JP2001321726A - Foreign substance removal apparatus - Google Patents
Foreign substance removal apparatusInfo
- Publication number
- JP2001321726A JP2001321726A JP2001035023A JP2001035023A JP2001321726A JP 2001321726 A JP2001321726 A JP 2001321726A JP 2001035023 A JP2001035023 A JP 2001035023A JP 2001035023 A JP2001035023 A JP 2001035023A JP 2001321726 A JP2001321726 A JP 2001321726A
- Authority
- JP
- Japan
- Prior art keywords
- foreign matter
- granular material
- matter removing
- transfer
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、粉粒体に混入し
ている異物を除去する装置に関し、特に、振動移送板上
の粉粒体を振動移送させながら、粉粒体とは比重や形状
が異なっている異物を効果的、且つ、確実に除去するこ
とができる異物除去装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing foreign matter mixed in a granular material, and more particularly to a specific gravity and shape of the granular material while vibrating the granular material on a vibration transfer plate. The present invention relates to a foreign matter removing device capable of effectively and reliably removing foreign matters having different sizes.
【０００２】[0002]
【従来の技術】従来、医薬品、食料品、農薬、飼料、ペ
ットフード又は各種の工業薬品等の各分野において、粉
末状や顆粒状等の原料及び製品（以下、粉粒体と称す）
が利用されている。2. Description of the Related Art Conventionally, in various fields such as pharmaceuticals, foodstuffs, agricultural chemicals, feeds, pet foods and various industrial chemicals, raw materials and products such as powders and granules (hereinafter referred to as powders and granules).
Is used.
【０００３】この粉粒体を、製造原料として二次加工に
利用し、或いはそのまま製品として利用する場合、貯蔵
・輸送・加工・検査・包装等の連続工程を経るのが一般
的であり、各工程中の移送過程において、各種の異物が
混入するのが実状である。また、異物は、入荷当初から
混入していることもある。[0003] When this powder or granule is used as a raw material for secondary processing or as it is as a product, it generally undergoes continuous processes such as storage, transportation, processing, inspection and packaging. In reality, various foreign substances are mixed in the transfer process during the process. In addition, foreign matter may have been mixed in from the beginning of receipt.
【０００４】混入する異物は、髪の毛、糸屑、繊維、
虫、紙屑、樹脂片、布切れ、変質粉体、金属薄片、或い
は金属錆等、多種多様に及び、その比重も形状も種々雑
多である。The foreign substances to be mixed in include hair, lint, fibers,
Insects, paper scraps, resin chips, pieces of cloth, altered powder, metal flakes, metal rust, etc. are diverse and their specific gravities and shapes are various.
【０００５】ところで、これらの異物が粉粒体に混入す
ることにより、粉粒体の本来の品質や性能を劣化させ或
いは変質させてしまうことがある。[0005] By the way, when these foreign substances are mixed into the granular material, the original quality and performance of the granular material may be deteriorated or deteriorated.
【０００６】このような混入異物を除去するため、例え
ば、特開平７−１１６６１１号公報には、透明体物中に
混在する異物の除去装置が開示されている。これは、コ
ンベア搬送路（ベルトコンベア）の透明体物に混在する
不透明異物を除去するために、コンベアからの自由落下
物にレーザ光線を走査させ、反射光を受光した固体撮像
素子カメラで不透明異物を判別した場合、ノズルからエ
アーを噴射させ除去するものである。In order to remove such contaminants, for example, Japanese Patent Application Laid-Open No. Hei 7-116611 discloses an apparatus for removing contaminants mixed in a transparent object. In order to remove opaque foreign matter mixed in a transparent object on the conveyor path (belt conveyor), a free-falling object from the conveyor is scanned with a laser beam, and a solid-state image sensor camera that receives reflected light receives opaque foreign matter. Is determined, the air is ejected from the nozzle to remove it.
【０００７】また、特開平１０−２５５８６１号公報に
は、雑多の小片物が付着する大解砕物を、ステンレス鋼
製のメッシュ状ベルトコンベアで搬送し、この搬送面を
上下方向に振動させながら上方から水をシャワーさせ
て、付着物を除去する方法が開示されている。Japanese Unexamined Patent Application Publication No. 10-255861 discloses that a large crushed material to which miscellaneous small pieces adhere is conveyed by a stainless steel mesh belt conveyer, and the conveyed surface is vibrated up and down while being lifted upward. A method is disclosed in which water is showered from the substrate to remove deposits.
【０００８】その他、粉粒体に混入した異物を除去する
ための方法として、異なるメッシュを組合わせた振動篩
いによる篩い分け除去、搬送コンベア上における非金属
異物の静電気浮遊吸引や金属異物の磁気吸引による除
去、サイクロン式分離除去、或いは目視による除去等が
知られている。[0008] Other methods for removing foreign matter mixed in the granular material include sieving and removing by a vibrating sieve combined with different meshes, electrostatic floating suction of non-metallic foreign matter on a conveyor, and magnetic suction of metal foreign matter. Removal, cyclone separation removal, or visual removal, etc., are known.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら、振動篩
いを用いた場合、メッシュの目詰まりを頻繁に発生させ
て作業効率、除去効率の低下をもたらしてしまい、その
上、騒音の発生が避けられない。また、磁気吸引の場
合、金属や金属酸化物の磁性体の異物しか除去できず、
静電気浮遊吸引の場合、非金属物の異物しか除去でき
ず、装置のコンパクト化も困難である。However, when a vibrating sieve is used, clogging of the mesh frequently occurs, resulting in a decrease in work efficiency and removal efficiency, and furthermore, generation of noise is inevitable. . In addition, in the case of magnetic attraction, it is possible to remove only foreign substances of a magnetic substance such as metal or metal oxide,
In the case of electrostatic floating suction, only non-metallic foreign matter can be removed, and it is difficult to make the apparatus compact.
【００１０】また、搬送ベルトを介した落下時の撮像素
子カメラ検知の場合、粉粒体の落下状況により検知力の
バラツキが発生し易い。同様に搬送ベルトを介して、磁
気吸引、静電気浮遊、目視及び撮像素子カメラ等を組み
合わせたとしても、搬送ベルトに乗せられ搬送される粉
粒体から、その中に埋もれている異物まで確実に検知し
除去することはできなかった。Further, in the case of detecting the camera of the image pickup device at the time of dropping via the transport belt, the detection force tends to vary depending on the state of dropping of the granular material. Similarly, even if magnetic attraction, electrostatic levitation, visual and image sensor cameras are combined via a conveyor belt, it is possible to reliably detect particles and other foreign materials buried in the conveyor belt. And could not be removed.
【００１１】この発明の目的は、粉粒体に混入している
種々雑多な異物を効率良く高い確率で除去することがで
き、しかも、コンパクト化が可能な異物除去装置を提供
することである。SUMMARY OF THE INVENTION An object of the present invention is to provide a foreign substance removing apparatus which can efficiently remove various miscellaneous foreign substances mixed in a granular material with a high probability and can be made compact.
【００１２】[0012]
【課題を解決するための手段】上記目的を達成するた
め、この発明に係る異物除去装置は、粉粒体の移送中
に、前記粉粒体に混入している異物を除去する異物除去
装置において、前記粉粒体が移送される移送面が、前記
粉粒体の移送方向に対し水平或いは下り勾配を有して設
置されると共に、前記移送面上を前記粉粒体が振動状態
で移送されるように振動が加えられた振動移送板と、前
記移送面の上方に配置され、移送に際し前記粉粒体上に
浮遊分離された浮遊異物を検知する検知装置と、前記検
知装置からの検知信号を受けて前記浮遊異物を吸引し前
記粉粒体から除去する吸引除去ノズルとを有することを
特徴している。In order to achieve the above object, a foreign matter removing apparatus according to the present invention is directed to a foreign matter removing apparatus for removing foreign matter mixed in a granular material during transfer of the granular material. A transfer surface on which the granular material is transferred is installed with a horizontal or downward gradient with respect to the transfer direction of the granular material, and the granular material is transferred on the transfer surface in a vibrating state. A vibration transfer plate to which vibration is applied as described above, a detection device disposed above the transfer surface, and detecting a floating foreign matter floating and separated on the granular material during transfer, and a detection signal from the detection device. And a suction-removal nozzle that receives the floating foreign matter and removes the suspended foreign matter from the granular material.
【００１３】上記構成を有することにより、振動移送板
は、粉粒体が移送される移送面が粉粒体の移送方向に対
し水平或いは下り勾配を有して設置され、粉粒体が振動
状態で移送されるように振動が加えられる。移送に際し
粉粒体上に浮遊分離された浮遊異物は、移送面の上方に
配置された検知装置により検知され、検知装置からの検
知信号を受けた吸引除去ノズルにより浮遊異物が吸引さ
れて、粉粒体から除去される。By virtue of the above construction, the vibration transfer plate is provided such that the transfer surface on which the granular material is transported is horizontally or downwardly inclined with respect to the direction in which the granular material is transported. Vibration is applied so as to be transported at. Floating foreign matter floating and separated on the granular material during transfer is detected by a detection device arranged above the transfer surface, and the floating foreign matter is sucked by a suction removal nozzle which receives a detection signal from the detection device, and the powder is removed. Removed from the granules.
【００１４】これにより、粉粒体に混入している種々雑
多な異物を効率良く高い確率で除去することができ、し
かも、コンパクト化が可能となる。[0014] This makes it possible to efficiently remove various foreign substances mixed in the powder and granules with a high probability, and to make the apparatus compact.
【００１５】即ち、この発明に係る異物除去装置によ
り、異物が混入した粉粒体を、側壁を有する振動移送板
上を振動移送させながら混入異物を除去することができ
る。That is, with the foreign matter removing apparatus according to the present invention, the foreign matter mixed in can be removed while the granular material mixed with the foreign matter is vibrated and transferred on the vibration transfer plate having the side wall.
【００１６】振動移送板は、その裏側に設けられた加振
装置で振動されることで、振動移送状態にある粉粒体上
に異物が浮遊し、それを検知する検知装置からの検知信
号を受けて、吸引除去ノズルが浮遊異物を吸引し除去す
る。また、振動移送板には、粉粒体が供給される移送面
の少なくとも一箇所に、振動移送されて粉粒体中から沈
降分離された異物を溜める溝が設けられる。The vibration transfer plate is vibrated by a vibration device provided on the back side of the vibration transfer plate, so that a foreign substance floats on the granular material in a vibration transfer state, and a detection signal from a detection device for detecting the foreign matter is received. In response, the suction removal nozzle sucks and removes the floating foreign matter. In addition, the vibration transfer plate is provided with a groove in at least one position on a transfer surface to which the granular material is supplied, for accumulating the foreign matter which is transferred by vibration and settled and separated from the granular material.
【００１７】その結果、粉粒体から沈降分離した粉粒体
自体より比重の大きな異物は、移送面の溝に溜められ、
粉粒体自体より比重が小さく、及び／又は、髪の毛、
糸、紙屑・樹脂片等の粉粒体とは異なった形状の異物
は、粉粒体上の浮遊異物として、検知装置で容易に検知
され吸引除去ノズルで効果的に除去される。As a result, foreign matter having a higher specific gravity than the granular material itself settled and separated from the granular material is accumulated in the groove of the transfer surface,
Specific gravity smaller than the powder itself and / or hair,
Foreign matter having a shape different from that of the granular material, such as yarn, paper waste, and resin fragments, is easily detected by the detecting device as floating foreign matter on the granular material, and is effectively removed by the suction removal nozzle.
【００１８】また、供給された粉粒体を整流させる整流
器と、所定の間隙として調整されるゲート板との組合わ
せからなる整流装置により、供給され加振された異物混
入の粉粒体を、所定の厚さに整えて移送面上を移送させ
ることかできる。The rectifier, which is a combination of a rectifier for rectifying the supplied granular material and a gate plate adjusted as a predetermined gap, removes the supplied and vibrated foreign-material mixed particle. It can be adjusted to a predetermined thickness and transferred on the transfer surface.
【００１９】粉粒体は、加振と傾斜（下り勾配）により
跳躍運動と前進運動が付与され、摩擦力によるモーメン
トが生じて自在に回転するスパイラル状の整流器により
整流され、更に、移送面に対し上下に可動するゲート板
により移送面との間隙が調整されて、移送面上を移送さ
れる。The granular material is given a jumping motion and an advancing motion by vibrating and tilting (downward slope), generates a moment due to frictional force, is rectified by a spiral rectifier that rotates freely, and is further rectified on a transfer surface. On the other hand, the gap with the transfer surface is adjusted by the vertically movable gate plate, and the transfer is performed on the transfer surface.
【００２０】[0020]
【発明の実施の形態】以下、この発明の実施の形態につ
いて図面を参照して説明する。 （第１の実施の形態）図１は、この発明の第１の実施の
形態に係る異物除去装置の概略構成を示す斜視図であ
る。図２は、図１の整流装置の概略構成を示す斜視図で
ある。図３は、図１の振動移送板の部分斜視図である。Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a perspective view showing a schematic configuration of a foreign matter removing apparatus according to a first embodiment of the present invention. FIG. 2 is a perspective view showing a schematic configuration of the rectifier of FIG. FIG. 3 is a partial perspective view of the vibration transfer plate of FIG.
【００２１】図４は、図１の振動伝達ハウジングの概略
構成を示す説明図である。図５は、振動状態にある板の
挙動説明図である。図６は、図１の異物除去装置におけ
る異物除去動作の説明図である。FIG. 4 is an explanatory diagram showing a schematic configuration of the vibration transmitting housing of FIG. FIG. 5 is an explanatory diagram of the behavior of the plate in a vibration state. FIG. 6 is an explanatory diagram of the foreign matter removing operation in the foreign matter removing device of FIG.
【００２２】上述したように、この発明に係る異物除去
装置に設けられる振動移送板は、従来のように、供給さ
れた粉粒体をそのまま無端状のコンベアベルト上に載せ
て搬送させながら処理をするものではない。即ち、振動
移送板自体がコンベアベルトのように移動するのではな
く、振動移送板による加振又は加振と下り傾斜により、
粉粒体それ自体に跳躍運動と前進運動が付与されて、粉
粒体の移送が行われる。As described above, the vibration transfer plate provided in the foreign matter removing device according to the present invention performs processing while placing the supplied granular material as it is on an endless conveyor belt and transporting the same as in the prior art. It does not do. That is, instead of the vibration transfer plate itself moving like a conveyor belt, the vibration transfer plate or the vibration and the vibration and the downward inclination cause
A jumping motion and a forward motion are given to the granular material itself, and the granular material is transferred.
【００２３】図１に示すように、振動移送板２は、粉粒
体の移送面Ｐ（Ｐ1 ，Ｐ2 ，Ｐ3 ）を形成し、その長手
方向に沿って両側に形成された側壁２ｂを有している。
移送面Ｐ上の粉粒体が供給される側の少なくとも１箇所
には、異物溜まりとしての溝６が設けられている。溝６
には、例えば、粉粒体自体の比重より重い混入異物が溜
められる。粉粒体自体の比重より重い混入異物は、移送
中、振動状態にある粉粒体中の最下層へと粉粒体中を沈
降分離し、沈降異物として振動移送板２上の溝６に落ち
込み溜められる。As shown in FIG. 1, the vibration transfer plate 2 forms a transfer surface P (P 1 , P 2 , P 3 ) of the granular material, and has side walls 2 b formed on both sides along the longitudinal direction. have.
At least one portion of the transfer surface P on the side to which the granular material is supplied is provided with a groove 6 as a foreign matter reservoir. Groove 6
For example, contaminants that are heavier than the specific gravity of the granular material itself are stored. Foreign matter heavier than the specific gravity of the granular material itself sediments and separates into the lowest layer of the vibrating granular material during transfer, and falls into the groove 6 on the vibration transfer plate 2 as sedimentary foreign matter. Can be stored.
【００２４】この溝６は、１箇所に限らず、望ましくは
２箇所以上に設け、異物量や処理量等に応じて３〜４箇
所としてもよい。溝６は、その設ける方向や形状等につ
いて、特に限定されないが、例えば、振動移送板２の長
手方向に対し直交する方向（幅方向）に沿うように、設
けることができる。The groove 6 is not limited to one location, but may be provided at two or more locations, and may be provided at three or four locations in accordance with the amount of foreign matter and the amount of processing. The direction and shape of the groove 6 are not particularly limited. For example, the groove 6 can be provided along a direction (width direction) orthogonal to the longitudinal direction of the vibration transfer plate 2.
【００２５】また、振動移送板２には、その長手方向の
中間箇所、或いは更に排出側に近い場所の上方に、異物
を検知するための検知装置１３ａが設けられている。Further, the vibration transfer plate 2 is provided with a detection device 13a for detecting a foreign substance above an intermediate position in the longitudinal direction or a position closer to the discharge side.
【００２６】即ち、粉粒体は、供給された振動移送板２
上で振動状態となり、例えば、下り勾配を有するこの振
動移送板２上を、振動状態のまま排出側に向かって移送
される。粉粒体の移送時、粉粒体自体の比重より軽い、
髪の毛、糸屑、繊維屑、紙屑、樹脂片等の異形物等は、
粉粒体上に浮遊する傾向にある。That is, the granular material is supplied to the supplied vibration transfer plate 2.
Then, it is vibrated, and is transferred toward the discharge side while being vibrated, for example, on the vibration transfer plate 2 having a downward slope. Lighter than the specific gravity of the powder itself when transferring the powder,
Irregular objects such as hair, thread waste, fiber waste, paper waste, resin fragments,
It tends to float on powders.
【００２７】検知装置１３ａは、移送に際し粉粒体上に
浮遊分離された、これらの浮遊異物を効率よく識別検知
するため、必要に応じて複数個設けられる。その個数
は、検知装置の検知能力によって異なる。A plurality of the detecting devices 13a are provided as necessary in order to efficiently identify and detect these suspended foreign substances which have been suspended and separated on the granular material during transfer. The number depends on the detection capability of the detection device.
【００２８】例えば、この検知装置が固体撮像素子カメ
ラであり、撮像素子が２次元エリアセンサ方式であれ
ば、振動移送板２の幅方向（長手方向に直交する方向）
上方に複数個設ける。撮像素子が１次元ラインセンサ方
式であれば、振動移送板２の幅方向上方に１個又は複数
個設ける。なお、上記両方式の固体撮像素子カメラを組
み合わせて検知装置としてもよい。For example, if the detection device is a solid-state image sensor camera and the image sensor is a two-dimensional area sensor system, the width direction of the vibration transfer plate 2 (the direction orthogonal to the longitudinal direction).
A plurality is provided above. If the image sensor is a one-dimensional line sensor system, one or a plurality of them are provided above the vibration transfer plate 2 in the width direction. The detection device may be a combination of both types of solid-state imaging device cameras.
【００２９】また、振動移送板２の上方には、検知され
た異物を除去するための吸引除去ノズル１５が設けられ
ている。吸引除去ノズル１５は、検地装置１３ａからの
検知信号を受けてコンピュータ処理を行い、浮遊異物が
振動移送板２の幅方向何処に位置するのかを確認するこ
とにより、浮遊異物を効果的に吸引し粉粒体から除去す
ることができる。Above the vibration transfer plate 2, there is provided a suction removing nozzle 15 for removing the detected foreign matter. The suction removal nozzle 15 performs a computer process in response to the detection signal from the detection device 13a, and confirms where the floating foreign matter is located in the width direction of the vibration transfer plate 2, thereby effectively sucking the floating foreign matter. It can be removed from the granules.
【００３０】また、振動移送板２上の、粉粒体を供給す
るホッパフィーダ１のフィード口１ｂと溝６との間に
は、ゲート板３と整流器（図２参照）からなり、移送さ
れる粉粒体の流れを整える整流装置３４が設けられてい
る。A gate plate 3 and a rectifier (see FIG. 2) are transferred between the groove 6 and the feed port 1b of the hopper feeder 1 for supplying the granular material on the vibration transfer plate 2. A rectifying device 34 that regulates the flow of the granular material is provided.
【００３１】この整流装置３４により、振動移送板２
は、移送面Ｐの溝６より上流に、移送面Ｐを所定厚みの
粉粒体層として流れるように粉粒体の流れが整えられ
る。The rectifying device 34 allows the vibration transfer plate 2
The flow of the granular material is adjusted so that the granular material layer having a predetermined thickness flows on the transport surface P upstream of the groove 6 of the transport surface P.
【００３２】図２に示すように、整流器４は、溝６側に
位置するゲート板３に隣接して設けられており、ゲート
板３は、振動移送板２の幅方向に沿って、移送面及び両
側壁２ｂにほぼ直交して設置されている。As shown in FIG. 2, the rectifier 4 is provided adjacent to the gate plate 3 located on the groove 6 side, and the gate plate 3 is moved along the width direction of the vibration transfer plate 2. And it is installed substantially orthogonally to both side walls 2b.
【００３３】この整流器４は、ホッパフィーダ１から供
給されて加振された粉粒体を整流させるものであり、例
えば、回転自在のスパイラル状ワイヤからなる治具を使
用することができる。このスパイラル状の整流器４は、
振動移送板２の両側壁２ｂ，２ｂの内側にそれぞれ設け
た円柱状の各突起４ａに、回転自在に装着される。装着
された整流器４は、必要に応じ、突起４ａを介して外部
駆動手段（図示しない）により回転させることもでき
る。The rectifier 4 is for rectifying the granular material supplied from the hopper feeder 1 and vibrated. For example, a jig made of a rotatable spiral wire can be used. This spiral rectifier 4
The vibration transfer plate 2 is rotatably mounted on each of columnar projections 4a provided inside the both side walls 2b, 2b. The mounted rectifier 4 can be rotated by external driving means (not shown) via the protrusion 4a, if necessary.
【００３４】ゲート板３は、その上端面に取り付けた補
助板３ａを介して、両側壁２ｂ，２ｂに装着される。補
助板３ａの両端には、振動移送板２にほぼ垂直に角ネジ
３ｃが取り付けられ、角ネジ３ｃの先端部は、各側壁２
ｂの外側に固定された角ネジナット３ｄに、ネジ込み固
定される。The gate plate 3 is mounted on both side walls 2b, 2b via an auxiliary plate 3a mounted on the upper end surface. At both ends of the auxiliary plate 3a, a square screw 3c is attached substantially perpendicular to the vibration transfer plate 2, and the tip of the square screw 3c is attached to each side wall 2a.
It is screwed and fixed to a square screw nut 3d fixed outside of b.
【００３５】この角ネジ３ｃのヘッド摘み３ｂを左右に
回転させると、ゲート板３は、角ネジ３ｃの回転動作に
伴い、角ネジ３ｃの中心軸線Ａ−Ａ′に沿って上下動す
る（図中、矢印参照）。よって、ヘッド摘み３ｂを回転
調整することにより、ゲート板３と振動移送板２との間
に、移送されて来る粉粒体が通り抜けられる所定の間隙
を設けることができる。When the head knob 3b of the square screw 3c is rotated left and right, the gate plate 3 moves up and down along the central axis AA 'of the square screw 3c with the rotation of the square screw 3c (FIG. Middle, see arrow). Therefore, by adjusting the rotation of the head knob 3b, it is possible to provide a predetermined gap between the gate plate 3 and the vibration transfer plate 2 through which the transferred granular material can pass.
【００３６】スパイラル状の整流器４の材質としては、
例えば、ステンレスやチタン等の金属、防食メッキ鉄、
プラスチック、ガラス、セラミック等を用いることがで
きる。The material of the spiral rectifier 4 is as follows.
For example, metals such as stainless steel and titanium, anticorrosion plated iron,
Plastic, glass, ceramic, or the like can be used.
【００３７】図３に示すように、振動移送板２は、ベー
ス板２ｃに重ねて設けた粉粒体移送板２ａを有してい
る。粉粒体移送板２ａは、粉粒体の移送面Ｐを形成し、
粉粒体受けとなる側壁２ｂによりその両側からこぼれ落
ちないように、供給された粉粒体を排出口まで移送す
る。As shown in FIG. 3, the vibration transfer plate 2 has a granular material transfer plate 2a provided so as to overlap the base plate 2c. The granular material transfer plate 2a forms a granular material transfer surface P,
The supplied granules are transferred to the discharge port so that the granules are not spilled from both sides by the side wall 2b serving as the granule receiver.
【００３８】粉粒体移送板２ａは、両側壁２ｂ，２ｂの
内側面とベース板２ｃとにより、ベース板２ｂ上を摺動
して抜き差し可能に装着されており、随時抜き取って取
り替えることができる。従って、移送対象の粉粒体の粒
度（平均粒径）、比重、嵩密度、粒子形状、吸湿性等に
係わる移送性によって、ＪＩＳ Ｂ０６０１に準拠する
測定法により測定された、高さ（Ｒｙ）で表される表面
粗度（Ｒｙ）が約０．１〜２００μｍの範囲にある粉粒
体移送板２ａを、適宜交換して使用することができる。The granular material transfer plate 2a is slidably mounted on the base plate 2b by the inner surfaces of both side walls 2b, 2b and the base plate 2c, and can be removed and replaced at any time. . Therefore, the height (Ry) measured by a measurement method in accordance with JIS B0601 by the transferability relating to the particle size (average particle size), specific gravity, bulk density, particle shape, hygroscopicity, and the like of the granular material to be transferred. The granular material transfer plate 2a having a surface roughness (Ry) represented by the following formula in the range of about 0.1 to 200 [mu] m can be appropriately replaced and used.
【００３９】この表面粗度が下限値未満の場合、粉粒体
を安定して振動・移送させることができず、上限値を超
えた場合、粉粒体が粉粒体移送板２ａ表面の凹部に付着
して振動・移送を著しく低下させる。When the surface roughness is less than the lower limit, the particles cannot be vibrated or transferred stably, and when the surface roughness exceeds the upper limit, the particles are not recessed on the surface of the plate 2a. And greatly reduces vibration and transfer.
【００４０】また、振動移送板２は、その裏側に設けら
れた加振装置８（図１参照）により加振されることで、
粉粒体の移送面Ｐに振動を伝達させている。The vibration transfer plate 2 is vibrated by a vibration device 8 (see FIG. 1) provided on the back side thereof,
Vibration is transmitted to the transfer surface P of the granular material.
【００４１】図４に示すように、振動移送板２の裏面側
には、振動伝達ハウジング５が密着状態に重ねられて適
宜設けられている。この振動伝達ハウジング５は、空洞
型の長方形の箱状に形成され、内部には、所定の間隔で
その幅方向にほぼ垂直に掛け渡された、複数の補強支持
板５ａを有している。このようなハウジング構造とする
ことで、長手方向に対しての撓みを防止し或いは低減さ
せることができる。As shown in FIG. 4, a vibration transmitting housing 5 is provided on the rear side of the vibration transfer plate 2 so as to be in close contact with the vibration transmitting housing 2 as needed. The vibration transmission housing 5 is formed in a hollow rectangular box shape, and has a plurality of reinforcing support plates 5a which are extended substantially vertically in the width direction at predetermined intervals. With such a housing structure, bending in the longitudinal direction can be prevented or reduced.
【００４２】ところで、振動状態にある長方形の板が支
点を中心にして加振された場合、一般的には、図５に示
すように、加振前の板の水平（Ｇ−Ｇ′）方向に対し、
１次モードの撓み、２次モードの撓み或いは３次モード
の撓みにより撓んだ状態で振動する傾向がある。ここ
で、１次モードの撓みとは、先端方向にせり上がる形の
撓みであり、２次モードの撓みとは、中央部が山形に盛
り上がる形の撓みであり、３次モードの撓みとは、正弦
波形の撓みである。When a rectangular plate in a vibrating state is vibrated about a fulcrum, generally, as shown in FIG. 5, the horizontal (G-G ') direction of the plate before the vibration is applied. Against
It tends to vibrate in a state of being bent by bending in the primary mode, bending in the secondary mode, or bending in the tertiary mode. Here, the bending in the primary mode is a bending in the form of rising in the tip direction, the bending in the secondary mode is a bending in the shape of a ridge in the center, and the bending in the tertiary mode is This is a sinusoidal deflection.
【００４３】即ち、一枚板を介して振動伝達を行った場
合、上述した各種モードの撓みで振動してしまい安定し
た振動の伝達が困難であるため、加振された振動移送板
２上の粉粒体は、複数方向に移送（移動）されたり、一
部が加振・移送されなくなったりしてしまう。That is, when the vibration is transmitted through a single plate, it is vibrated by the above-described various modes of bending and it is difficult to transmit the stable vibration. The granular material is transferred (moved) in a plurality of directions, or a part of the powder is not vibrated or transferred.
【００４４】従って、振動移送板２をその下部に設けた
加振装置８によって加振させる場合、振動支点となる加
振装置８の取付場所及び振動伝達方法が重要になる。こ
の発明に係る異物除去装置は、加振装置８を可能な限り
粉粒体の供給側寄りに位置させることで、供給後に振動
させられながら排出側へと向かう粉粒体の移送方向が単
一となるようにしている。Therefore, when the vibration transfer plate 2 is vibrated by the vibration device 8 provided below the vibration transfer plate 2, the mounting location of the vibration device 8 serving as a vibration fulcrum and the method of transmitting vibration are important. In the foreign matter removing device according to the present invention, the vibrating device 8 is positioned as close as possible to the supply side of the granular material, so that the transfer direction of the granular material toward the discharge side while being vibrated after the supply is single. I am trying to be.
【００４５】その上、上述した振動伝達ハウジング５を
介することにより、振動によるこれらの撓みが防止され
或いは著しく低減されて、加振装置８から振動を効果的
に伝達することができる。In addition, by virtue of the above-described vibration transmitting housing 5, these bending due to vibration is prevented or significantly reduced, and the vibration can be effectively transmitted from the vibrating device 8.
【００４６】また、振動エネルギの伝達には、可能な限
り軽量であることが望ましいことから、振動伝達ハウジ
ング５は、アルミニウム金属又はその合金等の軽量部材
を用いて形成し、補強支持板５ａは、軽量、且つ、高強
度の金属製ハニカム板を使用している。Further, since it is desirable to transmit vibration energy as lightly as possible, the vibration transmission housing 5 is formed by using a lightweight member such as an aluminum metal or an alloy thereof, and the reinforcing support plate 5a is formed. A lightweight, high-strength metal honeycomb plate is used.
【００４７】この加振装置８は、振動防止とサージング
防止のために、絶縁性のスプリングバネ７を介して、共
通基板１０に固定されている。共通基板１０は、振動伝
達ハウジング５に対向し、且つ、振動移送板２の移送面
Ｐとほぼ平行に設けられ、ねじ込み式の支持具９ａ，９
ｂにより、共通架台１７に固定可能に保持される。The vibrating device 8 is fixed to the common substrate 10 via an insulating spring 7 to prevent vibration and surging. The common substrate 10 is provided to face the vibration transmission housing 5 and substantially in parallel with the transfer surface P of the vibration transfer plate 2, and is provided with screw-type supports 9 a and 9.
By b, it is held so that it can be fixed to the common stand 17.
【００４８】支持具９ａは、共通基板１０の供給側の両
隅近傍に一組（図４参照、他方図示せず）、支持具９ｂ
は、共通基板１０の排出側の両隅近傍に一組（図４参
照、他方図示せず）、それぞれ設けられている。A pair of supporting members 9a (see FIG. 4, not shown) are provided near both corners on the supply side of the common substrate 10, and the supporting members 9b
Are provided in the vicinity of both corners on the discharge side of the common substrate 10 (see FIG. 4, the other not shown), respectively.
【００４９】従って、これらの支持具（９ａ，９ｂ）の
高さを調整することにより、振動移送板２の移送面の幅
方向における水平調整が可能となり、更に、長手方向に
おける移送面の傾斜調整が可能となる。よって、粉粒体
の移送面を、排出側に向かう下り勾配とすることができ
る。Therefore, by adjusting the height of these supports (9a, 9b), horizontal adjustment of the transfer surface of the vibration transfer plate 2 in the width direction becomes possible, and further, inclination adjustment of the transfer surface in the longitudinal direction. Becomes possible. Therefore, the transfer surface of the granular material can have a downward slope toward the discharge side.
【００５０】なお、この振動移送板２を水平状態に保持
させても、装置自体が振動移送板２に対して供給側に傾
斜する方向に振動する装置を設けることで、水平状態で
も粉粒体を移送させることができる。It should be noted that even if the vibration transfer plate 2 is held in a horizontal state, by providing a device that vibrates in a direction inclined to the supply side with respect to the vibration transfer plate 2, even when the vibration transfer plate 2 is in the horizontal state, Can be transported.
【００５１】また、粉粒体の移送を加速させる観点か
ら、振動移送板２を、必要に応じてその長手方向（粉粒
体を移送する方向）に対し下り勾配（下り傾斜）とし、
角度範囲約０〜１５°に適宜調整することができる。こ
こで、角度０°は上述した水平状態であり、下限値未満
の逆勾配は必要としない。一方、上限値を超えた下り勾
配では、粉粒体が加速され過ぎて単に重力落下するだけ
になり好ましくない。From the viewpoint of accelerating the transfer of the granular material, the vibration transfer plate 2 may have a downward slope (downward slope) with respect to its longitudinal direction (the direction in which the granular material is transferred) as necessary.
The angle range can be appropriately adjusted to about 0 to 15 °. Here, the angle 0 ° is the horizontal state described above, and does not require a reverse gradient less than the lower limit. On the other hand, a downward gradient exceeding the upper limit value is not preferable because the granular material is excessively accelerated and simply drops by gravity.
【００５２】検知装置１３ａとしての固体撮像素子カメ
ラは、その感度が可視光線用或いは紫外線用の、例えば
ＣＣＤ（ｃｈａｒｇｅ ｃｏｕｐｌｅｄ ｄｅｖｉｃ
ｅ）光学カメラを適宜使用することができる。更に、粉
粒体及び混入異物種によって或いは色調等によって、浮
遊異物の識別検知を高めるために、モノクロ式或いはフ
ルカラー式を適宜使用することができる。The solid-state image pickup device camera as the detection device 13a has a sensitivity for visible light or ultraviolet light, for example, a CCD (charge coupled device).
e) Optical cameras can be used as appropriate. Further, a monochrome or full-color system can be used as appropriate in order to enhance the detection of the identification of the suspended foreign matter depending on the type of the granular material and the mixed foreign matter or the color tone.
【００５３】この検知装置１３ａである固体撮像素子カ
メラは、その識別検知能力を高めるために、ボックス型
の暗箱１４内に設置される（図１参照）ことが望まし
い。これにより、周囲からの余計な外部光の入射が遮断
され、カメラ視野を鮮明にすることができる。It is desirable that the solid-state imaging device camera, which is the detection device 13a, be installed in a box-shaped dark box 14 (see FIG. 1) in order to enhance the identification detection ability. As a result, unnecessary extraneous light from the surroundings is blocked, and the field of view of the camera can be sharpened.
【００５４】固体撮像素子カメラは、検知対象である振
動している粉粒体を、その上方から撮像するように設置
されているため、視野面であるカメラのレンズ面が絶え
ず舞い上がる粉塵に曝されることになる。そこで、固体
撮像素子カメラのレンズに近い相当部位である暗箱１４
の側壁に、視野面の粉塵を吸引して固体撮像素子カメラ
の視界を確保するための、粉塵吸引用の広口薄型管１２
（図１参照）を設けている。その結果、レンズの視野を
常にクリーンにして、十分な視界を確保することができ
る。Since the solid-state imaging device camera is installed so as to capture the image of the vibrating powdery material to be detected from above, the camera surface, which is the field of view, is exposed to dust that constantly flies. Will be. Therefore, the dark box 14 which is a substantial part close to the lens of the solid-state imaging device camera
A wide-mouth thin-tube 12 for sucking dust, which sucks dust on the field of view and secures the field of view of the solid state imaging device camera
(See FIG. 1). As a result, it is possible to always keep the field of view of the lens clean and secure a sufficient field of view.
【００５５】また、ボックス型の暗箱１４の下方部位で
あって、且つ振動移送板面に近い上方部位に相当する暗
箱１４の側壁に、同様の理由から、視野面の粉塵を吸引
して固体撮像素子カメラの視界を確保するための、粉塵
吸引用の広口薄型管１２（図１参照）を設けることが望
ましい。For the same reason, solid-state imaging is performed by sucking dust on the visual field onto the side wall of the dark box 14 which is located below the box-shaped dark box 14 and is located above the vibration transfer plate. It is desirable to provide a wide-mouth thin tube 12 (see FIG. 1) for sucking dust to secure the field of view of the element camera.
【００５６】この振動移送板２において、特に、溝６側
のゲート板３近傍から溝６を覆う範囲は、粉粒体を供給
させた後に粉塵飛散を生じ易いので、この範囲の振動移
送板２の上方或いは側方、更には上方と側方同時に、移
送中の粉粒体から飛散した粉塵を吸引するための吸引用
フード１８を設けることが望ましい。In the vibration transfer plate 2, in particular, a range where the groove 6 is covered from the vicinity of the gate plate 3 on the side of the groove 6 is liable to cause dust scattering after the powdery material is supplied. It is desirable to provide a suction hood 18 for sucking dust scattered from the granular material being transported above or at the side, or simultaneously above and at the side.
【００５７】吸引用の広口薄型管１２はダクト２２或い
はダクト２３を介して、吸引用フード１８はダクト１９
を介して、それぞれ排風機２０（図１参照）に連結され
ている。排風機２０は、ダクト２１介してホッパフィー
ダ１に連結されており、広口薄型管１２や吸引用フード
１８により吸引された粉塵等を、ホッパフィーダ１に送
り込む。The wide mouth thin tube 12 for suction is passed through a duct 22 or 23 and the hood 18 for suction is passed through a duct 19.
Are connected to the exhaust fan 20 (see FIG. 1). The blower 20 is connected to the hopper feeder 1 via a duct 21 and sends dust and the like sucked by the wide-open thin tube 12 and the suction hood 18 to the hopper feeder 1.
【００５８】また、ボックス型の暗箱１４内に設けた固
体撮像素子カメラ等の検知装置１３ａの近くに、振動移
送板２上の粉粒体を直接照明する照明具を設けている。
このように光学的に浮遊異物を識別検知するため、振動
移送板２の粉粒体移送面の内、少なくとも暗箱１４に覆
われる移送面Ｐを、透光性を有する部材により形成し
て、振動移送板２の裏面側からこの投光性部材を介して
透過照明が可能な照明具を設けることが望ましい。An illumination device for directly illuminating the granular material on the vibration transfer plate 2 is provided near a detection device 13a such as a solid-state imaging device camera provided in a box-shaped dark box 14.
In this way, in order to optically identify and detect floating foreign matters, at least the transfer surface P of the powder transfer surface of the vibration transfer plate 2 that is covered by the dark box 14 is formed of a translucent member, and the It is desirable to provide an illuminator capable of transmitting illumination from the rear surface side of the transfer plate 2 via the light transmitting member.
【００５９】振動伝達ハウジング５を介して設けた、振
幅及び周波数可変型の加振装置８（図４参照）は、振動
移送板２に対し、例えば、上下振幅が約０．０２〜１．
５０ｍｍの範囲、振動周波数が約１０〜１２０Ｈｚの範
囲で、調整することができる。振幅や振動周波数は、処
理する粉粒体の種類や処理量等によって適宜調整する。The vibration device 8 of variable amplitude and frequency type (see FIG. 4) provided through the vibration transmission housing 5 has a vertical amplitude of about 0.02 to 1.
It can be adjusted within a range of 50 mm and a vibration frequency of about 10 to 120 Hz. The amplitude and the vibration frequency are appropriately adjusted depending on the type of the granular material to be processed, the processing amount, and the like.
【００６０】振動移送される粉粒体から浮遊する異物
を、固体撮像素子カメラ等の検知装置１３ａによって検
知する際、上述した撮像素子の何れにより行っても、検
知信号のコンピュータ処理により、振動移送板２の幅方
向の位置信号として検知部位を出力する。このため、吸
引除去ノズル１５（図１参照）に設ける複数個の吸引口
から、対応位置の吸引口を選択して、浮遊異物を効果的
に除去することができる。When any of the above-described image pickup devices is used to detect a foreign substance floating from the granular material that is transferred by vibration, using a detection device 13a such as a solid-state image pickup device camera, the detection signal is processed by computer processing. The detection site is output as a position signal in the width direction of the plate 2. For this reason, it is possible to effectively remove floating foreign matters by selecting a suction port at a corresponding position from a plurality of suction ports provided in the suction removal nozzle 15 (see FIG. 1).
【００６１】このように、この発明に係る異物除去装置
は、医薬品、食料品、農薬、家畜飼料、ペットフード、
各種の工業薬品等に用いられている原料、中間体及び製
品等として使用される粉粒体に対し、混入する種々雑多
の異物の除去に使用することができる。As described above, the foreign matter removing apparatus according to the present invention can be used for medicines, foods, agricultural chemicals, livestock feed, pet food,
It can be used for removing various miscellaneous foreign matters mixed into raw materials, intermediates, and granular materials used as products and the like used in various industrial chemicals and the like.
【００６２】除去対象となる異物としては、例えば、粉
粒体自体に対し比重が重いもの或いは軽いものがあり、
また、粉粒体とは形状が異なったもの、例えば、虫、髪
の毛、糸屑、繊維屑、布切れ、金属薄片、金属錆、樹脂
片、粉粒体自体の変形物等がある。The foreign matter to be removed includes, for example, those having a specific gravity higher or lower than the powder itself.
In addition, there are particles having a shape different from that of the granular material, for example, insects, hair, thread waste, fiber waste, pieces of cloth, metal flakes, metal rust, resin fragments, and deformation products of the granular material itself.
【００６３】これらの異物が混入した粉粒体を加振させ
振動させることにより、異物が、粉粒体から振るい落と
され或いは粉粒体上に浮遊して、粉粒体から分離除去さ
れる。By vibrating and vibrating the particles mixed with these foreign substances, the foreign substances are shaken off from the particles or floated on the particles and separated and removed from the particles.
【００６４】次に、図６を参照して、異物除去装置によ
る粉粒体から混入異物を分離除去するための異物除去動
作を説明する。Next, with reference to FIG. 6, a description will be given of a foreign matter removing operation for separating and removing mixed foreign matter from the granular material by the foreign matter removing device.
【００６５】異物が混入した粉粒体３０ａが、ホッパフ
ィーダ１のフィード口１ｂから、加振され、且つ、排出
口へ向かってほぼ水平或いは下り勾配を有する振動移送
板２上に、供給される。The particles 30a mixed with foreign matter are vibrated from the feed port 1b of the hopper feeder 1 and supplied to the vibration transfer plate 2 having a substantially horizontal or downward slope toward the discharge port. .
【００６６】振動移送板２上の粉粒体３０ａは、加振に
よる跳躍動作と傾斜による移送動作が付与されることか
ら、摩擦力によるモーメントが生じ、整流装置３４を介
して所定の厚みに均され、振動移送板２の幅方向に広が
る。粉粒体３０ａの厚みは、ヘッド摘み３ｂを回転させ
てゲート板３と振動移送板２の間隙を調整することによ
り、任意に調整することができる。The granular material 30 a on the vibration transfer plate 2 is subjected to a jumping operation by vibrating and a transferring operation by tilting. And spreads in the width direction of the vibration transfer plate 2. The thickness of the granular material 30a can be arbitrarily adjusted by rotating the head knob 3b to adjust the gap between the gate plate 3 and the vibration transfer plate 2.
【００６７】振動移送板２上で、一定の厚みを有するよ
うに均された層状の粉粒体３０ａは、振動状態のまま排
出口へ向かって移動する。この移動の途中、比重が粉粒
体自体より大きな異物３１は、粉粒体３０ａ中を沈降し
て異物を溜めるための溝６に落ち込み、また、比重が粉
粒体自体より小さい異物３２は、粉粒体３０ａ中を上昇
して粉粒体３０ａ上に浮遊し固体撮像素子カメラに検出
され、吸引除去ノズル１５で追尾吸引される。On the vibration transfer plate 2, the layered granular material 30a having a uniform thickness is moved toward the discharge port while being in a vibrating state. During this movement, the foreign matter 31 having a specific gravity larger than the granular material itself falls down into the groove 6 for sedimenting in the granular material 30a and storing the foreign matter, and the foreign matter 32 having a specific gravity smaller than the granular material itself is The liquid is lifted up in the granular material 30a, floats on the granular material 30a, is detected by the solid-state imaging device camera, and is suctioned by the suction removal nozzle 15 for tracking.
【００６８】つまり、粉粒体３０ａに混入する異物３
１，３２は、それぞれ比重や形状等に応じて溝６に捕獲
され或いは吸引除去ノズル１５に吸引され、粉粒体３０
ａから分離除去される。That is, the foreign substance 3 mixed in the powder 30a
The particles 1 and 32 are captured by the groove 6 or sucked by the suction and removal nozzle 15 depending on the specific gravity, the shape, etc.
and separated from a.
【００６９】この結果、振動移送板２上の粉粒体３０ａ
は、移送中に混入する異物３１，３２が除去され、異物
が混入していない異物除去粉粒体３０ｂとして、振動移
送板２の排出口から排出される。As a result, the granular material 30a on the vibration transfer plate 2
The foreign substances 31 and 32 mixed during the transfer are removed, and the foreign substances are removed from the discharge port of the vibration transfer plate 2 as the foreign substance-removed powder 30b in which no foreign substances are mixed.
【００７０】従って、この発明に係る異物除去装置は、
従来の振動篩い方式やコンベアベルト方式等に比べて、
異物の分離除去を効果的、且つ、確実に行うことができ
る上に、耐騒音性、耐摩耗性、耐破砕性等に優れ、更
に、装置のコンパクト化も可能となる。 （第２の実施の形態）図７は、この発明の第２の実施の
形態に係る異物除去装置の振動移送板を示す斜視図であ
る。図７に示すように、振動移送板４０は、移送面Ｐ
に、異物除去用堰４１を設けている。その他の構成及び
作用は、第１の実施の形態の振動移送板２（図１参照）
と同様である。Therefore, the foreign matter removing device according to the present invention
Compared to the conventional vibrating sieve method or conveyor belt method,
In addition to being able to effectively and reliably separate and remove foreign matter, it is excellent in noise resistance, abrasion resistance, crush resistance, and the like, and furthermore, the apparatus can be made more compact. (Second Embodiment) FIG. 7 is a perspective view showing a vibration transfer plate of a foreign matter removing device according to a second embodiment of the present invention. As shown in FIG. 7, the vibration transfer plate 40 has a transfer surface P
Is provided with a foreign substance removing weir 41. Other configurations and operations are the same as those of the vibration transfer plate 2 of the first embodiment (see FIG. 1).
Is the same as
【００７１】異物除去用堰４１は、移送面Ｐ上の、整流
装置３４の設置箇所（図１参照）から検知装置１３ａの
設置箇所（図１参照）迄の間に少なくとも一箇所、例え
ば、薄い板体を一定距離毎に移送面Ｐの全幅に渡って設
置し、形成される。The foreign matter removing weir 41 is at least one, for example, thin, on the transfer surface P between the installation location of the rectifier 34 (see FIG. 1) and the installation location of the detector 13a (see FIG. 1). The plate is installed and formed over the entire width of the transfer surface P at regular intervals.
【００７２】移送面Ｐに異物除去用堰４１を設けること
により、整流装置３４を超えて検知装置１３ａ迄の粉粒
体の移送路上には、移送面Ｐからの高さ（段差量）が約
０．１〜０．５ｍｍ、移送面Ｐの長手方向に沿う幅が約
３〜５ｍｍの段差が複数個設けられる。By providing the foreign matter removing weir 41 on the transfer surface P, the height (step amount) from the transfer surface P on the transfer path of the granular material beyond the rectifying device 34 to the detection device 13a is reduced. A plurality of steps having a width of about 0.1 to 0.5 mm and a width of about 3 to 5 mm along the longitudinal direction of the transfer surface P are provided.
【００７３】この異物除去用堰４１の高さは、除去対象
となる粉粒体や混入異物或いは除去目的等の各種条件に
より決定され、例えば、除去対象となる粉粒体の層の厚
みを基準にして、その約３０〜５０％に設定されるが、
その約４０％（粉粒体の層の厚みが約０．５ｍｍの場
合、高さは約０．２ｍｍとなる）に設定することが望ま
しい。その幅も、同様にして決定される。The height of the foreign matter removing weir 41 is determined by various conditions such as the granular material to be removed, the contaminant foreign matter, and the purpose of removal. And set to about 30-50% of that,
It is desirable to set it to about 40% (when the thickness of the layer of the granular material is about 0.5 mm, the height is about 0.2 mm). The width is determined in a similar manner.
【００７４】また、異物除去用堰４１の設置数も、除去
対象となる粉粒体や混入異物或いは除去目的等の各種条
件により、１個とするか複数個とするかが決定される。The number of the foreign substance removing weirs 41 to be installed is determined to be one or plural depending on various conditions such as the granular material to be removed, the mixed foreign matter, and the purpose of removal.
【００７５】異物除去用堰４１を設けることにより、振
動移送板２上で、均され、且つ、広げられ、一定の厚み
を有する層状の粉粒体は、異物除去段差部４１に行く手
を阻まれた後これを乗り越えて、移送面Ｐ上を移送され
て行く。By providing the foreign matter removing weir 41, the layered powder having a certain thickness is leveled and spread on the vibration transfer plate 2, and is prevented from reaching the foreign matter removing step 41. After that, it gets over and is transferred on the transfer surface P.
【００７６】図８は、図７の異物除去段差部における粉
粒体の動きの説明図である。図８に示すように、除去対
象の異物３３が混入する層状の粉粒体３０ａは、移送面
Ｐ上を移送されて異物除去用堰４１に差し掛かると、異
物除去用堰４１により、その移動が阻止される。FIG. 8 is an explanatory diagram of the movement of the granular material at the step of removing foreign matter in FIG. As shown in FIG. 8, when the layered granular material 30 a into which the foreign matter 33 to be removed is mixed is transferred on the transfer surface P and reaches the foreign matter removing weir 41, the foreign matter removing weir 41 moves it. Is blocked.
【００７７】しかしながら、移動が阻止されても、層状
の粉粒体３０ａには、依然として、移送を続けさせるよ
うに送り出す力が加わっているので、異物除去用堰４１
の前の粉粒体３０ａに、回転動作が発生する。However, even if the movement is hindered, the layer-like granular material 30a is still subjected to a force for sending it out so as to continue the transfer.
A rotation operation occurs in the powder or granular material 30a before the rotation.
【００７８】層状の粉粒体３０ａに回転動作が発生する
と、粉粒体３０ａに混入する異物３３は、回転動作に伴
って粉粒体３０ａ内を押し上げられ（図８中、矢印参
照）、粉粒体３０ａの層上に浮遊することとなる。同様
に、粉粒体３０ａも、回転動作に伴って異物除去用堰４
１を乗り越え、移送される。When the rotating operation occurs in the layered granular material 30a, the foreign matter 33 mixed into the granular material 30a is pushed up in the granular material 30a with the rotating operation (see the arrow in FIG. 8), The particles 30a float on the layer of the particles 30a. Similarly, the granular material 30a is also moved along with the rotation operation by the foreign matter removing weir 4.
Get over 1 and be transported.
【００７９】異物除去用堰４１を乗り越えた粉粒体３０
ａは、層状の粉粒体３０ａの上に押し上げられた異物３
３を浮遊させたまま（図８参照）、移送面Ｐ上を排出口
へ向かって移送され、次の異物除去用堰４１に差し掛か
る。The powder 30 over the foreign matter removing weir 41
a is the foreign substance 3 pushed up on the layered powdery material 30a.
3 is floated (see FIG. 8), is transferred toward the discharge port on the transfer surface P, and reaches the next foreign matter removing weir 41.
【００８０】その後、異物除去用堰４１を乗り越える毎
に、異物３３を押し上げて粉粒体３０ａの上に浮遊させ
る動作を繰り返す。粉粒体３０ａの上に浮遊する異物
は、固体撮像素子カメラに検出され、吸引除去ノズル１
５で追尾吸引される。Thereafter, each time the vehicle gets over the foreign matter removing weir 41, the operation of pushing up the foreign matter 33 and floating it on the powder 30a is repeated. Foreign matter floating on the powder 30a is detected by the solid-state imaging device camera, and the suction removal nozzle 1
Tracking suction is performed at 5.
【００８１】即ち、移送面に設けられた異物除去用堰４
１により、移送中に行く手を阻まれてそれを乗り越えよ
うとする際の粉粒体に、異物が粉粒体内を押し上げられ
て粉粒体上に浮遊するような動きを付与する段差が形成
される。That is, the foreign matter removing weir 4 provided on the transfer surface
According to 1, a step is formed that gives a motion such that a foreign substance is pushed up in the granular material and floats on the granular material when the moving body is obstructed during the transfer and tries to get over it. You.
【００８２】従って、粉粒体３０ａに混入する異物３３
を効率良く、且つ、確実に、粉粒体３０ａから分離除去
することができる。特に、比重が粉粒体自体より小さい
異物に対して有効に作用する。Therefore, the foreign matter 33 mixed in the powder 30a
Can be efficiently and reliably separated and removed from the granular material 30a. In particular, it works effectively on foreign matter having a specific gravity smaller than the powder itself.
【００８３】この異物除去用堰４１を、移送面Ｐに異物
溜まりとしての溝６と組み合わせて設けることにより、
比重の大小や形状の相違等の様々な特性を持つ混入異物
に的確に対応して、粉粒体３０ａから混入異物をより効
果的に分離除去することができる。 （第３の実施の形態）図９は、この発明の第３の実施の
形態に係る異物除去装置の振動移送板を示す斜視図であ
る。図９に示すように、振動移送板４５は、移送面Ｐの
検知装置１３ａより排出口側に、各側壁２ｂに沿って開
口する２つの回収孔４６，４６を有している。その他の
構成及び作用は、第１及び第２の実施の形態の振動移送
板２（図１参照），４０（図７参照）と同様である。By providing this foreign matter removing weir 41 in combination with the groove 6 as a foreign matter accumulation on the transfer surface P,
It is possible to more effectively separate and remove the contaminant from the granular material 30a in response to the contaminant having various characteristics such as a difference in specific gravity and a difference in shape. (Third Embodiment) FIG. 9 is a perspective view showing a vibration transfer plate of a foreign matter removing device according to a third embodiment of the present invention. As shown in FIG. 9, the vibration transfer plate 45 has two recovery holes 46, 46 that open along the respective side walls 2b on the transfer surface P closer to the discharge port than the detection device 13a. Other configurations and operations are the same as those of the vibration transfer plates 2 (see FIG. 1) and 40 (see FIG. 7) of the first and second embodiments.
【００８４】粉粒体の移送路である振動移送板４５の移
送面Ｐには、粉粒体上の浮遊異物を識別検知するため
の、固体撮像素子カメラ等の検知装置１３ａが設置され
ており、この検知装置１３ａより移送路下流側の移送面
Ｐ両側に、一対の回収孔４６，４６が開けられている。On the transfer surface P of the vibration transfer plate 45, which is a transfer path for the granular material, a detecting device 13a such as a solid-state image pickup device camera for identifying and detecting floating foreign matter on the granular material is installed. A pair of recovery holes 46 are provided on both sides of the transfer surface P on the downstream side of the transfer path from the detection device 13a.
【００８５】一対の回収孔４６，４６は、有効検知範囲
ａ以外の部分、例えば、有効検知範囲ａの外側に配置さ
れている。有効検知範囲ａは、移送面Ｐ上において、検
知装置１３ａが浮遊異物を識別検知する際に浮遊異物を
確実に識別し検知することができる範囲、即ち、検知装
置１３ａにより浮遊異物の識別検知が不可能或いは不充
分な検知不能範囲以外の範囲である。The pair of collecting holes 46, 46 are disposed outside the effective detection range a, for example, outside the effective detection range a. The effective detection range a is a range on the transfer surface P where the detection device 13a can reliably identify and detect the floating foreign matter when the detection device 13a identifies and detects the floating foreign material, that is, the detection detection of the floating foreign material by the detection device 13a. It is a range other than the impossible or insufficient undetectable range.
【００８６】これにより、側壁２ｂにより生じてしまう
移送面Ｐ上の影部ｄ等の、移送面Ｐ上において検知不能
範囲を移送される粉粒体３０ａが、回収孔４６から落下
し回収されるので、粉粒体が、検知装置１３ａによって
検知されない未検知のまま送り出されてしまうのを防止
している。As a result, the powder or granular material 30a transferred in the undetectable range on the transfer surface P, such as the shadow portion d on the transfer surface P caused by the side wall 2b, falls from the collection hole 46 and is collected. Therefore, it is possible to prevent the granular material from being sent out without being detected by the detection device 13a.
【００８７】この回収孔４６は、側壁２ｂに接して、例
えば、少なくとも影部ｄを含む幅の長方形状の開口部を
有しており、粉粒体３０ａが未検知のまま送り出されて
しまうことがないように、有効検知範囲ａ以外の検知不
能範囲部分を確実に含む形状及び大きさに形成される。The collecting hole 46 has, for example, a rectangular opening having a width including at least the shadow portion d in contact with the side wall 2b, and the powder 30a is sent out without being detected. Is formed so as to surely include the undetectable range portion other than the effective detection range a.
【００８８】また、回収孔４６は、例えば、吸引手段を
介するダクト（図示しない）によりホッパフィーダ１に
連通しており、回収孔４６に取り込まれた未検知の粉粒
体は、強制的にホッパフィーダ１に送り込まれ回収され
る。回収された未検知の粉粒体は、再びホッパフィーダ
１から振動移送板４５の移送面Ｐに供給される。The collection hole 46 communicates with the hopper feeder 1 by, for example, a duct (not shown) through a suction means. It is sent to the feeder 1 and collected. The recovered undetected powder or granular material is supplied from the hopper feeder 1 to the transfer surface P of the vibration transfer plate 45 again.
【００８９】なお、吸引手段を介して未検知の粉粒体を
自動的にホッパフィーダ１に回収する他、例えば、回収
孔４６の下方に、回収孔４６に取り込まれた未検知の粉
粒体を集めて溜めておく回収箱を配置し、随時、作業者
が回収箱を手で持ってホッパフィーダ１に運び、粉粒体
をホッパフィーダ１に戻しても良い。In addition to the automatic collection of the undetected powder and granules in the hopper feeder 1 through the suction means, for example, the undetected powder and granules taken in the collection holes 46 are provided below the collection holes 46. A collection box for collecting and storing the collected particles may be arranged, and at any time, the operator may carry the collection box by hand to the hopper feeder 1 and return the powders to the hopper feeder 1.
【００９０】更に、回収孔４６に代えて、有効検知範囲
ａ以外の検知不能範囲に向けて吸引口を開口し、検知不
能範囲を移送された粉粒体を吸引し回収する吸引装置を
設けても良い。Further, instead of the collecting hole 46, a suction device is provided which opens a suction port toward a non-detectable range other than the effective detection range a, and suctions and collects the powder and particles transferred in the non-detectable range. Is also good.
【００９１】従って、粉粒体３０ａの混入異物で移送中
に移動し粉粒体３０ａ上に浮遊する異物は、検知装置１
３ａによって検知されないまま送り出されてしまうこと
が無く、浮遊する異物３３を確実に識別検知することが
できる。この結果、粉粒体３０ａの混入異物を、粉粒体
３０ａから効率良く、且つ、確実に分離除去することが
できる。Therefore, the foreign matter that has entered the particulate matter 30a and moves during transportation and floats on the particulate matter 30a can be detected by the detecting device 1.
It is possible to reliably identify and detect the floating foreign matter 33 without being sent out without being detected by 3a. As a result, it is possible to efficiently and reliably separate and remove the foreign matter mixed in the powder 30a from the powder 30a.
【００９２】[0092]
【発明の効果】このように、この発明によれば、振動移
送板は、粉粒体が移送される移送面が粉粒体の移送方向
に対し水平或いは下り勾配を有して設置され、粉粒体が
振動状態で移送されるように振動が加えられ、移送に際
し粉粒体上に浮遊分離された浮遊異物は、移送面の上方
に配置された検知装置により検知され、検知装置からの
検知信号を受けた吸引除去ノズルにより浮遊異物が吸引
されて、粉粒体から除去されるので、粉粒体に混入して
いる種々雑多な異物を効率良く高い確率で除去すること
ができ、しかも、コンパクト化が可能となる。As described above, according to the present invention, the vibration transfer plate is installed such that the transfer surface on which the granular material is transferred has a horizontal or downward slope with respect to the transfer direction of the granular material. Vibration is applied so that the granules are transported in a vibrating state, and the suspended foreign matter suspended and separated on the granules during the transport is detected by the detection device arranged above the transfer surface and detected by the detection device Since the suspended foreign matter is sucked by the suction removing nozzle which receives the signal and is removed from the granular material, it is possible to efficiently remove various miscellaneous foreign matter mixed in the granular material with a high probability, and Compactness is possible.
【図１】この発明の第１の実施の形態に係る異物除去装
置の概略構成を示す斜視図である。FIG. 1 is a perspective view showing a schematic configuration of a foreign matter removing device according to a first embodiment of the present invention.
【図２】図１の整流装置の概略構成を示す斜視図であ
る。FIG. 2 is a perspective view showing a schematic configuration of the rectifier of FIG.
【図３】図１の振動移送板の部分斜視図である。FIG. 3 is a partial perspective view of the vibration transfer plate of FIG. 1;
【図４】図１の振動伝達ハウジングの概略構成を示す説
明図である。FIG. 4 is an explanatory diagram illustrating a schematic configuration of the vibration transmission housing of FIG. 1;
【図５】振動状態にある板の挙動説明図である。FIG. 5 is an explanatory diagram of a behavior of a plate in a vibration state.
【図６】図１の異物除去装置における異物除去動作の説
明図である。FIG. 6 is an explanatory diagram of a foreign matter removing operation in the foreign matter removing device of FIG. 1;
【図７】この発明の第２の実施の形態に係る異物除去装
置の振動移送板を示す斜視図である。FIG. 7 is a perspective view showing a vibration transfer plate of the foreign matter removing device according to the second embodiment of the present invention.
【図８】図７の異物除去段差部における粉粒体の動きの
説明図である。FIG. 8 is an explanatory view of the movement of the granular material at the step of removing the foreign matter in FIG. 7;
【図９】この発明の第３の実施の形態に係る異物除去装
置の振動移送板を示す斜視図である。FIG. 9 is a perspective view showing a vibration transfer plate of a foreign matter removing device according to a third embodiment of the present invention.
１ ホッパフィーダ １ｂ フィード口 ２，４０，４５ 振動移送板 ２ａ 粉粒体移送板 ２ｂ 側壁 ２ｃ ベース板 ３ ゲート板 ４ 整流器 ５ 振動伝達ハウジング ６ 溝 ７ スプリングバネ ８ 加振装置 ９ａ，９ｂ 支持具 １０ 共通基板 １１ 透過照明具 １２ 広口薄型吸引管 １３ａ 検知装置 １３ｂ 環状照明具 １４ 暗箱 １５ 吸引除去ノズル １６ 排出板 １７ 共通架台 １８ フード １９，２１，２２，２３ ダクト ２０ 排風機 ３０ａ 異物混入粉粒体 ３０ｂ 異物除去粉粒体 ３１ 沈降異物 ３２ 浮遊異物 ３３ 異物 ３４ 整流装置 Ｐ，Ｐ１，Ｐ２，Ｐ３ 移送面 ４１ 異物除去用堰 ４６ 回収孔 ａ 有効検知範囲 ｄ 影部 DESCRIPTION OF SYMBOLS 1 Hopper feeder 1b Feed port 2,40,45 Vibration transfer plate 2a Powder transfer plate 2b Side wall 2c Base plate 3 Gate plate 4 Rectifier 5 Vibration transmission housing 6 Groove 7 Spring spring 8 Vibration device 9a, 9b Support 10 Common Substrate 11 Transmission illuminator 12 Wide thin thin suction tube 13a Detector 13b Annular illuminator 14 Dark box 15 Suction removal nozzle 16 Discharge plate 17 Common gantry 18 Hood 19, 21, 22, 23 Duct 20 Exhaust fan 30a Foreign particles 30b Foreign particles Removed particles 31 Sedimented foreign matter 32 Floating foreign matter 33 Foreign matter 34 Rectifier P, P1, P2, P3 Transfer surface 41 Foreign matter removing weir 46 Collection hole a Effective detection range d Shadow area
Claims (29)
いる異物を除去する異物除去装置において、 前記粉粒体が移送される移送面が、前記粉粒体の移送方
向に対し水平或いは下り勾配を有して設置されると共
に、前記移送面上を前記粉粒体が振動状態で移送される
ように振動が加えられた振動移送板と、 前記移送面の上方に配置され、移送に際し前記粉粒体上
に浮遊分離された浮遊異物を検知する検知装置と、 前記検知装置からの検知信号を受けて前記浮遊異物を吸
引し前記粉粒体から除去する吸引除去ノズルとを有する
ことを特徴とする異物除去装置。1. A foreign matter removing device for removing foreign matter mixed in a granular material during transfer of the granular material, wherein a transfer surface on which the granular material is transferred is a transfer direction of the granular material. A vibrating transfer plate that is installed with a horizontal or downward slope with respect to the transfer surface and that is vibrated so that the granular material is transferred in a vibrating state on the transfer surface; and disposed above the transfer surface. A detecting device that detects floating foreign matters floating and separated on the granular material at the time of transfer, and a suction removing nozzle that receives the detection signal from the detecting device to suck the floating foreign material and remove the floating foreign material from the granular material, A foreign matter removing device comprising:
際し前記粉粒体内で沈降分離された沈降異物を溜める溝
を形成したことを特徴とする請求項１に記載の異物除去
装置。2. The foreign matter removing apparatus according to claim 1, wherein a groove for storing sedimented foreign matters settled and separated in the granular material during the transfer is formed in at least one portion of the transfer surface.
交する幅方向に設けられていることを特徴とする請求項
２に記載の異物除去装置。3. The foreign matter removing device according to claim 2, wherein the groove is provided in a width direction orthogonal to a longitudinal direction of the vibration transfer plate.
の前記粉粒体の行く手を阻み、乗り越える際に前記異物
が前記粉粒体内を押し上げられるような動きを前記粉粒
体に付与する、段差状の異物除去用堰を設けたことを特
徴とする請求項１から３の何れかに記載の異物除去装
置。4. At least one portion of the transfer surface is blocked from moving the particles during transfer, and the particles are given a movement such that the foreign matter is pushed up in the particles when the particle is passed over. 4. The foreign matter removing device according to claim 1, further comprising a stepped foreign matter removing weir.
浮遊異物を識別検知することができない検知不能範囲を
移送された粉粒体を回収する、回収手段を有することを
特徴とする請求項１から４の何れかに記載の異物除去装
置。5. A recovery means for recovering the powder or granular material which has been transported to a discharge port side of the detection device in an undetectable range in which the detection device cannot identify and detect the floating foreign matter. The foreign matter removing device according to any one of claims 1 to 4, comprising:
された粉粒体を落下させ回収する回収孔であることを特
徴とする請求項５に記載の異物除去装置。6. The foreign matter according to claim 5, wherein said collection means is a collection hole which is opened in said non-detectable range and drops and collects the powdered material transferred in said non-detectable range. Removal device.
能範囲を移送された粉粒体を吸引し回収する吸引装置で
あることを特徴とする請求項５に記載の異物除去装置。7. The suction device according to claim 1, wherein the recovery unit is a suction device that opens a suction port toward the undetectable range, and sucks and recovers the powder and the granular material transported in the undetectable range. 6. The foreign matter removing device according to 5.
能範囲を移送された粉粒体は、再び前記移送面に戻され
ることを特徴とする請求項５から７の何れかに記載の異
物除去装置。8. The foreign matter removing device according to claim 5, wherein the powdery and granular material transported in the undetectable range recovered by the recovery means is returned to the transporting surface again. apparatus.
られたベース板と、 前記ベース板の長手方向に沿う両側に設けられ、移送中
の前記粉粒体を受け止める側壁とを有することを特徴と
する請求項１から８の何れかに記載の異物除去装置。9. The vibration transfer plate, comprising: a powder / particle transfer plate serving as a transfer surface for the powder / particles; and a base plate provided with the powder / particle transfer plate slidably and removably provided along an upper surface. The foreign matter removing device according to any one of claims 1 to 8, further comprising a side wall provided on both sides along the longitudinal direction of the base plate and receiving the granular material being transferred.
法による測定値で最大高さ（Ｒｙ）が０．１〜２００μ
ｍの範囲の表面粗度を有することを特徴とする請求項９
に記載の異物除去装置。10. The JIS B061 as set forth in claim 10, wherein
Maximum height (Ry) measured by the method is 0.1 to 200μ
10. Surface roughness in the range of m.
3. The foreign matter removing device according to 1.
給された前記粉粒体が前記移送面を所定厚みの粉粒体層
として流れるように前記粉粒体の流れを整える整流装置
を有することを特徴とする請求項１から１０の何れかに
記載の異物除去装置。11. A rectifying device for regulating the flow of the granular material so that the supplied granular material flows in the transport surface as a granular material layer having a predetermined thickness in the vicinity of the granular material supply position on the transport surface. The foreign matter removing device according to any one of claims 1 to 10, comprising:
粒体を通過させて整流するスパイラル状ワイヤからなる
整流器を有することを特徴とする請求項１１に記載の異
物除去装置。12. The foreign matter removing device according to claim 11, wherein the rectifying device has a rectifier made of a spiral wire that rectifies the powder by passing the granular material on the transfer surface.
下動し、前記移送面との間に、移送される前記粉粒体が
通り抜けられる所定の間隙を設けるゲート板を有するこ
とを特徴とする請求項１１または１２に記載の異物除去
装置。13. The rectifying device further comprises a gate plate which moves up and down with respect to the transfer surface and which has a predetermined gap between the rectifier and the transfer surface through which the transferred granular material passes. The foreign matter removing device according to claim 11 or 12, wherein
されるように、前記振動移送板を振動させる加振装置
と、 前記加振装置がスプリングバネを介して前記移送面に対
してほぼ平行に取り付けられると共に、前記粉粒体の供
給側両隅近傍及び排出側両隅近傍に設けた支持具により
保持された共通基板とを有することを特徴とする請求項
１から１３の何れかに記載の異物除去装置。14. A vibrating device for vibrating the vibration transfer plate so that the supplied granular material is transferred while vibrating, and the vibrating device is moved with respect to the transfer surface via a spring spring. 14. The apparatus according to claim 1, further comprising: a common substrate mounted substantially in parallel and held by supports provided near both supply-side corners and discharge-side corners of the granular material. 3. The foreign matter removing device according to 1.
し、上下振幅が０．０２〜１．５０ｍｍの範囲で、振動
周波数が１０〜１２０Ｈｚの範囲で、調整することがで
きることを特徴とする請求項１４に記載の異物除去装
置。15. The vibrating device is characterized in that the vibration transfer plate can be adjusted with a vertical amplitude in a range of 0.02 to 1.50 mm and a vibration frequency in a range of 10 to 120 Hz. The foreign matter removing device according to claim 14, wherein
の勾配が調整されることを特徴とする請求項１４または
１５に記載の異物除去装置。16. The foreign matter removing apparatus according to claim 14, wherein a gradient of the transfer surface is adjusted by adjusting a height of the support.
前記振動移送板の裏面に密着重ねされた振動伝達ハウジ
ングを有することを特徴とする請求項１４から１６の何
れかに記載の異物除去装置。17. The apparatus according to claim 17, wherein: between the vibration device and the vibration transfer plate,
17. The foreign matter removing device according to claim 14, further comprising a vibration transmission housing closely attached to a back surface of the vibration transfer plate.
するための複数個の補強支持板を内部に有する長方形の
空洞型箱体からなることを特徴とする請求項１７に記載
の異物除去装置。18. The foreign matter removing device according to claim 17, wherein the vibration transmission housing is formed of a rectangular hollow box having a plurality of reinforcing support plates for preventing bending.
をラインセンサ方式或いはエリアセンサ方式により撮像
する複数個の固体撮像素子カメラからなることを特徴と
する請求項１から１８の何れかに記載の異物除去方法。19. The apparatus according to claim 1, wherein said detection device comprises a plurality of solid-state image pickup device cameras for picking up an image of the granular material which is vibrated and transferred by a line sensor system or an area sensor system. 3. The method for removing foreign matter according to item 1.
或いは紫外線用のＣＣＤ光学カメラであることを特徴と
する請求項１９に記載の異物除去装置。20. The foreign matter removing apparatus according to claim 19, wherein said solid-state imaging device camera is a CCD optical camera for visible light or ultraviolet light.
光の入射を遮断する暗箱内に設置されていることを特徴
とする請求項１から２０の何れかに記載の異物除去装
置。21. The foreign matter removing device according to claim 1, wherein the detecting device is installed in a dark box which blocks incidence of unnecessary external light from the surroundings.
して前記検知装置の視界を確保する粉塵吸引用の広口薄
型管を設けたことを特徴とする請求項２１に記載の異物
除去装置。22. The foreign matter removing device according to claim 21, wherein a wide-open thin-tube for sucking dust is provided on a side wall of the dark box to suck dust on a field of view to secure a field of view of the detecting device. apparatus.
移送板面に近い上方部位に相当する前記暗箱の側壁に、
視野面の粉塵を吸引して前記検知装置の視界を確保する
粉塵吸引用の広口薄型管を設けたことを特徴とする請求
項２１または２２に記載の異物除去装置。23. A side wall of the dark box, which corresponds to a lower part of the dark box and an upper part close to the surface of the vibration transfer plate,
23. The foreign matter removing device according to claim 21 or 22, further comprising a wide-open thin-tube for sucking dust that secures a field of view of the detection device by sucking dust on a viewing surface.
体から飛散する粉塵を吸引するためのフードを設けたこ
とを特徴とする請求項１から２３の何れかに記載の異物
除去装置。24. The foreign matter removal device according to claim 1, wherein a hood for sucking dust scattered from the granular material being transferred is provided above the vibration transfer plate. apparatus.
を直接照明する照明具を設けたことを特徴とする請求項
１から２４の何れかに記載の異物除去装置。25. The foreign matter removing device according to claim 1, wherein an illuminating device for directly illuminating the granular material being transported is provided near the detecting device.
れる部分が透光性部材により形成され、前記移送面の裏
面側から前記透光性部材を介して透過照明する照明具を
設けたことを特徴とする請求項２１から２５の何れかに
記載の異物除去装置。26. An illumination device, wherein at least a portion of the transfer surface covered by the dark box is formed of a light-transmitting member, and an illuminating device for transmitting and illuminating the rear surface of the transfer surface through the light-transmitting member is provided. The foreign matter removing device according to any one of claims 21 to 25, characterized in that:
は、前記粉粒体自体の比重に比べて小さく、及び／又は
前記粉粒体とは異なった形状を有することを特徴とする
請求項１から２６の何れかに記載の異物除去装置。27. The floating foreign matter detected by the detecting device is smaller than the specific gravity of the granular material itself and / or has a shape different from the granular material. 27. The foreign matter removing device according to any one of claims to 26.
物除去装置に備えられ、前記移送面に供給された前記粉
粒体が前記移送面を所定厚みの粉粒体層として流れるよ
うに、前記粉粒体の流れを整えることを特徴とする整流
装置。28. A foreign matter removing apparatus according to claim 11, wherein said powder and granules supplied to said transfer surface flow through said transfer surface as a powder and granular layer having a predetermined thickness. And a flow regulating device for regulating the flow of the granular material.
整流するスパイラル状ワイヤからなる整流器と、 前記移送面となる粉粒体移送板に対して上下動し、前記
粉粒体移送板との間に、移送される前記粉粒体が通り抜
けられる所定の間隙を設けるゲート板とを有することを
特徴とする請求項２８に記載の整流装置。29. A rectifier comprising a spiral wire for passing and rectifying the granular material on the transfer surface, and vertically moving with respect to a granular material transfer plate as the transfer surface to transfer the granular material. 29. The rectifying device according to claim 28, further comprising a gate plate provided with a predetermined gap between the plate and the plate, through which the transferred granular material passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001035023A JP3530827B2 (en) | 2000-03-08 | 2001-02-13 | Foreign matter remover and rectifier used for foreign matter remover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-63699 | 2000-03-08 | ||
| JP2000063699 | 2000-03-08 | ||
| JP2001035023A JP3530827B2 (en) | 2000-03-08 | 2001-02-13 | Foreign matter remover and rectifier used for foreign matter remover |
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| Publication Number | Publication Date |
|---|---|
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010151758A (en) * | 2008-12-26 | 2010-07-08 | Japan Siper Quarts Corp | Device and method for detecting colored foreign substance contained in quartz powder material |
| JP2014511762A (en) * | 2011-04-11 | 2014-05-19 | 王仲武 | Dry separation / concentration method and dry separation / concentration system |
| JP2018103072A (en) * | 2016-12-22 | 2018-07-05 | 株式会社日東電機エンジニアリング | Vibratory inspection machine |
| CN112570284A (en) * | 2020-12-22 | 2021-03-30 | 芜湖哈特机器人产业技术研究院有限公司 | Automatic screening device for O-shaped sealing rings and using method thereof |
| WO2023282867A1 (en) * | 2021-07-05 | 2023-01-12 | Balsu Gida Sanayi Ve Ticaret Anonim Sirketi | A laser line for use in hazelnut processing facilities |
-
2001
- 2001-02-13 JP JP2001035023A patent/JP3530827B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010151758A (en) * | 2008-12-26 | 2010-07-08 | Japan Siper Quarts Corp | Device and method for detecting colored foreign substance contained in quartz powder material |
| JP2014511762A (en) * | 2011-04-11 | 2014-05-19 | 王仲武 | Dry separation / concentration method and dry separation / concentration system |
| JP2018103072A (en) * | 2016-12-22 | 2018-07-05 | 株式会社日東電機エンジニアリング | Vibratory inspection machine |
| CN112570284A (en) * | 2020-12-22 | 2021-03-30 | 芜湖哈特机器人产业技术研究院有限公司 | Automatic screening device for O-shaped sealing rings and using method thereof |
| WO2023282867A1 (en) * | 2021-07-05 | 2023-01-12 | Balsu Gida Sanayi Ve Ticaret Anonim Sirketi | A laser line for use in hazelnut processing facilities |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3530827B2 (en) | 2004-05-24 |
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