JP4402417B2 - Rubber member pasting apparatus and method for forming tire constituent member using the same - Google Patents

Rubber member pasting apparatus and method for forming tire constituent member using the same Download PDF

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JP4402417B2
JP4402417B2 JP2003346887A JP2003346887A JP4402417B2 JP 4402417 B2 JP4402417 B2 JP 4402417B2 JP 2003346887 A JP2003346887 A JP 2003346887A JP 2003346887 A JP2003346887 A JP 2003346887A JP 4402417 B2 JP4402417 B2 JP 4402417B2
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rubber member
peeling
tip
sticking
affixing
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JP2005111749A (en
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正樹 森
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Bridgestone Corp
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Description

この発明は、中心軸線を有する軟硬各種の支持部材の、周面、側面等をも含む表面上に、直接的もしくは間接的に、比較的狭幅のリボン状の、または、生タイヤの幅、生タイヤの断面高さもしくは生タイヤのペリフェリ長さ等に相当する幅を有するシート状のゴム部材を、所定の長さにわたって貼付けるとともに切断して、所要のタイヤ構成部材を形成するに用いるゴム部材貼付け装置および、それを用いたタイヤ構成部材の形成方法に関するものである。   The present invention relates to a width of a relatively narrow ribbon-like or raw tire directly or indirectly on a surface including peripheral surfaces and side surfaces of various soft and hard supporting members having a central axis. A sheet-like rubber member having a width corresponding to the cross-sectional height of the raw tire or the peripheral length of the raw tire is pasted over a predetermined length and cut to form a required tire constituent member. The present invention relates to a rubber member pasting apparatus and a method for forming a tire constituent member using the same.

予め押出し成形等されたリボン状もしくはシート状のゴム部材を一時的にストックした後、それを生タイヤの構成部材の形成に供する場合には、たとえば、温度管理、搬送時間管理その他の不備に起因するゴム部材の寸法精度の低下が生じる他、ゴム部材の表面の硬化、その表面への塵埃等の付着が生じるおそれがあることから、たとえば特開２００３−５３８５４号公報には、とくにはリボン状のゴム部材につき、温度管理や搬送時間管理等を容易に行い、また、小型で省スペースの押出機で、ゴム押出しをはじめとするタイヤ成型を行うことを目的として、タイヤの部品としてのグリーンゴムよりなるリボンと剥離テープとを共巻き状態で巻回するようにしたリボンリールと、リボンから剥離された剥離テープを巻き取るようにしたテープリールとをケース内に収容配置し、そのケースにはリボン及び剥離テープを重合状態で外部に引き出すとともに、外部の剥離テープをテープリールに引き込むための開口を設けたことを特徴とするリボンカセットが開示されており、これによれば、グリーンゴムよりなる幅の狭いリボンを共巻き状態でケース内に収容することができるので、リボンをカセットごとに保管したり、搬送したりすることができ、これにより、取扱いが容易であるばかりでなく、塵埃等の付着を防止でき、しかも、リボンを収容したカセットを保温室等にいれれば、温度管理が容易であるという効果を奏することができるとしている。
特開２００３−５３８５４号公報 When temporarily stocking a ribbon-like or sheet-like rubber member that has been extruded and then used to form a raw tire component, for example, due to temperature management, conveyance time management, or other inadequacies For example, Japanese Patent Application Laid-Open No. 2003-53854 discloses a ribbon-like shape because there is a risk that the dimensional accuracy of the rubber member may be reduced, and the surface of the rubber member may be cured and dust may adhere to the surface. Green rubber used as a tire component for the purpose of tire molding including rubber extrusion with a small and space-saving extruder that facilitates temperature management and transport time management, etc. A ribbon reel that is wound together with a ribbon and a release tape, and a tape that is wound up from the release tape peeled off from the ribbon. A ribbon cassette characterized in that a reel is accommodated in a case, the ribbon and the release tape are pulled out to the outside in a superposed state, and an opening is provided for drawing the external release tape into the tape reel. According to this, since a narrow ribbon made of green rubber can be accommodated in the case in a co-rolled state, the ribbon can be stored and transported for each cassette, As a result, not only the handling is easy, but also the adhesion of dust and the like can be prevented, and if the cassette containing the ribbon is put in a greenhouse or the like, the temperature management can be easily performed. .
JP 2003-53854 A

ところで、その従来技術に従って、支持手段としての回転ドラム上または、その回転ドラム上に既に形成したタイヤ構成部材上に、ゴム部材としてのリボンを巻回して他のタイヤ構成部材を形成するためには、リボンカセットのリボンリールからリボン及び剥離テープをテンションを付与しながら引き出すための引出手段と、引き出されたリボン及び剥離テープからリボンのみを剥離して回転ドラム上のタイヤ構体に巻きつけ転写する転写手段と、残った剥離テープをテープリールにテンションを付与しながら巻き取るテープ巻取り手段とを設けたリボン巻付け装置が必要となり、この装置によれば、引出ローラ、転写ローラ、剥離ローラ等の各種のローラの他、支持バー、移動フレーム等のための各種の駆動手段が必須となるため、リボン巻付装置の構造の複雑化および装置の大型化が余儀なくされるという問題があった。   By the way, in order to form another tire constituent member by winding a ribbon as a rubber member on a rotating drum as a supporting means or on a tire constituent member already formed on the rotating drum according to the prior art. , A pulling means for pulling out the ribbon and the release tape from the ribbon reel of the ribbon cassette while applying tension, and a transfer in which only the ribbon is peeled from the drawn ribbon and the release tape and wound around the tire structure on the rotating drum. And a ribbon winding device provided with a tape winding device for winding the remaining peeling tape while applying tension to the tape reel. According to this device, a drawing roller, a transfer roller, a peeling roller, etc. In addition to various rollers, various driving means for supporting bars, moving frames, etc. are essential, so ribbons There is a problem that increase in size of the complex and apparatus of the structure of the biasing device is forced.

しかもこの従来技術には、ゴム部材としてのリボンを、回転ドラム上等に所定の角度範囲にわたって巻付けてタイヤ構成部材を形成した後の、そのリボンの切断手段についての開示がなく、これがため、とくには、ゴム部材の切断を高い位置精度にて行う必要がある場合には、上述したような従来技術を適用することが実質上不可能であった。   Moreover, in this prior art, there is no disclosure about the cutting means of the ribbon after the ribbon as the rubber member is wound on the rotating drum or the like over a predetermined angle range to form the tire constituent member. In particular, when it is necessary to cut the rubber member with high positional accuracy, it has been practically impossible to apply the conventional technique as described above.

そこで、装置の構造を簡単にするとともに、装置の小型化を図り、併せて、所要のタイヤ構成部材を形成した後のゴム部材の切断を可能ならしめるべく、たとえば図４に例示するように、製品タイヤの内面形状と対応する外面形状を有する剛性コア等からなる支持手段111の周面に対し、側面形状が楔状等をなす貼付け手段112を、その先端が揺動変位その他によって接近および離隔変位可能に配設するとともに、この貼付け手段112の近傍に、ナイフエッジカッタ113を配設してなる装置が提案されている。   Therefore, in order to simplify the structure of the device, to reduce the size of the device, and to make it possible to cut the rubber member after forming the required tire constituent member, for example, as illustrated in FIG. The sticking means 112 whose side face shape is a wedge shape etc. is attached to the peripheral surface of the support means 111 consisting of a rigid core etc. having an outer face shape corresponding to the inner face shape of the product tire, and its tip is moved closer and away by swinging displacement and others There has been proposed an apparatus in which a knife edge cutter 113 is disposed in the vicinity of the attaching means 112 in such a manner that it can be disposed.

この装置では、予め押出し成形等された、たとえば、厚みが0.5mm程度のインナライナ用シート材料からなるゴム部材Rに、これもたとえばポリオレフィン系の樹脂材料からなる剥離シートSを、ゴム部材Ｒの粘着下で積層させた状態で巻回してなる、図示しない巻取りロールから、その粘着積層シートLを、図では貼付け手段112の下面に沿わせて繰出し走行させて、粘着積層シートLのゴム部材Rを、図４(a)に示すように、先端を支持手段111に接近させた貼付け手段112のその先端をもって、支持手段上に直接的または間接的に貼付ける一方で、剥離シートSを、貼付け手段112の先端で巻き返してゴム部材Rから引き剥がすとともに、図示しない芯材等に巻取り、ゴム部材Rのこのような貼り付けを支持手段111の周りに、所定の角度範囲にわたって行って所要のタイヤ構成部材を形成した後、貼付け手段112の先端を図４(b)に示すように支持手段111から離隔させ、続いて、ナイフエッジカッタ113を進出変位させて、ゴム部材Rを所定の位置にて切断することで、一連の作業を終了することができる。 In this apparatus, a rubber sheet R made of a sheet material for an inner liner having a thickness of about 0.5 mm, for example, which has been extruded, and a release sheet S made of a polyolefin resin material, for example, are adhered to the rubber member R. From the winding roll (not shown), which is wound in a state of being laminated below, the adhesive laminated sheet L is fed along the lower surface of the attaching means 112 in the drawing, and the rubber member R of the adhesive laminated sheet L is run. the, as shown in FIG. 4 (a), with the tip of the joining means 112 is brought close to the tip on the support means 111, either directly or indirectly affixed kicking while on the support means, the release sheet S, It is rolled back at the tip of the sticking means 112 and peeled off from the rubber member R, wound around a core material (not shown), and such sticking of the rubber member R is performed around the support means 111 over a predetermined angle range. After forming the essential tire constituent member, the tip of the affixing means 112 is separated from the support means 111 as shown in FIG. 4 (b), and then the knife edge cutter 113 is advanced and displaced so that the rubber member R is predetermined. A series of operations can be completed by cutting at the position.

この提案技術によれば、簡単な構造の小型の装置をもってタイヤ構成部材を形成することが可能となるも、ナイフエッジカッタ113によるゴム部材Rの切断に際するゴム部材張力の増加その他によって、そのゴム部材Rの、剥離シートSからの剥離位置が、図５に例示するように、粘着積層シートLの繰出し側に移動することがあり、これがため、ゴム部材Rを所期した通りの位置で正確に切断することが不可能になる他、甚だしくは切断が不能となるという問題があった。   According to this proposed technique, it is possible to form a tire constituent member with a small device having a simple structure. However, due to an increase in the tension of the rubber member when the rubber member R is cut by the knife edge cutter 113, the tire constituent member can be formed. As illustrated in FIG. 5, the peeling position of the rubber member R from the peeling sheet S may move to the feeding side of the pressure-sensitive adhesive laminated sheet L. Therefore, at the position as the rubber member R is intended. In addition to being unable to cut accurately, there was a problem that cutting was severely impossible.

そして前者によれば、その装置を持って、インナライナ層、アンテナ層、間ゴム層、カバーテープ層等を形成した場合に、タイヤのユニフォミティの低下のおそれが高くなり、また、生タイヤの成型に際する空気の封じ込めのおそれが高くなるという問題もあった。   According to the former, when the inner liner layer, the antenna layer, the inter-rubber layer, the cover tape layer, etc. are formed with the device, there is a high risk of the tire uniformity being reduced, and the raw tire is molded. There was also a problem that the risk of enclosing air was increased.

この発明は、提案技術が抱えるこのような問題点を解決することを課題とするものであり、それの目的とするところは、ゴム部材を、所期した通りの位置で常に確実に切断することができる、簡単な構造にして十分小型のゴム部材貼付け装置および、それを用いたタイヤ構成部材の形成方法を提供するにある。   The object of the present invention is to solve such problems of the proposed technology, and the object of the invention is to always cut the rubber member reliably at the intended position. The present invention provides a rubber member sticking apparatus having a simple structure and a sufficiently small size, and a method for forming a tire constituent member using the same.

この発明に係るゴム部材貼付け装置は、剥離シートの貼着積層状態で繰出し走行される長尺のゴム部材を、その剥離シートを引き剥がしながら、たとえば、硬質のドラムもしくはコアよりなる支持手段の周りに直接的もしくは間接的に、所定の長さにわたって貼付けてタイヤ構成部材を形成するに当って、ゴム部材の貼付けを行うとともに、剥離シートの引き剥がしを案内し、また、ゴム部材の切断を行うものであり、少なくとも先端を、前記支持手段の表面に対して接近および離隔変位可能とした、たとえば、先端部分の側面形状が楔状、テーパ状等をなす貼付け手段を設け、この貼付け手段の前記支持手段側に配設されて、貼付け手段の先端の、支持手段への接近下ではその先端から遠去かって位置し、一方、貼付け手段の先端の支持手段からの離隔下ではその先端に近接して位置して、ゴム部材の、剥離シートからの剥離を抑制する剥離拘束手段を設けるとともに、貼付け手段の先端の、支持手段からの離隔姿勢の下で、それらの両者間へ進入する、ナイフエッジカッタとすることができる切断手段を設け、前記貼付け手段を、支点の周りに揺動可能とし、前記剥離拘束手段を、揺動変位される貼付け手段に、貼付け手段の揺動変位に基いて剥離拘束手段を自動的に進退変位させるリンク機構を介して連結してなるものである。 The rubber member sticking device according to the present invention is, for example, around a supporting means made of a hard drum or a core while peeling off the long rubber member that is fed and run in a state where the release sheets are attached and laminated. When directly or indirectly pasting a predetermined length to form a tire constituent member, the rubber member is stuck, the peeling of the release sheet is guided, and the rubber member is cut. A sticking means that at least the tip can be moved toward and away from the surface of the support means, for example, a side face shape of the tip portion is wedge-shaped, tapered, etc. is provided, and the support of the sticking means is provided The tip of the sticking means is disposed away from the tip of the sticking means when approaching the support means, while the tip of the sticking means is a support hand. Under the separation from the rubber sheet, provided with a peeling restraint means for suppressing the peeling of the rubber member from the release sheet, and at the tip of the sticking means, under a separation posture from the support means, A cutting means that can be a knife edge cutter that enters between both of them is provided, the sticking means is swingable around a fulcrum, and the peeling restraint means is a sticking means that is rocked and displaced. It is connected via a link mechanism that automatically moves the separation restraining means forward and backward based on the swinging displacement of the attaching means .

この装置による、支持手段上へのゴム部材の直接的もしくは間欠的な貼付けによるタイヤ構成部材の形成は、提案技術で述べたと同様に、繰出し走行される、ゴム部材と剥離シートとの粘着積層シートを貼付け手段に沿わせて走行させるとともに、その貼付け手段の先端を支持手段に接近させて、中心軸線の周りに回転駆動されるその支持手段への、ゴム部材の押圧貼付けを行わせる一方で、剥離シートを、貼付け手段の先端に巻返してゴム部材から引き剥がして、好ましくは芯材等に巻取り、ゴム部材のこのような貼付けを、支持手段の周りに、一周もしくはそれ以上の所要の角度範囲にわたって行い、その後、貼付け手段の先端を支持手段から離隔変位させるとともに、剥離拘束手段を貼付け手段の先端側へ自動的に進出変位させて、ゴム部材の、剥離テープからの不要の剥離を、その剥離拘束手段で抑制し、続いて、ナイフエッジカッタとすることができる切断手段を、貼付け手段と支持手段との間へ進出変位させてゴム部材を切断することによって、ゴム部材を、所期した通の位置で確実に切断することにより行うことができる。 With this apparatus, the formation of the tire constituent member by directly or intermittently attaching the rubber member on the supporting means is the same as described in the proposed technology. While running along the sticking means, the tip of the sticking means is brought close to the support means, and the rubber member is pressed and stuck to the support means that is driven to rotate around the central axis, The release sheet is wound around the tip of the attaching means and peeled off from the rubber member, preferably wound around a core material or the like, and such attachment of the rubber member is made around the supporting means once or more as required. performed over an angular range, and then causes spaced displaced from the support means the leading end of the joining means, automatically is advanced displaced peeling restraining means to the distal end side of the joining means, Gore Unnecessary peeling of the member from the peeling tape is suppressed by the peeling restraining means, and then the cutting means that can be used as a knife edge cutter is advanced and displaced between the sticking means and the supporting means to rubber member By cutting the rubber member, the rubber member can be reliably cut at the intended position.

従ってこの装置によれば、構造を簡単にして、その全体を十分小型化できることはもちろん、所要のタイヤ構成部材を常に高い精度で形成することができ、製品タイヤのユニフォミティの低下、生タイヤの成型に際する空気の封じ込め等のおそれを効果的に取り除くことができる。   Therefore, according to this apparatus, not only the structure can be simplified and the whole can be made sufficiently small, but also the required tire components can always be formed with high accuracy, the uniformity of the product tire can be reduced, and the raw tire can be molded. It is possible to effectively eliminate the fear of air entrapment.

ここで、貼付け手段の少なくとも先端の、支持手段表面に対する接近および離隔変位は、その貼付け手段を、たとえば水平面内で、支持手段の中心軸線の延在方向、その延在方向と交差する方向等へ平行移動させることによっても行い得ることはもちろんであるが、ゴム部材に、曲がり、伸び等の変形を極力与えることなく、そのゴム部材を、支持手段にできるだけ近接させた位置で、より高い精度で切断するためには、貼付け手段の先端を、支持手段の中心軸線に対して半径方向に接近および離隔変位可能とすることが好ましい。   Here, the approach and separation displacement of at least the tip of the affixing means with respect to the surface of the support means may cause the affixing means to extend in the horizontal plane, for example, in the direction in which the central axis of the support means extends, or in the direction intersecting the extension direction. Needless to say, it can be performed by translating, but without giving the rubber member deformation such as bending or stretching as much as possible, the rubber member is positioned as close as possible to the support means with higher accuracy. In order to cut, it is preferable that the tip of the sticking means can be moved closer to and away from the central axis of the support means in the radial direction.

そして、貼付け手段のこのような半径方向変位のためには、その貼付け手段を、支点の周りで、たとえば、支持手段の中心軸線と直交する垂直面内で揺動可能とすることが好ましい。   For such radial displacement of the attaching means, it is preferable that the attaching means can swing around the fulcrum, for example, in a vertical plane perpendicular to the central axis of the supporting means.

ところで、剥離拘束手段の、支持手段に沿う所要の変位は、剥離拘束手段を、揺動変位される貼付け手段に、リンク機構を介して連結することによって行わせることができ、これによれば、貼付け手段の揺動変位に基づいて、剥離拘束手段を自動的に進退変位させることができる。 By the way, the required displacement of the peeling restraining means along the support means can be performed by connecting the peeling restraining means to the affixing means that is oscillated and displaced via a link mechanism . based on the swings of the joining means can Rukoto is automatically reciprocating displacement of the peeling restraining means.

また、この発明に係るタイヤ構成部材の形成方法は、先に述べたゴム部材貼付け装置を用いて、剥離シートを貼着させた、リボン状もしくはシート状の長尺のゴム部材を繰出し走行させて、貼付け手段の先端で剥離シートを巻返してそれをゴム部材から引き剥がすとともに、そのゴム部材を、支持手段の周りに一周以上の所要の角度範囲にわたって、直接的もしくは間接的に貼付けた後、貼付け手段の先端を支持手段から離隔変位させるとともに、剥離拘束手段を貼付け手段の先端側へ自動的に進出変位させて、ゴム部材の、剥離テープからの不要の剥離をその剥離拘束手段で抑制しつつ、貼付け手段の先端と支持手段との間でゴム部材を切断するにある。
この方法によれば、先にも述べたように、ゴム部材を所期した通の位置で常に正確に切断することができる。 Moreover, the method for forming a tire constituent member according to the present invention uses a rubber member sticking apparatus described above to feed and run a ribbon-like or sheet-like long rubber member to which a release sheet is stuck. Then, after unwinding the release sheet at the tip of the pasting means and peeling it off from the rubber member, the rubber member is pasted directly or indirectly over the required angular range around the support means, The tip of the sticking means is displaced away from the support means, and the peeling restraining means is automatically moved forward to the tip side of the sticking means to suppress unnecessary peeling of the rubber member from the peeling tape by the peeling restraining means. Meanwhile, the rubber member is cut between the tip of the attaching means and the supporting means.
According to this method, as described above, the rubber member can always be accurately cut at the intended position.

かくしてこの発明によれば、装置の構造を簡単にするとともに、装置の全体を十分に小型化することができ、タイヤ構成部材を形成するゴム部材を、所期した通の位置で正確に切断することができる。   Thus, according to the present invention, the structure of the apparatus can be simplified, the entire apparatus can be made sufficiently small, and the rubber member forming the tire constituent member can be accurately cut at the intended position. be able to.

以下にこの発明の実施の形態を図面に示すところに基づいて説明する。
図１は、この発明に係る装置の、所要の実施形態を示す斜視図および側面図であり、図中１は貼付け手段を示す。 Embodiments of the present invention will be described below based on the drawings.
FIG. 1 is a perspective view and a side view showing a required embodiment of the apparatus according to the present invention, in which 1 indicates an attaching means.

ここでは貼付け手段１の後端部を、水平軸２をもってブラケット３にヒンジ連結して、この貼付け手段１を、その先端が、それのヒンジ位置より幾分下方に位置する、図１（ａ）に例示する下限位置と、図１（ｂ）に仮想線で例示する上限位置との間で揺動変位可能とする。ここで、この揺動変位は、たとえば、水平軸２にモータその他の駆動手段を直接的もしくは間接的に連結することによって行わせることができる。   Here, the rear end portion of the attaching means 1 is hingedly connected to the bracket 3 with the horizontal shaft 2, and the attaching means 1 is positioned at a position slightly below the hinge position thereof, as shown in FIG. Oscillating and displaceable between the lower limit position illustrated in FIG. 1 and the upper limit position illustrated in phantom in FIG. Here, the oscillating displacement can be performed, for example, by directly or indirectly connecting a motor or other driving means to the horizontal shaft 2.

またここでは、貼付け手段１の側面視で、その先端部分を、図１（ｂ）に実線で示すように、斜め上方に向く傾斜面を有する楔状とするとともに、好ましくは、その先端に、弾性部材もしくは剛性材料からなる複数個の小径ローラ４を、図１（ａ）に示すように、同一軸線上に整列させて回転自在に配設する。   In addition, here, as shown by a solid line in FIG. 1B, the tip portion of the sticking means 1 has a wedge shape having an inclined surface facing obliquely upward as shown by a solid line. As shown in FIG. 1A, a plurality of small-diameter rollers 4 made of a member or a rigid material are arranged on the same axis so as to be rotatable.

そして、このような貼付け手段１の両側部には、それの前後方向に延在させて設けた長孔５内で摺動変位するスライドブロック６を配設するとともに、これらのスライドブロック６を、ともに等しい長さのそれぞれのリンク７を介してブラケット３にヒンジ連結し、また、それらの両スライドブロック６に、貼付け手段１の下面側を横切って、その下面から少許の間隔をおいて位置する全体形状がほぼチャンネル状の剥離拘束手段８を連結する。   And on both sides of such a pasting means 1, while disposing slide blocks 6 that slide and displace within a long hole 5 extending in the front-rear direction thereof, these slide blocks 6 are Both of them are hingedly connected to the bracket 3 via respective links 7 having the same length, and are located on both slide blocks 6 across the lower surface side of the attaching means 1 with a small clearance from the lower surface. The peeling restraining means 8 having a channel shape as a whole is connected.

これによれば、貼付け手段１の、図１に示すような下限姿勢にあっては、スライダブロック６および剥離拘束手段８は、リンク７の作用下で、特別の駆動手段を用いることなしに、長孔５、ひいては、貼付け手段１の後方部分に後退変位され、一方、図１（ｂ）に仮想線で示すような上限姿勢の下では、貼付け手段１の前方側へ進出変位されることになる。 According to this, when the sticking means 1 is in the lower limit posture as shown in FIG. 1, the slider block 6 and the peeling restraint means 8 can be operated under the action of the link 7 without using a special driving means. On the other hand, the long hole 5 and then the rear part of the sticking means 1 are displaced backward, and on the other hand, under the upper limit posture as shown by the phantom line in FIG. Become.

さらにここでは、以上の装置構成部分を、支持手段との関連の下で、略線側面図で示す図２から明らかなように、貼付け手段１を、それが、軟質もしくは硬質の支持手段９から離隔する上限姿勢とした状態で、その貼付け手段１と支持手段９との間へ進入変位させることができる切断手段１０、たとえばナイフエッジカッタを設ける。
ここでこの切断手段１０は、上述したような進入変位と併せて、支持手段９の中心軸線方向へ直線変位させることもできる。 Furthermore, here it is clear from FIG. 2 that is shown in schematic side view, in the context of the support means, that the device component is affixed to the affixing means 1 from a soft or rigid support means 9. A cutting means 10, for example, a knife edge cutter, is provided that can be moved between the attaching means 1 and the support means 9 in the state of being in the separated upper limit posture.
Here, the cutting means 10 can be linearly displaced in the central axis direction of the support means 9 together with the approach displacement as described above.

このように構成してなる装置をもって、たとえば、円筒状、樽状等をなす支持手段または、製品タイヤの内面形状と対応する外面形状を有する支持手段の、外周面、側面等の表面上に直接的もしくは間接的にタイヤ構成部材を形成するに当っては、たとえば、押出し成形その他によって成形された約５〜２０ｍｍの幅を有するリボン状のゴム部材または、生タイヤのペリフェリ長さ、クラウン域幅もしくはサイド部幅に対応する幅を有する、たとえば、１ｍｍ以下の厚さのシート状のゴム部材に、単層のもしくは積層のプラスチックシートからなる剥離シートを粘着させてなる粘着積層シート１１を、図２（ａ）に示すように、貼付け手段１の下面と、剥離拘束手段８との間を経て繰出し走行させるとともに、その積層シート１１のゴム部材１２を、下限姿勢としたその貼付け手段１の先端、好ましくは先端ローラ４により、所定の速度で回転駆動される支持手段９の表面に押圧して貼付け、これと併せて、積層シート１１の剥離シート１３を、貼付け手段１の先端に巻返してゴム部材１２から引き剥し、好ましくはそれを芯材等に巻取る。   With the apparatus configured in this way, for example, directly on the surface of the outer peripheral surface, the side surface or the like of the support means having a cylindrical shape, a barrel shape or the like, or the support means having an outer surface shape corresponding to the inner shape of the product tire When forming a tire component member either indirectly or indirectly, for example, a ribbon-shaped rubber member having a width of about 5 to 20 mm formed by extrusion molding or the like, or the peripheral length of the raw tire, the width of the crown region Alternatively, the pressure-sensitive adhesive laminated sheet 11 having a width corresponding to the width of the side portion, for example, a sheet-like rubber member having a thickness of 1 mm or less and a release sheet made of a single-layer or laminated plastic sheet is adhered to the sheet. As shown in FIG. 2 (a), the rubber member of the laminated sheet 11 is run while being fed between the lower surface of the sticking means 1 and the separation restraining means 8. 2 is pressed against the surface of the supporting means 9 rotated at a predetermined speed by the tip of the sticking means 1, preferably the tip roller 4 in the lower limit posture, and the laminate sheet 11 is peeled off together with this. The sheet 13 is wound around the tip of the sticking means 1 and peeled off from the rubber member 12, and preferably it is wound around a core material or the like.

なお、ゴム部材１２のこのような貼付け工程においては、剥離拘束手段８は、先に述べたようなリンク機構の作用下で、図示のように、貼付け手段１の先端から十分に離隔した後退姿勢にあるので、それの、支持手段９に貼付けられたゴム部材１２との干渉は確実に防止されることになる。   In such an attaching process of the rubber member 12, the peeling restraining means 8 is in a retracted posture sufficiently separated from the tip of the attaching means 1 as shown in the figure under the action of the link mechanism as described above. Therefore, the interference with the rubber member 12 attached to the support means 9 is surely prevented.

ここで、図中１４および１５はそれぞれ、粘着積層シート１１および剥離シート１３の走行方向の変更を案内するガイドローラを示す。   Here, reference numerals 14 and 15 in the figure denote guide rollers for guiding the change in the traveling direction of the adhesive laminated sheet 11 and the release sheet 13, respectively.

ゴム部材１２を支持手段９の周りに、それの一周もしくはそれ以上の所定の角度範囲にわたって連続的に貼付けて、インナライナ層、間ゴム層、カバーテープ層等とすることができる所定のタイヤ構成部材を形成した後は、貼付け手段１を、図２（ｂ）に示すような上限姿勢とし、これに伴って、剥離拘束手段８を、これもリンク機構の作用に基いて、貼付け手段１の先端近傍まで進出変位させることにより、その剥離拘束手段８、とくにはそれの先端部分で、ゴム部材１２の、剥離シート１３からの余剰の剥離を防止する。   A predetermined tire constituent member in which the rubber member 12 is continuously pasted around the support means 9 over a predetermined angular range of one or more rounds thereof to form an inner liner layer, an intermediate rubber layer, a cover tape layer, etc. After forming, the sticking means 1 is set to the upper limit posture as shown in FIG. 2 (b), and accordingly, the peeling restraint means 8 is also moved to the tip of the sticking means 1 based on the action of the link mechanism. Excessive peeling of the rubber member 12 from the peeling sheet 13 is prevented at the peeling restraining means 8, in particular, at the tip of the peeling restraining means 8, by being advanced to the vicinity.

そこでその後は、切断手段１０を、貼付け手段１と支持手段９との間へ進入変位させることによって、ゴム部材１２を、所定の位置にて確実に切断し、これにより、形成されたタイヤ構成部材を、所期した通りの形状および寸法を有するものとする。   Therefore, thereafter, the rubber member 12 is reliably cut at a predetermined position by causing the cutting means 10 to enter and displace between the attaching means 1 and the support means 9, thereby forming the tire constituent member formed. Shall have the shape and dimensions as expected.

従ってここでは、簡単な構造にして小型の装置によってゴム部材を所期した通りに正確に切断することにより、形成されるタイヤ構成部材に高い寸法精度を付与することができ、製品タイヤのユニフォミティの低下、タイヤの成型に際する空気の封じ込め等のおそれを十分に取り除くこともできる。   Therefore, here, it is possible to give high dimensional accuracy to the formed tire constituent member by cutting the rubber member accurately as intended with a small device with a simple structure. It is possible to sufficiently eliminate the risk of lowering and air containment during the molding of the tire.

なお以上に述べたところにおいて、貼付け手段１を、それの揺動支点の周りで、下限姿勢と上限姿勢との間で揺動させることに代えて、たとえば、図示の下限姿勢を基本姿勢として、そこから上方へ平行移動するよう構成することも可能である。   In the above description, instead of swinging the attaching means 1 between its lower limit posture and upper limit posture around its swing fulcrum, for example, the lower limit posture shown in the figure is used as a basic posture. It can also be configured to translate upward from there.

図３は、この発明に係る装置の他の実施形態を、それの使用状態で示す側面図であり、ここでは、貼付け手段１を、それに取付けたシリンダ１４とともに支点の周りに揺動可能に配設し、そしてそのシリンダ１４のロッドに、貼付け手段１の下面側に位置させた剥離拘束手段８を連結して、その剥離拘束手段８を、シリンダ１４の作用により、貼付け手段１の、図に実線で示す下限姿勢で、その貼付け手段１の先端から十分に後退変位させる一方で、図に仮想線で示す、貼付け手段１の上限姿勢で、その貼付け手段１の先端に近接する位置まで進出変位可能としたものであり、また、切断手段１０を、先の場合と同様に配接したものである。   FIG. 3 is a side view showing another embodiment of the apparatus according to the present invention in its use state. Here, the attaching means 1 is arranged so as to be swingable around a fulcrum together with a cylinder 14 attached thereto. The peeling restraining means 8 located on the lower surface side of the sticking means 1 is connected to the rod of the cylinder 14, and the peeling restraining means 8 is connected to the sticking means 1 by the action of the cylinder 14. While the lower limit posture shown by the solid line is sufficiently retracted from the tip of the pasting means 1, the upper limit posture of the pasting means 1 shown by the phantom line in the figure is advanced to a position close to the tip of the pasting means 1 Further, the cutting means 10 is arranged in the same manner as in the previous case.

この装置によれば、貼付け手段１の姿勢の変更とタイミングを合わせて剥離拘束手段８を変位させることにより、先に述べた装置の場合と同様に、高い寸法精度を有するタイヤ構成部材を形成することができる。   According to this apparatus, by changing the posture of the sticking means 1 and the timing and displacing the peeling restraining means 8, a tire constituent member having high dimensional accuracy is formed as in the case of the above-described apparatus. be able to.

この発明に係る装置の、要部の実施形態を示す斜視図および側面図である。It is the perspective view and side view which show embodiment of the principal part of the apparatus which concerns on this invention. タイヤ構成部材の形成態様を示す略線側面図である。It is a rough-line side view which shows the formation aspect of a tire structural member. この発明に係る装置の他の実施形態を示す側面図である。It is a side view which shows other embodiment of the apparatus which concerns on this invention. 提案技術を示す略線側面図である。It is a rough-line side view which shows a proposal technique. ゴム部材の余剰の剥離態様を例示する略線側面図である。It is a rough-line side view which illustrates the excessive peeling aspect of a rubber member.

符号の説明Explanation of symbols

１ 貼付け手段
２ 水平軸
３ ブラケット
４ 小径ローラ
５ 長孔
６ スライダブロック
７ リンク
８ 剥離拘束手段
９ 支持手段
１０ 切断手段
１１ 粘着積層シート
１２ ゴム部材
１３ 剥離シート DESCRIPTION OF SYMBOLS 1 Pasting means 2 Horizontal axis 3 Bracket 4 Small diameter roller 5 Long hole 6 Slider block 7 Link 8 Peeling restraining means 9 Supporting means 10 Cutting means 11 Adhesive laminated sheet 12 Rubber member 13 Peeling sheet

Claims (2)

剥離シートの粘着状態で繰出し走行される長尺のゴム部材を、その剥離シートを引き剥がしながら、支持手段の周りに所定の長さにわたって貼付けてタイヤ構成部材を形成するに当って、ゴム部材の貼付けを行うとともに、剥離シートの引き剥がしを案内し、また、ゴム部材の切断を行うゴム部材貼付け装置であって、
先端を、前記支持手段の表面に対して接近及び離隔変位可能とした貼付け手段を設け、この貼付け手段の支持手段側に配設されて、貼付け手段の先端の、支持手段への接近下ではその先端から遠ざかって位置し、一方、貼付け手段の先端の、支持手段からの離隔下ではその先端に近接して位置する、ゴム部材の剥離拘束手段を設けるとともに、貼付け手段の先端の、支持手段からの離隔姿勢の下で、それらの両者間へ進入する切断手段を設け、
前記貼付け手段を、支点の周りに揺動可能とし、前記剥離拘束手段を、揺動変位される貼付け手段に、貼付け手段の揺動変位に基いて剥離拘束手段を自動的に進退変位させるリンク機構を介して連結してなるゴム部材貼付け装置。 In forming a tire constituent member by sticking a long rubber member that is fed and run in an adhesive state of the release sheet over a predetermined length around the support means while peeling off the release sheet, It is a rubber member pasting device that guides the peeling of the release sheet and also cuts the rubber member while performing pasting,
An affixing means that allows the tip to move toward and away from the surface of the support means is provided, disposed on the support means side of the affixing means, and when the tip of the affixing means is close to the support means, Provided with a separation restraining means for the rubber member, which is located away from the tip, and close to the tip of the sticking means at a distance from the support means, and from the support means at the tip of the sticking means The cutting means to enter between both of them under the separated posture of
A link mechanism that allows the affixing means to swing around a fulcrum, and causes the affixing means to affix and displace the peeling restraint means to automatically advance and retreat the peeling restraint means based on the swinging displacement of the affixing means. A rubber member affixing device that is connected via a cable. 請求項１に記載のゴム部材貼付け装置をもってタイヤ構成部材を形成するに当り、In forming a tire constituent member with the rubber member affixing device according to claim 1,
剥離シートを粘着させた、リボン状もしくはシート状の長尺のゴム部材を繰出し走行させて、貼付け手段の先端で剥離シートを巻返してそれをゴム部材から引き剥がすとともに、そのゴム部材を、支持手段の周りに所要の角度範囲にわたって貼付けた後、貼付け手段の先端を支持手段から離隔変位させるとともに、剥離拘束手段を貼付け手段の先端側へ自動的に進出変位させて、ゴム部材の、剥離テープからの不要の剥離をその剥離拘束手段で抑制しつつ、ゴム部材を切断する、タイヤ構成部材の形成方法。A ribbon-like or sheet-like long rubber member with a release sheet adhered is run out, and the release sheet is rewound at the tip of the pasting means and peeled off from the rubber member, and the rubber member is supported. After pasting around the means over a required angle range, the tip of the sticking means is displaced away from the support means, and the peeling restraining means is automatically moved forward to the tip side of the sticking means, and the peeling tape of the rubber member A method of forming a tire constituent member, in which a rubber member is cut while suppressing unnecessary peeling from the peeling with the peeling restraining means.
JP2003346887A 2003-10-06 2003-10-06 Rubber member pasting apparatus and method for forming tire constituent member using the same Expired - Fee Related JP4402417B2 (en)

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