WO1999052644A1 - Procede et installation de projection de produit de revetement au moyen d'un automate equipe d'un reservoir - Google Patents
Procede et installation de projection de produit de revetement au moyen d'un automate equipe d'un reservoir Download PDFInfo
- Publication number
- WO1999052644A1 WO1999052644A1 PCT/FR1999/000832 FR9900832W WO9952644A1 WO 1999052644 A1 WO1999052644 A1 WO 1999052644A1 FR 9900832 W FR9900832 W FR 9900832W WO 9952644 A1 WO9952644 A1 WO 9952644A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coating product
- coating
- product
- cleaning
- reservoir
- 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
- 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
-
- 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
Definitions
- the invention relates to a method and an installation for spraying coating product.
- Document EP-A-0 274 322 discloses an installation in which the multi-axis robot carries a coating product reservoir connected to the projector and allowing it to be supplied with coating product during the projection phases. This installation makes it possible to solve problems of electrical insulation between the coating product, in particular conductive, brought to high voltage during the projection phases and the coating product supply systems which must be kept to the ground for reasons of security.
- means are provided for cleaning and filling with new coating product for a new object arriving at the level of the robot, which comprise ducts for circulation of coating product provided with means for rapid connection to additional means provided on the robot.
- the invention relates to a method of spraying coating product by means of at least one automat able to move at least one projector opposite objects to be coated, this automat carrying a reservoir of coating product connected to the headlamp, this tank being periodically cleaned and filled with new coating product in a cleaning-filling station, characterized in that it consists in supplying this cleaning-filling station by means of circulation circuits for coating product, for the coating products most often used by said projector, and to supply this station directly from product storage tanks for the least frequently used coating products, a tank to be connected to this cleaning-filling station being selectively moved to a connection position at this station, depending on the type of product of rev ment intended for spraying phase with a coating material among the less frequently used.
- the invention also relates to an installation making it possible to implement the method as described above and, more specifically, an installation comprising at least one automatic device capable of moving at least one projector opposite objects to be coated, this automatic device carrying a tank.
- said cleaning-filling station includes a coating product changing unit connected to coating product supply circuits and provided with second removable connection means with corresponding means carried by at least one tank among several product storage tanks coating.
- the installation also comprises means for moving the storage tanks near the cleaning-filling station, these means being capable of bringing a predetermined tank opposite the second means of connection.
- the storage tanks each to carry an identification code while the displacement means are equipped with a member for reading this code.
- the first connection means and the second connection means are arranged on two opposite sides of the coating product change unit. This aspect of the invention avoids any interference between the arm of the robot or automaton during movement, in particular when it approaches the cleaning-filling station, and the storage tanks for coating product.
- the coating product storage tanks are each 4 provided with connection means capable of cooperating with the second connection means of the coating product change unit.
- connection means capable of cooperating with the second connection means of the coating product change unit.
- these different connection means are of the quick coupling type.
- the storage tanks comprise a disposable envelope pre-filled with coating product. In this case, provision can be made for each disposable envelope to carry at least one removable identification label capable of being affixed to an external shell of one of the storage tanks.
- FIG. 1 is a schematic representation of an installation according to the invention during a paint spraying cycle
- - Figure 2 is a view similar to Figure 1 while the robot is in a cleaning-filling position of a tank which it carries and
- FIG. 3 is a perspective view of certain components of the cleaning-filling station used with the installation of Figures 1 and 2 and the end of the arm of a multi-axis robot during a movement d approach to this station.
- an automaton or robot 1 is arranged near a conveyor 2 transporting objects to be coated 3, in this case the bodies of motor vehicles.
- the robot 1 is of the multi-axis type and comprises a chassis 4 movable on a guide 5 extending parallel to the conveying direction.
- An arm 6 is supported by the chassis 4 and comprises several segments 6a., 6b and 6ç_ articulated with respect to each other.
- the chassis 4 also consists of two parts 4a_ and 4b articulated with respect to each other around a substantially vertical axis.
- the segment 6ç_ of the arm 6 contains a reservoir 10 of 5 coating product connected to a projector 11 which can be of any known type, in particular pneumatic or rotary, possibly electrostatic.
- the internal arrangement of the reservoir 10 can be in accordance with the technical teaching of EP-A-0 587 467.
- a duct 13 for supplying air and electric current from a source 14 is pressed against the chassis 5 and arm 6 of robot 1.
- the latter can be directed towards a cleaning-filling station 20 provided for purging the reservoir 10 of the product residue of coating used for the previous bodywork 3, and fill this reservoir with the product provided for the bodywork 3 'which is generally different from that used for the bodywork 3.
- the station 20 comprises a unit for changing the coating product 21 which is provided with first connection means 22 able to cooperate with corresponding connection means 12 provided on the segment 6ç_ of the arm 6 of the robot, near the tank 10.
- the unit 21 is supplied with coating products by conduits 23, the number of which depends on the number of standard colors used in the installation. These conduits 23 belong to circuits for supplying coating products which are connected to storage tanks, not shown and of large capacity, for each of the products most used in the station by the projector 11 or the equivalent projectors of the others. robots.
- a conduit 24 is also provided to be connected to a supply circuit for cleaning product, for example a solvent.
- a conduit 25 is connected to a source of pressurized air not shown.
- the cleaning-filling operations are carried out thanks to the unit 21 which injects, into the tank 10, the cleaning product coming from the pipe 24 possibly associated with air coming from the pipe 25, the mixture obtained in the tank 10 being directed to a purge 30.
- a product from a conduit 23 is introduced into the reservoir 10, 6 in a quantity suitable for coating a bodywork 3, through the unit 21.
- connection means 26 and 42 are of the quick coupling type, just like the connection means 12 and 22.
- connection means 26 are movable so as to move to a position of cooperation with the connection means 42 of the tank 40 '.
- the connection of the means 26 and 42 makes it possible to supply the reservoir 10 with a special shade through the unit 21 and the connection means 12 and 22.
- the disconnection of the connection means 26 and 42 can take place and the carousel can be set in motion to bring another tank opposite the unit 21 according to forecasts of need for coating product of special color. It is understood that the reservoirs 40 are used for the less common shades, the number of these reservoirs being able to be very large depending on the size and the number of locations of the carousel 41.
- the carousel 41 is equipped with a reader 43 capable of recognizing an identification code 44 placed on each tank 40.
- This reader 43 is connected to a unit 50 for controlling all of the elements of the station 20, in particular of the unit 21 and of the carousel 41.
- the movement of the carousel 41 can be controlled by the unit 50, inter alia as a function of the information transmitted by the reader 43.
- the first connection means 22 of the unit 21 are arranged on a face 21a, called the front face, of the unit 21 while the second connection means 26 are arranged on a face 21b, called the rear face, opposite on the front side.
- the segment 6ç_ of the arm 6 of the robot 1 moves as close to the unit 21 on the side of the face 21a.
- the tanks 40 are held on the side of the face 21b. Any risk of interference between the robot 1 and the carousel 41 is thus eliminated.
- the reservoirs 40 may each comprise a flexible envelope produced in the form of a plastic bag.
- Each plastic bag can be prefilled by the supplier of coating products in an appropriate production site, each bag being introduced into a rigid or semi-rigid shell forming the outer envelope of a tank 40.
- each bag is introduced into a rigid or semi-rigid shell forming the outer envelope of a tank 40.
- each plastic bag carries two labels identifying the product it contains.
- One of the labels is fixed on the plastic bag in a removable manner so that it can be affixed to the shell of the reservoir 40 into which the disposable bag is introduced.
- This label 40 allows the identification of the coating product contained in the disposable envelope inside a tank thanks to the reader 43. 8
- Each reservoir 40 can comprise a compression piston of the flexible pocket which it contains in order to eject the coating product towards the unit 21.
- a piston system it is also possible to use, for the reservoir 40, a system with pressurization of the external shell and deformation of the flexible pocket which it contains according to the principle of a pressure pot.
- tanks 40 can be envisaged. They may in particular be rigid boxes, for example metal boxes, which are rinsed in another part of the installation for subsequent filling for new use.
- the tanks 40 can be loaded into the carousel 41 according to any arrangement, the carousel being able to approach the tank 40 provided for a subsequent filling phase of the tank 10 during a spraying operation during which the robot is in the position of figure 1.
- the invention has been described with a carousel 41 which makes it possible to connect a tank 40 'to unit 41. It would however be possible to provide that the carousel and the connection means are such that several tanks can be connected in parallel and concomitantly with the unit 21, which makes it possible to increase the flow rate of coating product passing between these reservoirs and the reservoir carried by the robot, therefore to decrease the time for changing the coating product.
- the invention has been represented with a robot of the multi-axis type, but it is applicable with all types of automata which carry a reservoir connected to a sprayer of coating product.
- machines of the "reciprocating" type can be used with the invention.
Landscapes
- Spray Control Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99913377A EP1071518B1 (fr) | 1998-04-15 | 1999-04-09 | Procede et installation de projection de produit de revetement au moyen d'un automate equipe d'un reservoir |
DE69920199T DE69920199T2 (de) | 1998-04-15 | 1999-04-09 | Verfahren und anlage zum spritzen von beschichtungsmitteln mittels einem von einem behälter ausgerüsteten automaten |
AU31520/99A AU3152099A (en) | 1998-04-15 | 1999-04-09 | Method and installation for spraying a coating product using an automaton equipped with a reservoir |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98/04934 | 1998-04-15 | ||
FR9804934A FR2777482B1 (fr) | 1998-04-15 | 1998-04-15 | Procede et installation de projection de produit de revetement au moyen d'un automate equipe d'un reservoir |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999052644A1 true WO1999052644A1 (fr) | 1999-10-21 |
Family
ID=9525456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/000832 WO1999052644A1 (fr) | 1998-04-15 | 1999-04-09 | Procede et installation de projection de produit de revetement au moyen d'un automate equipe d'un reservoir |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1071518B1 (fr) |
AU (1) | AU3152099A (fr) |
DE (1) | DE69920199T2 (fr) |
ES (1) | ES2226365T3 (fr) |
FR (1) | FR2777482B1 (fr) |
WO (1) | WO1999052644A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001051216A2 (fr) | 2000-01-14 | 2001-07-19 | Sames Technologies | Installation de projection de produit de revetement |
US6989176B2 (en) | 2000-10-19 | 2006-01-24 | Sames Technologies | Device and method for supplying atomizers, and spraying installation equipped with such a device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2819876B1 (fr) * | 2001-01-19 | 2003-02-28 | Eisenmann France Sarl | Module de bloc changeur de teinte pour installation de peinture |
EP1772194B1 (fr) * | 2005-10-07 | 2019-01-09 | Dürr Systems AG | Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement |
FR2939335B1 (fr) * | 2008-12-09 | 2011-11-18 | Sames Technologies | Station et procede pour reapprovisionner en produit de revetement un projecteur mobile |
FR2939333B1 (fr) * | 2008-12-09 | 2011-10-21 | Sames Technologies | Projecteur de produit de revetement et procede pour reapprovisionner un tel projecteur |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP0796665A2 (fr) * | 1996-03-18 | 1997-09-24 | Dürr Systems GmbH | Système et procédé d'alimentation en peinture d'une installation de revetment |
WO1998006503A1 (fr) * | 1996-08-10 | 1998-02-19 | Herberts Gesellschaft mit beschränkter Haftung | Procede et dispositif de mise en peinture |
-
1998
- 1998-04-15 FR FR9804934A patent/FR2777482B1/fr not_active Expired - Fee Related
-
1999
- 1999-04-09 DE DE69920199T patent/DE69920199T2/de not_active Expired - Lifetime
- 1999-04-09 ES ES99913377T patent/ES2226365T3/es not_active Expired - Lifetime
- 1999-04-09 WO PCT/FR1999/000832 patent/WO1999052644A1/fr active IP Right Grant
- 1999-04-09 EP EP99913377A patent/EP1071518B1/fr not_active Expired - Lifetime
- 1999-04-09 AU AU31520/99A patent/AU3152099A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP0796665A2 (fr) * | 1996-03-18 | 1997-09-24 | Dürr Systems GmbH | Système et procédé d'alimentation en peinture d'une installation de revetment |
WO1998006503A1 (fr) * | 1996-08-10 | 1998-02-19 | Herberts Gesellschaft mit beschränkter Haftung | Procede et dispositif de mise en peinture |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001051216A2 (fr) | 2000-01-14 | 2001-07-19 | Sames Technologies | Installation de projection de produit de revetement |
FR2803776A1 (fr) | 2000-01-14 | 2001-07-20 | Sames Sa | Installation de projection de produit de revetement |
US6989176B2 (en) | 2000-10-19 | 2006-01-24 | Sames Technologies | Device and method for supplying atomizers, and spraying installation equipped with such a device |
Also Published As
Publication number | Publication date |
---|---|
AU3152099A (en) | 1999-11-01 |
EP1071518B1 (fr) | 2004-09-15 |
DE69920199D1 (de) | 2004-10-21 |
FR2777482A1 (fr) | 1999-10-22 |
ES2226365T3 (es) | 2005-03-16 |
EP1071518A1 (fr) | 2001-01-31 |
FR2777482B1 (fr) | 2000-12-29 |
DE69920199T2 (de) | 2005-09-29 |
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