JP5626628B2 - Color sorter - Google Patents

Color sorter Download PDF

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JP5626628B2
JP5626628B2 JP2010163259A JP2010163259A JP5626628B2 JP 5626628 B2 JP5626628 B2 JP 5626628B2 JP 2010163259 A JP2010163259 A JP 2010163259A JP 2010163259 A JP2010163259 A JP 2010163259A JP 5626628 B2 JP5626628 B2 JP 5626628B2
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defective
defective product
collecting
basket
sample
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JP2012024660A (en
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良 丸川
良 丸川
博昭 金本
博昭 金本
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Satake Corp
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本発明は、サンプル取出部を備えた色彩選別機に関する。   The present invention relates to a color sorter provided with a sample extraction unit.

原料中に含まれる不良粒、異種穀粒及び異物などを除去する色彩選別機においては、原料から不良粒、異種穀粒及び異物を100%除去することが望ましいが、実際には100%除去することは不可能である。そこで、色彩選別機においては、不良粒の再選別用の二次選別部を設けることや、不良粒を原料側に戻して再選別するなどの手段を講じている。そして、色彩選別機の一次選別部や二次選別部などでは、各選別部の選別性能として選別率(不良品除去率)等がその評価の基準(指標)となっている。   In a color sorter that removes defective grains, foreign grains, and foreign matters contained in the raw material, it is desirable to remove 100% of the defective grains, foreign grains, and foreign matters from the raw material. It is impossible. Therefore, in the color sorter, measures such as providing a secondary sorting unit for re-sorting defective grains and returning the defective grains back to the raw material side are taken. In the primary sorting section, the secondary sorting section, and the like of the color sorter, the sorting rate (defective product removal rate) and the like are the criteria (index) for the assessment as the sorting performance of each sorting unit.

選別率とは、原料中の不良品総重量に対する不良品受口側に溜まった不良品総重量であり、原料タンクや不良品受口から実際のサンプルを採取し、粒数カウンターや品質測定装置によって粒数をカウントして選別率等を算出し、この選別率に基づいて色彩選別機の原料流量の増減の制御や、選別感度の調整が行われている(例えば、特許文献1乃至3参照)。   The sorting rate is the total weight of defective products collected on the defective product receiving side relative to the total weight of defective products in the raw material. Actual samples are collected from the raw material tank and defective product receiving port, and the particle number counter and quality measuring device The number of grains is counted and the sorting rate is calculated. Based on this sorting rate, the increase / decrease of the flow rate of the material of the color sorter and the adjustment of the sorting sensitivity are performed (for example, see Patent Documents 1 to 3). ).

しかしながら、特許文献1乃至3に記載の色彩選別機にあっては、原料タンクや不良品受口から揚穀機、吸引装置又はサンプリング装置などの機械的な搬送手段を利用してサンプルを採取しているため、単に選別率を算出するだけであっても、多量のサンプルが採取されてしまい、原料の損耗や、歩留の低下となる問題がある。   However, in the color sorter described in Patent Documents 1 to 3, a sample is collected from a raw material tank or a defective product receiving port using a mechanical conveying means such as a cerealing machine, a suction device or a sampling device. Therefore, even if the selection rate is simply calculated, a large amount of sample is collected, and there is a problem that the raw material is worn out and the yield is lowered.

特公平8−24899号公報Japanese Patent Publication No. 8-24899 特開平10−216650号公報JP-A-10-216650 特開2003−24874号公報JP 2003-24874 A

本発明は上記問題点にかんがみ、作業者が意図している必要最少量のサンプルを採取することが可能であり、かつ、不良品回収樋及び良品回収樋を容易に清掃することが可能なサンプル取出部を備えた色彩選別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 is capable of collecting the minimum necessary sample intended by the operator, and can easily clean the defective product collection basket and the non-defective product collection basket. It is a technical problem to provide a color sorter equipped with an extraction unit.

上記課題を解決するため本発明は、原料となる粒状物を流下させる移送手段と、該移送手段から落下する粒状物の落下軌跡に沿った位置に設けられる光学検出部と、該光学検出部のさらに下方に設けて正常な粒状物から不良品を除去するエジェクター手段と、該エジェクター手段の下方に設けられ、前記粒状物に対して前記エジェクター手段の排除作用を受けずに良品を回収する良品回収樋と、該良品回収樋に並設され、前記粒状物に対してエジェクター手段による排除作用を受けて不良粒を回収する不良品回収樋とを備えた色彩選別機であって、前記良品回収樋と前記不良品回収樋とを一体的にした箱状回収部を形成し、該箱状回収部には、前記良品回収樋と連通する良品サンプル採取口と前記不良品回収樋に連通する不良品サンプル採取口とを設けるとともに、該良品サンプル採取口及び不良品サンプル採取口には、それぞれの開口を閉鎖可能とする蓋体を設け、さらに、前記箱状回収部には、前記良品サンプル採取口と前記良品回収樋とを連通させるために、前記不良品回収樋の縦断面視において、不良品の流下方向に対してほぼ直角に横断する通路を介設する、という技術的手段を講じた。 In order to solve the above-described problems, the present invention provides a transfer means for causing a granular material as a raw material to flow down, an optical detection section provided at a position along the fall trajectory of the granular material falling from the transfer means, Further, an ejector means for removing defective products from normal granular materials provided below, and a non-defective product collection provided below the ejector means for collecting non-defective products without being subjected to the ejecting action of the ejector means on the granular materials. A color sorter that is provided in parallel with the non-defective product collecting basket, and is provided with a defective product collecting bowl that receives defective particles from the granular material by ejecting means, and collects the defective particles. And a defective product collection port, and a non-defective product sample collection port that communicates with the non-defective product collection basin and a defective product that communicates with the defective product collection basin. Sample collection Rutotomoni provided the door, the該良product sampling port and defective sample collection port, a respective aperture provided the lid to be closed, In addition, the box-like collecting unit, the said good sample collection port In order to communicate with the non-defective product collecting basket, a technical means is provided in which a passage crossing substantially perpendicular to the flow direction of the defective product is provided in a longitudinal sectional view of the defective product collecting basket.

請求項記載の発明によれば、前記通路が、前記良品サンプル採取口と前記良品回収樋との間に介設する筒部によって形成され、該筒部が、前記良品回収樋と前記不良品回収樋とを仕切る仕切壁の一部を切り取った板部材上に立設されることを特徴とする。 According to invention of Claim 2 , the said channel | path is formed by the cylinder part interposed between the said non-defective sample collection port and the said non-defective article collection basket, and this cylindrical part is the said non-defective article collection basket and the said defective article. It is characterized in that it is erected on a plate member obtained by cutting off a part of the partition wall that partitions the collection basket.

請求項記載の発明によれば、前記板部材が、前記良品回収樋と前記不良品回収樋とを仕切る仕切壁に脱着可能に嵌合されることを特徴とする。 According to a third aspect of the present invention, the plate member is detachably fitted to a partition wall that partitions the non-defective product collecting basket and the defective product collecting basket.

請求項記載の発明によれば、前記筒部は、前記不良品回収樋内の不良品を左右方向に振り分けて流下させるべく、不良品の流下方向上流側を三角屋根形状に形成したことを特徴とする。 According to invention of Claim 4 , the said cylinder part formed the triangular roof shape in the flow direction upstream of the inferior goods in order to distribute the inferior goods in the said inferior goods collection basket to the left-right direction, and to flow down. Features.

請求項記載の発明によれば、前記箱状回収部が、機枠に対して脱着可能に嵌合されていることを特徴とする。 According to a fifth aspect of the present invention, the box-shaped collection unit is detachably fitted to the machine frame.

本発明によれば、良品回収樋及び不良品回収樋は一体的な箱状回収部に形成され、この箱状回収部には、良品回収樋と連通する良品サンプル採取口と不良品回収樋に連通する不良品サンプル採取口とを設け、さらに、良品サンプル採取口及び不良品サンプル採取口には、それぞれの開口を閉鎖可能とする蓋体を設けてあり、作業者がサンプルを採取する際には、良品サンプル採取口又は不良品サンプル採取口の蓋体を開け、次いで、良品サンプル採取口又は不良品サンプル採取口からサンプル採取スコップ又は手を挿入してサンプルを掬(すく)い取ることで、作業者が意図している必要最少量のサンプルを採取することができる。これにより、単に選別率を算出するだけの用途であれば、原料の損耗や、歩留の低下を抑制することができる。   According to the present invention, the non-defective product collection basket and the non-defective product collection basket are formed in an integral box-shaped collection unit, and the box-shaped collection unit includes a non-defective sample collection port communicating with the non-defective product collection basket and a defective product collection basket. A defective sample sampling port is provided, and a non-defective sample sampling port and a defective sample sampling port are provided with lids that can close the respective openings, so that an operator can collect samples. Open the lid of the good sample collection port or defective sample collection port, and then insert a sample collection scoop or hand from the good sample collection port or defective sample collection port to scoop up the sample. The minimum amount of sample intended by the operator can be collected. Thereby, if it is a use which only calculates a selection rate, the wear of a raw material and the fall of a yield can be suppressed.

そして、前記良品サンプル採取口と前記良品回収樋とを連通させるために、前記不良品回収樋の断面視において、不良品の流下方向に対してほぼ直角に横断する通路を介設してあるから、この通路が不良品回収樋よりも奥側にある良品回収樋まで達しており、良品サンプル採取口からサンプル採取スコップ又は手を挿入することで、良品サンプルを簡単に採取することができる。 And , in order to connect the good product sample collection port and the good product collection rod, a passage crossing at a right angle to the flow direction of the defective product is provided in a cross-sectional view of the defective product collection rod. The passage reaches the non-defective product collecting basin behind the defective product collecting basin, and the non-defective sample can be easily collected by inserting a sample collection scoop or a hand from the non-defective sample collecting port.

請求項記載の発明は、前記通路が、前記良品サンプル採取口と前記良品回収樋との間に介設する筒部によって形成され、該筒部が、前記良品回収樋と前記不良品回収樋とを仕切る仕切壁の一部を切り取った板部材上に立設されているから、メンテナンスの際は、前記筒部を手で持って手前に引き抜けば、板部材が仕切壁から離脱して大きな開口が形成されることになる。これにより、前記良品回収樋内の流穀板が露出されることになり、良品回収樋内を容易に清掃することができる。 According to a second aspect of the present invention, the passage is formed by a cylindrical portion interposed between the non-defective sample collection port and the non-defective product collecting tub, and the cylindrical portion is formed by the non-defective product collecting tub and the defective product collecting tub. Since a part of the partition wall that divides the wall is erected on the plate member, when performing maintenance, if you hold the tube part with your hand and pull it out toward you, the plate member will be detached from the partition wall. A large opening will be formed. Thereby, the drift cereal board in the said non-defective product collection basket will be exposed, and the inside of the non-defective product collection basket can be easily cleaned.

さらに、請求項記載の発明は、前記板部材が、前記良品回収樋と不良品回収樋とを仕切る仕切壁に脱着可能に嵌合されているから、メンテナンスの際は、工具を不要として容易に仕切壁を開口して清掃することができる。 Further, in the invention according to claim 3 , since the plate member is detachably fitted to the partition wall that partitions the non-defective product collecting basket and the defective product collecting basket, it is easy to make a tool unnecessary for maintenance. The partition wall can be opened and cleaned.

また、請求項記載の発明は、前記筒部を、不良品の流下方向上流側を三角屋根形状に形成してあるから、不良品回収樋内では不良品を左右方向に振り分けて流下させるので、筒部への不良品の堆積を防止することができる。 In the invention according to claim 4 , since the cylindrical portion is formed in a triangular roof shape on the upstream side in the flow direction of the defective product, the defective product is distributed in the left-right direction in the defective product collection basket, so that it flows down. In addition, accumulation of defective products on the cylinder portion can be prevented.

請求項記載の発明は、箱状回収部が、機枠に対して脱着可能に嵌合されているから、不良品回収樋及び良品回収樋を容易に清掃することができる。 In the invention according to claim 5 , since the box-shaped collection part is detachably fitted to the machine frame, the defective product collection basket and the non-defective product collection basket can be easily cleaned.

本発明の色彩選別機の全体を示す概略斜視図である。It is a schematic perspective view which shows the whole color sorter | selector of this invention. 同上の色彩選別機の内部構造を示す概略縦断面図である。It is a schematic longitudinal cross-sectional view which shows the internal structure of a color sorter same as the above. 同上の色彩選別機の良品回収樋及び不良品回収樋を示す拡大断面図である。It is an expanded sectional view which shows the non-defective product collection basket and defective product collection basket of the same color sorter. 同上の色彩選別機の良品回収樋及び不良品回収樋の組立図である。It is an assembly drawing of the non-defective product collection basket and the defective product collection basket of the color sorter same as the above. 良品サンプル採取口と良品回収樋とを連通させる通路となる筒部の拡大斜視図である。It is an expansion perspective view of the cylinder part used as the channel | path which connects a non-defective sample collection port and a non-defective product collection basket. 筒部の平面図である。It is a top view of a cylinder part. 作業者がサンプルを採取する際の概略説明図である。It is a schematic explanatory drawing at the time of an operator collecting a sample.

本発明を実施するための形態を図面を参照しながら説明する。図1は本発明の色彩選別機の全体を示す概略斜視図であり、図2は同上の色彩選別機の内部構造を示す概略縦断面図である。   A mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view showing the entire color sorter of the present invention, and FIG. 2 is a schematic longitudinal sectional view showing the internal structure of the same color sorter.

図1に示すように、色彩選別機1は、ほぼ台形状の機枠2内に、複数の一次選別部3A(図1では左端から3個目までの選別部)と、複数の二次選別部3B(図1では右端から2個目までの選別部)とを並設して配置してあり、それぞれの選別部3A,3Bには従来技術と同様の色彩選別機の構成部品が配置されている。なお、本実施形態では複数の一次選別部3Aと複数の2次選別部3Bとを並設した構成にしているが、これに限らず、複数の一次選別部と、単一の二次選別部と、単一の三次選別部とを並設した構成など、様々なバリエーションを設定することができる。   As shown in FIG. 1, the color sorter 1 includes a plurality of primary sorters 3A (a sorter from the left end to the third one in FIG. 1) and a plurality of secondary sorters in a substantially trapezoidal machine frame 2. The part 3B (in FIG. 1, the second sorting part from the right end) is arranged side by side, and each sorting part 3A, 3B has the same color sorter components as the prior art. ing. In the present embodiment, a plurality of primary sorting units 3A and a plurality of secondary sorting units 3B are arranged side by side. However, the present invention is not limited thereto, and a plurality of primary sorting units and a single secondary sorting unit are provided. In addition, various variations such as a configuration in which a single tertiary sorting unit is arranged in parallel can be set.

すなわち、一次選別部につき、図2を参照して各構成部品を説明すると、水平位置から約60度の角度で傾斜して配置した移送手段としてのシュート4と、穀粒などの粒状物を貯留するための貯留タンク5と、貯留タンク5からの粒状物をシュート4に搬送するための振動フィーダ6と、シュート4下端から落下する粒状物の落下軌跡の上下を挟んで設けられる光学検出部7と、さらに下方に設けたエジェクターノズル8と、エジェクターノズル8下方で前記シュート4と同傾斜線上にあり、エジェクターノズル8からの噴風を受けずにそのまま落下軌跡の粒状物を受ける良品回収樋9と、該良品回収樋9に並設され、エジェクターノズル8からの噴風を受けて正常な粒状物から不良粒を回収するための不良品回収樋10Aと、エジェクターノズル8からの噴風を受け損(そこ)ねて、周囲の部材に当たって跳ね返った不良粒を回収するための補助不良品回収樋10Bとが備えられている。   That is, for each primary sorting unit, each component will be described with reference to FIG. 2. The chute 4 as a transfer means disposed at an angle of about 60 degrees from the horizontal position and granular materials such as grains are stored. A storage tank 5 for transporting, a vibratory feeder 6 for transporting the granular material from the storage tank 5 to the chute 4, and an optical detector 7 provided across the top and bottom of the falling trajectory of the granular material falling from the lower end of the chute 4. An ejector nozzle 8 provided further below, and a non-defective product collecting bowl 9 which is on the same inclination line as the chute 4 below the ejector nozzle 8 and receives the particulate matter of the falling trajectory without receiving the blast from the ejector nozzle 8 A defective product collection basket 10A for receiving defective particles from normal granular materials in response to a blast from the ejector nozzle 8; Loss undergone air jet from Le 8 (there) to sleep, is provided with an auxiliary defective article collecting trough 10B for collecting the defective particle rebounding against the periphery of the member.

一次選別部用のシュート4は粒状物を広幅で帯状に滑走させるために溝部のない平板形状であるのが好ましい。また、シュート4からの粒状物の溢流を防止するため、かつ、選別対象の粒状物がシュート4を滑走中に底面から浮き上がるのを防止するために、底面から所定間隔をあけてシュートカバー11を設けてもよい。   The chute 4 for the primary sorting part preferably has a flat plate shape without a groove part in order to allow the granular material to slide in a wide band shape. Further, in order to prevent the overflow of the granular material from the chute 4 and to prevent the granular material to be selected from floating from the bottom surface while sliding on the chute 4, the chute cover 11 is spaced a predetermined distance from the bottom surface. May be provided.

振動フィーダ6は、支持部6b上にフィーダトラフ6aが支持されており、電磁駆動コイル6cなどの振動装置を作動させることによって粒状物をシュート4に供給することができる。   In the vibration feeder 6, a feeder trough 6a is supported on a support portion 6b, and granular materials can be supplied to the chute 4 by operating a vibration device such as an electromagnetic drive coil 6c.

光学検出部7a,7bは、それぞれ共通の箱体17a,17bで形成され、穀粒の落下軌跡上側の箱体17aは、可視光用のCCDカメラ12aと、近赤外光用のNIRカメラ13と、蛍光灯等からなる可視光源14aと、ハロゲンランプ等からなる近赤外光源15aと、光学検出部7bの対向用バックグラウンド16aが内装されている。一方、穀粒の流下軌跡下側の箱体17bは、可視光用のCCDカメラ12bと、蛍光灯等からなる可視光源14bと、ハロゲンランプ等からなる近赤外光源15bと、光学検出部7aの対向用バックグラウンド16b,16cが内装されている。そして、箱体17a,17bの穀粒の落下軌跡側には、透明ガラスからなる窓部材18a,18bが嵌め込まれている。なお、箱体17a上部には、エアシリンダにより開閉可能な点検扉19が設けられており、分解の手間が不要で容易に光学検出部7aをメンテナンスすることもできる。   The optical detectors 7a and 7b are respectively formed of a common box 17a and 17b, and the box 17a on the upper side of the grain dropping trajectory is a CCD camera 12a for visible light and an NIR camera 13 for near-infrared light. And a visible light source 14a made of a fluorescent lamp, a near-infrared light source 15a made of a halogen lamp, etc., and an opposing background 16a for the optical detector 7b. On the other hand, the box 17b below the grain trajectory is a CCD camera 12b for visible light, a visible light source 14b made of a fluorescent lamp, a near infrared light source 15b made of a halogen lamp, etc., and an optical detector 7a. The opposing backgrounds 16b and 16c are internally provided. And the window members 18a and 18b which consist of transparent glass are engage | inserted by the fall locus | trajectory side of the grain of the box bodies 17a and 17b. An inspection door 19 that can be opened and closed by an air cylinder is provided on the upper portion of the box body 17a, and the optical detector 7a can be easily maintained without the need for disassembly.

前記エジェクターノズル8には、図外のエアコンプレッサからの空気がサブタンク20、エア管21、エジェクターバルブ22を介してチューブ23から供給される。前記サブタンク20はエアコンプレッサからの空気をいったん貯留するものであり、該サブタンク20を設けることでエジェクターノズル8から消費されるエア量が多い場合であっても、エア不足に陥るおそれがない。   Air from an air compressor (not shown) is supplied to the ejector nozzle 8 from a tube 23 via a sub tank 20, an air pipe 21, and an ejector valve 22. The sub tank 20 temporarily stores the air from the air compressor, and providing the sub tank 20 does not cause air shortage even when the amount of air consumed from the ejector nozzle 8 is large.

横枠F1には制御部が支持されており、該制御部を構成する部材として、電源基板25及び制御基板26が並設される。   A control unit is supported on the horizontal frame F1, and a power supply board 25 and a control board 26 are juxtaposed as members constituting the control unit.

機枠2の前方の傾斜壁には、エアシリンダ27によって上下方向に回動可能な前面ドア28が設けられるとともに、該前面ドア28の下方に操作盤29及び電源スイッチ52が設けられている。一方、機枠2の後方の後面壁は、縦枠F2と縦枠F3との間に上段後面壁30が、縦枠F3と縦枠F4との間に中段後面壁31が、縦枠F5と縦枠F6との間に下段後面壁32がそれぞれ嵌合され、メンテナンス性を向上させるために各後面壁30,31,32を取り外し可能に設けている。また、図2及び図3において、符号53は補助不良品回収樋10Bと連絡した不良品受口であり、符号54は良品回収樋9と連絡した良品受口であり、符号55は不良品回収樋10Aと連絡した不良品受口である。   A front door 28 that can be turned up and down by an air cylinder 27 is provided on the inclined wall in front of the machine frame 2, and an operation panel 29 and a power switch 52 are provided below the front door 28. On the other hand, the rear rear wall of the machine frame 2 has an upper rear wall 30 between the vertical frames F2 and F3, an intermediate rear wall 31 between the vertical frames F3 and F4, and the vertical frame F5. The lower rear wall 32 is fitted between the vertical frame F6 and the rear walls 30, 31, 32 are detachably provided to improve maintainability. 2 and 3, reference numeral 53 is a defective product receiving port communicated with the auxiliary defective product collecting basket 10B, reference numeral 54 is a non-defective product receiving port communicated with the non-defective product collecting basket 9, and reference numeral 55 is a defective product collecting unit. This is a defective product outlet that communicates with the bag 10A.

次に、二次選別部3Bの構成を説明する。前記一次選別部3Aと相違する点として、シュート4の形状が挙げられ、二次選別用のシュート4は穀粒を複数列状に分割した状態で滑走させるための複数の溝部が形成されている。該溝部の断面形状としては、U字状のもの、V字状のもの、凹字状のもの等、適宜採用することができる。その余の構成は前記一次選別部3Aとほぼ同様の構成である   Next, the configuration of the secondary sorting unit 3B will be described. The difference from the primary sorting unit 3A is the shape of the chute 4, and the secondary sorting chute 4 is formed with a plurality of grooves for sliding the grains in a plurality of rows. . As the cross-sectional shape of the groove portion, a U-shaped shape, a V-shaped shape, a concave shape, or the like can be appropriately employed. The rest of the configuration is substantially the same as the primary sorting unit 3A.

さらに、図2、図3及び図4を参照して、良品回収樋9、不良品回収樋10A及び補助不良品回収樋10Bの構成を説明する。図3及び図4に示すように、良品回収樋9と不良品回収樋10Aとは一体的な箱状回収部36に形成されており、該箱状回収部36は機枠2に支持される補助不良品回収樋10B側に組み付け可能な構成となっている。そして、補助不良品回収樋10B底側の流穀板33と、良品回収樋9底側の流穀板34と、良品回収樋9と不良品回収樋10Aとを仕切る仕切壁35と、がそれぞれ形成されており、前記流穀板33と流穀板34とで囲繞される空間が補助不良品回収樋10Bに、流穀板34と仕切壁35とで囲繞される空間が良品回収樋9に、仕切壁35の上方空間が不良品回収樋10Aにそれぞれ形成される。また、前記箱状回収部36には、良品回収樋9内の良品サンプル及び不良品回収樋10A内の不良品サンプルを採取するための、サンプル取出部37が設けられている。   Further, the configuration of the non-defective product collection basket 9, the defective product collection basket 10A, and the auxiliary defective product collection basket 10B will be described with reference to FIGS. As shown in FIGS. 3 and 4, the non-defective product collecting basket 9 and the defective product collecting basket 10 </ b> A are formed in an integral box-shaped collecting unit 36, and the box-shaped collecting unit 36 is supported by the machine frame 2. It has a structure that can be assembled on the auxiliary defective product collection basket 10B side. And the auxiliary defective product recovery basket 10B bottom side threshing board 33, the non-defective product recovery basin 9 bottom side threshing board 34, and the partition walls 35 that partition the non-defective product recovery basin 9 and the defective product recovery basin 10A. The space that is formed and surrounded by the drift cereal board 33 and the drift cereal board 34 is the auxiliary defective product collection basket 10B, and the space enclosed by the drift cereal board 34 and the partition wall 35 is the non-defective product collection basket 9. The space above the partition wall 35 is formed in the defective product collecting basket 10A. The box-like collection unit 36 is provided with a sample take-out unit 37 for collecting a good product sample in the good product collection basket 9 and a defective product sample in the defective product collection basket 10A.

サンプル取出部37は、前記良品回収樋9に連通する良品サンプル採取口38と、該良品サンプル採取口38を閉鎖する蓋体39と、前記不良品回収樋10Aに連通する不良品サンプル採取口40と、該不良品サンプル採取口40を閉鎖する蓋体41とから主要部が構成される。前記各サンプル採取口を閉鎖する蓋体39,41は、蓋体39,41の下縁を軸とし、把手39a,41aを手前に引くと、上縁が下方に円弧を描くように回動するような開き戸とするのが好ましい(図2の2点鎖線の矢印参照)。この蓋体39,41は前記箱状回収部36に対して脱着可能となるカバー体43内に嵌め込みにより取り付けられている(図1、図2、図3及び図4参照)。   The sample take-out section 37 includes a non-defective sample collecting port 38 communicating with the non-defective product collecting basket 9, a lid 39 for closing the non-defective sample collecting port 38, and a defective sample collecting port 40 communicating with the defective product collecting bowl 10A. And the main part is comprised from the cover body 41 which closes this inferior goods sample collection port 40. FIG. The lids 39 and 41 for closing the sample collection ports rotate around the lower edges of the lids 39 and 41 so that when the handles 39a and 41a are pulled toward the front, the upper edges draw a circular arc downward. Such a hinged door is preferable (see an arrow of a two-dot chain line in FIG. 2). The lid bodies 39 and 41 are attached by fitting into a cover body 43 that can be attached to and detached from the box-shaped collection portion 36 (see FIGS. 1, 2, 3, and 4).

前記良品サンプル採取口38を前記良品回収樋9に連通させる手段としては、前記不良品回収樋10Aの縦断面視において、不良品の流下方向に対してほぼ直角となるような通路42aを介設するのがよく(図2、図3参照)、具体的には良品サンプル採取口38から作業者の手を挿入することができるような筒部42を挿設して通路42aを形設することが好ましい。つまり、良品回収樋9と不良品回収樋10Aとを仕切る仕切壁35に奥側取出口38aを穿設するとともに、該奥側取出口38aと前記良品サンプル採取口38との間に筒部42を介設させることで、作業者が蓋体39を手前に引いて開口し、該良品サンプル採取口38からサンプル採取スコップ又は手を挿入してサンプルを掬(すく)い取ることで、良品サンプルが採取される(図7参照)。   As a means for communicating the non-defective sample collection port 38 with the non-defective product collecting rod 9, a passage 42a is provided so as to be substantially perpendicular to the flow direction of the defective product in the longitudinal sectional view of the defective product collecting rod 10A. (See FIGS. 2 and 3). Specifically, a cylindrical portion 42 that allows the operator's hand to be inserted from the non-defective sample collection port 38 is inserted to form the passage 42a. Is preferred. That is, the rear side outlet 38a is formed in the partition wall 35 that partitions the non-defective product collecting basket 9 and the defective product collecting bowl 10A, and the cylindrical portion 42 is provided between the rear side outlet 38a and the non-defective sample collecting port 38. The operator pulls the lid 39 forward to open it, and inserts a sample collection scoop or hand through the good sample collection port 38 to scoop the sample, Are collected (see FIG. 7).

図2、図3及び図4において、符号44は、良品回収樋9及び不良品回収樋10Aの各回収樋への被選別物の進入量を調節することができる角度変更板であり、良品と不良品の排出割合、すなわち、選別率を微調整することができるものである。また、符号45は、良品回収樋9内の流穀板34を流下する良品の流下速度を弱める緩衝板であり、符号46は、不良品回収樋10A内の仕切壁35を流下する不良品の流下速度を弱める緩衝板である。   2, 3, and 4, reference numeral 44 denotes an angle changing plate that can adjust the amount of the object to be sorted to enter the collection baskets of the non-defective product collection basket 9 and the defective product collection basket 10 </ b> A. It is possible to finely adjust the defective product discharge rate, that is, the sorting rate. Reference numeral 45 is a buffer plate that weakens the flow speed of good products that flow down the drifting grain plate 34 in the non-defective product collection basket 9, and reference numeral 46 is a defective product that flows down the partition wall 35 in the defective product collection basket 10A. It is a buffer plate that weakens the flow speed.

次に、箱状回収部36について詳述する。図3及び図4に示すように、箱状回収部36は、前記筒部42、前記カバー体43及び角度変更板44を順次組み付けた後、機枠2に支持される補助不良品回収樋10B側に組み付け可能な構成となっている。また、図3及び図4に示すように、前記筒部42は、仕切壁35の一部を切り取った板部材47上に立設されており、該板部材47に前記筒部42と同芯状の開口を穿設して奥側取出口38aを形成してある。これにより、前記筒部42の一端側開口部を良品サンプル採取口38に、筒部42の他端側開口部を奥側取出口38aにそれぞれ形成されることになる。   Next, the box-shaped collection unit 36 will be described in detail. As shown in FIGS. 3 and 4, the box-like collection unit 36 is constructed by sequentially assembling the cylindrical part 42, the cover body 43, and the angle changing plate 44, and then the auxiliary defective product collection basket 10 </ b> B supported by the machine frame 2. It can be assembled to the side. As shown in FIGS. 3 and 4, the cylindrical portion 42 is erected on a plate member 47 obtained by cutting a part of the partition wall 35, and the plate member 47 is concentric with the cylindrical portion 42. A rear opening 38a is formed by drilling a shaped opening. Thereby, the one end side opening part of the said cylinder part 42 is formed in the non-defective sample collection port 38, and the other end side opening part of the cylinder part 42 is formed in the back side outlet 38a, respectively.

さらに、前記筒部42及び板部材47の構成について説明する。図4、図5及び図6に示すように、筒部42は不良品の流下方向上流側は三角屋根板51a,51bに形成する一方、流下方向下流側は水平板51cに形成している。これにより、不良品を左右方向に振り分けて流下させる構造になる。また、前記板部材47の一端辺には、前記仕切壁35に対する嵌め込み用係止片48a,48bを設ける一方、他端辺には、仕切壁35に設けた係止ピン50(図3参照)に板部材47を係止させる切欠49a,49bが設けられている。これにより、メンテナンスをする際には、箱状回収部36からカバー体43を取り外し、次いで、前記筒部42を手で持って手前に引き抜けば、板部材47が仕切壁35から離脱して大きな開口(図4の符号K)が形成されることになる。これにより、工具を使用することなく、前記良品回収樋9内の流穀板34が露出されることになり、エアーガンなどで圧縮空気を吹付けることで、良品回収樋9内を容易に清掃することができる。   Furthermore, the structure of the said cylinder part 42 and the board member 47 is demonstrated. As shown in FIGS. 4, 5, and 6, the cylindrical portion 42 is formed on the triangular roof plates 51 a and 51 b on the upstream side of the defective product in the flow direction, and is formed on the horizontal plate 51 c on the downstream side in the flow direction. Thereby, it becomes a structure which distributes inferior goods in the left-right direction, and flows down. In addition, one end side of the plate member 47 is provided with locking pieces 48a and 48b for fitting into the partition wall 35, while the other end side is provided with a locking pin 50 provided on the partition wall 35 (see FIG. 3). Notches 49a and 49b for locking the plate member 47 are provided. Accordingly, when performing maintenance, the plate member 47 is detached from the partition wall 35 by removing the cover body 43 from the box-shaped collection portion 36 and then pulling the cylinder portion 42 toward the front. A large opening (reference numeral K in FIG. 4) is formed. As a result, the non-defective product collecting bowl 9 in the non-defective product collecting bowl 9 is exposed without using a tool, and the inside of the non-defective article collecting bowl 9 is easily cleaned by blowing compressed air with an air gun or the like. be able to.

以下、上記構成の色彩選別機の作用について説明する。作業者が一次選別部や二次選別部の選別性能として選別率(不良品除去率)を知りたい場合、原料サンプルと、良品サンプルと、不良品サンプルとを採取することになる。例えば、良品サンプルを採取するときは、作業者は蓋体39を手前に引いて良品サンプル採取口38を開口し、良品サンプル採取口38からサンプル採取スコップ又は手を挿入してサンプルを掬い取ることで、良品サンプルを採取することができる(図7参照)。同様に不良品サンプルを採取するときは、作業者は蓋体41を手前に引いて不良品サンプル採取口40を開口し、不良品サンプル採取口40からサンプル採取スコップ又は手を挿入してサンプルを掬い取ることで、不良品サンプルを採取することができる。   The operation of the color sorter having the above configuration will be described below. When the operator wants to know the sorting rate (defective product removal rate) as the sorting performance of the primary sorting unit and the secondary sorting unit, a raw material sample, a non-defective product sample, and a defective product sample are collected. For example, when collecting a non-defective sample, the operator pulls the lid 39 forward to open the non-defective sample collecting port 38 and inserts a sample collecting scoop or hand from the non-defective sample collecting port 38 to scoop the sample. Thus, a non-defective sample can be collected (see FIG. 7). Similarly, when collecting the defective sample, the operator pulls the lid 41 forward to open the defective sample collecting port 40, and inserts a sample collecting scoop or hand from the defective sample collecting port 40 to sample the sample. By picking up, a defective sample can be collected.

そして、作業者が意図している量、例えば、粒数カウンターや品質測定装置における必要最少量のサンプルのみ採取して供給することができ、単に選別率を算出するだけの用途であれば、原料の損耗や、歩留の低下を抑制することができる。   And, if the usage is intended to calculate only the sorting rate, it is possible to collect and supply only the minimum amount of sample intended by the operator, for example, the particle number counter or quality measuring device. It is possible to suppress wear and decrease in yield.

また、メンテナンスをする際は、箱状回収部36からカバー体43を取り外し、次いで、前記筒部42を手で持って手前に引き抜けば、板部材47が仕切壁35から離脱して大きな開口が形成されることになる。これにより、工具を使用することなく、前記良品回収樋9内の流穀板34が露出され、エアーガンなどで圧縮空気を吹付けることで、良品回収樋9内を容易に清掃することができる。なお、機枠2から箱状回収部36ごと取り外せば、箱状回収部36の大掛かりな掃除をすることができる。   When maintenance is performed, the cover body 43 is removed from the box-shaped collection part 36, and then the plate part 47 is detached from the partition wall 35 and is opened to a large size by pulling the cylindrical part 42 forward. Will be formed. Thereby, without using a tool, the non-defective product collection basket 9 in the non-defective product collection basket 9 is exposed, and the inside of the non-defective product collection basket 9 can be easily cleaned by spraying compressed air with an air gun or the like. In addition, if the box-shaped collection | recovery part 36 is removed from the machine frame 2, the box-shaped collection | recovery part 36 can be cleaned extensively.

以上説明したように、本発明にあっては、作業者が意図している必要最少量のサンプルを採取することが可能であり、かつ、不良品回収樋及び良品回収樋を容易に清掃することを可能とした。なお、本発明の色彩選別機は、上記実施の形態に限らず、種々の設計変更が可能である。   As described above, in the present invention, it is possible to collect the minimum amount of sample intended by the operator, and easily clean the defective product collection basket and the non-defective product collection basket. Made possible. The color sorter of the present invention is not limited to the above embodiment, and various design changes can be made.

本発明は、サンプル取出部を備えた色彩選別機に適用することができる。   The present invention can be applied to a color sorter provided with a sample extraction unit.

1 色彩選別機
2 機枠
3A 一次選別部
3B 二次選別部
4 シュート
5 貯留タンク
6 振動フィーダ
7 光学検出部
8 エジェクターノズル
9 良品回収樋
10A 不良品回収樋
10B 補助不良品回収樋
11 シュートカバー
12 CCDカメラ
13 NIRカメラ
14 可視光源
15 近赤外光源
16 バックグラウンド
17 箱体
18 窓部材
19 点検扉
20 サブタンク
21 エア管
22 エジェクターバルブ
23 チューブ
25 電源基板
26 制御基板
27 エアシリンダ
28 前面ドア
29 操作盤
30 上段後面壁
31 中段後面壁
32 下段後面壁
33 流穀板
34 流穀板
35 仕切壁
36 箱状回収部
37 サンプル取出部
38 良品サンプル採取口
39 扉体
40 不良品サンプル採取口
41 扉体
42 筒部
43 カバー体
44 角度変更板
45 緩衝板
46 緩衝板
47 板部材
48 係止片
49 切欠
50 係止ピン
51a 屋根板
51b 屋根板
51c 水平板
52 電源スイッチ
53 不良品受口
54 良品受口
55 不良品受口
DESCRIPTION OF SYMBOLS 1 Color sorter 2 Machine frame 3A Primary sorter 3B Secondary sorter 4 Chute 5 Storage tank 6 Vibrating feeder 7 Optical detector 8 Ejector nozzle 9 Non-defective product recovery rod 10A Defective product recovery rod 10B Auxiliary defective product recovery rod 11 Shoot cover 12 CCD camera 13 NIR camera 14 Visible light source 15 Near infrared light source 16 Background 17 Box 18 Window member 19 Inspection door 20 Sub tank 21 Air tube 22 Ejector valve 23 Tube 25 Power supply board 26 Control board 27 Air cylinder 28 Front door 29 Operation panel 30 Upper rear wall 31 Middle rear wall 32 Lower rear wall 33 Dried grain plate 34 Dried grain plate 35 Partition wall 36 Box-shaped collection part 37 Sample extraction part 38 Non-defective sample collection port 39 Door body 40 Defective product sample collection port 41 Door body 42 Tube portion 43 Cover body 44 Angle changing plate 45 Buffer plate 46 Buffer plate 47 Member 48 engaging piece 49 notch 50 engaging pin 51a shingle 51b shingles 51c horizontal plate 52 power switch 53 defective receptacles 54 good receptacle 55 defective receptacle

Claims (5)

原料となる粒状物を流下させる移送手段と、該移送手段から落下する粒状物の落下軌跡に沿った位置に設けられる光学検出部と、該光学検出部のさらに下方に設けて正常な粒状物から不良品を除去するエジェクター手段と、該エジェクター手段の下方に設けられ、落下する粒状物に対して前記エジェクター手段の排除作用を受けずに良品を回収する良品回収樋と、該良品回収樋に並設され、前記粒状物に対してエジェクター手段による排除作用を受けて不良粒を回収する不良品回収樋とを備えた色彩選別機であって、
前記良品回収樋と前記不良品回収樋とを一体的にした箱状回収部を形成し、該箱状回収部には、前記良品回収樋と連通する良品サンプル採取口と前記不良品回収樋に連通する不良品サンプル採取口とを設けるとともに、該良品サンプル採取口及び不良品サンプル採取口には、それぞれの開口を閉鎖可能とする蓋体を設け
さらに、前記箱状回収部には、前記良品サンプル採取口と前記良品回収樋とを連通させるために、前記不良品回収樋の縦断面視において、不良品の流下方向に対してほぼ直角に横断する通路を介設したことを特徴とする色彩選別機。
From the transfer means for flowing down the granular material as the raw material, the optical detection unit provided at a position along the dropping locus of the granular material falling from the transfer means, and the normal detection unit provided further below the optical detection unit Ejector means for removing defective products, a non-defective product recovery basket provided below the ejector means for recovering non-defective products without dropping action of the ejector means on the falling particulate matter, and the non-defective product recovery basket A color sorter provided with a defective product collecting basket for collecting defective particles by receiving an exclusion action by an ejector means on the granular material,
A box-shaped collection unit is formed by integrating the non-defective product collection basket and the defective product collection basket, and the box-shaped collection unit includes a non-defective sample collection port communicating with the non-defective product collection basket and the defective product collection basket. Rutotomoni provided a defective sampling port communicating with, the該良product sampling port and defective sampling port, provided the cover to allow closing the respective opening,
Further, the box-shaped collecting section is crossed substantially perpendicularly to the flow direction of the defective product in a longitudinal sectional view of the defective product collecting rod in order to communicate the non-defective sample collecting port and the non-defective product collecting rod. A color sorter characterized in that a passage is provided .
前記通路は、前記良品サンプル採取口と前記良品回収樋との間に介設する筒部によって形成され、該筒部が、前記良品回収樋と前記不良品回収樋とを仕切る仕切壁の一部を切り取った板部材上に立設されている請求項記載の色彩選別機。 The passage is formed by a cylindrical portion interposed between the non-defective sample collecting port and the non-defective product collecting tub, and the cylindrical portion is a part of a partition wall that partitions the non-defective product collecting tub and the defective product collecting tub. The color sorter according to claim 1 , wherein the color sorter is erected on a plate member from which the material is cut off. 前記板部材が、前記良品回収樋と前記不良品回収樋とを仕切る仕切壁に脱着可能に嵌合されている請求項記載の色彩選別機。 The color sorter according to claim 2 , wherein the plate member is detachably fitted to a partition wall that partitions the non-defective product collecting basket and the defective product collecting basket. 前記筒部は、前記不良品回収樋内の不良品を左右方向に振り分けて流下させるべく、不良品の流下方向上流側を三角屋根形状に形成してなる請求項又はのいずれかに記載の色彩選別機。 The tubular part, according to the order to flow down the defective products distributed in the lateral direction of the defective recovering the trough, or triangular roof shape formed comprising the claims 2 or 3 the flow-down direction upstream side of the defective Color sorter. 前記箱状回収部が、機枠に対して脱着可能に嵌合されている請求項1からのいずれかに記載の色彩選別機。 The color sorter according to any one of claims 1 to 4 , wherein the box-shaped collection unit is detachably fitted to the machine frame.
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