JP2012213735A - Coating apparatus and coating method - Google Patents

Coating apparatus and coating method Download PDF

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JP2012213735A
JP2012213735A JP2011081586A JP2011081586A JP2012213735A JP 2012213735 A JP2012213735 A JP 2012213735A JP 2011081586 A JP2011081586 A JP 2011081586A JP 2011081586 A JP2011081586 A JP 2011081586A JP 2012213735 A JP2012213735 A JP 2012213735A
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paint
curtain
coated
paint curtain
coating
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Satoshi Sekiguchi
聡 関口
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Bridgestone Corp
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Bridgestone Corp
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Abstract

PROBLEM TO BE SOLVED: To suppress the contamination of the conveying belt in the downstream side in a conveying direction by the disturbance of a coating material curtain.SOLUTION: The coating device 10 has: a coating material-flowing down means 40 for flowing down a liquid coating material 17 in a curtain shape; conveying means 28, 29 crossing the coating material curtain 20 formed by the coating material-flowing down means 40 and conveying a material 12 to be coated; and a contamination preventing means 22 arranged downstream of the material 12 of the coating material-flowing down means 40 in the conveying direction (in the direction of an arrow P), receiving and stopping the going-out part of the coating material curtain 20 attracted to the conveying direction side of the material 12, and provided with an inclined part 26 inclining in the direction crossing the conveying direction in the lower end part. The liquid coating material 17 received and stopped by the contamination preventing means 22 is moved to the lateral side of the conveying means 29 along the inclining part 26.

Description

本発明は、液状塗料を流下させて被塗装体を塗装する塗装装置及び塗装方法に関する。   The present invention relates to a coating apparatus and a coating method for coating an object to be coated by flowing down a liquid paint.

被塗装体を塗装する方法の1つに、カーテンフローコーターから液状塗料を流下させ、流下するカーテン状の液状塗料の膜(以下塗料カーテンと呼ぶ。)を形成し、被塗装体を、塗料カーテンの中を通過させながら塗装する方法がある。この方法で塗装する場合、例えば、搬送される被塗装体の形状や搬送速度等により、被塗装体周辺の気流が乱され、塗料カーテンの形状を乱し、塗装ムラや搬送ベルトの汚れ等を発生させる、という問題がある。   One method of coating a body to be coated is to drop the liquid paint from a curtain flow coater to form a film of a curtain-like liquid paint that flows down (hereinafter referred to as a paint curtain). There is a method of painting while passing through. When painting by this method, for example, the airflow around the object to be coated is disturbed by the shape of the object to be conveyed, the conveyance speed, etc., the shape of the paint curtain is disturbed, and uneven coating or dirt on the conveyor belt is caused. There is a problem of generating.

この問題を解決すべく、塗料カーテンの乱れを抑制し、塗装ムラを解消させる技術が提案されている(特許文献1)。
特許文献1は、塗料カーテンの搬送方向上流側に、塗料カーテンの全面を覆う風防板を設けた構成である。これにより、被塗装体である、コイル状の板材を連続して搬送することによって発生する風圧が塗料カーテンの上流側に加えられ、塗料カーテンの形状が乱されるのを防ぐことができる。
In order to solve this problem, a technique has been proposed in which disturbance of the paint curtain is suppressed and uneven coating is eliminated (Patent Document 1).
Patent document 1 is a structure which provided the windshield which covers the whole surface of a paint curtain in the conveyance direction upstream of a paint curtain. Accordingly, it is possible to prevent the wind pressure generated by continuously conveying the coil-shaped plate material, which is the object to be coated, from being applied to the upstream side of the paint curtain and disturbing the shape of the paint curtain.

しかし、被塗装体が例えばパネルであり、所定の厚さの板材が所定の間隔を開けて連続して並べられた場合には、均一な厚さの板材が連続して搬送されるコイル状の板材とは異なる問題を有する。即ち、このようなパネルでは、パネル上面と搬送ベルト表面の高低差を有しており、この状態でパネルを連続して搬送した場合、高低差に伴う気流の乱れが発生し、この気流の乱れで塗料カーテンが乱される。この塗料カーテンの乱れは、パネルとパネルの間で発生し、パネルの搬送方向の下流側の搬送ベルトが液状塗料で汚される。
特許文献1の方法では、パネルとパネルの間で発生する気流の乱れに基づく、塗料カーテンによる搬送方向下流側の搬送ベルトの汚れは抑制できない。
However, if the object to be coated is, for example, a panel, and plate materials having a predetermined thickness are continuously arranged at a predetermined interval, a coil-like material in which plate materials having a uniform thickness are continuously conveyed is used. It has a problem different from the plate material. That is, such a panel has a height difference between the upper surface of the panel and the surface of the conveyor belt. When the panel is continuously conveyed in this state, the turbulence of the air flow accompanying the height difference occurs, and the turbulence of the air current is generated. The paint curtain is disturbed. This disturbance of the paint curtain occurs between the panels, and the transport belt on the downstream side in the transport direction of the panel is soiled with the liquid paint.
In the method of Patent Document 1, the contamination of the conveyance belt on the downstream side in the conveyance direction by the paint curtain based on the turbulence of the airflow generated between the panels cannot be suppressed.

特開昭63−80877号公報JP-A-63-80877

本発明は、上記事実に鑑み、塗料カーテンの乱れによる搬送方向下流側の搬送ベルトの汚れを抑制する塗装装置及び塗装方法を提供する。   In view of the above-described facts, the present invention provides a coating apparatus and a coating method that suppress the contamination of the transport belt on the downstream side in the transport direction due to the disturbance of the paint curtain.

請求項1に記載の発明に係る塗装装置は、液状塗料をカーテン状に流下させる塗料流下手段と、前記塗料流下手段で形成された塗料カーテンの中を横切って、被塗装体を搬送する搬送手段と、前記塗料流下手段の前記被塗装体の搬送方向下流側に設けられ、前記被塗装体の前記搬送方向側へ引き寄せられた前記塗料カーテンのはみ出し部を受け止めると共に、下端部には、前記搬送方向と交差する方向に傾斜する傾斜部が設けられている防汚手段と、を有することを特徴としている。   A coating apparatus according to a first aspect of the present invention includes a paint flow-down means for flowing a liquid paint in a curtain shape, and a transport means for transporting an object to be coated across the paint curtain formed by the paint flow-down means. And the paint flow-down means downstream of the coated object in the conveying direction, receiving the protruding portion of the paint curtain drawn toward the conveying direction of the coated object, And antifouling means provided with an inclined portion inclined in a direction intersecting with the direction.

請求項1に記載の発明によれば、塗料流下手段により、液状塗料がカーテン状に流下され、搬送手段により、塗料流下手段で形成された塗料カーテンの中を横切って、被塗装体が搬送される。塗料流下手段の、被塗装体の搬送方向下流側に設けられた防汚手段により、塗料カーテンのはみ出し部が受け止められる。ここに、はみ出し部とは、塗料カーテンが、被塗装体の搬送方向後端部側へ引き寄せられたとき、下流側の搬送手段まで到達する部分である。また、防汚手段の下端部には、搬送方向と交差する方向に傾斜する傾斜部が設けられている。
この結果、被塗装体の搬送方向後端部側へ引き寄せられ、搬送手段まで移動しようとする塗料カーテンのはみ出し部が、搬送方向下流側の搬送手段に至る前に防汚手段で遮られ、搬送手段の汚れが抑制される。また、受け止められた液体塗料は、傾斜部に沿って、搬送手段の側方へ移動させられ、搬送方向下流側の搬送手段への落下が抑制される。
According to the first aspect of the present invention, the liquid paint is caused to flow in a curtain shape by the paint flow-down means, and the object to be coated is conveyed across the paint curtain formed by the paint flow-down means by the transfer means. The The protruding part of the paint curtain is received by the antifouling means provided on the downstream side in the conveying direction of the object to be coated. Here, the protruding portion is a portion that reaches the conveying means on the downstream side when the paint curtain is drawn toward the rear end side in the conveying direction of the object to be coated. Moreover, the lower end part of the antifouling means is provided with an inclined part that is inclined in a direction intersecting with the conveying direction.
As a result, the protruding portion of the paint curtain which is attracted to the rear end side of the object to be coated and moves to the conveying means is blocked by the antifouling means before reaching the conveying means on the downstream side in the conveying direction. Contamination of the means is suppressed. Further, the received liquid paint is moved to the side of the transport unit along the inclined portion, and the fall to the transport unit downstream in the transport direction is suppressed.

請求項2に記載の発明は、請求項1に記載の塗装装置において、前記防汚手段は、前記塗料カーテンの幅を超える幅で形成され、前記はみ出し部を受け止める横板部と、前記横板部の下端部に形成され中央部が高く両側が低い傾斜部と、を有していることを特徴としている。   According to a second aspect of the present invention, in the coating apparatus according to the first aspect, the antifouling means is formed with a width exceeding the width of the paint curtain, and a horizontal plate portion that receives the protruding portion; and the horizontal plate And an inclined portion that is formed at the lower end portion of the portion and has a high central portion and low both sides.

請求項2に記載の発明によれば、塗料カーテンの幅を超える幅で形成された横板部により、塗料カーテンのはみ出し部が受け止められる。また、横板部の下端部に形成された傾斜部により、横板部が受け止めたはみ出し部の液状塗料が、傾斜部に沿って横板部の両側へ移動させられる。
この結果、塗料カーテンの乱れによる搬送方向下流側の搬送手段の汚れを抑制することができる。
According to invention of Claim 2, the protrusion part of a coating material curtain is received by the horizontal board part formed in the width | variety exceeding the width | variety of a coating material curtain. Moreover, the liquid coating material of the protrusion part which the horizontal plate part received by the inclination part formed in the lower end part of a horizontal plate part is moved to the both sides of a horizontal plate part along an inclination part.
As a result, it is possible to suppress the contamination of the conveying means on the downstream side in the conveying direction due to the disturbance of the paint curtain.

請求項3に記載の発明は、請求項1に記載の塗装装置において、前記防汚手段は、前記塗料カーテンの幅を超える幅で形成され、前記はみ出し部を受け止める横板部と、前記横板部の下端部に形成され、一方の端部側が高く他方の端部側が低い傾斜部と、を有していることを特徴としている。   According to a third aspect of the present invention, in the coating apparatus according to the first aspect, the antifouling means is formed with a width exceeding the width of the paint curtain, and a horizontal plate portion that receives the protruding portion; and the horizontal plate And an inclined portion formed on the lower end portion of the portion and having a high end on one end and a low end on the other end.

請求項3に記載の発明によれば、塗料カーテンの幅を超える幅で形成された横板部により、塗料カーテンのはみ出し部が受け止められる。また、横板部の下端部に形成された傾斜部により、横板部が受け止めたはみ出し部の液状塗料が、傾斜部に沿って横板部の片方へ移動させられる。
この結果、塗料カーテンの乱れによる搬送方向下流側の搬送手段の汚れを抑制することができる。
According to invention of Claim 3, the protrusion part of a coating material curtain is received by the horizontal board part formed in the width | variety exceeding the width | variety of a coating material curtain. Moreover, the liquid coating material of the protrusion part which the horizontal plate part received by the inclined part formed in the lower end part of the horizontal plate part is moved to one side of the horizontal plate part along the inclined part.
As a result, it is possible to suppress the contamination of the conveying means on the downstream side in the conveying direction due to the disturbance of the paint curtain.

請求項4に記載の発明は、請求項1〜3のいずれか1項に記載の塗装装置において、前記傾斜部の下端部には、下方へ伸びる脚部が形成され、前記脚部の下方には樋が設けられていることを特徴としている。
これにより、横板部により受け止められたはみ出し部の液状塗料が、傾斜部の下端部から下方へ伸びる脚部に沿って移動され、下方の樋で回収される。
Invention of Claim 4 is a coating apparatus of any one of Claims 1-3, The leg part extended below is formed in the lower end part of the said inclination part, Below the said leg part Is characterized by the provision of cocoons.
Thereby, the liquid paint of the protrusion part received by the horizontal board part is moved along the leg part extended below from the lower end part of an inclination part, and is collect | recovered with a lower hook.

請求項5に記載の発明は、請求項1〜4のいずれか1項に記載の塗装装置において、前記傾斜部の下端部には、前記塗料カーテン側に向けて折り曲げられた折り曲げ部が設けられていることを特徴としている。
これにより、横板部により受け止められたはみ出し部の液体塗料が、傾斜部に設けられた折り曲げ部を伝わって移動させられる。この結果、傾斜部における移動途中での液状塗料の滴下を低減できる。
According to a fifth aspect of the present invention, in the coating apparatus according to any one of the first to fourth aspects, a bent portion that is bent toward the paint curtain side is provided at a lower end portion of the inclined portion. It is characterized by having.
Thereby, the liquid paint of the protrusion part received by the horizontal board part is moved along the bending part provided in the inclination part. As a result, dripping of the liquid paint during the movement in the inclined portion can be reduced.

請求項6に記載の発明に係る塗装方法は、液状塗料でカーテン状の塗料カーテンを形成する塗料カーテン形成工程と、被塗装体を前記塗料カーテンの中を横切らせる塗布工程と、前記被塗装体の搬送方向側へ引き寄せられた前記塗料カーテンのはみ出し部を受け止め、前記液状塗料を、前記塗料カーテンの幅方向端部へ流下させる汚染防止工程と、を有することを特徴としている。   The coating method according to the invention of claim 6 includes a paint curtain forming step of forming a curtain-like paint curtain with a liquid paint, an application step of traversing the object to be coated in the paint curtain, and the object to be coated And a contamination preventing step of receiving the protruding portion of the paint curtain drawn toward the transport direction side and causing the liquid paint to flow down to the width direction end of the paint curtain.

請求項6に記載の発明によれば、先ず、塗料カーテン形成工程により、液状塗料でカーテン状の塗料カーテンが形成される。次に、塗布工程により、被塗装体を塗料カーテンの中を横切らせる。最後に、汚染防止工程により、被塗装体の搬送方向側へ引き寄せられた塗料カーテンのはみ出し部を受け止め、液状塗料を、塗料カーテンの幅方向端部へ流下させる。   According to the sixth aspect of the invention, first, a curtain-like paint curtain is formed with a liquid paint by the paint curtain forming step. Next, the object to be coated is traversed through the paint curtain by an application process. Finally, in the contamination prevention process, the protruding portion of the paint curtain drawn toward the conveyance direction side of the object to be coated is received, and the liquid paint is caused to flow down to the width direction end of the paint curtain.

この結果、塗料カーテンの乱れによる搬送方向下流側の搬送装置の汚れを抑制する塗装方法を提供することができる。   As a result, it is possible to provide a coating method that suppresses contamination of the transport device on the downstream side in the transport direction due to the disturbance of the paint curtain.

本発明は、上記構成としてあるので、塗料カーテンの乱れによる搬送方向下流側の搬送ベルトの汚れを抑制する塗装装置及び塗装方法を提供することができる。   Since this invention is set as the said structure, the coating apparatus and coating method which suppress the stain | pollution | contamination of the conveyance belt of the conveyance direction downstream by disturbance of a paint curtain can be provided.

本発明の第1の実施の形態に係る塗装装置の基本構成を示す図である。It is a figure which shows the basic composition of the coating device which concerns on the 1st Embodiment of this invention. 従来の塗装装置における塗料カーテンの乱れを説明するための図である。It is a figure for demonstrating disorder of the paint curtain in the conventional coating device. 本発明の第1の実施の形態に係る塗装装置の効果を説明するための図である。It is a figure for demonstrating the effect of the coating device which concerns on the 1st Embodiment of this invention. 本発明の第2の実施の形態に係る塗装装置の基本構成を示す図である。It is a figure which shows the basic composition of the coating device which concerns on the 2nd Embodiment of this invention. 本発明の第3の実施の形態に係る塗装装置の基本構成を示す図である。It is a figure which shows the basic composition of the coating device which concerns on the 3rd Embodiment of this invention.

(第1の実施の形態)
図1に示すように、第1の実施の形態に係る塗装装置10は、塗装されるパネル12を矢印P方向に搬送する2つの搬送ベルト28、29を有している。
パネル12は、例えば構造物の壁材等に使用される樹脂製の平板であり、上面12Uが被塗装面とされている。パネル12の厚さはTとされ、搬送ベルト28、29の表面との間に段差が生じている。パネル12は、図示しない所定の間隔を開けて、連続して搬送ベルト28、29上を搬送され、搬送途中で塗装される。
(First embodiment)
As shown in FIG. 1, the coating apparatus 10 according to the first embodiment includes two transport belts 28 and 29 that transport the panel 12 to be painted in the direction of arrow P.
The panel 12 is a resin flat plate used for, for example, a wall material of a structure, and the upper surface 12U is a surface to be coated. The thickness of the panel 12 is T, and a step is generated between the surfaces of the conveyor belts 28 and 29. The panel 12 is continuously conveyed on the conveyor belts 28 and 29 with a predetermined interval (not shown), and is painted during the conveyance.

2つの搬送ベルト28、29は、向かい合う端部の間にスリット状の塗料流路16を設けて、同一線上に配置されている。2つの搬送ベルト28、29は、それぞれ駆動軸38で同一方向に駆動され、パネル12を矢印Pの方向に搬送する。塗料流路16の上方には、カーテンフローコーター(塗料流下装置)40が設けられている。   The two conveyor belts 28 and 29 are arranged on the same line with the slit-like paint flow channel 16 provided between the opposite ends. The two conveyor belts 28 and 29 are each driven in the same direction by the drive shaft 38 and convey the panel 12 in the direction of arrow P. A curtain flow coater (paint flow down device) 40 is provided above the paint flow path 16.

塗料流下装置40は、液状塗料17をカーテン状に流下させ、流下する液状塗料の膜、即ち塗料カーテン20を形成する。塗料流下装置40は、搬送ベルト28、29の上方(パネル12よりも上方)に設けられ、内部に液状塗料17を貯蔵している。塗料流下装置40は、下部のスリット41から直下に向けて、液状塗料17を連続して層状に流下させる。また、塗料流下装置40の下方には、流下された液状塗料17を回収する樋18が設けられている。樋18で受けられた液状塗料17は、再び塗料流下装置40に戻されて再利用される。この構成により、塗料流下装置40と樋18の間に、連続して塗料カーテン20を形成することができる。   The paint flow down device 40 causes the liquid paint 17 to flow down in the form of a curtain, and forms a liquid paint film that flows down, that is, the paint curtain 20. The paint flow-down device 40 is provided above the conveyor belts 28 and 29 (above the panel 12), and stores the liquid paint 17 therein. The paint flow down device 40 causes the liquid paint 17 to flow down in a continuous layer from the lower slit 41 toward the bottom. Further, below the coating material flow down device 40, a gutter 18 for collecting the flowed down liquid coating material 17 is provided. The liquid paint 17 received by the basket 18 is returned to the paint flow-down device 40 again and reused. With this configuration, the paint curtain 20 can be continuously formed between the paint flow-down device 40 and the eaves 18.

樋18は、塗料流路16(2つの搬送ベルト28、29の間)に設けられ、樋18の上端は開放され、搬送ベルト28、29の上面より低くされている。これにより、塗料カーテン20を形成する液状塗料を受けることができる。また、樋18の上方をパネル12が通過可能とされており、パネル12が樋18の上方を通過するときに、パネル12の上面12U(塗装面)が塗料カーテン20で塗装される。   The scissors 18 are provided in the paint flow path 16 (between the two transport belts 28 and 29), and the upper end of the scissors 18 is opened and is lower than the top surfaces of the transport belts 28 and 29. Thereby, the liquid paint which forms the paint curtain 20 can be received. Further, the panel 12 can pass above the ridge 18, and the upper surface 12 U (painted surface) of the panel 12 is painted with the paint curtain 20 when the panel 12 passes over the ridge 18.

塗料カーテン20の搬送方向下流側(搬送ベルト29側)には、防汚ガード22が、側面を塗料カーテン20と対向させて設けられている。防汚ガード22は金属、木材、樹脂等の平板で形成され、上端部は塗料流下装置40の下部に取付けられ、塗料流下装置40から鉛直方向に吊り下げられている。   An antifouling guard 22 is provided on the downstream side in the conveyance direction of the paint curtain 20 (on the conveyance belt 29 side) with the side surface facing the paint curtain 20. The antifouling guard 22 is formed of a flat plate made of metal, wood, resin, etc., and its upper end is attached to the lower part of the paint flow down device 40 and is suspended from the paint flow down device 40 in the vertical direction.

防汚ガード22は、図1(B)に示すように、塗料カーテン20を超える幅で、パネル12の上方を横方向に覆う受けプレート33を有している。受けプレート33の下端部には、中央部が最も高く、両側のガイド部34側が最も低くされ、中央部から両方のガイド部34へ向けて傾斜した傾斜部26が形成されている。受けプレート33の両端部には、傾斜部26の下端部から下方へ伸びるガイド部34が設けられている。両方のガイド部34の下端部は、いずれも、搬送ベルト29の側方において、樋18の内部に差し込まれている。   As shown in FIG. 1B, the antifouling guard 22 has a receiving plate 33 that covers the upper side of the panel 12 in a lateral direction with a width exceeding the paint curtain 20. In the lower end portion of the receiving plate 33, an inclined portion 26 that is the highest at the central portion, the lowest at the guide portions 34 on both sides, and inclined from the central portion toward both the guide portions 34 is formed. At both end portions of the receiving plate 33, guide portions 34 extending downward from the lower end portion of the inclined portion 26 are provided. The lower end portions of both guide portions 34 are inserted into the inside of the flange 18 on the side of the conveyor belt 29.

なお、傾斜部26は、1つの連続した直線で構成されたものに限定されるものではなく、複数の直線を組み合わせて構成されていてもよい。更に、曲線で中央部から両方のガイド部34へ向けて傾斜させてもよい。   In addition, the inclination part 26 is not limited to what was comprised by one continuous straight line, and may be comprised combining the some straight line. Furthermore, you may incline toward the both guide parts 34 from a center part with a curve.

次に、本実施の形態による作用、効果を、従来の塗装装置と比較しながら説明する。
図2は従来の塗装装置30による塗装の流れを示す図であり、防汚ガードは設けられていない。図1、3は、本実施の形態に係る塗装装置10であり、塗料流下装置の下部でありパネル12の搬送方向下流側に、防汚ガード22が設けられている。
Next, the operation and effect of the present embodiment will be described in comparison with a conventional coating apparatus.
FIG. 2 is a diagram showing a flow of painting by the conventional painting apparatus 30, and no antifouling guard is provided. 1 and 3 show a coating apparatus 10 according to the present embodiment, and an antifouling guard 22 is provided on the downstream side of the panel 12 in the conveyance direction, which is the lower part of the paint flow-down apparatus.

図2に示すように、従来の塗装装置30でパネル12を塗装した場合には、パネル12が搬送ベルト28、29上を矢印Pの方向へ搬送される(図2(A))。パネル12が搬送され塗料カーテン20を横切るときに、パネル12の上面12Uが液体塗料で順次塗装される(図2(B))。パネル12が更に搬送され、パネル12の後端部が塗料カーテン20を通過した時点で塗装が終了する(図2(C))。このとき、パネル12の上面12Uと搬送ベルト29との寸法Tの高低差に伴い、パネル12の周囲の気流が乱される。この結果、塗料カーテン20の下部が、パネル12の後端部側に引き寄せられる。このとき、塗料カーテン20の下部のはみ出し部21が、搬送ベルト29の上面まではみ出る。このはみ出し部21の液状塗料17が搬送ベルト29の上面に滴下して、汚れ32が形成される(図2(D))。   As shown in FIG. 2, when the panel 12 is coated with the conventional coating apparatus 30, the panel 12 is transported on the transport belts 28 and 29 in the direction of arrow P (FIG. 2 (A)). When the panel 12 is conveyed and crosses the paint curtain 20, the upper surface 12U of the panel 12 is sequentially coated with liquid paint (FIG. 2B). When the panel 12 is further conveyed and the rear end of the panel 12 passes through the paint curtain 20, the coating is completed (FIG. 2C). At this time, the airflow around the panel 12 is disturbed along with the height difference in the dimension T between the upper surface 12U of the panel 12 and the conveyor belt 29. As a result, the lower part of the paint curtain 20 is drawn toward the rear end side of the panel 12. At this time, the protruding portion 21 below the paint curtain 20 protrudes to the upper surface of the conveyor belt 29. The liquid coating material 17 of the protruding portion 21 is dropped on the upper surface of the transport belt 29 to form a dirt 32 (FIG. 2D).

これに対し、図1、3に示すように、本実施の形態に係る塗装装置10は、塗料流下装置40の下部であり、パネル12の搬送方向下流側に、防汚ガード22が吊り下げられている。このため、パネル12の後端部が通過した後、塗料カーテン20の下部が搬送ベルト29側に移動しても、防汚ガード22がはみ出し部21における液状塗料17の流れを搬送ベルト29の前で遮り、搬送ベルト29の汚れが抑制される。   On the other hand, as shown in FIGS. 1 and 3, the coating apparatus 10 according to the present embodiment is a lower part of the paint flow-down apparatus 40, and the antifouling guard 22 is suspended on the downstream side in the conveyance direction of the panel 12. ing. For this reason, even after the rear end of the panel 12 passes, even if the lower part of the paint curtain 20 moves toward the transport belt 29, the antifouling guard 22 causes the flow of the liquid paint 17 in the protruding portion 21 to the front of the transport belt 29. And the contamination of the conveyor belt 29 is suppressed.

具体的には、図1(B)に示すように、搬送ベルト29側へはみ出した塗料カーテン20のはみ出し部21は、防汚ガード22の受けプレート33で受け止められる。受け止められた液体塗料17は、受けプレート33の下端部に形成された傾斜部26に沿って、矢印Wで示すように、側方のガイド部34へ向かって移動流される。両端部のガイド部34に到達した液体塗料17は、下方へ流れ落ちて樋18に回収される。
この結果、塗料カーテン20の乱れによる搬送方向(P方向)下流側の搬送ベルト29の汚れを抑制することができる。
Specifically, as shown in FIG. 1B, the protruding portion 21 of the paint curtain 20 that protrudes toward the conveyor belt 29 is received by a receiving plate 33 of the antifouling guard 22. The received liquid paint 17 is moved and moved toward the side guide portion 34 as indicated by an arrow W along the inclined portion 26 formed at the lower end portion of the receiving plate 33. The liquid paint 17 that has reached the guide portions 34 at both ends flows down and is collected in the tub 18.
As a result, contamination of the conveyance belt 29 on the downstream side in the conveyance direction (P direction) due to the disturbance of the paint curtain 20 can be suppressed.

なお、パネル12が更に搬送され、塗料カーテン20から離れると、塗料カーテン20は自重で直下へ流れる状態に戻る。これにより気流の乱れは徐々に解消され、塗料カーテン20の乱れも解消される。続いて、次のパネル13が搬送される。次のパネル13が塗料カーテン20を通過する際には、塗料カーテン20は正常な流下状態となり、次のパネル13が正常に塗装される。   In addition, when the panel 12 is further conveyed and separated from the paint curtain 20, the paint curtain 20 returns to a state of flowing directly under its own weight. Thereby, the disturbance of the airflow is gradually eliminated, and the disturbance of the paint curtain 20 is also eliminated. Subsequently, the next panel 13 is conveyed. When the next panel 13 passes through the paint curtain 20, the paint curtain 20 is in a normal flow-down state, and the next panel 13 is normally coated.

次に、塗装方法について図1を用いて説明する。なお、発明の構成要素は、既に説明しているので、詳細な説明は省略する。
塗装装置10による塗装は、次の手順で実行される。
Next, the coating method will be described with reference to FIG. Since the constituent elements of the invention have already been described, detailed description thereof will be omitted.
The painting by the painting apparatus 10 is performed in the following procedure.

先ず、塗料カーテン成型工程を実行する。具体的には、塗料流下装置40を稼働させ、塗料流下装置40の内部に貯蔵させた液状塗料17をカーテン状に流下させ、液状塗料17でカーテン状の塗料カーテン20を形成させる。
次に、塗布工程を実行する。具体的には、塗料カーテン20の上流側と下流側に設置した搬送ベルト28、29を稼働させ、パネル12を搬送ベルト28、29で搬送しながら塗料カーテン20の中を横切らせる。
First, a paint curtain molding process is executed. Specifically, the paint flow apparatus 40 is operated, the liquid paint 17 stored in the paint flow apparatus 40 is caused to flow in a curtain shape, and the curtain paint curtain 20 is formed with the liquid paint 17.
Next, an application process is performed. Specifically, the conveyor belts 28 and 29 installed on the upstream side and the downstream side of the paint curtain 20 are operated, and the panel 12 is conveyed by the conveyor belts 28 and 29 and traverses the paint curtain 20.

最後に、汚染防止工程を実行する。具体的には、パネル12の搬送方向側へ引き寄せられた塗料カーテン20のはみ出し部21が、搬送ベルト29まで到達する前に、防汚ガード22で受け止める。受け止めた液状塗料17は、傾斜部26を伝わって移動させ、塗料カーテン20の幅方向端部へ流下させる。これにより、パネル12の上面12Uが塗装される。
この塗装方法を採用することにより、防汚ガード22により、塗料カーテン20のはみ出し部21が受け止められ、搬送方向下流側の搬送ベルト29の汚れが抑制される。
Finally, a contamination prevention process is performed. Specifically, the protruding portion 21 of the paint curtain 20 drawn toward the conveyance direction of the panel 12 is received by the antifouling guard 22 before reaching the conveyance belt 29. The received liquid paint 17 is moved along the inclined portion 26 and flows down to the end portion in the width direction of the paint curtain 20. Thereby, the upper surface 12U of the panel 12 is painted.
By adopting this coating method, the antifouling guard 22 receives the protruding portion 21 of the paint curtain 20 and suppresses the contamination of the conveying belt 29 on the downstream side in the conveying direction.

(第2の実施の形態)
図4に示すように、第2の実施の形態に係る塗装装置48は、第1の実施の形態で説明した防汚ガード22を、防汚ガード42に置換した構成である。
(Second Embodiment)
As shown in FIG. 4, the coating apparatus 48 according to the second embodiment has a configuration in which the antifouling guard 22 described in the first embodiment is replaced with an antifouling guard 42.

防汚ガード42は、受けプレート54と、受けプレート54の片方の下方にガイド部55を備えた平板とされている。ここに、受けプレート54は、塗料カーテン20を超える幅でパネル12の上方を覆い、塗料カーテン20の図示しないはみ出し部21を受け止める。また、受けプレート54の下端部には、一方の端部が最も高く、他方の端部が最も低い傾斜部46を有している。
ガイド部55は、受けプレート54の一方の端部(最も低い傾斜部側)の下部に、傾斜部46と連続して下方へ向けて設けられている。ガイド部55の下端部は、搬送ベルト29の側方において、樋18に差し込まれている。
これにより、受けプレート54で、塗料カーテン20に生じたはみ出し部が受け止められる。また、受けプレート54により受け止められたはみ出し部の液状塗料17は、図4(B)に示すように、傾斜部46に沿って矢印Wで示すように、側方へ移動され、ガイド部55を介して樋18に回収される。
The antifouling guard 42 is a flat plate provided with a receiving plate 54 and a guide portion 55 below one side of the receiving plate 54. Here, the receiving plate 54 covers the upper portion of the panel 12 with a width exceeding the paint curtain 20 and receives the protruding portion 21 (not shown) of the paint curtain 20. Further, the lower end portion of the receiving plate 54 has an inclined portion 46 that is highest at one end and lowest at the other end.
The guide portion 55 is provided below the one end portion (the lowest inclined portion side) of the receiving plate 54 so as to continue downward from the inclined portion 46. A lower end portion of the guide portion 55 is inserted into the flange 18 on the side of the conveyance belt 29.
As a result, the protruding portion generated in the paint curtain 20 is received by the receiving plate 54. Further, as shown in FIG. 4B, the liquid paint 17 at the protruding portion received by the receiving plate 54 is moved sideways along the inclined portion 46 as indicated by an arrow W, and the guide portion 55 is moved. It is collected in the tub 18 through.

この結果、塗料カーテン20の乱れによる搬送方向下流側の搬送ベルト29の汚れを抑制することができる。
他の構成は、第1の実施の形態と同じであり、説明は省略する。
As a result, contamination of the conveyor belt 29 on the downstream side in the conveyance direction due to the disturbance of the paint curtain 20 can be suppressed.
Other configurations are the same as those of the first embodiment, and a description thereof will be omitted.

(第3の実施の形態)
図5に示すように、第3の実施の形態に係る塗装装置50は、第1の実施の形態で説明した防汚ガード22を、防汚ガード52に置換した構成である。
ここに、防汚ガード52は、第1の実施の形態で説明した防汚ガード22とほぼ同じ形状とされている。即ち、傾斜部26の下端部には、塗料カーテン20側に向けて折り曲げられた折り曲げ部60が設けられている。一方、防汚ガード22には折り曲げ部60は、設けられていない。
(Third embodiment)
As shown in FIG. 5, the coating apparatus 50 according to the third embodiment has a configuration in which the antifouling guard 22 described in the first embodiment is replaced with an antifouling guard 52.
Here, the antifouling guard 52 has substantially the same shape as the antifouling guard 22 described in the first embodiment. That is, the lower end portion of the inclined portion 26 is provided with a bent portion 60 that is bent toward the paint curtain 20 side. On the other hand, the antifouling guard 22 is not provided with the bent portion 60.

これにより、防汚ガード52の受けプレート33に受け止められた液体塗料17を、折り曲げ部60を利用して傾斜部26に沿わせ、矢印Wに示すように、ガイド部34に移動させることができる。ガイド部34まで移動された液体塗料17は、ガイド部34を伝わって滴下し、樋18で回収される。
この結果、折り曲げ部60により、傾斜部26の途中での液状塗料17の滴下がより確実に抑制される。
Thereby, the liquid paint 17 received by the receiving plate 33 of the antifouling guard 52 can be moved along the inclined portion 26 using the bent portion 60 and moved to the guide portion 34 as indicated by an arrow W. . The liquid paint 17 moved to the guide part 34 is dropped through the guide part 34 and is collected by the basket 18.
As a result, the bent portion 60 more reliably suppresses the dripping of the liquid paint 17 in the middle of the inclined portion 26.

このとき、液体塗料17をより確実に受け止め、搬送ベルト29への滴下を防ぐためには、折り曲げ部60の折り曲げ角度は、受けプレート37の側面に対しほぼ直交する角度が望ましい。さらに、折り返し部の先端60Sの厚さは、先端60Sの位置での滴下を防ぐため、細いのが望ましい。
他の構成は、第1の実施の形態と同じであり、説明は省略する。
At this time, in order to receive the liquid paint 17 more reliably and prevent the liquid paint 17 from dripping onto the transport belt 29, the bending angle of the bending portion 60 is preferably an angle substantially orthogonal to the side surface of the receiving plate 37. Furthermore, the thickness of the tip 60S of the folded portion is preferably thin in order to prevent dripping at the position of the tip 60S.
Other configurations are the same as those of the first embodiment, and a description thereof will be omitted.

なお、本実施の形態では、第1の実施の形態で説明した防汚ガード22を用いて説明した。しかし、これに限定されることはなく、第2の実施の形態で説明した防汚ガード42を用いてもよい。この場合は、防汚ガード42の傾斜部46に、折り曲げ部60が取り付けられる。   In the present embodiment, the antifouling guard 22 described in the first embodiment is used. However, the present invention is not limited to this, and the antifouling guard 42 described in the second embodiment may be used. In this case, the bent portion 60 is attached to the inclined portion 46 of the antifouling guard 42.

10 塗装装置
12 パネル(被塗装体)
16 塗料流路
17 液体塗料
18 樋
20 塗料カーテン
21 はみ出し部
22 防汚ガード(防汚手段)
26 傾斜部
28 搬送ベルト(搬送手段)
29 搬送ベルト(搬送手段)
33 受けプレート(横板部)
34 ガイド部(脚部)
40 塗料流下装置(塗料流下手段)
42 防汚ガード(防汚手段)
46 傾斜部
54 受けプレート(横板部)
55 ガイド部(脚部)
60 折り曲げ部
10 Coating equipment 12 Panel (Substance to be coated)
16 Paint flow path 17 Liquid paint 18 20 20 Paint curtain 21 Overhang part 22 Antifouling guard (antifouling means)
26 Inclined portion 28 Conveying belt (conveying means)
29 Conveying belt (conveying means)
33 Receiving plate (horizontal plate)
34 Guide (leg)
40 Paint flow down device (paint flow down means)
42 Antifouling guard
46 Inclined part 54 Receiving plate (horizontal plate part)
55 Guide part (leg part)
60 Folding part

Claims (6)

液状塗料をカーテン状に流下させる塗料流下手段と、
前記塗料流下手段で形成された塗料カーテンの中を横切って、被塗装体を搬送する搬送手段と、
前記塗料流下手段の前記被塗装体の搬送方向下流側に設けられ、前記被塗装体の前記搬送方向側へ引き寄せられた前記塗料カーテンのはみ出し部を受け止めると共に、下端部には、前記搬送方向と交差する方向に傾斜する傾斜部が設けられている防汚手段と、
を有する塗装装置。
Paint flow down means for flowing down the liquid paint in a curtain shape;
Transport means for transporting the object to be coated across the paint curtain formed by the paint flow means;
Provided on the downstream side in the transport direction of the object to be coated of the paint flow-down means, receives the protruding portion of the paint curtain drawn toward the transport direction side of the object to be coated, Antifouling means provided with an inclined portion inclined in the intersecting direction;
Painting equipment.
前記防汚手段は、前記塗料カーテンの幅を超える幅で形成され、前記はみ出し部を受け止める横板部と、前記横板部の下端部に形成され中央部が高く両側が低い傾斜部と、を有している請求項1に記載の塗装装置。   The antifouling means is formed with a width exceeding the width of the paint curtain, and a horizontal plate portion that receives the protruding portion, and an inclined portion that is formed at a lower end portion of the horizontal plate portion and has a high central portion and low both sides. The coating apparatus of Claim 1 which has. 前記防汚手段は、前記塗料カーテンの幅を超える幅で形成され、前記はみ出し部を受け止める横板部と、前記横板部の下端部に形成され、一方の端部側が高く他方の端部側が低い傾斜部と、を有している請求項1に記載の塗装装置。   The antifouling means is formed with a width exceeding the width of the paint curtain, and is formed at a horizontal plate portion that receives the protruding portion and a lower end portion of the horizontal plate portion, and one end side is high and the other end side is The coating apparatus of Claim 1 which has a low inclination part. 前記傾斜部の下端部には、下方へ伸びる脚部が形成され、前記脚部の下方には樋が設けられている請求項1〜3のいずれか1項に記載の塗装装置。   The coating apparatus according to any one of claims 1 to 3, wherein a leg portion extending downward is formed at a lower end portion of the inclined portion, and a hook is provided below the leg portion. 前記傾斜部の下端部には、前記塗料カーテン側に向けて折り曲げられた折り曲げ部が設けられている請求項1〜4のいずれか1項に記載の塗装装置。   The coating apparatus of any one of Claims 1-4 in which the bending part bent toward the said coating material curtain side is provided in the lower end part of the said inclination part. 液状塗料でカーテン状の塗料カーテンを形成する塗料カーテン形成工程と、
被塗装体を前記塗料カーテンの中を横切らせる塗布工程と、
前記被塗装体の搬送方向側へ引き寄せられた前記塗料カーテンのはみ出し部を受け止め、前記液状塗料を、前記塗料カーテンの幅方向端部へ流下させる汚染防止工程と、
を有する塗装方法。
A paint curtain forming process for forming a curtain-like paint curtain with liquid paint;
An application step of crossing the object to be coated through the paint curtain;
A contamination preventing step of receiving a protruding portion of the paint curtain drawn toward the conveying direction side of the object to be coated, and causing the liquid paint to flow down to an end portion in the width direction of the paint curtain;
A painting method having.
JP2011081586A 2011-04-01 2011-04-01 Coating apparatus and coating method Withdrawn JP2012213735A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269401A (en) * 2016-09-30 2017-01-04 四川建筑职业技术学院 A kind of flooring wood paint application device being difficult to reveal
CN109834013A (en) * 2019-02-20 2019-06-04 东莞意能达新材料科技有限公司 A kind of coat of paint manufacture craft and japanning electro-optical device
CN110732423A (en) * 2019-10-31 2020-01-31 重庆市佳禾家具制造有限公司 spray coating device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106269401A (en) * 2016-09-30 2017-01-04 四川建筑职业技术学院 A kind of flooring wood paint application device being difficult to reveal
CN109834013A (en) * 2019-02-20 2019-06-04 东莞意能达新材料科技有限公司 A kind of coat of paint manufacture craft and japanning electro-optical device
CN110732423A (en) * 2019-10-31 2020-01-31 重庆市佳禾家具制造有限公司 spray coating device
CN110732423B (en) * 2019-10-31 2021-07-20 重庆市佳禾家具制造有限公司 Curtain coating device

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