EP0666112A1 - Verfahren und Anlage zum Spritzen von Beschichtungsprodukten - Google Patents

Verfahren und Anlage zum Spritzen von Beschichtungsprodukten Download PDF

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Publication number
EP0666112A1
EP0666112A1 EP95410006A EP95410006A EP0666112A1 EP 0666112 A1 EP0666112 A1 EP 0666112A1 EP 95410006 A EP95410006 A EP 95410006A EP 95410006 A EP95410006 A EP 95410006A EP 0666112 A1 EP0666112 A1 EP 0666112A1
Authority
EP
European Patent Office
Prior art keywords
coating product
coating
installation
projection
cabin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95410006A
Other languages
English (en)
French (fr)
Other versions
EP0666112B1 (de
Inventor
Michel Fouvet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sames SA
Original Assignee
Sames SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9459827&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0666112(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sames SA filed Critical Sames SA
Publication of EP0666112A1 publication Critical patent/EP0666112A1/de
Application granted granted Critical
Publication of EP0666112B1 publication Critical patent/EP0666112B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0447—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles
    • B05B13/0452—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles the conveyed articles being vehicle bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor 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
    • B05B16/60—Ventilation arrangements specially adapted therefor

Definitions

  • the invention relates to a method and an installation for spraying coating product onto objects carried by a conveyor, such as for example bodies of motor vehicles.
  • the bodies are moved by a conveyor and the installation consists of several projection machines, called side, intended to coat the sides of the body and a machine, called roof , comprising two gantries supporting a beam which itself carries at least one headlamp intended to coat the front, the hood, the roof, the boot and the rear of the bodywork.
  • An installation generally has three side machines per side and a roof machine. In the case of bodywork of industrial vehicles, such as large truck cabs, the number of side machines must most often be increased.
  • the invention aims at optimal use of the roof machine which eliminates the side machines of the prior art. Investments during the construction of the installation are reduced accordingly and a significant saving of space is achieved. Indeed, the location of the lateral machines is freed, which implies a shorter cabin length, therefore a lesser volume, ventilation and / or fire protection systems more compact, and, finally, a lighter infrastructure, therefore less expensive.
  • the invention relates to a method of spraying coating product onto an object moved by a discontinuous movement conveyor, characterized in that a rotation about a vertical axis is imparted to said object between two phases of coating using at least a projector carried by the beam of a roof machine, the phases corresponding to the coating of different faces of the object.
  • roof machine according to the method of the invention is particularly advantageous with objects of generally parallelepiped shape such as vehicle bodies. Indeed, there are then five well-defined surfaces, roughly perpendicular two by two, to be coated, possibly discontinuous like that formed by the engine hood, the roof and the trunk of a sedan.
  • the invention also relates to a method of spraying coating product by means of a projector, characterized in that the spraying of coating product, in a spray booth, during movements of the sprayer in the same direction as the current of air dominant established in said cabin takes place during movements of the headlight opposite to the dominant air current.
  • the invention further relates to a coating product spraying installation comprising a roof machine, characterized in that it comprises means of rectilinear transport of the objects to be coated, capable of interrupting the movement of the said objects and a pivoting support capable of subjecting them to at least a rotation of approximately 90 °.
  • the invention finally relates to an installation for spraying coating product in a cabin equipped with ventilation means capable of establishing a dominant air flow in the cabin, characterized in that it comprises means for activating at least one projector during its movements in the same direction and in opposite directions to said dominant air current.
  • FIG. 1 The installation of FIG. 1 is intended for coating motor vehicle bodies 1, for example truck cabs.
  • Five sides of the bodies are to be coated, namely the front 1a, the rear 1b, the roof 1c, the right side 1d and the left side 1e.
  • Each body is carried by a carriage 2 moved on a predefined path along an axis XX 'by means of an appropriate drive system 3.
  • the drive system is of the discontinuous movement type, which means that the bodies are stopped during the coating phases.
  • a roof machine consists of two gantries 11 and 12 each carrying respectively a lateral tracking carriage 13 and 14 supporting a beam 15 and allowing its displacement along the axis XX '.
  • the beam 15 carries four projectors 16a to 16d of coating product, for example rotary projectors of pulverulent product.
  • the body is supported by the carriage 2 forming a support.
  • the carriage is formed of a fixed frame 2a and a turret 2b capable of pivoting about a vertical axis.
  • the beam 15 is mobile at altitude; the carriages 13 and 14 are moved on the gantries 11 and 12 by means of motors, for example electric, and belts known to those skilled in the art.
  • the movement of the carriages 13 and 14 at altitude makes it possible to sweep the beam the entire height of the objects to be coated.
  • the ventilation of the cabin is carried out by means of an air supply, such as for example a fan 20, located in the ceiling 21 of the cabin 22 and a suction hood 23 formed under the floor 24 of the cabin. A dominant vertical air flow from top to bottom, materialized by the arrows F, is thus created in the cabin.
  • FIGS 3 and 4 are views similar to Figures 1 and 2 respectively; identical elements have the same reference numbers.
  • the beam 15 is shown in Figure 2 at the lowest point of its travel. Its upward movement combined with the start-up of the projectors 16 makes it possible to coat the front face 1a of the bodywork 1. The beam is then moved without projection to position itself opposite the rear face 1b of the bodywork and at the lowest point of its course. The projection resumes during the upward movement of the beam.
  • the installation therefore makes it possible to coat the front 1a and rear 1b faces of the body 1 as well as the roof 1c if necessary.
  • the projection takes place during movements of the beam carrying the projectors in the same direction and in the opposite direction to the dominant air flow established in the projection booth, that is to say opposite to the arrows F.
  • the projectors constantly move away from the cloud of coating product not deposited on the body (sometimes called “overspray”). Indeed, the projectors 16 are moving upward while said “overspray” is driven down the body. This avoids soiling the projectors 16 and the beam 15, which facilitates maintenance of the installation.
  • the body 1 has been rotated about a vertical axis of about 90 ° in the opposite trigonometric direction by means of the turret 2b. In this way, and by movements identical to those explained with reference to FIGS. 1 and 2, the left 1e and right 1d faces of the body can be coated by the projectors 16.
  • the beam is shown in a high position for coating the roof 1c of the body. This coating could also take place with the bodywork placed in the position of FIGS. 1 and 2.
  • the right side 1d of the bodywork is first coated from bottom to top for the reasons of soiling mentioned above.
  • the left side 1e and the roof 1c are then coated.
  • the five faces 1a to 1e of the bodywork other than the underside are coated by the roof machine alone.
  • the uniformity of appearance is improved since a single supply of coating product is used for the roof machine, instead of the separate supplies usually used for side machines and roof machines.
  • the body 1 Before leaving the coating installation, the body 1 may possibly undergo a second rotation of 90 ° in opposite direction of the first by means of the turret 2b in order to be returned to its initial position for the rest of the manufacturing process.
  • the invention has been described with rotary sprayers of powdery product, but it can be implemented with any type of sprayer of liquid or powdery coating product.

Landscapes

  • Spray Control Apparatus (AREA)
  • Coating Apparatus (AREA)
EP95410006A 1994-02-02 1995-01-30 Verfahren und Anlage zum Spritzen von Beschichtungsprodukten Expired - Lifetime EP0666112B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9401320A FR2715586B1 (fr) 1994-02-02 1994-02-02 Procédé et installation de projection de revêtement.
FR9401320 1994-02-02

Publications (2)

Publication Number Publication Date
EP0666112A1 true EP0666112A1 (de) 1995-08-09
EP0666112B1 EP0666112B1 (de) 1997-12-17

Family

ID=9459827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95410006A Expired - Lifetime EP0666112B1 (de) 1994-02-02 1995-01-30 Verfahren und Anlage zum Spritzen von Beschichtungsprodukten

Country Status (4)

Country Link
EP (1) EP0666112B1 (de)
DE (1) DE69501217T2 (de)
ES (1) ES2110821T3 (de)
FR (1) FR2715586B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148220A (zh) * 2014-08-15 2014-11-19 京东方科技集团股份有限公司 一种喷涂系统
CN106622786A (zh) * 2017-03-03 2017-05-10 东莞市毅华自动化科技有限公司 一种自动喷油机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430531A1 (de) * 1984-08-18 1986-02-27 Hermann Behr & Sohn Gmbh & Co, 7121 Ingersheim Verfahren und vorrichtung zur oberflaechenbearbeitung
GB2190312A (en) * 1986-04-01 1987-11-18 Honda Motor Co Ltd Painting vehicle bodies

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430531A1 (de) * 1984-08-18 1986-02-27 Hermann Behr & Sohn Gmbh & Co, 7121 Ingersheim Verfahren und vorrichtung zur oberflaechenbearbeitung
GB2190312A (en) * 1986-04-01 1987-11-18 Honda Motor Co Ltd Painting vehicle bodies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148220A (zh) * 2014-08-15 2014-11-19 京东方科技集团股份有限公司 一种喷涂系统
CN106622786A (zh) * 2017-03-03 2017-05-10 东莞市毅华自动化科技有限公司 一种自动喷油机

Also Published As

Publication number Publication date
EP0666112B1 (de) 1997-12-17
FR2715586A1 (fr) 1995-08-04
DE69501217T2 (de) 1998-07-23
DE69501217D1 (de) 1998-01-29
ES2110821T3 (es) 1998-02-16
FR2715586B1 (fr) 1996-05-03

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