JPH0480996B2 - - Google Patents
Info
- Publication number
- JPH0480996B2 JPH0480996B2 JP16698284A JP16698284A JPH0480996B2 JP H0480996 B2 JPH0480996 B2 JP H0480996B2 JP 16698284 A JP16698284 A JP 16698284A JP 16698284 A JP16698284 A JP 16698284A JP H0480996 B2 JPH0480996 B2 JP H0480996B2
- Authority
- JP
- Japan
- Prior art keywords
- hanger
- coated
- drying oven
- liquid
- cover member
- 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 - Lifetime
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、電着塗装における前処理用乾燥炉に
関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a drying oven for pretreatment in electrodeposition coating.
（従来技術）
一般に自動車の塗装工程は、前処理、下塗り、
中塗り、上塗りの４つの基本工程よりなつてい
る。(Prior art) Generally, the automotive painting process involves pre-treatment, undercoating,
It consists of four basic processes: intermediate coating and top coating.
この基本工程のうち前処理工程は、第３図図示
のフローシートに従つて行なわれ、その目的は、
車体工場から搬送されてくる車体（以下被塗物と
称す）に付着している油類を完全に除去し（脱脂
処理）、鋼板面に化学的に安定な無機質膜を形成
（皮膜化成処理）させることにより、鋼板面を不
活性化し、防錆力を与えるとともに、鋼板と塗膜
の不着性を助けることにある。ここで、脱脂処理
では、リン酸ソーダ等を含むアルカリ性の脱脂液
が使用され、又皮膜化成処理ではリン酸亜鉛等を
含む化成液が使用される。 Among these basic steps, the pretreatment step is carried out according to the flow sheet shown in Figure 3, and its purpose is to
Completely removes oil adhering to the car body (hereinafter referred to as the object to be coated) transported from the body shop (degreasing treatment), and forms a chemically stable inorganic film on the surface of the steel plate (film conversion treatment) The purpose of this is to inactivate the surface of the steel plate, provide anti-rust properties, and help prevent adhesion between the steel plate and the paint film. Here, in the degreasing treatment, an alkaline degreasing liquid containing sodium phosphate or the like is used, and in the film chemical conversion treatment, a chemical conversion liquid containing zinc phosphate or the like is used.
（発明が解決しようとする問題点）
この前処理工程において、被塗物は、通常ハン
ガーに吊掛けられた状態で搬送されるところか
ら、ハンガー上部に付着した脱脂液及び化成液が
残留した状態で、最後の工程である水切乾燥工程
で使用される乾燥炉内に入ることとなり、ハンガ
ー上部に残留した脱脂液や化成液が飛散して、被
塗物表面に付着する。この状態の被塗物に次工程
である電着塗装を施すと、付着部位がブツとなつ
て、塗膜不良を起こすという問題があり、解決を
要する大きな課題となつていた。(Problem to be Solved by the Invention) In this pretreatment step, the object to be coated is usually transported while being hung on a hanger, so that the degreasing liquid and chemical conversion liquid attached to the top of the hanger remain. Then, the hanger enters the drying oven used in the draining and drying process, which is the final process, and the degreasing liquid and chemical liquid remaining on the top of the hanger scatter and adhere to the surface of the object to be coated. When the next step, electrodeposition coating, is applied to the object in this state, there is a problem in that the adhered areas become lumpy, causing defects in the coating film, which has become a major problem that needs to be solved.
本発明は、上記問題点に鑑み、乾燥炉内におい
て被塗物表面に脱脂液や化成液が付着しないよう
にすることを目的とするものである。 In view of the above-mentioned problems, the present invention aims to prevent degreasing liquid or chemical conversion liquid from adhering to the surface of a coated object in a drying oven.
（問題点を解決するための手段）
本発明は、上記問題点を解決するための手段と
して、電着塗装の前処理としての表面処理工程を
終えた被塗物を水洗後水切乾燥する乾燥炉に、一
側方から被塗物を吊掛けるハンガーを有し且つ該
ハンガーを乾燥炉中で移動させるべく構成された
被塗物搬送装置と、前記乾燥炉内の装置固定部に
取付けられ、移動中のハンガー上部と被塗物との
間を遮蔽するカバー部を有するカバー部材とを設
けたことを特徴としている。(Means for Solving the Problems) As a means for solving the above-mentioned problems, the present invention provides a drying furnace for washing and drying a coated object that has undergone a surface treatment process as a pretreatment for electrodeposition coating. a to-be-coated object conveying device having a hanger for hanging the to-be-coated object from one side and configured to move the hanger in the drying oven; The present invention is characterized by the provision of a cover member having a cover portion that shields between the upper part of the hanger and the object to be coated.
（作用）
本発明では、上記手段、即ち、ハンガー上部と
被塗物との間をカバー部材で遮蔽する手段によつ
て、ハンガー上部に残留した脱脂液や化成液が被
塗物表面に付着するのを防止するという作用が得
られる。(Function) In the present invention, the degreasing liquid or chemical solution remaining on the hanger upper part adheres to the surface of the coated object by the above-mentioned means, that is, the means of shielding the space between the hanger upper part and the coated object with the cover member. This has the effect of preventing this.
（実施例）
以下第１図および第２図を参照して、本発明の
好適な実施例を説明する。(Embodiment) A preferred embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
この乾燥炉１は、前処理工程の最後に設置され
るものであり、側壁１ａ，１ａ内面に設けられた
熱風吹出口２，２…からの熱風によつて内部を通
過する被塗物３（具体的には車体）を水切乾燥す
る如く作用をする。 This drying oven 1 is installed at the end of the pre-treatment process, and the coated material 3 ( Specifically, it acts like draining and drying the car body.
該被塗物３は、乾燥炉１に至る前に、常法によ
る前処理、即ち、リン酸ソーダ等を含む脱脂液に
よる脱脂、リン酸亜鉛等を含む化成液による皮膜
化成および水洗処理を施されている。この前処理
工程中においては、終始同一の被塗物搬送装置４
によつて被塗物３が搬送されるようになつてい
る。 Before reaching the drying oven 1, the object to be coated 3 is subjected to conventional pretreatment, that is, degreasing with a degreasing liquid containing sodium phosphate, film formation with a chemical forming liquid containing zinc phosphate, etc., and washing with water. has been done. During this pre-treatment step, the same object conveying device 4 is used from beginning to end.
The object to be coated 3 is conveyed by.
該被塗物搬送装置４は、搬送方向からみてＣ型
を呈するハンガー５と該ハンガー５を移動させる
オーバヘツドコンベア６とによつて構成されてい
る。符号７はコンベア案内用のレールである。 The object conveying device 4 includes a hanger 5 that is C-shaped when viewed from the conveying direction, and an overhead conveyor 6 for moving the hanger 5. Reference numeral 7 is a rail for guiding the conveyor.
前記ハンガー５は、一側方から被塗物３を吊掛
けるべくＣ型を呈している。 The hanger 5 has a C-shape so that the object 3 to be coated can be hung from one side.
そして、乾燥炉１内において前記ハンガー５の
開放端と対向する側壁１ａ内面には、前記ハンガ
ー５が乾燥炉１内を通るとき、ハンガー５の上部
と被塗物３との間を遮蔽するカバー部を有する断
面状のカバー部材８が取付けられている。つま
り、被塗物３は、乾燥炉１内を通過する間カバー
部材８によつて覆われることとなるのである。 Inside the drying oven 1, a cover is provided on the inner surface of the side wall 1a facing the open end of the hanger 5 to shield between the upper part of the hanger 5 and the object to be coated 3 when the hanger 5 passes through the drying oven 1. A cross-sectional cover member 8 having a section is attached. In other words, the object 3 to be coated is covered by the cover member 8 while passing through the drying oven 1.
上記の如く構成することによつて、ハンガー５
の上部に脱脂液や化成液が残留したままで乾燥炉
１内に搬送されてきても、乾燥炉１内において、
被塗物３表面に脱脂液や化成液が付着するのを完
全に防止できる。 By configuring as described above, the hanger 5
Even if the degreasing liquid or chemical conversion liquid remains on the top of the drying furnace 1,
It is possible to completely prevent the degreasing liquid or chemical liquid from adhering to the surface of the object 3 to be coated.
なお、前記カバー部材８として、ヒートパネル
を用いることもできる。 Note that a heat panel can also be used as the cover member 8.
（発明の効果）
叙上の如く、本発明によれば、乾燥炉内におい
て、ハンガー上部と被塗物との間をカバー部材で
遮蔽するようにしたので、ハンガーに残留付着し
た処理液（脱脂液および化成液）が飛散しても、
カバー部材によつて遮蔽されることとなり、被塗
物への処理液付着を防止することができ、その結
果、次工程である電着塗装時のブツ発生を未然に
防止できるという優れた効果がある。(Effects of the Invention) As described above, according to the present invention, since the space between the upper part of the hanger and the object to be coated is shielded with the cover member in the drying oven, the processing liquid (degreasing liquid) remaining on the hanger can be removed. liquid and chemical liquid) are scattered,
It is shielded by the cover member, which prevents the treatment liquid from adhering to the object to be coated.As a result, it has the excellent effect of preventing the occurrence of bumps during the next process of electrodeposition coating. be.
第１図は本発明の実施例にかかる電着塗装にお
ける前処理用乾燥炉の概略を示す断面図、第２図
は第１図の乾燥炉におけるハンガーとカバー部材
との関係を示す斜視図、第３図は一般の前処理工
程を示すフローシートである。
１……乾燥炉、３……被塗物、４……被塗物搬
送装置、５……ハンガー、６……オーバヘツドコ
ンベア、８……カバー部材。
FIG. 1 is a sectional view schematically showing a drying oven for pretreatment in electrodeposition coating according to an embodiment of the present invention, and FIG. 2 is a perspective view showing the relationship between a hanger and a cover member in the drying oven of FIG. 1. FIG. 3 is a flow sheet showing a general pretreatment process. DESCRIPTION OF SYMBOLS 1...Drying oven, 3...To be coated, 4...To be coated object conveyor, 5...Hanger, 6...Overhead conveyor, 8...Cover member.
Claims (1)
えた被塗物を水洗後水切乾燥する乾燥炉であつ
て、一側方から被塗物を吊掛けるハンガーを有し
且つ該ハンガーを乾燥炉中で移動させるべく構成
された被塗物搬送装置と、前記乾燥炉内の装置固
定部に取付けられ、移動中のハンガー上部と被塗
物との間を遮蔽するカバー部を有するカバー部材
とを備えたことを特徴とする電着塗装における前
処理用乾燥炉。1 A drying oven for washing and drying the object to be coated which has undergone a surface treatment step as a pre-treatment for electrodeposition coating, which has a hanger for hanging the object to be coated from one side, and the hanger is connected to the drying oven. a cover member that is attached to a device fixing part in the drying oven and has a cover part that shields between the upper part of the hanger and the object being moved; A drying oven for pretreatment in electrodeposition coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16698284A JPS6144197A (en) | 1984-08-08 | 1984-08-08 | Drying furnace for pretreatment for coating by electrodeposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16698284A JPS6144197A (en) | 1984-08-08 | 1984-08-08 | Drying furnace for pretreatment for coating by electrodeposition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6144197A JPS6144197A (en) | 1986-03-03 |
| JPH0480996B2 true JPH0480996B2 (en) | 1992-12-21 |
Family
ID=15841205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16698284A Granted JPS6144197A (en) | 1984-08-08 | 1984-08-08 | Drying furnace for pretreatment for coating by electrodeposition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6144197A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0781505B2 (en) * | 1989-12-01 | 1995-08-30 | 戸田建設株式会社 | Construction method of underground structure |
| JP6544288B2 (en) * | 2016-04-11 | 2019-07-17 | 株式会社デンソー | Manufacturing method of plated products |
| KR102579360B1 (en) * | 2018-12-04 | 2023-09-18 | 현대자동차주식회사 | Auxiliary brake control system of vehicle |
-
1984
- 1984-08-08 JP JP16698284A patent/JPS6144197A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6144197A (en) | 1986-03-03 |
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