JP6162966B2 - Method and apparatus for manufacturing painted building board - Google Patents

Method and apparatus for manufacturing painted building board Download PDF

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JP6162966B2
JP6162966B2 JP2013017709A JP2013017709A JP6162966B2 JP 6162966 B2 JP6162966 B2 JP 6162966B2 JP 2013017709 A JP2013017709 A JP 2013017709A JP 2013017709 A JP2013017709 A JP 2013017709A JP 6162966 B2 JP6162966 B2 JP 6162966B2
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building board
nozzle
receiving member
paint
board
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JP2014147881A (en
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億雄 鍬口
億雄 鍬口
司 川口
司 川口
正樹 柳郷
正樹 柳郷
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KMEW Co Ltd
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Kubota Matsushitadenko Exterior Works Ltd
KMEW Co Ltd
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Description

本発明は、塗装建築板の製造方法、及びこの方法に使用されうる塗装装置に関する。   The present invention relates to a method for manufacturing a painted building board and a coating apparatus that can be used in this method.

外壁材等の建築板にロータリースプレー方式によってスプレー塗装する場合、建築板の厚み方向の一つの面が効率良く塗装される(特許文献1参照)。   When spray coating is applied to a building board such as an outer wall material by a rotary spray method, one surface in the thickness direction of the building board is efficiently painted (see Patent Document 1).

しかし、ロータリースプレー方式の塗装方法では、建築板の端部は塗装されにくいため、端部を塗装するための別途の工程が追加される必要がある。このことが、塗装建築板の製造効率の低下を招いていた。   However, in the rotary spray method, it is difficult to paint the end of the building board, so a separate process for painting the end needs to be added. This has led to a decrease in manufacturing efficiency of painted building boards.

特開2000−61364号公報JP 2000-61364 A

本発明は上記事由に鑑みてなされたものであり、建築板を、その端部を含めて効率良く塗装することで、塗装建築板を効率良く製造するための方法、並びにそのための塗装装置を提供することを、課題とする。   The present invention has been made in view of the above reasons, and provides a method for efficiently producing a painted building board by efficiently painting a building board including its end, and a coating apparatus therefor. It is a task to do.

第1の態様に係る塗装建築板の製造方法は、建築板を搬送しながら、ノズルから塗料を噴射すると共にこのノズルを移動させることによって、前記建築板を塗装する工程を含み、
前記建築板は、第一の面と、第一の面とは反対側の面である第二の面を備え、
前記建築板に対して、搬送方向と直交する側方の位置に、受け部材を配置し、
前記受け部材と前記建築板の端部との間に、前記建築板の搬送方向と直交する方向の隙間が設けられており、
前記受け部材の受け面の高さ位置は、前記建築板の第一の面よりも下方であり、且つ前記建築板の第二の面の高さ位置と同程度であり、
前記ノズルから前記受け部材へ塗料を吹き付けることで、前記塗料を、前記受け部材で跳ね返らせて前記建築板の搬送方向と直交する方向の端部へ到達させることにより、前記端部を塗装することを特徴とする。
The manufacturing method of the painted building board which concerns on a 1st aspect includes the process of coating the said building board by injecting a paint from a nozzle and moving this nozzle, conveying a building board,
The building board includes a first surface and a second surface which is a surface opposite to the first surface,
With respect to the building board, a receiving member is arranged at a lateral position orthogonal to the conveying direction,
Between the said receiving member and the edge part of the said building board, the clearance gap of the direction orthogonal to the conveyance direction of the said building board is provided,
The height position of the receiving surface of the receiving member is lower than the first surface of the building board and is approximately the same as the height position of the second surface of the building board,
By spraying paint from the nozzle to the receiving member, the paint is rebounded by the receiving member to reach the end in a direction orthogonal to the conveying direction of the building board, thereby painting the end. It is characterized by that.

第2の態様に係る塗装建築板の製造方法では、第1の態様において、前記建築板と前記受け部材の間の前記隙間の幅が50mm以下である。 In the manufacturing method of the painted building board which concerns on a 2nd aspect, in the 1st aspect, the width | variety of the said clearance gap between the said building board and the said receiving member is 50 mm or less.

第3の態様に係る塗装建築板の製造方法では、第1又は第2の態様において、前記ノズルによって、ロータリースプレー方式により塗装を施す。   In the manufacturing method of the painted building board which concerns on a 3rd aspect, it paints with a rotary spray system with the said nozzle in the 1st or 2nd aspect.

第4の態様に係る塗装建築板の製造方法では、第3の態様において、前記ノズルの周回移動の周期T(s)、前記受け部材の前記搬送方向に沿った長さ寸法L(m)、及び前記建築板の搬送速度R(m/s)が、次の関係を満たし、
前記ノズルの周回移動の軌道は、平面視において、建築板と重なるように設定され、更に平面視において建築板の端部からはみ出すように設定される。
1.5≦L/(T×R)≦2
第5の態様に係る建築板の塗装装置は、第一の面と、前記第一の面の反対の面である第二の面とを備える建築板を、前記第一の面が上方を向く状態で、水平方向に搬送するように構成される搬送装置と、
前記建築板の上方で水平な軌道上を周回移動しながら、前記建築板の厚み方向の一つの面に塗料を噴射させることによって、前記建築板を塗装するように構成されるノズルと、
前記建築板に対して、前記建築板の搬送方向と直交する側方の位置に配置される受け部材と、
を備え、
前記受け部材と前記建築板の端部には、前記建築板の搬送方向と直交する方向の隙間があいており、
前記受け部材の受け面の高さ位置は、前記建築板の第一の面よりも下方であり、且つ前記建築板の第二の面の高さ位置と同程度であり、
前記受け部材が、前記ノズルから吹き付けられた塗料を跳ね返して前記建築板の端部へ到達させるように構成されていることを特徴とする。
In the method for manufacturing a painted building board according to the fourth aspect, in the third aspect, the period T (s) of the circumferential movement of the nozzle, the length dimension L (m) along the transport direction of the receiving member, and the transport speed of the building board R (m / s) is to satisfy the following relation,
The orbit of the circular movement of the nozzle is set so as to overlap with the building board in a plan view, and further set so as to protrude from the end of the building board in the plan view.
1.5 ≦ L / (T × R) ≦ 2
Coating device engagement Ru denominated Tsukiban the fifth aspect, the first surface, a building board and a second surface which is opposite to the surface of said first surface, said first surface is the upper A conveying device configured to convey horizontally in a state facing
A nozzle configured to paint the building board by spraying paint on one surface in the thickness direction of the building board while moving around on a horizontal track above the building board ;
With respect to the building board, a receiving member arranged at a lateral position orthogonal to the conveying direction of the building board ,
With
At the end of the receiving member and the building board, there is a gap in the direction orthogonal to the conveying direction of the building board,
The height position of the receiving surface of the receiving member is lower than the first surface of the building board and is approximately the same as the height position of the second surface of the building board,
The receiving member is configured to rebound the paint sprayed from the nozzle and reach the end of the building board.

本発明によれば、スプレー塗装によって建築板の厚み方向の一つの面を塗装し、更にこのスプレー塗装に利用されるノズルから吹き付けられる塗料を受け部材によって跳ね返して建築板の端部に到達させることで、端部にも塗装を施すことができる。これにより、建築板を、その端部を含めて効率良く塗装することで、塗装建築板を効率良く製造することができる。   According to the present invention, one surface in the thickness direction of the building board is coated by spray coating, and further, the paint sprayed from the nozzle used for this spray coating is rebounded by the receiving member to reach the end of the building board. And the end can also be painted. Thereby, a painted building board can be efficiently manufactured by painting a building board efficiently including the edge part.

本発明の一実施形態を示す概略の断面図である。1 is a schematic cross-sectional view showing an embodiment of the present invention. (a)及び(b)は、前記実施形態を示す一部の断面図である。(A) And (b) is a partial cross section figure which shows the said embodiment. 前記実施形態を示す概略の平面図である。It is a schematic plan view showing the embodiment. 前記実施形態の第一の変形例を示す概略の平面図である。It is a schematic plan view which shows the 1st modification of the said embodiment. 前記実施形態の第二の変形例を示す概略の平面図である。It is a schematic plan view showing a second modification of the embodiment.

以下、本発明の一実施形態について、図1〜3を参照して説明する。   Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

本実施形態では、建築板1が作製され、この建築板1に塗装が施されることで、塗装建築板が製造される。   In this embodiment, the building board 1 is produced and the building board 1 is manufactured by coating the building board 1.

建築板1の材質は、特に制限されないが、例えばフレキシブルボード、珪酸カルシウム板、石膏スラグパーライト板、木片セメント板、プレキャストコンクリート板、ALC板、石膏ボード等の無機質板、鋼板サイディング材等の金属サイディング材などが、挙げられる。   The material of the building board 1 is not particularly limited, but metal siding such as flexible board, calcium silicate board, gypsum slag perlite board, wood cement board, precast concrete board, ALC board, gypsum board and other inorganic board, steel sheet siding material, etc. Examples include materials.

建築板1の材質は、特に制限されず、建築板1は、窯業系材料、金属系材料、樹脂系材料等の、適宜の材料から形成されうる。   The material in particular of the building board 1 is not restrict | limited, The building board 1 can be formed from appropriate materials, such as a ceramic material, a metal material, and a resin material.

建築板1が窯業系材料から形成される場合、建築板1は、例えば水硬性材料、無機充填剤、繊維質材料等を含有する窯業系成形材料から形成される。このような窯業系成形材料が成形され、更に養生硬化されることで、建築板1が作製される。水硬性材料は、例えばポルトランドセメント、高炉セメント、高炉スラグ、ケイ酸カルシウム、及び石膏から選ばれる一種以上の材料を含有することができる。無機充填剤は、例えばフライアッシュ、ミクロシリカ、及び珪砂から選択される一種以上の材料を含有することができる。繊維質材料は、例えばパルプ、合成繊維等の有機繊維、並びにスチールファイバー等の金属繊維から選択される一種以上の材料を含有することができる。   When the building board 1 is formed from a ceramic material, the building board 1 is formed from a ceramic molding material containing, for example, a hydraulic material, an inorganic filler, a fibrous material, and the like. Such a ceramic molding material is molded and cured and cured, whereby the building board 1 is produced. The hydraulic material can contain one or more materials selected from, for example, Portland cement, blast furnace cement, blast furnace slag, calcium silicate, and gypsum. The inorganic filler can contain one or more materials selected from, for example, fly ash, microsilica, and silica sand. The fibrous material can contain one or more materials selected from organic fibers such as pulp and synthetic fibers, and metal fibers such as steel fibers.

窯業系材料は、例えば押出成形、注型成形、抄造成形、プレス成形等の適宜の方法により成形される。これにより得られた成形体が、養生硬化されることで、建築板1が得られる。養生方法は、例えばオートクレーブ養生法、蒸気養生法、及び常温養生法から選択される。   The ceramic material is molded by an appropriate method such as extrusion molding, cast molding, papermaking molding, press molding, or the like. The building board 1 is obtained by the curing | hardening hardening of the molded object obtained by this. The curing method is selected from, for example, an autoclave curing method, a steam curing method, and a room temperature curing method.

本実施形態では、建築板1の一つの端部に第一の嵌合部13が形成され、この第一の嵌合部13とは反対側の端部に、第一の嵌合部13と嵌合する形状を有する第二の嵌合部14が形成されている。第一の嵌合部13には、建築板1の第一の面15側へ開放されている切り欠き状の凹所が形成され、第二の嵌合部14には、建築板1の第二の面16側へ開放されている切り欠き状の凹所が形成されている。これにより、第二の嵌合部14が第一の嵌合部13に嵌合する形状となっている。尚、第一の面15とは、建築板1の厚み方向の一つの面であり、第二の面16とは、建築板1の第一の面15とは反対側の面である。第一の嵌合部13及び第二の嵌合部14は、窯業系材料が成形される際に形成されてもよいし、成形体が養生硬化されてから機械的加工等により形成されてもよい。   In this embodiment, the 1st fitting part 13 is formed in one edge part of the building board 1, and the 1st fitting part 13 is formed in the edge part on the opposite side to this 1st fitting part 13. A second fitting portion 14 having a fitting shape is formed. The first fitting part 13 is formed with a notch-like recess that is open to the first surface 15 side of the building board 1, and the second fitting part 14 has a first part of the building board 1. A notch-shaped recess opened to the second surface 16 side is formed. As a result, the second fitting portion 14 is fitted to the first fitting portion 13. The first surface 15 is one surface in the thickness direction of the building board 1, and the second surface 16 is a surface opposite to the first surface 15 of the building board 1. The first fitting portion 13 and the second fitting portion 14 may be formed when the ceramic material is molded, or may be formed by mechanical processing after the molded body is cured and cured. Good.

このような建築板1が搬送されながら、ノズル3から塗料が噴射されると共にこのノズル3が移動することによって、建築板1が塗装される。   While the building board 1 is transported, the paint is sprayed from the nozzle 3 and the nozzle 3 moves to coat the building board 1.

建築板1の塗装のためには、塗装装置が用いられる。塗装装置は、搬送装置4と、ノズル3と、受け部材2とを備える。   For painting the building board 1, a painting device is used. The coating apparatus includes a transport device 4, a nozzle 3, and a receiving member 2.

搬送装置4は、例えば建築板1を、その第一の面15が上方を向く状態で、水平方向に搬送するように構成される。搬送装置4は、例えばベルトコンベア、ローラコンベア等のコンベアから構成される。本実施形態では、搬送装置4において、建築板1は、その第一の嵌合部13と第二の嵌合部14とが、搬送方向Dと直交する方向に並ぶように、配置される。また、二つの建築板1(以下、便宜的に第一の建築板11及び第二の建築板12という)が、搬送方向Dと直交する方向並ぶように、配置される。すなわち、本実施形態では、建築板1が二つずつ順次搬送される。第一の建築板11の第二の嵌合部14と、第二の建築板12の第一の嵌合部13とは、間隔をあけて対向するように配置される。尚、建築板1を、搬送方向Dと直交する方向に並べずに、一つずつ順次搬送してもよいし、三つ以上の建築板1を搬送方向Dと直交する方向に並べることで、建築板1を三つ以上ずつ順次搬送してもよい。   The conveying device 4 is configured to convey, for example, the building board 1 in the horizontal direction with the first surface 15 facing upward. The conveying apparatus 4 is comprised from conveyors, such as a belt conveyor and a roller conveyor, for example. In the present embodiment, in the transport device 4, the building board 1 is arranged such that the first fitting portion 13 and the second fitting portion 14 are arranged in a direction orthogonal to the transport direction D. In addition, two building boards 1 (hereinafter referred to as a first building board 11 and a second building board 12 for convenience) are arranged so as to be aligned in a direction orthogonal to the transport direction D. That is, in this embodiment, the building board 1 is sequentially conveyed two by two. The 2nd fitting part 14 of the 1st building board 11 and the 1st fitting part 13 of the 2nd building board 12 are arrange | positioned so that it may oppose at intervals. In addition, you may convey the building board 1 sequentially one by one without arranging in the direction orthogonal to the conveyance direction D, or by arranging three or more building boards 1 in the direction orthogonal to the conveyance direction D. Three or more building boards 1 may be sequentially conveyed.

ノズル3は、建築板1の上方で移動しながら塗料を噴射するように構成される。本実施形態では、ノズル3は、搬送装置4の上方で水平な軌道C上を周回移動するように構成される(図3参照)。軌道C上には複数のノズル3が配置され、これらが同時に周回移動するように構成されてもよい。この場合、ロータリースプレー方式により建築板1を塗装することができる。   The nozzle 3 is configured to inject paint while moving above the building board 1. In the present embodiment, the nozzle 3 is configured to move around on a horizontal track C above the transport device 4 (see FIG. 3). A plurality of nozzles 3 may be arranged on the track C, and these may be configured to simultaneously move around. In this case, the building board 1 can be painted by a rotary spray method.

ノズル3を周回移動させるためには、例えば搬送経路の上方に、複数のノズル3を備えるロータリースプレー方式のスプレー塗装器が配置される。スプレー塗装器は、公知の適宜の構成を有することができる。例えばスプレー塗装器は、鉛直軸を中心に回転駆動する回転体と、この回転体から放射状に突出する複数の腕部と、各椀部の先端に取り付けられたノズル3とを備えることができる。この場合、回転体が回転駆動することで、複数のノズル3が、塗料を噴射しながら水平な軌道Cを周回移動することができる。   In order to move the nozzle 3 around, for example, a rotary spray type spray coating device including a plurality of nozzles 3 is arranged above the transport path. The spray coater can have a known appropriate configuration. For example, the spray coater can include a rotating body that is driven to rotate about a vertical axis, a plurality of arms that project radially from the rotating body, and a nozzle 3 that is attached to the tip of each collar. In this case, by rotating the rotating body, the plurality of nozzles 3 can move around the horizontal track C while spraying the paint.

図3に示すように、ノズル3の軌道Cは、平面視において、建築板1と重なるように設定される。尚、この場合の平面視とは、建築板1の第一の面15の法線方向に視ることをいう。このため、ノズル3から噴射される塗料が建築板1に吹き付けられる。更に、ノズル3の軌道Cは、平面視において、建築板1の端部からはみ出すように設定される。すなわち、本実施形態では、ノズル3の軌道Cが、第一の建築板11の第一の嵌合部13よりも外側にはみ出すと共に、第二の建築板12の第二の嵌合部14よりも外側にもはみ出すように、設定される。   As shown in FIG. 3, the track C of the nozzle 3 is set so as to overlap the building board 1 in plan view. In addition, the planar view in this case means viewing in the normal direction of the first surface 15 of the building board 1. For this reason, the paint sprayed from the nozzle 3 is sprayed on the building board 1. Furthermore, the track C of the nozzle 3 is set so as to protrude from the end of the building board 1 in plan view. That is, in this embodiment, the track C of the nozzle 3 protrudes outside the first fitting portion 13 of the first building board 11 and from the second fitting portion 14 of the second building board 12. It is set so that it protrudes to the outside.

受け部材2は、建築板1に対して、搬送方向Dと直交する側方の位置に、配置される。本実施形態では、第一の建築板11に対して、その第一の嵌合部13よりも側方の位置に、受け部材2が配置される。また、第二の建築板12に対して、その第二の嵌合部14よりも側方の位置にも、受け部材2が配置される。受け部材2は、図3に示すように、平面視において、ノズル3の軌道Cと重なる位置に配置される。特に、平面視において、軌道Cにおける、ノズル3が建築板1の側方から建築板1に向けて近づくように移動する部分と重なる位置に、受け部材2が配置されることが好ましい。   The receiving member 2 is disposed at a lateral position perpendicular to the transport direction D with respect to the building board 1. In this embodiment, the receiving member 2 is arrange | positioned with respect to the 1st building board 11 in the position of the side rather than the 1st fitting part 13. As shown in FIG. Moreover, the receiving member 2 is arrange | positioned with respect to the 2nd building board 12 also in the position of the side rather than the 2nd fitting part 14. As shown in FIG. As shown in FIG. 3, the receiving member 2 is disposed at a position overlapping the track C of the nozzle 3 in plan view. In particular, in plan view, it is preferable that the receiving member 2 is disposed at a position on the track C that overlaps with a portion where the nozzle 3 moves from the side of the building board 1 toward the building board 1.

本実施形態では、受け部材2は、受け部21と、遮蔽部22とを備える。受け部21は、受け部材2へ向けて噴射された塗料を受け止めて跳ね返らせるように構成される。遮蔽部22は、受け部材2によって跳ね返された塗料が建築板1の端部から離れる方向へ拡散することを抑制するように構成される。   In the present embodiment, the receiving member 2 includes a receiving portion 21 and a shielding portion 22. The receiving part 21 is configured to receive and bounce the paint sprayed toward the receiving member 2. The shielding part 22 is configured to prevent the paint rebounded by the receiving member 2 from diffusing in a direction away from the end of the building board 1.

本実施形態では、受け部21には、第一の面15と略平行な面(受け面23)が形成されている。受け面23の高さ位置(建築板1の第一の面15の法線方向の位置)は、建築板1の第一の面15の高さ位置よりも下方であり、且つ建築板1の第二の面16の高さ位置と同程度であることが、好ましい。特に受け面23の高さ位置が、建築板1の第二の面16の高さ位置を0として、−5〜10mmの範囲であることが、好ましい。   In the present embodiment, the receiving portion 21 is formed with a surface (receiving surface 23) substantially parallel to the first surface 15. The height position of the receiving surface 23 (the position in the normal direction of the first surface 15 of the building board 1) is lower than the height position of the first surface 15 of the building board 1 and the building board 1 It is preferable that the height is the same as the height position of the second surface 16. In particular, the height position of the receiving surface 23 is preferably in the range of −5 to 10 mm, with the height position of the second surface 16 of the building board 1 being 0.

また、遮蔽部22は、受け面23の、建築板1とは反対側の端部から、ノズル3側に向けて突出するように形成されている。遮蔽部22の突出長さは、50〜100mmの範囲であることが好ましい。   Moreover, the shielding part 22 is formed so that it may protrude toward the nozzle 3 side from the edge part on the opposite side to the building board 1 of the receiving surface 23. As shown in FIG. The protruding length of the shielding part 22 is preferably in the range of 50 to 100 mm.

このように構成される塗装装置を用いて建築板1を塗装するにあたっては、まず複数の建築板1が搬送装置4に順次供給される。搬送装置4は、建築板1を、その第一の面15が上方を向く状態で、水平方向に搬送する。この場合、二つの建築板1(第一の建築板11及び第二の建築板12)が、搬送方向Dと直交する方向に並ぶように配置され、第一の建築板11の第二の嵌合部14と第二の建築板12の第一の嵌合部13とが、間隔をあけて対向する。   In painting the building board 1 using the coating apparatus configured as described above, first, a plurality of building boards 1 are sequentially supplied to the conveying device 4. The conveying device 4 conveys the building board 1 in the horizontal direction with the first surface 15 facing upward. In this case, the two building boards 1 (the first building board 11 and the second building board 12) are arranged so as to be aligned in a direction orthogonal to the conveying direction D, and the second fitting of the first building board 11 is performed. The joint portion 14 and the first fitting portion 13 of the second building board 12 are opposed to each other with an interval therebetween.

このように建築板1を搬送させながら、スプレー塗装器を作動させることにより、ノズル3から塗料を噴射させると共にこのノズル3を周回移動させる。そうすると、ノズル3が平面視において建築板1と重なりながら移動する間は、ノズル3から噴射された塗料は建築板1の第一の面15に到達して、第一の面15が塗装される。   In this way, by operating the spray coater while transporting the building board 1, the paint is ejected from the nozzle 3 and the nozzle 3 is moved around. Then, while the nozzle 3 moves while overlapping the building board 1 in plan view, the paint sprayed from the nozzle 3 reaches the first surface 15 of the building board 1 and the first surface 15 is painted. .

また、ノズル3が平面視において第一の建築板11と第二の建築板12との間を通過する際には、塗料が第一の建築板11と第二の建築板12との間の隙間を通過することで、この隙間において塗料が充分に高い密度で拡散し、これにより、第一の建築板11の第二の建築板12と対向する端部(第二の嵌合部14)並びに第二の建築板12の第一の建築板11と対向する端部(第一の嵌合部13)が、塗装される。   Further, when the nozzle 3 passes between the first building board 11 and the second building board 12 in plan view, the paint is between the first building board 11 and the second building board 12. By passing through the gap, the paint diffuses at a sufficiently high density in the gap, and thereby the end portion of the first building board 11 that faces the second building board 12 (second fitting part 14). And the edge part (1st fitting part 13) facing the 1st building board 11 of the 2nd building board 12 is painted.

更に、ノズル3が平面視において受け部材2と重なりながら移動する間は、ノズル3から噴射された塗料は受け面23に到達する。そうすると、図1中の矢印で示されるように、受け面23は、この塗料を受け止めて跳ね返らせる。これにより、受け部材2の周囲で塗料が拡散し、この拡散した塗料が建築板1の端部(本実施形態では第一の建築板11の第一の嵌合部13並びに第二の建築板12の第二の嵌合部14)へ到達しやすくなる。これにより、建築板1の端部が塗装される。   Furthermore, while the nozzle 3 moves while overlapping the receiving member 2 in plan view, the paint sprayed from the nozzle 3 reaches the receiving surface 23. Then, as shown by the arrow in FIG. 1, the receiving surface 23 receives and rebounds the paint. Thereby, a coating material diffuses around the receiving member 2, and this diffused coating material is the end portion of the building board 1 (in this embodiment, the first fitting portion 13 of the first building board 11 and the second building board). 12, the second fitting portion 14). Thereby, the edge part of the building board 1 is painted.

また、本実施形態では、受け部材2が遮蔽部22を備えるので、受け部材2によって跳ね返された塗料は、遮蔽部22によって遮蔽されることで、建築板1から離れる方向へは拡散しにくくなる。このため、塗料が建築板1の端部へ、より到達しやすくなり、これにより、端部の塗装効率が向上する。   Moreover, in this embodiment, since the receiving member 2 is equipped with the shielding part 22, the coating material bounced off by the receiving member 2 is shielded by the shielding part 22, and becomes difficult to spread | diffuse in the direction away from the building board 1. FIG. . For this reason, a coating material reaches | attains more easily to the edge part of the building board 1, and, thereby, the coating efficiency of an edge part improves.

また、本実施形態では、上記の通り、平面視において、軌道Cにおける、ノズル3が建築板1の側方から建築板1に向けて近づくように移動する部分と重なる位置に、受け部材2が配置されている。このため、受け部材2によって跳ね返された塗料には、建築板1の端部へ向かう方向の運動エネルギ−が与えられている。このため、塗料が建築板1の端部へ、より到達しやすくなり、これにより、端部の塗装効率が向上する。   Moreover, in this embodiment, as above-mentioned, the receiving member 2 is in the position which overlaps with the part which the nozzle 3 in the track | orbit C moves so that it may approach toward the building board 1 from the side of the building board 1 in planar view. Has been placed. For this reason, the paint rebounded by the receiving member 2 is given kinetic energy in the direction toward the end of the building board 1. For this reason, a coating material reaches | attains more easily to the edge part of the building board 1, and, thereby, the coating efficiency of an edge part improves.

図2(a)及び図2(b)に示すように、受け部材2と建築板1の端部との間には、平面視において、隙間があいていることが好ましい。この場合、受け部材2によって跳ね返された塗料が、隙間へ向けて誘導されやすくなる。このため、塗料が建築板1の端部へ、より到達しやすくなり、これにより、端部の塗装効率が向上する。この隙間の幅Wは、50mm以下であることが好ましい。この場合、塗料が建築板1の端部へ到達せずに隙間を抜けてしまうことが抑制され、このため、塗料が建築板1の端部へ、より到達しやすくなる。特にこの隙間の幅Wが20〜50mmであることが好ましい。   As shown in FIG. 2A and FIG. 2B, it is preferable that a gap is formed between the receiving member 2 and the end of the building board 1 in a plan view. In this case, the paint bounced back by the receiving member 2 is easily guided toward the gap. For this reason, a coating material reaches | attains more easily to the edge part of the building board 1, and, thereby, the coating efficiency of an edge part improves. The width W of the gap is preferably 50 mm or less. In this case, it is suppressed that the paint does not reach the end portion of the building board 1 and passes through the gap, and therefore, the paint more easily reaches the end portion of the building board 1. In particular, the width W of the gap is preferably 20 to 50 mm.

また、図1に示すように、ノズル3からの塗料の噴射方向の、第一の面15の法線に対する傾斜角度θが、0°〜20°である状態で、ノズル3から受け部材2へ塗料が噴射されることが好ましい。尚、傾斜角度θが0°とは、ノズル3からの塗料の噴射方向が、第一の面15の法線と平行であることを意味する。この場合、受け部材2に吹き付けられた塗料が受け部材2によって特に跳ね返りやすくなり、これにより、建築板1の端部の塗装効率が、より向上する。   Further, as shown in FIG. 1, the nozzle 3 is moved from the nozzle 3 to the receiving member 2 in the state where the inclination angle θ of the spray direction of the paint from the nozzle 3 with respect to the normal of the first surface 15 is 0 ° to 20 °. It is preferred that the paint is sprayed. In addition, the inclination angle θ of 0 ° means that the spraying direction of the paint from the nozzle 3 is parallel to the normal line of the first surface 15. In this case, the paint sprayed on the receiving member 2 is particularly easily rebounded by the receiving member 2, thereby further improving the coating efficiency of the end portion of the building board 1.

また、ノズル3の周回移動の周期T(s)、受け部材2の搬送方向Dに沿った長さ寸法L(m)、及び建築板1の搬送速度R(m/s)が、次の関係を満たすことが好ましい。
1.5≦L/(T×R)≦2
この関係を満たすということは、建築板1が寸法L(m)と同じ長さだけ搬送される毎に、ノズル3が1.5〜2回転することを、意味する。この場合、塗装のための適切な量の塗料が建築板1の端部へ到達しやすくなり、このため、ノズル3から噴射される塗料を有効利用して建築板1の端部を塗装することができる。
Further, the period T (s) of the circumferential movement of the nozzle 3, the length dimension L (m) along the conveyance direction D of the receiving member 2, and the conveyance speed R (m / s) of the building board 1 are as follows. It is preferable to satisfy.
1.5 ≦ L / (T × R) ≦ 2
Satisfying this relationship means that each time the building board 1 is transported by the same length as the dimension L (m), the nozzle 3 rotates 1.5 to 2 times. In this case, an appropriate amount of paint for painting can easily reach the end of the building board 1, and therefore the paint sprayed from the nozzle 3 is effectively used to coat the end of the building board 1. Can do.

本実施形態において、スプレー塗装の方式は、ロータリースプレー方式に限られない。本実施形態の第一の変形例では、ロータリースプレー方式に代えて、レシプロケータ方式が、採用される。この場合、ノズル3は、建築板1の上方で往復移動しながら塗料を噴射するように、構成される。   In the present embodiment, the spray coating method is not limited to the rotary spray method. In the first modification of the present embodiment, a reciprocator method is adopted instead of the rotary spray method. In this case, the nozzle 3 is configured to spray paint while reciprocating above the building board 1.

この第一の変形例を、図4に示す。本例では、スプレー塗装器は、建築板1の搬送方向Dに並ぶ複数のノズル3を備える。このノズル3は、建築板1の搬送方向Dと直交する方向に往復移動するように構成される。ノズル3の軌道Cは、平面視において、建築板1の端部からはみ出すように設定される。すなわち、本変形例では、ノズル3の軌道Cが、第一の建築板11の第一の嵌合部13よりも外側にはみ出すと共に、第二の建築板12の第二の嵌合部14よりも外側にもはみ出すように、設定される。   This first modification is shown in FIG. In this example, the spray coating device includes a plurality of nozzles 3 arranged in the conveyance direction D of the building board 1. The nozzle 3 is configured to reciprocate in a direction orthogonal to the conveyance direction D of the building board 1. The track C of the nozzle 3 is set so as to protrude from the end of the building board 1 in plan view. That is, in this modification, the track C of the nozzle 3 protrudes outside the first fitting portion 13 of the first building board 11 and from the second fitting portion 14 of the second building board 12. It is set so that it protrudes to the outside.

また、本変形例では、受け部材2は、平面視において、少なくとも一つのノズル3の軌道Cと重なる位置に配置される。   In the present modification, the receiving member 2 is disposed at a position overlapping the track C of at least one nozzle 3 in plan view.

また、第二の変形例を、図5に示す。本変形例では、第一の変形例において、建築板1を、搬送方向Dと直交する方向に並べずに搬送する。すなわち、建築板1を一つずつ順次搬送する。尚、本変形例では、建築板1の第一の嵌合部13と第二の嵌合部14とが、建築板1の搬送方向Dに並ぶように配置されている。   A second modification is shown in FIG. In this modification, the building board 1 is conveyed without arranging in the direction orthogonal to the conveyance direction D in the first modification. That is, the building board 1 is sequentially conveyed one by one. In this modification, the first fitting portion 13 and the second fitting portion 14 of the building board 1 are arranged in the transport direction D of the building board 1.

これらの変形例においても、建築板1を搬送させながら、ノズル3から塗料を噴射させると共にこのノズル3を移動させると、ノズル3が平面視において建築板1と重なりながら移動する間は、ノズル3から噴射された塗料は建築板1の第一の面15に到達して、第一の面15が塗装される。更に、ノズル3が平面視において受け部材2と重なりながら移動する間は、ノズル3から噴射された塗料は受け部材2に到達する。そうすると、受け部材2は、この塗料を受け止めて跳ね返らせる。これにより、受け部材2の周囲で塗料が拡散し、この拡散した塗料が建築板1の端部へ到達しやすくなる。これにより、建築板1の端部が塗装される。   Also in these modified examples, if the paint is sprayed from the nozzle 3 while moving the building board 1 and the nozzle 3 is moved, the nozzle 3 is moved while overlapping the building board 1 in plan view. The paint sprayed from reaches the first surface 15 of the building board 1 and is coated on the first surface 15. Furthermore, while the nozzle 3 moves while overlapping the receiving member 2 in plan view, the paint sprayed from the nozzle 3 reaches the receiving member 2. Then, the receiving member 2 receives and rebounds the paint. As a result, the paint diffuses around the receiving member 2, and the diffused paint easily reaches the end of the building board 1. Thereby, the edge part of the building board 1 is painted.

1 建築板
2 受け部材
3 ノズル
1 building board 2 receiving member 3 nozzle

Claims (3)

建築板を搬送しながら、ノズルから塗料を噴射すると共にこのノズルを移動させることによって、前記建築板を塗装する工程を含む塗装建築板の製造方法であって、
前記建築板は、第一の面と、前記第一の面とは反対側の面である第二の面を備え、
前記建築板に対して、搬送方向と直交する側方の位置に、受け部材を配置し、
前記受け部材と前記建築板の端部との間に、前記建築板の搬送方向と直交する方向の隙間が設けられており、
前記受け部材の受け面の高さ位置は、前記建築板の第一の面よりも下方であり、且つ前記建築板の第二の面の高さ位置と同程度であり、
ロータリースプレー方式により、前記ノズルから前記受け部材へ塗料を吹き付けることで、前記塗料を、前記受け部材で跳ね返らせて前記建築板の搬送方向と直交する方向の端部へ到達させることにより、前記端部を塗装し、
前記ノズルの周回移動の周期T(s)、前記受け部材の前記搬送方向に沿った長さ寸法L(m)、及び前記建築板の搬送速度R(m/s)が、次の関係を満たし、
1.5≦L/(T×R)≦2
前記ノズルの周回移動の軌道は、平面視において、前記建築板と重なるように設定され、更に平面視において前記建築板の端部からはみ出すように設定される塗装建築板の製造方法。
While transporting the building board, by spraying the paint from the nozzle and moving the nozzle, it is a method for manufacturing a painted building board including a step of coating the building board,
The building board includes a first surface and a second surface which is a surface opposite to the first surface,
With respect to the building board, a receiving member is arranged at a lateral position orthogonal to the conveying direction,
Between the said receiving member and the edge part of the said building board, the clearance gap of the direction orthogonal to the conveyance direction of the said building board is provided,
The height position of the receiving surface of the receiving member is lower than the first surface of the building board and is approximately the same as the height position of the second surface of the building board,
By spraying paint from the nozzle to the receiving member by a rotary spray method , the paint is rebounded by the receiving member to reach an end in a direction perpendicular to the conveying direction of the building board, Paint the edges ,
The period T (s) of the circumferential movement of the nozzle, the length L (m) of the receiving member along the transport direction, and the transport speed R (m / s) of the building board satisfy the following relationship: ,
1.5 ≦ L / (T × R) ≦ 2
The orbital movement trajectory of the nozzle is set so as to overlap with the building board in a plan view, and is further set so as to protrude from an end of the building board in a plan view .
前記隙間の幅が50mm以下である請求項1に記載の塗装建築板の製造方法。 The method for producing a painted building board according to claim 1, wherein a width of the gap is 50 mm or less. 第一の面と、前記第一の面の反対の面である第二の面とを備える建築板を、前記第一の面が上方を向く状態で、水平方向に搬送するように構成される搬送装置と、
前記建築板の上方で水平な軌道上を周回移動しながら、前記建築板の厚み方向の一つの面に塗料を噴射させることによって、ロータリースプレー方式により、前記建築板を塗装するように構成されるノズルと、
前記建築板に対して、前記建築板の搬送方向と直交する側方の位置に配置される受け部材と、
を備え、
前記受け部材と前記建築板の端部には、前記建築板の搬送方向と直交する方向の隙間があいており、
前記受け部材の受け面の高さ位置は、前記建築板の第一の面よりも下方であり、且つ前記建築板の第二の面の高さ位置と同程度であり、
前記受け部材が、前記ノズルから吹き付けられた塗料を跳ね返して前記建築板の端部へ到達させるように構成され
前記ノズルの周回移動の周期T(s)、前記受け部材の前記搬送方向に沿った長さ寸法L(m)、及び前記建築板の搬送速度R(m/s)が、次の関係を満たし、
1.5≦L/(T×R)≦2
前記ノズルの周回移動の軌道は、平面視において、前記建築板と重なるように設定され、更に平面視において前記建築板の端部からはみ出すように設定されている建築板の塗装装置。
A building board comprising a first surface and a second surface that is the opposite surface of the first surface is configured to be conveyed in a horizontal direction with the first surface facing upward. A transport device;
It is configured to paint the building board by a rotary spray method by spraying paint on one surface in the thickness direction of the building board while orbiting on a horizontal track above the building board. A nozzle,
With respect to the building board, a receiving member arranged at a lateral position orthogonal to the conveying direction of the building board,
With
At the end of the receiving member and the building board, there is a gap in the direction orthogonal to the conveying direction of the building board,
The height position of the receiving surface of the receiving member is lower than the first surface of the building board and is approximately the same as the height position of the second surface of the building board,
The receiving member is configured to repel the paint sprayed from the nozzle and reach the end of the building board ;
The period T (s) of the circumferential movement of the nozzle, the length L (m) of the receiving member along the transport direction, and the transport speed R (m / s) of the building board satisfy the following relationship: ,
1.5 ≦ L / (T × R) ≦ 2
The orbital movement trajectory of the nozzle is set so as to overlap the building board in plan view, and is further set so as to protrude from the end of the building board in plan view .
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US5534295A (en) * 1994-03-21 1996-07-09 August Lotz Co., Inc. Polyurea/polyurethane edge coating and process for making
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