JP4895433B2 - Method and apparatus for removing deposits on horizontal rail of conveyor belt with horizontal rail - Google Patents

Method and apparatus for removing deposits on horizontal rail of conveyor belt with horizontal rail Download PDF

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Publication number
JP4895433B2
JP4895433B2 JP2001151140A JP2001151140A JP4895433B2 JP 4895433 B2 JP4895433 B2 JP 4895433B2 JP 2001151140 A JP2001151140 A JP 2001151140A JP 2001151140 A JP2001151140 A JP 2001151140A JP 4895433 B2 JP4895433 B2 JP 4895433B2
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Japan
Prior art keywords
horizontal beam
belt
hammer
horizontal
conveyor belt
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Expired - Fee Related
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JP2001151140A
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Japanese (ja)
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JP2002347916A (en
Inventor
喜人 佐藤
勝則 前田
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Kitagawa Iron Works Co Ltd
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Kitagawa Iron Works Co Ltd
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Priority to JP2001151140A priority Critical patent/JP4895433B2/en
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Description

【0001】
【産業上の利用分野】
本発明は、横桟付コンベヤベルトの横桟へ付着した後の付着物の除去方法およびその装置に関するものである。
【0002】
【従来の技術】
大きい傾斜角で搬送物を運搬する横桟付ベルトコンベヤの巾方向に横桟を有するベルトはベルトの表面に横桟が有り、通常の平ベルトで用いられる単なる掻き落とし方式では付着物の除去が行えない。
従来はこれらの横桟付コンベヤベルトの付着物の除去には横桟上端部が引っかかる構造の突起部をコンベヤフレームに設けベルトの進行によって横桟を突起部に引っかけて弾性変形させて、突起部を通過した際に曲げられた横桟が元に戻る力で付着物を除去している。
【0003】
また、特開平11−349125号には突起部の構造を可動式として引っかけた時の抵抗を小さくし、横桟の弾性変形を少なくする方法が提案されている。
しかし、この方法でも横桟の付着物の除去のために横桟を弾性変形させているのには変わりがない。この変形により横桟に無理な曲げが加わり、横桟と平ベルトとの接合基部に亀裂が生じている。
また、実公昭52−55817号には平ベルトの裏側から圧接して回転自在な多角形のロッドを設け、平ベルトが回動することによってロッドも回転し、平ベルトの張力による復元作用とロッドの表面変形の相互作用により平ベルトが叩打されて微振動する。この微振動により平ベルトの表面に付着した付着物を叩き出す。
しかしながら、前記の方法では平ベルトに微振動しか与えることができないので、横桟自体の付着物を叩き落とすことは困難であり、横桟の付着の除去には大きな効果を得ることできない。
【0004】
【発明が解決しようとする課題】
したがって、本発明の目的は、横桟に無理な曲げを生じさせることなく、横桟へ直接に衝撃を加えて横桟の付着物を除去する方法および装置を提供することである。
【0005】
【課題を解決するための手段】
上記の課題を解決するため、本発明は、横桟に衝撃を加えるハンマーと、該ハンマーを備える回転軸と、該回転軸を回転させる駆動源と、該駆動源の回転力を前記回転軸へ伝える動力伝達手段からなり、ベルトの進行により移動する横桟の後方から前記ハンマーを振り叩いて横桟に直接に衝撃を加え、横桟を震動させることを特徴とする横桟付コンベヤベルトの横桟へ付着した後の付着物の除去方法およびその装置である。
【0006】
【発明の実施の形態】
以下、本発明の実施例を図を用いて説明する。図1は横桟付コンベヤベルト2の搬送物運搬時の側面図である。横桟付ベルト2にはベルト表面に横桟3が垂直に設けられている。傾斜の大きいコンベヤや垂直コンベヤでは平坦なベルトでの搬送物の運搬はできないので横桟付ベルト2を用いて搬送物を運搬する。
【0007】
横桟付ベルトコンベヤはヘッドプーリー1とテールプーリー16とこれらのプーリーとの間に巻回されたゴム製の横桟付ベルト2と前記ヘッドプーリー1を回転駆動させる駆動装置15と前記横桟付ベルト2を支持するローラー14とで構成されている。前記横桟付ベルト2の両側端にはゴム製で波形状のフランジ7が全周にわたって設けられており、さらに前記両フランジ7間に位置するベルト2の巾方向に横桟3が複数設けられている。(図2参照)
【0008】
図3は本発明の付着物の除去装置の拡大側面図である。図1で示すように前記付着物の除去装置は搬送物4の運搬後のコンベヤのリターン側(戻り側)に設置される。図4は本発明の付着物の除去装置の正面図である。
リターン側の横桟3が通過しても当たらない位置にコンベヤフレームに支持された軸受11により回転自在となる回転軸9を設ける。該回転軸9を回転させる駆動源6としてモーター10を設け、駆動源6の回転を伝える動力伝達手段8としてモーター10と前記回転軸9にチェーンホイル13とチェーン12を取付けて回転軸9を回転させる。前記回転軸9には回転によりベルト2の横桟3を振り叩いて衝撃を加えるハンマー5が設けられている。該ハンマー5は図4に示されるように回転軸9のベルト巾方向に複数個設けられており、回転軸9の任意な位置へ取り付け可能になされている。
図1では、コンベヤのヘッド部に本発明の除去装置を設けているが、テール部など他の所にもコンベヤのリターン側(戻り側)の任意の位置は取り付けることができる。
【0009】
作用について図5を用いて説明する。図5は本発明の実施例の経過を示している。図5(a)においてハンマー5は水平からの角度が0°の位置にありベルト2の横桟3の移動の邪魔にならないように回転のタイミング・回転数を調整している。また、本実施例では180°間隔でハンマー5を2個備えているが、前記のタイミングによりハンマーの数は選定できる。ベルト2の走行速度より速い速度で回転軸9が回転すると、図5(b)のように横桟3は邪魔なもののない状態で図中右側へ向けて移動し、それを追うようにしてハンマー5が回転してくる。
【0010】
図5(c)においては、横桟3が回転軸9上を通過した時にベルトの進行方向の後方からハンマー5を振り叩いて横桟3へ直接に衝撃を加える。
図5(d)では、ハンマー5は振り叩いた横桟3をさらに後方より押しながら振り抜かれる。横桟3にはハンマー5で振り叩かれることにより衝撃が加えられるので横桟3が震動する。
図5(e)では、ハンマー5は完全に振り下ろされて図5(a)の工程に続いて行き、連続して次の横桟3に衝撃を加える。
このように、横桟3の移動方向と同じ方向から衝撃を加えるので横桟3には無理な曲げ変形を生じることなく、また直接に横桟3自体に衝撃を加えて震動させるので確実に横桟3の付着物を取り除くことができる。
【0011】
また、前記実施例では回転軸9の回転速度を一定としているが、別の実施例としては回転軸9の回転速度を変更可能とし、ハンマー5を振り叩く回転を早くして横桟3への衝撃力をより大きくできる。又はハンマー5の質量を大きくしても横桟3への衝撃力をより大きくできる。本発明では、付着量の多い場合や搬送物に水分が多く含まれて付着物が除去しにくい場合には動力伝達手段8のチェンホイル13を交換して回転比を変えたり、電気的にインバータ装置を用いてモーター10の回転数を変更して回転軸9の回転数を増やしたり、ハンマー5を質量の大きなものに交換したりと容易に対応することができる。
【0012】
さらに、横桟3への付着に偏りがある場合には、ハンマー5のベルト巾方向の取付け位置を付着量の多いところを叩くように変えることにより横桟3へ衝撃を加える位置を調整することができるので付着の多い所を集中して除去することができる。
【0013】
図6は別の実施例を示す。前記回転軸9の回転が横桟3の移動のタイミングと会わなければハンマー5で横桟3を叩くことができない。しかし、ベルト2の走行速度が変動するとハンマー5の横桟3を叩くタイミングが変化して衝撃を加えることができず横桟3の付着の除去が行えなくなる。
そこで図6で示すようにコンベヤのヘッドプーリー1の回転力をギヤ17やチェン12などを用いて回転軸9の駆動源とし、ベルト2の移動速度と回転軸9の回転を同調させれば横桟3の移動とハンマー5の叩くタイミングがズレることなく確実に横桟3へ衝撃を加えることができる。
【0014】
図6の実施例では、ヘッドプーリー1を駆動源としているが、ヘッドプーリーだけではなく、同様に駆動源としてコンベヤの他のプーリー、例えばテールプーリー16・ディスクプーリーや、ベルト2やフランジ7に圧接されることにより回転するローラー14の回転力を用いても前記と同様な効果を得ることができる。
【0015】
また、ハンマー5の形状を前記実施例のようなアーム状とせず断面を多角形状としてハンマー5の角部で振り叩くようにすると装置の省スペース化がはかれる。
【0016】
【発明の効果】
以上述べたように本発明によれば、横桟3を備えるコンベヤベルトの横桟3の付着物の除去において、横桟3に無理な曲げ変形を生じさせることなく横桟3の付着物を除去するので横桟3の変形を小さくすることができ、ベルト2摩耗や横桟3の亀裂を防ぎ、ベルト寿命を長くすることができる。
また、ハンマー5の質量、振り叩く速度、ハンマー5の取り付け位置を変えることにより、付着の偏りや付着量の大小、付着力の大小などの付着の状況に合せた確実な付着の除去を行なうことができる。
【図面の簡単な説明】
【図1】本発明の実施例のコンベヤヘッド部の側面図である。
【図2】横桟付コンベヤベルトの斜視図である。
【図3】本発明の実施例の拡大側面図である。
【図4】本発明の実施例の正面図である。
【図5】本発明の実施例の動作経過を示す側面図である。
【図6】本発明の他の実施例の側面図である。
【符号の説明】
2 ベルト
3 横桟
5 ハンマー
6 駆動源
8 動力伝達手段
9 回転軸
[0001]
[Industrial application fields]
The present invention relates to a method and an apparatus for removing deposits after adhering to a horizontal rail of a conveyor belt with a horizontal rail.
[0002]
[Prior art]
A belt with a horizontal cross in the width direction of a belt conveyor with a horizontal cross that transports the conveyed product at a large inclination angle has a horizontal cross on the surface of the belt, and a simple scraping method used with a normal flat belt can remove the adhered matter. Absent.
Conventionally, for the removal of deposits on these conveyor belts with horizontal rails, a protrusion with a structure that the upper end of the horizontal rail is hooked is provided on the conveyor frame, and the horizontal rail is hooked on the protrusion as the belt advances to elastically deform the protrusion. The adhering material is removed by the force of the horizontal beam bent when it passes.
[0003]
Japanese Patent Application Laid-Open No. 11-349125 proposes a method of reducing the resistance when the protrusion structure is movable and reducing the elastic deformation of the cross rail.
However, even in this method, the horizontal rail is elastically deformed in order to remove the deposits on the horizontal rail. Due to this deformation, an excessive bending is applied to the cross rail, and a crack is generated in the base portion of the cross rail and the flat belt.
Further, in Japanese Utility Model Publication No. 52-55817, a polygonal rod that can be rotated by being pressed from the back side of the flat belt is provided, and when the flat belt rotates, the rod also rotates. The flat belt is struck and vibrates slightly due to the surface deformation interaction. By this slight vibration, the adhered matter adhering to the surface of the flat belt is knocked out.
However, since the above method can give only a slight vibration to the flat belt, it is difficult to knock off the deposits on the horizontal rail itself, and a great effect cannot be obtained in removing the adhesion of the horizontal rail.
[0004]
[Problems to be solved by the invention]
Accordingly, an object of the present invention is to provide a method and an apparatus for removing a deposit on a horizontal beam by applying an impact directly to the horizontal beam without causing excessive bending of the horizontal beam.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a hammer that applies an impact to a cross rail, a rotary shaft including the hammer, a drive source that rotates the rotary shaft, and a rotational force of the drive source to the rotary shaft. A horizontal beam of a conveyor belt with a horizontal beam, comprising power transmission means for transmitting, wherein the hammer is struck from the rear of the horizontal beam that moves as the belt advances to directly impact the horizontal beam and vibrate the horizontal beam. It is the removal method and apparatus of the deposit | attachment after adhering to .
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a conveyor belt 2 with a horizontal rail during conveyance of a conveyed product. In the belt 2 with a horizontal beam, a horizontal beam 3 is vertically provided on the belt surface. Since a conveyor with a large inclination or a vertical conveyor cannot convey a conveyed product with a flat belt, the conveyed object is conveyed using the belt 2 with a horizontal rail.
[0007]
The horizontal conveyor belt conveyor includes a head pulley 1, a tail pulley 16, a rubber horizontal belt belt 2 wound between these pulleys, a driving device 15 that rotationally drives the head pulley 1, and the horizontal rail belt 2. It is comprised with the roller 14 to support. A rubber wave corrugated flange 7 is provided on both ends of the belt 2 with the horizontal rail over the entire circumference, and a plurality of horizontal rails 3 are provided in the width direction of the belt 2 located between the flanges 7. Yes. (See Figure 2)
[0008]
FIG. 3 is an enlarged side view of the deposit removing apparatus of the present invention. As shown in FIG. 1, the deposit removal device is installed on the return side (return side) of the conveyor after transporting the transported material 4. FIG. 4 is a front view of the deposit removing apparatus of the present invention.
A rotating shaft 9 that is rotatable by a bearing 11 supported by a conveyor frame is provided at a position where the return side rail 3 does not hit even if it passes. A motor 10 is provided as a drive source 6 for rotating the rotary shaft 9, and a chain wheel 13 and a chain 12 are attached to the motor 10 and the rotary shaft 9 as a power transmission means 8 for transmitting the rotation of the drive source 6 to rotate the rotary shaft 9. Let The rotating shaft 9 is provided with a hammer 5 that applies an impact by swinging the crosspiece 3 of the belt 2 by rotation. As shown in FIG. 4, a plurality of hammers 5 are provided in the belt width direction of the rotary shaft 9, and can be attached to any position of the rotary shaft 9.
In FIG. 1, the removing device of the present invention is provided in the head portion of the conveyor, but any position on the return side (return side) of the conveyor can be attached to other places such as the tail portion.
[0009]
The operation will be described with reference to FIG. FIG. 5 shows the progress of the embodiment of the present invention. In FIG. 5A, the hammer 5 is at a position where the angle from the horizontal is 0 °, and the rotation timing and the number of rotations are adjusted so as not to obstruct the movement of the cross rail 3 of the belt 2. In this embodiment, two hammers 5 are provided at intervals of 180 °, but the number of hammers can be selected according to the above timing. When the rotary shaft 9 rotates at a speed faster than the traveling speed of the belt 2, the cross rail 3 moves toward the right side in the figure without any obstruction as shown in FIG. 5 is rotating.
[0010]
In FIG. 5C, when the horizontal beam 3 passes over the rotation shaft 9, the hammer 5 is swung from the rear in the belt traveling direction to directly apply an impact to the horizontal beam 3.
In FIG.5 (d), the hammer 5 is shaken out, pushing the crosspiece 3 which was struck further from back. Since the impact is applied to the horizontal beam 3 by being struck by the hammer 5, the horizontal beam 3 vibrates.
In FIG. 5 (e), the hammer 5 is completely swung down and continues to the process of FIG. 5 (a), and continuously applies an impact to the next crosspiece 3.
In this manner, since the impact is applied from the same direction as the movement of the horizontal beam 3, the horizontal beam 3 is not subjected to excessive bending deformation, and the horizontal beam 3 itself is directly shocked and vibrated, so that the horizontal beam 3 is reliably moved. The deposits on the crosspiece 3 can be removed.
[0011]
Moreover, in the said Example, although the rotational speed of the rotating shaft 9 is made constant, as another Example, the rotational speed of the rotating shaft 9 can be changed, the rotation which shakes the hammer 5 is made quick, and it is to the horizontal rail 3 The impact force can be increased. Alternatively, even if the mass of the hammer 5 is increased, the impact force on the crosspiece 3 can be increased. In the present invention, when the amount of adhesion is large or when the conveyed product contains a lot of moisture and it is difficult to remove the deposit, the chain wheel 13 of the power transmission means 8 is replaced to change the rotation ratio, or the electric inverter The number of rotations of the rotating shaft 9 can be increased by changing the number of rotations of the motor 10 using the apparatus, or the hammer 5 can be easily replaced with one having a large mass.
[0012]
Furthermore, when there is a bias in the attachment to the horizontal beam 3, the position where the impact is applied to the horizontal beam 3 is adjusted by changing the attachment position of the hammer 5 in the belt width direction so as to hit the place where the adhesion amount is large. It is possible to concentrate and remove places where there is a lot of adhesion.
[0013]
FIG. 6 shows another embodiment. If the rotation of the rotary shaft 9 does not meet the timing of the movement of the horizontal beam 3, the horizontal beam 3 cannot be hit with the hammer 5. However, if the running speed of the belt 2 fluctuates, the timing of hitting the horizontal rail 3 of the hammer 5 changes, and an impact cannot be applied, and the adhesion of the horizontal rail 3 cannot be removed.
Therefore, as shown in FIG. 6, if the rotational force of the head pulley 1 of the conveyor is used as the drive source of the rotating shaft 9 using the gear 17 or the chain 12, and the movement speed of the belt 2 and the rotation of the rotating shaft 9 are synchronized, An impact can be reliably applied to the horizontal beam 3 without shifting the movement of the beam 3 and the timing at which the hammer 5 strikes.
[0014]
In the embodiment shown in FIG. 6, the head pulley 1 is used as a drive source. However, not only the head pulley but also other pulleys of the conveyor, such as the tail pulley 16 and the disk pulley, the belt 2 and the flange 7 are used as a drive source. Thus, the same effect as described above can be obtained even if the rotational force of the rotating roller 14 is used.
[0015]
Further, if the shape of the hammer 5 is not an arm shape as in the above-described embodiment, but the cross section is made polygonal and the corners of the hammer 5 are swung, the space of the device can be saved.
[0016]
【Effect of the invention】
As described above, according to the present invention, in the removal of the deposits on the horizontal rail 3 of the conveyor belt including the horizontal rails 3, the deposits on the horizontal rail 3 are removed without causing excessive bending deformation of the horizontal rail 3. Therefore, the deformation of the horizontal rail 3 can be reduced, the belt 2 wear and the horizontal rail 3 can be prevented from being cracked, and the belt life can be extended.
In addition, by changing the mass of hammer 5, the speed of hammering, and the mounting position of hammer 5, it is possible to reliably remove adhesion according to the situation of adhesion, such as adhesion bias, amount of adhesion, and magnitude of adhesion force. Can do.
[Brief description of the drawings]
FIG. 1 is a side view of a conveyor head unit according to an embodiment of the present invention.
FIG. 2 is a perspective view of a conveyor belt with a horizontal rail.
FIG. 3 is an enlarged side view of an embodiment of the present invention.
FIG. 4 is a front view of an embodiment of the present invention.
FIG. 5 is a side view showing the operation progress of the embodiment of the present invention.
FIG. 6 is a side view of another embodiment of the present invention.
[Explanation of symbols]
2 Belt 3 Horizontal cross 5 Hammer 6 Drive source 8 Power transmission means 9 Rotating shaft

Claims (4)

横桟を備えるコンベヤベルトの横桟へ付着した後の付着物の除去方法において、横桟に衝撃を加えるハンマーと、該ハンマーを備える回転軸と、該回転軸を回転させる駆動源と、該駆動源の回転力を前記回転軸へ伝える動力伝達手段からなり、ベルトの進行により移動する横桟の後方から前記ハンマーを振り叩いて横桟に直接に衝撃を加え、横桟を震動させることを特徴とする横桟付コンベヤベルトの横桟へ付着した後の付着物の除去方法。In a method for removing deposits after adhering to a horizontal belt of a conveyor belt provided with a horizontal beam, a hammer that applies impact to the horizontal beam, a rotary shaft including the hammer, a drive source that rotates the rotary shaft, and the drive It consists of power transmission means that transmits the rotational force of the source to the rotating shaft, and it strikes the hammer from the back of the horizontal beam that moves as the belt advances, and directly impacts the horizontal beam to vibrate the horizontal beam. The removal method of the deposit | attachment after adhering to the horizontal beam of the conveyor belt with a horizontal beam. 横桟を備えるコンベヤベルトの横桟へ付着した後の付着物の除去装置において、ベルトの進行により移動する横桟の後方から振り叩いて横桟に直接に衝撃を加えるハンマーと、該ハンマーを備え回転によりハンマーを振り回す回転軸と、該回転軸を回転させる駆動源と、該駆動源の回転力を前記回転軸へ伝える動力伝達手段とからなることを特徴とする横桟付コンベヤベルトの横桟へ付着した後の付着物の除去装置。In the apparatus for removing deposits after adhering to the horizontal beam of a conveyor belt provided with a horizontal beam, a hammer for directly impacting the horizontal beam by shaking from the rear of the horizontal beam moved by the progress of the belt, and the hammer To a horizontal beam of a conveyor belt with a horizontal beam, comprising: a rotary shaft that swings a hammer by rotation; a drive source that rotates the rotary shaft; and a power transmission means that transmits the rotational force of the drive source to the rotary shaft. Equipment for removing deposits after adhering. コンベヤのプーリーの回転力を前記駆動源とすることを特徴とする請求項2記載の横桟付コンベヤベルトの横桟へ付着した後の付着物の除去装置。3. The apparatus for removing adhering matter after adhering to a horizontal beam of a conveyor belt with a horizontal beam according to claim 2, wherein a rotational force of a pulley of the conveyor is used as the driving source. ベルトに圧接されることにより回転するローラーの回転力を前記駆動源とすることを特徴とする請求項2記載の横桟付コンベヤベルトの横桟へ付着した後の付着物の除去装置。3. The apparatus for removing deposits after adhering to a horizontal beam of a conveyor belt with a horizontal beam according to claim 2, wherein the driving source is a rotational force of a roller that rotates by being pressed against the belt.
JP2001151140A 2001-05-21 2001-05-21 Method and apparatus for removing deposits on horizontal rail of conveyor belt with horizontal rail Expired - Fee Related JP4895433B2 (en)

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