JPH11246018A - Conveyer belt - Google Patents
Conveyer beltInfo
- Publication number
- JPH11246018A JPH11246018A JP10054919A JP5491998A JPH11246018A JP H11246018 A JPH11246018 A JP H11246018A JP 10054919 A JP10054919 A JP 10054919A JP 5491998 A JP5491998 A JP 5491998A JP H11246018 A JPH11246018 A JP H11246018A
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- threads
- cloth layer
- canvas layer
- sail cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Belt Conveyors (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、コンベヤベルトに
関し、更に詳しくは、水硬性のスラリーなどを載せる帆
布層表面の平坦性、ゴムの裏抜け、耐挫屈性を共に満足
させるようにしたコンベヤベルトに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conveyor belt, and more particularly, to a conveyor belt which satisfies both the flatness of the surface of a canvas layer on which a hydraulic slurry or the like is placed, the penetration of rubber, and the buckling resistance. About the belt.
【0002】[0002]
【従来の技術】例えば、補強繊維を含んだ水硬性のスラ
リーを帯状体に成型し、それを所定の寸法に切断した
後、加熱焼結して屋根瓦や壁板材などを製造する際に、
ベルト本体の表面に帆布層を設けたコンベヤベルトが用
いられている。補強繊維を含んだ水硬性のスラリーがこ
のコンベヤベルト上で搬送されながら帯状体に成型され
るようになっている。2. Description of the Related Art For example, when a hydraulic slurry containing reinforcing fibers is molded into a strip, cut into a predetermined size, and then heated and sintered to produce a roof tile or a wall plate, etc.
A conveyor belt having a canvas layer provided on the surface of a belt body is used. A hydraulic slurry containing reinforcing fibers is formed into a belt while being conveyed on the conveyor belt.
【0003】このようなコンベヤベルトは、水硬性のス
ラリーが載置される表面の帆布層において、帆布層の表
面が均一な平坦性を有すること、ゴムが帆布層表面に裏
抜けしないこと、プーリーに対する追従性があり挫屈し
難いことなどの特性が求められている。帯状体の成型中
に、スラリーが帆布層表面に付着するため、リターン側
をコンベヤベルトが通過する際にスクレーパーで付着物
を削ぎ落としながら帆布層表面が水洗いされる。その
時、帆布層の表面に凹凸があると、その部分にスクレー
パーが繰り返し当たるため、早期に糸切れを発生するの
で、均一な平坦性が要求されるのである。In such a conveyor belt, the surface of the canvas layer on which the hydraulic slurry is placed has a uniform flatness, the rubber does not strike through the surface of the canvas layer, and the pulley has a pulley. There is a demand for characteristics such as the ability to follow and be difficult to buckle. Since the slurry adheres to the surface of the canvas layer during the molding of the belt-like body, the surface of the canvas layer is washed with water while scraping off the adhered substances with a scraper when the conveyor belt passes on the return side. At that time, if the surface of the canvas layer has irregularities, the scraper repeatedly hits the surface, and the yarn breaks at an early stage, so that uniform flatness is required.
【0004】また、帆布層はその裏面にすり込まれたゴ
ムを介してベルト本体に接着するようにしている。その
ゴムすり込みの際に、ゴムが裏抜けして表面まで出る
と、帆布層が水を含み難くなるため、ゴムが帆布層表面
に裏抜けしないことが求められるのである。この特性
は、織密度を高くすることにより得ることができるが、
極端に高くすると、ヨコ糸の浮き上がりにより帆布層表
面に凸部が生じるため、均一な平坦性を損なうことにな
る。[0004] Further, the canvas layer is adhered to the belt body via rubber rubbed on the back surface thereof. If the rubber slips through to the surface when the rubber is rubbed in, the canvas layer hardly contains water, so it is required that the rubber does not strike through the surface of the canvas layer. This property can be obtained by increasing the weave density,
If the height is extremely high, a convex portion is generated on the surface of the canvas layer due to the lifting of the weft yarn, so that uniform flatness is impaired.
【0005】また、挫屈してベルトに曲がり癖が発生す
ると、帆布層表面の平坦性が失われるので、上述したよ
うにスクレーパーにより表面が擦られて早く糸切れを発
生し易くなる。これらの特性は一方を良くすると他方が
悪くなる傾向にあり、同時に満足させることが難しいと
いう問題があった。[0005] When the belt is buckled and bent, the flatness of the surface of the canvas layer is lost, and the surface is rubbed by the scraper as described above, so that yarn breakage easily occurs. As for these characteristics, there is a problem that when one of them is improved, the other tends to be deteriorated, and it is difficult to satisfy them simultaneously.
【0006】[0006]
【発明が解決しようとする課題】本発明の目的は、水硬
性のスラリーなどを載せる帆布層を有するコンベヤベル
トにおいて、その帆布層表面の平坦性、ゴムの裏抜け、
耐挫屈性を同時に満足させることが可能なコンベヤベル
トを提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a conveyor belt having a canvas layer on which a hydraulic slurry or the like is placed.
An object of the present invention is to provide a conveyor belt capable of simultaneously satisfying buckling resistance.
【0007】[0007]
【課題を解決するための手段】上記目的を達成する本発
明は、ベルト本体の少なくとも表面側に帆布層を設けた
コンベヤベルトにおいて、表面側の帆布層のタテ糸とヨ
コ糸の単位面積当たりの使用重量比(タテ糸/ヨコ糸)
を1.1〜4.1の範囲に設定し、かつ下記式でそれぞ
れ求められるタテ糸とヨコ糸のカバーファクター値Kの
合計を4300〜4500にしたことを特徴とする。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a conveyor belt provided with a canvas layer on at least the surface side of a belt body. Use weight ratio (vertical yarn / weft yarn)
Is set in the range of 1.1 to 4.1, and the total of the cover factor values K of the warp yarn and the weft yarn respectively obtained by the following formulas is set to 4300 to 4500.
【0008】K=(D/糸の比重)1/2 ×糸密度 但し、D:デニール 糸密度:本/5cm このように水硬性のスラリーが載せられる帆布層の構造
を上記のように特定し、タテ糸とヨコ糸の太さの関係と
織密度との最適化を図るようにしたので、帆布層表面を
平坦に形成することができると共に、帆布層裏面にすり
込んだ接着用ゴムが表面に抜け出るのを抑制することが
可能になり、更にプーリーに対して容易に追従し、挫屈
し難くすることができる。K = (D / specific gravity of yarn) 1/2 × yarn density where D: denier yarn density: book / 5 cm The structure of the canvas layer on which the hydraulic slurry is placed is specified as described above. Optimizing the relationship between the warp yarn and weft yarn thickness and weaving density enables the surface of the canvas layer to be formed flat and the adhesive rubber rubbed on the back of the canvas layer to the surface. It is possible to suppress the slipping out, and it is possible to easily follow the pulley and make it hard to buckle.
【0009】[0009]
【発明の実施の形態】以下、本発明の構成について図に
示す実施形態を参照して具体的に説明する。図1は、本
発明のコンベヤベルトの一例を示し、1はベルト本体、
2はゴム層、3は補強層、4は帆布層である。ゴム層2
に2層の補強層3,3を埋設して帯状のベルト本体1が
構成され、このベルト本体1の表面(ベルトをエンドレ
ス状に接続した時の外側面)に帆布層4が設けられてい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be specifically described below with reference to the embodiment shown in the drawings. FIG. 1 shows an example of the conveyor belt of the present invention, 1 is a belt body,
2 is a rubber layer, 3 is a reinforcing layer, and 4 is a canvas layer. Rubber layer 2
A belt-shaped belt body 1 is formed by embedding two reinforcing layers 3 and 3 in the belt, and a canvas layer 4 is provided on the surface of the belt body 1 (the outer surface when the belt is connected endlessly). .
【0010】帆布層4は、織られたタテ糸とヨコ糸の単
位面積当たりの使用重量比(タテ糸/ヨコ糸)が1.1
〜4.1の範囲に設定されている。この重量比が1.1
より小さいと、タテ糸が蛇行(クリンプ)するタテ曲が
り構造になり易くなるため、タテ糸が摩耗し易くなる。
逆に4.1より大きいと、プーリー追従性が悪化し、挫
屈が発生し易くなる。The canvas layer 4 has a woven warp / weft yarn weight ratio per unit area (warp / weft) of 1.1.
It is set in the range of 4.1. This weight ratio is 1.1
If the diameter is smaller, the warp yarn is likely to have a warped structure in which the warp yarn meanders (crimps), so that the warp yarn is easily worn.
Conversely, if it is larger than 4.1, pulley followability deteriorates, and buckling easily occurs.
【0011】また、帆布層4は、K=(D/糸の比重)
1/2 ×糸密度の式で定義されるカバーファクター値Kに
おいて、タテ糸とヨコ糸のカバーファクター値Kの合計
が4300〜4500の範囲になっている。但し、式に
おけるDはデニール(繊度)、糸密度は5cm幅当たりの
糸の本数〔本/5cm〕である。カバーファクター値Kの合
計が4300未満では織密度が低下してゴムの裏抜けが
発生し易くなる。逆に4500を越えると織密度が密と
なり過ぎる結果、タテ糸の収縮によりヨコ糸に浮き上が
りが発生し、平坦性が悪くなる。Further, the canvas layer 4 has K = (D / specific gravity of yarn)
In the cover factor value K defined by the expression of 1/2 × the yarn density, the total of the cover factor values K of the warp yarn and the weft yarn is in the range of 4300 to 4500. Here, D in the formula is denier (fineness), and the yarn density is the number of yarns per 5 cm width [lines / 5 cm]. If the total of the cover factor values K is less than 4300, the weaving density is reduced, and rubber strike-through tends to occur. Conversely, if it exceeds 4500, the weaving density becomes too dense, and as a result, the warp yarn is lifted due to the contraction of the warp yarn, and the flatness deteriorates.
【0012】このように本発明では、水硬性のスラリー
などが載置される帆布層4の構造を上記のように特定す
ることにより、タテ糸とヨコ糸の太さの関係並びに織密
度を最適にし、帆布層4の表面4aの均一な平坦性を得
ることができ、かつ接着用にすり込んだゴムが表面4a
まで抜ける、所謂、ゴムの裏抜けを抑えることができる
と共に、プーリーに対する追従性があって挫屈し難くす
ることができる。従って、ベルト耐久性を向上すること
ができる。As described above, according to the present invention, by specifying the structure of the canvas layer 4 on which the hydraulic slurry or the like is placed as described above, the relationship between the thickness of the warp yarn and the weft yarn and the weaving density can be optimized. In this case, uniform flatness of the surface 4a of the canvas layer 4 can be obtained, and the rubber rubbed for adhesion is used for the surface 4a.
In addition, it is possible to suppress so-called rubber strike-through, and it is possible to follow the pulley and to prevent buckling. Therefore, belt durability can be improved.
【0013】本発明において、帆布層4の織組織として
は、従来と同様にすることができ、例えば、平織やバス
ケット織にすることができる。それらの織方としては、
シャトル織、レピア織のいずれであってよいが、好まし
くはレピア織がよい。合計のカバーファクター値は上述
のようにしたタテ糸とヨコ糸における各カバーファクタ
ー値Kとしては、タテ糸が2150〜3600、ヨコ糸
が860〜2250の範囲にするのがよい。In the present invention, the weaving structure of the canvas layer 4 can be the same as the conventional one, for example, a plain weave or basket weave. As those weaves,
Either shuttle weave or rapier weave may be used, but rapier weave is preferred. The total cover factor value is preferably in the range of 2150 to 3600 for the warp yarn and 860 to 2250 for the weft yarn as the cover factor value K for the warp yarn and the weft yarn as described above.
【0014】タテ糸、ヨコ糸に使用される糸としては、
従来から上記のようなコンベアベルトに使用されている
ものであれば、いずれの糸であってもよい。好ましく
は、綿糸や混綿糸を用いるのがよい。混綿糸としては、
綿とポリエチレンテレフタレート(PET)を混ぜたも
のなどを好ましく挙げることができる。上記実施形態で
は、表面側に帆布層4を配設する構造にしたが、本発明
は、裏面側にも上述した構成の帆布層を配置する構造で
あってもよい。As the yarn used for the warp yarn and the weft yarn,
Any yarn may be used as long as it is conventionally used for the above-described conveyor belt. Preferably, cotton yarn or mixed yarn is used. As the cotton yarn,
Preferable examples include a mixture of cotton and polyethylene terephthalate (PET). In the above-described embodiment, the structure in which the canvas layer 4 is provided on the front surface side is adopted. However, the present invention may have a structure in which the canvas layer having the above-described configuration is also provided on the back surface side.
【0015】[0015]
【実施例】図1に示す構成のコンベヤベルトにおいて、
表1のように帆布層のタテ糸とヨコ糸の単位面積当たり
の使用重量比(タテ糸/ヨコ糸)とカバーファクター値
Kの合計を変えた本発明ベルト1〜6と比較ベルト1〜
4とをそれぞれ作製した。各試験ベルトの肉厚は15mm
で共通である。なお、表1に帆布層のタテ糸とヨコ糸の
材質、撚構造、織密度、使用重量も示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS In a conveyor belt having the structure shown in FIG.
As shown in Table 1, the present invention belts 1 to 6 and the comparative belts 1 to 6 differing in the total of the used weight ratio per unit area of the warp yarn and the weft yarn (vertical yarn / weft yarn) and the cover factor K as shown in Table 1
And No. 4 were produced respectively. The thickness of each test belt is 15mm
Is common. Table 1 also shows the material, twist structure, weaving density, and used weight of the warp yarn and the weft yarn of the canvas layer.
【0016】これら各試験ベルトを以下に示す測定条件
により、耐挫屈性、平坦性の評価試験を行うと共に、各
試験ベルトにおける帆布層のゴム裏抜けの評価試験を以
下に示す条件により行ったところ、表1に示す結果を得
た。Each of the test belts was subjected to an evaluation test of buckling resistance and flatness under the following measurement conditions, and an evaluation test of rubber strike-through of the canvas layer of each test belt was performed under the following conditions. However, the results shown in Table 1 were obtained.
【0017】耐挫屈性 各試験ベルトを直径100mm〜500mmの範囲で50mm
毎に直径を変化させた各プーリーに巻き付けた時の追従
性により、耐挫屈性を評価した。直径200mmのプーリ
ーに完全に追従したものを○、追従せずに挫屈したもの
を×と評価した。Buckling resistance Each test belt is 50 mm in a diameter range of 100 mm to 500 mm.
The buckling resistance was evaluated based on the followability when wound around each pulley whose diameter was changed every time. Those that completely followed the pulley having a diameter of 200 mm were rated as ○, and those that buckled without following were rated as x.
【0018】平坦性 各試験ベルトにおいて、ヨコ糸の浮き現象とタテ糸の曲
がり現象を目視により観察した。ヨコ糸に浮きが発生し
たもの、タテ糸の蛇行の振り幅がヨコ糸よりも極端に大
きくなったもの(クリンプ)をそれぞれ×、それ以外の
平坦性が良好なものを○と評価した。Flatness In each test belt, the weft floating phenomenon and the warp bending phenomenon were visually observed. Those in which the weft was raised and those in which the meandering width of the warp was significantly larger than the weft (crimp) were evaluated as x, and those in which the flatness was good were evaluated as ○.
【0019】ゴムの裏抜け 各試験ベルトに使用される帆布層の裏面に未加硫ゴムシ
ートを配置し、0.25MPaの圧力で20分プレス加硫
を行った後、帆布層の表面からゴムが滲み出ないものを
○、滲み出たものを×と評価した。Rubber strike-through An unvulcanized rubber sheet is placed on the back surface of the canvas layer used for each test belt, and press vulcanization is performed at a pressure of 0.25 MPa for 20 minutes. Were not exuded, and those exuded were evaluated as x.
【0020】[0020]
【表1】 [Table 1]
【0021】表1から明らかなように、帆布層のタテ糸
とヨコ糸の単位面積当たりの使用重量比とカバーファク
ター値Kの合計を特定した本発明ベルトは、耐挫屈性、
平坦性、帆布層の耐ゴム裏抜け性がいずれも良好である
ことが判る。As is clear from Table 1, the belt of the present invention, in which the total weight ratio of the warp yarn and the weft yarn per unit area of the canvas layer and the cover factor value K are specified, has a buckling resistance,
It can be seen that both the flatness and the rubber strike-through resistance of the canvas layer are good.
【0022】[0022]
【発明の効果】上述したように本発明は、ベルト本体の
表面側に設けた帆布層のタテ糸とヨコ糸の単位面積当た
りの使用重量比と、タテ糸とヨコ糸のカバーファクター
値の合計値を上記のように特定したので、帆布層表面の
平坦性、ゴムの裏抜け、耐挫屈性を同時に満足すること
ができる。As described above, the present invention relates to the sum of the weight ratio per unit area of the warp yarn and the weft yarn of the canvas layer provided on the surface side of the belt body and the cover factor value of the warp yarn and the weft yarn. Since the values are specified as described above, it is possible to simultaneously satisfy the flatness of the canvas layer surface, the strike-through of rubber, and the buckling resistance.
【図1】本発明のコンベヤベルトの一例をベルト幅方向
縦断面で示す要部断面図である。FIG. 1 is a sectional view of an essential part showing an example of a conveyor belt of the present invention in a longitudinal section in a belt width direction.
1 ベルト本体 2 ゴム層 3 補強層 4 帆布層 4a 表面 DESCRIPTION OF SYMBOLS 1 Belt main body 2 Rubber layer 3 Reinforcement layer 4 Canvas layer 4a Surface
Claims (3)
を設けたコンベヤベルトにおいて、表面側の帆布層のタ
テ糸とヨコ糸の単位面積当たりの使用重量比(タテ糸/
ヨコ糸)を1.1〜4.1の範囲に設定し、かつ下記式
でそれぞれ求められるタテ糸とヨコ糸のカバーファクタ
ー値Kの合計を4300〜4500にしたコンベヤベル
ト。 K=(D/糸の比重)1/2 ×糸密度 但し、D:デニール 糸密度:本/5cmIn a conveyor belt having a canvas layer provided on at least the surface side of a belt main body, the weight ratio per unit area of the warp yarn and the weft yarn of the canvas layer on the surface side (vertical yarn /
Conveyor belt in which the weft yarn) is set in the range of 1.1 to 4.1, and the total of the cover factor values K of the warp yarn and the weft yarn obtained by the following formulas is 4300 to 4500. K = (D / specific gravity of yarn) 1/2 × yarn density where D: denier yarn density: book / 5cm
層と同じ構成にした請求項1に記載のコンベヤベルト。2. The conveyor belt according to claim 1, wherein the back side fabric layer has the same configuration as the front side fabric layer.
は混綿糸からなる請求項1または2に記載のコンベヤベ
ルト。3. The conveyor belt according to claim 1, wherein the warp yarn and the weft yarn are each made of a cotton yarn or a mixed cotton yarn.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05491998A JP3945892B2 (en) | 1998-03-06 | 1998-03-06 | Conveyor belt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05491998A JP3945892B2 (en) | 1998-03-06 | 1998-03-06 | Conveyor belt |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11246018A true JPH11246018A (en) | 1999-09-14 |
JP3945892B2 JP3945892B2 (en) | 2007-07-18 |
Family
ID=12984033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP05491998A Expired - Fee Related JP3945892B2 (en) | 1998-03-06 | 1998-03-06 | Conveyor belt |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3945892B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008093790A (en) * | 2006-10-12 | 2008-04-24 | Yokohama Rubber Co Ltd:The | Conveyor belt for shot blasting device |
JP2008094559A (en) * | 2006-10-12 | 2008-04-24 | Yokohama Rubber Co Ltd:The | Conveyor belt |
JP2014162030A (en) * | 2013-02-22 | 2014-09-08 | Yokohama Rubber Co Ltd:The | Laminate production method |
WO2018230072A1 (en) * | 2017-06-12 | 2018-12-20 | 横浜ゴム株式会社 | Fiber-reinforced layer for conveyer belts and conveyer belt |
CN112109349A (en) * | 2020-09-09 | 2020-12-22 | 上海永利输送***有限公司 | TPU type conveying belt and preparation method and application thereof |
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JPH0958833A (en) * | 1995-08-25 | 1997-03-04 | Shin Etsu Polymer Co Ltd | Manufacture of conveyor belt and floor material |
JPH1029711A (en) * | 1996-07-10 | 1998-02-03 | Bando Chem Ind Ltd | Carrier belt and lap join method for the same |
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1998
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JPS6156310U (en) * | 1984-09-14 | 1986-04-15 | ||
JPH07309414A (en) * | 1994-05-16 | 1995-11-28 | Bando Chem Ind Ltd | Conveying belt |
JPH0958833A (en) * | 1995-08-25 | 1997-03-04 | Shin Etsu Polymer Co Ltd | Manufacture of conveyor belt and floor material |
JPH1029711A (en) * | 1996-07-10 | 1998-02-03 | Bando Chem Ind Ltd | Carrier belt and lap join method for the same |
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