WO1994022590A1 - Machine de projection de produit de revetement - Google Patents
Machine de projection de produit de revetement Download PDFInfo
- Publication number
- WO1994022590A1 WO1994022590A1 PCT/FR1994/000364 FR9400364W WO9422590A1 WO 1994022590 A1 WO1994022590 A1 WO 1994022590A1 FR 9400364 W FR9400364 W FR 9400364W WO 9422590 A1 WO9422590 A1 WO 9422590A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coating product
- sprayer
- reservoir
- coating
- spraying machine
- Prior art date
Links
Classifications
-
- 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
- B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
-
- 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
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1608—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive
- B05B5/1616—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material
- B05B5/1625—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material the insulating means comprising an intermediate container alternately connected to the grounded material source for filling, and then disconnected and electrically insulated therefrom
Definitions
- the invention relates to a machine for spraying coating product by electrostatic means onto objects such as motor vehicle bodies.
- the bodies are moved by a conveyor and the coating product projection installation generally comprises several machines called “side machines” intended to coat the sides of the bodies and a machine called “roof machine” comprising a horizontal beam perpendicular to the path of the bodies and intended to coat the horizontal surfaces such as the hood, the roof and the trunk of the bodies.
- Each side machine carries an automatic sprayer, of the pneumatic or rotary type and the "roof machine” generally carries three sprayers of the same type.
- patent FR 2 609 252 the Applicant has proposed a coating product spraying machine constituted by a multi-axis robot carrying a reservoir and an associated sprayer. During the spraying phases, the tank is only in communication with the associated sprayer. When it is necessary to clean and fill the tank, the multi-axis robot approaches a fixed station installation located in the cabin and connects the tank to the appropriate fluid circulation circuits, using quick connection means.
- a coating product spraying machine of the type carrying at least one sprayer and an on-board tank near said sprayer, characterized in that it further carries a coating product change block on-board on a subassembly mobile of said machine also carrying said sprayer and said reservoir.
- coating product change block means the unit known per se which makes it possible to clean and fill the on-board tank with a determined color.
- This unit therefore comprises valves connected to coating product supply pipes, to a solvent supply pipe and to an air supply pipe.
- This construction makes it possible to preserve the advantages of the system described in patent FR 2 609 252, while limiting the dead times since it is no longer necessary to move a certain distance, the reservoir towards the block for changing the coating product. .
- the latter is carried by the machine near the tank, whether it is a "side machine", a "roof machine” or even a multi-axis robot.
- the quantities of coating product engaged downstream of the coating product change block are optimized. In fact, at each filling operation, the reservoir receives only the quantity necessary for coating an object and the volume of coating product lost at each change of color is thus minimized.
- the coating product change block is movable between a position where it is connected to the reservoir and a position where it is isolated.
- This configuration is particularly suitable in the case of the use of conductive coating products such as water-soluble paints.
- conductive coating products such as water-soluble paints.
- the connection between the reservoir and the coating product change block allows such insulation. It suffices to provide a sufficient distance between the reservoir and the coating product change block during the coating phases where they must be isolated from each other. This distance then makes it possible to produce electrical insulation in addition to the desired fluid insulation.
- the assembly carrying the reservoir and the sprayer is mobile.
- FIG. 1 is an elevational view of a "side machine" for spraying coating product according to
- FIG. 3 is a sectional view of the beam of a second embodiment of a "roof machine” for spraying coating product according to the invention.
- FIG. 4 is a sectional view of the beam of a third embodiment of a "roof machine” for spraying coating product according to the invention.
- the lateral machine 1 represented in FIG. 1 mainly comprises a chassis 2 inside of which is vertically movable a carriage 3 carrying an arm 4. The drive and guide means of the carriage have not been shown so as not to overload the drawing.
- the support 5 can pivot relative to the arm 4 around an axis x.
- the air turbine 7 is compact, so that the distance between the reservoir 6 and the edge of the bowl-shaped spraying member is less than 200 mm, for example of the order of 150 mm.
- the arm 4 carries a coating product change block 9, attached to the lower part of said arm and supplied with coating product, air and solvent by a bundle of flexible conduits 10.
- a high voltage unit 11, adjustable or interruptible, is installed in the carriage and connected by a high voltage wire to the sprayer.
- the outlet of the coating product change block 9 is equipped with quick connection means 12 capable of cooperating with complementary quick connection means 13 carried by the support 5.
- the complementary quick connection means communicate with the reservoir 6.
- the coating product change block 9 is adapted to slide along the arm 4, while being actuated by a jack 14.
- the reservoir 6 supplies the spray bowl with coating product while it is disconnected from the coating product change block 9.
- the reservoir piston is actuated by compressed air. Under these conditions, it is possible to apply high voltage to the sprayer 8 and to the tank 6 which are isolated from the ground, even if the coating product is conductive.
- the support 5 undergoes a rotational movement in the direction of the arrow R, which tends to direct the sprayer 8 downwards.
- the coating product change block 9 undergoes a translation in the direction of the support 5, in the direction of the arrow T, under the action of the jack 14. These two movements have the effect of connecting the outlet of the block 9 to the reservoir 6 by connection of the quick connection means 12 and 13. These operations take place at the end of the coating phase while the arm 4 is in motion. In other words, it is not necessary to move the tank 6 and the sprayer 8 to any location before starting the cleaning and filling actions.
- the first operation consists in circulating in the tank 6 and in the sprayer 8 a solvent to clean the residues of the previous cleaning product.
- the volume to be cleaned is small because the conduits between the coating product change block and the reservoir on the one hand and between the reservoir and the sprayer on the other hand are short because of the proximity of these different elements and also because of the compactness of the turbine 7.
- the sprayer 8 being directed downwards, the solvent which passes through it can be poured into a grating 20 or any other suitable recovery device generally located near the cabin floor. It is then possible to fill the reservoir 6 with the amount of paint necessary for coating the next object.
- FIG. 2 shows the beam 50 of a "roof machine”.
- the reservoir 56 and the sprayer 58 are housed in a support 52 projecting downwards outside the body 53 of the beam. This support is movable in translation parallel to the axis 54 of the beam by means of a jack 55 carried by the latter. It is thus possible to control sweeping movements of the sprayer 58 in order to obtain a uniform surface condition.
- a coating product change block 59 supplied by a bundle of flexible conduits 60 for supplying coating products, solvent and compressed air, is housed inside the beam during the coating phases. which prevents it from disturbing the air flow around the beam or from being soiled by drops of coating product.
- the coating product change block 59 is further mounted vertically movable along a path close to an extreme position of the support 52. It is moved under the action of a jack 58 carried by the beam. Under the action of this jack, the block for changing the coating product leaves the body 53 of the beam and lowers until it comes to bear against a surface 57 of the support 52 when it is in contact with the support. in said extreme position.
- Complementary quick connection means, 61 and 62 are respectively mounted at the outlet of the coating product change block 59 and on the docking surface 57.
- the connection means 62 communicate with the reservoir 56.
- the quick connection means 61 and 62 are coupled.
- the operation is of the same type as that described with reference to FIG. 1.
- the distance between the connection means 61 and 62 makes it possible to avoid the formation of electric arcs between the block for changing the coating product connected to earth and all the elements included in the support 52, which are at high voltage.
- the high-voltage supply is interrupted and the coating product change block is connected to the reservoir 56 by means of quick connection means 61 and 62.
- the body 103 of the beam 100 contains both a coating product change block 109, a high-voltage unit 121, a tank 106, a sprayer 108 and a supply beam 110 products connected to supply the coating product change block.
- a flexible conduit 107 housed in an insulating unwinder 108 connects the coating product change block 109 to the reservoir 106.
- An electrical and fluid separator 105 is interposed between the conduit 107 and the reservoir 106, near the latter. In the coating phase, the separator is open and the high voltage applied to the sprayer 108 does not risk creeping up to the coating product change block 109.
- the high voltage is cut and the separator 105 is closed, which allows the flow of rinse aid and then coating product from the block change of coating product to the intermediate tank 106.
- the body 153 of the beam 150 contains at the same time a coating product change block 159, fixed, a high voltage unit 171, a tank 156, a sprayer 158, a beam of product feed 160 connected to the coating product change block 159. Downstream of the latter, a cleaning-filling unit is installed 151.
- the sprayer 158 is mounted at the end of an insulating support 152 containing a reservoir 156. The support is movable in vertical translation, that is to say perpendicular to the axis 154 of the beam, between a position low coating and a high cleaning-filling position of the tank 156.
- the support 152 is secured to a piston 162 movable in a cylinder 164 by means of two air inlets 165 and 166.
- the duct 166 opens into an upper closed chamber of the cylinder 164, one wall of which is formed by the piston 162.
- the conduit 165 opens into a lower annular chamber defined between the piston 162, the cylinder 164, the support 152 and a tight sliding seal 168.
- the assembly of the cylinder 164 and of the objects it contains is mobile under the action of a pneumatic cylinder 163 parallel to the axis 154 to allow the sweeping movements of the sprayer 158.
- An elbow fitting 173 is installed at the part upper of the cylinder 164.
- First quick connection means 174 actuated by the cylinder 163 are provided between the cleaning-filling unit and the fitting 173.
- Second quick connection means 175 are provided between the fitting 173 and the inlet of the tank 156.
- the operation is as follows.
- the support 152 is in the low position, the high voltage supplied by the high voltage unit 171 can be applied to the sprayer 158 by the cable 172, without danger of returning to earth or to the product change block. coating because the distance between the piston 162 and the cleaning-filling unit 151 is sufficient to allow electrical insulation.
- the cylinder 164 is moved parallel to the axis 154 by the jack 163 to operate the closing of the connection means 174 and connection to the cleaning-filling unit 165.
- the piston 162 is raised to operate the closing of the connection means 175.
- the unit 165, the tank 156 and the sprayer 158 are thus placed in communication for the cleaning and filling operations known to those skilled in the art.
- This configuration is particularly advantageous because it makes it possible to position the three sprayers carried by the beam of a "roof machine" at different and variable heights.
- it is advisable to raise the two side sprayers because of the wheel arches located on the sides of the vehicle while the central sprayer must be near the platform to ensure good surface condition.
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Spray Control Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002158571A CA2158571C (fr) | 1993-04-01 | 1994-03-31 | Machine de projection de produit de revetement |
US08/530,206 US5772125A (en) | 1993-04-01 | 1994-03-31 | Machine for spraying a coating material |
JP6521757A JPH08510407A (ja) | 1993-04-01 | 1994-03-31 | コーティング材料スプレイ装置 |
EP94912576A EP0691892B1 (fr) | 1993-04-01 | 1994-03-31 | Machine de projection de produit de revetement |
DE69429088T DE69429088T2 (de) | 1993-04-01 | 1994-03-31 | Farbspritzanlage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR93/03829 | 1993-04-01 | ||
FR9303829A FR2703266B1 (fr) | 1993-04-01 | 1993-04-01 | Machine de projection de produit de revêtement. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994022590A1 true WO1994022590A1 (fr) | 1994-10-13 |
Family
ID=9445631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1994/000364 WO1994022590A1 (fr) | 1993-04-01 | 1994-03-31 | Machine de projection de produit de revetement |
Country Status (8)
Country | Link |
---|---|
US (1) | US5772125A (fr) |
EP (1) | EP0691892B1 (fr) |
JP (1) | JPH08510407A (fr) |
CA (1) | CA2158571C (fr) |
DE (1) | DE69429088T2 (fr) |
ES (1) | ES2165388T3 (fr) |
FR (1) | FR2703266B1 (fr) |
WO (1) | WO1994022590A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997014505A1 (fr) * | 1995-10-20 | 1997-04-24 | Abb Flexible Automation A/S | Dispositif de regulation de debit de liquide pour systeme de peinture au pistolet |
DE19610588A1 (de) * | 1996-03-18 | 1997-09-25 | Duerr Gmbh & Co | Beschichtungsmaschine mit auswechselbarem Behälter |
FR2813538A1 (fr) * | 2000-09-05 | 2002-03-08 | Eisenmann France Sarl | Procede et dispositif pour le remplissage d'un reservoir de peinture, dans une installation automatisee de peinture |
EP2810719B1 (fr) | 2005-10-07 | 2018-06-20 | Dürr Systems AG | Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2731921B1 (fr) * | 1995-03-20 | 1997-04-30 | Sames Sa | Dispositif de projection electrostatique de produit de revetement |
JP3299205B2 (ja) * | 1998-12-18 | 2002-07-08 | エービービー株式会社 | 自動塗装方法及びその装置 |
FR2797788B1 (fr) | 1999-08-30 | 2001-11-23 | Sames Sa | Procede et station de changement de produit dans une installation de projection de produit de revetement |
US6945483B2 (en) | 2000-12-07 | 2005-09-20 | Fanuc Robotics North America, Inc. | Electrostatic painting apparatus with paint filling station and method for operating same |
DE60232875D1 (de) | 2001-05-16 | 2009-08-20 | Fanuc Robotics North America | Potentialtrennung und farbwechsler für einen ein wässriges beschichtungsmaterial versprühenden rotationszerstaüber |
DE10130173A1 (de) * | 2001-06-22 | 2003-01-02 | Duerr Systems Gmbh | Pulverbeschichtungsanlage |
AU2002365392A1 (en) | 2001-11-21 | 2003-06-10 | Fanuc Robotics North America, Inc. | Apparatus and method for filling a painting robot canister |
US20030175443A1 (en) * | 2002-03-14 | 2003-09-18 | Ghaffar Kazkaz | Method and apparatus for dispensing coating materials |
US7399363B2 (en) * | 2002-10-23 | 2008-07-15 | Fanuc Robotics America, Inc. | Robotic apparatus for painting |
US7056387B2 (en) * | 2003-12-10 | 2006-06-06 | Efc Systems, Inc. | Apparatus and method for electrostatic spraying of conductive coating materials |
EP1827706B1 (fr) * | 2004-09-23 | 2010-06-02 | Abb As | Dispositif de dosage de peinture et systeme pour un appareil d'application de peinture par pulverisation commande par programme |
DE102006053921B4 (de) * | 2006-11-15 | 2016-11-24 | Dürr Systems Ag | Lackiermaschine mit einem Zerstäuber und zugehöriges Betriebsverfahren |
FR2939335B1 (fr) * | 2008-12-09 | 2011-11-18 | Sames Technologies | Station et procede pour reapprovisionner en produit de revetement un projecteur mobile |
DE102010022309A1 (de) | 2010-06-01 | 2011-12-01 | Dürr Systems GmbH | Vorrichtung, Verfahren und System zur Aufnahme und/oder Abgabe von Entsorgungsmittel |
FR2977508B1 (fr) * | 2011-07-06 | 2013-08-16 | Sames Technologies | Station de nettoyage-remplissage pour moyens de projection |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0178746A1 (fr) * | 1984-10-17 | 1986-04-23 | Ransburg Corporation | Système dispensateur de matériaux de revêtement |
GB2166982A (en) * | 1984-11-05 | 1986-05-21 | Ransburg Uk Ltd | Automatic electrostatic spray coating |
EP0274322A1 (fr) * | 1987-01-02 | 1988-07-13 | Sames S.A. | Installation de projection de produit de revêtement tel que par exemple une peinture et notamment installation de projection électrostatique de peinture à base d'eau |
EP0450877A2 (fr) * | 1990-03-30 | 1991-10-09 | Nordson Corporation | Atomiseur rotatif avec dispositif de changement de couleur et régulateur de pression de fluide intégrés |
FR2679795A1 (fr) * | 1991-07-29 | 1993-02-05 | Sames Sa | Installation de projection de produit de revetement liquide. |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3301488A (en) * | 1965-08-19 | 1967-01-31 | Edward O Norris | Spray gun |
US3674207A (en) * | 1970-11-06 | 1972-07-04 | Emidio J Carbonetti Jr | Automated paint spray system |
FR2552345B1 (fr) * | 1983-09-27 | 1985-12-20 | Sames Sa | Appareillage de peinture electrostatique a pulverisateur pneumatique sur support mobile, reglable en fonctionnement |
JPS6211570A (ja) * | 1985-07-05 | 1987-01-20 | Honda Motor Co Ltd | 自動塗布装置 |
US4721630A (en) * | 1985-07-31 | 1988-01-26 | Honda Giken Kogyo Kabushiki Kaisha | Painting process for inner panel region of motorcar vehicle body and apparatus therefor |
JPH0195269U (fr) * | 1987-12-18 | 1989-06-23 | ||
JPH026868A (ja) * | 1988-06-25 | 1990-01-11 | Taikisha Ltd | 塗装ブースにおける塗装装置設置方法と塗装ブースの一部を構成する塗装機操作ユニット |
JPH03123653A (ja) * | 1989-10-05 | 1991-05-27 | Taikisha Ltd | 塗装装置 |
US5029755A (en) * | 1990-02-12 | 1991-07-09 | Motoman, Inc. | Paint color change system |
US5127363A (en) * | 1990-03-05 | 1992-07-07 | Kabushiki Kaisha Kobe Seiko Sho | Painting system for automobiles |
JPH04141262A (ja) * | 1990-09-28 | 1992-05-14 | Trinity Ind Corp | 自動塗装装置 |
GB9126033D0 (en) * | 1991-12-07 | 1992-02-05 | Eurotec Surface Coating Syst | Mounting apparatus for spray guns |
JPH05200333A (ja) * | 1992-01-27 | 1993-08-10 | Toyota Motor Corp | 自動塗装装置 |
-
1993
- 1993-04-01 FR FR9303829A patent/FR2703266B1/fr not_active Expired - Fee Related
-
1994
- 1994-03-31 US US08/530,206 patent/US5772125A/en not_active Expired - Fee Related
- 1994-03-31 JP JP6521757A patent/JPH08510407A/ja active Pending
- 1994-03-31 ES ES94912576T patent/ES2165388T3/es not_active Expired - Lifetime
- 1994-03-31 CA CA002158571A patent/CA2158571C/fr not_active Expired - Fee Related
- 1994-03-31 WO PCT/FR1994/000364 patent/WO1994022590A1/fr active IP Right Grant
- 1994-03-31 DE DE69429088T patent/DE69429088T2/de not_active Expired - Fee Related
- 1994-03-31 EP EP94912576A patent/EP0691892B1/fr not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0178746A1 (fr) * | 1984-10-17 | 1986-04-23 | Ransburg Corporation | Système dispensateur de matériaux de revêtement |
GB2166982A (en) * | 1984-11-05 | 1986-05-21 | Ransburg Uk Ltd | Automatic electrostatic spray coating |
EP0274322A1 (fr) * | 1987-01-02 | 1988-07-13 | Sames S.A. | Installation de projection de produit de revêtement tel que par exemple une peinture et notamment installation de projection électrostatique de peinture à base d'eau |
EP0450877A2 (fr) * | 1990-03-30 | 1991-10-09 | Nordson Corporation | Atomiseur rotatif avec dispositif de changement de couleur et régulateur de pression de fluide intégrés |
FR2679795A1 (fr) * | 1991-07-29 | 1993-02-05 | Sames Sa | Installation de projection de produit de revetement liquide. |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997014505A1 (fr) * | 1995-10-20 | 1997-04-24 | Abb Flexible Automation A/S | Dispositif de regulation de debit de liquide pour systeme de peinture au pistolet |
DE19610588A1 (de) * | 1996-03-18 | 1997-09-25 | Duerr Gmbh & Co | Beschichtungsmaschine mit auswechselbarem Behälter |
DE19610588B4 (de) * | 1996-03-18 | 2010-08-05 | Dürr Systems GmbH | Beschichtungsmaschine mit auswechselbarem Behälter |
FR2813538A1 (fr) * | 2000-09-05 | 2002-03-08 | Eisenmann France Sarl | Procede et dispositif pour le remplissage d'un reservoir de peinture, dans une installation automatisee de peinture |
WO2002020173A1 (fr) * | 2000-09-05 | 2002-03-14 | Eisenmann France Sarl | Procede et dispositif pour le remplissage d'un reservoir de peinture, dans une installation automatisee de peinture |
US6896010B2 (en) | 2000-09-05 | 2005-05-24 | Eisenmann France Sarl | Method and device for filling a paint reservoir in an automated painting installation |
EP2810719B1 (fr) | 2005-10-07 | 2018-06-20 | Dürr Systems AG | Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement |
Also Published As
Publication number | Publication date |
---|---|
JPH08510407A (ja) | 1996-11-05 |
EP0691892B1 (fr) | 2001-11-14 |
DE69429088D1 (de) | 2001-12-20 |
EP0691892A1 (fr) | 1996-01-17 |
DE69429088T2 (de) | 2002-07-11 |
ES2165388T3 (es) | 2002-03-16 |
FR2703266A1 (fr) | 1994-10-07 |
FR2703266B1 (fr) | 1995-06-23 |
CA2158571C (fr) | 1999-08-31 |
CA2158571A1 (fr) | 1994-10-13 |
US5772125A (en) | 1998-06-30 |
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