JP5291947B2 - Paint booth structure - Google Patents
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- JP5291947B2 JP5291947B2 JP2008031278A JP2008031278A JP5291947B2 JP 5291947 B2 JP5291947 B2 JP 5291947B2 JP 2008031278 A JP2008031278 A JP 2008031278A JP 2008031278 A JP2008031278 A JP 2008031278A JP 5291947 B2 JP5291947 B2 JP 5291947B2
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本発明は、単一のエアー供給源を使用して風速の異なる複数のエアー領域を形成することを可能とした塗装ブース構造に関する。
The present invention relates to a paint booth structure that can form a plurality of air regions having different wind speeds using a single air supply source.
従来から塵や埃、あるいは暖気や冷気の遮断を目的としてエアーカーテンを形成している。例えば、デパートの出入口やクリーンルームの出入口に設置されたものが良く知られている。しかし、このようなエアーカーテンは単に一種類の風速のエアーを流すだけであるため、たとえば、店頭において、通路へは比較的強めの風を送り、野菜や花のような華奢な商品へは弱い風を送り、さらに、強めの風と弱めの風の境をエアーカーテンで仕切りたい場合には、複数のエアー形成装置（ダンパーなど）を組み合わせなければならない。 Conventionally, an air curtain is formed for the purpose of blocking dust and dirt, or warm and cold air. For example, those installed at the entrances and exits of department stores and clean rooms are well known. However, since such an air curtain simply flows air of one kind of wind speed, for example, at a storefront, a relatively strong wind is sent to the aisle, and it is weak to delicate products such as vegetables and flowers. If you want to send wind and partition the boundary between strong and weak winds with an air curtain, you must combine multiple air forming devices (such as dampers).
また、自動車の車体や部品を塗装するための塗装ブースでは、塗装時に発生する未塗着塗料（被塗物に付着せず大気中に浮遊してしまった塗料微粉末）の排除のために、ブース内のエアーを下方向に一定速度で押し流すエアーシャワーが使われている。このような未塗着塗料の排除は塗装ブースにおいて重要であり、もし、これが塗装ブース内に浮遊したままの状態で塗装作業を行うと、塗装ブース側面、自動塗装機、塗装ロボット、塗装ガン等に未塗着塗料が付着堆積し、それが次第に剥がれ落ちて自動車の車体や部品に付着して塗装不良となる不具合が発生する。また、ラインの塗装色を切替えた場合には、前色の未塗着塗料が自動車の車体や部品に付着して混色を起こすという不具合がある。 Also, in the painting booth for painting car bodies and parts of automobiles, in order to eliminate unpainted paint (paint fine powder that has floated in the atmosphere without adhering to the object) An air shower is used to push the air in the booth downward at a constant speed. The elimination of such unpainted paint is important in the painting booth. If the painting work is carried out while floating in the painting booth, the side of the painting booth, automatic painting machine, painting robot, painting gun, etc. Uncoated paint adheres and accumulates on the surface, and then gradually peels off and adheres to the car body and parts of the automobile, resulting in a defective coating. Further, when the paint color of the line is switched, there is a problem that the uncolored paint of the previous color adheres to the car body and parts of the automobile and causes color mixing.
従来のエアーシャワーでは、塗装ガン周辺の未塗着塗料高濃度領域と、低濃度の他領域とのエアー風速が同じであったため、かえって低濃度領域に未塗着塗料が拡散するという問題点があった。そこで、特許文献１に記載の塗装ブースでは、天井部のほぼ全面から換気用空気を下向きに吹出し供給し、床部から排気するように構成し、天井部の換気用空気の吹出し構造を被塗物の存在位置に対応する部分と、これに隣接する被塗物不存在位置に対応する部分とに区分けし、被塗物存在位置に対応する天井部分からの換気用空気の吹出し風速を被塗物不存在位置に対応する天井部分からの換気用空気の吹出し風速より小さくする構成としている。 In conventional air showers, the high wind speed of uncoated paint around the paint gun and the other areas of low density are the same, so the problem is that unpainted paint diffuses into the low density area. there were. Therefore, the painting booth described in Patent Document 1 is configured so that ventilation air is blown downward from almost the entire surface of the ceiling and exhausted from the floor, and the ventilation air blowing structure on the ceiling is coated. It is divided into the part corresponding to the position where the object is present and the part corresponding to the position where the object is not present adjacent to this part, and the blowing air velocity from the ceiling part corresponding to the position where the object is present is coated. It is set as the structure made smaller than the blowing wind speed of the ventilation air from the ceiling part corresponding to an object non-existence position.
特許文献１に開示される塗装ブースにあっては、被塗物不存在位置であって被塗物より上方に飛散、浮遊した未塗着塗料の粒子は、比較的吹出し風速の大きな換気用空気に乗って流下するため、下方に位置する自動塗装機、塗装ロボット、塗装ガン、塗装ブースの壁面等に付着堆積してしまうという問題がある。 In the painting booth disclosed in Patent Document 1, particles of uncoated paint that are scattered and floated above the object to be coated are in a position where the object is not present, and the air for ventilation with a relatively high blowing speed. As a result, it will flow down and flow down, and there will be a problem of depositing and accumulating on the automatic painting machine, painting robot, painting gun, painting booth wall, etc. located below.
上記課題を解決するため、本発明に係るブース構造は、送風装置からエアーが供給される動圧室と、この動圧室につながる静圧室を備え、この静圧室下面からブース内にエアーが流下するようにしたブース構造であって、前記静圧室下面には格子が設けられ、この格子の上にフィルタが設けられ、また前記静圧室下面の一部はエアーカーテンを形成するエアー加速部とされ、このエアー加速部におけるフィルタの形状は静圧室内方に凹出した形状とした。 In order to solve the above problems, a booth structure according to the present invention includes a dynamic pressure chamber to which air is supplied from a blower and a static pressure chamber connected to the dynamic pressure chamber. A booth structure in which a grid is provided on the lower surface of the static pressure chamber, a filter is provided on the grid, and a part of the lower surface of the static pressure chamber forms an air curtain. The shape of the filter in the air accelerating portion is a shape that is recessed toward the static pressure chamber.
フィルタの形状を静圧室内方に凹出した形状とすることで、ブース内圧よりも高圧となっている静圧室とブースとの境界面の面積（凹出したフィルタの面積）がエアーの流下する部分の面積（エアー加速部の投影面積）よりも大きいため、エアー加速部内に静圧室から多量にエアーが供給され、加速して流下してエアーカーテンが形成される。 By making the filter shape recessed into the static pressure chamber, the area of the boundary between the static pressure chamber and the booth that is higher than the booth internal pressure (the area of the recessed filter) flows down the air. Therefore, a large amount of air is supplied from the static pressure chamber into the air acceleration portion, and the air curtain is formed by accelerating and flowing down.
したがって、静圧室内方に凹出するフィルタの形状としては、ベルジャー（釣鐘）状またはトンネル状が典型と言えるがこれに限定されるものではない。 Therefore, the shape of the filter that protrudes toward the inside of the static pressure chamber is typically a bell jar shape or a tunnel shape, but is not limited thereto.
また前記フィルタは線材からなる骨組みに支持される。この骨組みは例えば長さ方向に沿って配置される直線状線材と長さ方向に離間して配置されるアーチ状線材と直線状線材の両端に配置される端板とからなる。 The filter is supported by a frame made of wire. This framework is composed of, for example, a linear wire disposed along the length direction, an arch-shaped wire disposed spaced apart in the length direction, and end plates disposed at both ends of the linear wire.
本発明に係るブース構造を塗装ブースに適用する場合には、ブース内に塗装ガンを配置した構造になる。 When the booth structure according to the present invention is applied to a painting booth, the painting gun is arranged in the booth.
本発明に係るブース構造によれば、送風源が一つであっても、高速エアーのほしい領域には高速のエアーを、その他の領域には低速のエアーを流すことが可能となる。 According to the booth structure according to the present invention, it is possible to flow high-speed air in an area where high-speed air is desired and low-speed air in other areas even if there is a single air source.
特に塗装ブースとした場合には、未塗着塗料が大量発生する塗装ガン作動領域には高速のエアーカーテンを、その他の領域には低速のエアーを流すことで効率的に未塗着塗料を排除することできる。 Particularly in the case of a painting booth, high-speed air curtains are used in the paint gun operation area where a large amount of unpainted paint is generated, and low-speed air is allowed to flow in other areas to efficiently remove unpainted paint. Can do.
以下に本発明の最良の形態を添付図面に基づいて説明する。図１は、本発明に係るブース構造を適用した塗装ブースの一例を示す正面図である。
図１において、被塗物Ｗである自動車車体は、図面後方から前方に移動されながら塗装が行われる。塗装ブース１の最上部は動圧室２、その下はパンチングメタル３を介して静圧室４としてある。静圧室４下面は格子５によって仕切られ、格子５の上にはフィルタ６が敷設されている。そして格子５およびフィルタ６を介して静圧室４の下方を塗装室７としている。
The best mode of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a front view showing an example of a painting booth to which a booth structure according to the present invention is applied.
In FIG. 1, the automobile body which is the article to be coated W is painted while being moved from the rear to the front. The uppermost part of the painting booth 1 is a dynamic pressure chamber 2, and the lower part is a static pressure chamber 4 via a punching metal 3. The lower surface of the static pressure chamber 4 is partitioned by a grid 5, and a filter 6 is laid on the grid 5. The lower part of the static pressure chamber 4 is defined as a coating chamber 7 through the lattice 5 and the filter 6.
また塗装室７の床面は格子状支持床８とし、床面下には未塗着塗料のための捕集室１２が形成されている。この捕集室１２の下部には、動圧室２、静圧室４および塗装室７の順に流下してきた未塗着塗料捕集用エアーを排気するための排気口９、及び排気口９に向けて両側壁から内向きに傾斜する捕集水を流すための流下面１０が形成されている。 The floor surface of the coating chamber 7 is a grid-like support floor 8, and a collection chamber 12 for uncoated paint is formed below the floor surface. Below the collection chamber 12, there are an exhaust port 9 for exhausting uncoated paint collection air that has flowed in the order of the dynamic pressure chamber 2, the static pressure chamber 4 and the coating chamber 7, and an exhaust port 9. A flow lower surface 10 is formed for flowing the collected water inclined inward from both side walls.
また、塗装室７の格子状支持床８の幅方向中央部には塗装ブース１の長手方向に、被塗物Ｗの搬送装置５０が設けられ、搬送装置５０を挟んだ両側には複数の塗装ロボット２０が配設されている。なお、各塗装ロボット２０は、搬送装置５０を間にした向かい側の塗装ロボット２０と、直に対面することがないよう、互い違いに配置されている。 In addition, a conveying device 50 for the object W is provided in the longitudinal direction of the coating booth 1 at the center in the width direction of the grid-like support floor 8 of the coating chamber 7, and a plurality of coatings are provided on both sides of the conveying device 50. A robot 20 is provided. The painting robots 20 are alternately arranged so as not to face the painting robot 20 on the opposite side with the conveying device 50 therebetween.
塗装室７は、搬送装置５０と塗装ロボット２０が設置されている塗装領域３０と、それ以外の非塗装領域３１に区分けされ、非塗装領域３１は、塗装機器等のメンテナンス用空間であり、塗装領域３０と非塗装領域３１との間に壁は設けられていない。一方、動圧室２と静圧室４では、塗装室７の塗装領域３０と非塗装領域３１との境界に対応する位置に仕切板１１を設けている。 The painting chamber 7 is divided into a painting area 30 where the transfer device 50 and the painting robot 20 are installed, and a non-painting area 31 other than that. The non-painting area 31 is a maintenance space for painting equipment and the like. No wall is provided between the region 30 and the non-painted region 31. On the other hand, in the dynamic pressure chamber 2 and the static pressure chamber 4, the partition plate 11 is provided at a position corresponding to the boundary between the coating region 30 and the non-coating region 31 of the coating chamber 7.
被塗物Ｗは、搬送装置５０の搬送台車５１に載置され、塗装ロボット２０のアーム２２に取付けられた塗装ガン２１から噴射される塗料によって、両側面Ｗ１、Ｗ１が塗装される。このとき、塗装ガン２１の作動領域３０ａには大量の未塗着塗料が発生する。したがって塗装ガン作動領域３０ａには、高濃度の未塗着塗料を迅速に排気するため他の領域よりも速い風の流れが必要となる。 The object W is placed on the transport carriage 51 of the transport device 50, and both side surfaces W1 and W1 are painted by the paint sprayed from the paint gun 21 attached to the arm 22 of the painting robot 20. At this time, a large amount of uncoated paint is generated in the operation region 30a of the coating gun 21. Therefore, in the coating gun operation area 30a, a faster air flow is required than in the other areas in order to quickly exhaust the high concentration uncoated paint.
前記静圧室４を加圧することにより、エアーは塗装室７に流下するが、エアー加速部４０を設けることで、塗装ガン作動領域３０ａには高速のエアーを、その他の領域である被塗物載置領域３０ｂおよび塗装ロボット設置領域３０ｃには低速のエアーを流すことが可能となる。 By pressurizing the static pressure chamber 4, the air flows down to the coating chamber 7, but by providing the air accelerating unit 40, high-speed air is supplied to the coating gun operation region 30 a and the object to be coated is the other region. It is possible to flow low-speed air through the placement area 30b and the painting robot installation area 30c.
エアー加速部４０は、塗装ガン作動領域３０ａの上部に塗装ブース１の長手方向に沿って形成されている。エアー加速部４０の構造は静圧室内方にトンネル状に凹出した骨組み４１をフィルタ４２で覆うことで形成されている。 The air acceleration unit 40 is formed along the longitudinal direction of the painting booth 1 in the upper part of the painting gun operation area 30a. The structure of the air acceleration unit 40 is formed by covering a frame 41 that is recessed in a tunnel shape inside the static pressure chamber with a filter 42.
前記骨組み４１は図２（ａ）および（ｂ）に示すように、長さ方向に沿って配置される直線状線材４１ａと長さ方向に離間して配置されるアーチ状線材４１ｂと直線状線材の両端に配置される端板４１ｃからなる構成される。前記線材は鋼板、鋼製線材を用いる。 2 (a) and 2 (b), the skeleton 41 includes a linear wire 41a arranged along the length direction, an arched wire 41b arranged along the length direction, and a linear wire. It is comprised from the end plate 41c arrange | positioned at both ends. As the wire, a steel plate or a steel wire is used.
尚、エアー加速部４０の形状としてベルジャー（釣鐘）型を採用する場合には骨組みはアーチ状線材のみで構成する。エアー加速部４０の形状としてベルジャー（釣鐘）型にした場合には、高速エアーはカーテン状ではなくスポット状に流下する。 In addition, when a bell jar (bell) type is adopted as the shape of the air acceleration unit 40, the skeleton is composed of only an arched wire. When the bell shape is used as the shape of the air acceleration unit 40, the high-speed air flows in a spot shape instead of a curtain shape.
また前記フィルタ６は、非塗装領域３１の格子面５にも塗装領域３０と同じく敷設され、塗装領域３０の動圧室２には吸気口１３、非塗装領域３１の動圧室には吸気口１４が開口されそれぞれ吸気ダクト１３ａ、１４ａが接続されている。また、捕集室１２の排気口にも図示しない排気ダクトが接続されている。 The filter 6 is also laid on the lattice surface 5 of the non-painting region 31 in the same manner as the coating region 30, and the inlet 13 is provided in the dynamic pressure chamber 2 of the coating region 30, and the inlet is provided in the dynamic pressure chamber of the non-painting region 31. 14 is opened, and intake ducts 13a and 14a are respectively connected. Further, an exhaust duct (not shown) is also connected to the exhaust port of the collection chamber 12.
上記の構成の塗装ブース１を使用して塗装を行うには、まず、吸気口１３、１４から図示しないポンプにより加圧されたエアーを吸気ダクト１３ａ、１４ａを介して動圧室２に供給する。供給された加圧エアーはパンチングメタル３を通じて均一な圧力および均一な供給量で静圧室４に供給される。そして静圧室４に供給されたエアーはフィルタ６によって流速が調整され、たとえば塗装領域３０では風速０．２ｍ／ｓｅｃ、非塗装領域３１では風速０．２５〜０．５ｍ／ｓｅｃの範囲のエアーとなって流下される。 In order to perform painting using the painting booth 1 having the above-described configuration, first, air pressurized by a pump (not shown) is supplied from the intake ports 13 and 14 to the dynamic pressure chamber 2 via the intake ducts 13a and 14a. . The supplied pressurized air is supplied to the static pressure chamber 4 through the punching metal 3 with a uniform pressure and a uniform supply amount. The flow rate of the air supplied to the static pressure chamber 4 is adjusted by the filter 6. For example, the air speed is 0.2 m / sec in the painting region 30 and the air velocity is 0.25 to 0.5 m / sec in the non-coating region 31. It will flow down.
非塗装領域３１の風速については、図１に示す塗装ロボット２０あるいは、その他の自動塗装機による塗装を行う場合、自動車車体のような大きな被塗物Ｗへの塗装効率は比較的高いため０．２５ｍ／ｓｅｃ程度の弱風で充分である。しかし、手吹き塗装を行う場合、あるいは被塗物Ｗがバンパーのような形状の複雑な小物の場合は塗着効率が悪くなるため０．２５〜０．５ｍ／ｓｅｃの範囲で適宜設定する必要がある。 Regarding the wind speed in the non-coating region 31, when painting is performed by the painting robot 20 shown in FIG. 1 or another automatic painting machine, the painting efficiency on a large article W such as an automobile body is relatively high. A weak wind of about 25 m / sec is sufficient. However, when hand-blow coating is performed, or when the object W is a small accessory having a shape such as a bumper, the coating efficiency is deteriorated, so it is necessary to appropriately set it within a range of 0.25 to 0.5 m / sec. There is.
なお、非塗装領域３１の風速を０．５ｍ／ｓｅｃ以上とすることも構わないが、未塗着塗料の壁面への付着状況は、風速を０．５ｍ／ｓｅｃまでとしたときと差異はなく、エネルギーロスとなる。 Although the wind speed of the non-coating region 31 may be 0.5 m / sec or more, the state of adhesion of the uncoated paint to the wall surface is not different from that when the wind speed is up to 0.5 m / sec. , Energy loss.
一方、エアー加速部４０ではフィルタ４２を介して供給されるエアーが集まるため風量が増加し、たとえば０．７〜０．８ｍ／ｓｅｃの速い風となってエアー加速部４０内側に流入し、ここで整流された後、矢印Ａで示すように１５０〜３５０ｍｍ幅で直下に向けて放出される。 On the other hand, since the air supplied through the filter 42 gathers in the air acceleration unit 40, the air volume increases. For example, the air speed increases as 0.7 to 0.8 m / sec and flows into the air acceleration unit 40. After being rectified at, it is discharged downwards with a width of 150 to 350 mm as indicated by an arrow A.
エアー加速部４０からの吹出し幅に制限はないが、塗装ブースの場合、通常は１５０ｍｍ以下の幅であると未塗着塗料粒子が塗装領域３０ａを超えて塗装ロボット設置領域３０ｃや非塗装領域３１に飛散する恐れがある。また、３５０ｍｍ以上の幅であると塗装ガン２１の噴霧パターンを乱す恐れがある。 Although there is no restriction on the blowout width from the air acceleration unit 40, in the case of a painting booth, if the width is normally 150 mm or less, the uncoated paint particles exceed the painting area 30a and the painting robot installation area 30c and the non-coating area 31 There is a risk of splashing. Further, if the width is 350 mm or more, the spray pattern of the coating gun 21 may be disturbed.
エアー加速部４０によって加速されたエアー流により、塗装領域３０は塗装ガン作動領域３０ａを境にして内側の被塗物載置領域３０ｂと両外側の塗装ロボット設置領域３０ｃとに分離された状態となる。そして、未塗着塗料の塗料粒子のほとんどは被塗物載置領域３０ｂ内に浮遊しているため、この領域に送られる前記風速０．２ｍ／ｓｅｃのエアー流によって捕集室１２へ押し流される。したがって、未塗着塗料が塗装ロボット設置領域３０ｃおよび非塗装領域３１に拡散することはない。 Due to the air flow accelerated by the air accelerating unit 40, the coating region 30 is separated into an inner coating object mounting region 30b and both outer coating robot installation regions 30c with the coating gun operation region 30a as a boundary. Become. Since most of the paint particles of the uncoated paint are floating in the object placement region 30b, they are pushed into the collection chamber 12 by the air flow of 0.2 m / sec. . Accordingly, the unpainted paint does not diffuse into the painting robot installation area 30 c and the non-painting area 31.
流下した各エアーは捕集室１２の排気口９に集められ、ただちに塗装ブース１の外に排気されるため、未塗着塗料が塗装ロボット２０や塗装ガン２１の表面に付着することはない。また、静圧室４から塗装室７へ送るエアーの総量は、エアー加速部４０を設けなかった場合とほとんど変わらないため、捕集室１２に流下したエアー流が乱流となって塗料粒子を再び塗装室７に吹き上げるというような不具合は生じない。 Each air that flows down is collected in the exhaust port 9 of the collection chamber 12 and immediately exhausted to the outside of the painting booth 1, so that the uncoated paint does not adhere to the surface of the painting robot 20 or the painting gun 21. Further, since the total amount of air sent from the static pressure chamber 4 to the coating chamber 7 is almost the same as when the air acceleration unit 40 is not provided, the air flow flowing down to the collection chamber 12 becomes turbulent and the paint particles are removed. There is no problem of blowing up the painting chamber 7 again.
また、非塗装領域３１に極微量の未塗着塗料が飛散したとしても、ここには前記風速０．２５〜０．５ｍ／ｓｅｃの範囲のエアーが流下しているため未塗着塗料は直ちに捕集室１２に押し流され、さらに排気口９を経由して塗装ブース１の外に排気されるため、塗装ブース１の壁面等に付着堆積することがない。 Even if a very small amount of uncoated paint is scattered in the non-coating region 31, air in the range of the wind speed of 0.25 to 0.5 m / sec is flowing down here. Since it is swept away into the collection chamber 12 and further exhausted out of the painting booth 1 via the exhaust port 9, it does not adhere and accumulate on the wall surface of the painting booth 1.
以上、説明した他に、本発明のエアーカーテン形成装置を使用した塗装ブースの変形例としては次のようなものが考えられる。
例えば、図３は、本発明の塗装ブースの他の実施例を示す正面図である。本例に示すように、塗装領域３０と非塗装領域３１との境に仕切板１１を設けず、一つの吸気口１３から供給されるエアー流量を、フィルタ６の厚みや密度を制御することにより、それぞれ塗装領域３０と非塗装領域３１へ所望の風速のエアーを送ることができる。
In addition to the above description, the following can be considered as modifications of the painting booth using the air curtain forming apparatus of the present invention.
For example, FIG. 3 is a front view showing another embodiment of the painting booth of the present invention. As shown in this example, the partition plate 11 is not provided at the boundary between the coating region 30 and the non-coating region 31, and the air flow rate supplied from one intake port 13 is controlled by controlling the thickness and density of the filter 6. The air of a desired wind speed can be sent to the painting area | region 30 and the non-coating area | region 31, respectively.
また、本図のような塗装ロボット２０でなく、自動塗装機を設置した塗装ブースにも本発明を適用することができる。自動塗装機を設置した塗装ブースでは、被塗物を乗せた搬送装置を跨いで左右対称な位置に支柱が配設され、これらの支柱に塗装ガンが昇降自在に配設されている。したがって搬送装置を跨いだ支柱から支柱の間が塗装領域となり、それ以外が非塗装領域となる。 Further, the present invention can be applied not only to the painting robot 20 as shown in this figure but also to a painting booth in which an automatic painting machine is installed. In a painting booth where an automatic painting machine is installed, struts are disposed at symmetrical positions across a conveying device on which an object is placed, and a coating gun is disposed on these struts so as to be movable up and down. Therefore, the space between the struts straddling the conveying device is the coating region, and the rest is the non-coating region.
本発明に係るブース構造は、塗装ブースに限らず、デパートやクリーンルームに設置して出入口近辺に強風を、建物内に弱風を流すことができる。また、コンビニエンスストア等の売り場に設置し、通路には比較的強めの風を送り、野菜や花のような華奢な商品には弱い風を送る、というような使い方も可能である。 The booth structure according to the present invention is not limited to a painting booth, and can be installed in a department store or a clean room so that a strong wind can flow near the entrance and a weak wind can flow inside the building. It can also be installed at a convenience store, etc., sending a relatively strong wind to the aisle and sending a weak wind to delicate products such as vegetables and flowers.
１…塗装ブース、２…動圧室、３…パンチングメタル、４…静圧室、５…格子、６…フィルタ、７…塗装室、８…格子状支持床、９…排気口、１０…流下面、１１…仕切板、１２…捕集室、１３、１４…吸気口、１３ａ、１４ａ…吸気ダクト、２０…塗装ロボット、２１…塗装ガン、２２…ロボットアーム、３０…塗装領域、３０ａ…塗装ガン作動領域、３０ｂ…被塗物載置領域、３０ｃ…塗装ロボット設置領域、３１…非塗装領域、４０…エアー加速部、４１…骨組み、４１ａ…直線状線材、４１ｂ…アーチ状線材、４１ｃ…端板、４２…フィルタ、５０…搬送装置、５１…搬送台車。 DESCRIPTION OF SYMBOLS 1 ... Painting booth, 2 ... Dynamic pressure chamber, 3 ... Punching metal, 4 ... Static pressure chamber, 5 ... Lattice, 6 ... Filter, 7 ... Painting chamber, 8 ... Lattice support floor, 9 ... Exhaust port, 10 ... Flow Lower surface, 11 ... partition plate, 12 ... collection chamber, 13, 14 ... intake port, 13a, 14a ... intake duct, 20 ... painting robot, 21 ... painting gun, 22 ... robot arm, 30 ... painting area, 30a ... painting Gun operating area, 30b ... Coating object placement area, 30c ... Coating robot installation area, 31 ... Non-coating area, 40 ... Air accelerating part, 41 ... Frame, 41a ... Linear wire, 41b ... Arch wire, 41c ... End plate, 42... Filter, 50... Transport device, 51.
Claims (1)
前記静圧室下面には格子が設けられ、この格子の上にフィルタが設けられ、
また前記塗装領域にエアーを供給する静圧室下面の一部は塗装ガンの作動領域にエアーカーテンを形成するエアー加速部とされ、
前記塗装ガンの作動領域の内側は被塗装物載置領域とされ、
前記塗装ガンの作動領域の外側は塗装ロボット設置領域とされ、
前記塗装ロボット設置領域よりも前記非塗装領域のエアーの流下速度が速くなるように設定され、
前記エアー加速部は線材からなる骨組みにフィルタが支持され、
前記骨組みは長さ方向に沿って配置される直線状線材と長さ方向に離間して配置されるアーチ状線材と直線状線材の両端に配置される端板とから構成され、
前記エアー加速部におけるフィルタの形状はベルジャー（釣鐘）状またはトンネル状をなして静圧室内方に凹出している
ことを特徴とする塗装ブース構造。A dynamic pressure chamber to which air is supplied from the blower and a static pressure chamber connected to the dynamic pressure chamber are provided, and air flows into the booth from the lower surface of the static pressure chamber in a painting area and a non-painting area. Painting booth structure,
A grid is provided on the lower surface of the static pressure chamber, and a filter is provided on the grid.
In addition, a part of the lower surface of the static pressure chamber that supplies air to the coating region is an air acceleration unit that forms an air curtain in the operation region of the coating gun ,
The inside of the operation area of the coating gun is an area for placing an object to be coated,
The outside of the painting gun operating area is the painting robot installation area,
It is set so that the air flow speed of the non-painting area is faster than the painting robot installation area,
The air accelerating unit is supported by a filter made of a wire frame,
The framework is composed of a linear wire disposed along the length direction, an arched wire disposed spaced apart in the length direction, and end plates disposed at both ends of the linear wire,
The paint booth structure is characterized in that the shape of the filter in the air accelerating portion is in the shape of a bell jar (tunnel bell) or a tunnel and is recessed toward the inside of the static pressure chamber.
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| CN102161030A (en) * | 2011-02-25 | 2011-08-24 | 江苏速升自动化装备***工程有限公司 | Anemoscope of hydraulic or Venturi spraying chamber |
| CN102151636A (en) * | 2011-02-25 | 2011-08-17 | 江苏速升自动化装备***工程有限公司 | Water revolving or wenckebach paint spraying chamber adopting special static pressure chambers |
| CN104084343A (en) * | 2014-06-30 | 2014-10-08 | 长兴华锐机械设备有限公司 | Paint spraying chamber airflow stabilizing system |
| CN104084344A (en) * | 2014-06-30 | 2014-10-08 | 长兴华锐机械设备有限公司 | Paint spraying chamber paint mist capture technology |
| KR102463573B1 (en) * | 2021-07-05 | 2022-11-03 | 가부시키가이샤 다이키샤 | painting device |
| WO2023228502A1 (en) * | 2022-05-27 | 2023-11-30 | パナソニックＩｐマネジメント株式会社 | Blower device |
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| JPS5857981B2 (en) * | 1980-12-08 | 1983-12-22 | 株式会社 大氣社 | painting booth |
| JPS5840277U (en) * | 1981-09-14 | 1983-03-16 | トリニテイ工業株式会社 | Paint booth with booster |
| JPS5853277U (en) * | 1981-10-02 | 1983-04-11 | 扶桑動熱工業株式会社 | Energy-saving paint spraying room |
| JPS58107172U (en) * | 1981-12-29 | 1983-07-21 | 株式会社豊田中央研究所 | painting booth |
| JPS58107174U (en) * | 1981-12-31 | 1983-07-21 | 株式会社豊田中央研究所 | painting booth |
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| JP2006187742A (en) * | 2005-01-07 | 2006-07-20 | Toyota Motor Corp | Coating booth and work piece production method |
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