JPH0523572A - Two-liquid container, two-liquid mixing method and its device - Google Patents
Two-liquid container, two-liquid mixing method and its deviceInfo
- Publication number
- JPH0523572A JPH0523572A JP3203743A JP20374391A JPH0523572A JP H0523572 A JPH0523572 A JP H0523572A JP 3203743 A JP3203743 A JP 3203743A JP 20374391 A JP20374391 A JP 20374391A JP H0523572 A JPH0523572 A JP H0523572A
- Authority
- JP
- Japan
- Prior art keywords
- container
- liquid
- polymer
- prepolymer
- reactive group
- 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.)
- Withdrawn
Links
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は2液型の熱硬化性接着
剤、特に水性エマルジョン接着剤の混合方法及び装置に
関する。本発明の方法及び装置は特に特にプリント配線
基板に接着剤を液滴の形でスポット状に塗布する場合の
制御方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for mixing a two-pack type thermosetting adhesive, particularly an aqueous emulsion adhesive. The method and apparatus of the present invention particularly relates to a control method for applying an adhesive in the form of droplets to spots on a printed wiring board.
【0002】[0002]
【従来技術】小型電子部品をプリント基板に搭載するに
は、電子部品を接着剤によりプリント基板上の所定位置
に仮付けし、ついで溶融半田による半田付けを行なって
電子部品と配線導体間の固定と電気接続を行なうことが
広く行なわれている。この工程を自動的に実施するため
に各種の方法が行なわれるが、基本的には多数の電子部
品を自動装着装置により水平に置いたプリント基板上へ
仮付けし、ついでプリント基板を裏返し(又は裏返さな
いで)、プリント基板全体を溶融半田に接触させる工程
からなる。従って仮付けを行なう接着剤は、プリント基
板を反転したり、加熱したりしても電子部品の脱落やず
れを起こさない程度の充分な粘着力を要する一方、仮に
ずれても姿勢を矯正出来る程度の流動性を要する。又、
能率の良い接着剤の供給が必要である。このための要件
としては各種の因子があるが、主なものは接着剤の粘着
性が充分に高いこと、接着剤が一度に調整可能な充分量
で且つ再現性良く供給出来ること、接着剤の切れが良い
こと(ディスペンサーノズルからの糸引のないこと)、
などである。2. Description of the Related Art To mount a small electronic component on a printed circuit board, the electronic component is temporarily attached to a predetermined position on the printed circuit board with an adhesive, and then soldered by molten solder to fix the electronic component to the wiring conductor. It is widely practiced to make an electrical connection with. Various methods are performed to automatically perform this step, but basically, a large number of electronic components are temporarily mounted on a horizontally placed printed circuit board by an automatic mounting device, and then the printed circuit board is turned upside down (or (Not turned over), contacting the entire printed circuit board with molten solder. Therefore, the adhesive used for temporary attachment requires sufficient adhesive strength to prevent the electronic components from falling off or slipping even when the printed circuit board is inverted or heated, while it can correct the posture even if it shifts. Requires liquidity. or,
It is necessary to supply efficient adhesive. There are various factors as the requirements for this, but the main ones are that the tackiness of the adhesive is sufficiently high, that the adhesive can be supplied in a sufficient amount that can be adjusted at one time and with good reproducibility, Good cutting (no threading from the dispenser nozzle),
And so on.
【0003】本出願人の先願である特願平2−1192
5、2−234421号には熱可塑性又は熱硬化性アク
リル変性エマルジョン接着剤を利用する。こうした接着
剤は図2〜3に示したような非接触式(ノズル先端がプ
リント基板に接触しない方式)の接着剤ディスペンサを
使用すれば、正確且つ能率的に接着剤を分与出来る。Japanese Patent Application No. 2-1192, which is a prior application of the present applicant.
No. 5,2-234421 utilizes a thermoplastic or thermosetting acrylic modified emulsion adhesive. Such an adhesive can be dispensed accurately and efficiently by using a non-contact type adhesive dispenser (a system in which the nozzle tip does not contact the printed board) as shown in FIGS.
【0004】図2〜3において接着剤11の供給槽2は
電磁弁4の開放により接着剤の液滴が射出ノズル5から
射出されるように所定の一定圧力に保持され、好ましく
は射出ノズル5を通る接着剤の粘性を一定にするために
他の部分も含めて一定温度に保持されている。接着剤1
1は導管3から電磁弁4に導かれる。電磁弁4に於て開
放時間を制御することにより計量された一定量の接着剤
は射出ノズル5から放出される。不使用時の射出ノズル
5の先端は、乾燥を防ぐために常時水で湿す。射出ノズ
ル先端には液切れを良くするために好ましくは弗素樹脂
等の撥水性の被覆を施す。接着剤は導管3からハウジン
グ25の内部通路17を経て弁室19に入る。射出ノズ
ル5の上端は出口弁座26と形成しており、弁体20が
常時圧縮ばね21により下方へ偏位されているため常時
は出口弁座26を閉鎖している。弁体20が電磁コイル
24により引き上げられると、弁体20は接着剤の射出
ノズル5への流れを可能にし、加圧下にある接着剤を液
滴化して射出ノズル5から放出させる。弁体20は軟磁
性材料から構成され、その上方には同様に磁気コア22
がねじ込まれナット23により固定されている。電磁コ
イル24はリード27により給電される。図示しない調
整器により給電時間が任意の所定値に設定され、電子部
品を仮止めするのに必要な接着剤の一滴あたりの供給量
が任意に調整される。2 to 3, the supply tank 2 for the adhesive 11 is maintained at a predetermined constant pressure so that the droplet of the adhesive is ejected from the ejection nozzle 5 by opening the solenoid valve 4, and preferably the ejection nozzle 5 is used. In order to make the viscosity of the adhesive passing through it constant, the other parts are kept at a constant temperature. Adhesive 1
1 is led from the conduit 3 to the solenoid valve 4. By controlling the opening time in the solenoid valve 4, a fixed amount of adhesive measured is discharged from the injection nozzle 5. The tip of the injection nozzle 5 when not in use is always wet with water to prevent it from drying. The tip of the injection nozzle is preferably coated with a water-repellent material such as a fluororesin in order to improve liquid drainage. The adhesive enters the valve chamber 19 from the conduit 3 via the internal passage 17 of the housing 25. The upper end of the injection nozzle 5 is formed with an outlet valve seat 26, and the outlet 20 is normally closed because the valve body 20 is always biased downward by the compression spring 21. When the valve body 20 is pulled up by the electromagnetic coil 24, the valve body 20 enables the adhesive to flow to the injection nozzle 5, and the adhesive under pressure is dropletized and discharged from the injection nozzle 5. The valve body 20 is made of a soft magnetic material, and the magnetic core 22 is similarly provided above it.
Is screwed in and fixed by a nut 23. The electromagnetic coil 24 is powered by the lead 27. The power supply time is set to an arbitrary predetermined value by an adjuster (not shown), and the supply amount of one drop of the adhesive required to temporarily fix the electronic component is arbitrarily adjusted.
【0005】[0005]
【発明が解決すべき課題】前記のディスペンサによる
と、従来のディスペンサの接着剤吐出口が一回の塗布毎
に基板に接触する塗布方式に比べて一滴当りの液量が精
密に制御出来る特徴があるが、接着剤として特に適して
いる熱硬化性のものを使用する場合には、反応性基を持
ったプレポリマーまたはポリマーよりなる主剤を液状架
橋剤と混合してディスペンサにセットするのが難しく、
簡便な手段と方法が要請される。According to the above dispenser, the amount of liquid per drop can be controlled more precisely than the conventional coating method in which the adhesive discharge port of the dispenser contacts the substrate after each coating. However, when using a thermosetting material that is particularly suitable as an adhesive, it is difficult to mix the prepolymer having a reactive group or the main agent consisting of the polymer with the liquid crosslinking agent and setting it in the dispenser. ,
Simple means and methods are required.
【0006】[0006]
【課題を解決するための手段】本発明は、抽出口を有し
反応性基を持ったプレポリマーまたはポリマーを収容し
た第1容器と、該主容器に併設され液状架橋剤を収容し
た第2容器とよりなる2液容器を提供する。この容器に
よれば両液は容易に混合出来ると共に、上記のディスペ
ンサの接着剤供給容器としてそのまま使用出来、使用後
には使い捨て可能な確実簡便な作業が可能となる。According to the present invention, there is provided a first container having an extraction port and containing a prepolymer or a polymer having a reactive group, and a second container provided adjacent to the main container and containing a liquid crosslinking agent. A two-component container consisting of a container is provided. With this container, both liquids can be easily mixed and can be used as they are as an adhesive supply container for the above-mentioned dispenser, and after use, reliable and simple operation is possible.
【0007】本発明は又上記の容器を利用した混合方法
を提供するもので、前記第2容器を先端棒状体により突
破ることにより反応性基を持ったプレポリマーまたはポ
リマーと架橋剤を合体させると共に前記棒状体で密封状
態を保持し、前記2液容器を上下反転させたのち静置し
て比重の差異による混合を行なわせ、次いで再び上下反
転させて同様な操作を行ない、以下所定回数同様な操作
を行なうことを特徴とする反応性基を持ったプレポリマ
ーまたはポリマーと架橋剤の混合方法である。この方法
は簡単な装置を利用して容易且つ確実な2液混合を可能
にする。The present invention also provides a mixing method using the above-mentioned container, wherein the second container is breached by the tip rod-like body to combine the prepolymer having a reactive group or the polymer and the crosslinking agent. Along with holding the sealed state with the rod-shaped body, the two-liquid container is turned upside down and left to stand for mixing due to the difference in specific gravity, and then turned upside down again to perform the same operation. This is a method for mixing a prepolymer or polymer having a reactive group with a cross-linking agent, which is characterized by performing various operations. This method enables easy and reliable mixing of two liquids using a simple device.
【0008】本発明は又、上記の2液容器の2液を混合
する装置を提供するもので、前記第2容器の外気に接す
る外壁及び第2容器側の内壁を突破るための尖端を有す
る棒状体と、前記棒状体を前進させる動力駆動手段と、
前記第1容器を支持して反転させる支持反転手段よりな
り、前記棒状体の尖端近傍は、前記第2容器を突破った
時に架橋剤の第1容器への流動を可能にする溝を有して
いる、反応性基を持ったプレポリマーまたはポリマーと
架橋剤の混合装置である。The present invention also provides an apparatus for mixing the two liquids in the above-mentioned two-liquid container, which has a tip for breaking through the outer wall of the second container in contact with the outside air and the inner wall of the second container side. A rod-shaped body, and a power drive means for moving the rod-shaped body forward,
The rod-shaped body includes a support reversing unit that supports and inverts the first container, and has a groove near the tip of the rod-shaped body that allows the cross-linking agent to flow into the first container when the second container is breached. It is a mixing device of a prepolymer having a reactive group or a polymer and a crosslinking agent.
【0009】[0009]
【実施例の説明】図1に本発明の実施例による2液混合
容器、及び混合装置が例示されている。また本発明の混
合方法はこの図を参照して説明する。なお2液混合容器
は図2〜3のディスペンサの接着剤供給容器として使用
されるものである。したがってこの容器は使い捨て容器
として容易に装置にセットしまた取り外すことができ
る。まず2液混合容器について説明すると、図1におい
て、2液容器30は、抽出口32を有し且つ反応性基を
持ったプレポリマーまたはポリマー(主剤)34を収容
した第1容器36と、該主容器の開放端40に着脱自在
に密封嵌合され且つ液状架橋剤48を収容した第2容器
38とよりなる。抽出口の先端にはキャップ42が固定
してあり、このキャップ42は使用に先立って取り外さ
れた上、図2図の所定位置に取りつけられるかあるい
は、キャップ42を注射針のような抽出管で突き刺して
装置側の管路に連通させるとかの任意の手段を使用し得
る。前記第2容器38は外気に接する外壁44及び第1
容器の室に面した内壁46との間に架橋剤48を収容し
ている。第1及び第2容器36、38はフランジ50、
52により密封されており、適当な分離手段(図示せ
ず)で互いに分離することができる。内外壁46、44
は以下に述べる棒状体54で容易に突き通すことができ
る材料例えばアルミニウム箔等から製造する。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 illustrates a two-liquid mixing container and a mixing device according to an embodiment of the present invention. The mixing method of the present invention will be described with reference to this figure. The two-liquid mixing container is used as the adhesive supply container of the dispenser shown in FIGS. Therefore, this container can be easily set in and removed from the device as a disposable container. First, the two-liquid mixing container will be described. In FIG. 1, a two-liquid container 30 includes a first container 36 having an extraction port 32 and containing a prepolymer or a polymer (main ingredient) 34 having a reactive group, and It comprises a second container 38 which is removably and hermetically fitted in the open end 40 of the main container and which contains a liquid cross-linking agent 48. A cap 42 is fixed to the tip of the extraction port. The cap 42 is removed prior to use and then attached at a predetermined position in FIG. 2 or the cap 42 is formed by an extraction tube such as an injection needle. Any means such as piercing and communicating with the device-side conduit can be used. The second container 38 includes an outer wall 44 and a first wall 44 that are in contact with the outside air
A cross-linking agent 48 is contained between the inner wall 46 facing the chamber of the container and the inner wall 46. The first and second containers 36, 38 have a flange 50,
It is sealed by 52 and can be separated from each other by suitable separating means (not shown). Inner and outer walls 46, 44
Is manufactured from a material, such as aluminum foil, which can be easily pierced by the rod-shaped body 54 described below.
【0010】次に本発明の混合装置の例を説明すると、
図1において56は2液容器30の下端を支持する環状
の下端部支持体、58は中間を支持する環状の中間部支
持体、及び60は上端を抑える環状の上端部支持体であ
る。上端支持体60の開口は棒状体54を通す大きさを
有する。支持体56、58は一体として枢軸(図示せ
ず)に支持され、回転手段(図示せず)により上下反転
ができる。また支持体60は支持体56、58へ着脱で
きる様にする。62は液圧装置(電動装置でも良い)で
シリンダと棒状体54を支持するピストンからなってお
り、シリンダへの給液により棒状体54を前進又は後退
させる。棒状体54の下端は尖端となっており、その周
囲に接着剤を逃す数条の縦溝64を有する。Next, an example of the mixing apparatus of the present invention will be described.
In FIG. 1, 56 is an annular lower-end support that supports the lower end of the two-liquid container 30, 58 is an annular middle-portion support that supports the middle, and 60 is an annular upper-end support that holds down the upper end. The opening of the upper end support body 60 is sized to allow the rod-shaped body 54 to pass therethrough. The supports 56 and 58 are integrally supported by a pivot (not shown) and can be turned upside down by a rotating means (not shown). Further, the support body 60 can be attached to and detached from the support bodies 56 and 58. Reference numeral 62 denotes a hydraulic device (which may be an electric device), which is composed of a cylinder and a piston that supports the rod-shaped body 54, and advances or retracts the rod-shaped body 54 by supplying liquid to the cylinder. The lower end of the rod-shaped body 54 is a pointed end, and has several vertical grooves 64 around which the adhesive is released.
【0011】次に図1により本発明の混合方法を説明す
る。まず(a)の2液容器30を、(b)の様に抽出口
を下にして支持体56、58の環状部に挿入し、次いで
支持体60で抑える。次に、液圧装置62を作働して、
棒状体54の尖端により第2容器の壁44、46に刺通
させ、次いで、前記棒状体を前進させて(c)にもたら
す。これにより硬化剤は主剤中へ流下する。そのまま静
止させると接着剤は主材樹脂との比重差により主剤中へ
混合していく。硬化剤が抽出口近くに達したら矢印の様
に支持体56、58、60を回転させて2液容器を反転
させて(d)の位置に静止させる。以下同様な反転静止
を数回続けると、所定の混合が達成される。なお、上記
反転を余り早くすると混合はかえって遅くなる。回転が
遅過ぎると無駄時間が増えるので適当な静止時間を定め
る。Next, the mixing method of the present invention will be described with reference to FIG. First, the two-component container 30 of (a) is inserted into the annular portions of the supports 56 and 58 with the extraction port facing down as shown in (b), and then held by the support 60. Next, by activating the hydraulic device 62,
The tips of the rods 54 pierce the walls 44, 46 of the second container and then the rods are advanced to (c). This causes the curing agent to flow down into the main agent. If the adhesive is left as it is, the adhesive will be mixed into the main resin due to the difference in specific gravity from the main resin. When the curing agent reaches the vicinity of the extraction port, the supports 56, 58 and 60 are rotated as shown by the arrows to invert the two-liquid container and make it stand at the position (d). When the same reverse stationary is continued several times, a predetermined mixing is achieved. If the reversal is made too fast, the mixing will be slowed down. If the rotation is too slow, the dead time increases, so an appropriate rest time is set.
【0012】[0012]
【作用効果】以上の様に、本発明によると熱硬化性のも
のを使用する場合には、反応性基を持ったプレポリマー
またはポリマーよりなる主剤を液状架橋剤と混合してデ
ィスペンサにセットする作業が著しく容易になる。As described above, according to the present invention, when a thermosetting material is used, a prepolymer having a reactive group or a main agent made of a polymer is mixed with a liquid crosslinking agent and set in a dispenser. The work is significantly easier.
【図1】本発明の2液容器と2液混合装置を示す図であ
り、(a)、(b)、(c)、(d)、及び(e)はこ
の順に混合の順次工程を示す。FIG. 1 is a diagram showing a two-liquid container and a two-liquid mixing device of the present invention, where (a), (b), (c), (d), and (e) show sequential steps of mixing in this order. .
【図2】接着剤ディスペンサの全体図である。FIG. 2 is an overall view of an adhesive dispenser.
【図3】図2の接着剤ディスペンサの電磁弁の詳細を示
す断面図である。3 is a cross-sectional view showing details of a solenoid valve of the adhesive dispenser of FIG.
30 2液容器
32 抽出口
34 反応性基を持ったプレポリマーまたはポリマー
(主剤)
36 第1容器
40 開放端
48 液状架橋剤
38 第2容器
42 キャップ
44 外壁
46 内壁
50、52 フランジ
54 棒状体
56、58、60 支持体
62 液圧装置
64 縦溝30 2 Liquid Container 32 Extraction Port 34 Prepolymer or Polymer (Main Agent) Having Reactive Group 36 1st Container 40 Open End 48 Liquid Crosslinking Agent 38 2nd Container 42 Cap 44 Outer Wall 46 Inner Wall 50, 52 Flange 54 Rod 56 , 58, 60 Support 62 Hydraulic device 64 Vertical groove
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 // B05C 5/00 Z 9045−4D ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI Technical display part // B05C 5/00 Z 9045-4D
Claims (3)
マーまたはポリマーを収容した第1容器と、該主容器に
併設され液状架橋剤を収容した第2容器とよりなる2液
容器を、前記第2容器を先端棒状体により突破ることに
より反応性基を持ったプレポリマーまたはポリマーと架
橋剤を合体させると共に前記棒状体で密封状態を保持
し、前記2液容器を上下反転させたのち静置して比重の
差異による混合を行なわせ、次いで再び上下反転させて
同様な操作を行ない、以下所定回数同様な操作を行なう
ことを特徴とする反応性基を持ったプレポリマーまたは
ポリマーと架橋剤の混合方法。1. A two-liquid container comprising a first container having an extraction port and containing a prepolymer or a polymer having a reactive group, and a second container provided in a line with the main container and containing a liquid crosslinking agent. By breaking through the second container with a tip rod-shaped body, the prepolymer or polymer having a reactive group and the cross-linking agent are combined and the sealed state is maintained by the rod-shaped body, and the two liquid container is turned upside down. After that, the mixture is allowed to stand to perform mixing due to the difference in specific gravity, and then the same operation is performed again by turning it upside down again, and the same operation is performed a predetermined number of times. Method of mixing cross-linking agent.
ポリマーまたはポリマーを収容した第1容器と、該主容
器の開放端に着脱自在に密封嵌合され且つ液状架橋剤を
収容した第2容器とよりなる2液容器の2液を混合する
装置において、前記第2容器の外気に接する外壁及び第
2容器側の内壁を突破るための尖端を有する棒状体と、
前記棒状体を前進させる動力駆動手段と、前記第1容器
を支持して反転させる支持反転手段よりなり、前記棒状
体の尖端近傍は、前記第2容器を突破った時に架橋剤の
第1容器への流動を可能にする溝を有している、反応性
基を持ったプレポリマーまたはポリマーと架橋剤の混合
装置。2. A first container having an extraction port and containing a prepolymer having a reactive group or containing a polymer, and a liquid cross-linking agent which is removably and hermetically fitted to the open end of the main container. In a device for mixing two liquids of a two-liquid container formed of a second container, a rod-shaped body having a tip for breaking through an outer wall of the second container in contact with the outside air and an inner wall on the second container side,
A power driving unit for advancing the rod-shaped body, and a support reversing unit for supporting and reversing the first container. The vicinity of the tip of the rod-shaped body is the first container of the cross-linking agent when the second container is breached. A device for mixing a prepolymer or a polymer having a reactive group and a cross-linking agent, which has a groove that enables the flow to the polymer.
ポリマーまたはポリマーを収容した第1容器と、該主容
器の開放端に着脱自在に密封嵌合され且つ液状架橋剤を
収容した第2容器とよりなる2液容器。3. A first container having an extraction port and containing a prepolymer or polymer having a reactive group, and a liquid crosslinking agent which is removably and hermetically fitted to the open end of the main container. A two-liquid container consisting of a second container.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3203743A JPH0523572A (en) | 1991-07-19 | 1991-07-19 | Two-liquid container, two-liquid mixing method and its device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3203743A JPH0523572A (en) | 1991-07-19 | 1991-07-19 | Two-liquid container, two-liquid mixing method and its device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0523572A true JPH0523572A (en) | 1993-02-02 |
Family
ID=16479119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3203743A Withdrawn JPH0523572A (en) | 1991-07-19 | 1991-07-19 | Two-liquid container, two-liquid mixing method and its device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0523572A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6220716B1 (en) | 1999-12-03 | 2001-04-24 | Hiroshi Asaka | Post attached type fender mirror for automotive vehicle |
JP2005152885A (en) * | 2003-10-27 | 2005-06-16 | Tokyo Ohka Kogyo Co Ltd | Slit nozzle |
-
1991
- 1991-07-19 JP JP3203743A patent/JPH0523572A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6220716B1 (en) | 1999-12-03 | 2001-04-24 | Hiroshi Asaka | Post attached type fender mirror for automotive vehicle |
JP2005152885A (en) * | 2003-10-27 | 2005-06-16 | Tokyo Ohka Kogyo Co Ltd | Slit nozzle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981008 |