JPH07873A - Method and device for cleaning rotary atomization coating machine - Google Patents
Method and device for cleaning rotary atomization coating machineInfo
- Publication number
- JPH07873A JPH07873A JP5147776A JP14777693A JPH07873A JP H07873 A JPH07873 A JP H07873A JP 5147776 A JP5147776 A JP 5147776A JP 14777693 A JP14777693 A JP 14777693A JP H07873 A JPH07873 A JP H07873A
- Authority
- JP
- Japan
- Prior art keywords
- rotary atomizing
- cleaning
- coating machine
- atomizing head
- coating
- 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.)
- Pending
Links
Landscapes
- Nozzles (AREA)
- Electrostatic Spraying Apparatus (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本願発明は、回転霧化塗装機の洗
浄方法およびその装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cleaning a rotary atomizing coating machine and an apparatus therefor.
【０００２】[0002]
【従来の技術】一般に、自動車の車体塗装においては、
駆動手段により回転駆動される回転軸先端にベル状の回
転霧化頭を共回り可能に設け、該回転霧化頭の前面に塗
料供給通路を介して供給される塗料を遠心力によって霧
化しつつ被塗装物に向けて噴射する回転霧化塗装機を用
いることが多い(例えば、特開平３ー１０１８５８号公
報参照)。2. Description of the Related Art Generally, in painting a car body,
A bell-shaped rotary atomizing head is rotatably provided at the tip of a rotary shaft that is rotationally driven by a drive unit, and the paint supplied to the front surface of the rotary atomizing head through a paint supply passage is atomized by centrifugal force. A rotary atomizing coater that sprays toward the object to be coated is often used (see, for example, JP-A-3-101858).
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記のよう
な構成の回転霧化塗装機による塗装および塗装後におけ
る回転霧化頭等の洗浄は、次のようにして行なわれる。By the way, the coating by the rotary atomizing coater having the above-mentioned structure and the cleaning of the rotary atomizing head after coating are carried out as follows.
【０００４】即ち、図５に示すように、被塗装物Ｗに対
して相対移動する回転霧化塗装機による塗装は、塗装工
程、塗装終了後から所定時間の経過を待つ待機工程およ
び回転霧化頭および塗料供給通路を洗浄する洗浄工程に
より行なわれることとなっており、回転霧化頭は、例え
ば塗装工程においては２５０００rpmで、待機工程にお
いては２００００rpmで、洗浄工程においては３０００
０rpmでそれぞれ回転駆動せしめられることとなってい
る。ここで、待機工程において回転霧化頭の回転を停止
させることなく継続させているのは、次の洗浄工程にお
いて再度回転数を上げる場合に効率的であるからであ
る。That is, as shown in FIG. 5, the coating by a rotary atomizing coating machine that moves relative to the object W to be coated is a coating step, a waiting step for waiting a predetermined time after the completion of coating, and rotary atomization. It is supposed to be carried out by a cleaning process for cleaning the head and the paint supply passage. The rotary atomizing head is, for example, 25000 rpm in the coating process, 20000 rpm in the standby process and 3000 in the cleaning process.
It is supposed to be driven to rotate at 0 rpm respectively. Here, the reason why the rotation of the rotary atomizing head is continued without stopping in the standby step is that it is efficient when the number of rotations is increased again in the next cleaning step.
【０００５】ところが、上記したように待機工程におい
て回転霧化頭の回転を継続させていると、回転霧化頭に
付着している塗料の溶剤分が揮発してしまって塗料が固
化する。すると、洗浄が困難になってしまって洗浄工程
が長くなり、次の塗装工程までの時間がかかりすぎると
ともに洗浄用シンナーの使用量も多くなるという不具合
が生ずる。However, when the rotary atomizing head continues to rotate in the standby step as described above, the solvent component of the paint adhering to the rotary atomizing head is volatilized and the paint solidifies. Then, cleaning becomes difficult and the cleaning process becomes long, and it takes too much time until the next coating process and the amount of cleaning thinner used also increases.
【０００６】本願発明は、上記の点に鑑みてなされたも
ので、塗装終了から洗浄開始までの待機工程における塗
料からの溶剤の揮発を抑えることにより、洗浄工程にお
ける洗浄性の向上と洗浄用シンナーの使用量の低減とを
図ることを目的とするものである。The present invention has been made in view of the above points, and by suppressing evaporation of the solvent from the paint in the standby process from the end of coating to the start of cleaning, the cleaning performance in the cleaning process is improved and the thinner for cleaning is used. The purpose of this is to reduce the usage amount of.
【０００７】[0007]
【課題を解決するための手段】請求項１の方法では、上
記課題を解決するための手段として、駆動手段により回
転駆動される回転軸先端にベル状の回転霧化頭を共回り
可能に設け、該回転霧化頭の前面に塗料供給通路を介し
て供給される塗料を遠心力によって霧化しつつ被塗装物
に向けて噴射する回転霧化塗装機を用いて該回転霧化塗
装機と相対移動せしめられる被塗装物を塗装した後にお
いて前記回転霧化頭および塗料供給通路を洗浄する方法
において、塗装終了後から洗浄に支障のない位置に回転
霧化塗装機が相対移動するまでの待機工程において前記
回転霧化頭の回転を停止させ、その後の洗浄時において
前記回転霧化頭を再回転させるようにしている。According to the method of claim 1, as a means for solving the above-mentioned problems, a bell-shaped rotary atomizing head is provided so as to be co-rotatable at the tip of a rotary shaft which is rotationally driven by a drive means. Relative to the rotary atomizing coater using a rotary atomizing coater that atomizes the paint supplied to the front surface of the rotary atomizing head through a paint supply passage toward the object to be coated while centrifugally atomizing the paint. In the method of cleaning the rotary atomizing head and the paint supply passage after painting an object to be moved, a waiting step from the completion of coating until the rotary atomizing coater relatively moves to a position that does not hinder cleaning. In step 1, the rotation of the rotary atomizing head is stopped, and the rotary atomizing head is re-rotated during the subsequent cleaning.
【０００８】請求項２の装置では、上記課題を解決する
ための手段として、駆動手段により回転駆動される回転
軸先端にベル状の回転霧化頭を共回り可能に設け、該回
転霧化頭の前面に塗料供給通路を介して供給される塗料
を遠心力によって霧化しつつ被塗装物に向けて噴射する
回転霧化塗装機に、前記回転霧化頭の回転を停止させる
ブレーキ手段と、塗装終了後から洗浄に支障のない位置
に回転霧化塗装機が相対移動するまでの待機工程におい
て前記ブレーキ手段に対して作動指令を出力し、回転霧
化頭および塗料供給通路の洗浄時において前記駆動手段
に対して作動指令を出力する制御手段とを付設するよう
にしている。In a device according to a second aspect, as a means for solving the above-mentioned problems, a bell-shaped rotary atomizing head is provided at the tip of a rotary shaft which is rotationally driven by a driving means so as to be co-rotatable, To the front surface of the rotary atomizing coating machine that atomizes the paint supplied through the paint supply passage toward the object to be sprayed by centrifugal force, and brake means for stopping the rotation of the rotary atomizing head; After the completion, the operation command is output to the brake means in the standby process until the rotary atomizing coating machine relatively moves to a position that does not interfere with the cleaning, and the drive is performed during the cleaning of the rotary atomizing head and the paint supply passage. A control means for outputting an operation command to the means is additionally provided.
【０００９】[0009]
【作用】請求項１の方法あるいは請求項２の装置では、
上記手段によって次のような作用が得られる。According to the method of claim 1 or the apparatus of claim 2,
The following actions are obtained by the above means.
【００１０】即ち、回転霧化塗装機を用いた塗装が終了
した後から洗浄に支障のない位置に回転霧化塗装機が相
対移動するまでの待機工程において回転霧化頭の回転が
停止されるところから、回転霧化頭に付着している塗料
の溶剤分の待機工程における揮発が可及的に抑制される
こととなり、次工程での洗浄が極めて容易となる。That is, the rotation of the rotary atomizing head is stopped in the standby process after the coating using the rotary atomizing coating machine is completed and until the rotary atomizing coating machine relatively moves to a position that does not interfere with the cleaning. Therefore, volatilization of the solvent of the paint adhering to the rotary atomizing head in the standby step is suppressed as much as possible, and the cleaning in the next step becomes extremely easy.
【００１１】[0011]
【発明の効果】請求項１の方法によれば、駆動手段によ
り回転駆動される回転軸先端にベル状の回転霧化頭を共
回り可能に設け、該回転霧化頭の前面に塗料供給通路を
介して供給される塗料を遠心力によって霧化しつつ被塗
装物に向けて噴射する回転霧化塗装機を用いて該回転霧
化塗装機と相対移動せしめられる被塗装物を塗装した後
において前記回転霧化頭および塗料供給通路を洗浄する
方法において、塗装終了後から洗浄に支障のない位置に
回転霧化塗装機が相対移動するまでの待機工程において
前記回転霧化頭の回転を停止させ、その後の洗浄時にお
いて前記回転霧化頭を再回転させるようにしているの
で、回転霧化頭に付着している塗料の溶剤分の待機工程
における揮発が可及的に抑制されることとなり、次工程
での洗浄が極めて容易となる。従って、洗浄工程におけ
る洗浄時間の短縮化および洗浄用シンナーの使用量の低
減を図ることができるという優れた効果がある。According to the method of the present invention, a bell-shaped rotary atomizing head is provided so as to be co-rotatable at the tip of the rotary shaft which is rotationally driven by the driving means, and a paint supply passage is provided in front of the rotary atomizing head. After coating the object to be coated that is moved relative to the rotary atomizing coating machine using a rotary atomizing coating machine that sprays the coating material supplied via In the method of cleaning the rotary atomizing head and the paint supply passage, the rotation of the rotary atomizing head is stopped in a standby step after the completion of coating until the rotary atomizing coating machine relatively moves to a position that does not interfere with cleaning, Since the rotary atomizing head is re-rotated at the time of subsequent cleaning, volatilization in the standby step of the solvent component of the paint adhering to the rotary atomizing head is suppressed as much as possible. Very easy to wash in the process To become. Therefore, there is an excellent effect that the cleaning time in the cleaning step can be shortened and the amount of the thinner used for cleaning can be reduced.
【００１２】請求項２の装置によれば、駆動手段により
回転駆動される回転軸先端にベル状の回転霧化頭を共回
り可能に設け、該回転霧化頭の前面に塗料供給通路を介
して供給される塗料を遠心力によって霧化しつつ被塗装
物に向けて噴射する回転霧化塗装機に、前記回転霧化頭
の回転を停止させるブレーキ手段と、塗装終了後から洗
浄に支障のない位置に回転霧化塗装機が相対移動するま
での待機工程において前記ブレーキ手段に対して作動指
令を出力し、回転霧化頭および塗料供給通路の洗浄時に
おいて前記駆動手段に対して作動指令を出力する制御手
段とを付設して、待機工程において回転霧化頭の回転が
停止されるようにしたので、回転霧化頭に付着している
塗料の溶剤分の待機工程における揮発が可及的に抑制さ
れることとなり、次工程での洗浄が極めて容易となる。
従って、洗浄工程における洗浄時間の短縮化および洗浄
用シンナーの使用量の低減を図ることができるという優
れた効果がある。According to the second aspect of the invention, a bell-shaped rotary atomizing head is provided at the tip of the rotary shaft which is rotationally driven by the drive means so as to be co-rotatable, and a paint supply passage is provided in front of the rotary atomizing head. A spray atomizer that sprays the supplied paint toward the object while atomizing it by centrifugal force, brake means to stop the rotation of the rotary atomizer head, and there is no hindrance to cleaning after the end of coating. Outputs an operation command to the braking means in a standby process until the rotary atomizing coating machine moves relative to the position, and outputs an operation command to the driving means when cleaning the rotary atomizing head and the paint supply passage. Since the rotation of the rotary atomizing head is stopped in the standby process by attaching a control means to operate, the solvent of the paint adhering to the rotary atomizing head is volatilized in the standby process as much as possible. Will be suppressed, Washing in step is very easy.
Therefore, there is an excellent effect that the cleaning time in the cleaning step can be shortened and the amount of the thinner used for cleaning can be reduced.
【００１３】[0013]
【実施例】以下、添付の図面を参照して本願発明の好適
な実施例を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
【００１４】本実施例において本願発明が適用される回
転霧化塗装機Ｘは、図３に示すように、略円筒状のケー
シング１と、該ケーシング１の中心に配設された回転軸
２の先端に共回り可能に設けられたベル状の回転霧化頭
３と、該回転霧化頭３の外周側において前記ケーシング
１の先端部に設けられたシェーピングエア用通路４と、
前記回転軸２の中心部に配設され、前記回転霧化頭３の
前面に塗料を供給する塗料供給通路５と、前記回転軸２
を回転駆動させる駆動手段を構成するエアモータ６とを
備えて構成されている。As shown in FIG. 3, a rotary atomizing coating machine X to which the present invention is applied in this embodiment includes a substantially cylindrical casing 1 and a rotary shaft 2 arranged at the center of the casing 1. A bell-shaped rotary atomizing head 3 provided so as to be co-rotatable at the tip, and a shaping air passage 4 provided at the tip of the casing 1 on the outer peripheral side of the rotary atomizing head 3.
A paint supply passage 5 arranged at the center of the rotary shaft 2 for supplying paint to the front surface of the rotary atomizing head 3, and the rotary shaft 2
And an air motor 6 which constitutes a driving means for rotationally driving.
【００１５】前記塗料供給通路５には、複数種類の色塗
料および洗浄用シンナーが供給されることとなってい
る。符号７は塗料供給ヘッド、８はトリガバルブであ
る。Plural kinds of color paints and cleaning thinners are supplied to the paint supply passage 5. Reference numeral 7 is a paint supply head, and 8 is a trigger valve.
【００１６】前記エアモータ６は、タービン羽根６a,６
a・・を有するタービン式とされており、前記タービン
羽根６a,６a・・にノズル９から噴射されるタービンエ
アＡの噴射力により回転駆動されることとなっている。
つまり、特許請求の範囲における駆動手段は、エアモー
タ６とタービンエアＡとによって構成されることとなっ
ている。なお、タービンエアＡの噴射力を調整すること
によりエアモータ６の回転数が制御されることとなって
いる。符号１０はタービンエア供給パイプである。The air motor 6 includes turbine blades 6a, 6
.., which is a turbine type, and is rotationally driven by the injection force of turbine air A injected from the nozzle 9 to the turbine blades 6a, 6a.
That is, the driving means in the claims is composed of the air motor 6 and the turbine air A. The rotation speed of the air motor 6 is controlled by adjusting the injection force of the turbine air A. Reference numeral 10 is a turbine air supply pipe.
【００１７】本実施例においては、前記エアモータ６に
よる回転を停止するために前記タービン羽根６a,６a・
・に対して前記ノズル９とは反対の方向からブレーキエ
アＢを噴射するノズル１１が設けられている。つまり、
ノズル１１から噴射されるブレーキエアＢの噴射力によ
ってエアモータ６による回転が停止されることとなって
いるのである。この時、ノズル９からのタービンエアＡ
の噴射は停止される。そして、前記ノズル９あるいはノ
ズル１１へのタービンエアＡあるいはブレーキエアＢの
供給は、エア源(図示省略)からのエア供給を切り換える
切換弁１２,１３の作動制御により選択的に切り換えら
れることとなっており、特許請求の範囲におけるブレー
キ手段は、ブレーキエアＢにより構成されることとなっ
ている。符号１４はブレーキエア供給パイプである。In this embodiment, in order to stop the rotation by the air motor 6, the turbine blades 6a, 6a.
The nozzle 11 for injecting the brake air B from the direction opposite to the nozzle 9 is provided. That is,
The rotation of the air motor 6 is stopped by the ejection force of the brake air B ejected from the nozzle 11. At this time, turbine air A from the nozzle 9
Injection is stopped. The supply of the turbine air A or the brake air B to the nozzle 9 or the nozzle 11 is selectively switched by the operation control of the switching valves 12 and 13 which switch the air supply from the air source (not shown). Therefore, the braking means in the claims is constituted by the brake air B. Reference numeral 14 is a brake air supply pipe.
【００１８】この回転霧化塗装機Ｘは、エアモータ６に
より回転駆動される回転霧化頭３の前面に供給された塗
料を遠心力によって霧化しつつ被塗装物に向けて噴射す
ることにより塗装を行うこととなっている。This rotary atomizing coating machine X sprays the paint supplied to the front surface of the rotary atomizing head 3 which is rotationally driven by an air motor 6 toward the object to be coated while atomizing the paint by centrifugal force. It is supposed to be done.
【００１９】この回転霧化塗装機Ｘによる塗装および塗
装後における回転霧化頭３の洗浄は、次のようにして行
なわれる。The coating by the rotary atomizing coating machine X and the cleaning of the rotary atomizing head 3 after coating are performed as follows.
【００２０】即ち、図４に示すように、被塗装物Ｗに対
して相対移動する回転霧化塗装機Ｘによる塗装は、塗装
工程、塗装終了後から所定時間の経過を待つ待機工程お
よび回転霧化頭３および塗料供給通路５を洗浄する洗浄
工程により行なわれることとなっており、回転霧化頭３
は、例えば塗装工程においては２５０００rpmで、待機
工程においては０rpm(即ち、停止)で、洗浄工程におい
ては３００００rpmでそれぞれ回転駆動せしめられるこ
ととなっている。なお、回転霧化頭３および塗料供給通
路５の洗浄は、塗料供給通路５を介して供給される洗浄
用シンナーにより行なわれることとなっている。That is, as shown in FIG. 4, the coating by the rotary atomizing coating machine X which moves relative to the object to be coated W includes a coating step, a waiting step for waiting a predetermined time after completion of the coating, and a rotary fog. It is supposed to be carried out in a cleaning process for cleaning the head 3 and the paint supply passage 5.
Are driven to rotate at 25000 rpm in the coating process, 0 rpm (that is, stopped) in the standby process, and 30,000 rpm in the cleaning process, respectively. Cleaning of the rotary atomizing head 3 and the paint supply passage 5 is performed by a cleaning thinner supplied through the paint supply passage 5.
【００２１】しかして、この回転霧化塗装機Ｘには、図
１に示すように、前記エアモータ６を制御するための制
御手段として作用するエアモータ制御回路１５が付設さ
れている。符号１６は塗装時における回転霧化頭３の回
転数を設定する回転数設定器である。However, as shown in FIG. 1, the rotary atomizing coating machine X is additionally provided with an air motor control circuit 15 which functions as a control means for controlling the air motor 6. Reference numeral 16 is a rotation speed setting device for setting the rotation speed of the rotary atomizing head 3 during coating.
【００２２】該エアモータ制御回路１５は、塗装終了後
から洗浄に支障のない位置に回転霧化塗装機Ｘが相対移
動するまでの待機工程において前記ブレーキ手段(具体
的には、ブレーキエアＢ)に対して作動指令(即ち、切換
弁１２,１３の切換作動指令)を出力し、回転霧化頭３お
よび塗料供給通路５の洗浄時において前記駆動手段(具
体的には、タービンエアＡ)に対して作動指令(即ち、切
換弁１２,１３の切換作動指令)を出力することとされて
いる。The air motor control circuit 15 applies the brake means (specifically, the brake air B) to the brake means (specifically, the brake air B) in a standby process after the coating is completed until the rotary atomizing coating machine X relatively moves to a position where the cleaning is not hindered. On the other hand, an operation command (that is, a switching operation command for the switching valves 12 and 13) is output to the drive means (specifically, the turbine air A) at the time of cleaning the rotary atomizing head 3 and the paint supply passage 5. To output an operation command (that is, a switching operation command for the switching valves 12 and 13).
【００２３】ついで、図３に示すフローチャートを参照
して、上記実施例におけるエアモータ制御について説明
する。Next, the air motor control in the above embodiment will be described with reference to the flow chart shown in FIG.
【００２４】ステップＳ1において塗装開始信号の入力
があった場合には、ステップＳ2においてエアモータ制
御回路１５からの指令により切換弁１２がＯＮ作動(即
ち、開作動)され、切換弁１３がＯＦＦ作動(即ち、閉作
動)され、エアモータ６のタービン羽根６a,６a・・に向
けてタービンエアＡが噴射され、その噴射力によってエ
アモータ６が駆動される。該エアモータ６の駆動により
回転霧化頭３が回転せしめられて、供給塗料が被塗装物
Ｗに対して霧化塗装される。この時の回転数はステップ
Ｓ3において回転数設定器１６から読み出された２５０
００rpmに設定される。When a coating start signal is input in step S 1 , the switching valve 12 is turned on (that is, opened) and the switching valve 13 is turned off by a command from the air motor control circuit 15 in step S 2 . The turbine air A is operated (that is, closed), the turbine air A is injected toward the turbine blades 6a, 6a of the air motor 6, and the air motor 6 is driven by the injection force. The rotary atomizing head 3 is rotated by the drive of the air motor 6, and the paint to be supplied is atomized and coated on the object W to be coated. The rotation speed at this time is 250 read out from the rotation speed setting device 16 in step S 3 .
It is set to 00 rpm.
【００２５】そして、被塗装物Ｗへの塗装が終了したこ
とを知らせる塗装終了信号がステップＳ4において入力
されると、ステップＳ5においてエアモータ制御回路１
５からの指令により切換弁１２がＯＦＦ作動(即ち、閉
作動)され、切換弁１３がＯＮ作動(即ち、開作動)さ
れ、タービンエアＡの噴射が停止されるとともに、エア
モータ６のタービン羽根６a,６a・・に向けてブレーキ
エアＢが噴射され、その噴射力によってエアモータ６の
駆動が停止される。Then, when a coating end signal for notifying that the coating of the object W to be coated is completed is input in step S 4 , the air motor control circuit 1 is operated in step S 5 .
The switching valve 12 is turned off (that is, the closing operation) and the switching valve 13 is turned on (that is, the opening operation) in response to a command from the engine 5 to stop the injection of the turbine air A, and at the same time, the turbine blade 6a of the air motor 6 is stopped. Brake air B is ejected toward 6a, 6a, ... And the driving of the air motor 6 is stopped by the ejection force.
【００２６】エアモータ６の駆動が停止された状態のも
とに回転霧化塗装機Ｘと被塗装物Ｗとが、回転霧化塗装
機Ｘにおける回転霧化頭３および塗料供給通路５を洗浄
しても被塗装物Ｗに影響を及ぼさない位置まで相対移動
して、ステップＳ6において洗浄開始信号が入力される
と、ステップＳ7においてエアモータ制御回路１５から
の指令により切換弁１２がＯＮ作動(即ち、開作動)さ
れ、切換弁１３がＯＦＦ作動(即ち、閉作動)され、エア
モータ６のタービン羽根６a,６a・・に向けてタービン
エアＡが噴射され、その噴射力によってエアモータ６が
駆動される。該エアモータ６の駆動により回転霧化頭３
が回転せしめられて、洗浄用シンナーによる洗浄が行な
われる。この時の回転数はステップＳ8において回転数
設定器１６から読み出された３００００rpmに設定され
る。Under the condition that the drive of the air motor 6 is stopped, the rotary atomizing coating machine X and the object W to be cleaned wash the rotary atomizing head 3 and the paint supply passage 5 in the rotary atomizing coating machine X. even relative movement to a position that does not affect the object to be coated W, the cleaning start signal is input in step S 6, the switching valve 12 is oN operated by a command from the air motor control circuit 15 in step S 7 ( That is, the opening operation is performed, the switching valve 13 is turned off (that is, the closing operation is performed), the turbine air A is injected toward the turbine blades 6a, 6a of the air motor 6, and the air motor 6 is driven by the injection force. It The rotary atomizing head 3 is driven by the air motor 6
Is rotated and cleaning is performed with a cleaning thinner. The rotation speed at this time is set to 30,000 rpm read from the rotation speed setting device 16 in step S 8 .
【００２７】その後、ステップＳ9において洗浄終了信
号が入力されると、ステップＳ10においてエアモータ制
御回路１５からの指令により切換弁１２,１３がともに
ＯＦＦ作動され、一連のエアモータ制御は完了する。After that, when the cleaning end signal is input in step S 9 , both the switching valves 12 and 13 are turned off in response to a command from the air motor control circuit 15 in step S 10 , and a series of air motor control is completed.
【００２８】上記したように、本実施例においては、塗
装終了後から洗浄に支障のない位置に回転霧化塗装機Ｘ
が相対移動するまでの待機工程においてエアモータ６の
駆動(換言すれば、回転霧化頭３の回転)を停止させ、そ
の後の洗浄時においてエアモータ６を再駆動(換言すれ
ば、回転霧化頭３を再回転)させるようにしているた
め、回転霧化頭３に付着している塗料の溶剤分の待機工
程における揮発が可及的に抑制されることとなり、次工
程での洗浄が極めて容易となる。従って、洗浄工程にお
ける洗浄時間の短縮化および洗浄用シンナーの使用量の
低減を図ることができるのである。As described above, in this embodiment, the rotary atomizing coater X is placed at a position where it does not interfere with the cleaning after the completion of coating.
Driving of the air motor 6 (in other words, rotation of the rotary atomizing head 3) is stopped in a standby process until the relative movement of the air motor 6, and the air motor 6 is re-driven in subsequent washing (in other words, the rotary atomizing head 3). Therefore, the solvent of the paint adhering to the rotary atomizing head 3 can be suppressed from volatilizing as much as possible in the standby step, and cleaning in the next step is extremely easy. Become. Therefore, the cleaning time in the cleaning process can be shortened and the amount of thinner used for cleaning can be reduced.
【００２９】本願発明は、上記実施例の構成に限定され
るものではなく、発明の要旨を逸脱しない範囲において
適宜設計変更可能なことは勿論である。The invention of the present application is not limited to the configuration of the above embodiment, and it goes without saying that the design can be changed as appropriate without departing from the spirit of the invention.
【図１】本願発明の実施例にかかる回転霧化塗装機の洗
浄装置の概略を示す概略構成図である。FIG. 1 is a schematic configuration diagram showing an outline of a cleaning device for a rotary atomizing coating machine according to an embodiment of the present invention.
【図２】本願発明の実施例にかかる回転霧化塗装機の構
造を示す縦断面図である。FIG. 2 is a longitudinal sectional view showing the structure of a rotary atomizing coating machine according to an embodiment of the present invention.
【図３】本願発明の実施例にかかる回転霧化塗装機の洗
浄装置の作用を説明するためのフローチャートである。FIG. 3 is a flow chart for explaining the operation of the cleaning apparatus for a rotary atomizing coating machine according to the embodiment of the present invention.
【図４】本願発明の実施例にかかる回転霧化塗装機によ
る塗装、待機および洗浄の時間的経過を示すタイムチャ
ートである。FIG. 4 is a time chart showing a time course of coating, standby, and cleaning by the rotary atomizing coating machine according to the embodiment of the present invention.
【図５】従来の回転霧化塗装機による塗装、待機および
洗浄の時間的経過を示すタイムチャートである。FIG. 5 is a time chart showing a time course of coating, standby and washing by a conventional rotary atomizing coating machine.
２は回転軸、３は回転霧化頭、５は塗料供給通路、６は
駆動手段(エアモータ)、6aはタービン羽根、９,１１はノ
ズル、１２,１３は切換弁、１５は制御手段(エアモータ
制御回路)、Ａはタービンエア、Ｂはブレーキエア、Ｘ
は回転霧化塗装機、Ｗは被塗装物。2 is a rotary shaft, 3 is a rotary atomizing head, 5 is a paint supply passage, 6 is a drive means (air motor), 6a is a turbine blade, 9 and 11 are nozzles, 12 and 13 are switching valves, and 15 is control means (air motor). Control circuit), A is turbine air, B is brake air, X
Is a rotary atomizer and W is the object to be coated.
Claims (2)
端にベル状の回転霧化頭を共回り可能に設け、該回転霧
化頭の前面に塗料供給通路を介して供給される塗料を遠
心力によって霧化しつつ被塗装物に向けて噴射する回転
霧化塗装機を用いて該回転霧化塗装機と相対移動せしめ
られる被塗装物を塗装した後において前記回転霧化頭お
よび塗料供給通路を洗浄する方法であって、塗装終了後
から洗浄に支障のない位置に回転霧化塗装機が相対移動
するまでの待機工程において前記回転霧化頭の回転を停
止させ、その後の洗浄時において前記回転霧化頭を再回
転させることを特徴とする回転霧化塗装機の洗浄方法。1. A bell-shaped rotary atomizing head is rotatably provided at the tip of a rotary shaft that is rotationally driven by a driving means, and the paint supplied to the front surface of the rotary atomizing head through a paint supply passage is centrifuged. The rotary atomizing head and the paint supply passage are applied after the object to be coated which is relatively moved with the rotary atomizing coating machine is sprayed by using the rotary atomizing coating machine which atomizes by force and sprays toward the object to be coated. A method of cleaning, in which the rotation of the rotary atomizing head is stopped in a standby step after the coating is completed until the rotary atomizing coating machine relatively moves to a position that does not interfere with cleaning, and the rotation is performed during subsequent cleaning. A method for cleaning a rotary atomizing coating machine, which comprises rotating the atomizing head again.
端にベル状の回転霧化頭を共回り可能に設け、該回転霧
化頭の前面に塗料供給通路を介して供給される塗料を遠
心力によって霧化しつつ被塗装物に向けて噴射する回転
霧化塗装機には、前記回転霧化頭の回転を停止させるブ
レーキ手段と、塗装終了後から洗浄に支障のない位置に
回転霧化塗装機が相対移動するまでの待機工程において
前記ブレーキ手段に対して作動指令を出力し、回転霧化
頭および塗料供給通路の洗浄時において前記駆動手段に
対して作動指令を出力する制御手段とが付設されている
ことを特徴とする回転霧化塗装機の洗浄装置。2. A bell-shaped rotary atomizing head is provided so as to be co-rotatable at the tip of a rotary shaft that is rotationally driven by a drive means, and the paint supplied to the front surface of the rotary atomizing head through a paint supply passage is centrifuged. In a rotary atomizing coating machine that atomizes by force and sprays toward the object to be coated, a braking means for stopping the rotation of the rotary atomizing head and a rotary atomizing coating at a position where there is no hindrance to washing after the coating is completed. And a control means for outputting an operation command to the braking means in a standby process until the machine relatively moves and outputting an operation command to the driving means when cleaning the rotary atomizing head and the paint supply passage. A cleaning device for a rotary atomizing coating machine, which is characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5147776A JPH07873A (en) | 1993-06-18 | 1993-06-18 | Method and device for cleaning rotary atomization coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5147776A JPH07873A (en) | 1993-06-18 | 1993-06-18 | Method and device for cleaning rotary atomization coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07873A true JPH07873A (en) | 1995-01-06 |
Family
ID=15437930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5147776A Pending JPH07873A (en) | 1993-06-18 | 1993-06-18 | Method and device for cleaning rotary atomization coating machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07873A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944328A (en) * | 1983-12-21 | 1990-07-31 | Brundage Robert W | Solenoid controlled valve |
| JP2013119482A (en) * | 2011-12-06 | 2013-06-17 | Hyundai Motor Co Ltd | Moving device |
-
1993
- 1993-06-18 JP JP5147776A patent/JPH07873A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944328A (en) * | 1983-12-21 | 1990-07-31 | Brundage Robert W | Solenoid controlled valve |
| JP2013119482A (en) * | 2011-12-06 | 2013-06-17 | Hyundai Motor Co Ltd | Moving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4428973B2 (en) | Rotating atomizing coating apparatus and coating method | |
| JP2830683B2 (en) | Rotary atomizing electrostatic coating equipment | |
| JPH0370553B2 (en) | ||
| JPH07873A (en) | Method and device for cleaning rotary atomization coating machine | |
| JP3346146B2 (en) | Rotation atomization of rotary atomizing electrostatic coating equipment | |
| JP4020584B2 (en) | Nozzle cleaning method for spray coating equipment | |
| JPH07265746A (en) | Method and apparatus for electrostatic coating by rotary atomization | |
| JP4542692B2 (en) | Two-component mixed coating equipment | |
| JP2776225B2 (en) | Rotary atomization electrostatic coating method | |
| JP3223028B2 (en) | Electrostatic coating machine | |
| JP2001009329A (en) | Painting device and painting method using it | |
| JP4108186B2 (en) | Electrostatic painting gun using a rotary atomizing head | |
| JP4494611B2 (en) | Two-component mixed coating equipment | |
| JP3184405B2 (en) | Rotary atomizing electrostatic coating equipment | |
| JP4520601B2 (en) | Two-component mixed coating equipment | |
| JPS59228960A (en) | Rotary atomization electrostatic painting device | |
| JPH08332417A (en) | Bell-shaped coating apparatus | |
| JPH10277436A (en) | Intermediate coater | |
| JP2598769B2 (en) | Rotary atomizing electrostatic coating equipment | |
| JPH1071363A (en) | Coating method of bumper | |
| JP4240697B2 (en) | Rotary atomizing coating equipment | |
| JPH0125640Y2 (en) | ||
| JP2988239B2 (en) | Rotary atomizing electrostatic coating equipment | |
| JP2001129455A (en) | Coating device | |
| JPH08155349A (en) | Electrostatic coating method and electrostatic coating machine used therein |