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JP4075981B2 - Manufacturing method of belt-shaped rubber member - Google Patents

Manufacturing method of belt-shaped rubber member Download PDF

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Publication number
JP4075981B2
JP4075981B2 JP2002161539A JP2002161539A JP4075981B2 JP 4075981 B2 JP4075981 B2 JP 4075981B2 JP 2002161539 A JP2002161539 A JP 2002161539A JP 2002161539 A JP2002161539 A JP 2002161539A JP 4075981 B2 JP4075981 B2 JP 4075981B2
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JP
Japan
Prior art keywords
rubber member
belt
insulation wire
manufacturing
drum
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.)
Expired - Fee Related
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JP2002161539A
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Japanese (ja)
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JP2004009311A (en
Inventor
一郎 宮本
陽一 菊地
睦喜 浅野
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Yokohama Rubber Co Ltd
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Yokohama Rubber Co Ltd
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Priority to JP2002161539A priority Critical patent/JP4075981B2/en
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Description

【0001】
【発明の属する技術分野】
この発明は、帯状ゴム部材の製造方法にかかわり、更に詳しくは成形ドラム上に複数本のインシュレーションワイヤ(ワイヤーにゴム被覆した部材)を螺旋状に巻付けて所定幅の帯状ゴム部材を製造する際、インシュレーションワイヤの横送りピッチと、成形ドラム上での貼付け位置を制御することで、任意の角度を持った四角形状の帯状ゴム部材を製造することを可能とした帯状ゴム部材の製造方法に関するものである。
【0002】
【従来の技術】
従来、タイヤ等の構成部材として使用されるスチールワイヤー入りの帯状ゴム部材の製造方法としては、インシュレーションワイヤを回転ドラムに螺旋状に巻付けて円筒部材を成形し、この円筒部材を斜め幅方向に切断して帯状ゴム部材を製造する方法、また予め所定の長さに切断したインシュレーションワイヤをコンベヤ上に一本毎並列に配置する方法、及びタイヤ成形ドラム上にタイヤ形状に沿って所定の長さのインシュレーションワイヤを順次巻付けて帯状ゴム部材を直接成形する方法等が知られている。
【0003】
【発明が解決しようとする課題】
然しながら、円筒部材を成形して斜め幅方向に切断する方法や、コンベヤ上に一本毎並列に配置する方法の場合には、円筒部材の成形時に、インシュレーションワイヤのピッチ送りが間欠運転となり、材料精度に影響を及ぼすと共に、切断時の切断角度や切断作業に多くの手間と時間がかかると言う問題がある。
【0004】
またタイヤ成形ドラム上にタイヤ形状に沿って所定の長さのインシュレーションワイヤを順次巻付ける方法は、インシュレーションワイヤを誘導及び保持する機構が必要であって、構造が複雑になる問題があり、また帯状ゴム部材の端末部の角度の設定は、インシュレーションワイヤの供給角度か、タイヤ成形ドラムの設置角度を調整しなければならず、サイズの段取り替えを簡単に行うことが出来ない上に、多種サイズに対応させることが出来ないと言う問題があった。
【0005】
この発明はかかる従来の問題点に着目し、帯状ゴム部材のサイズの段取り替えを自由に行うことが出来ると共に、順次の段取り替えも可能であり、簡単な構成で多種サイズの帯状ゴム部材にも対応させることが出来る帯状ゴム部材の製造方法を提供することを目的とするものである。
【0006】
【発明が解決しようとする課題】
この発明は上記目的を達成するため、回転駆動している成形ドラム上に、予め所定の長さに切断したインシュレーションワイヤを螺旋状に巻付けて帯状ゴム部材を製造する方法であって、前記成形ドラム上にインシュレーションワイヤを螺旋状に巻付ける際、所定の長さに切断したインシュレーションワイヤを、成形ドラムの軸方向に沿って所定の送りピッチで、かつ先端貼付け位置を成形ドラムの周方向にずらせながら貼付け、任意の角度をもった四角形状の帯状ゴム部材を製造することを要旨とするものである。
【0007】
前記所定の回転速度で回転する成形ドラム上に、成形ドラムの軸方向に沿ってインシュレーションワイヤを貼付ける際、成形ドラムまたはインシュレーションワイヤの供給手段の少なくとも一方を所定の送りピッチでドラム軸方向に横移動させ、また前記インシュレーションワイヤを所定の定尺長さに切断する際、その端末部を直角に切断し、更に前記インシュレーションワイヤの方向を成形ドラムの周方向に沿って貼付けるようにすることも可能である。
【0008】
このように、帯状ゴム部材のサイズの段取り替えは、インシュレーションワイヤの切断長さと、先端の貼付け位置を変えることで任意に行うことが出来、また瞬時の段取り替えも行うことが出来、成形ドラム,定尺切断,インシュレーションワイヤの供給機構を簡単な構成で多種類のサイズに対応させることが出来るものである。
【0009】
【発明の実施の形態】
以下、添付図面に基づき、この発明の実施形態を説明する。
【0010】
図1は、この発明にかかる帯状ゴム部材の製造方法を実施するための製造工程の斜視図、図2はこの発明の製造方法により製造した帯状ゴム部材の平面説明図を示し、この発明では、円筒状の成形ドラム1に、予め所定の切断長さLに切断した複数本のインシュレーションワイヤ(ワイヤーにゴム被覆した部材)2をガイドローラ3a,3bを介して所定の送りピッチPで、かつ先端貼付け位置Sを前後方向にずらせながら所定の送り量dで貼付けることで、任意の先端角度αをもった所定の材料幅Hの帯状ゴム部材W(この実施形態では、タイヤに構成部材として使用するベルト材)を製造することが出来るものである。
【0011】
前記インシュレーションワイヤ2の送りピッチPは、この実施形態では、成形ドラム1をドラム軸方向Xに移動させる方法を行っているが、インシュレーションワイヤ2を成形ドラム1に供給するための供給手段、即ち、ガイドローラ3a,3bをドラム軸方向Xに移動させるようにしても良い。
【0012】
即ち、この発明の帯状ゴム部材Wの製造方法は、回転駆動している成形ドラム1をドラム軸方向Xに所定の速度で移動させながら、該成形ドラム1上に、予め所定の長さに切断したインシュレーションワイヤ2を螺旋状に巻付ける。
【0013】
次いで、成形ドラム1を横移動させると共に回転させて、360°+位相ズレ分の位置にて二本目のインシュレーションワイヤ2を螺旋状に巻付ける。即ち、所定の送りピッチPで、かつ先端貼付け位置Sを前後方向にずらせながら所定の送り量dで螺旋状に巻付け、このように成形ドラム1を連続的に横移動させながら回転させながら巻付ける。インシュレーションワイヤ2の貼付けは、成形ドラム1の動作に合わせて間欠的に巻付け、このような操作を連続的に繰返し行うものである。
【0014】
なお、供給手段から送り出されるインシュレーションワイヤ2を所定の切断長さLに切断する際には、インシュレーションワイヤ2の切断部は直角に切断する。
【0015】
このようにして、所定本数のインシュレーションワイヤ2を巻付けて帯状ゴム部材Wを製造した後、成形ドラム1から取外すと、図2または図3に示すような平行四辺形状の所定の角度αを持った帯状ゴム部材Wを製造することが出来る。
【0016】
また、インシュレーションワイヤ2を成形ドラム1に巻付ける際、先端貼付け位置Sを任意の一定長さずらせた位置に貼付けることで、平行四辺形状の角度αを任意に変更することが出来、従って、長方形状や四角形状の帯状ゴム部材Wを製造することが出来るものである。
【0017】
なお、インシュレーションワイヤ2の送り量d、及び切断長さLは、下記の式により求めることが出来る。また、帯状ゴム部材Wの長さZは、インシュレーションワイヤ2の貼合わせ本数により決定することが出来る。
【0018】
送り量d=送りピッチP/Tan α
切断長さL=材料幅H/Sin α
〔実施例〕
上記のような方法により帯状ゴム部材Wを製造する場合に、送りピッチP:2mm、材料幅H:200mmとし、材料角度αを、20°と30°で製作した場合には、下記の表1のようになる。
【0019】
即ち、図4及び図5に示すように、回転駆動している成形ドラム1をドラム軸方向Xに所定の速度で移動させながら、該成形ドラム1上に、予め所定の長さに切断したインシュレーションワイヤ2を螺旋状に巻付ける。
【0020】
次いで、成形ドラム1を横移動させると共に回転させて、360°+位相ズレ分の位置にて二本目のインシュレーションワイヤ2を螺旋状に巻付け、この巻付ける際に、所定の送りピッチP(2mm)で、かつ先端貼付け位置Sを前後方向にずらせながら所定の送り量dで螺旋状に巻付けるものである。このような操作を繰返し行う。これにより、図4に示すような菱形形状の帯状ゴム部材Wを製造することが出来るのである。
【0021】
【表1】

Figure 0004075981
【0022】
以上のように、帯状ゴム部材Wのサイズの段取り替えは、インシュレーションワイヤ2の切断長さLと、先端の貼付け位置Sを変えることで任意に行うことが出来、また瞬時の段取り替えも行うことが出来、成形ドラム,定尺切断,インシュレーションワイヤ2の供給機構を簡単な構成で多種類のサイズに対応させることが可能となる。
【0023】
【発明の効果】
この発明は、上記のように回転駆動している成形ドラム上に、予め所定の長さに切断 したインシュレーションワイヤを螺旋状に巻付けて帯状ゴム部材を製造する方法であっ て、前記成形ドラム上にインシュレーションワイヤを螺旋状に巻付ける際、所定の長さ に切断したインシュレーションワイヤを、成形ドラムの軸方向に沿って所定の送りピッ チで、かつ先端貼付け位置を成形ドラムの周方向にずらせながら貼付け、任意の角度を もった四角形状の帯状ゴム部材を製造するので、以下のような優れた効果を奏するもの である。
(a).帯状ゴム部材のサイズの段取り替えは、インシュレーションワイヤの切断長さと、先端の貼付け位置を変えることで任意に行うことが出来、また瞬時の段取り替えも行うことが出来る。
(b).従来の方法に比べて、成形ドラム,定尺切断,インシュレーションワイヤの供給機構を簡単な構成で行うことが出来ると共に、多種類のサイズに対応させることが可能である。
(c).従来方法の場合には、インシュレーションワイヤのピッチ送りは間欠運転となっていたが、この発明では成形ドラムの回転及び送りは連続運転で行うことが出来、生産性の向上を図ることが出来る。
(d).この発明では、インシュレーションワイヤを一本毎に切断して貼付ける方法であるため、ワイヤーの直角切断が可能である。
【図面の簡単な説明】
【図1】この発明にかかる帯状ゴム部材の製造方法を実施するための製造工程の斜視図である。
【図2】この発明の製造方法により製造した帯状ゴム部材の平面説明図である。
【図3】この発明の製造方法により製造した他の帯状ゴム部材の平面説明図である。
【図4】この発明の実施例における帯状ゴム部材の製造方法の説明図である。
【図5】この発明の実施例により製造した帯状ゴム部材の平面説明図である。
【符号の説明】
1 成形ドラム 2 インシュレーションワイヤ
3a,3b ガイドローラ X ドラム軸方向
W 帯状ゴム部材 P 送りピッチ
S 先端貼付け位置 d 送り量
L 切断長さ α 角度
Z 帯状ゴム部材の長さ H 材料幅[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for producing a belt-like rubber member, and more specifically, a plurality of insulation wires (members covered with rubber on a wire) are spirally wound around a molding drum to produce a belt-like rubber member having a predetermined width. At the time, a method for producing a belt-like rubber member that can produce a rectangular belt-like rubber member having an arbitrary angle by controlling the lateral feed pitch of the insulation wire and the position of application on the molding drum. It is about.
[0002]
[Prior art]
Conventionally, as a method of manufacturing a rubber band containing a steel wire used as a constituent member of a tire or the like, a cylindrical member is formed by spirally winding an insulation wire around a rotating drum, and the cylindrical member is formed in an oblique width direction. A method of manufacturing a band-shaped rubber member by cutting into a predetermined length, a method of arranging insulation wires cut in advance to a predetermined length in parallel on a conveyor, and a predetermined shape along a tire shape on a tire molding drum A method of directly forming a belt-shaped rubber member by sequentially winding a length of insulation wire is known.
[0003]
[Problems to be solved by the invention]
However, in the case of the method of forming the cylindrical member and cutting it in the oblique width direction, or the method of arranging each one in parallel on the conveyor, the pitch feed of the insulation wire becomes intermittent operation when forming the cylindrical member, In addition to affecting the material accuracy, there are problems that the cutting angle at the time of cutting and the cutting work take a lot of labor and time.
[0004]
Further, the method of sequentially winding an insulation wire of a predetermined length along the tire shape on the tire molding drum requires a mechanism for guiding and holding the insulation wire, and there is a problem that the structure becomes complicated. In addition, the setting of the angle of the end portion of the belt-shaped rubber member has to adjust the supply angle of the insulation wire or the installation angle of the tire molding drum, and the size change cannot be easily performed. There was a problem that it could not be adapted to various sizes.
[0005]
The present invention pays attention to such a conventional problem, and it is possible to freely change the size of the band-shaped rubber member, and it is also possible to sequentially change the size of the band-shaped rubber member. An object of the present invention is to provide a method for manufacturing a belt-like rubber member that can be accommodated.
[0006]
[Problems to be solved by the invention]
In order to achieve the above object, the present invention is a method of manufacturing a belt-shaped rubber member by spirally winding an insulation wire cut into a predetermined length on a rotationally driven forming drum, When the insulation wire is spirally wound on the molding drum, the insulation wire cut to a predetermined length is fed at a predetermined feed pitch along the axial direction of the molding drum , and the tip application position is set to the circumference of the molding drum. The gist is to produce a rectangular belt-shaped rubber member having an arbitrary angle by pasting while shifting in the direction .
[0007]
When the insulation wire is stuck along the axial direction of the molding drum on the molding drum rotating at the predetermined rotational speed, at least one of the molding drum and the supply means of the insulation wire is arranged in the drum axial direction at a predetermined feed pitch. When the insulation wire is cut into a predetermined length, the terminal portion is cut at a right angle, and the direction of the insulation wire is pasted along the circumferential direction of the forming drum. It is also possible to make it.
[0008]
In this way, the change in size of the belt-shaped rubber member can be performed arbitrarily by changing the cutting length of the insulation wire and the attaching position of the tip, and can also be instantaneously changed, and the forming drum It is possible to cope with various types of sizes with a simple configuration of a mechanism for cutting a fixed length and an insulation wire.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0010]
FIG. 1 is a perspective view of a manufacturing process for carrying out the method for manufacturing a belt-shaped rubber member according to the present invention, and FIG. 2 is a plan view illustrating the belt-shaped rubber member manufactured by the manufacturing method of the present invention. A plurality of insulation wires (members covered with rubber on wires) 2 cut in advance to a predetermined cutting length L on a cylindrical molding drum 1 at a predetermined feed pitch P via guide rollers 3a and 3b, and By sticking at a predetermined feed amount d while shifting the tip sticking position S in the front-rear direction, a belt-like rubber member W having a predetermined material width H having an arbitrary tip angle α (in this embodiment, as a constituent member on the tire) Belt material to be used) can be manufactured.
[0011]
In this embodiment, the feed pitch P of the insulation wire 2 is a method of moving the forming drum 1 in the drum axial direction X, but a supply means for supplying the insulation wire 2 to the forming drum 1; That is, the guide rollers 3a and 3b may be moved in the drum axis direction X.
[0012]
That is, according to the manufacturing method of the belt-like rubber member W of the present invention, the rotationally driven molding drum 1 is cut in advance to a predetermined length on the molding drum 1 while moving at a predetermined speed in the drum axial direction X. The insulation wire 2 is wound in a spiral shape.
[0013]
Next, the forming drum 1 is moved laterally and rotated to wind the second insulation wire 2 in a spiral shape at a position corresponding to 360 ° + phase shift. That is, winding is performed spirally with a predetermined feed pitch P and with a predetermined feed amount d while shifting the tip sticking position S in the front-rear direction, and thus rotating while continuously moving the forming drum 1 laterally. wear. The insulation wire 2 is affixed intermittently according to the operation of the forming drum 1 and such operations are repeated continuously.
[0014]
When the insulation wire 2 fed from the supply means is cut to a predetermined cutting length L, the cut portion of the insulation wire 2 is cut at a right angle.
[0015]
In this way, after the predetermined number of the insulation wires 2 are wound to manufacture the belt-like rubber member W, when the belt-shaped rubber member W is removed from the forming drum 1, the predetermined angle α of the parallelogram as shown in FIG. The belt-like rubber member W can be manufactured.
[0016]
Further, when the insulation wire 2 is wound around the forming drum 1, the angle α of the parallelogram can be arbitrarily changed by sticking the tip sticking position S to a position shifted by an arbitrary fixed length, and accordingly. A rectangular or quadrangular belt-like rubber member W can be manufactured.
[0017]
In addition, the feed amount d and the cutting length L of the insulation wire 2 can be obtained by the following equations. Further, the length Z of the belt-like rubber member W can be determined by the number of the insulation wires 2 to be bonded.
[0018]
Feed amount d = feed pitch P / Tan α
Cutting length L = Material width H / Sin α
〔Example〕
When the belt-like rubber member W is manufactured by the above method, when the feed pitch P is 2 mm, the material width H is 200 mm, and the material angle α is 20 ° and 30 °, the following Table 1 is used. become that way.
[0019]
That is, as shown in FIGS. 4 and 5, while the rotationally driven forming drum 1 is moved at a predetermined speed in the drum axial direction X, the insulation previously cut to a predetermined length is formed on the forming drum 1. The winding wire 2 is wound spirally.
[0020]
Next, the forming drum 1 is moved laterally and rotated so that the second insulation wire 2 is spirally wound at a position of 360 ° + phase shift, and at this time, a predetermined feed pitch P ( 2 mm), and the tip sticking position S is spirally wound at a predetermined feed amount d while shifting the front end sticking position S in the front-rear direction. Such an operation is repeated. As a result, a diamond-shaped band-shaped rubber member W as shown in FIG. 4 can be manufactured.
[0021]
[Table 1]
Figure 0004075981
[0022]
As described above, the change of the size of the band-shaped rubber member W can be arbitrarily performed by changing the cutting length L of the insulation wire 2 and the application position S of the tip, and instantaneous changeover is also performed. In addition, the forming drum, the regular cutting, and the supply mechanism of the insulation wire 2 can be adapted to various sizes with a simple configuration.
[0023]
【The invention's effect】
The present invention is a method of manufacturing a band-shaped rubber member by spirally winding an insulation wire cut into a predetermined length on a molding drum that is rotationally driven as described above, and the molding drum When the insulation wire is spirally wound on the top, the insulation wire cut into a predetermined length is fed with a predetermined feed pitch along the axial direction of the molding drum , and the tip application position is set in the circumferential direction of the molding drum. Since a rectangular belt-like rubber member having an arbitrary angle is produced by pasting while shifting , the following excellent effects are exhibited.
(a) The change of the size of the belt-like rubber member can be performed arbitrarily by changing the cutting length of the insulation wire and the attaching position of the tip, and can also be changed instantaneously.
(b) Compared to the conventional method, the forming drum, the regular cutting, and the supply mechanism of the insulation wire can be performed with a simple configuration and can be made compatible with various sizes.
(c) In the case of the conventional method, the pitch feed of the insulation wire is intermittent operation, but in this invention, the rotation and feed of the forming drum can be performed continuously, thereby improving the productivity. I can do it.
(d) In this invention, since the insulation wires are cut and pasted one by one, the wires can be cut at right angles.
[Brief description of the drawings]
FIG. 1 is a perspective view of a manufacturing process for carrying out a method for manufacturing a belt-like rubber member according to the present invention.
FIG. 2 is an explanatory plan view of a belt-like rubber member manufactured by the manufacturing method of the present invention.
FIG. 3 is an explanatory plan view of another belt-like rubber member manufactured by the manufacturing method of the present invention.
FIG. 4 is an explanatory view of a method for manufacturing a belt-like rubber member in an embodiment of the present invention.
FIG. 5 is an explanatory plan view of a belt-like rubber member manufactured according to an embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Molding drum 2 Insulation wire 3a, 3b Guide roller X Drum axial direction W Band-shaped rubber member P Feed pitch S Tip sticking position d Feed amount L Cutting length α Angle Z Length of band-shaped rubber member H Material width

Claims (4)

回転駆動している成形ドラム上に、予め所定の長さに切断したインシュレーションワイヤを螺旋状に巻付けて帯状ゴム部材を製造する方法であって、前記成形ドラム上にインシュレーションワイヤを螺旋状に巻付ける際、所定の長さに切断したインシュレーションワイヤを、成形ドラムの軸方向に沿って所定の送りピッチで、かつ先端貼付け位置を成形ドラムの周方向にずらせながら貼付け、任意の角度をもった四角形状の帯状ゴム部材を製造する帯状ゴム部材の製造方法。A method of manufacturing a belt-like rubber member by spirally winding an insulation wire cut to a predetermined length on a rotationally driven forming drum, wherein the insulation wire is spirally formed on the forming drum The insulation wire cut to a predetermined length is attached at a predetermined feed pitch along the axial direction of the molding drum and while the tip application position is shifted in the circumferential direction of the molding drum , and an arbitrary angle is applied. A manufacturing method of a belt-shaped rubber member for manufacturing a rectangular belt-shaped rubber member having a rectangular shape. 前記所定の回転速度で回転する成形ドラム上に、成形ドラムの軸方向に沿ってインシュレーションワイヤを貼付ける際、成形ドラムまたはインシュレーションワイヤの供給手段の少なくとも一方を所定の送りピッチでドラム軸方向に横移動させる請求項1に記載の帯状ゴム部材の製造方法。When the insulation wire is stuck along the axial direction of the molding drum on the molding drum rotating at the predetermined rotational speed, at least one of the molding drum and the supply means of the insulation wire is arranged in the drum axial direction at a predetermined feed pitch. The manufacturing method of the strip | belt-shaped rubber member of Claim 1 made to move laterally. 前記インシュレーションワイヤを所定の定尺長さに切断する際、その端末部を直角に切断する請求項1または2に記載の帯状ゴム部材の製造方法。  The manufacturing method of the strip | belt-shaped rubber member of Claim 1 or 2 which cut | disconnects the terminal part at a right angle when cut | disconnecting the said insulation wire to predetermined fixed length. 前記インシュレーションワイヤの方向を成形ドラムの周方向に沿って貼付ける請求項1,2または3に記載の帯状ゴム部材の製造方法。The manufacturing method of the strip | belt-shaped rubber member of Claim 1, 2 or 3 which affixes the direction of the said insulation wire along the circumferential direction of a forming drum.
JP2002161539A 2002-06-03 2002-06-03 Manufacturing method of belt-shaped rubber member Expired - Fee Related JP4075981B2 (en)

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JP4938854B2 (en) * 2007-08-21 2012-05-23 東洋ゴム工業株式会社 Belt material manufacturing method and apparatus

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JP3124560B2 (en) * 1990-12-28 2001-01-15 株式会社ブリヂストン Ply member molding method
FR2677578A1 (en) * 1991-06-17 1992-12-18 Sedepro PROCESS FOR THE MANUFACTURE OF A TIRE AND MACHINES FOR THE IMPLEMENTATION OF THIS PROCESS.
FR2694519A1 (en) * 1992-08-07 1994-02-11 Sedepro Method of manufacturing a tire and machine for manufacturing a crown reinforcement for a tire.
ES2195390T3 (en) * 1997-10-03 2003-12-01 Bridgestone Corp APPARATUS TO FORM A REINFORCING COAT OF A PNEUMATIC COVER.
JP2001088225A (en) * 1999-09-21 2001-04-03 Bridgestone Corp Method and apparatus for producing tire constituting belt
JP2003251711A (en) * 2002-03-01 2003-09-09 Toyo Tire & Rubber Co Ltd Tire belt forming apparatus and belt forming method

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