JP3154012B2 - Method and apparatus for cleaning carrier bar power supply section of electrodeposition coating line transport mechanism - Google Patents
Method and apparatus for cleaning carrier bar power supply section of electrodeposition coating line transport mechanismInfo
- Publication number
- JP3154012B2 JP3154012B2 JP07314492A JP7314492A JP3154012B2 JP 3154012 B2 JP3154012 B2 JP 3154012B2 JP 07314492 A JP07314492 A JP 07314492A JP 7314492 A JP7314492 A JP 7314492A JP 3154012 B2 JP3154012 B2 JP 3154012B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- hot water
- carrier bar
- electrodeposition coating
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、導電性物品を電着塗装
する電着塗装ライン搬送機構におけるキャリアバー給電
部を清浄にし、効率良く電着塗装を行なう方法及びその
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for cleaning a carrier bar power supply section in an electrocoating line transport mechanism for electrocoating a conductive article to perform electrocoating efficiently.
【０００２】[0002]
【従来の技術】従来、電着塗装においては、導電性物品
に対し、塗装前処理から電着塗装する一連の処理を連続
的に実施するため、各処理槽は通常直列または並列に設
置されて、一貫処理がなされている。2. Description of the Related Art Conventionally, in electrocoating, since a series of processes from pre-coating to electrocoating is continuously performed on a conductive article, each processing tank is usually installed in series or in parallel. , Consistent processing has been done.
【０００３】この際、ライン稼働により被処理物はそれ
を移送するキャリアバーに吊り下げるなどして順次各槽
において処理される。ところがこれら各工程において
は、アルカリ液、着色液、酸、塗料等が使用され、キャ
リアバーの電気接点面に、前記処理液等の付着により発
生すると考えられる金属スラッジや電着樹脂分が付着す
ることによって接触不良が発生し、十分通電が行なわれ
なくなり、製品の品質にバラツキが生ずるという問題が
おこる。At this time, the object to be processed is sequentially processed in each tank by hanging the object on a carrier bar for transporting the object by operating the line. However, in each of these steps, an alkali solution, a coloring solution, an acid, a paint, and the like are used, and metal sludge and an electrodeposition resin component, which are considered to be generated by the attachment of the treatment solution, adhere to the electric contact surface of the carrier bar. As a result, a contact failure occurs, power is not sufficiently supplied, and the quality of products varies.
【０００４】このような給電部等の接触不良対策とし
て、通常、操業工程の１つとして定期的に給電部あるい
はキャリアバーの電気接点に研磨処理を施している。[0004] As a countermeasure against such a contact failure of the power supply unit or the like, usually, as one of the operation steps, the power supply unit or the electrical contact of the carrier bar is polished periodically.
【０００５】[0005]
【発明が解決しようとする課題】しかるに、前記のよう
な給電部あるいはキャリアバーの電気接点の研磨処理の
ためには塗装ラインを停止しなければならず、多くの工
数を必要とし操業能率の低下を免れることはできない。
このため電気接点等の研磨処理に代わるより効果的な手
段が要望されている。However, in order to polish the electric contact of the power supply section or the carrier bar as described above, the coating line must be stopped, which requires a lot of man-hours and lowers the operation efficiency. Can not escape.
Therefore, there is a demand for a more effective means to replace the polishing treatment of the electric contacts and the like.
【０００６】本発明は、上記の問題点を解消し、電着塗
装ライン搬送機構のキャリアバーの電気接点を清浄に
し、効率良く電着塗装を行なう方法及びその装置を提供
することを目的としている。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to provide a method and an apparatus for efficiently performing electrodeposition coating by cleaning electrical contacts of a carrier bar of an electrodeposition coating line transport mechanism. .
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、本発明者らは鋭意研究を重ねた結果、電着塗装ライ
ンの湯洗槽からの排出温水を利用して、給電部ならびに
キャリアバーの電気接点に付着した金属スラッジや電着
樹脂分を洗浄することが効果的なことを知見し、本発明
を完成するに至った。Means for Solving the Problems To achieve the above object, the inventors of the present invention have conducted intensive studies, and as a result, using the hot water discharged from the hot water tank of the electrodeposition coating line, the power supply section and the carrier bar. The present inventors have found that it is effective to clean the metal sludge and the electrodeposited resin attached to the electrical contacts, and have completed the present invention.
【０００８】すなわち本発明は、脱脂槽、エッチング
槽、中和槽、陽極酸化槽、電解着色槽、水洗槽、湯洗
槽、電着槽、液切槽及び乾燥炉等を適宜配列してなる電
着塗装ライン搬送機構において、キャリアバー給電部を
浸漬して洗浄する洗浄温水用容器を水洗槽及び又は湯洗
槽に設け、前記容器にたいし、湯洗槽からの排出温水を
供給して、キャリアバー給電部を洗浄することよりなる
電着塗装ライン搬送機構のキャリアバー給電部を洗浄す
る方法を要旨とするものであり、また電着塗装ライン搬
送機構において、陽極酸化槽、電解着色槽及び電着槽の
後に設けられた水洗槽及び湯洗槽の少なくとも１つに、
キャリアバー給電部を囲む洗浄温水用容器を設置し、該
容器に湯洗槽の濾過循環ポンプからの分岐配管を接続し
てなる電着塗装ライン搬送機構のキャリアバー給電部洗
浄装置を要旨としている。That is, in the present invention, a degreasing tank, an etching tank, a neutralizing tank, an anodizing tank, an electrolytic coloring tank, a washing tank, a hot water washing tank, an electrodeposition tank, a drain tank, a drying furnace, and the like are appropriately arranged. In the electrodeposition coating line transport mechanism, the carrier bar power supply
Wash the hot water container to be washed by immersion in a washing tank and / or hot water
A method for cleaning a carrier bar power supply portion of an electrodeposition coating line transport mechanism, which is provided in a tank, supplies hot water discharged from a hot water washing tank to the container, and cleans the carrier bar power supply portion. In the electrodeposition coating line transport mechanism, the anodizing tank, electrolytic coloring tank and at least one of the washing tank and hot water washing tank provided after the electrodeposition tank ,
The gist of the present invention is a carrier bar power supply unit cleaning device of an electrodeposition coating line transfer mechanism in which a cleaning hot water container surrounding a carrier bar power supply unit is installed and a branch pipe from a filtration circulation pump of a hot water washing tank is connected to the container. .
【０００９】[0009]
【作用】本発明の構成と作用を説明する。本発明におい
ては、電着塗装ライン中に置かれている湯洗槽からの排
出温水を利用してキャリアバーの給電部の洗浄を行なっ
ている。キャリアバーの給電部に付着したばかりの金属
スラッジ、電着樹脂分、アルカリ液、酸等は、水洗によ
りある程度取りのぞくことは可能であるが充分ではな
く、水温を高くするほどその効果も高くなることが確認
された。The structure and operation of the present invention will be described. In the present invention, the power supply section of the carrier bar is cleaned using hot water discharged from a hot water bath placed in the electrodeposition coating line. Metal sludge, electrodeposited resin, alkali solution, acid, etc. that has just adhered to the power supply section of the carrier bar can be removed to some extent by washing with water, but it is not sufficient, and the effect increases as the water temperature increases. It was confirmed that.
【００１０】電着塗装ライン中に置かれている湯洗槽か
らは、操業中８０〜９０℃の温水が排出されており、溢
水分の温水を湯洗槽濾過循環用ポンプから分岐配管して
洗浄温水容器に供給し、洗浄を行なうようにしたもので
ある。水洗槽及び湯洗槽には、湯洗槽からの温水を受け
入れるための小型容器が設けられ、キャリアバーの電気
接点を浸漬できる深さに温水を供給する。During operation, hot water of 80 to 90 ° C. is discharged from the hot water tank placed in the electrodeposition coating line. The cleaning water is supplied to the cleaning hot water container to perform cleaning. The washing tank and the hot water tank are provided with a small container for receiving the hot water from the hot water tank, and supply the hot water to a depth at which the electrical contacts of the carrier bar can be immersed.
【００１１】温水を受け入れるための容器を設ける槽
は、陽極酸化後の水洗槽、電解着色後の水洗槽、湯洗槽
及び電着後の水洗槽のいずれかでよいが、すべての槽に
設ければ汚染除去効果が大きくなり、長期間の連続操業
が可能となる。The tank provided with a container for receiving hot water may be any of a washing tank after anodic oxidation, a washing tank after electrolytic coloring, a hot washing tank, and a washing tank after electrodeposition. If this is the case, the decontamination effect will increase, and long-term continuous operation will be possible.
【００１２】[0012]
【実施例】本発明の実施例を図面により説明するが、こ
れによって本発明が限定されるものではない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited thereto.
【００１３】実施例１ 図１に示す電着塗装ライン搬送機構１において、アルミ
ニウム形材の艶消し電着塗装を実施した。Example 1 In the electrodeposition coating line transport mechanism 1 shown in FIG. 1, a matte electrodeposition coating of an aluminum material was performed.
【００１４】電着塗装液としては、ハニファイン（ハニ
ー化成株式会社製品）を使用し、常法にしたがって素材
の脱脂、陽極酸化処理後にブロンズ色に無機電解着色し
た前記形材を陽極に、１８−８ステンレスパイプを陰極
として、両極間に電圧１８０ボルトを印加し、液温２０
℃、電流密度０．１Ａ／dm2で２．５分間通電した。As the electrodeposition coating solution, Hanifine (manufactured by Honey Chemical Co., Ltd.) was used. The material was degreased and anodized according to a conventional method, and then the bronze-colored inorganic material was applied to the anode. -8 A stainless steel pipe was used as a cathode, a voltage of 180 volts was applied between both electrodes, and a liquid temperature of 20 volts was applied.
C. and a current density of 0.1 A / dm 2 for 2.5 minutes.
【００１５】そしてこの時、湯洗槽５の上部から溢流す
る８５℃の温水を、濾過循環用ポンプにより湯洗槽に戻
す一部が分岐配管３から湯洗槽に設けた温水を受け入れ
るための容器７に送入されるようにした。At this time, the 85 ° C. hot water overflowing from the top of the hot water tank 5 is returned to the hot water tank by a filtration and circulation pump. Of the container 7.
【００１６】前記容器７の深さは１０cmである。送入さ
れる温水は７Ｌ／minの割合で、湯洗槽の温水洗浄容器
にキャリアバーの電気接点８が置かれた状態のときに給
水する。給水時間は電着を行なっている時間と同じ２．
５分間であった。この条件で電着塗装ラインを運転した
ところ、従来よりも支障なく連続操業が可能になった。The depth of the container 7 is 10 cm. The supplied hot water is supplied at a rate of 7 L / min when the electric contact 8 of the carrier bar is placed in the hot water washing container of the hot water washing tank. The water supply time is the same as the electrodeposition time.
5 minutes. When the electrodeposition coating line was operated under these conditions, continuous operation became possible without any trouble compared to the conventional case.
【００１７】実施例２ 実施例１と同一の電着条件で、さらに陽極酸化後の水洗
槽９、電解着色後の水洗槽１０にも湯洗槽と同様の温水
を受け入れるための容器を取り付けて温水を供給し、操
業を行なった。その結果、実施例１の場合よりもさらに
支障なく連続操業が可能になった。Example 2 Under the same electrodeposition conditions as in Example 1, a container for receiving hot water similar to a hot water washing tank was attached to the washing tank 9 after anodization and the washing tank 10 after electrolytic coloring. The operation was performed by supplying hot water. As a result, continuous operation became possible without any trouble as compared with the case of the first embodiment.
【００１８】比較例 温水を供給しない状態で、電着塗装ラインを運転したと
ころ、９０日で接点不良が発生し、キャリアバー給電部
の研磨が必要となった。本発明によれば、キャリアバー
給電部の研磨頻度が従来より著しく減少されることが明
らかである。COMPARATIVE EXAMPLE When the electrodeposition coating line was operated without supplying hot water, contact failure occurred in 90 days, and it was necessary to polish the carrier bar power supply section. According to the present invention, it is clear that the polishing frequency of the carrier bar power supply portion is significantly reduced as compared with the related art.
【００１９】[0019]
【発明の効果】本発明は、以上説明したように構成され
ているから、長期間にわたってキャリアバーの電気接点
が接触不良となることがなく、連続して均質な製品を生
産することが可能であり、産業上きわめて有効である。According to the present invention, as described above, it is possible to continuously produce a uniform product without causing contact failure of the electrical contacts of the carrier bar for a long period of time. Yes, very industrially effective.
【図１】本発明の構成を示す概要図である。FIG. 1 is a schematic diagram showing the configuration of the present invention.
【図２】本発明の要部拡大図である（湯洗槽）。FIG. 2 is an enlarged view of a main part of the present invention (hot water washing tank).
１ 塗装ライン ２ キャリアバー ３ 分岐配管 ４ 被塗装材 ５ 湯洗槽 ６ 電着塗装後の水洗槽 ７ 洗浄温水容器 ８ キャリアバー電気接点 ９ 陽極酸化後の水洗槽 １０ 電解着色後の水洗槽 １１ 電解着色槽 １２ 電着槽 DESCRIPTION OF SYMBOLS 1 Coating line 2 Carrier bar 3 Branch pipe 4 Material to be coated 5 Hot water bath 6 Water bath after electrodeposition coating 7 Washing hot water container 8 Carrier bar electrical contact 9 Water bath after anodization 10 Water bath after electrolytic coloring 11 Electrolysis Coloring tank 12 Electroplating tank
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C25D 13/00 C25D 17/06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) C25D 13/00 C25D 17/06
Claims (2)
化槽、電解着色槽、水洗槽、湯洗槽、電着槽、液切槽及
び乾燥炉等を適宜配列してなる電着塗装ライン搬送機構
において、キャリアバー給電部を浸漬して洗浄する洗浄
温水用容器を水洗槽及び又は湯洗槽に設け、前記容器に
たいし、湯洗槽からの排出温水を供給して、キャリアバ
ー給電部を洗浄することよりなる電着塗装ライン搬送機
構のキャリアバー給電部を洗浄する方法。1. An electrodeposition coating comprising an appropriate arrangement of a degreasing tank, an etching tank, a neutralizing tank, an anodizing tank, an electrolytic coloring tank, a washing tank, a hot washing tank, an electrodeposition tank, a draining tank and a drying furnace. Cleaning by immersing and cleaning the carrier bar power supply section in the line transfer mechanism
A hot water container is provided in the washing tank and / or the hot water tank, and hot water discharged from the hot water tank is supplied to the container, and the carrier bath is supplied.
-A method for cleaning the power supply part of the carrier bar of the electrodeposition coating line transport mechanism, which comprises cleaning the power supply part.
酸化槽、電解着色槽及び電着槽の後に設けられた水洗槽
及び湯洗槽の少なくとも１つに、キャリアバー給電部を
囲む洗浄温水用容器を設置し、該容器に湯洗槽の濾過循
環ポンプからの分岐配管を接続してなる電着塗装ライン
搬送機構のキャリアバー給電部洗浄装置。2. A electrodeposition coating line conveying mechanism, anodization bath, to at least one of water washing tanks and hot water tank is provided after the electrolytic coloring bath and electrodeposition bath, washed warm water surrounding the carrier bar feeder unit A carrier bar feeder cleaning device for an electrodeposition coating line transfer mechanism, comprising installing a container for use, and connecting a branch pipe from a filtration circulation pump of a hot water washing tank to the container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07314492A JP3154012B2 (en) | 1992-02-25 | 1992-02-25 | Method and apparatus for cleaning carrier bar power supply section of electrodeposition coating line transport mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07314492A JP3154012B2 (en) | 1992-02-25 | 1992-02-25 | Method and apparatus for cleaning carrier bar power supply section of electrodeposition coating line transport mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05230697A JPH05230697A (en) | 1993-09-07 |
| JP3154012B2 true JP3154012B2 (en) | 2001-04-09 |
Family
ID=13509714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07314492A Expired - Fee Related JP3154012B2 (en) | 1992-02-25 | 1992-02-25 | Method and apparatus for cleaning carrier bar power supply section of electrodeposition coating line transport mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3154012B2 (en) |
-
1992
- 1992-02-25 JP JP07314492A patent/JP3154012B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05230697A (en) | 1993-09-07 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |