JP2006150322A - Painting booth vertically circulating transporting mechanism - Google Patents

Painting booth vertically circulating transporting mechanism Download PDF

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JP2006150322A
JP2006150322A JP2004349161A JP2004349161A JP2006150322A JP 2006150322 A JP2006150322 A JP 2006150322A JP 2004349161 A JP2004349161 A JP 2004349161A JP 2004349161 A JP2004349161 A JP 2004349161A JP 2006150322 A JP2006150322 A JP 2006150322A
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painting
booth
carriage
conveyor
painting booth
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JP4476109B2 (en
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Ichiro Ueno
一郎 上野
Kazuo Toba
和夫 鳥羽
Nobuhiko Yoshimura
信彦 吉村
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Tsubakimoto Chain Co
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Tsubakimoto Chain Co
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a painting booth vertically circulating transporting mechanism by which carriage mobile efficiency can be raised by displaying excellent painting quality of an automobile body and further space-saving of a painting line can be attained. <P>SOLUTION: A transportation conveyer 120 for painting which transports a carriage 110 for a painting booth only mounted with an automobile body W from a painting starting position P1 to a painting finishing position P2 and a conveyor 130 for returning the carriage which returns the carriage 110 for the painting booth only after delivering the automobile body W to a drying booth DB side at the painting finishing position P2 to the painting starting position P1 are respectively arranged at an upper area and a lower area within the painting booth PB to constitute the painting booth vertically circulating transporting mechanism 100. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

この発明は、自動車製造ラインの塗装ラインにおいて自動車ボディを搬送するための塗装ブース搬送機構に係わり、さらに詳しくは、塗装ブースの上下エリア内で塗装ブース専用台車を循環搬送させる塗装ブース垂直循環搬送機構に関するものである。   The present invention relates to a painting booth conveyance mechanism for conveying an automobile body in a painting line of an automobile production line, and more specifically, a painting booth vertical circulation conveyance mechanism for circulating and conveying a carriage dedicated to a painting booth in an upper and lower area of the painting booth. It is about.

従来、このような自動車ボディの塗装ブース搬送機構として、自動車ボディに塗装を施すための塗装ブースの床面に自動車ボディを搭載した複数のコンベヤ台車を搬送チェーンで牽引して走行させるコンベヤを備えたものがある（特許文献１を参照）。
特開平６−２３８２０６号公報（第１頁−第２頁、図１） Conventionally, as a painting booth transport mechanism for such an automobile body, a conveyor for pulling and running a plurality of conveyor carts equipped with the automobile body on the floor of the painting booth for painting the automobile body with a transportation chain has been provided. There is a thing (refer patent document 1).
JP-A-6-238206 (first page-second page, FIG. 1)

しかしながら、上記特許文献１に開示されているような自動車ボディの塗装ブース搬送機構は、自動車ボディを搭載したコンベヤ台車が、自動車ボディに塗装する塗装ブースとこの塗装ブースで塗装された自動車ボディで乾燥する乾燥ブースなどで構成される塗装ラインを連続して走行するように構成されているため、塗装ブース内で付着したコンベヤ台車の汚れを乾燥ブース内に持ち込み、乾燥ブース内で乾燥した塗料カスが埃となって自動車ボディに再び付着して、塗装品質を悪化させるという問題があり、また、コンベヤ台車に付着して硬化した塗料カスを定期的に洗浄除去しなければならないという保守メンテナンス上の厄介な問題があり、しかも、自動車ボディを搭載するコンベヤ台車が、自動車ボディよりはみ出しているため、上述したコンベヤ台車の汚れを更に助長するという問題があった。   However, the car body painting booth transport mechanism disclosed in the above-mentioned Patent Document 1 is such that a conveyor cart equipped with an automobile body is dried by a painting booth for painting the automobile body and an automobile body painted by this painting booth. Since it is configured to run continuously on a painting line consisting of a drying booth, etc., the dirt on the conveyor cart adhered in the painting booth is brought into the drying booth and the paint residue dried in the drying booth is removed. There is a problem that it becomes dust and reattaches to the car body, deteriorating the quality of the paint, and the maintenance waste that the paint residue that has adhered to the conveyor carriage and hardened must be periodically cleaned and removed. In addition, the conveyor cart carrying the car body protrudes from the car body. There is a problem that further promotes the dirt of the predicate the conveyor truck.

さらに、塗装ラインを搬送した後のコンベヤ台車を返送するために、塗装ラインを敷設した同一水平床面に連続した返送ラインのための新たな敷設面積を必要として自動車製造ラインの省スペース化を達成できないというライン設計上の問題があり、また、このような同一水平床面に連続した塗装ラインと返送ラインではコンベヤ台車が同一速度で移動しているため、自動車ボディを搭載するコンベヤ台車以外に返送するためのコンベヤ台車が多数必要となるという台車可動効率上の問題があった。   In addition, in order to return the conveyor cart after transporting the painting line, a new laying area for the continuous return line is required on the same horizontal floor where the painting line was laid, thus saving space on the automobile production line. There is a problem in the line design that cannot be done, and the conveyor cart moves at the same speed in such a continuous painting line and return line on the same horizontal floor surface, so it is returned to other than the conveyor cart equipped with the automobile body There is a problem in the efficiency of moving the carriage that a large number of conveyor carriages are required.

そこで、本発明の目的は、上述したような従来技術の問題点を解消するものであって、
自動車ボディの優れた塗装品質を発揮して台車可動効率を高めるとともに塗装ラインの省スペース化を達成できる塗装ブース垂直循環搬送機構を提供することにある。 Therefore, an object of the present invention is to solve the problems of the prior art as described above,
The purpose is to provide a painting booth vertical circulation transport mechanism that can achieve excellent paint quality of the automobile body, improve the carriage moving efficiency and save space in the painting line.

本発明の請求項１に係る塗装ブース垂直循環搬送機構は、自動車ボディを搭載した塗装ブース専用台車を塗装開始位置から塗装終了位置に搬送する塗装用搬送コンベヤと前記自動車ボディを塗装終了位置で乾燥ブース側へ引き渡した後の塗装ブース専用台車を塗装開始位置に返送する台車返送用コンベヤとが塗装ブース内の上下エリアに配置されていることにより、上述した課題を解決している。   The painting booth vertical circulation conveyance mechanism according to claim 1 of the present invention comprises a painting conveyor for carrying a painting booth carriage equipped with an automobile body from a painting start position to a painting end position, and the automobile body is dried at the painting end position. The above-described problems are solved by the fact that the carriage return conveyor for returning the carriage dedicated to the painting booth after delivery to the booth side is arranged in the upper and lower areas in the painting booth.

そして、本発明の請求項２に係る塗装ブース垂直循環搬送機構は、請求項１記載の構成に加えて、前記台車返送用コンベヤの返送速度が前記塗装用搬送コンベヤの搬送速度より高速であることにより、上述した課題を解決している。   And the painting booth vertical circulation conveyance mechanism which concerns on Claim 2 of this invention is that the return speed of the said carriage return conveyor is higher than the conveyance speed of the said conveyance conveyor in addition to the structure of Claim 1. Thus, the above-described problem is solved.

また、本発明の請求項３に係る塗装ブース垂直循環搬送機構は、請求項１または請求項２記載の構成に加えて、前記塗装用搬送コンベヤが塗装ブース専用台車を牽引しながら車輪走行させる牽引駆動手段を備えているとともに、前記台車返送用コンベヤが塗装ブース専用台車をフリクション走行させるフリクション駆動手段を備えていることにより、上述した課題を解決している。   Further, the painting booth vertical circulation conveyance mechanism according to claim 3 of the present invention, in addition to the configuration of claim 1 or claim 2, is a traction in which the painting conveyor conveys the wheels while pulling the carriage dedicated to the painting booth. The above-mentioned problem is solved by providing a driving means and a friction driving means for causing the carriage returning conveyor to frictionally travel the carriage dedicated to the painting booth.

また、本発明の請求項４に係る塗装ブース垂直循環搬送機構は、請求項３記載の構成に加えて、前記牽引駆動手段が前記塗装ブース専用台車の左右いずれか一方にオフセット配置されていることにより、上述した課題を解決している。   Further, in the painting booth vertical circulation conveyance mechanism according to claim 4 of the present invention, in addition to the configuration of claim 3, the traction drive means is disposed offset on either the left or right of the carriage dedicated to the painting booth. Thus, the above-described problem is solved.

さらに、本発明の請求項５に係る塗装ブース垂直循環搬送機構は、請求項１乃至請求項４のいずれかに記載の構成に加えて、前記塗装ブース専用台車が、自動車ボディを支承するフロント側支持アームとリア側支持アームと前記フロント側支持アームとリア側支持アームとをそれぞれ支承して車輪走行する前後一対の車輪支持アームと前記車輪支持アームの相互間に連結されてフリクション走行するフリクションバーとで構成されていることにより、上述した課題を解決している。   Furthermore, the painting booth vertical circulation conveyance mechanism according to claim 5 of the present invention is the front side on which the carriage dedicated to the painting booth supports the automobile body in addition to the configuration according to any one of claims 1 to 4. A friction bar that is connected between the pair of front and rear wheel support arms that support the front arm, the rear side support arm, the front side support arm, and the rear side support arm to run the wheel, and the wheel support arm. The above-mentioned problem is solved.

そして、本発明の請求項６に係る塗装ブース垂直循環搬送機構は、請求項５記載の構成に加えて、前記フロント側支持アームとリア側支持アームが、前記フリクションバーに対して直交した自動車ボディ支承状態と前記フリクションバーと平行配列した台車返送状態との間で切り替え自在に軸支されていることにより、上述した課題を解決している。   The painting booth vertical circulation transport mechanism according to claim 6 of the present invention is the vehicle body in which the front support arm and the rear support arm are orthogonal to the friction bar in addition to the configuration of claim 5. The above-mentioned problem is solved by being pivotally supported so as to be switchable between a support state and a carriage return state arranged in parallel with the friction bar.

なお、本発明の塗装ブース垂直循環搬送機構が適用される「自動車ボディ」とは、自動車ボディの全体もしくはその一部、シャーシー等のことである。   The “automobile body” to which the painting booth vertical circulation transport mechanism of the present invention is applied refers to the whole or a part of the automobile body, a chassis, and the like.

本発明の請求項１に係る塗装ブース垂直循環搬送機構は、自動車ボディを搭載した塗装ブース専用台車を塗装開始位置から塗装終了位置に搬送する塗装用搬送コンベヤと前記自動車ボディを塗装終了位置で乾燥ブース側へ引き渡した後の塗装ブース専用台車を塗装開始位置に返送する台車返送用コンベヤとが配置されていることにより、自動車ボディを塗装終了位置で乾燥ブース側へ引き渡した後の塗装ブース専用台車が乾燥ブース側へ侵入することなく塗装ブース内の塗装開始位置に返送されるため、塗装ブース専用台車に付着した塗料などの汚れを乾燥ブース側へ持ち込んで乾燥してなる塗装カスの自動車ボディに対する再付着を回避して、自動車ボディを優れた塗装品質で仕上げることができ、また、塗装ブース専用台車に付着した塗料を乾燥させることなく，ウェットな状態で洗浄除去することができるので、塗装ブース専用台車の保守メンテナンスを簡便に達成できる。   The painting booth vertical circulation conveyance mechanism according to claim 1 of the present invention comprises a painting conveyor for carrying a painting booth carriage equipped with an automobile body from a painting start position to a painting end position, and the automobile body is dried at the painting end position. Carriage dedicated to the painting booth after handing over the car body to the drying booth at the painting end position by arranging a carriage return conveyor for returning the painting booth carriage after delivery to the booth side to the painting start position Is returned to the painting start position in the painting booth without entering the drying booth side, so that dirt such as paint adhering to the painting booth carriage is brought to the drying booth side and dried against the automobile body of the paint residue Avoiding re-adhesion, the car body can be finished with excellent paint quality, and the paint adhering to the car dedicated to the paint booth The without drying, it is possible to wash removed by wet state, can be conveniently accomplished maintenance maintenance paint booth dedicated carriage.

そして、本発明の請求項１に係る塗装ブース垂直循環搬送機構は、塗装用搬送コンベヤと台車返送用コンベヤとが塗装ブース内の上下エリアに配置されていることにより、塗装ブース専用台車を塗装ブースの上下エリア内で垂直循環させることができるため、台車返送用コンベヤを塗装用搬送コンベヤと連続した同一水平床面に敷設する必要がなくなり、塗装ラインの省スペース化を達成でき、さらに、台車返送用コンベヤを塗装用搬送コンベヤの下方に配置した場合には、塗装用搬送コンベヤで搬送されながら塗装される自動車ボディが台車返送用コンベヤ側で生じている汚れの影響を回避できる。   In the painting booth vertical circulation transport mechanism according to claim 1 of the present invention, the painting booth dedicated carriage is installed in the painting booth by arranging the painting conveyor and the carriage return conveyor in the upper and lower areas in the painting booth. Since it is possible to circulate vertically in the upper and lower areas of the trolley, it is not necessary to lay the carriage return conveyor on the same horizontal floor that is continuous with the coating transfer conveyor. When the conveyor is disposed below the coating conveyor, it is possible to avoid the influence of the dirt generated on the side of the carriage returning conveyor by the automobile body being coated while being conveyed by the coating conveyor.

また、本発明の請求項２に係る塗装ブース垂直循環搬送機構は、請求項１記載の発明が奏する効果に加えて、前記台車返送用コンベヤの返送速度が塗装用搬送コンベヤの搬送速度より高速であることにより、台車返送用コンベヤ上のブース専用台車を少なくすることができるため、塗装ライン全体としての台車可動効率を高めることができる。   Further, in the painting booth vertical circulation transport mechanism according to claim 2 of the present invention, in addition to the effect of the invention of claim 1, the return speed of the carriage return conveyor is higher than the transport speed of the paint conveyor. As a result, the carriage dedicated to the booth on the carriage return conveyor can be reduced, and the carriage moving efficiency of the entire painting line can be increased.

さらに、本発明の請求項３に係る塗装ブース垂直循環搬送機構は、請求項１または請求項２記載の発明が奏する効果に加えて、前記塗装用搬送コンベヤが塗装ブース専用台車を牽引しながら車輪走行させる牽引駆動手段を備えているとともに、台車返送用コンベヤが塗装ブース専用台車をフリクション走行させるフリクション駆動手段を備えていることにより、台車返送用コンベヤの返送速度を塗装用搬送コンベヤの搬送速度より高速することが確実に達成できる。   Further, in the painting booth vertical circulation conveyance mechanism according to claim 3 of the present invention, in addition to the effect exhibited by the invention according to claim 1 or claim 2, the painting conveyor conveys the wheels while drawing the painting booth carriage. It is equipped with traction drive means for running, and the carriage return conveyor has friction drive means for friction running the carriage for exclusive use of the coating booth, so that the return speed of the carriage return conveyor is higher than the transfer speed of the transfer conveyor for painting. High speed can be reliably achieved.

加えて、本発明の請求項４に係る塗装ブース垂直循環搬送機構は、請求項３記載の発明が奏する効果に加えて、前記牽引駆動手段が前記塗装ブース専用台車の左右いずれか一方にオフセット配置されていることにより、塗装ブース垂直循環搬送機構の全体的な高さ寸法を低減でき、しかも、台車返送用コンベヤを塗装ブース内の下エリアとなる床下に配置する場合には台車返送用コンベヤを設置するためのピットの深さを浅くできるとともに、その保守メンテナンスも簡便となる。   In addition, in the painting booth vertical circulation transport mechanism according to claim 4 of the present invention, in addition to the effect exhibited by the invention of claim 3, the traction drive means is offset on either the left or right of the carriage dedicated to the painting booth. This reduces the overall height of the painting booth vertical circulation transfer mechanism, and when the carriage return conveyor is placed under the floor in the lower area of the painting booth, the carriage return conveyor is The depth of the pit for installation can be reduced, and the maintenance can be simplified.

そして、本発明の請求項５に係る塗装ブース垂直循環搬送機構は、請求項１乃至請求項４のいずれかに記載の発明が奏する効果に加えて、前記塗装ブース専用台車が、自動車ボディを支承するフロント側支持アームとリア側支持アームと前記フロント側支持アームとリア側支持アームとをそれぞれ支承して車輪走行する前後一対の車輪支持アームと前記前後一対の車輪支持アームに連結されてフリクション走行するフリクションバーとで構成されていることにより、自動車ボディを搭載する塗装ブース専用台車が自動車ボディよりはみ出しを回避して塗装ブース専用台車の塗料汚れを抑制するため、塗装ブース専用台車の塗料汚れに起因する自動車ボディの塗料付着を低減できる。   The painting booth vertical circulation transport mechanism according to claim 5 of the present invention has the effect that the invention according to any one of claims 1 to 4 exhibits the effect that the carriage dedicated to the painting booth supports the automobile body. A front-side support arm, a rear-side support arm, a front-side support arm and a rear-side support arm, which are respectively supported by a pair of front-rear wheel support arms and a pair of front-rear wheel support arms, and a friction travel The paint booth trolley equipped with the car body prevents the paint booth from sticking out of the car body and suppresses paint stains on the paint booth trolley. The resulting paint adhesion to the car body can be reduced.

また、本発明の請求項６に係る塗装ブース垂直循環搬送機構は、請求項５記載の発明が奏する効果に加えて、前記フロント側支持アームとリア側支持アームが、フリクションバーに対して直交した自動車ボディ支承状態と前記フリクションバーと平行配列した台車返送状態との間で切り替え自在に軸支されていることにより、台車返送用コンベヤの設置幅を狭小化して設置するための省スペース化を達成できる。   Further, in the painting booth vertical circulation transport mechanism according to claim 6 of the present invention, in addition to the effect exhibited by the invention of claim 5, the front side support arm and the rear side support arm are orthogonal to the friction bar. Space-saving is achieved by narrowing the installation width of the carriage return conveyor by pivotally supporting the vehicle body support state and the carriage return state arranged in parallel with the friction bar. it can.

本発明の塗装ブース垂直循環搬送機構は、自動車ボディを搭載した塗装ブース専用台車を塗装開始位置から塗装終了位置に搬送する塗装用搬送コンベヤと前記自動車ボディを塗装終了位置で乾燥ブース側へ引き渡した後の塗装ブース専用台車を塗装開始位置に返送する台車返送用コンベヤとが塗装ブース内の上下エリアに配置されていることにより、自動車ボディの優れた塗装品質を発揮して台車可動効率を高めるとともに塗装ラインの省スペース化を達成するものであり、その具体的態様は如何なるものであっても差し支えない。   The painting booth vertical circulation conveyance mechanism of the present invention delivers the painting carriage dedicated carriage equipped with the automobile body from the painting start position to the painting end position and the automobile body to the drying booth side at the painting end position. The carriage return conveyor for returning the painting booth dedicated carriage to the painting start position is located in the upper and lower areas of the painting booth, which demonstrates the excellent painting quality of the automobile body and increases the carriage moving efficiency. This is to achieve space saving in the painting line, and any specific embodiment thereof can be used.

なお、本発明に用いる塗装用搬送コンベヤと台車返送用コンベヤの配置形態については、塗装ブース内の上下エリアが上下に隔離されていれば、塗装用搬送コンベヤと台車返送用コンベヤの上下配置関係はいずれであっても構わないが、好ましくは、台車返送用コンベヤを塗装用搬送コンベヤの下方に配置した場合には、上下の隔壁を格別に設置しなくても塗装用搬送コンベヤで搬送されながら塗装される自動車ボディが台車返送用コンベヤ側で生じている汚れの影響を受けることがない。   In addition, as for the arrangement form of the conveyor for transporting the carriage and the conveyor for returning the carriage used in the present invention, if the upper and lower areas in the coating booth are separated from each other vertically, the vertical arrangement relation between the conveyor for transporting the carriage and the carriage for returning the carriage is Any of these may be used, but preferably, when the carriage return conveyor is disposed below the coating conveyor, the coating is carried while being conveyed by the coating conveyor without the need to install separate upper and lower partition walls. The automobile body is not affected by dirt generated on the carriage returning conveyor side.

そして、前記塗装用搬送コンベヤと台車返送用コンベヤとの間の塗装ブース専用台車の乗り継ぎ手段については、如何なるものであっても差し支えないが、昇降リフター装置などを用いた場合には乗り継ぎスペースをコンパクトに施工できる。   And, any connecting means for the carriage for exclusive use of the painting booth between the painting conveying conveyor and the carriage returning conveyor can be used. However, when the lifting lifter is used, the connecting space is made compact. Can be installed.

また、本発明に用いる塗装ブース専用台車のフロント側支持アームとリア側支持アームと前後一対の車輪支持アームとのアーム長さについては、塗装用搬送コンベヤと台車返送用コンベヤで移送できれば如何なる大小関係であっても差し支えないが、車輪支持アームのアーム長さをフロント側支持アームとリア側支持アームのアーム長さより短くした方が塗装時の塗装汚れを回避し易く、円滑な車輪走行を実現でき、返送時の台車返送用コンベヤの設置幅を狭小化して省スペース化をより一段と達成できる。   Also, regarding the arm lengths of the front side support arm, rear side support arm, and front and rear pair of wheel support arms of the paint booth dedicated carriage used in the present invention, any size relationship is possible as long as it can be transferred by the paint transfer conveyor and the carriage return conveyor. However, if the arm length of the wheel support arm is shorter than the arm length of the front support arm and rear support arm, it is easier to avoid paint stains during painting, and smooth wheel running can be realized. In addition, it is possible to further reduce the space by narrowing the installation width of the carriage return conveyor during return.

さらに、前記塗装ブース専用台車の牽引駆動手段については、塗装ブース専用台車を牽引しながら車輪走行させるものであれば、如何なるものであっても差し支えなく、例えば、搬送チェーンの上面に所定間隔で起伏自在な係止爪とこの係止爪に係合可能な塗装ブース専用台車の底部に備えたドグとで構成しても良い。また、前記塗装ブース専用台車のフリクション駆動手段については、塗装ブース専用台車をフリクション走行させるものであれば、如何なるものであっても差し支えなく、例えば、フリクションバーに当接してフリクション駆動するフリクションローラとこのフリクションローラがフリクションバーに対して昇降して調圧自在となるように台車返送用コンベヤ側の機枠フレームに取り付けられた付勢ばねまたはエア式ベローズとを備えた駆動形態などを採用しても何ら構わない。   Further, any traction drive means for the paint booth trolley can be used as long as the paint booth trolley is allowed to run while pulling the paint booth trolley. You may comprise by the free claw and the dog with which the bottom part of the cart for exclusive use of the painting booth which can be engaged with this claw is equipped. Further, the friction drive means for the paint booth dedicated carriage may be any means as long as it allows the paint booth dedicated truck to run in friction, for example, a friction roller that contacts the friction bar and drives the friction. Adopting a drive form with an urging spring or air type bellows attached to the machine frame on the conveyor return conveyor side so that the friction roller can be raised and lowered with respect to the friction bar No matter what.

以下、図面を参照して、本発明の一実施例である塗装ブース垂直循環搬送機構１００を説明する。
ここで、図１乃至図５は、本発明の一実施例である塗装ブース垂直循環搬送機構に関するものであって、図１は、本発明の一実施例である塗装ブース垂直循環搬送機構を模式的に示した概略図であり、図２は、塗装ブース専用台車を斜め上方から見た斜視図であり、図３は、塗装ブース専用台車の平面図であり、図４は、塗装用搬送コンベヤの牽引駆動手段と塗装ブース専用台車との関連図であり、図５は、台車返送用コンベヤのフリクション駆動手段と塗装ブース専用台車との関連図である。 Hereinafter, a painting booth vertical circulation conveyance mechanism 100 according to an embodiment of the present invention will be described with reference to the drawings.
Here, FIG. 1 to FIG. 5 relate to a painting booth vertical circulation conveyance mechanism which is an embodiment of the present invention, and FIG. 1 schematically illustrates a painting booth vertical circulation conveyance mechanism which is an embodiment of the present invention. FIG. 2 is a perspective view of the painting booth dedicated carriage viewed obliquely from above, FIG. 3 is a plan view of the painting booth dedicated carriage, and FIG. 4 is a conveying conveyor for painting. FIG. 5 is a view showing the relationship between the friction drive means of the carriage returning conveyor and the paint booth carriage.

まず、図１に示すように、本実施例の塗装ブース垂直循環搬送機構１００は、自動車ボディＷを搭載した多数の塗装ブース専用台車１１０を塗装開始位置Ｐ１から塗装終了位置Ｐ２に順次搬送する塗装用搬送コンベヤ１２０が塗装ブースＰＢ内の上側エリアに敷設されるとともに、前記自動車ボディＷを塗装終了位置Ｐ２で乾燥ブースＤＢ側へ引き渡した後の塗装ブース専用台車１１０を塗装開始位置Ｐ１に順次返送する台車返送用コンベヤ１３０が塗装ブースＰＢ内の下側エリアに敷設され、塗装ブースＰＢの上下エリア内で多数の塗装ブース専用台車１１０が垂直循環搬送するように構成したものである。
すなわち、本実施例では、塗装用搬送コンベヤ１２０上で塗料付着により汚れた塗装ブース専用台車１１０を塗装用搬送コンベヤ１２０の下方となる下側エリアに配置した台車返送用コンベヤ１３０で返送するようにレイアウト設計されているため、塗装用搬送コンベヤ１２０上で塗装している最中の自動車ボディＷに塗装カスなどの汚れを付着させることがないようになっている。
なお、図１に示す符号１４０は、塗装用搬送コンベヤ１２０と台車返送用コンベヤ１３０との間の塗装ブース専用台車１１０の乗り継ぎ手段となる昇降リフター装置である。 First, as shown in FIG. 1, the painting booth vertical circulation conveyance mechanism 100 of the present embodiment sequentially conveys a large number of painting booth dedicated carriages 110 equipped with an automobile body W from a painting start position P1 to a painting end position P2. The transport conveyor 120 is laid in the upper area in the painting booth PB, and the painting booth carriage 110 after the automobile body W is transferred to the drying booth DB side at the painting end position P2 is sequentially returned to the painting start position P1. The carriage returning conveyor 130 is laid in the lower area in the painting booth PB, and a number of painting booth dedicated carriages 110 are vertically circulated and conveyed in the upper and lower areas of the painting booth PB.
That is, in this embodiment, the coating booth carriage 110 that is soiled due to adhesion of the paint on the coating conveyor 120 is returned by the carriage return conveyor 130 disposed in the lower area below the coating conveyor 120. Since the layout is designed, dirt such as paint residue is not attached to the automobile body W that is being coated on the coating conveyor 120.
In addition, the code | symbol 140 shown in FIG. 1 is the raising / lowering lifter apparatus used as the connection means of the coating booth exclusive trolley | bogie 110 between the conveyance conveyor 120 for coating, and the conveyor 130 for trolley | bogie return.

そして、本実施例の塗装ブース垂直循環搬送機構１００では、台車返送用コンベヤ１３０の返送速度Ｖ２を塗装用搬送コンベヤ１２０の搬送速度Ｖ１より高速となるように構成することで、台車返送用コンベヤ１３０上で返送されるブース専用台車１１０の台数を少なくして、塗装ライン全体としてのブース専用台車１１０の台車可動効率を高めるようになっている。   In the painting booth vertical circulation conveyance mechanism 100 of the present embodiment, the carriage return conveyor 130 is configured such that the return speed V2 of the carriage return conveyor 130 is higher than the conveyance speed V1 of the painting conveyor 120. The number of booth carriages 110 returned above is reduced, and the carriage moving efficiency of the booth carriage 110 as a whole painting line is increased.

図２乃至図３に示すブース専用台車１１０の具体的な構造について詳しく説明する。
すなわち、本実施例で用いたブース専用台車１１０は、自動車ボディＷを支承するフロント側支持アーム１１１とリア側支持アーム１１２とこれらのフロント側支持アーム１１１とリア側支持アーム１１２とをそれぞれ支承して車輪走行する前後一対の車輪支持アーム１１３、１１３とを備え、さらに、これら前後一対の車輪支持アーム１１３、１１３に連結されてフリクション走行するフリクションバー１１４を備えて、塗装ブース専用台車１１０を自動車ボディＷよりはみ出さないようにして塗装ブース専用台車１１０の塗料汚れを抑制するようになっている。
なお、図２乃至図３の符号１１５は、車輪支持アーム１１３に取り付けられた車輪であり、符号１２１は、塗装用搬送コンベヤ１２０の一部を構成して搬送方向に延びる左右一対の搬送レールであり、この左右一対の搬送レール１２１、１２１上を塗装ブース専用台車１１０側の車輪１１５、１１５、１１５、１１５が搬送走行するようになっている。 A specific structure of the booth cart 110 shown in FIGS. 2 to 3 will be described in detail.
In other words, the booth dedicated carriage 110 used in this embodiment supports the front side support arm 111 and the rear side support arm 112 that support the automobile body W, and the front side support arm 111 and the rear side support arm 112, respectively. And a pair of front and rear wheel support arms 113 and 113 that run on the wheels, and a friction bar 114 that is connected to the front and rear wheel support arms 113 and 113 and that runs on the friction. In order not to protrude from the body W, the paint booth carriage 110 is prevented from being stained with paint.
2 to 3 is a wheel 115 attached to the wheel support arm 113, and reference numeral 121 is a pair of left and right transport rails that constitute a part of the coating transport conveyor 120 and extend in the transport direction. Yes, the wheels 115, 115, 115, 115 on the painting booth dedicated carriage 110 side are transported on the pair of left and right transport rails 121, 121.

そして、前記フロント側支持アーム１１１とリア側支持アーム１１２が、フリクションバー１１４に対して直交した自動車ボディ支承状態とフリクションバー１１４と平行配列した台車返送状態との間で切り替え自在に軸支され、台車返送用コンベヤ１３０の設置幅を狭小化して設置することが可能になっている。
なお、図２乃至図３の符号１１６は、フロント側支持アーム１１１とリア側支持アーム１１２とを自動車ボディ支承状態と台車返送状態との間で切り替えガイド（図示しない）によって切り替えるためのスイッチングレバーである。 The front-side support arm 111 and the rear-side support arm 112 are pivotally supported so as to be switchable between a vehicle body support state orthogonal to the friction bar 114 and a carriage return state arranged in parallel with the friction bar 114, The installation width of the carriage returning conveyor 130 can be reduced and installed.
2 to 3 is a switching lever for switching the front side support arm 111 and the rear side support arm 112 between a vehicle body support state and a carriage return state by a switching guide (not shown). is there.

図４乃至図５に示す塗装用搬送コンベヤ１２０の具体的なコンベヤ構造について詳しく説明する。
すなわち、本実施例で用いた塗装用搬送コンベヤ１２０は、図４に示すように、上述した左右一対の搬送レール１２１、１２１に加えて、塗装ブース専用台車１１０を牽引しながら車輪走行させる牽引駆動手段１２２を備え、さらに、この牽引駆動手段１２２は、駆動スプロケット１２２ａによって周回駆動する搬送チェーン１２２ｂとこの搬送チェーン１２２ｂの上面に所定間隔で起伏自在な係止爪１２２ｃとで構成され、この係止爪１２２ｃを塗装ブース専用台車１１０の底面側部に備えたドグ（図示しない）に係合させて駆動するようになっている。
また、上述した牽引駆動手段１２２は、図４乃至図５に示すように、塗装ブース専用台車１１０の片側にオフセット配置され、塗装ブース垂直循環搬送機構１００の全体的な高さ寸法を低減するようになっている。
なお、図４の符号１２２ｄは、駆動スプロケット１２２ａを駆動させるための牽引駆動用モータである。 A specific conveyor structure of the coating transfer conveyor 120 shown in FIGS. 4 to 5 will be described in detail.
That is, as shown in FIG. 4, the coating conveyor 120 used in this embodiment is a traction drive that causes the coating booth dedicated carriage 110 to run on wheels in addition to the pair of left and right conveying rails 121 and 121 described above. The traction drive means 122 includes a conveying chain 122b that is driven by a driving sprocket 122a and a locking claw 122c that can be raised and lowered at a predetermined interval on the upper surface of the conveying chain 122b. The claw 122c is driven by being engaged with a dog (not shown) provided on the bottom side of the painting booth cart 110.
Further, as shown in FIGS. 4 to 5, the traction drive unit 122 described above is offset on one side of the coating booth exclusive carriage 110 so as to reduce the overall height dimension of the coating booth vertical circulation transport mechanism 100. It has become.
In addition, the code | symbol 122d of FIG. 4 is a traction drive motor for driving the drive sprocket 122a.

図４乃至図５に示す台車返送用コンベヤ１３０の具体的なコンベヤ構造について詳しく説明する。
すなわち、本実施例で用いた台車返送用コンベヤ１３０は、図５に示すように、塗装ブース専用台車１１０の返送時に生じがちな左右振れを解消するために、前述した塗装用搬送コンベヤ１２０の搬送レール１２１、１２１と同幅の左右一対のガイドレール１３１、１３１を備えるとともに、塗装ブース専用台車１１０をフリクション走行させるフリクション駆動手段１３２を備え、さらに、このフリクション駆動手段１３２は、フリクションバー１１４に当接してフリクション駆動するフリクションローラ１３２ａとこのフリクションローラ１３２ａを回転駆動させるフリクション駆動用モータ１３２ｂとを備えている。 A specific conveyor structure of the carriage return conveyor 130 shown in FIGS. 4 to 5 will be described in detail.
That is, the carriage returning conveyor 130 used in the present embodiment is, as shown in FIG. 5, transported by the aforementioned coating conveyor 120 in order to eliminate the left and right runout that tends to occur when the painting booth carriage 110 is returned. A pair of left and right guide rails 131, 131 having the same width as the rails 121, 121 are provided, and friction drive means 132 for causing the paint booth dedicated carriage 110 to run in friction is further provided. A friction roller 132a that is in contact with the friction roller and a friction drive motor 132b that rotationally drives the friction roller 132a are provided.

このようにして構成された本実施例の塗装ブース垂直循環搬送機構１００は、塗装ブースＰＢの上側エリアに敷設された塗装用搬送コンベヤ１２０によって自動車ボディＷを搭載した塗装ブース専用台車１１０を塗装開始位置Ｐ１から塗装終了位置Ｐ２に搬送しながら各種の塗装処理を施した後、自動車ボディＷを塗装終了位置Ｐ２で乾燥ブースＤＢ側へ引き渡すとともに、塗装ブースＰＢの下側エリアに敷設された台車返送用コンベヤ１３０によって引き渡した後の塗装ブース専用台車１１０を塗装開始位置Ｐ１に返送することができる。   The coating booth vertical circulation transport mechanism 100 of the present embodiment configured as described above starts coating the coating booth dedicated carriage 110 on which the automobile body W is mounted by the coating transport conveyor 120 laid in the upper area of the coating booth PB. After carrying out various painting processes while transporting from position P1 to painting end position P2, the vehicle body W is handed over to the drying booth DB side at the painting end position P2 and the carriage laid in the lower area of the painting booth PB is returned. The coating booth carriage 110 after being delivered by the conveyor 130 can be returned to the coating start position P1.

したがって、本実施例の塗装ブース垂直循環搬送機構１００は、自動車ボディＷを塗装終了位置Ｐ２で乾燥ブースＰＢ側へ引き渡した後の塗装ブース専用台車１１０が乾燥ブースＤＢ側へ侵入することなく塗装ブースＰＢ内の塗装開始位置Ｐ１に返送される、所謂、塗装ブースＰＢ内で専用して使用されるため、塗装ブース専用台車１１０に付着した塗料などの汚れを乾燥ブースＤＢ側へ持ち込んで乾燥してなる塗装カスの自動車ボディＷに対する再付着を回避して、自動車ボディＷを優れた塗装品質で仕上げることができ、また、塗装ブース専用台車１１０に付着した塗料を乾燥させることなくウェットな状態で洗浄除去できるので、塗装ブース専用台車１１０の保守メンテナンスを簡便に達成でき、しかも、塗装ブース専用台車１１０を塗装ブースＰＢの上下エリア内で垂直循環できるため、台車返送用コンベヤ１３０を塗装用搬送コンベヤ１２０と連続した同一水平床面に敷設する必要がなく、塗装ラインの省スペース化を達成できるなど、その効果は甚大である。   Therefore, the painting booth vertical circulation transport mechanism 100 according to the present embodiment allows the painting booth dedicated carriage 110 after the automobile body W is delivered to the drying booth PB side at the painting end position P2 without entering the drying booth DB side. Since it is used exclusively in the so-called painting booth PB, which is returned to the painting start position P1 in the PB, the paint, etc. adhering to the painting booth dedicated carriage 110 is brought to the drying booth DB side and dried. By avoiding the re-attachment of the paint residue to the car body W, the car body W can be finished with excellent paint quality, and the paint adhering to the paint booth carriage 110 can be washed in a wet state without drying. Since it can be removed, maintenance of the painting booth cart 110 can be easily achieved, and the painting booth cart 110 can be Since it can be vertically circulated in the upper and lower areas of the loading booth PB, it is not necessary to lay the carriage returning conveyor 130 on the same horizontal floor continuous with the coating conveying conveyor 120, and the space for the painting line can be saved. The effect is enormous.

本発明の一実施例である塗装ブース垂直循環搬送機構の概略図。Schematic of the painting booth vertical circulation conveyance mechanism which is one Example of this invention. 本実施例に用いた塗装ブース専用台車を斜め上方から見た斜視図。The perspective view which looked at the trolley for exclusive use of the painting booth used for the present example from the slanting upper part. 本実施例に用いた塗装ブース専用台車の平面図。The top view of the trolley | bogie for coating booths used for the present Example. 塗装用搬送コンベヤの牽引駆動手段と塗装ブース専用台車との関連図。Fig. 3 is a diagram showing the relationship between the traction drive means of the painting conveyor and the carriage dedicated to the painting booth. 台車返送用コンベヤのフリクション駆動手段と塗装ブース専用台車との関連図。The related figure of the friction drive means of the trolley return conveyor and the trolley for the painting booth.

符号の説明Explanation of symbols

１００ ・・・ 塗装ブース垂直循環搬送機構
１１０ ・・・ 塗装ブース専用台車
１１１ ・・・ フロント側支持アーム
１１２ ・・・ リア側支持アーム
１１３ ・・・ 車輪支持アーム
１１４ ・・・ フリクションバー
１１５ ・・・ 車輪
１１６ ・・・ スイッチングレバー
１２０ ・・・ 塗装用搬送コンベヤ
１２１ ・・・ 搬送レール
１２２ ・・・ 牽引駆動手段
１２２ａ・・・ 駆動スプロケット
１２２ｂ・・・ 搬送チェーン
１２２ｃ・・・ 係止爪
１２２ｄ・・・ 牽引駆動用モータ
１３０ ・・・ 台車返送用コンベヤ
１３１ ・・・ ガイドレール
１３２ ・・・ フリクション駆動手段
１３２ａ・・・ フリクションローラ
１３２ｂ・・・ フリクション駆動用モータ
１４０ ・・・ 昇降リフター装置
Ｗ ・・・ 自動車ボディ
ＰＢ ・・・ 塗装ブース
Ｐ１ ・・・ 塗装開始位置
Ｐ２ ・・・ 塗装終了位置
ＤＢ ・・・ 乾燥ブース
Ｖ１ ・・・ 搬送速度
Ｖ２ ・・・ 返送速度
DESCRIPTION OF SYMBOLS 100 ... Paint booth vertical circulation conveyance mechanism 110 ... Paint booth exclusive cart 111 ... Front side support arm 112 ... Rear side support arm 113 ... Wheel support arm 114 ... Friction bar 115 ... · Wheel 116 ··· Switching lever 120 ··· Conveyor for painting 121 ··· Conveyor rail 122 ··· Traction drive means 122a ··· Drive sprocket 122b ··· Conveyor chain 122c · · · Claw 122d · ··· Traction drive motor 130 ··· Dolly return conveyor 131 ··· Guide rail 132 · · · Friction drive means 132a · · · Friction roller 132b · · · Friction drive motor 140 · · · Lifting / lifting device W .... Car body PB ... Instrumentation booth P1 ··· painting start position P2 ··· painting end position DB ··· dry booth V1 ··· conveying speed V2 ··· return rate

Claims (6)

自動車ボディを搭載した塗装ブース専用台車を塗装開始位置から塗装終了位置に搬送する塗装用搬送コンベヤと前記自動車ボディを塗装終了位置で乾燥ブース側へ引き渡した後の塗装ブース専用台車を塗装開始位置に返送する台車返送用コンベヤとが塗装ブース内の上下エリアに配置されていることを特徴とする塗装ブース垂直循環搬送機構。   A painting conveyor that transports a car dedicated to the painting booth equipped with an automobile body from the painting start position to the painting end position, and the carriage dedicated to the painting booth after the automobile body has been handed over to the drying booth at the painting end position. The painting booth vertical circulation transport mechanism, wherein the carriage returning conveyor is arranged in the upper and lower areas in the painting booth. 前記台車返送用コンベヤの返送速度が、前記塗装用搬送コンベヤの搬送速度より高速であることを特徴とする請求項１記載の塗装ブース垂直循環搬送機構。   The coating booth vertical circulation conveyance mechanism according to claim 1, wherein a return speed of the carriage return conveyor is higher than a conveyance speed of the coating conveyor. 前記塗装用搬送コンベヤが塗装ブース専用台車を牽引しながら車輪走行させる牽引駆動手段を備えているとともに、前記台車返送用コンベヤが塗装ブース専用台車をフリクション走行させるフリクション駆動手段を備えていることを特徴とする請求項１または請求項２記載の塗装ブース垂直循環搬送機構。   The coating conveying conveyor includes a traction driving means for driving the wheel while pulling the coating booth dedicated carriage, and the carriage returning conveyor includes a friction driving means for causing the coating booth dedicated truck to friction drive. The coating booth vertical circulation conveyance mechanism according to claim 1 or 2. 前記牽引駆動手段が、前記塗装ブース専用台車の左右いずれか一方にオフセット配置されていることを特徴とする請求項３記載の塗装ブース垂直循環搬送機構。   4. The painting booth vertical circulation transport mechanism according to claim 3, wherein the traction drive means is offset on either the left or right side of the painting booth carriage. 前記塗装ブース専用台車が、自動車ボディを支承するフロント側支持アームとリア側支持アームと前記フロント側支持アームとリア側支持アームとをそれぞれ支承して車輪走行する前後一対の車輪支持アームと前記車輪支持アームの相互間に連結されてフリクション走行するフリクションバーとで構成されていることを特徴とする請求項１乃至請求項４のいずれかに記載の塗装ブース垂直循環搬送機構。   A pair of front and rear wheel support arms and the wheels that the carriage dedicated to the painting booth travels by supporting the front side support arm, the rear side support arm, the front side support arm, and the rear side support arm that support the automobile body, respectively. The coating booth vertical circulation conveyance mechanism according to any one of claims 1 to 4, wherein the painting booth is constituted by a friction bar that is connected between the support arms and frictionally travels. 前記フロント側支持アームとリア側支持アームが、前記フリクションバーに対して直交した自動車ボディ支承状態と前記フリクションバーと平行配列した台車返送状態との間で切り替え自在に軸支されていることを特徴とする請求項５記載の塗装ブース垂直循環搬送機構。   The front-side support arm and the rear-side support arm are pivotally supported so as to be switchable between a vehicle body support state orthogonal to the friction bar and a carriage return state arranged in parallel with the friction bar. The coating booth vertical circulation conveyance mechanism according to claim 5.
JP2004349161A 2004-12-01 2004-12-01 Paint booth vertical circulation transfer mechanism Active JP4476109B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011079624A (en) * 2009-10-06 2011-04-21 Ishihara Giken:Kk Pallet working platform circulating carrying device
CN102847630A (en) * 2012-09-21 2013-01-02 东莞丰裕电机有限公司 Spraying production line
CN108946027A (en) * 2018-09-06 2018-12-07 江苏锦升科技有限公司 A kind of intelligence overhead chain conveyer system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011079624A (en) * 2009-10-06 2011-04-21 Ishihara Giken:Kk Pallet working platform circulating carrying device
CN102847630A (en) * 2012-09-21 2013-01-02 东莞丰裕电机有限公司 Spraying production line
CN102847630B (en) * 2012-09-21 2014-11-12 东莞丰裕电机有限公司 Spraying production line
CN108946027A (en) * 2018-09-06 2018-12-07 江苏锦升科技有限公司 A kind of intelligence overhead chain conveyer system
CN108946027B (en) * 2018-09-06 2024-04-16 江苏锦升科技有限公司 Intelligent suspension conveyor system

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