JPH0432157B2 - - Google Patents
Info
- Publication number
- JPH0432157B2 JPH0432157B2 JP58202948A JP20294883A JPH0432157B2 JP H0432157 B2 JPH0432157 B2 JP H0432157B2 JP 58202948 A JP58202948 A JP 58202948A JP 20294883 A JP20294883 A JP 20294883A JP H0432157 B2 JPH0432157 B2 JP H0432157B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- electrodeposition
- electrodes
- car body
- car
- 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
- 238000000576 coating method Methods 0.000 claims description 32
- 238000004070 electrodeposition Methods 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 25
- 239000003973 paint Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010422 painting Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は車体の電着塗装法の技術分野において
利用され、一つの塗装ラインに車種の異なる車体
を流して車種を判別検知し、車種に応じた異なる
厚さの塗装膜を形成するようにした混合生産にお
ける電着塗装法に関するものである。Detailed Description of the Invention (Industrial Application Field) The present invention is used in the technical field of electro-deposition coating for car bodies. The present invention relates to an electrodeposition coating method in mixed production in which coating films of different thicknesses are formed according to the requirements.
（従来技術）
従来行われている車体の連続的電着塗装方法に
おいては、電着槽を含む一つの塗装ラインに流す
車種は同一車種に限られていた。そして、異なる
車種の場合は別の塗装ラインに流して塗装されて
いた。これは、若し同一塗装ラインに車種の異な
る車体を流した場合は、その被塗物に要求される
塗装品質が高品質（厚い塗装膜）、低品質（薄い
塗装膜）の別なく均等な膜厚に塗装されてしまう
ためである。(Prior Art) In the conventional continuous electrodeposition coating method for car bodies, the number of cars that can be applied to one painting line including an electrodeposition tank is limited to the same car model. In the case of different car models, the paint was applied to different paint lines. This means that if different types of car bodies are sent to the same painting line, the coating quality required for the objects to be painted will be uniform regardless of whether it is high quality (thick paint film) or low quality (thin paint film). This is because the film is coated too thickly.
また、従来技術として被塗物が入槽する時に入
槽部に近い電極電圧をソフトスタートさせること
により薄く塗装することは特公昭49−2968号公報
に記載されている。 Further, as a prior art, Japanese Patent Publication No. 49-2968 describes a method of applying a thin coating by soft-starting the electrode voltage near the entry section when the object to be coated enters the tank.
また、電極の槽内浸漬面積を変化させて前記塗
装膜厚を制御する方法としては特開昭52−127947
号公報で開示されてはいるが、いずれも異なる車
種の車体を同一塗装ラインに流して塗装膜厚を制
御しようとする技術思想のものではない。 Further, as a method of controlling the coating film thickness by changing the immersion area of the electrode in the tank, Japanese Patent Application Laid-Open No. 52-127947
Although disclosed in the above publication, none of them is based on the technical idea of controlling the coating film thickness by sending car bodies of different car models to the same painting line.
（発明が解決しようとする課題）
上記の如く従来方法においては、高級車、大衆
車、荷物車など、各々の要求される塗装品質（塗
装膜厚）が互いに異なる塗装を同時に行うには、
多数の塗装ラインを必要として設備費が多額にな
るばかりでなく、設備面積も大きなものが必要で
あるという問題があつた。(Problems to be Solved by the Invention) As described above, in the conventional method, in order to simultaneously paint luxury cars, mass-market cars, luggage cars, etc., which require different painting qualities (paint film thicknesses),
This method not only requires a large number of painting lines, which increases equipment costs, but also requires a large equipment area.
すなわち、本発明の課題は、要求される塗装膜
厚が異なる異種車体を同一塗装ラインに流して
も、各々に要求される膜厚で塗装を施すことがで
きるようにすることある。 That is, an object of the present invention is to enable different types of vehicle bodies having different required paint film thicknesses to be painted with the required film thickness even if they are sent to the same painting line.
（課題を解決するための手段）
本発明は、このような課題に対して、前期高級
車、大衆車など車種の別はセンサによつて検出す
るとともに、要求される塗装膜厚が薄い場合には
使用電極数を減らすようにするものである。(Means for Solving the Problems) In order to solve these problems, the present invention uses a sensor to detect different types of cars, such as early luxury cars and popular cars, and also detects when the required paint film thickness is thin. The purpose is to reduce the number of electrodes used.
すなわち、その方法は、互いの要求される塗装
膜厚が異なる異種車体を、多数の電極が設置され
た電着槽内に連続的に供給浸漬して電着塗装を施
こす混合生産における電着塗装法であつて、上記
電着槽に入槽部前方に設けた車種検出センサで入
槽しようとしている車体の種類を判別検知し、入
槽しようとしている車体に要求される塗装膜厚が
厚い車種の場合には上記電着槽における使用電極
数を多くし、入槽しようとしている車体に要求さ
れる塗装膜厚が薄い車種の場合には上記電着槽に
おける使用電極数を少なくすることを特徴とする
ものである。 In other words, this method is an electrodeposition method in mixed production in which different types of car bodies with different required coating film thicknesses are continuously fed into an electrodeposition bath equipped with a large number of electrodes and applied with electrodeposition coating. This is a painting method in which the type of car body that is about to enter the tank is determined and detected using a car type detection sensor installed in front of the tank section of the electrocoating tank, and the thickness of the paint film required for the car body that is about to enter the tank is determined. For car models, increase the number of electrodes used in the electrodeposition tank, and for car models with a thin coating film thickness required for the car body to be entered into the tank, reduce the number of electrodes used in the electrodeposition tank. This is a characteristic feature.
（作用）
上記混合生産における電着塗装法においては、
要求される塗装膜厚が厚い車種の場合には、使用
電極数が多くされるから、車体に電着する塗料の
量が多くなり塗装膜厚は厚くなる。一方、要求さ
れる塗装膜厚が薄い車種の場合には、使用電極数
が少なくされるから、車体に電着する塗料の量が
少なくなり塗装膜厚は薄くなる。(Function) In the electrodeposition coating method in the above mixed production,
In the case of a car model that requires a thicker coating film, the number of electrodes used is increased, which increases the amount of paint electrodeposited on the vehicle body, resulting in a thicker coating film. On the other hand, in the case of a car model that requires a thin coating film thickness, the number of electrodes used is reduced, so the amount of paint electrodeposited on the car body is reduced, resulting in a thin coating film thickness.
（実施例）
以下、本発明の実施例を図面に基いて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
本発明の混合生産における電着塗装法の実施に
用いる塗装装置を説明すると、第１図ないし第３
図に示す如く、１は電着槽、２は電着槽１中の電
着液で該電着液２中には通常左右（第２図参照）
で15〜20枚の電極（陽極）が所定間隔に設けられ
ている。第１図及び第３図においてはこの電極の
数は片側のみについて少なく描いているが、電極
３ａ，３ｂ，３ｃは通電を断続できるもので、電
極３ｄ，３ｅ，３ｆ，３ｇは通常通電するもので
ある。 To explain the coating equipment used to carry out the electrodeposition coating method in mixed production of the present invention, Figures 1 to 3
As shown in the figure, 1 is an electrodeposition tank, 2 is an electrodeposition liquid in the electrodeposition tank 1, and the electrodeposition liquid 2 is usually left and right (see Figure 2).
15 to 20 electrodes (anodes) are provided at predetermined intervals. In FIGS. 1 and 3, the number of electrodes is small on one side only, but electrodes 3a, 3b, and 3c can be energized intermittently, and electrodes 3d, 3e, 3f, and 3g are energized normally. It is.
上記電着槽１の上には搬送ライン４のレール５
が設けられ、該レール上を移動する吊具６に要求
される塗装膜厚が厚い高級車車体７と、要求され
る塗装膜厚が薄い大衆車車体８が混合して吊下げ
られている。搬送される車体が電着槽１に入槽す
る前方の適当な位置に車種検知センサ９が設けら
れ、該検知センサ９に比較判別装置１０が接続さ
れ、該装置１０により車種を判別する。検知セン
サ９はたとえば光電管を使用し、車体に予め貼着
されたコード票を読みとるか、または、車体に穿
孔された孔等で車種を検知させ、この検知に基づ
いてソレノイドスイツチ１１を高級車車体７の場
合はON、大衆車車体８の場合は0FFさせるよう
になつている。電源は車体側がマイナス、電極３
ａ〜３ｇ側がプラスに接続されている。 Above the electrodeposition bath 1 is a rail 5 of the conveyance line 4.
is provided, and a mixture of a luxury car body 7, which requires a thick coating film thickness, and a mass-market vehicle body 8, which requires a thin coating film thickness, are suspended from the hanging tool 6 moving on the rail. A vehicle type detection sensor 9 is provided at an appropriate position in front of the vehicle body being transported into the electrodeposition bath 1. A comparison and discrimination device 10 is connected to the detection sensor 9, and the vehicle type is determined by the device 10. The detection sensor 9 uses, for example, a phototube to read a code tag pasted on the car body, or detects the car type through a hole drilled in the car body, and based on this detection, the solenoid switch 11 is activated to detect the type of car. In the case of 7, it is set to ON, and in the case of mass car body 8, it is set to 0FF. The power source is negative on the car body side, electrode 3
The a to 3g sides are connected to the positive terminal.
電極３ａ，３ｂ，３ｃは第１図に示す如く入槽
部に近い側に設けられてソレノイドスイツチ１１
の接点１２に接続され、それらの電極３ａ，３
ｂ，３ｃと並んでその前方に福数枚の電極３ｄ，
３ｅ，３ｆ，３ｇが設けられ、それら電極３ｄ〜
３ｇはソレノイドスイツチ１１の接点１３に接続
され、さらに電源のプラス極に接続されている。
次に、本発明の塗装方法について説明すれば、い
ま、車体搬送ライン４が作動して各車体７，８等
が電着槽１に入槽するべく動いているとき、車体
が高級車車体７の場合は検知センサ９の信号によ
つて比較判別装置１０が作動し、ソレノイドスイ
ツチ１１をONとする。この場合は、電極３ａ，
３ｂ，３ｃ，３ｄ，３ｅ，３ｆ，３ｇの全部が電
源１４のプラス側に接続され、入槽する高級車車
体７は厚い膜厚で高品質の塗装がなされることに
なる。次に入槽する車体が大衆車車体８である場
合は前記同様に検知センサ９および比較判別装置
１０大衆車車体８を別紙、ソレノイドスイツチ１
１の接点１２と１３は導通することなく、従つ
て、電極３ａ，３ｂ，３ｃは電源１４に接続され
ず、電着液２中の電極３ｄ，３ｅ，３ｆ３ｇのみ
で電着塗装されている薄い膜厚に塗装される。。
搬送される車体７，８は塗装を終つて電着槽１か
ら上昇した後は、図示省略したが水洗装置に送ら
れる。 The electrodes 3a, 3b, 3c are provided on the side closer to the bath entry part as shown in FIG.
are connected to the contact 12 of the electrodes 3a, 3
Along with b and 3c, there are several electrodes 3d in front of them,
3e, 3f, 3g are provided, and these electrodes 3d~
3g is connected to the contact 13 of the solenoid switch 11, and further connected to the positive pole of the power source.
Next, to explain the coating method of the present invention, when the car body conveyance line 4 is in operation and each car body 7, 8, etc. is moving to enter the electrocoating tank 1, the car body 7, 8, etc. In this case, the comparison and discrimination device 10 is activated by the signal from the detection sensor 9, and the solenoid switch 11 is turned on. In this case, the electrodes 3a,
3b, 3c, 3d, 3e, 3f, and 3g are all connected to the positive side of the power source 14, and the luxury car body 7 entering the tank will be coated with a thick coating of high quality. If the next vehicle to enter the tank is the mass vehicle body 8, the detection sensor 9 and comparison/discrimination device 10 and the mass vehicle body 8 are installed in a separate sheet, and the solenoid switch 1 is installed as described above.
The contacts 12 and 13 of No. 1 are not electrically conductive, therefore, the electrodes 3a, 3b, 3c are not connected to the power source 14, and the thin electrodes 3d, 3e, 3f and 3g in the electrodepositing solution 2 are electrodeposited only. Painted in a thick film. .
After the conveyed car bodies 7 and 8 finish painting and rise from the electrodeposition tank 1, they are sent to a washing device (not shown).
上記実施例における塗装条件の一例を示すと次
の通りである。 An example of the coating conditions in the above embodiment is as follows.
電圧：300±20V
通電時間：３〜４分
塗料濃度：20±１％
塗装膜厚：高級車車体外板25μ、大衆車車体外
板20μ
また、入槽時にしばしば発生する部分的な塗装
厚大または線状塗装等に対しては、従来では入槽
時の電極への電流制御または電極と車体間へのシ
ールド板の挿入などで制御している。本発明では
上記の方法を使用することもできるが、電極３
ａ，３ｂ，３ｃへの通電を遮断している場合は電
極３ｄ，３ｅ，３ｆ，３ｇのみの通電となり、車
体搬送ライン４の搬送方向における車体と電極３
ｄ，３ｅ，３ｆ，３ｇの距離が前記電極３ａ，３
ｂ，３ｃを使用していない分だけ離れているので
電極３ｄ，３ｅ，３ｆ，３ｇと車体間の電流は少
なく、従来発生したような入槽時の過大電流等に
よる線状塗装痕等を防止することができる。 Voltage: 300±20V Energizing time: 3 to 4 minutes Paint concentration: 20±1% Paint film thickness: 25μ on the outer panel of luxury cars, 20μ on the outer panels of mass-market cars.In addition, there are areas where the paint is thick, which often occurs when entering the tank. Conventionally, linear painting, etc., has been controlled by controlling the current to the electrodes when entering the tank or by inserting a shield plate between the electrodes and the vehicle body. Although the above method can also be used in the present invention, the electrode 3
When electricity is cut off to a, 3b, and 3c, only the electrodes 3d, 3e, 3f, and 3g are energized, and the car body and electrode 3 in the transport direction of the car body transport line 4 are energized.
d, 3e, 3f, 3g are the electrodes 3a, 3
Since electrodes 3d, 3e, 3f, and 3g are separated by the amount that they are not used, the current between the electrodes 3d, 3e, 3f, and 3g and the vehicle body is small, preventing linear paint marks caused by excessive current when entering the tank, which previously occurred. can do.
電極３ａ〜３ｇは必ずしも電着液２の中で順番
に配列されなければならないことはなく、第３図
で示す如く交互に配列することもできる。 The electrodes 3a to 3g do not necessarily have to be arranged in order in the electrodeposition liquid 2, but can also be arranged alternately as shown in FIG.
また、実施例では車体を陰極、電極を陽極にし
たが、逆の極性にしてもよい。 Further, in the embodiment, the vehicle body is used as a cathode and the electrode is used as an anode, but the polarity may be reversed.
（発明の効果）
本発明によれば、要求される塗装膜厚が互いに
異なる車体の種別を電着槽への入槽前に検出し、
要求される塗装膜厚が暑い場合には使用電極数を
多くし、要求される塗装膜厚が薄い場合には使用
電極数を少なくするようにしたから、各種車体を
各々に要求される塗装膜厚が異なるにも拘らず同
一の塗装ラインに流して車種に応じた異なる膜厚
の塗装膜を簡単に得ることができ、生産性の向上
が図れる。(Effects of the Invention) According to the present invention, the types of car bodies with different required coating film thicknesses are detected before entering the electrodeposition tank,
If the required paint film thickness is hot, the number of electrodes used is increased, and if the required paint film thickness is thin, the number of electrodes used is reduced. It is possible to easily obtain coating films with different thicknesses depending on the vehicle type by running them on the same coating line even though the thicknesses are different, thereby improving productivity.
図面は本発明方法の実施態様を例示し、第１図
混合生産における電着塗装装置の要部の正面図、
第２図は第１図の−線における断面図、第３
図は他の実施例における電着塗装装置の要部の正
面図である。
１……電着槽、３ａ，３ｂ，３ｃ……断続電
極、３ｄ，３ｅ，３ｆ，３ｇ……常用電極、７…
…高級車車体、８……大衆車車体、９……検知セ
ンサ、１０……比較判別装置、１１……ソレノイ
ドスイツチ。
The drawings illustrate embodiments of the method of the present invention;
Figure 2 is a sectional view taken along the - line in Figure 1;
The figure is a front view of main parts of an electrodeposition coating apparatus in another embodiment. 1...Electrodeposition tank, 3a, 3b, 3c...Intermittent electrode, 3d, 3e, 3f, 3g...Common electrode, 7...
... Luxury car body, 8... Mass car body, 9... Detection sensor, 10... Comparison/discrimination device, 11... Solenoid switch.
Claims (1)
を、多数の電極が設置された電着槽内に順次に供
給浸漬して電着塗装を施こす混合生産における電
着塗装法であつて、上記電着槽の入槽部前方に設
けた車種検出センサで入槽しようとしている車体
の種類を判別検知し、入槽しようとしている車体
に要求される塗装膜厚が厚い車種の場合には上記
電着槽における使用電極数を多くし、入槽しよう
としている車体に要求される塗装膜厚が薄い車種
の場合には上記電着槽における使用電極数を少な
くすることを特徴とする混合生産における電着塗
装法。1. An electrodeposition coating method in mixed production in which different types of vehicle bodies with different required coating film thicknesses are sequentially supplied and immersed into an electrodeposition bath equipped with a large number of electrodes to apply electrodeposition coating, A vehicle type detection sensor installed in front of the tank entry section of the electrodeposition tank detects the type of car body that is about to enter the tank, and if the type of car body that is about to enter the tank requires a thick coating film, the above In mixed production, the number of electrodes used in the electrodeposition tank is increased, and in the case of a car model whose paint film thickness required for the car body to be entered into the tank is thin, the number of electrodes used in the electrodeposition tank is reduced. Electrodeposition coating method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20294883A JPS6096795A (en) | 1983-10-28 | 1983-10-28 | Electrodeposition coating method in mixing production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20294883A JPS6096795A (en) | 1983-10-28 | 1983-10-28 | Electrodeposition coating method in mixing production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6096795A JPS6096795A (en) | 1985-05-30 |
| JPH0432157B2 true JPH0432157B2 (en) | 1992-05-28 |
Family
ID=16465811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20294883A Granted JPS6096795A (en) | 1983-10-28 | 1983-10-28 | Electrodeposition coating method in mixing production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6096795A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021039786A1 (en) * | 2019-08-28 | 2021-03-04 | 日東電工株式会社 | Polarizing film, layered polarizing film, image display panel, and image display device |
| WO2021039781A1 (en) * | 2019-08-28 | 2021-03-04 | 日東電工株式会社 | Polarization film, layered polarization film, image display panel, and image display device |
| WO2021039784A1 (en) * | 2019-08-28 | 2021-03-04 | 日東電工株式会社 | Polarizing film, laminated polarizing film, image display panel, and image display device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0768639B2 (en) * | 1986-12-10 | 1995-07-26 | トヨタ自動車株式会社 | Electrodeposition coating method |
| JPH01205096A (en) * | 1988-02-12 | 1989-08-17 | Oogi Shokai:Kk | Electrodedeposition device |
| JPH0293098A (en) * | 1988-09-30 | 1990-04-03 | Trinity Ind Corp | Electrodeposition coating equipment |
| JP4866980B2 (en) * | 2006-07-20 | 2012-02-01 | 関東自動車工業株式会社 | Electrodeposition coating equipment |
| JP2012031437A (en) * | 2010-07-28 | 2012-02-16 | Kanto Auto Works Ltd | Electrodeposition coating apparatus |
| JP5573541B2 (en) * | 2010-09-22 | 2014-08-20 | 日産自動車株式会社 | Electrodeposition coating apparatus and electrodeposition coating method |
| CN102465329B (en) * | 2010-11-19 | 2014-04-02 | 北汽福田汽车股份有限公司 | Electrophoresis line spraying equipment and system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59177398A (en) * | 1983-03-29 | 1984-10-08 | Kanto Jidosha Kogyo Kk | Electrodeposition painting method of vehicle body |
-
1983
- 1983-10-28 JP JP20294883A patent/JPS6096795A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59177398A (en) * | 1983-03-29 | 1984-10-08 | Kanto Jidosha Kogyo Kk | Electrodeposition painting method of vehicle body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021039786A1 (en) * | 2019-08-28 | 2021-03-04 | 日東電工株式会社 | Polarizing film, layered polarizing film, image display panel, and image display device |
| WO2021039781A1 (en) * | 2019-08-28 | 2021-03-04 | 日東電工株式会社 | Polarization film, layered polarization film, image display panel, and image display device |
| WO2021039784A1 (en) * | 2019-08-28 | 2021-03-04 | 日東電工株式会社 | Polarizing film, laminated polarizing film, image display panel, and image display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6096795A (en) | 1985-05-30 |
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