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JP4262799B2 - Raw tire supply method - Google Patents

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JP4262799B2
JP4262799B2 JP10608798A JP10608798A JP4262799B2 JP 4262799 B2 JP4262799 B2 JP 4262799B2 JP 10608798 A JP10608798 A JP 10608798A JP 10608798 A JP10608798 A JP 10608798A JP 4262799 B2 JP4262799 B2 JP 4262799B2
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raw tire
supply
raw
carriage
tire
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JPH11301846A (en
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一誠 井坂
敦彦 飯島
正晴 伊藤
政雄 外山
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Hirata Corp
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Hirata Corp
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Description

【０００１】
【発明の属する技術分野】
本発明は、生タイヤ生産ラインにおいて、多数の車両用生タイヤを搬送して加硫機に供給する生タイヤ供給方法に関する。
【０００２】
【従来の技術】
タイヤ生産ラインでは、生タイヤを成形してから加硫処理を行うことでタイヤを製造するようになっており、成形工程と加硫工程に要する時間の関係から、生タイヤを倉庫などに一時的に格納している。即ち、成形工程で成形された生タイヤは倉庫に搬送され、ここで一時的に格納されることとなり、その後、所定時間ごとに搬送コンベヤや搬送台車などによって加硫工程に供給している。図１０(ａ)(ｂ)(ｃ)に従来のタイヤ生産ラインにおける生タイヤ供給装置の平面視概略を示す。
【０００３】
まず、図１０(ａ)に示すように、通路101を挟んで一方には多数の生タイヤＴを搭載した供給台車102が複数並んで停止している。そして、通路101を挟んで他方には３つのタイヤ置き台103が回転自在に設置されると共に、加硫機104が設置されており、タイヤ置き台103と加硫機104との間には加硫機104に付設されたローダ105が位置している。従って、作業者は通路101にて供給台車102から生タイヤＴを各タイヤ置き台103に人力で搬送すると、ローダ105はタイヤ置き台103上の生タイヤＴを取り上げて加硫機104に供給し、ここで生タイヤＴの加硫処理が行われる。
【０００４】
次に、図１０(ｂ)に示すように、通路201を挟んで一方には多数の生タイヤＴを搭載した供給台車202が複数並んで停止している。そして、通路201を挟んで他方には搬送コンベヤ203が設置されると共に、加硫機204が設置されており、搬送コンベヤ203と加硫機204との間には加硫機204に付設されたローダ205が位置している。従って、作業者は通路201にて供給台車202から生タイヤＴを搬送コンベヤ203に人力で搬送すると、生タイヤＴは搬送コンベヤ203によって移動し、ローダ205は搬送コンベヤ203上の生タイヤＴを取り上げて加硫機204に供給し、ここで生タイヤＴの加硫処理が行われる。
【０００５】
そして、図１０(ｃ)に示すように、通路301に沿って主レール302が敷設されると共に、所定位置にこの主レール302から分岐して迂回する副レール303が敷設され、各レール302，303に沿って生タイヤＴを搭載した供給台車304が移動自在となっている。そして、副レール303の側方には加硫機305が設置されており、副レール303と加硫機305との間には加硫機305に付設されたローダ306が位置している。従って、供給台車304は主レール302を自走して所定の副レール303に移動して停止すると、ローダ306は供給台車304内の生タイヤＴを取り上げて加硫機305に供給し、ここで生タイヤＴの加硫処理が行われる。
【０００６】
【発明が解決しようとする課題】
このような従来の生タイヤ供給装置において、図１０(ａ)(ｂ)に示すものは、供給台車102，202から生タイヤ置き台103，203への生タイヤＴの搬送を作業者の人力で行っており、作業者にかかる負担が大きく、作業時間も長くなり、作業能率がよくなかった。また、図１０(ｃ)に示すものは、主レール302及び副レール303を敷設しなければならず、大きなスペースを専有してしまう。
【０００７】
また、加硫処理する生タイヤＴの種類の変更によって各加硫機104，204，305における各加硫釜の金型の交換作業が必要となる。この金型の交換作業に際しては、加硫機104，204，305の前面近傍までフォークリフト等が入り込むため、図１０(ａ)(ｂ)(ｃ)に示す加硫機前面近傍においてフォークリフト等の作業スペースＳが必要となる。そのため、加硫釜の金型交換作業時には、タイヤ置き台103や搬送コンベヤ203や供給台車304を作業の邪魔にならない別の場所に移動しなければならず、そのための作業時間が長くなり、作業効率が低下してしまう。
【０００８】
本発明はこのような問題を解決するものであって、作業者にかかる負担を軽減すると共に加硫機の金型交換作業の効率化及び生タイヤの供給作業の効率化を図った生タイヤ供給方法を提供することを目的とする。
【０００９】
【課題を解決するための手段】
上述の目的を達成するための本発明に係る生タイヤ供給方法は、ストックされた多数の生タイヤを搬出して所定位置に付設された移載機構を介して加硫機に供給する生タイヤ供給方法において、搬出された前記生タイヤを保持した配給台車を、上方位置でほぼ水平方向に移動させ、供給台車を上方位置でほぼ水平方向に移動させて、前記配給台車に対してアクセスさせ、前記供給台車の受け台を、前記配給台車が保持した前記生タイヤよりも下方に移動させ、前記配給台車側に旋回させてから上昇させた後、前記受け台により前記生タイヤを受け止め、保持した前記生タイヤを前記配給台車から解除し、前記受け台を下降させて前記生タイヤを受け取るようにしたことを特徴とするものである。
【００１０】
本発明に係る生タイヤ供給方法は、前記受け台が前記生タイヤを受け取って保持した後、前記供給台車を移動させて、保持した該生タイヤの種類に適合する前記加硫機の対応位置に停止させることを特徴とするものである。
【００１１】
本発明に係る生タイヤ供給方法は、停止した前記供給台車の前記受け台を旋回させて、該受け台が保持した前記生タイヤを前記加硫機側に位置づけることを特徴とするものである。
【００１８】
【発明の実施の形態】
以下、図面に基づいて本発明の実施の形態を詳細に説明する。
【００１９】
図１に本発明の第１実施形態に係る生タイヤ供給装置の概略、図２に本実施形態の生タイヤ供給装置の作動を表す説明、図３に加硫機の概略、図４に本実施形態の生タイヤ供給装置が適用されたタイヤ製造ラインの概略、図５に自動倉庫の内部を表す縦断面を示す。
【００２０】
本実施形態の生タイヤ供給装置が適用されたタイヤ製造ラインにおいて、図４に示すように、所定の位置に設置された自動倉庫１１には図示しないタイヤ成形機にて成形された多種類の生タイヤＴがパレットＰに載って搬入コンベヤ１２によって搬入され、格納することができる。そして、この自動倉庫１１からは搬出コンベヤ１３によって所定の種類の生タイヤＴを搬送機構としての搬送コンベヤ１４に搬出することができる。なお、自動倉庫１１に隣接して返送コンベヤ１５が設置されており、この返送コンベヤ１５は後述する配給台車２２に生タイヤＴを受け渡した後に空となったパレットＰをタイヤ成形機や自動倉庫１１などに搬送するものである。
【００２１】
この自動倉庫１１は、図５に示すように、建屋１６の両側に多段にわたって生タイヤＴをストックする載置棚１７と水平移動及び上下移動可能なフォーク１８を有しておる。従って、この建屋１６内に搬入された生タイヤＴをパレットＰと共にフォーク１８によって移動し、所定の載置棚１７に格納する一方、所定の種類の生タイヤＴをパレットＰと共に搬出することができる。
【００２２】
また、図４に示すように、搬送レール２１はループ状をなして配設されており、この搬送レール２１には生タイヤＴを保持して自走可能な配給台車２２が複数移動自在となっている。そして、搬送レール２１と搬送コンベヤ１４とが交差する受取位置Ａにて、配給台車２２は自動倉庫１１から搬出されたパレットＰ上の生タイヤＴを受け取って循環移動することができる。この搬送レール２１の直線部の側方には供給レール２３が平行をなして配設されており、この供給レール２３には配給台車２２が保持した生タイヤＴを受け取って保持したまま自走可能な供給台車２４が複数移動自在となっている。この供給レール２３の側方には生タイヤＴを加硫処理する加硫機２５が供給台車２４の移動方向に沿って並設されており、供給レール２３とこの加硫機２５との間には供給台車２４が保持した生タイヤＴを把持して加硫機２５に供給する移載機構としてのローダ２６が加硫機２５に付設されて位置している。この複数の加硫機２５は生タイヤＴの種類に応じて異なるものが複数設置されている。
【００２３】
以下、上述した配給台車２２、供給台車２４、加硫機２５、ローダ２６の具体的な構造を詳細に説明する。
【００２４】
図１及び図２に示すように、搬送レール２１は天井部３１から垂下した吊りフレーム３２によって上方位置にほぼ水平をなして架設されており、配給台車２２はこの搬送レール２１に自走可能であり、図４に示す搬送コンベヤ１４上の生タイヤＴを上方から把持可能な把持爪３３を有している。この把持爪３３は図示しない駆動装置によって拡縮して開閉可能であり、閉止状態で生タイヤＴの中心孔に挿入、抜出可能であると共に、把持爪３３の挿入状態で係合、離脱可能となっている。
【００２５】
供給レール２３は加硫機２５側に立設された支柱３４の上端部から搬送レール２１側に延設された支持フレーム３５によって上方位置にほぼ水平をなして架設されており、供給台車２４は駆動モータ３６によってこの供給レール２３に自走可能となっている。また、この供給台車２４の側部には図示しないガイドによって昇降ロッド３７が昇降自在となっており、この昇降ロッド３７の下端部には旋回アーム３８の基端部が水平旋回自在に装着され、旋回アーム３８の先端部には生タイヤＴを下方から受け取る保持部としての受台３９が取付けられ、この受台３９の上面部には生タイヤＴの凸部を受け止めて脱落を防止する凹部４０が形成されている。そして、旋回アーム３８及び受台３９は駆動モータ４１によって昇降可能であり、駆動モータ４２によって旋回可能となっている。
【００２６】
また、図１乃至図３に示すように、加硫機２５は加硫釜４３の金型Ｍと昇降駆動部４４によって開閉自在な釜蓋４５を有しており、この加硫釜４３内の金型Ｍに生タイヤＴを入れて加硫処理を行う。ローダ２６は、ガイドフレーム４６を昇降自在な昇降アーム４７に旋回アーム４８の基端部が水平旋回自在に装着され、旋回アーム４８の先端部に生タイヤＴを上方から把持可能な把持爪４９が設けられて構成されている。この把持爪４９は図示しない駆動装置によって拡縮して開閉可能であり、閉止状態で生タイヤＴの中心孔に挿脱可能であると共に、把持爪４９の挿入状態で係合離脱可能となっている。
【００２７】
ここで、上述した本実施形態の生タイヤ供給装置による生タイヤの供給方法について説明する。
【００２８】
図４に示すように、自動倉庫１１には多種類の生タイヤＴが多数格納されており、図示しない制御装置から自動倉庫１１に指令が出ると、この自動倉庫１１から搬出コンベヤ１３によって所定の種類の生タイヤＴがパレットＰに載った状態で搬送コンベヤ１４に搬出される。一方、配給台車２２は搬送レール２１に沿って自走し、受取位置Ａにて搬送コンベヤ１４上のパレットＰに載った生タイヤＴに対して上方から把持爪３３を用いて保持する。そして、他の配給台車２２も受取位置Ａにて搬送コンベヤ１４上の生タイヤＴを保持し、順次、搬送レール２１に沿って自走する一方、空のパレットＰは返送コンベヤ１５によってタイヤ成形機や自動倉庫１１などに搬送される。そして、制御装置から特定の供給台車２４に指令が出ると、この供給台車２４は供給レール２３を自走し、所定の種類の生タイヤＴを保持した配給台車２２にアクセスする。
【００２９】
即ち、図１及び図２に示すように、供給台車２４において、まず、旋回アーム３８を下降して受台３９を下降位置に移動すると共に旋回アーム３８を旋回して受台３９を配給台車２２側に位置させる。この状態で配給台車２２が保持した生タイヤＴに対して旋回アーム３８を介して受台３９を上昇させ、生タイヤＴの凸部を凹部４０によって受け止める。そして、配給台車２２の把持爪３３を閉じて生タイヤＴの把持を解除した後、供給台車２４の旋回アーム３８を下降し、受台３９が生タイヤＴを受け取る。次に、供給台車２４を供給レール２３に沿って移動し、保持した生タイヤＴの種類に適合した加硫機２５に対向する位置で停止する。ここで、旋回アーム３８を旋回して受台３９が保持した生タイヤＴを加硫機２５側に位置させ、上方に位置するローダ２６に対して旋回アーム３８を介して受台３９を上昇させる。
【００３０】
ローダ２６は予め把持爪４９を閉じておき、この把持爪４９を受台３９と共に上昇した生タイヤＴの中心孔に挿入する。そして、この把持爪４９を開くことで生タイヤＴを保持した後、旋回アーム３８を介して受台３９のみを下降することで、供給台車２４からローダ２６への生タイヤＴの受け渡しが完了し、旋回アーム３８は旋回して元位置に戻る。一方、図３に示すように、加硫機２５にて、予め昇降駆動部４４によって釜蓋４５を上昇して加硫釜４３を開けておき、ローダ２６の昇降アーム４７を上昇させてから旋回アーム４８を旋回して把持爪４９が保持した生タイヤＴを加硫釜４３の上方位置に移動してから再び下降して加硫釜４３内の金型Ｍに生タイヤＴを入れて加硫処理を行う。
【００３１】
この繰り返しによって所定の種類の生タイヤＴをその種類に適合した加硫釜４３の金型Ｍに供給して加硫処理を連続して行うことができる。この場合、自動倉庫１１から配給台車２２、供給台車２４、ローダ２６等を介して生タイヤＴを加硫釜４３の金型Ｍへ供給する作業を全て自動で行うことで、作業者の負担を軽減して作業性の向上が図れる。
【００３２】
ところで、図１に示すように、本実施形態の生タイヤ供給装置において、配給台車２２を移動自在に支持する搬送レール２１は天井部３１から垂下した吊りフレーム３２によって上方位置に架設されており、また、供給台車２４を移動自在に支持する供給レール２３は加硫機２５側に立設された支柱３４から延設された支持フレーム３５によって上方位置に架設されている。従って、配給台車２２及び供給台車２４の下方は空きスペースとなっており、加硫釜４３の金型Ｍの交換作業時や他のメンテナンス時にこれらが邪魔になることはなく、搬送レール２１や供給レール２３を移動せずに容易に短時間で各種の作業を行うことができる。
【００３３】
図６に本発明の第２実施形態に係る生タイヤ供給装置が適用された生タイヤ製造ラインの概略、図７に自動倉庫と搬送機構との関係を表す概略を示す。なお、前述した実施形態で説明したものと同様の機能を有する部分には同一の符号を付して重複する説明は省略する。
【００３４】
本実施形態の生タイヤ供給装置が適用された生タイヤ製造ラインにおいて、図６及び図７に示すように、自動倉庫１１が生タイヤＴの搬入コンベヤ１２の搬送方向に沿って複数配設されている。そして、この搬入コンベヤ１２に隣接してループ状をなす搬送レール２１が配設され、この搬送レール２１に生タイヤＴを保持して自走可能な配給台車２２が複数移動自在となっており、自動倉庫１１から搬送レール２１（配給台車２２）側へ搬送コンベヤ１４が延設されている。また、搬入コンベヤ１２の下方には配給台車２２に生タイヤＴを受け渡した後に空となったパレットＰをタイヤ成形機に搬送する返送コンベヤ１５が設置されている。なお、搬入コンベヤ１２の自動倉庫１１への搬入位置Ｂには、この搬入コンベヤ１２から自動倉庫１１内にパレットＰに載った生タイヤＴを移載する図示しない移載装置が設けられると共に、自動倉庫１１の返送コンベヤ１５への搬出位置Ｃには、自動倉庫１１から返送コンベヤ１５に空のパレットＰを移載する図示しない移載装置が設けられている。
【００３５】
従って、成形機によって形成された生タイヤＴはパレットＰに載って搬入コンベヤ１２で搬送され、搬入位置Ｂにて移載装置によって自動倉庫１１内に搬入される。そして、制御装置から自動倉庫１１に指令が出ると、この自動倉庫１１から搬送コンベヤ１４に所定の種類の生タイヤＴが搬出され、この生タイヤＴはパレットＰと共に受取位置Ａまで搬送され、ここで、配給台車２２は生タイヤＴを受け取って循環移動する。一方、空のパレットＰは搬送コンベヤ１４によって自動倉庫１１内に戻され、移載装置によって自動倉庫１１から返送コンベヤ１５の搬出位置Ｃに移載され、この返送コンベヤ１５によって空のパレットＰが成形機まで搬送される。
【００３６】
なお、この搬送レール２１を自走可能な配給台車２２、供給レール２３を自走可能な供給台車２４、生タイヤＴを加硫処理する加硫機２５、生タイヤＴを加硫釜４３の金型Ｍに供給するローダ２６等は前述した第１実施形態と同様であるため、詳細な説明は省略する。
【００３７】
図８に本発明の第３実施形態に係る生タイヤ供給装置が適用された生タイヤ製造ラインの概略、図９に本実施形態の生タイヤ供給装置の概略を示す。なお、前述した実施形態で説明したものと同様の機能を有する部分には同一の符号を付して重複する説明は省略する。
【００３８】
本実施形態の生タイヤ供給装置が適用された生タイヤ製造ラインにおいて、図８に示すように、自動倉庫１１が生タイヤＴの搬入コンベヤ１２の搬送方向に沿って複数（図１では１つ）配設されている。また、搬入コンベヤ１２の下方には空のパレットＰをタイヤ成形機に搬送する返送コンベヤ１５が設置されている。なお、搬入コンベヤ１２の自動倉庫１１への搬入位置Ｂには、この搬入コンベヤ１２から自動倉庫１１内にパレットＰに載った生タイヤＴを移載する図示しない移載装置が設けられると共に、自動倉庫１１の返送コンベヤ１５への搬出位置（図示しないが搬入位置Ｂの真下）には、自動倉庫１１から返送コンベヤ１５に空のパレットＰを移載する図示しない移載装置が設けられている。
【００３９】
搬入コンベヤ１２から所定距離をあけて直線状をなす供給レール２３が配設され、この供給レール２３に生タイヤＴを保持して自走可能な供給台車２４が複数移動自在となっている。そして、自動倉庫１１から供給レール２３（供給台車２４）側に搬送機構としての移送コンベヤ５１と返送コンベヤ５２が配設されており、この移送コンベヤ５１の自動倉庫１１側には自動倉庫１１からパレットＰに載った生タイヤＴが搬出可能であり、返送コンベヤ５２の自動倉庫１１側に位置する空のパレットＰを自動倉庫１１内に搬入することができる。一方、移送コンベヤ５１の供給レール２３側にはこの移送コンベヤ５１の搬送方向に沿って上方に短い搬送レール５３が架設されている。そして、この搬送レール５３には生タイヤＴを保持して自走可能な配給台車５４が移動自在となっている。
【００４０】
従って、生タイヤＴはパレットＰに載置された状態で自動倉庫１１から移送コンベヤ５１にパレットＰに載った生タイヤＴが搬出され、この移送コンベヤ５１によって受取位置Ａに移送されると、配給台車５４はこの生タイヤＴを受け取って供給レール２３（供給台車２４）側へ移動することができる。そして、この搬送レール５３に直交する方向に沿って供給レール２３が配設されており、この供給レール２３には配給台車５４が保持した生タイヤＴを受け取って保持したまま自走可能な供給台車２４が複数移動自在となっている。この供給レール２３の側方には生タイヤＴを加硫処理する加硫機２５が供給台車２４の移動方向に沿って並設されており、供給レール２３とこの加硫機２５との間には供給台車２４が保持した生タイヤＴを把持して加硫釜４３の金型Ｍに供給するローダ２６が加硫機２５に付設されて位置している。
【００４１】
以下、上述した移送コンベヤ５１、配給台車５４等について具体的に説明するが、供給台車２４、加硫機２５、ローダ２６等については前述した第１実施形態と同様であるため、詳細な説明は省略する。図８及び図９に示すように、搬送レール５３は図示しない天井部から垂下した吊りフレームよって上方位置にほぼ水平をなして架設されており、配給台車５４はこの搬送レール５３に自走可能となっている。そして、この配給台車５４には昇降ロッド５６によって昇降可能な昇降把持部５７が支持されており、この昇降把持部５７には移送コンベヤ５１上の生タイヤＴを上方から把持可能な把持爪５８を有している。
【００４２】
従って、自動倉庫１１から移送コンベヤ５１に搬出されたパレットＰに載った生タイヤＴはこの移送コンベヤ５１上を搬送され、受取位置Ａで停止する。一方、配給台車５４は搬送レール５３の一端部に位置しており、受取位置Ａに停止している移送コンベヤ５１上のパレットＰに載った生タイヤＴに対して上方から把持爪５８を用いて保持する。そして、昇降ロッド５６の上昇により生タイヤＴはパレットＰから切り離され、この状態を保持して配給台車５４は搬送レール５３上を自走し、他端にて停止し、供給台車２４への受け渡しのために昇降ロッド５６を下降し、把持爪５８が把持した生タイヤＴを供給台車２４の受台３９に受け渡す。
【００４３】
即ち、まず、供給台車２４は旋回アーム３８を配給台車５４に保持された生タイヤＴの待機位置の垂直下方旋回し、しかる後、受台３９を上昇させることで、生タイヤＴの凸部に嵌合凹部４０を嵌合させる。そして、配給台車５４の把持爪５８を閉じて生タイヤＴの把持を解除した後、供給台車２４の旋回アーム３８を下降し、受台３９が生タイヤＴを受け取る。次に、供給台車２４を供給レール２３に沿って移動し、保持した生タイヤＴの種類に適合した加硫機２５に対向する位置で停止する。ここで、旋回アーム３８を旋回して受台３９が保持した生タイヤＴを加硫機２５側に位置させてから上昇させ、ローダ２６の把持爪４９によって生タイヤＴを保持した後、受台３９を下降することで、ローダ２６に生タイヤＴを受け渡す。そして、ローダ２６によって生タイヤＴを加硫機２５の加硫釜４３内の金型Ｍに供給して生タイヤＴの加硫処理を行う。
【００４４】
一方、生タイヤＴを供給台車２４に渡して空となったパレットＰは図示しない移載機構によって移送コンベヤ５１の受取位置Ａから返送コンベヤ５２に移載され、この返送コンベヤ５２によって自動倉庫１１内に搬入される。
【００４５】
この繰り返しによって所定の種類の生タイヤＴをその種類に適合した加硫機２５の加硫釜４３の金型Ｍに供給して加硫処理を連続して行うことができ、この場合、自動倉庫１１から移送コンベヤ５１、配給台車５４、供給台車２４、ローダ２６等を介して生タイヤＴを加硫機２５の加硫釜４３の金型Ｍへ供給する作業を全て自動で行うことで、作業者の負担を軽減して作業性の向上が図れる。また、移送コンベア５１及び配給台車５４等を上方に配設させることで、下方は空きスペースとなり、加硫機２５の加硫釜４３の金型Ｍの交換作業時や他のメンテナンス時にこれらが邪魔になることはなく、容易に短時間で各種の作業を行うことができる。
【００４６】
【発明の効果】
以上、実施形態において詳細に説明したように本発明の生タイヤ供給装置によれば、上方位置にほぼ水平方向に沿って架設された搬送レールに生タイヤを保持する複数の配給台車を移動可能に支持し、搬送レールに隣接して上方位置にほぼ水平方向に沿って架設された供給レールに配給台車が保持した生タイヤを受け取って加硫機の移載機構に受け渡し可能な供給台車を移動可能に支持したので、生タイヤを配給台車、供給台車、移載機構を介して加硫機の加硫釜の金型へ供給することで、生タイヤの加硫処理を自動的に連続して行うことができ、作業者の負担を軽減し、作業性及び生産性の向上を図ることができると共に、搬送レール及び配給台車と供給レール及び供給台車を上方位置に架設し、また、加硫機に付設した移載機構への生タイヤの置き台、搬送コンベヤ、生タイヤの供給台車等を省略することで、床面及び下方空間が空きスペースとなり、加硫機の加硫釜の金型交換作業時や加硫機のメンテナンス作業の邪魔になったり、障害となることがなくなり、作業性が向上し、生タイヤ供給作業の効率化と生産性を図ることができる。
【００４７】
また、本発明の生タイヤ供給装置によれば、供給台車は、昇降自在に支持される昇降ロッドと、昇降ロッドの下端部に水平旋回可能に装着される旋回アームと、旋回アームの先端部に設けられ、生タイヤを下方から受け取って保持する保持部とを有しているので、配給台車から移載機構への生タイヤの受け渡しを容易に行うことができる。
【００４８】
また、本発明の生タイヤ供給装置によれば、配給台車に生タイヤを上方から把持する把持爪を設け、供給台車に生タイヤを下方から保持して昇降自在な受台を設けたので、供給台車の受台は配給台車の把持爪が把持した生タイヤを下方から受け取り、移載機構は受台が保持した生タイヤを上方から受け取ることとなり、配給台車と供給台車と移載機構との間での生タイヤの受け渡しを容易に行うことができる。
【００４９】
また、本発明の生タイヤ供給装置によれば、把持爪は生タイヤの中心孔に挿脱可能であると共に係脱可能であり、受台に生タイヤの凸部を受け止める凹部を設けたので、配給台車、供給台車、移載機構は生タイヤを確実に保持することができ、供給作業の効率化を図ることができる。
【００５０】
また、本発明の生タイヤ供給装置によれば、加硫機は、生タイヤの種類に対応して供給台車の移動方向に沿って複数設置されており、前記供給台車は、旋回アームによって旋回させた保持部により前記配給台車が保持した所定の種類の前記生タイヤを受け取って保持し、保持した該生タイヤの種類に適合する前記加硫機の対応位置に停止した後、前記旋回アームによって前記保持部を旋回させて前記加硫機に前記生タイヤを受け渡すようにしたので、一つの供給ラインで多種類の生タイヤの供給作業を行うことができる。
【００５１】
また、本発明の生タイヤ供給装置によれば、搬送レールをループ状として複数の配給台車を循環移動可能とし、自動倉庫に格納された多数の生タイヤをこの循環移動する複数の配給台車に搬出されるようにしたので、生タイヤを保持した配給台車を循環移動することで、所望の生タイヤを保持した配給台車から供給台車への生タイヤ受け渡し作業を容易に行うことができ、作業効率を向上することができる。
【００５２】
また、本発明の生タイヤ供給装置によれば、搬送レールをループ状として配給台車を複数循環移動可能とすると共に、搬送レールの側方に自動倉庫を設置して搬送レールとの間に搬送機構を設け、この自動倉庫に格納された多数の生タイヤを搬送機構によって搬送レールの配給台車に搬出するようにしたので、自動倉庫から配給台車までの距離を短くして搬送効率の向上を図ることができると共に、搬送機構や配給台車などを少ないスペースに配設することができる。
【００５３】
また、本発明の生タイヤ供給装置によれば、複数の加硫機の前面近傍に、加硫機と対面するように自動倉庫を設置するケース、即ち、加硫機と自動倉庫との距離が短く、スペースが小さい条件に対応するために、生タイヤ供給装置の供給レールとほぼ直交する方向に沿って搬送レールを配設して１つの配給台車を往復移動可能とすると共に、自動倉庫と搬送レールの一端部との間に搬送機構を設け、自動倉庫に格納された多数の生タイヤをこの搬送機構によって搬送レールの配給台車に搬出するようにしたことにより、配給台車及び搬送機構を小規模でコンパクトにし、コストの低減と搬送効率の向上を図り、専有スペースの軽減を図ることができる。
【００５４】
また、本発明の生タイヤ供給装置によれば、生タイヤをパレットに搭載して配給台車まで搬送機構により搬出し、配給台車により生タイヤをパレットから受け取る一方、空になったパレットを返送機構によって所定位置に返送されるようにしたことによってパレット上に搭載した生タイヤの配給台車への供給作業と空になったパレットの返送作業を並行して行うことで、作業の効率化を図ることができる。
【図面の簡単な説明】
【図１】本発明の第１実施形態に係る生タイヤ供給装置の概略図である。
【図２】本実施形態の生タイヤ供給装置の作動を表す説明図である。
【図３】加硫機の概略図である。
【図４】本実施形態の生タイヤ供給装置が適用された生タイヤ製造ラインの概略図である。
【図５】自動倉庫の内部を表す縦断面図である。
【図６】本発明の第２実施形態に係る生タイヤ供給装置が適用された生タイヤ製造ラインの概略図である。
【図７】自動倉庫と搬送機構との関係を表す概略図である。
【図８】本発明の第３実施形態に係る生タイヤ供給装置が適用された生タイヤ製造ラインの概略図である。
【図９】本実施形態の生タイヤ供給装置の概略図である。
【図１０】従来の生タイヤ生産ラインにおける生タイヤ供給装置の概略図である。
【符号の説明】
１１ 自動倉庫
１２ 搬入コンベヤ
１３ 搬出コンベヤ
１４ 搬送コンベヤ（搬送機構）
１５ 返送コンベヤ
２１ 搬送レール
２２ 配給台車
２３ 供給レール
２４ 供給台車
２５ 加硫機
２６ ローダ（移載機構）
３３ 把持爪
３８ 旋回アーム
３９ 受台
４０ 嵌合凹部
４８ 旋回アーム
４９ 把持爪
５１ 移送コンベヤ（搬送機構）
５２ 返送コンベヤ
５３ 搬送レール
５４ 配給台車
Ｔ 生タイヤ[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to a green tire that conveys a large number of vehicle green tires and supplies them to a vulcanizer in a green tire production line.Supply methodAbout.
[0002]
[Prior art]
In the tire production line, tires are manufactured by molding raw tires and then vulcanizing them. Due to the time required for the molding and vulcanization processes, the raw tires are temporarily stored in warehouses. Is stored. That is, the green tires molded in the molding process are transported to a warehouse where they are temporarily stored, and thereafter supplied to the vulcanization process by a transport conveyor, a transport cart or the like every predetermined time. 10 (a), 10 (b), and 10 (c) show schematic plan views of a raw tire supply device in a conventional tire production line.
[0003]
First, as shown in FIG. 10A, a plurality of supply carriages 102 on which a large number of raw tires T are mounted are stopped side by side across the passage 101. In addition, three tire cradles 103 are rotatably installed on the other side of the passage 101, and a vulcanizer 104 is installed between the tire cradle 103 and the vulcanizer 104. A loader 105 attached to the sulfur machine 104 is located. Accordingly, when the worker manually conveys the raw tire T from the supply carriage 102 to each tire cradle 103 in the passage 101, the loader 105 picks up the raw tire T on the tire cradle 103 and supplies it to the vulcanizer 104. Here, the raw tire T is vulcanized.
[0004]
Next, as shown in FIG. 10 (b), a plurality of supply carts 202 carrying a large number of raw tires T are stopped side by side across the passage 201. A conveying conveyor 203 is installed on the other side of the passage 201, and a vulcanizer 204 is installed. Between the conveying conveyor 203 and the vulcanizer 204, the vulcanizer 204 is attached. A loader 205 is located. Therefore, when the operator manually conveys the raw tire T from the supply carriage 202 to the transport conveyor 203 in the passage 201, the raw tire T is moved by the transport conveyor 203, and the loader 205 takes up the raw tire T on the transport conveyor 203. Then, the raw tire T is vulcanized.
[0005]
Then, as shown in FIG. 10 (c), a main rail 302 is laid along the passage 301, and a sub rail 303 that diverges from the main rail 302 and detours is laid at a predetermined position. A supply carriage 304 carrying raw tires T is movable along the line 303. A vulcanizer 305 is installed on the side of the sub rail 303, and a loader 306 attached to the vulcanizer 305 is located between the sub rail 303 and the vulcanizer 305. Therefore, when the supply carriage 304 self-travels on the main rail 302 and moves to a predetermined sub rail 303 and stops, the loader 306 picks up the raw tire T in the supply carriage 304 and supplies it to the vulcanizer 305, where The raw tire T is vulcanized.
[0006]
[Problems to be solved by the invention]
10 (a) and 10 (b), the conventional raw tire supply apparatus as described above is configured to convey the raw tire T from the supply carriages 102 and 202 to the raw tire placing bases 103 and 203 with the human power of the operator. As a result, the burden on the worker is large, the work time is long, and the work efficiency is not good. Moreover, what is shown in FIG.10 (c) must lay the main rail 302 and the subrail 303, and will occupy a big space.
[0007]
In addition, changing the type of raw tire T to be vulcanized requires replacement of the mold of each vulcanizer in each vulcanizer 104, 204, 305. When the mold is exchanged, forklifts and the like enter the vicinity of the front surfaces of the vulcanizers 104, 204, and 305. Therefore, the work of the forklifts and the like is performed in the vicinity of the front surfaces of the vulcanizers as shown in FIGS. Space S is required. Therefore, when changing the mold of the vulcanizer, the tire stand 103, the transfer conveyor 203, and the supply carriage 304 must be moved to another place that does not interfere with the work, and the work time for that becomes longer. Efficiency will decrease.
[0008]
  The present invention solves such a problem, and reduces the burden on the worker, and improves the efficiency of the vulcanizer mold replacement work and the efficiency of the raw tire supply work.Supply methodThe purpose is to provide.
[0009]
[Means for Solving the Problems]
  To achieve the above objectiveThe raw tire supply method according to the present invention is a raw tire supply method in which a large number of stock raw tires are unloaded and supplied to a vulcanizer via a transfer mechanism attached at a predetermined position. The distribution cart holding the tire is moved substantially horizontally in the upper position, the supply carriage is moved in the substantially horizontal direction in the upper position, and the distribution cart is accessed. After moving to a lower position than the raw tire held by the distribution cart, turning to the distribution cart side and then raising, the raw tire is received by the cradle and the held raw tire is released from the distribution cart Then, the cradle is lowered to receive the raw tire.
[0010]
  In the raw tire supply method according to the present invention, after the cradle receives and holds the raw tire, the supply carriage is moved to a corresponding position of the vulcanizer that matches the type of the held raw tire. It is characterized by stopping.
[0011]
  The raw tire supply method according to the present invention is characterized in that the cradle of the stopped supply carriage is turned to position the raw tire held by the cradle on the vulcanizer side.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0019]
FIG. 1 shows an outline of the raw tire supply apparatus according to the first embodiment of the present invention, FIG. 2 shows an explanation of the operation of the raw tire supply apparatus of the present embodiment, FIG. 3 shows an outline of the vulcanizer, and FIG. The outline of the tire manufacturing line to which the raw tire supply device of the form is applied, and FIG. 5 shows a longitudinal section showing the inside of the automatic warehouse.
[0020]
In the tire manufacturing line to which the raw tire supply device of the present embodiment is applied, as shown in FIG. 4, the automatic warehouse 11 installed at a predetermined position has various types of raw molded by a tire molding machine (not shown). The tire T can be loaded on the pallet P and carried in by the carry-in conveyor 12 and stored. A predetermined type of raw tire T can be carried out from the automatic warehouse 11 to a transport conveyor 14 as a transport mechanism by a carry-out conveyor 13. In addition, the return conveyor 15 is installed adjacent to the automatic warehouse 11, and this return conveyor 15 uses the tire forming machine and the automatic warehouse 11 to transfer the pallet P which has become empty after delivering the raw tire T to a distribution carriage 22 described later. Etc.
[0021]
As shown in FIG. 5, the automatic warehouse 11 has a mounting shelf 17 that stocks raw tires T in multiple stages on both sides of a building 16 and a fork 18 that can move horizontally and vertically. Accordingly, the raw tire T carried into the building 16 can be moved together with the pallet P by the fork 18 and stored in the predetermined mounting shelf 17, while the predetermined type of raw tire T can be carried out together with the pallet P. .
[0022]
Further, as shown in FIG. 4, the transport rail 21 is arranged in a loop shape, and a plurality of distribution carts 22 that can hold the raw tires T and can run freely are movable on the transport rail 21. ing. Then, at the receiving position A where the transport rail 21 and the transport conveyor 14 intersect, the distribution cart 22 can receive the raw tire T on the pallet P transported from the automatic warehouse 11 and circulate. A supply rail 23 is arranged in parallel to the side of the straight portion of the transport rail 21. The supply rail 23 receives the raw tire T held by the distribution carriage 22 and can self-run while holding it. A plurality of supply carts 24 are movable. A vulcanizer 25 for vulcanizing the raw tire T is juxtaposed along the moving direction of the supply carriage 24 on the side of the supply rail 23, and between the supply rail 23 and the vulcanizer 25. A loader 26 serving as a transfer mechanism for holding the raw tire T held by the supply carriage 24 and supplying it to the vulcanizer 25 is attached to the vulcanizer 25 and positioned. A plurality of different vulcanizers 25 are installed depending on the type of raw tire T.
[0023]
Hereinafter, specific structures of the distribution carriage 22, the supply carriage 24, the vulcanizer 25, and the loader 26 described above will be described in detail.
[0024]
As shown in FIG. 1 and FIG. 2, the transport rail 21 is installed in a substantially horizontal position at an upper position by a suspension frame 32 suspended from the ceiling portion 31, and the distribution carriage 22 can be self-propelled on the transport rail 21. There is a gripping claw 33 that can grip the raw tire T on the conveyor 14 shown in FIG. 4 from above. The gripping claws 33 can be expanded and contracted by a driving device (not shown), can be inserted into and removed from the center hole of the raw tire T in a closed state, and can be engaged and disengaged when the gripping claws 33 are inserted. It has become.
[0025]
The supply rail 23 is erected substantially horizontally above the upper position by a support frame 35 extending from the upper end of a support 34 standing on the vulcanizer 25 side to the transport rail 21 side. The drive motor 36 can be self-propelled on the supply rail 23. Further, a lifting rod 37 can be moved up and down by a guide (not shown) on the side of the supply carriage 24, and a base end portion of a swivel arm 38 is mounted on a lower end portion of the lifting rod 37 so as to be horizontally swiveled. A receiving base 39 as a holding part for receiving the raw tire T from below is attached to the tip of the turning arm 38, and a concave portion 40 that receives the convex part of the raw tire T and prevents it from falling off on the upper surface of the receiving base 39. Is formed. The turning arm 38 and the cradle 39 can be moved up and down by a drive motor 41 and can be turned by a drive motor 42.
[0026]
As shown in FIGS. 1 to 3, the vulcanizer 25 has a hook lid 45 that can be opened and closed by a mold M of the vulcanizing pot 43 and a lift drive unit 44. The raw tire T is put into the mold M and vulcanized. The loader 26 is mounted on a lifting arm 47 that can move up and down a guide frame 46 so that a base end portion of a turning arm 48 can be horizontally turned. A gripping claw 49 that can hold the raw tire T from above is attached to a distal end portion of the turning arm 48. It is provided and configured. The gripping claw 49 can be expanded and contracted by a drive device (not shown), can be inserted into and removed from the center hole of the raw tire T in a closed state, and can be engaged and disengaged when the gripping claw 49 is inserted. .
[0027]
Here, the raw tire supply method by the raw tire supply device of the present embodiment described above will be described.
[0028]
  As shown in FIG. 4, a large number of various types of raw tires T are stored in the automatic warehouse 11, and when a command is issued to the automatic warehouse 11 from a control device (not shown), a predetermined conveyor is provided from the automatic warehouse 11 by the carry-out conveyor 13. Various types of raw tires T are carried out on the conveyor 14 in a state of being placed on the pallet P. On the other hand, the distribution carriage 22 is self-propelled along the transport rail 21 and holds the raw tire T placed on the pallet P on the transport conveyor 14 at the receiving position A using the gripping claws 33 from above. The other distribution carts 22 also hold the raw tires T on the transport conveyor 14 at the receiving position A and sequentially run along the transport rails 21 while the empty pallet P is returned to the tire molding machine by the return conveyor 15. And automatic warehouse 11Etc.Be transported. Then, when a command is issued from the control device to the specific supply carriage 24, the supply carriage 24 self-propels on the supply rail 23 and accesses the distribution carriage 22 holding a predetermined type of raw tire T.
[0029]
That is, as shown in FIGS. 1 and 2, in the supply carriage 24, first, the turning arm 38 is lowered to move the receiving stand 39 to the lowered position, and the turning arm 38 is turned to turn the receiving stand 39 to the distribution carriage 22. Position on the side. In this state, the receiving stand 39 is raised via the turning arm 38 with respect to the raw tire T held by the distribution carriage 22, and the convex portion of the raw tire T is received by the concave portion 40. Then, after closing the gripping claws 33 of the distribution carriage 22 to release the gripping of the raw tire T, the turning arm 38 of the supply carriage 24 is lowered, and the receiving base 39 receives the raw tire T. Next, the supply carriage 24 is moved along the supply rail 23 and stopped at a position facing the vulcanizer 25 suitable for the type of the raw tire T held. Here, the swivel arm 38 is swung and the raw tire T held by the cradle 39 is positioned on the vulcanizer 25 side, and the cradle 39 is raised via the swivel arm 38 with respect to the loader 26 positioned above. .
[0030]
The loader 26 closes the gripping claws 49 in advance, and inserts the gripping claws 49 into the center hole of the raw tire T raised together with the cradle 39. Then, after holding the raw tire T by opening the gripping claws 49, only the receiving table 39 is lowered via the turning arm 38 to complete the transfer of the raw tire T from the supply carriage 24 to the loader 26. Then, the turning arm 38 turns and returns to the original position. On the other hand, as shown in FIG. 3, in the vulcanizer 25, the elevator lid 44 is raised by the elevator drive unit 44 in advance to open the vulcanizer 43, and the elevator arm 47 of the loader 26 is raised to turn. The arm 48 is turned and the raw tire T held by the gripping claws 49 is moved to an upper position of the vulcanizing pot 43 and then lowered again to put the raw tire T into the mold M in the vulcanizing pot 43 and vulcanize it. Process.
[0031]
By repeating this process, a predetermined type of green tire T can be supplied to the mold M of the vulcanizing pot 43 suitable for the type, and vulcanization can be performed continuously. In this case, all the work of supplying the raw tire T from the automatic warehouse 11 to the mold M of the vulcanizer 43 through the distribution cart 22, the supply cart 24, the loader 26, etc. is performed automatically, thereby burdening the operator. It can be reduced and workability can be improved.
[0032]
By the way, as shown in FIG. 1, in the raw tire supply device of the present embodiment, the conveyance rail 21 that supports the distribution carriage 22 movably is installed at an upper position by a suspension frame 32 that hangs down from the ceiling portion 31. Further, the supply rail 23 that supports the supply carriage 24 movably is installed at an upper position by a support frame 35 extending from a support column 34 erected on the vulcanizer 25 side. Accordingly, the space below the distribution carriage 22 and the supply carriage 24 is an empty space, which does not interfere with the mold M of the vulcanizing pot 43 or during other maintenance, and does not interfere with the transport rail 21 or the supply rail. Various operations can be easily performed in a short time without moving the rail 23.
[0033]
FIG. 6 shows an outline of a raw tire production line to which the raw tire supply apparatus according to the second embodiment of the present invention is applied, and FIG. 7 shows an outline showing the relationship between the automatic warehouse and the transport mechanism. In addition, the same code | symbol is attached | subjected to the part which has the same function as what was demonstrated by embodiment mentioned above, and the overlapping description is abbreviate | omitted.
[0034]
In the raw tire production line to which the raw tire supply device of the present embodiment is applied, a plurality of automatic warehouses 11 are arranged along the conveying direction of the carry-in conveyor 12 for the raw tire T, as shown in FIGS. Yes. And the conveyance rail 21 which makes | forms a loop shape is arrange | positioned adjacent to this carrying-in conveyor 12, The distribution cart 22 which can hold | maintain the raw tire T on this conveyance rail 21, and can be self-propelled is freely movable, A transfer conveyor 14 is extended from the automatic warehouse 11 to the transfer rail 21 (distribution carriage 22) side. A return conveyor 15 is provided below the carry-in conveyor 12 to convey the pallet P that has been emptied after delivering the raw tire T to the distribution carriage 22 to the tire molding machine. A transfer device (not shown) for transferring the raw tire T placed on the pallet P from the carry-in conveyor 12 to the automatic warehouse 11 is provided at the carry-in position B of the carry-in conveyor 12 to the automatic warehouse 11 and automatically. A transfer device (not shown) for transferring an empty pallet P from the automatic warehouse 11 to the return conveyor 15 is provided at the carry-out position C of the warehouse 11 to the return conveyor 15.
[0035]
  Accordingly, the green tire T formed by the molding machine is placed on the pallet P and conveyed by the carry-in conveyor 12, and is carried into the automatic warehouse 11 by the transfer device at the carry-in position B. When a command is issued from the control device to the automatic warehouse 11, a predetermined type of raw tire T is carried out from the automatic warehouse 11 to the transport conveyor 14, and this raw tire T is transported to the receiving position A together with the pallet P. The distribution carriage 22 receives the raw tire T and circulates. On the other hand, empty pallet P is transported by conveyor 14.ByIt is returned to the automatic warehouse 11 and transferred from the automatic warehouse 11 to the unloading position C of the return conveyor 15 by the transfer device, and the empty pallet P is conveyed to the molding machine by the return conveyor 15.
[0036]
It is to be noted that a distribution carriage 22 capable of self-propelling the transport rail 21, a supply carriage 24 capable of self-propelling the supply rail 23, a vulcanizer 25 for vulcanizing the raw tire T, and the raw tire T for the vulcanizer 43 Since the loader 26 and the like supplied to the mold M are the same as those in the first embodiment described above, detailed description thereof is omitted.
[0037]
FIG. 8 shows an outline of a raw tire production line to which the raw tire supply apparatus according to the third embodiment of the present invention is applied, and FIG. 9 shows an outline of the raw tire supply apparatus of the present embodiment. In addition, the same code | symbol is attached | subjected to the part which has the same function as what was demonstrated by embodiment mentioned above, and the overlapping description is abbreviate | omitted.
[0038]
In the raw tire production line to which the raw tire supply device of this embodiment is applied, as shown in FIG. 8, there are a plurality of automatic warehouses 11 along the conveying direction of the carry-in conveyor 12 for the raw tire T (one in FIG. 1). It is arranged. A return conveyor 15 that transports an empty pallet P to a tire molding machine is installed below the carry-in conveyor 12. A transfer device (not shown) for transferring the raw tire T placed on the pallet P from the carry-in conveyor 12 to the automatic warehouse 11 is provided at the carry-in position B of the carry-in conveyor 12 to the automatic warehouse 11 and automatically. A transfer device (not shown) for transferring an empty pallet P from the automatic warehouse 11 to the return conveyor 15 is provided at the unloading position (not shown, just below the loading position B) of the warehouse 11 to the return conveyor 15.
[0039]
A supply rail 23 is formed in a straight line with a predetermined distance from the carry-in conveyor 12, and a plurality of supply carts 24 that can hold the raw tire T and run on the supply rail 23 are freely movable. A transfer conveyor 51 and a return conveyor 52 as a transport mechanism are disposed on the supply rail 23 (supply carriage 24) side from the automatic warehouse 11, and the automatic warehouse 11 side of the transfer conveyor 51 has a pallet from the automatic warehouse 11. The raw tire T placed on P can be carried out, and an empty pallet P located on the automatic warehouse 11 side of the return conveyor 52 can be carried into the automatic warehouse 11. On the other hand, on the supply rail 23 side of the transfer conveyor 51, a short transfer rail 53 is installed upward along the transfer direction of the transfer conveyor 51. A distribution cart 54 that can hold the raw tire T and can run freely is movable on the transport rail 53.
[0040]
Accordingly, when the raw tire T is placed on the pallet P, the raw tire T placed on the pallet P is unloaded from the automatic warehouse 11 to the transfer conveyor 51 and is transferred to the receiving position A by the transfer conveyor 51. The carriage 54 can receive the raw tire T and move to the supply rail 23 (supply carriage 24) side. A supply rail 23 is disposed along a direction orthogonal to the transport rail 53. The supply rail 23 receives the raw tire T held by the distribution carriage 54, and can be self-propelled while being held. A plurality of 24 are movable. A vulcanizer 25 for vulcanizing the raw tire T is juxtaposed along the moving direction of the supply carriage 24 on the side of the supply rail 23, and between the supply rail 23 and the vulcanizer 25. A loader 26 that holds the raw tire T held by the supply carriage 24 and supplies it to the mold M of the vulcanizer 43 is attached to the vulcanizer 25 and is positioned.
[0041]
Hereinafter, the transfer conveyor 51, the distribution carriage 54, and the like described above will be described in detail. However, the supply carriage 24, the vulcanizer 25, the loader 26, and the like are the same as those in the first embodiment described above, and thus the detailed description thereof is omitted. Omitted. As shown in FIGS. 8 and 9, the transport rail 53 is installed in a substantially horizontal position at an upper position by a suspension frame suspended from a ceiling (not shown), and the distribution carriage 54 can be self-propelled on the transport rail 53. It has become. The distribution carriage 54 supports a lifting grip 57 that can be lifted and lowered by a lifting rod 56. The lifting grip 57 has a grip claw 58 that can grip the raw tire T on the transfer conveyor 51 from above. Have.
[0042]
  Accordingly, the raw tire T placed on the pallet P carried out from the automatic warehouse 11 to the transfer conveyor 51 is conveyed on the transfer conveyor 51 and stops at the receiving position A. On the other hand, the distribution carriage 54 is located at one end of the transport rail 53 and uses the gripping claws 58 from above on the raw tire T placed on the pallet P on the transfer conveyor 51 stopped at the receiving position A. Hold. And the raw tire T is cut off from the pallet P by the raising and lowering of the lifting rod 56, and this state is maintained and the distribution carriage 54 runs on the transport rail 53 and stops at the other end.Supply cart 24Lift rod 56 for delivery toDownThe raw tire T gripped by the gripping claws 58 isSupply cart 24To the cradle 39.
[0043]
That is, first, the supply carriage 24 turns the turning arm 38 vertically downward from the standby position of the raw tire T held by the distribution carriage 54, and then raises the receiving base 39, so that the convex portion of the raw tire T is formed. The fitting recess 40 is fitted. Then, after closing the gripping claws 58 of the delivery cart 54 to release the grip of the raw tire T, the turning arm 38 of the supply cart 24 is lowered, and the receiving stand 39 receives the raw tire T. Next, the supply carriage 24 is moved along the supply rail 23 and stopped at a position facing the vulcanizer 25 suitable for the type of the raw tire T held. Here, after turning the turning arm 38 to position the raw tire T held by the cradle 39 on the vulcanizer 25 side and raising it, and holding the raw tire T by the gripping claws 49 of the loader 26, By lowering 39, the raw tire T is delivered to the loader 26. Then, the raw tire T is supplied to the mold M in the vulcanizer 43 of the vulcanizer 25 by the loader 26, and the raw tire T is vulcanized.
[0044]
On the other hand, the pallet P that has been emptied by passing the raw tire T to the supply carriage 24 is transferred from the receiving position A of the transfer conveyor 51 to the return conveyor 52 by a transfer mechanism (not shown). It is carried in.
[0045]
By repeating this process, a predetermined type of raw tire T can be supplied to the mold M of the vulcanizer 43 of the vulcanizer 25 suitable for the type, and vulcanization can be continuously performed. 11 to automatically supply the raw tire T to the mold M of the vulcanizer 43 of the vulcanizer 25 through the transfer conveyor 51, the distribution carriage 54, the supply carriage 24, the loader 26, etc. Workability can be improved by reducing the burden on the user. Further, by arranging the transfer conveyor 51 and the distribution cart 54 and the like on the upper side, an empty space is formed on the lower side, and these are obstructed when the mold M of the vulcanizing pot 43 of the vulcanizer 25 is replaced or during other maintenance. Therefore, various operations can be easily performed in a short time.
[0046]
【The invention's effect】
  As described above in detail in the embodimentThe present inventionAccording to the raw tire supply apparatus, a plurality of distribution carts that hold the raw tires are movably supported on a transport rail that is installed in a substantially horizontal direction at an upper position, and is substantially at an upper position adjacent to the transport rail. Since the raw tire held by the distribution cart is received by the supply rail installed along the horizontal direction and the supply cart that can be transferred to the transfer mechanism of the vulcanizer is movably supported, the raw tire is distributed to the distribution cart and the supply cart. By supplying to the mold of the vulcanizer of the vulcanizer via the transfer mechanism, the raw tire can be vulcanized automatically and continuously, reducing the burden on the operator and working Improvement of productivity and productivity, and a carrier rail, a distribution carriage, a supply rail and a supply carriage are installed at an upper position, and a stand for a raw tire on a transfer mechanism attached to a vulcanizer, Conveyor conveyor, raw tire supply cart, etc. By omitting it, the floor and the lower space become empty space, and it will not obstruct or obstruct the vulcanizer maintenance work or the vulcanizer maintenance work. This improves the efficiency and productivity of raw tire supply work.
[0047]
  Also,The present inventionAccording to the raw tire supply device,The supply carriage is provided at the lower end portion of the lifting rod that is supported so as to be movable up and down, the turning arm that is horizontally mounted on the lower end portion of the lifting rod, and the holding arm that receives the raw tire from below and holds it. PartThe raw tire can be easily transferred from the distribution cart to the transfer mechanism.
[0048]
  Also,The present inventionAccording to the raw tire supply device of the present invention, the distribution carriage is provided with gripping claws for gripping the raw tire from above, and the supply carriage is provided with a receiving base that can be moved up and down while holding the raw tire from below. Receives the raw tire gripped by the gripping claw of the distribution carriage from below, and the transfer mechanism receives the raw tire held by the reception base from above, and the raw tire between the distribution carriage, the supply carriage and the transfer mechanism Can be easily delivered.
[0049]
  Also,The present inventionAccording to the raw tire supply device, the gripping claws can be inserted into and removed from the center hole of the raw tire and can be engaged and disengaged, and the receiving base is provided with a recess for receiving the convex portion of the raw tire. The cart and the transfer mechanism can reliably hold the green tires, and the supply work can be made more efficient.
[0050]
  Also,The present inventionAccording to the raw tire supply device, the vulcanizer is compatible with the type of raw tireAlong the moving direction of the supply carriageSeveral are installed,The supply carriage receives and holds a predetermined type of the green tire held by the distribution truck by a holding portion rotated by a turning arm, and the corresponding position of the vulcanizer that matches the type of the green tire held. Since the holding part is turned by the turning arm and the raw tire is delivered to the vulcanizer,A single supply line can supply many types of raw tires.
[0051]
  Also,The present inventionAccording to this raw tire supply device, a plurality of distribution trolleys can be circulated and moved in a loop shape with a transport rail, and a large number of raw tires stored in an automatic warehouse are carried out to the plurality of distribution trolleys that circulate. Therefore, by circulating and moving the distribution cart holding the raw tires, it is possible to easily carry out the raw tire delivery work from the distribution cart holding the desired raw tires to the supply cart, thereby improving the work efficiency. it can.
[0052]
  Also,The present inventionAccording to this raw tire supply device, a plurality of distribution trolleys can be circulated and moved in a loop shape, and an automatic warehouse is installed on the side of the conveyance rail to provide a conveyance mechanism between the conveyance rail. Since a large number of raw tires stored in the automatic warehouse are carried out to the delivery rail distribution cart by the transport mechanism, the distance from the automatic warehouse to the distribution cart can be shortened to improve the transport efficiency, A conveyance mechanism, a distribution cart, etc. can be arranged in a small space.
[0053]
  Also,The present inventionAccording to the raw tire supply device, a case where an automatic warehouse is installed in the vicinity of the front surface of a plurality of vulcanizers so as to face the vulcanizer, that is, the distance between the vulcanizer and the automatic warehouse is short, and there is a space. In order to cope with the small conditions, a transport rail is arranged along a direction substantially orthogonal to the supply rail of the raw tire supply device so that one distribution cart can be reciprocated, and one end of the automatic warehouse and the transport rail. By providing a transport mechanism between them and carrying out a large number of raw tires stored in an automatic warehouse to the transport rail distribution cart by this transport mechanism, the distribution cart and the transport mechanism are made small and compact, It is possible to reduce the exclusive space by reducing the cost and improving the transfer efficiency.
[0054]
  Also,The present inventionAccording to the raw tire supply device, the raw tires are mounted on a pallet to the distribution cartTransport mechanismThe raw tires are received from the pallet by the distribution cart, while the empty pallet is returned to the predetermined position by the return mechanism, thereby supplying the raw tires mounted on the pallet to the distribution cart. By returning the empty pallet in parallel, the work efficiency can be improved.
[Brief description of the drawings]
FIG. 1 is a schematic view of a raw tire supply apparatus according to a first embodiment of the present invention.
FIG. 2 is an explanatory diagram showing the operation of the raw tire supply device of the present embodiment.
FIG. 3 is a schematic view of a vulcanizer.
FIG. 4 is a schematic view of a raw tire production line to which the raw tire supply device of the present embodiment is applied.
FIG. 5 is a longitudinal sectional view showing the inside of an automatic warehouse.
FIG. 6 is a schematic view of a raw tire production line to which a raw tire supply device according to a second embodiment of the present invention is applied.
FIG. 7 is a schematic diagram showing the relationship between an automatic warehouse and a transport mechanism.
FIG. 8 is a schematic view of a raw tire production line to which a raw tire supply device according to a third embodiment of the present invention is applied.
FIG. 9 is a schematic view of a raw tire supply device of the present embodiment.
FIG. 10 is a schematic view of a raw tire supply device in a conventional raw tire production line.
[Explanation of symbols]
  11 Automatic warehouse
  12 Carry-in conveyor
  13 Unloading conveyor
  14 Conveyor (Transport mechanism)
  15 Return conveyor
  21 Transport rail
  22 Distribution cart
  23 Supply rail
  24 Supply cart
  25 Vulcanizer
  26 Loader (Transfer mechanism)
  33 gripping claws
  38 Swivel arm
  39 cradle
  40 Fitting recess
  48 swivel arm
  49 gripping claws
  51 Transfer conveyor (Transport mechanism)
  52 Return conveyor
  53 Transport rail
  54 Distribution cart
    T raw tire

Claims (3)

ストックされた多数の生タイヤを搬出して所定位置に付設された移載機構を介して加硫機に供給する生タイヤ供給方法において、
搬出された前記生タイヤを保持した配給台車を、上方位置でほぼ水平方向に移動させ、
供給台車を上方位置でほぼ水平方向に移動させて、前記配給台車に対してアクセスさせ、
前記供給台車の受け台を、前記配給台車が保持した前記生タイヤよりも下方に移動させ、前記配給台車側に旋回させてから上昇させた後、前記受け台により前記生タイヤを受け止め、
保持した前記生タイヤを前記配給台車から解除し、
前記受け台を下降させて前記生タイヤを受け取るようにした
ことを特徴とする生タイヤ供給方法。In the raw tire supply method of carrying out a large number of stocked raw tires and supplying them to the vulcanizer via a transfer mechanism attached at a predetermined position,
The distribution cart holding the unloaded raw tires is moved substantially horizontally in the upper position,
Moving the supply carriage in a substantially horizontal direction at an upper position to access the distribution carriage;
After moving the cradle of the supply carriage below the raw tire held by the distribution carriage, turning it to the distribution carriage side and raising it, the cradle receives the raw tire,
Release the held raw tire from the distribution cart,
The raw tire supply method, wherein the cradle is lowered to receive the raw tire. 請求項１記載の生タイヤ供給方法において、
前記受け台が前記生タイヤを受け取って保持した後、前記供給台車を移動させて、保持した該生タイヤの種類に適合する前記加硫機の対応位置に停止させる
ことを特徴とする生タイヤ供給方法。The raw tire supply method according to claim 1 ,
After the cradle receives and holds the green tire, the supply carriage is moved and stopped at a corresponding position of the vulcanizer that matches the type of the held green tire. Method. 請求項２記載の生タイヤ供給方法において、
停止した前記供給台車の前記受け台を旋回させて、該受け台が保持した前記生タイヤを前記加硫機側に位置づける
ことを特徴とする生タイヤ供給方法。The raw tire supply method according to claim 2 ,
The raw tire supply method, wherein the cradle of the stopped supply trolley is turned to position the raw tire held by the cradle on the vulcanizer side.
JP10608798A 1998-04-16 1998-04-16 Raw tire supply method Expired - Fee Related JP4262799B2 (en)

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