JP2007197149A - Extended belt conveyor - Google Patents

Extended belt conveyor Download PDF

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JP2007197149A
JP2007197149A JP2006017682A JP2006017682A JP2007197149A JP 2007197149 A JP2007197149 A JP 2007197149A JP 2006017682 A JP2006017682 A JP 2006017682A JP 2006017682 A JP2006017682 A JP 2006017682A JP 2007197149 A JP2007197149 A JP 2007197149A
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belt
pulley
drive
driven
shaft
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Hajime Kosaka
一 小坂
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Maruyasu Kikai Co Ltd
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Maruyasu Kikai Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an extended belt conveyor efficiently drivable and rotatable by a non-contact power transmission mechanism. <P>SOLUTION: In this extended belt conveyor constituted by arranging a pair of opposingly arranged frames 1, 1' to extend one end more than the other end, arranging rotary belts 4 turning in parallel with the frames in an endless manner, and fixing both sides in the direction of the width of an extending and contracting endless conveyance belt 5 between both rotary belts 4 and 4, a driving pulley 2 and a driven pulley 3 for turning the rotary belts 4 support their shaft axes by crossing them at substantially right angle with respect to the frames 1, 1', the driving pulley 2 has a hollow structure and fixes a driven magnet ring 15 on an inner side, and a driving shaft 28 fixing a driving magnet ring 31 is provided in each of driven magnet rings of both driving pulleys by passing through the frames 1, 1' in a non-contact state to rotate the driving pulley 2 by the mutual transmission of a magnetic force by the magnet rings by the rotation of the driving shaft. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、無端回動する搬送ベルトが機長方向一方から他方に向かって該搬送ベルトの幅方向を拡張若しくは狭小して搬送する拡張ベルトコンベヤに関し、更に詳しくは駆動機構の改良に関する。   The present invention relates to an extended belt conveyor that conveys an endlessly rotating conveyor belt that extends or narrows the width direction of the conveyor belt from one side to the other in the machine length direction, and more particularly to an improvement of a drive mechanism.

従来、この種の拡張ベルトコンベヤとして、例えば特許文献１記載の発明が提案されている。
この発明は、所定距離をおいて平行に架設した駆動軸と従動軸へ異なる間隔を保ってそれぞれ一対のスプロケットホイールを固定し、前記各軸の対応するスプロケットホイールにチェーンを装着し、前記チェーンに伸縮材よりなるベルトの両縁をそれぞれ固定してなるものである。そして、前記駆動軸は、主軸の両端へ機械的な自在継手を介してスプロケットホイール固定用の補助軸を連結して構成されている。 Conventionally, for example, an invention described in Patent Document 1 has been proposed as this type of extended belt conveyor.
According to the present invention, a pair of sprocket wheels are fixed to each of a drive shaft and a driven shaft that are installed in parallel at a predetermined distance with different intervals, and a chain is attached to a corresponding sprocket wheel of each shaft, and the chain is attached to the chain. It is formed by fixing both edges of a belt made of an elastic material. The drive shaft is configured by connecting an auxiliary shaft for fixing a sprocket wheel to both ends of the main shaft via mechanical universal joints.

即ち、チェーンが装着される補助軸と従動軸のスプロケットホイールの軸芯は平行である必要がありその為に駆動軸は自在継手を介して取付けられている。   That is, the axis of the sprocket wheel of the auxiliary shaft and the driven shaft on which the chain is mounted must be parallel, and for this reason, the drive shaft is attached via a universal joint.

そのために、駆動軸を回転してスプロケットホイールを噛み合い駆動回転する場合、噛み合いによって騒音が生じるなどの作業環境を悪化させる問題を有する。又、自在継手部分で摩擦による粉塵の発生や、給油による油等が、全ての食品加工ゾーンにおける異物混入や、食の不安全につながり、食品加工機械には好ましくないものである。   Therefore, when the drive shaft is rotated to engage and rotate the sprocket wheel, there is a problem that the working environment is deteriorated such as noise is generated by the engagement. Further, generation of dust due to friction at the universal joint portion, oil due to refueling, etc. lead to foreign matter contamination in all food processing zones and unsafe food, which is not preferable for food processing machines.

実開昭５９−１００７０７号公報Japanese Utility Model Publication No.59-100707

本発明は、上記した従来の技術が有する問題点に鑑みてなされたもので、その目的とするところは、非接触の動力伝達機構で効率良く駆動回転できる拡張ベルトコンベヤを提供する。
又、他の目的は、搬送ベルトに連結する回転帯のメンテナンス、交換等を簡単に行なうことができ、搬送物の乗り移りをスムーズに行うことができる拡張ベルトコンベヤを提供する。 The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide an expansion belt conveyor that can be efficiently driven and rotated by a non-contact power transmission mechanism.
Another object of the present invention is to provide an expansion belt conveyor that can easily perform maintenance, replacement, etc. of the rotating belt connected to the conveyor belt and can smoothly transfer the conveyed object.

上記課題を解決する為に本発明の拡張ベルトコンベヤは、対向配置した一対のフレームが、一方端より他方端が拡開するように配置され、そのフレームの一方端に駆動プーリが、他方端に従動プーリが回転可能に配置され、その駆動プーリと従動プーリに亘って回転帯を巻回し、その両回転帯間に伸縮可能な無端状の搬送ベルトの幅方向両側が固着され、その搬送ベルトが前記一対のフレーム間の機長方向両側に配置した折り返し部材に亘って回転可能に巻回された拡張ベルトコンベヤにおいて、前記駆動プーリ及び従動プーリはその軸芯をフレームに対して略直角に交差させて軸支すると共に、前記駆動プーリは中空構造として内側に従動マグネットリングを固着し、その両駆動プーリの従動マグネットリング内に、駆動マグネットリングを固着した駆動軸を非接触状態でフレームに貫通架設し、前記駆動軸の回転によりマグネットリング相互の磁力伝達で駆動プーリを回転可能としたことを特徴とする（請求項１）。
上記回転帯は、駆動プーリと従動プーリとに亘って巻回され、駆動プーリの駆動により回転するものであればよく、例えば、ゴム或いは樹脂製のタイミングベルト（歯付ベルト）（請求項３)、又はチェーン、平ベルト等が挙げられる。
上記折り返し部材としては、ベルトコンベヤで一般的に採用されているローラ方式、或いはナイフエッジ方式等、何れでもよい。
回転帯を回動する駆動プーリと従動プーリは、該回転帯がタイミングベルトである場合、少なくとも駆動プーリは歯付プーリとし、従動プーリは歯付プーリ或いは表面が平滑なローラのいずれでもよい。
又、上記駆動プーリの取付位置は、商品を狭小側から拡開側へ搬送する場合は拡張側に配置し、商品を拡開側から狭小側へ搬送する場合は狭小側へ配置する。 In order to solve the above problems, the expansion belt conveyor of the present invention is arranged such that a pair of opposed frames are arranged so that the other end is wider than one end, and a drive pulley is at one end of the frame and the other end is at the other end. A driven pulley is rotatably arranged, a rotation belt is wound around the drive pulley and the driven pulley, and both ends in the width direction of an endless transfer belt that can be expanded and contracted are fixed between the rotation pulleys. In the expansion belt conveyor that is rotatably wound around folding members disposed on both sides in the machine length direction between the pair of frames, the drive pulley and the driven pulley have their axis intersecting the frame at a substantially right angle. The drive pulley has a hollow structure and a driven magnet ring is fixed inside, and the drive magnet ring is mounted in the driven magnet ring of both drive pulleys. Sticking the drive shaft penetrates bridged frame in a non-contact state, characterized in that a rotatable driven pulley with magnetic transmission of the magnet ring each other by rotation of the drive shaft (claim 1).
The rotation band may be any one that is wound around a driving pulley and a driven pulley and rotates by driving the driving pulley. For example, a timing belt (toothed belt) made of rubber or resin (Claim 3). Or a chain, a flat belt, etc. are mentioned.
As the folding member, any of a roller method or a knife edge method generally employed in a belt conveyor may be used.
When the rotation belt is a timing belt, at least the drive pulley may be a toothed pulley, and the driven pulley may be a toothed pulley or a roller having a smooth surface.
The drive pulley is mounted on the expansion side when the product is transported from the narrow side to the expansion side, and is disposed on the narrow side when the product is transported from the expansion side to the narrow side.

上記手段によれば、対向配置されたフレームに対して軸芯を略直角に交差させて取り付けられた中空構造の両駆動プーリに亘って貫通横架した駆動軸は、その軸芯が駆動プーリの軸芯とある角度をもって交差するが、該駆動軸に固着した駆動マグネットリングの外側に非接触状態で対向する駆動プーリに固着された従動マグネットリングとの作用で、駆動軸の回転力が駆動プーリに伝達される。それにより、回転帯が回転され、搬送ベルトは無端回動される。   According to the above means, the drive shaft penetrating horizontally across the two drive pulleys of the hollow structure attached so that the shaft core intersects with the opposed frame at a substantially right angle, the shaft core of the drive pulley The drive shaft rotational force is driven by the action of the driven magnet ring fixed to the drive pulley that is opposed to the outer side of the drive magnet ring fixed to the drive shaft in a non-contact state. Is transmitted to. Thereby, the rotation band is rotated, and the conveyor belt is rotated endlessly.

前記折り返し部材としてローラ方式を用いる場合、そのローラは前記駆動プーリ及び従動プーリの外径より小さい短筒状のローラを多数、ローラ軸に串刺し状に嵌合装着してテールローラを構成し、そのテールローラを駆動プーリ及び従動プーリの略直径に合わせて上下方向に間隔をおいて２本架設してもよい（請求項２）。   When a roller system is used as the folding member, the roller is composed of a number of short cylindrical rollers smaller than the outer diameters of the driving pulley and the driven pulley, and fitted into a roller shaft in a skewered manner to form a tail roller. Two tail rollers may be installed at intervals in the vertical direction in accordance with the approximate diameters of the driving pulley and the driven pulley (claim 2).

上記手段によれば、小径のローラを串刺し状に嵌合装着したテールローラが駆動プーリ側及び従動プーリ側にそれぞれ配置されることで、搬送ベルトの折り返しは前記小径ローラの外径で折り返される。従って、本拡張ベルトコンベヤの上流及び下流に接続配置されるコンベヤや装置相互間の隙間を小さくでき、それにより商品の乗り移りを安定してスムーズに行なうことができる。   According to the above-described means, the tail rollers each having a small-diameter roller fitted and attached in a skewered manner are arranged on the driving pulley side and the driven pulley side, respectively, so that the return of the conveying belt is folded at the outer diameter of the small-diameter roller. Therefore, the gap between the conveyors and devices connected and arranged upstream and downstream of the expansion belt conveyor can be reduced, and thereby, the transfer of goods can be performed stably and smoothly.

又、前記回転帯にタイミングベルト（歯付ベルト）を使用し、且つ駆動プーリを歯付プーリで構成し、更にタイミングベルトと搬送ベルトは連結具を介して連結するようにしてもよい（請求項３）。
前記連結具の具体的構成は、例えば、前記タイミングベルトの周方向と直角に交差して該タイミングベルトを下側に係着保持するアタッチメント取付ホルダと、前記アタッチメント取付ホルダの上面に重ね配置する搬送ベルト取付アタッチメント、及び前記両部材を連結一体化する固定手段とで構成し、更に前記搬送ベルト取付アタッチメントは搬送ベルトの幅方向側縁に開孔した取付孔に対して遊嵌係着する掛止め軸を一端に備えた構成とすることができる（請求項４）。 In addition, a timing belt (toothed belt) may be used for the rotating belt, the driving pulley may be constituted by a toothed pulley, and the timing belt and the transport belt may be connected via a connecting tool. 3).
The specific configuration of the connector includes, for example, an attachment mounting holder that crosses at right angles to the circumferential direction of the timing belt and holds the timing belt on the lower side, and a transport that is stacked on the upper surface of the attachment mounting holder. The belt mounting attachment and a fixing means for connecting and integrating the two members, and the conveying belt mounting attachment is a latch that is loosely engaged with a mounting hole that is opened at the side edge in the width direction of the conveying belt. It can be set as the structure provided with the axis | shaft at the end (Claim 4).

上記手段によれば、市販のタイミングベルトを利用して搬送ベルトの幅方向両側に簡単に回転帯を一体的に形成することができる。そして、タイミングベルトからなる回転帯と搬送ベルトの連結一体化は、搬送ベルトの取付孔に、タイミングベルトに固着した搬送ベルト取付アタッチメントの掛止め軸を遊嵌係着するのみで簡単に行なうことができる。   According to the above means, it is possible to easily form the rotation band integrally on both sides in the width direction of the transport belt using a commercially available timing belt. Then, the rotation belt composed of the timing belt and the transport belt can be connected and integrated simply by loosely engaging and engaging the retaining shaft of the transport belt mounting attachment fixed to the timing belt in the transport belt mounting hole. it can.

本発明の拡張ベルトコンベヤは請求項１記載の構成により、自在継手や等速ジョイントを使用することなく、非接触の動力伝達機構で効率良く駆動回転できる拡張ベルトコンベヤを提供することができる。
そして、請求項２記載の構成により、回転帯を駆動回転するプーリの外径とは別に搬送ベルトの折り返し部の曲率半径を小径にすることができる。それにより、拡張ベルトコンベヤの上流及び下流に接続配置されるコンベヤや装置相互間の隙間を小さくでき、商品の乗り移りを安定してスムーズに行なうことができる。 The expansion belt conveyor of the present invention can provide an expansion belt conveyor that can be efficiently driven and rotated by a non-contact power transmission mechanism without using a universal joint or a constant velocity joint.
According to the second aspect of the present invention, the radius of curvature of the folded portion of the conveyor belt can be made smaller than the outer diameter of the pulley that drives and rotates the rotation band. Thereby, the clearance gap between the conveyors and apparatuses connected and arranged upstream and downstream of the expansion belt conveyor can be reduced, and the transfer of goods can be performed stably and smoothly.

更に、請求項３、４記載の構成により、市販のタイミングベルトを利用して搬送ベルトの幅方向両側に簡単に回転帯を一体的に形成することができる。そして、搬送ベルトに連結する回転帯のメンテナンス、交換及び搬送ベルトの交換等を簡単に行なうことができ、低騒音で摩耗粉などの異物混入を防止した拡張ベルトコンベヤを提供することができる。   Furthermore, according to the third and fourth aspects, a rotation belt can be easily formed integrally on both sides in the width direction of the transport belt using a commercially available timing belt. Further, it is possible to easily perform maintenance, replacement, replacement of the transport belt, and the like of the rotating belt connected to the transport belt, and it is possible to provide an extended belt conveyor that is low in noise and prevents foreign matters such as wear powder from entering.

以下、本発明の実施の形態を図面に基づいて説明する。
図１は本発明に係る拡張ベルトコンベヤの概略を示す平面図で、対向配置した一対のフレーム１，１’の一方端１ａ，１ａ’側（拡開側）に駆動プーリ２が、他方端１ｂ、１ｂ’側（狭小側）に従動プーリ３がそれぞれ回転可能に配置され、その駆動プーリ２と従動プーリ３に亘って回転帯４が巻回され、その両回転帯４，４間に伸縮可能な無端状の搬送ベルト５の幅方向両側が連結されており、前記駆動プーリ２が磁力を利用した非接触型の動力伝達機構で駆動回転されるように構成されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view schematically showing an expansion belt conveyor according to the present invention, in which a drive pulley 2 is provided on one end 1a, 1a ′ side (expansion side) of a pair of opposed frames 1, 1 ′ and the other end 1b. 1b 'side (narrow side) driven pulley 3 is rotatably arranged, and a rotating band 4 is wound around the driving pulley 2 and the driven pulley 3, and can be expanded and contracted between the rotating bands 4 and 4. Both ends of the endless conveyance belt 5 in the width direction are connected, and the drive pulley 2 is configured to be driven and rotated by a non-contact type power transmission mechanism using magnetic force.

上記一対のフレーム１，１’は、断面コ字形に形成された金属製の枠体で構成され、その両フレーム１，１’の一方端１ｂ，１ｂ’間の間隔に対して他方端１ａ、１ａ’間の間隔が広くなるように非平行状に配置され、その両フレーム１，１’は２本の横桟６，６’で連結されて一体化されており、更にフレーム１，１’は脚部材７，７’上に載置固定されている。尚、横桟６，６’はその長さ方向の略中央部がステー８で連結されている。   The pair of frames 1 and 1 'is formed of a metal frame formed in a U-shaped cross section, and the other end 1a and the distance between the ends 1b and 1b' of the frames 1 and 1 ' The frames 1 and 1a are arranged in a non-parallel manner so that the interval between them is wide, and both the frames 1 and 1 'are connected and integrated by two horizontal bars 6 and 6'. Is mounted and fixed on the leg members 7 and 7 '. The horizontal rails 6 and 6 ′ are connected by a stay 8 at a substantially central portion in the length direction.

又、フレーム１，１’を連結する横桟６，６’には、図２に示すように前記フレーム１，１’の内側に嵌る平面略台形状をなした金属平板からなるトラフ９が水平に架設され、そのトラフ９の機長方向両側部（図面では右端と左端）の上下合計４箇所に折り返し部材１０が取付けられ、その４本の折り返し部材１０に亘って搬送ベルト５が巻回されている。それにより、前記トラフ９は搬送ベルト５の往路側の下側に配置され、トラフ９は搬送ベルト５の往路側を下方より支持するように構成されている。
上記トラフ９は、一枚板で構成してもよいが、製作組立てにおける取扱いを考慮した場合は、図示するように中央で分割した形態とするのが好適である。 Further, as shown in FIG. 2, a trough 9 made of a flat metal plate having a substantially planar shape that fits inside the frames 1 and 1 'is horizontally attached to the horizontal rails 6 and 6' connecting the frames 1 and 1 '. Folding members 10 are attached to a total of four places on the upper and lower sides of the trough 9 in the longitudinal direction (right and left ends in the drawing), and the conveyor belt 5 is wound around the four folding members 10. Yes. Accordingly, the trough 9 is arranged on the lower side of the forward path side of the conveyor belt 5, and the trough 9 is configured to support the forward path side of the conveyor belt 5 from below.
The trough 9 may be constituted by a single plate. However, when handling in production and assembly is taken into consideration, it is preferable that the trough 9 is divided at the center as shown in the figure.

上記折り返し部材１０は、ローラ軸１０ａに合成樹脂材で形成した短筒状のローラ１０ｂを多数、串刺し状に嵌合して構成され、そうした折り返し部材１０がトラフ９の機長方向両側に取付片１１を介して水平に架設されている。尚、上下に配置する折り返し部材１０のうち、下側に配置する折り返し部材は上側に配置する折り返し部材より僅か機長方向内側に入れて配置されている。   The folding member 10 is configured by fitting a number of short cylindrical rollers 10b formed of a synthetic resin material on a roller shaft 10a in a skewered manner, and the folding members 10 are attached to the troughs 9 on both sides in the machine length direction. It is installed horizontally through Of the folding members 10 arranged up and down, the folding member arranged on the lower side is arranged slightly inward in the machine length direction than the folding member arranged on the upper side.

上記一対のフレーム１，１’の一方端１ａ，１ａ’に軸支する駆動プーリ２は、図４に示すように中空リング状の歯付プーリで構成され、その軸方向一側に軸受筒部１２が一体的に連設形成され、その軸受筒部１２がフレーム１，１’に固着した軸受ボス１３に軸受１４を介して回転可能に軸支されている。
又、軸受ボス１３に装着される軸受１４は、その軸芯がフレーム１，１’に対して直角に交差するように配置されている。 The drive pulley 2 that pivotally supports one end 1a, 1a 'of the pair of frames 1, 1' is constituted by a hollow ring-shaped toothed pulley as shown in FIG. 12 is integrally formed continuously, and the bearing tube portion 12 is rotatably supported by a bearing boss 13 fixed to the frames 1 and 1 ′ via a bearing 14.
Further, the bearing 14 attached to the bearing boss 13 is arranged so that the axis of the bearing 14 intersects the frame 1, 1 ′ at a right angle.

上記駆動プーリ２のリング内側には従動マグネットリング１５が嵌合装着され、スナップリング１６で定着保持されている。即ち、従動マグネットリング１５は駆動プーリ２に対して着脱交換可能に取付けられている。
上記従動マグネットリング１５は、永久磁石で構成され、筒状に形成した内周面に、Ｎ極帯とＳ極帯とが交互に螺旋状に着磁されて構成してある。そして、この従動マグネットリング１５は後述する駆動軸に装着される駆動マグネットリングとで非接触型の磁力を利用した動力伝達機構を構成し、結果的に駆動プーリ２が駆動回転される。 A driven magnet ring 15 is fitted and mounted inside the ring of the drive pulley 2 and is fixedly held by a snap ring 16. That is, the driven magnet ring 15 is attached to the drive pulley 2 so as to be attachable / detachable.
The driven magnet ring 15 is composed of a permanent magnet, and has an N-pole band and an S-pole band alternately spirally magnetized on a cylindrical inner peripheral surface. The driven magnet ring 15 constitutes a power transmission mechanism using a non-contact type magnetic force with a drive magnet ring mounted on a drive shaft, which will be described later, and as a result, the drive pulley 2 is driven and rotated.

上記一対のフレーム１，１’の他方端１ｂ，１ｂ’に軸支する従動プーリ３は、外周面が平滑なローラで構成され、フレーム１，１’に対して軸芯を直角に交差させ、且つ回転止めして機長方向に移動調整可能に取付けた支軸１７に軸受１８を介して回転可能に軸支されている。
従動プーリ３を軸支する支軸１７をフレーム１，１’の機長方向に移動調整する機構は、該フレーム１，１’の端部外側から機長方向に向かって調節ネジ杆１９を回転可能に挿通し、その調節ネジ杆１９を、前記支軸１７に軸芯と直角に交差させて形成したネジ孔２０に螺着する。又、支軸１７はフレーム１，１’に形成した機長方向に沿う案内長孔２１に嵌着されている。
それにより、調節ネジ杆１９を時計回り方向、又は反時計回り方向に回動すると、該調節ネジ杆１９と螺合する支軸１７は案内長孔２１に回り止めされている為、該案内長孔２１に沿って移動することになる。これにより駆動プーリ２と従動プーリ３の軸間距離を微調整でき、駆動プーリ２と従動プーリ３に亘って巻回する回転帯の張力を調整することができる。尚、回転帯の張力調整機構は図示の構成に限定されず、現在、ベルトコンベヤ等でベルトの張力調整機構として採用されている各種の機構を選択採用することができる。
尚、図示の例では従動プーリ３として外周面に歯が形成されていないローラを示したが、この従動プーリ３は駆動プーリ２と同様歯付プーリでもよいものである。 The driven pulley 3 that pivotally supports the other ends 1b and 1b ′ of the pair of frames 1 and 1 ′ is composed of a roller having a smooth outer peripheral surface, and the shaft core intersects the frames 1 and 1 ′ at a right angle. In addition, it is rotatably supported via a bearing 18 on a support shaft 17 which is fixed so as to be able to move and adjust in the machine length direction.
The mechanism for moving and adjusting the support shaft 17 that supports the driven pulley 3 in the machine length direction of the frames 1 and 1 'allows the adjustment screw rod 19 to be rotated from the outside of the ends of the frames 1 and 1' in the machine direction. The adjusting screw rod 19 is inserted into a screw hole 20 formed by intersecting the support shaft 17 at right angles to the axis. Further, the support shaft 17 is fitted into a guide long hole 21 formed in the frame 1, 1 ′ along the machine length direction.
Accordingly, when the adjusting screw rod 19 is rotated in the clockwise direction or the counterclockwise direction, the support shaft 17 screwed with the adjusting screw rod 19 is prevented from rotating in the guide long hole 21, so that the guide length It moves along the hole 21. As a result, the distance between the shafts of the driving pulley 2 and the driven pulley 3 can be finely adjusted, and the tension of the rotating belt wound around the driving pulley 2 and the driven pulley 3 can be adjusted. The tension adjusting mechanism for the rotating belt is not limited to the illustrated configuration, and various mechanisms that are currently employed as a belt tension adjusting mechanism in a belt conveyor or the like can be selectively employed.
In the illustrated example, the driven pulley 3 is a roller in which teeth are not formed on the outer peripheral surface. However, the driven pulley 3 may be a toothed pulley similar to the drive pulley 2.

上記した駆動プーリ２と従動プーリ３とに亘って巻回する回転帯４は、ゴム又は樹脂製のタイミングベルト（歯付ベルト）で構成され、そのフレーム１，１’に沿った両回転帯４，４間に、伸縮可能な無端状の搬送ベルト５を配置し、その搬送ベルト５の幅方向両側を前記回転帯４，４と連結具２２で連結され、回転帯４，４の回転で搬送ベルト５が無端回動されるようになっている。   The rotation band 4 wound around the drive pulley 2 and the driven pulley 3 is composed of a rubber or resin timing belt (toothed belt), and both rotation bands 4 along the frames 1 and 1 '. 4, an endless conveying belt 5 that can be expanded and contracted is arranged, and both sides of the conveying belt 5 in the width direction are connected to the rotating bands 4 and 4 by the connecting tool 22, and are conveyed by the rotation of the rotating bands 4 and 4. The belt 5 is rotated endlessly.

搬送ベルト５は、縦横方向、即ち周方向及び周方向と直交するベルト幅方向に伸縮可能に構成されている。そして、この搬送ベルト５のベルト幅方向の両側縁に沿って取付孔２３が等間隔で開設され、その取付孔２３には鳩目様のアタッチメント取付金具２３’が取付けられて該取付孔２３の孔縁が補強されている。このアタッチメント取付金具２３’で補強された取付孔２３に、前記回転体４に取付けた連結具２２が係着されて、ベルト幅方向両側に回転帯４、４を一体に備えた搬送ベルト５が完成される。尚、取付孔２３が形成される側縁部分はベルト地を二枚積層して補強されている。   The conveyor belt 5 is configured to be extendable in the longitudinal and lateral directions, that is, in the circumferential direction and the belt width direction orthogonal to the circumferential direction. Then, attachment holes 23 are formed at equal intervals along both side edges in the belt width direction of the conveyor belt 5, and eyelet-like attachment fittings 23 ′ are attached to the attachment holes 23. The edges are reinforced. A connection tool 22 attached to the rotating body 4 is engaged with the attachment hole 23 reinforced by the attachment attachment metal fitting 23 ′, and the conveyance belt 5 integrally including the rotation bands 4 and 4 on both sides in the belt width direction is provided. Completed. In addition, the side edge part in which the attachment hole 23 is formed is reinforced by laminating two belt bases.

上記連結具２２は、図７乃至図１０に示すように回転帯４を構成する前記タイミングベルトの歯付き面（内側面）４ａと反対側の平滑面（外側面）４ｂ上に、該ベルトを横切るように周方向と直角に交差して配置するアタッチメント取付ホルダ２４と、前記アタッチメント取付ホルダ２４の上面に重ね配置する搬送ベルト取付アタッチメント２５、及び前記アタッチメント取付ホルダ２４と搬送ベルト取付アタッチメント２５を連結一体化する固定手段の止ネジ２６、更に前記搬送ベルト取付アタッチメント２５の搬送ベルト側の突出端部に固着した掛止め軸２７とで構成されている。これらにより、搬送ベルトの幅方向の両側縁の回転軌跡を、駆動プーリ及び従動プーリのピッチ径と一致させることができる。   As shown in FIGS. 7 to 10, the connecting member 22 is placed on the smooth surface (outer surface) 4 b opposite to the toothed surface (inner surface) 4 a of the timing belt constituting the rotation band 4. Attachment attachment holder 24 arranged so as to cross at right angles to the circumferential direction so as to cross, conveyance belt attachment attachment 25 arranged on the upper surface of attachment attachment holder 24, and attachment attachment holder 24 and conveyance belt attachment attachment 25 connected to each other A fixing screw 26 as a fixing means to be integrated, and a latching shaft 27 fixed to a protruding end portion of the conveying belt mounting attachment 25 on the conveying belt side. As a result, the rotation trajectories of both side edges in the width direction of the conveyor belt can be matched with the pitch diameters of the driving pulley and the driven pulley.

上記アタッチメント取付ホルダ２４は合成樹脂材によって回転帯４の幅方向を跨ぐ長さのプレート状に形成され、その一側面の長さ方向両側部には前記回転帯４が挟入される差込溝を構成する凸部２４ａ，２４ｂが突出形成されている。そして、差込溝を構成する凸部２４ａ，２４ｂは回転帯４に対して着脱する為、一方の凸部２４ａの溝が他方の凸部２４ｂの溝の略倍の深さに形成されている。その為に、回転帯４を凸部２４ａ，２４ｂ間に挟入した状態では、該回転帯４とアタッチメント取付ホルダ２４は相対して回転帯の幅方向に移動自在となる。その為、回転帯４に対してアタッチメント取付ホルダ２４を移動しないように定着保持する為に、深い溝を形成する凸部２４ａには回転帯４を挟入後、外側よりスペーサ２４ｃを差し込んで余分な空間を埋めるように構成されている。
又、前記凸部２４ａ，２４ｂに形成する差込溝は、回転帯４における歯の部分が嵌入する溝とし、それにより回転帯４に対してアタッチメント取付ホルダ２４が周方向に移動しないように構成されている。尚、凸部２４ａ，２４ｂは駆動プーリ２に対する回転帯（タイミングベルト）４の噛み合いに支障とならない幅とし、この凸部２４ａ，２４ｂが駆動プーリ２及び従動プーリ３のそれぞれ側縁に係合することで、回転帯４が駆動プーリ２及び従動プーリ３から外れるのが防止されている。 The attachment mounting holder 24 is formed of a synthetic resin material in the form of a plate having a length extending across the width direction of the rotation band 4, and the insertion groove into which the rotation band 4 is inserted on both sides in the length direction of one side surface thereof. Convex portions 24a and 24b that form a protrusion are formed. And since convex part 24a, 24b which comprises an insertion groove | channel is attached or detached with respect to the rotation band 4, the groove | channel of one convex part 24a is formed in the depth of the double of the groove | channel of the other convex part 24b. . Therefore, in a state where the rotation band 4 is sandwiched between the convex portions 24a and 24b, the rotation band 4 and the attachment mounting holder 24 are relatively movable in the width direction of the rotation band. Therefore, in order to fix and hold the attachment mounting holder 24 so as not to move with respect to the rotation band 4, after inserting the rotation band 4 into the convex portion 24a forming a deep groove, an extra spacer 24c is inserted from the outside. It is configured to fill a large space.
Further, the insertion grooves formed in the convex portions 24a and 24b are grooves into which the tooth portions of the rotation band 4 are inserted, thereby preventing the attachment mounting holder 24 from moving in the circumferential direction with respect to the rotation band 4. Has been. The protrusions 24a and 24b have widths that do not hinder the engagement of the rotation belt (timing belt) 4 with the drive pulley 2, and the protrusions 24a and 24b engage with the side edges of the drive pulley 2 and the driven pulley 3, respectively. This prevents the rotation band 4 from coming off the drive pulley 2 and the driven pulley 3.

搬送ベルト取付アタッチメント２５は、金属平板で前記アタッチメント取付ホルダ２４と略同じ幅で、長さが略倍の長さのプレート状に形成され、アタッチメント取付ホルダ２４の上に重ね配置し、止ネジ２６で連結固定されるようになっている。そして、アタッチメント取付ホルダ２４上に重ね固定した状態で、アタッチメント取付ホルダ２４より外方に突出する突出端部の下面には前記搬送ベルト５のアタッチメント取付金具２３’に遊嵌係着する掛止め軸２７が一体的に垂下固着されている。   The transport belt mounting attachment 25 is a flat metal plate that is substantially the same width as the attachment mounting holder 24 and is approximately twice as long as the attachment mounting holder 24. It is designed to be connected and fixed. Then, in a state of being overlaid and fixed on the attachment mounting holder 24, a latching shaft that is loosely engaged with the attachment mounting bracket 23 ′ of the conveyor belt 5 on the lower surface of the protruding end portion that protrudes outward from the attachment mounting holder 24. 27 is integrally suspended and fixed.

次に、上記回転帯４，４が巻回された駆動プーリ２を駆動する磁力を利用した動力伝達機構について説明する。
その動力伝達機構は、図１、図４及び図５に示すようにフレーム１，１’に回転可能に軸支した中空の駆動プーリ２，２を貫通して直線１本物の駆動軸２８を挿通し、その駆動軸２８は前記駆動プーリ２，２を軸支する軸受ボス１３の外側に固着した軸受２９，２９で回転可能に支持されている。そして、軸受２９より突出する駆動軸２８の一方端（図面ではフレーム１側）には該駆動軸２８を駆動回転するモータ３０が取付けられている。図示例ではモータ３０として中空モータを使用しているが、モータの種類、形態は問わず、要は駆動軸２８を直接又は間接的に駆動回転できればよい。 Next, a power transmission mechanism using a magnetic force for driving the drive pulley 2 around which the rotating bands 4 and 4 are wound will be described.
As shown in FIGS. 1, 4 and 5, the power transmission mechanism is inserted through a single drive shaft 28 through a hollow drive pulley 2 and 2 rotatably supported on frames 1 and 1 ′. The drive shaft 28 is rotatably supported by bearings 29 and 29 fixed to the outside of the bearing boss 13 that supports the drive pulleys 2 and 2. A motor 30 that drives and rotates the drive shaft 28 is attached to one end (the frame 1 side in the drawing) of the drive shaft 28 that protrudes from the bearing 29. Although a hollow motor is used as the motor 30 in the illustrated example, the type and form of the motor are not limited as long as the drive shaft 28 can be driven and rotated directly or indirectly.

そして、上記駆動軸２８における駆動プーリ２内側の従動マグネットリング１５と対応する箇所に駆動マグネットリング３１が固着され、その駆動マグネットリング３１は従動マグネットリング１５と非接触の状態に保持されている。尚、従動マグネットリング１５は傾斜するフレーム１に対して直角に支持した駆動プーリに固着されている為、該従動マグネットリング１５の軸芯と駆動マグネットリング３１の軸芯は平行ではなく、ある角度αをもって交差するが、両マグネットリングの軸芯の交差部を該マグネットリングの幅（軸芯方向の長さ）の略中央位置とすることで、両マグネットリング相互のギャップは駆動マグネットリング３１の軸芯方向の内側と外側が対称的になり、安定した動力伝達が確立される。
上記駆動マグネットリング３１は、従動マグネットリング１５と同様、永久磁石で構成され、筒状に形成した周面に、Ｎ極帯とＳ極帯とが交互に螺旋状に着磁されて構成してある。尚、実施例ではマグネットに対して螺旋状に着磁したが、駆動伝達が可能であれば、着磁の形態は螺旋状に限定されるものではない。 A drive magnet ring 31 is fixed to a portion of the drive shaft 28 corresponding to the driven magnet ring 15 inside the drive pulley 2, and the drive magnet ring 31 is held in a non-contact state with the driven magnet ring 15. Since the driven magnet ring 15 is fixed to a drive pulley supported at right angles to the inclined frame 1, the axis of the driven magnet ring 15 and the axis of the drive magnet ring 31 are not parallel, but at an angle. Although intersecting with α, the intersecting portion of the shaft centers of both magnet rings is set to a substantially central position of the width of the magnet ring (the length in the shaft core direction), so that the gap between the magnet rings is the same as that of the drive magnet ring 31. The inner and outer sides in the axial direction are symmetrical, and stable power transmission is established.
The drive magnet ring 31 is composed of a permanent magnet, like the driven magnet ring 15, and is composed of an N-pole band and an S-pole band that are alternately magnetized in a spiral shape on a cylindrical surface. is there. In the embodiment, the magnet is magnetized in a spiral shape. However, the form of magnetization is not limited to a spiral shape as long as drive transmission is possible.

上記構成により、モータ３０が駆動して駆動軸２８が駆動回転すると、該駆動軸２８に固着された駆動マグネットリング３１と駆動プーリ２の従動マグネットリング１５との間で磁力による動力伝達が行なわれ、フレーム１，１’に回転可能に軸支した駆動プーリ２が回転される。それにより、該駆動プーリ２とフレーム１，１’の他端側に軸支した従動プーリ３とに亘って巻回した回転帯４が回動される。そして、無端回動する回転帯４，４間に連結具２２で連結された搬送ベルト５は、前記回転帯４，４の間隔を拡張しながらの回動により拡張されてトラフ９の機長方向両側に平行に取付けられた折り返し部材１０で折り返されて無端回動する。しかも、回転帯４と搬送ベルト５は該回転帯４に取付けた連結具２２の掛止め軸２７を、搬送ベルト５のアタッチメント取付金具２３’に遊嵌係着して連結している為、連結部には自由度があり、従って機長方向両側における折り返し部材１０を通過する際の屈曲に対してもスムーズに対応する。尚、搬送ベルト５の回転軌跡は駆動プーリ或いは従動プーリのピッチ円径と略同等が望ましい。又、掛止め軸２７とアタッチメント取付金具２３’の遊嵌係着は、ガタガタで遊びがあり、ただ引っ掛けてあるだけである。   With the above configuration, when the motor 30 is driven and the drive shaft 28 is driven to rotate, power is transmitted by magnetic force between the drive magnet ring 31 fixed to the drive shaft 28 and the driven magnet ring 15 of the drive pulley 2. The drive pulley 2 rotatably supported on the frames 1 and 1 ′ is rotated. Thereby, the rotating belt 4 wound around the drive pulley 2 and the driven pulley 3 pivotally supported on the other end side of the frames 1 and 1 ′ is rotated. Then, the conveyor belt 5 connected by the connecting tool 22 between the endlessly rotating rotating bands 4 and 4 is expanded by rotating while expanding the interval between the rotating bands 4 and 4, and both sides of the trough 9 in the longitudinal direction. It is folded back by the folding member 10 attached in parallel to the endless rotation. In addition, since the rotation belt 4 and the conveyor belt 5 are connected by loosely engaging and engaging the latch shaft 27 of the coupling tool 22 attached to the rotation belt 4 to the attachment mounting bracket 23 ′ of the conveyor belt 5. There is a degree of freedom in the portion, and therefore, it smoothly responds to bending when passing through the folding member 10 on both sides in the machine length direction. The rotation locus of the conveyor belt 5 is preferably substantially equal to the pitch circle diameter of the driving pulley or the driven pulley. Further, the loose engagement between the latch shaft 27 and the attachment mounting bracket 23 ′ is rattled and is merely hooked.

それにより、前記した回転帯４，４の拡開しながらの回動により、フレーム１ｂ、１ｂ’側の搬送ベルト５の幅狭い搬入部に、微小間隔で並列配置された商品Ｗは、ベルト幅方向に拡開されながらフレーム１，１’の一方端１ａ，１ａ’側の幅広い搬出側に向かって回動される。その結果、搬入部に微小間隔で並列された商品Ｗは搬出部に移動するにつれて商品Ｗ相互の間隔が拡大し、商品Ｗ相互が接触しないだけの間隔をあけた並列状態で搬出部側に搬送される。   Thereby, the product W arranged in parallel at a minute interval in the narrow carry-in portion of the conveyance belt 5 on the frames 1b and 1b ′ side by the rotation of the rotation bands 4 and 4 while expanding the belt width is as follows. While being expanded in the direction, the frame is rotated toward a wide carry-out side on the one end 1a, 1a ′ side of the frame 1, 1 ′. As a result, the products W that are arranged in parallel at the carry-in portion are moved to the carry-out portion, and the distance between the products W increases, and the products W are conveyed to the carry-out portion in a parallel state with an interval that does not allow the products W to contact each other. Is done.

本発明は上記した実施の形態に限定されるものではなく、本発明の要旨を変更しない範囲で各部の構成を変更することは可能である。
（１）図示の実施の形態では、回転帯としてタイミングベルトを用いているが、チェーンでもよく、その場合、駆動プーリ及び従動プーリはスプロケットを使用する。
（２）図示の折り返し部材は短筒状のローラからなるものであるが、長尺状のローラでも金属平板或いは樹脂製平板で構成されたナイフエッジとしてもよい。 The present invention is not limited to the above-described embodiment, and the configuration of each part can be changed without departing from the gist of the present invention.
(1) In the illustrated embodiment, a timing belt is used as the rotation band, but a chain may be used. In this case, the driving pulley and the driven pulley use sprockets.
(2) Although the illustrated folding member is composed of a short cylindrical roller, it may be a long roller or a knife edge formed of a metal flat plate or a resin flat plate.

本発明に係る拡張ベルトコンベヤの実施の一例を示す一部切欠平面図。The partially notched top view which shows an example of implementation of the expansion belt conveyor which concerns on this invention. 図１の（２）−（２）線に沿える断面図。Sectional drawing which follows the (2)-(2) line | wire of FIG. 図１の（３）−（３）線に沿える断面図。Sectional drawing which follows the (3)-(3) line | wire of FIG. 要部を拡大して示す一部切欠平面図。The partial notch top view which expands and shows the principal part. 図４の一部切欠側面図。The partially cutaway side view of FIG. （ａ）は図４の（Ｘ）−（Ｘ）線に沿える拡大断面図、（ｂ）は図４の（Ｙ）−（Ｙ）線に沿える拡大断面図。(A) is an expanded sectional view which follows the (X)-(X) line of FIG. 4, (b) is an expanded sectional view which follows the (Y)-(Y) line of FIG. 回転帯と搬送ベルトの連結部を示す一部切欠側面図。FIG. 4 is a partially cutaway side view showing a connecting portion between a rotating belt and a conveyor belt. 図７の一部切欠底面図。The partially cutaway bottom view of FIG. 図７の（９）−（９）線に沿える断面図。Sectional drawing which follows the (9)-(9) line | wire of FIG. 連結具の構成を示す分解斜視図。The disassembled perspective view which shows the structure of a coupling tool.

符号の説明Explanation of symbols

１，１’…フレーム ２…駆動プーリ
３…従動プーリ ４…回転帯
５…搬送ベルト １０…折り返し部材
１５…従動マグネットリング ２２…連結具
２３…取付孔 ２４…アタッチメント取付ホルダ
２５…搬送ベルト取付アタッチメント ２６…止ネジ（固定手段）
２７…掛止め軸 ２８…駆動軸
３０…モータ ３１…駆動マグネットリング 1, 1 '... frame 2 ... drive pulley
3 ... driven pulley 4 ... rotating belt
DESCRIPTION OF SYMBOLS 5 ... Conveyance belt 10 ... Folding member 15 ... Driven magnet ring 22 ... Connection tool 23 ... Attachment hole 24 ... Attachment attachment holder 25 ... Conveyor belt attachment 26 ... Set screw (fixing means)
27 ... Hanging shaft 28 ... Drive shaft 30 ... Motor 31 ... Drive magnet ring

Claims (4)

対向配置した一対のフレームが、一方端より他方端が拡開するように配置され、そのフレームの一方端に駆動プーリが、他方端に従動プーリが回転可能に配置され、その駆動プーリと従動プーリに亘って回転帯を巻回し、その両回転帯間に伸縮可能な無端状の搬送ベルトの幅方向両側が固着され、その搬送ベルトが前記一対のフレーム間の機長方向両側に配置した折り返し部材に亘って回転可能に巻回された拡張ベルトコンベヤにおいて、
前記駆動プーリ及び従動プーリはその軸芯をフレームに対して略直角に交差させて軸支すると共に、前記駆動プーリは中空構造として内側に従動マグネットリングを固着し、その両駆動プーリの従動マグネットリング内に、駆動マグネットリングを固着した駆動軸を非接触状態でフレームに貫通架設し、前記駆動軸の回転によりマグネットリング相互の磁力伝達で駆動プーリを回転可能としたことを特徴とする拡張ベルトコンベヤ。 A pair of oppositely arranged frames are arranged so that the other end is expanded from one end, a driving pulley is arranged at one end of the frame, and a driven pulley is rotatably arranged at the other end. The driving pulley and the driven pulley A rotation belt is wound around the belt, and both ends in the width direction of the endless conveyance belt that can be expanded and contracted are fixed between the rotation bands, and the conveyance belt is disposed on the folding member disposed on both sides in the machine length direction between the pair of frames. In an extended belt conveyor wound so as to be able to rotate,
The drive pulley and the driven pulley are pivotally supported with their shaft cores intersecting the frame at a substantially right angle, and the drive pulley has a hollow structure and a driven magnet ring is fixed inside. An extended belt conveyor characterized in that a drive shaft having a drive magnet ring fixed therein is pierced through the frame in a non-contact state, and the drive pulley can be rotated by transmitting magnetic force between the magnet rings by rotation of the drive shaft. . 前記折り返し部材は、前記駆動プーリ及び従動プーリの外径より小さい短筒状のローラを多数、ローラ軸に串刺し状に嵌合装着して構成されていることを特徴とする請求項１記載の拡張ベルトコンベヤ。   2. The expansion according to claim 1, wherein the folding member is configured by fitting and mounting a plurality of short cylindrical rollers smaller than the outer diameters of the driving pulley and the driven pulley in a skewered manner on the roller shaft. Belt conveyor. 前記回転帯がタイミングベルトで、且つ駆動プーリを歯付プーリで構成し、タイミングベルトと搬送ベルトが連結具を介して連結されていることを特徴とする請求項１記載の拡張ベルトコンベヤ。   2. The expansion belt conveyor according to claim 1, wherein the rotation belt is a timing belt, the driving pulley is a toothed pulley, and the timing belt and the conveying belt are connected via a connecting tool. 前記連結具は、前記タイミングベルトの周方向と直角に交差して該タイミングベルトを下側に係着保持するアタッチメント取付ホルダと、前記アタッチメント取付ホルダの上面に重ね配置する搬送ベルト取付アタッチメント、及び前記両部材を連結一体化する固定手段とで構成され、更に前記搬送ベルト取付アタッチメントは搬送ベルトの幅方向側縁に開孔した取付孔に対して遊嵌係着する掛止め軸を一端に備えていることを特徴とする請求項３記載の拡張ベルトコンベヤ。   The connector includes an attachment mounting holder that crosses at right angles to the circumferential direction of the timing belt, and holds the timing belt on the lower side, a transport belt mounting attachment that is disposed on the upper surface of the attachment mounting holder, and And a fixing means for connecting and integrating the two members. Further, the transport belt mounting attachment has a latch shaft at one end that is loosely engaged with a mounting hole opened at a side edge in the width direction of the transport belt. The expansion belt conveyor according to claim 3, wherein
JP2006017682A 2006-01-26 2006-01-26 Extended belt conveyor Pending JP2007197149A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009060646A1 (en) * 2007-11-08 2009-05-14 Gates Unitta Asia Company Belt profile and profiled belt
JP2009126692A (en) * 2007-11-28 2009-06-11 Tsubakimoto Chain Co Top plate conveyor device
JP2013203501A (en) * 2012-03-27 2013-10-07 Maruyasu Kikai Kk Expansion and contraction conveyor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100707A (en) * 1982-11-25 1984-06-11 Tanaka Kikinzoku Kogyo Kk Spinneret
JPH03117716A (en) * 1989-06-06 1991-05-20 J M Voith Gmbh Beniding correcting roller
JPH0418579A (en) * 1990-05-14 1992-01-22 Olympus Optical Co Ltd Magnet roller working method
JP2000062925A (en) * 1998-08-20 2000-02-29 Maruyasu Kikai Kk Conveyer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59100707A (en) * 1982-11-25 1984-06-11 Tanaka Kikinzoku Kogyo Kk Spinneret
JPH03117716A (en) * 1989-06-06 1991-05-20 J M Voith Gmbh Beniding correcting roller
JPH0418579A (en) * 1990-05-14 1992-01-22 Olympus Optical Co Ltd Magnet roller working method
JP2000062925A (en) * 1998-08-20 2000-02-29 Maruyasu Kikai Kk Conveyer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009060646A1 (en) * 2007-11-08 2009-05-14 Gates Unitta Asia Company Belt profile and profiled belt
CN101855150B (en) * 2007-11-08 2012-06-06 盖茨优霓塔亚洲有限公司 Belt profile and profiled belt
US8567593B2 (en) 2007-11-08 2013-10-29 The Gates Corporation Belt profile and profiled belt
JP2009126692A (en) * 2007-11-28 2009-06-11 Tsubakimoto Chain Co Top plate conveyor device
JP4536107B2 (en) * 2007-11-28 2010-09-01 株式会社椿本チエイン Accumulated top plate conveyor
JP2013203501A (en) * 2012-03-27 2013-10-07 Maruyasu Kikai Kk Expansion and contraction conveyor

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