JP2004305849A - Work immersion treatment equipment and conveying truck used for it - Google Patents

Work immersion treatment equipment and conveying truck used for it Download PDF

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Publication number
JP2004305849A
JP2004305849A JP2003100847A JP2003100847A JP2004305849A JP 2004305849 A JP2004305849 A JP 2004305849A JP 2003100847 A JP2003100847 A JP 2003100847A JP 2003100847 A JP2003100847 A JP 2003100847A JP 2004305849 A JP2004305849 A JP 2004305849A
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Japan
Prior art keywords
work
support member
movable support
transport
processing
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JP2003100847A
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Japanese (ja)
Inventor
Masahiro Goto
征弘 後藤
Hideaki Hara
秀明 原
Masanao Tachikawa
正直 立川
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Trinity Industrial Corp
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Trinity Industrial Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide work immersion treatment equipment capable of avoiding increase in size of the equipment by shortening a treatment tank. <P>SOLUTION: The work immersion treatment equipment is used for carrying out treatment for immersing the work W in a treatment liquid 17 in the treatment tank 15. The facility is provided with the conveying truck 21 placed with the work W; a conveying passage 11 for conveying the conveying truck 21 to a predetermined direction; and the treatment tank 15 arranged along the conveying passage 11. A movable support member 24 turnable with the work W while supporting the work W is provided on a part of the conveying truck 21. A first driving device 31 for turning the movable support member 24 with the work W and putting-in the work W is arranged at an entrance 15a side of the treatment tank 15. A second driving device 32 for turning the movable support member 24 in the turning state together with the work W and taking the work W out of the tank 15 is arranged at an exit 15b side of the treatment tank 15. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、自動車ボディ等のようなワークを処理槽内の処理液に浸漬して処理するための設備、及び当該設備にてワークを搬送するために用いられる搬送台車に関するものである。
【0002】
【従来の技術】
通常、自動車ボディなどの塗装ラインにおいては、ワークである自動車ボディを搬送台車上に載置した状態で搬送しながら中塗り塗装及び上塗り塗装を行うが、かかる中塗り塗装及び上塗り塗装の前には前処理として電着塗装による下塗り塗装が行われる。また、電着塗装による下塗り塗装を行う際にも、前処理として、自動車ボディ表面に付着しているプレス油や防錆油等を除去するための脱脂処理や、脱脂処理後に自動車ボディ表面にリン酸塩皮膜を形成する化成処理などの表面処理が行われる。そして、これらのような前処理は、一般的には、ワークを搬送しながら処理槽内の処理液に浸漬する設備(ワーク浸漬処理設備)を用いて実施される(例えば、特許文献1,2参照)。この種の設備においては、ワークである自動車ボディを吊り下げた状態で搬送するコンベアハンガが所定方向に沿って配設されている。コンベアハンガの下方には、処理液を貯留しておくための処理槽がワークの搬送方向に沿って配置されている。なお、処理槽の入槽部には徐々に深くなる傾斜が設けられ、出槽部には徐々に浅くなる傾斜が設けられている。従って、コンベアハンガにより搬送されてきた自動車ボディは、入槽部にて徐々に下降されて処理液に浸漬されるとともに、完全浸漬状態である程度進んだ後、出槽部にて徐々に上昇されて処理液から引き上げられるようになっている(例えば、特許文献2参照)。
【0003】
【特許文献1】
特開平10−272398号公報(図1等)
【0004】
【特許文献2】
特開2000−265298号公報(図2,図3等)
【0005】
【発明が解決しようとする課題】
ところが、従来のワーク浸漬処理設備の場合、コンベアハンガ等の搬送手段を用いている関係上、走行中に自動車ボディを下降または上昇させる動作を短距離で行うことができない。ゆえに、入槽部及び出槽部にそれぞれ傾斜を設ける必要がある。よって、処理槽の長さがかなり長くなってしまい、設備全体が長大なものとなりやすいという欠点がある。
【0006】
本発明は上記の課題に鑑みてなされたものであり、その目的は、処理槽を短縮することが可能なため設備の長大化を回避することができるワーク浸漬処理設備を提供することにある。また、本発明のさらなる目的は、このような優れたワーク浸漬処理設備を実現するうえで好適な搬送台車を提供することにある。
【0007】
【課題を解決するための手段】
上記課題を解決するために、請求項1に記載の発明では、ワークが載置される搬送台車と、前記搬送台車を所定方向に搬送する搬送路と、前記搬送路に沿って配置された処理槽とを備え、前記ワークを前記処理槽内の処理液に浸漬する処理を行うための設備において、前記搬送台車の一部に、前記ワークを支持しながら前記ワークとともに回動しうる可動支持部材を設けるとともに、前記処理槽の入槽部側に、前記可動支持部材を前記ワークごと回動させて前記ワークを入槽させる第1駆動装置を配設する一方、前記処理槽の出槽部側に、回動状態にある前記可動支持部材を前記ワークごと回動させて前記ワークを出槽させる第2駆動装置を配設したことを特徴とするワーク浸漬処理設備をその要旨とする。
【0008】
従って、請求項1に記載の発明によると、第1駆動装置によって可動支持部材がワークごと回動する結果、ワークが処理槽内の処理液に速やかに浸漬される。また、第2駆動装置によって再び可動支持部材がワークごと回動する結果、ワークが処理槽内の処理液から速やかに引き上げられる。そして、このような回動運動を行わせる第1駆動装置及び第2駆動装置を用いれば、従来のコンベアハンガとは異なり、長い距離を走行しなくてもワークの昇降動作を行うことが可能となる。このため、入槽部及び出槽部における傾斜が必ずしも必要ではなくなり、処理槽を短縮することが可能となる。よって、設備の長大化を回避することができる。
【0009】
また、本発明の設備は、搬送台車からワークを一旦持ち上げて浸漬した後再びワークを載置するようなものとは異なり、ワークはあくまで搬送台車の一部である可動支持部材に支持された状態を維持する。それゆえ、搬送台車上でのワークの位置ズレや、持ち上げに伴うワークの疵付きなどを未然に防ぐことができる。
【0010】
請求項2に記載の発明は、請求項1において、前記搬送台車は、前記搬送路上を走行する台車本体と、前記台車本体に設けられた支軸部と、前記支軸部を介して前記台車本体に回動可能に設けられた可動支持部材とを備え、前記可動支持部材は、前記ワークを前記台車本体の上面側にて支持する閉位置と、その閉位置から約180°回動して前記ワークを略反転させた状態で支持する開位置との間を移動しうるように構成されていることをその要旨とする。
【0011】
従って、請求項2に記載の発明によると、閉位置にあった可動支持部材が約180°回動して開位置に到ることにより、ワークが略反転された状態となって、処理槽内の処理液に浸漬される。また、開位置にあった可動支持部材が反対方向に約180°回動して閉位置に戻ることにより、処理槽内の処理液からワークが引き上げられて、元あった台車本体の上面側に復帰する。そして、本発明ではワークが入槽時に反転されることから、前工程においてワークに異物(例えば鉄粉など)が除去できずに残っていたとしても、その異物を効果的に除去することができる。ゆえに、異物のない状態で浸漬処理を行うことができ、処理品質が向上する。また、出槽時においてもワークが反転されることから、処理液を効果的に水切りすることができる。よって、その後の乾燥などを速やかに行うことができるとともに、次工程への処理液の持ち込みを少なくすることができる。
【0012】
請求項3に記載の発明は、請求項2において、前記第1駆動装置及び前記第2駆動装置は、前記可動支持部材の自由端に対して係合可能な係合部材と、前記搬送路を跨ぐように配設され、前記係合部材を前記搬送路の上方にて円弧状の軌跡を描くように案内しつつ移動させるアクチュエータとを含んで構成されていることをその要旨とする。
【0013】
従って、請求項3に記載の発明によると、可動支持部材の自由端に係合部材を係合させた状態でアクチュエータを駆動させることにより、係合部材及び可動支持部材を円弧状の軌跡を描きながらスムーズに反転動作させることができる。
【0014】
請求項4に記載の発明は、請求項3において、前記搬送路に沿って延びる支持案内部を前記処理槽の縁部近傍に設けるとともに、その支持案内部により支持された状態で案内される被支持部を前記可動支持部材の自由端に設けたことをその要旨とする。
【0015】
即ち、可動支持部材が開位置にあるときには搬送台車の中心線から重心が横方向に大きく移動するため、走行時に不安定な状態となりやすい。その点、請求項4に記載の発明によれば、可動支持部材が被支持部を介して支持案内部に確実に支持されるため、開いた状態で走行する際の不安定さを解消することができる。よって、ワークの浸漬深さの変動等も防止され、前処理を安定的に行うことができる。
【0016】
請求項5に記載の発明では、ワークを処理槽内の処理液に浸漬する処理を行うための設備にて用いられ、前記ワークが載置された状態で搬送路を所定方向に走行する搬送台車において、前記搬送路上を走行する台車本体と、前記台車本体に設けられた支軸部と、前記支軸部を介して前記台車本体に回動可能に設けられた可動支持部材とを備え、前記可動支持部は、前記ワークを前記台車本体の上面側にて支持する閉位置と、その閉位置から約180°回動して前記ワークを略反転させた状態で支持する開位置との間を移動しうるように構成されていることを特徴とするワーク浸漬処理設備用の搬送台車をその要旨とする。
【0017】
従って、請求項5に記載の発明によると、可動支持部材をワークごと回動させることにより、ワークを支持した状態で略反転させることができる。よって、この搬送台車を用いてワーク浸漬処理設備を構成すれば、結果的に入槽部及び出槽部における傾斜を省略することが可能となる。よって、全体の長大化を回避することができる優れたワーク浸漬処理設備を実現することができる。
【0018】
【発明の実施の形態】
以下、本発明を具体化した一実施形態を図1〜図3に基づき詳細に説明する。図1は、本発明のワーク浸漬処理設備を具体化した一実施形態の自動車ボディ電着処理設備を概略的に示した平面図である。図2は同設備の断面図である。図3(a)は同設備に用いられる搬送台車21が閉じているときの状態を概略的に示した図、図3(b)は前記搬送台車21が180°開いているときの状態を概略的に示した図である。
【0019】
本実施形態の自動車ボディ電着処理設備における搬送路11の上面には、図1の左右方向に沿って一直線上に延びるようにフロアコンベア12のレール13が平行に敷設されている。
【0020】
搬送路11のすぐ脇の位置には、搬送路11に沿って平行に延びるように電着槽15(処理槽)が設けられ、その電着槽15内には例えばカチオン電着を行うための処理液17が貯留されている。電着槽15の出槽部15bがある側(即ち図1の右側)は幅広になっていて、搬送路11の下方にまで及ぶように形成されている。なお、電着槽15における入槽部15aにおいても出槽部15bにおいても、特に側壁は傾斜しておらず、底面に対して垂直に形成されている(図2参照)。
【0021】
図1,図2,図3に示されるように、本実施形態の搬送台車21は開閉可能な構造を有しており、台車本体22、支軸部23、可動支持部材24等によって構成されている。台車本体22は下面に複数のローラを備え、そのローラを介して一対のレール13上に走行可能に載置されている。また、台車本体22において側方に張り出した部分(詳細には図3において左側に張り出した部分)には、略コ字状を呈する台車本体支持体26が取り付けられている。かかる台車本体支持体26の先端にはローラが設けられていて、そのローラは搬送路11を構成する床部分の裏面側に取り付けられたレール18に摺接している。つまり、この搬送台車21は、いわば前記床部分を上下方向から挟持している。これにより、搬送台車21が開いた状態のとき(特には開いた状態で走行するとき)の不安定さを軽減せんとしている。
【0022】
一方、台車本体22において側方に張り出した部分(詳細には図3において右側に張り出した部分)には、搬送台車21の前後方向に沿って長く形成された支軸部23が設けられている。前記可動支持部材24はこの支軸部23を介して台車本体22の張り出し部に接続されている。可動支持部材24の上面には複数の支持柱24aが突設されていて、それらの支持柱24aの先端には自動車ボディWの下面側が強固に支持固定されている。自動車ボディWを支持柱24aの先端に固定する手法としては特に限定されず、例えばクランプ部を設けて自動車ボディWの一部をクランプする等、周知の手法を採用することができる。従って、可動支持部材24は、自動車ボディWを支持したままの状態で、支軸部23を中心として約180°回動できるようになっている。別の表現をすると、可動支持部材24は、自動車ボディWを台車本体22の上面側にて支持する閉位置(図3(a)参照)と、その閉位置から約180°回動して自動車ボディWを略反転させた状態で支持する開位置(図3(b)参照)との間を移動可能となっている。
【0023】
また、可動支持部材24の自由端には被支持ローラ25(被支持部)が設けられている。一方、電着槽15において搬送路11とは反対側の縁部の近傍には、搬送路11に沿って延びる支持案内部としてのレール14が敷設されている。そして、搬送台車21が開いたときには、被支持ローラ25は可動支持部材24の自由端における下面側に位置するようになり、結果としてレール14上に支持されかつ案内されるようになっている。
【0024】
また、本実施形態においては、処理槽15の入槽部15a側に第1駆動装置31が配設され、処理槽15の出槽部15b側に第2駆動装置32が配設されている。第1駆動装置31及び第2駆動装置32は、ともに円弧状のロッドレスシリンダ33(アクチュエータ)と、略コ字状の断面を有する係合部材34とを備えている。かかるロッドレスシリンダ33は、搬送路11及び電着槽15を上方から跨ぐような状態で配設されている。ロッドレスシリンダ33の内部には図示しないスライダが収容されており、そのスライダによってシリンダ内部空間が2つの圧力作用室に区画されている。前記スライダには係合部材34が連結されている。従って、圧力作用室への圧力流体の給排を行うと、スライダ及び係合部材34がロッドレスシリンダ33の一端側から他端側に移動する。ロッドレスシリンダ33は円弧状であることから、係合部材34は搬送路11の上方にて円弧状の軌跡を描くようにして案内されつつ移動するようになっている。
【0025】
次に、上記のように構成された自動車ボディ電着処理設備の動作について説明する。
【0026】
自動車ボディWが前工程から搬入されてくる段階では、可動支持部材24は台車本体22の上面側(即ち閉位置)に配置されており、まだ搬送台車21は閉じた状態となっている。従って、通常どおり自動車ボディWは台車本体22の上面側にて水平に支持されている(図3(a)等参照)。なお、ロッドレスシリンダ33のスライダ及び係合部材34は、このとき図3の左端側に位置している。
【0027】
そして、自動車ボディW及び搬送台車21が電着槽15の入槽部15aに達し、可動支持部材24の自由端が第1駆動装置31の係合部材34の内側を通過しようとする際に、フロアコンベア12を一旦停止させる。ここで、ロッドレスシリンダ33を駆動すると、スライダ及び係合部材34が図3の右端側に向けて移動を開始する。それとともに、係合部材34が可動支持部材24の自由端に係合して、可動支持部材24及び自動車ボディWを持ち上げる。従って、スライダ及び係合部材34の移動に伴って可動支持部材24も円弧状の軌跡を描きながら時計回り方向に約180°回動し、最終的には開位置に速やかに到達する。そして、このような可動支持部材24の回動に伴い、自動車ボディWは約180°回動して反転された状態となって、電着槽15内の処理液17に完全に浸漬される。この場合、前工程において自動車ボディWに異物(例えば鉄粉など)が除去できずに残っていたとしても、反転によってその異物が効果的に除去される。
【0028】
上記のような完全浸漬状態になったら再びフロアコンベア12を作動させて、搬送台車21を開いたままの状態で搬送路11の延びる方向に沿って走行させる。このとき被支持ローラ25はレール14上に支持されているため、可動支持部材24の自由端側にかかる荷重がそのレール14により確実に受け止められる。また、被支持ローラ25はレール14の延びる方向(即ち搬送路11の延びる方向)に沿って案内されつつ摺動する。以上のことから、開いた状態であっても搬送台車21を安定的に走行させることができ、自動車ボディWの浸漬深さを一定に保持することができる。
【0029】
そして、自動車ボディW及び搬送台車21が電着槽15の出槽部15bに達し、可動支持部材24の自由端が第2駆動装置32の係合部材34の内側を通過しようとする際に、フロアコンベア12を再び一旦停止させる。ここで、ロッドレスシリンダ33を駆動することにより、スライダ及び係合部材34が図3の左端側に向けて移動を開始する。それとともに、係合部材34が可動支持部材24の自由端に係合して、可動支持部材24及び自動車ボディWを持ち上げる。従って、スライダ及び係合部材34の移動に伴って可動支持部材24も円弧状の軌跡を描きながら反時計回り方向に約180°回動し、最終的には元あった閉位置に戻る。そして、このような可動支持部材24の回動に伴い、自動車ボディWは電着槽15内の処理液17から引き上げられて、元あった台車本体22の上面側に復帰する。この場合においても自動車ボディWが反転されることから、処理液17が効果的に水切りされる。しかも、出槽部15bは搬送路11の下方に及んでいるため、反転時に自動車ボディWから垂れ落ちる処理液17を効果的に回収することができる。
【0030】
そして、搬送台車21が完全に閉じたら再びフロアコンベア12を作動させて、搬送台車21を搬送路11の延びる方向に沿って走行させ、自動車ボディWを次工程に向けて搬出させると、一連の動作が完了する。
【0031】
従って、本実施形態によれば以下の効果を得ることができる。
【0032】
(1)本実施形態によれば、開閉可能な搬送台車21と、第1駆動装置31及び第2駆動装置32とを組み合わせた構造によって、搬送台車21の一部を自動車ボディWごと回動させて入槽・出槽させるようにしている。ゆえに、従来のコンベアハンガとは異なり、長い距離を走行しなくても自動車ボディWの昇降動作を行うことが可能となる。このため、入槽部15a及び出槽部15bにおける傾斜が必ずしも必要ではなくなり、入槽部15a及び出槽部15bの側壁を垂直に形成することができる。よって、処理槽15を短縮することが可能となり、ひいては設備の長大化を回避することができる。
【0033】
(2)また本実施形態では、自動車ボディWはあくまで搬送台車21の一部である可動支持部材24に支持された状態を維持する。それゆえ、搬送台車21上での自動車ボディWの位置ズレや、持ち上げに伴う自動車ボディWの疵付きなどを未然に防ぐことができる。
【0034】
(3)本実施形態では、自動車ボディWが入槽時及び出槽時に反転されることから、以下のようなメリットがある。即ち、異物のない状態で電着を行うことができるため、電着処理の品質が向上し、ひいては塗装品質が向上する。また、処理液17が確実に水切りされる結果、その後の乾燥などを速やかに行うことができるとともに、次工程への処理液17の持ち込みを少なくすることができる。これに加えて、本実施形態では反転時に自動車ボディWから垂れ落ちる処理液17が効果的に回収されるため、処理液17のロスを少なくすることができる。
【0035】
(4)本実施形態においては、搬送台車21が開いた状態のとき、搬送台車21の中心線から重心が横方向(図3の右方向)に大きく移動する。しかしながら、可動支持部材24が被支持ローラ25を介してレール14に確実に支持されるため、搬送台車21が開いた状態で走行する際の不安定さを確実に解消することができる。よって、自動車ボディWの浸漬深さの変動等も防止され、電着を安定的に行うことができる。ゆえに、電着処理の品質が向上し、ひいては塗装品質が向上する。勿論、台車本体22と台車本体支持体26とによって搬送路11が上下方向から挟持されていることも、搬送台車21の開いた状態での走行時における不安定さを解消するうえで貢献している。
【0036】
なお、本発明の実施形態は以下のように変更してもよい。
【0037】
・上記実施形態では、第1駆動装置31及び第2駆動装置32を構成するアクチュエータとしてロッドレスシリンダ33を用いたが、勿論これのみに限定されることはない。例えば、ロッドレスシリンダ33以外の形態の流体圧アクチュエータを用いてもよいほか、モータ等のような電気的アクチュエータを用いてもよい。
【0038】
・上記実施形態では搬送台車21の回動角度は約180°であったが、これに限定されず、自動車ボディWを完全に浸漬できることを条件として、任意の回動角度を設定することが許容される。
【0039】
・上記実施形態では自動車ボディWの浸漬時に可動支持部材24の回動角度を一定に保ちながら搬送台車21を走行させているが、これに限定されず例えば前記回動角度を変更しながら搬送台車21を走行させてもよい。
【0040】
・本発明のワーク浸漬処理設備は、自動車ボディW等のワークの搬送と一旦停止とを繰り返しながらワークの浸漬処理を行うバッチ処理設備として具体化されてもよいほか、ワークをほぼ一定の速度で搬送しながら浸漬処理を行う連続処理設備として具体化されてもよい。
【0041】
・前記実施形態では、本発明を自動車ボディWを浸漬処理するための設備として具体化したが、勿論これに限定されることはない。例えば、本発明を、列車ボディのように自動車ボディW以外の車両ボディを浸漬処理するための設備として具体化してもよい。また、車両ボディ以外のもの(特に車両のように大きくて重いワーク)を浸漬処理するための設備として具体化してもよい。
【0042】
次に、特許請求の範囲に記載された技術的思想のほかに、前述した実施形態によって把握される技術的思想を以下に列挙する。
【0043】
(1)前記処理槽は前記搬送路に沿ってその脇に形成されるとともに、前記処理槽の出槽部は前記搬送路に下方にまで及ぶように形成されていることを特徴とする請求項1乃至4のいずれか1項に記載のワーク浸漬処理設備。従って、ワークの回動時に垂れ落ちる処理液を効率よく回収することができる。
【0044】
(2)前記搬送台車は、前記搬送路を上下方向から挟持することを特徴とする請求項1乃至4のいずれか1項に記載のワーク浸漬処理設備。従って、搬送台車が開いた状態のときの不安定さを解消することができる。
【0045】
(3)前記ワークは車両ボディであり、前記設備は、前記車両ボディを塗装する際の前処理として、前記処理槽内の処理液に前記車両ボディを浸漬する処理を行うための塗装用前処理設備であることを特徴とする請求項1乃至4のいずれか1項に記載のワーク浸漬処理設備。
【0046】
【発明の効果】
以上詳述したように、請求項1〜4に記載の発明によれば、処理槽を短縮することが可能なため設備の長大化を回避することができるワーク浸漬処理設備を提供することができる。また、請求項5に記載の発明に係る搬送台車を用いれば、上記の優れたワーク浸漬処理設備を容易にかつ確実に実現することができる。
【図面の簡単な説明】
【図1】本発明のワーク浸漬処理設備を具体化した一実施形態の自動車ボディ電着処理設備を概略的に示した平面図。
【図2】実施形態の自動車ボディ電着処理設備を概略的に示した断面図。
【図3】(a)は実施形態の自動車ボディ電着処理設備に用いられる搬送台車が閉じているときの状態を概略的に示した図、(b)は前記搬送台車が180°開いているときの状態を概略的に示した図。
【符号の説明】
11…搬送路
14…支持案内部としてのレール
15…処理槽としての電着槽
17…処理液
21…搬送台車
22…台車本体
23…支軸部
24…可動支持部材
25…被支持部としての被支持ローラ
31…第1駆動装置
32…第2駆動装置
33…アクチュエータとしてのロッドレスシリンダ
34…係合部材
W…ワークとしての自動車ボディ
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to equipment for immersing a workpiece such as an automobile body in a processing liquid in a processing tank for processing, and a transport trolley used for transporting the workpiece in the equipment.
[0002]
[Prior art]
Usually, in a coating line for an automobile body, etc., the intermediate coating and the top coating are performed while transporting the automobile body, which is a work, mounted on a transport trolley, but before the intermediate coating and the top coating, Undercoating by electrodeposition coating is performed as pretreatment. Also, when performing undercoating by electrodeposition coating, as a pretreatment, a degreasing treatment for removing press oil or rust-preventive oil or the like adhering to the surface of the vehicle body, or a phosphorous treatment on the surface of the vehicle body after the degreasing treatment. A surface treatment such as a chemical conversion treatment for forming a salt film is performed. Such pretreatments are generally performed using equipment (work immersion processing equipment) that immerses the processing liquid in the processing tank while transporting the work (for example, Patent Documents 1 and 2). reference). In this type of equipment, a conveyor hanger for transporting an automobile body as a work in a suspended state is provided along a predetermined direction. Below the conveyor hanger, a processing tank for storing the processing liquid is arranged along the work transfer direction. It should be noted that a gradually increasing depth is provided at the entrance portion of the processing tank, and a gradually decreasing inclination is provided at the exit portion. Therefore, the automobile body conveyed by the conveyor hanger is gradually lowered at the tank entrance and immersed in the processing liquid, and after being advanced to some extent in a completely immersed state, it is gradually raised at the tank exit. It is designed to be pulled up from the processing liquid (for example, see Patent Document 2).
[0003]
[Patent Document 1]
JP-A-10-272398 (FIG. 1 and the like)
[0004]
[Patent Document 2]
JP-A-2000-265298 (FIGS. 2, 3 etc.)
[0005]
[Problems to be solved by the invention]
However, in the case of the conventional work immersion processing equipment, the operation of lowering or raising the vehicle body during traveling cannot be performed in a short distance due to the use of a conveyor such as a conveyor hanger. Therefore, it is necessary to provide a slope in each of the tank section and the tank section. Therefore, there is a disadvantage that the length of the processing tank becomes considerably long, and the entire equipment tends to be large.
[0006]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a work immersion treatment facility that can shorten a treatment tank and can avoid an increase in the length of the facility. It is a further object of the present invention to provide a transport trolley suitable for realizing such excellent work immersion processing equipment.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, in the invention according to claim 1, a transport trolley on which a work is placed, a transport path for transporting the transport trolley in a predetermined direction, and a process arranged along the transport path. A device for performing a process of immersing the work in a processing liquid in the processing bath, wherein the movable support member is capable of rotating together with the work while supporting the work on a part of the transport trolley. And a first drive unit for rotating the movable support member together with the work to enter the work is disposed on the entrance side of the treatment tank, while the exit side of the treatment tank is disposed. The gist of the present invention is a work immersion treatment facility, further comprising a second driving device for rotating the movable support member in a rotating state together with the work to discharge the work.
[0008]
Therefore, according to the first aspect of the invention, as a result of the movable support member being rotated together with the work by the first driving device, the work is quickly immersed in the processing liquid in the processing tank. In addition, as a result of the movable support member rotating together with the workpiece by the second driving device, the workpiece is quickly pulled up from the processing liquid in the processing tank. Then, unlike the conventional conveyor hanger, the use of the first drive device and the second drive device that perform such a rotational movement makes it possible to perform the work lifting / lowering operation without traveling a long distance. Become. For this reason, it is not always necessary to incline the entrance and exit sections, and the processing tank can be shortened. Therefore, it is possible to avoid lengthening of the equipment.
[0009]
Further, the equipment of the present invention is different from the one in which the work is once lifted and immersed from the transport trolley and the work is mounted again, and the work is supported only by the movable support member which is a part of the transport trolley. To maintain. Therefore, it is possible to prevent the work from being displaced on the transport trolley and the work from being damaged due to lifting.
[0010]
According to a second aspect of the present invention, in the first aspect, the transport vehicle is configured such that the transport vehicle travels on the transport path, a spindle provided on the truck main body, and the vehicle via the spindle. A movable support member rotatably provided on the main body, wherein the movable support member pivots about 180 ° from the closed position for supporting the work on the upper surface side of the bogie main body and the closed position. The gist is that the work is configured to be movable between an open position for supporting the work in a substantially inverted state.
[0011]
Therefore, according to the second aspect of the present invention, the movable support member, which was in the closed position, is rotated by about 180 ° to reach the open position, so that the workpiece is substantially inverted and the inside of the processing tank is turned off. Immersed in the processing solution. Also, the movable support member at the open position is rotated by about 180 ° in the opposite direction and returns to the closed position, so that the work is pulled up from the processing liquid in the processing tank, and is moved to the upper surface side of the original bogie main body. To return. In the present invention, since the work is inverted when entering the tank, even if foreign matter (for example, iron powder) remains in the work in the previous process without being removed, the foreign matter can be effectively removed. . Therefore, the immersion processing can be performed in a state where there is no foreign substance, and the processing quality is improved. In addition, since the work is inverted even when the tank is discharged, the processing liquid can be effectively drained. Therefore, subsequent drying and the like can be performed promptly, and carry-in of the processing liquid to the next step can be reduced.
[0012]
According to a third aspect of the present invention, in the second aspect, the first driving device and the second driving device include an engagement member engageable with a free end of the movable support member and the transport path. The gist of the invention is to include an actuator that is provided so as to straddle and that moves the engagement member while guiding it so as to draw an arc-shaped trajectory above the transport path.
[0013]
Therefore, according to the third aspect of the present invention, by driving the actuator in a state where the engaging member is engaged with the free end of the movable supporting member, the engaging member and the movable supporting member draw an arc-shaped trajectory. The reversing operation can be performed smoothly.
[0014]
According to a fourth aspect of the present invention, in the third aspect, a support guide extending along the transport path is provided near an edge of the processing tank, and the support guide is guided while being supported by the support guide. The gist is that a supporting portion is provided at a free end of the movable supporting member.
[0015]
That is, when the movable support member is at the open position, the center of gravity largely moves in the lateral direction from the center line of the transport vehicle, so that the vehicle tends to be unstable during traveling. In this regard, according to the fourth aspect of the present invention, since the movable support member is securely supported by the support guide portion via the supported portion, it is possible to eliminate instability when traveling in an open state. Can be. Therefore, a change in the immersion depth of the work and the like can be prevented, and the pretreatment can be stably performed.
[0016]
According to the fifth aspect of the present invention, a transport trolley is used in a facility for performing a process of immersing a work in a processing liquid in a processing tank, and travels in a predetermined direction along a transport path in a state where the work is mounted. A bogie main body running on the transport path, a spindle provided on the bogie main body, and a movable support member rotatably provided on the bogie main body via the spindle. The movable support section is between a closed position where the work is supported on the upper surface side of the bogie main body and an open position where the work is rotated about 180 ° from the closed position to support the work in a substantially inverted state. The gist of the present invention is a transport trolley for work immersion processing equipment, which is configured to be movable.
[0017]
Therefore, according to the fifth aspect of the invention, by rotating the movable support member together with the work, the movable support member can be substantially reversed while the work is supported. Therefore, if the work immersion processing equipment is configured by using the transport trolley, as a result, it is possible to omit the inclination in the tank entrance and the tank exit. Therefore, it is possible to realize an excellent work immersion processing equipment capable of avoiding an overall lengthening.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 is a plan view schematically showing an automobile body electrodeposition treatment facility according to one embodiment which embodies a work immersion treatment facility of the present invention. FIG. 2 is a sectional view of the same equipment. FIG. 3A is a diagram schematically showing a state where the transport vehicle 21 used in the facility is closed, and FIG. 3B is a diagram schematically showing a state where the transport vehicle 21 is opened 180 °. FIG.
[0019]
Rails 13 of a floor conveyor 12 are laid in parallel on the upper surface of the transport path 11 in the automobile body electrodeposition processing equipment of the present embodiment so as to extend straight in the left-right direction of FIG.
[0020]
An electrodeposition tank 15 (processing tank) is provided at a position immediately beside the transfer path 11 so as to extend in parallel along the transfer path 11, and the electrodeposition tank 15 is provided with, for example, a cation electrodeposition. The processing liquid 17 is stored. The side of the electrodeposition tank 15 where the outlet section 15b is located (that is, the right side in FIG. 1) is wide and formed so as to extend below the transport path 11. In addition, in both the entrance section 15a and the exit section 15b of the electrodeposition tank 15, the side walls are not particularly inclined but formed perpendicular to the bottom surface (see FIG. 2).
[0021]
As shown in FIG. 1, FIG. 2, and FIG. 3, the transport trolley 21 of the present embodiment has a structure that can be opened and closed, and is configured by a trolley body 22, a support shaft 23, a movable support member 24, and the like. I have. The bogie main body 22 has a plurality of rollers on the lower surface, and is mounted movably on the pair of rails 13 via the rollers. A portion of the bogie main body 22 that protrudes laterally (specifically, a portion that protrudes to the left in FIG. 3) is provided with a bogie main body support 26 having a substantially U shape. A roller is provided at the tip of the bogie main body support member 26, and the roller is in sliding contact with a rail 18 attached to the back surface side of the floor portion constituting the transport path 11. In other words, the transporting trolley 21 sandwiches the floor portion from above and below. This reduces the instability when the transport vehicle 21 is open (particularly when traveling with the transport vehicle 21 open).
[0022]
On the other hand, a portion of the bogie main body 22 that protrudes laterally (specifically, a portion that protrudes rightward in FIG. 3) is provided with a support shaft portion 23 that is formed to be long along the front-rear direction of the transport bogie 21. . The movable support member 24 is connected to the projecting portion of the bogie main body 22 via the support shaft portion 23. A plurality of support columns 24a project from the upper surface of the movable support member 24, and the lower surface side of the vehicle body W is firmly supported and fixed to the distal ends of the support columns 24a. The method for fixing the vehicle body W to the tip of the support column 24a is not particularly limited, and a known method such as providing a clamp portion to clamp a part of the vehicle body W can be employed. Accordingly, the movable support member 24 can rotate about 180 ° about the support shaft 23 while supporting the vehicle body W. In other words, the movable support member 24 is configured to support the vehicle body W on the upper surface side of the bogie main body 22 (see FIG. 3A), and to rotate the vehicle body W by about 180 ° from the closed position. It can be moved between an open position (see FIG. 3B) for supporting the body W in a substantially inverted state.
[0023]
A supported roller 25 (supported portion) is provided at a free end of the movable support member 24. On the other hand, a rail 14 as a support guide extending along the transport path 11 is laid near the edge of the electrodeposition tank 15 opposite to the transport path 11. When the transport carriage 21 is opened, the supported roller 25 is located on the lower surface side at the free end of the movable support member 24, and as a result, is supported and guided on the rail 14.
[0024]
In the present embodiment, the first driving device 31 is disposed on the side of the inlet 15 a of the processing tank 15, and the second driving device 32 is disposed on the side of the outlet 15 b of the processing tank 15. Each of the first drive device 31 and the second drive device 32 includes an arc-shaped rodless cylinder 33 (actuator) and an engagement member 34 having a substantially U-shaped cross section. The rodless cylinder 33 is disposed so as to straddle the transport path 11 and the electrodeposition tank 15 from above. A slider (not shown) is housed in the rodless cylinder 33, and the slider partitions the cylinder internal space into two pressure action chambers. An engagement member 34 is connected to the slider. Therefore, when the pressure fluid is supplied to and discharged from the pressure action chamber, the slider and the engagement member 34 move from one end of the rodless cylinder 33 to the other end. Since the rodless cylinder 33 has an arc shape, the engagement member 34 moves while being guided along an arc trajectory above the transport path 11.
[0025]
Next, the operation of the automobile body electrodeposition processing equipment configured as described above will be described.
[0026]
At the stage when the vehicle body W is carried in from the previous process, the movable support member 24 is disposed on the upper surface side of the bogie main body 22 (that is, the closed position), and the transport bogie 21 is still in a closed state. Therefore, the automobile body W is horizontally supported on the upper surface side of the bogie main body 22 as usual (see FIG. 3A). At this time, the slider and the engagement member 34 of the rodless cylinder 33 are located on the left end side in FIG.
[0027]
Then, when the vehicle body W and the transport trolley 21 reach the tank entrance 15a of the electrodeposition tank 15 and the free end of the movable support member 24 tries to pass through the inside of the engagement member 34 of the first drive device 31, The floor conveyor 12 is temporarily stopped. Here, when the rodless cylinder 33 is driven, the slider and the engagement member 34 start moving toward the right end side in FIG. At the same time, the engaging member 34 engages with the free end of the movable support member 24, and lifts the movable support member 24 and the automobile body W. Accordingly, with the movement of the slider and the engagement member 34, the movable support member 24 also rotates clockwise by about 180 ° while drawing an arc-shaped trajectory, and finally quickly reaches the open position. Then, with the rotation of the movable support member 24, the vehicle body W is turned by about 180 ° to be in an inverted state, and is completely immersed in the processing liquid 17 in the electrodeposition tank 15. In this case, even if foreign matter (for example, iron powder) remains in the automobile body W in the previous process without being removed, the foreign matter is effectively removed by reversing.
[0028]
When the above-mentioned completely immersed state is reached, the floor conveyor 12 is operated again, and the conveyance carriage 21 is caused to travel along the extending direction of the conveyance path 11 with the conveyance carriage 21 kept open. At this time, since the supported roller 25 is supported on the rail 14, the load applied to the free end side of the movable support member 24 is reliably received by the rail 14. The supported roller 25 slides while being guided along the direction in which the rail 14 extends (that is, the direction in which the transport path 11 extends). As described above, even in the open state, the transport trolley 21 can be stably run, and the immersion depth of the vehicle body W can be kept constant.
[0029]
Then, when the vehicle body W and the transport trolley 21 reach the outlet 15b of the electrodeposition tank 15 and the free end of the movable support member 24 tries to pass through the inside of the engagement member 34 of the second drive device 32, The floor conveyor 12 is once again stopped. Here, by driving the rodless cylinder 33, the slider and the engagement member 34 start to move toward the left end side in FIG. At the same time, the engaging member 34 engages with the free end of the movable support member 24, and lifts the movable support member 24 and the automobile body W. Accordingly, with the movement of the slider and the engagement member 34, the movable support member 24 also rotates about 180 ° in the counterclockwise direction while drawing an arc-shaped trajectory, and finally returns to the original closed position. Then, with the rotation of the movable support member 24, the vehicle body W is pulled up from the processing liquid 17 in the electrodeposition tank 15, and returns to the original upper surface side of the bogie main body 22. Also in this case, since the vehicle body W is inverted, the processing liquid 17 is effectively drained. In addition, since the outlet 15b extends below the transport path 11, the processing liquid 17 that drips from the vehicle body W at the time of inversion can be effectively collected.
[0030]
When the transport vehicle 21 is completely closed, the floor conveyor 12 is operated again, the transport vehicle 21 is caused to travel along the direction in which the transport path 11 extends, and the vehicle body W is carried out to the next process. The operation is completed.
[0031]
Therefore, according to the present embodiment, the following effects can be obtained.
[0032]
(1) According to the present embodiment, a part of the transport vehicle 21 is rotated together with the vehicle body W by a structure in which the openable and closable transport vehicle 21 and the first drive device 31 and the second drive device 32 are combined. To enter and leave the tank. Therefore, unlike the conventional conveyor hanger, the vehicle body W can be moved up and down without traveling a long distance. Therefore, it is not always necessary to tilt the tank entrance 15a and the tank exit 15b, and the side walls of the tank entrance 15a and the tank exit 15b can be formed vertically. Therefore, the processing tank 15 can be shortened, and the equipment can be prevented from becoming longer.
[0033]
(2) Further, in the present embodiment, the vehicle body W is maintained in a state where it is supported by the movable support member 24 which is a part of the transport vehicle 21. Therefore, it is possible to prevent the vehicle body W from being displaced on the transport trolley 21 and the vehicle body W from being damaged due to lifting.
[0034]
(3) In the present embodiment, the following advantages are obtained because the vehicle body W is inverted when entering and leaving the tank. That is, since the electrodeposition can be performed in a state where there is no foreign matter, the quality of the electrodeposition treatment is improved, and the coating quality is improved. In addition, as a result of the processing liquid 17 being drained reliably, subsequent drying and the like can be performed promptly, and carry-in of the processing liquid 17 to the next step can be reduced. In addition, in the present embodiment, the processing liquid 17 that drips from the vehicle body W at the time of reversal is effectively collected, so that the loss of the processing liquid 17 can be reduced.
[0035]
(4) In the present embodiment, when the transport vehicle 21 is in an open state, the center of gravity largely moves laterally (rightward in FIG. 3) from the center line of the transport vehicle 21. However, since the movable support member 24 is reliably supported by the rail 14 via the supported roller 25, instability when the transport vehicle 21 travels in an open state can be reliably eliminated. Therefore, the variation of the immersion depth of the automobile body W is also prevented, and the electrodeposition can be stably performed. Therefore, the quality of the electrodeposition process is improved, and thus the coating quality is improved. Of course, the fact that the transport path 11 is sandwiched between the bogie main body 22 and the bogie main body support member 26 from above and below also contributes to eliminating instability during traveling when the transport bogie 21 is open. I have.
[0036]
Note that the embodiment of the present invention may be modified as follows.
[0037]
In the above-described embodiment, the rodless cylinder 33 is used as an actuator that configures the first drive device 31 and the second drive device 32. However, the actuator is not limited to this. For example, a fluid pressure actuator other than the rodless cylinder 33 may be used, or an electric actuator such as a motor may be used.
[0038]
In the above-described embodiment, the rotation angle of the transport vehicle 21 is about 180 °. However, the rotation angle is not limited thereto, and an arbitrary rotation angle may be set on condition that the vehicle body W can be completely immersed. Is done.
[0039]
In the above-described embodiment, the transport vehicle 21 travels while the rotation angle of the movable support member 24 is kept constant when the vehicle body W is immersed. However, the present invention is not limited to this. 21 may be run.
[0040]
-The work immersion processing equipment of the present invention may be embodied as a batch processing equipment for performing work immersion processing while repeatedly transporting and temporarily stopping a work such as an automobile body W, or performing work at a substantially constant speed. The present invention may be embodied as a continuous processing facility that performs immersion processing while transporting.
[0041]
In the above embodiment, the present invention is embodied as a facility for immersing the automobile body W, but is not limited to this. For example, the present invention may be embodied as equipment for immersing a vehicle body other than the automobile body W, such as a train body. Further, the present invention may be embodied as a facility for immersion treatment of something other than the vehicle body (particularly a large and heavy work such as a vehicle).
[0042]
Next, in addition to the technical ideas described in the claims, technical ideas grasped by the above-described embodiments will be listed below.
[0043]
(1) The processing tank is formed alongside the transport path and beside the transport path, and a discharge section of the processing tank is formed to extend downward to the transport path. 5. The work immersion treatment equipment according to any one of 1 to 4. Therefore, it is possible to efficiently collect the processing liquid that drips when the work is rotated.
[0044]
(2) The workpiece immersion processing equipment according to any one of claims 1 to 4, wherein the transport vehicle sandwiches the transport path from above and below. Therefore, instability when the carrier is in the open state can be eliminated.
[0045]
(3) The work is a vehicle body, and the equipment is a pretreatment for painting for performing a process of immersing the vehicle body in a treatment liquid in the treatment tank as a pretreatment when painting the vehicle body. The work immersion processing equipment according to any one of claims 1 to 4, wherein the work immersion processing equipment is equipment.
[0046]
【The invention's effect】
As described in detail above, according to the first to fourth aspects of the present invention, it is possible to provide a work immersion treatment facility that can shorten the treatment tank and can avoid lengthening the facility. . Further, the use of the transporting cart according to the invention described in claim 5 makes it possible to easily and reliably realize the above excellent work immersion processing equipment.
[Brief description of the drawings]
FIG. 1 is a plan view schematically showing an automobile body electrodeposition treatment facility according to an embodiment that embodies a work immersion treatment facility of the present invention.
FIG. 2 is a cross-sectional view schematically showing the vehicle body electrodeposition processing equipment of the embodiment.
FIG. 3A is a view schematically showing a state in which a carrier used in the vehicle body electrodeposition processing equipment according to the embodiment is closed, and FIG. 3B is a diagram illustrating the carrier having a 180 ° open state. The figure which showed the state at the time schematically.
[Explanation of symbols]
11 ... Conveying path 14 ... Rail 15 as a support guide section ... Electrodeposition tank 17 as a processing tank ... Treatment liquid 21 ... Transportation trolley 22 ... Carriage body 23 ... Spindle section 24 ... Movable support member 25 ... Supported rollers 31 First drive device 32 Second drive device 33 Rodless cylinder 34 as actuator Actuating member W Vehicle body as work

Claims (5)

ワークが載置される搬送台車と、前記搬送台車を所定方向に搬送する搬送路と、前記搬送路に沿って配置された処理槽とを備え、前記ワークを前記処理槽内の処理液に浸漬する処理を行うための設備において、
前記搬送台車の一部に、前記ワークを支持しながら前記ワークとともに回動しうる可動支持部材を設けるとともに、前記処理槽の入槽部側に、前記可動支持部材を前記ワークごと回動させて前記ワークを入槽させる第1駆動装置を配設する一方、前記処理槽の出槽部側に、回動状態にある前記可動支持部材を前記ワークごと回動させて前記ワークを出槽させる第2駆動装置を配設したことを特徴とするワーク浸漬処理設備。
A transport trolley on which the workpiece is placed, a transport path for transporting the transport trolley in a predetermined direction, and a processing tank disposed along the transport path, wherein the workpiece is immersed in a processing liquid in the processing tank. In the equipment for performing the processing
A part of the transport trolley is provided with a movable support member that can rotate together with the work while supporting the work, and the movable support member is rotated together with the work on the entrance side of the processing tank. A first drive device for entering the work is provided, and a movable support member in a rotating state is rotated together with the work on the exit portion side of the processing tank to eject the work. Work immersion treatment equipment characterized by having two driving devices.
前記搬送台車は、前記搬送路上を走行する台車本体と、前記台車本体に設けられた支軸部と、前記支軸部を介して前記台車本体に回動可能に設けられた可動支持部材とを備え、前記可動支持部材は、前記ワークを前記台車本体の上面側にて支持する閉位置と、その閉位置から約180°回動して前記ワークを略反転させた状態で支持する開位置との間を移動しうるように構成されていることを特徴とする請求項1に記載のワーク浸漬処理設備。The transport trolley includes a trolley body traveling on the transport path, a spindle provided on the trolley main body, and a movable support member rotatably provided on the trolley body via the spindle. The movable support member includes a closed position for supporting the work on the upper surface side of the bogie main body, and an open position for supporting the work in a state where the work is turned approximately 180 ° from the closed position and substantially inverted. The work immersion processing equipment according to claim 1, wherein the work immersion processing equipment is configured to be able to move between the workpieces. 前記第1駆動装置及び前記第2駆動装置は、前記可動支持部材の自由端に対して係合可能な係合部材と、前記搬送路を跨ぐように配設され、前記係合部材を前記搬送路の上方にて円弧状の軌跡を描くように案内しつつ移動させるアクチュエータとを含んで構成されていることを特徴とする請求項2に記載のワーク浸漬処理設備。The first drive device and the second drive device are disposed so as to be able to engage with a free end of the movable support member, and are provided so as to straddle the transport path. The work immersion processing equipment according to claim 2, further comprising: an actuator that moves while guiding so as to draw an arc-shaped trajectory above the road. 前記搬送路に沿って延びる支持案内部を前記処理槽の縁部近傍に設けるとともに、その支持案内部により支持された状態で案内される被支持部を前記可動支持部材の自由端に設けたことを特徴とする請求項3に記載のワーク浸漬処理設備。A support guide extending along the transport path is provided near the edge of the processing tank, and a supported part guided in a state supported by the support guide is provided at a free end of the movable support member. The work immersion processing equipment according to claim 3, characterized in that: ワークを処理槽内の処理液に浸漬する処理を行うための設備にて用いられ、前記ワークが載置された状態で搬送路を所定方向に走行する搬送台車において、
前記搬送路上を走行する台車本体と、前記台車本体に設けられた支軸部と、前記支軸部を介して前記台車本体に回動可能に設けられた可動支持部材とを備え、前記可動支持部材は、前記ワークを前記台車本体の上面側にて支持する閉位置と、その閉位置から約180°回動して前記ワークを略反転させた状態で支持する開位置との間を移動しうるように構成されていることを特徴とするワーク浸漬処理設備用の搬送台車。
Used in equipment for performing a process of immersing the work in the processing solution in the processing tank, in a transport vehicle traveling in a predetermined direction on the transport path in a state where the workpiece is mounted,
A bogie main body running on the transport path, a spindle provided on the bogie main body, and a movable supporting member rotatably provided on the bogie main body via the spindle. The member moves between a closed position for supporting the work on the upper surface side of the bogie main body and an open position for supporting the work in a state where the work is substantially inverted by rotating about 180 ° from the closed position. A transport trolley for work immersion processing equipment, characterized in that the transport trolley is configured to be able to handle the workpiece.
JP2003100847A 2003-04-03 2003-04-03 Work immersion treatment equipment and conveying truck used for it Pending JP2004305849A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100892706B1 (en) 2007-10-09 2009-04-15 현대자동차주식회사 Conveyer apparatus for electrodeposition painting of vehicle
RU2526731C2 (en) * 2010-07-08 2014-08-27 Дайфуку Ко., Лтд. Dipping device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100892706B1 (en) 2007-10-09 2009-04-15 현대자동차주식회사 Conveyer apparatus for electrodeposition painting of vehicle
RU2526731C2 (en) * 2010-07-08 2014-08-27 Дайфуку Ко., Лтд. Dipping device

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