JP4883419B2 - Vertical grain mill - Google Patents

Vertical grain mill Download PDF

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JP4883419B2
JP4883419B2 JP2008114359A JP2008114359A JP4883419B2 JP 4883419 B2 JP4883419 B2 JP 4883419B2 JP 2008114359 A JP2008114359 A JP 2008114359A JP 2008114359 A JP2008114359 A JP 2008114359A JP 4883419 B2 JP4883419 B2 JP 4883419B2
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grain
machine
main body
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refined
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祥二 藤岡
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Satake Corp
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Description

本発明は、とうもろこし等の穀粒を原料としてコーンエタノール燃料を生産するための前処理機として使用する竪型精穀機に関するものであり、特に、大きなサイズ(例えば、径が6mm〜10mm)の胚乳の産物を増加させるために好適な機械である。   The present invention relates to a vertical grain refiner that is used as a pretreatment machine for producing corn ethanol fuel using corn or the like as a raw material, and in particular, has a large size (for example, a diameter of 6 mm to 10 mm). It is a suitable machine for increasing the endosperm product.

従来、とうもろこしを利用する工業には、食品工業、飼料工業、醸造工業、澱粉工業など多数知られており、近年では、とうもろこし等の穀粒を原料としてコーンエタノール燃料を生産するための工業も知られている。この種の工業に利用されるとうもろこしは、前処理を行って、外皮及び胚芽を分離して良質な胚乳を得ることが重要である。   Conventionally, many industries such as food industry, feed industry, brewing industry and starch industry are known as corn-based industries. In recent years, the industry for producing corn ethanol fuel from corn and other grains is also known. It has been. It is important that corn used in this type of industry is pretreated to separate the outer skin and germ to obtain a good endosperm.

前処理機としては竪型精穀機が知られており、典型的な構成として、立設した除糠精穀筒(スクリーン)内に回転可能に設けた主軸に、攪拌ロール及び上送螺旋ロールを軸装するとともに、前記除糠精穀筒の下部を穀粒供給部、上部を穀粒排出部にそれぞれ形成し、除糠精穀筒外側と機枠との空間を集糠室に形成している(特許文献1の図1の符号3に示す第2胚芽除去部を参照のこと。)。そして、とうもろこしを搗精する際、除糠精穀筒内を回転する攪拌ロールによりとうもろこし粒の外皮が剥離され、この剥離された外皮がスリット状の網目から漏出して集糠室に至り、該集糠室では外皮などの糠が吸引ダクトの吸引風によって機外に排出される。一方、除糠精穀筒内では外皮が除去され、残った胚乳部が粉砕されながら抵抗蓋に抗して穀粒排出樋に至り、該穀粒排出樋を流下して機外に排出されることになる。   As a pre-processing machine, a vertical mill is known. As a typical configuration, a stirring roll and an upper feed spiral roll are provided on a main shaft that is rotatably provided in a standing milling screen (screen). The lower part of the dehulling cereal cylinder is formed in the grain supply part, and the upper part is formed in the grain discharging part, and the space between the outer side of the dehulling cereal cylinder and the machine frame is formed in the collecting chamber. (Refer to the second germ removal unit indicated by reference numeral 3 in FIG. 1 of Patent Document 1). Then, when scouring the corn, the outer shell of the corn grains is peeled off by the stirring roll rotating in the dehulled cereal cylinder, and the peeled outer shell leaks out from the slit-like mesh and reaches the collecting chamber. In the cage, soot such as the outer skin is discharged out of the machine by the suction air from the suction duct. On the other hand, the outer skin is removed in the demineralized cereal cylinder, and the remaining endosperm part is crushed to reach the grain discharge pod against the resistance lid, and flows down the grain shed and discharged out of the machine It will be.

上記竪型精穀機は、除糠精穀筒内で剥離された外皮が吸引風によって機外に排出される構成であるが、糠掻き出し翼を集糠室の底部に位置させ、主軸の回転に伴い糠掻き出し翼を回転させることで、集糠室底部が間欠的に掃塵される手段も知られている(例えば、特許文献2の符号66
糠吸引翼を参照のこと)。このような糠掻き出し翼及び吸引ダクトからの吸引風による集糠機構の詳細を、図8を参照して詳細に説明する。図8は、従来の竪型精穀機100の概略の構成図であり、台座102上の円筒型ケーシング101内に、回転可能に回転軸103を立設し、該回転軸103には下部に上送螺旋104を軸着するとともに、該回転軸103の上部に攪拌転子105をそれぞれ軸着する。そして、攪拌転子105の外周を同心状に包囲する除糠筒106を立設し、該除糠筒106と攪拌転子105との間隙(げき)を精白室107に形成してある。攪拌転子105表面の長手方向には長尺状の攪拌バー105aを形成するとともに、攪拌バー105aに沿って噴風孔(図示せず)を開口してあり、中空状の回転軸103からの噴風が、噴風孔を介して精白室107に流通する構成となっている。また、除糠筒106と円筒型ケーシング101との間隙を集糠室108となし、該集糠室108の集糠室108の底部には、回転軸103から連繋する糠掻き出し翼109を位置させ、集糠室108底部を間欠的に掃塵する構成となっている。さらに、集糠室108には、吸引ダクト110が連通され、該吸引ダクト110の吸引風により、糠掻き出し翼109によって集糠された糠が機外に排出されることになる。
The above vertical milling machine has a structure in which the peel peeled off in the dehulling cereal cylinder is discharged out of the machine by suction air, but the scraper blade is positioned at the bottom of the collecting chamber and the spindle rotates. Accordingly, there is also known a means for intermittently scavenging the bottom of the collecting chamber by rotating the scraping blade (for example, reference numeral 66 in Patent Document 2).
(See 糠 Suction Wings). The details of the collecting mechanism by the suction air from the wing scraping blade and the suction duct will be described in detail with reference to FIG. FIG. 8 is a schematic configuration diagram of a conventional vertical cereal mill 100, in which a rotary shaft 103 is erected in a cylindrical casing 101 on a pedestal 102 so as to be rotatable. The upper feed spiral 104 is axially attached, and the stirring trochanter 105 is axially attached to the upper part of the rotary shaft 103. A removal cylinder 106 that concentrically surrounds the outer periphery of the stirring trochanter 105 is erected, and a gap between the removal cylinder 106 and the stirring trochanter 105 is formed in the whitening chamber 107. A long stirring bar 105 a is formed in the longitudinal direction of the surface of the stirring trochanter 105, and a jet hole (not shown) is opened along the stirring bar 105 a, The fountain is configured to circulate to the whitening chamber 107 through the blast holes. Further, a gap between the removal cylinder 106 and the cylindrical casing 101 is formed as a collection chamber 108, and a scraping blade 109 connected to the rotation shaft 103 is positioned at the bottom of the collection chamber 108 of the collection chamber 108. The bottom of the collecting chamber 108 is intermittently dusted. Further, a suction duct 110 communicates with the collecting chamber 108, and the soot collected by the scooping blade 109 is discharged out of the machine by the suction air of the suction duct 110.

符号111は精品排出部であり、該精品排出部111には、穀粒の吐出を規制して搗精度合いを調節する抵抗調節装置112を設けてあり、該抵抗調節装置112には抵抗板113を連結して設けている。さらに、精品排出部111には精品穀粒を機外に取り出せるように排出樋114を接続する。   Reference numeral 111 denotes a fine product discharge unit. The fine product discharge unit 111 is provided with a resistance adjustment device 112 that regulates the discharge of grains and adjusts the accuracy of the wrinkle. The resistance adjustment device 112 is provided with a resistance plate 113. They are connected. Further, a discharge basket 114 is connected to the refined product discharge unit 111 so that the refined grain can be taken out of the apparatus.

次に、上記構成の作用を説明する。穀粒供給口から投入されたとうもろこし粒は、まず、上送螺旋104の底部に供給されて立設された精白室107に上送され、該精白室104内で高速に回転する攪拌転子105によって、とうもろこしの表皮部(先端帽部(Cap)、果皮(Pericarp)及び外種皮(Testa))が直ちに剥離され、胚乳部が剥き出しにされる。剥離された表皮部は糠分となり、除糠筒106のスリット状の網目から漏出して集糠室108底部に落下し、糠掻き出し翼109により間欠的に掃塵されて集糠された後、吸引ダクト110の吸引風によって機外に排出される。一方、除糠精穀筒106内の胚乳部は、砕けやすい性質を持っており、高速に回転する攪拌転子105によって粉砕されて胚乳部の内方中心部の胚芽が摘出され、粉砕された胚乳部とともに抵抗板113に抗して流出し、排出樋114を経て機外に排出されることになる。   Next, the operation of the above configuration will be described. The corn grains introduced from the grain supply port are first fed to the whitening chamber 107 which is supplied to the bottom of the upper feed spiral 104 and is erected, and is stirred at a high speed in the whitening chamber 104. The corn epidermis (tip cap (Cap), pericarp, and outer seed coat (Testa)) is immediately peeled off, and the endosperm is exposed. The peeled skin portion is apportioned, leaks from the slit-shaped mesh of the debris removal cylinder 106 and falls to the bottom of the collection chamber 108, and is intermittently scavenged by the scraping blade 109 and collected. It is discharged out of the machine by the suction air of the suction duct 110. On the other hand, the endosperm portion in the dehulled cereal cylinder 106 has a property of being easily crushed, and is crushed by the stirring trochanter 105 that rotates at high speed, and the germ in the inner central portion of the endosperm portion is extracted and crushed. It flows out against the resistance plate 113 together with the endosperm, and is discharged out of the machine through the discharge rod 114.

上述の図8に示す精穀機にあっては、抵抗板113により精白室107内が高圧となっているから、とうもろこし粒どうしの粒々摩擦によってとうもろこしの表皮部を剥離することに主に動力が消費される。そして、排出樋114から排出される胚乳や胚芽は、粒々摩擦によって小さく破砕されてしまい、胚乳及び胚芽できるだけ原形をとどめたまま回収することに難点があった。胚乳及び胚芽をできるだけ原形をとどめたまま回収することは、後工程に設けられるアスピレータ、シフター等による胚乳の取り分けに係る精選効率を向上させることや、胚芽に含まれる有用成分を破壊することなく付加価値の高い胚芽を提供するために有利となる。   In the grain refiner shown in FIG. 8 described above, since the inside of the whitening chamber 107 is at a high pressure by the resistance plate 113, the main power is to peel the corn skin part by the friction between the corn grains. Is consumed. And the endosperm and embryo discharged | emitted from the discharge rod 114 will be crushed small by a particle friction, and there existed a difficulty in collect | recovering with the endosperm and embryo remaining as the original form as much as possible. Recovering endosperm and germs while keeping the original shape as much as possible is added without improving the selection efficiency related to the separation of endosperm by an aspirator, shifter, etc. provided in the subsequent process or destroying useful components contained in the germ It is advantageous to provide a high value germ.

特開2002-126544号公報JP 2002-126544 A 特公平6-674856-67485

本発明は上記問題点にかんがみ、とうもろこしの表皮、胚乳及び胚芽をできるだけ原形をとどめたまま回収して、後工程の精選工程において容易に取り分けが可能となる竪型精穀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 provides a corn type cereal machine that collects corn epidermis, endosperm, and germs while retaining their original shapes as much as possible, and can be easily separated in a subsequent selection process. Technical issue.

上記課題を解決するため請求項1記載の発明は、立設した除糠精穀筒内に回転可能に設けた主軸に、攪拌ロール及び上送式螺旋ロールを軸装するとともに、前記除糠精穀筒の下部を穀粒供給部、上部を穀粒排出部にそれぞれ形成し、さらに、前記攪拌ロールと前記除糠精穀筒との間隙を精白室、除糠精穀筒と円筒型ケーシングとの間隙を集糠室にそれぞれ形成した竪型精穀機であって、前記攪拌ロールは、外周面に該攪拌ロールとほぼ同じ長さを有する棒状抵抗部材を複数本固着するとともに、多数の抵抗角柱をロール表面に散りばめて固着してなり、前記除糠精穀筒は、多角形状の除糠精穀網によって形成され、該多角形状の除糠精穀網の全ての面に円形の打ち抜き孔が多数穿設してあり、前記集糠室底部に配置される複数の糠掻き出し羽根を介して精品穀粒を機外に排出すべく、前記穀粒排出部には、精品穀粒を前記集糠室底部に落下させるための落下樋を接続する一方、該落下樋には、穀粒の吐出を規制して搗精度合いを調節する抵抗調節装置を設ける、という技術的手段を講じた。   In order to solve the above-mentioned problem, the invention described in claim 1 is characterized in that a stirring roll and an upper feed type spiral roll are mounted on a main shaft rotatably provided in an uprighted dehulling grain, and the dehulling A lower part of the grain cylinder is formed in the grain supply part, and an upper part is formed in the grain discharge part. Each of which is formed in a collecting chamber, wherein the stirring roll is fixed to a plurality of rod-like resistance members having substantially the same length as the stirring roll on the outer circumferential surface, and a plurality of resistances. A prism is scattered and fixed on the surface of the roll, and the dehulled cereal cylinder is formed by a polygonal-shaped demineralized cereal net, and circular punched holes are formed on all sides of the polygonal demineralized cereal net. A plurality of punched feathers arranged at the bottom of the collecting chamber In order to discharge the refined grain through the machine, the grain discharging unit is connected to a falling trough for dropping the refined grain to the bottom of the collecting chamber, Technical measures were taken to provide a resistance adjustment device that regulates the accuracy of wrinkles by regulating the discharge of grains.

また、請求項2記載の発明は、前記集糠室底部には、その一部に糠排出口を穿設するとともに、該糠排出口に排糠ダクトが連通され、前記集糠室底部に配置した複数の糠掻き出し羽根の回転による掻き出しによって精品穀粒及び糠を機外に排出することを特徴とする。   According to a second aspect of the present invention, the bottom of the collecting chamber is provided with a soot discharge port at a part thereof, and a discharge duct is communicated with the soot discharge port, and is disposed at the bottom of the collecting chamber. The refined grains and straw are discharged out of the machine by scraping by rotation of the plurality of straw scraping blades.

さらに、請求項3記載の発明は、前記集糠室底部と連通する排糠ダクトの下流側には、さらに精品アスピレータを接続することを特徴とする。   Furthermore, the invention described in claim 3 is characterized in that a refined aspirator is further connected to the downstream side of the evacuation duct communicating with the bottom of the collecting chamber.

そして、請求項4記載の発明は、前記精品アスピレータは、略四角筒状の本体と、該本体の下部に接続される漏斗状のホッパー部とから構成され、前記本体の一側壁には、前記排糠ダクトと接続する供給口を穿設するとともに、前記本体上部の角部には、前記本体内を負圧に保つ吸引機と連通するための吸引口を穿設し、さらに、前記本体内部には、前記供給口から供給される精品穀粒の落下衝撃を緩和するための緩衝板を設けることを特徴とする。   According to a fourth aspect of the present invention, the refined aspirator includes a substantially rectangular tube-shaped main body and a funnel-shaped hopper portion connected to a lower portion of the main body. A supply port connected to the exhaust duct is drilled, and a suction port for communicating with a suction machine that keeps the inside of the main body at a negative pressure is drilled in a corner portion of the main body. Is provided with a buffer plate for reducing a drop impact of the refined grain supplied from the supply port.

請求項5記載の発明では、前記多角形状の除糠精穀網に穿設される多数の円形の打ち抜き孔は、その径の大きさを6〜10mmに設定することを特徴とする。   The invention according to claim 5 is characterized in that the number of circular punched holes drilled in the polygonal shaped grain-removed grain is set to 6 to 10 mm in diameter.

請求項1記載の発明によれば、精白室に供給されたとうもろこし粒が、高速に回転する攪拌ロールにより、棒状抵抗部材及び抵抗角柱による打ち付け衝撃、とうもろこし粒同士の衝突による衝撃、及び除糠精穀網内壁に押し付けられる摩擦により、とうもろこし粒表面の外皮が剥離される。剥離された外皮は糠分となり、とうもろこし粒の粒径よりも小さな打ち抜き孔が形成された除糠精穀網を漏出して集糠室底部に落下する。そして、外皮が剥離された胚乳は、砕けやすい性質を持っているため、低圧状態の精白室内において攪拌ロールを回転させ、大きく割砕して胚乳部の内方の胚芽を摘出する。胚芽及び大きく割砕された胚乳は穀粒排出部に至り、抵抗調節装置に抗して流出した後、落下樋を経て集糠室底部に落下する。集糠室底部に溜まった胚乳や胚芽は、過度の粒々摩擦を受けていないために、小さく破砕されず、できるだけ原形をとどめたまま回収することが可能となる。  According to the first aspect of the present invention, the corn grains supplied to the whitening chamber are struck by a rod-shaped resistance member and a resistance prism, by the stirring roll rotating at high speed, the impact caused by the collision between corn grains, The outer shell on the surface of the corn grain is peeled off by friction pressed against the inner wall of the grain net. The peeled skin becomes apportioned, leaks out the dehulled grain net with punch holes smaller than the grain size of the corn grains, and falls to the bottom of the collecting chamber. Since the endosperm from which the outer skin has been peeled has a property of being easily crushed, the agitation roll is rotated in a low-pressure whitening chamber, and it is largely broken to extract the inner germ of the endosperm portion. The germ and the large-broken endosperm reach the grain discharge part, flow out against the resistance control device, and then fall to the bottom of the collecting chamber through a dropper. Since the endosperm and germ collected at the bottom of the collecting chamber are not subjected to excessive grain friction, they are not crushed small and can be recovered while keeping the original form as much as possible.

請求項2記載の発明によれば、集糠室底部に落下した外皮、胚芽及び胚乳からなる混合物を、複数の糠掻き出し羽根によって間欠的に掃塵し、機外に排出することが可能となる。これにより、外皮、胚芽及び胚乳をできるだけ原形をとどめたまま回収可能となり、後工程に設けられるアスピレータ、シフター等の設置を最小限にとどめて、胚乳の取り分けに係る精選効率を向上させることが可能となる。さらに、原形をととどめた胚芽は、胚芽に含まれる有用成分を破壊することがなく、付加価値の高い胚芽を提供するために有利となる。  According to the invention described in claim 2, it becomes possible to intermittently scavenge the mixture consisting of the outer skin, germ and endosperm that has fallen to the bottom of the collecting chamber with a plurality of straw scraping blades, and discharge it to the outside of the machine. . As a result, the outer skin, germ and endosperm can be recovered while keeping the original shape as much as possible, and it is possible to minimize the installation of the aspirator, shifter, etc. provided in the post-process and improve the selection efficiency related to the separation of endosperm It becomes. Furthermore, the germ that has remained in its original form is advantageous for providing a high-value-added germ without destroying useful components contained in the germ.

さらに、請求項3記載の発明は、前記集糠室底部と連通する排糠ダクトの下流側に、さらに精品アスピレータを接続しているので、吸引式の気流によって外皮が選別/除去されて純化され、精品排出シュートから落下する胚芽及び大きく割砕された胚乳などの精品穀粒を取り出すことが可能となり、別途にアスピレータなどの純化設備を設ける必要がない。  Further, in the invention described in claim 3, since a refined aspirator is further connected to the downstream side of the evacuation duct communicating with the bottom of the collecting chamber, the outer skin is sorted / removed and purified by the suction type air flow. Then, it becomes possible to take out the fine grains such as the germ falling from the fine product discharge chute and the large cracked endosperm, and there is no need to provide a separate purification facility such as an aspirator.

また、請求項4記載の発明は、精品アスピレータが略四角筒状の本体と、該本体の下部に接続される漏斗状のホッパー部とから構成され、前記本体の一側壁には、前記排糠ダクトと接続する供給口を穿設するとともに、前記本体上部の角部には、前記本体内を負圧に保つ吸引機と連通するための吸引口を穿設し、さらに、前記本体内部には、前記供給口から供給される精品穀粒の落下衝撃を緩和するための緩衝板を設けているから、外皮、糠などの比重が軽い微細な粉塵は吸引ファンなどの吸引力によって吸引口に取り込まれ、胚芽及び大きく割砕された胚乳などの比重の重い精品穀粒は緩衝板に衝突した後、自重により沈降して精品排出シュートから取り出され、外皮、糠などの比重が軽い微細な粉塵が選別/除去され、簡易的な装置によって純化が可能となる。  According to a fourth aspect of the present invention, the refined aspirator is composed of a substantially rectangular tube-shaped main body and a funnel-shaped hopper connected to the lower portion of the main body, A supply port connected to the duct is drilled, and a suction port for communicating with a suction machine that keeps the inside of the main body at a negative pressure is drilled in a corner portion of the main body. Since a shock absorbing plate is provided to alleviate the drop impact of the refined grain supplied from the supply port, fine dust such as hulls and straws is taken into the suction port by the suction force of a suction fan or the like. Fine grains such as germ and heavily broken endosperm collide with the buffer plate, and then settle by their own weight and are taken out from the fine product discharge chute, and fine dust with light specific gravity such as hulls and straws. Sorted / removed by simple equipment Purification Te becomes possible.

請求項5記載の発明は、前記多角形状の除糠精穀網に穿設される多数の円形の打ち抜き孔を、その径の大きさを6〜10mmに設定したものであり、従来技術のように、網目がスリット状の除糠筒と比較して精白室内が高圧となることがなく、動力の消費を低減しながら容易にとうもろこし粒の外皮を剥離することができる。また、とうもろこし粒が小さく破砕されることがなく、胚乳及び胚芽をできるだけ原形をとどめたまま回収することが可能となる。  The invention according to claim 5 is a large number of circular punched holes drilled in the polygonal shaped grain-removed grain, and the diameter is set to 6 to 10 mm. In addition, the whitening chamber does not become high pressure as compared with the slit-shaped scissors, and the corn hulls can be easily peeled off while reducing power consumption. In addition, the corn grains are not crushed into small pieces, and the endosperm and germ can be recovered while keeping the original form as much as possible.

以下、本発明を実施するための最良の一実施形態について図面を参照して説明する。図1は本発明の竪型精穀機の全体の構成を示す斜視図であり、図2は図1の矢視A方向から見た竪型精穀機の正面図であり、図3は図1の矢視B−B’方向で破断したときの内部構成を示す概略縦断面図である。  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, an exemplary embodiment for carrying out the invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the overall configuration of the vertical cereal machine of the present invention, FIG. 2 is a front view of the vertical cereal machine viewed from the direction of arrow A in FIG. 1, and FIG. It is a schematic longitudinal cross-sectional view which shows an internal structure when it fractures | ruptures in 1 arrow BB 'direction.

図1乃至図3で示すように、竪型精穀機1は、台座2上に立設した穀粒の供給部となる円筒状機枠3と、該円筒状機枠3に連設した搗精部となる円筒型ケーシング4とにより形成され、全体的な外観がほぼ円筒状の様相となっている。前記円筒状機枠3及び円筒型ケーシング4内には、下部軸受5、上部軸受6及び下端に軸着したプーリ33により回転可能に回転軸7を立設し、該回転軸7の中間部には、穀粒を上送するための上送螺旋8を軸着するとともに、該回転軸7の上部に攪拌転子9をそれぞれ軸着する。そして、攪拌転子9の外周を同心状に包囲する除糠筒10を立設し、該除糠筒10と攪拌転子9との間隙(げき)を精白室11に形成してある。  As shown in FIG. 1 to FIG. 3, the vertical milling machine 1 includes a cylindrical machine frame 3 serving as a grain supply unit erected on a pedestal 2, and a milling machine connected to the cylindrical machine frame 3. It is formed by a cylindrical casing 4 as a part, and the overall appearance is almost cylindrical. In the cylindrical machine casing 3 and the cylindrical casing 4, a rotating shaft 7 is erected so as to be rotatable by a lower bearing 5, an upper bearing 6, and a pulley 33 pivotally attached to the lower end. Axially attaches an upper feed spiral 8 for feeding the grain, and agitating trochanters 9 are axially attached to the upper part of the rotary shaft 7, respectively. A removal cylinder 10 that concentrically surrounds the outer periphery of the stirring trochanter 9 is provided upright, and a gap between the removal cylinder 10 and the stirring trochanter 9 is formed in the whitening chamber 11.

前記攪拌転子9の形状は、図4に示すように、鉄製のロール本体9aの外周面に該ロール本体9aとほぼ同じ長さ(高さ)の棒状抵抗部材9b…を複数本固着するとともに、一辺が約16mm、高さが約10mmの矩形柱からなる多数の抵抗角柱9c…を前記ロール本体9a表面に千鳥状に配置し、ロール本体の内側からボルトによって固着したものである。前記多数の抵抗角柱9c…は連結部材9dによってゲタ状に5個一組に形成し、ロール本体9aの長さ(高さ)方向に列状に固着すると、抵抗角柱9c…のボルトによる取り付け作業や交換作業の作業時間が短縮されるとともに、抵抗角柱9c…の取り付け後のボルトの緩みも少なく、また、抵抗角柱9c…の回転方向側が磨耗した場合に、取り付け方向を逆にすれば、耐久時間が延びるといった作用・効果が期待できる。  As shown in FIG. 4, the stirring trochanter 9 has a plurality of rod-like resistance members 9b having a length (height) substantially the same as that of the roll body 9a fixed to the outer peripheral surface of the iron roll body 9a. A large number of rectangular prisms 9c each having a side of about 16 mm and a height of about 10 mm are arranged in a staggered manner on the surface of the roll body 9a, and are secured by bolts from the inside of the roll body. The plurality of resistance prisms 9c... Are formed in a set of five by the connecting member 9d and fixed in a row in the length (height) direction of the roll body 9a. And the work time for replacement work is shortened, the bolts are less loose after the resistance prisms 9c are attached, and if the direction of rotation of the resistance prisms 9c is worn, the installation direction can be reversed. The action and effect that time is extended can be expected.

前記除糠筒10の形状は、図5に示すように、長さ(高さ)方向が約646mm、外径が約280mmの多角形に形成されており、精品排出口と連絡する切欠部12側の除糠網13aと、その対向側の除糠網13bと、該除糠網13a,13bを外側から包囲する外側挟持枠14とによって構成される。そして、外側挟持枠14によって複数の除糠網13a,13bを接合するとともに、その下端部14aを、上送螺旋8(図3参照)を包囲する供給筒部15上に固着することで、除糠筒10が立設されることになる。前記除糠網13a,13bには、径が約9mmの円形の打ち抜き孔16…が多数列状に穿設してあり、その列は、除糠網13a,13bの上端から下端まで、多角状の全ての面に設けられるが、除糠網13a,13bの接合面13cには設けられていない。打ち抜き孔の径は、9mmより小さくてもよく(例えば、7mm)、理想的には、6mm〜10mmの範囲がよい。  As shown in FIG. 5, the shape of the removal cylinder 10 is formed in a polygonal shape having a length (height) direction of about 646 mm and an outer diameter of about 280 mm. It is comprised by the side demolition net | network 13a, the demolition net | network 13b of the opposite side, and the outer side holding frame 14 which surrounds this demolition net | network 13a, 13b from the outer side. Then, the plurality of debris nets 13a and 13b are joined by the outer holding frame 14, and the lower end portion 14a is fixed on the supply cylinder portion 15 surrounding the upper feed spiral 8 (see FIG. 3), thereby removing the mesh. The soot cylinder 10 is erected. A plurality of circular punching holes 16 having a diameter of about 9 mm are formed in a row in the debris nets 13a and 13b, and the rows are polygonal from the upper end to the lower end of the debris nets 13a and 13b. However, it is not provided on the joint surface 13c of the debonding nets 13a and 13b. The diameter of the punched hole may be smaller than 9 mm (for example, 7 mm), and ideally it is in the range of 6 mm to 10 mm.

除糠網13a,13bには、従来と同様、網内面の内角部に複数の抵抗バー17…が取り付けられており、図5に示す実施形態では、除糠網13bの内角部に、回転軸方向に沿って、短い抵抗バー17aと、長い抵抗バー17bとを一列に取り付けている。なお、除糠網13a,13bの下端を、符号13d,13dのように回転軸方向に対して分割可能に形成してもよく、これにより、除糠網13a,13bの特に摩耗が激しい一部の除糠網13d,13dのみを交換して、交換部品の費用を低額に抑えることができるように形成してもよい。  As in the prior art, a plurality of resistance bars 17 are attached to the inner corners of the inner surface of the meshes 13a and 13b. In the embodiment shown in FIG. Along the direction, a short resistance bar 17a and a long resistance bar 17b are attached in a line. It should be noted that the lower ends of the debris nets 13a and 13b may be formed so as to be separable with respect to the rotation axis direction as indicated by reference numerals 13d and 13d. It is also possible to replace only the stripping nets 13d and 13d so that the cost of replacement parts can be kept low.

さらに、図1乃至図3を参照して竪型精穀機1の全体構成について説明すると、前記精白室11上部の、除糠網13aの切欠部12には精品排出口18を形成し、該精品排出口18には、従来技術のように、精品を竪型精穀機1の機外に排出するための、傾斜状に機外まで延びる排出シュートを接続するのではなく、精品をそのまま除糠室25に落下させるための、落下樋19が設けてある。そして、前記精品排出口18及び落下樋19には、穀粒の吐出を規制して搗精度合いを調節する抵抗調節装置20を設けてある。該抵抗調節装置20は、円筒型ケーシング4上部に横架した横軸21と、該横軸21に固着した分銅レバー22と、該分銅レバー22の一端に枢着した精品排出口18に対峙する抵抗板23と、前記分銅レバー22の他端側に移動可能に装着した分銅24とから構成される。  1 to FIG. 3, the overall structure of the vertical milling machine 1 will be described. A refined product discharge port 18 is formed in the notch 12 of the dehulling net 13 a at the upper part of the whitening chamber 11, The refined product outlet 18 is not connected to a discharge chute extending to the outside of the machine for discharging the refined product out of the vertical cereal machine 1 as in the prior art, but the refined product is removed as it is. A drop cage 19 is provided for dropping into the cage chamber 25. The refined product outlet 18 and the drop jar 19 are provided with a resistance adjusting device 20 that regulates the accuracy of the cocoon by regulating the discharge of the grains. The resistance adjusting device 20 is opposed to a horizontal shaft 21 laid horizontally on the upper part of the cylindrical casing 4, a weight lever 22 fixed to the horizontal shaft 21, and a fine product discharge port 18 pivotally attached to one end of the weight lever 22. The resistor plate 23 and a weight 24 movably mounted on the other end side of the weight lever 22 are configured.

符号25は、円筒型ケーシング4と除糠筒10との間隙に形成される除糠室であり、該除糠室25上部には、前記除糠筒10から漏出する皮と、前記精品排出口18から抵抗板23に抗して落下する胚乳及び胚芽とを分離するための、分離板39が前記落下樋19から垂設されている。一方、前記除糠室25の下方には、前記円筒状機枠3と供給筒部15との間隙に形成される環状の集糠室26が形成される。この集糠室26には、回転軸7に固着した羽根取付筒27の外周面に複数のかき出し羽根28が設けられ、集糠室26の底面を掃塵する構成となっている。そして、前記集糠室26の一部には糠排出口29を穿設するとともに、該糠排出口29に排糠ダクト30を接続し、排糠ダクト30の終端は精品アスピレータ31の供給口に接続される。符号32は精品アスピレータ31の上部に設けられる吸引ダクトであり、符号40は精品アスピレータ31の下部に設けられる精品排出シュートである。  Reference numeral 25 denotes a removal chamber formed in the gap between the cylindrical casing 4 and the removal cylinder 10. The upper portion of the removal chamber 25 has a skin leaking from the removal cylinder 10 and the refined product outlet. A separation plate 39 for separating the endosperm and germs falling from 18 against the resistance plate 23 is suspended from the dropping bowl 19. On the other hand, an annular collecting chamber 26 formed in the gap between the cylindrical machine casing 3 and the supply cylinder portion 15 is formed below the removal chamber 25. In the collecting chamber 26, a plurality of scraping blades 28 are provided on the outer peripheral surface of the blade mounting cylinder 27 fixed to the rotating shaft 7, and the bottom surface of the collecting chamber 26 is cleaned. Further, a soot discharge port 29 is formed in a part of the collecting chamber 26, and an exhaust duct 30 is connected to the soot discharge port 29, and the end of the exhaust duct 30 is connected to the supply port of the fine product aspirator 31. Connected. Reference numeral 32 denotes a suction duct provided at the upper portion of the fine product aspirator 31, and reference numeral 40 denotes a fine product discharge chute provided at the lower portion of the fine product aspirator 31.

符号34は、供給筒部15の底部に臨ませる穀粒供給装置であり、該穀粒供給装置34は、コンベアケース35内に横設した螺旋コンベア36によって構成され、螺旋コンベア36の軸端に軸着したプーリ37の回転によって穀粒供給口38に投入した穀粒を竪型精穀機1に供給することができる。  Reference numeral 34 denotes a grain supply device that faces the bottom of the supply cylinder portion 15, and the grain supply device 34 is configured by a spiral conveyor 36 that is provided horizontally in the conveyor case 35. The grain thrown into the grain supply port 38 by the rotation of the pulley 37 attached to the shaft can be supplied to the vertical grain mill 1.

次に、前記精品アスピレータ31の構造について図3及び図6を参照して説明する。精品アスピレータ31は略四角筒状の本体41と、該本体41の下部に接続される漏斗状のホッパー部42とから構成され、本体41の一側壁には、排糠ダクト30終端を接続する供給口43が穿設され、対向する他側壁には点検用開口44a及びサンプル精品を観察するための観察窓44bがそれぞれ設けられる。一方、四角筒状の本体41の角部を截断した箇所には、前記吸引ダクト32と連通する吸引口45を設け、該吸引口45下部には、外気を取り入れるニ次空気取り入れ孔46…が設けられている。そして、四角筒状の本体41内には、該本体41内を縦方向に二分するように、前記供給口43から供給される精品穀粒の落下衝撃を緩衝する緩衝板47が設けられる。  Next, the structure of the fine product aspirator 31 will be described with reference to FIGS. The refined aspirator 31 is composed of a substantially rectangular tube-shaped main body 41 and a funnel-shaped hopper portion 42 connected to the lower portion of the main body 41, and one side wall of the main body 41 is connected to the end of the discharge duct 30. An opening 43 is formed, and an inspection opening 44a and an observation window 44b for observing the sample sample are provided on the opposite side walls. On the other hand, a suction port 45 communicating with the suction duct 32 is provided at a location where the corner portion of the rectangular tube-shaped main body 41 is cut, and secondary air intake holes 46 for taking in outside air are provided at the lower portion of the suction port 45. Is provided. A buffer plate 47 for buffering the drop impact of the refined grain supplied from the supply port 43 is provided in the rectangular tubular main body 41 so as to bisect the inside of the main body 41 in the vertical direction.

なお、図1、図2において、符号48は回転軸7を回転駆動する主モータであり、符号49は穀粒供給装置の螺旋コンベア36を回転駆動する供給装置用モータであり、符号50は抵抗板23に抗して落下する精品サンプルの取り出し用開閉扉である。  1 and 2, reference numeral 48 is a main motor that rotationally drives the rotary shaft 7, reference numeral 49 is a supply device motor that rotationally drives the spiral conveyor 36 of the grain supply device, and reference numeral 50 is a resistor. It is an opening / closing door for taking out a fine sample falling against the plate 23.

次に、上記構成の作用を説明する。穀粒供給口38から投入されたとうもろこし粒は、まず、螺旋コンベア36によって供給筒部15の底部に供給され、該供給筒部15では上送螺旋8によって立設された精白室11に上送される。精白室11内では、まず、高速に回転する攪拌転子9により、棒状抵抗部材9b…,抵抗角柱9c…による打ち付け衝撃、とうもろこし粒同士の衝突による衝撃、及び除糠網13内壁に押し付けられる摩擦により、とうもろこし粒表面の外皮が剥離されることになる。剥離された外皮は糠分となり、除糠網13の打ち抜き孔16…を漏出して集糠室26底部に落下する。  Next, the operation of the above configuration will be described. The corn grains introduced from the grain supply port 38 are first supplied to the bottom of the supply cylinder part 15 by the spiral conveyor 36, and in the supply cylinder part 15, the corn grains are fed to the milling chamber 11 erected by the upper feed spiral 8. Is done. In the whitening chamber 11, first, by the stirring trochanter 9 rotating at a high speed, the impact by the rod-shaped resistance members 9 b, the resistance prisms 9 c, the impact caused by the collision between the corn grains, and the friction pressed against the inner wall of the debris net 13. As a result, the outer skin of the corn grain surface is peeled off. The peeled skin becomes apportioned, leaks through the punching holes 16 of the debris net 13, and falls to the bottom of the collecting chamber 26.

そして、外皮が剥離された胚乳は、砕けやすい性質を持っているため、高速に回転する攪拌転子9によって、過剰な搗精ではなく、大きく割砕されて胚乳部の内方中心部の胚芽が摘出されることになる。胚芽及び大きく割砕された胚乳部は精品排出口18に至り抵抗板23に抗して流出し、落下樋19を経て集糠室26底部に落下することになる。  Since the endosperm from which the outer skin has been peeled has a property of being easily crushed, it is not shattered excessively by the stirring trochanter 9 that rotates at a high speed, so that the germ in the inner central part of the endosperm is not broken excessively. It will be extracted. The germ and the endosperm portion that has been largely broken reach the refined product outlet 18 and flow out against the resistance plate 23, and fall to the bottom of the collecting chamber 26 through the drop tub 19.

除糠室25には分離板39が垂設されており、除糠網13の打ち抜き孔16…から漏出する外皮などの糠分が、前記分離板39よりも内側寄りの除糠室25を通過して集糠室26底部に落下する一方、抵抗板23に抗し落下樋19から流下する胚乳及び胚芽は、前記分離板39よりも外側寄りの除糠室25を通過して集糠室26底部に落下することになる。  A separation plate 39 is suspended in the removal chamber 25, and a portion of the skin leaking from the punching holes 16 of the removal net 13 passes through the removal chamber 25 closer to the inside than the separation plate 39. While falling to the bottom of the collecting chamber 26, the endosperm and germ that flow down from the dropping plate 19 against the resistance plate 23 pass through the removal chamber 25 closer to the outer side than the separating plate 39, and the collecting chamber 26. It will fall to the bottom.

集糠室26底部に落下した外皮、胚芽及び胚乳からなる混合物は、複数のかき出し羽根28によって間欠的に掃塵され、糠排出口29、排糠ダクト30を経て精品アスピレータ31の供給口43に供給される。  The mixture consisting of the outer skin, germ and endosperm that has fallen to the bottom of the collection chamber 26 is intermittently scavenged by a plurality of scraping blades 28, and passes through the soot discharge port 29 and the exhaust duct 30 to the supply port 43 of the refined aspirator 31. Supplied.

精品アスピレータ31には、吸引口45に吸引ダクト32が接続され、該吸引ダクト32には、バキュームポンプ又は吸引ファンのような、マイナス又は減圧システム(図示せず)に接続するとよい。マイナス又は減圧システムとしては、精品アスピレータ31内を胚芽や胚乳など比重の重い粒状物が飛散しない程度のわずかな負圧に設定するのがよく、例えば、最大風量が15m/min程度の吸引ファンを採用するとよい。そして、精品アスピレータ31に外皮、糠などの比重が軽く微細な粉塵とともに、胚芽及び大きく割砕された胚乳などの比重の重い精品穀粒が供給されると、まず、緩衝板47に衝突し、胚芽及び胚乳などの比重の重い精品穀粒はその自重により沈降して精品排出シュート40に落下する一方、外皮、糠などの比重が軽い微細な粉塵は吸引ファンなどの吸引力により、緩衝板47下端から本体41の方向へ上昇して、ついには吸引口45に取り込まれる。このとき、ニ次空気取入孔46の開度を調節すれば、吸引力を調節することができる。 The fine aspirator 31 is connected to a suction duct 45 at a suction port 45, and the suction duct 32 may be connected to a negative or pressure reducing system (not shown) such as a vacuum pump or a suction fan. As a minus or decompression system, it is preferable to set a slight negative pressure in the fine aspirator 31 such that germs, endosperm, and other heavy particles are not scattered. For example, a suction fan having a maximum air flow of about 15 m 3 / min Should be adopted. When the refined aspirator 31 is supplied with refined grains having a high specific gravity such as germ and endosperm that has been heavily broken, together with light and fine dust such as hulls and straws, first, it collides with the buffer plate 47, Fine grains with high specific gravity, such as germ and endosperm, settle by their own weight and fall to the fine product discharge chute 40, while fine dust with low specific gravity, such as outer skin, straw, etc., is applied to the buffer plate 47 by the suction force of a suction fan or the like. Ascending in the direction of the main body 41 from the lower end and finally taken into the suction port 45. At this time, if the opening degree of the secondary air intake hole 46 is adjusted, the suction force can be adjusted.

吸引式の気流によって外皮が選別/除去されて純化され、精品排出シュート40から落下した胚芽及び大きく割砕された胚乳などの精品穀粒は、シフター(図示せず)に供給され、胚芽などの小砕粒、中砕粒及び大砕粒などの3種類に分離される。シフターをスルーした小砕粒及び中砕粒は比重選別機などに供給して胚芽と胚乳とに比重選別するとよい。以上のように、本発明の竪型選別機1の後工程に、シフターと比重選別機をそれぞれ1台ずつ設置すれば、最小限の精選工程によって容易に外皮、胚芽及び胚乳を取り分けることが可能となる。  Purified grains such as germs that fall off from the refined product discharge chute 40 and greatly broken endosperm are supplied to a shifter (not shown) and purified by the suction type airflow. It is separated into three types such as small crushed particles, medium crushed particles and large crushed particles. The small and medium crushed particles that have passed through the shifter may be supplied to a specific gravity sorter or the like to select specific gravity for germ and endosperm. As described above, if one shifter and one specific gravity sorter are installed in the subsequent process of the vertical sorter 1 of the present invention, it is possible to easily separate the outer skin, the germ and the endosperm by the minimum selection process. It becomes.

以上のように本発明の竪型精穀機によれば、従来の竪型精穀機と比較して精白室内が低圧となるから、過度の粒々摩擦を受けず、とうもろこし粒を小さく破砕することなく、胚乳及び胚芽をできるだけ原形をとどめたまま回収することが可能となる。  As described above, according to the vertical milling machine of the present invention, the whitening chamber is at a low pressure compared with the conventional vertical grain milling machine, so that it does not receive excessive grain friction and crushes the corn grains small. Therefore, it is possible to recover the endosperm and germ while keeping the original form as much as possible.

また、本発明の竪型精穀機の集糠室26底部と連通する排糠ダクト30の下流側には、さらに精品アスピレータ31を接続しているので、吸引式の気流によって外皮が選別/除去されて純化され、別途にアスピレータなどの純化設備を設ける必要がない。  Further, since a refined aspirator 31 is further connected to the downstream side of the evacuation duct 30 communicating with the bottom of the collecting chamber 26 of the vertical mill of the present invention, the outer skin is sorted / removed by a suction-type air flow. Therefore, it is not necessary to separately provide a purification facility such as an aspirator.

さらに、多角形状の除糠精穀網13に穿設される多数の円形の打ち抜き孔16を、その径の大きさを6〜10mmに設定しているから、従来の網目の細かいスリット状の除糠筒と比較して精白室内が高圧となることがなく、動力の消費を低減しながら容易にとうもろこし粒の外皮を剥離することができる。また、とうもろこし粒が小さく破砕されることがなく、胚乳及び胚芽をできるだけ原形をとどめたまま回収することも可能となる。  Furthermore, since the diameter of the large number of circular punching holes 16 drilled in the polygonal shaped grain removal net 13 is set to 6 to 10 mm, the conventional slit-shaped removal of fine mesh The whitening chamber does not have a high pressure compared to the soot cylinder, and the corn hulls can be easily peeled off while reducing power consumption. In addition, the corn grains are not crushed and the endosperm and germ can be recovered while keeping the original form as much as possible.

そして、攪拌ロール9表面に固着される多数の抵抗角柱9c…を、一辺が約16mm、高さが約10mmの矩形柱に形成しているから、高速に回転する攪拌転子の表面に固着した多数の抵抗角柱による打ち付け衝撃により、とうもろこし粒表面の外皮が容易に剥離されるようになる。  A large number of resistance prisms 9c to be fixed to the surface of the stirring roll 9 are formed as rectangular columns having a side of about 16 mm and a height of about 10 mm, so that they are fixed to the surface of the stirring rotator rotating at high speed. The outer surface of the corn grain surface is easily peeled off by the impact of the large number of resistance prisms.

本発明の竪型精穀機の全体の構成を示す斜視図である。It is a perspective view which shows the whole structure of the vertical milling machine of this invention. 図1の矢視A方向から見た竪型精穀機の正面図である。It is a front view of the vertical grain mill seen from the arrow A direction of FIG. 図1の矢視B−B’方向で破断したときの内部構成を示す概略縦断面図である。It is a schematic longitudinal cross-sectional view which shows an internal structure when it fractures | ruptures in the arrow B-B 'direction of FIG. 竪型精穀機の攪拌転子を示す概略斜視図である。It is a schematic perspective view which shows the stirring trochanter of a vertical milling machine. 竪型精穀機の除糠網などの分解斜視図である。It is a disassembled perspective view, such as a dehulling net | network of a vertical grain mill. 竪型精穀機の精品アスピレータを示す概略斜視図である。It is a schematic perspective view which shows the refined aspirator of a vertical grain mill. 精品アスピレータの精品流れ及び気流の流れを示す概略図である。It is the schematic which shows the refined product flow and airflow of a refined product aspirator. 従来の竪型精穀機の概略縦断面図である。It is a schematic longitudinal cross-sectional view of the conventional vertical grain mill.

1 竪型精穀機
2 台座
3 円筒状機枠
4 円筒型ケーシング
5 下部軸受
6 上部軸受
7 回転軸
8 上送螺旋
9 攪拌転子
10 除糠筒
11 精白室
12 切欠部
13 除糠網
14 外側挟持枠
15 供給筒部
16 打ち抜き孔
17 抵抗バー
18 精品排出口
19 落下樋
20 抵抗調節装置
21 横軸
22 分銅レバー
23 抵抗板
24 分銅
25 除糠室
26 集糠室
27 羽根取付筒
28 かき出し羽根
29 糠排出口
30 排糠ダクト
31 精品アスピレータ
32 吸引ダクト
33 プーリ
34 穀粒供給装置
35 コンベアケース
36 螺旋コンベア
37 プーリ
38 穀粒供給口
39 分離板
40 精品排出シュート
41 本体
42 ホッパー部
43 供給口
44 観察窓
45 吸引口
46 ニ次空気取入孔
47 緩衝板
48 主モータ
49 供給装置用モータ
50 開閉扉
DESCRIPTION OF SYMBOLS 1 Vertical grain mill 2 Pedestal 3 Cylindrical machine frame 4 Cylindrical casing 5 Lower bearing 6 Upper bearing 7 Rotating shaft 8 Upper feed spiral 9 Stirring trochanter 10 Dehulling cylinder 11 Milling chamber 12 Notch 13 Dehulling net 14 Outside Holding frame 15 Supply cylinder portion 16 Punching hole 17 Resistance bar 18 Fine product discharge port 19 Falling rod 20 Resistance adjusting device 21 Horizontal axis 22 Weight lever 23 Resistance plate 24 Weight 25 Removal chamber 26 Collection chamber 27 Blade mounting cylinder 28 Scraping blade 29糠 discharge port 30 evacuation duct 31 fine aspirator 32 suction duct 33 pulley 34 grain supply device 35 conveyor case 36 spiral conveyor 37 pulley 38 grain supply port 39 separation plate 40 fine product discharge chute 41 main body 42 hopper part 43 supply port 44 observation Window 45 Suction port 46 Secondary air intake hole 47 Buffer plate 48 Main motor 49 Supply device motor 50 Door

Claims (5)

立設した除糠精穀筒内に回転可能に設けた主軸に、攪拌ロール及び上送式螺旋ロールを軸装するとともに、前記除糠精穀筒の下部を穀粒供給部、上部を穀粒排出部にそれぞれ形成し、さらに、前記攪拌ロールと前記除糠精穀筒との間隙を精白室、除糠精穀筒と円筒型ケーシングとの間隙を集糠室にそれぞれ形成した竪型精穀機であって、
前記攪拌ロールは、外周面に該攪拌ロールとほぼ同じ長さを有する棒状抵抗部材を複数本固着するとともに、多数の抵抗角柱をロール表面に散りばめて固着してなり、
前記除糠精穀筒は、多角形状の除糠精穀網によって形成され、該多角形状の除糠精穀網の全ての面に円形の打ち抜き孔が多数穿設してあり、
前記集糠室底部に配置される複数の糠掻き出し羽根を介して精品穀粒を機外に排出すべく、前記穀粒排出部には、精品穀粒を前記集糠室底部に落下させるための落下樋を接続する一方、該落下樋には、穀粒の吐出を規制して搗精度合いを調節する抵抗調節装置を設けたことを特徴とする竪型精穀機。
The main shaft rotatably provided in the erection milling tube installed upright is equipped with a stirring roll and an upward feed type spiral roll, and the lower part of the demineralization milling cylinder is the grain supply unit and the upper part is the grain A vertical type cereal that is formed in the discharge unit, and further, a gap between the stirring roll and the dehulled cereal cylinder is formed in the milling chamber, and a gap between the dehulled cereal cylinder and the cylindrical casing is formed in the collecting chamber, respectively. Machine,
The stirring roll is fixed to a plurality of rod-shaped resistance members having substantially the same length as the stirring roll on the outer peripheral surface, and a large number of resistance prisms are scattered and fixed to the roll surface.
The dehulled cereal cylinder is formed by a polygon-shaped dehulled cereal net, and a large number of circular punched holes are drilled on all sides of the polygon-shaped hulled thresh net,
In order to discharge the refined grain to the outside of the machine through a plurality of straw scraping blades arranged at the bottom of the collecting chamber, the grain discharging unit is for dropping the refined grain to the bottom of the collecting chamber. A vertical cereal mill characterized in that, while connecting a falling cocoon, the falling cocoon is provided with a resistance adjusting device that regulates the accuracy of the cocoon by regulating the discharge of grains.
前記集糠室底部には、その一部に糠排出口を穿設するとともに、該糠排出口に排糠ダクトが連通され、前記集糠室底部に配置した複数の糠掻き出し羽根の回転による掻き出しによって精品穀粒及び糠を機外に排出してなる請求項1記載の竪型精穀機。   The bottom of the collection chamber is provided with a soot discharge port in a part thereof, and a discharge duct is communicated with the soot discharge port, and scraping by rotation of a plurality of scissors scraping blades arranged at the bottom of the collection chamber The vertical grain mill according to claim 1, wherein the refined grain and the straw are discharged out of the machine. 前記集糠室底部と連通する排糠ダクトの下流側には、さらに精品アスピレータを接続してなる請求項2記載の竪型精穀機。   The vertical grain mill according to claim 2, wherein a refined aspirator is further connected to the downstream side of the evacuation duct communicating with the bottom of the collecting chamber. 前記精品アスピレータは、略四角筒状の本体と、該本体の下部に接続される漏斗状のホッパー部とから構成され、前記本体の一側壁には、前記排糠ダクトと接続する供給口を穿設するとともに、前記本体上部の角部には、前記本体内を負圧に保つ吸引機と連通するための吸引口を穿設し、さらに、前記本体内部には、前記供給口から供給される精品穀粒の落下衝撃を緩和するための緩衝板を設けてなる請求項3記載の竪型精穀機。   The fine product aspirator is composed of a substantially rectangular tube-shaped main body and a funnel-shaped hopper connected to the lower part of the main body, and a supply port connected to the exhaust duct is formed in one side wall of the main body. In addition, a suction port for communicating with a suction machine that keeps the inside of the main body at a negative pressure is formed in a corner portion of the upper portion of the main body, and further, the inside of the main body is supplied from the supply port 4. A vertical cereal machine according to claim 3, further comprising a buffer plate for reducing a drop impact of the refined grain. 前記多角形状の除糠精穀網に穿設される多数の円形の打ち抜き孔は、その径の大きさを6〜10mmに設定してなる請求項1から4のいずれかに記載の竪型精穀機。   5. The cocoon-shaped fines according to claim 1, wherein a number of circular punched holes drilled in the polygonal shaped grain-removing grain net are set to a diameter of 6 to 10 mm. Grain machine.
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