the drive current of the electromagnetic energizing device is maintained at the value before the stop, and when the main motor is restarted later, the main motor is started. The drive current of the electromagnetic urging device is reduced to weaken the urging force of the pressure plate, and the weak urging force is maintained for a fixed period of time proportional to the weak urging force. A method for controlling a pressure plate of a one-time rice milling machine, comprising: returning a driving current of a power device to an original value and returning a biasing force of a pressure plate to a predetermined polishing pressure to perform polishing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62280529A JP2553109B2 (en) | 1987-11-05 | 1987-11-05 | Method of controlling pressure plate of one-time rice milling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62280529A JP2553109B2 (en) | 1987-11-05 | 1987-11-05 | Method of controlling pressure plate of one-time rice milling machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01123640A JPH01123640A (en) | 1989-05-16 |
JP2553109B2 true JP2553109B2 (en) | 1996-11-13 |
Family
ID=17626370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62280529A Expired - Fee Related JP2553109B2 (en) | 1987-11-05 | 1987-11-05 | Method of controlling pressure plate of one-time rice milling machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2553109B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6794695B2 (en) * | 2016-07-21 | 2020-12-02 | 井関農機株式会社 | Rice milling equipment |
-
1987
- 1987-11-05 JP JP62280529A patent/JP2553109B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH01123640A (en) | 1989-05-16 |
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