JPS6044329A - Tire molding former - Google Patents
Tire molding formerInfo
- Publication number
- JPS6044329A JPS6044329A JP58151860A JP15186083A JPS6044329A JP S6044329 A JPS6044329 A JP S6044329A JP 58151860 A JP58151860 A JP 58151860A JP 15186083 A JP15186083 A JP 15186083A JP S6044329 A JPS6044329 A JP S6044329A
- Authority
- JP
- Japan
- Prior art keywords
- bead
- main shaft
- shaft
- stock
- tale
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 8
- 239000011324 bead Substances 0.000 claims abstract description 65
- 101100481404 Danio rerio tie1 gene Proteins 0.000 claims 1
- 101100481406 Mus musculus Tie1 gene Proteins 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000218645 Cedrus Species 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/36—Expansion of tyres in a flat form, i.e. expansion to a toroidal shape independently of their building-up process, e.g. of tyres built by the flat-tyres method or by jointly covering two bead-rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/244—Drums for manufacturing substantially cylindrical tyre components with cores or beads, e.g. carcasses
- B29D30/246—Drums for the multiple stage building process, i.e. the building-up of the cylindrical carcass is realised on one drum and the toroidal expansion is realised after transferring on another drum
- B29D30/247—Arrangements for the first stage only, e.g. means for radially expanding the drum to lock the beads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
- B29D2030/3214—Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Tyre Moulding (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、自動車用ラジアルタイヤの製造」、−程に
おいて、その二次成形を行なうためのり・ｒ −！、−
成形フオーマに関する。DETAILED DESCRIPTION OF THE INVENTION This invention relates to the production of radial tires for automobiles. ,−
Regarding molding formers.
自動車用ラジアルタイヤの成形方法に、カーカスプライ
やビードワイヤを円筒状に貼合せる−・１５ご成形と、
得られた円筒状の一次成形タイヤを）１〕イグル状に変
形してその外面にヘルドやト１／ノ１゛キャップを貼合
せる二次成形とからなっており一この二次成形を行なう
ためのタイヤ成形フＡ−マとして、片持状に支持された
回転自在の主’ｌ’ｊｌの端部および該主軸にその軸方
向に摺動自在に嵌装されノこスリーブの端部にフランジ
をそれぞれ固定し、このフランジの周縁部内方に一次成
形で得られたｆｔ＜成形タイヤのビード部内縁を半径方
向外向きに押圧するための揺動自在の複数個のセグメン
ト状ビード保持部拐をリング状に配設し、上記フランジ
の夕１周部と複数個のセグメント状ビード保持１グシ利
の外周部とにまたがってゴムシートからなる円ｆｉｉ状
ダイヤフラムを被着し、この円筒状ダイヤフラムの外側
に上記夕・ｒヤカーカスのビード部外［１ｉ１１１ｆｌ
ｉと係合する円筒状もしくはコーン状の受金を設はブ（
ものか知られている（特開昭５８−２８３６６け公報、
’ｊ ｊｉｊｌ ）。A method for forming radial tires for automobiles involves laminating carcass plies and bead wires into a cylindrical shape.
The resulting cylindrical primary molded tire is transformed into an ``Iggle'' shape and a heald and a 1/1'' cap are attached to the outer surface of the tire. As a tire forming frame A-mer, the end of a rotatable main shaft supported in a cantilevered manner and a flange fitted to the end of the saw sleeve slidably in the axial direction of the main shaft are attached. are fixed respectively, and a plurality of swingable segment-shaped bead holding parts for pressing the inner edge of the bead part of the formed tire radially outward are fixed inside the peripheral edge of this flange. Arranged in a ring shape, a circular diaphragm made of a rubber sheet is applied across the outer circumference of the flange and the outer circumference of the plurality of segmented beads, and this cylindrical diaphragm is Outside the bead of the above Y/R yakacas [1i111fl
Set up a cylindrical or cone-shaped receiver that engages with the button (
It is known (Japanese Unexamined Patent Publication No. 58-28366,
'j jijl).
しかしなから、上記従来のタイヤ成彩フォーマは、主ｈ
ｌ＋側の受金が主軸側のフランジに固定婆れるのに対し
１テールストツク側の受金がテールストック軸の先端に
固定され、テールストック軸を主軸側へ送ることによっ
てセグメント状ビード保持部（、ｊに保持されている一
次成形夕・ｒヤのビード部外面に押圧されるものである
から、−吹成形タイヤをトロイダル状に膨張させたＶ５
に生しる強大な圧力に対抗するために上記のテールスト
ック軸およびその駆動機構を大型に設３１シなけれ＆Ｊ
な負・ず、そのためコスト、′）となってい７′ξ。However, the above-mentioned conventional tire coloring former is mainly
While the holder on the 1+ side is fixed to the flange on the main shaft side, the holder on the 1st tail stock side is fixed to the tip of the tail stock shaft, and by sending the tail stock shaft toward the main shaft side, the segment-shaped bead holding part (, Since it is pressed against the outer surface of the bead part of the primary molded tire held in the tire, the
The above tailstock shaft and its drive mechanism must be made large in order to resist the enormous pressure generated by the
The cost is 7′ξ.
この発明４：Ｊ： 、テールストック軸とテールストッ
ク側のセグメント状ビード保持部材とをロックビンで機
械的に、か一つ着脱自在に結合することによって、両者
の結合を確実ＫＬ、Ｌかもテールストック軸およびその
駆動機構の大型化を避けるようにしたものである。This invention 4: J: By mechanically connecting the tailstock shaft and the segment-shaped bead holding member on the tailstock side with a lock pin in a removable manner, the connection between the two is ensured. This avoids increasing the size of the shaft and its drive mechanism.
すなわち、（−・７１ ％ ｌ；、ｉｌは、−吹成形タ
イヤのビード部の半径方向内ｍｌおよび軸与向内机に接
する断面り字形のリムと、上記ビード部の榴１方向外面
に接するビード受金とを（ｒ；ｉ北１．−・ノドストソ
）ｌ ［ｌｌのビード受金か主軸に固定ａ ｔ＋、テー
ルストック側のビー１受金か上記主軸方向に摺動自在の
ラールス１．）々軸に固定でハたタイヤ成形フメーマに
おいて、ゴー記テールストック側のビード受金およｒＥ
主軸の端部を・テールストック軸の摺動に連動して半径
方向に摺動する少なくとも２本のロックビンによって結
合するようにしたことを特徴とするター（’ｒ成形）Ａ
−マである。That is, (-・71% l;, il is - the radial inner ml of the bead portion of the blown-molded tire and the rim with a cross-section in contact with the axially oriented inner disk, and the outer surface of the bead portion in the radial direction. The bead holder (r; i north 1.-・nodostoso) l [ll's bead holder is fixed to the main shaft a t+, and the bead holder on the tail stock side is fixed to the main shaft. ) In the tire molding machine that is fixed to each shaft, attach the bead holder on the tailstock side and rE.
Ter ('r molding) A characterized in that the ends of the main shaft are connected by at least two lock bins that slide in the radial direction in conjunction with the sliding of the tailstock shaft.
- It is Ma.
以下にこの発明の実施例を図面によって説明する。Embodiments of the present invention will be described below with reference to the drawings.
第１図において、中空の主軸１は、図面の右方で片持状
に、かつ回転自在に、また摺動自在に支持されて駆動源
に接続されている。この主軸ｌの端１）ｌｊに左方へ延
びる円筒状の左側ブロック２が固定され、その先端にフ
ランジ３が固定され、このフランジ３の内ｆｆｆｆ ｇ
部に」二記左側ブロック２の外曲に沿った環状シリン
ダ３ａが形成さね、この環゛（）（シリング３ａに環状
ビス１ン４が摺動自在に嵌装さオ］ると共に、」−記左
側ブロック２とその内側％８部に固定されたスプリング
ホルダ５との間に複ｈ 個のコイルスプリング６が縮装
さね、このフィルスフリング６によって環状ビス１ン１
１が外向きにイ」勢きれる。な」３、上記の主軸１の中
心孔１ａには、駆動側かり内部軸７か挿入されてその先
端が主軸１の中心孔１ａの内壁に密嵌され、駆動側で内
部軸７の外側に供給されブこ■−縮空気が主軸１に穿設
された通気孔１ｂから一次成形々イヤＧσ）内側に送入
され、内一部軸７の中心孔７ａに供給された圧縮空気か
主軸１に上記の通気孔１）〕の反ス・ｊ側に穿設式ｉ１
だ通気孔ＩＣおよび左ｆｒｉｌｌブｒ１ンク２に穿設さ
れた通気孔２ａを介して」−記環状うリニダ３ａに送入
されるようになっている。In FIG. 1, a hollow main shaft 1 is rotatably and slidably supported in a cantilevered manner on the right side of the drawing and connected to a drive source. A cylindrical left block 2 extending to the left is fixed to the end 1)lj of this main shaft l, and a flange 3 is fixed to the tip of the left block 2.
An annular cylinder 3a is formed along the outer curve of the left block 2, and an annular screw 14 is slidably fitted into the cylinder 3a. - A plurality of h coil springs 6 are compressed between the left block 2 and a spring holder 5 fixed to the inside part 8, and the coil springs 6 are compressed by the coil springs 6.
1 is facing outward. 3. The inner shaft 7 on the drive side is inserted into the center hole 1a of the main spindle 1, and its tip is tightly fitted into the inner wall of the center hole 1a of the main spindle 1, and the inner shaft 7 on the drive side is inserted into the center hole 1a of the main spindle 1. - Compressed air is fed into the primary molding body from the ventilation hole 1b drilled in the main shaft 1, and the compressed air supplied to the center hole 7a of the inner shaft 7 is the main shaft 1. There is a perforation type i1 on the opposite side of the ventilation hole 1) above.
The air is fed into the annular cylinder 3a through the vent hole IC and the vent hole 2a formed in the left frill block 2.
上記のフランジ８の外周部内面には多数個のＵ字ブラケ
ット８が内向きに、かつ外周に沿って舌１１Ｍ隔に突設
さＪ］、このＵ字ブラケット８にセグメント状のビード
保持部拐９の基部がビン１０によって揺動自在に取イ」
けられ、これら全数のヒート保持部材９が半径方向内方
に位置したときＥｌｌｌ・９几が断面り字形の１個のリ
ングを形成し、上記σ）リム９ａが一次成形タイヤ０の
ビード部Ｇａの゛１′仔方同方向内面び軸方向内面に接
ず２）ようになつ−（いる。このビード保持部４′Ａ’
９ ｔｒｉ、その基部に゛１′１ｒ方向のアーム９ｂ
を有しており、このアーム９ ｂの先端に取付けたロー
ラ１１が−に記環状ビス１／４の外面に削設されている
周方向）Ｍ４ａに嵌合さ１＋、この環状ピストン４の摺
動に伴ってビー１゛保持部材９が半径方向に揺動される
。そして、上記のフランジ３の外周部と複数個のビード
保持部材９のリム９ａとにまたがってゴムシートからな
る円筒状のダイトフラムレが被装され、その外端部はリ
ング状の押さえ板１３によってフランジ３の外側面に固
定’Ｊｏｎ、その内端部はビード保持部材９に対応する
台形状の押ざえ板１４によってビード保持部）ｌＡ９の
内端面に固定きれる。A large number of U-shaped brackets 8 are provided on the inner surface of the outer periphery of the flange 8 and project inwardly and along the outer periphery at intervals of 11M. The base of 9 can be taken up by the bottle 10 so as to be able to swing freely.
When all of the heat retaining members 9 are located inward in the radial direction, Ell. The bead holding portion 4'A' is in contact with the inner surface in the same direction and the inner surface in the axial direction.
9 tri, arm 9b in the direction of ``1'1r'' at its base
The roller 11 attached to the tip of the arm 9b is fitted into the annular screw 1/4 (circumferential direction) M4a cut on the outer surface of the annular screw 1+, and the annular piston 4 slides. Along with the movement, the bead 1 holding member 9 is swung in the radial direction. Then, a cylindrical Daitoflame made of a rubber sheet is covered over the outer circumference of the flange 3 and the rims 9a of the plurality of bead holding members 9, and the outer end thereof is attached to the flange by a ring-shaped pressing plate 13. 3, and its inner end can be fixed to the inner end surface of the bead holding part 1A9 by a trapezoidal presser plate 14 corresponding to the bead holding member 9.
１だ、フランジ３の内周側外面には環状体３ｂ、が同心
状に突設されている。この環状体３ｂの外面は円錐面に
形成され、内周面に２昭の突起３０％３ｃが上下対向状
に設けられ（第２図参照）、この突起３ｃの中央に環状
体３ｂを」二下に貫通する断面長方形のガイド孔３ｄお
よびこのガイド孔３ｄの左右に位置する凹孔３θ、３θ
がそれぞれ穿設され、」−記のガイド孔３ｄにほぼＴ字
形のロックビン１５が半径方向内方から外向きに、かつ
摺動自在に挿入される。このロックピン１５のアーム１
５ａと前記の突起３Ｃの凹孔３ｅとの間にコイルスプリ
ング１６か縮装されてロックピン１５が半径方向内方に
伺勢され、ロックピン１５の内方端にローラ１７か取付
けられ、ロックピン１５の外ｉＭｉ Ｋ削設さＪｌた″
１′径方向の長溝１５ｂに、上記の突起３Ｃに固定芯ね
て内方へ突出する止めビン１８の先端が摺動自在に嵌合
され、ロックピン１５の脱落および回転を防１１してい
る。1. An annular body 3b is concentrically protruded from the outer surface of the inner peripheral side of the flange 3. The outer surface of this annular body 3b is formed into a conical surface, and two protrusions 30% 3c are provided on the inner circumferential surface in a vertically opposing manner (see Fig. 2), and the annular body 3b is provided in the center of this protrusion 3c. A guide hole 3d with a rectangular cross section that penetrates downward, and recessed holes 3θ, 3θ located on the left and right of this guide hole 3d.
are respectively drilled, and a substantially T-shaped lock bin 15 is slidably inserted into the guide hole 3d from the inside in the radial direction to the outside. Arm 1 of this lock pin 15
A coil spring 16 is compressed between the concave hole 3e of the protrusion 3C and the lock pin 15 is biased radially inward, and a roller 17 is attached to the inner end of the lock pin 15 to lock it. Removed the outside of pin 15.
1' The tip of a lock pin 18, which is fixedly fixed to the projection 3C and projects inward, is slidably fitted into the long groove 15b in the radial direction, thereby preventing the lock pin 15 from falling off and rotating. .
一方、左方のテールストック（図示さ）１てイナい）に
摺動自在に装着された中空のテールストック外軸１９の
中心孔１９ａにテールストック外軸加か挿入され、その
端部付近かボールヘアリング２＋’ Ｋよって支持され
、上記テールストック内軸カの端部に固着された円筒ブ
ロックηの主軸側端部（右側端部）に円錐カム器が固定
され、この内金１しカム乙の外側円錐面に上記ロックピ
ン１５のローラ１７か当接され、円錐カム田の外側円錐
面の大径部に−に記ローラ１７が接したときにロックピ
ン１５の外方端が環状体３ｂの外面に突出し、円ａｆカ
ムｚ３の外側円錐面の小径部に上記ローラ１７が当接し
たときにロックピン１５の外方端が環状体３ｂの外面か
ら内方へ引込むようになっている。そして、上記円筒ブ
ロックηの外面にコーン形フランジ消のボス部２４ａが
摺動自在に嵌装され、上記ボス部２４ａの左Ｑ １ｆｌ
ｌに穿設された複数個の軸方向穴２４ｂと上記円ｆ、’
ｉｉブロックηの左側端部にフランジ状に固定されたば
ね受け板２５七の間に複数個のコイルスプリング局か縮
装され、コーン形フランジ冴が主軸１の方向にイ」勢さ
れる。このコーン形フランジＵの外）１１・］ ：ｔ＋
Ｓ内面には、中間リングηを介してコーン状のビー１゛
受金路が固着され、中間リングηの円錐形内向が前記環
状体３ｂの円錐形外面と１β；合し、中間リングＩの内
面に削設した環状溝２７ａに前記ロックピン］５の先端
か係合し、ビード受金公の内方端か一次成形タイヤＧの
ビード部Ｇａの外側面を押Ｉ（−するようになっている
。On the other hand, the tailstock outer shaft is inserted into the center hole 19a of the hollow tailstock outer shaft 19 that is slidably attached to the left tailstock (not shown), and the tailstock outer shaft is inserted near the end A conical cam device is fixed to the main shaft side end (right end) of the cylindrical block η, which is supported by the ball hair ring 2+'K and fixed to the end of the tailstock inner shaft member. When the roller 17 of the lock pin 15 is brought into contact with the outer conical surface of B, and the roller 17 shown in - is brought into contact with the large diameter portion of the outer conical surface of the conical cam field, the outer end of the lock pin 15 will form an annular body. The lock pin 15 protrudes from the outer surface of the annular body 3b, and when the roller 17 comes into contact with the small diameter portion of the outer conical surface of the circular af cam z3, the outer end of the lock pin 15 is retracted inward from the outer surface of the annular body 3b. A cone-shaped flange-shaped boss portion 24a is slidably fitted on the outer surface of the cylindrical block η, and a left Q 1fl of the boss portion 24a is fitted.
A plurality of axial holes 24b drilled in l and the circles f,'
(ii) A plurality of coil springs are compressed between spring receiving plates 257 fixed in the form of a flange to the left end of the block η, and the cone-shaped flange is urged in the direction of the main shaft 1. Outside this cone-shaped flange U)11・] :t+
A cone-shaped bead receiving path is fixed to the inner surface of S through an intermediate ring η, and the conical inward direction of the intermediate ring η meets the conical outer surface of the annular body 3b, and the conical outer surface of the intermediate ring I The tip of the lock pin 5 engages with the annular groove 27a cut on the inner surface, and pushes the inner end of the bead holder or the outer surface of the bead portion Ga of the primary formed tire G. ing.
なＪ３、ヘッドストック側にはスリーブ（図示さ〕７て
いない）か主１ＩＱ１１１υこスｊして摺動自在に嵌装
きＪｌ・このスリーブに上記ゾールストック側の左側ブ
ロック２と対称的に右側ブロックが固定され、この右側
ブロックに、γ−ルストソク側と同様のフランジ３、環
状シリンダ８ａ−、環状ピストン４、スプリングホルダ
５、コイルスブリジグ６．０字ブラケット８、ビード保
持部材９、ビン１０、ローラ１１、ダイトフラム１２、
押さえ板１３．１４か固定キれ、また形成される。たた
し、環状体３１）にロックピン１５や止めビン謁は設け
られず、環状体３ｈに中間リングηを介してビード受金
田が固着さね、コーン形フランジ別が省略される。なお
Ｊだ、第１図の円筒ブロック２２において、２２ａおよ
びｎｈは、それぞれクッション板である。J3, a sleeve (not shown) is fitted on the headstock side so that it can slide freely.This sleeve has a right side block 2 symmetrically to the left side block 2 on the Sol stock side. The block is fixed, and this right block includes a flange 3 similar to the γ-rust sock side, an annular cylinder 8a, an annular piston 4, a spring holder 5, a coil subrig jig 6.0-shaped bracket 8, a bead holding member 9, a bottle 10, and a roller. 11, Diteflam 12,
The holding plates 13 and 14 are fixed and formed again. However, the annular body 31) is not provided with a lock pin 15 or a lock pin, the bead receiving metal field is fixed to the annular body 3h via the intermediate ring η, and a cone-shaped flange is omitted. In addition, in the cylindrical block 22 of FIG. 1, 22a and nh are cushion plates, respectively.
」−記の構清において、左イコのブロック２を近接させ
てビード保持部拐９のリム９ａの外側間隔に一次成形タ
イヤＧのビード部Ｇａの内側曲曲隔、１りも若干狭く設
定し、左右の環状シリフグ３ａ庖大気に連通し、フィル
スプリング６のφ１すＪによって環状ピストン４を環状
シリング３ａσ）外方端に位置させ、これによってビー
ド保持１７１；利９のリノ・９ａの外径を」二記−次成
形タイヤＧのビー１’ ：’＋：； ＬＪ ）１の内径
よりも小さく設定する。一方、デールスｌツク外軸１９
をテールストック内軸側と共ＫＡ方の待機位置に移動さ
せ、テールストック外軸】９に取イζ１けられたビード
受金塾の端部と上記の左側ブロック２に固定されたフラ
ンジ３の環状体３ｂの端部との間隔を上記−吹成形タイ
ヤＧの幅（軸方向の長さ）よりも広く設定する。なお、
ビード受金路カ固定されたコーン形フランジＵのボス部
２Ａａは、フィルスプリングあで右方へ押され円筒ブロ
ックρの右端に位置し−Ｃいる。In the configuration described above, the blocks 2 on the left side are brought close to each other, and the distance between the inner curves of the bead portion Ga of the primary molded tire G is slightly narrower by 1 than the outer distance of the rim 9a of the bead holding portion 9. , the left and right annular cylinders 3a communicate with the atmosphere, and the fill spring 6 φ1J positions the annular piston 4 at the outer end of the annular cylinder 3aσ), thereby holding the bead 171; is set smaller than the inner diameter of B1':'+:;LJ)1 of the next formed tire G. On the other hand, the outer shaft 19
Move both the inner shaft of the tailstock to the standby position on the KA side, and then connect the end of the bead holder attached to the outer shaft of the tailstock [9] and the flange 3 fixed to the left block 2 above. The distance between the annular body 3b and the end thereof is set to be wider than the width (axial length) of the blow-molded tire G. In addition,
The boss portion 2Aa of the cone-shaped flange U to which the bead receiving path is fixed is pushed to the right by the fill spring and is located at the right end of the cylindrical block ρ.
この状態で、−吹成形タイヤＧをテールストック側のヒ
ート受金列と環状体３ｂとの間から左右のビー１゛保持
部拐９上に装入し、左右の環状シリング３ａに圧縮空気
を過大して環状ピストン４を押出し、ビード保持部材９
を回動させてリム９ａの直１′ｆ：を拡大し、ＩＪ Ｊ
、９ａを被覆するダイヤフラムＬの表向の外径を一次成
形タイヤＧのビード部Ｇ’ａの内径にほぼ一致させる。In this state, the blow-molded tire G is inserted between the heat receiver row on the tailstock side and the annular body 3b onto the left and right bead 1' holding part 9, and compressed air is supplied to the left and right annular cylinders 3a. The annular piston 4 is pushed out with excessive force, and the bead holding member 9
Rotate to enlarge the straight 1'f: of the rim 9a, and
, 9a, the outer diameter of the diaphragm L on the surface thereof is made to substantially match the inner diameter of the bead portion G'a of the primary molded tire G.
これとほぼ同時に、左右のブロック２を外方へ移動して
その間隔を広げ・−吹成形タイヤＧのビード部Ｇａに上
記のリム９ａを、その上面のダイヤフラムνを介して気
密に嵌合する。このとき、右方のヘッドストック側のビ
ード部Ｇａは、右方のリム９ａとビード受金あの先端と
の間に挾まれる。At almost the same time, the left and right blocks 2 are moved outward to widen the gap between them.--The above-mentioned rim 9a is airtightly fitted to the bead portion Ga of the blow-molded tire G via the diaphragm ν on its upper surface. . At this time, the bead portion Ga on the right headstock side is sandwiched between the right rim 9a and the tip of the bead receiver.
次いで、テールストック外軸１９を戸−ルスト゛ツク内
軸加と共に右方の主軸１側へ摺動させる２、中間リング
ηの円錐形内面が主軸１と一体の環状体３ｂの円錐形外
面に嵌合すると共に、ビル１″受金路の端部が一次成形
タイヤＧのビード部Ｇａσ〕外側面に抑圧きれ、これに
よってコーン形フランジ別の移動が停止ずろ。このとき
、コーン形フランジ別のボス部２４ａは、前記のとおり
円筒プロ・りρの右端に位置し、この円筒ブロック乙に
固定された円錐カム器の先端小径部がロックビン１５の
ローラ１７に接しているが、上記のデールス）ツク外軸
１９が引続き右方へ摺動することにより、コーン形フラ
ンジ々のボス部２４ａのフィルスブリノブ謳が圧縮され
、円錐カム路がローラ１７を介して１」ツクビン１５を
半径方向外向きに押出し、その先ｆ１８がコーン形フラ
ンジ冴に固定されている中間リングｎの環状溝２７ａ内
に進入し、中間リング２１および環状体３ｂがロックピ
ン１５によって結合さｈる。Next, the tail stock outer shaft 19 is slid toward the right main shaft 1 side while the door stock inner shaft is added. 2. The conical inner surface of the intermediate ring η fits into the conical outer surface of the annular body 3b integrated with the main shaft 1. At the same time, the end of the receiving path of the building 1'' is pressed against the outer surface of the bead portion Gaσ] of the primary molded tire G, and this causes the cone-shaped flange to stop moving. At this time, the cone-shaped flange's boss portion As mentioned above, 24a is located at the right end of the cylindrical block ρ, and the small diameter part of the tip of the conical cam device fixed to this cylindrical block B is in contact with the roller 17 of the lock bin 15. As the shaft 19 continues to slide to the right, the filsbur knobs of the bosses 24a of the cone-shaped flanges are compressed, and the conical cam path pushes the pin 15 radially outward via the roller 17. , the tip f18 enters the annular groove 27a of the intermediate ring n fixed to the cone-shaped flange, and the intermediate ring 21 and the annular body 3b are coupled by the lock pin 15.
換言すれば、主軸１にテールストック側のビード受金あ
が一体に結合される。In other words, the bead holder on the tailstock side is integrally connected to the main shaft 1.
」二記の結合が終ると、主軸１の通気孔１ｂから一次成
形タイヤＧの内部空間に圧縮空気を送入しなから左右の
ブロック２を互いに接近させてその間隔を縮めることに
より、−吹成形タイヤＧをト１」イダル状に膨張させる
。このとき、−吹成形タイヤＧのビード部Ｇａがビード
受金２８によってビード保持部材９のリム９ａＫ押圧さ
れているので、」二記のビード部Ｇａのリム９ａに対す
る不規則な１°１１りか抑制され、ビードワイヤの配列
に乱れの生じるのが防止される。また、ビード部Ｇａの
外側面にビード受金２８が押圧されるので、ビード部Ｏ
ａの間隔か一次成形タイヤＧの幅よりも狭くなる程度に
寸で左右のリム９ａを接近させ、換言すれば円筒形の一
次成杉タイヤＧの断面形状が半円形を過ぎてΩ字形にな
る程度にまで変形して一次成形りイヤＧの頂部の形状を
、これに接着されるベルト、１３よびトレッドキャップ
の内面形状に添い易くすることが容易である。そして、
上記のように左右のリム９ａを近接させたときに生じる
大きい軸方向の圧力を、ロックピン１５を介してフラン
ジ３の環状体３ｂによって受けるので、従来のようにテ
ールストック外軸】９の駆動ｆｌ＋υに大きい力が（’
＋用することはなく、駆動側の形状をづ・型にすること
ができる。After the above connection is completed, compressed air is introduced into the internal space of the primary molded tire G from the ventilation hole 1b of the main shaft 1, and the left and right blocks 2 are moved closer to each other to reduce the distance between them. The molded tire G is expanded into a toroidal shape. At this time, since the bead portion Ga of the blow-molded tire G is pressed against the rim 9aK of the bead holding member 9 by the bead support 28, the irregular 1°11 angle of the bead portion Ga with respect to the rim 9a is suppressed. This prevents the bead wires from becoming disordered. Also, since the bead receiver 28 is pressed against the outer surface of the bead portion Ga, the bead portion O
The left and right rims 9a are brought close to each other by a distance such that the distance a is narrower than the width of the primary molded tire G. In other words, the cross-sectional shape of the cylindrical primary molded cedar tire G passes through a semicircle and becomes Ω-shaped. It is easy to deform the shape of the top part of the primary molded ear G to a certain extent to easily conform to the inner shape of the belt, 13, and tread cap to be adhered thereto. and,
As described above, the large axial pressure generated when the left and right rims 9a are brought close to each other is received by the annular body 3b of the flange 3 via the lock pin 15, so that the tailstock outer shaft 9 can be driven as before. There is a large force on fl+υ ('
There is no need to use +, and the shape of the drive side can be made into a Z-type.
上記の実施例において、ビード保持部材９の形状や揺動
機構は、リム９ａの直径を拡大、縮小できるものであれ
ば適宜に変更することができる。In the embodiments described above, the shape and swing mechanism of the bead holding member 9 can be changed as appropriate as long as the diameter of the rim 9a can be increased or decreased.
また、中間リング！と環状体３ｈとを結合−４゛るロッ
クピン１５は、３個以上でもよい。Also, the middle ring! The number of lock pins 15 that connect the annular body 3h to the annular body 3h may be three or more.
以上に説明したようにこの発明は、ゾールストック軸に
取イづけたビード受金上主軸のゾールストック側端部と
をテールストック１１１１ｂの摺動に伴って機械的に結
合するようにしたものであるから、−吹成形タイヤをト
ロイダル状に変形するに際Ｌ１ビード部の間隔をタイヤ
幅よりも狭くすることができ、そのためトレンドキャッ
プやベル！・との接着が容易となり、かつテールストッ
ク側の駆動部に過大な負荷が加わらないので、装置を小
型にすることができる。As explained above, in this invention, the end of the bead receiver upper main shaft attached to the sol stock shaft is mechanically connected to the sol stock side end as the tail stock 1111b slides. - When transforming a blown-molded tire into a toroidal shape, the interval between the L1 bead parts can be made narrower than the width of the tire, making it possible to create trend caps and bells!・The device can be made smaller because it is easier to adhere to the tailstock and no excessive load is applied to the drive section on the tailstock side.
第１図はこの発明の実施例の垂直切断正面図、第２図は
第１ＵＡの■−■線断面図である。
ロ −次成形タイヤ、Ｇａ°ビード部、１：主軸、３ｂ
＋Ｆ４状体、９：ビード保持部４ン、９ａ ：リム、１
５．ロックピン、１９：デールスト′ツク外１１ｊｂ、
２０：テールストソク内軸、２３二円鍾カム、２７＝中
間リング、あ、ビード受金。
特許出願人 東洋ゴム］二業株式会社
代理人 弁理士 坂 野 威 大
吉 １］」 丁 司FIG. 1 is a vertically cut front view of an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line ■-■ of the first UA. Low-second molded tire, Ga° bead part, 1: Main shaft, 3b
+F4-shaped body, 9: Bead holding part 4, 9a: Rim, 1
5. Lock pin, 19: Dale strike outside 11jb,
20: Tail strike inner shaft, 23 two-ring cam, 27 = intermediate ring, ah, bead receiver. Patent applicant: Toyo Tire & Rubber] Nigyo Co., Ltd. Agent: Patent attorney Takeshi Sakano Daikichi 1] Tsukasa Ding
Claims (1)
１Ｉｑｌ＋方向内面に接する断面り字形のリムと、上記
ビード部の１ｌｊｌ＋方向外面に接するビード受金とを
備え、ヘッドストック側のビード受金が主軸に固＞Ｊ’
、 ”：Ｊれ、テールス）・ツク側のビード受金が上記
主軸方向に摺動自１′Ｌのテールストック軸に固定され
たタイヤ成形フォーマにおいて、上記テールストック側
のビード受金および主軸の端部を、テールストック軸の
摺動に連動して半径方向に摺動する少なくとイ）２本の
ロックピンによって結合するようにしたことを特徴とす
るタイ−１・成形フォーマ。 〔２〕ロツクピンが主軸の端部に突設された環状体に放
射状に取付けられ、ビード受金には上記の環状体の内方
および外方にそれぞれ位置する円錐力１１および中間リ
ングが固定されており、上記のロックビンが円錐カムに
Ｊ：つて外方へ押上げられてその外方端部が中間リング
内面の型状ＩＩＮ Ｋ係合される特許請求の範１７＋１
第１項記載のタイヤ成形フォーマ。 〔３〕ロツクビンの内方端にローラか取＋ＪけうＪｌて
いる特許請求の範囲第２項記載のタイヤ成形フメーマ。 〔４〕環状体の外面と中間リンｈ゛の内面か互いに嵌合
する円錐面に形成されている特許請求の範囲第２項また
は第８項記載のタイ−）・成形フォーマ。[Scope of Claims] [1] - A rim having a cross-sectional shape that is in contact with the radial inner surface and the 1Iql+ direction inner surface of the bead portion of a blow-molded tire, and a bead holder that is in contact with the 1ljl+ direction outer surface of the bead portion, and a head The bead holder on the stock side is fixed to the main shaft>J'
In a tire forming former in which the bead holder on the side is fixed to the tailstock shaft of the motor 1'L that slides in the direction of the main shaft, the bead holder on the tailstock side and the main shaft are fixed. Tie-1/former, characterized in that the ends are connected by at least a) two lock pins that slide in the radial direction in conjunction with the sliding of the tailstock shaft. [2] Lock pins are radially attached to an annular body protruding from the end of the main shaft, and a conical force 11 and an intermediate ring located inside and outside the annular body, respectively, are fixed to the bead receiver, Claim 17+1: The lock pin is pushed outward by the conical cam, and its outer end is engaged with the shape of the inner surface of the intermediate ring.
The tire forming former according to item 1. [3] The tire molding machine according to claim 2, wherein a roller handle is provided at the inner end of the lock bin. [4] The tie and molding former according to claim 2 or 8, wherein the outer surface of the annular body and the inner surface of the intermediate ring h are formed into conical surfaces that fit into each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58151860A JPS6044329A (en) | 1983-08-19 | 1983-08-19 | Tire molding former |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58151860A JPS6044329A (en) | 1983-08-19 | 1983-08-19 | Tire molding former |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6044329A true JPS6044329A (en) | 1985-03-09 |
| JPS6348700B2 JPS6348700B2 (en) | 1988-09-30 |
Family
ID=15527822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58151860A Granted JPS6044329A (en) | 1983-08-19 | 1983-08-19 | Tire molding former |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6044329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2749536A1 (en) * | 1996-06-11 | 1997-12-12 | Michelin & Cie | DRUM FOR ASSEMBLING A TIRE |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325580A (en) * | 1976-08-09 | 1978-03-09 | Heumann Ludwig & Co Gmbh | Production of 2*44diaminoo55 *3**4**5**trimethoxybenzyl** pirimidine |
-
1983
- 1983-08-19 JP JP58151860A patent/JPS6044329A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325580A (en) * | 1976-08-09 | 1978-03-09 | Heumann Ludwig & Co Gmbh | Production of 2*44diaminoo55 *3**4**5**trimethoxybenzyl** pirimidine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2749536A1 (en) * | 1996-06-11 | 1997-12-12 | Michelin & Cie | DRUM FOR ASSEMBLING A TIRE |
| WO1997047463A1 (en) * | 1996-06-11 | 1997-12-18 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Tyre assembly drum |
| US6234227B1 (en) | 1996-06-11 | 2001-05-22 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Tire assembly drum |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6348700B2 (en) | 1988-09-30 |
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