JPH0148069B2 - - Google Patents
Info
- Publication number
- JPH0148069B2 JPH0148069B2 JP880683A JP880683A JPH0148069B2 JP H0148069 B2 JPH0148069 B2 JP H0148069B2 JP 880683 A JP880683 A JP 880683A JP 880683 A JP880683 A JP 880683A JP H0148069 B2 JPH0148069 B2 JP H0148069B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- adherend
- belt
- masking material
- powder
- 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.)
- Expired
Links
- 239000000853 adhesive Substances 0.000 claims description 62
- 230000001070 adhesive effect Effects 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 24
- 230000000873 masking effect Effects 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 19
- 238000009503 electrostatic coating Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 description 13
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Description
【発明の詳細な説明】
本発明は、粉末状接着剤を接着剤粒子の飛散に
より、被着材の接着剤塗布部分以外を汚すことな
く、効率よく被着材へ塗布する方法に関するもの
であり、特に18金属缶等の容器の接着による製
造において有効な粉末状接着剤の塗布方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for efficiently applying powdered adhesive to an adherend without contaminating areas other than the adhesive-applied area of the adherend by scattering adhesive particles. In particular, the present invention relates to a method for applying a powdered adhesive that is effective in manufacturing containers such as 18 metal cans by adhesion.
従来、粉末状接着剤はフイルム状接着剤に比
で、任意の形状に、容易に塗布できるため、塗布
作業に有効な接着剤として、洋服の芯地の接着等
に多く利用されている。 Conventionally, powdered adhesives can be applied to arbitrary shapes more easily than film adhesives, so they have been widely used as adhesives effective in coating operations, such as for bonding interlining of clothes.
しかしながら、芯地等の平面に均等にバラ散布
するような場合には、スクリーンを通して粉体粒
子を落下させる事により、容易に接着剤を被着体
へ塗布することができるが、部分的に特定の形状
に粉体粒子を塗布したい場合、例えば18金属缶
の接着による製造において、缶銅板の端縁部のみ
に接着剤を塗布したいという様な場合には以下の
ような問題を有していた。 However, when dispersing the adhesive evenly on a flat surface such as interlining, it is possible to easily apply the adhesive to the adherend by dropping the powder particles through a screen, but it is difficult to If you want to apply powder particles in the shape of a metal can, for example, when you want to apply adhesive only to the edge of the can copper plate in the production of 18 metal cans, you have the following problems. .
接着剤粒子が、意図した場所以外（非塗布部
分）へ塗布時に付着する事。 Adhesive particles adhere to areas other than the intended areas (non-applied areas) during application.
被着体の非塗布部分への付着を防止するのに
マスキング材を用いる事は広く行われている手
段であるが、被着体ごとにマスキング材を取り
付け、取り外しを行なわねばならず、接着剤塗
布の連続化、高速化を阻害するうえに、工業的
に省エネルギー上マスキング材を繰返し使用す
ることが多いが、マスキング材に付着した接着
剤の除去は、以下に述べるの問題点とも関連
しておりの問題点を解決しようとすればする
程、困難になる。完全に接着剤を取り除いたマ
スキング材を使用しなければ、マスキング材を
用いることにより被着体をむしろ汚染してしま
う結果になり、マスキング材を用いる意味が失
なわれる結果になる。 Using a masking material is a widely used method to prevent adhesion to non-coated parts of the adherend, but the masking material must be attached and removed for each adherend, and the adhesive In addition to impeding continuous and high-speed application, masking materials are often used repeatedly in order to save energy industrially, but removing adhesive adhered to masking materials is also related to the problems described below. The more you try to solve the cage's problems, the more difficult it becomes. Unless a masking material from which the adhesive has been completely removed is used, the use of the masking material will end up contaminating the adherend, and the purpose of using the masking material will be lost.
塗布後の被着体を、加熱融着等の次の工程へ
の移送中に、移送により発生する気流・振動等
により、塗布形状の崩れ、接着剤粒子の飛散が
発生し、汚染や接着不良の原因となる事。 While the adherend is being transferred to the next process such as heat fusion, the applied shape may collapse and adhesive particles may scatter due to the air currents and vibrations generated by the transfer, resulting in contamination and poor adhesion. To be the cause of.
生産性をあげるために最近は特に全ての工程
において、高速化が求められており、例えば18
金属缶の製造においては１分間に60缶以上製
造することが要求されており、１秒に１缶以上
の処理、すなわち１缶当りの工程（接着及びそ
の他の工程）を１秒以下にしなければならず、
高速で接着剤を塗布しなければならず、高速で
接着剤を塗布しなければならないが、上記及
びの問題がからんで高速塗布が困難である
事。 In order to increase productivity, there has recently been a demand for faster speeds, especially in all processes.For example, 18
In the production of metal cans, it is required to produce more than 60 cans per minute, which means that more than one can can be processed per second, which means that the process (adhesion and other processes) per can must be kept under one second. Not,
Adhesive must be applied at high speed, and adhesive must be applied at high speed, but high speed application is difficult due to the above and other problems.
以上の様な問題により、粉末状接着剤を用いる
事が、塗布方法等にメリツトが多くありながら、
困難な場合が多く、特に18金属缶を接着で製造
する場合には上記の理由から粉末状接着剤は液状
あるいはシート状接着剤に比較して殆んど使用さ
れていなかつた。 Due to the above-mentioned problems, using powdered adhesive has many advantages in terms of application method, etc.
Because of the above reasons, powdered adhesives were rarely used compared to liquid or sheet adhesives, especially when manufacturing 18 metal cans by adhesion.
本発明者等は、この粉末状接着剤の塗布方法に
おける問題点を解決し、粉末状接着剤が巾広く利
用できる塗布方法について鋭意検討し本発明を完
成するに至つた。 The present inventors solved the problems in the method of applying powdered adhesive, conducted extensive studies on a method of applying powdered adhesive that can be widely used, and finally completed the present invention.
すなわち本発明は、アースが設けてある導電性
ベルト上に被着体を載置し、被着体の接着剤の非
塗布部分をアースの設けてある導電性ベルト状マ
スキング材で被覆し、かつ被着体と導電性ベルト
及び被着体とマスキング材間を絶縁し、静電塗装
装置で被着体に粉末状接着剤を塗布することを特
徴とする粉末状接着剤の塗布方法に関するもので
ある。 That is, the present invention places an adherend on a conductive belt provided with a ground, covers the non-applied portion of the adherend with a conductive belt-like masking material provided with a ground, and This invention relates to a powder adhesive application method characterized by insulating between the adherend and the conductive belt and between the adherend and the masking material, and applying the powder adhesive to the adherend using an electrostatic coating device. be.
次に本発明の１実施例について、以下図面を用
いて詳細に説明する。 Next, one embodiment of the present invention will be described in detail with reference to the drawings.
第１図および第２図は、本発明における粉末状
接着剤の塗布方法を示す概略図である。 FIGS. 1 and 2 are schematic diagrams showing a method of applying a powder adhesive according to the present invention.
図において、１は被着体の載置するアース３を
有する導電性ベルトを示す。前工程から送られて
きた被着体２は、ベルト上に載置され、搬送さ
れ、同ベルト上で連続的又は断続的に静電塗装装
置４により、接着剤粉末５を塗布される。この
時、被着体２の接着剤が塗布される箇所以外はア
ース（図示せず）を有する導電性ベルト状マスキ
ング材６により接着剤粉末が付着しないよう覆わ
れている。静電塗装装置４の塗布能力が不足する
場合には、必要塗負量に応じて複数機の静電塗装
装置４′を並列に設置すればよい。接着剤を塗布
された被着体２′は、ベルト１により、加熱融着
工程などの次工程へ送られる。ベルトおよびマス
キング材は、付着した接着剤粉末を取り除くた
め、回転ブラシ７および８よりそれぞれブラツシ
ングされる。脱落した接着剤粉末はホツパー９，
１０に回収される。回収粉末は再使用可能であ
る。また、接着剤の塗布は、ベルトを連続的に移
動させ被着体の搬送しながら実施することも、ベ
ルトを断続的に移動させ静電塗装装置を移動しな
がら停止した被着体に実施することも、あるいは
それらの組合せでも実施可能である。 In the figure, 1 indicates a conductive belt having a ground 3 on which an adherend is placed. The adherend 2 sent from the previous process is placed on a belt, conveyed, and coated with adhesive powder 5 on the belt by an electrostatic coating device 4, either continuously or intermittently. At this time, the parts of the adherend 2 other than those to which the adhesive is applied are covered with a conductive belt-shaped masking material 6 having a ground (not shown) to prevent adhesive powder from adhering. If the coating capacity of the electrostatic coating device 4 is insufficient, a plurality of electrostatic coating devices 4' may be installed in parallel depending on the required coating amount. The adherend 2' coated with the adhesive is sent by the belt 1 to the next process such as a heat fusing process. The belt and masking material are brushed by rotating brushes 7 and 8, respectively, to remove adhering adhesive powder. The adhesive powder that fell off is hopper 9,
It will be collected on 10th. The recovered powder can be reused. In addition, the adhesive can be applied while the belt is continuously moving while the adherend is being conveyed, or it can be applied intermittently to the adherend while the electrostatic coating device is moving. or a combination thereof.
本発明の効果を発現するためには、被着体２は
ベルト及びマスキング材と電気的に絶縁されてい
る必要がある。その絶縁方法としては18金属缶
等の製造に用いられる塗装金属板等が被着体であ
れば塗材が絶縁材になり得ることが多いので、特
に絶縁対策を考えることなくそれをそのまま用い
ることが可能であり、電気的に表面が絶縁されて
いない被着体の場合には、ベルトと被着体の間に
被着体により完全に覆われる大きさの薄い絶縁シ
ートをベルト表面に貼り付ければよい。また、マ
スキング材との絶縁には、同様にマスキング材の
被着体側に絶縁シートを貼り付けるか、もしくは
塗布形状が崩れない程度のわずかな空隙を設けれ
ばよい。 In order to exhibit the effects of the present invention, the adherend 2 needs to be electrically insulated from the belt and the masking material. As an insulation method, if the adherend is a coated metal plate used in the manufacture of metal cans, etc., the coating material can often be used as an insulating material, so it is best to use it as is without considering any particular insulation measures. In the case of an adherend whose surface is not electrically insulated, a thin insulating sheet large enough to be completely covered by the adherend may be attached to the belt surface between the belt and the adherend. Bye. Further, for insulation from the masking material, it is sufficient to similarly affix an insulating sheet to the adherend side of the masking material, or to provide a small gap to the extent that the applied shape does not collapse.
本発明に用いられる静電塗装装置としては現在
汎用されている高電圧式及び摩擦帯電式等のいず
れもが適用可能である。 As the electrostatic coating device used in the present invention, any of the currently widely used high voltage type, friction charging type, etc. can be applied.
またベルト及びマスキング材も導電性を有する
素材ならば全て適用可能であるが、強度及び長期
間の使用を考えると強度も強く、耐蝕性の大きい
ステンレス等のスチールベルトを用いるのが好ま
しい。 Furthermore, any conductive material can be used for the belt and the masking material, but in consideration of strength and long-term use, it is preferable to use a steel belt such as stainless steel, which has high strength and high corrosion resistance.
また本発明方法で用いられる接着剤粉末として
は一般的に用いられるているものが使用可能であ
るが、帯電性の面からナイロン系接着剤又はポリ
エステル系接着剤およびこれらの共重合体を主成
分とするものが好ましいものである。またこれら
の粉末状接着剤の粒径は、二次凝集を防止すると
いう面から60〜250μｍであることが好ましい。 In addition, commonly used adhesive powders can be used as the adhesive powder used in the method of the present invention, but from the viewpoint of chargeability, it is preferable to use nylon adhesives, polyester adhesives, and copolymers thereof as main components. It is preferable that the Further, the particle size of these powdered adhesives is preferably 60 to 250 μm from the viewpoint of preventing secondary agglomeration.
本発明方法は、粉末状接着剤を塗布する手段と
して静電塗装装置を用いることにその一つの特徴
を有するものである。静電塗装は、接着剤粒子に
電荷を与えたうえでその接着剤粒子を被着体に吹
き付け、均一に接着剤粒子を塗装する方法で、本
発明において絶縁された被着体を用いることと合
せて、接着剤粒子を塗布した後で、加熱融着等の
次の工程への被着体の搬送中に発生する振動ある
いは空気流による、塗布された接着剤粒子の被着
体からの脱落塗布形状の崩れ等を防止することが
できるものである。 One of the characteristics of the method of the present invention is that an electrostatic coating device is used as a means for applying the powdered adhesive. Electrostatic painting is a method in which adhesive particles are charged and then sprayed onto an adherend to uniformly coat the adhesive particles, and in the present invention, an insulated adherend is used. In addition, after applying adhesive particles, the applied adhesive particles may fall off from the adherend due to vibrations or air currents that occur during transport of the adherend to the next process such as heat fusion. This can prevent the coating shape from collapsing.
静電塗装装置を用いて被着体を塗布するとき、
必然的にマスキング材とベルトにも接着剤粒子が
付着しそれらを汚染することになるが、マスキン
グ材とベルトは導電性でありかつアースが設けら
れているため、接着剤粒子の有している電荷はす
みやかに消滅し、ブラツシング等により容易に脱
落させることができ、マスキング材とベルトね連
続使用、しかも高速塗布においての使用を可能な
らしめる。なお、バキユームホツパー等を併用す
ればなお効果的であり、接着剤粒子の再利用にも
有効である。 When applying an adherend using an electrostatic coating device,
Inevitably, adhesive particles will also adhere to the masking material and belt, contaminating them, but since the masking material and belt are conductive and are grounded, the adhesive particles The charge disappears quickly and can be easily removed by brushing, etc., making continuous use of the masking material and belt possible, as well as use in high-speed application. Note that it is even more effective to use a vacuum hopper or the like in combination, and it is also effective for reusing adhesive particles.
本発明方法は、特に18金属缶の容器の接着に
よる製造に有効なものであり、その場合における
実施の方法を説明すると以下の通りである。 The method of the present invention is particularly effective for manufacturing 18 metal cans by adhesion, and the method of implementation in this case will be explained as follows.
18金属缶の缶銅板は、塗装金属板が用いられ
るため接着剤塗布工程で特に絶縁処理を考える必
要がなく、本発明方法が効果的に利用できる被着
材である。 The can copper plate of the 18 metal can is an adherend material for which the method of the present invention can be effectively applied, since a painted metal plate is used, so there is no need to particularly consider insulation treatment in the adhesive application process.
本発明方法を適用する際、缶銅板への接着剤の
塗布箇所が缶銅ハゼ折りロツク接合部分である場
合の接着剤塗布量は、80〜200ｇ／m2程度であり、
天地板と缶銅二重巻締接合部分である場合には、
50〜100ｇ／m2程度である。また缶の製造速度を
毎分60缶程度とした場合、塗装面装は、ベルトお
よびマスキング材上への飛散分を含めて、毎分５
〜10m2となる。したがつて、接着剤塗布量は250
〜2000ｇ／分となる。それゆえ、本発明方法を適
用しようとすれば粉体塗装装置で現在最も多く使
用されている塗布能力が300〜500ｇ／分程度の装
置を使用する場合、１〜６機を並列に設置し用い
る必要がある。 When applying the method of the present invention, the amount of adhesive applied when the adhesive is applied to the can copper plate is the can copper seam folding lock joint part, the amount of adhesive applied is about 80 to 200 g/m 2 ,
In the case of a double-sealed joint between the top and bottom plates and the copper can,
It is about 50-100g/ m2 . In addition, if the production speed of cans is approximately 60 cans per minute, the coating rate will be approximately 50 per minute, including the amount that is scattered onto the belt and masking material.
~ 10m2 . Therefore, the amount of adhesive applied is 250
~2000g/min. Therefore, when applying the method of the present invention, it is necessary to install one to six machines in parallel when using a powder coating machine with a coating capacity of about 300 to 500 g/min, which is currently the most commonly used powder coating machine. There is a need.
本発明の方法により、缶銅板端縁部へ粉末状接
着剤を塗布された缶銅板は、次工程で粉末状接着
剤を塗布された部分をバーナー、高周波誘導、赤
外ランプ等、常法の加熱手段により、塗布された
粉末状接着剤の融点以上に加熱され、固定された
後、常法の製缶工程により、胴部ハゼ折りロツク
接合および天地二重巻締がなされる。その後、前
記接合部を常法の加熱手段により再度融点以上に
加熱し、18接着缶が製造できる。 By the method of the present invention, the powdered adhesive is applied to the edge of the can copper plate. In the next step, the part coated with the powdered adhesive is heated using a conventional method such as a burner, high-frequency induction lamp, infrared lamp, etc. After being heated by a heating means to a temperature higher than the melting point of the powdered adhesive applied and fixed, the body portion is joined with a seam-fold lock and the top and bottom are double-sealed in a conventional can manufacturing process. Thereafter, the bonded portion is heated again to a temperature above the melting point using a conventional heating method, thereby producing an 18-adhesive can.
以上のように、本装置によれば、缶銅板に粉末
状接着剤を現在の18缶製造ラインに十分追従で
きる程高速に、かつ必要な塗布巾および塗布量
で、不必要な箇所への接着剤の飛散がなく、金属
缶を汚染することが可能となる。 As described above, this device can apply powdered adhesive to copper can plates at a high speed that is sufficient to keep up with the current 18-can manufacturing line, and with the necessary application width and amount, and can apply adhesive to unnecessary areas. There is no scattering of the agent and it is possible to contaminate the metal can.
本発明方法は、接着缶の製造において、缶銅板
への粉末状接着剤の塗布に特に適した方法である
が、これに限定されたものでなく、前記した諸問
題を解決した塗布であり、その優れた操作性、生
産性から各種の粉末状接着剤を用いる工法におい
て、粉末状接着剤の塗布方法として巾広く使用お
よび応用のできる方法である。 The method of the present invention is particularly suitable for applying powdered adhesive to can copper plates in the production of adhesive cans, but is not limited thereto, and is an application that solves the above-mentioned problems, Due to its excellent operability and productivity, this method can be widely used and applied as a powder adhesive application method in construction methods using various powder adhesives.
第１図は本発明方法の１実施例の概略図であ
り、第２図はその部分拡大図である。
１：導電性ベルト、２，２′：被着体、３：ア
ース、４，４′：静電塗装装置、５：接着剤粉末、
６：ベルト状マスキング材、７，８：回転ブラ
シ、９，１０：回収ホツパー。
FIG. 1 is a schematic view of one embodiment of the method of the present invention, and FIG. 2 is a partially enlarged view thereof. 1: conductive belt, 2, 2': adherend, 3: earth, 4, 4': electrostatic coating device, 5: adhesive powder,
6: Belt-shaped masking material, 7, 8: Rotating brush, 9, 10: Collection hopper.
Claims (1)
を載置し、被着体の接着剤の非塗布部分をアース
の設けてある導電性ベルト状マスキング材で被覆
し、かつ被着体と導電性ベルト及び被着体とマス
キング材間を絶縁し、静電塗装装置で被着体に粉
末状接着剤を塗布することを特徴とする粉末状接
着剤の塗布方法。1 Place the adherend on a conductive belt that is grounded, cover the non-applied part of the adherend with a conductive belt-shaped masking material that is grounded, and place the adherend on a conductive belt that is grounded. A method for applying a powder adhesive, which comprises insulating a conductive belt, an adherend, and a masking material, and applying the powder adhesive to the adherend using an electrostatic coating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP880683A JPS59136165A (en) | 1983-01-24 | 1983-01-24 | Coating method of powdery adhesive agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP880683A JPS59136165A (en) | 1983-01-24 | 1983-01-24 | Coating method of powdery adhesive agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59136165A JPS59136165A (en) | 1984-08-04 |
| JPH0148069B2 true JPH0148069B2 (en) | 1989-10-17 |
Family
ID=11703080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP880683A Granted JPS59136165A (en) | 1983-01-24 | 1983-01-24 | Coating method of powdery adhesive agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59136165A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62249739A (en) * | 1986-04-24 | 1987-10-30 | 協立ラミネ−ト株式会社 | Breathable composite sheet and its manufacturing method |
| GB9915851D0 (en) * | 1999-07-06 | 1999-09-08 | Glasscoat Limited | Coating method |
-
1983
- 1983-01-24 JP JP880683A patent/JPS59136165A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59136165A (en) | 1984-08-04 |
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