JPS6340580B2 - - Google Patents
Info
- Publication number
- JPS6340580B2 JPS6340580B2 JP57142297A JP14229782A JPS6340580B2 JP S6340580 B2 JPS6340580 B2 JP S6340580B2 JP 57142297 A JP57142297 A JP 57142297A JP 14229782 A JP14229782 A JP 14229782A JP S6340580 B2 JPS6340580 B2 JP S6340580B2
- Authority
- JP
- Japan
- Prior art keywords
- drive roller
- rice milling
- roller
- circuit
- drive
- 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
Links
- 241000209094 Oryza Species 0.000 claims description 28
- 235000007164 Oryza sativa Nutrition 0.000 claims description 28
- 235000009566 rice Nutrition 0.000 claims description 28
- 238000003801 milling Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 13
- 235000013339 cereals Nutrition 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 description 5
- 230000002087 whitening effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000021329 brown rice Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Adjustment And Processing Of Grains (AREA)
Description
【発明の詳細な説明】
この発明は、過負荷運転を防止できるようにし
た精米機に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rice milling machine that can prevent overload operation.
一般にこの種の精米機は精米ロールの回転と玄
米との摩擦により精米が行なわれている。材料穀
物が変わつたり、品種、含水率による穀物の硬さ
が変わると、精米ロールの負荷が変動し駆動モー
タが過負荷状態になつたり、他方白米の精白度が
変化するなどの欠点があつた。 Generally, this type of rice milling machine mills rice by rotating rice milling rolls and rubbing against brown rice. If the material grain changes or the hardness of the grain changes due to variety or moisture content, the load on the rice milling rolls will fluctuate, causing the drive motor to become overloaded, and on the other hand, there are disadvantages such as changes in the degree of polishing of the polished rice. Ta.
本発明は、安定した品質で効率良く精米がで
き、精米機の過負荷運転を防止することを目的と
するものであり、この発明は、ホツパの下部の精
米室の精米ロールからの穀物を循環させる循環路
に抵抗体を臨ませ、該抵抗体の基端部に設けたね
じとカツプリングのねじとを螺合すると共にカツ
プリングの回転軸に摩擦円板を設け、該摩擦円板
の円周端部に第１駆動ローラ及び該第１駆動ロー
ラの回転を伝達する歯車により回転する第２駆動
ローラを挾持する如くに配設し、さらに両駆動ロ
ーラの軸を水平方向に移動可能なローラベースに
設け、第１駆動ローラの軸に回転力を伝達する回
転伝達ワイヤの一端を連結し、該回転伝達ワイヤ
の他端を精米ロールのモータ伝達装置により駆動
するテンシヨンローラに連結し、また前記ローラ
ベースの両端に、駆動モータの電流変化を電圧変
化に変換する回路と、その変換回路の出力電圧を
精白設定の基準電圧とを比較する比較回路及び正
帰還回路からなるスイツチング回路により作動す
るソレノイドを夫々設け、該ソレノイドの動作に
より前記抵抗体を循環路に出没可能に設けた精米
機としたことである。 The purpose of the present invention is to efficiently mill rice with stable quality and to prevent overload operation of the rice milling machine. A resistor is placed facing the circulation path, and a screw provided at the base end of the resistor and a screw of the coupling are screwed together, and a friction disk is provided on the rotating shaft of the coupling, and the circumferential end of the friction disk is screwed together. A first drive roller and a second drive roller rotated by a gear that transmits the rotation of the first drive roller are sandwiched between the two drive rollers, and the axes of both drive rollers are mounted on a horizontally movable roller base. one end of the rotation transmission wire for transmitting rotational force is connected to the shaft of the first drive roller, the other end of the rotation transmission wire is connected to a tension roller driven by a motor transmission device of the rice milling roll, and At both ends of the base, there is a solenoid operated by a switching circuit consisting of a circuit that converts the current change of the drive motor into a voltage change, a comparison circuit that compares the output voltage of the conversion circuit with the reference voltage of the whitening setting, and a positive feedback circuit. The rice polishing machine is provided with the resistor being provided so that it can move in and out of the circulation path by the operation of the solenoid.
次に、この発明を添付図面の実施例により説明
すると、１はホツパであり、ホツパ１の下部には
穀物を精米する精米室２が備えられ、その精米室
２には、精米ロール３が設けられ、穀物をその回
転により摩擦により精白し、循環路４に排出し、
排出した穀物を循環路４を上昇せしめ精米室２内
へ循環させながら精白するもので、精米ロール３
の駆動は駆動モータ５からベルト又はチエーン等
伝達装置７によりプーリ６に伝達された回転力に
よつて駆動されるものである。 Next, this invention will be explained with reference to the embodiments shown in the attached drawings. 1 is a hopper, and the lower part of the hopper 1 is equipped with a rice milling chamber 2 for milling grains, and the rice milling chamber 2 is equipped with rice milling rolls 3. The grains are polished by friction due to the rotation thereof, and are discharged into the circulation path 4.
The discharged grain is polished while being circulated up the circulation path 4 and into the rice milling chamber 2.
is driven by the rotational force transmitted from the drive motor 5 to the pulley 6 by a transmission device 7 such as a belt or chain.
上記精米機の循環路４内に臨ませた抵抗体は循
環路４内を進退自在に挿入される様に形成されて
いるものであり、この抵抗体は精米作業に穀物の
循環負荷として作用し、その突出度によつて精白
力が変えられる。 The resistor facing into the circulation path 4 of the rice milling machine is formed to be inserted into the circulation path 4 so as to be able to move forward and backward, and this resistor acts as a circulation load for grain during the rice milling operation. The whitening power can be changed depending on its prominence.
抵抗体８の基部に設けたねじ１０とカツプリン
グの内周面に設けたねじ１１とを螺合すると共
に、カツプリングの回転軸１２′に摩擦円板１２
を設ける。摩擦円板１２の円周端部両面に第１駆
動ローラ１３及び第２駆動ローラ１４を挾持する
如く配設する。第２駆動ローラ１４は、第１駆動
ローラ１３の回転を伝達する歯車１５，１６によ
り回転するものであり、上記両駆動ローラ１３，
１４の軸１３′，１４′は水平方向に移動可能なロ
ーラベース１９に設けられ、また第１駆動ローラ
１３の軸１３′に回転力を伝達する回転伝達ワイ
ヤ１７の一端を連結し、該回転伝達ワイヤ１７の
他端を精米ロール３のモータ伝達装置７により駆
動するテンシヨンローラ１８に連結する。 A screw 10 provided at the base of the resistor 8 and a screw 11 provided on the inner peripheral surface of the coupling are screwed together, and a friction disk 12 is attached to the rotating shaft 12' of the coupling.
will be established. A first drive roller 13 and a second drive roller 14 are disposed on both sides of the circumferential end of the friction disk 12 so as to be sandwiched therebetween. The second drive roller 14 is rotated by gears 15 and 16 that transmit the rotation of the first drive roller 13, and is rotated by gears 15 and 16 that transmit the rotation of the first drive roller 13.
14 shafts 13' and 14' are provided on a horizontally movable roller base 19, and are connected to one end of a rotation transmission wire 17 that transmits rotational force to the shaft 13' of the first drive roller 13. The other end of the transmission wire 17 is connected to a tension roller 18 driven by the motor transmission device 7 of the rice polishing roll 3.
前記ローラベース１９は水平方向に移動させる
ように設けられていて、ローラベース１９にはソ
レノイド２０，２１が夫々連結されていてソレノ
イド２０の動作によりローラベース１９を矢印Ａ
１９方向に、またソレノイド２１の動作により、
ローラベース１９を逆方向に移動させるように
し、互のソレノイドが動作しない場合は駆動ロー
ラ１３，１４はいずれも摩擦板１２に接すること
のないようにされている。そして抵抗体８は第１
駆動ローラ１３又は第２駆動ローラ１４の回転が
摩擦円板１２に伝達することにより歯車機構１
０，１１を動作させ抵抗体８を循環路４内を進退
させる。 The roller base 19 is provided to be moved in the horizontal direction, and solenoids 20 and 21 are connected to the roller base 19, respectively.
19 direction, and by the operation of the solenoid 21,
The roller base 19 is moved in opposite directions so that neither of the drive rollers 13 and 14 comes into contact with the friction plate 12 when the solenoids do not operate. And the resistor 8 is the first
By transmitting the rotation of the drive roller 13 or the second drive roller 14 to the friction disk 12, the gear mechanism 1
0 and 11 to move the resistor 8 forward and backward within the circulation path 4.
なお２２はモータ５に流れる電流を検出すると
共に、電流変化を電圧変化量に変換する変換回
路、２３は変換回路２２の出力電圧と精白力設定
用の基準電圧とを比較する比較回路、２４は正帰
還回路、２５は前記比較回路２３の出力によりソ
レノイド２０及び２１を動作させるスイツチング
回路であり、精白力設定用の調整抵抗（図示せ
ず）により設定される基準電圧と電流値に応じて
変化する電圧とを比較してソレノイドを右或は左
に移動させ、抵抗体８の循環路４内等への突出量
ｌを変えて精白度を変えると共にモータ５の負荷
の調節を行なう。 Note that 22 is a conversion circuit that detects the current flowing through the motor 5 and converts the current change into a voltage change amount, 23 is a comparison circuit that compares the output voltage of the conversion circuit 22 with a reference voltage for setting the milling power, and 24 is a The positive feedback circuit 25 is a switching circuit that operates the solenoids 20 and 21 by the output of the comparison circuit 23, and changes according to the reference voltage and current value set by an adjustment resistor (not shown) for setting the whitening power. The solenoid is moved to the right or left by comparing the voltage with that of the resistor 8, and the protrusion amount l of the resistor 8 into the circulation path 4 is changed to change the polishing degree and adjust the load on the motor 5.
発明は前記の構成により、常に穀物の種類、含
水率、硬度の変化に応じた一定の精米が自動的に
調節され、作業のたびの調節が不要で誰でも運転
できるものである。又精米作業時に穀物に過大な
力が加わらず、穀物を損傷することがなく、品質
の良い精白穀物を得ることができる。更に精米作
業時に負荷を自動的に調節できるため駆動モータ
の過熱、ひいては損傷を防止できる。 With the above-described structure, the present invention automatically adjusts the rice polishing to a certain level according to changes in grain type, moisture content, and hardness, and anyone can operate the rice mill without having to make adjustments every time it is used. In addition, no excessive force is applied to the grains during the rice milling operation, so the grains are not damaged, and high-quality polished grains can be obtained. Furthermore, since the load can be automatically adjusted during rice milling work, overheating and damage to the drive motor can be prevented.
又調節に要する力は精米機のモータの伝達装置
の一部を利用できるので、補助電動機の必要がな
く安価に構成できる等幾多の効果がある。 Further, since a part of the transmission device of the motor of the rice milling machine can be used to generate the force required for adjustment, there are many advantages such as no need for an auxiliary electric motor and the construction can be made at low cost.
第１図は本発明の縦断正面図、第２図は本発明
主要部の概略説明図、第３図は自動電圧調整回路
図である。
１……ホツパ、２……精米室、３……精米ロー
ル、４……循環路、５……駆動モータ、６……プ
ーリ、７……伝達装置、８……抵抗体、１０……
おねじ、１１……めねじ、１２……摩擦円板、１
３，１４……駆動ローラ、１５，１６……歯車、
１７……回転伝達ワイヤ、１８……テンシヨンロ
ーラ、２０，２１……ソレノイド、２２……変換
回路、２３……比較回路、２４……正帰還回路、
２５……スイツチング回路。
FIG. 1 is a longitudinal sectional front view of the present invention, FIG. 2 is a schematic explanatory diagram of the main parts of the present invention, and FIG. 3 is an automatic voltage adjustment circuit diagram. 1... Hopper, 2... Rice milling room, 3... Rice milling roll, 4... Circulation path, 5... Drive motor, 6... Pulley, 7... Transmission device, 8... Resistor, 10...
Male thread, 11...Female thread, 12...Friction disk, 1
3, 14... Drive roller, 15, 16... Gear,
17... Rotation transmission wire, 18... Tension roller, 20, 21... Solenoid, 22... Conversion circuit, 23... Comparison circuit, 24... Positive feedback circuit,
25...Switching circuit.
Claims (1)
物を循環させる循環路に抵抗体を臨ませ、該抵抗
体の基部に設けたねじとカツプリングのねじを螺
合すると共にカツプリングの回転軸に摩擦円板を
設け、該摩擦円板の円周端部に第１駆動ローラ及
び該第１駆動ローラの回転を伝達する歯車により
回転する第２駆動ローラを挾持する如くに配設
し、さらに両駆動ローラの軸を水平方向に移動可
能なローラベースに設け、第１駆動ローラの軸に
回転力を伝達する回転伝達ワイヤの一端を連結
し、該回転伝達ワイヤの他端を精米ロールのモー
タ伝達装置により駆動するテンシヨンローラに連
結し、また前記ローラベースの両端に駆動モータ
の電流変化を電圧変化に変換する回路とその変換
回路の出力電圧を精白設定の基準電圧とを比較す
る比較回路及び正帰還回路からなるスイツチング
回路により、作動するソレノイドを夫々設け、該
ソレノイドの動作により前記抵抗体を循環路に出
没可能に設けたことを特徴とする精米機。1. A resistor is placed facing the circulation path that circulates the grain from the rice milling rolls in the rice milling room at the bottom of the hopper, and the screw provided at the base of the resistor and the screw of the coupling ring are screwed together, and a friction circle is attached to the rotating shaft of the coupling. A plate is disposed at the circumferential end of the friction disk so as to sandwich a first drive roller and a second drive roller rotated by a gear that transmits the rotation of the first drive roller, and further includes both drive rollers. A shaft of the first drive roller is provided on a horizontally movable roller base, one end of a rotation transmission wire for transmitting rotational force is connected to the shaft of the first drive roller, and the other end of the rotation transmission wire is connected to the shaft of the first drive roller by a motor transmission device of the rice milling roll. A circuit is connected to the tension roller to be driven, and at both ends of the roller base, there is a circuit for converting the current change of the drive motor into a voltage change, a comparison circuit for comparing the output voltage of the conversion circuit with a reference voltage of the white setting, and a positive feedback circuit. 1. A rice milling machine, characterized in that solenoids actuated by switching circuits are provided, and the resistors are provided so as to be able to move in and out of a circulation path by the operation of the solenoids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14229782A JPS5932954A (en) | 1982-08-17 | 1982-08-17 | Rice refining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14229782A JPS5932954A (en) | 1982-08-17 | 1982-08-17 | Rice refining machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5932954A JPS5932954A (en) | 1984-02-22 |
| JPS6340580B2 true JPS6340580B2 (en) | 1988-08-11 |
Family
ID=15312096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14229782A Granted JPS5932954A (en) | 1982-08-17 | 1982-08-17 | Rice refining machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5932954A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5721943A (en) * | 1980-07-15 | 1982-02-04 | Matsushita Electric Ind Co Ltd | Rice-cleaning machine |
-
1982
- 1982-08-17 JP JP14229782A patent/JPS5932954A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5721943A (en) * | 1980-07-15 | 1982-02-04 | Matsushita Electric Ind Co Ltd | Rice-cleaning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5932954A (en) | 1984-02-22 |
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