JP2000202329A - Rotary atomizer for coating mixed color - Google Patents

Rotary atomizer for coating mixed color

Info

Publication number
JP2000202329A
JP2000202329A JP11006806A JP680699A JP2000202329A JP 2000202329 A JP2000202329 A JP 2000202329A JP 11006806 A JP11006806 A JP 11006806A JP 680699 A JP680699 A JP 680699A JP 2000202329 A JP2000202329 A JP 2000202329A
Authority
JP
Japan
Prior art keywords
color
coating
rotary
paint
discharged
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
Application number
JP11006806A
Other languages
Japanese (ja)
Inventor
Masatake Fujishima
正剛 藤嶋
Masashi Murate
政志 村手
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP11006806A priority Critical patent/JP2000202329A/en
Publication of JP2000202329A publication Critical patent/JP2000202329A/en
Pending legal-status Critical Current

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  • Electrostatic Spraying Apparatus (AREA)
  • Spray Control Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a rotary atomizer for coating mixed color capable of obtaining a coated face quality excellent in a grain, a gloss, a pattern or the like by a method wherein coating of a mixed color having a specific pattern in which a particle size of a coated face is specified, can be executed. SOLUTION: A rotary shaft 1 capable of being rotated around an axis, and a rotary atomization head 20 fixed to the rotary shaft 1, are provided. A coating feed passage for each color wherein coating of a plurality of colors can be done independently for each color fed to the rotary atomization head 20 and can be done independently for each color discharged to a material 36 to be coated, is formed. Coating of a plurality of colors is independently done for each color fed and discharged toward the material to be coated 36 through a coating feed passage, which is independent for each color, of the rotary atomization head 20 rotating together with the rotary shaft 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、複数色をまだら状
に混ぜ合わせた模様塗装いわゆる混色塗装に使用する混
色塗装用回転霧化装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary atomizing apparatus for mixed-color coating used for so-called mixed-color coating, which is a pattern coating in which a plurality of colors are mixed in a mottling.

【0002】[0002]

【従来の技術】近年、自動車の車体塗装等の分野では、
個人の嗜好の多様化にともなって、色々な意匠性を向上
した塗装が行われている。その中に、被塗物上で2色以
上の色すなわち複数色をまだら状に混ぜ合わせた塗装を
行う模様塗装(混色塗装ともいう。)がある。
2. Description of the Related Art In recent years, in the field of car body painting and the like,
With the diversification of personal tastes, paintings with various designs have been improved. Among them, there is a pattern coating (also referred to as a mixed-color coating) in which two or more colors, that is, a plurality of colors are mixed and mixed in a mottled shape on an object to be coated.

【0003】従来の混色塗装は、図4に側面図で示すよ
うに、複数(図は2個を示す。)のエアースプレーガン
101,102を備えた双頭ガン100と呼ばれるもの
を使用することが多い。双頭ガン100は、各々のエア
ースプレーガン101,102に異なる色を供給し、各
エアースプレーガン101,102から吐出された噴霧
パターン111,112を衝突させることにより、被塗
物120上で複数色をまだら状に混ぜ合わせた塗装を行
うものである。
As shown in the side view of FIG. 4, a conventional multi-color coating may use a so-called double-headed gun 100 having a plurality of (two in the figure) air spray guns 101 and 102. Many. The double-headed gun 100 supplies a different color to each of the air spray guns 101 and 102 and collides the spray patterns 111 and 112 discharged from each of the air spray guns 101 and 102 to form a plurality of colors on the workpiece 120. The coating is performed by mixing mottling.

【0004】[0004]

【発明が解決しようとする課題】上記した双頭ガン10
0によると、各々のエアースプレーガン101,102
から吐出された複数色の噴霧パターン111,112を
衝突させているため、各噴霧パターン111,112の
方向性が均一でなく、また各噴霧パターン111,11
2も直線的となる。このため、被塗物120上に形成さ
れる塗面の粒径のばらつきが大きくなってしまい、塗面
の品質が損なわれるといった問題があった。なお、上記
双頭ガン100による塗面の粒径と粒子数との関係は、
図3の模式図に特性線Bで表される。図3において、横
軸が粒径を示し、縦軸が粒子数を示しており、特性線B
は少ない粒子数で粒径がばらついていることを表してい
る。
The double-headed gun 10 described above.
0, each air spray gun 101, 102
The spray patterns 111 and 112 of a plurality of colors ejected from the nozzles collide with each other, so that the directions of the spray patterns 111 and 112 are not uniform, and the spray patterns 111 and 112 are not uniform.
2 is also linear. For this reason, there is a problem that the variation in the particle size of the coated surface formed on the object to be coated 120 is increased, and the quality of the coated surface is impaired. The relationship between the particle size and the number of particles on the painted surface by the double-headed gun 100 is as follows.
This is represented by a characteristic line B in the schematic diagram of FIG. In FIG. 3, the horizontal axis represents the particle size, the vertical axis represents the number of particles, and the characteristic line B
Indicates that the particle size varies with a small number of particles.

【0005】本発明は上記した問題点を解決するために
なされたものであって、本発明が解決しようとする課題
は、塗面の粒径を一定化した特有の意匠をもつ混色塗装
を可能とすることにより、肌、艶、模様等が良好な塗面
品質を得ることのできる混色塗装用回転霧化装置を提供
することにある。
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a mixed-color coating having a specific design with a constant particle size of a coated surface. Accordingly, an object of the present invention is to provide a rotary atomizer for mixed-color coating, which can obtain good coating surface quality such as skin, gloss, and pattern.

【0006】[0006]

【課題を解決するための手段】前記課題を解決する請求
項1の発明は、軸回りに回転可能な回転軸と、前記回転
軸に固定された回転霧化頭とを備え、前記回転霧化頭に
複数色の塗料を各色毎に独立して供給可能でかつ被塗物
に向けて各色毎に独立して吐出可能な各色毎の塗料供給
経路を形成した混色塗装用回転霧化装置である。このよ
うに構成すると、回転軸とともに回転する回転霧化頭の
各色毎に独立した塗料供給経路を通じて、複数色の塗料
が各色毎に独立して供給されかつ被塗物に向けて吐出さ
れる。このため、各色毎の塗料が回転霧化頭の回転作用
による遠心力により円周上に均一に広がる噴霧パターン
となり、かつ回転霧化頭からの吐出後も広がり続ける噴
霧パターンとなる。これにより、被塗物上に形成される
塗面の粒径を一定化することができる。したがって、塗
面の粒径を一定化した特有の意匠をもつ混色塗装が可能
となり、肌、艶、模様等が良好な塗面品質を得ることが
できる。
According to a first aspect of the present invention, there is provided a rotary atomizer comprising: a rotary shaft rotatable around an axis; and a rotary atomizing head fixed to the rotary shaft. Rotary atomizer for mixed-color coating in which a plurality of color paints can be supplied to the head independently for each color, and a paint supply path for each color is formed, which can be independently discharged for each color toward an object to be coated. . With this configuration, a plurality of colors of paint are independently supplied for each color and discharged toward the object to be coated through a paint supply path independent for each color of the rotary atomizing head that rotates together with the rotating shaft. Therefore, the paint for each color becomes a spray pattern that spreads uniformly on the circumference due to the centrifugal force due to the rotating action of the rotary atomizing head, and also becomes a spray pattern that continues to spread after being discharged from the rotary atomizing head. Thereby, the particle size of the coating surface formed on the substrate can be made constant. Therefore, it is possible to perform a mixed color coating having a specific design in which the particle size of the coating surface is fixed, and it is possible to obtain a coating surface with good skin, gloss, and pattern.

【0007】請求項2の発明は、回転霧化頭から吐出さ
れた塗料の噴霧パターンをコントロールするエアーを吐
出可能とした請求項1記載の混色塗装用回転霧化装置で
ある。このように構成すると、回転霧化頭から吐出され
た塗料の噴霧パターンをエアーでコントロールすること
により、意匠に変化をもたせた塗面を得ることができ
る。また、塗料の噴霧パターンを環状に取り囲むように
エアーを吐出させれば、噴霧パターンの広がりを防止す
ることができる。
According to a second aspect of the present invention, there is provided the rotary atomizer for mixed color coating according to the first aspect, wherein air for controlling a spray pattern of the paint discharged from the rotary atomizing head can be discharged. With this configuration, a paint surface with a varied design can be obtained by controlling the spray pattern of the paint discharged from the rotary atomizing head with air. If the air is discharged so as to surround the spray pattern of the paint in a ring shape, the spread of the spray pattern can be prevented.

【0008】[0008]

【発明の実施の形態】一実施の形態を図面に基づいて説
明する。図1の断面図において、混色塗装用回転霧化装
置は、回転軸1と回転霧化頭20とを主体として構成さ
れている。回転軸1は、図示されないエアーモーター等
の回転駆動源によって軸回りに積極的に回転させられる
もので、内外二重軸状に設けられた内側軸13と外側軸
14とからなる。内側軸13の軸芯に形成された孔(符
号省略)には、第1色塗料供給配管2が嵌挿されてい
る。第1色塗料供給配管2には、第1色の塗料が圧縮エ
アーあるいはポンプ等によって供給される。第1色塗料
供給配管2の吐出口4は、内側軸13の軸端よりも突出
されて後述する回転霧化頭20の第1色塗料通路31に
延びている。
DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment will be described with reference to the drawings. In the cross-sectional view of FIG. 1, the rotary atomizing device for mixed color coating mainly includes a rotary shaft 1 and a rotary atomizing head 20. The rotating shaft 1 is positively rotated around its axis by a rotary driving source such as an air motor (not shown), and includes an inner shaft 13 and an outer shaft 14 provided in an inner / outer double shaft shape. The first color paint supply pipe 2 is fitted into a hole (symbol omitted) formed in the shaft core of the inner shaft 13. The first color paint is supplied to the first color paint supply pipe 2 by compressed air or a pump. The discharge port 4 of the first color paint supply pipe 2 protrudes from the shaft end of the inner shaft 13 and extends to a first color paint passage 31 of the rotary atomizing head 20 described later.

【0009】前記内側軸13と外側軸14との間の隙間
15には、第2色塗料供給配管3が嵌挿されている。第
2色塗料供給配管3には、前記第1色と異なる色の第2
色の塗料が圧縮エアーあるいはポンプ等によって供給さ
れる。第2色塗料供給配管3の吐出口5は、前記内側軸
13の軸端よりも少し突出されて後述する回転霧化頭2
0の第2色塗料通路32に延びている。前記外側軸14
の軸端部には、おねじ部14aが形成されている。な
お、おねじ部14aには後述する回転霧化頭20のめね
じ部20aがねじ付けられる。
A second color paint supply pipe 3 is inserted into a gap 15 between the inner shaft 13 and the outer shaft 14. The second color paint supply pipe 3 has a second color paint different from the first color.
Color paint is supplied by compressed air or a pump. The discharge port 5 of the second color paint supply pipe 3 is slightly protruded from the shaft end of the inner shaft 13 and has a rotary atomizing head 2 to be described later.
0 to the second color paint passage 32. The outer shaft 14
A threaded portion 14a is formed at the shaft end. The female thread 20a of the rotary atomizing head 20, which will be described later, is screwed to the male thread 14a.

【0010】回転霧化頭20は、ほぼ円錐形状の端板部
21、その端板部21に対しほぼ積み重ね状をなすほぼ
円錐筒形状の下側円錐筒部22および上側円錐筒部23
とを備えている。前記端板部21の外周縁は、下側円錐
筒部22の下端部内周縁と連設されている。前記端板部
21と下側円錐筒部22との間には、ほぼ中空円錐形状
をした第1色塗料通路31が形成されている。また、前
記端板部21と下側円錐筒部22との連設部分には、第
1色塗料吐出孔6が周方向に多数形成されている。
The rotary atomizing head 20 has a substantially conical end plate 21, a substantially conical lower conical tube 22 and an upper conical tube 23 substantially stacked on the end plate 21.
And The outer peripheral edge of the end plate portion 21 is connected to the inner peripheral edge of the lower end portion of the lower conical cylindrical portion 22. Between the end plate portion 21 and the lower conical cylindrical portion 22, a first color paint passage 31 having a substantially hollow conical shape is formed. Further, a large number of first color paint discharge holes 6 are formed in a continuous portion between the end plate portion 21 and the lower conical cylindrical portion 22 in the circumferential direction.

【0011】前記下側円錐筒部22の上部中心部には開
口孔22aが形成されている。開口孔22aには、前記
第1色塗料供給配管2の吐出口4が挿通されている。第
1色塗料供給配管2の吐出口4は、前記端板部21の頂
部と所定の距離を隔てて対向されている。下側円錐筒部
22の下端面22bは、後述する第1色噴霧パターン3
3(図2参照)を案内する所定傾斜角の斜面となってい
る。
An opening hole 22a is formed in the upper central portion of the lower conical cylindrical portion 22. The discharge port 4 of the first color paint supply pipe 2 is inserted into the opening 22a. The discharge port 4 of the first color paint supply pipe 2 is opposed to the top of the end plate 21 at a predetermined distance. A lower end surface 22b of the lower conical cylinder portion 22 has a first color spray pattern 3 described later.
3 (see FIG. 2).

【0012】前記下側円錐筒部22の中央部外周面は、
上側円錐筒部23の下端部内周縁と連設されている。前
記下側円錐筒部22と上側円錐筒部23との間には、ほ
ぼ中空円錐形状をした第2色塗料通路32が形成されて
いる。また、前記下側円錐筒部22と上側円錐筒部23
との連設部分には、第2色塗料吐出孔7が周方向に多数
形成されている。
The outer peripheral surface of the central portion of the lower conical cylindrical portion 22 is
The lower end portion of the upper conical tube portion 23 is connected to the inner peripheral edge. A substantially hollow cone-shaped second color paint passage 32 is formed between the lower conical tube portion 22 and the upper conical tube portion 23. Further, the lower conical cylinder portion 22 and the upper conical cylinder portion 23
A large number of second color paint discharge holes 7 are formed in the circumferential direction in a portion where the second color paint discharge holes 7 are connected.

【0013】前記上側円錐筒部23の上部には、ほぼ円
筒形状をなす接続筒部24が延出されている。接続筒部
24の上端部内周面に、めねじ部20aが形成されてい
る。上側円錐筒部23のめねじ部20aを前記外側軸1
4のおねじ部14aにねじ付けることによって、前記回
転軸1に回転霧化頭20が脱着交換可能に固定されてい
る。これにより、前記第2色塗料供給配管3の吐出口5
が前記下側円錐筒部22と所定の距離を隔てて対向され
ている。上側円錐筒部23の下端面23aは、後述する
第2色噴霧パターン34(図2参照)を案内する所定傾
斜角の斜面となっている。
A connection cylinder 24 having a substantially cylindrical shape extends from the upper part of the upper conical cylinder 23. An internal thread 20a is formed on the inner peripheral surface of the upper end of the connection cylinder 24. The female screw 20a of the upper conical cylinder 23 is
The rotary atomizing head 20 is detachably fixed to the rotary shaft 1 by being screwed to the four external threads 14a. Thereby, the discharge port 5 of the second color paint supply pipe 3
Are opposed to the lower conical cylinder 22 at a predetermined distance. The lower end surface 23a of the upper conical cylinder portion 23 is a slope having a predetermined inclination angle for guiding a second color spray pattern 34 (see FIG. 2) described later.

【0014】また、前記下側円錐筒部22における開口
孔22aの上縁部の頂部エッジ部22Aは、前記第2色
塗料供給配管3の吐出口5よりも上方に位置されてい
る。これにより、第1色塗料供給配管2から吐出された
第1色塗料が第2色塗料経路へ流入することや、第2色
塗料供給配管3から吐出された第2色塗料が第1色塗料
経路へ流入することを防止して、第1色塗料と第2色塗
料との色混じりを防止している。
The top edge 22A of the upper edge of the opening 22a in the lower conical cylinder 22 is located above the discharge port 5 of the second color paint supply pipe 3. As a result, the first color paint discharged from the first color paint supply pipe 2 flows into the second color paint path, and the second color paint discharged from the second color paint supply pipe 3 becomes the first color paint. The mixture of the first color paint and the second color paint is prevented by flowing into the route.

【0015】前記回転軸1の周囲には、ほぼ円筒形状の
エアー室10がほぼ同一軸線をなして固定状態で配設さ
れている。エアー室10の底板(符号省略)には、前記
上側円錐筒部23の外周縁上方に位置するエアー吐出口
11が周方向に多数形成されている。前記エアー室10
内には、図示しないエアーコンプレッサにより圧縮エア
ーが送入される。なお、エアー室10のエアー吐出口1
1からは、塗料の噴霧パターンをコントロールするため
のエアーが吐出される。
A substantially cylindrical air chamber 10 is provided around the rotary shaft 1 in a fixed state with substantially the same axis. A large number of air outlets 11 are formed in the bottom plate (symbols omitted) of the air chamber 10 in the circumferential direction above the outer peripheral edge of the upper conical tube portion 23. The air chamber 10
Inside, compressed air is sent in by an air compressor (not shown). The air discharge port 1 of the air chamber 10
From 1, air for controlling the spray pattern of the paint is discharged.

【0016】次に、使用状態を断面図で示した図2を参
照して、混色塗装用回転霧化装置により混色塗装する場
合について説明する。回転駆動源により積極回転される
回転軸1とともに回転霧化頭20が回転させられる。第
1色塗料供給配管2からは、第1色塗料が供給され、第
1色塗料通路31に吐出される。第1色塗料通路31に
吐出された第1色塗料は、回転霧化頭20の回転作用に
よる遠心力により、多数の第1色塗料吐出孔6から円周
上に均一に広がるほぼ円錐筒形状の第1色噴霧パターン
33をもって被塗物36に向けて吐出される。このと
き、第1色噴霧パターン33は、第1色塗料吐出孔6か
ら吐出した直後に下側円錐筒部22の下端面22bによ
って下向きに案内される(図2中、矢印参照)。なお、
第1色塗料供給配管2と第1色塗料通路31とにより、
本発明でいう塗料供給経路が構成されている。
Next, referring to FIG. 2, which is a sectional view showing the state of use, a case of performing a multi-color coating by a rotary-mixing device for color mixing will be described. The rotary atomizing head 20 is rotated together with the rotary shaft 1 positively rotated by the rotary drive source. The first color paint is supplied from the first color paint supply pipe 2 and discharged to the first color paint passage 31. The first color paint discharged into the first color paint passage 31 has a substantially conical cylindrical shape which spreads uniformly around the circumference from a large number of first color paint discharge holes 6 by centrifugal force due to the rotating action of the rotary atomizing head 20. Is discharged toward the object 36 with the first color spray pattern 33. At this time, the first color spray pattern 33 is guided downward by the lower end surface 22b of the lower conical cylindrical portion 22 immediately after being discharged from the first color paint discharge hole 6 (see the arrow in FIG. 2). In addition,
By the first color paint supply pipe 2 and the first color paint passage 31,
The paint supply path according to the present invention is configured.

【0017】また、第2色塗料供給配管3からは、第2
色塗料が供給され、第2色塗料通路32に吐出される。
第2色塗料通路32に吐出された第2色塗料は、回転霧
化頭20の回転作用による遠心力により、多数の第2色
塗料吐出孔7から円周上に均一に広がるほぼ円錐筒形状
の第2色噴霧パターン34をもって被塗物36に向けて
吐出される。このとき、第2色噴霧パターン34は、第
2色塗料吐出孔7から吐出した直後に上側円錐筒部23
の下端面23aによって下向きに案内される(図2中、
矢印参照)。なお、第2色塗料供給配管3と第2色塗料
通路32とにより、本発明でいう塗料供給経路が構成さ
れている。
Also, the second color paint supply pipe 3
The color paint is supplied and discharged to the second color paint passage 32.
The second color paint discharged into the second color paint passage 32 has a substantially conical cylindrical shape that spreads uniformly around the circumference from a number of second color paint discharge holes 7 due to the centrifugal force generated by the rotating action of the rotary atomizing head 20. Is discharged toward the object 36 with the second color spray pattern 34. At this time, the second color spray pattern 34 is formed immediately after the second color spray pattern 34 is discharged from the second color paint discharge hole 7.
2 is guided downward by the lower end surface 23a of FIG.
Arrow)). The second color paint supply pipe 3 and the second color paint passage 32 constitute a paint supply path in the present invention.

【0018】また、エアー室10内にエアーコンプレッ
サ等により送入されたエアーは、多数のエアー吐出口1
1から円周上に均一に広がるほぼ円筒形状のエアー吐出
パターン37(図2に矢印で示す。)をもって被塗物3
6に向けて吐出される。エアー吐出パターン37によっ
て、第2色噴霧パターン34および第1色噴霧パターン
33が被塗物36に向けて押しつけられる。そして、第
1色噴霧パターン33と第2色噴霧パターン34とが重
なる部分で、第1色第2色混合パターン35が形成され
かつ被塗物36に塗装される。
The air sent into the air chamber 10 by an air compressor or the like is supplied to a large number of air discharge ports 1.
The substrate 3 has a substantially cylindrical air discharge pattern 37 (indicated by an arrow in FIG. 2) which spreads uniformly from 1 on the circumference.
6 is discharged. The second color spray pattern 34 and the first color spray pattern 33 are pressed against the object 36 by the air discharge pattern 37. Then, in the portion where the first color spray pattern 33 and the second color spray pattern 34 overlap, the first color / second color mixed pattern 35 is formed and applied to the object 36.

【0019】上記した混色塗装用回転霧化装置による
と、回転軸1とともに回転する回転霧化頭20の各色毎
に独立した塗料供給経路を通じて、複数色(本実施の形
態の場合、2色)の塗料が各色毎に独立して供給されか
つ被塗物36に向けて吐出される。このため、各色毎の
塗料が回転霧化頭20の回転作用による遠心力により円
周上に均一に広がる噴霧パターン33,34となり、か
つ回転霧化頭20からの吐出後も広がり続ける噴霧パタ
ーン33,34となる。これにより、被塗物36上に形
成される塗面の粒径を一定化することができる。したが
って、塗面の粒径を一定化した特有の意匠をもつ混色塗
装が可能となり、肌、艶、模様等が良好な塗面品質を得
ることができる。
According to the above-described rotary atomizing apparatus for multi-color coating, a plurality of colors (two colors in the present embodiment) are supplied to the rotary atomizing head 20 rotating with the rotary shaft 1 through independent paint supply paths for each color. Is supplied independently for each color and discharged toward the object 36 to be coated. For this reason, the spray pattern 33, 34 in which the paint for each color spreads uniformly around the circumference due to the centrifugal force due to the rotating action of the rotary atomizing head 20, and continues to spread even after the discharge from the rotary atomizing head 20. , 34. Thereby, the particle size of the coating surface formed on the object 36 can be made constant. Therefore, it is possible to perform a mixed color coating having a specific design in which the particle size of the coating surface is fixed, and it is possible to obtain a coating surface with good skin, gloss, and pattern.

【0020】なお、上記混色塗装用回転霧化装置による
塗面の粒径と粒子数との関係は、前記図3に特性線Aで
表される。図3において、従来の双頭ガン(図4参照)
による特性線Bと比べて、特性線Aは多い粒子数で粒径
が一定化していることを表している。
The relationship between the particle size and the number of particles on the coating surface by the above-described rotary atomizer for mixed color coating is represented by the characteristic line A in FIG. In FIG. 3, a conventional double-headed gun (see FIG. 4)
The characteristic line A indicates that the particle size is constant with a large number of particles, as compared with the characteristic line B according to FIG.

【0021】また、回転霧化頭20から吐出された塗料
の噴霧パターン33,34をエアー(エアー吐出パター
ン37参照)でコントロールすることにより、意匠に変
化をもたせた塗面を得ることができる。また、塗料の噴
霧パターン33,34を取り囲むようにエアーを吐出さ
せたことにより、噴霧パターン33,34の広がりをコ
ントロールすることもできる。
Further, by controlling the spray patterns 33 and 34 of the paint discharged from the rotary atomizing head 20 with air (see the air discharge pattern 37), it is possible to obtain a painted surface having a design change. Further, by discharging the air so as to surround the spray patterns 33 and 34 of the paint, the spread of the spray patterns 33 and 34 can be controlled.

【0022】本発明は前記実施の形態に限定されるもの
ではなく、本発明の要旨を逸脱しない範囲における変更
が可能である。例えば、噴霧パターン33,34の指向
性が高い場合等にはエアーの吐出を省略することも可能
である。また、前記エアーの吐出形態は適宜選定するこ
とが可能である。また、本発明は3色以上の塗料の混色
塗装にも応用することができる。
The present invention is not limited to the above embodiment, but can be modified without departing from the scope of the present invention. For example, when the directivity of the spray patterns 33 and 34 is high, the ejection of air can be omitted. Further, the form of discharging the air can be appropriately selected. In addition, the present invention can be applied to a mixed color coating of paints of three or more colors.

【0023】[0023]

【発明の効果】本発明の混色塗装用回転霧化装置によれ
ば、塗面の粒径を一定化した特有の意匠をもつ混色塗装
が可能となり、肌、艶、模様等が良好な塗面品質を得る
ことができる。
According to the rotary atomizer for mixed color coating of the present invention, it is possible to perform mixed color coating with a specific design in which the particle size of the coated surface is constant, and the coated surface with good skin, gloss, pattern, etc. Quality can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図1】一実施の形態に係る混色塗装用回転霧化装置を
示す断面図である。
FIG. 1 is a cross-sectional view illustrating a rotary atomizer for color mixing coating according to an embodiment.

【図2】混色塗装用回転霧化装置の使用状態を示す断面
図である。
FIG. 2 is a cross-sectional view illustrating a use state of the rotary atomizer for mixed-color coating.

【図3】塗面の粒径と粒子数との関係を示す模式図であ
る。
FIG. 3 is a schematic diagram showing the relationship between the particle size of a coated surface and the number of particles.

【図4】従来例に係る双頭ガンの側面図である。FIG. 4 is a side view of a conventional double-headed gun.

【符号の説明】[Explanation of symbols]

1 回転軸 20 回転霧化頭 33 第1色噴霧パターン 34 第2色噴霧パターン 36 被塗物 37 エアー吐出パターン DESCRIPTION OF REFERENCE NUMERALS 1 rotary shaft 20 rotary atomizing head 33 first color spray pattern 34 second color spray pattern 36 substrate 37 air discharge pattern

フロントページの続き Fターム(参考) 4D075 AA10 AA15 AA23 AA71 CB16 DB02 DC12 4F034 AA04 BA23 BA26 BB04 BB07 4F035 AA03 BA11 BC06 Continued on the front page F term (reference) 4D075 AA10 AA15 AA23 AA71 CB16 DB02 DC12 4F034 AA04 BA23 BA26 BB04 BB07 4F035 AA03 BA11 BC06

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 軸回りに回転可能な回転軸と、前記回転
軸に固定された回転霧化頭とを備え、前記回転霧化頭に
複数色の塗料を各色毎に独立して供給可能でかつ被塗物
に向けて各色毎に独立して吐出可能な各色毎の塗料供給
経路を形成した混色塗装用回転霧化装置。
1. A rotary shaft rotatable around an axis, and a rotary atomizing head fixed to the rotary shaft, wherein a plurality of colors of paint can be supplied to the rotary atomizing head independently for each color. A rotary atomizer for mixed-color coating, in which a paint supply path for each color that can be discharged independently for each color toward an object to be coated is formed.
【請求項2】 回転霧化頭から吐出された塗料の噴霧パ
ターンをコントロールするエアーを吐出可能とした請求
項1記載の混色塗装用回転霧化装置。
2. The rotary atomizer according to claim 1, wherein air for controlling a spray pattern of the paint discharged from the rotary atomizing head can be discharged.
JP11006806A 1999-01-13 1999-01-13 Rotary atomizer for coating mixed color Pending JP2000202329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11006806A JP2000202329A (en) 1999-01-13 1999-01-13 Rotary atomizer for coating mixed color

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11006806A JP2000202329A (en) 1999-01-13 1999-01-13 Rotary atomizer for coating mixed color

Publications (1)

Publication Number Publication Date
JP2000202329A true JP2000202329A (en) 2000-07-25

Family

ID=11648445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11006806A Pending JP2000202329A (en) 1999-01-13 1999-01-13 Rotary atomizer for coating mixed color

Country Status (1)

Country Link
JP (1) JP2000202329A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002301405A (en) * 2001-04-04 2002-10-15 Asahi Sunac Corp Multicolor sputtering apparatus
JP2012152700A (en) * 2011-01-27 2012-08-16 Honda Motor Co Ltd Rotary atomization coating device
JP2020199447A (en) * 2019-06-07 2020-12-17 トヨタ車体株式会社 Bell type coating device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002301405A (en) * 2001-04-04 2002-10-15 Asahi Sunac Corp Multicolor sputtering apparatus
JP2012152700A (en) * 2011-01-27 2012-08-16 Honda Motor Co Ltd Rotary atomization coating device
JP2020199447A (en) * 2019-06-07 2020-12-17 トヨタ車体株式会社 Bell type coating device
JP7188845B2 (en) 2019-06-07 2022-12-13 トヨタ車体株式会社 Bell type coating equipment

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