JPH0796223A - Electrostatic coating machine - Google Patents
Electrostatic coating machineInfo
- Publication number
- JPH0796223A JPH0796223A JP24416793A JP24416793A JPH0796223A JP H0796223 A JPH0796223 A JP H0796223A JP 24416793 A JP24416793 A JP 24416793A JP 24416793 A JP24416793 A JP 24416793A JP H0796223 A JPH0796223 A JP H0796223A
- Authority
- JP
- Japan
- Prior art keywords
- paint
- coating
- machine body
- nozzles
- color
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1064—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces the liquid or other fluent material to be sprayed being axially supplied to the rotating member through a hollow rotating shaft
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、機体に内蔵されたエア
モータの管状回転軸の先端開口部から、その先端に取り
付けられた回転霧化頭内に塗料を供給するセンターフィ
ードタイプの静電塗装機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a center feed type electrostatic coating for supplying paint from a tip opening portion of a tubular rotary shaft of an air motor incorporated in a machine body into a rotary atomizing head attached to the tip thereof. Regarding the machine.
【０００２】[0002]
【従来の技術】センターフィードタイプの静電塗装機
は、図４に示すように、静電塗装機４１に色替装置４２
が塗料ホース４３を介して接続され、当該塗料ホース４
３が、エアモータ４４の管状回転軸４５に挿通された細
管状ノズル４６に連結され、当該ノズル４６内に形成さ
れたニードル弁を開いたときに前記塗料ホース４３から
供給される塗料を回転霧化頭４７で静電霧化させて塗装
するように成されており（実開平２−１１２３５３号公
報，実開平４−９１７５４号公報参照）、コンベアで次
々に搬送されてくる自動車ボディ等の被塗物を予め指定
された色の塗料で塗装する場合は、前記色替装置４２か
ら所望の色の塗料を回転霧化頭４７に供給して塗装を行
うように成されている。2. Description of the Related Art A center-feed type electrostatic coating machine includes an electrostatic coating machine 41 and a color changing device 42 as shown in FIG.
Are connected via a paint hose 43, and the paint hose 4
3 is connected to a thin tubular nozzle 46 inserted through a tubular rotary shaft 45 of an air motor 44, and the paint supplied from the paint hose 43 is atomized by rotation when a needle valve formed in the nozzle 46 is opened. The head 47 is electrostatically atomized for coating (see Japanese Utility Model Laid-Open No. 2-112353 and Japanese Utility Model Laid-Open No. 4-91754), and a vehicle body or the like that is successively conveyed by a conveyor is coated. When an object is painted with a paint of a designated color, the paint of a desired color is supplied from the color changing device 42 to the rotary atomizing head 47 for painting.
【０００３】そして、前色塗料から次色塗料へ色替えを
行う場合は、色替装置４２に設けられた洗浄溶剤供給バ
ルブ４８及び洗浄エア供給バルブ４９を交互に開閉し
て、洗浄溶剤と洗浄エアを断続的に供給することによ
り、色替装置４２，塗料ホース４３，細管状ノズル４６
及び回転霧化頭４７に残存し付着している前色塗料を洗
浄除去して、前色塗料と次色塗料の色混じりを防止して
いる。When the color change from the previous color paint to the next color paint is performed, the cleaning solvent supply valve 48 and the cleaning air supply valve 49 provided in the color changing device 42 are alternately opened and closed to clean the cleaning solvent and the cleaning solvent. By supplying air intermittently, the color changing device 42, the paint hose 43, the thin tubular nozzle 46
In addition, the previous color paint remaining and adhering to the rotary atomizing head 47 is washed and removed to prevent color mixture of the previous color paint and the next color paint.
【０００４】ところで、実際の塗装ラインでは、被塗物
が塗装色順にまとまって搬送されてくることはないの
で、連続して搬送されてくる被塗物に対し、続けて同じ
色で塗装を行う場合は殆どなく、１０台の被塗物を塗装
するうちに８〜９回程度の割合で色替えを行っているの
が現状である。例えば、白色塗装が５０％，赤色塗装が
２５％，青色塗装が２５％の割合で搬送される場合、白
−白−白−白−赤−赤−青−青というように色ごとにま
とまって搬送されてくれば色替えは２回で足りるが、実
際にこのように搬送されてくることは極めて稀であり、
通常は、白−赤−白−青−白−赤−白−青というように
順不同で搬送されてくるので、被塗物が到来するたびに
色替えを行っている。By the way, in an actual coating line, the objects to be coated are not conveyed in the order of the coating colors, so that the objects to be continuously conveyed are continuously coated with the same color. There is almost no case, and the current situation is that the color is changed at a rate of about 8 to 9 times while coating 10 objects to be coated. For example, when the white coating is 50%, the red coating is 25%, and the blue coating is 25%, the colors are grouped as white-white-white-white-red-red-blue-blue. If it is transported, it is enough to change the color twice, but it is extremely rare that it will be transported in this way,
Normally, they are conveyed in any order, such as white-red-white-blue-white-red-white-blue, so the color is changed every time the coated object arrives.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、色替え
の際には色混じり防止のため必ず洗浄を行わなければな
らず、洗浄を行う度に、塗料ホース４３内等に残存する
前色塗料を捨てることとになるので、莫大な塗料ロスを
生じるだけでなく、長い塗料ホース４３内を洗浄するた
めに洗浄溶剤も大量に必要となり、１ステージで年間数
千万円もの額の塗料及び溶剤を捨てなければならず、塗
装コストが嵩むという問題があった。However, in order to prevent color mixing when changing colors, the previous color paint remaining in the paint hose 43 or the like is discarded every time cleaning is performed. As a result, not only does a huge paint loss occur, but also a large amount of cleaning solvent is required to clean the interior of the long paint hose 43, and tens of millions of yen of paint and solvent are thrown away in one stage per year. However, there is a problem that the coating cost increases.
【０００６】この場合、管状回転軸４５内に複数の細管
状ノズル４６を挿入配設することができれば、塗料ロス
や洗浄溶剤のロスを軽減することができるが、ニードル
弁付の細管状ノズル４６を複数本挿入しようとしても、
管状回転軸４５の内径は限られており、しかも各ニード
ル弁を個別に開閉する開閉駆動機構を小型化するにも限
界があるので、結局、複数の細管状ノズル４６を管状回
転軸４５内に挿入配設することはできなかった。そこ
で、本発明は、機体内に設けた複数本の細管状ノズルの
ニードル弁を個別に開閉駆動することができ、毎回色替
を行う場合であっても、洗浄による塗料ロス，洗浄溶剤
のロスを減少させて塗料コストを軽減できるようにする
ことを技術的課題としている。In this case, if a plurality of thin tubular nozzles 46 can be inserted and arranged in the tubular rotary shaft 45, paint loss and washing solvent loss can be reduced, but the thin tubular nozzle 46 with a needle valve is provided. Even if you try to insert multiple
The inner diameter of the tubular rotary shaft 45 is limited, and there is also a limit to downsizing the opening / closing drive mechanism that individually opens and closes each needle valve. Therefore, in the end, a plurality of thin tubular nozzles 46 are installed in the tubular rotary shaft 45. It could not be inserted and arranged. Therefore, the present invention can individually open and close the needle valves of a plurality of thin tubular nozzles provided inside the machine body, and even when color change is performed every time, paint loss due to washing and loss of washing solvent are caused. It is a technical issue to reduce the paint cost by reducing the amount of paint.
【０００７】[0007]
【課題を解決するための手段】この課題を解決するため
に、本発明は、機体に内蔵されたエアモータの管状回転
軸の先端開口部から、その先端に取り付けられた回転霧
化頭内に塗料を供給する静電塗装機において、ノズル穴
をニードル弁で開閉する複数本の細管状ノズルが、機体
内で放射状に配列されて、前記管状回転軸の軸内に塗料
供給口を非接触状態で挿通するマニホールドに対して一
括接続されると共に、前記各ニードル弁を開閉駆動する
バルブ駆動部が機体の周面に沿って放射状に配列され、
各ノズルの後端は、所望色の塗料を供給する塗料ホース
の接続口に連結されていることを特徴とする。In order to solve this problem, the present invention relates to a coating from a tip opening portion of a tubular rotary shaft of an air motor incorporated in an airframe to a rotary atomizing head attached to the tip thereof. In the electrostatic coating machine for supplying a plurality of thin tubular nozzles that open and close the nozzle hole with a needle valve, the thin tubular nozzles are radially arranged in the machine body, and the coating material supply port is in a non-contact state in the shaft of the tubular rotary shaft. While being collectively connected to the manifold to be inserted, valve driving units for driving the opening and closing of each of the needle valves are arranged radially along the peripheral surface of the machine body,
The rear end of each nozzle is characterized by being connected to a connection port of a paint hose for supplying a paint of a desired color.
【０００８】[0008]
【作用】本発明によれば、ノズル穴をニードル弁で開閉
する複数本の細管状ノズルが放射状に配設されているの
で、そのニードル弁を開閉するシリンダ等のバルブ駆動
部をスペース的に余裕のある機体周面に配設して、各ニ
ードル弁を個別に開閉することができる。そして、所望
の細管状ノズルのニードルを開放すると、当該細管状ノ
ズルに連結された塗料ホースから供給される所望色の塗
料がマニホールドに形成された塗料供給口から回転霧化
頭内に供給される。また、各細管状ノズルはマニホール
ドに一括接続されているので、塗料はマニホールド及び
回転霧化頭にのみ残存し、残存量もわずかであるので、
色替洗浄の際に、マニホールド及び回転霧化頭のみを洗
浄すれば足り、洗浄時の塗料ロス，洗浄溶剤のロスが少
なく、洗浄時間も短縮される。According to the present invention, since a plurality of thin tubular nozzles for opening and closing the nozzle holes by the needle valves are radially arranged, a valve drive portion such as a cylinder for opening and closing the needle valves can be provided with a space. Each needle valve can be opened and closed individually by disposing the needle valve on the peripheral surface of the machine body. Then, when the needle of the desired thin tubular nozzle is opened, the paint of the desired color supplied from the paint hose connected to the thin tubular nozzle is supplied from the paint supply port formed in the manifold into the rotary atomizing head. . Further, since each thin tubular nozzle is connected to the manifold all at once, the paint remains only on the manifold and the rotary atomizing head, and the remaining amount is small,
It is sufficient to wash only the manifold and the rotary atomizing head at the time of color change washing, and the loss of paint and washing solvent at the time of washing is small, and the washing time is shortened.
【０００９】[0009]
【実施例】以下、本発明を図面に示す実施例に基づいて
具体的に説明する。図１は本発明に係る静電塗装機を示
す断面図、図２はそのＡ−Ａ線断面図、図３はその背面
図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on the embodiments shown in the drawings. 1 is a sectional view showing an electrostatic coating machine according to the present invention, FIG. 2 is a sectional view taken along the line AA, and FIG. 3 is a rear view thereof.
【００１０】図中１は、機体２に内蔵されたエアモータ
３の管状回転軸４の先端開口部から、その先端に取り付
けられた回転霧化頭５内に塗料を供給する静電塗装機で
あって、機体２内にはその中央に洗浄溶剤，洗浄エア，
使用頻度の少ない色の塗料を供給する細管状ノズルＮ0
が配設されると共に、その周囲には、白，赤，グレー，
青等の使用頻度の高い色の塗料を供給する細管状ノズル
Ｎ1 〜Ｎ6 が放射状に配設されている。Reference numeral 1 in the figure is an electrostatic coating machine for supplying paint from a tip opening of a tubular rotary shaft 4 of an air motor 3 incorporated in a machine body 2 into a rotary atomizing head 5 attached to the tip thereof. At the center of the machine body 2, cleaning solvent, cleaning air,
A thin tubular nozzle N 0 that supplies paint of a color that is rarely used
Are arranged, and white, red, gray, and
Fine tubular nozzle N 1 to N 6 supplies high color paints frequently used, such as blue are arranged radially.
【００１１】細管状ノズルＮ0 〜Ｎ6 は、その先端に形
成されたノズル穴６をニードル弁７で開閉するように成
されており、中央の細管状ノズルＮ0 は機体２の後端部
に設けられたシリンダ（バルブ駆動部）Ｓ0 にニードル
８が連結されて、当該シリンダＳ0 により開閉される。
また、他の細管状ノズルＮ1 〜Ｎ6 は放射状に配設され
ているので、そのニードル弁７を開閉するシリンダ（バ
ルブ駆動部）Ｓ1 〜Ｓ6 を、スペース的に余裕のある機
体２の周面に沿って放射状に配設することができる。そ
して、前記各シリンダＳ0 〜Ｓ6 は、ニードル８が連結
されたプランジャ９がスプリング１０によりノズル穴６
を閉じる方向に付勢され、空気供給口１１からシリンダ
Ｓ0 〜Ｓ6 内に圧縮空気が供給されたときにスプリング
１０の弾撥力に抗してプランジャ９が摺動されノズル穴
６が開放される。The thin tubular nozzles N 0 to N 6 are constructed such that a nozzle hole 6 formed at the tip thereof is opened and closed by a needle valve 7, and the thin tubular nozzle N 0 at the center is the rear end portion of the machine body 2. The needle 8 is connected to a cylinder (valve drive unit) S 0 provided in the cylinder and is opened and closed by the cylinder S 0 .
Further, since the other fine tubular nozzle N 1 to N 6 are arranged radially, aircraft cylinder (valve drive unit) S 1 to S 6 for opening and closing the needle valve 7, a space to afford 2 Can be arranged radially along the peripheral surface of the. In each of the cylinders S 0 to S 6 , the plunger 9 to which the needle 8 is connected is connected to the nozzle hole 6 by the spring 10.
Close is biased in a direction, the nozzle holes 6 plunger 9 is slid against the resilience of the spring 10 when the compressed air is supplied from the air supply port 11 a cylinder S 0 to S 6 is opened To be done.
【００１２】また、各細管状ノズルＮ0 〜Ｎ6 は、その
先端がエアモータ３の後方に形成されたマニホールド１
３に一括接続され、その後端が機体２の後端側に設けた
各塗料ホースＨ0 〜Ｈ6 の接続口Ｐ0 〜Ｐ6 に夫々連結
されている。そして、各ノズル穴６が当該マニホールド
１３に開口され、前記管状回転軸４の軸内に非接触状態
で挿通された塗料供給口１２を介して各色塗料が霧化頭
５に送給される。なお、塗料ホースＨ0 は、洗浄溶剤供
給バルブＶｓ及び洗浄エア供給バルブＶａと、使用頻度
の少ない色の塗料を供給する色替バルブ１４，１４・・
・が設けられた色替バルブ装置１５のマニホールド１６
に接続され、他の塗料ホースＨ1〜Ｈ6 は使用頻度の多
い各専用色の塗料供給源１７に接続されている。Each of the thin tubular nozzles N 0 to N 6 has a manifold 1 whose tip is formed behind the air motor 3.
3, and the rear ends thereof are respectively connected to the connection ports P 0 to P 6 of the paint hoses H 0 to H 6 provided on the rear end side of the machine body 2. Then, each nozzle hole 6 is opened in the manifold 13, and each color paint is fed to the atomizing head 5 through the paint supply port 12 which is inserted in the shaft of the tubular rotary shaft 4 in a non-contact state. The paint hose H 0 includes a cleaning solvent supply valve Vs, a cleaning air supply valve Va, and color change valves 14, 14, ...
・ The manifold 16 of the color changing valve device 15 provided with
, And the other paint hoses H 1 to H 6 are connected to the paint supply source 17 for each dedicated color that is frequently used.
【００１３】以上が本発明の一例構成であって次にその
作用について説明する。例えば、塗料ホースＨ1 で供給
される白色塗料から，塗料ホースＨ2 で供給される赤色
塗料に色替えする場合について説明する。まず、白色塗
料で塗装するときは、シリンダＳ1 に圧縮空気を供給し
てプランジャ９をスプリング１０の弾撥力に抗して摺動
させるとニードル８が引っ張られ、細管状ノズルＮ1 の
ノズル穴６が開放されるので、白色塗料がマニホールド
１３の塗料供給口１２から回転霧化頭５に供給され、静
電霧化されて被塗物（図示せず）に塗着される。The above is an example of the configuration of the present invention, and its operation will be described below. For example, a case where the white paint supplied by the paint hose H 1 is changed to the red paint supplied by the paint hose H 2 will be described. First, when painting with white paint, when compressed air is supplied to the cylinder S 1 and the plunger 9 is slid against the elastic force of the spring 10, the needle 8 is pulled and the nozzle of the thin tubular nozzle N 1 is drawn. Since the hole 6 is opened, the white paint is supplied from the paint supply port 12 of the manifold 13 to the rotary atomizing head 5, is electrostatically atomized, and is applied to an object to be coated (not shown).
【００１４】そして白色塗料による塗装が終了すると、
シリンダＳ1 への圧縮空気の供給を停止して細管状ノズ
ルＮ1 を閉じると同時に、シリンダＳ0 へ圧縮空気を供
給して中央の細管状ノズルＮ0 を開放した状態で、色替
バルブ装置１５の洗浄溶剤供給バルブＶｓ及び洗浄エア
供給バルブＶａを交互に開閉して、塗料ホースＨ0 を通
じて洗浄溶剤と洗浄エアをマニホールド１３内に断続的
に供給して残存する白色塗料を洗浄除去する。When the white paint is finished,
With the supply of compressed air to the cylinder S 1 stopped and the thin tubular nozzle N 1 closed, while the compressed air is supplied to the cylinder S 0 and the central thin tubular nozzle N 0 is opened, the color change valve device is provided. The cleaning solvent supply valve Vs and the cleaning air supply valve Va of 15 are alternately opened and closed to intermittently supply the cleaning solvent and the cleaning air into the manifold 13 through the paint hose H 0 to clean and remove the remaining white paint.
【００１５】このとき、マニホールド１３及び回転霧化
頭５内だけを洗浄すれば足りるので、洗浄に必要な洗浄
溶剤の量も洗浄時間も短くで済み、また、白色塗料のロ
スもこれらに残存する分だけなので、色替の際の塗料ロ
スが極めて少なくて済む。洗浄が終了すると、今度は、
シリンダＳ0 への圧縮空気の供給を停止して細管状ノズ
ルＮ0 を閉じ、被塗物が到来した時点で、シリンダＳ2
へ圧縮空気を供給して赤色塗料を供給する細管状ノズル
Ｎ2 を開放し、次色塗料を行う。At this time, since it is sufficient to wash only the inside of the manifold 13 and the rotary atomizing head 5, the amount of washing solvent required for washing and the washing time are short, and the loss of white paint remains in them. Since it is only a minute, the paint loss at the time of color change is extremely small. When the cleaning is finished, this time
When the supply of compressed air to the cylinder S 0 is stopped and the thin tubular nozzle N 0 is closed and the object to be coated arrives, the cylinder S 2
The thin tubular nozzle N 2 that supplies compressed air to supply red paint is opened, and the next color paint is applied.
【００１６】なお、細管状ノズルＮ1 〜Ｎ6 は、管状回
転軸４に対して垂直方向に形成する場合に限らず、多少
傾斜させて円錐面に配列させるようにして放射状に形成
してもよい。また、塗料ホースＨ0 〜Ｈ6 が接続される
塗料流入口Ｐ0 〜Ｐ6 は、機体２の背面に形成する場合
に限らず、側面に設ける場合であってもよい。さらに、
バルブ駆動部としてシリンダＳ0 〜Ｓ6 を用いる場合に
限らず、ダイアフラムやベローズ等のように流体圧によ
り往復駆動されるものであれば、任意の手段を採用する
ことができる。The thin tubular nozzles N 1 to N 6 are not limited to being formed in the direction perpendicular to the tubular rotating shaft 4, but may be formed in a radial shape by arranging them in a conical surface with a slight inclination. Good. Further, the paint inlets P 0 to P 6 to which the paint hoses H 0 to H 6 are connected are not limited to being formed on the back surface of the machine body 2, but may be provided on the side surfaces. further,
Not limited to the case where the cylinders S 0 to S 6 are used as the valve drive section, any means can be adopted as long as it can be reciprocally driven by fluid pressure such as a diaphragm or a bellows.
【００１７】[0017]
【発明の効果】以上述べたように、本発明によれば、機
体内に配設された各細管状ノズルが放射状に配列されて
いるので、そのニードル弁を開閉するシリンダ等のバル
ブ駆動部をスペース的に余裕のある機体周面に設けるこ
とができ、また、当該各細管状ノズルを開放したときに
吐出される塗料はマニホールドを介して回転霧化頭に供
給されるので、毎回色替を行う場合であっても、塗料ホ
ース内の塗料を捨てる必要はなく、洗浄により捨てなけ
ればならない塗料及び洗浄に使用する洗浄溶剤の量を減
少させて、塗装コストを軽減することができるという非
常に優れた効果を有する。As described above, according to the present invention, since the thin tubular nozzles arranged in the body are radially arranged, a valve drive unit such as a cylinder for opening and closing the needle valve is installed. It can be installed on the peripheral surface of the fuselage with plenty of space, and since the paint that is discharged when each of the thin tubular nozzles is opened is supplied to the rotary atomizing head through the manifold, it is necessary to change the color every time. Even if it is done, there is no need to throw away the paint in the paint hose, and the amount of paint that has to be thrown away by washing and the amount of washing solvent used for washing can be reduced, and the painting cost can be reduced. Has excellent effect.
【図１】本発明に係る静電塗装機を示す断面図。FIG. 1 is a cross-sectional view showing an electrostatic coating machine according to the present invention.
【図２】そのＡ−Ａ線断面図。FIG. 2 is a sectional view taken along the line AA.
【図３】従来装置を示すフローシート。FIG. 3 is a flow sheet showing a conventional device.
１・・・静電塗装機 ２・・・機体 ３・・・エアモータ ４・・・管状回転軸 ５・・・回転霧化頭 ６・・・ノズル穴 ７・・・ニードル弁 １２・・・塗料供給口 １３・・・マニホールド Ｎ0 〜Ｎ6 ・・・細管状ノズル Ｓ0 〜Ｓ6 ・・・シリンダ（バルブ駆動部） Ｈ0 〜Ｈ6 ・・・ホース Ｐ0 〜Ｐ6 ・・・接続口1 ... Electrostatic coating machine 2 ... Machine body 3 ... Air motor 4 ... Tubular rotating shaft 5 ... Rotating atomizing head 6 ... Nozzle hole 7 ... Needle valve 12 ... Paint supply port 13 ... manifold N 0 to N 6 ... fine tubular nozzle S 0 to S 6 ... cylinder (valve drive unit) H 0 to H 6 ... hose P 0 to P 6 ... connected mouth
Claims (1)
（３）の管状回転軸（４）の先端開口部から、その先端
に取り付けられた回転霧化頭（５）内に塗料を供給する
静電塗装機において、ノズル穴（６）をニードル弁
（７）で開閉する複数本の細管状ノズル（N1〜N6) が、
機体（２）内で放射状に配列されて、前記管状回転軸
（４）の軸内に塗料供給口（12）を非接触状態で挿通す
るマニホールド（13）に対して一括接続されると共に、
前記各ニードル弁（７）を開閉駆動するバルブ駆動部
（S1〜S6) が機体（２）の周面に沿って放射状に配列さ
れ、各ノズル（N1〜N6) の後端は、所望色の塗料を供給
する塗料ホースの接続口（P1〜P6) に連結されているこ
とを特徴とする静電塗装機。1. A static feed for supplying paint from a tip opening portion of a tubular rotary shaft (4) of an air motor (3) built in a machine body (2) into a rotary atomizing head (5) attached to the tip thereof. In an electric coating machine, a plurality of thin tubular nozzles (N 1 to N 6 ) that open and close the nozzle hole (6) with a needle valve (7)
The nozzles are arranged radially in the machine body (2) and are collectively connected to a manifold (13) that inserts the paint supply port (12) into the shaft of the tubular rotary shaft (4) in a non-contact state,
Valve drive parts (S 1 to S 6 ) for opening and closing the needle valves (7) are arranged radially along the peripheral surface of the machine body (2), and the rear ends of the nozzles (N 1 to N 6 ) are An electrostatic coating machine, which is connected to a connection port (P 1 to P 6 ) of a paint hose that supplies paint of a desired color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24416793A JP3392917B2 (en) | 1993-09-30 | 1993-09-30 | Electrostatic coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24416793A JP3392917B2 (en) | 1993-09-30 | 1993-09-30 | Electrostatic coating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0796223A true JPH0796223A (en) | 1995-04-11 |
| JP3392917B2 JP3392917B2 (en) | 2003-03-31 |
Family
ID=17114773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24416793A Expired - Fee Related JP3392917B2 (en) | 1993-09-30 | 1993-09-30 | Electrostatic coating machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3392917B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383226A (en) * | 2020-10-22 | 2022-04-22 | 华为数字能源技术有限公司 | Spraying device and evaporative cooling system |
-
1993
- 1993-09-30 JP JP24416793A patent/JP3392917B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383226A (en) * | 2020-10-22 | 2022-04-22 | 华为数字能源技术有限公司 | Spraying device and evaporative cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3392917B2 (en) | 2003-03-31 |
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