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WO2012089787A1 - Cabine de peinture pour peindre des plantes pour des produits - Google Patents

Cabine de peinture pour peindre des plantes pour des produits Download PDF

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Publication number
WO2012089787A1
WO2012089787A1 PCT/EP2011/074195 EP2011074195W WO2012089787A1 WO 2012089787 A1 WO2012089787 A1 WO 2012089787A1 EP 2011074195 W EP2011074195 W EP 2011074195W WO 2012089787 A1 WO2012089787 A1 WO 2012089787A1
Authority
WO
WIPO (PCT)
Prior art keywords
booth
self
sheets
movement
guns
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2011/074195
Other languages
English (en)
Inventor
Gianni GIARDINI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trasmetal SpA
Original Assignee
Trasmetal SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trasmetal SpA filed Critical Trasmetal SpA
Publication of WO2012089787A1 publication Critical patent/WO2012089787A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—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
    • 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
    • B05B13/0405—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 with reciprocating or oscillating spray heads
    • B05B13/041—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 with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • B05B13/0415—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 with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line the angular position of the spray heads relative to the straight line being modified during the reciprocating movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/44—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using walls specially adapted for promoting separation of the excess material from the air, e.g. baffle plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates to an improved paint booth for applying powder paints, in particular for automated coating plants for products that use powder paint dispensing means comprising at least two guns positioned opposite one another.
  • painting plants for products dedicated to the use of powder paints are provided with one or more booths in which the product is subjected to one or more series of coatings, for example one or more painting stages and/or one or more stages of baking/crosslinking with IR or UV lamps, or with hot air or induction heating.
  • Booths in particular in the case of electrostatic powder painting, normally have a structure comprising a frame or framework which supports a plurality of walls positioned in such a manner that their internal surface defines a space adapted to house one or more dispensers of painting materials. Painting takes place by making the products to be treated pass through the space inside the booth so that they are exposed to dispensing of the powder by means of specific dispensing means. The dispensing means are in turn moved, for example along a vertical axis, in such a manner as to coat the whole surface of the product.
  • a first function relates to the need to have deposition surfaces on which the powder that does not adhere to the product, or which is not drawn up by the suction system, can deposit, so as to prevent its diffusion in the surrounding environment.
  • a second function relates to the need to remove the unused powder from the walls on which it has deposited, in order to recover and reuse said powder, and above all in order to prevent the powder from detaching from the walls and depositing on products during subsequent painting operations with different colours, contaminating their final colouring.
  • a first solution consists simply of operations carried out manually by operators, who remove the powder deposits from the walls and from the space inside the booth.
  • these solutions are effective, they have a negative impact on production times and costs and oblige the operator to work in an unhealthy environment.
  • an operation carried out manually may still be necessary to clean the space inside the booth and the devices positioned therein, for example constituted by paint guns or dispensers in general.
  • a further problem, particularly in relation to a paint booth in which the dispensing means constituted by powder painting guns, is the need to support the products to be painted on specific rotating hooks so as to allow uniform painting of the products on all sides. This involves relatively long times for passage of the products inside the booth, as well as an increase in costs. It must also be underlined that solutions of this type require booths of large dimensions in order to correctly manage the operations of passage through the booth, rotation of the products and painting on all sides.
  • booths of known type have the problem of the relatively long times required for passage of the parts through the booth and management of the operations to clean and/or empty the dispenser devices at each colour change operation.
  • the main aim of the present invention is to produce a paint booth, and in particular a paint booth for automated powder painting plants for products, which enables the above problems to be overcome.
  • an object of the present invention is to produce a paint booth which does not require, or in any case minimizes, cleaning operations carried out manually.
  • Another object of the present invention is to produce a paint booth that enables the space occupied by the booth to be minimized.
  • Yet another object of the present invention is to produce a paint booth that does not require complicated and bulky mechanisms for cleaning the inside of the booth.
  • Yet another object of the present invention is to produce a paint booth in which the paint dispensing devices are moved in an optimum way, in order to allow painting of parts even of considerable longitudinal dimensions, minimizing the times required for emptying and/or maintenance of these dispensing devices.
  • Last but not least object of the present invention is to produce a paint booth, and in particular a paint booth for automated painting plants for products which is highly reliable, relatively simple to produce and with competitive costs.
  • a self-cleaning paint booth for powder coating plants for products which is characterized in that it comprises: a supporting structure, a base surface, a plurality of sheets constituting the lateral walls of said booth, said sheets forming a first and a second opening, for entry and exit of said products to and from said booth, and a third and fourth opening from which first and second means for dispensing powder paint face the inside of said booth from substantially opposite positions, said first and second means for dispensing the powder paint being respectively provided with first and second movement means, said booth also comprising first suction means positioned at said base surface, second suction means and/or third pressurizing means which extend longitudinally in height at fifth and sixth openings formed by said sheets.
  • the first and second means for dispensing the powder paint positioned substantially opposite each other, for example along blocks which extend vertically, ensure optimal painting of the parts without requiring more or less complicated systems for the movement thereof, such as systems based on rotating supporting hooks.
  • said sheets form with the base surface a seventh opening along the perimeter of said base surface, and the first suction means are positioned at least one portion of said seventh opening.
  • said second suction means are positioned in substantially opposite positions relative to said base surface. In this way, it is possible to obtain optimal suction of the powders inside the booth without interfering with the path of the powders emitted by the dispensing means. It is well known that sometimes the products to be painted need to be re-touched, manually or automatically, outside the painting booth, in particular when their shape is complicated and an even coating of their surfaces would be difficult to be achieved inside the booth.
  • at least one of said sheets extends outside said booth and defines at least a first space for finishing touches or pre-touches of said products. In this way it is possible to obtain a very compact structure of the whole painting station, i.e. of the station including the painting booth and the finishing touching and/or pre-touching areas.
  • the self-cleaning paint booth according to the invention comprises a ninth sheet extending outside said booth and defining a first space for finishing touches of said products and a tenth sheet extending outside said booth and defining a second space for pre-touches of said products, said first and second space being positioned on opposite sides of said booth in correspondence of said first and second opening.
  • suction means can be positioned in correspondence of said first and/or second space.
  • said sheets have a closed loop structure having an inner wall facing the inside of said booth and a portion outside said booth. Said sheets are supported by first and second support and movement means which are positioned respectively in proximity of the top and of the base of said booth and impart a rotating or reciprocating motion to said sheets.
  • said third pressurizing means can advantageously be positioned in the cavity defined by said inner wall and by said outer portion of said sheets.
  • a further aspect of the booth according to the invention relates to the methods for movement of said means for dispensing the powder paint.
  • said means are adapted to move said first and second dispensing means to a first operating position and to position said first and second dispensing means in a second rest/emptying/maintenance position differing from said first operating position.
  • said second rest/emptying/maintenance position is advantageously located in proximity of said base surface.
  • said first and second dispensing means respectively comprise a plurality of guns aligned along a first and a second vertical axis, said guns being mutually spaced at a first distance when positioned in a first operating position and spaced at a second distance, less than said first distance, when positioned in a second rest/emptying/maintenance position.
  • the emptying/maintenance operations can be carried out in proximity of the base surface, according to methods better described below. This makes it possible to minimize operations carried out manually and avoid access to workstations for maintenance of the guns located at height.
  • said first and second dispensing means respectively comprise a plurality of guns aligned in a first operating position along a first and a second horizontal axis, said guns being mutually spaced at a first distance when positioned in a first operating position and spaced at a second distance, less than said first distance, when positioned in a second rest/emptying/maintenance position.
  • said first and second movement means are adapted to impart to said first and second dispensing means a rotational movement so as to align said plurality of guns along a first and a second substantially vertical axis, a second movement of translation along a substantially horizontal axis so as to withdraw said plurality of guns from said booth, and a third movement of translation so as to position said plurality of guns in said second rest/emptying/maintenance position.
  • FIGS 1-8 and 16-18 represent some embodiments of the self-cleaning paint booth according to the invention.
  • FIGS 9-11 illustrate some details of the self-cleaning paint booth of figure 8.
  • Figures 12-15 represent some embodiments of the dispensing means and corresponding movement means in a self-cleaning paint booth according to the invention
  • the paint booth according to the invention 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100 comprises a supporting structure 10, for example constituted by a supporting framework.
  • the booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100 also comprises a base surface 20, a plurality of sheets 31, 32, 33, 34, 35, 36, 37, and 38 which constituted the lateral walls of said booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100.
  • said sheets forming a first 41 and a second 42 opening, for entry and exit of said products to and from said booth, and a third 43 and a fourth 44 opening from which first 51 and second 52 means for dispensing powder paint face the inside of said booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100.
  • the means for dispensing powder paint 51, 52 can, for example, be constituted by powder paint guns or by powder paint blades.
  • said first and second means for dispensing the powder paint 51, 52 are each constituted by a plurality of powder paint guns 510 and 520 arranged superimposed and aligned vertically, on at least one row per side.
  • said first and second means for dispensing the powder paint 51, 52 are each constituted by a plurality of powder paint guns horizontally aligned in a row, on at least one row per side
  • the characteristic that said means for dispensing the powder paint 51, 52 face the inside of said booth from substantially opposite positions should be intended to refer to a situation in which said dispenser means emit powders in opposite directions along two substantially parallel axes.
  • the emission of powder by the opposite dispensing means takes place along a same axis so that the jets of powder "collide" at the part to be painted.
  • the first 51 and second 52 means for dispensing the powder paint are advantageously provided respectively with first 511 and second 521 movement means, adapted to impart a suitable movement to said dispensing means according to methods better specified below.
  • FIG. 1 Another of the peculiar characteristics of the booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100 according to the invention consists in the fact that said booth is provided with first suction means 61 positioned at said base surface 20, and second suction means 62 and/or third pressurizing means 63 which extend vertically at fifth 45 and sixth 46 openings formed by said sheets.
  • the second suction means 62 can be constituted by suction collectors positioned vertically at the openings 45 and 46, or at one of the other openings between the lateral sheets.
  • the suction collectors 62 have a slot that extends in vertical direction in proximity of the internal surface of the sheets 31, 32, 33 and 34 and contribute to the cleaning of these sheets and of the space inside the booth.
  • the suction collectors 62 are suitably connected to cyclones 621 for recovery of the powder.
  • the third pressurizing means 63 when present, can also be constituted by pressurizing collectors positioned vertically with slots which extend in a vertical direction. Both in the case of suction and pressurizing, these slots are preferably produced in such a manner that their width is progressively decreasing along the extension of the collector so as to compensate the losses of load and ensure a constant air flow along the whole height of the collector.
  • the pressurizing collectors 63 are appropriately connected to forced air generation means (compressors / fans) which ensure an adequate supply of air to these pressurizing collectors.
  • the pressurizing collectors 63 can be supplied by a filter box located on the roof of the booth. This box can advantageously be supplied with air from the deduster normally present in systems of this type or by a separate fan. Equipment for conditioning and/or dehumidifying the air supply can also be provided according to need.
  • the total balance of air sucked in/issued by said first suction means 61, second suction means 62 and/or third pressurizing means 63, and the air supplied through said first and second dispensing means of the powder paint 51, 52 is such as to determine an overall condition of slight vacuum pressure inside the booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100, in such a manner as to prevent powder from escaping from the booth.
  • the openings 41, 42, 43, 44, 45, and 46 can be produced by several sheets appropriately spaced from one another and consequently will extend for the whole height of the booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100.
  • said openings can be constituted by cuts appropriately produced in the lateral sheets; in this case these openings extend only for a portion of the height of the booth 1, 2, 3, 4, 5, 6, 7, 8, 9, 90 and 100.
  • said sheets 31, 32, 33, 34, 35, 36, 37, and 38 form with the base surface 20 a seventh opening 47 along the perimeter of said base surface 20.
  • said first suction means 61 are positioned at least one portion of said seventh opening 47. In this way, said first suction means 61 act simultaneously both on the base surface 20 and on the lateral sheets 31, 32, 33, 34, 35, 36, 37, and 38, contributing to and ensuring cleaning thereof.
  • suction collectors which almost "contain" the lower end of the lateral sheets can be positioned at said seventh opening.
  • the booth according to the invention is therefore preferably provided with a perimeter suction system at the base surface, which considerably improves the performance of the booth.
  • perimeter suction rather than, for example, central suction, enables the powder issued to "linger” as much as possible in the vicinity of the product.
  • the base surface 20 can be constituted by a fixed structure, or by a horizontal belt. In any case, cleaning thereof is ensured by the position of the first suction means 61.
  • further cleaning means such as suction and/or blowing and/or scraping means, could be provided both on the base surface 20 and on the laterals sheets 31, 32, 33, 34, 35, 36, 37, and 38.
  • said second suction means 62 are positioned substantially opposite relative to said base surface.
  • the suction means 62 are positioned in such a manner as to face the inside of the booth from opposite positions, maximizing the efficiency of suction and minimizing interference of the air flows generated thereby with the flow of powder issued by the first and second dispensing means 51 and 52.
  • said third pressurizing means 63 are positioned at said first 41 and second 42 openings, i.e. at the positions for entry and exit of the parts to be painted in the booth.
  • said sheets 31, 32, 33, 34, 35, 36, 37, and 38 have a closed loop structure having an inner wall facing the inside of said booth and a portion outside said booth.
  • the sheets 31, 32, 33, 34, 35, 36, 37, and 38 are supported by first 310 and second 230 support and movement means respectively positioned in proximity of the top and of the base of said booth.
  • Said support and movement means 310 and 320 are, for example, constituted by rollers that impart a reciprocating or continuous rotation movement to said sheets.
  • the pressurizing means 63 are positioned in the cavity defined by said inner wall and by said outer portion of said sheets.
  • said base surface 20 is substantially quadrangular with a first 21, a second 22, a third 23 and a fourth 24 side, said sheets comprising a first 31 and a second 32 sheet arranged on said first side 21 and forming said first opening 41, a third 33 and a fourth 34 sheet arranged on said second side 22, opposite and substantially parallel to said first side 21, and forming said second opening 42, a fifth 35 and a sixth 36 sheet arranged on said third side 23, substantially perpendicular to said first 21 and second 22 side, and forming said third opening 43, a seventh 37 and an eighth 38 sheet, arranged on said fourth side 24, opposite and substantially parallel to said third side 23, and forming said fourth opening 44.
  • the products to be treated enter the space inside the booth, normally hanging from an overhead conveyor, and are subjected for the entire length thereof to the painting operation through the dispensing means 51 and 52.
  • the dispensing means 51 and 52 are positioned substantially symmetrically with respect to the transverse axis of the space inside the booth and their travel is advantageously adjusted so that the whole surface of the product is treated.
  • a particular embodiment of the self-cleaning paint booth according to the invention, illustrated in figures 16 and 17, is particularly suitable when the products to be painted need to be re-touched outside the paint booth.
  • the self-cleaning paint booth 9 and 90 in the self-cleaning paint booth 9 and 90 at least one of said sheets extends outside said booth and defines at least a first space 151 for finishing touches or pre- touches of said products.
  • the self-cleaning paint booth 9 and 90 comprises a ninth sheet 39 extending outside said booth and defining a first space 151 for finishing touches of said products and a tenth sheet 390 extending outside said booth and defining a second space 152 for pre-touches of said products, said first 151 and second 152 space being positioned on opposite sides of said booth in correspondence of said first 41 and second 42 opening.
  • the self-cleaning paint booth 90 may also comprise suction means 620 positioned in correspondence of said first 151 and/or second 152 space. Further sheets 391 and 392 may also be present to help containment of the coating powder in said 151 and/or second 152 space.
  • the present invention also relates to a suitable configuration of the means 51 and 52 for dispensing powder paint and to appropriate movement thereof by means of the respective movement means 511 and 521.
  • said first 511 and second 521 movement means are adapted to move said first 51 and second 52 dispensing means to a first operating position and to position said first 51 and second 52 dispensing means in a second rest/emptying/maintenance position differing from said first operating position.
  • Said movement means can be activated by a single actuator, for example a motor, or can be provided with independent actuators, for each block or for each gun.
  • the first 511 and second 521 movement means allow the reciprocating movement in vertical direction of the dispensing means 51 and 52 along a predetermined operating path, for example by means of a reciprocator.
  • the dispensing means 51 and 52 of each of the two groups are returned to a rest position by means of said first and second movement means 511 and 522, said rest position being located in proximity of said base surface 20.
  • said first and second dispensing means 51 and 52 respectively comprise a plurality of guns aligned along a first and a second vertical axis, said guns being spaced from one another at a first distance when positioned in a first operating position and spaced at a second distance, less than said first distance, when positioned in a second rest/emptying/maintenance position.
  • the guns are arranged along one or more vertical blocks that extend for the whole height of the part to be painted and are spaced from one another and moved in such a manner as to cover at least a portion of the length of the part to be painted.
  • the movement means carry the guns in proximity of the base surface "lowering them” and superimposing them in proximity to one another.
  • This last operation can, for example, be carried out using suitable ring blowers or air blades positioned around the guns, which enable powder to be removed from the outer surface of the guns.
  • the suction means of the lateral sheets are provided with one or more openings controlled, for example, by appropriate valves, positioned under the base surface of the booth.
  • the dispensing means are positioned at said openings, optionally being inserted more or less completely, to enable emptying and cleaning thereof.
  • ring blowers or air blades positioned around the guns are no longer necessary, provided that the suction power is sufficient also for cleaning the guns.
  • said first and second movement means 511 and 521 are adapted to impart to said dispensing means 51, 52 a first movement of translation along a substantially vertical axis, a second movement of translation along a substantially horizontal axis, and optionally a third movement of rotation relative to said first substantially vertical axis.
  • the first movement of translation enables, for example, movement during the painting operation and the operation to lower the guns;
  • the second translation movement enables the guns to be moved forward or withdrawn in relation to the inside of the booth, for example during the emptying and cleaning operations;
  • the third rotation movement enables the dispensing angle to be varied as a function of the requirements and of the geometry of the part to be painted.
  • a typical colour change operation can therefore be carried out by withdrawing the guns from the booth and lowering them in proximity of the base surface of the booth. Emptying can be carried out in a specific suction collector or, preferably, in one of the suction means arranged at the base surface, for example in the suction means of the lateral sheets provided with openings controlled by means of suitable valves positioned under the base surface of the booth, by moving the guns forward into said valves. After emptying the guns are withdrawn from the valve, or in any case from the suction means, repositioned at height and moved forward in the booth.
  • the guns of one block can be arranged aligned relative to the guns of the adjacent block, as shown in figure 13, or staggered relative thereto, as shown in figure 14 and 15.
  • a further horizontal translation movement of the guns of the two adjacent blocks can be provided, so that they are superimposed along a same vertical axis, to form a single block with double the number of guns relative to the original configuration.
  • said first 51 and second 52 dispensing means respectively comprise a plurality of guns aligned in a first operating position along a first and a second horizontal axis, said guns being mutually spaced at a first distance when positioned in a first operating position and spaced at a second distance, less than said first distance, when positioned in a second rest/emptying/maintenance position.
  • the first and second movement means can be advantageously adapted to impart to said first and second dispensing means a rotational movement so as to align said plurality of guns along a first and a second substantially vertical axis, as illustrated by the thick arrows in figure 18.
  • the first and second movement means can then impart a second movement of translation along a substantially horizontal axis so as to withdraw said plurality of guns from said booth, and a third movement of translation so as to position said plurality of guns in said second rest/emptying/maintenance position.
  • figure 18 has been illustrated with reference to the lay out of the paint booth of figure 7. It is however possible to use such arrangement of the dispensing means and movement means also in other paint booth configurations.
  • the positioning of the dispensing means, as well as the path of the products inside the paint booth can be adapted according to the needs.
  • booth of the present invention Another important result achieved with the booth of the present invention is optimization of the movement means of the means for dispensing the powder paint.
  • the booth according to the invention allows all maintenance, emptying and colour change operations to be carried out in proximity of the base surface. This enables a reduction in the mechanical complexity of the booth and a decrease in the installation and maintenance costs of the booth itself and of the plant associated therewith.
  • booths provided with self-cleaning sheets on all perimetral and bottom walls are not known.
  • booths with sheets, provided with dispensing means arranged aligned on one or more opposite vertical blocks are not currently known.
  • the booth according to the present invention may advantageously be used in painting plants for products.

Landscapes

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

Abstract

L'invention concerne une cabine de peinture autonettoyante (1-9, 90, 100) pour l'application de peinture en poudre sur des plantes comprenant : une structure de support (10), une surface base (20), une pluralité de feuilles (31-39, 390, 391) constituant les parois latérales de ladite cabine (1-9, 90, 100), lesdites feuilles (31-39, 390, 391) formant une première (41) et une deuxième (42) ouverture pour l'entrée et la sortie desdits produits de la cabine, et une troisième (43) et une quatrième (44) ouverture par lesquelles un premier (51) et un deuxième moyen (52) de distribution de la peinture en poudre font face à l'intérieur de ladite cabine à partir de directions pratiquement opposées, lesdits premier (51) et deuxième (52) moyens de distribution de la peinture en poudre étant dotés respectivement d'un premier (511) et d'un deuxième (512) moyen de mouvement, ladite cabine comprenant aussi un premier moyen d'aspiration (61) situé sur ladite surface base (20), un deuxième moyen d'aspiration (62) et/ou un troisième moyen de mise sous pression (63) qui s'étendent verticalement au niveau d'une cinquième (45) et d'une sixième (46) ouverture formée par lesdites feuilles (31-39, 390, 391).
PCT/EP2011/074195 2010-12-28 2011-12-28 Cabine de peinture pour peindre des plantes pour des produits Ceased WO2012089787A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBG2010A000068 2010-12-28
ITBG2010A000068A IT1403188B1 (it) 2010-12-28 2010-12-28 Cabina di verniciatura per impianti di verniciatura di manufatti.

Publications (1)

Publication Number Publication Date
WO2012089787A1 true WO2012089787A1 (fr) 2012-07-05

Family

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Family Applications (2)

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PCT/EP2011/074195 Ceased WO2012089787A1 (fr) 2010-12-28 2011-12-28 Cabine de peinture pour peindre des plantes pour des produits
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ITUB20151964A1 (it) * 2015-07-03 2017-01-03 Euroimpianti S R L Cabina per la verniciatura a polveri
CN113663846A (zh) * 2021-10-08 2021-11-19 安徽柳溪智能装备有限公司 液体涂装生产线
CN113924170A (zh) * 2019-06-21 2022-01-11 塞弗拉合作社 用于在大体平坦的部件上施用涂料的设备

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CN103990572B (zh) * 2014-05-13 2017-01-04 裕东（中山）机械工程有限公司 一种用于喷枪外部清理的底部隐蔽式清理仓
CN114178113B (zh) * 2021-12-20 2023-04-07 中建新疆建工（集团）有限公司 一种钢结构用装饰涂料喷涂装置及喷涂方法
CN118080240B (zh) * 2024-04-28 2024-08-20 徐州冠华机械制造有限公司 一种配重块加工用喷漆装置

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ITUB20151964A1 (it) * 2015-07-03 2017-01-03 Euroimpianti S R L Cabina per la verniciatura a polveri
WO2017006220A1 (fr) * 2015-07-03 2017-01-12 Euroimpianti S.R.L. Cabine de peinture en poudre
CN113924170A (zh) * 2019-06-21 2022-01-11 塞弗拉合作社 用于在大体平坦的部件上施用涂料的设备
CN113924170B (zh) * 2019-06-21 2023-06-20 塞弗拉合作社 用于施用涂料的设备及其清洁方法
CN113663846A (zh) * 2021-10-08 2021-11-19 安徽柳溪智能装备有限公司 液体涂装生产线
CN113663846B (zh) * 2021-10-08 2022-08-23 安徽柳溪智能装备有限公司 液体涂装生产线

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EP2658660A1 (fr) 2013-11-06
ITBG20100068A1 (it) 2012-06-29
WO2012089789A1 (fr) 2012-07-05

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