JPH04358570A - Coating method for adhesive - Google Patents
Coating method for adhesiveInfo
- Publication number
- JPH04358570A JPH04358570A JP13401491A JP13401491A JPH04358570A JP H04358570 A JPH04358570 A JP H04358570A JP 13401491 A JP13401491 A JP 13401491A JP 13401491 A JP13401491 A JP 13401491A JP H04358570 A JPH04358570 A JP H04358570A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- coating
- pin
- application
- amount
- 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
- 239000000853 adhesive Substances 0.000 title claims abstract description 153
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 153
- 238000000576 coating method Methods 0.000 title claims abstract description 82
- 239000011248 coating agent Substances 0.000 claims abstract description 78
- 238000000034 method Methods 0.000 claims description 42
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000007654 immersion Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は超微量接着剤塗布方法に
係り、特に、磁気ディスク装置のコアスライダとヘッド
ジンバルアッシイの接着に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for applying an ultra-small amount of adhesive, and more particularly to adhesion between a core slider and a head gimbal assembly of a magnetic disk drive.
【０００２】0002
【従来の技術】製品の小型，高精度化が進むにつれ、各
構成部品はより小さくなっている。そしてそれらの部品
の締結手段として接着剤による固定が広く用いられてい
る。特に、精密機器製品ではその塗布量は非常に少なく
、０．０５ｍｍ３オーダの量あるいはそれ以下の量とな
っているものもある。2. Description of the Related Art As products become smaller and more precise, each component becomes smaller. Fixing with adhesives is widely used as a means of fastening these parts. In particular, in precision equipment products, the amount of coating is very small, with some products having an amount on the order of 0.05 mm3 or even less.
【０００３】それに対し、従来は、細い針先に接着剤を
つけ顕微鏡下で針先への接着剤の付着状況を確認した上
で、接着部材に塗布していた。又、機械的吐出方法は、
チュービング圧送方式，空気圧送方式，ロータリポンプ
方式等のものや、特開昭６１−２６８３７５号公報に記
載のように塗布ピンを用いたものがある。In contrast, in the past, adhesive was applied to a thin needle tip and the adhesion of the adhesive to the needle tip was checked under a microscope before being applied to the adhesive member. In addition, the mechanical discharge method is
There are methods such as a tubing pressure feeding method, an air pressure feeding method, a rotary pump method, and a method using a coating pin as described in Japanese Patent Application Laid-Open No. 61-268375.
【０００４】0004
【発明が解決しようとする課題】前述の代表例は、ハイ
ソール等の硬化促進剤、又は、ＵＶ型接着剤等の通常温
湿度中でも、非常に安定した物では転写塗布できる例と
して広く一般に知られているものだった。[Problems to be Solved by the Invention] The above-mentioned representative examples are widely known as examples that can be transfer-coated with curing accelerators such as high soles, or materials that are extremely stable even at normal temperature and humidity, such as UV adhesives. It was something that was happening.
【０００５】本発明は、急激な粘度変化状態でも定量塗
布が出来る接着剤塗布方法である。[0005] The present invention is an adhesive application method that enables quantitative application even when the viscosity changes rapidly.
【０００６】本発明の第一の目的は、超微量の接着剤塗
布を行なう事が出来る超微量接着剤塗布方法を提供する
ことにある。The first object of the present invention is to provide a method for applying an ultra-trace amount of adhesive, which can apply an ultra-trace amount of adhesive.
【０００７】本発明の第二の目的は、接着剤の粘度の高
低への対応が出来る超微量接着剤塗布方法を提供するこ
とにある。[0007] A second object of the present invention is to provide a method for applying an ultra-tight amount of adhesive, which can be applied to varying degrees of adhesive viscosity.
【０００８】本発明の第三の目的は、塗布量を許容範囲
内に納める事が出来る超微量接着剤塗布方法を提供する
ことにある。A third object of the present invention is to provide a method for applying an ultra-small amount of adhesive, which allows the amount of adhesive to be applied within a permissible range.
【０００９】本発明の第四の目的は、装置内でのタイム
リな使用中接着剤粘度測定が出来る超微量接着剤塗布方
法を提供することにある。[0009] A fourth object of the present invention is to provide a method for applying an ultra-trace amount of adhesive, which enables timely measurement of adhesive viscosity during use within an apparatus.
【００１０】本発明の第五の目的は、周囲温度を一定に
し接着剤粘度変化への抑制対応が出来る超微量接着剤塗
布方法を提供することにある。A fifth object of the present invention is to provide a method for applying an ultra-tight amount of adhesive, which can keep the ambient temperature constant and suppress changes in adhesive viscosity.
【００１１】本発明の第六の目的は、低湿度環境下によ
る接着剤劣化への抑制対応が出来る超微量接着剤塗布方
法を提供することにある。[0011] A sixth object of the present invention is to provide a method for applying an ultra-trace amount of adhesive, which can suppress deterioration of the adhesive due to low humidity environments.
【００１２】本発明の第七の目的は、接着剤撹拌中、接
着剤劣化促進の原因となる気泡混入への防止対策が出来
る超微量接着剤塗布方法を提供することにある。[0012] A seventh object of the present invention is to provide a method for applying an ultra-small amount of adhesive, which can prevent air bubbles from being mixed in during stirring of the adhesive, which causes accelerated deterioration of the adhesive.
【００１３】[0013]
【課題を解決するための手段】本発明は、超微量の接着
剤を定量塗布する為にピン転写方式を採用した。[Means for Solving the Problems] The present invention employs a pin transfer method in order to quantitatively apply an ultra-trace amount of adhesive.
【００１４】更に、塗布量の定量化を行なう目的でネッ
クとなっていた接着剤の粘度高低への対応の為には、ポ
ット中に沈むピンの深さを変えた。Furthermore, in order to deal with the viscosity of the adhesive, which was a problem in quantifying the amount of coating, the depth of the pin sunk into the pot was changed.
【００１５】更に、柔軟な塗布量コントロールにより塗
布量を許容範囲内に納める事への対応の為には、転写ピ
ンの対象ワーク上での転写時間を変えた。Furthermore, in order to keep the coating amount within an allowable range through flexible coating amount control, the transfer time of the transfer pin on the target workpiece was changed.
【００１６】更に、接着剤周囲温度変化に伴う接着剤粘
度上昇抑制への対応の為には機構全体を温度一定状態に
した。Furthermore, in order to suppress the increase in adhesive viscosity due to changes in adhesive ambient temperature, the entire mechanism is kept at a constant temperature.
【００１７】更に、接着剤周辺の湿度に伴う接着剤劣化
進行防止の為には、機構全体を低湿度状態にした。Furthermore, in order to prevent the adhesive from deteriorating due to humidity around the adhesive, the entire mechanism was kept in a low humidity state.
【００１８】更に、タイムリな使用中接着剤粘度測定の
為には、接着剤の吐出圧力，撹拌，スキージ力を測定し
粘度に換算した。Furthermore, in order to timely measure the viscosity of the adhesive during use, the discharge pressure, stirring, and squeegee force of the adhesive were measured and converted into viscosity.
【００１９】更に、非ニュートン流体である接着剤のチ
キソトロピをさげる時に撹拌を行なう。その時、はいる
気泡の混入防止対策のため、真空撹拌又は加圧撹拌を行
ない気泡の混入を防止した。Furthermore, stirring is performed to reduce the thixotropy of the adhesive, which is a non-Newtonian fluid. At that time, in order to prevent air bubbles from entering the mixture, vacuum stirring or pressurized stirring was performed to prevent air bubbles from entering.
【００２０】[0020]
【作用】この方法において塗布基体である塗布用ピンの
フラット面を浸す、ポットの中に充填される接着剤はス
クレーパでスキージし、供給量を一定にし、塗布用ピン
を下降させ浸液し上昇させる事により、塗布用ピン先端
がポット中に浸る量が常に一定となる。この接着剤が一
定量付着した塗布用ピンを被着体に接触させ転写させる
事により、ばらつきの少ない超微量の定量転写塗布を行
なう事が出来る。又、転写し終り余計な接着剤が付着し
た塗布用ピン，コーン，スクレーパは使用後毎回クリー
ニングされ同じ条件で塗布される。[Operation] In this method, the flat surface of the coating pin, which is the coating base, is immersed, the adhesive filled into the pot is squeegeeed with a scraper, the supply amount is kept constant, and the coating pin is lowered to soak and rise. By doing so, the amount that the tip of the application pin is immersed in the pot is always constant. By bringing a coating pin to which a certain amount of adhesive has been adhered onto an adherend and transferring the adhesive, it is possible to perform quantitative transfer coating in an extremely small amount with little variation. Further, the applicator pin, cone, and scraper on which excess adhesive adheres after transfer is cleaned after each use and applied under the same conditions.
【００２１】非ニュートン流体である接着剤のチキソト
ロピをコーンを回転させ、真空撹拌又は加圧撹拌する事
により低下させ、接着剤のぬれ性を良くする。The thixotropy of the adhesive, which is a non-Newtonian fluid, is lowered by rotating the cone and stirring under vacuum or pressure, thereby improving the wettability of the adhesive.
【００２２】接着剤の粘度の高低に対しては、塗布用ピ
ンのポット中での浸液深さを変える事により定量転写塗
布が出来る。Depending on the viscosity of the adhesive, quantitative transfer coating can be achieved by varying the depth of immersion of the coating pin in the pot.
【００２３】塗布量を許容範囲内に納める方法は、塗布
用ピンの対象ワーク上での転写時間を変えるので柔軟な
塗布量コントロールを可能とした。[0023] The method of keeping the coating amount within the permissible range makes it possible to flexibly control the coating amount by changing the transfer time of the coating pin onto the target workpiece.
【００２４】更に、接着剤周辺の温度，湿度を一定にし
、又、接着剤を真空又は加圧状態中で撹拌し気泡の混入
を防ぐことにより、接着剤の品質が一定条件に保たれ、
且つ、ワーキングライフが少しでも延長される。Furthermore, the quality of the adhesive can be maintained under constant conditions by keeping the temperature and humidity around the adhesive constant, and stirring the adhesive in a vacuum or pressurized state to prevent air bubbles from entering.
Moreover, your working life will be extended even a little.
【００２５】[0025]
【実施例】図１ないし図５は本発明による超微量接着剤
塗布方法の一実施例を示す説明図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 5 are explanatory drawings showing an embodiment of a method for applying an ultra-small amount of adhesive according to the present invention.
【００２６】超微量接着剤塗布方法は、塗布基体として
塗布用ピン９，被着体１７，接着剤４，接着剤４を充填
するポット５，コーン２０，スクレーパ７等から構成さ
れる。塗布用ピン９はチューブ１０内に圧縮ばね１１が
組み込まれており、プランジャ１２が飛びださない様に
チューブ１０先端はかしめてある。よって塗布用ピン９
は被着体１７に接触してもプランジャ１２がチューブ１
０内に入り込み逃げられるので、プランジャ１２、被着
体１７共に破壊しないようになっている。[0026] The ultra-trace adhesive application method is comprised of a coating pin 9 as a coating base, an adherend 17, an adhesive 4, a pot 5 filled with the adhesive 4, a cone 20, a scraper 7, and the like. The application pin 9 has a compression spring 11 built into the tube 10, and the tip of the tube 10 is caulked to prevent the plunger 12 from popping out. Therefore, application pin 9
Even if the plunger 12 comes into contact with the adherend 17, the tube 1
Since the plunger 12 and the adherend 17 are both able to escape, the plunger 12 and the adherend 17 are not destroyed.
【００２７】シリンジ１は内部に接着剤４が詰めてあり
、ピストン２を押し出せば接着剤４が吐出する。接着剤
４はプレミックスフローズンタイプの二液型接着剤で二
つの成分（主剤と硬化剤、主剤はエポキシ樹脂）に分か
れていて、使用直前に混合し硬化する接着剤である。
接着剤メーカ側はこの接着剤４を−４０℃以下に急冷し
て硬化を完全に停止させたものをユーザに納品する。ユ
ーザは接着剤４を常温まで解凍して使用する。The inside of the syringe 1 is filled with an adhesive 4, and when the piston 2 is pushed out, the adhesive 4 is discharged. Adhesive 4 is a premix frozen two-component adhesive that is divided into two components (base resin and curing agent, the base component being an epoxy resin), and is an adhesive that is mixed and cured immediately before use. The adhesive manufacturer delivers the adhesive 4 to the user after rapidly cooling it to -40° C. or lower to completely stop curing. The user uses the adhesive 4 after thawing it to room temperature.
【００２８】ポット５は平面のプレート状の板に一定深
さの浅い空間が掘ってあり、接着剤４を入れると、どの
場所でも一定深さの接着剤４が供給されることになる。The pot 5 has a flat plate-shaped plate with a shallow space of a constant depth cut therein, and when the adhesive 4 is poured into the pot 5, the adhesive 4 is supplied to a constant depth at any location.
【００２９】スクレーパ７は鋭いエッジがあり、ポット
５上で溢れた接着剤４をスキージしポット５中のどの場
所でも一定深さの接着剤４を供給する。ここで接着剤４
をスキージする場合、接着剤４を真空又は加圧状態中で
スキージし、気泡の混入を防ぎ接着剤４の品質低下を押
えた。The scraper 7 has a sharp edge and squeegee the adhesive 4 overflowing on the pot 5 to supply a constant depth of adhesive 4 to any location in the pot 5. Here glue 4
When squeegeeing the adhesive 4, the adhesive 4 was squeegeeed in a vacuum or pressurized state to prevent air bubbles from entering and reduce the quality of the adhesive 4.
【００３０】図２に於いて、接着剤４はシリンジ１によ
り吐出され、ポット５上に盛られる。図３の状態でスク
レーパ７によりポット５上で溢れた接着剤４をスキージ
しポット５中のどの場所でも一定深さの接着剤４を供給
する。In FIG. 2, adhesive 4 is discharged from a syringe 1 and placed on a pot 5. In the state shown in FIG. 3, the overflowing adhesive 4 on the pot 5 is squeegeeed by the scraper 7, and the adhesive 4 is supplied to a constant depth anywhere in the pot 5.
【００３１】図１に示されているように、塗布用ピン９
はポット５中のどの深さＴでも自由に止められる。As shown in FIG. 1, the application pin 9
can be freely stopped at any depth T in the pot 5.
【００３２】粘度変化に対して定量塗布を行なう場合は
、ポット５中での塗布基体である塗布用ピン９の沈み深
さを変える。例えば、接着剤４の粘度が低い場合はぬれ
性が良くピンに付着し易いので、ポット５中での塗布基
体である塗布用ピン９の沈み深さを浅くした状態で接着
剤４を付着させた後、被着体１７に転写塗布する事で定
量塗布が達成される。又、接着剤４の粘度が高い場合は
、ぬれ性が悪くピンに付着し難いので、ポット５中での
塗布基体である塗布用ピン９の沈み深さを深くした状態
で接着剤４を付着させた後、被着体１７に転写塗布する
ことで定量塗布が達成される。[0032] When performing fixed-quantity coating with respect to viscosity changes, the sinking depth of the coating pin 9, which is the coating base, in the pot 5 is changed. For example, when the viscosity of the adhesive 4 is low, it has good wettability and easily adheres to the pin, so the adhesive 4 is applied with the application pin 9, which is the application base, in the pot 5 with a shallow depression depth. After that, quantitative coating is achieved by transfer coating onto the adherend 17. In addition, if the adhesive 4 has a high viscosity, it has poor wettability and is difficult to adhere to the pin, so the adhesive 4 is applied with the application pin 9, which is the application base, depressed deep in the pot 5. After this, quantitative coating is achieved by transfer coating onto the adherend 17.
【００３３】この塗布方法において、塗布量の増減を行
うときは、ポット５中で塗布基体である塗布用ピン９が
接着剤４中に浸液している時間は一定に固定しておき、
被着体１７上で塗布基体である塗布用ピン９が転写塗布
している時間を変える。塗布量を増加させたい場合の塗
布は、ポット５中で塗布基体である塗布用ピン９を接着
剤４中に浸液後被着体１７上で転写塗布している時間を
長くし塗布量を増加させる。塗布量を減少させたい場合
の塗布は、ポット５中で塗布基体である塗布用ピン９を
接着剤４中に浸液後、被着体１７上で塗布基体である塗
布用ピン９が転写塗布している時間を短くし、塗布量を
減少させ塗布量をコントロールすることにより許容範囲
内に塗布量を納めることが出来る。In this coating method, when increasing or decreasing the amount of coating, the time during which the coating pin 9, which is the coating base, is immersed in the adhesive 4 in the pot 5 is fixed at a constant value.
The time during which the coating pin 9, which is a coating base, performs transfer coating on the adherend 17 is changed. If you want to increase the coating amount, increase the coating amount by dipping the coating pin 9, which is the coating base, into the adhesive 4 in the pot 5, and then increasing the time during which transfer coating is performed on the adherend 17. increase. For coating when it is desired to reduce the amount of coating, the coating pin 9, which is the coating base, is immersed in the adhesive 4 in the pot 5, and then the coating pin 9, which is the coating base, transfers the coating onto the adherend 17. By shortening the application time and controlling the amount of application by reducing the amount of application, the amount of application can be kept within the allowable range.
【００３４】図２ではシリンジ１のピストン２の頭に吐
出圧力を測定するセンサ３が取付けられている。同じく
図５ではコーン２０のシャフト１９に回転トルクを測定
するセンサ２１が取付けられている。同じく図３ではス
クレーパ７のシャフト押出し圧力を測定するセンサ８が
取付けられている。In FIG. 2, a sensor 3 for measuring the discharge pressure is attached to the head of the piston 2 of the syringe 1. Similarly, in FIG. 5, a sensor 21 for measuring rotational torque is attached to the shaft 19 of the cone 20. Similarly, in FIG. 3, a sensor 8 for measuring the shaft extrusion pressure of the scraper 7 is attached.
【００３５】この塗布方法で、接着剤４の塗布量は粘度
とほぼ相関関係があるので、接着剤４の初期粘度を計測
する手段として、接着剤吐出機構に圧力センサを備え付
け、圧力より初期粘度を換算する方法も考えられる。
又、接着剤４の経時粘度変化を計測する手段として、撹
拌用コーン２０及びスキージ７に圧力センサ等を備え付
け、圧力より経時粘度変化を換算する方法も考えられる
。これによりタイムリに接着剤４の初期粘度及び経時粘
度変化を計測し、塗布用ピン９の浸液深さ、転写時間に
反映させる事により定量塗布が出来る。In this application method, the amount of the adhesive 4 applied has almost a correlation with the viscosity, so as a means of measuring the initial viscosity of the adhesive 4, a pressure sensor is installed in the adhesive discharging mechanism, and the initial viscosity is determined from the pressure. Another possible method is to convert. Further, as a means for measuring the change in viscosity of the adhesive 4 over time, it is also possible to equip the stirring cone 20 and the squeegee 7 with a pressure sensor, etc., and convert the change in viscosity over time from the pressure. As a result, the initial viscosity and the change in viscosity over time of the adhesive 4 can be measured in a timely manner and reflected in the immersion depth of the application pin 9 and the transfer time, thereby enabling quantitative application.
【００３６】この塗布方法で接着剤４は日中、季節ある
いは熱源の接近等の微小の温度変化により著しい粘度変
化が起こる。この結果、塗布量が大きく変化する事に対
しては、塗布方法を行なう機構全体を温度一定にし粘度
変化をおさえ塗布量が大きく変化するのを防ぎ、又、接
着剤４は湿度が少しでもある場合、ブラッシングが加速
度的に進み粘度が急上昇しワーキングライフが短くなる
傾向にある。この湿気混入防止に対しては、塗布方法を
行なう機構全体にドライアを吹き付けて低湿度状態にし
、定量塗布が出来る様に寄与した。また、図３において
接着剤４をスキージする場合、接着剤４を真空又は加圧
装置６でスキージし気泡の混入を防ぎ、接着剤の品質低
下を押えたため定量塗布が出来る。With this application method, the adhesive 4 undergoes a significant viscosity change due to minute temperature changes during the day, season, or proximity to a heat source. As a result, in order to prevent large changes in the amount of application, the temperature of the entire mechanism for performing the application method is kept constant, suppressing changes in viscosity and preventing large changes in the amount of application. In this case, brushing progresses at an accelerated rate, the viscosity increases rapidly, and the working life tends to be shortened. To prevent this moisture from entering, we sprayed the entire mechanism that performs the coating method with a dryer to create a low humidity state, which contributed to the ability to apply a fixed amount. Further, when the adhesive 4 is squeegeeed in FIG. 3, the adhesive 4 is squeegeeed with a vacuum or pressure device 6 to prevent air bubbles from being mixed in and reduce the quality of the adhesive, so that a fixed amount can be applied.
【００３７】図４で、塗布用ピン９により転写塗布され
た接着剤４の塗布量計測は、赤外線カメラ１３，１４に
より行なわれる。赤外線カメラ１４は被着体１７上の接
着剤４の高さを撮影する。撮影された赤外線映像は、画
像処理装置１５で高さを計測しデータが演算装置１６に
取り込まれる。同じく赤外線カメラ１３でも同じ様に接
着剤４の直径が計測されデータが演算装置１６に取り込
まれる。演算装置１６に取り込まれた高さと直径のデー
タにより塗布された体積が計算される。二点の転写塗布
を行なう場合は一点目を転写後塗布量を計測し二点目は
、浸液時間又は、転写時間を変え塗布量をコントロール
することにより許容範囲内に塗布量を納める事が出来る
。ここで赤外線カメラ１３，１４を用いたのは、赤外線
カメラ１３，１４であれば温度が同じでも材質により放
射率が異なるので赤外線映像としてはっきりと撮影出来
る。なお、通常のＴＶカメラでも照明等を工夫すること
により可能である。In FIG. 4, the amount of adhesive 4 transferred and applied by application pin 9 is measured using infrared cameras 13 and 14. The infrared camera 14 photographs the height of the adhesive 4 on the adherend 17. The height of the photographed infrared image is measured by the image processing device 15, and the data is taken into the arithmetic device 16. Similarly, the diameter of the adhesive 4 is measured using the infrared camera 13, and the data is taken into the arithmetic unit 16. The applied volume is calculated from the height and diameter data input into the arithmetic unit 16. When performing two-point transfer coating, measure the coating amount after transferring the first point, and control the coating amount by changing the immersion time or transfer time for the second point to keep the coating amount within the allowable range. I can do it. The reason why the infrared cameras 13 and 14 were used here is that even if the temperature is the same, the emissivity differs depending on the material, so the infrared cameras can clearly capture an infrared image. Note that this can also be done with a normal TV camera by adjusting the lighting, etc.
【００３８】図５では、非ニュートン流体である接着剤
４のチキソトロピをコーン２０により撹拌する事で低下
させる図を示したものである。コーン２０はシャフト１
９に取付けられており、回転が伝達される。ここで接着
剤４を撹拌する場合、接着剤４を真空又は加圧装置１８
によって撹拌し気泡の混入を防ぎ、接着剤４の品質低下
を押えた。FIG. 5 shows a diagram in which the thixotropy of the adhesive 4, which is a non-Newtonian fluid, is reduced by stirring it with the cone 20. Cone 20 is shaft 1
9, and rotation is transmitted. When stirring the adhesive 4 here, the adhesive 4 is stirred by a vacuum or pressure device 18.
Stirring was performed to prevent air bubbles from being mixed in, thereby suppressing deterioration in the quality of the adhesive 4.
【００３９】図６ないし図８では、接着剤４が付着した
塗布用ピン９とコーン２０，スクレーパ７のクリーニン
グ方法を示す。6 to 8 show a method of cleaning the applicator pin 9, cone 20, and scraper 7 to which the adhesive 4 has adhered.
【００４０】図６は塗布用ピンのクリーニング方法を示
す。拭取部品２２には支持体に剛性の高いナイロン毛２
３が取付けられている。塗布用ピン９はこの拭取部品２
２中の剛性の高いナイロン毛２３間を高速で移動する。
よって、塗布用ピン９に付着した接着剤４がナイロン毛
２３によって拭き取られクリーニングされる。これによ
り塗布用ピン９は使用毎にクリーニングされるので接着
剤４の付着残りがなくなり、同じ条件で使用されるので
後作業時塗布に悪影響を及ぼす要因がなくなる。FIG. 6 shows a method of cleaning the application pin. The wiping component 22 has highly rigid nylon bristles 2 as a support.
3 is installed. The application pin 9 is connected to this wiping part 2.
It moves at high speed between the highly rigid nylon bristles 23 in 2. Therefore, the adhesive 4 adhering to the application pin 9 is wiped off by the nylon bristles 23 and cleaned. As a result, the coating pin 9 is cleaned every time it is used, so there is no adhesive 4 left on it, and since it is used under the same conditions, there are no factors that adversely affect coating during post-work.
【００４１】図７ではコーン２０のクリーニング方法を
示す。無塵フォーム２６は供給ボビン２４に巻かれてお
り、巻取ボビン２５はテンションローラ２７を介してセ
ットされている。アセトン等の溶剤２８は液滴滴下装置
２９より滴下され供給ボビン２４の手前の位置に配置さ
れている。ここで巻取ボビン２５を図の矢印方向に回転
させると、無塵フォーム２６はテンションローラ２７を
介してテンションを付けたまま供給ボビン２４より送ら
れてくる。供給ボビン２４が動き出すとアセトン等の溶
剤２８が液滴として滴下されてくる。アセトン等の溶剤
２８を含んだ無塵フォーム２６がテンションローラ２７
間迄来ると、接着剤４が付着したコーン２０が降下し無
塵フォーム２６にテンションがかかる。この状態でシャ
フト１９を回転させコーン２０を回転し、接着剤４が拭
き取られるまで巻取ボビン２５を回転し、アセトン等の
溶剤２８を含んだ無塵フォーム２６を送り込む。これに
よりコーン２０は使用毎にクリーニングされるので、接
着剤４の付着残りがなくなり、同じ条件で使用されるの
で後作業時に塗布に悪影響を及ぼす要因がなくなる。FIG. 7 shows a method of cleaning the cone 20. The dust-free foam 26 is wound around a supply bobbin 24, and a take-up bobbin 25 is set via a tension roller 27. A solvent 28 such as acetone is dropped from a droplet dropping device 29 and placed in front of the supply bobbin 24 . When the take-up bobbin 25 is rotated in the direction of the arrow in the figure, the dust-free foam 26 is fed from the supply bobbin 24 with tension applied to it via the tension roller 27. When the supply bobbin 24 starts moving, a solvent 28 such as acetone is dripped as droplets. A dust-free foam 26 containing a solvent 28 such as acetone is applied to a tension roller 27.
When the cone 20 to which the adhesive 4 is attached descends, tension is applied to the dust-free foam 26. In this state, the shaft 19 is rotated to rotate the cone 20, the winding bobbin 25 is rotated until the adhesive 4 is wiped off, and the dust-free foam 26 containing a solvent 28 such as acetone is fed. As a result, the cone 20 is cleaned every time it is used, so there is no remaining adhesive 4, and since it is used under the same conditions, there are no factors that will adversely affect the application during post-work.
【００４２】図８ではスクレーパ７のクリーニング方法
を示す。なお、アセトン等の溶剤２８は、接着剤等を使
用する場合は局所排気等を設置し安全衛生に気を付けな
ければならない。FIG. 8 shows a method of cleaning the scraper 7. Note that if the solvent 28 such as acetone is used with an adhesive or the like, care must be taken to ensure safety and health by installing a local exhaust system.
【００４３】[0043]
【発明の効果】本発明によれば、非常に少ない量の接着
剤塗布がばらつきなく定量塗布出来るので、微小部品の
接着固定において接着剤が多すぎることによる所定箇所
以外への接着剤のはみだし、あるいは、少なすぎる為の
接着強度不足といった様な不良発生がなくなり、接着信
頼性を向上させる事が出来る。[Effects of the Invention] According to the present invention, a very small amount of adhesive can be applied at a constant rate without variation, so that when bonding and fixing minute parts, there is no possibility of the adhesive spilling out to other than the designated areas due to too much adhesive being applied. Alternatively, defects such as insufficient bonding strength due to too little amount are eliminated, and bonding reliability can be improved.
【００４４】又、請求項１によれば、塗布用ピンは、ポ
ット中に浸液し粘度の急激な上昇を押えた接着剤を付着
させた後、被着体に転写塗布する。これにより塗布用ピ
ンその他はクリーニングされているので連続的に被着体
に超微量の定量塗布が出来る。According to the first aspect of the invention, the coating pin is immersed in a pot to adhere the adhesive that suppresses a rapid increase in viscosity, and then transfer-coats the adhesive onto the adherend. This cleans the application pin and other parts, so it is possible to continuously apply a very small amount of the product to the adherend.
【００４５】請求項２によれば、接着剤の粘度が低い場
合はぬれ性が良くピンに付着し易いので、ポット中での
塗布基体である塗布用ピンの沈み深さを浅くした状態で
接着剤を付着させた後、被着体に転写塗布することで定
量塗布が達成される。又、接着剤の粘度が高い場合は、
ぬれ性が悪くピンに付着し難いので、ポット中での塗布
基体である塗布用ピンの沈み深さを深くした状態で接着
剤を付着させた後、被着体に転写塗布する事で定量塗布
が達成される。According to claim 2, when the viscosity of the adhesive is low, it has good wettability and easily adheres to the pin, so the adhesive is bonded with a shallow sinking depth of the application pin, which is the application base, in the pot. After applying the agent, quantitative application is achieved by transferring the agent to the adherend. Also, if the viscosity of the adhesive is high,
Since the adhesive has poor wettability and is difficult to adhere to the pin, it is possible to apply a fixed amount by applying the adhesive by sinking the application pin, which is the application base, deep in the pot, and then transferring it to the adherend. is achieved.
【００４６】請求項３によれば、二点の転写塗布を行な
う場合は一点目を転写後塗布量を計測し二点目は、転写
時間を変え塗布量をコントロールする事により許容範囲
内に塗布量を納める。例えば、一点目を転写後塗布量を
計測し量が少なかった時は二点目の塗布量を多くする。
この場合の二点目の塗布はポット中で塗布基体である塗
布用ピンを接着剤中に浸液後、被着体上で転写塗布して
いる時間を長くし塗布量を増加させる。又、一点目を転
写後塗布量を計測し量が多かった時は二点目の塗布量を
少なくする。この場合の二点目の塗布はポット中で塗布
基体である塗布用ピンを接着剤中に浸液後、被着体上で
塗布基体である塗布用ピンが転写塗布している時間を短
くし、塗布量を減少させ塗布量をコントロールする事に
より許容範囲内に塗布量を納めるが達成される。According to claim 3, when transfer coating is performed at two points, the coating amount is measured after transfer at the first point, and the coating amount is controlled at the second point by changing the transfer time to ensure that the coating is applied within an allowable range. pay the amount. For example, the coating amount for the first point is measured after transfer, and if the amount is small, the coating amount for the second point is increased. In this case, for the second application, the application pin, which is the application base, is immersed in the adhesive in the pot, and then the transfer application time on the adherend is prolonged to increase the amount of application. Also, measure the coating amount after transferring the first point, and if the amount is too large, reduce the coating amount for the second point. In this case, the second application is done by immersing the coating pin, which is the coating base, into the adhesive in the pot, and then shortening the time that the coating pin, which is the coating base, is transferring and coating on the adherend. By reducing the amount of application and controlling the amount of application, it is possible to keep the amount of application within an acceptable range.
【００４７】又、この方法はポット中で塗布基体である
塗布用ピンが接着剤中に浸液している時間を増減させる
事、又は、塗布基体である塗布用ピンの直径の大きさを
増減させる事でも達成される。This method also involves increasing or decreasing the time that the coating pin, which is the coating base, is immersed in the adhesive in the pot, or increasing or decreasing the diameter of the coating pin, which is the coating base. It can also be achieved by letting
【００４８】請求項４によれば、接着剤の塗布量は粘度
とほぼ相関関係がある。接着剤の粘度を計測する手段は
、接着剤吐出機構に圧力センサを備え付け、圧力より初
期粘度を換算する方法も考えられる。又、接着剤の経時
粘度変化を計測する手段として、撹拌用コーン及びスキ
ージに圧力センサ等を備え付け圧力より経時粘度変化を
換算する方法も考えられる。According to claim 4, the amount of adhesive applied is almost correlated with the viscosity. A possible means for measuring the viscosity of the adhesive is to equip the adhesive discharge mechanism with a pressure sensor and convert the initial viscosity from the pressure. Furthermore, as a means of measuring the change in viscosity of the adhesive over time, a method of equipping a stirring cone and a squeegee with a pressure sensor or the like and converting the change in viscosity over time based on the pressure may be considered.
【００４９】請求項５によれば接着剤は日中、季節ある
いは熱源の接近等の微小の温度変化により著しい粘度変
化が起こる。この結果、塗布量が大きく変化する事に対
しては、粘度変化をおさえ塗布量が大きく変化するのを
防ぎ定量塗布が出来る様にした。According to claim 5, the adhesive undergoes a significant viscosity change due to minute temperature changes during the day, season, or proximity to a heat source. As a result, the viscosity change is suppressed to prevent large changes in the amount of application, and it is possible to apply a fixed amount.
【００５０】請求項６によれば、接着剤は、湿度が少し
でもある場合、ブラッシングが加速度的に進み粘度が急
上昇しワーキングライフが短くなる傾向にある。この湿
気混入防止対策を行い定量塗布が出来る様にした。According to claim 6, when there is even a small amount of humidity, brushing of the adhesive tends to proceed at an accelerated pace, the viscosity increases rapidly, and the working life of the adhesive tends to be shortened. We took measures to prevent this moisture from entering and made it possible to apply a fixed amount.
【００５１】請求項７によれば、気泡の混入を防ぎ、接
着剤の品質低下を押えた事により定量塗布が出来る様に
した。According to claim 7, the mixture of air bubbles is prevented and deterioration in the quality of the adhesive is suppressed, thereby making it possible to apply a fixed amount.
【図１】接着剤浸液方法の説明図、[Figure 1] Explanatory diagram of adhesive immersion method,
【図２】接着剤吐出方法の説明図、[Fig. 2] An explanatory diagram of an adhesive dispensing method,
【図３】接着剤スキージの系統図、[Figure 3] System diagram of adhesive squeegee,
【図４】接着剤転写の説明図、[Fig. 4] Explanatory diagram of adhesive transfer,
【図５】接着剤撹拌方法の説明図、[Fig. 5] An explanatory diagram of the adhesive stirring method,
【図６】ピンクリーニング方法の説明図、[Fig. 6] An explanatory diagram of the pin cleaning method,
【図７】コー
ンクリーニング方法の説明図、[Fig. 7] An explanatory diagram of a cone cleaning method,
【図８】スクレーパクリ
ーニング方法の説明図。FIG. 8 is an explanatory diagram of a scraper cleaning method.
４…接着剤、５…ポット、９…塗布用ピン。 4... Adhesive, 5... Pot, 9... Application pin.
Claims (7)
基体である塗布用ピンと、一定量以上の体積の前記接着
剤を一定深さの凹処形状をした内部に溜める事が出来る
ポットと、非ニュートン流体である前記接着剤のチキソ
トロピをコーンを回転することにより撹拌し、前記コー
ンに付着した前記接着剤を溶剤を染み込ませワイプする
無塵フォームと、一定した体積の前記接着剤にスクレー
パでスキージし、スクレーパに付着した前記接着剤を無
塵フォームに溶剤を染み込ませワイプし、連続して前記
塗布用ピンをクリーニングして使用出来るように前記接
着剤を拭取ることを特徴とする接着剤塗布方法。[Claim 1] An application pin which is a coating base capable of applying an ultra-trace amount of adhesive, and an application pin capable of storing a certain amount or more of the adhesive in a concave shape with a certain depth. a pot, a dust-free foam in which the thixotropy of the adhesive, which is a non-Newtonian fluid, is stirred by rotating a cone, and the adhesive adhering to the cone is impregnated with a solvent and wiped; and a constant volume of the adhesive. squeegee with a scraper, wipe the adhesive adhered to the scraper by impregnating a solvent with dust-free foam, and continuously cleaning the applicator pin to wipe off the adhesive so that it can be used again. Adhesive application method.
に対して定量塗布を行なう場合は、前記ポット中での前
記塗布基体である前記塗布用ピンの沈み深さを変える接
着剤塗布方法。2. An adhesive application method according to claim 1, in which the depth of sinking of the application pin, which is the application base, in the pot is changed when applying a fixed amount in response to a change in the viscosity of the adhesive. .
きは、前記ポット中で前記塗布基体である前記塗布用ピ
ンが前記接着剤中に浸液している時間、被着体上で前記
塗布基体である前記塗布用ピンが転写塗布している時間
又は、前記塗布用ピンの直径を変える接着剤塗布方法。3. In claim 1, when increasing or decreasing the amount of coating, the coating amount is increased or decreased on the adherend during the time that the coating pin, which is the coating base, is immersed in the adhesive in the pot. An adhesive coating method that changes the time during which the coating pin, which is the coating substrate, performs transfer coating or the diameter of the coating pin.
及び経時粘度変化を計測し、前記塗布用ピンの浸液深さ
，転写，浸液時間に反映させる接着剤塗布方法。4. The adhesive application method according to claim 1, wherein the initial viscosity and the change in viscosity of the adhesive over time are measured and reflected in the immersion depth, transfer, and immersion time of the application pin.
した接着剤塗布方法。5. The adhesive application method according to claim 1, wherein the temperature of the entire mechanism is kept constant.
を吹き付けて低湿度状態にした接着剤塗布方法。6. The adhesive application method according to claim 1, wherein dry air is blown over the entire mechanism to create a low humidity condition.
場合、前記接着剤を真空又は加圧状態中におき、又、前
記接着剤をスキージする場合、前記接着剤を真空又は加
圧状態中でスキージする接着剤塗布方法。7. In claim 1, when the adhesive is stirred, the adhesive is placed in a vacuum or pressurized state, and when the adhesive is squeegeeed, the adhesive is placed in a vacuum or pressurized state. Adhesive application method using a squeegee inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13401491A JPH04358570A (en) | 1991-06-05 | 1991-06-05 | Coating method for adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13401491A JPH04358570A (en) | 1991-06-05 | 1991-06-05 | Coating method for adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04358570A true JPH04358570A (en) | 1992-12-11 |
Family
ID=15118360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13401491A Pending JPH04358570A (en) | 1991-06-05 | 1991-06-05 | Coating method for adhesive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04358570A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272202A (en) * | 2005-03-30 | 2006-10-12 | Nec Corp | Coater and method for detecting coating error |
| JP2010074029A (en) * | 2008-09-22 | 2010-04-02 | Fuji Mach Mfg Co Ltd | Device and method for inspection of flux transfer quality |
| JP2016016370A (en) * | 2014-07-09 | 2016-02-01 | ヤマハ発動機株式会社 | Coating device |
-
1991
- 1991-06-05 JP JP13401491A patent/JPH04358570A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272202A (en) * | 2005-03-30 | 2006-10-12 | Nec Corp | Coater and method for detecting coating error |
| JP2010074029A (en) * | 2008-09-22 | 2010-04-02 | Fuji Mach Mfg Co Ltd | Device and method for inspection of flux transfer quality |
| JP2016016370A (en) * | 2014-07-09 | 2016-02-01 | ヤマハ発動機株式会社 | Coating device |
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