JP2017197328A - Vertical belt conveyor - Google Patents

Vertical belt conveyor Download PDF

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JP2017197328A
JP2017197328A JP2016088650A JP2016088650A JP2017197328A JP 2017197328 A JP2017197328 A JP 2017197328A JP 2016088650 A JP2016088650 A JP 2016088650A JP 2016088650 A JP2016088650 A JP 2016088650A JP 2017197328 A JP2017197328 A JP 2017197328A
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vertical
belt
belt conveyor
belts
width direction
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JP6813164B2 (en
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岡田 正
Tadashi Okada
正 岡田
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Steatrust Co Ltd
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Steatrust Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a vertical belt conveyor, which can convey a conveyed article in an excellent state without leaking during conveyance even if the article is small-sized, light-weighted and soft.SOLUTION: In a vertical belt conveyor 1 configured so that a belt 3A of a main belt conveyor 3 and a belt 2A of a hold belt conveyor 2 convey a conveyed article in a vertical direction on a vertical conveyance path 31 directed vertically in parallel running parts, at which surfaces of the belts are made to oppose and approach each other, while sandwiching the conveyed article between the parallel running parts, a pair of groove member 10A having a guide groove 11 with opposing guide surfaces provided across a longitudinal direction are arranged to cover a predetermined range including at least a center part of the vertical conveyance path 31, and the opposing guide surfaces approach back sides of both belts 2A and 3A respectively and hold both belts 2A and 3A while making surfaces of both end sides in a width direction of both belts 2A and 3A to approach each other, in a state where both end sides are inserted into the guide groove 11 up to a predetermined depth.SELECTED DRAWING: Figure 1

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 a conveyed product in a vertical direction, and more particularly to a vertical belt conveyor that can stably convey a conveyed product such as food that is soft and easily deforms.

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 for conveying a conveyed product upward or downward is well known as described in Japanese Utility Model Publication No. 2-313366. However, the conveying surfaces of the main belt conveyor and the hold belt conveyor that are driven synchronously are described. It is generally used to feed in the vertical direction while sandwiching the conveyed product between the opposed belts in the vertical conveyance path formed between the horizontal introduction path and the horizontal delivery path while facing each other. 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 convey a relatively large heavy object, the belt is usually firmly constructed, so that it is small and soft such as food. In the case of using this for transporting the product, the shape of the transported product was apt to be collapsed due to, for example, the transported product being crushed by the pressing force of the opposed belt. In addition, 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 product is sandwiched, a small-diameter conveyed product is easily spilled from the 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。   With respect to such a problem, in Japanese Patent Application Laid-Open No. 9-221209, the central portion in the width direction of the belt in the hold belt conveyor can be expanded and contracted in the vertical and horizontal directions, and the conveyed product is sandwiched between the belt and the belt of the main belt conveyor. A vertical belt conveyor has been proposed that presses and adheres to both sides of the belt in the width direction between a pair of rollers while the central part expands and swells. Also, it can be conveyed 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, when a food having a small particle diameter or containing moisture between grains, such as grain, is transported in the vertical direction, the gap between the rollers is provided between the belts even in the above-described vertical belt conveyor. Since the crimped state is easy to loosen, it is not possible to sufficiently prevent a situation where spilled material or moisture spills 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 may be possible to shorten the interval by increasing the number of pairs of rollers that press the belts together. However, since the resistance to driving the belt increases as the number of rollers increases, a larger drive In addition to requiring energy, this results in an increase in pressure applied to the conveyed product.

実公平2−13366号公報Japanese Utility Model Publication No. 2-313366 特開平9−221209号公報JP-A-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-described problems. For a vertical belt conveyor, even if it is a small, light, and soft conveyance object, it is conveyed in the vertical direction in a good state without leaking on the way. The challenge is to make it possible.

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、前記垂直搬送路の少なくとも中央部分を含む所定範囲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、ことを特徴とするものとした。   Therefore, the present invention is configured to vertically convey a conveyed product in a vertical vertical conveyance path in the parallel running portion while sandwiching the conveyed product in a parallel running portion in which the belt of the main belt conveyor and the belt of the hold belt conveyor face and approach each other. In a vertical belt conveyor that conveys in a direction, groove members, each having a guide groove having an opposing guide surface, are arranged in pairs so as to cover a predetermined range including at least the central portion of the vertical conveyance path. In the state where both ends of the belts in the width direction are inserted into the guide grooves at a predetermined depth, the opposed guide surfaces are close to the back surfaces of the belts and the surfaces on both ends are close to each other. The both belts are held while being held.

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。   As described above, by arranging the pair of groove members provided with the guide grooves to hold the both ends in the width direction of both belts close to each other so as to cover a predetermined range in the vertical conveyance path of the vertical belt conveyor. Even when the conveyed product is sandwiched, both ends of the belt in the width direction can be kept close to each other, so that the conveyed product can be conveyed in the vertical direction in a good state while preventing the conveyed product from spilling from that portion. It will be a thing.

また、この垂直ベルトコンベアにおいて、その対の溝部材は、前記垂直搬送路の全長の8割以上をカバーしていることを特徴としたものとすれば、穀物のような小径の粒状物や水分を含む物を搬送する場合であっても、垂直搬送路のほぼ全域に亘ってそれが幅方向両端側から漏出しにくい状態を確保することができる。   Further, in this vertical belt conveyor, the pair of groove members cover 80% or more of the total length of the vertical conveying path, so that a small-diameter granular material such as grain or moisture can be obtained. Even in the case of transporting an object including the above, it is possible to secure a state in which it is difficult to leak from both ends in the width direction over almost the entire vertical 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-described vertical belt conveyor, a receiving plate that is close to the belt in parallel to the belt is disposed over a predetermined range on the belt back surface side of the main belt conveyor of the vertical conveyance path, and sandwiches the conveyed product. If it is characterized in that the belt of the main belt conveyor is supported from the back side and is maintained in a flat state in a state where it is in a state, it is easy to sufficiently secure the pressing force to the conveyed object by the hold belt conveyor It will be 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-described vertical belt conveyor, at least the back surface side predetermined ranges on both ends in the width direction of both belts are magnetized, and the opposing guide surfaces of the groove members are also magnetized, and The magnets on the back surfaces of the belts and the magnets of the guide surfaces facing the belts have the same polarity, thereby maintaining the state where the back surfaces of the belts are not in contact with the guide surfaces by the magnetic repulsive force. If it is supposed to be conveyed in the vertical direction in a state where both ends in the width direction are pressed in the contact direction, while avoiding frictional resistance between the belt and the guide surface of the guide groove, It becomes easy to maintain the state where both ends in the width direction of both belts are in close contact.

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 ends in the width direction of both belts are magnetized so as to have different polarities at positions where they are in contact with each other, and the both end sides are magnetically attracted to each other in the parallel running portion. If this is the case, it is possible to further ensure the contact state between both ends of the belt.

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-described vertical belt conveyor, the belt of the hold belt conveyor has a predetermined range in the center portion in the width direction formed more flexibly than the other end portions in the width direction. If the center part in the width direction is elastically deformed within a predetermined range depending on the size and shape, both ends of both belts will be able to handle larger size transported items. It becomes easier to maintain the close contact state.

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 that hold both belts in close proximity to each other are arranged so as to cover a predetermined range of the vertical conveyance path. Even if it exists, it can convey in the orthogonal | vertical direction in a favorable state, without making it leak 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 longitudinal cross-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 the end elevation cut | disconnected along the AA line 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 elevation which shows the state which is conveying the conveyed product in 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 the cross-sectional view which expanded the state of the belt width direction edge part side of the vertical conveyance 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。FIG. 5 is an enlarged cross-sectional view illustrating a state where a conveyed product is being conveyed from the state of FIG. 4. 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)。FIG. 2 is an enlarged side view showing an application example of the roller on the end side of the horizontal conveyance path in FIG. 1 (the belt and the elastic cylinder are longitudinal sectional views). 図4の変形例を示す拡大した横断面図である。FIG. 5 is an enlarged cross-sectional view showing a modification of FIG. 4. (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), (C) is the longitudinal cross-sectional view cut | disconnected in the width direction which shows the application example of the belt in this 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 is a longitudinal sectional view of a vertical belt conveyor 1 according to the present embodiment. The vertical belt conveyor 1 is a small, light and soft transported material such as cereal steamed in a food production process or the like. However, it can also be used when transporting from a high position to a low position by reversely rotating a drive motor (not shown).

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。   This vertical belt conveyor 1 includes a main belt conveyor 3 that rotates a drive pulley 4 to drive an endless belt 3A that constitutes a vertical conveyance path 31 between a horizontal introduction path 30 and a horizontal delivery path 32; The hold belt conveyor 2 that rotates the belt 2A synchronously with the belt 3A described above 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. The conveyed product is conveyed in the vertical direction by the vertical conveying path 31 formed between the driven roller 41 and the roller 42 while the conveyed product is sandwiched between the parallel running portions.

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, the belts 2A and 3A are overlapped on a portion covering 80% or more of the entire length of the vertical conveyance path 31 in order to prevent the conveyed product from leaking from both ends in the width direction of the belts 2A and 3A. A pair of groove members 10A, 10A each having a guide groove 17a having an opening width slightly larger than the combined thickness in the longitudinal direction is disposed so as to sandwich both ends in the width direction of both belts 2A, 3A. Yes.

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。   Thus, the guide surfaces formed opposite to the inner walls of the belts 2A and 3A are driven with the both ends in the width direction inserted into the guide grooves 11 and 11 at a predetermined depth. The two belts 2A and 3A are held in close proximity to the back surfaces of the belts 2A and 3A while maintaining the surfaces of both belts 2A and 3A at the both ends in the width direction substantially in contact with each other. It is a characteristic part in 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。   In addition, in the vertical conveyance path 31, a receiving plate 16 that is adjacent in parallel to the belt 3 </ b> A side of the main belt conveyor 3 is disposed so as to occupy about 90% of the total length of the vertical conveyance path 31. By supporting the belt 3A of the main belt conveyor 3 from the back side with the conveyed product sandwiched between them, the belt 3A is maintained in a flat state, and it is easy to secure the pressing force to the conveyed product by the belt 2A. Yes.

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, the vertical conveying path 31 is parallel to the back surface of the belt 2A of the hold belt conveyor 2 at a position having a predetermined interval so as to cover the same range as the receiving plate 16 described above. Thus, the holding plate 17 is disposed, and the amount of swelling caused by the conveyed product sandwiched by the belt 2A is limited to a predetermined range, thereby preventing the belt 2A from excessively swelling and leaking the conveyed product. These members and the pulleys and rollers including the drive pulleys 4 and 5 and the rollers 41 and 42 described above are supported in a state of being interposed between a side plate 7a and a side plate 7b (not shown) disposed opposite to the side plate 7a. Has been.

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 end view taken along the line AA of FIG. 1 and enlarged. As described above, the belts 2 </ b> A and 3 </ b> A are held in a state where most widthwise ends of the belt 2 </ b> A and 3 </ b> A are inserted into the guide grooves 11 and 11 of the groove members 10 </ b> A and 10 </ b> A. The eleven guide surfaces 110a and 110b are close to the back side thereof, so that the both ends are kept in an overlapped state.

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 where the conveyed product is sandwiched and conveyed between the belts 2A and 3A. As shown in the figure, the belt 3A of the main belt conveyor 3 maintains a flat state due to the receiving plate 16 on the back surface side, but the belt 2A of the hold belt conveyor 2 is between the press plate 17 and the belt 3A. Since there is a gap, the material is swelled in the direction of the presser plate 17 while being elastically deformed by sandwiching the conveyed product. And even in the state where the conveyed product is sandwiched between the belts 2A and 3A in this way, both end sides of the width direction are overlapped by being inserted into the guide grooves 11 and 11 of the groove members 10A and 10A. While the state is maintained, the transported material is prevented from leaking.

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 the state of the belts 2B and 3B on the side in the width direction in the application example of the vertical belt conveyor 1 of FIG. In this example, the portions inserted into the guide grooves 11B and 11B at both ends in the width direction of the belts 2B and 3B are magnetized in the thickness direction, and the inner walls of the guide grooves 11B and 11B have a thickness. Tape-like magnet sheets 14 and 14 magnetized in the direction are stuck along 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 polarities, and the back surface of the belt 2B and the guide surface 111a that is adjacent thereto are N of the same polarity. , 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 polarity, so that they are not easily contacted by magnetic repulsion. Therefore, the belts 2B and 3B are easy to maintain the close contact state at both ends in the width direction, and are less likely to cause friction between the belts 2B and 3B and 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 where the conveyed product 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. However, the belt 2B paired with the belt 3B inflates the central portion because there is a transported object (not shown). Thus, the vehicle travels in an elastically deformed state.

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。   As described above, the belt 2B is elastically deformed at the center portion, so that both ends in the width direction are slightly attracted toward the center. However, due to the magnetic attraction between the belt 3B and the magnetic repulsion between the guide surface 111a. In this way, a good contact state is maintained with the belt 3B. In order to magnetize the belts 2B and 3B, ferrite is uniformly kneaded into a synthetic resin raw material for forming the belts 2B and 3B to form a sheet and then magnetized by exposure to a strong magnetic field. The belts 2B and 3B can be created by joining the magnetized sheet thus produced and a normal sheet in the width direction. Moreover, since the part which knead | mixed the ferrite becomes harder than the other part, the effect similar to the case where it reinforces can also be expected. Furthermore, it is possible to further enhance the sealing performance of the portion sandwiching the conveyed product by expanding the magnetizing width.

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 serving as a connection point between the horizontal introduction path 30 and the vertical conveyance path 31 in FIG. 1, and a cylindrical shape provided in the belt 2A, 3A and the center of the roller 42. The elastic cylinder 43 is shown in a longitudinal 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 cylindrical body 43 in which foamed resin or the like is formed in a cylindrical shape is inserted in that 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 product placed on the belt 3A by the horizontal introduction unit 30 is sandwiched between the belt 2A, the central portion of the roller 42 is elastically recessed according to the size and shape of the conveyed product. Thus, the conveyed product can be smoothly introduced into the vertical conveying path 31 while maintaining the close contact state of both ends in the width direction of the belts 2A and 3A.

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 affixed to the back side of normal belts 2A and 3A and combined with a frame member 10C to which magnet sheets 14 and 14 are affixed. However, the same function as described above can be exhibited. In the above description, the double-sided magnetization magnetized in the thickness direction of the belt and the magnet sheet is used. However, the single-sided multipolar magnetization and double-sided multipolar magnetization that are magnetized in the width direction are adjacent surfaces. It is also possible to regulate the width that the belts are displaced so that the polarity 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 longitudinal sectional view cut in the width direction for explaining an application example of the belt in the present invention, and FIG. 8 (A) shows the belt of the hold belt conveyor combined with the 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 end portions, and both end sides of the sheet 22a are thinner and more flexible than the belt 3A. Are reinforced with sheets 22b and 22c, respectively. As a result, the central portion can be more flexibly deformed depending on the size and shape of the sandwiched conveyed product.

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 in which the central portion sandwiching the conveyed product is made of a material that is more flexible than the other end portions, and the sheet-like materials having different flexibility are connected to each other. It is characterized by the points created together. On the other hand, FIG. 8C shows a combination of belts 2F and 3F formed by sticking the magnet sheets 24 as described above to both ends of a relatively flexible belt and reinforcing the portions. Thus, only the central portion in the width direction is easily elastically deformed while exhibiting the same magnetic function as described above, and the sealability of the portion holding the conveyed product is 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, regarding the vertical belt conveyor, even a small, light, and soft conveyance object can be conveyed in the vertical direction in a good state without being leaked in the middle according to the present invention.

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 backing plate, 30 horizontal introduction path, 31 vertical conveyance path, 32 horizontal delivery path

Claims (6)

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、前記垂直搬送路の少なくとも中央部分を含む所定範囲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、ことを特徴とする垂直ベルトコンベア。   Vertically conveying the conveyed product in the vertical direction in the vertical vertical conveying path of the parallel running part while sandwiching the conveyed product in the parallel running part in which the belt of the main belt conveyor and the belt of the hold belt conveyor face and approach each other. In the belt conveyor, groove members formed by providing guide grooves having opposed guide surfaces in the longitudinal direction are arranged in pairs so as to cover a predetermined range including at least the central portion of the vertical conveyance path, The both belts while the opposite guide surfaces are close to the back surfaces of the belts and the surfaces on both ends are close to each other, with both end sides in the width direction of the belts inserted into the guide grooves at a predetermined depth. A vertical belt conveyor characterized by holding. 前記対の溝部材は、前記垂直搬送路の全長の8割以上をカバーしている、ことを特徴とする請求項1に記載した垂直ベルトコンベア。   The vertical belt conveyor according to claim 1, wherein the pair of groove members cover 80% or more of the total length of the vertical conveyance path. 前記垂直搬送路の前記主ベルトコンベアのベルト裏面側には、該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、前記搬送物を挟み込んだ状態で前記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、ことを特徴とする請求項1又は2に記載した垂直ベルトコンベア。   On the belt back surface side of the main belt conveyor of the vertical conveyance path, a receiving plate that is close to the belt is disposed over a predetermined range, and the main belt conveyor is sandwiched with the conveyed product sandwiched therebetween. The vertical belt conveyor according to claim 1, wherein the belt is supported from the back side and is maintained in a flat state. 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前記案内面の磁性が各々同極とされていることにより、その磁気反発力により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前記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、ことを特徴とする請求項1,2又は3に記載した垂直ベルトコンベア。   At least the back surface side predetermined ranges on both ends in the width direction of both belts are magnetized, and the opposed guide surfaces of the groove members are also magnetized, and the magnets on the back surfaces of both belts are opposed to the magnets. The magnetic properties of the guide surfaces are the same, so that the magnetic repulsive force maintains the state where the back surface of the belt is not in contact with the guide surface and the both end sides in the width direction of the belts are in close contact directions. The vertical belt conveyor according to claim 1, 2 or 3, wherein the vertical belt conveyer is conveyed in a vertical direction in a pressed state. 前記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、ことを特徴とする請求項4に記載した垂直ベルトコンベア。   The surface-side predetermined range on both ends in the width direction of both belts is magnetized so as to have different polarities at positions where they are in contact with each other, and the both ends are magnetically attracted to each other at the parallel portion. The vertical belt conveyor described in 4. 前記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、挟み込んだ前記搬送物のサイズ・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、ことを特徴とする請求項1,2,3,4又は5に記載した垂直ベルトコンベア。   The belt of the hold belt conveyor is formed so that a predetermined range of the central portion in the width direction is more flexible than the other end portions in the width direction, and the center in the width direction according to the size and shape of the transported object sandwiched The vertical belt conveyor according to claim 1, 2, 3, 4, or 5, wherein the portion is elastically deformed within a predetermined range.
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