200422164 (1) 玖、發明說明 【發明所屬之技術領域】 本發明是關於對輪胎進行加硫成形的輪胎加硫機。 【先前技術】 輪胎加硫機在一邊使中心軸彼此一致，一邊在合模的 上金屬模與下金屬模內收容生輪胎並進行加硫成形時，期 待可將生輪胎與中心軸同心設定，並成型以便可均句地進 行加硫成形而獲得高品質的加硫後的輪胎。 於是，在現有技術中’例如圖7所示，在上金屬模 51與下金屬模52開模之後，以裝載機構55的卡盤部54 保持生輪胎5 3，藉著使卡盤部5 4水平移動而將生輪胎5 3 搬入兩金屬模5 1 · 5 2之間。然後，使卡盤部5 4下降，藉 由設置在卡盤部5 4的根部側的插穿孔5 6中插穿導桿 57，一邊定位一邊設定以使生輪胎53與下金屬模52的中 心軸形成同心配置。其後，利用中心機構使生輪胎5 3成 型，使卡盤部5 3從金屬模5 1 · 5 2之間退避後，藉由上金 屬模51的下降，使兩金屬模5 1 · 5 2的中心軸彼此一致地 合模，相對於金屬模5 1 · 5 2內的生輪胎5 3進行加硫成形 (例如參閱日本專利實開平7 — 4 0 1 2號公報）。 但是，在上述現有技術的裝置中，在插穿孔5 6及導 桿5 7的位置關係變化，或導桿5 7的安裝狀態（軸心方 向）變化時，生輪胎5 3在相對於中心軸含有誤差的狀態 下被定位，但是此時，由於利用設於離開下金屬模5 2的 -4- (2) (2)200422164 中心軸位置的插穿孔5 6與導桿5 7而間接地將生輪胎5 3 年目對於中心軸同心狀定位，因此會有操作者難於注意到產 生定位誤差的問題。其結果，會有對於多數個生輪胎53 進行品質不充分的加硫成形。 另外’在輪胎加硫機的組裝時或檢修時，需要確認導 桿5 7相對於中心軸平行並進行調整的作業，及確認該導 桿57與插穿孔56位於同心狀的位置關係並進行調整的作 業。由此’產生以下問題：輪胎加硫機的組裝時或檢修時 的作業困難，並且需要較長作業時間。 【發明內容】， 因此’本發明提供一種可容易確認定位誤差的產生並 且可容易消除定位誤差的輪胎加硫機。 爲了解.決上述課題，本發明是對生輪胎進行加硫成形 的輪胎加硫機，包含：收容生輪胎並可加以合模的金屬 模，前述金屬模爲上金屬模及下金屬模所構成；保持生輪 胎的卡盤部；藉著使前述卡盤部移動而將生輪胎搬入開模 狀態下的前述上金屬模與前述下金屬模之間的裝載機構， 前述裝載機構可著位在前述金屬模上；設於前述加硫機的 前述下金屬模側，與前述下金屬模的中心軸同心狀配置的 嵌合構件；及和所保持的生輪胎同心設置在前述卡盤部上 的導桿，前述導桿在前述卡盤部的生輪胎著位動作時，前 述導桿的前端部與前述嵌合構件嵌合。 根據上述的構成，在例如加硫機主體的定期檢修時 -5- (3) (3)200422164 等，由於確認導桿及嵌合構件的軸心與中心軸是否處於同 心狀態時，可以同時檢查導桿與嵌合構件的位置關係，因 此可以簡單地進行檢查作業。其結果，操作者容易注意定 位誤差的發生，可充分防止以不充分的品質進行加硫成 形。並且，在組裝輪胎加硫機時，同樣可以調整導桿及嵌 合構件在中心軸上形成同心，則可同時結束導桿與嵌合構 件位置關係的調整，因此可以容易進行組裝作業q 另外，本發明中，在上述構成的輪胎加硫機中，更包 含：設置可自由升降的中心柱，在前述中心柱的上端面設 有前述嵌合構件；及隨著前述中心柱的下降而可進退移動 地支撐前述導桿的導桿支撐機構。 因此，可以容易且確實地使輪胎與金屬模的中心軸同 心。 此外，本發明中，在上述構成的輪胎加硫機中，更可 以氣囊構成，使前述中心柱升降以伸展及縮小前述氣囊。 藉此，在備有氣囊的氣囊方式的輪胎加硫機中，同樣 可以容易且確實地使輪胎與金屬模的中心軸同心。 前述導桿支撐機構可以缸桿作爲前述導桿的汽缸裝 置。 由此，可以極簡單的構成來形成導桿支撐機構及導 桿。 或者，前述導桿支撐機構具備有可以在預定位置使前 述導桿停止的制動器機構。 藉此，可以與汽缸裝置構成導桿支撐機構的場合同樣 -6 - (4) (4)200422164 地發揮維持嵌合狀態的功能，並可以將導桿支撐機構的高 度抑制在最小限度，因此可以將輪胎加硫機的整體高度維 持在低的狀態。 或者，前述導桿支撐機構可以具有前述導桿朝著前述 下金屬模施力的施力機構。 由此，可以完全不需要動力源的機械構成元件來實現 維持嵌合狀態的功能。 【實施方式】 〔實施形態1〕 以下，根據圖1及圖2說明本發明的第1實施形態。 如圖1所示，本實施形態的輪胎加硫機，具有：對生 輪胎5進行加硫成形的加硫機主體1 ;對於加硫機主體1 搬入生輪胎5的裝載裝置2 ;及搬出加硫後的輪胎的未圖 示的卸載機。加硫機主體1，具有：設置在底面上的金屬 模固定部3，及相對於金屬模固定部3升降的金屬模升降 部4。金屬模固定部3，具有：與生輪胎5的下側.壁等抵 接的下金屬模6 ;將下金屬模6加熱至預定溫度的未圖示 的下加熱機構；及貫穿設置在下加熱機構及下金屬模6的 中心部的中心機構7 〇 上述的中心機構7具有固定在下金屬模6的未圖示的 下部環機構。下部環機構形成與生輪胎5的下胎圈部抵接 的同時，形成夾持著氣囊8的下緣部。此外，下部環機構 形成與供給蒸汽或氮氣等的加壓加熱媒體的未圖示的加壓 •7- (5) (5)200422164 加熱媒體供給裝置連接，將來自該裝置的加壓加熱媒體供 給至氣囊8內。 中心柱9在氣密狀態下沿上下方向自由滑動地立設在 上述的下部環機構的中心部上。中心柱9的上端部設有上 部環1 〇。上部環1 0夾持氣囊8的上緣部。此外，在中心 柱9的上端面設有嵌合構件1 2。嵌合構件1 2在上端部備 有嵌合凹部12a，嵌合凹部12a及嵌合構件12設定與下 金屬模6的中心軸同心。 此外，在中心柱9的下端部連結有中心柱9可升降至 任意高度位置的未圖示的柱升降機構。柱升降機構在生輪 胎5的搬入時或加硫後的輪胎搬出時，將中心柱9上升至 上限位置，舉起氣囊8的上緣部，並將氣囊8設定小於生 輪胎5的輪胎孔的孔徑，另一方面在生輪胎5的加硫成形 時，將氣囊8插入生輪胎5內，使中心柱9下降擴大可以 抵接輪胎內壁面的直徑。 利用上述的中心柱9而擴張收縮的氣囊8在生輪胎5 的加硫成形時，藉供給加壓加熱媒體朝著金屬模方向推壓 輪胎內壁面，例如使用在高溫環境下變質困難的低延展性 材料所形成。此外，在中心柱9的上方設有金屬模升降部 4與上金屬模1 1。上金屬模1 1形成與生輪胎5的上側壁 等抵接，並且備有使金屬模升降部4升降的未圖示金屬模 升降機構。 如上述所構成的加硫機主體1的側方配設有裝載裝置 2。裝載裝置2，具備：相對於中心軸平行且相對於底面 (6) (6)200422164 沿垂直方向立設的垂直框架2 1 ;沿垂直框架2 1在鉛直方 向升降的線性導件等的升降機構；及以垂直框架2 1爲迴 旋中心在水平方向迴旋的迴旋機構。升降機構及迴旋機構 支撐臂構件2 2的基端部，使臂構件2 2可以在鉛直方向升 降並在水平方向上迴旋。 在上述的臂構件22的前端部設有卡盤機構23。卡盤 機構2 3，具有：水平配置的卡盤支撐板2 4，及設於卡盤 支撐板24下面的複數個爪構件25。卡盤支撐板24具有 貫穿孔2 4 a，貫穿孔2 4 a形成在卡盤機構2 3被搬入金屬 模6 · 1 1間時，中心點相對於中心軸一致。在貫穿孔2 4 a 的周圍以等間隔配設有上述的爪構件2 5。該等爪構件2 5 可以在相對於中心點（中心軸）的直徑方向自由進退移 動。該等爪構件2 5設定爲在中心點（中心軸）方向移動 時’以爪構件2 5的前端部所連結的直徑縮小到小於生輪 胎5的孔徑，在反方向上移動時，以爪構件2 5的前端部 所連結的直徑則擴大較生輪胎5的孔徑更大。藉此，卡盤 機構2 3利用爪構件2 5的移動而可以自由拆裝地保持生輪 胎5 〇 此外，卡盤支撐板2 4的上面設有跨過貫穿孔2 4 a的 托架2 6。托架2 6支撐著利用空氣動作的汽缸裝置2 7。汽 缸裝置27朝向下方具備作爲導桿28的缸桿。導桿2.8貫 穿貫穿孔24a的同時，設定卡盤機構23被搬入金屬模 6 · 1 1之間時，軸心相對於中心軸同心。藉著該氣缸主體 部的設置，增大上·下金屬模的開模衝程，雖然使得加硫 -9- (7) (7)200422164 機的高度增高，但是爲了降低汽缸裝置2 7的高度，可以 使用伸縮套筒式的汽缸。 此外，托架2 6的高度是設定在使卡盤機構2 3下降並 將生輪胎5安裝在下金屬模6時，托架2 6與中心機構不 干涉。β卩，上述托架2 6的高度設定比上升到上限位置以 縮小氣囊8的中心柱9的長度和被拉進汽缸裝置2 7的狀 態下的導桿2 8的突出長度的總計長度更長。此外，汽缸 裝置2 7所獲得導桿2 8的推出力（下降力）設定爲相對於 裝載裝置2及中心柱9的升降力充分小的値，以使得卡盤 機構23下降時或中心柱9下降時等，可經常維持著導桿 28的前端部嵌合在嵌合凹部12a上的狀態。並且，也可 以構成在將生輪胎5安裝於下金屬模6時，爲了使中心柱 9與卡盤機構23互不干涉而使用足夠長度的爪構件，不 使用托架26。 在上述的構成中，針對輪胎加硫機的動作說明如下。 首先，藉著金屬模升降部4的上升’使金屬模升降部 4位於金屬模固定部3的上方。藉此使下金屬模6與上金 屬模Π形成開模的狀態。其後，利用裝載裝置2的卡盤 機構2 3保持存在於待機位置的未加硫的生輪胎5，藉著 卡盤機構2 3的升降及迴旋，將生輪胎5搬入金屬模6 · 1 1之間。 如圖2 ( a )所示，將生輪胎5的輪胎孔定位在中心 柱9的上方，並使中心機構7的中心柱9上升，經由上部 環1 〇提高氣囊8的上緣部，使氣囊8的內徑縮小較生輪 -10 - (8) (8)200422164 胎5的輪胎孔小。此外，在卡盤機構2 3側，以最大衝程 量使導桿28從汽缸裝置27進出。並且爲了將生輪胎5載 置於下金屬模6，使生輪胎5與卡盤機構2 3同時下降。 因此，首先，在生輪胎5的輪胎孔內插穿中心柱9及 氣囊8。並在該插穿的中途，將導桿28的前端部嵌合在 嵌合構件1 2的嵌合凹部1 2 a。此時，導桿2 8與嵌合構件 1 2 (嵌合凹部1 2 a )在中心軸上一致。因此，在導桿2 8 嵌合於嵌合凹部1 2a上的時刻可強制性定心，使卡盤機構 2 3及保持在該卡盤機構2 3的生輪胎5在中心軸上一致。 又，汽缸裝置2 7所獲得導桿2 8的推出力（下降力） 設定爲相對於裝載裝置2及中心柱9的升降力充分小的 値。藉此，如圖2 ( b )所示，裝載裝置2所得的卡盤機 構2 3持續地下降時，導桿2 8受到中心柱9的反怍用力， 由導桿2 8 —邊維持著嵌合在嵌合凹部1 2 a的狀態下，一 邊朝著汽缸裝置2 7內後退，將生輪胎5載置在下金屬模 6上。藉此，生輪胎5在利用裝載裝置2而安裝至下金屬 模6爲止的過程中，進行調芯使其可經常地相對於中心軸 同心。 其後，如圖2 ( c )所示，爲了使氣囊8沿著生輪胎.5 的內壁面展開，使中心柱9下降。此時，導桿2 8由於藉 著汽缸裝置2 7賦予推出力（下降力），因此與中心柱9 的下降同步而藉著下降來維持與嵌合凹部1 2a的嵌合狀 態。其後，將低壓的加壓加熱媒體供給氣囊內，即進行稱 爲所謂成型的生輪胎5的成形及保持，完成對於下金屬模 -11 - (9) (9)200422164 6的安裝。其結果，生輪胎5在安裝於下金屬模6後使中 心柱9下降，在成型的過程中，同樣進行定心以經常相對 於中心軸形成同心。此外’藉此在生產運轉時，即使例如 裝載裝置相對於中心柱偏心的場合，生輪胎5仍可確實相 對於中心軸定心而形成同心，不致製作不良的輪胎。 如上所述，在生輪胎5對於下金屬模6的安裝完成 時，藉著卡盤機構23解除生輪胎5的保持。並且僅卡盤 機構23上升及水平移動而移動至金屬模6 · 1 1間的外 部。其後，使圖1的上金屬模1 1下降，進行金屬模6· 1 1的合模。藉此，由於生輪胎5在與中心軸同心的狀態 下可正確地設定在金屬模6 · 1 1內，因此可以獲得高品質 進行加硫成形的生輪胎5。並且，如上述獲得之加硫後的 生輪胎5時，利用與上述動作相反的動作將金屬模6 · 1 1 開模後，使得氣囊8縮小，利用卸載機裝置保持生輪胎5 並搬送到外部。其後，搬入新的生輪胎5並重複進行加硫 成形。 此外，在加硫機主體1的定期檢修時等，由於確認導 桿2 8及嵌合構件1 2的軸心與中心軸是否處於同心狀態 時，可以同時檢查導桿2 8與嵌合構件1 2的位置關係，因 此可以簡單地進行檢查作業。並且，在組裝輪胎加硫機的 場合，只要調整導桿2 8及嵌合構件1 2使其與中心軸同 心，即可同時完成導桿2 8與嵌合構件1 2的位置關係的調 整，因此可以容易進行組裝作業。 -12- (10) 200422164 〔實施形態2〕 其次，根據圖3〜圖5說明本發明的第2實施形 下。此外，對於和第1實施形態相同的構件則賦予相 符號，省略其說明。 如圖3所示，本實施形態的輪胎加硫機，具有： 輪胎5進行加硫成形的加硫機主體1，及將生輪胎5 加硫機主體1的裝載裝置2。加硫機主體.1具備有中 構7的金屬模固定部3。中心柱9在氣密狀態下沿著 方向可自由滑動地立設在中心機構7的中心部上。中 9的上端面設有嵌合構件3 1。嵌合構件3 1在上端部 嵌合凹部3 1 a，嵌合凹部3 1 a及嵌合構件3 1設定與 屬模6的中心軸同心。嵌合凹部3 1 a的底面形成逆圓 狀，頂部與中心軸一致。並且，嵌合構件3 1以鐵等 性材料爲主要成分所形成。 此外，在嵌合構件3 1的上方設有與中心軸一致 桿3 0。導桿3 0形成前端部3 Ob具有圓錐形的傾斜 3〇a。藉此，將導桿30嵌合於嵌合構件31的嵌合 3 I a時，即使在水平方向多少有點誤差，也可以沿著 部30b的傾斜側面30a強制性地嵌合在嵌合凹部3 l，a 外，在導桿3 0的前端部3 Ob埋設有電磁鐵，電磁鐵 藉由未圖示的開關的切換在磁性的產生與停止之間切 該電磁鐵在導桿3 0的前端部3 Ob嵌合在嵌合凹部 時，產生磁性並將前端部3 Ob牢固地接合在嵌合凹部 上。另一方面，在導桿3 0的後牺部（上端部）形成 態如 同的 對生 搬入 心機 上下 心柱 備有 下金 錐形 的磁 的導 側面 凹部 丄山 刖辆 。此 可以 換。 12a 12a 有停 -13- (11) (11)200422164 止部30c，該停止部30c具有比導桿30的桿徑更大的 徑。 上述的導桿3 0由設於托架2 6的導桿支撐機構3 6所 支撐。導桿支撐機構3 6 ·隨著中心柱9的下降而可自由進 退移動地支撐導桿3 0。並且導桿支撐機構3 6以在導桿3 0 的停止部3 0 c抵接的方式形成，因此導桿3 0可設定相對 於卡盤機構2 3下降的下限値。 此外，導桿支撐機構3 6具備在預定位置藉著制動力 可以使導桿3 0停止的制動器機構3 2。如圖4所示’制動 器機構3 2，具備：以導桿3 0爲中心呈左右對稱配置的制 動器構件3 3 · 3 3 ;設於該等制動器構件3 3 · 3 3間，施力 使制動器構件3 3 · 3 3遠離導桿3 0的彈簧構件3 4 · 3 4 ; 及使各制動器構件3 3 · 3 3可以在導桿3 0方向自由進退移 動的制動用汽缸裝置35 · 35。 上述的制動用汽缸裝置3 5 · 3 5連接在具備未圖示的 氣壓迴路或油壓迴路等的控制裝置上。控制裝置與裝載裝 置2或加硫機主體1的動作聯動，在使卡盤機構2 3下降 並將導桿3 0嵌合在嵌合凹部3,1 a的期間，產生制動力， 形成嵌合狀態後，將生輪胎5安裝至下金屬模6使中心柱 9下降爲止的期間，解除制動力。其他的構成與第1實施 形態相同。 在上述的構成中，針對輪胎加硫機的動作說明如下。 如圖5 ( a )所示，與第1實施形態同樣地，在開模 後的金屬模6 · 1]之間搬入生輪胎5時，藉著中心機構7 -14- (12) (12)200422164 的中心柱9的上升，經由上部環1 0提高氣囊8的上緣 部’所小氣囊8的直徑小於生輪胎5的輪胎孔。此外，卡 盤機構2 3側，在導桿支撐機構3 6的制動器機構3 2上產 生制動力，以導桿3 0·向下延伸的狀態固定。.並且，爲了 將生輪胎5載置於下金屬模6，使生輪胎5與卡盤機構2 3 同時下降。 藉此，首先在生輪胎5的輪胎孔內插穿中心柱9及氣 囊8。並在g亥插芽的中途’如圖5(b)所示，導桿30的 前端部3 0 b嵌合在嵌合構件3 1的嵌合凹部3 1 a。此時， 導桿3 0與嵌合構件3 1 (嵌合凹部3 1 a )在中心軸上一 致。因此，在導桿3 0嵌合在嵌合凹部3 1 a的時刻可強制 性地定心，使卡盤機構23及保持在該卡盤機構23的生輪 胎5在中心軸上形成一致。此外，即使由於卡盤機構2 3 的定位誤差等使得導桿3 0從中心軸多少產生偏移的場 合’仍可藉著在圓錐形狀的傾斜側面30a形成導桿30前 端的同時，藉著制動器機構3 2固定導桿3 0，將前端部 3〇b滑入嵌入於嵌合凹部31a。 導桿30嵌合在嵌合凹部31a時，一旦停止卡盤機構 2 3的下降。並解除制動器機構3 2的制動力，使導桿3 〇 沿著上下方向可自由移動地支撐著。此外，藉著埋設在導 桿3 0的前端部3 Ob的電磁鐵的動作，將前端部3 Ob吸附 在嵌合構件1 2的嵌合凹部1 2 a，形成牢固的嵌合狀態。 其後，如圖5 ( c )所示，再次開始以裝載裝置2使 卡盤機構23的下降。其結果，導桿30受到中心柱9的反 -15- (13) (13)200422164 作用力’一邊維持著導桿3 0嵌合在嵌合凹部3 i a的狀 態’一邊僅卡盤機構2 3下降，將生輪胎5載置於下金屬 模6。藉此，生輪胎5在利用裝載裝置2安裝至下金屬模 ό爲止的過程中，進行定心使經常可相對於中心軸形成同 心。 其後，如圖5 ( d )所示，爲了使氣囊8沿著生輪胎5 的內壁面展開，使中心柱9下降。此時，導桿3 0由於可 自由移動地支撐在上下方向，因此利用自重與中心柱9的 下降同步下降以維持與嵌合凹部1 2 a的嵌合狀態。另外， 產生藉著磁力維持嵌合狀態的嵌合力的狀態，即使中心柱 9以高速下降而僅依賴導桿3 0的自重會減緩下降，可以 確實地維持著嵌合狀態。其結果，生輪胎5從安裝於下金 屬模6後，使中心柱9下降，以致成型完成爲止的過程 中’進行定心使其經常相對於中心軸同心。 如上所述，完成生輪胎5對於下金屬模6的安裝時’ 藉著卡盤機構2 3解除對生輪胎5的保持。並且僅卡盤機 構23上升及水平移動並移動至金屬模6· 11之間的外 部。以後的動作與第1實施形態相同。 〔實施形態3〕 接著，根據圖6對本發明的第3實施形態進行以下的 說明。此外，對於第1實施形態相同的構件賦予相同的符 號，省略其說明。 如圖6所示，本實施形態的輪胎加硫機，具有：對生 -16- (14) (14)200422164 輪胎5進行加硫成形的加硫機主體1，及將生輪胎5搬入 加硫機主體1的裝載裝置2。加硫機主體1具備有中心機 構7的金屬模固定部3。中心柱9在氣密狀態下沿著上下 方向可自由滑動地立設在中心檄構7的中心部上。在中心 柱9的上端面設有嵌合構件4 1。嵌合構件4 1在上端部具 備嵌合凹部4 1 a，嵌合凹部4 1 a及嵌合構件4 1設定與下 金屬模6的中心軸同心。嵌合凹部4 1 a的底面形成逆圓錐 形狀，頂部與中心軸一致。 此外，在嵌合構件4 1的上方設有與中心軸一致的導 桿40。導桿40的前端部40b形成具有圓錐形狀的傾斜側 面4 0 a。藉此，導桿4 0在嵌合於嵌合構件4 1的嵌合凹部 4 1 a時，在水平方向即使多少產生誤差，也可以沿著前端 部40b的傾斜側面4〇a強制地嵌合在嵌合凹部4〗a上。另 一方面’導桿40的後端部（上端部）具有停止部3 0c， 該停止部30c是形成以托架26停止。 上述的導桿40是以托架26與設於該托架26的施力 機構4 6可自由升降地支撐。施力機構4 6具備兩根支撐導 引桿45 · 45。並且，支撐導引桿45可以是一根或3根以 上。該等支撐導引桿45 · 45以導桿40爲中心左右一對配 置在托架26的上面壁。各支撐導引桿45從托架26的上 面壁向下方可自由升降地設置，同時上端部可以托架2 6 的上面壁停止。支撐板4 4沿著水平方向設置在該等支撐 導引桿45 · 45的下端。支撐板44連結在導桿40的側面 上’與導桿40同時升降。在支撐板44與托架26的上面 -17- (15) (15)200422164 壁之間加裝有插穿各支撐導引桿4 5 · 4 5的彈寶構件4 3 · 43。其他的構成是與第1實施形態相同。 在上述的構成中，針對輪胎加硫機的動作說明如下。 與第1實施形態同樣地，在開模後的金屬模6 ·〗1之 間搬入生輪胎5時，藉著中心機構7的中心柱9的上升， 經由上部環1 0提高氣囊8的上緣部，使氣囊8縮小到比 生輪胎5的輪胎孔小的直徑。並且爲了將生輪胎5載置於 下金屬模6，使生輪胎5與卡盤機構2 3同時下降。 藉此，首先在生輪胎5的輪胎孔內插穿中心柱9及氣 囊8。並在該插穿的中途，將導桿40的前端部40b嵌合 在嵌合構件4 1的嵌合凹部4 1 a.上。此時，導桿4 0與嵌合 構件4 1 (嵌合凹部4 1 a )在中心軸上形成一致。因此，導 桿4 0嵌合在嵌合凹部4 1 a的時刻可強制地定心，使卡盤 機構23及保持於該卡盤機構23的生輪胎5在中心軸上一 致。並且，.即使因卡盤機構2 3的定位誤差等而使導桿4 0 從中心軸多少產生偏移的場合，藉著在圓錐形狀的傾斜側 面40a形成導桿40前端的同時，使導桿40藉著施力機構 46向下方施力時，前端部40b可容易進入嵌合凹部41a。 隨後，持續進行裝載裝置2的卡盤機構23的下降 時，導桿4 0受到中心柱9的反作用力，藉此一邊維持導 桿40嵌合在嵌合凹部4 1 a的狀態，一邊僅卡盤機構23下 降，將生輪胎5載置於下金屬模6。並且，此時導桿4 0 由於導桿40的自重與施力機構46的施力而維持著牢固的 嵌合狀態。因此，生輪胎5在藉由裝載裝置2安裝於下金 -18- (16) (16)200422164 屬模6的過程中，可進行定心使其經常相對於中心軸同 心。 其後，爲了將氣囊8沿著生輪胎5的內壁面展開，使 中心柱 9下降。此時，導桿4 0由於可上下方向自由移 動，因此利用自重與中心柱9的下降同步下降以維持與嵌 合凹部1 2a的嵌合狀態。此外，由於藉著施力機構46向 下方的施力而產生維持嵌合狀態的嵌合力，即使中心柱9 以高速下降而僅藉著導桿4 0的自重減緩下降時，仍可以 確實地維持嵌合狀態。其結果，生輪胎5在安裝於下金屬 模6後，使中心柱9下降，以至成型完成爲止的過程中， 也可以進行定心使其經常相對於中心軸同心。 如上所述，在生輪胎5向下金屬模6的安裝完成畤， 解除卡盤機構2 3對於生輪胎5的保持。並且僅卡盤機構 23上升及水平移動而移動至金屬模6 · 1丨之間的外部。 以後的動作是與第1實施形態相同。 如上所述，第1〜第3實施形態的輪胎加硫機一邊使 中心軸彼此一致，一邊在合模的金屬模6 · 1 1內收容生輪 胎5並成型進行加硫成形，具有保持生輪胎5的卡盤機構 2 3 (卡盤部），水平移動卡盤機構2 3並將生輪胎5搬入 開模後的金屬模6 · 1 1間，同時使卡盤機構2 3升降並使 生輪胎5著位在下金屬模6上的裝載裝置2 (裝載機 構）·，設於下金屬模6側，與中心軸同心配置的嵌合構件 1 2 · 3 1 · 4 1 ;及與中心軸同心設於卡盤機構2 3，在卡盤 機構2 3下降時前端部與嵌合構件〗2 · 3 ]· 4】嵌合的導桿 -19- (17) (17)200422164 2 8 · 3 0 · 4 0所構成。 藉此，例如在加硫機主體1的定期檢修時等，可確認 導桿2 8 · 3 0 · 4 0及嵌合構件1 2 · 3 1 · 4 1的軸心與中心軸 是否處於同心狀態，即可同時檢查導桿2 8 · 3 0 . 4 0與嵌 合構件1 2 · 3 1 · 4 1間的位置關係，因此可以簡單進行檢 查作業。其結果，操作者易於注意定位誤差的產生，可以 充分防止以不充分品質進行加硫成形。並且在組裝輪胎加 硫機的場合，可調整導桿2 8 · 3 0 · 4 0及嵌合構件1 2 · 3 1 · 4 1形成中心軸上同心，同時可完成導桿2 8 · 3 0 · 4 0 與嵌合構件1 2 · 3 1 · 4 1間的位置關係的調整，可以容易 進行組裝作業。 此外，本實施形態的輪胎加硫機，具備有可以升降的 中心柱9，可伸展或縮小氣囊8，在中心柱9的上端面設 有嵌合構件1 2，· 3 1 · 4 1的中心機構7，及隨著中心柱9 的下降可以自由移動地支撐導桿28 · 30 · 40的導桿支撐 機構（汽缸裝置27 ·導桿支撐機構36 ·施力機構46 ·托 架2 6 )的構成。因此在具備氣囊8的氣囊方式的輪胎加 硫機中，可以容易使生輪胎5與金屬模6 · 1 1的中心軸同 心。 此外，在本實施形態中，雖然針對具備氣囊8的氣囊 方式的輪胎加硫機的場合已作說明，但不僅限於此，也可 以運用在無氣囊方式的輪胎加硫機。 此外，嵌合部也可以夾緊裝置固定鎖緊、解除的構 成。並且在本實施形態中，雖然以形成在嵌合構件12· -20- (18) (18)200422164 3i · 41的嵌合凹部12a· 31a· 41a上嵌合導桿28· 30· 4 0的前端部的構成來說明導桿2 8 · 3 0 · 4 0與嵌合構件 1 2 · 3 1 · 4 1的嵌合，但是不僅限於此，也可以藉著在導 桿28· 30· 40形成嵌合凹部，並在嵌合構件12· 31· 41 形成嵌合凸部使之嵌合的構成。此外’爲了容易嵌合前端 部與嵌合凹部’導桿前端部可以不形成圓錐形狀而是形成 凸曲面，在嵌合凹部的開口部附近施以倒角。 此外，在第1實施形態中，導桿支撐機構是以缸桿作 爲導桿3 0的汽缸裝置2 7所構成。因此，可以極簡單的構 成形成導桿支撐機構及導桿3 0。並且，由於高度設定在 最小限度，可利用伸縮套筒式氣缸，降低輪胎加硫機的整 體高度。此外，在第2實施形態中，導桿支撐機構具備可 以在預定位置停止導桿3 0的制動器機構3 2所構成。可藉 此發揮維持與汽缸裝置27構成導桿支撐機構時相同嵌合 狀態的功能，此外並可以將導桿支撐機構的高度抑制在最 小限度，可降低輪胎加硫機的整體高度。並且，制動器機 構3 2也可以卡口鎖構成。 此外，在第3實施形態中，導桿支撐機構爲具有使導 桿4 0朝著下金屬模6施力的施力機構4 6的構成。藉此， 可全部以機械的構成元件來實現維持嵌合狀態的功能。此 外，也可以導套等引導導桿本身使導桿本身的傾斜困難， 也可以捲繞在導桿上的方式設置作爲施力機構的壓縮彈 簧。 根據本發明，在生產運轉時，即使例如裝載裝置相對 -21 - (19) (19)200422164 於中心軸（中心柱）多少產生偏心的場合，生輪胎仍可確 實地相對於中心軸定心形成同心狀，可以防止不良輪胎的 產生。例如加硫機主體的定期檢修時等，只要確認導桿及 嵌合構件的軸心與中心軸是否處於同心狀態·，即可以同時 檢查導桿與嵌合構件間的位置關係，因此可以簡單進行檢 查作業。其結果，操作者容易注意到定位誤差的產生，可 以充分防止以不充分的品質進行加硫成形.。並且可獲得以 下的效果，即在組裝輪胎加硫機的場合，只需將導桿及嵌 合構件調整與中心軸同心，即可同時完成導桿與嵌合構件 間位置關係的調整，可以容易進行組裝作業。 【圖式簡單說明】 圖1是輪胎加硫機的槪略構成圖。 圖2是表示輪胎加硫機的動作過程的說明圖，（a ) 是輪胎搬入隨後的狀態，（b )是輪胎載置隨後的狀態， (c )是使中心柱下降後的狀態。 圖3是輪胎加硫機的槪略構成圖。 圖4是制動器檄構的槪略構成圖。 圖5是表示輪胎加硫機的動作過程的說明偏，（a ) 是輪胎搬入隨後的狀態，（b )是嵌合隨後的狀態:，(c ) 是輪胎載置隨後的狀態（d )是使中心柱下降後的狀態。 圖6是輪胎加硫機的槪略構成圖。 圖7表示現有技術例，是輪胎加硫機的槪略構成圖。 -22- (20) (20)200422164 主要元件對照表 1加硫機主體 2裝載裝置 3金屬模固定部 4金屬模升降部 5生輪胎 6下金屬模 7中心機構 8氣囊 9中心柱 1 〇上部環 ,11上金屬模 1 2嵌合構件 1 2 a嵌合凹部 2 1 垂直框架 22臂構件 2 3卡盤機構 2 4卡盤支撐板 2 4 a貫穿部 2 5爪構件 2 6托架 2 7汽缸裝置 28導桿 30導桿 -23- (21) (21)200422164 3 0 a側面 3 0b前端部 3 0 c停止部 3 1嵌合構件 3 1 a嵌合凹部 3 2制動器機構 3 3制動器構件 3 5制動用汽缸裝置 3 6導桿支撐機構 40導桿 4 0 a傾斜側面 40b前端部 4 1嵌合構件 4 1 a嵌合凹部 43彈簧構件 44支撐板 45支撐導桿 46施力機構 5 1上金屬模 5 2下金屬模 5 3生輪胎 5 4卡盤部 55裝載機構 5 6插穿孔 -24- (22) 200422164 (22) 57導桿 -25-200422164 (1) 发明. Description of the invention [Technical field to which the invention belongs] The present invention relates to a tire vulcanizing machine for vulcanizing and molding a tire. [Previous technology] When the tire vulcanizer matches the center axes with each other, it is expected that the green tire and the center shaft can be set concentrically when the green tire is stored in the upper mold and the lower mold of the clamping mold and vulcanized. And vulcanization so that high-quality vulcanized tires can be obtained. Therefore, in the prior art, for example, as shown in FIG. 7, after the upper mold 51 and the lower mold 52 are opened, the green tire 5 3 is held by the chuck portion 54 of the loading mechanism 55, and the chuck portion 5 4 The horizontal movement moves the green tire 5 3 between the two metal molds 5 1 · 5 2. Then, the chuck portion 54 is lowered, and the guide rod 57 is inserted through the insertion hole 56 provided on the root side of the chuck portion 54, and is set so that the center of the green tire 53 and the lower mold 52 is positioned while positioning. The shafts form a concentric arrangement. After that, the green tire 5 3 is molded by the center mechanism, the chuck portion 53 is retracted from the metal mold 5 1 · 5 2, and the two metal molds 5 1 · 5 2 are lowered by the lower metal mold 51. The central axes of the molds are clamped in unison with each other, and vulcanized with respect to the green tire 5 3 in the metal mold 5 1 · 5 2 (for example, see Japanese Patent Laid-Open Publication No. 7-4012). However, in the above-mentioned prior art device, when the positional relationship between the insertion hole 56 and the guide rod 57 is changed, or when the installation state (axial direction) of the guide rod 57 is changed, the green tire 53 is moved relative to the center axis. It is positioned in a state with errors, but at this time, it is indirectly set by using the insertion hole 5 6 and the guide rod 5 7 provided at the center axis position of the -4- (2) (2) 200422164 away from the lower metal mold 5 2. The raw tire 53 years are positioned concentrically on the central axis, so it is difficult for the operator to notice the problem of positioning errors. As a result, a plurality of raw tires 53 are subjected to vulcanization with insufficient quality. In addition, when assembling or overhauling the tire vulcanizer, it is necessary to confirm that the guide rod 57 is parallel to the center axis and perform adjustment, and confirm that the guide rod 57 and the insertion hole 56 are in a concentric position and adjust. Assignment. As a result, the following problems arise: the work during assembly or maintenance of the tire vulcanizer is difficult, and a long work time is required. [Summary of the Invention] Therefore, the present invention provides a tire vulcanizer that can easily confirm the occurrence of positioning errors and can easily eliminate the positioning errors. In order to understand and resolve the above-mentioned problems, the present invention is a tire vulcanizing machine for vulcanizing and shaping a green tire, comprising: a metal mold for accommodating a green tire and for clamping; the metal mold is composed of an upper metal mold and a lower metal mold. Hold the chuck portion of the green tire; move the green tyre into the loading mechanism between the upper metal mold and the lower metal mold in a mold-opened state by moving the chuck portion, the loading mechanism may be seated in the aforementioned A metal mold; a fitting member provided on the side of the lower metal mold of the vulcanizing machine and arranged concentrically with a central axis of the lower metal mold; and a guide provided concentrically with the held green tire on the chuck portion When the guide rod is in the green tire in-position operation of the chuck portion, the front end portion of the guide rod is engaged with the fitting member. According to the above-mentioned structure, for example, during periodic maintenance of the main body of the vulcanizer-5- (3) (3) 200422164, etc., it can be checked at the same time when confirming whether the axis of the guide rod and the fitting member and the central axis are concentric. The positional relationship between the guide bar and the fitting member allows easy inspection work. As a result, it is easy for the operator to notice the occurrence of positioning errors, and it is possible to sufficiently prevent the formation of sulfur with insufficient quality. In addition, when assembling a tire vulcanizer, it is also possible to adjust the guide rod and the fitting member to form a concentricity on the central axis, and then the adjustment of the positional relationship between the guide rod and the fitting member can be ended at the same time, so the assembly operation can be easily performed. In the present invention, the tire vulcanizer configured as described above further includes: a central pillar that can be freely raised and lowered, and the fitting member is provided on an upper end surface of the central pillar; and the forward and backward can be advanced as the central pillar is lowered. A guide rod support mechanism that movably supports the aforementioned guide rod. Therefore, the tire can be easily and reliably concentric with the center axis of the mold. Further, in the present invention, the tire vulcanizing machine having the above-mentioned configuration may be further configured with an airbag, and the central pillar may be raised and lowered to extend and reduce the airbag. Thereby, also in the tire vulcanizer of the airbag type equipped with the airbag, the tire and the center axis of the mold can be easily and surely concentric. The guide rod support mechanism may use a cylinder rod as a cylinder device for the guide rod. Thereby, the guide rod support mechanism and the guide rod can be formed with a very simple structure. Alternatively, the guide rod supporting mechanism is provided with a brake mechanism capable of stopping the guide rod at a predetermined position. Thereby, it is possible to perform the function of maintaining the fitted state similarly to the case where the guide rod support mechanism is constituted by the cylinder device. The overall height of the tire vulcanizer is kept low. Alternatively, the guide rod supporting mechanism may include a biasing mechanism for urging the guide rod toward the lower mold. This makes it possible to realize the function of maintaining the fitted state without requiring mechanical components of the power source. [Embodiment] [Embodiment 1] Hereinafter, a first embodiment of the present invention will be described with reference to Figs. 1 and 2. As shown in FIG. 1, the tire vulcanizing machine of this embodiment includes a vulcanizing machine main body 1 that vulcanizes and molds a green tire 5; a vulcanizing machine main body 1 that loads a raw device 5 into a green tire 5; and a loading and unloading device 2 Unillustrated unloader for sulfur tire. The vulcanizer main body 1 includes a mold fixing portion 3 provided on the bottom surface, and a mold lifting portion 4 which is raised and lowered with respect to the mold fixing portion 3. The metal mold fixing portion 3 includes a lower metal mold 6 that abuts the lower side, wall, etc. of the green tire 5; a lower heating mechanism (not shown) that heats the lower metal mold 6 to a predetermined temperature; The center mechanism 7 at the center of the lower mold 6. The above-mentioned center mechanism 7 includes a lower ring mechanism (not shown) fixed to the lower mold 6. The lower ring mechanism is formed to be in contact with the lower bead portion of the green tire 5, and a lower edge portion that sandwiches the airbag 8 is formed. In addition, the lower ring mechanism is connected to a pressurized heating medium (not shown) that supplies a pressurized heating medium such as steam or nitrogen. 7- (5) (5) 200422164 The heating medium supply device is connected to supply the pressurized heating medium from the device. Into the airbag 8. The center column 9 is erected on the center portion of the above-mentioned lower ring mechanism so as to slide freely in the vertical direction in an air-tight state. The upper end of the center pillar 9 is provided with an upper ring 10. The upper ring 10 holds the upper edge portion of the airbag 8. Further, a fitting member 12 is provided on the upper end surface of the center pillar 9. The fitting member 12 is provided with a fitting recessed portion 12a at an upper end portion, and the fitting recessed portion 12a and the fitting member 12 are set to be concentric with the central axis of the lower mold 6. Further, a column lifting mechanism (not shown) capable of lifting and lowering the center pillar 9 to an arbitrary height position is connected to the lower end portion of the center pillar 9. The column lifting mechanism raises the center pillar 9 to the upper limit position when the green tire 5 is loaded in or the vulcanized tire is loaded out, lifts the upper edge portion of the airbag 8, and sets the airbag 8 smaller than the tire hole of the green tire 5. On the other hand, when the green tire 5 is vulcanized and formed, the airbag 8 is inserted into the green tire 5 and the center pillar 9 is lowered and enlarged to a diameter that can abut the inner wall surface of the tire. When the airbag 8 expanded and contracted by using the above-mentioned center pillar 9 is used in the vulcanization molding of the green tire 5, the inner wall surface of the tire is pushed toward the mold by supplying a pressurized heating medium. For example, a low-elongation extension that is difficult to deteriorate in a high temperature environment is used. Formed of sexual materials. In addition, a die lift section 4 and an upper die 11 are provided above the center pillar 9. The upper mold 11 is in contact with the upper side wall of the green tire 5 and the like, and is provided with a mold lifting mechanism (not shown) for lifting and lowering the mold lifting portion 4. A loader 2 is disposed on the side of the main body 1 of the vulcanizer constructed as described above. The loading device 2 includes a vertical frame 2 1 which is parallel to the central axis and is vertical to the bottom surface (6) (6) 200422164. The vertical frame 2 1 is a vertical guide that lifts and lowers the vertical frame 21 in the vertical direction. ; And a swing mechanism that swings horizontally with the vertical frame 21 as the swing center. The elevating mechanism and the turning mechanism support the base end portion of the arm member 22 so that the arm member 22 can be raised and lowered in the vertical direction and rotated in the horizontal direction. A chuck mechanism 23 is provided at a front end portion of the arm member 22 described above. The chuck mechanism 23 includes a chuck support plate 24 arranged horizontally and a plurality of claw members 25 provided under the chuck support plate 24. The chuck support plate 24 has a through-hole 24a. The through-hole 24a is formed when the chuck mechanism 23 is carried into the mold 6 · 11, and the center point coincides with the center axis. The above-mentioned claw members 25 are arranged around the through-holes 2 4 a at regular intervals. The claw members 2 5 can freely move forward and backward in a diameter direction with respect to a center point (center axis). When the claw member 25 is moved in the direction of the center point (central axis), the diameter of the claw member 25 connected to the front end portion of the claw member 25 is reduced to be smaller than the diameter of the green tire 5. When the claw member 2 5 is moved in the reverse direction, the claw member 2 is set. The diameter connected to the front end of 5 is larger than the diameter of the green tire 5. With this, the chuck mechanism 23 can hold the green tire 5 detachably by using the movement of the claw member 25. In addition, the upper surface of the chuck support plate 24 is provided with a bracket 2 6 that spans the through hole 2 4a. . The bracket 26 supports the cylinder device 27 which operates by air. The cylinder device 27 includes a cylinder rod as a guide rod 28 facing downward. When the guide rod 2.8 penetrates the through hole 24a and the setting chuck mechanism 23 is carried into the mold 6 · 1 1, the shaft center is concentric with respect to the center axis. With the installation of the cylinder body, the mold opening stroke of the upper and lower metal molds is increased, although the height of the vulcanizing-9- (7) (7) 200422164 machine is increased, but in order to reduce the height of the cylinder device 27, Telescopic sleeve cylinders can be used. The height of the bracket 26 is set so that the chuck mechanism 23 is lowered and the green tire 5 is mounted on the lower mold 6. The bracket 26 does not interfere with the center mechanism. β 卩, the height setting of the above bracket 26 is longer than the total length of the center column 9 raised to the upper limit position to reduce the length of the center pillar 9 of the airbag 8 and the protruding length of the guide rod 28 in the state of being pulled into the cylinder device 27. . In addition, the pushing force (lowering force) of the guide rod 28 obtained by the cylinder device 27 is set to be sufficiently small relative to the lifting force of the loading device 2 and the center pillar 9 so that the chuck mechanism 23 is lowered or the center pillar 9 is lowered. At the time of lowering, the state where the front end portion of the guide rod 28 is fitted in the fitting recessed portion 12 a can be maintained constantly. In addition, when the green tire 5 is mounted on the lower mold 6, a claw member having a sufficient length may be used so that the center post 9 and the chuck mechanism 23 do not interfere with each other, and the bracket 26 may not be used. In the above configuration, the operation of the tire vulcanizer will be described below. First, the mold elevating portion 4 is positioned above the mold fixing portion 3 by raising the mold elevating portion 4 '. Thereby, the lower metal mold 6 and the upper metal mold Π are opened. Thereafter, the unvulcanized green tire 5 existing in the standby position is held by the chuck mechanism 23 of the loading device 2, and the green tire 5 is carried into the metal mold 6 · 1 1 by lifting and turning of the chuck mechanism 2 3 between. As shown in FIG. 2 (a), the tire hole of the green tire 5 is positioned above the center pillar 9, and the center pillar 9 of the center mechanism 7 is raised, and the upper edge portion of the airbag 8 is raised through the upper ring 10 to make the airbag The inner diameter reduction of 8 is smaller than the tire hole of the raw wheel -10-(8) (8) 200422164 tire 5. In addition, on the chuck mechanism 23 side, the guide rod 28 is moved in and out of the cylinder unit 27 by the maximum stroke amount. In order to place the green tire 5 on the lower mold 6, the green tire 5 and the chuck mechanism 23 are lowered simultaneously. Therefore, first, the center pillar 9 and the airbag 8 are inserted into the tire hole of the green tire 5. In the middle of this insertion, the front end portion of the guide rod 28 is fitted into the fitting recessed portion 12 a of the fitting member 12. At this time, the guide rod 28 and the fitting member 1 2 (the fitting recessed portion 1 2 a) are aligned on the central axis. Therefore, when the guide rod 2 8 is fitted into the fitting recessed portion 12 a, the chuck mechanism 23 and the green tire 5 held by the chuck mechanism 23 can be aligned on the central axis. The pushing force (lowering force) of the guide rod 28 obtained by the cylinder device 27 is set to be sufficiently small with respect to the lifting force of the loading device 2 and the center pillar 9. As a result, as shown in FIG. 2 (b), when the chuck mechanism 23 obtained by the loading device 2 is continuously lowered, the guide rod 28 is subjected to the counterforce of the center column 9, and the insert is maintained by the guide rod 28 In a state of being fitted in the fitting recesses 1 2 a, the green tire 5 is placed on the lower metal mold 6 while retreating toward the inside of the cylinder device 27. With this, the green tire 5 is aligned so that it can be constantly concentric with respect to the central axis during the process until the green tire 5 is mounted on the lower mold 6 by the loading device 2. Thereafter, as shown in FIG. 2 (c), in order to deploy the airbag 8 along the inner wall surface of the green tire .5, the center pillar 9 is lowered. At this time, since the guide rod 28 is given a pushing force (lowering force) by the cylinder device 27, it is synchronized with the lowering of the center pillar 9 and the lowering is performed to maintain the fitting state with the fitting recess 12a. Thereafter, the low-pressure pressurized heating medium is supplied into the airbag, and the so-called molded green tire 5 is formed and held, and the lower mold -11-(9) (9) 200422164 6 is installed. As a result, the green tire 5 is lowered at the center post 9 after being mounted on the lower metal mold 6, and during the molding process, it is also centered so as to form concentricity with respect to the center axis. In addition, during the production operation, even if the loading device is eccentric with respect to the center column, the green tire 5 can be reliably centered with respect to the center axis to form concentricity, so that a defective tire is not produced. As described above, when the mounting of the green tire 5 to the lower mold 6 is completed, the holding of the green tire 5 is released by the chuck mechanism 23. In addition, only the chuck mechanism 23 moves up and moves horizontally to the outside of the mold 6 · 11. Thereafter, the upper mold 11 of FIG. 1 is lowered, and the molds 6 · 1 1 are clamped. Thereby, the green tire 5 can be accurately set in the mold 6 · 1 1 in a state concentric with the central axis, so that a high-quality green tire 5 can be obtained. In addition, when the vulcanized green tire 5 obtained as described above is used, the metal mold 6 · 1 1 is opened by the operation opposite to the above operation to reduce the airbag 8, and the unloader device is used to hold the green tire 5 and transport it to the outside. . Thereafter, a new green tire 5 is carried in and vulcanization molding is repeated. In addition, during periodic maintenance of the main body 1 of the vulcanizer, etc., it is possible to check the guide rod 28 and the fitting member 1 at the same time when confirming whether the axis and center axis of the guide rod 28 and the fitting member 12 are concentric. 2 positional relationship, so inspection can be easily performed. In addition, when assembling a tire vulcanizer, as long as the guide rod 28 and the fitting member 12 are adjusted to be concentric with the central axis, the positional relationship between the guide rod 28 and the fitting member 12 can be adjusted at the same time. Therefore, assembly work can be easily performed. -12- (10) 200422164 [Embodiment 2] Next, a second embodiment of the present invention will be described with reference to Figs. 3 to 5. In addition, the same reference numerals are given to the same members as those in the first embodiment, and descriptions thereof are omitted. As shown in FIG. 3, the tire vulcanizing machine of this embodiment includes a vulcanizing machine main body 1 that vulcanizes a tire 5 and a loading device 2 that vulcanizes the green tire main body 1. The vulcanizer body .1 is provided with a mold fixing portion 3 having a structure 7. The center post 9 is provided on the center of the center mechanism 7 so as to be freely slidable in the direction in an air-tight state. The upper end surface of the middle 9 is provided with a fitting member 31. The fitting member 3 1 is fitted at the upper end with the fitting recessed portion 3 1 a, the fitting recessed portion 3 1 a and the fitting member 31 are set concentrically with the central axis of the mold 6. The bottom surface of the fitting recess 3 1 a is formed in a round shape, and the top is aligned with the central axis. Further, the fitting member 31 is formed of a material such as iron as a main component. Further, a lever 30 which coincides with the central axis is provided above the fitting member 31. The guide rod 30 forms a tip portion 3 Ob having a conical inclination 30a. Thereby, when the guide bar 30 is fitted to the fitting 3 I a of the fitting member 31, even if there is a slight error in the horizontal direction, the fitting can be forcibly fitted to the fitting recess 3 along the inclined side surface 30a of the portion 30b. In addition to l, a, an electromagnet is embedded in the front end 3 Ob of the guide rod 30. The electromagnet cuts the electromagnet at the front end portion of the guide rod 30 between the generation and the stop of the magnet by switching of a switch (not shown). When 3 Ob is fitted in the fitting recess, magnetism is generated and the leading end 3 Ob is firmly joined to the fitting recess. On the other hand, the rear sacrifice part (upper end part) of the guide rod 30 is formed in the same state as the opposite. It is moved into the upper and lower cores of the heart, and the lower side of the core is provided with a tapered magnetic cone. This can be changed. 12a 12a has a stop -13- (11) (11) 200422164 A stop 30c having a larger diameter than the rod diameter of the guide rod 30. The above-mentioned guide rod 30 is supported by a guide rod support mechanism 36 provided on the bracket 26. Guide rod support mechanism 3 6 · The guide rod 30 is supported to be freely moved forward and backward as the center pillar 9 descends. In addition, the guide rod support mechanism 36 is formed so as to be in contact with the stop portion 30 c of the guide rod 30. Therefore, the lower limit 値 of the guide rod 30 relative to the chuck mechanism 23 can be set. In addition, the guide support mechanism 36 is provided with a brake mechanism 32 that can stop the guide 30 by a braking force at a predetermined position. As shown in FIG. 4, the brake mechanism 3 2 includes brake members 3 3 · 3 3 which are symmetrically arranged about the guide rod 30 as a center; and is provided between the brake members 3 3 · 3 3 to apply a force to the brake. The members 3 3 · 3 3 are separated from the spring members 3 4 · 3 4 of the guide rod 30 and the brake cylinder devices 35 · 35 that allow each brake member 3 3 · 3 3 to move freely forward and backward in the direction of the guide rod 30. The above-described brake cylinder device 3 5 · 3 5 is connected to a control device including a pneumatic circuit or a hydraulic circuit (not shown). The control device is linked with the operation of the loading device 2 or the vulcanizer body 1. During the period when the chuck mechanism 23 is lowered and the guide rod 30 is fitted into the fitting recess 3, 1 a, a braking force is generated to form a fitting. After the state, the green tire 5 is mounted until the lower mold 6 lowers the center pillar 9 and the braking force is released. The other structures are the same as those of the first embodiment. In the above configuration, the operation of the tire vulcanizer will be described below. As shown in FIG. 5 (a), as in the first embodiment, when the green tire 5 is carried in between the molds 6 · 1] after the mold is opened, the central mechanism 7 -14- (12) (12) The rise of the center pillar 9 of 200422164 raises the upper edge portion of the airbag 8 through the upper ring 10, and the diameter of the small airbag 8 is smaller than the tire hole of the green tire 5. In addition, on the chuck mechanism 23 side, a braking force is generated on the brake mechanism 32 of the guide rod support mechanism 36, and is fixed in a state where the guide rod 30 is extended downward. In order to place the green tire 5 on the lower die 6, the green tire 5 and the chuck mechanism 2 3 are lowered simultaneously. Accordingly, first, the center pillar 9 and the airbag 8 are inserted into the tire hole of the green tire 5. As shown in Fig. 5 (b), the tip portion 30b of the guide rod 30 is fitted into the fitting recessed portion 31a of the fitting member 31, as shown in Fig. 5 (b). At this time, the guide rod 30 and the fitting member 3 1 (the fitting recessed portion 3 1 a) are aligned on the central axis. Therefore, when the guide bar 30 is fitted in the fitting recess 31a, the centering can be forcibly performed, so that the chuck mechanism 23 and the green tire 5 held by the chuck mechanism 23 are aligned on the central axis. In addition, even if the guide rod 30 is slightly offset from the central axis due to a positioning error of the chuck mechanism 23, etc., the front end of the guide rod 30 can be formed by the tapered inclined side surface 30a, and the brake can also be used. The mechanism 32 fixes the guide bar 30 and slides the front end portion 30b into the fitting recess 31a. When the guide bar 30 is fitted in the fitting recess 31a, the lowering of the chuck mechanism 23 is stopped once. Then, the braking force of the brake mechanism 32 is released, and the guide rod 30 is supported so as to be freely movable in the vertical direction. In addition, by the operation of the electromagnet embedded in the front end portion 3 Ob of the guide rod 30, the front end portion 3 Ob is attracted to the fitting recessed portion 12a of the fitting member 12 to form a firm fitting state. Thereafter, as shown in FIG. 5 (c), the lowering of the chuck mechanism 23 by the loading device 2 is started again. As a result, the guide rod 30 receives the reaction force of the center post 9-(13) (13) 200422164. The chuck mechanism 2 3 is maintained while maintaining the state where the guide rod 30 is fitted in the fitting recess 3 ia. Lowering, the green tire 5 is placed on the lower metal mold 6. Thereby, the green tire 5 is centered so that the green tire 5 can be formed concentrically with respect to the center axis during the process of mounting the green tire 5 to the lower mold by the loading device 2. Thereafter, as shown in FIG. 5 (d), in order to deploy the airbag 8 along the inner wall surface of the green tire 5, the center pillar 9 is lowered. At this time, since the guide rod 30 is supported in the up-and-down direction so as to be freely movable, its own weight is lowered in synchronization with the lowering of the center pillar 9 to maintain the fitting state with the fitting recess 12a. In addition, a state in which the fitting force is maintained by the magnetic force is generated, and even if the center pillar 9 is lowered at a high speed, only the weight of the guide rod 30 alone will slow down, and the fitting state can be reliably maintained. As a result, after the green tire 5 is mounted on the lower metal mold 6, the center pillar 9 is lowered so that during the molding process, the centering is performed so that it is always concentric with respect to the center axis. As described above, when the installation of the green tire 5 to the lower mold 6 is completed, the holding of the green tire 5 is released by the chuck mechanism 23. And only the chuck mechanism 23 moves up and moves horizontally to the outside between the molds 6 · 11. Subsequent operations are the same as those of the first embodiment. [Embodiment 3] Next, a third embodiment of the present invention will be described below with reference to Fig. 6. In addition, the same reference numerals are given to the same members in the first embodiment, and descriptions thereof are omitted. As shown in FIG. 6, the tire vulcanizing machine of this embodiment includes a vulcanizing machine body 1 that vulcanizes a raw -16- (14) (14) 200422164 tire 5 and a raw tire 5 that is vulcanized. Machine loading device 2. The vulcanizer main body 1 includes a mold fixing portion 3 having a center mechanism 7. The center column 9 is erected on the center of the center frame 7 so as to be freely slidable in the vertical direction in an air-tight state. A fitting member 41 is provided on the upper end surface of the center pillar 9. The fitting member 41 is provided with a fitting recessed portion 41a at the upper end, and the fitting recessed portion 41a and the fitting member 41 are set to be concentric with the central axis of the lower die 6. The bottom surface of the fitting recess 41a is formed into an inverse conical shape, and the top is aligned with the central axis. A guide bar 40 is provided above the fitting member 41 to coincide with the central axis. The front end portion 40b of the guide bar 40 forms an inclined side surface 40a having a conical shape. This allows the guide bar 40 to be forcibly fitted along the inclined side surface 40a of the front end portion 40b even if there is a slight error in the horizontal direction when the guide bar 40 is fitted into the fitting recessed portion 41a of the fitting member 41. On the fitting recess 4a. On the other hand, the rear end portion (upper end portion) of the 'guide bar 40 has a stop portion 30c, and the stop portion 30c is formed to stop by the bracket 26. The above-mentioned guide bar 40 is supported by the bracket 26 and a biasing mechanism 46 provided in the bracket 26 so as to be able to be raised and lowered freely. The urging mechanism 46 includes two support guide rods 45 and 45. The number of the support guide rods 45 may be one or three or more. The support guide rods 45 and 45 are arranged on the upper wall of the bracket 26 with a pair of left and right with the guide rod 40 as a center. Each of the support guides 45 is provided freely up and down from the upper wall of the bracket 26, and the upper end portion can be stopped by the upper wall of the bracket 26. A support plate 44 is provided at the lower ends of the support guide rods 45 and 45 in the horizontal direction. The support plate 44 is connected to the side surface of the guide bar 40 'while being raised and lowered simultaneously with the guide bar 40'. Between the wall of the support plate 44 and the upper surface of the bracket 26 -17- (15) (15) 200422164, a bullet member 4 3 · 43 is inserted through each of the support guide rods 4 5 · 4 5. The other configurations are the same as those of the first embodiment. In the above configuration, the operation of the tire vulcanizer will be described below. As in the first embodiment, when the green tire 5 is moved between the molds 6 and 1 after the mold is opened, the upper edge of the airbag 8 is raised through the upper ring 10 by the rise of the center pillar 9 of the center mechanism 7 The airbag 8 is reduced to a smaller diameter than the tire hole of the green tire 5. In order to place the green tire 5 on the lower mold 6, the green tire 5 and the chuck mechanism 23 are lowered simultaneously. Accordingly, first, the center pillar 9 and the airbag 8 are inserted into the tire hole of the green tire 5. In the middle of this insertion, the front end portion 40b of the guide bar 40 is fitted into the fitting recessed portion 4 1 a. Of the fitting member 41. At this time, the guide rod 40 and the fitting member 4 1 (the fitting recessed portion 4 1 a) are aligned on the central axis. Therefore, when the guide bar 40 is fitted in the fitting recess 41a, the centering can be forcibly centered so that the chuck mechanism 23 and the green tire 5 held by the chuck mechanism 23 are aligned on the central axis. In addition, even if the guide rod 40 is slightly offset from the central axis due to a positioning error of the chuck mechanism 23, etc., the front end of the guide rod 40 is formed by the tapered inclined side surface 40a, and the guide rod 40 is formed. 40. When the biasing mechanism 46 is biased downward, the distal end portion 40b can easily enter the fitting recess 41a. Subsequently, when the chuck mechanism 23 of the loading device 2 is continuously lowered, the guide bar 40 receives a reaction force from the center post 9, thereby maintaining only the state in which the guide bar 40 is fitted in the fitting recess 41a, and only the card is stuck. The disk mechanism 23 is lowered, and the green tire 5 is placed on the lower mold 6. Further, at this time, the guide rod 40 is maintained in a tightly fitted state due to the weight of the guide rod 40 and the urging force of the urging mechanism 46. Therefore, the green tire 5 can be centered so that it is often concentric with respect to the central axis during the mounting of the green tire 5 on the lower mold 6 by the loading device 2 (16) (16) 200422164. Thereafter, in order to deploy the airbag 8 along the inner wall surface of the green tire 5, the center pillar 9 is lowered. At this time, since the guide rod 40 can move freely in the up-down direction, the weight of the guide rod 40 is lowered in synchronization with the lowering of the center pillar 9 to maintain the fitting state with the fitting recess 12a. In addition, since the fitting force for maintaining the fitting state is generated by the biasing force of the biasing mechanism 46 downward, even if the center pillar 9 is lowered at a high speed and only the weight of the guide rod 40 is slowed down, it can still be reliably maintained. Mating state. As a result, after the green tire 5 is attached to the lower mold 6, the center pillar 9 is lowered, and the centering can be performed so that the center pillar 9 is always concentric with respect to the center axis during the molding process. As described above, the installation of the downward mold 6 to the green tire 5 is completed, and the holding of the green tire 5 by the chuck mechanism 23 is released. And only the chuck mechanism 23 moves up and moves horizontally to the outside between the molds 6 · 1 丨. The subsequent operations are the same as those of the first embodiment. As described above, the tire vulcanizing machines according to the first to third embodiments have the green shafts in the mold clamping mold 6 · 11 while forming the vulcanization molding while aligning the central axes with each other. 5 chuck mechanism 2 3 (chuck section), horizontally move the chuck mechanism 2 3 and carry the green tire 5 into the mold 6 · 1 1 after the mold is opened, and at the same time raise and lower the chuck mechanism 23 and make the green tire 5 loading device 2 (loading mechanism) seated on the lower metal mold 6; a fitting member 1 2 · 3 1 · 4 1 provided on the lower metal mold 6 side and arranged concentrically with the central axis; and For the chuck mechanism 2 3, when the chuck mechanism 23 is lowered, the front end part and the fitting member〗 2 · 3] · 4] Fitting guide -19- (17) (17) 200422164 2 8 · 3 0 · 4 0. This makes it possible to check whether the axis of the guide rod 2 8 · 3 0 · 4 0 and the fitting member 1 2 · 3 1 · 4 1 are concentric with each other, for example, during regular maintenance of the main body 1 of the vulcanizer. , The positional relationship between the guide rods 2 8 · 3 0. 40 and the fitting member 1 2 · 3 1 · 4 1 can be checked at the same time, so the inspection operation can be easily performed. As a result, it is easy for the operator to notice the occurrence of positioning errors, and it is possible to sufficiently prevent the vulcanization molding from being performed with insufficient quality. When assembling a tire vulcanizer, the guide rods 2 8 · 3 0 · 4 0 and the fitting members 1 2 · 3 1 · 4 1 can be adjusted to form a concentric center axis, and the guide rods 2 8 · 3 0 can be completed at the same time. The adjustment of the positional relationship between 40 and the fitting members 1 2 · 3 1 · 4 1 makes assembly work easy. In addition, the tire vulcanizer of this embodiment is provided with a center pillar 9 that can be raised and lowered, an airbag 8 can be extended or contracted, and a center of the fitting member 1 2, · 3 1 · 4 1 is provided on the upper end surface of the center pillar 9. Mechanism 7, and guide rod support mechanism (cylinder device 27, guide rod support mechanism 36, force application mechanism 46, bracket 2 6) that can freely move the guide rods 28 · 30 · 40 as the center pillar 9 descends Make up. Therefore, in the tire vulcanizer of the airbag type including the airbag 8, the center axis of the green tire 5 and the mold 6 · 1 1 can be easily concentric. In the present embodiment, the case of an airbag type tire vulcanizing machine having the airbag 8 has been described. However, the present invention is not limited to this, and can also be applied to an airbag type tire vulcanizing machine. In addition, the fitting portion may be configured to be fixedly locked and released by a clamping device. Furthermore, in this embodiment, the guide rods 28 · 30 · 40 are fitted to the fitting recesses 12a · 31a · 41a formed in the fitting members 12 · -20- (18) (18) 200422164 3i · 41. The configuration of the front end portion will explain the fitting of the guide rods 2 8 · 3 0 · 4 0 and the fitting members 1 2 · 3 1 · 4 1, but it is not limited to this and may be formed by the guide rods 28 · 30 · 40 The recessed part is fitted, and a fitting convex part is formed in the fitting member 12 · 31 · 41 to fit it. In addition, in order to facilitate the fitting of the leading end portion and the fitting recessed portion, the leading end portion of the guide rod may be formed into a convex curved surface without forming a conical shape, and a chamfer may be formed near the opening portion of the fitting recessed portion. Further, in the first embodiment, the guide rod support mechanism is constituted by a cylinder device 27 in which a cylinder rod is used as the guide rod 30. Therefore, the guide rod support mechanism and the guide rod 30 can be extremely simply constructed. In addition, since the height is set to a minimum, a telescopic sleeve cylinder can be used to reduce the overall height of the tire vulcanizer. In addition, in the second embodiment, the guide rod supporting mechanism includes a brake mechanism 32 capable of stopping the guide rod 30 at a predetermined position. This function can maintain the same fitting state as when the cylinder device 27 constitutes the guide rod support mechanism, and further, the height of the guide rod support mechanism can be suppressed to a minimum, and the overall height of the tire vulcanizer can be reduced. In addition, the brake mechanism 32 may be configured with a bayonet lock. In addition, in the third embodiment, the guide rod support mechanism is configured to include a biasing mechanism 46 for urging the guide rod 40 toward the lower mold 6. Thereby, the function of maintaining the fitted state can be realized by all the mechanical constituent elements. In addition, the guide itself such as a guide bush may make it difficult to tilt the guide itself, or a compression spring as a force applying mechanism may be provided so as to be wound around the guide. According to the present invention, even if, for example, the loading device is eccentric to the central axis (central pillar) relative to -21-(19) (19) 200422164 during production operation, the green tire can be reliably centered with respect to the central axis. Concentric shape can prevent the occurrence of bad tires. For example, during periodic maintenance of the main body of the vulcanizer, as long as the axes of the guide rod and the fitting member are aligned with the central axis, the positional relationship between the guide rod and the fitting member can be checked at the same time, so it can be easily performed. check homework. As a result, it is easy for the operator to notice the occurrence of the positioning error, and it is possible to sufficiently prevent the vulcanization forming with insufficient quality. In addition, when assembling a tire vulcanizer, it is possible to adjust the positional relationship between the guide rod and the fitting member at the same time by adjusting the guide rod and the fitting member to be concentric with the central axis. Perform assembly operations. [Brief description of the drawings] FIG. 1 is a schematic configuration diagram of a tire vulcanizer. FIG. 2 is an explanatory diagram showing the operation process of the tire vulcanizer, (a) is a state in which the tire is moved in, (b) is a state in which the tire is placed, and (c) is a state in which the center pillar is lowered. FIG. 3 is a schematic configuration diagram of a tire vulcanizer. FIG. 4 is a schematic configuration diagram of a brake mechanism. FIG. 5 is an explanatory diagram showing the operation process of the tire vulcanizer. (A) is the state after the tire is moved in, (b) is the state after the fitting: (c) is the state after the tire is placed (d) is After the center pillar is lowered. Fig. 6 is a schematic configuration diagram of a tire vulcanizer. FIG. 7 shows a conventional example and is a schematic configuration diagram of a tire vulcanizer. -22- (20) (20) 200422164 Comparison table of main components 1 Vulcanizer body 2 Loading device 3 Metal mold fixing part 4 Metal mold lifting part 5 Raw tire 6 Lower metal mold 7 Center mechanism 8 Airbag 9 Center pillar 1 〇 Upper Ring, 11 on the mold 1 2 fitting member 1 2 a fitting recess 2 1 vertical frame 22 arm member 2 3 chuck mechanism 2 4 chuck support plate 2 4 a penetration 2 5 claw member 2 6 bracket 2 7 Cylinder device 28 guide rod 30 guide rod -23- (21) (21) 200422164 3 0 a side 3 0 b front end 3 0 c stop 3 1 fitting member 3 1 a fitting recess 3 2 brake mechanism 3 3 brake member 3 5 Cylinder device for braking 3 6 Guide rod support mechanism 40 Guide rod 4 0 a Inclined side surface 40b Front end portion 4 1 Fitting member 4 1 a Fitting recess 43 Spring member 44 Support plate 45 Support guide rod 46 Force applying mechanism 5 1 Upper mold 5 2 Lower mold 5 3 Raw tire 5 4 Chuck section 55 Loading mechanism 5 6 Insertion hole -24- (22) 200422164 (22) 57 Guide bar -25-