JP6813164B2 - Vertical belt conveyor - Google Patents

Vertical belt conveyor Download PDF

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JP6813164B2
JP6813164B2 JP2016088650A JP2016088650A JP6813164B2 JP 6813164 B2 JP6813164 B2 JP 6813164B2 JP 2016088650 A JP2016088650 A JP 2016088650A JP 2016088650 A JP2016088650 A JP 2016088650A JP 6813164 B2 JP6813164 B2 JP 6813164B2
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belt conveyor
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岡田 正
正 岡田
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株式会社ステアトラスト
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Description

本発明は、搬送物を垂直方向に搬送するベルトコンベアに関し、殊に、軟質で形の崩れやすい食品等の搬送物を安定的に搬送することのできる垂直ベルトコンベアに関する。 The present invention relates to a belt conveyor that conveys conveyed objects in the vertical direction, and more particularly to a vertical belt conveyor that can stably convey conveyed objects such as soft and easily deformed foods.

搬送物を上方向又は下方向に搬送する垂直ベルトコンベアは、実公平2−13366号公報に記載されているように周知であるが、同期的に駆動する主ベルトコンベアとホールドベルトコンベアの搬送面同士を対向させながら、水平方向の導入路と水平方向の送出路の間に形成した垂直方向の搬送路で対向したベルトの間に搬送物を挟み込みながら垂直方向に送る方式のものが一般的である。 A vertical belt conveyor that transports an object in the upward or downward direction is well known as described in Japanese Patent Application Laid-Open No. 2-133666, but the transport surfaces of the main belt conveyor and the hold belt conveyor that are driven synchronously. It is common to use a vertical transport path formed between a horizontal introduction path and a horizontal delivery path while facing each other, and to send the transported object vertically while sandwiching it between the opposing belts. is there.

しかし、このような垂直ベルトコンベアは、比較的大型の重量物を搬送することを想定していることから、そのベルトは強固に構成されているのが通常であるため、食品等の小型で軟質の物の搬送に用いる場合は、対向したベルトの押圧力で搬送物が潰れる等してその形状が崩れやすかった。また、搬送物を挟み込んだ状態で、両ベルトの幅方向両端側に密着しない開放部分が形成されるため、小径の搬送物ではその部分からこぼれ落ちやすかった。 However, since such a vertical belt conveyor is supposed to transport a relatively large heavy object, the belt is usually strongly configured, so that it is small and soft such as food. When used for transporting an object, the shape of the object was liable to collapse due to the pressing force of the opposing belt causing the conveyed object to collapse. Further, since an open portion that does not adhere to both ends in the width direction of both belts is formed in a state where the conveyed object is sandwiched, it is easy for a small-diameter conveyed object to spill from that portion.

斯かる問題に対し、特開平9−221209号公報において、ホールドベルトコンベアにおけるベルトの幅方向中央部分を縦横方向に伸縮可能として、主ベルトコンベアのベルトとの間に搬送物を挟み込んだ状態で前記中央部分が伸びて膨らむものとしながら、両ベルトの幅方向両端側を対のローラで挟んで押圧・密着させる方式の垂直ベルトコンベアが提案されており、小型・軽量で軟質の搬送物であっても良好な状態で垂直方向に搬送可能なものとしている。 In response to such a problem, Japanese Patent Application Laid-Open No. 9-221209 states that the central portion of the belt in the hold belt conveyor in the width direction can be expanded and contracted in the vertical and horizontal directions, and the conveyed object is sandwiched between the belt of the main belt conveyor and the belt. A vertical belt conveyor has been proposed in which both belts are pressed and brought into close contact with each other by sandwiching both ends in the width direction with a pair of rollers while the central part is stretched and swelled, which is a compact, lightweight and soft conveyor. It is also possible to transport in the vertical direction in good condition.

しかしながら、穀物のように粒径が小さかったり粒体の間に水分を含んだりした食品を垂直方向に搬送する場合には、前述の垂直ベルトコンベアであっても、ローラの間隔部分は両ベルトの圧着状態が緩みやすいことから、その部分から搬送物や水分が外部にこぼれ落ちる事態を充分に防止することはできない。 However, in the case of vertically transporting foods having a small particle size such as grains or containing water between grains, even in the above-mentioned vertical belt conveyor, the distance between the rollers is the distance between the rollers. Since the crimped state is easily loosened, it is not possible to sufficiently prevent the transported object and water from spilling from the portion.

この場合、両ベルトを圧接させる対のローラの数を増やすことで、その間隔を短縮することも考えられるが、ローラを増量した分だけベルトの駆動に対する抵抗が増すことになるため、より大きな駆動エネルギーが必要になることに加え搬送物に加わる圧力を増大させる結果となってしまう。 In this case, it is conceivable to shorten the interval by increasing the number of pairs of rollers that press-contact both belts, but the resistance to the belt drive increases as the amount of rollers increases, so the drive is larger. In addition to requiring energy, it results in increased pressure on the transported object.

実公平2−13366号公報Jitsufuku No. 2-133666 特開平9−221209号公報Japanese Unexamined Patent Publication No. 9-221209

本発明は、上記のような問題を解決しようとするものであり、垂直ベルトコンベアについて、小型・軽量で軟質の搬送物であっても、途中で漏出させることなく良好な状態で垂直方向に搬送できるようにすることを課題とする。 The present invention is intended to solve the above problems, and for a vertical belt conveyor, even if it is a small, lightweight and soft material, it is vertically transported in a good condition without leaking in the middle. The challenge is to be able to do it.

そこで、本発明は、主ベルトコンベアのベルトとホールドベルトコンベアのベルトが互いに表面を対向・近接させる併走部分で搬送物を挟み込みながら、前記併走部分のうち縦向きの垂直搬送路で搬送物を垂直方向に搬送する垂直ベルトコンベアにおいて、対向した案内面を有するガイド溝を長手方向に亘って設けてなる溝部材が、前記垂直搬送路の全長の8割以上をカバーするように対で配設されており、前記両ベルトの幅方向両端側を前記ガイド溝に所定深さ挿入した状態で、前記対向した案内面が前記両ベルトの裏面に各々近接するとともに前記両端側の表面同士を近接させながら前記両ベルトを保持するものとされており、且つ、前記両ベルトで横向きの搬送路を形成している水平導入部が前記垂直搬送路に接続する部分に配置されて前記両ベルトを上向きに屈曲させるローラは、前記両ベルトを掛ける軸が大径部と大径部の間に形成した小径部に筒状で発泡樹脂製の弾性筒体を挿設してなる中央部を有しており、前記水平導入部で前記主ベルトコンベアのベルトに載せた搬送物が前記ホールドベルトコンベアのベルトとの間に挟み込まれる際に、前記軸の中央部が前記搬送物のサイズ・形状に応じて弾性的に陥凹する、ことを特徴とするものとした。
Therefore, in the present invention, while the belt of the main belt conveyor and the belt of the hold belt conveyor sandwich the conveyed object in the parallel traveling portion where the surfaces of the main belt conveyor and the belt of the hold belt conveyor face each other and are close to each other, the conveyed object is vertically oriented in the vertical vertical conveying path of the parallel running portions. In a vertical belt conveyor that conveys in a direction, groove members formed by providing guide grooves having opposite guide surfaces in the longitudinal direction are arranged in pairs so as to cover 80% or more of the total length of the vertical conveyor. In a state where both ends in the width direction of both belts are inserted into the guide groove to a predetermined depth, the facing guide surfaces are close to the back surfaces of both belts and the surfaces on both ends are close to each other. The horizontal introduction portion, which is supposed to hold both belts and forms a lateral transport path with both belts, is arranged at a portion connected to the vertical transport path and bends both belts upward. The roller to be made has a central portion formed by inserting a tubular elastic cylinder made of foamed resin into a small diameter portion formed between a large diameter portion and a large diameter portion on a shaft on which both belts are hung. When the conveyed object placed on the belt of the main belt conveyor is sandwiched between the horizontally introduced portion and the belt of the hold belt conveyor, the central portion of the shaft is elastic according to the size and shape of the conveyed object. It was characterized by being depressed in .

このように、両ベルトの幅方向両端側を近接した状態で保持するガイド溝を備えた対の溝部材を、垂直ベルトコンベアの垂直搬送路のうち所定範囲をカバーするように配設したことにより、搬送物を挟み込んだ状態であっても両ベルトの幅方向両端側が近接した状態を保つことができるため、その部分から搬送物がこぼれ落ちることを防止しながら良好な状態で垂直方向に搬送できるものとなるが、これに加え、両ベルトを上向きに屈曲させるローラの軸中央部に弾性筒体を設けたことにより、両ベルトの幅方向両端側の密着状態を維持したまま搬送物を垂直搬送路にスムースに導入できるものとなる。
In this way, a pair of groove members having guide grooves for holding both ends in the width direction of both belts in close proximity are arranged so as to cover a predetermined range of the vertical transport path of the vertical belt conveyor. Since both belts can be kept close to each other even when the conveyed object is sandwiched, the conveyed object can be conveyed vertically in good condition while being prevented from spilling from that part. as the Do that, but in addition to this, by providing the elastic cylindrical body in the axial central portion of the roller which upwardly bend both belts, while conveyed maintaining the contact state in the width direction end sides of the both belts vertical It can be smoothly introduced into the transport path.

さらに、上述した垂直ベルトコンベアにおいて、前記垂直搬送路の主ベルトコンベアのベルト裏面側には、そのベルトに対し平行に近接する受け板が所定範囲に亘って配設されており、搬送物を挟み込んだ状態で主ベルトコンベアのベルトを裏面側から支持してそれを平坦な状態に維持する、ことを特徴としたものとすれば、ホールドベルトコンベアによる搬送物への押圧力を充分に確保しやすいものとなる。 Further, in the above-mentioned vertical belt conveyor, a receiving plate adjacent to the belt is arranged over a predetermined range on the back surface side of the belt of the main belt conveyor of the vertical transport path, and sandwiches the transported object. If the belt of the main belt conveyor is supported from the back side and maintained in a flat state in the state of being in the state, it is easy to secure sufficient pressing force on the conveyed object by the hold belt conveyor. It becomes a thing.

さらにまた、上述した垂直ベルトコンベアにおいて、前記両ベルトの幅方向両端側の少なくとも裏面側所定範囲が各々磁化されているとともに、前記溝部材の前記対向した案内面も各々磁化されており、且つ、前記両ベルト裏面側の磁性とそれに対向する案内面の磁性が各々同極とされていることにより、その磁気反発力で前記案内面に前記ベルトの裏面が接しない状態を維持するとともに両ベルトの幅方向両端側を密着方向に押圧した状態で垂直方向に搬送するものとされている、ことを特徴としたものとすれば、ベルトとガイド溝の案内面と間の摩擦抵抗を回避しながら、両ベルトの幅方向両端側が密着した状態を維持しやすいものとなる。 Furthermore, in the above-mentioned vertical belt conveyor, at least a predetermined range on the back surface side of both ends in the width direction of both belts is magnetized, and the facing guide surfaces of the groove member are also magnetized. Since the magnetism on the back surface side of both belts and the magnetism on the guide surface facing the magnetism are the same, the magnetic repulsive force keeps the back surfaces of the belts out of contact with the guide surfaces, and both belts. If it is characterized in that it is conveyed in the vertical direction while pressing both ends in the width direction in the close contact direction, it is possible to avoid frictional resistance between the belt and the guide surface of the guide groove while avoiding frictional resistance. It is easy to maintain a state in which both ends of both belts in the width direction are in close contact with each other.

この場合、両ベルトの幅方向両端側の表面側所定範囲は、互いに接する位置で異極同士となるように磁化されており、前記併走部分で前記両端側が互いに磁気吸着することを特徴としたものとすれば、ベルト両端側の密着状態を一層確実なものとすることができる。 In this case, the surface side predetermined ranges on both end sides in the width direction of both belts are magnetized so as to be different poles at positions in contact with each other, and the both ends are magnetically attracted to each other at the parallel running portion. If this is the case, the state of close contact between both ends of the belt can be further ensured.

加えて、上述した垂直ベルトコンベアにおいて、そのホールドベルトコンベアのベルトは、その幅方向中央部分の所定範囲がそれ以外の幅方向両端側の部分よりも柔軟に形成されており、挟み込んだ搬送物のサイズ・形状に応じて幅方向中央部分が所定範囲内で弾性変形するものとされている、ことを特徴としたものとすれば、より大きなサイズの搬送物にも対応可能としながら両ベルト両端側の密着状態を一層維持しやすいものとなる。 In addition, in the above-mentioned vertical belt conveyor, the belt of the hold belt conveyor has a predetermined range of the central portion in the width direction formed more flexibly than the other portions on both ends in the width direction, and the sandwiched object is conveyed. If the central part in the width direction is elastically deformed within a predetermined range according to the size and shape, both ends of both belts can be handled while being able to handle a larger size conveyed object. It becomes easier to maintain the close contact state of.

両ベルトの両端側を近接した状態で保持するガイド溝を備えた対の溝部材を垂直搬送路の所定範囲をカバーするように配設した本発明によると、小型・軽量で軟質の搬送物であっても、途中で漏出させることなく良好な状態で垂直方向に搬送できるものである。 According to the present invention, a pair of groove members having guide grooves for holding both ends of both belts in close proximity to each other so as to cover a predetermined range of a vertical transport path are small, lightweight, and soft transport objects. Even if there is, it can be transported in the vertical direction in good condition without leaking on the way.

本発明の実施の形態である垂直ベルトコンベアの縦断面図である。It is a vertical sectional view of the vertical belt conveyor which is embodiment of this invention. 図1のA−A線に沿って切断した端面図である。It is an end view cut along the line AA of FIG. 図2の位置において搬送物を搬送している状態を示す端面図である。It is an end view which shows the state which the conveyed object is conveyed at the position of FIG. 図1の垂直ベルトコンベアの応用例における垂直搬送路のベルト幅方向端部側の状態を示す拡大した横断面図である。It is an enlarged cross-sectional view which shows the state of the end side in the belt width direction of the vertical transport path in the application example of the vertical belt conveyor of FIG. 図4の状態から搬送物を搬送している状態を示す拡大した横断面図である。It is an enlarged cross-sectional view which shows the state which the conveyed object is conveyed from the state of FIG. 図1の水平搬送路末端側のローラの応用例を示す拡大した側面図である(ベルト及び弾性筒体は縦断面図)。It is an enlarged side view which shows the application example of the roller on the end side of the horizontal transport path of FIG. 1 (the belt and the elastic cylinder are the vertical sectional views). 図4の変形例を示す拡大した横断面図である。It is an enlarged cross-sectional view which shows the modification of FIG. (A),(B),(C)は、本発明におけるベルトの応用例を示す幅方向に切断した縦断面図である。(A), (B), and (C) are vertical cross-sectional views cut in the width direction showing an application example of the belt in the present invention.

以下に、図面を参照しながら本発明を実施するための形態を説明する。 Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

図1は、本実施の形態である垂直ベルトコンベア1を縦断面図で示しており、この垂直ベルトコンベア1は、食品の製造工程等において蒸し上がった穀物等の小型・軽量で軟質の搬送物を所定高さまで持ち上げながら連続的に供給する際に用いることを想定したものであるが、図示しない駆動モータを逆回転させることで高い位置から低い位置に搬送する場合にも用いることができる。 FIG. 1 shows a vertical cross-sectional view of the vertical belt conveyor 1 according to the present embodiment, and the vertical belt conveyor 1 is a small, lightweight and soft transport material such as grains steamed in a food manufacturing process or the like. Although it is assumed that the motor is continuously supplied while being lifted to a predetermined height, it can also be used when the drive motor (not shown) is rotated in the reverse direction to transport the motor from a high position to a low position.

この垂直ベルトコンベア1は、水平導入路30と水平送出路32の間に垂直搬送路31を構成している無端状のベルト3Aを駆動プーリ4で回転駆動させる主ベルトコンベア3と、駆動プーリ5でそのベルト2Aを前述したベルト3Aと同期的に回転駆動させるホールドベルトコンベア2とを備えており、主ベルトコンベア3のベルト3Aとホールドベルトコンベア2のベルト2Aが、互いに表面を対向して近接する併走部分で搬送物を挟み込みながら、従動するローラ41とローラ42の間に構成された垂直搬送路31により、搬送物を垂直方向に搬送するものとしている。 The vertical belt conveyor 1 includes a main belt conveyor 3 that rotationally drives an endless belt 3A forming a vertical transport path 31 between the horizontal introduction path 30 and the horizontal delivery path 32 by a drive pulley 4, and a drive pulley 5. A hold belt conveyor 2 for rotating and driving the belt 2A synchronously with the above-mentioned belt 3A is provided, and the belt 3A of the main belt conveyor 3 and the belt 2A of the hold belt conveyor 2 face each other and are close to each other. While sandwiching the conveyed object between the parallel running portions, the conveyed object is conveyed in the vertical direction by the vertical transport path 31 formed between the driven roller 41 and the roller 42.

そして、その垂直搬送路31の全長のうち8割以上をカバーする部分に、両ベルト2A,3Aの幅方向両端側から搬送物が漏出するのを防止するために、両ベルト2A,3Aを重ね合わせた厚さよりも僅かに大きな開口幅のガイド溝17aを長手方向に亘って設けてなる対の溝部材10A,10Aが、両ベルト2A,3Aの幅方向両端側を挟み込むように配設されている。 Then, both belts 2A and 3A are overlapped on a portion covering 80% or more of the total length of the vertical transport path 31 in order to prevent the transported material from leaking from both ends in the width direction of both belts 2A and 3A. A pair of groove members 10A and 10A provided with guide grooves 17a having an opening width slightly larger than the combined thickness in the longitudinal direction are arranged so as to sandwich both ends of both belts 2A and 3A in the width direction. There is.

これにより、両ベルト2A,3Aの幅方向両端側をそのガイド溝11,11に所定深さで挿入した状態にして駆動させることで、その内側壁に対向して形成された案内面が両ベルト2A,3Aの裏面に近接しながら、両ベルト2A,3Aの幅方向両端側の表面同士がほぼ接した状態を維持しながら両ベルト2A,3Aを保持するようになっており、この点が本発明における特徴部分となっている。 As a result, both belts 2A and 3A are driven so that both ends in the width direction are inserted into the guide grooves 11 and 11 at a predetermined depth, so that the guide surfaces formed so as to face the inner side wall thereof are formed on both belts. The belts 2A and 3A are held in close contact with each other while being close to the back surfaces of the belts 2A and 3A, and the surfaces on both ends in the width direction of the belts 2A and 3A are held in contact with each other. It is a feature part of the invention.

また、その垂直搬送路31において、主ベルトコンベア3のベルト3A裏面側には、これに対し平行に近接する受け板16が垂直搬送路31の全長の約9割を占めるように配設されており、搬送物を挟み込んだ状態で主ベルトコンベア3のベルト3Aを裏面側から支持することで、それが平坦な状態に維持されるとともにベルト2Aによる搬送物への押圧力を確保しやすいものとしている。 Further, in the vertical transport path 31, a receiving plate 16 adjacent to the belt 3A on the back surface side of the belt 3A of the main belt conveyor 3 is arranged so as to occupy about 90% of the total length of the vertical transport path 31. By supporting the belt 3A of the main belt conveyor 3 from the back surface side with the conveyed object sandwiched between them, it is maintained in a flat state and it is easy to secure the pressing force on the conveyed object by the belt 2A. There is.

一方、その垂直搬送路31において、前述の受け板16とほぼ同様の範囲をカバーするように、ホールドベルトコンベア2のベルト2Aの裏面側にも所定の間隔を有した位置にてこれに平行するように押え板17が配設されており、ベルト2Aが挟み込んだ搬送物による膨らみ量を所定範囲内に制限して、ベルト2Aが過剰に膨らんで搬送物が漏出することを防止している。尚、これらの部材及び上述した駆動プーリ4,5やローラ41,42を含むプーリ、ローラ類は、側板7aとこれに対向配置した図示しない側板7bとの間に介装された状態にて支持されている。 On the other hand, in the vertical transport path 31, parallel to the back surface side of the belt 2A of the hold belt conveyor 2 at a predetermined interval so as to cover a range substantially similar to that of the receiving plate 16 described above. The pressing plate 17 is arranged so as to limit the amount of swelling due to the transported object sandwiched by the belt 2A within a predetermined range, thereby preventing the belt 2A from excessively swelling and leaking the transported object. It should be noted that these members and the pulleys and rollers including the above-mentioned drive pulleys 4 and 5 and rollers 41 and 42 are supported in a state of being interposed between the side plate 7a and the side plate 7b (not shown) arranged to face the side plate 7a. Has been done.

図2は、図1のA−A線に沿って切断し拡大した端面図である。上述したように、ベルト2A,3Aは、垂直搬送路31の殆どの部分でその幅方向両端側を溝部材10A,10Aのガイド溝11,11内に挿入した状態で保持されており、ガイド溝11の案内面110a,110bがその裏面側に各々近接していることにより、その両端側の重なった状態を維持するようになっている。 FIG. 2 is an enlarged end view cut along the line AA of FIG. As described above, the belts 2A and 3A are held in most parts of the vertical transport path 31 with both ends in the width direction inserted into the guide grooves 11 and 11 of the groove members 10A and 10A. Since the guide surfaces 110a and 110b of 11 are close to each other on the back surface side thereof, the overlapping state of both end surfaces thereof is maintained.

図3は、搬送物をベルト2A,3Aに挟み込んで搬送している状態を示している。図示したように、主ベルトコンベア3のベルト3Aは、裏面側に受け板16があることで平坦な状態を維持しているが、ホールドベルトコンベア2のベルト2Aは、押え板17との間に隙間があるため、搬送物を挟み込むことで弾性変形しながら押え板17方向に膨らんでいる。そして、このように搬送物をベルト2A,3Aの間に挟み込んだ状態でも、その幅方向両端側が溝部材10A,10Aのガイド溝11,11内に挿入されていることで、その両端側が重なった状態を維持しながら搬送物が漏出することを防いでいる。 FIG. 3 shows a state in which the conveyed object is sandwiched between the belts 2A and 3A and conveyed. As shown in the figure, the belt 3A of the main belt conveyor 3 maintains a flat state due to the back plate 16 on the back surface side, but the belt 2A of the hold belt conveyor 2 is between the holding plate 17 and the belt 3A. Since there is a gap, it swells in the pressing plate 17 direction while being elastically deformed by sandwiching the conveyed object. Even when the conveyed object is sandwiched between the belts 2A and 3A in this way, both ends in the width direction are inserted into the guide grooves 11 and 11 of the groove members 10A and 10A, so that both ends overlap. It prevents the transported material from leaking while maintaining the condition.

図4は、図1の垂直ベルトコンベア1の応用例におけるベルト2B,3Bの幅方向端部側の状態を示す拡大した横断面図である。この例では、ベルト2B,3Bの幅方向両端側のガイド溝11B,11B内に挿入される部分が、厚さ方向に磁化されていることに加え、ガイド溝11B,11Bの内側壁に厚さ方向に磁化されたテープ状のマグネットシート14,14が長手方向に亘って貼付されて各々案内面111a,111bを形成している。 FIG. 4 is an enlarged cross-sectional view showing a state of the belts 2B and 3B on the widthwise end side in the application example of the vertical belt conveyor 1 of FIG. In this example, the portions of the belts 2B and 3B inserted into the guide grooves 11B and 11B on both ends in the width direction are magnetized in the thickness direction and have a thickness on the inner side wall of the guide grooves 11B and 11B. Tape-shaped magnet sheets 14 and 14 magnetized in the direction are attached over the longitudinal direction to form guide surfaces 111a and 111b, respectively.

そして、互いに近接するベルト2Bの表面とベルト3Bの表面は、異極同士のS,Nであるために互いに磁気吸着し、ベルト2Bの裏面とこれに近接する案内面111aは同極同士のN,Nとなり、ベルト3Bの裏面とこれに近接する案内面111bは同極同士のS,Sとなるため、各々磁気反発により接触しにくい状態となっている。そのため、ベルト2B,3Bはその幅方向両端側の密着状態を維持しやすいことに加え、その部分を挿入したガイド溝11の案内面111a,111bとの間で摩擦を生じにくいようになっている。 The surface of the belt 2B and the surface of the belt 3B that are close to each other are magnetically attracted to each other because they are S and N of different poles, and the back surface of the belt 2B and the guide surface 111a close to the back surface of the belt 2B are N of the same poles. , N, and the back surface of the belt 3B and the guide surface 111b adjacent to the belt 3B are S and S of the same poles, so that they are in a state of being difficult to contact due to magnetic repulsion. Therefore, the belts 2B and 3B are easy to maintain the close contact state on both end sides in the width direction, and are less likely to cause friction with the guide surfaces 111a and 111b of the guide groove 11 into which the belts 2B and 3B are inserted. ..

図5は、図4の状態から搬送物を挟み込んで搬送している状態を示している。この場合、ベルト3Bは受け板16の受け面上を平坦な状態まま摺動しながら走行するものであるが、それと対になるベルト2Bは、図示しない搬送物があるために中央部分を膨らませるように弾性変形した状態で走行するものとなる。 FIG. 5 shows a state in which the conveyed object is sandwiched and conveyed from the state of FIG. In this case, the belt 3B runs while sliding on the receiving surface of the receiving plate 16 in a flat state, but the belt 2B paired with the belt 3B inflates the central portion due to an object (not shown). It runs in a state of being elastically deformed as described above.

このように、ベルト2Bは中央部が弾性変形したことでその幅方向両端側が僅かに中央寄りに引き寄せられているが、ベルト3Bとの間の磁気吸着と案内面111aとの間の磁気反発により、ベルト3Bとの間で良好な密着状態を維持している。尚、ベルト2B,3Bを磁化させるには、ベルト2B,3Bを作成する素材の合成樹脂原料にフェライトを均一に混練してシート状にした後、強い磁場に曝して着磁すればよく、そのようにして作成した磁化したシートと通常のシートを幅方向に繋ぎ合わせる等してベルト2B,3Bを作成することができる。また、フェライトを混練した部分はそれ以外の部分よりも硬くなるため、補強した場合と同様の効果も期待できる。さらに、磁化する幅を拡大することにより搬送物を挟み込んだ部分のシール性を一層高めることも可能である。 In this way, the belt 2B is slightly pulled toward the center on both ends in the width direction due to the elastic deformation of the central portion, but due to the magnetic attraction between the belt 2B and the guide surface 111a and the magnetic repulsion between the belt 2B and the guide surface 111a. , Maintains a good close contact with the belt 3B. In order to magnetize the belts 2B and 3B, ferrite may be uniformly kneaded with the synthetic resin raw material for producing the belts 2B and 3B to form a sheet, and then magnetized by exposing to a strong magnetic field. Belts 2B and 3B can be created by connecting the magnetized sheet thus produced and a normal sheet in the width direction. Further, since the portion where the ferrite is kneaded is harder than the other portions, the same effect as when reinforced can be expected. Further, by expanding the magnetizing width, it is possible to further improve the sealing property of the portion sandwiching the conveyed object.

図6は、図1における水平導入路30と垂直搬送路31との接続箇所になるローラ41の応用例としてのローラ42を示しており、ベルト2A,3A及びローラ42中央部に設けた筒状の弾性筒体43は縦断面図で示している。この例では、金属製のローラ42の大径部42a,42bの間に小径部を形成し、その部分に発泡樹脂等を円筒状に形成した弾性筒体43を挿設してある。 FIG. 6 shows a roller 42 as an application example of the roller 41 which is a connection point between the horizontal introduction path 30 and the vertical transfer path 31 in FIG. 1, and has a tubular shape provided at the center of the belts 2A and 3A and the roller 42. The elastic cylinder 43 of the above is shown in a vertical sectional view. In this example, a small diameter portion is formed between the large diameter portions 42a and 42b of the metal roller 42, and an elastic tubular body 43 in which a foamed resin or the like is formed in a cylindrical shape is inserted in the small diameter portion.

そのため、水平導入部30でベルト3A上に載せた搬送物がベルト2Aとの間に挟み込まれる際に、ローラ42の中央部分が搬送物のサイズ・形状に応じて弾性的に陥凹するようになっており、ベルト2A,3Aの幅方向両端側の密着状態を維持したまま、搬送物を垂直搬送路31にスムースに導入できるようになっている。 Therefore, when the conveyed object placed on the belt 3A by the horizontal introduction portion 30 is sandwiched between the conveyed object and the belt 2A, the central portion of the roller 42 is elastically recessed according to the size and shape of the conveyed object. The belts 2A and 3A can be smoothly introduced into the vertical transport path 31 while maintaining the close contact state on both ends in the width direction.

尚、図7に示すように、ベルト自体を磁化するのではなく、通常のベルト2A,3Aの裏面側にマグネットシート21,21を貼付し、マグネットシート14,14を貼付した枠部材10Cと組み合わせても、前述と同様の機能を発揮することができる。また、上述の説明では、ベルト及びマグネットシートの厚さ方向に着磁した両面着磁としたが、その幅方向に着磁する片面多極着磁や両面多極着磁としながら、近接する面との極性の関係が変動しないように両ベルトのずれ動く幅を規制するようにしても良い。 As shown in FIG. 7, instead of magnetizing the belt itself, magnet sheets 21 and 21 are attached to the back surface side of the normal belts 2A and 3A, and combined with the frame member 10C to which the magnet sheets 14 and 14 are attached. However, the same function as described above can be exhibited. Further, in the above description, double-sided magnetizing is performed in the thickness direction of the belt and the magnet sheet, but adjacent surfaces are magnetized in the width direction while being single-sided multi-pole magnetizing or double-sided multi-pole magnetizing. The width of the displacement of both belts may be regulated so that the magnetic relationship with the belt does not fluctuate.

図8は、本発明におけるベルトの応用例を説明するために幅方向に切断して示した縦断面図であり、図(A)は、主ベルトコンベアのベルト3Aと組み合わせるホールドベルトコンベアのベルトを、その幅方向中央部分の所定範囲がそれ以外の両端側の部分よりも柔軟に形成された点を特徴とするホールドベルトコンベア2Dを示しており、ベルト3Aよりも薄く柔軟なシート22aの両端側をシート22b,22cで各々補強したものである。これにより、挟み込んだ搬送物のサイズ・形状に応じながら中央部分が一層柔軟に変形しやすいものとなる。 FIG. 8 is a vertical sectional view cut in the width direction to explain an application example of the belt in the present invention, and FIG. 8 (A) shows a belt of a hold belt conveyor to be combined with a belt 3A of the main belt conveyor. The hold belt conveyor 2D is characterized in that a predetermined range of the central portion in the width direction is formed more flexibly than the other portions on both ends, and is thinner and more flexible than the belt 3A on both ends of the sheet 22a. Is reinforced with sheets 22b and 22c, respectively. As a result, the central portion can be more flexibly deformed according to the size and shape of the sandwiched object.

図8(B)は、ホールドベルトコンベアのベルトを、搬送物を挟み込む中央部分が他の両端側部分よりも柔軟な素材からなるベルト2Eを示しており、柔軟性の異なるシート状の素材をつなぎ合わせて作成した点を特徴としている。一方、図8(C)は、比較的柔軟なベルトの両端側に上述したようなマグネットシート24を各々貼付してその部分を補強してなるベルト2F,3Fの組み合わせを示しているが、これにより上述と同様の磁気による機能を発揮しながらその幅方向中央部分のみ弾性変形しやすい状態となっており、且つ、搬送物を保持する部分のシール性にも優れたものとなる。 FIG. 8B shows a belt 2E of the hold belt conveyor whose central portion sandwiching the conveyed object is made of a material that is more flexible than the other both end side portions, and connects sheet-shaped materials having different flexibility. It is characterized by the fact that it was created together. On the other hand, FIG. 8C shows a combination of belts 2F and 3F formed by attaching magnet sheets 24 as described above to both ends of a relatively flexible belt to reinforce the portions. As a result, while exhibiting the same magnetic function as described above, only the central portion in the width direction is easily elastically deformed, and the sealing property of the portion holding the conveyed object is also excellent.

以上、述べたように、垂直ベルトコンベアについて、本発明により、小型・軽量で軟質の搬送物であっても、途中で漏出させることなく良好な状態で垂直方向に搬送できるようになった。 As described above, with respect to the vertical belt conveyor, according to the present invention, even a small, lightweight, and soft conveyor can be conveyed in a good condition in a vertical direction without leaking in the middle.

1 垂直ベルトコンベア、2 ホールドベルトコンベア、2A,2B,2C,2D,2E,2F,3A,3B,3C,3F ベルト、4,5 駆動プーリ、10A,10B,10C 溝部材、11,11B ガイド溝、14,21,24 マグネットシート、16 受け板、30 水平導入路、31 垂直搬送路、32 水平送出路 1 Vertical belt conveyor, 2 Hold belt conveyor, 2A, 2B, 2C, 2D, 2E, 2F, 3A, 3B, 3C, 3F belt, 4,5 drive pulley, 10A, 10B, 10C groove member, 11,11B guide groove , 14, 21, 24 Magnet sheet, 16 receiving plate, 30 horizontal introduction path, 31 vertical transport path, 32 horizontal delivery path

Claims (1)

主ベルトコンベアのベルトとホールドベルトコンベアのベルトが互いに表面を対向・近接させる併走部分で搬送物を挟み込みながら、前記併走部分のうち縦向きの垂直搬送路で前記搬送物を垂直方向に搬送する垂直ベルトコンベアにおいて、対向した案内面を有するガイド溝を長手方向に亘って設けてなる溝部材が、前記垂直搬送路の全長の8割以上をカバーするように対で配設されており、前記両ベルトの幅方向両端側を前記ガイド溝に所定深さ挿入した状態で、前記対向した案内面が前記両ベルトの裏面に各々近接するとともに前記両端側の表面同士を近接させながら前記両ベルトを保持するものとされており、且つ、前記両ベルトで横向きの搬送路を形成している水平導入部が前記垂直搬送路に接続する部分に配置されて前記両ベルトを上向きに屈曲させるローラは、前記両ベルトを掛ける軸が大径部と大径部の間に形成した小径部に筒状で発泡樹脂製の弾性筒体を挿設してなる中央部を有しており、前記水平導入部で前記主ベルトコンベアのベルトに載せた搬送物が前記ホールドベルトコンベアのベルトとの間に挟み込まれる際に、前記軸の中央部が前記搬送物のサイズ・形状に応じて弾性的に陥凹する、ことを特徴とする垂直ベルトコンベア。
While the belt of the main belt conveyor and the belt of the hold belt conveyor sandwich the conveyed object in the parallel running portion where the surfaces face each other and approach each other, the conveyed object is vertically conveyed in the vertical vertical conveying path of the parallel running portion. In the belt conveyor, groove members formed by providing guide grooves having opposite guide surfaces in the longitudinal direction are arranged in pairs so as to cover 80% or more of the total length of the vertical transport path. With both ends in the width direction of the belt inserted into the guide groove to a predetermined depth, the opposing guide surfaces are close to the back surfaces of both belts, and the surfaces on both ends are close to each other while holding both belts. A roller that bends both belts upward by arranging a horizontal introduction portion that forms a lateral transport path with both belts at a portion that connects to the vertical transport path is described above. The shaft on which both belts are hung has a central portion formed by inserting an elastic tubular body made of foamed resin into a small diameter portion formed between the large diameter portion and the large diameter portion. When the conveyed object placed on the belt of the main belt conveyor is sandwiched between the belt of the hold belt conveyor, the central portion of the shaft is elastically recessed according to the size and shape of the conveyed object . A vertical belt conveyor that features that.
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