EP3582906B1 - Behandlungsvorrichtung zur behandlung der oberfläche eines substrats mithilfe eines spezifischen produkts - Google Patents

Behandlungsvorrichtung zur behandlung der oberfläche eines substrats mithilfe eines spezifischen produkts Download PDF

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Publication number
EP3582906B1
EP3582906B1 EP18706829.1A EP18706829A EP3582906B1 EP 3582906 B1 EP3582906 B1 EP 3582906B1 EP 18706829 A EP18706829 A EP 18706829A EP 3582906 B1 EP3582906 B1 EP 3582906B1
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EP
European Patent Office
Prior art keywords
nozzles
treatment device
axis
specific
chamber
Prior art date
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Application number
EP18706829.1A
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English (en)
French (fr)
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EP3582906A1 (de
Inventor
Stéphane MENARD
Vincent BELORGEOT
Philippe SAPET
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Metalizz
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Metalizz
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Publication of EP3582906A1 publication Critical patent/EP3582906A1/de
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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
    • 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
    • B05B13/0228—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 the movement of the objects being rotative
    • 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
    • B05B12/1472—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 separate supply lines supplying different materials to separate outlets of the spraying apparatus
    • 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
    • B05B13/0278—Arrangement or mounting of spray heads
    • 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
    • B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • B05B16/405—Partly or totally cylindrical walls; Round floors
    • 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
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0846—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with jets being only jets constituted by a liquid or a mixture containing a liquid
    • 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
    • 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
    • B05B9/047—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 supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
    • 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
    • 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
    • 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
    • B05B9/0403—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 with pumps for liquids or other fluent material
    • B05B9/0406—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 with pumps for liquids or other fluent material with several pumps
    • 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
    • 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
    • B05B9/0403—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 with pumps for liquids or other fluent material
    • B05B9/042—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 with pumps for liquids or other fluent material with peristaltic pumps
    • 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
    • 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
    • B05B9/0403—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 with pumps for liquids or other fluent material
    • B05B9/0423—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 with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus

Definitions

  • the present invention relates to the technical field of surface treatments, in particular to techniques making it possible to cover objects of any kind with a film. More precisely, the invention is attractive to a surface treatment device making it possible to cover several faces of the same object with at least one viscous or liquid film of specific solution.
  • a covering technique consists, for example, in immersing an object in a bath containing a solution of specific composition.
  • a volume of liquid solution greater than the volume of the object that is to be covered.
  • a large amount of solution must therefore be used to fill the bath.
  • each object is likely to pollute the bath by importing particles during its immersion.
  • the bath is also exposed to the external environment which can lead to chemical reactions deteriorating its chemical constituents. It then becomes necessary to frequently renew the contents of the bath to preserve a quality deposit on the objects, which ultimately implies a significant consumption of specific solution.
  • another covering technique consists in spraying the specific solution in the form of an aerosol onto the surface of the objects to be treated. It is known for this the use of spray gun allowing an operator to project the specific solution in the form of a cloud of fine droplets. This method offers the advantage of using a much smaller quantity specific solution to cover the same object, compared to the previous technique. Nevertheless, the projection guns have the drawback of projecting the specific solution in the form of a directional jet. The thickness of film deposited on the surface of the object then depends on the angle of exposure of the surface of the object with respect to the aerosol jet, the exposure time of the surface and the distance between the object and the projection gun. Thus, to cover the entire surface of an object, it is necessary to rotate the object relative to the gun.
  • the present application proposes a device for treating the surface of at least one object, comprising a treatment chamber configured to accommodate one or more objects to be treated, means for projecting an aerosol into the treatment chamber and means for maintaining at least one object in said chamber, the holding means comprising means for setting in motion configured to pivot each object around at least two axes of rotation, the means for setting in motion comprising one or more first axes of rotation pivoting about a second axis of rotation and the second axis of rotation pivoting about a third axis of rotation, the projection means comprising a first array of nozzles, arranged on a side wall of the treatment chamber so as to be aligned along the third axis of rotation, the first array of nozzles comprising at least one nozzle configured to project a specific solution in the form of a j and hollow cone.
  • the invention is characterized in that the projection means comprise a second row of nozzles, arranged on the side wall of the treatment chamber so as to be aligned along the third axis of rotation, and in that the second row of nozzles comprises at least one nozzle configured to project a second specific solution in the form of a full cone jet.
  • the means for setting in motion make it possible to expose all the faces of the object to the aerosol projected by the projection means, without it being necessary for a user to handle said object for this.
  • the means of setting in motion automate the pivoting of objects relative to the aerosol spraying means which on the one hand makes it possible to ensure that all the faces of the same object have indeed been exposed to the aerosol and on the other hand to reproduce identically the deposition of a specific film on identical objects.
  • the treatment device according to the invention allows a user with little experience in the aerosol spraying technique to cover the entire surface of a shaped object homogeneously, rapidly and reproducibly with a specific solution. complex or not.
  • complex shape is meant an object whose surface has concavities and / or convexities and / or passages.
  • the means for setting in motion are configured to pivot each object around two axes orthogonal to one another and / or two axes parallel to one another.
  • the means for setting in motion comprise fixing means making it possible to maintain one or more objects on the holding means and the means for setting in motion are configured to cause each fixing means to pivot about at least two axes of separate rotation, so that each object performs a planetary type movement centered or substantially centered on the median axis of the treatment chamber.
  • the fixing means are moved simultaneously in the treatment chamber.
  • the means for setting in motion comprise one or more first axes of rotation pivoting about a second axis of rotation and the second axis of rotation pivots about a third axis of rotation.
  • several first axes can rotate around the second axis of rotation.
  • the second axis and the third axis of rotation are mutually parallel and the first axis (s) of rotation are perpendicular to the second axis of rotation.
  • the first axis (s) of rotation are both perpendicular to the second axis and orthogonal to the third axis of rotation.
  • perpendicular is meant here that the first axis (s) are linked directly to the second axis and by the term “orthogonal” that the first axis (s) are indirectly linked to the third axis via the second axis.
  • the means for setting in motion comprise a drive device configured to drive the rotation of the first axis or axes, of the second axis and of the third axis of rotation.
  • the drive device makes it possible to control the speed of rotation of each pivot axis.
  • the speed of rotation of each axis can be the same or quite different.
  • the speed of rotation of the first axis (s) is greater than the speed of rotation of the third axis.
  • the treatment chamber comprises a longitudinal axis and the third axis is collinear or substantially collinear with the longitudinal axis of the chamber.
  • the third axis of rotation passes through the center of the processing chamber.
  • the treatment chamber is of circular cylindrical shape with radius r, the distance between the second axis and the third axis is between 0 and 0.7r, preferably between 0.2 and 0.5r; and the objects are kept at a distance from the second axis of between 0 and 0.2r, preferably between 0 and 0.1r.
  • the values mentioned above depend on the dimensions of the object (s) to be treated, so that they are chosen so that the objects do not hit the walls of the treatment chamber and do not collide during their movement. .
  • these values are chosen so that the object (s) are spaced by a minimum distance from the walls of the treatment chamber, equal to or greater than 0.1r.
  • the minimum distance between an object and the walls of the chamber can be between 30mm and 100mm.
  • the means for spraying an aerosol comprise at least two rows of nozzles, each row of nozzles being arranged on a side wall of the treatment chamber, each row of nozzles comprising one or more nozzles aligned according to the third axis of the means for setting in motion.
  • at least one nozzle of the first row of nozzles is configured to project a specific liquid solution in the form of a hollow cone jet and at least one nozzle of the second row of nozzles is configured to project a second specific solution in the form of a full cone jet.
  • the projection means can also include one or more nozzles located at the bottom of the treatment chamber.
  • bottom is meant here a wall extending between the side wall and delimiting at least part of the treatment chamber.
  • the at least two rows of nozzles are arranged in the treatment chamber so as to form an angle with the median axis of the chamber, the value of the angle of which is between 10 ° and 120 °. , preferably between 30 ° and 70 °.
  • the inventors have observed that this particular arrangement of the nozzle ramps makes it possible to promote better mixing of the aerosols emitted by each ramp. The inventors have also observed that this arrangement promotes a more homogeneous mist of specific solution in the treatment chamber.
  • each row of nozzles is supplied with a specific solution by means of a pipe connected to a specific reservoir containing the specific solution, pumping means making it possible to supply each nozzle with a specific solution.
  • a pressure between 1 and 8 bars, preferably between 2 and 6 bars of pressure, so that the aerosol jet projected by each nozzle is between 45 ° and 120 °, preferably between 60 ° and 100 °.
  • the angle of the jet aerosol is measured at the top of the hollow cone formed by the aerosol jet.
  • a specific reservoir is connected to one or more rows of nozzles by means of a separate fluid circuit.
  • the treatment device can comprise at least two independent fluidic circuits, each fluidic circuit supplying one or more rows of nozzles with a different specific solution.
  • a specific reservoir designates a flexible pouch.
  • the processing device comprises control means controlling the means for setting in motion and the pumping means, as well as means for storing a processing method and a switch both connected to the means of commands, so as to allow a user to trigger a surface treatment prerecorded by the storage means following the actuation of the switch.
  • This embodiment advantageously allows a user to quickly and easily implement a method for treating the surface of at least one object placed on the holding means and present in the treatment chamber.
  • the treatment device comprises a frame making it possible to attach one or more specific reservoirs, the frame being movable between a first closed position in which it is integrated in the treatment device in order to limit the size of said device. device, and a second open position in which it is at least partially released from the treatment device in order to facilitate the hooking or unhooking of one or more specific reservoirs on the frame.
  • the radius r of the circular-shaped treatment chamber is between 20cm and 100cm, preferably between 40cm and 60cm, and the height h of the treatment chamber is between 30cm and 200cm, preferably between 80cm and 120cm.
  • the pumping means comprise at least one peristaltic or centrifugal pump.
  • a pump peristaltic makes it possible to supply one or more nozzles with a specific solution, without it being necessary for this to introduce a gas into the solution.
  • the means for setting in motion are configured to simultaneously rotate each object around the first axis at a speed of between 5 and 100 revolutions per minute, preferably between 20 and 40 revolutions per minute.
  • the invention aims to provide a surface treatment device making it possible to cover with a specific film the entire surface of an object of complex shapes, which is simple and quick to use while making it possible to obtain reproducible results.
  • the treatment device comprises a cabinet 10 incorporating a treatment chamber 100, means 200 for projecting an aerosol into the treatment chamber and means 300 for maintaining at least one object in said chamber.
  • the treatment chamber 100 is delimited by a side wall 102 extending along a longitudinal axis 104.
  • the treatment chamber is closed at a first end by a bottom 106 of planar or concave shape in order to collect the effluents generated by the nebulization of the solutions introduced into the treatment chamber.
  • the convex shape makes it possible to define an upper homeland 106A and a lower part 106B in the bottom of the treatment chamber 100.
  • Outlets 108 shown on the figure. figure 2 are arranged at the level of the lower part 106B of the bottom, in order to allow the evacuation of the effluent treatment chamber to a flexible collection tank or not.
  • the treatment chamber comprises at a second end an opening 110 arranged vis-à-vis the bottom 106.
  • the opening 110 extends to the side wall 102 in order to facilitate the introduction and removal. in the processing chamber 100 of objects 120 to be treated.
  • the treatment chamber is of circular cylindrical shape with a radius r between 20cm and 100cm, and a height h between the opening 110 and the upper part 106A of the bottom, which is between 30cm and 200cm. According to the present example, the radius r and the height h are respectively equal to 30cm and 50cm.
  • the shape of the treatment chamber as well as its dimensions can vary depending on the place where it is desired to use the invention.
  • the treatment chamber 100 may be of circular, conical, rectangular, spherical or other shape.
  • the processing chamber 100 is formed from materials which do not react with the specific solution that it is desired to spray.
  • a material is chosen which promotes the flow of the specific solution along its side wall in order to facilitate its maintenance.
  • the treatment chamber is made from polyvinyl chloride, acrylonitrile butadiene styrene or High Throughput Phenotyping.
  • the treatment chamber is made from polyethylene.
  • the treatment device 1 also comprises means 200 for projecting an aerosol into the treatment chamber. More precisely, the projection means are configured to project into the treatment chamber 100 one or more specific solutions in the form of a mist of fine droplets.
  • the projection means comprise several nozzles 202. As illustrated on figure 3 , each nozzle is configured to project towards the center of the processing chamber a specific solution in the form of a hollow cone jet.
  • the projection means 200 are configured to project four distinct specific solutions into the treatment chamber 100.
  • Each specific solution is associated with a ramp 204A, 204B, 204C and 204D comprising three nozzles positioned on the side wall 102 and a nozzle positioned on the upper part 106A of the bottom of the treatment chamber 100.
  • the nozzles 202 of the same ramp pass through the side wall 102 so as to be aligned along the longitudinal axis 104 of the treatment chamber and spaced apart by a sufficient distance so that their respective jet intersects at a distance from the side wall of between 0.1r and 0.8.
  • the same ramp can comprise a first and a second nozzle respectively positioned along the side wall at 30cm and 42cm from the opening 110 of the treatment chamber.
  • the ramps 204A and 204B projecting different specific solutions are arranged so as to form an angle ⁇ with the longitudinal axis 104, comprised between 10 ° and 120 ° of preferably between 30 ° and 70 °.
  • the inventors have observed that within this range of angle values, better mixing of the specific solutions is favored before their deposition on the object to be treated.
  • the values of these angles are likely to vary according to the number of distinct specific solutions that one wishes to project into the treatment chamber 100.
  • Each ramp is supplied with a specific solution via a flexible conduit 110 fluidly connected to a flexible bag 610 containing the specific solution.
  • a centrifugal or peristaltic pump 114 is used to supply the nozzles of the same manifold with the same specific liquid solution at a pressure of between 1 and 8 bars, preferably between 2 and 6 bars of pressure.
  • Each peristaltic pump 114 has a rotation frequency of between 200 and 300 revolutions per minute, preferably of the order of 240 revolutions per minute, and supplies the nozzles with a specific solution at a pressure of between 1 and 4 bars of pressure.
  • the flow rate of specific solution projected by each ramp is then between 0.6 and 1.2 liters per minute, preferably of the order of 0.9 liters per minute.
  • each nozzle 102 projects the specific solution in the form of an aerosol jet with a hollow cone, the angle of divergence of which is between 45 ° and 120 °, preferably between 60 ° and 100 °.
  • the divergence angle is measured at the top of the cone formed by the aerosol jet.
  • the value of this angle depends on the nature of the specific solution and on the injection pressure of the solution in the nozzle.
  • the nozzles 202 preferably have ceramic elements so that the specific solution does not chemically react in the nozzles.
  • the nozzles used are marketed by the manufacturer “COORS TEK”, under the brand “ALBUZ” under the reference “ATR 80”. They are configured to produce an 80 ° divergent jet at the top of the hollow cone, when supplied with a specific solution at 5 bar pressure.
  • the treatment device 1 also comprises means 300 for holding at least one object in the treatment chamber 100.
  • the holding means comprise a cover 302 of planar shape and translation means 304 making it possible to move the device. cover along the longitudinal axis 104, between an open position shown in figure 1 and a closed position shown in figure 3 , in which a lower face 306 of the cover 302 completely blocks the opening 110 of the treatment chamber.
  • the translation means 304 comprise a mechanical device consisting of a metal bar trimmed with notches. The metal bar is integral with the cover 302 at one end in order to allow translation of the cover when the metal bar is moved by means of a motorized translation device present in a housing placed against the treatment chamber.
  • the cover also serves as a support for moving means 400, configured to simultaneously pivot one or more objects in the treatment chamber along three distinct axes of rotation (AA '), (BB') and (CC ').
  • the movement means 400 comprise a motor 410 configured to drive the rotation and pivoting of a shaft 412, fixed to the lower face 306 of the cover by means of gears.
  • the shaft 412 is held on the cover 302 so as to rotate about an axis of rotation (AA ') and at the same time to pivot on itself along an axis of rotation (BB').
  • the axis of rotation (AA ') coincides with the longitudinal axis 104 of the treatment chamber 100 shown in figure 1 .
  • the axis of rotation (BB ') is parallel to the axis of rotation (AA').
  • the means for setting in motion 400 also comprise several rods 414 extending radially and along the shaft 412. Each rod 414 pivots on itself along an axis of rotation (CC ') by means of gears 416. set in motion by the motor 410.
  • the axis of rotation (CC ') is perpendicular to the axis of rotation (AA').
  • Each rod 414 comprises means for attaching an object to be treated.
  • these attachment means can comprise one or more points on which the objects 120 are plugged in.
  • the rods 414 are sufficiently separated or synchronized in order to prevent the objects from colliding when they are set in motion.
  • the holding means 300 make it possible to hold an object to a rod 414 pivoting on itself along the axis of rotation (CC ') and around a shaft 412 along the axis of rotation (BB') which is moves around the axis of rotation (AA ') in the treatment chamber 100.
  • the shaft 412 can be detached from the cover 302 in order to facilitate the positioning of one or more objects on the moving means 400, before their introduction into the treatment chamber.
  • the shaft 412 can be attached using a clip on a drive system present at the level of the lower face 306 of the cover.
  • the means for setting in motion 400 consist of an element which does not react with the specific solutions projected by the projection means 200.
  • they can be constituted by a stainless steel of type 316L or of plastic of type DELRIN, PVC, PE ...
  • each rod 414 is mounted a rod 420 pivoting freely by means of a gear 422, around an axis of rotation (DD ') perpendicular to the axis of rotation (CC').
  • the rods 416 comprise the same type of means for fixing an object described above.
  • this alternative allows each object 120 to pivot around four distinct axes of rotation.
  • This embodiment allows a greater variety of positions of objects 120 in the processing chamber, promoting a more homogeneous deposition of a specific solution on an object of complex shape.
  • the processing device 100 also comprises control means 500 composed of a central unit 510 connected to a storage unit 520 making it possible to memorize at least one processing method, and a push-button type switch 530 connected to the unit. central unit 510.
  • the central unit is connected and configured to control the operation of the translation means 304, of the motor 410 and of each peristaltic pump 114. More specifically, the central unit 510 is configured to implement the steps of a stored surface treatment method, of one or more objects 120 held in the treatment chamber 100 by the holding means 300, when a user actuates the switch 530.
  • the treatment steps preferably include at least two times separate projectors of different specific solutions into the treatment chamber 100.
  • the central unit 510 can also control the simultaneous activation of at least two peristaltic pumps 114 so as to simultaneously project into the treatment chamber 100 several specific solutions of different nature.
  • the switch makes it possible to control the closing of the treatment chamber by the cover 302 before the start of the treatment process.
  • control means comprise a communication unit 530 configured to allow a user to interact with the central unit 510 and / or the storage unit 520, in order to modify and / or delete and / or register a treatment process.
  • the communication unit 530 may include a touch screen making it possible to display information relating to the treatment process and to modify several of its parameters.
  • the communication unit 530 may include a transmission unit allowing a user to interact with the central unit 510 via a wireless device of the smart phone type.
  • the treatment device also comprises a frame 600 making it possible to suspend one or more flexible bags 610A, 610B, 610C and 610D, each containing a different specific solution.
  • the frame is preferably made movable by means of rollers 602, between a first open position illustrated on figure 1 where it is at least partially taken out of the cabinet 10 in order to facilitate the hanging or unhooking of one or more flexible pockets 610 on the frame 600, and a closed position illustrated in figure 3 in which it is integrated into the cabinet 10 in order to limit the bulk of the cabinet.
  • the frame 600 is a telescopic drawer.
  • other arrangements of the telescopic drawer can be envisaged, for example a horizontal position of said drawer instead of a vertical position as shown in the drawings.
  • the flexible bags 610 are self-supporting and opaque in order to limit the degradation of the specific solutions that they contain by ultraviolet radiation.
  • the flexible pouch 610A can be configured to store a solution for activating the surface of the object (s) 120 to be treated
  • the flexible pouch 610B can contain an aqueous solution
  • the flexible pouch 610C can contain a metallic ionic solution
  • the flexible pouch 610D may contain a reducing solution of the previous solution.
  • the capacity of each flexible bag is between 1 and 10 liters and preferably of the order of 3 liters.
  • the flexible bags used here are commonly called "POUCH".
  • Each flexible bag 610 includes a connector allowing a quick connection of one end of a flexible conduit 110, in order to supply a specific nozzle ramp with a specific solution.
  • the flexible bag 610A is fluidly connected to the ramp 204A shown in the figure. figure 2
  • the flexible bag 610B is fluidly connected to the ramp 204B, etc.
  • each flexible pocket can be fitted with a “RFID” chip type recognition, to facilitate the identification of each bag and the specific solution it contains.
  • the frame 600 can carry an additional flexible bag, fluidly connected to the outlets 108 via a dedicated flexible conduit, in order to store the effluents produced by the treatment process.
  • the treatment device 2 also comprises a treatment chamber 100, means 200 for projecting an aerosol into the treatment chamber and means 300 for maintaining at least one object in said chamber.
  • the identical elements between this variant embodiment and the variant of figures 1 to 3 which does not form part of the invention as claimed are designated by the same reference numerals below and in the figures.
  • the treatment device 2 comprises means 200 for projecting an aerosol into the treatment chamber.
  • the projection means are configured to project into the treatment chamber 100 one or more specific solutions in the form of a mist of fine droplets.
  • the projection means comprise several nozzles 202, each nozzle is configured to project towards the center of the treatment chamber a specific solution in the form of an aerosol.
  • the nozzles used are marketed by the manufacturer “COORS TEK” under the brand “ALBUZ” under the reference “ATR 80” hollow cone.
  • the nozzles 202 are arranged along the side wall 102 so as to form different ramps, aligned along the longitudinal axis 104 of the treatment chamber and spaced apart by a sufficient distance so that their respective jet intersects at a distance of the side wall between 0.1r and 0.8.
  • the same ramp can comprise a first and a second nozzle respectively positioned along the side wall at 30cm and 42cm from the opening 110 of the treatment chamber.
  • the treatment chamber 100 comprises at least a first ramp 205A composed only of nozzles 202 configured to project a specific solution in the form of a hollow cone aerosol jet.
  • the treatment chamber 100 comprises at least one second ramp 205B composed only of nozzles 203 configured to project another specific solution in the form of a full cone aerosol jet.
  • the nozzles 203 project a specific solution in the form of a solid cone, the apex of which forms an angle of between 45 ° and 120 °, preferably between 60 ° and 100 °.
  • the divergence angle is measured at the top of the solid cone formed by the aerosol jet.
  • the nozzles used are marketed by the manufacturer “COORS TEK”, under the brand “ALBUZ” under the reference “ATR 80” full cone.
  • the first ramp 205A is connected to a specific reservoir 610A via a dedicated flexible conduit 110A.
  • the second ramp 205B is connected to another specific reservoir 610B via another dedicated flexible conduit 110B.
  • a centrifugal or peristaltic pump 114 is used to supply each ramp with a solution contained in their specific reservoir, at a pressure of between 1 and 8 bars, preferably between 2 and 6 bars of pressure.
  • Each peristaltic pump 114 has a rotation frequency of between 200 and 300 revolutions per minute, preferably of the order of 240 revolutions per minute, and supplies the nozzles with a specific solution at a pressure of between 1 and 4 bars of pressure.
  • this variant embodiment of the invention makes it possible to use a specific type of nozzle, for the spraying of a specific solution, in the treatment chamber 100.
  • the same nozzle ramp sprays a single solution. specific contained in a specific reservoir.
  • the invention makes it possible to project into the treatment chamber 100 solutions at very different flow rates, depending on whether the solution passes through the first ramp 205A or the second ramp 205B of nozzles. Indeed, at a similar pressure, the same liquid is vaporized at a much greater rate through the nozzles 203, projecting the liquid in the form of a full cone, compared to the vaporization of the same liquid through the nozzles 202. , projecting said liquid in the form of a hollow cone.
  • This embodiment thus makes it possible to save the most expensive solutions, by vaporizing them in the treatment chamber only by the first ramp 205A of nozzles. According to another advantage, this embodiment also makes it possible to limit the quantity of solution effluents vaporized by the first ramp 205A of nozzles. This is particularly advantageous when the solution projected by the first ramp is harmful to the environment.
  • the second row of nozzles 205B promotes a significantly greater flow rate of a specific solution in the treatment chamber.
  • this embodiment of the invention makes it possible to vaporize in the treatment chamber 100 different specific solutions, at different flow rates, using the same pumping means under the same conditions.
  • the invention therefore allows a greater variety of treatment of the surface of an object present in the treatment chamber, by making it possible to vary in a simple way the rate of introduction between two distinct specific solutions in the same chamber of treatment. treatment, simultaneously or not.

Landscapes

  • Spray Control Apparatus (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Claims (14)

  1. Vorrichtung (2) zur Behandlung der Oberfläche wenigstens eines Objekts (120), die eine für die Aufnahme eines oder mehrerer zu behandelnder Objekte (120) ausgelegte Behandlungskammer (100), Mittel (200) zum Versprühen eines Aerosols in der Behandlungskammer (100) und Mittel (300) zum Festhalten wenigstens eines Objekts (120) in der Behandlungskammer aufweist, wobei die Festhaltemittel (300) Bewegungsmittel (400) aufweisen, die dazu ausgelegt sind, jedes Objekt (120) um wenigstens zwei Drehachsen zu schwenken, wobei die Bewegungsmittel (400) eine oder mehrere um eine zweite Drehachse (BB') schwenkende erste Drehachsen (CC') aufweisen und die zweite Drehachse um eine dritte Drehachse (AA') schwenkt, wobei die Versprühungsmittel (200) eine erste Düsenleiste (205A) aufweisen, die auf einer Seitenwand (102) der Behandlungskammer (100) derart angeordnet ist, daß sie entlang der dritten Drehachse (AA') ausgerichtet ist, wobei die erste Düsenleiste (205A) wenigstens eine Düse (202) aufweist, die dazu ausgelegt ist, eine spezifische Lösung in Form eines Hohlkegelstrahls zu versprühen,
    dadurch gekennzeichnet, daß die Versprühungsmittel (200) eine auf der Seitenwand (102) der Behandlungskammer (100) angeordnete zweite Düsenleiste (205B) derart aufweisen, daß sie entlang der dritten Drehachse (AA') ausgerichtet ist, und daß die zweite Düsenleiste (205B) wenigstens eine Düse (203) aufweist, die dazu ausgelegt ist, eine zweite spezifische Lösung in Firm eines Vollkegelstrahls zu versprühen.
  2. Behandlungsvorrichtung (2) gemäß dem vorangehenden Anspruch, dadurch gekennzeichnet, daß die erste Düsenleiste 205A) über eine dafür vorgesehene Leitung (110A) mit einem spezifischen Behälter (610A) verbunden ist und daß die zweite Düsenleiste (205B) über eine andere dafür vorgesehene Leitung (110B) mit einem anderen spezifischen Behälter (610B) verbunden ist.
  3. Behandlungsvorrichtung (2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die erste Düsenleiste (205A) nur aus Düsen (202) besteht, die dazu ausgelegt sind, eine spezifische Lösung in Form eines Hohlkegelstrahls zu versprühen.
  4. Behandlungsvorrichtung (2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die zweite Düsenleiste (205B) nur aus Düsen (203) besteht, die dazu ausgelegt sind, eine zweite spezifische Lösung in Form eines Vollkegelstrahls zu versprühen.
  5. Behandlungsvorrichtung (1, 2) gemäß einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Behandlungsvorrichtung an jeder spezifischen Leitung (110, 110A, 110B) eine spezifische peristaltische Pumpe (114) aufweist, um wenigstens eine Düsenleiste mit einer in einem spezifischen Behälter (610, 610A, 610B) enthaltenen spezifischen Lösung zu versorgen.
  6. Behandlungsvorrichtung (1, 2) gemäß dem vorangehenden Anspruch, dadurch gekennzeichnet, daß eine peristaltische Pumpe (114) ermöglicht, eine Düsenleiste mit einer spezifischen Lösung mit einem Druck zwischen 1 und 8 bar, vorzugsweise zwischen 2 und 6 bar, zu versorgen, damit der von jeder Düse (202) versprühte Hohlkegelstrahl an seiner Spitze einen Öffnungswinkel zwischen 45° und 120°, vorzugsweise zwischen 60° und 100°, aufweist.
  7. Behandlungsvorrichtung (1, 2) gemäß einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß sie ein Gestell (600) aufweist, das ermöglicht, einen oder mehrere spezifische Behälter (610, 610A, 610B) aufzuhängen, wobei das Gestell zwischen einer geschlossenen Stellung, in der es sich in der Behandlungsvorrichtung (1. 2) befindet, um seine Abmessungen zu begrenzen, und einer geöffneten Stellung, in der es wenigstens teilweise aus der Behandlungsvorrichtung heraus ist, um das Einhängen oder das Abhängen eines oder mehrerer spezifischer Behälter (610, 610A, 610B) am bzw. vom Gestell zu vereinfachen, bewegbar ist.
  8. Behandlungsvorrichtung (1, 2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die zweite Drehachse (BB') und die dritte Drehachse (AA') zueinander parallel sind und daß die erste oder die ersten Drehachse(n) (CC') zur zweiten Drehachse (BB') senkrecht ist bzw. sind.
  9. Behandlungsvorrichtung (1, 2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Bewegungsmittel (400) einen mit jeder ersten Drehachse (CC') verbundenen Träger (420) aufweisen, der dazu ausgelegt ist, um die erste Achse zu schwenken, und daß jeder Träger Befestigungsmittel aufweist, die ermöglichen, ein oder mehrere Objekte (120) zu befestigen.
  10. Behandlungsvorrichtung (1, 2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Behandlungskammer (100) eine Längsachse (104) aufweist und daß die dritte Achse (AA') kolinear oder im Wesentlichen kolinear zur Längsachse der Kammer ist.
  11. Behandlungsvorrichtung (1, 2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Behandlungskammer (100) von kreiszylindrischer Form mit Radius r ist und daß der Abstand zwischen der zweiten Achse (BB') und der dritten Achse (AA') zwischen 0 und 0,7 r, vorzugsweise zwischen 0,2 und 0,5 r, beträgt und daß die Objekte (120) in einem Abstand 0 bis 0,2 r, vorzugsweise zwischen 0 und 0,1 r, von der zweiten Achse (BB') gehalten werden.
  12. Behandlungsvorrichtung (1, 2) gemäß dem vorangehenden Anspruch, dadurch gekennzeichnet, daß der Radius r der Behandlungskammer (100) zwischen 20 cm und 100 cm, vorzugsweise zwischen 40 cm und 60 cm, beträgt und die Höhe h der Behandlungskammer zwischen 30 cm und 200 cm, vorzugsweise zwischen 80 cm und 120 cm, beträgt.
  13. Behandlungsvorrichtung (1, 2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die wenigstens zwei Düsenleisten (205A, 205B) mit einer Mittelachse der Kammer einen Winkel (α) bilden, wobei der Wert des Winkels (α) zwischen 10° und 120°, vorzugsweise zwischen 30° und 70°, beträgt.
  14. Behandlungsvorrichtung (1, 2) gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Bewegungsmittel (400) dazu ausgelegt sind, jedes Objekt (120) gleichzeitig mit einer Geschwindigkeit zwischen 5 und 100 Umdrehungen pro Minute, vorzugsweise zwischen 20 und 40 Umdrehungen pro Minute, um die erste Achse (CC') schwenken zu lassen.
EP18706829.1A 2017-02-17 2018-02-15 Behandlungsvorrichtung zur behandlung der oberfläche eines substrats mithilfe eines spezifischen produkts Active EP3582906B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1751288A FR3063025B1 (fr) 2017-02-17 2017-02-17 Dispositif de traitement de la surface d'au moins un objet par une solution specifique
PCT/FR2018/050367 WO2018150143A1 (fr) 2017-02-17 2018-02-15 Dispositif de traitement de la surface d'au moins un objet par une solution spécifique

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EP3582906B1 true EP3582906B1 (de) 2021-04-07

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FR3104038B1 (fr) * 2019-12-04 2022-11-25 Metalizz Procédé de traitement de surface d’un objet en trois dimensions
CN110756379B (zh) * 2019-12-10 2021-03-26 安徽富坤机械设备有限公司 一种洗衣机电机外壳上漆装置
CN112007811B (zh) * 2020-09-14 2021-11-09 江苏瑞姚实业有限公司 一种涂料喷涂装置

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US5693150A (en) * 1996-05-03 1997-12-02 Aeg Automation Systems Corporation Automatic paint gun cleaner
JP2002035659A (ja) * 2000-07-24 2002-02-05 Yamaha Motor Co Ltd 塗装システム
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FR3063025B1 (fr) 2021-09-24
WO2018150143A1 (fr) 2018-08-23
FR3063025A1 (fr) 2018-08-24

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