JPWO2016120967A1 - 塗装乾燥装置及び塗装乾燥方法 - Google Patents
塗装乾燥装置及び塗装乾燥方法 Download PDFInfo
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- JPWO2016120967A1 JPWO2016120967A1 JP2016571519A JP2016571519A JPWO2016120967A1 JP WO2016120967 A1 JPWO2016120967 A1 JP WO2016120967A1 JP 2016571519 A JP2016571519 A JP 2016571519A JP 2016571519 A JP2016571519 A JP 2016571519A JP WO2016120967 A1 JPWO2016120967 A1 JP WO2016120967A1
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Images
Classifications
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- F26—DRYING
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- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/14—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by trays or racks or receptacles, which may be connected to endless chains or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/90—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
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- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
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- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
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- F26B2210/12—Vehicle bodies, e.g. after being painted
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
(1)自動車ボディBは、その構造上、熱風が当たり易い部位と当たり難い部位を含んで構成されることが殆どである。たとえば、サイドドアDのヒンジH1,H2の近傍の狭隘部N1、N2は、サイドドアDを閉じた状態で上塗り塗装乾燥装置1へ流しても、熱風が廻り込み難く、昇温し難い。これに対して、サイドドアDのアウタパネルなどの外板部は、熱風が直接吹き付けられ易く、昇温し易い。このため、上塗り塗装乾燥装置1の熱風温度や通過時間などの設定条件を、昇温し難い狭隘部N1,N2の塗布面に合わせると、昇温し易い外板部が品質保証基準を大幅に超えて無駄なエネルギが消費されるだけでなく、場合によってはオーバーベークが生じ、却って塗膜品質を低下させるおそれもある。かと言って、上塗り塗装乾燥装置1の熱風温度や通過時間などの設定条件を、昇温し易い外板部に合わせると、狭隘部N1,N2の塗膜の乾燥条件が品質保証基準を満たさず、いわゆる焼き甘が生じて、塗膜性能の低下や塗膜剥がれが生じるおそれがある。本実施形態では、サイドドアDが開いた状態で搬送される第2炉体122において、相対的に昇温し難い狭隘部N1,N2の塗布面に向かって熱風を局所的に吹き付けることで、自動車ボディBの塗膜全域に亘る乾燥条件の均一化を図ることができ、塗膜品質だけでなく省エネルギも実現することができる。またこれ以外は、炉幅が狭い第1炉体121とすることで乾燥炉本体10の総合スペースを最小限にすることができる。
WL…車体組立(溶接)ライン
ASL…車両組立(艤装)ライン
PL…塗装ライン
P1…下塗り工程(電着工程)
P11…電着前処理工程
P12…電着塗装工程
P13…電着乾燥工程
P2…シーリング工程
P3…中塗り工程
P31…中塗り塗装工程
P32…中塗り乾燥工程
P4…水研工程
P41…水研乾燥工程
P5…上塗り工程
P51…上塗り塗装工程
P52…上塗り乾燥工程
P6…塗完検査工程
P7…中塗り・上塗り工程
P71…中塗り・上塗り塗装工程
P72…中塗り・上塗り乾燥工程
D/L…ドロップリフタ
B…ボディシェル(被塗物)
B1…ボディシェル本体
B2…フロントドア開口部
B3…リヤドア開口部
B4…フロントピラー
B5…センターピラー
B6…フロントアンダボディ
B7…リヤアンダボディ
B8…ルーフサイドレール
B9…サイドシル
B10…リヤピラー
B11…フロントフェンダ
B12…リヤフェンダ
B13…ルーフ
F…フード
T…トランクリッド
D…サイドドア
D1…フロントドア
H1(H)…ヒンジ
H11,H12…ヒンジブラケット
H13…ヒンジピン
D2…リヤドア
H2(H)…ヒンジ
H21,H22…ヒンジブラケット
H23…ヒンジピン
N1,N2…狭隘部
W1…サイドドアを閉じた状態の車幅
W2…サイドドアを開いた状態の車幅
1…上塗り塗装乾燥装置
10…乾燥炉本体
11…入口側の上り傾斜部
12…高床部
121…第1炉体
122…第2炉体
123…傾斜面
13…出口側の下り傾斜部
14…天井面
15…側面
16…床面
20…熱風給気装置
21…給気ファン
22…給気フィルタ
23…バーナ
24…給気ダクト
25…第1熱風吹出口
26…第2熱風吹出口
261…吹出口
262,262a,262b…軸体
263…支持体
264…基部
265…第1駆動部
266…第2駆動部
267…制御部
30…排気装置
31…排気ファン
32…排気フィルタ
33…排気ダクト
34…排気吸込み口
40…搬送コンベア
41…レール
42…下り傾斜
43…上り傾斜
50…塗装台車
51…基台
52…フロントアタッチメント
53…リヤアタッチメント
54…車輪
60…ドア開閉維持部材
61…ドア側固定フレーム
611…基端部
612…先端部
62…車体側固定フレーム
621…フレーム
622…回転体
623…回転規制体
63…操作棒
64…関節部
641…固定部
641a…軸受け板
642…回転部
642a…ラチェット板
642b…ラチェット歯
642c…第1当接部
642d…第2当接部
643…カム板
643a…第1凸部
643b…第2凸部
643c…周縁凹部
643d…周縁凸部
643e…案内部
644…逆回転規制爪
644a…爪片
645…回転軸
646…揺動軸
647…ねじりコイルばね
70…ドア開閉機構
71…ドア開放機構
711…アーム
712…駆動部
713…ハンド
72…ドア閉塞機構
721…アーム
722…駆動部
723…ハンド
とである。
課題を解決するための手段
[0006]
本発明は、乾燥炉本体に、主として自動車のボディのヒンジの近傍のボディシェル本体と蓋物部品との塗布面に向かって熱風を吹き付け、塗布面に塗布された塗膜を局所的に乾燥する局所乾燥領域を設けることで、上記課題を解決する。
発明の効果
[0007]
本発明によれば、自動車ボディの、ヒンジの近傍のボディシェル本体と蓋物部品との塗布面に向かって局所的に熱風を吹き付けることで、当該塗布面に塗布されたウェット塗膜に対しても所定の乾燥条件を満足させることができる。
図面の簡単な説明
[0008]
[図1A]本発明に係る上塗り塗装乾燥装置及び方法の一実施の形態を適用した塗装ラインの一例を示す全体工程図である。
[図1B]本発明に係る上塗り塗装乾燥装置及び方法の一実施の形態を適用した塗装ラインの他例を示す全体工程図である。
[図2A]本発明の一実施の形態に係る自動車ボディを塗装台車に搭載した状態を示す側面図である。
[図2B]本発明の一実施の形態に係る自動車ボディのフロントドアを室内側から見た正面図ある。
[図2C]本発明の一実施の形態に係る自動車ボディのリヤドアを室内側から見た正面図ある。
[図2D]図2Aの2D−2D線に沿う断面図であって、フロントピラー、フロントドア及びヒンジを含む狭隘部の一例を示す断面図である。
[図2E]図2Aの2E−2E線に沿う断面図であって、センターピラー、リヤドア及びヒンジを含む狭隘部の一例を示す断面図である。
[図2F]図2B,図2Cのヒンジの一例を示す分解斜視図である。
[図2G]本発明の一実施の形態に係る自動車ボディのフロントドアを開放した状態を、ボディシェル本体の後方から見た図である。
[図3A]本発明の一実施の形態に係る上塗り塗装乾燥装置の概略構成を示す側
Claims (8)
- 乾燥炉本体と、前記乾燥炉本体内に熱風を供給する熱風生成供給手段とを備え、外板部と狭隘部とを含む自動車ボディを搬送しながら、前記外板部及び前記狭隘部に塗布したウェット塗膜を乾燥する塗装乾燥装置において、
前記乾燥炉本体は、
主として前記狭隘部に向かって熱風を吹き付け、前記狭隘部に塗布された塗膜を局所的に乾燥する局所乾燥領域を含む塗装乾燥装置。 - 前記乾燥炉本体は、
前記自動車ボディの全体に熱風を吹き付け、前記自動車ボディに塗布された塗膜を乾燥する温度保持領域を含む請求項1に記載の塗装乾燥装置。 - 前記自動車ボディは、ボディシェル本体にヒンジを介して蓋物部品が装着され、
前記狭隘部は、前記ヒンジの近傍の前記ボディシェル本体と前記蓋物部品との塗布面を含み、
前記自動車ボディは、少なくとも前記局所乾燥領域において前記蓋物部品を開いた状態で搬送され、
前記熱風生成供給手段は、前記蓋物部品が開いた状態の前記ヒンジの近傍の前記塗布面に塗布されたウェット塗膜に向かって熱風を吹き付ける局所吹出口を含む請求項1又は2に記載の塗装乾燥装置。 - 車種が異なる自動車ボディが搬送される塗装乾燥装置であって、
前記熱風生成供給手段は、狭隘部に向かう熱風の吹出方向を可変とする駆動部を含み、
前記局所乾燥領域に到着した前記自動車ボディの車種を検出する車種検出手段と、
前記車種検出手段により検出された車種に応じて前記駆動部に制御信号を出力し、前記局所吹出口からの熱風の吹出方向を制御する制御手段と、をさらに備える請求項3に記載の塗装乾燥装置。 - 乾燥炉本体と、前記乾燥炉本体内に熱風を供給する熱風生成供給手段とを備える塗装乾燥装置を用いて、
外板部と狭隘部とを含む自動車ボディを搬送しながら、前記自動車ボディに塗布したウェット塗膜を乾燥する塗装乾燥方法であって、
主として前記狭隘部に向かって熱風を吹き付け、前記狭隘部に塗布された塗膜を局所的に乾燥する局所乾燥工程を含む塗装乾燥方法。 - 前記自動車ボディの全体に熱風を吹き付け、前記自動車ボディに塗布された塗膜を乾燥する温度保持工程を含む請求項5に記載の塗装乾燥方法。
- 前記自動車ボディは、ボディシェル本体にヒンジを介して蓋物部品が装着され、
前記狭隘部は、前記ヒンジの近傍の前記ボディシェル本体と前記蓋物部品との塗布面を含み、
少なくとも前記局所乾燥工程において、前記自動車ボディは、前記蓋物部品を開いた状態で搬送されるとともに、前記蓋物部品が開いた状態の前記ヒンジの近傍の前記塗布面に塗布されたウェット塗膜に向かって熱風を吹き付ける請求項5又は6に記載の塗装乾燥方法。 - 車種が異なる自動車ボディが搬送され、
前記局所乾燥工程において、当該局所乾燥工程に到着した自動車ボディの車種に応じて前記熱風生成供給手段からの熱風の吹出方向を制御し、前記狭隘部に向かって熱風を吹き付ける請求項5〜7のいずれか一項に記載の塗装乾燥方法。
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