JPH028784B2 - - Google Patents
Info
- Publication number
- JPH028784B2 JPH028784B2 JP30537586A JP30537586A JPH028784B2 JP H028784 B2 JPH028784 B2 JP H028784B2 JP 30537586 A JP30537586 A JP 30537586A JP 30537586 A JP30537586 A JP 30537586A JP H028784 B2 JPH028784 B2 JP H028784B2
- Authority
- JP
- Japan
- Prior art keywords
- applicator roll
- seamless
- coating
- paint
- cans
- 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
- 238000000576 coating method Methods 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 24
- 239000003973 paint Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 claims 5
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明はシームレス缶のチヤイム部の塗装方
法、特にロールによる塗装方法およびそのための
塗装装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for coating the chime portion of a seamless can, and particularly to a coating method using a roll and a coating apparatus therefor.
（従来技術）
スチール製シームレス（SDI）缶は発錆防止の
ため保護塗料により完全に塗装されなければなら
ない。しかし、スリーピース缶と異なり、成形前
に塗装・印刷を行うこととは困難で、缶成形工程
の終了後に行われる。その工程は一般には以下の
ようになる。(Prior Art) Steel seamless (SDI) cans must be completely coated with a protective coating to prevent rust. However, unlike three-piece cans, it is difficult to paint or print the cans before molding, and this is done after the can molding process is completed. The process is generally as follows.
ボデイメーカーによる形→トリミング→洗浄→
外面の塗装・印刷→缶底接地部のロールコート→
ピンオーブンによる乾燥焼付け→内面スプレー及
びドーム部外面スプレ→塗装→オーブンによる乾
燥焼付け
このスプレーによる塗装は、スプレイされた塗
料の飛散によるガイド、塗装装置等のよごれ、そ
れによる工程異常の多発、塗膜の不均一、オーバ
ースプレイによる塗料の無駄等の問題を有するも
のであつた。 Shape by body maker → trimming → cleaning →
Painting/printing on the outside → Roll coating on the bottom of the can →
Dry baking in a pin oven → Spraying on the inside surface and spraying on the outside surface of the dome → Painting → Dry baking in an oven This spray painting will cause the guide due to scattering of the sprayed paint, staining of the coating equipment, etc., resulting in frequent process abnormalities, and the paint film. There were problems such as non-uniformity of paint and waste of paint due to overspray.
塗装ロールによるロールコート方式は、スプレ
イ方式によつて生じる工程異常が皆無となり、塗
膜の均一性の向上、塗料使用量の減少によるコス
トの低下等の有利性を持つている。 The roll coating method using a paint roll has advantages such as eliminating process abnormalities that occur with the spray method, improving the uniformity of the coating film, and lowering costs by reducing the amount of paint used.
しかし、SDIスタツカブル缶においては、缶胴
下部はテーパー部を有し、このテーパー部を経て
ドーム部に接続しているが、このテーパー部をロ
ールコート方式によつて塗装しようとする試みも
提案されている。例えば特公昭58―5712号、特開
昭58―14969号、同昭58―205559号等の公報にそ
の例が見られる。しかし、前２者はコートロール
は缶や他のロールとは傾いた回転軸を持ち、塗装
装置の機構が複雑となり、後者は異形ロールを用
いるため、塗膜の均一性を保つことが難しいとい
う問題を残していた。 However, in SDI stackable cans, the lower part of the can body has a tapered part and is connected to the dome part through this taper part, but attempts to paint this tapered part using a roll coating method have also been proposed. ing. Examples of this can be found in publications such as Japanese Patent Publication No. 58-5712, Japanese Patent Application Publication No. 14969-1982, and Japanese Patent Application Publication No. 205559-1988. However, in the former two cases, the coat roll has a rotation axis that is tilted compared to cans and other rolls, making the mechanism of the coating equipment complicated, and in the latter case, it is difficult to maintain uniformity of the coating film because it uses irregularly shaped rolls. I was left with a problem.
（この発明が解決しようとする問題点）
この発明は、塗膜の均一性に勝れると共に、高
速塗装が可能であり、しかも、構成が複雑になら
ない塗装方法と、そのための装置を得ようとする
ものである。(Problems to be Solved by the Invention) This invention aims to provide a coating method and apparatus for achieving superior coating uniformity, high speed coating, and a simple structure. It is something to do.
（問題点を解決するための手段）
この発明においては、塗装される缶１は、第１
図、第２図に示すように、Ｖガイド付き平ベルト
３、缶との接触面にウレタンゴム等の摩擦係数の
大きい材料が配された固定のアツパーガイド４に
よつて転動移送される。この移送路にそつて移送
方向に延びるアプリケーターロール５が配設さ
れ、メタリングロール６によつて塗料パン７から
塗料が供給される。缶１はトリムガイド８にトリ
ム部が接触すると共にそのチヤイム部２がアプリ
ケーターロール５に接触することによつて移送方
向と垂直方向の位置決めが行われると共にチヤイ
ム部の塗装が行われる。１２はボトムガイドであ
る。(Means for solving the problem) In this invention, the can 1 to be painted is
As shown in Fig. 2, the flat belt 3 with a V-guide and a fixed upper guide 4 whose contact surface with the can is made of a material with a high friction coefficient such as urethane rubber are used for rolling transfer. . An applicator roll 5 extending in the transport direction is arranged along this transport path, and paint is supplied from a paint pan 7 by a metering roll 6. The can 1 is positioned in the direction perpendicular to the transport direction by having its trim portion contact the trim guide 8 and its chime portion 2 contacting the applicator roll 5, and at the same time coating the chime portion. 12 is a bottom guide.
（実施例）
以下、図面を参照してこの発明の実施例を詳細
に説明する。(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
第１図において、缶１は平ベルト３によつて移
送されるが、上端はアツパーガイド４に接触して
止められるので第２図矢印のように回転する。こ
のとき、チヤイム部２はアプリケーターロール５
に接触しているので、チヤイム部２が塗装される
が、アプリケーターロール５の両端がストレート
な円筒状であると缶がロールから離れる瞬間にロ
ーラーのゴムの弾性で塗料がはじき飛ばされ、そ
の端部の痕跡が塗膜上に残つてしまう。このた
め、アプリケーターロール５は第３図に示すよう
に両端をテーパー状にし、端部と缶１との接触を
防止する。このためのテーパーは以下のように形
成される。 In FIG. 1, a can 1 is transported by a flat belt 3, and since its upper end comes into contact with an upper guide 4 and is stopped, it rotates as shown by the arrow in FIG. At this time, the chime part 2 is connected to the applicator roll 5.
Since it is in contact with the can, the coating is applied to the chain part 2. However, if both ends of the applicator roll 5 are straight and cylindrical, the paint will be repelled by the elasticity of the roller's rubber the moment the can leaves the roll, and the paint will be blown away from the ends. traces remain on the paint film. For this purpose, the applicator roll 5 has both ends tapered as shown in FIG. 3 to prevent the ends from coming into contact with the can 1. The taper for this purpose is formed as follows.
第４図を参照して１パスで塗装するためには、
アプリケーターロール５はABだけの凹みを生じ
なければならない。チヤイム部２の幅を10mm、ア
プリケーターロール５の半径を50mmとすれば、こ
の凹みは、
AB＝OB−OA＝50−√502−52≒0.25となり、
最低0.25mm逃せば良いこととなる。安全を見て、
0.5mmの逃げを１／50のテーパーで作れば、テー
パー角θは約0.57゜となる。 To paint in one pass with reference to Figure 4,
The applicator roll 5 must be recessed only by AB. If the width of the chain part 2 is 10 mm and the radius of the applicator roll 5 is 50 mm, then this concavity is AB=OB-OA=50-√50 2 -5 2 ≒0.25,
It is a good thing to miss by at least 0.25mm. Look at safety,
If a 0.5mm relief is created with a 1/50 taper, the taper angle θ will be approximately 0.57°.
アプリケーターロール５の回転方向は第１図矢
印のようにチヤイム部２からボトム部へ向かう方
向とするのがよい。トリム側のトリムガイド８は
滑り性と耐久性を考慮して強化ガラス製とするの
が望ましいが、アプリケーターロール５の回転方
向が逆であれば、缶１はアプリケーターロール５
によつてトリムガイド８に押し付けられることと
なり、摩擦を増大する。また、胴壁部への塗料の
たれやドーム部への塗料の流れ込みを防止する点
からもこの方向が望ましい。 The direction of rotation of the applicator roll 5 is preferably from the chime portion 2 to the bottom portion as indicated by the arrow in FIG. The trim guide 8 on the trim side is preferably made of tempered glass in consideration of slipperiness and durability, but if the rotation direction of the applicator roll 5 is reversed, the can 1
This causes the trim guide 8 to be pressed against the trim guide 8, increasing friction. This direction is also desirable from the viewpoint of preventing paint from dripping onto the barrel wall or flowing into the dome.
コーテインングを１パスで行うことは容易であ
るが、缶１への圧力を軽減し、完全な品質を確保
するためには、コーターをタンデム型に２つ設
け、チヤイム部２を２段階に分けてコーテイング
することが望ましい。すなわち、第５図ａ，ｂに
示すように、第１コーターで第６図ａ部をコーテ
イングし、次いで第２コーターで若干オーバーラ
ツプさせてｂ部をコートする。 It is easy to coat in one pass, but in order to reduce the pressure on the can 1 and ensure perfect quality, it is necessary to install two coaters in tandem and divide the coater 2 into two stages. Coating is desirable. That is, as shown in FIGS. 5a and 5b, the first coater coats the part a in FIG. 6, and then the second coater coats the part b with slight overlap.
上記のようなタンデム型コーターを備えた塗装
装置の全体配置を第７図に示す。平ベルト３に沿
つて第１コーター９、第２コーター１０が配置さ
れ、缶１のチヤイム部２が上記のように順次塗装
され、熱風乾燥装置１１で乾燥され、送出され
る。 FIG. 7 shows the overall arrangement of a coating apparatus equipped with the tandem coater as described above. A first coater 9 and a second coater 10 are arranged along the flat belt 3, and the chime portion 2 of the can 1 is sequentially coated as described above, dried in a hot air dryer 11, and sent out.
（発明の効果）
この発明は、上記の様に、シームレス缶のチヤ
ーム部をロールコートするので、スプレイコート
によつて生ずる問題は一切生じない。そして塗装
用アプリケータロールは、缶の移送方向にほぼ平
行して延びているので、塗装装置としての機構は
無理がなく、均一な塗膜を安定して得ることが出
来る。その上、ロールの回転方向の選択により、
塗装装置の耐久性を増し、塗料のだれや不必要部
分への塗料の流れを防止出来る等、顕著な効果を
奏するものである。(Effects of the Invention) As described above, in this invention, the charm portion of a seamless can is roll-coated, so there are no problems caused by spray coating. Since the coating applicator roll extends substantially parallel to the direction in which the cans are transported, the mechanism of the coating device is reasonable and a uniform coating film can be stably obtained. Moreover, by selecting the rotation direction of the roll,
This has remarkable effects such as increasing the durability of the coating equipment and preventing paint from dripping or flowing to unnecessary areas.
第１図，第２図はこの発明の塗装方法およびそ
のための装置の構成を示す概念図、第３図，第４
図はアプリケーターロールの形状の側面図および
その説明図、第５図はこの発明の塗装装置の１実
施例におけるアプリコーターロールと缶チヤイム
部の接触状態の説明図、第６図はその塗装状態の
説明図、第７図はこの発明の塗装装置の１実施例
の全体図である。
１：缶、２：チヤイム部、３：平ベルト、４：
アツパーガイド、５：アプリケーターロール、
６：メタリングロール、７：塗料パン、８：トリ
ムガイド、９：第１コーター、１０：第２コータ
ー、１１：熱風乾燥装置。
Figures 1 and 2 are conceptual diagrams showing the coating method of the present invention and the configuration of an apparatus therefor, and Figures 3 and 4 are
Figure 5 is a side view of the shape of the applicator roll and its explanatory diagram; Figure 5 is an explanatory diagram of the state of contact between the applicator roll and the can chime in one embodiment of the coating device of the present invention; Figure 6 is the diagram of the coating state. The explanatory diagram, FIG. 7, is an overall view of one embodiment of the coating apparatus of the present invention. 1: Can, 2: Chime part, 3: Flat belt, 4:
Atsupa guide, 5: Applicator roll,
6: Metering roll, 7: Paint pan, 8: Trim guide, 9: First coater, 10: Second coater, 11: Hot air drying device.
Claims (1)
ール製シームレス缶のチヤイム部を、該移送方向
とほぼ平行に延びるアプリケータロールによつて
塗装することを特徴とするシームレス缶のチヤイ
ム部の塗装方法。 ２ シームレス缶を移送する平ベルト、これと平
行し上記缶に接触してこれを回転させるアツパー
ガイド、上記缶の移送方向とほぼ平行に延びるア
プリケータロールおよび該アプリケータロールに
塗料を供給する塗料供給装置を含むことを特徴と
するシームレス缶のチヤイム部の塗装装置。 ３ 上記缶の移送方向とほぼ平行に延びるアプリ
ケータロールは、その両端がテーパー状に縮径さ
れていることを特徴とする特許請求の範囲第２項
記載のシームレス缶のチヤイム部の塗装装置。 ４ 上記缶の移送方向とほぼ平行に延びるアプリ
ケータロールは、シームレス缶との接触部がその
缶胴側壁からドーム部へ向かう方向に回転させら
れていることを特徴とする特許請求の範囲第２項
記載のシームレス缶のチヤイム部の塗装装置。 ５ 上記アプリケータロールと塗料供給装置から
なるコーターが缶の移送路にそつて複数配置され
ていることを特徴とする特許請求の範囲第２項記
載のシームレス缶のチヤイム部の塗装装置。[Scope of Claims] 1. A chain part of a seamless steel can that is rotated and transported by a belt and is coated with an applicator roll extending substantially parallel to the transport direction. How to paint. 2. A flat belt that transports seamless cans, an upper guide parallel to the flat belt that contacts and rotates the cans, an applicator roll that extends approximately parallel to the direction in which the cans are transported, and a paint supply to the applicator roll. A coating device for the chime portion of a seamless can, characterized by including a paint supply device. 3. The apparatus for coating a chime portion of a seamless can according to claim 2, wherein the applicator roll, which extends substantially parallel to the can transport direction, has a tapered diameter at both ends. 4. Claim 2, wherein the applicator roll, which extends substantially parallel to the can transport direction, has a contact portion with the seamless can rotated in a direction from the side wall of the can body toward the dome portion. A coating device for the chime part of seamless cans as described in 2. 5. The coating device for the chime portion of a seamless can according to claim 2, wherein a plurality of coaters each comprising the applicator roll and the paint supply device are arranged along the can transport path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30537586A JPS63158155A (en) | 1986-12-23 | 1986-12-23 | Method and apparatus for painting chime part of seamless can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30537586A JPS63158155A (en) | 1986-12-23 | 1986-12-23 | Method and apparatus for painting chime part of seamless can |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63158155A JPS63158155A (en) | 1988-07-01 |
| JPH028784B2 true JPH028784B2 (en) | 1990-02-27 |
Family
ID=17944358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30537586A Granted JPS63158155A (en) | 1986-12-23 | 1986-12-23 | Method and apparatus for painting chime part of seamless can |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63158155A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012209675A1 (en) | 2012-06-08 | 2013-12-12 | Ball Packaging Europe Gmbh | Method for printing on a cylindrical printing surface of a beverage can and printed beverage can |
-
1986
- 1986-12-23 JP JP30537586A patent/JPS63158155A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63158155A (en) | 1988-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |