JP3048414B2 - Prevention device for brush for primer coating - Google Patents

Prevention device for brush for primer coating

Info

Publication number
JP3048414B2
JP3048414B2 JP3147087A JP14708791A JP3048414B2 JP 3048414 B2 JP3048414 B2 JP 3048414B2 JP 3147087 A JP3147087 A JP 3147087A JP 14708791 A JP14708791 A JP 14708791A JP 3048414 B2 JP3048414 B2 JP 3048414B2
Authority
JP
Japan
Prior art keywords
organic solvent
brush
sticking
tank
storage container
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 - Fee Related
Application number
JP3147087A
Other languages
Japanese (ja)
Other versions
JPH04371261A (en
Inventor
秀樹 有田
順司 矢野
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.)
Daihatsu Motor Co Ltd
Yokohama Rubber Co Ltd
Original Assignee
Daihatsu Motor Co Ltd
Yokohama Rubber Co Ltd
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 Daihatsu Motor Co Ltd, Yokohama Rubber Co Ltd filed Critical Daihatsu Motor Co Ltd
Priority to JP3147087A priority Critical patent/JP3048414B2/en
Publication of JPH04371261A publication Critical patent/JPH04371261A/en
Application granted granted Critical
Publication of JP3048414B2 publication Critical patent/JP3048414B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

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

【0001】[0001]

【産業上の利用分野】本発明はプライマーを自動車のウ
インドガラスなどに塗布するためのプライマー塗布用刷
毛の固着防止装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing adhesion of a primer coating brush for applying a primer to a window glass of an automobile.

【0002】[0002]

【従来の技術】自動車のウインドガラスの車体への取付
けは、一液型ウレタン系接着剤を使用したダイレクト・
グレージング工法によって貼着するのが一般的である。
そして、その際には接着剤の接着性を向上させるため
に、接着剤を塗布する部位にプライマーが塗布される。
2. Description of the Related Art A window glass of an automobile is attached to a vehicle body by using a one-component urethane adhesive.
It is common to stick by a glazing method.
In this case, a primer is applied to a portion to which the adhesive is applied in order to improve the adhesiveness of the adhesive.

【0003】プライマー塗布用刷毛は、塗布作業をしな
いときは固着を防止するために、メチルエチルケトンな
どの有機溶剤の蒸気雰囲気中で保管される。図2に示し
たものは従来より使用されている固着防止装置であり、
刷毛収納容器1およびそれに隣接する有機溶剤だまり2
を有する固着防止槽3および固着防止槽3を外部から密
閉するシャッター4からなり、固着防止槽3内部におい
て有機溶剤の蒸気が刷毛収納容器1内に供給されるよう
に刷毛収納容器1と有機溶剤だまり2の気相とが互いに
連通している。
[0003] The brush for applying a primer is stored in a vapor atmosphere of an organic solvent such as methyl ethyl ketone in order to prevent sticking when the coating operation is not performed. FIG. 2 shows a conventional anti-sticking device,
Brush storage container 1 and organic solvent pool 2 adjacent thereto
A brush storage container 1 and an organic solvent so that vapor of the organic solvent is supplied into the brush storage container 1 inside the adhesion prevention tank 3. The gas phase of the ball 2 communicates with each other.

【0004】[0004]

【発明が解決しようとする課題】プライマー塗布作業を
行おうとする際には、固着防止槽のシャッターを開けて
塗布用ガンを取り出さなければならない。そのため、槽
内の有機溶剤の蒸気が、大気中へ逃げてしまう。そのた
め、前記従来の保管装置においては、塗布作業終了後、
塗布ガンを戻し、シャッターを閉めた時点では、まだ有
機溶剤の蒸気が刷毛収納容器1内に充満しておらず、固
着防止が充分にできず、刷毛へのプライマー固着が15〜
20分程度で完了してしまい、刷毛が使用不能となる。そ
のため、刷毛の交換を頻繁に行わなければならず、充分
な管理が必要となり、ライン稼動停止、再塗布など、作
業者への負担が大きく、プライマーの塗布不充分による
品質の低下の原因となっていた。また、刷毛交換頻度が
多いため、コスト・アップという欠点もあった。本発明
は前記従来の方法の欠点を克服して、シャッターを閉め
たのちの有機溶剤雰囲気形成速度が速く、プライマー塗
布用刷毛の固着をより充分に防止しうる装置を提供する
ことを目的とする。
When performing a primer coating operation, the shutter of the anti-sticking tank must be opened and the coating gun must be taken out. Therefore, the vapor of the organic solvent in the tank escapes to the atmosphere. Therefore, in the conventional storage device, after the application work,
When the application gun is returned and the shutter is closed, the vapor of the organic solvent has not yet filled the interior of the brush storage container 1 and the adhesion of the primer to the brush cannot be sufficiently prevented.
It is completed in about 20 minutes and the brush becomes unusable. For this reason, the brush must be replaced frequently, and sufficient management is required, which places a heavy burden on workers, such as line operation stoppage and re-coating, and causes poor quality due to insufficient primer coating. I was Further, there is also a disadvantage that the cost is increased due to the frequent replacement of the brush. An object of the present invention is to provide an apparatus which overcomes the drawbacks of the above conventional method, has a high organic solvent atmosphere formation rate after closing a shutter, and can more sufficiently prevent sticking of a primer coating brush. .

【0005】[0005]

【課題を解決するための手段】本発明は刷毛収納容器お
よびそれに隣接する有機溶剤だまりを有する固着防止
槽、固着防止槽を外部から密閉するシャッターおよび有
機溶剤だまりの液相に圧縮不活性ガスを噴出させるため
に接続されたガス流路からなり、固着防止槽内部におい
て有機溶剤の蒸気が刷毛収納容器内に供給されるように
刷毛収納容器と有機溶剤だまりの気相とが互いに連通し
ている装置であって、圧縮不活性ガスの噴出によって有
機溶剤の蒸発を促進させるプライマー塗布用刷毛の固着
防止装置に関する。
SUMMARY OF THE INVENTION The present invention provides a brush storage container and an anti-sticking tank having an organic solvent pool adjacent thereto, a shutter for sealing the anti-sticking tank from the outside, and a compressed inert gas in the liquid phase of the organic solvent pool. The brush storage container and the gas phase of the organic solvent pool communicate with each other so that the brush storage container is formed of a gas flow path connected for jetting, and the organic solvent vapor is supplied into the brush storage container inside the anti-sticking tank. The present invention relates to a device for preventing sticking of a primer coating brush, which promotes evaporation of an organic solvent by ejection of a compressed inert gas.

【0006】[0006]

【作用】本発明により、固着防止槽内の有機溶剤だまり
からの有機溶剤の蒸発が必要に応じて促進され、それに
よってシャッター閉止後の有機溶剤蒸気濃度の立上がり
が速められる。
According to the present invention, the evaporation of the organic solvent from the pool of organic solvent in the anti-sticking tank is promoted as required, thereby speeding up the rise of the organic solvent vapor concentration after the shutter is closed.

【0007】[0007]

【実施例】以下に本発明の実施例を図面を参照しながら
説明する。図1は本発明のプライマー塗布用刷毛の固着
防止装置の一実施例の構成を説明する説明図である。図
1に示された実施例においては、固着防止槽3内におい
て、有機溶剤だまり2が刷毛収納容器1に連絡するよう
にその周囲に配置されている。有機溶剤だまり2内には
たとえばメチルエチルケトンなどの液体有機溶剤が入っ
ており、この液相はその途中にバルブ13を有する液体通
路12によって有機溶剤の入った有機溶剤タンク11に接続
されている。さらにこの液相と連絡するようにその途中
にバルブ9を有するガス流路8が設けられている。この
ガス流路8はたとえば窒素ガスなどの圧縮不活性ガスを
封入したガスボンベ(図示せず)に接続されている。ガ
ス流路8のバルブ9を開くことにより圧縮不活性ガス
が、有機溶剤だまり2内の有機溶剤の液相に送りこまれ
る。ガス流路8としては、たとえば内径1mm程度のテフ
ロン・チューブなどを用いることができる。プライマー
塗布作業を行うとき、および終えたのち、プライマー塗
布用刷毛5を刷毛収納容器1から出し入れするためにエ
アーシリンダー6を用いてシャッター4を開閉する。こ
のとき、固着防止槽3の外部に対する密閉がくずれ、槽
内部の有機溶剤の蒸気が大気中に逃げてしまう。これに
より槽内の有機溶剤の蒸気が稀薄になるが、プライマー
塗布用刷毛5を刷毛収納容器1に収容したあと、シャッ
ター4が閉じられた状態(固着防止槽3が外部に対して
密閉された状態)でバルブ9を開いて有機溶剤の液相内
で一定時間、不活性ガスをバブリングすることにより液
体有機溶剤の蒸発を促進させて槽内の有機溶剤の蒸気の
雰囲気の生成を促進し、刷毛の固着を防止する。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view for explaining the configuration of an embodiment of the apparatus for preventing adhesion of a brush for applying a primer according to the present invention. In the embodiment shown in FIG. 1, the organic solvent pool 2 is disposed around the brush storage container 1 so as to communicate with the brush storage container 1 in the anti-sticking tank 3. The organic solvent reservoir 2 contains a liquid organic solvent such as methyl ethyl ketone, and this liquid phase is connected to an organic solvent tank 11 containing the organic solvent by a liquid passage 12 having a valve 13 in the middle. Further, a gas flow path 8 having a valve 9 is provided on the way to communicate with the liquid phase. The gas passage 8 is connected to a gas cylinder (not shown) in which a compressed inert gas such as nitrogen gas is sealed. By opening the valve 9 of the gas flow path 8, the compressed inert gas is sent to the liquid phase of the organic solvent in the organic solvent pool 2. As the gas flow path 8, for example, a Teflon tube having an inner diameter of about 1 mm can be used. The shutter 4 is opened and closed by using the air cylinder 6 in order to put the primer coating brush 5 in and out of the brush storage container 1 when and after the primer coating operation is performed. At this time, the seal against the outside of the sticking prevention tank 3 is broken, and the vapor of the organic solvent inside the tank escapes to the atmosphere. As a result, the vapor of the organic solvent in the tank is diluted. However, after the primer coating brush 5 is stored in the brush storage container 1, the shutter 4 is closed (the anti-sticking tank 3 is sealed from the outside). In state (2), the valve 9 is opened, and the inert gas is bubbled in the liquid phase of the organic solvent for a certain period of time to promote the evaporation of the liquid organic solvent and promote the generation of the atmosphere of the vapor of the organic solvent in the tank. Prevents the brush from sticking.

【0008】前記バブリングは前述したように刷毛収納
容器1内に刷毛5を収納してシャッター4を閉じたあと
の一定時間のみに行ってもよいが、加えて、収納容器1
から刷毛5を取り出してシャッター4を閉じたあとの一
定時間にも行ってもよい。さらには、シャッター4が閉
まっているときは常時バブリングを行ってもよい。ま
た、このようなシャッターの開閉は手動で行ってもよい
が、ロボット制御手段とプライマー圧送装置制御手段
(ともに図示せず)とを組み合わせることによりシャッ
ター4の開閉と連動させて自動的に行うのがよい。
The bubbling may be performed only for a certain time after the brush 5 is stored in the brush storage container 1 and the shutter 4 is closed as described above.
The brush 5 may be taken out from the apparatus and the shutter 4 may be closed for a certain period of time after the shutter 4 is closed. Further, bubbling may be always performed when the shutter 4 is closed. Although the opening and closing of such a shutter may be performed manually, it is automatically performed in conjunction with the opening and closing of the shutter 4 by combining a robot controller and a primer pumping device controller (both not shown). Is good.

【0009】前記バブリングに使用する気体として、窒
素ガスなどの圧縮不活性ガスや乾燥エアーなどが使用さ
れるが、プライマーの固着、硬化は微量の水分によって
起こるため、水分率のとくに少ない圧縮不活性ガスを用
いるのが好ましい。このような方法により、48時間以上
のあいだ刷毛の固着を防止する効果がある。
As the gas used for the bubbling, a compressed inert gas such as nitrogen gas or dry air is used. However, since the fixation and curing of the primer are caused by a very small amount of water, the compressed inert gas having a particularly low moisture content is used. Preferably, a gas is used. This method has the effect of preventing the brush from sticking for more than 48 hours.

【0010】前記バブリングに使用する気体は25〜40℃
に加熱してもよく、そのばあいには、有機溶剤の蒸発速
度があがり、刷毛の固着がよりいっそう防止され、刷毛
交換頻度がさらに少なくなる、などの効果がある。
The gas used for bubbling is 25 to 40 ° C.
In such a case, the evaporation rate of the organic solvent is increased, the effect of further preventing the sticking of the brush and the frequency of replacing the brush is further reduced.

【0011】前記バブリングのための気体の噴出口は、
本発明においてとくに限定されないが、その直径が1〜
2mm、その数が1〜2個であるのが好ましい。また、圧
縮不活性ガスの圧力は0.1 〜2.0 kg/cm2 程度がよく、
2.0 kg/cm2 程度以上であると不活性ガスの流れが速く
なり逆に刷毛の固着を促進するおそれがある。また、個
別ノズルを使用する代わりに多孔管を使用してもよい。
The gas ejection port for bubbling is as follows:
Although not particularly limited in the present invention, the diameter is 1 to
2 mm, preferably 1 to 2 pieces. Also, the pressure of the compressed inert gas is preferably about 0.1 to 2.0 kg / cm 2 ,
If it is about 2.0 kg / cm 2 or more, the flow of the inert gas becomes faster, and conversely, there is a possibility that the fixation of the brush is promoted. Also, instead of using individual nozzles, a perforated tube may be used.

【0012】また、固着防止槽3内部の圧力が上昇する
と有機溶剤の蒸発が抑制され、刷毛固着防止効果が弱く
なる。このことを防止するためにはベントを設けて内圧
の上昇を防ぐのがよいが、そのばあい、有機溶剤の分子
量は窒素の分子量よりも大きいので有機溶剤蒸気の損失
を最小限にするためにベントは固着防止槽3の頂部など
に設けるのがよい。
When the pressure inside the anti-sticking tank 3 rises, the evaporation of the organic solvent is suppressed, and the effect of preventing the brush from sticking is weakened. In order to prevent this, it is better to provide a vent to prevent the internal pressure from rising, but in this case, the molecular weight of the organic solvent is larger than the molecular weight of nitrogen. The vent is preferably provided at the top of the anti-sticking tank 3 or the like.

【0013】[0013]

【発明の効果】本発明により有機溶剤蒸気の雰囲気の生
成が促進されるので、プライマー塗布用刷毛の固着の防
止効果が大幅に向上する。
According to the present invention, since the generation of an atmosphere of an organic solvent vapor is promoted, the effect of preventing the brush for applying the primer from sticking is greatly improved.

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

【図1】本発明のプライマー塗布用刷毛の固着防止装置
の一実施例の構成を説明する説明図である。
FIG. 1 is an explanatory view illustrating a configuration of an embodiment of a device for preventing adhesion of a brush for applying a primer according to the present invention.

【図2】従来の装置の構成を説明する説明図である。FIG. 2 is an explanatory diagram illustrating a configuration of a conventional device.

【符号の説明】[Explanation of symbols]

1 刷毛収納容器 2 有機溶剤だまり 3 固着防止槽 4 シャッター 7 噴出ガス 8 ガス流路 DESCRIPTION OF SYMBOLS 1 Brush storage container 2 Organic solvent pool 3 Sticking prevention tank 4 Shutter 7 Emitted gas 8 Gas flow path

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−187967(JP,A) 特開 昭58−79567(JP,A) 特開 昭58−64163(JP,A) 実開 昭61−33672(JP,U) 実公 昭44−19358(JP,Y1) (58)調査した分野(Int.Cl.7,DB名) B05C 17/00 B05C 11/00 B05C 5/00 B05B 15/02 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-187967 (JP, A) JP-A-58-79567 (JP, A) JP-A-58-64163 (JP, A) 33672 (JP, U) Jikken 44-19358 (JP, Y1) (58) Fields investigated (Int. Cl. 7 , DB name) B05C 17/00 B05C 11/00 B05C 5/00 B05B 15/02

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 刷毛収納容器およびそれに隣接する有機
溶剤だまりを有する固着防止槽、固着防止槽を外部から
密閉するシャッターおよび有機溶剤だまりの液相に圧縮
不活性ガスを噴出させるために接続されたガス流路から
なり、固着防止槽内部において有機溶剤の蒸気が刷毛収
納容器内に供給されるように刷毛収納容器と有機溶剤だ
まりの気相とが互いに連通している装置であって、圧縮
不活性ガスの噴出によって有機溶剤の蒸発を促進させる
よう構成されてなることを特徴とするプライマー塗布用
刷毛の固着防止装置。
An anti-sticking tank having a brush storage container and an organic solvent pool adjacent thereto, a shutter for sealing the anti-stick tank from the outside, and connected to eject a compressed inert gas into a liquid phase of the organic solvent pool. A device comprising a gas flow passage, wherein the brush storage container and the vapor phase of the organic solvent pool communicate with each other so that vapor of the organic solvent is supplied into the brush storage container inside the anti-sticking tank, An apparatus for preventing sticking of a brush for applying a primer, characterized in that evaporation of an organic solvent is promoted by ejection of an active gas.
JP3147087A 1991-06-19 1991-06-19 Prevention device for brush for primer coating Expired - Fee Related JP3048414B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3147087A JP3048414B2 (en) 1991-06-19 1991-06-19 Prevention device for brush for primer coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3147087A JP3048414B2 (en) 1991-06-19 1991-06-19 Prevention device for brush for primer coating

Publications (2)

Publication Number Publication Date
JPH04371261A JPH04371261A (en) 1992-12-24
JP3048414B2 true JP3048414B2 (en) 2000-06-05

Family

ID=15422177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3147087A Expired - Fee Related JP3048414B2 (en) 1991-06-19 1991-06-19 Prevention device for brush for primer coating

Country Status (1)

Country Link
JP (1) JP3048414B2 (en)

Also Published As

Publication number Publication date
JPH04371261A (en) 1992-12-24

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