JPH03296460A - Flux coating apparatus - Google Patents
Flux coating apparatusInfo
- Publication number
- JPH03296460A JPH03296460A JP9877290A JP9877290A JPH03296460A JP H03296460 A JPH03296460 A JP H03296460A JP 9877290 A JP9877290 A JP 9877290A JP 9877290 A JP9877290 A JP 9877290A JP H03296460 A JPH03296460 A JP H03296460A
- Authority
- JP
- Japan
- Prior art keywords
- flux
- printed circuit
- circuit board
- atomizing means
- 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.)
- Pending
Links
- 230000004907 flux Effects 0.000 title claims abstract description 56
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000013459 approach Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000010419 fine particle Substances 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0615—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced at the free surface of the liquid or other fluent material in a container and subjected to the vibrations
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はフラックス塗付装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a flux application device.
プリント基板等のハンダ付けに際しては、ハンダ付は面
に予めフラックスが塗付される。従来のフラックス塗付
装置は第３図に示すように、フラックス溶液２０の容器
２１と、同容器２１内に収容する前記フラックス溶液２
０の発泡装置２２と、発泡したフラックス２３の吐出部
２４とで構成されている。前記発泡装置２２は送風管２
５を連結した素焼きの陶器等の連続気孔体２６により形
成され、前記フラックス溶液２０に浸漬されている。そ
して、前記送風管２５より空気を送り込むことにより前
記気孔体２６において前記フラックス溶液２０は発泡し
たフラックス２３になって前記吐出部２４より吐出され
、上部を通過するプリント基板２７の裏面に付着し、同
プリント基板２７に装荷した電子部品等と共に、フラッ
クスの薄い膜で覆う、ところで、前記気孔体２６はフラ
ックス溶液２０を循環する過程でフラックス溶液２０に
混入する塵埃等により目詰まりを起こし易く、このため
泡の発生量や泡粒の大きさ等にむらを生じ、プリント基
板および電子部品の隅部へのフラックスの付着が不均一
になって、プリント基板のハンダ付けに支障をきたすこ
とが頻繁にあった。そして、このような場合、目詰まり
した気孔体２６を取り外して洗浄する等の厄介なメンテ
ナンスが必要であった。When soldering printed circuit boards, etc., flux is applied to the soldering surface in advance. As shown in FIG. 3, a conventional flux application device includes a container 21 containing a flux solution 20 and a container 21 containing the flux solution 2.
The foaming device 22 includes a foaming device 22 and a discharge portion 24 for discharging the foamed flux 23. The foaming device 22 is a blower pipe 2
It is formed of a continuous porous body 26 made of unglazed pottery or the like in which 5 are connected, and is immersed in the flux solution 20. Then, by sending air through the air pipe 25, the flux solution 20 becomes a foamed flux 23 in the porous body 26, is discharged from the discharge part 24, and adheres to the back surface of the printed circuit board 27 passing through the upper part, The printed circuit board 27 is covered with a thin film of flux along with the electronic components and the like loaded thereon. By the way, the porous body 26 is easily clogged by dust etc. mixed into the flux solution 20 during the process of circulating the flux solution 20. As a result, the amount of bubbles generated and the size of bubble particles become uneven, and the flux adheres to the corners of printed circuit boards and electronic components unevenly, which often causes trouble in soldering printed circuit boards. there were. In such a case, troublesome maintenance such as removing and cleaning the clogged pore body 26 is required.
本発明は上記従来の欠点を解決し、フラックスを微細な
霧状にしてプリント基板に均一に塗付せしめると共に、
頻繁なメンテナンスを必要としないフラックス塗付装置
を提供することを目的としている。The present invention solves the above-mentioned conventional drawbacks, makes flux into a fine mist, and uniformly coats the printed circuit board.
The purpose is to provide a flux application device that does not require frequent maintenance.
上記課題を解決するために本発明では、フラックス溶液
の容器と、同容器に内装する前記フラックス溶液の霧状
化手段と、同霧状化手段の駆動。In order to solve the above problems, the present invention provides a container for a flux solution, a means for atomizing the flux solution housed in the container, and a drive for the atomizing means.
制御部と、前記霧状化したフラックスの吐出部とにより
フラックス塗付装置を構成し、前記霧状化手段が超音波
振動子により成り、前記霧状化手段の駆動、制御部にプ
リント基板の検出部を備え、同プリント基板の前記吐出
部への接近に伴い、前記霧状化手段を駆動し、前記霧状
化したフラックスが前記吐出部に連通ずる送風機により
強制的に吐出され、前記送風機を前記霧状化手段と連動
した。A control unit and a discharge unit for the atomized flux constitute a flux application device, and the atomization unit includes an ultrasonic vibrator, and the drive and control unit includes a printed circuit board. The atomizing means is driven as the printed circuit board approaches the discharge section, and the atomized flux is forcibly discharged by a blower communicating with the discharge section. was interlocked with the atomization means.
上記構成によれば、先ず、吐出部へのプリント基板の接
近に伴い、検出部より検知信号が制御部に伝送され、制
御部は駆動部をスタートさせ、超音波振動子は容器内の
フラックス溶液を霧状化する。これと連動して送風機も
運転を開始して霧状化したフラックスを強制的に吐出部
より排出し、吐出部の上部を通過するプリント基板の裏
面にフラックスの微粒子を均一に付着させる。そして、
検出部はプリント基板が通過し終わると再び検知信号が
制御部に伝送され、制御部は駆動部と送風機の運転を停
止させる。一方、液面センサと、開閉バルブとは制御部
を介して連動し、容器内のフラックス溶液を適量に維持
する。According to the above configuration, first, as the printed circuit board approaches the discharge section, a detection signal is transmitted from the detection section to the control section, the control section starts the drive section, and the ultrasonic vibrator moves the flux solution in the container. Atomize. In conjunction with this, the blower also starts operating and forcibly discharges the atomized flux from the discharge section, causing fine particles of flux to uniformly adhere to the back surface of the printed circuit board that passes above the discharge section. and,
When the printed circuit board has passed, the detection section transmits a detection signal to the control section again, and the control section stops the operation of the drive section and the blower. On the other hand, the liquid level sensor and the opening/closing valve are interlocked via the control unit to maintain an appropriate amount of flux solution in the container.
以下、本発明の一実施例を図面を参照しながら説明する
。An embodiment of the present invention will be described below with reference to the drawings.
第１図において、ｌは金属製のフラックス容器２は同容
器１に収容されたフラックス溶液、３は前記容器１内に
装着されると共に、前記フラックス溶液２内に浸漬する
超音波振動子からなる前記フラックス溶液２の霧状化手
段、４は同霧状化手段３の駆動部、５は同駆動部４等の
制御部、６は前記容器１の上部に蓋状に装着する霧状化
した前記フラックス溶液２の吐出部、７は前記容器１の
上部において連通し、前記制御部５に制御されて霧状化
した前記フラックス溶液２を強制的に吐出するための送
風機、８は前記制御部５と電気的に連結して前記吐出部
６の近傍に設けられ、プリント基板９の接近を検知する
検出部、１０は前記フラックス容器ｌに連通ずる前記フ
ラックス溶液２の予備タンク、１１は同予備タンク１０
と前記容器１との間を繋ぐバイブ１２に設けた開閉バル
ブで、前記容器１内に設けた前記フラックス溶液２の液
面センサ１３と連動して前記制御部５により制御される
。In FIG. 1, 1 is a metal flux container 2, which is a flux solution contained in the container 1, and 3 is an ultrasonic vibrator installed in the container 1 and immersed in the flux solution 2. Atomizing means for the flux solution 2; 4 is a driving section for the atomizing means 3; 5 is a control section for the driving section 4; and 6 is an atomizing device attached to the top of the container 1 in the form of a lid. A discharge section 7 for the flux solution 2 is connected to the upper part of the container 1, and is controlled by the control section 5 to forcibly discharge the atomized flux solution 2, and 8 is the control section. 5 is electrically connected to a detection section provided near the discharge section 6 to detect the approach of the printed circuit board 9; 10 is a reserve tank for the flux solution 2 communicating with the flux container L; 11 is a reserve tank for the flux solution 2; tank 10
An opening/closing valve provided on a vibrator 12 connecting the container 1 and the container 1 is controlled by the controller 5 in conjunction with a liquid level sensor 13 for the flux solution 2 provided in the container 1.
以上のような構成において、次にその動作を第２図を交
えて説明すると、先ず、容器１内のフラックス溶液２は
液面センサ１３．制御部５．開閉バルブ１１により所定
量に保たれる。次に、プリント基板９が吐出部６に接近
すると、検出部８より検知信号が制御部５に伝送され、
制御部５は駆動部４、送風機７をそれぞれ作動させる。In the above-described configuration, the operation thereof will be explained below with reference to FIG. Control unit 5. The on-off valve 11 maintains a predetermined amount. Next, when the printed circuit board 9 approaches the discharge section 6, a detection signal is transmitted from the detection section 8 to the control section 5.
The control unit 5 operates the drive unit 4 and the blower 7, respectively.
これにより、フラックス溶液２は超音波振動子３により
霧状化されると共に、送風機７により吐出部６より強制
的に排出されて、吐出部６の上を通過するプリント基板
９の裏面に均一に塗付される。一方、検出部８は、プリ
ント基板９が通過し終わると再び検知信号が制御部５に
伝送され、制御部５は駆動部４、送風機７の作動をそれ
ぞれ停止させる。As a result, the flux solution 2 is atomized by the ultrasonic vibrator 3, and is forcibly discharged from the discharge section 6 by the blower 7, and is evenly distributed on the back surface of the printed circuit board 9 passing over the discharge section 6. be painted. On the other hand, when the printed circuit board 9 finishes passing, the detection section 8 transmits a detection signal to the control section 5 again, and the control section 5 stops the operation of the drive section 4 and the blower 7, respectively.
以上のように本発明によれば、フラックス溶液を霧状の
微粒子にして強制的に吹付るので、ブリント基板の裏面
に装着された電子部品等の隅々まで隈な（均一にフラッ
クスを塗付することができる。また、フラックスの霧状
化を超音波振動子にて行っているので、目詰まり等に対
する厄介なメンテナンスは不要になり、長期間安定に運
転を続けることができる。As described above, according to the present invention, the flux solution is forcibly sprayed in the form of atomized fine particles, so that the flux is evenly applied to every corner of electronic components etc. mounted on the back side of the printed circuit board. In addition, since the flux is atomized using an ultrasonic vibrator, troublesome maintenance such as clogging is not required, and stable operation can be continued for a long period of time.
第１図は本発明のフラックス塗付装置の概要を示す説明
図、第２図は同電気回路図、第３図は従来例を示す説明
図である。
１・・・容器、２・・・フラックス溶液、３０１．霧状
化手段、４・・・駆動部、５・・・制御部、６１．。
吐出部、７・・・送風機、８・・・検出部、９・・・プ
リント基板。FIG. 1 is an explanatory diagram showing an outline of the flux application device of the present invention, FIG. 2 is an electric circuit diagram thereof, and FIG. 3 is an explanatory diagram showing a conventional example. 1... Container, 2... Flux solution, 301. Atomizing means, 4... drive section, 5... control section, 61. . Discharge section, 7... Air blower, 8... Detection section, 9... Printed circuit board.
Claims (5)
フラックス溶液の霧状化手段と、同霧状化手段の駆動、
制御部と、前記霧状化したフラックスの吐出部とから成
るフラックス塗付装置。(1) A container for a flux solution, a means for atomizing the flux solution contained in the container, and driving the atomizing means;
A flux application device comprising a control section and a discharge section for discharging the atomized flux.
特徴とするフラックス塗付装置。(2) A flux applicator characterized in that the atomizing means comprises an ultrasonic vibrator.
検出部を備え、同プリント基板の前記吐出部への接近に
伴い、前記霧状化手段を駆動して成ることを特徴とする
請求項（１）記載のフラックス塗付装置。(3) The drive and control unit for the atomizing means is provided with a detection section on a printed circuit board, and the atomizing means is driven as the printed circuit board approaches the discharge section. The flux application device according to claim (1).
る送風機により強制的に吐出されることを特徴とする請
求項（１）記載のフラックス塗付装置。(4) The flux application device according to claim (1), wherein the atomized flux is forcibly discharged by an air blower communicating with the discharge section.
を特徴とする請求項（３）記載のフラックス塗付装置。(5) The flux application device according to claim (3), wherein the blower is configured to operate in conjunction with the atomizing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9877290A JPH03296460A (en) | 1990-04-13 | 1990-04-13 | Flux coating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9877290A JPH03296460A (en) | 1990-04-13 | 1990-04-13 | Flux coating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03296460A true JPH03296460A (en) | 1991-12-27 |
Family
ID=14228671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9877290A Pending JPH03296460A (en) | 1990-04-13 | 1990-04-13 | Flux coating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03296460A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096004A (en) * | 2000-09-21 | 2002-04-02 | Inoue Kinzoku Kogyo Co Ltd | Coating device |
| WO2006114249A1 (en) * | 2005-04-26 | 2006-11-02 | Bayer Technology Services Gmbh | Novel equipment and method for coating substrates for analyte detection by way of an affinity assay method |
| JP2011041928A (en) * | 2009-08-24 | 2011-03-03 | Asahi Chemical Research Laboratory Co Ltd | Flux applying method and flux applying apparatus |
| CN104741279A (en) * | 2013-12-26 | 2015-07-01 | 深圳市堃琦鑫华股份有限公司 | Ultrasonic spraying equipment |
-
1990
- 1990-04-13 JP JP9877290A patent/JPH03296460A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002096004A (en) * | 2000-09-21 | 2002-04-02 | Inoue Kinzoku Kogyo Co Ltd | Coating device |
| WO2006114249A1 (en) * | 2005-04-26 | 2006-11-02 | Bayer Technology Services Gmbh | Novel equipment and method for coating substrates for analyte detection by way of an affinity assay method |
| JP2008539399A (en) * | 2005-04-26 | 2008-11-13 | バイエル・テクノロジー・サービシズ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Novel apparatus and method for coating a substrate for the detection of an analytical sample by an affinity assay method |
| JP2011041928A (en) * | 2009-08-24 | 2011-03-03 | Asahi Chemical Research Laboratory Co Ltd | Flux applying method and flux applying apparatus |
| CN104741279A (en) * | 2013-12-26 | 2015-07-01 | 深圳市堃琦鑫华股份有限公司 | Ultrasonic spraying equipment |
| CN104741279B (en) * | 2013-12-26 | 2017-02-15 | 深圳市堃琦鑫华股份有限公司 | Ultrasonic spraying equipment |
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