EP1153666B1 - Procédé et machine pour le revêtement de pièces en séries - Google Patents

Procédé et machine pour le revêtement de pièces en séries Download PDF

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Publication number
EP1153666B1
EP1153666B1 EP01111333A EP01111333A EP1153666B1 EP 1153666 B1 EP1153666 B1 EP 1153666B1 EP 01111333 A EP01111333 A EP 01111333A EP 01111333 A EP01111333 A EP 01111333A EP 1153666 B1 EP1153666 B1 EP 1153666B1
Authority
EP
European Patent Office
Prior art keywords
tool
air
atomising
coating machine
supply system
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.)
Expired - Lifetime
Application number
EP01111333A
Other languages
German (de)
English (en)
Other versions
EP1153666A3 (fr
EP1153666A2 (fr
Inventor
Frank Rupertus
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
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
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP1153666A2 publication Critical patent/EP1153666A2/fr
Publication of EP1153666A3 publication Critical patent/EP1153666A3/fr
Application granted granted Critical
Publication of EP1153666B1 publication Critical patent/EP1153666B1/fr
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
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1092—Means for supplying shaping gas

Definitions

  • the invention relates to a method and a coating machine for serial coating of workpieces such as in particular Vehicle bodies using atomizing tools, which are typically rotary or air atomizers can, as they have long been known and customary.
  • a coating machine is known from EP 0 850 693 A1 interchangeable atomizing tools known in which it components of various rotary atomizers and electrostatic air atomizer for coating each other Areas in particular of vehicle bodies.
  • the Atomizing tools contain depending on the type of atomization different color tube constructions when changing tools connected to the bell plate or to the air cap stay and with this one of the tools common Valve unit can be removed.
  • the Tools with the valve unit through a detachable screw connection connected.
  • the invention has for its object a method or a Specify coating machine that with little effort Coating all areas of workpieces with the most suitable one Allow tool.
  • the tool used can also be used against other tools such as B. gripper or especially exchanged measuring devices become.
  • a particular advantage of the invention is that Change from high-speed to air atomization, for example Ink delivery system does not need to be rinsed as it is complete remains in the machine and the same after the tool change Color performs as before.
  • the remaining one in the machine Color supply systems belong, for example, to typical paint atomizers the media-carrying valve unit and the usual Paint tube with the paint valve. Color changes are also easy as before possible without additional effort.
  • the invention is suitable inter alia. for conventional atomizers with a permanently installed supply system, e.g. to the usual external ring lines is connected and with a paint tube opens into or on the atomizing tool (e.g. DE 43 06 800 C2).
  • the invention is also suitable for new types Atomizers, in which the paint tube on replaceable paint cartridges or valve units is attached (EP 0 967 016 A1, EP 0 967 018 A1) or from one located in or near the atomizer, fed as a storage cylinder becomes.
  • the painting machine shown is a Robot, on the hand 1 of which the atomizer 2 is attached.
  • Fig. 1 is the atomizer as an electrostatic high-speed rotary atomizer trained, the atomizer bell 4 in the usual Way on a hollow shaft driven by an air turbine 5 6 is attached and with the turbine and the hollow shaft Unit 7 forms.
  • the unit 7 forms the atomizing tool here of the atomizer 2.
  • a supply system 8 for the liquid or, for example powder coating material of any color and for detergents or solvents.
  • the supply system 8 consists in essentially from the paint tube opening into the atomizer bell 4 9, a valve unit 10 for controlling the ink and solvent flow through the color tube 9 and connecting lines to Connection of the atomizer 2 to paint and solvent sources 12.
  • Additional lines connect the atomizer 2 to that for the electrostatic Coating required high voltage generator 14, a source 16 for compressed air and / or other gaseous Media in particular for driving the air turbine 5 and for the atomizing air as well as with a pneumatic control system 18 to control the valves.
  • a bracket structure 20 attached to the robot hand 1 serves on the one hand to permanently hold the valve unit 10 and its color tube 9 (or to hold interchangeable cartridges and / or valve units or a metering storage container) and on the other hand for the automatically releasable mounting of the the atomizing tool unit 7.
  • the detachable fastening the assembly 7 on the bracket structure 20 can for example with the help of a z. B. firmly with the paint tube 9th and / or the turbine 5 and thus another part cover 22 forming unit 7.
  • the cover 22 surrounds the hollow shaft 6, the paint tube 9 as shown and the valve unit 10 and is at the attachment points 23 mechanically locked to the bracket structure 20, wherein the part of the structural unit 7 containing the turbine 5 has a positive fit and stable on the valve unit 10 and / or the support structure 20 can support.
  • the mechanical locking of the unit 7 at the attachment points 23 is characterized by internal, e.g. pneumatic control and / or by external, but also automatically controllable Tool means releasable, so that the unit 7 by machine the support structure 20 removed and from the coating machine can be removed.
  • Fig. 2 shows the part with the bracket structure 20 and the Supply system 8 including paint tube 9, which when removing of the unit 7 forming the coating tool from the machine remains in this.
  • FIG. 3 shows the same coating machine according to Fig. 1, in the but now instead of the unit 7 an air atomization tool 25 is used so that it is instead of the rotary atomizer 2 is now an air atomizer 2 '.
  • the atomizing tool 25 consists essentially of that in air atomizers known and conventional air cap 26, for example in one piece on one of the cover 22 described in FIG. 1 similar Cover 22 'can be attached.
  • the atomizing tool 25 mechanically in with the help of the cover 22 ' the manner described at 23 with the bracket structure 20 locked automatically releasable.
  • the air cap 26 is here through the cover 22 'and a support structure attached to it 28, e.g. on the two atomizer types common supply system 8 supports in the for air atomization required position at the mouth of the paint tube 9 fixed.
  • the atomizing air can expediently via a (not shown) Connection to the hose line leading to the source 16 are supplied so that the motor air of the high-speed atomizer 1 now used as atomizing air becomes.
  • the horn air common for air atomization those to more or less narrow the spray cone and to adapt the spray jet shape to the paint to be painted Workpiece is used by connecting to the hose line that the high-speed rotary atomizer the required there Steering air supplies. For automatic connection of the rotation or
  • Air atomizing tools to the sources of air, coating material and solvents are releasable line couplings intended.
  • the surfaces to be painted are first divided into two Areas or groups divided by rotary atomization or air atomization should be coated.
  • the outer surfaces of a body become electrostatic painted with the high-speed sputtering tool according to FIG. 1.
  • the high voltage is lowered and the robot moves in a position where automatically locking at the attachment points 23 solved and the unit 7 of the rotary atomizer 2 including cover 22 from the coating machine is taken out.
  • the unit 7 of the rotary atomizer 2 including cover 22 from the coating machine is taken out.
  • the unit 7 of the rotary atomizer 2 including cover 22 from the coating machine is taken out.
  • the unit 7 of the rotary atomizer 2 including cover 22 from the coating machine is taken out.
  • the unit 7 is now also automatically the air atomizing tool 25 according to Fig.
  • Robots are moved to a location on the coating system where he discards the previously used atomizing tool and instead grips tools to be used, such as a tool magazine extracts.
  • the coating sequence described could of course be also be the other way around. There is also the option of coating a workpiece with the atomizing tool a first type this against a coating tool another type and then another workpiece to coat.
  • one of the interchangeable atomizing tools can use an air atomizer in one works in a known manner with electrostatic support, for example with one that charges the rinsed material Electrode.
  • atomizing tool replace with a measuring device or a measuring head with which z.
  • a measuring device or a measuring head with which z.
  • parameters of coating quality such as Layer thickness, waviness, hue, color gloss, etc. measured can be. Based on the measurement result, you can immediately possible coating errors are corrected, even in the closed Control loop. Appropriate procedures for this are per se known (DE 197 17 593, DE 100 36 741).
  • Robot also another, preferably as a multi-axis automatic machine trained coating machine can be used.
  • the entire procedure can be conveniently stored Program can be controlled.

Landscapes

  • Spray Control Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Claims (17)

  1. Procédé de revêtement en série de pièces telles qu'en particulier des carrosseries de véhicule, au moyen d'une machine de revêtement dans laquelle le matériau de revêtement sort de l'ouverture d'un système de conduites d'arrivée (8) dans un outil de pulvérisation (7, 25) et est pulvérisé par l'outil, le système de conduites d'arrivée (8) contenant une structure de tubes à peinture (9) menant d'une unité de soupape (10) à l'outil de pulvérisation (7, 25), et
    une première zone de la pièce étant revêtue par utilisation d'un premier outil de pulvérisation (7) ;
    cet outil (7) sans le système de conduites d'arrivée (8) ni sa structure de tubes à peinture (9), est ensuite retiré de la machine de revêtement, et est échangé contre un deuxième outil de pulvérisation (25) qui diffère du premier outil (7) par le type de pulvérisation ;
    et ensuite une autre zone de la même pièce ou d'une autre pièce est revêtue par utilisation du deuxième outil (25).
  2. Procédé selon la revendication 1, caractérisé en ce qu'un outil (7) est ou contient une cloche de pulvérisateur (4) rotative et l'autre outil (25) sert à la pulvérisation d'air.
  3. Procédé selon la revendication 2, caractérisé en ce que lors de l'échange d'outil, la cloche de pulvérisateur (4) est retirée avec son moteur d'entraínement (5) de la machine de revêtement ou est insérée dans la machine.
  4. Procédé selon la revendication 3, caractérisé en ce que la cloche de pulvérisateur (4) est enlevée ou insérée avec un capot (22) enfermant au moins la zone d'ouverture du système de conduites d'arrivée (8) et le moteur d'entraínement (5).
  5. Procédé selon l'une des revendications 2 à 4, caractérisé en ce qu'à l'échange d'outil, un capuchon à air (26) servant à la pulvérisation d'air est enlevé de la machine de revêtement ou inséré dans la machine avec un capot (22') relié au capuchon, enfermant au moins la zone d'ouverture du système de conduires d'arrivée (8).
  6. Procédé selon l'une des revendications 2 à 5, caractérisé en ce que des surfaces extérieures d'une carrosserie de véhicule à recouvrir sont revêtues électrostatiquement par pulvérisation à rotation rapide, par un robot ou d'autres automates mobile à plusieurs axes, et en ce que le même robot ou automate mobile recouvre des surfaces du volume intérieur et/ou des zones de détail particulières de la carrosserie au moyen de l'outil de pulvérisation d'air (25).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'on utilise comme l'un des outils de pulvérisation, un outil fonctionnant avec pulvérisation d'air assistée électrostatiquement.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'outil de pulvérisation est échangé contre un outil servant d'appareil de mesure.
  9. Procédé selon la revendication 8, caractérisé en ce qu'on mesure au moyen de l'appareil de mesure un ou plusieurs paramètres de qualité du revêtement de la surface de la pièce recouverte auparavant.
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'outil est échangé automatiquement.
  11. Machine de revêtement pour le revêtement en série de pièces telles qu'en particulier des carrosseries de véhicule, comportant un outil de pulvérisation (7, 25) dans ou sur lequel débouche un système de conduites d'arrivée (8) pour le matériau de revêtement, lequel contient une structure de tubes à peinture (9) menant d'une unité de soupape (10) à l'outil de pulvérisation (25) et formant l'ouverture du système de conduite d'arrivée, l'outil de pulvérisation formant une unité structurelle séparée du système de conduites d'arrivée, et comportant un support (20) pour l'outil de pulvérisation (7, 25), fixé à la machine de revêtement, des outils de pulvérisation (7, 25), conçus différemment suivant le type de pulvérisation, pouvant être reliés, de manière interchangeable, au support (20) et au système de conduites d'arrivée (8), caractérisée en ce que l'outil de pulvérisation (7, 25) est relié ou peut être relié au support (20) par un verrouillage (23) pouvant être supprimé automatiquement, et peut être séparé automatiquement de l'embouchure du système de conduites d'arrivée (8).
  12. Machine de revêtement selon la revendication 11, caractérisée en ce que l'on peut monter en option sur le support (20) et de manière interchangeable, une unité structurelle (7) avec une cloche de pulvérisateur rotatif (4) et un outil de pulvérisation d'air (25) avec un capuchon à air (26).
  13. Machine de revêtement selon la revendication 12, caractérisée en ce que la cloche de pulvérisateur rotatif (4) et son moteur d'entraínement (5) forment l'unité structurelle (7) pouvant être enlevée de la machine de revêtement.
  14. Machine de revêtement selon la revendication 12 ou 13, caractérisée en ce que la cloche de pulvérisateur rotatif (4) et/ou le capuchon à air (26) sont reliés chacun à une enveloppe de recouvrement (22, 22') et peuvent être enlevés avec celle-ci de la machine de revêtement.
  15. Machine de revêtement selon la revendication 14, caractérisée en ce que la cloche de pulvérisateur rotatif (4) et/ou le capuchon à air (26) peuvent être fixés à la machine de revêtement, à l'aide de leur enveloppe de recouvrement (22, 22').
  16. Machine de revêtement selon l'une des revendications 12 à 15, caractérisé en ce que le moteur d'entraínement de la cloche de pulvérisateur (4) est une turbine à air (5), en ce que des conduites du moteur et/ou d'air de guidage, prévues pour la pulvérisation à rotation rapide, fournissent, lorsque l'outil de pulvérisation d'air (25) est mis en place, son air de pulvérisation et/ou air de cornes, et en ce que des accouplements de conduite pour le raccordement automatique de l'outil de pulvérisation (7, 25) échangeable, sont prévus pour des sources d'air et de matériau de revêtement (16, 12) du système de conduites d'arrivée (8).
  17. Machine de revêtement selon l'une des revendications 11 à 16, caractérisée en ce que le support (20) est fixé à la main (1) d'un robot à peindre.
EP01111333A 2000-05-10 2001-05-09 Procédé et machine pour le revêtement de pièces en séries Expired - Lifetime EP1153666B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10022854A DE10022854A1 (de) 2000-05-10 2000-05-10 Verfahren und Beschichtungsmaschine zur Serienbeschichtung von Werkstücken
DE10022854 2000-05-10

Publications (3)

Publication Number Publication Date
EP1153666A2 EP1153666A2 (fr) 2001-11-14
EP1153666A3 EP1153666A3 (fr) 2003-01-02
EP1153666B1 true EP1153666B1 (fr) 2004-07-28

Family

ID=7641501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01111333A Expired - Lifetime EP1153666B1 (fr) 2000-05-10 2001-05-09 Procédé et machine pour le revêtement de pièces en séries

Country Status (4)

Country Link
EP (1) EP1153666B1 (fr)
AT (1) ATE271926T1 (fr)
DE (2) DE10022854A1 (fr)
ES (1) ES2223680T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108010A1 (de) 2001-02-20 2002-08-29 Duerr Systems Gmbh Sprühvorrichtung mit mindestens einer Trennstelle
DE102007012878B3 (de) * 2007-03-17 2008-10-30 Apson Lackiertechnik Gmbh Zerstäuber zum Zerstäuben eines Beschichtungsmittels
EP3081314A1 (fr) * 2015-04-16 2016-10-19 Eftec Europe Holding AG Dispositif d'application de fluides
WO2018020755A1 (fr) 2016-07-28 2018-02-01 株式会社日立システムズ Tête d'atomisation rotative, système de gestion de tête d'atomisation rotative et procédé de gestion de tête d'atomisation rotative
DE102016121637A1 (de) * 2016-11-11 2018-05-17 Eisenmann Se Applikator für einen Applikationsroboter und Applikationssystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448392A1 (fr) * 1979-02-12 1980-09-05 Vilbiss Toussaint De Dispositif automatique pour la projection de produits de revetement
JPH0195269U (fr) * 1987-12-18 1989-06-23
DE4306800C2 (de) 1993-03-04 1998-07-02 Duerr Gmbh & Co Beschichtungsvorrichtung mit einem Rotationszerstäuber
DE69722155T2 (de) * 1996-07-18 2004-05-13 Abb K.K. Farbspritzvorrichtung
DE19717593A1 (de) 1997-04-25 1998-10-29 Duerr Systems Gmbh Meßsystem zur Beurteilung der Oberflächenqualität
EP0967018B1 (fr) 1998-01-13 2004-11-17 Abb K.K. Dispositif de revetement de type tete de pulverisation rotative
CA2282591C (fr) 1998-01-13 2002-08-13 Abb K.K. Systeme de revetement a type tete de pulverisation rotative
JP2001205143A (ja) * 2000-01-26 2001-07-31 Ransburg Ind Kk ２つのタイプに使い分けることのできる静電塗装機及びその方法
DE10036741A1 (de) 2000-07-27 2002-02-07 Duerr Systems Gmbh Verfahren und Kontrollsystem zur Kontrolle der Beschichtungsqualität von Werkstücken

Also Published As

Publication number Publication date
ATE271926T1 (de) 2004-08-15
ES2223680T3 (es) 2005-03-01
EP1153666A3 (fr) 2003-01-02
DE50102960D1 (de) 2004-09-02
EP1153666A2 (fr) 2001-11-14
DE10022854A1 (de) 2001-11-15

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