JP3439394B2 - Connecting structure of tire building drum, tire building apparatus provided with the same, and drum attaching / detaching apparatus - Google Patents
Connecting structure of tire building drum, tire building apparatus provided with the same, and drum attaching / detaching apparatusInfo
- Publication number
- JP3439394B2 JP3439394B2 JP24622399A JP24622399A JP3439394B2 JP 3439394 B2 JP3439394 B2 JP 3439394B2 JP 24622399 A JP24622399 A JP 24622399A JP 24622399 A JP24622399 A JP 24622399A JP 3439394 B2 JP3439394 B2 JP 3439394B2
- Authority
- JP
- Japan
- Prior art keywords
- drum
- tire forming
- tire
- ring cam
- separation
- 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
Links
- 238000000926 separation method Methods 0.000 claims description 46
- 230000002265 prevention Effects 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Tyre Moulding (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明はタイヤ成形用ドラ
ムの連結構造及びそれを備えたタイヤ成形装置並びにド
ラム脱着装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire forming drum connecting structure, a tire forming apparatus including the same, and a drum attaching / detaching apparatus.
【０００２】[0002]
【従来の技術】自動車の車軸に装着されるタイヤは、車
種、大きさに応じて種々変更される。近年、タイヤは多
品種少量生産される傾向にあり、旋回するボックス上に
複数のタイヤ成形用ドラムを装着したタイヤ成形装置が
提案されている。このタイヤ成形装置として、特公平５
−４１４２３号公報に示すものが提案されている。この
タイヤ成形装置はタイヤ成形用ドラム上でベルト、キャ
ッププライ及びトレッドキャップを順に積層しながら貼
り合わせ、得られた積層体をシェービングドラムに搬送
して該シェービングドラム上でトロイダル状に変形され
ている一次カーカスの外面に貼り合わせるようになって
いる。2. Description of the Related Art Tires mounted on an axle of an automobile are variously changed according to the type and size of the vehicle. In recent years, tires tend to be produced in small quantities in various types, and a tire forming apparatus has been proposed in which a plurality of tire forming drums are mounted on a rotating box. As this tire forming device,
The one shown in Japanese Patent No. 41423 has been proposed. This tire forming apparatus is configured by laminating a belt, a cap ply, and a tread cap on a tire forming drum in this order, conveying the obtained laminated body to a shaving drum, and deforming the toroidal shape on the shaving drum. It is designed to be attached to the outer surface of the primary carcass.
【０００３】又、タイヤ成形用ドラムを２台、１８０°
ずつ間欠的に旋回する旋回ボックス上にその回転中心に
対して対称に配置し、静止位置の一方のタイヤ成形用ド
ラムに対向してベルト原反供給用のサービストレー及び
トレッド供給用のトレッドフィーダをそれぞれ設置して
いる。さらに、静止位置の他方のタイヤ成形用ドラムに
対応して、該タイヤ成形用ドラム上のベルト表面にキャ
ッププライ用リボンをコイル状に巻回してキャッププラ
イを成形するためのキャッププライ成形装置を設け、か
つ前記静止位置の一方のタイヤ成形用ドラムと前記シェ
ービングドラムとの間に前記積層体の搬送装置を設けて
いる。Two tire forming drums, 180 °
They are arranged symmetrically with respect to the center of rotation on a revolving box that intermittently revolves, and a service tray for belt material supply and a tread feeder for tread supply are provided facing one tire forming drum in a stationary position. Each is installed. Further, a cap ply forming device for forming a cap ply by winding a cap ply ribbon in a coil shape on the surface of the belt on the tire forming drum is provided corresponding to the other tire forming drum in the stationary position. Further, a conveying device for the laminated body is provided between the tire forming drum and the shaving drum at one of the stationary positions.
【０００４】[0004]
【発明が解決しようとする課題】前記従来のタイヤ成形
装置においては、前記旋回ボックス上のタイヤ成形用ド
ラムを支持して回転する一対の主軸と、タイヤ成形用ド
ラムの回転軸の連結構造が次のように構成されていた。
即ち、主軸の先端部とタイヤ成形用ドラムの回転軸の先
端部にそれぞれフランジ継手が設けられ、両フランジ継
ぎ手はボルトとナットにより締め付け固定されていたの
で、タイヤ成形用ドラムの交換作業に多大な時間を要す
るという問題があった。特に複数のタイヤ成形用ドラム
を装着したタイプのタイヤ成形装置においては、タイヤ
交換作業時間が複数倍になり、タイヤ製造作業の稼働率
を低下させる結果となっている。SUMMARY OF THE INVENTION In the conventional tire forming apparatus, the structure for connecting a pair of main shafts that support and rotate the tire forming drum on the swivel box to the rotating shaft of the tire forming drum is as follows. Was configured like.
That is, since flange joints are provided at the tip of the main shaft and the tip of the rotary shaft of the tire-forming drum, respectively, and both flange joints are fastened and fixed by bolts and nuts, it is very necessary for the tire-forming drum replacement work. There was a problem that it took time. In particular, in a tire forming apparatus of the type in which a plurality of tire forming drums are mounted, the tire replacement work time is multiple times, resulting in a decrease in the operation rate of the tire manufacturing work.
【０００５】この発明の目的は、上記従来の技術に存す
る問題点を解消して、タイヤ成形用ドラムの交換作業時
間を短縮して、タイヤ製造作業の能率を向上することが
できるタイヤ成形用ドラムの連結構造及びそれを備えた
タイヤ成形装置を提供することにある。An object of the present invention is to eliminate the problems existing in the above-mentioned prior art, shorten the time for exchanging the tire forming drum, and improve the efficiency of tire manufacturing operation. To provide a connecting structure and a tire forming apparatus including the connecting structure.
【０００６】この発明の別の目的は、タイヤ成形用ドラ
ムの交換作業を自動的に行うことができるタイヤ成形用
ドラムの脱着装置を提供することにある。Another object of the present invention is to provide a tire forming drum attaching / detaching device capable of automatically performing a tire forming drum replacing operation.
【０００７】[0007]
【課題を解決するための手段】上記問題点を解決するた
めに、請求項１に記載の発明は、タイヤ成形装置の旋回
ドラム駆動ボックスに支持された複数の主軸に先端ほど
大径となるテーパ穴を設け、一方、タイヤ成形用ドラム
（１６， １７）のドラム本体を支持する軸筒に対し前
記テーパ穴に嵌入される先端ほど小径となるテーパ軸筒
を設け、主軸とテーパ軸筒との間に、テーパ軸筒がテー
パ穴から離脱するのを阻止するための離脱阻止位置と離
脱許容位置との間で切り換えられる閂を備えた離脱阻止
機構を設け、該閂はタイヤ形成用ドラムのテーパ軸筒に
設けた離脱阻止部に係合・離脱可能に構成されており、
同じく主軸とテーパ軸筒との間に、主軸とテーパ軸筒の
相対回動を阻止する相対回動阻止機構を設け、前記離脱
阻止機構には、該離脱阻止機構を離脱阻止位置と離脱許
容位置との間で閂の位置を切り換えるための切換操作手
段を設けていることを要旨とする。In order to solve the above problems, the invention according to claim 1 is such that a plurality of main shafts supported by a swiveling drum drive box of a tire forming apparatus have a taper whose tip has a larger diameter. On the other hand, a hole is provided, and on the other hand, with respect to a shaft cylinder supporting the drum main body of the tire forming drum (16, 17), a taper shaft cylinder having a diameter smaller toward the tip fitted into the taper hole is provided, and the main shaft and the taper shaft cylinder are connected. In between, the taper barrel is separated from the separation prevention position to prevent it from separating from the taper hole.
A separation prevention mechanism having a bar that can be switched between the disengagement allowable position and the bar is provided on the taper shaft cylinder of the tire forming drum.
It is configured so that it can be engaged / disengaged with the disengagement prevention part provided.
Similarly, a relative rotation preventing mechanism for preventing relative rotation of the main shaft and the taper shaft cylinder is provided between the main shaft and the taper shaft cylinder, and the separation prevention mechanism includes the separation prevention mechanism and the separation prevention position. The gist is to provide a switching operation means for switching the position of the barb between and.
【０００８】請求項２に記載の発明は、請求項１におい
て、前記離脱阻止機構は、主軸に取り付けられたリング
カムホルダと、該リングカムホルダに支持され、かつ主
軸の軸線の周りで往復回動可能に支持されたカム溝を有
するリングカムと、前記リングカムホルダの収容溝に設
けられ、かつリングカムの回動によりカム溝に係留した
カムフォロアにより離脱阻止位置と離脱許容位置との間
で切り換えられる閂と、該閂はタイヤ成形用ドラム（１
６, １７）の軸筒に設けた離脱阻止部に係合・離脱可能
に構成されていることと、リングカムホルダとリングカ
ムとの間に設けられ、かつ常にはリングカム及び閂を離
脱阻止位置へ付勢する付勢手段とにより構成され、前記
切換操作手段は、前記リングカムに設けられた操作レバ
ーであって、前記リングカムを前記付勢手段の付勢力に
抗して離脱阻止位置から離脱許容位置へ回動可能に構成
されていることを要旨とする。According to a second aspect of the present invention, in the first aspect, the disengagement prevention mechanism is a ring cam holder attached to the main shaft, and is supported by the ring cam holder, and reciprocates around the axis of the main shaft. A ring cam having a movably supported cam groove and a cam follower provided in the housing groove of the ring cam holder and moored in the cam groove by the rotation of the ring cam are switched between the separation preventing position and the separation allowing position. The bar and the bar are tire forming drums (1
6 and 17) is configured to be engageable with and disengageable from the disengagement prevention portion provided on the shaft cylinder, and is provided between the ring cam holder and the ring cam, and the ring cam and the bar are always at the disengagement prevention position. The switching operation means is an operation lever provided on the ring cam, and the switching operation means moves the ring cam from the separation preventing position to the separation permitting position against the urging force of the urging means. The gist is that it is configured to be rotatable.
【０００９】請求項３に記載の発明は、請求項２におい
て、前記相対回動阻止機構は、リングカムホルダに形成
した膨出部と、テーパ軸筒側に形成され、かつ前記膨出
部に係合される回り止め凹部とにより構成されているこ
とを要旨とする。According to a third aspect of the present invention, in the second aspect, the relative rotation preventing mechanism is formed on the bulging portion formed on the ring cam holder and on the taper shaft cylinder side, and the bulging portion is formed. The gist of the present invention is that it is configured with a detent recess that is engaged.
【００１０】請求項４に記載の発明は、請求項１に記載
のタイヤ成形用ドラムの連結構造を備えたタイヤ成形装
置であって、ベッドの上面にはコラムが支持され、該コ
ラムの前面には旋回ドラム駆動ボックスが水平な回転軸
を中心に１８０°毎の間欠回転可能に装着され、前記旋
回ドラム駆動ボックスに回転軸と平行に、かつ回転軸を
中心に対称な位置に設けた一対の主軸には、第１タイヤ
成形用ドラムと第２タイヤ成形用ドラムが互いに平行
に、かつそれぞれ取り外し可能に装着され、前記両タイ
ヤ成形用ドラムは、旋回ドラム駆動ボックスの旋回動作
によりタイヤ成形作業位置とドラム交換作業位置との間
で位置切り換え可能に構成されていることを要旨とす
る。According to a fourth aspect of the present invention, there is provided a tire forming apparatus including the connecting structure for the tire forming drum according to the first aspect, wherein a column is supported on the upper surface of the bed and the front surface of the column is provided. Is a rotating shaft with a rotating drum drive box
It is mounted so that it can rotate intermittently every 180 ° around the center of the
The first tire forming drum and the second tire forming drum are parallel to each other on a pair of main shafts provided symmetrically with respect to the center.
In addition, each of the two tire forming drums is configured to be switchable between a tire forming work position and a drum replacing work position by a turning operation of a turning drum drive box. And
【００１１】請求項５に記載の発明は、請求項１に記載
のタイヤ成形装置のタイヤ成形用ドラムを脱着するドラ
ム脱着装置であって、該脱着装置は台車と、該台車に装
着された前後方向に往復動される前後動サドルと、該前
後動サドルに昇降可能に装着されたドラム受け本体とを
備え、該ドラム受け本体は、タイヤ成形用ドラムを所定
位置に支持するドラム受けを備えるとともに、前記離脱
阻止機構の切換操作手段を作動する駆動機構を備えてい
ることを要旨とする。A fifth aspect of the present invention is a drum attaching / detaching device for attaching / detaching a tire forming drum of the tire forming apparatus according to the first aspect, wherein the attaching / detaching device is a bogie and front and rear mounted on the bogie. And a drum receiver main body mounted to the longitudinal saddle so as to be vertically movable. The drum receiver main body includes a drum receiver for supporting the tire forming drum at a predetermined position. The gist of the present invention is to include a drive mechanism for operating the switching operation means of the separation prevention mechanism.
【００１２】請求項６に記載の発明は、請求項５におい
て、ドラム受け本体は、テーパ軸筒をテーパ穴から離脱
する際に、テーパ軸筒に対し引き離し力を付与する手段
を備えていることを要旨とする。According to a sixth aspect of the present invention, in the fifth aspect, the drum receiving main body is provided with means for applying a separating force to the tapered shaft cylinder when the tapered shaft cylinder is separated from the tapered hole. Is the gist.
【００１３】[0013]
【発明の実施の形態】以下、この発明を具体化したタイ
ヤ成形装置を図１〜図７に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION A tire forming apparatus embodying the present invention will be described below with reference to FIGS.
【００１４】図６はタイヤ成形装置１１と、該タイヤ成
形装置１１に装着されるタイヤ成形用ドラム１６（１
７）のドラム脱着装置Ｋ３の概略構成を示すものであ
る。タイヤ成形装置１１のベッド１２の上面にはコラム
１３が立設され、該コラム１３には図７に示すように旋
回ドラム駆動ボックス１４が回転軸１５を中心に１８０
°毎の間欠回転可能に装着されている。前記旋回ドラム
駆動ボックス１４の前面には、第１タイヤ成形用ドラム
１６と第２タイヤ成形用ドラム１７が互いに平行に、か
つ取り外し可能に装着されている。FIG. 6 shows a tire building apparatus 11 and a tire building drum 16 (1 mounted on the tire building apparatus 11.
7 shows a schematic configuration of a drum attaching / detaching device K3 of 7). A column 13 is erected on the upper surface of the bed 12 of the tire forming apparatus 11, and a swiveling drum drive box 14 is provided on the column 13 as shown in FIG.
It is installed so that it can rotate intermittently every °. A first tire forming drum 16 and a second tire forming drum 17 are removably mounted on the front surface of the swiveling drum drive box 14 in parallel with each other.
【００１５】図１，２に示すように、前記旋回ドラム駆
動ボックス１４を構成するハウジング２１にはラジアル
ベアリング２２を介して一対の主軸２３，２３が所定位
置において回転可能に支持されている。第１及び第２タ
イヤ成形用ドラム１６，１７の主軸２３，２３に対する
連結構造は、同一構成となっているので、第１タイヤ成
形用ドラム１６の連結構造のみについて説明し、第２タ
イヤ成形用ドラム１７の連結構造については省略する。As shown in FIGS. 1 and 2, a pair of main shafts 23, 23 is rotatably supported at a predetermined position in a housing 21 constituting the rotary drum drive box 14 via a radial bearing 22. Since the connecting structures of the first and second tire forming drums 16 and 17 to the main shafts 23 and 23 have the same configuration, only the connecting structure of the first tire forming drum 16 will be described, and the second tire forming drums will be described. The connection structure of the drum 17 is omitted.
【００１６】前記主軸２３には先端ほど大径となるテー
パ状の嵌入穴（以下単にテーパ穴という）２３ａが形成
されている。前記主軸２３内には流体を前記第１タイヤ
成形用ドラム１６に供給するための配管２４が設けられ
ている。この配管２４の先端部外周面には雄スプライン
２４ａが形成されている。The main shaft 23 is formed with a tapered insertion hole 23a (hereinafter simply referred to as a tapered hole) having a larger diameter toward the tip. A pipe 24 for supplying a fluid to the first tire forming drum 16 is provided in the main shaft 23. A male spline 24a is formed on the outer peripheral surface of the tip portion of the pipe 24.
【００１７】第１タイヤ成形用ドラム１６は、図２に示
すように、ドラム本体２５と、該ドラム本体２５の中心
部に貫通固定された円筒状の軸筒２６と、該軸筒２６の
先端部外周に一体的に設けられた先端ほど小径となるテ
ーパ状の連結用軸筒（以下単にテーパ軸筒という）２７
とを備えている。前記軸筒２６の先端部外周には受承用
溝２８ａを有する軸筒２６よりも大径の受承リング部２
８が一体的に形成され、この受承リング部２８は後述す
るドラム脱着装置Ｋ３のＵ字型ドラム受け６１により受
承される。該受承リング部２８に近接してテーパ軸筒２
７の基端には離脱阻止部としての環状をなす離脱阻止突
条２９が一体的に突出形成され、テーパ穴２３ａに嵌入
されたテーパ軸筒２７が後述する離脱阻止機構Ｋ１の閂
３６，３７と協働して離脱するのを阻止する。前記軸筒
２６及びテーパ軸筒２７内には、主軸２３側の前記配管
２４から供給される流体をドラム本体２５内に導入する
ための配管３０が設けられ、該配管３０の先端内周面に
は前記雄スプライン２４ａに嵌合される雌スプライン３
０ａが形成されている。As shown in FIG. 2, the first tire forming drum 16 has a drum body 25, a cylindrical barrel 26 penetratingly fixed to the center of the drum body 25, and a tip of the barrel 26. A tapered connecting barrel (hereinafter referred to simply as a tapered barrel) 27 having a smaller diameter toward the tip integrally provided on the outer periphery of the portion.
It has and. The receiving ring portion 2 having a diameter larger than that of the shaft cylinder 26 has a receiving groove 28a on the outer periphery of the tip end of the shaft cylinder 26.
8 is integrally formed, and the receiving ring portion 28 is received by a U-shaped drum receiver 61 of a drum attaching / detaching device K3 described later. The taper shaft tube 2 is provided in the vicinity of the receiving ring portion 28.
An annular release preventing ridge 29 as a release preventing portion is integrally formed at the base end of the protrusion 7, and a taper shaft cylinder 27 fitted in the taper hole 23a is provided with a barb 36, 37 of a release preventing mechanism K1 described later. And prevent them from leaving. A pipe 30 for introducing the fluid supplied from the pipe 24 on the main shaft 23 side into the drum main body 25 is provided in the shaft cylinder 26 and the taper shaft cylinder 27, and the inner peripheral surface of the tip of the pipe 30 is provided. Is a female spline 3 fitted to the male spline 24a.
0a is formed.
【００１８】（タイヤ成形用ドラムの離脱阻止機構Ｋ
１）次に、図１〜図５により主軸２３のテーパ穴２３ａ
にテーパ嵌合されたテーパ軸筒２７が離脱するのを阻止
する離脱阻止機構Ｋ１を説明する。(Release prevention mechanism K for the tire forming drum)
1) Next, referring to FIGS. 1 to 5, a taper hole 23a of the spindle 23 is formed.
A detachment prevention mechanism K1 for preventing the taper shaft cylinder 27 that has been taper-fitted to be detached will be described.
【００１９】前記主軸２３の先端部外周に一体に形成し
た取付フランジ２３ｂには、リングカムホルダ３１が取
り付けられている。このリングカムホルダ３１は、切り
欠き円盤状の第１ホルダ片３２と第２ホルダ片３３とに
より分割構成され、両ホルダ片３２，３３は複数のボル
ト３４〜３４により、前記取付フランジ２３ｂに締め付
け固定されている。両ホルダ片３２，３３の間にはリン
グカム３５が主軸２３の軸線の回りで往復回動可能に支
持されている。即ち、前記第２ホルダ片３３の内側面に
は図１，２，５に示すようにリングカム３５の内周縁を
支持する支持リング部３３ａが一体に形成されている。
このリングカム３５には一対のカム溝３５ａ，３５ｂが
形成されている。A ring cam holder 31 is attached to a mounting flange 23b formed integrally with the outer periphery of the tip of the main shaft 23. The ring cam holder 31 is divided into a notched disk-shaped first holder piece 32 and a second holder piece 33, and both holder pieces 32, 33 are fastened to the mounting flange 23b by a plurality of bolts 34-34. It is fixed. A ring cam 35 is supported between the holder pieces 32 and 33 so as to be reciprocally rotatable around the axis of the main shaft 23. That is, the inner surface of the second holder piece 33 is integrally formed with a support ring portion 33a for supporting the inner peripheral edge of the ring cam 35 as shown in FIGS.
The ring cam 35 is formed with a pair of cam grooves 35a and 35b.
【００２０】一方、前記第１ホルダ片３２のリングカム
３５側の側面には前記カム溝３５ａ，３５ｂと対応し
て、第１及び第２閂収容溝３２ａ，３２ｂがリングカム
３５の径方向に形成されている。両収容溝３２ａ，３２
ｂには第１及び第２閂３６，３７が径方向の往復動可能
に収容されている。両閂３６，３７の外端寄り位置に
は、前記カム溝３５ａ，３５ｂに進入する第１及び第２
カムフォロア３８，３９が回転可能に軸支されている。On the other hand, on the side surface of the first holder piece 32 on the ring cam 35 side, first and second bartack receiving grooves 32a, 32b are formed in the radial direction of the ring cam 35 in correspondence with the cam grooves 35a, 35b. ing. Both accommodation grooves 32a, 32
In b, the first and second barbs 36 and 37 are housed so as to be reciprocally movable in the radial direction. At the positions near the outer ends of both barbs 36, 37, the first and second cam grooves 35a, 35b are inserted.
Cam followers 38 and 39 are rotatably supported.
【００２１】前記リングカム３５の内周縁側には、ばね
収容凹部３５ｃ，３５ｄが切り欠き形成され、両収容凹
部３５ｃ，３５ｄには第１及び第２圧縮ばね４０，４１
が収容されている。両圧縮ばね４０，４１の一端は、図
３，４に示すようにばね収容凹部３５ｃ，３５ｄの一端
に係止され、他端は前記第２ホルダ片３３に係止されて
いる。そして、前記両圧縮ばね４０，４１によりリング
カム３５が図３において時計回り方向に付勢され、両閂
３６，３７はそれらの内側の対向端縁が互いに接近し
て、タイヤ成形用ドラム１６の離脱阻止突条２９に係止
可能な位置へ付勢されている。Spring accommodating recesses 35c and 35d are formed in the inner peripheral edge of the ring cam 35 so that the first and second compression springs 40 and 41 are formed in the accommodating recesses 35c and 35d.
Is housed. As shown in FIGS. 3 and 4, one end of each of the compression springs 40 and 41 is locked to one end of the spring accommodating recesses 35c and 35d, and the other ends are locked to the second holder piece 33. The ring cam 35 is urged in the clockwise direction in FIG. 3 by the compression springs 40 and 41, the inner edges of the barbs 36 and 37 approach each other, and the tire forming drum 16 is removed. It is biased to a position where it can be locked by the blocking ridge 29.
【００２２】前記リングカム３５の下側には該カムを回
動操作する操作レバー４２がボルトにより固定され、該
操作レバー４２の下端部にはコロ４３が回転可能に軸支
されている。図３において操作レバー４２が反時計回り
方向に回動されると、図４に示すようにリングカム３５
が同方向に回動され、カム溝３５ａ，３５ｂによりカム
フォロア３８，３９を介して両閂３６，３７がタイヤ成
形用ドラム１６の離脱阻止突条２９に干渉しない離脱許
容位置へ移動される。An operation lever 42 for rotating the cam is fixed to the lower side of the ring cam 35 by a bolt, and a roller 43 is rotatably supported at the lower end of the operation lever 42. When the operation lever 42 is rotated counterclockwise in FIG. 3, the ring cam 35 is rotated as shown in FIG.
Is rotated in the same direction, and the cam grooves 35a and 35b move the two barbs 36 and 37 through the cam followers 38 and 39 to the disengagement allowance position where they do not interfere with the disengagement preventing projection 29 of the tire molding drum 16.
【００２３】この実施形態では前記操作レバー４２とコ
ロ４３によりリングカム３５を回動操作して両閂３６，
３７を図３に示す離脱阻止位置から図４に示す離脱許容
位置へ切り換え操作するための切換操作手段Ｍ１が構成
されている。
（相対回動阻止機構Ｋ２）次に、リングカムホルダ３１
と第１タイヤ成形用ドラム１６の軸筒２６との間に設け
られ、主軸２３のテーパ穴２３ａにテーパ軸筒２７が嵌
合された状態において、主軸２３とテーパ軸筒２７の相
対回転を阻止する相対回動阻止機構Ｋ２について説明す
る。In this embodiment, the ring cam 35 is rotatably operated by the operating lever 42 and the roller 43 so that both the bar 36,
A switching operation means M1 is configured to switch 37 from the separation preventing position shown in FIG. 3 to the separation allowing position shown in FIG. (Relative rotation prevention mechanism K2) Next, the ring cam holder 31
Is provided between the main shaft 23 and the shaft cylinder 26 of the first tire forming drum 16, and prevents relative rotation between the main shaft 23 and the taper shaft cylinder 27 in a state where the taper shaft cylinder 27 is fitted in the taper hole 23a of the main shaft 23. The relative rotation preventing mechanism K2 that operates will be described.
【００２４】前記第２ホルダ片３３の前面側には第１及
び第２膨出部３３ｂ，３３ｃが一体に形成されている。
第１タイヤ成形用ドラム１６の受承リング部２８の外周
二箇所には、前記両膨出部３３ｂ，３３ｃと対応して回
り止め凹部２８ｂ，２８ｃが切り欠き形成されている。
従って、第１タイヤ成形用ドラム１６のテーパ軸筒２７
が主軸２３のテーパ穴２３ａに嵌合された状態では、両
膨出部３３ｂ，３３ｃが回り止め凹部２８ｂ，２８ｃに
係合されて、主軸２３とタイヤ成形用ドラム１６の相対
回動が阻止される。
（第１タイヤ成形用ドラム１６のドラム脱着装置Ｋ３）
前記第１タイヤ成形用ドラム１６を支持して、主軸２３
のテーパ穴２３ａに対し第１タイヤ成形用ドラム１６の
テーパ軸筒２７を脱着するためのドラム脱着装置Ｋ３を
図１〜３及び図６により説明する。On the front side of the second holder piece 33, first and second bulging portions 33b and 33c are integrally formed.
At two locations on the outer circumference of the receiving ring portion 28 of the first tire molding drum 16, detent recesses 28b and 28c are cut out in correspondence with the bulging portions 33b and 33c.
Therefore, the taper shaft cylinder 27 of the first tire forming drum 16
In the state in which the main shaft 23 is fitted in the tapered hole 23a of the main shaft 23, both the bulging portions 33b and 33c are engaged with the rotation preventing recesses 28b and 28c, and the relative rotation of the main shaft 23 and the tire forming drum 16 is prevented. It (Drum attaching / detaching device K3 for the first tire forming drum 16)
The main shaft 23 is supported by supporting the first tire forming drum 16.
A drum attaching / detaching device K3 for attaching / detaching the taper shaft cylinder 27 of the first tire forming drum 16 to / from the taper hole 23a will be described with reference to FIGS.
【００２５】図６に示すように台車５１には位置決めピ
ン５２が水平に突出され、一方、タイヤ成形装置１１の
ベッド１２側には、前記位置決めピン５２を嵌入し得る
位置決め筒５３が取り付けられている。そして、台車５
１を正規のドラム交換位置に位置規制するようになって
いる。As shown in FIG. 6, a positioning pin 52 is horizontally projected from the carriage 51, and a positioning cylinder 53 into which the positioning pin 52 can be fitted is attached to the bed 12 side of the tire forming apparatus 11. There is. And dolly 5
1 is regulated to the regular drum replacement position.
【００２６】前記台車５１の上面には前後方向に指向す
る案内レール５４が設けられ、該案内レール５４には前
後動サドル５５が装着されている。又、前後動サドル５
５には上下方向に指向する昇降案内レール５６が設けら
れ、該案内レール５６にはドラム受け本体５７が装着さ
れている。該ドラム受け本体５７には第１支持板５８及
び第２支持板５９が設けられ、第１支持板５８の上端部
には第１タイヤ成形用ドラム１６の軸筒２６の一端を支
持する支持片６０が取り付けられている。前記第２支持
板５９にはＵ字型ドラム受け６１が取り付けられてお
り、該ドラム受け６１のＵ字状をなす支承部が、第１タ
イヤ成形用ドラム１６の受承リング部２８の受承用溝２
８ａに係合されてタイヤ成形用ドラム１６の軸筒２６の
他端が支持される。
（前記切換操作手段Ｍ１を駆動する駆動機構Ｋ４）前記
切換操作手段Ｍ１の操作レバー４２を傾動して、リング
カム３５を回動し、両閂３６，３７を離脱阻止位置と離
脱許容位置との間で切換動作する駆動機構Ｋ４について
説明する。A guide rail 54 oriented in the front-back direction is provided on the upper surface of the carriage 51, and a front-rear moving saddle 55 is mounted on the guide rail 54. Also, front and rear saddle 5
5 is provided with a vertical guide rail 56 that is oriented in the vertical direction, and a drum receiving body 57 is attached to the guide rail 56. A first support plate 58 and a second support plate 59 are provided on the drum receiving body 57, and a support piece for supporting one end of the shaft cylinder 26 of the first tire molding drum 16 is provided on an upper end portion of the first support plate 58. 60 is attached. A U-shaped drum receiver 61 is attached to the second support plate 59, and a U-shaped bearing portion of the drum receiver 61 receives the bearing ring portion 28 of the first tire forming drum 16. Groove 2
The other end of the shaft cylinder 26 of the tire forming drum 16 is supported by being engaged with 8a. (Drive mechanism K4 for driving the switching operation means M1) The operation lever 42 of the switching operation means M1 is tilted to rotate the ring cam 35 so that both the barbs 36 and 37 are placed between the separation preventing position and the separation allowing position. The drive mechanism K4 that performs the switching operation will be described.
【００２７】前記第２支持板５９の前面には、軸６２，
６３を介して第１及び第２カム駆動レバー６４，６５が
傾動可能に支持されている。前記両カム駆動レバー６
４，６５には、第１及び第２駆動シリンダ６６，６７の
ピストンロッド６６ａ，６７ａが連結ピン６８によって
連結されている。前記両カム駆動レバー６４，６５はタ
イヤ成形用ドラム１６の脱着作業において、前記切換操
作手段Ｍ１のコロ４３と対応する位置に移動される。そ
して、シリンダ６６，６７が作動されると両カム駆動レ
バー６４，６５によりリングカム３５が時計回り方向又
は反時計回り方向に回動され、両閂３６，３７を離脱阻
止位置と離脱許容位置との間で切り換え動作する。
（テーパ軸筒２７への引き離し力付与手段Ｍ２）前記ド
ラム受け本体５７側に設けられ、テーパ軸筒２７をテー
パ穴２３ａから離脱する際に、テーパ軸筒２７に対し引
き離し力を付与する手段Ｍ２について説明する。The front surface of the second support plate 59 has a shaft 62,
First and second cam drive levers 64 and 65 are tiltably supported via 63. Both cam drive lever 6
Piston rods 66 a and 67 a of the first and second drive cylinders 66 and 67 are connected to the pins 4 and 65 by connecting pins 68. Both cam drive levers 64 and 65 are moved to positions corresponding to the rollers 43 of the switching operation means M1 in the detaching work of the tire forming drum 16. When the cylinders 66 and 67 are operated, the ring cam 35 is rotated in the clockwise direction or the counterclockwise direction by the cam drive levers 64 and 65, and the bar bars 36 and 37 are separated between the separation preventing position and the separation allowing position. Switch between them. (Means M2 for providing separation force to the taper shaft cylinder 27) Means M2 provided on the drum receiving main body 57 side for applying a separation force to the taper shaft cylinder 27 when the taper shaft cylinder 27 is separated from the taper hole 23a. Will be described.
【００２８】前記Ｕ字型ドラム受け６１の左右両側に
は、テーパ軸筒２７の離脱用シリンダ６９，７０が取り
付けられている。そして、第１タイヤ成形用ドラム１６
の取り付け状態において、両閂３６，３７を離脱許容位
置に切り換えた状態で、両シリンダ６９，７０のピスト
ンロッド７１，７２を旋回ドラム駆動ボックス１４のハ
ウジング２１表面に押圧することにより、テーパ軸筒２
７をテーパ穴２３ａから引き離すための外力を付与する
ようにしている。Cylinders 69 and 70 for removing the taper shaft cylinder 27 are attached to the left and right sides of the U-shaped drum receiver 61. Then, the first tire forming drum 16
In the attached state, the piston rods 71 and 72 of both cylinders 69 and 70 are pressed against the surface of the housing 21 of the swiveling drum drive box 14 with both barbs 36 and 37 being switched to the disengagement allowable position, so that the tapered shaft cylinder Two
An external force for separating 7 from the taper hole 23a is applied.
【００２９】次に、前記のように構成したタイヤ成形装
置及びドラム脱着装置Ｋ３について、その動作を説明す
る。第１タイヤ成形用ドラム１６を主軸２３のテーパ穴
２３ａに連結する動作においては、図６に鎖線で示すよ
うに、台車５１上の前後動サドル５５を後退させるとと
もに、ドラム受け本体５７に第１タイヤ成形用ドラム１
６を支持する。（図２参照）この状態で前後動サドル５
５を前進させ、第１タイヤ成形用ドラム１６のテーパ軸
筒２７を主軸２３のテーパ穴２３ａに向かって移動させ
る。この途中においては、第１及び第２カム駆動レバー
６４，６５がコロ４３と対応していないので、リングカ
ム３５は第１及び第２圧縮ばね４０，４１により第１及
び第２閂３６，３７が中心側に突出している離脱阻止位
置にある。Next, the operation of the tire forming apparatus and the drum attaching / detaching apparatus K3 configured as described above will be described. In the operation of connecting the first tire forming drum 16 to the taper hole 23a of the main shaft 23, as shown by the chain line in FIG. Tire forming drum 1
Support 6. (See Fig. 2) In this state, the front and rear saddle 5
5 is moved forward, and the taper shaft cylinder 27 of the first tire forming drum 16 is moved toward the taper hole 23a of the main shaft 23. During this process, the first and second cam drive levers 64 and 65 do not correspond to the rollers 43, so that the ring cam 35 is moved by the first and second compression springs 40 and 41 into the first and second barbs 36 and 37. It is in a separation prevention position that protrudes toward the center.
【００３０】この状態で第１タイヤ成形用ドラム１６が
前進されて、離脱阻止突条２９が第１及び第２閂３６，
３７と対応する直前に移動されると、図３に示すように
第１及び第２カム駆動レバー６４，６５がコロ４３と対
応する。この状態で第１駆動シリンダ６６によりコロ４
３が第１及び第２圧縮ばね４０，４１の付勢力に抗して
押動されると、第１及び第２閂３６，３７が離脱許容位
置に退避される。In this state, the first tire-molding drum 16 is advanced so that the separation-preventing ridge 29 is moved to the first and second barbs 36,
When it is moved immediately before it corresponds to 37, the first and second cam drive levers 64 and 65 correspond to the rollers 43 as shown in FIG. In this state, the roller 4 is moved by the first drive cylinder 66.
When 3 is pushed against the biasing force of the first and second compression springs 40 and 41, the first and second barbs 36 and 37 are retracted to the disengagement allowable position.
【００３１】その後、前後動サドル５５が前進されてテ
ーパ軸筒２７がテーパ穴２３ａに進入され、テーパ軸筒
２７の離脱阻止突条２９が離脱許容位置にある第１及び
第２閂３６，３７を通過する。After that, the forward / backward movement saddle 55 is advanced so that the taper shaft cylinder 27 is inserted into the taper hole 23a, and the separation preventing projection 29 of the taper shaft cylinder 27 is in the separation allowable position. Pass through.
【００３２】この状態において、前記第１駆動シリンダ
６６の作動を停止し、第２駆動シリンダ６７を作動する
と、コロ４３を介して操作レバー４２が図４において時
計回り方向に回動され、第１及び第２閂３６，３７が図
１，３に示すように離脱阻止突条２９の一側を係止す
る。従って、第１タイヤ成形用ドラム１６のテーパ軸筒
２７はテーパ穴２３ａから離脱不能となる。この状態に
おいては、テーパ軸筒２７の受承リング部２８側に設け
た回り止め凹部２８ｂ，２８ｃが第２ホルダ片３３に設
けた第１及び第２膨出部３３ｂ，３３ｃに係合し、主軸
２３と第１タイヤ成形用ドラム１６のテーパ軸筒２７と
の相対回動が阻止される。In this state, when the operation of the first drive cylinder 66 is stopped and the second drive cylinder 67 is operated, the operation lever 42 is rotated in the clockwise direction in FIG. Also, the second barbs 36 and 37 lock one side of the separation preventing ridge 29 as shown in FIGS. Therefore, the taper shaft cylinder 27 of the first tire molding drum 16 cannot be removed from the taper hole 23a. In this state, the detent recesses 28b, 28c provided on the receiving ring portion 28 side of the tapered shaft cylinder 27 engage with the first and second bulging portions 33b, 33c provided on the second holder piece 33, The relative rotation between the main shaft 23 and the taper shaft cylinder 27 of the first tire molding drum 16 is prevented.
【００３３】なお、リングカム３５は圧縮ばね４０，４
１の付勢力により、図３の反時計回り方向に回動され、
両閂３６，３７が離脱阻止位置に付勢保持される。この
ようにして主軸２３に対するタイヤ成形用ドラム１６の
テーパ軸筒２７の連結動作が完了すると、昇降案内レー
ル５６に沿ってドラム受け本体５７が下降動作されるの
で、タイヤ成形用ドラム１６の受承リング部２８からＵ
字型ドラム受け６１が離れるようにして下降され、その
後、台車５１がタイヤ成形装置１１から引き離される。The ring cam 35 is composed of compression springs 40, 4
By the urging force of 1, it is rotated counterclockwise in FIG.
Both barbs 36 and 37 are urged and held in the separation preventing position. When the connecting operation of the taper shaft cylinder 27 of the tire forming drum 16 to the main shaft 23 is completed in this manner, the drum receiving main body 57 is moved down along the elevating guide rail 56, so that the tire forming drum 16 is received. Ring part 28 to U
The V-shaped drum receiver 61 is moved down so as to be separated, and then the carriage 51 is separated from the tire forming device 11.
【００３４】又、テーパ軸筒２７が主軸２３に連結され
た状態では、配管２４と配管３０がスプライン嵌合さ
れ、タイヤ成形作業時においてドラム本体２５側に流体
を供給し、タイヤを成形することができる。When the tapered barrel 27 is connected to the main shaft 23, the pipe 24 and the pipe 30 are spline-fitted to supply fluid to the drum body 25 side during tire forming work to form a tire. You can
【００３５】主軸２３からタイヤ成形用ドラム１６を取
り外して別のタイヤ成形用ドラムと交換する場合には、
前述した取付作業の手順とほぼ逆の動作を行えばよい。
次に、前記のように構成したタイヤ成形装置の効果を構
成とともに列挙する。When the tire forming drum 16 is removed from the main shaft 23 and replaced with another tire forming drum,
It suffices to perform an operation which is almost the reverse of the above-described procedure of the mounting work.
Next, the effects of the tire building apparatus configured as described above will be listed together with the configuration.
【００３６】（１）前記実施形態では、主軸２３に対し
テーパ穴２３ａを形成し、第１タイヤ成形用ドラム１６
に対しテーパ軸筒２７を設け、該テーパ軸筒２７をテー
パ穴２３ａに嵌合するとともに、この嵌合状態におい
て、第１及び第２閂３６，３７によりテーパ軸筒２７が
離脱するのを阻止するようにした。このため、主軸２３
に対するタイヤ成形用ドラム１６の取り付け作業を従来
のボルト連結構造と比較して迅速に行うことができる。(1) In the above embodiment, the main shaft 23 is formed with the tapered hole 23a, and the first tire forming drum 16 is formed.
Is provided with a taper shaft cylinder 27, the taper shaft cylinder 27 is fitted into the taper hole 23a, and in this fitted state, the first and second barbs 36 and 37 prevent the taper shaft cylinder 27 from coming off. I decided to do it. Therefore, the spindle 23
The work of attaching the tire forming drum 16 to the tire can be performed more quickly than in the conventional bolt connection structure.
【００３７】（２）前記実施形態では、受承リング部２
８側に第２ホルダ片３３の第１及び第２膨出部３３ｂ，
３３ｃと対応して回り止め凹部２８ｂ，２８ｃを形成し
た。このため主軸２３とタイヤ成形用ドラム１６の相対
回動を阻止する構成を簡素化することができる。(2) In the above embodiment, the receiving ring portion 2
The first and second bulge portions 33b of the second holder piece 33 on the 8 side,
Rotation preventing recesses 28b and 28c are formed corresponding to 33c. Therefore, the structure for preventing the relative rotation of the main shaft 23 and the tire molding drum 16 can be simplified.
【００３８】（３）前記実施形態では、台車５１に対し
ドラム受け本体５７を前後方向及び上下方向の位置調整
可能に装着し、ドラム受け本体５７側に前記リングカム
３５に設けたコロ４３を作動する第１及び第２カム駆動
レバー６４，６５を設けた。このため、リングカム３５
を回動操作して、閂３６，３７を離脱阻止位置又は離脱
許容位置に自動的に切り換えることができる。(3) In the above embodiment, the drum receiving main body 57 is mounted on the carriage 51 so that the position thereof can be adjusted in the front-rear direction and the vertical direction, and the roller 43 provided on the ring cam 35 on the drum receiving main body 57 side is operated. First and second cam drive levers 64 and 65 are provided. Therefore, the ring cam 35
It is possible to automatically switch the barbs 36 and 37 to the separation preventing position or the separation allowing position by rotating.
【００３９】（４）前記実施形態では、第１及び第２ホ
ルダ片３２，３３により、リングカム３５を前後方向か
ら挟持して、リングカムホルダ３１を構成した。このた
め、リングカムホルダ３１とリングカム３５との組み付
け構成を簡素化することができる。(4) In the above embodiment, the ring cam 35 is sandwiched by the first and second holder pieces 32 and 33 from the front-rear direction to form the ring cam holder 31. Therefore, the assembly structure of the ring cam holder 31 and the ring cam 35 can be simplified.
【００４０】（５）前記実施形態では、タイヤ成形用ド
ラム１６がタイヤ成形作業中に回転する方向に関して、
リングカム３５のカム溝３５ａ，３５ｂを、後行側ほど
中心に変位する傾斜状にしたので、タイヤ成形用ドラム
１６の回転時において、両閂３６，３７が互いに接近す
る方向、つまり離脱阻止位置に付勢されるので、閂を離
脱阻止位置に安定して保持することができる。(5) In the above embodiment, with respect to the direction in which the tire forming drum 16 rotates during the tire forming operation,
Since the cam grooves 35a and 35b of the ring cam 35 are inclined so as to be displaced toward the rearward side toward the center, when the tire forming drum 16 is rotated, the barbs 36 and 37 are in a direction in which they approach each other, that is, in a separation preventing position. Since the barb is biased, the barb can be stably held at the separation preventing position.
【００４１】（６）前記実施形態では、図７に示すよう
にコラム１３に対し１８０度毎に旋回される旋回ドラム
駆動ボックス１４に一対の主軸２３，２３を設け、両主
軸２３，２３に対しタイヤ成形用ドラム１６，１７を互
いに平行に装着した。このため一方のドラム１６の交換
作業が終了した後、前記駆動ボックス１４を反転して他
方のタイヤ成形用ドラム１７の交換作業を連続して効率
よく行うことができる。(6) In the above embodiment, as shown in FIG. 7, a pair of main shafts 23, 23 are provided in the revolving drum drive box 14 which is rotated by 180 degrees with respect to the column 13, and both main shafts 23, 23 are provided. The tire forming drums 16 and 17 were mounted parallel to each other. Therefore, after the replacement work of the one drum 16 is completed, the drive box 14 can be inverted and the replacement work of the other tire forming drum 17 can be continuously and efficiently performed.
【００４２】又、一方のタイヤ成形用ドラム１６の交換
作業を、他方のタイヤ成形用ドラム１７のタイヤ成形作
業中に行うように構成することもできる。なお、上記実
施形態は以下のように変更してもよい。It is also possible to replace the tire forming drum 16 on one side during the tire forming operation on the tire forming drum 17 on the other side. The above embodiment may be modified as follows.
【００４３】○ 図示しないが、タイヤ成形装置１１と
して次のように構成したものを使用してもよい。ベッド
１２の上面に対し旋回テーブルを支持し、このテーブル
の上面には一対のコラムを立設する。両コラムには一対
の旋回ドラム駆動ボックス１４，１４を回転軸１５，１
５を中心に１８０°毎の間欠回転可能に装着する。前記
旋回ドラム駆動ボックス１４，１４には、第１タイヤ成
形用ドラム１６と第２タイヤ成形用ドラム１７をそれぞ
れ取り外し可能に、計四箇所に装着する。各タイヤ成形
用ドラム１６，１７の旋回ドラム駆動ボックス１４，１
４に対する連結構造は前述した実施形態と同様である。Although not shown, the tire forming device 11 having the following structure may be used. A revolving table is supported on the upper surface of the bed 12, and a pair of columns is erected on the upper surface of the table. A pair of swivel drum drive boxes 14, 14 are provided on both columns with rotating shafts 15, 1.
It is mounted so that it can rotate intermittently about the point 5 every 180 °. The first drum forming drum 16 and the second tire forming drum 17 are detachably attached to the turning drum drive boxes 14 and 14 at a total of four positions. Revolving drum drive box 14,1 for each tire forming drum 16,17
The connection structure for 4 is similar to that of the above-described embodiment.
【００４４】この実施形態では、手前のタイヤ成形作業
位置ある一対のタイヤ成形用ドラム１６，１７がタイヤ
成形作業に用いられている間に、旋回テーブルの旋回動
作により後方に旋回されてドラム交換位置にある一対の
タイヤ成形用ドラム１６，１７の交換作業を行うことが
できるので、タイヤ成形用ドラムの交換作業をタイヤ成
形作業中に行い、タイヤ成形作業を効率的に行うことが
できる。In this embodiment, while the pair of tire forming drums 16 and 17 located at the front tire forming work position are used for the tire forming work, they are swung rearward by the turning motion of the turning table to move to the drum replacement position. Since the replacement work of the pair of tire forming drums 16 and 17 can be performed, the replacement work of the tire forming drum can be performed during the tire forming work, and the tire forming work can be efficiently performed.
【００４５】○ 前記実施形態では、ドラム脱着装置Ｋ
３により第１タイヤ成形用ドラム１６を主軸２３に脱着
するようにしたが、タイヤ成形用ドラム１６を作業者が
把持した状態で、リングカム３５を別の作業者が手動に
より回動して、主軸２３にタイヤ成形用ドラム１６を装
着するようにしてもよい。In the above embodiment, the drum attaching / detaching device K
Although the first tire forming drum 16 is attached to and detached from the main shaft 23 by means of 3, the ring cam 35 is manually rotated by another operator while the operator holds the tire forming drum 16 and the main shaft 23 is rotated. The tire-forming drum 16 may be mounted on 23.
【００４６】○ 前記実施形態では、タイヤ成形用ドラ
ム１６のテーパ軸筒２７が主軸２３のテーパ穴２３ａに
嵌合される前に第１及び第２カム駆動レバー６４，６５
を操作して両閂３６，３７を離脱阻止位置から離脱許容
位置に変位するようにしたが、第２カム駆動レバー６５
を省略してもよい。この場合には、圧縮ばね４１により
リングカム３５が閂を離脱阻止位置に復元できるように
弾性力を設定するのが望ましい。In the above-described embodiment, the first and second cam drive levers 64 and 65 are provided before the taper shaft cylinder 27 of the tire molding drum 16 is fitted into the taper hole 23a of the main shaft 23.
Was operated to displace both the barbs 36 and 37 from the separation preventing position to the separation allowing position.
May be omitted. In this case, it is desirable to set the elastic force so that the compression spring 41 allows the ring cam 35 to restore the barb to the separation preventing position.
【００４７】○ 前記実施形態では、離脱阻止機構Ｋ１
と相対回動阻止機構Ｋ２を独立して構成したが、離脱阻
止機構Ｋ１を構成する両閂３６，３７を軸筒２６の外周
に形成した凹部に加入することにより相対回動阻止機構
Ｋ２を兼用するように構成することもできる。In the above embodiment, the separation prevention mechanism K1
And the relative rotation preventing mechanism K2 are independently configured, but the relative rotation preventing mechanism K2 is also used by joining both the barbs 36 and 37 forming the separation preventing mechanism K1 into the recess formed on the outer periphery of the shaft cylinder 26. It can also be configured to do so.
【００４８】この実施形態では、製造を容易に行うこと
ができる。
○ 前記実施形態では、一対の閂３６，３７を用いたが
これを一つの閂にしてもよい。In this embodiment, manufacturing can be easily performed. In the above embodiment, the pair of barbs 36 and 37 are used, but they may be one bar.
【００４９】○ 図示しないが、前記切換操作手段Ｍ１
として、操作レバー４２及びコロ４３に代えて、リング
カム３５の外周面に被動歯部又は摩擦面を形成し、一
方、台車側の駆動機構Ｋ４として前記被動歯部又は摩擦
面に噛み合う駆動歯車又は押圧接触し得る駆動ローラを
用いてもよい。Although not shown, the switching operation means M1
As a substitute for the operation lever 42 and the roller 43, a driven tooth portion or a friction surface is formed on the outer peripheral surface of the ring cam 35, while a drive gear or a pressing member that engages with the driven tooth portion or the friction surface is used as a trolley-side drive mechanism K4. A drive roller that can contact may be used.
【００５０】○ 図示しないが、前記相対回動阻止機構
Ｋ２として、前記構成に代えて、テーパ軸筒２７の外周
面に形成した雄スプライン部と、テーパ穴２３ａに形成
した雌スプライン部とにより構成してもよい。Although not shown, the relative rotation preventing mechanism K2 is composed of a male spline portion formed on the outer peripheral surface of the taper shaft cylinder 27 and a female spline portion formed in the taper hole 23a instead of the above structure. You may.
【００５１】○ 図示しないが、テーパ軸筒２７に対し
引き離し力を付与する手段Ｍ２として、シリンダに代え
て電磁アクチュエータを用いてもよい。次に、上記実施
形態及び別例から把握できる請求項に記載した発明以外
の技術的思想について、その効果とともに以下に記載す
る。Although not shown, an electromagnetic actuator may be used in place of the cylinder as the means M2 that applies a separating force to the tapered barrel 27. Next, technical ideas other than the invention described in the claims that can be grasped from the above-described embodiments and other examples will be described below together with their effects.
【００５２】（技術思想１）請求項１に記載のタイヤ成
形装置におけるタイヤ成形用ドラムの連結構造におい
て、離脱阻止機構は相対回動阻止機構を兼用するもので
あるタイヤ成形装置におけるタイヤ成形用ドラムの連結
構造。(Technical idea 1) In the structure for connecting tire forming drums according to claim 1, the separation preventing mechanism also serves as a relative rotation preventing mechanism. Connection structure.
【００５３】従って、この技術思想１に記載のタイヤ成
形装置におけるタイヤ成形用ドラムの連結構造によれ
ば、製造を容易に行うことができる。Therefore, according to the connection structure of the tire forming drum in the tire forming apparatus described in the technical concept 1, the manufacturing can be easily performed.
【００５４】[0054]
【発明の効果】以上詳述したように、請求項１〜３に記
載のタイヤ成形用ドラムの連結構造の発明によれば、タ
イヤ成形用ドラムの交換作業時間を短縮して、タイヤ製
造作業の能率を向上することができる。As described above in detail, according to the invention of the connecting structure of the tire forming drums described in claims 1 to 3, the tire forming drum replacement work time can be shortened and the tire manufacturing work can be performed. The efficiency can be improved.
【００５５】請求項２に記載のタイヤ成形用ドラムの連
結構造の発明によれば、請求項１記載の発明の効果に加
えて、離脱阻止機構の構成を簡素化して製造を容易に行
うことができる。According to the invention of the connecting structure of the tire molding drum described in claim 2, in addition to the effect of the invention described in claim 1, the structure of the separation preventing mechanism can be simplified to facilitate the manufacture. it can.
【００５６】請求項３に記載のタイヤ成形用ドラムの連
結構造の発明によれば、請求項２記載の発明の効果に加
えて、前記相対回動阻止機構の部品点数を低減して、製
造を容易に行うことができる。According to the invention of the connecting structure of the tire forming drum described in claim 3, in addition to the effect of the invention described in claim 2, the number of parts of the relative rotation preventing mechanism is reduced, and the manufacturing is performed. It can be done easily.
【００５７】請求項４に記載のタイヤ成形装置の発明に
よれば、一対のタイヤ成形用ドラムの交換作業時間を短
縮して、タイヤ製造作業の能率を向上することができ
る。請求項５に記載のドラム脱着装置の発明によれば、
タイヤ成形用ドラムの交換作業を自動的に行うことがで
きる。According to the invention of the tire forming apparatus described in claim 4, the time for exchanging the pair of tire forming drums can be shortened and the efficiency of the tire manufacturing operation can be improved. According to the invention of the drum attachment / detachment device of claim 5,
The tire forming drum replacement work can be automatically performed.
【００５８】請求項６に記載のドラム脱着装置の発明に
よれば、請求項５記載の発明の効果に加えて、テーパ軸
筒をテーパ穴から離脱する動作を円滑に行うことができ
る。According to the invention of the drum attaching / detaching device of the sixth aspect, in addition to the effect of the fifth aspect of the invention, the operation of detaching the tapered barrel from the tapered hole can be smoothly performed.
【図１】 この発明のタイヤ成形装置におけるタイヤ成
形用ドラムの取り付け構造を示す図３の１−１線断面
図。FIG. 1 is a sectional view taken along line 1-1 of FIG. 3 showing a mounting structure of a tire molding drum in a tire molding device of the present invention.
【図２】 タイヤ成形用ドラムを取り外した状態を示す
断面図。FIG. 2 is a cross-sectional view showing a state where a tire molding drum is removed.
【図３】 図１の２−２線断面図。3 is a sectional view taken along line 2-2 of FIG.
【図４】 リングカムが閂を退避位置に移動した状態を
示す断面図。FIG. 4 is a cross-sectional view showing a state in which the ring cam moves the bar to the retracted position.
【図５】 リングカムホルダ及びリングカムを示す分解
斜視図。FIG. 5 is an exploded perspective view showing a ring cam holder and a ring cam.
【図６】 タイヤ成形装置及びタイヤ成形用ドラムの自
動脱着装置を示す正面図。FIG. 6 is a front view showing a tire forming apparatus and an automatic attaching / detaching apparatus for a tire forming drum.
【図７】 タイヤ成形装置の斜視図。FIG. 7 is a perspective view of a tire molding device.
１１…タイヤ成形装置、１４…旋回ドラム駆動ボック
ス、１６，１７…第１及び第２タイヤ成形用ドラム、２
３…主軸、２３ａ…テーパ穴、２３ｂ…取付フランジ、
２５…ドラム本体、２６…軸筒、２７…テーパ軸、２８
…受承リング部、２８ａ…受承用溝、２８ｂ，２８ｃ…
回り止め凹部、２９…離脱阻止部としての離脱阻止突
条、３１…リングカムホルダ、３２，３３…第１及び第
２ホルダ片、３２ａ，３２ｂ…第１及び第２閂収容溝、
３３ｂ，３３ｃ…第１及び第２膨出部、３５…リングカ
ム、３５ａ，３５ｂ…カム溝、３６，３７…第１及び第
２閂、３８，３９…第１及び第２カムフォロア、４０，
４１…第１及び第２圧縮ばね、４２…操作レバー、４３
…コロ、５１…台車、５７…ドラム受け本体、６１…Ｕ
字型ドラム受け、６４，６５…第１及び第２カム駆動レ
バー、６９，７０…テーパ軸筒の第１及び第２離脱用シ
リンダ、Ｋ１…離脱阻止機構、Ｋ２…相対回動阻止機
構、Ｋ３…第１タイヤ成形用ドラム１６の脱着装置、Ｋ
４…駆動機構、Ｍ１…切換操作手段、Ｍ２…引き離し力
を付与する手段。11 ... Tire forming device, 14 ... Slewing drum drive box, 16, 17 ... First and second tire forming drums, 2
3 ... Spindle, 23a ... Tapered hole, 23b ... Mounting flange,
25 ... Drum body, 26 ... Shaft cylinder, 27 ... Tapered shaft, 28
... Receiving ring part, 28a ... Receiving groove, 28b, 28c ...
Anti-rotation recessed portion, 29 ... Detachment preventing ridge as a disengagement preventing portion, 31 ... Ring cam holder, 32, 33 ... First and second holder pieces, 32a, 32b ... First and second bar bar accommodating groove,
33b, 33c ... 1st and 2nd bulge part, 35 ... Ring cam, 35a, 35b ... Cam groove, 36, 37 ... 1st and 2nd bar, 38, 39 ... 1st and 2nd cam follower, 40,
41 ... First and second compression springs, 42 ... Operating lever, 43
... Roller, 51 ... Truck, 57 ... Drum receiver main body, 61 ... U
V-shaped drum receivers, 64, 65 ... First and second cam drive levers, 69, 70 ... First and second detaching cylinders of tapered barrel, K1 ... Disengagement prevention mechanism, K2 ... Relative rotation prevention mechanism, K3 ... Desorption device for the first tire molding drum 16, K
4 ... Drive mechanism, M1 ... Switching operation means, M2 ... Means for applying separation force.
Claims (6)
動ボックス（１４）に支持された複数の主軸（２３）に
先端ほど大径となるテーパ穴（２３ａ）を設け、一方、
タイヤ成形用ドラム（１６，１７）のドラム本体（２
５）を支持する軸筒（２６）に対し前記テーパ穴（２３
ａ）に嵌入される先端ほど小径となるテーパ軸筒（２
７）を設け、主軸（２３）とテーパ軸筒（２７）との間
に、テーパ軸筒（２７）がテーパ穴（２３ａ）から離脱
するのを阻止するための離脱阻止位置と離脱許容位置と
の間で切り換えられる閂（３６，３７）を備えた離脱阻
止機構（Ｋ１）を設け、該閂（３６，３７）はタイヤ形
成用ドラム（１６，１７）のテーパ軸筒（２７）に設け
た離脱阻止部（２９）に係合・離脱可能に構成されてお
り、同じく主軸（２３）とテーパ軸筒（２７）との間
に、主軸（２３）とテーパ軸筒（２７）の相対回動を阻
止する相対回動阻止機構（Ｋ２）を設け、前記離脱阻止
機構（Ｋ１）には、該離脱阻止機構（Ｋ１）を離脱阻止
位置と離脱許容位置との間で閂（３６，３７）の位置を
切り換えるための切換操作手段（Ｍ１）を設けているタ
イヤ成形装置におけるタイヤ成形用ドラムの連結構造。1. A plurality of spindles (23) supported by a swiveling drum drive box (14) of a tire building apparatus (11) are provided with tapered holes (23a) having a diameter increasing toward the tip, while
Drum body (2) of tire forming drum (16, 17)
5) to the shaft cylinder (26) supporting the tapered hole (23
a) A taper shaft tube (2) having a smaller diameter toward the tip fitted into a)
7) is provided between the main shaft (23) and the taper shaft cylinder (27) to provide a separation preventing position and a separation allowable position for preventing the taper shaft cylinder (27) from separating from the taper hole (23a).
The detachment prevention mechanism (K1) having a obex (36, 37) which is switched between the provided 該閂(36, 37) is a tire-shaped
Provided on the tapered barrel (27) of the production drum (16, 17)
It is configured to be engageable with and disengageable from the disengagement prevention part (29).
Ri, also between the main shaft (23) tapered shaft cylinder (27), provided with the spindle relative rotation preventing mechanism for preventing the relative rotation (23) and the tapered shaft cylinder (27) (K2), the withdrawal The blocking mechanism (K1) has a switching operation means (M1) for switching the position of the bar (36, 37) between the separation blocking position and the separation allowable position of the separation blocking mechanism (K1). The connection structure of the tire forming drum in the provided tire forming apparatus.
（Ｋ１）は、主軸（２３）に取り付けられたリングカム
ホルダ（３１）と、該リングカムホルダ（３１）に支持
され、かつ主軸（２３）の軸線の周りで往復回動可能に
支持されたカム溝（３５ａ，３５ｂ）を有するリングカ
ム（３５）と、前記リングカムホルダ（３１）の収容溝
（３２ａ，３２ｂ）に設けられ、かつリングカム（３
５）の回動によりカム溝（３５ａ，３５ｂ）に係留した
カムフォロア（３８，３９）により離脱阻止位置と離脱
許容位置との間で切り換えられる閂（３６，３７）と、
該閂（３６，３７）はタイヤ成形用ドラム（１６, １
７）の軸筒（２６）に設けた離脱阻止部（２９）に係合
・離脱可能に構成されていることと、リングカムホルダ
（３１）とリングカム（３５）との間に設けられ、かつ
常にはリングカム（３５）及び閂（３６，３７）を離脱
阻止位置へ付勢する付勢手段（４０，４１）とにより構
成され、 前記切換操作手段（Ｍ１）は、前記リングカム（３５）
に設けられた操作レバー（４２）であって、前記リング
カム（３５）を前記付勢手段（４０，４１）の付勢力に
抗して離脱阻止位置から離脱許容位置へ回動可能に構成
されているタイヤ成形装置におけるタイヤ成形用ドラム
の連結構造。2. The separation prevention mechanism (K1) according to claim 1, wherein the ring cam holder (31) is attached to the main shaft (23), and the main shaft (23) is supported by the ring cam holder (31). ) A ring cam (35) having a cam groove (35a, 35b) supported so as to be capable of reciprocating rotation about an axis, and a ring cam provided in the housing groove (32a, 32b) of the ring cam holder (31). (3
5) The lock bar (36, 37) that is switched between the separation preventing position and the separation allowing position by the cam followers (38, 39) moored in the cam grooves (35a, 35b) by the rotation of 5);
The bar (36, 37) is a drum for tire building (16, 1)
7) is configured to be engageable with and disengageable from a disengagement prevention portion (29) provided on the shaft cylinder (26), and is provided between the ring cam holder (31) and the ring cam (35), and It is always composed of a ring cam (35) and a biasing means (40, 41) for biasing the bar cams (36, 37) to the disengagement prevention position, and the switching operation means (M1) is the ring cam (35).
An operation lever (42) provided in the ring cam (35) so as to rotate the ring cam (35) from the separation preventing position to the separation allowing position against the urging force of the urging means (40, 41). Structure for connecting tire forming drums in existing tire forming equipment.
構（Ｋ２）は、リングカムホルダ（３１）に形成した膨
出部（３３ｂ，３３ｃ）と、テーパ軸筒（２７）側に形
成され、かつ前記膨出部（３３ｂ，３３ｃ）に係合され
る回り止め凹部（２８ｂ，２８ｃ）とにより構成されて
いるタイヤ成形装置におけるタイヤ成形用ドラムの連結
構造。3. The relative rotation preventing mechanism (K2) according to claim 2, wherein the bulging portions (33b, 33c) formed on the ring cam holder (31) and the tapered shaft cylinder (27) side are formed. And a connection structure of the tire forming drum in the tire forming apparatus, which is constituted by the rotation preventing recesses (28b, 28c) engaged with the bulging portions (33b, 33c).
連結構造を備えたタイヤ成形装置であって、ベッド（１
２）の上面にはコラム（１３）が支持され、該コラム
（１３）の前面には旋回ドラム駆動ボックス（１４）が
水平な回転軸（１５）を中心に１８０°毎の間欠回転可
能に装着され、前記旋回ドラム駆動ボックス（１４）に
回転軸（１５）と平行に、かつ回転軸（１５）を中心に
対称な位置に設けた一対の主軸（２３，２３）には、第
１タイヤ成形用ドラム（１６）と第２タイヤ成形用ドラ
ム（１７）が互いに平行に、かつそれぞれ取り外し可能
に装着され、前記両タイヤ成形用ドラム（１６，１７）
は、旋回ドラム駆動ボックス（１４）の旋回動作により
タイヤ成形作業位置とドラム交換作業位置との間で位置
切り換え可能に構成されているタイヤ成形装置。4. A tire forming apparatus comprising the tire forming drum connection structure according to claim 1, wherein the bed (1
A column (13) is supported on the upper surface of 2), and a swiveling drum drive box (14) is mounted on the front surface of the column (13).
The rotary drum (15) is mounted on the rotary drum drive box (14) such that it can rotate intermittently every 180 ° around a horizontal rotation shaft (15).
Parallel to the rotation axis (15) and centered on the rotation axis (15)
The first tire forming drum (16) and the second tire forming drum (17) are detachably mounted in parallel with each other on the pair of main shafts (23, 23) provided at symmetrical positions. Both tire forming drums (16, 17)
Is a tire forming apparatus configured to be position-switchable between a tire forming work position and a drum replacement work position by a turning operation of a turning drum drive box (14).
ヤ成形用ドラムを脱着するドラム脱着装置（Ｋ３）であ
って、該脱着装置（Ｋ３）は台車（５１）と、該台車
（５１）に装着された前後方向に往復動される前後動サ
ドル（５５）と、該前後動サドル（５５）に昇降可能に
装着されたドラム受け本体（５７）とを備え、該ドラム
受け本体（５７）は、タイヤ成形用ドラム（１６，１
７）を所定位置に支持するドラム受け（６１）を備える
とともに、前記離脱阻止機構（Ｋ１）の切換操作手段
（Ｍ１）を作動する駆動機構（Ｋ４）を備えているドラ
ム脱着装置。5. A drum attaching / detaching device (K3) for attaching / detaching a tire forming drum of the tire forming device according to claim 1, wherein the attaching / detaching device (K3) is a truck (51) and the truck (51). The front and rear saddles (55) reciprocated in the front-rear direction and the drum receiver main body (57) mounted on the front and rear saddles (55) so as to be movable up and down, and the drum receiver main body (57). Is a tire forming drum (16, 1
A drum attaching / detaching device having a drum receiver (61) for supporting 7) at a predetermined position and a drive mechanism (K4) for operating the switching operation means (M1) of the separation preventing mechanism (K1).
７）は、テーパ軸筒（２７）をテーパ穴（２３ａ）から
離脱する際に、テーパ軸筒（２７）に対し引き離し力を
付与する手段（Ｍ２）を備えていることを特徴とするド
ラム脱着装置。6. The drum receiving main body (5) according to claim 5,
7) Drum attachment / detachment characterized by comprising means (M2) for applying a separating force to the taper shaft cylinder (27) when the taper shaft cylinder (27) is detached from the taper hole (23a). apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24622399A JP3439394B2 (en) | 1999-06-28 | 1999-08-31 | Connecting structure of tire building drum, tire building apparatus provided with the same, and drum attaching / detaching apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18244099 | 1999-06-28 | ||
| JP11-182440 | 1999-06-28 | ||
| JP24622399A JP3439394B2 (en) | 1999-06-28 | 1999-08-31 | Connecting structure of tire building drum, tire building apparatus provided with the same, and drum attaching / detaching apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001071393A JP2001071393A (en) | 2001-03-21 |
| JP3439394B2 true JP3439394B2 (en) | 2003-08-25 |
Family
ID=26501244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24622399A Expired - Fee Related JP3439394B2 (en) | 1999-06-28 | 1999-08-31 | Connecting structure of tire building drum, tire building apparatus provided with the same, and drum attaching / detaching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3439394B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0911479B1 (en) * | 2008-04-24 | 2019-05-07 | Vmi Holland B.V. | DEVICE FOR MANUFACTURING A TIRE |
| JP6068980B2 (en) * | 2009-12-21 | 2017-01-25 | ピレリ・タイヤ・ソチエタ・ペル・アツィオーニ | Process and plant for building tires |
| IT201900023718A1 (en) * | 2019-12-12 | 2021-06-12 | Pirelli | ASSEMBLING MACHINE FOR PACKAGING TIRES FOR VEHICLE WHEELS, AND PROCESS FOR REPLACING CONFORMING DRUMS IN AN ASSEMBLING MACHINE |
-
1999
- 1999-08-31 JP JP24622399A patent/JP3439394B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001071393A (en) | 2001-03-21 |
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