JP2010247073A - Adhesive coating apparatus - Google Patents

Adhesive coating apparatus Download PDF

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JP2010247073A
JP2010247073A JP2009099590A JP2009099590A JP2010247073A JP 2010247073 A JP2010247073 A JP 2010247073A JP 2009099590 A JP2009099590 A JP 2009099590A JP 2009099590 A JP2009099590 A JP 2009099590A JP 2010247073 A JP2010247073 A JP 2010247073A
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adhesive
sealed container
container
hose
pressure
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JP5419528B2 (en
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Shinya Haneda
真也 羽田
Kunihiro Onishi
邦弘 大西
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Konishi Co Ltd
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Konishi Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To smoothly discharge an adhesive inside a pressure tank by a small pressure, and to quickly switch the discharge and stop of the adhesive to be coated. <P>SOLUTION: In an adhesive coating apparatus comprising a deformable sealed container 6 filled with the adhesive, the pressure tank 1 for housing the sealed container, a hose 10 connecting a discharge part 11 equipped on the outer side of the pressure tank and the sealed container, and a pressurizing device 4 into the pressure tank, an aqueous adhesive is filled in the sealed container 6, the tip end of the hose 10 connected to the sealed container 6 is connected to a spray gun 11, and a flange-like reinforcing part 8 for regulating deformation during shrinkage is provided to the wall surface on the outer side of the hose attaching part of the sealed container 6. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は、接着剤を充填させた変形可能な密閉容器、密閉容器を収容する加圧タンク、加圧タンクの外側に配備した吐出部と密閉容器とを連結するホース、加圧タンク内への加圧装置とからなる接着剤塗布装置に関するものである。 The present invention relates to a deformable sealed container filled with an adhesive, a pressurized tank that houses the sealed container, a hose that connects the discharge unit disposed outside the pressurized tank and the sealed container, The present invention relates to an adhesive application device comprising a pressure device.

この種の接着剤塗布装置としては、特許文献1に開示された装置がある。
この公知の塗布装置は、加圧タンク内の空気に圧力を加えることによって密閉容器を収縮変形させ密閉容器に充填しているゴム系の接着剤を吐出し、塗布ノズルからスピーカーなどの小型の部品に精度よく定量の接着剤を塗布せんとしたものである。
As this type of adhesive coating apparatus, there is an apparatus disclosed in Patent Document 1.
This known applicator applies pressure to the air in the pressurized tank to shrink and deform the sealed container and discharge the rubber-based adhesive filled in the sealed container. In this case, a certain amount of adhesive is applied accurately.

しかしながら、この装置は、密閉容器に粘度の高いゴム系の接着剤を充填し、加圧タンク内の気体を加圧することによってこの容器を変形収縮させることを予定しているため、加圧タンク内の圧力を極めて高くする必要があり、それに対応してタンク強度を高めなければならないことになる。
出願人は、厚さ0.04mmのポリエチレン製の袋に(a)低粘度の接着剤(100mPa・s)を充填したものと(b)高粘度の接着剤(9000mPa・s)を充填したものとを用意し、これらを特許文献1の図1に示したように、加圧タンク内の底部に収容してホースを連結させた後、タンク内に0.2メガパスカル(MPa)の圧力を付与して接着剤の吐出実験を行なった。
しかしながら、(a)については接着剤の吐出がみられたもののその吐出量は少量で吐出力も弱いものであった(後述の表−1の比較例5参照)。また、(b)については接着剤をタンク外へ吐出させることはできなかった(表−1の比較例12参照)。
However, this device is intended to deform and shrink the container by filling the sealed container with a high viscosity rubber adhesive and pressurizing the gas in the pressurized tank. The pressure of the tank must be extremely high, and the tank strength must be increased accordingly.
Applicant made a 0.04 mm thick polyethylene bag filled with (a) low-viscosity adhesive (100 mPa · s) and (b) filled with high-viscosity adhesive (9000 mPa · s) As shown in FIG. 1 of Patent Document 1, these are housed in the bottom of the pressurized tank and the hose is connected, and then a pressure of 0.2 megapascal (MPa) is applied to the tank. An adhesive discharge experiment was conducted.
However, for (a), although the adhesive was discharged, the discharge amount was small and the discharge force was weak (see Comparative Example 5 in Table 1 described later). Moreover, about (b), the adhesive agent was not able to be discharged out of a tank (refer the comparative example 12 of Table-1).

また、この公知技術では、加圧タンク内に圧力を付与すると、変形可能な容器が均等に自在に変形するとしている。しかしながら、容器はタンクの底部に置かれていて、しかも接着剤の自重が容器に掛かるため、容器の変形が上部側から生じることは明らかで、不均一とならざるを得ない。
上記の(a)についての実験において、タンク内に0.1MPaの圧力を付与すると同時にホースの先端側から0.2MPaの圧力で吸引をしたところ、接着剤は当初円滑に吐出したものの、しばらくして袋のホース取付け部近傍の膜体がホースとの連結部を閉塞し吐出不能となった。
この実験結果は、タンク内に圧力を加えても容器に対して均等に圧力が掛からないことを示している。
Further, in this known technique, when a pressure is applied to the pressurized tank, the deformable container is uniformly and freely deformed. However, since the container is placed at the bottom of the tank and the weight of the adhesive is applied to the container, it is clear that the deformation of the container occurs from the upper side, which must be non-uniform.
In the experiment on (a) above, when a pressure of 0.1 MPa was applied to the tank and suction was performed at a pressure of 0.2 MPa from the tip of the hose, the adhesive was initially discharged smoothly, but after a while. The film body near the hose attachment part of the bag closed the connecting part with the hose, making it impossible to discharge.
This experimental result shows that even if pressure is applied to the tank, the pressure is not applied evenly to the container.

仮に、高い圧力を付与して接着剤が吐出できたとしても、この塗布方式は、小型の部品など、小面積への塗布には適しているものの、合板などの広い面積に接着剤を塗布するには不向きである。しかも、接着剤の吐出量は圧力やバルブの切換によってある程度調整できるものの、停止と吐出との切換を迅速に行なえない不都合もある。 Even if high pressure can be applied and the adhesive can be discharged, this coating method is suitable for small areas such as small parts, but the adhesive is applied to a large area such as plywood. Not suitable for. Moreover, although the discharge amount of the adhesive can be adjusted to some extent by switching the pressure and the valve, there is a disadvantage that switching between the stop and the discharge cannot be performed quickly.

特開平8−215628号公報JP-A-8-215628

本発明は、接着剤を充填させた変形可能な密閉容器、密閉容器を収容する加圧タンク、加圧タンクの外側に配備した吐出部と密閉容器とを連結するホース、加圧タンク内への加圧装置とからなる接着剤塗布装置において、小さな圧力で加圧タンク内の接着剤を円滑に吐出させると共に、塗布する接着剤の吐出、停止の切換を迅速に行なえるようにすることを課題としたものである。 The present invention relates to a deformable sealed container filled with an adhesive, a pressurized tank that houses the sealed container, a hose that connects the discharge unit disposed outside the pressurized tank and the sealed container, In an adhesive application device comprising a pressure device, it is possible to smoothly discharge the adhesive in the pressure tank with a small pressure and to quickly switch between discharging and stopping the applied adhesive. It is what.

この技術的課題を解決するための第一の技術的手段は、イ)密閉容器に水性接着剤を充填し、(ロ)密閉容器に連結したホースの先端をスプレーガンに連結させ、(ハ)密封容器のホース取り付け部の外側の壁面に収縮時の変形を規制する鍔状の補強部を設けたこと、である。
第二の技術的手段は、ホースと密閉容器及び/又はスプレーガンとを継手を介して着脱容易に取り付けたことであり、第三の技術的手段は、密閉容器壁のホース取付け部の外側に取付け部の中心軸と平行又は斜め方向に線状の補強部を形成したことである。
第四の技術的手段は、密閉容器をボックス型となし、補強部が対面する少なくとも一対の側壁の対角線上を通過するリング状のもので形成したことである。
The first technical means for solving this technical problem is: (a) filling the sealed container with a water-based adhesive; (b) connecting the tip of the hose connected to the sealed container to the spray gun; That is, a wall-shaped outer wall of the hose attachment portion of the sealed container is provided with a bowl-shaped reinforcing portion that restricts deformation upon contraction.
The second technical means is that the hose and the sealed container and / or the spray gun are easily attached and detached via a joint, and the third technical means is provided outside the hose attachment portion of the sealed container wall. It is that the linear reinforcement part was formed in the parallel or diagonal direction with the central axis of the attachment part.
A fourth technical means is that the sealed container is formed in a box shape and is formed in a ring shape that passes on diagonal lines of at least a pair of side walls facing the reinforcing portion.

第一の技術的手段において、密閉容器に充填された水性接着剤は、空気との接触が遮断されゲル化させることなく最後まで液状のまま使用することができる。密閉容器に連結したホースの先端にはスプレーガンが連結されているから、加圧タンクの加圧とスプレーガンの吸引とが相乗的に働き、タンク内への加圧を小さくしても密閉容器からスプレーガンへの接着剤の吐出を円滑に行なわせることができる。しかも加圧と吐出とを同調して行なえるため、吐出及び停止の切換を迅速に行なうことができる。
密封容器のホース取り付け部の外側の壁面には鍔状の補強部が設けられていて、容器が収縮してもその部分の変形が規制されるから、容器は他の部分から変形を開始する。したがって、ホースの取付け部が変形した容器壁によって閉塞されず、接着剤は円滑に吐出することになる。
In the first technical means, the water-based adhesive filled in the sealed container can be used in a liquid state until the end without contact with air and gelation. Since the spray gun is connected to the tip of the hose connected to the sealed container, the pressurization of the pressurized tank and the suction of the spray gun work synergistically. It is possible to smoothly discharge the adhesive to the spray gun. Moreover, since pressurization and discharge can be performed synchronously, switching between discharge and stop can be performed quickly.
Since a wall-like reinforcing portion is provided on the outer wall surface of the hose attachment portion of the sealed container and deformation of the portion is restricted even if the container contracts, the container starts to deform from other portions. Therefore, the attachment portion of the hose is not blocked by the deformed container wall, and the adhesive is smoothly discharged.

第二の技術的手段においては、密閉容器とスプレーガンのいずれか又はその双方に対し、継手を利用してホースを着脱容易に取り付けているから、接着剤の補充や交換、スプレーガンを取り替え或いは洗浄する際の作業を簡単に行なうことができる。
第三の技術的手段においては、密閉容器壁のホース取付け部の外側に取付け部の中心軸に対して平行又は斜め方向に線状の補強部が形成されているから、接着剤の吐出に伴なって生じる密閉容器の変形が補強部以外の部分から始まることになる。したがって、容器壁がホースの取付け部側へ撓んでホースの開口部を閉塞するのが防止され、容器内の接着剤のほぼ全量を吐出させることができる。
この場合、密閉容器をボックス型となし、対面する少なくとも一対の側壁の対角線上を通過するリング状の補強部を形成しておくと、上記の作用を奏する他、密閉容器のタンク内での据わりがよい。この容器をバッグインボックスタイプにしておくと、容器を外箱に入れたまま取り扱うことができ、加圧タンク内への出し入れが容易となる利点がある。
In the second technical means, the hose is easily attached and detached using a joint to either or both of the sealed container and the spray gun. The work at the time of washing can be performed easily.
In the third technical means, a linear reinforcing portion is formed on the outer side of the hose mounting portion of the hermetic container wall in a direction parallel or oblique to the central axis of the mounting portion. Thus, the deformation of the sealed container starts from a portion other than the reinforcing portion. Therefore, it is possible to prevent the container wall from bending toward the hose attachment portion side and closing the opening portion of the hose, and almost all of the adhesive in the container can be discharged.
In this case, if the sealed container is a box shape and a ring-shaped reinforcing portion that passes on the diagonal line of at least one pair of side walls facing each other is formed, in addition to the above effects, the sealed container is installed in the tank. Is good. If this container is made into a bag-in-box type, there is an advantage that the container can be handled while being put in the outer box, and it can be easily taken into and out of the pressurized tank.

密閉容器は、ポリエチレンやポリプロピレンなどの柔軟な樹脂で形成したものを好適に使用することができる。また、容器の肉厚は、材料にもよるが0.04〜0.4mmのものを使用することによって低圧でも容易に収縮変形させることができる。
密閉容器は袋状であってもボックス型であってもよい。後者の場合に、図3に示したように容器壁の一部を内側へ凹ませて壁同志を重合させておくことによって、容器内の空気の滞留をなくせるから、接着剤を充填する際に接着剤の空気との接触をほとんど生じさせない利点がある。
鍔状の補強部や線状の補強部は、容器の肉厚を変化させることによって容易に形成することができる。また、線状の補強部は、容器の形状、鍔状の補強部の位置などを勘案して配置することが望ましい。
What was formed with flexible resin, such as polyethylene and a polypropylene, can be used suitably for an airtight container. Further, although the thickness of the container depends on the material, it can be easily contracted and deformed even at a low pressure by using a container having a thickness of 0.04 to 0.4 mm.
The sealed container may be bag-shaped or box-shaped. In the latter case, as shown in FIG. 3, a portion of the container wall is recessed inward so that the walls are polymerized to eliminate the retention of air in the container. Has the advantage of hardly causing contact of the adhesive with the air.
The hook-shaped reinforcing portion and the linear reinforcing portion can be easily formed by changing the thickness of the container. Further, it is desirable that the linear reinforcing portion be disposed in consideration of the shape of the container, the position of the bowl-shaped reinforcing portion, and the like.

小さな圧力で加圧タンク内の接着剤を円滑に吐出させられる結果、加圧タンクを大掛かりなものにする必要はなく、従来使用されていたタンクをそのまま転用することができる利点がある。
また、塗布する接着剤の吐出、停止の切換を迅速に行なえるため、スプレーガンを用いた接着剤の塗布作業を円滑に行なうことができ、作業効率を高められる利点もある。
As a result of smoothly discharging the adhesive in the pressurized tank with a small pressure, it is not necessary to make the pressurized tank large, and there is an advantage that a conventionally used tank can be used as it is.
In addition, since it is possible to quickly switch between discharge and stop of the adhesive to be applied, it is possible to smoothly perform the operation of applying the adhesive using a spray gun, and there is an advantage that work efficiency can be improved.

本発明に係る接着剤塗布装置の概要説明図Outline explanatory drawing of adhesive applicator according to the present invention 密閉容器の実施例における正面図Front view in an embodiment of a sealed container 密閉容器を凹ませた状態図State diagram with recessed sealed container

1加圧タンク、 2加圧タンクの蓋体、 3、13コンプレッサーの空気供給管、 4コンプレッサー、 5圧力計、 6、16接着剤充填用密閉容器、 7、12継手、 8鍔状補強部、 10ホース、 11スプレーガン、17容器の線状補強 1 pressurized tank, 2 pressurized tank lid, 3, 13 compressor air supply pipe, 4 compressor, 5 pressure gauge, 6, 16 sealed container for filling adhesive, 7, 12 joint, 8 hook-shaped reinforcement, 10 hose, 11 spray gun, 17 container linear reinforcement

図1は本発明に係る装置の概要説明図である。
金属製の加圧タンク1はその上部開口部に蓋体2を配置し、図示しない公知の固定機構によってタンク本体1に固定するようにしている。
タンク1内には、コンプレッサー4から供給管3によって空気が供給され、タンク内の圧力は圧力計5によって確認できるようにしている。
FIG. 1 is a schematic explanatory diagram of an apparatus according to the present invention.
The metal pressure tank 1 is provided with a lid 2 at its upper opening, and is fixed to the tank body 1 by a known fixing mechanism (not shown).
Air is supplied from the compressor 4 through the supply pipe 3 into the tank 1 so that the pressure in the tank can be confirmed by the pressure gauge 5.

この実施例ではボックス型の密閉容器6に水性接着剤を充填し、タンク1の底部に置いてあり、その上部には継手7を固定すると共にその周囲に設けた鍔状の補強板8を容器6に固着させて一体としている。
タンク1の外に配備したスプレーガン11は、その先端側に継手12が固定してあって、継手7、12の間をホース10で連結している。また、スプレーガン11の後端側は、前記のコンプレッサー4に連結している。本実施例では、タンク1とスプレーガン11とは同じコンプレッサー4の供給管3、13から圧縮空気の供給を受けるようにしているが、互いに異なるコンプレッサーから空気の供給を受けるようにしてもよいのは勿論である。
In this embodiment, a box-type sealed container 6 is filled with a water-based adhesive and placed at the bottom of the tank 1. A joint 7 is fixed to the upper part of the box-type sealed container 6, and a bowl-shaped reinforcing plate 8 is provided around the container. It is fixed to 6 and integrated.
A spray gun 11 arranged outside the tank 1 has a joint 12 fixed to the tip side thereof, and the joints 7 and 12 are connected by a hose 10. The rear end side of the spray gun 11 is connected to the compressor 4. In the present embodiment, the tank 1 and the spray gun 11 are supplied with compressed air from the supply pipes 3 and 13 of the same compressor 4, but may be supplied with air from different compressors. Of course.

表−1は、図1に示した装置を使用し、密閉容器内に(a)低粘度の接着剤(100mPa・s)を充填したものと(b)高粘度の接着剤(9000mPa・s)を充填したものとを用意し、それぞれタンク1内の圧力とスプレーガンに供給する圧縮空気の圧力を変化させて実験をした結果を示したものである。
接着剤のスプレーガンまでの到達欄において、○はスムーズに到達、△は到達するが時間が掛かる、□はなんとか到達するがスプレー作業は不能、×は到達できないことを示している。
また、接着剤の容器からの吐出欄において、○はスムーズにほぼ全量吐出、△はほぼ全量吐出するが吐出が度々中断、×は全量吐出不能を示している。
この実験結果から、加圧タンク内の圧力を小さくしても、スプレーガンと併用することによって容器内の接着剤を円滑に吐出させることが理解できる。
Table 1 uses the apparatus shown in FIG. 1, and (a) a low-viscosity adhesive (100 mPa · s) filled in a sealed container and (b) a high-viscosity adhesive (9000 mPa · s). FIG. 4 shows the results of experiments conducted by changing the pressure in the tank 1 and the pressure of compressed air supplied to the spray gun.
In the arrival column of the adhesive to the spray gun, ◯ indicates that it reaches smoothly, Δ indicates that it reaches, but it takes time, □ somehow reaches but spraying is impossible, and × indicates that it cannot be reached.
Further, in the discharge column from the adhesive container, “◯” indicates that almost all the amount is smoothly discharged, “Δ” indicates that almost all the amount is discharged, but the discharge is frequently interrupted, and “×” indicates that the entire amount cannot be discharged.
From this experimental result, it can be understood that even if the pressure in the pressurized tank is reduced, the adhesive in the container can be smoothly discharged by using it together with the spray gun.

(表−1)

Figure 2010247073
(Table-1)
Figure 2010247073

図2は、請求項4に係る発明において使用する密閉容器16の正面図である。容器タンクに対する線状の補強部は、正面及び背面における対角線を通過し、その上部は下面の左稜線で、下部は底面側の右稜線で連続したものとなっている。
この密閉容器は、接着剤が吐出されると、補強線のない部分、すなわち図2における左右の側面から変形を開始し、次いで正面、背面及び上面及び底面へと変形が拡大し、各稜線から補強部分へと変形し、接着剤は最終的にほぼ全量吐出された。
FIG. 2 is a front view of the sealed container 16 used in the invention according to claim 4. The linear reinforcing part for the container tank passes through diagonal lines on the front and back surfaces, and the upper part is continuous with the left ridge line on the lower surface and the lower part is continuous with the right ridge line on the bottom surface side.
When the adhesive is discharged, the closed container starts to deform from the portion without the reinforcing line, that is, the left and right side surfaces in FIG. 2, and then the deformation expands to the front, back, top, and bottom, and from each ridgeline The adhesive was deformed into a reinforced portion, and almost all of the adhesive was finally discharged.

Claims (4)

接着剤を充填させた変形可能な密閉容器、密閉容器を収容する加圧タンク、加圧タンクの外側に配備した吐出部と密閉容器とを連結するホース、加圧タンク内への加圧装置とからなる接着剤塗布装置において、密閉容器に水性接着剤を充填し、密閉容器に連結したホースの先端をスプレーガンに連結させ、密封容器のホース取り付け部の外側の壁面に収縮時の変形を規制する鍔状の補強部を設けた接着剤塗布装置。 A deformable airtight container filled with an adhesive, a pressure tank that accommodates the airtight container, a hose that connects the discharge unit disposed outside the pressure tank and the airtight container, a pressure device into the pressure tank, and In the adhesive applicator consisting of An adhesive application device provided with a ridge-shaped reinforcing portion. ホースと密閉容器及び/又はスプレーガンとを継手を介して着脱容易に取り付けた請求項1に記載の接着剤塗布装置。 The adhesive application device according to claim 1, wherein the hose and the sealed container and / or the spray gun are easily attached and detached via a joint. 密閉容器壁のホース取付け部の外側に取付け部の中心軸と平行又は斜め方向に線状の補強部を形成した請求項1又は2に記載の接着剤塗布装置。 The adhesive applicator according to claim 1 or 2, wherein a linear reinforcing portion is formed in parallel or obliquely to the central axis of the mounting portion outside the hose mounting portion of the hermetic container wall. 密閉容器をボックス型となし補強部が対面する少なくとも一対の側壁の対角線上を通過するリング状のものとした請求項3に記載の接着剤塗布装置。 The adhesive applicator according to claim 3, wherein the sealed container is a box shape and has a ring shape that passes on a diagonal line of at least a pair of side walls facing the reinforcing portion.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102671810A (en) * 2011-03-16 2012-09-19 施敏打硬株式会社 Coating device
JP2012223715A (en) * 2011-04-20 2012-11-15 Cemedine Co Ltd Coating apparatus
CN114423598A (en) * 2019-11-19 2022-04-29 日东电工株式会社 Method for manufacturing optical laminate, adhesive application device, and apparatus for manufacturing optical laminate

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Publication number Priority date Publication date Assignee Title
JPS5143449Y2 (en) * 1973-08-31 1976-10-22
JPS54123211U (en) * 1978-02-11 1979-08-29
JPH0848364A (en) * 1994-08-02 1996-02-20 Fujimori Kogyo Kk Plastic container
JPH08215628A (en) * 1995-02-10 1996-08-27 Matsushita Electric Ind Co Ltd Applicator
JP2001088867A (en) * 1999-09-20 2001-04-03 Toppan Printing Co Ltd Liquid container for sucking and discharging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143449Y2 (en) * 1973-08-31 1976-10-22
JPS54123211U (en) * 1978-02-11 1979-08-29
JPH0848364A (en) * 1994-08-02 1996-02-20 Fujimori Kogyo Kk Plastic container
JPH08215628A (en) * 1995-02-10 1996-08-27 Matsushita Electric Ind Co Ltd Applicator
JP2001088867A (en) * 1999-09-20 2001-04-03 Toppan Printing Co Ltd Liquid container for sucking and discharging

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102671810A (en) * 2011-03-16 2012-09-19 施敏打硬株式会社 Coating device
JP2012223715A (en) * 2011-04-20 2012-11-15 Cemedine Co Ltd Coating apparatus
CN114423598A (en) * 2019-11-19 2022-04-29 日东电工株式会社 Method for manufacturing optical laminate, adhesive application device, and apparatus for manufacturing optical laminate

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