JPH098445A - Flux coating device - Google Patents

Flux coating device

Info

Publication number
JPH098445A
JPH098445A JP14754795A JP14754795A JPH098445A JP H098445 A JPH098445 A JP H098445A JP 14754795 A JP14754795 A JP 14754795A JP 14754795 A JP14754795 A JP 14754795A JP H098445 A JPH098445 A JP H098445A
Authority
JP
Japan
Prior art keywords
flux
wiring board
electrodes
nozzle
printed wiring
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
Application number
JP14754795A
Other languages
Japanese (ja)
Other versions
JP2656757B2 (en
Inventor
Tadanori Ishikura
忠典 石倉
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.)
NEC Gunma Ltd
Original Assignee
NEC Gunma 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 NEC Gunma Ltd filed Critical NEC Gunma Ltd
Priority to JP7147547A priority Critical patent/JP2656757B2/en
Publication of JPH098445A publication Critical patent/JPH098445A/en
Application granted granted Critical
Publication of JP2656757B2 publication Critical patent/JP2656757B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistors
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
    • H05K3/34Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3489Composition of fluxes; Application thereof; Other processes of activating the contact surfaces

Landscapes

  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

PURPOSE: To apply a flux of a necessary amount only on necessary places on a printed-wiring board at the time of a soldering of a component to the board. CONSTITUTION: A flux coating device is provided with a jet nozzle 5 for making a flux 2 jet into a granular shape, electrifying electrodes 4 for electrifying the granular flux 2 jetted from this nozzle 5 and defecting electrodes 3a and 3b, which deflect the flux 2 electrified by applying a voltage between the opposed electrodes in a prescribed direction. The flux 2 jetted from the nozzle 5 is electrified by the electrodes 4, the flux 2 is deflected by an electrostatic field, which is generated by the electrodes 3a and 3b, to conduct the control of the direction of the flux and the flux 2 can be applied on necessary places on a printed-wiring board 1. Moreover, the applying time of the flux is also controllable simultaneously with the application of the flux on prescribed places on the board 1. Thereby, a reduction in the amount of the flux used, a reduction in a defective soldering to through holes and adhesion of the flux to a component, which is mounted on the board 1, can be avoided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はフラックス塗布装置に関
し、特に、プリント配線基板の所定の箇所にフラックス
を塗布するフラックス塗布装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flux applying apparatus, and more particularly to a flux applying apparatus for applying a flux to a predetermined portion of a printed wiring board.

【0002】[0002]

【従来の技術】一般にプリント配線基板上に配置する実
装部品等を半田付けする場合、半田付けの前工程として
取り付ける箇所にフラックスの塗布を行うが、量産機種
等に搭載されるプリント配線基板においては、フラック
スの塗布作業を能率よく行うためにフラックス塗布装置
が用いられている。
2. Description of the Related Art In general, when soldering mounted components or the like arranged on a printed wiring board, a flux is applied to a portion to be attached as a pre-process of soldering. However, in a printed wiring board mounted on a mass-produced model, etc. A flux coating device is used to efficiently perform a flux coating operation.

【0003】従来、この種のフラックス塗布装置は、図
2に示すように、フラックスを入れるフラックスタンク
6aと、フラックスタンク6内に設られた発泡管9とで
構成される発泡式フラックス塗布装置と、図3に示すよ
うに、フラックスタンク6bとスプレーノズル7とで構
成されるスプレー式フラックス塗布装置とがある。
Conventionally, as shown in FIG. 2, this type of flux coating apparatus includes a foaming type flux coating apparatus including a flux tank 6a for storing a flux and a foaming tube 9 provided in the flux tank 6. As shown in FIG. 3, there is a spray-type flux coating device including a flux tank 6b and a spray nozzle 7.

【0004】図2に示す発泡式フラックス塗布装置は、
フラックス2を入れたフラックスタンク6a内に発泡管
9が配設されている。発泡管9は管の周囲に無数の小さ
な穴を設けたものであって、この発泡管9にポンプ(図
示せず)で空気を圧送することによりフラックスタンク
6a内のフラックス2aを発泡させる。これにより、発
泡したフラックス2aは飛沫となって飛散し、近傍に配
置したプリント配線基板1上に塗布することができる。
[0004] The foaming type flux coating apparatus shown in FIG.
A foam tube 9 is provided in a flux tank 6a containing the flux 2. The foam tube 9 is provided with innumerable small holes around the tube, and air is pumped to the foam tube 9 by a pump (not shown) to foam the flux 2a in the flux tank 6a. As a result, the foamed flux 2a is scattered as droplets, and can be applied to the printed wiring board 1 disposed in the vicinity.

【0005】一方、図3に示すスプレー式フラックス塗
布装置は、いわゆるスプレーガンによる塗布方式であっ
て、フラックスタンク6bから供給されるフラックス2
bをスプレーノズル7により粒状に噴出させ、プリント
配線基板1上に吹きつけることにより塗布するものであ
る。また、その際に飛散したフラックス2bはプリント
配線基板1の後方に設けたフード8に吸い込まれて回収
される。
[0005] On the other hand, the spray type flux coating device shown in FIG. 3 is a coating method using a so-called spray gun, and a flux 2 supplied from a flux tank 6b.
b is ejected in a granular form by a spray nozzle 7 and sprayed onto the printed wiring board 1 to apply the composition. Further, the flux 2b scattered at that time is sucked and collected by the hood 8 provided behind the printed wiring board 1.

【0006】[0006]

【発明が解決しようとする課題】上述した従来のフラッ
クス塗布装置では、前者の場合、プリント配線基板の全
面に塗布されるため半田付けには不必要な部分にまでも
塗布されるため、フラックスが無駄に消費される。ま
た、プリント配線基板の電気検査の際の試験用端子にも
フラックスが付着するため、半田付け後にプリント配線
基板を洗浄しない場合には、コネクタ等の端子部に導通
不良が発生するということがあった。
In the above-mentioned conventional flux coating apparatus, in the former case, the flux is applied to the entire surface of the printed wiring board, so that it is also applied to portions unnecessary for soldering. It is wasted. In addition, since the flux also adheres to the test terminals at the time of electrical inspection of the printed wiring board, if the printed wiring board is not cleaned after soldering, a conduction failure may occur in the terminals of the connector and the like. Was.

【0007】一方、後者の場合は、プリント配線基板の
スルーホール内に粒状のフラックスが塗布されにくく、
半田付不良が発生しやすくなる。また、不必要な粒状の
フラックスがプリント配線基板周囲に飛散するため、前
者と同様に、フラックスが端子部に付着して接触不良に
なり易いという欠点があった。
On the other hand, in the latter case, it is difficult to apply a granular flux in the through holes of the printed wiring board.
Soldering defects are likely to occur. In addition, since unnecessary granular flux is scattered around the printed wiring board, there is a defect that the flux is easily attached to the terminal portion to cause a contact failure similarly to the former.

【0008】[0008]

【課題を解決するための手段】本発明は、プリント配線
基板上の任意の位置にフラックスを塗布するフラックス
塗布装置であって、前記フラックスを粒状に噴射させる
ノズルと、このノズルから噴射した前記粒状のフラック
スを帯電させる帯電電極と、対向する電極間に電圧を印
加し前記帯電したフラックスを所定の方向に偏向させる
偏向電極とを備えることを特徴とする。
DISCLOSURE OF THE INVENTION The present invention is a flux applying apparatus for applying a flux to an arbitrary position on a printed wiring board, the nozzle for ejecting the flux in a granular form, and the granular form ejected from the nozzle. And a deflecting electrode for applying a voltage between the opposing electrodes to deflect the charged flux in a predetermined direction.

【0009】また、前記偏向電極が、電流を流して磁界
を発生させる偏向ヨークであり、前記帯電したフラック
スを所定の方向に偏向させるようにしてもよい。
Further, the deflection electrode may be a deflection yoke for generating a magnetic field by passing a current, and may deflect the charged flux in a predetermined direction.

【0010】[0010]

【実施例】次に、本発明について図面を参照して説明す
る。
Next, the present invention will be described with reference to the drawings.

【0011】図1は、本発明の一実施例のフラックス塗
布装置の構成図である。
FIG. 1 is a configuration diagram of a flux coating apparatus according to one embodiment of the present invention.

【0012】本発明のフラックス塗布装置は、図1に示
すように、フラックス2を入れるフラックスタンク6
と、ポンプ(図示せず)によりフラックス2を粒状に噴
射させる噴射ノズル5と、噴射された粒状のフラックス
2を帯電させる帯電電極4と、帯電したフラックス2に
対して両側から対向するように設けられ、フラックス2
の噴射方向を偏向させる偏向電極3a,3bとを含んで
構成される。
As shown in FIG. 1, a flux coating device according to the present invention comprises a flux tank 6 for storing a flux 2.
An injection nozzle 5 for injecting the flux 2 in a granular form by a pump (not shown); a charging electrode 4 for charging the injected granular flux 2; and a charging electrode 4 provided to face the charged flux 2 from both sides. And flux 2
And deflecting electrodes 3a and 3b for deflecting the jetting direction of the laser beam.

【0013】次に、このように構成された本実施例の動
作について説明する。
Next, the operation of the embodiment constructed as described above will be described.

【0014】本発明のフラックス塗布装置は、プリント
配線基板1にフラックス2を塗布するに際して、まず、
フラックスタンク6内のフラックス2は噴射ノズル5に
供給され、ポンプにより加圧されて噴射ノズル5の先端
から粒状となって噴射される。噴射されたフラックス2
は帯電電極4の近傍を通過する際に帯電する。そして、
さらに偏向電極3a,3bの間を通過する。このとき、
偏向電極3a,3bには高電圧が印加され静電界が発生
している。これにより、帯電した粒状のフラックス2を
偏向する。すなわち噴射されたフラックス2を方向制御
が可能となり、プリント配線基板1の必要な箇所にフラ
ックス2を塗布することができる。
When applying the flux 2 to the printed wiring board 1, the flux applying apparatus of the present invention first
The flux 2 in the flux tank 6 is supplied to the injection nozzle 5, is pressurized by a pump, and is injected in a granular form from the tip of the injection nozzle 5. Injected flux 2
Is charged when passing near the charging electrode 4. And
Further, it passes between the deflection electrodes 3a and 3b. At this time,
A high voltage is applied to the deflection electrodes 3a and 3b to generate an electrostatic field. Thereby, the charged granular flux 2 is deflected. That is, the direction of the injected flux 2 can be controlled, and the flux 2 can be applied to a required portion of the printed wiring board 1.

【0015】また、本発明のフラックス塗布装置は、フ
ラックスの塗布時間を制御することも可能であり、従っ
て、プリント配線基板1の指定箇所にフラックス2を所
定量だけ塗布することができる。
Further, the flux application apparatus of the present invention can control the application time of the flux. Therefore, the flux 2 can be applied to a designated portion of the printed wiring board 1 by a predetermined amount.

【0016】なお、本発明のフラックス塗布装置では、
フラックスの方向制御として偏向電極による静電界を利
用しているが、この偏向電極3a,3bに代えて、偏向
ヨーク(コイル)を用い、この偏向ヨークに電流を流し
て磁界を発生させ、帯電したフラックスを所定の方向に
偏向させるようにしても同様の結果が得られる。
In the flux coating apparatus of the present invention,
The static electric field generated by the deflecting electrodes is used to control the direction of the flux. Instead of the deflecting electrodes 3a and 3b, a deflecting yoke (coil) is used. Similar results can be obtained by deflecting the flux in a predetermined direction.

【0017】[0017]

【発明の効果】以上説明したように本発明は、プリント
配線基板へ塗布されるフラックスの位置と塗布量を制御
可能としたため、プリント配線基板の半田付けに必要な
部分にのみにフラックスを塗布することができ、例え
ば、プリント配線基板のスルーホール内にもフラックス
を塗布できる。
As described above, according to the present invention, since the position and the amount of the flux applied to the printed wiring board can be controlled, the flux is applied only to the portion necessary for soldering the printed wiring board. For example, a flux can be applied to the inside of a through hole of a printed wiring board.

【0018】従って、フラックスが無駄になることはな
く、しかも、プリント配線基板に設けられている試験用
端子にフラックスが塗布されることはない。このため、
フラックス使用量の削減、スルーホール半田付不良の削
減、およびプリント配線基板の実装部品に対するフラッ
クス付着を回避できるという効果がある。
Therefore, the flux is not wasted, and the flux is not applied to the test terminals provided on the printed wiring board. For this reason,
This has the effect of reducing the amount of used flux, reducing the number of defective through-hole soldering, and avoiding the attachment of flux to the components mounted on the printed wiring board.

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

【図1】本発明の一実施例を示す構成図である。FIG. 1 is a configuration diagram showing an embodiment of the present invention.

【図2】従来例を示す構成図である。FIG. 2 is a configuration diagram showing a conventional example.

【図3】従来の別の例を示す構成図である。FIG. 3 is a configuration diagram showing another example of the related art.

【符号の説明】[Explanation of symbols]

1 プリント配線基板 2,2a,2b フラックス 3a,3b 偏向電極 4 帯電電極 5 噴射ノズル 6,6a,6b フラックスタンク 7 スプレーノズル 8 フード 9 発泡管 DESCRIPTION OF SYMBOLS 1 Printed wiring board 2, 2a, 2b Flux 3a, 3b Deflection electrode 4 Charging electrode 5 Injection nozzle 6, 6a, 6b Flux tank 7 Spray nozzle 8 Food 9 Foam tube

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 プリント配線基板上の任意の位置にフラ
ックスを塗布するフラックス塗布装置であって、前記フ
ラックスを粒状に噴射させるノズルと、このノズルから
噴射した前記粒状のフラックスを帯電させる帯電電極
と、対向する電極間に電圧を印加し前記帯電したフラッ
クスを所定の方向に偏向させる偏向電極とを備えること
を特徴とするフラックス塗布装置。
1. A flux applicator for applying a flux to an arbitrary position on a printed wiring board, comprising a nozzle for ejecting the flux in a granular form, and a charging electrode for charging the granular flux ejected from the nozzle. And a deflection electrode for applying a voltage between the opposing electrodes to deflect the charged flux in a predetermined direction.
【請求項2】 前記偏向電極が、電流を流して磁界を発
生させる偏向ヨークであり、前記帯電したフラックスを
所定の方向に偏向させることを特徴とする請求項1記載
のフラックス塗布装置。
2. The flux coating apparatus according to claim 1, wherein the deflection electrode is a deflection yoke for generating a magnetic field by flowing a current, and deflects the charged flux in a predetermined direction.
JP7147547A 1995-06-14 1995-06-14 Flux coating device Expired - Fee Related JP2656757B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7147547A JP2656757B2 (en) 1995-06-14 1995-06-14 Flux coating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7147547A JP2656757B2 (en) 1995-06-14 1995-06-14 Flux coating device

Publications (2)

Publication Number Publication Date
JPH098445A true JPH098445A (en) 1997-01-10
JP2656757B2 JP2656757B2 (en) 1997-09-24

Family

ID=15432796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7147547A Expired - Fee Related JP2656757B2 (en) 1995-06-14 1995-06-14 Flux coating device

Country Status (1)

Country Link
JP (1) JP2656757B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002248564A (en) * 2001-02-26 2002-09-03 Yasuo Okubo Flux liquid ionization device and flux coating device for flux coating device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484665A (en) * 1990-07-26 1992-03-17 Sanden Corp Brazing method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0484665A (en) * 1990-07-26 1992-03-17 Sanden Corp Brazing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002248564A (en) * 2001-02-26 2002-09-03 Yasuo Okubo Flux liquid ionization device and flux coating device for flux coating device

Also Published As

Publication number Publication date
JP2656757B2 (en) 1997-09-24

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