JP4888321B2 - Stone drilling machine - Google Patents

Stone drilling machine Download PDF

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JP4888321B2
JP4888321B2 JP2007259740A JP2007259740A JP4888321B2 JP 4888321 B2 JP4888321 B2 JP 4888321B2 JP 2007259740 A JP2007259740 A JP 2007259740A JP 2007259740 A JP2007259740 A JP 2007259740A JP 4888321 B2 JP4888321 B2 JP 4888321B2
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rice
machine
stone
milling
bag
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JP2009082891A (en
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功 新野
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Satake Corp
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Description

本発明は石抜き精米機に関する。 The present invention relates to a stone-removing rice mill.

従来、コイン精米施設に用いられる自動精米装置として、例えば、特許文献1に開示されものがある。このものは、精米室を複数回循環して玄米を精米し及び研米する精米装置を備えたもので、循環経路の途中にチャージタンクを設け、精米装置の排出経路側にチャージタンク側又は製品ホッパー側に切換える切替手段を設け、精米及び研米の初期は未精米及び未研米をチャージタンク側に切り替え、初期循環の精米及び研米を一時貯留するよう構成し、精米及び研米終了行程で精米及び研米を精米室に戻す構成としたものである。そして、この自動精米装置では、精米網等から漏下される糠を処理する除糠サイクロン装置が機械室内に設けられ、この機械室のサイクロン下部には、該サイクロンから分離落下される糠を受ける糠受ボックスを配置している。 Conventionally, as an automatic rice milling apparatus used in a coin milling facility, for example, there is one disclosed in Patent Document 1. This is equipped with a rice milling device that circulates the rice mill several times to mill brown rice and grinds it. A charge tank is provided in the middle of the circulation path, and the charge tank side or product is placed on the discharge path side of the rice milling apparatus. A switching means to switch to the hopper side is provided, and in the initial stage of milled rice and polished rice, the unpolished rice and unpolished rice are switched to the charge tank side, and the initial circulating milled rice and polished rice are temporarily stored. In this configuration, the milled rice and the polished rice are returned to the milling room. In this automatic rice milling apparatus, a decycling cyclone apparatus for treating the rice cake leaked from the rice milling net or the like is provided in the machine room, and the lower part of the machine room receives the rice cake separated and dropped from the cyclone. A receiving box is placed.

そして、糠受ボックス内へ操作室側から袋受ドアを開いて糠袋の挿入が可能となるよう、仕切壁の一部には糠受ボックスに対向して下端の蝶番の周りに開閉可能な袋受ドアが設けられ、該袋受ドア全面、又は一部が透明材で形成されていて、内部を透視可能に構成し、袋受ドアを手前側に回動させるようハンドルが取り付けられている。この構成により、使用者は操作室側から袋受ドアを開いて糠袋をセットすると、精米が終了すれば、糠を持ち帰ることができるのである。 Then, a bag that can be opened and closed around a hinge at the lower end of the partition wall facing the receiving box so that the bag receiving door can be inserted into the receiving box by opening the bag receiving door from the operation room side. A receiving door is provided, and the whole or a part of the bag receiving door is formed of a transparent material. The inside of the bag receiving door can be seen through, and a handle is attached to rotate the bag receiving door to the front side. According to this configuration, when the user opens the bag receiving door from the operation room side and sets the straw bag, the rice can be taken home when the milling is finished.

しかしながら、上記従来技術のように、糠受ボックス内へ操作室側から袋受ドアを開いて糠袋の挿入が可能となるよう、仕切壁の一部には糠受ボックスに対向して下端の蝶番の周りに開閉可能な袋受ドアを設ける構成にあっては、新しい糠袋の付け替え作業の際に、いちいち袋受ドアを開放して糠袋を装着した後、袋受ドアを閉鎖してサイクロンの排出部が糠袋直上の適正な位置にあるか否か確認する必要があり、作業が煩わしいといった問題がある。 However, as in the prior art described above, a part of the partition wall has a hinge at the lower end facing the receiving box so that the bag receiving door can be inserted into the receiving box by opening the bag receiving door from the operation chamber side. In the configuration in which a bag receiving door that can be opened and closed is provided around the bag, when replacing a new bag, after opening the bag receiving door and mounting the bag one by one, the bag receiving door is closed and the cyclone is discharged. There is a problem that it is necessary to confirm whether or not the part is in an appropriate position directly above the bag, and the operation is troublesome.

また、複数の糠袋をあらかじめ用意しておき、これに順次糠を袋詰して作業効率を向上させる技術もあるが、そのために、糠の排出位置を隣の糠袋に切り替える切換装置が必要となり、製造コスト高となる問題がある。 In addition, there is a technology that prepares a plurality of bag bags in advance and packs the bag sequentially to improve the work efficiency, but for that purpose, a switching device that switches the bag discharge position to the next bag bag is necessary, There is a problem of high manufacturing costs.

特開2005−262102号公報JP 2005-262102 A

本発明は上記問題点にかんがみ、糠の排出位置を隣の糠袋に切り替える際に特別な装置が不要であり、しかも、糠袋及び製品用の米袋を付け替える際、袋の付け替え作業に手間を要しない石抜き精米機を提供することを技術的課題とする。 In view of the above problems, the present invention eliminates the need for a special device when switching the bag discharge position to the adjacent bag bag, and when changing the bag bag and the rice bag for the product, no effort is required for changing the bag. Providing a stone-free rice milling machine is a technical issue.

上記課題を解決するため本発明は、玄米を搗精する精米機(6)と、搗精された米粒中に混入する異物を選別・除去する石抜き機(7)とを、機体中央で上下に位置するようそれぞれを配設するとともに、該精米機(6)及び石抜き機(7)で構成される機体中央一側部には、前記精米機(6)に玄米を供給する揚穀機(4)を立設する一方、該揚穀機(4)下部の前面壁(4a)側に玄米投入ホッパー(3)を設け、さらに、前記機体中央他側部には、前記精米機(6)で発生した糠を回収する糠回収装置(8)を配設した石抜き精米機であって、前記糠回収装置(8)は、前記精米機(6)で発生する糠を吸引する単一のサイクロン(8a)と、該サイクロン(8a)の下部に設けた排出装置(8e)と、該排出装置(8e)を、前記サイクロン(8a)下方に設置した複数の糠受袋(N1,N2)直上に移動させる移動機構(8h,8i,8K)とを備えており、前記石抜き機(7)は、内部に送風ファンが内装された箱形の機枠(7a)と、該機枠(7a)に対して揺動可能に支持された選別ケース(7c)とを備え、該選別ケース(7c)の揺り下げ側に設けた精品排出樋(7e)が、前記糠回収装置(8)隣り合うように設置し、該精品排出樋(7e)下方に設置した精品袋(S)が、前記サイクロン(8a)下方に設置した複数の糠受袋(N1,N2)と横一列に並べられる配置構成とする、という技術的手段を講じた。 In order to solve the above-mentioned problems, the present invention provides a rice mill (6) for scouring brown rice and a stone remover (7) for sorting and removing foreign matter mixed in the scoured rice grains, in the center of the machine. And a rice mill (4) for supplying brown rice to the rice milling machine (6) on one side of the machine body composed of the rice milling machine (6) and the stone remover (7). ) Is installed on the front wall (4a) side of the lower part of the cerealing machine (4), and a brown rice charging hopper (3) is provided on the other side of the center of the machine body by the rice milling machine (6). A stone-removing rice mill with a rice bran collecting device (8) for collecting the generated rice bran, wherein the rice bran collecting device (8) is a single cyclone for sucking rice produced by the rice mill (6). (8a), a discharge device (8e) provided under the cyclone (8a), and the discharge device (8e) And a moving mechanism (8h, 8i, 8K) that moves directly above the plurality of baskets (N1, N2) installed below the cron (8a). And a sorting case (7c) supported so as to be swingable with respect to the machine frame (7a), and on the swinging side of the sorting case (7c). The provided fine product discharge basket (7e) is installed so as to be adjacent to the basket collection device (8), and the fine product bag (S) installed under the fine product discharge basket (7e) is installed under the cyclone (8a). The technical means of arranging the plurality of bag receiving bags (N1, N2) in a horizontal row was taken.

請求項1記載の発明によれば、玄米を搗精する精米機(6)及び搗精された米粒中に混入する異物を選別・除去する石抜き機(7)が機体中央で上下に位置するように配設され、機体中央一側部には、前記精米機(6)に玄米を供給する揚穀機(4)を立設する一方、該揚穀機(4)下部の前面壁(4a)側に玄米投入ホッパー(3)を設け、さらに、前記機体中央他側部には、前記精米機(6)で発生した糠を回収する糠回収装置(8)を配設してあるから、精米機(6)及び石抜き機(7)を別々に設置するよりも省スペースとなり、しかも、精米機(6)を石抜き機7よりも上方に設けてあり、該精米機(6)から排出された米粒を玄米投入ホッパー(3)側へ流下させて循環搗精を行うか、又は次工程の石抜き機(7)に流下させて異物の選別・除去を行うかの選択が可能となる。 According to the invention described in claim 1, the rice milling machine (6) for milling brown rice and the stone removing machine (7) for sorting and removing foreign matters mixed in the milled rice grains are positioned vertically in the center of the machine body. In the central part of the machine body, a cerealing machine (4) for supplying brown rice to the rice mill (6) is erected, while the front wall (4a) side of the lower part of the cerealing machine (4) In addition, a brown rice charging hopper (3) is provided on the other side of the machine body, and a rice bran collection device (8) for collecting rice bran generated in the rice milling machine (6) is disposed on the other side of the machine body. (6) and the stone remover (7) are more space-saving than installing them separately, and the rice mill (6) is provided above the stone remover 7 and discharged from the rice mill (6). The rice grains are allowed to flow down to the brown rice charging hopper (3) side for circulating scouring, or to the stone removal machine (7) in the next process. Selection of whether to sorting and removal of goods can be performed.

そして、前記糠回収装置(8)は、排出装置(8e)を、前記サイクロン(8a)下方に設置した複数の糠受袋(N1,N2)直上に移動させる移動機構(8h)を備え、前記石抜き機(7)の選別ケース(7c)の揺り下げ側に設けた精品排出樋(7e)が、前記糠回収装置(8)隣り合うように設置され、該精品排出樋(7e)下方に設置した精品袋(S)が、前記サイクロン(8a)下方に設置した複数の糠受袋(N1,N2)と横一列に並べられる配置構成としてあるから、排出装置(8e)を隣の糠受袋(N2)に切り替える際には、作業者が移動機構(8h)を手で持って手動で摺動させることにより移動可能であり、特別な駆動装置が不要で製造コストも安価となる。また、糠回収装置(8)側に各袋(N1,N2,S)が横一列に並べられた配置構成であり、糠受袋(N1,N2)及び精品袋(S)の付け替え作業の際は、作業者の負担が最小限で済み、手間を要しない。 The bag collecting device (8) includes a moving mechanism (8h) for moving the discharge device (8e) directly above the plurality of bag receiving bags (N1, N2) installed below the cyclone (8a), A fine product discharge basket (7e) provided on the swinging side of the sorting case (7c) of the stone remover (7) is installed adjacent to the basket recovery device (8), and below the fine product discharge basket (7e). Since the installed precision bag (S) is arranged in a row in a row with the plurality of baskets (N1, N2) installed below the cyclone (8a), the discharge device (8e) is placed next to the bottle. When switching to the bag (N2), the operator can move it by manually holding the moving mechanism (8h) and sliding it, so that no special drive device is required and the manufacturing cost is low. Further, each bag (N1, N2, S) is arranged in a horizontal row on the side of the bag collecting device (8), and when the bag receiving bag (N1, N2) and the fine bag (S) are replaced. This requires minimal burden on the operator and does not require labor.

図1は本発明の実施形態に係る石抜き精米機を示す斜視図であり、図2は同石抜き精米機を別の方向から見たときの斜視図であり、図3は同石抜き精米機の糠回収装置を示す斜視図であり、図4は同石抜き精米機からカバーを取り去ったときの玄米投入ホッパー、精米機及び石抜き機等の配管を示す概略図であり、図5は同石抜き精米機の内部構造を示す縦断面図であり、図6は石抜き機からカバーを取り去ったときの斜視図である。 FIG. 1 is a perspective view showing a stone-removing rice mill according to an embodiment of the present invention, FIG. 2 is a perspective view of the stone-removing rice mill from another direction, and FIG. FIG. 4 is a schematic view showing piping of a brown rice charging hopper, a rice milling machine, and a stone removing machine when the cover is removed from the stone removing rice milling machine, and FIG. It is a longitudinal cross-sectional view which shows the internal structure of the same stone punching machine, and FIG. 6 is a perspective view when the cover is removed from the stone punching machine.

図1乃至図6において、石抜き精米機本体1は、台部2bをヒンジ部2aによって回動させて折り畳み可能に形成した玄米袋の載置台2と、玄米を受け入れるための角錐状の玄米投入ホッパー3と、玄米投入ホッパー3底部に設けられた投入口(図示せず)を開口させるシャッター3aと、該シャッター3aの開放により玄米投入ホッパー3内の玄米を揚穀する揚穀機4と、揚穀された玄米を一時待機させる貯留タンク5と、貯留タンク5から供給される玄米を、精白米又は無洗米に精白する精米機6と、精白された精白米中又は無洗米中に混在する石、ガラス等の異物を選別・除去する石抜き機7と、前記精米機6で発生する糠粉をサイクロンコレクターに吸引させ、該サイクロンコレクターの下部に設けたロータリーバルブから糠を排出する構成の糠回収装置8とを備えている。 1 to 6, a stone-removing rice mill main body 1 includes a platform 2 for a brown rice bag formed so that it can be folded by rotating a platform 2b with a hinge 2a, and a pyramid-shaped brown rice for receiving the brown rice. A hopper 3, a shutter 3 a that opens a loading port (not shown) provided at the bottom of the brown rice charging hopper 3, and a masher 4 that pulverizes the brown rice in the brown rice charging hopper 3 by opening the shutter 3 a; The storage tank 5 for temporarily waiting for the pulverized brown rice, the brown rice supplied from the storage tank 5 to the polished rice or non-washed rice, and the polished white polished rice or non-washed rice are mixed. A stone punching machine 7 for selecting and removing foreign substances such as stone and glass, and soot powder generated in the rice milling machine 6 is sucked into a cyclone collector, and the soot is discharged from a rotary valve provided under the cyclone collector. And a bran collecting device 8 configuration.

上記構成の石抜き精米機1本体の配置構成を述べると、前記精米機6及び石抜き機7が、機体中央で上下に位置するようそれぞれ配設されるとともに、該精米機6及び石抜き機7で構成される機体中央一側部には、前記揚穀機4を立設する一方、該揚穀機4下部の前面壁4a側に玄米投入ホッパー3が設けられ、さらに、前記機体中央他側部に前記糠回収装置8を配設している。これにより、精米機6及び石抜き機7を別々に設置するよりも省スペースとなり、しかも、精米機6が石抜き機7よりも上方に設けてあり、該精米機6から排出された米粒を玄米投入ホッパー3側へ流下させて循環搗精を行うか、又は次工程の石抜き機7に流下させて異物の選別・除去を行うかの選択が可能となる。 The arrangement configuration of the main body of the stone-removing rice mill 1 having the above-described configuration will be described. The rice milling machine 6 and the stone-removing machine 7 are disposed so as to be positioned vertically in the center of the machine body. 7 is provided with a brown rice throwing hopper 3 on the front wall 4a side of the lower part of the cerealing machine 4. The soot collecting device 8 is disposed on the side. As a result, the rice milling machine 6 and the stone punching machine 7 are saved in space rather than separately installed, and the rice milling machine 6 is provided above the stone drilling machine 7 so that the rice grains discharged from the rice milling machine 6 can be removed. It is possible to select whether to circulate and finely flow down to the brown rice input hopper 3 side, or to select and remove foreign substances by flowing down to the next stone removing machine 7.

また、本実施形態の石抜き精米機1は、コインタイマー等(図示せず)を電気的に接続してコインの投入により揚穀機4、精米機6、石抜き機7、及び糠回収装置8の各モータが所定時間駆動されるように構成し、利用者が玄米を持ち込んで各自で精米を行う無人精米施設に適用することもできる。 Further, the stone-removing rice mill 1 of this embodiment is electrically connected with a coin timer or the like (not shown), and when a coin is inserted, the cerealing machine 4, the rice milling machine 6, the stone-removing machine 7, and the koji collecting device. It can also be applied to an unmanned rice mill where each of the motors 8 is driven for a predetermined time, and the user brings brown rice and mills the rice by himself.

図示するように、精米機6には、その上方に揚穀機4により揚穀された玄米を一時待機させる貯留タンク5が載置される一方、精米機6の前面壁6aには(図4乃至図6参照)、精白室内の調圧ダイヤル9、穀粒供給シャッター10用のレバー10a、操作パネル11及び精品排出樋12が設けられている。この精品排出樋12には、把手13aの回動により、搗精処理済みの米粒を二方向に切り替え可能な二方向切換弁13を内装するとともに、石抜き機7側へ案内する石抜き機投入樋14と玄米ホッパー3側へ案内する玄米戻し樋15とを分岐して配設しており、精米初期及び精米終期には二方向切換弁13を玄米戻し樋15側に切り替えておき、米粒を玄米投入ホッパー3へ還元させて循環搗精を行うと、精米初期及び精米終期に生じるムラ搗きを防止することができる。 As shown in the figure, a storage tank 5 for temporarily holding the brown rice that has been cerealed by the cerealing machine 4 is placed on the rice milling machine 6, while the front wall 6 a of the rice milling machine 6 (see FIG. 4). Through the whitening chamber 9, a lever 10 a for the grain supply shutter 10, an operation panel 11, and a fine product discharge basket 12. This fine product discharge basket 12 is equipped with a two-way switching valve 13 capable of switching rice grains that have been subjected to milling treatment in two directions by turning the handle 13a, and a stone punching machine input bowl that guides to the stone removing machine 7 side. 14 and the brown rice hopper 3 which is guided to the brown rice hopper 3 side are branched and arranged, and the two-way switching valve 13 is switched to the brown rice return potato 15 side at the initial and final stages of the rice polishing, and the rice grains are transferred to the brown rice. When recirculation milling is performed by reducing to the charging hopper 3, it is possible to prevent uneven milling that occurs in the early and final milling stages.

図4及び図6に示すように、石抜き機7は、内部に送風ファンが内装された箱形の機枠7aと、該機枠7aに対して揺動可能に支持された多孔選別板7bからなる選別ケース7cとから主要部が構成され、石抜き機7の揺り上げ側が玄米投入ホッパー3側へ、揺り下げ側が糠回収装置8側へそれぞれ向くように架台7hにより載置固定されている。そして、機枠7aの揺り上げ側に石屑を排出する石抜き樋7dが、揺り下げ側に精品を排出する精品排出樋7eがそれぞれ設けられている。さらに、該精品排出樋7e下方に設置した精品袋Sは、前記糠回収装置8下方に設置した複数の糠受袋N1,N2と横一列に並べられる配置構成としてある。符号7fは石抜き樋7dからの石屑や選別ケース7c上に溜まった残留米を回収するための石・残留米回収箱であり、符号7gは選別ケース7cの多孔選別板を通過した砕米を回収するための砕米回収箱である。なお、符号Sは精品を袋詰めするための紙袋であり、符号Nは除糠サイクロン8aからの糠を袋詰めするための紙袋であり、図6の符号43は石抜き機7の全体を覆うカバーである。 As shown in FIGS. 4 and 6, the stone remover 7 includes a box-shaped machine frame 7a with a blower fan inside, and a porous sorting plate 7b supported so as to be swingable with respect to the machine frame 7a. The sorting case 7c is composed of a main part, and is fixedly mounted by a gantry 7h so that the rocking side of the stone remover 7 is directed to the brown rice charging hopper 3 side and the rocking side is directed to the side of the straw collecting device 8 respectively. . Further, a stone punching rod 7d for discharging stone debris is provided on the rocking side of the machine casing 7a, and a fine product discharging rod 7e for discharging fine products is provided on the rocking side. Furthermore, the refined bag S installed below the refined product discharge basket 7e is arranged in a line with a plurality of basket receiving bags N1, N2 installed below the basket collection device 8. Reference numeral 7f is a stone / residual rice recovery box for recovering debris from the stone punch 7d and residual rice collected on the sorting case 7c. Reference numeral 7g is a broken rice that has passed through the porous sorting plate of the sorting case 7c. This is a broken rice recovery box for recovery. In addition, the code | symbol S is a paper bag for bagging a refined product, the code | symbol N is a paper bag for bagging the bag from the cyclone removal cyclone 8a, and the code | symbol 43 of FIG. It is a cover.

図5は石抜き精米機の内部構造を示すため、図4のA−A’を破断した縦断面図である。精米機6は、図5に示すように、貯留タンク5と連通するホッパー16と、前記穀粒供給シャッター10下方に設けられた供給路17と、送穀室18と、送穀ロール19と、精白室20と、精白ロール21とを備えており、ホッパー16に供給された玄米が送穀室18へ供給され、この送穀室18内の玄米を送穀室18内の送穀ロール19によって精白室20へと移送し、この精白室20の排出口33をバネ34の付勢力によって押圧する抵抗蓋35、及び精白室20内で回転する精白ロール21によって玄米を攪拌しながら搗精圧力をかけて糠層を除去する構成である。精白ロール21の表面には、精白筒20内の長手方向において、前記送穀ロール19による穀粒の移送とは逆方向に移送する精米突条22が形成される(図5に示す精白ロール21の例では、送穀ロール19のリード角とは逆方向であり、リード角を約22.5°〜30°に形成した突条としている。)。 FIG. 5 is a longitudinal cross-sectional view taken along the line A-A ′ of FIG. 4 to show the internal structure of the stone-milled rice milling machine. As shown in FIG. 5, the rice mill 6 includes a hopper 16 communicating with the storage tank 5, a supply path 17 provided below the grain supply shutter 10, a cerealing room 18, a cerealing roll 19, A milling chamber 20 and a milling roll 21 are provided, and the brown rice supplied to the hopper 16 is supplied to the cerealing chamber 18, and the brown rice in the cerealing chamber 18 is fed by the cerealing roll 19 in the cerealing chamber 18. It is transferred to the milling chamber 20 and applied with milling pressure while stirring the brown rice by the resistance lid 35 that presses the discharge port 33 of the milling chamber 20 by the urging force of the spring 34 and the milling roll 21 that rotates in the milling chamber 20. In this configuration, the soot layer is removed. On the surface of the milling roll 21, rice milling ridges 22 are formed in the longitudinal direction within the milling cylinder 20 to be transferred in the direction opposite to the grain transfer by the grain feeding roll 19 (the milling roll 21 shown in FIG. 5). In this example, the lead angle of the cerealing roll 19 is opposite to that of the cerealing roll 19, and the lead angle is about 22.5 ° to 30 °.

前記供給路17内には、該供給路17内の流路幅を調整する流量調整シャッター23が設けられており、ホッパー16に供給された玄米を一定流量で安定的に送穀室18へ供給することができる。前記送穀室18は、横軸24と同軸上の円筒25によって構成されている。 In the supply path 17, a flow rate adjusting shutter 23 for adjusting the flow path width in the supply path 17 is provided, and the brown rice supplied to the hopper 16 is stably supplied to the cerealing chamber 18 at a constant flow rate. can do. The cerealing chamber 18 is constituted by a cylinder 25 coaxial with the horizontal axis 24.

前記精白室20は、多孔板又は網体によって形成される多孔壁除糠筒26によって構成され、該多孔壁除糠筒26の一端を円筒25のフランジ25aにより固定し、他端は排出口を形成するフランジ33aにより固定する。そして、前記精白ロール21及び送穀ロール19は、主軸24に軸装されており、その軸端部に軸着した回転プーリ27と、回転用モータ28に軸着したモータプーリ29との間に巻回されたベルト30によって、主軸24が毎分1800回以上の回転数で回転するように構成されている。符号31はテンションプーリである。なお、前記主軸24を中空状するとともに、精白ロール21の突条22に沿って穿孔した噴風溝32を設け、主軸24から噴風溝32を介して精白室20内に除糠用の噴風を送給する構成としてもよい。 The whitening chamber 20 is constituted by a porous wall removal cylinder 26 formed of a porous plate or a net, and one end of the porous wall removal cylinder 26 is fixed by a flange 25a of a cylinder 25, and the other end has a discharge port. It fixes with the flange 33a to form. The milling roll 21 and the cerealing roll 19 are mounted on a main shaft 24, and are wound between a rotary pulley 27 that is pivotally attached to an end of the shaft and a motor pulley 29 that is pivotally attached to a motor 28 for rotation. The main shaft 24 is configured to rotate at a rotation speed of 1800 times or more per minute by the rotated belt 30. Reference numeral 31 denotes a tension pulley. The main shaft 24 has a hollow shape, and a blast groove 32 drilled along the protrusion 22 of the whitening roll 21 is provided, and a jet for removal from the main shaft 24 into the whitening chamber 20 through the blast groove 32. It is good also as a structure which sends a wind.

前記精白室20の排出口33は、バネ34の付勢力によって押圧する抵抗蓋35を設ける。該抵抗蓋35には、機壁の外方に延びる連結棒36が連結され、該連結棒36の中間部には前記バネ34が嵌装され、前記調圧ダイヤル9の回転に伴って連結棒36が左右に摺動してバネ34の付勢力の強弱が調整できる構成となっている。符号45は精品排出用の傾斜シュートである。また、貯留タンク5には揚穀機4から供給される穀粒の供給用開口部40が穿設されるとともに、貯留タンク5からのオーバーフロー用開口部44が穿設され、該開口部44には、オーバーフロー樋41を接続して満量になった米粒を玄米投入ホッパー3に還元することができる構成となっている。 The discharge port 33 of the whitening chamber 20 is provided with a resistance lid 35 that is pressed by the biasing force of the spring 34. A connecting rod 36 extending outward from the machine wall is connected to the resistance lid 35, and the spring 34 is fitted in an intermediate portion of the connecting rod 36, and the connecting rod is rotated as the pressure adjusting dial 9 rotates. 36 is configured such that the strength of the urging force of the spring 34 can be adjusted by sliding to the left and right. Reference numeral 45 denotes an inclined chute for discharging a fine product. Further, the storage tank 5 is provided with an opening 40 for supplying the grain supplied from the masher 4, and an overflow opening 44 from the storage tank 5 is provided in the opening 44. Is configured so that the overflowing rice grains 41 can be connected to return the full rice grains to the brown rice charging hopper 3.

符号37は除糠室38を形成する集糠樋であり、集糠管39を介して図4に示す除糠サイクロン8aの糠吸入口8bに連絡している。また、図4に示す除糠サイクロン8aは、該サイクロン8a下流の排気管8c側に吸引排風機8dを設け、サイクロン8a下部にロータリーバルブ8eを設けた構成である。吸引排風機8dとしては、精白室20での吸引静圧が約500Pa(5×10−3気圧)以上となる大型の吸引ファンを採用するのが好ましい。これにより、精白室20においては、米粒表面の糠切れの向上及び米粒の温度上昇抑制の効果があり、糠回収装置8においては、排風機8d内への糠の付着防止や、ロータリーバルブ8eによる間欠的な糠排出による糠の飛散防止の効果がある。符号8fはバルブモータであり、符号8gは糠排出樋である。また、除糠サイクロン8aは、図2、図3及び図4に示すように、支点8iを支点とするサイクロンベース8kに支持されており、さらに、該サイクロンベース8kには、カバー8jから突出する回動レバー8hが設けられおり、該レバー8hを摺動することにより、除糠サイクロン8aが支点8iを中心に回動させ、ロータリーバルブ8e下方の糠排出樋8gを第一糠受袋N1直上又は第二糠受袋N2直上に移動可能な構成となっている。これにより、特別な駆動装置が不要で製造コストも安価となる。また、糠受袋N1,N2及び精品袋Sの付け替え作業の際は、糠回収装置8側に各袋N1,N2,Sが横一列に並べられた配置構成であり、作業者が移動する負担が最小限で済み、手間を要しない。 Reference numeral 37 denotes a collecting member that forms a removal chamber 38, which communicates with the collection inlet 8b of the removal cyclone 8a shown in FIG. Further, the decycling cyclone 8a shown in FIG. 4 has a configuration in which a suction exhauster 8d is provided on the exhaust pipe 8c downstream of the cyclone 8a, and a rotary valve 8e is provided in the lower part of the cyclone 8a. As the suction exhaust fan 8d, it is preferable to employ a large suction fan in which the suction static pressure in the whitening chamber 20 is about 500 Pa (5 × 10 −3 atm) or more. As a result, the whitening chamber 20 has the effect of improving the breakage of the surface of the rice grains and suppressing the temperature rise of the rice grains. In the soot recovery device 8, the soot can be prevented from adhering in the exhaust fan 8d, There is an effect of preventing the scattering of soot by intermittent soot discharge. Reference numeral 8f is a valve motor, and reference numeral 8g is a soot discharge rod. Further, as shown in FIGS. 2, 3 and 4, the removal cyclone 8a is supported by a cyclone base 8k having a fulcrum 8i as a fulcrum, and further protrudes from the cover 8j to the cyclone base 8k. A rotating lever 8h is provided, and by sliding the lever 8h, the decycling cyclone 8a rotates about the fulcrum 8i, and the soot discharge gutter 8g below the rotary valve 8e is directly above the first soot receiving bag N1. Alternatively, it is configured to be movable right above the second bag receiving bag N2. This eliminates the need for a special driving device and reduces the manufacturing cost. Further, when replacing the bag receiving bags N1, N2 and the precision bag S, the bags N1, N2, S are arranged in a horizontal row on the bag collecting device 8 side, and the burden of moving the operator Is minimal and does not require much effort.

なお、糠回収装置8には、図7に示すように、サイクロン8a下方に設置した複数の糠受袋N1,N2を覆う密閉ボックス42を設けることも可能である。これにより、糠受袋N1,N2で糠を回収する際の糠粉の舞い上がりを防止することができる。符号46は一部を透明材で形成したドアであり、符号47はドア46を閉鎖してロックするための尾錠金具(バックル)である。 In addition, as shown in FIG. 7, it is also possible to provide the closed box 42 which covers the some bag receiving bag N1, N2 installed in the downward direction of the cyclone 8a. Thereby, it is possible to prevent the soot from rising when the soot is collected by the soot-receiving bags N1 and N2. Reference numeral 46 denotes a door partially formed of a transparent material, and reference numeral 47 denotes a buckle metal (buckle) for closing and locking the door 46.

以下、上記構成における作用を説明する。石抜き精米機の利用者が原料となる玄米を玄米投入ホッパー3内に投入するとともに、あらかじめ玄米戻し樋15側に二方向切換弁13を切換え、調圧ダイヤル9を「0」にセットしておく。次いで、精米に必要な所定金額を図示しないコインタイマーに投入すると、操作パネル11が操作可能となり、この状態で運転スイッチをオンすると石抜き精米機1の各駆動部が所定時間駆動することになる。これにより、玄米投入ホッパー3内の玄米は揚穀機4により揚穀され、貯留タンク5を介して下方の精米機6に供給される。精米機6では、穀粒供給シャッター10のノブ10aを引いてシャッター10を開き、前記調圧ダイヤル9を所望の位置にセットし直す。玄米は、供給路17であらかじめ調整した流量調整シャッター22よって一定流量で安定的に送穀室18へ供給されることになる。 Hereinafter, the operation of the above configuration will be described. The user of the stone-removing rice mill puts brown rice as a raw material into the brown rice charging hopper 3, switches the two-way selector valve 13 to the brown rice return grinder 15 side in advance, and sets the pressure adjustment dial 9 to “0”. deep. Next, when a predetermined amount required for rice milling is put into a coin timer (not shown), the operation panel 11 can be operated. When the operation switch is turned on in this state, each drive unit of the stone removing rice mill 1 is driven for a predetermined time. . Thereby, the brown rice in the brown rice charging hopper 3 is cerealed by the cerealing machine 4 and supplied to the lower rice milling machine 6 through the storage tank 5. In the rice milling machine 6, the knob 10a of the grain supply shutter 10 is pulled to open the shutter 10, and the pressure adjusting dial 9 is reset to a desired position. The brown rice is stably supplied to the cerealing room 18 at a constant flow rate by the flow rate adjusting shutter 22 adjusted in advance in the supply path 17.

送穀室18へ供給された玄米は、送穀ロール19の回転作用によって精白室20に送り込まれ、この精白室20の排出口28を押圧する抵抗蓋37、及び精白室20内で回転する精白ロール21によって玄米を攪拌しながら搗精圧力をかけて糠層を除去し、精米が行われる。精白室20内で回転する精白ロール21は、毎分1800回以上の回転数で回転され、かつ、精白ロールの表面は、穀粒の移送方向とは逆方向に移送する精米突条22が形成され、しかも、精白室20での吸引静圧が500Pa以上に維持されているから、精白ロール21の高速回転により精米の高効率化を実現するとともに、逆方向にねじった精米突条22により米粒を精米室20の中間部に押し戻そうとする作用が生じ、これにより、高速回転による米粒どうしが高速で擦れ合って滑るという発熱ロスを防止し得て、さらには、精白室20での吸引静圧が高いことにより、米粒表面の糠切れ促進及び米粒の温度上昇の抑制が可能となる。 The brown rice supplied to the cerealing chamber 18 is fed into the milling chamber 20 by the rotating action of the cerealing roll 19, and the resistance lid 37 that presses the discharge port 28 of the milling chamber 20, and the whitening that rotates in the milling chamber 20. While the brown rice is stirred by the roll 21, the milling layer is removed by applying milling pressure to perform milling. The milling roll 21 rotating in the milling chamber 20 is rotated at a rotation speed of 1800 times or more per minute, and the surface of the milling roll is formed with a milled rice ridge 22 that moves in a direction opposite to the grain transfer direction. Moreover, since the suction static pressure in the milling chamber 20 is maintained at 500 Pa or higher, the milling roll 21 is rotated at a high speed to achieve high efficiency of the milled rice, and the rice grains are formed by the milling ridges 22 twisted in the opposite direction. Is caused to push back to the middle portion of the rice milling chamber 20, thereby preventing a heat loss caused by high-speed rotation causing rice grains to rub against each other at high speed, and furthermore, suction in the milling chamber 20. The high static pressure makes it possible to promote the breakage of the surface of the rice grain and to suppress the temperature rise of the rice grain.

以上の作用により、玄米は多孔壁除糠筒26にこすりつけられたり、精米突条22により米粒を押し戻して搗精されたりすることで糠層が除去されるとともに、米粒表面の溝部に詰まった微細な糠粉等も同時に吸引除去される。そして、排出口33及び精品排出樋12から取り出された米粒は、該米粒を水とともに攪拌して得られる洗米水の濁度が40ppm以下という基準の無洗米に仕上がっている。一方、精米室20で除去された糠は、除糠室38から集糠管37を介して除糠サイクロン8aに集糠された後、除糠サイクロン8a下部のロータリーバルブ8eを介して紙袋Nに回収されることになる。 As a result of the above action, the brown rice is rubbed into the porous wall removal cylinder 26 or the rice grains are pushed back and refined by the rice milling ridges 22 to remove the rice bran layer, and the fine grains clogged in the grooves on the surface of the rice grains. At the same time, soot powder is removed by suction. And the rice grain taken out from the discharge port 33 and the refined product discharge basket 12 is finished into the standard unwashed rice whose turbidity of the washed rice water obtained by stirring the rice grain with water is 40 ppm or less. On the other hand, the rice cake removed in the rice milling chamber 20 is collected from the rice removal chamber 38 through the rice collection tube 37 into the rice removal cyclone 8a, and is then placed in the paper bag N through the rotary valve 8e below the rice removal cyclone 8a. It will be collected.

洗米水の濁度とは、水と共に試料米を攪拌して得られる洗米水の濁度の測定値であり、一例をあげると、精米試料20gを三角フラスコに入れ、200mlの水を注ぎ、ゴム栓をして振とう器(ヤマト科学(株)製 形式SA−31A等)により10分間振とう(144〜150サイクル/分)する。得た洗米水50mlを10倍に希釈して濁度計(野田通信社製 型式M−204等)で3回測定する。その平均値が濁度である。 The turbidity of the washed rice water is a measured value of the turbidity of the washed rice water obtained by stirring the sample rice with water. For example, 20 g of a polished rice sample is placed in an Erlenmeyer flask, 200 ml of water is poured, and rubber is added. Cap and shake with a shaker (model SA-31A, etc., manufactured by Yamato Scientific Co., Ltd.) for 10 minutes (144 to 150 cycles / minute). The obtained 50 ml of washed rice water is diluted 10 times and measured three times with a turbidimeter (Model No. M-204 manufactured by Noda Tsushinsha). The average value is turbidity.

精米機6における搗精初期は精白室20内の圧力が低いためムラ搗きになりやすく、二方向切換弁13、玄米戻し樋15、玄米投入ホッパー3、揚穀機4、貯留タンク5を介して精米機6に返還され、再搗精されることになる。そして、例えば搗精開始から約20秒を経過して、利用者が目視により所望の白度(又は濁度)に達したと判断すれば、二方向切換弁13を石抜き機投入樋14側に切換えて石抜き作業が開始される。 Since the pressure in the milling chamber 20 is low at the initial stage of milling in the rice mill 6, the milling is likely to be uneven. It will be returned to Machine 6 and will be refined again. And, for example, when about 20 seconds have elapsed from the start of the milling, and the user judges that the desired whiteness (or turbidity) has been reached by visual observation, the two-way switching valve 13 is moved to the side of the stone remover throwing cage 14. Switching to start the stone removal work.

石抜き選別機7においては、精米機6から排出された白米又は無洗米とこれらに混入する石屑との混合粒は、石抜き機7の選別ケース7b上に供給され、白米は精品排出樋7eから排出されて紙袋Sに袋詰めされるとともに、石屑は揺り上げ側に寄せられて石抜き樋7cから排出されることになる。また、選別ケース7b上に溜まった残留米は石・残留米回収箱7eに、選別ケース7bの多孔選別板を通過した砕米は砕米回収箱7fにそれぞれ回収されることになる。 In the stone remover 7, the mixed grains of the white rice or non-washed rice discharged from the rice mill 6 and the stone waste mixed therein are supplied onto the sorting case 7 b of the stone remover 7, and the white rice is discharged from the refined rice cake. While being discharged from 7e and packed in the paper bag S, the stone chips are moved up to the rocking side and discharged from the stone punch 7c. Further, the residual rice collected on the sorting case 7b is collected in the stone / residual rice collection box 7e, and the broken rice that has passed through the porous sorting plate of the sorting case 7b is collected in the broken rice collection box 7f.

以上のように精米処理および無洗米加工処理が行われるのであるが、本発明の石抜き精米機1では、精米工程を一回通すことで砕粒が発生するおそれはほとんどなく、簡便に無洗米を製造することができる。しかも、載置台2と、玄米投入ホッパー3と、揚穀機4と、貯留タンク5と、精米機6と、石抜き機7と、除糠装置8とがコンパクトに一体化しており、スーパーや百貨店などの米の販売店舗であっても小さいスペースで設置することができる。 As described above, the rice milling process and the washing-free rice processing are performed. However, in the stone-free rice milling machine 1 of the present invention, there is almost no risk of crushed particles by passing through the rice milling process once. Can be manufactured. Moreover, the mounting table 2, the brown rice charging hopper 3, the cerealing machine 4, the storage tank 5, the rice milling machine 6, the stone removing machine 7, and the dehuller 8 are integrated in a compact manner. Even rice sales stores such as department stores can be installed in a small space.

本発明の実施形態に係る石抜き精米機を示す斜視図であるIt is a perspective view which shows the stone punching machine based on embodiment of this invention. 同石抜き精米機を別の方向から見たときの斜視図である。It is a perspective view when seeing the same stone-free rice mill from another direction. 同石抜き精米機の糠回収装置を示す斜視図である。It is a perspective view which shows the mash collection | recovery apparatus of the same stone extraction rice mill. 同石抜き精米機からカバーを取り去ったときの玄米投入ホッパー、精米機及び石抜き機等の配管を示す概略図である。It is the schematic which shows piping, such as a brown rice input hopper, a rice mill, and a stone remover, when a cover is removed from the same stone remover. 同石抜き精米機の内部構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows the internal structure of the same stone extraction rice mill. 石抜き機からカバーを取り去ったときの斜視図である。It is a perspective view when a cover is removed from the stone remover. 石抜き精米機の糠回収装置下方に設置した密閉ボックスを示す斜視図である。It is a perspective view which shows the airtight box installed in the lower part of the mash collection | recovery apparatus of a stone extraction rice mill.

符号の説明Explanation of symbols

1 石抜き精米機本体
2 載置台
3 玄米投入ホッパー
4 揚穀機
5 貯留タンク
6 精米機
7 石抜き機
8 糠回収装置
9 調圧ダイヤル
10 穀粒供給シャッター
11 操作パネル
12 精品排出樋
13 二方向切換弁
14 石抜き機投入樋
15 玄米戻し樋
16 ホッパー
17 供給路
18 送穀室
19 送穀ロール
20 精白室
21 精白ロール
22 精米突条
23 流量調整シャッター
24 横軸
25 円筒
26 多孔壁除糠筒
27 回転プーリ
28 回転用モータ
29 モータプーリ
30 ベルト
31 テンションプーリ
32 噴風溝
33 排出口
34 バネ
35 抵抗蓋
36 連結棒
37 集糠樋
38 除糠室
39 集糠管
40 供給用開口部
41 オーバーフロー樋
42 密閉ボックス
43 カバー
44 オーバーフロー用開口部
45 傾斜シュート
46 ドア
47 尾錠金具(バックル)
48 揚穀機用モータ
DESCRIPTION OF SYMBOLS 1 Stone removal rice machine main body 2 Mounting stand 3 Brown rice throwing hopper 4 Grain raising machine 5 Storage tank 6 Rice milling machine 7 Stone removal machine 8 Kashiwa recovery device 9 Pressure adjusting dial 10 Grain supply shutter 11 Operation panel 12 Refinement discharge basket 13 Two-way Switch valve 14 Stone remover throwing rod 15 Brown rice return rod 16 Hopper 17 Feeding path 18 Graining chamber 19 Graining roll 20 Milling chamber 21 Milling roll 22 Milling ridge 23 Flow rate adjusting shutter 24 Horizontal axis 25 Cylinder 26 Porous wall removal cylinder 27 Rotating pulley 28 Rotating motor 29 Motor pulley 30 Belt 31 Tension pulley 32 Blowing groove 33 Discharge port 34 Spring 35 Resistance lid 36 Connecting rod 37 Concentration 38 Removal chamber 39 Concentration tube 40 Supply opening 41 Overflow rod 42 Sealed box 43 Cover 44 Overflow opening 45 Inclined chute 46 Door 47 Buckle bracket (buckle)
48 Motor for cereal machine

Claims (1)

玄米を搗精する精米機(6)と、搗精された米粒中に混入する異物を選別・除去する石抜き機(7)とを、機体中央で上下に位置するようそれぞれを配設するとともに、該精米機(6)及び石抜き機(7)で構成される機体中央一側部には、前記精米機(6)に玄米を供給する揚穀機(4)を立設する一方、該揚穀機(4)下部の前面壁(4a)側に玄米投入ホッパー(3)を設け、さらに、前記機体中央他側部には、前記精米機(6)で発生した糠を回収する糠回収装置(8)を配設した石抜き精米機であって、
前記糠回収装置(8)は、前記精米機(6)で発生する糠を吸引する単一のサイクロン(8a)と、該サイクロン(8a)の下部に設けた排出装置(8e)と、該排出装置(8e)を、前記サイクロン(8a)下方に設置した複数の糠受袋(N1,N2)直上に移動させる移動機構(8h,8i,8k)とを備えており、
前記石抜き機(7)は、内部に送風ファンが内装された箱形の機枠(7a)と、該機枠(7a)に対して揺動可能に支持された選別ケース(7c)とを備え、該選別ケース(7c)の揺り下げ側に設けた精品排出樋(7e)が、前記糠回収装置(8)と隣り合うように設置し、
該精品排出樋(7e)下方に設置した精品袋(S)が、前記サイクロン(8a)下方に設置した複数の糠受袋(N1,N2)と横一列に並べられる配置構成としたことを特徴とする石抜き精米機。
A rice milling machine (6) for scouring brown rice and a stone remover (7) for sorting and removing foreign matter mixed in the milled rice grains are arranged so that they are positioned vertically in the center of the machine body, On one side of the machine body composed of the rice milling machine (6) and the stone removing machine (7), a cerealing machine (4) for supplying brown rice to the rice milling machine (6) is erected. Machine (4) A brown rice throwing hopper (3) is provided on the front wall (4a) side of the lower part of the machine (4), and a rice cake collecting device (3) for collecting rice cake generated in the rice mill (6) on the other side of the machine body 8) a stone-removing rice mill equipped with
The rice bran recovery device (8) includes a single cyclone (8a) for sucking rice generated in the rice mill (6), a discharge device (8e) provided at the lower part of the cyclone (8a), and the discharge A moving mechanism (8h, 8i, 8k) for moving the device (8e) directly above the plurality of baskets (N1, N2) installed below the cyclone (8a);
The stone remover (7) includes a box-shaped machine frame (7a) having a blower fan inside, and a sorting case (7c) supported to be swingable with respect to the machine frame (7a). A fine product discharge basket (7e) provided on the swinging side of the sorting case (7c) is installed adjacent to the basket collection device (8),
The refined bag (S) installed below the refined product discharge basket (7e) is arranged to be arranged in a horizontal row with a plurality of baskets (N1, N2) installed below the cyclone (8a). A stone-free rice milling machine.
JP2007259740A 2007-10-03 2007-10-03 Stone drilling machine Expired - Fee Related JP4888321B2 (en)

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