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ITPN20080076A1 - APPARATUS FOR HOLDING AND RECOVERY OF PAINT DISPENSED DURING PAINTING IN PAINTING SYSTEMS OF VARIOUS TYPES OF PRODUCTS. - Google Patents

APPARATUS FOR HOLDING AND RECOVERY OF PAINT DISPENSED DURING PAINTING IN PAINTING SYSTEMS OF VARIOUS TYPES OF PRODUCTS. Download PDF

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Publication number
ITPN20080076A1
ITPN20080076A1 IT000076A ITPN20080076A ITPN20080076A1 IT PN20080076 A1 ITPN20080076 A1 IT PN20080076A1 IT 000076 A IT000076 A IT 000076A IT PN20080076 A ITPN20080076 A IT PN20080076A IT PN20080076 A1 ITPN20080076 A1 IT PN20080076A1
Authority
IT
Italy
Prior art keywords
paint
painting
products
plates
booth
Prior art date
Application number
IT000076A
Other languages
Italian (it)
Inventor
Giulio Vidali
Original Assignee
Vidali Impianti 2 Srl
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 Vidali Impianti 2 Srl filed Critical Vidali Impianti 2 Srl
Priority to ITPN2008A000076A priority Critical patent/IT1393570B1/en
Publication of ITPN20080076A1 publication Critical patent/ITPN20080076A1/en
Application granted granted Critical
Publication of IT1393570B1 publication Critical patent/IT1393570B1/en

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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
    • 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
    • B05B14/46—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
    • B05B14/465—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material using substantially vertical liquid curtains or wetted walls behind the object to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • 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
    • B05B14/41—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by cleaning the walls of 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
    • B05B16/00—Spray booths
    • B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • B01D45/10—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators which are wetted
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Coating Apparatus (AREA)

Description

Descrizione Description

“APPARECCHIO PER IL TRATTENIMENTO ED IL RECUPERO DELLA VERNICE DISPERSA DURANTE LA VERNICIATURA IN IMPIANTI DI VERNICIATURA DI PRODOTTI DI VARIO GENERE†⠀ œEQUIPMENT FOR THE HOLDING AND RECOVERY OF PAINT DISPERSED DURING PAINTING IN PAINTING PLANTS OF VARIOUS KIND OF PRODUCTSâ €

L'invenzione riguarda un apparecchio per il trattenimento ed il recupero della vernice dispersa durante la verniciatura in impianti di verniciatura di prodoti metallici, di legno, di plastica, ecc.. di vario genere, come ad esempio serramenti, mobili e componenti di mobili di vario genere, ed altri generi di prodotti. The invention relates to an apparatus for retaining and recovering the paint dispersed during painting in painting systems for metal, wood, plastic products, etc. of various kinds, such as for example doors and windows, furniture and furniture components of various kinds, and other kinds of products.

Per trattenere e recuperare la vernice dispersa durante la verniciatura in impianti di verniciatura di prodotti dei generi sopra descritti, sono noti sistemi di tratenimento e di recupero di vario genere, costituiti generalmente da nastri di raccolta ad avanzamento continuo unidirezionale, oppure da pareti raffreddate, disposti nelle relative cabine di verniciatura degli impianti specificati, in posizione frontale all’unità di spruzzatura della vernice normalmente presente nelle cabine stesse per determinare la verniciatura dei prodotti. In order to retain and recover the paint dispersed during painting in painting systems for products of the types described above, various types of holding and recovery systems are known, generally consisting of collection belts with continuous unidirectional advancement, or of cooled walls, arranged in the relative painting booths of the specified systems, in front of the paint spraying unit normally present in the booths themselves to determine the coating of the products.

Negli impianti di verniciatura così realizzati, questa disposizione dei sistemi di trattenimento e di recupero della vernice riduce in misura considerevole la superficie della bocca d’aspirazione dei sistemi d’aspirazione della vernice dispersa, associati con la cabina di verniciatura suddetta, diminuendo così il potere aspirante del sistema di aspirazione usato e quindi la quantità di vernice dispersa che viene aspirata e scaricata esternamente alla cabina dell’impianto stesso, e ciò a causa del fato che questi sistemi di trattenimento e di recupero della vernice sono formati in genere da pareti cieche, poste per l’appunto fra l’unità di spruzzatura della vernice ed il relativo sistema aspirazione, ostruendo così parzialmente la superficie della bocca d’aspirazione e lasciando scoperti solo alcuni spazi laterali per il passaggio della vernice nebulizzata in sospensione che non si à ̈ depositata sui prodotti da verniciare, ed in queste zone si creano delle turbolenze che limitano l’aspirazione, per cui la vernice nebulizzata non aspirata si disperde nell’ambiente interno della cabina, sporcandolo e rendendolo insalubre e pericoloso per le persone addette alla gestione e manutenzione de impianto di verniciatura. In the painting systems created in this way, this arrangement of the paint retention and recovery systems considerably reduces the surface of the suction mouth of the dispersed paint suction systems, associated with the aforementioned painting booth, decreasing thus the suction power of the suction system used and therefore the quantity of dispersed paint that is sucked and discharged outside the booth of the plant itself, and this is due to the fact that these systems of retention and recovery of the paint are formed in generally by blind walls, placed precisely between the paint spraying unit and the relative suction system, thus partially obstructing the surface of the suction mouth and leaving only some lateral spaces uncovered for the passage of the paint spray mist in suspension that has not been deposited on the products to be painted, and in these areas turbulence is created which limit suction, so that the non-aspirated nebulized paint is dispersed in the interior of the booth, dirtying it and making it unhealthy and dangerous for the people involved in the management and maintenance of the painting system.

Lo scopo della presente invenzione à ̈ realizzare un apparecchio per il trattenimento ed il recupero della vernice dispersa durante la verniciatura, di costruzione semplice, che elimini questo problema di insufficiente aspirazione e di creazione di turbolenze, facilitando il trattenimento ed il recupero della vernice nebulizzata dispersa e rendendo l'ambiente circostante più salutare. The purpose of the present invention is to realize an apparatus for the retention and recovery of the dispersed paint during painting, of simple construction, which eliminates this problem of insufficient suction and creation of turbulence, facilitating the retention and recovery of the dispersed sprayed paint. and making the surrounding environment healthier.

Questo apparecchio di trattenimento e di recupero della vernice à ̈ realizzato con le caratteristiche costruttive sostanzialmente descritte, con particolare riferimento alle allegate rivendicazioni. This paint retention and recovery apparatus is made with the construction characteristics substantially described, with particular reference to the attached claims.

La presente invenzione verrà meglio compresa dalla seguente descrizione, a solo scopo esemplificativo non limitativo, e con riferimento agli uniti disegni in cui: The present invention will be better understood from the following description, by way of non-limiting example only, and with reference to the accompanying drawings in which:

- la fig. 1 mostra una vista prospettica frontale di un apparecchio di trattenimento e di recupero di vernice conforme all’invenzione, montato in un impianto di verniciatura di prodotti di tipo tradizionale ; - fig. 1 shows a front perspective view of a paint retention and recovery apparatus according to the invention, mounted in a traditional type product coating plant;

- la fig. 2 mostra una vista frontale dell’ apparecchio di trattenimento e di recupero vernice e dell’impianto di verniciatura della fig. 1 ; - fig. 2 shows a front view of the paint retention and recovery apparatus and of the painting system of fig. 1;

- la fig. 3 mostra una vista laterale dell’apparecchio di trattenimento e di recupero vernice e deH’impianto di verniciatura della fig. 1 ; - fig. 3 shows a side view of the paint retention and recovery apparatus and of the painting system of fig. 1;

-la fig. 4 mostra una vista prospettica frontale del solo apparecchio di trattenimento e di recupero ernice della fig. 1. - fig. 4 shows a front perspective view of the only device for holding and recovering the paint of fig. 1.

elle suddette figure, viene rappresentato un apparecchio 6 conforme all'invenzione, atto a tratenere e recuperare la vernice dispersa durante la verniciatura in un impianto di verniciata di prodotti metallici, di legno, di plastica, ecc... di vario genere, come ad esempio serramenti, mobili e componenti di mobili di vario genere, ed altri generi di prodotti. Nei suddetti disegni, inoltre, si nota che il presente apparecchio di tratenimento e di recupero vernice 6, che à ̈ realizzato come verrà descritto, viene inserito e montato nella cabina di verniciatura 7 dell’impianto di verniciatura, in una posizione posteriore ai prodotti da verniciare (non mostrati), che vengono posizionati manualmente o trasportati da un impianto trasportatore orizzontale 9 noto in sé, con un avanzamento continuo nel senso trasversale alla cabina di verniciatura ed ortogonale al senso di spruzzatura della A della vernice sui prodotti stessi da parte della tradizionale unità di spruzzatura 10 deirimpianto di verniciatura (vedi fig. 3), pure montato nella cabina di verniciatura 7. in the aforementioned figures, an apparatus 6 according to the invention is shown, suitable for retaining and recovering the paint dispersed during painting in a system for painting metal, wood, plastic products, etc ... of various kinds, such as for example windows, furniture and components of various kinds of furniture, and other kinds of products. Furthermore, in the aforementioned drawings, it is noted that the present paint retention and recovery device 6, which is made as described, is inserted and mounted in the painting booth 7 of the painting plant, in a position behind the products. to be painted (not shown), which are positioned manually or transported by a horizontal conveyor system 9 known per se, with a continuous advance in the direction transversal to the spray booth and perpendicular to the direction of spraying of the paint A on the products themselves by of the traditional spray unit 10 of the painting system (see fig. 3), also mounted in the spray booth 7.

Tale apparecchio di trattenimento e di recupero di vernice, in particolare, viene montato in una posizione intermedia della cabina di verniciatura 7, definendo così nella cabina una camera di verniciatura anteriore 11 in cui la vernice viene spruzzata dall’unità di spruzzatura 10 sui prodotti in transito attraverso la cabina stessa, ed una camera d’aspirazione posteriore 12, separata dalla camera anteriore 11, in cui l’aria e l’eventuale vernice nebulizzata residua, non trattenuta dall’apparecchio di trattenimento e di recupero, viene aspirata dal tradizionale impianto di aspirazione 13, che à ̈ costituito da un aspiratore 14 montato sulla copertura superiore 15 della cabina di verniciatura 7 e dotato di un condotto d’aspirazione 16 comunicante con la tale camera posteriore 12 della cabina stessa. L’apparecchio di trattenimento e di recupero della vernice à ̈ sostanzialmente composto da un telaio scatolare 17 (vedi fig. 4), avente dimensioni tali da adattarsi internamente alla cabina di verniciatura 7 e formato da due pareti rettilinee verticali 18 e 19 parallele e distanziate fra loro, e da una copertura piana superiore 20 e da un fondo piano 21 , uniti alle relative estremità di tali pareti verticali 18 e 19, deto telaio scatolare essendo inoltre delimitato da una parete verticale piana e frontale 22 e da una parete verticale piana posteriore 23. Sul fondo piano 21 à ̈ fissata una vasca 24 per la raccolta della vernice dispersa, con un adeguato volume di contenimento, ai cui lati sono disposte e fissate due piastre di convogliamento di forma scatolare 25 e 26, uguali e e opposte fra loro, dotate di una relativa parete superiore 27 e 28 inclinata verso il basso e disposta sopra la vasca di raccolta 24, per raccogliere la vernice dispersa nel modo che verrà descritto e convogliarla verso la vasca stessa. This paint retention and recovery device, in particular, is mounted in an intermediate position of the painting booth 7, thus defining in the booth a front painting chamber 11 in which the paint is sprayed by the spraying unit 10 on the products in transit through the booth itself, and a rear suction chamber 12, separated from the front chamber 11, in which the air and any residual nebulized paint, not retained by the holding and recovery device , is aspirated by the traditional aspiration system 13, which is constituted by an aspirator 14 mounted on the upper cover 15 of the painting booth 7 and equipped with an aspiration duct 16 communicating with said rear chamber 12 of the booth itself. The paint retention and recovery apparatus is substantially composed of a box-like frame 17 (see fig. 4), having such dimensions as to adapt internally to the painting booth 7 and formed by two parallel and vertical rectilinear walls 18 and 19. spaced apart, and by an upper flat cover 20 and a flat bottom 21, joined to the relative ends of said vertical walls 18 and 19, said box-like frame being further delimited by a flat and front vertical wall 22 and by a flat vertical wall 23. On the flat bottom 21 there is fixed a tank 24 for collecting the dispersed paint, with an adequate containment volume, on the sides of which are arranged and fixed two conveying plates 25 and 26, equal and opposite to each other. , equipped with a relative upper wall 27 and 28 inclined downwards and arranged above the collection tank 24, to collect the dispersed paint in the manner that will be described and convo glue it towards the tub itself.

Tra le pareti verticali 18 e 19 del telaio scatolare 17 à ̈ fissata una serie di piastre piane 29, parallele e distanziate fra loro, nell’ esempio illustrato formate da due piastre piane, le quali sono inclinate dall’alto verso il basso e sfalsate fra loro, delimitando fra esse delle aperture passanti 30, e l’inclinazione delle piastre à ̈ tale che la vernice che viene spruzzata dall’unità di spruzzatura 10 e che non si deposita sui prodotti da verniciare vada a colpire le contrapposte superfici frontali delle piastre e non pervenga nella camera posteriore 12 della cabina di verniciatura 7, e scivoli verso il basso lungo la relativa superfìcie frontale di tali piastre, cadendo poi sulle piastre di convogliamento scatolari 25 e 26, da dove tale vernice recuperata ricade infine nella vasca di raccolta 24. Between the vertical walls 18 and 19 of the box-like frame 17 there is fixed a series of flat plates 29, parallel and spaced apart, in the illustrated example formed by two flat plates, which are inclined from the top to the bottom and offset from each other, delimiting between them some through openings 30, and the inclination of the plates is such that the paint which is sprayed by the spraying unit 10 and which does not deposit on the products to be painted hits the opposite surfaces of the plates and does not reach the rear chamber 12 of the spray booth 7, and slides downwards along the relative front surface of these plates, then falling onto the box-shaped conveying plates 25 and 26, from where the recovered paint finally falls in the collecting tank 24.

La vernice dispersa nebulizzata che si deposita sulle superfici frontali delle piastre inclinate 29 può scivolare verso il basso e non rimanere attaccata alle superfici stesse, e neppure di essiccarsi, nel primo caso grazie al fatto di trattare preliminarmente le superfici stesse con particolari materiali antiaderenti, di tipo noto in sé, che facilitano inoltre lo scivolamento verso il basso della vernice recuperata, e nel secondo caso distribuendo su queste superfici frontali del solvente compatibile finemente nebulizzato, circolante attraverso condutture rettilinee 31, fissate ad idonei supporti e collegate ad una rete esterna (non mostrata), nelle quali condutture sono montate delle serie di ugelli nebulizzatori 32, atti a dirigere getti di solvente nebulizzato sulla vernice depositata su tali superfici frontali, facilitandone il distacco ed impedendo così l’aderenza della vernice su queste superfici e la loro conseguente essiccazione, The sprayed dispersed paint deposited on the front surfaces of the inclined plates 29 can slide downwards and not remain attached to the surfaces themselves, or even dry out, in the first case thanks to the preliminary treatment of the surfaces themselves with particular non-stick materials. a known type per se, which also facilitate the downward sliding of the recovered paint, and in the second case by distributing on these front surfaces a finely atomized compatible solvent, circulating through straight pipes 31, fixed to suitable supports and connected to an external network ( not shown), in which ducts are mounted series of nebulizing nozzles 32, designed to direct jets of nebulized solvent on the paint deposited on these front surfaces, facilitating their detachment and thus preventing the adhesion of the paint on these surfaces and their consequent drying,

La vernice che si raccoglie nella vasca 24 viene poi recuperata manualmente, indi viene filtrata e riutilizzata, nel caso in cui si tratti di vernice all’acqua ; se invece tale vernice à ̈ formulata con bicomponenti, e quindi non può venire recuperata, la stessa viene eliminata, e comunque offre il vantaggio di non consentire di sporcare i filtri della cabina di verniciatura e di permettere di facilmente ed agevolmente l’apparecchio di trattenimento e di recupero vernice conforme all’invenzione. Infine, grazie alla presenza delle piastre inclinate sfalsate fra loro, l’aspirazione prodotta dall’aspiratore 14 determina una corrente continua d’aria dalla camera anteriore 11, attraverso le aperture passanti 30, verso la camera posteriore 12 della cabina stessa, senza che si creino delle turbolenze, evitando così che la vernice dispersa si propaghi per tutto l'ambiente lavorativo rendendolo insalubre. The paint that collects in the tank 24 is then recovered manually, then filtered and reused, in the case of water-based paint; if, on the other hand, this paint is formulated with two components, and therefore cannot be recovered, it is eliminated, and in any case offers the advantage of not allowing the filters of the spray booth to dirty and allowing the appliance to be easily and easily retention and recovery of paint conforming to the invention. Finally, thanks to the presence of the inclined plates offset from each other, the suction produced by the aspirator 14 determines a continuous flow of air from the front chamber 11, through the through openings 30, towards the rear chamber 12 of the cabin itself, without creating turbulence, thus preventing the dispersed paint from spreading throughout the working environment making it unhealthy.

Claims (4)

“APPARECCHIO PER IL TRATTENIMENTO ED IL RECUPERO DELLA VERNI DISPERSA DURANTE LA VERNICIATURA IN IMPIANTI DI VERNICIATURA DI PRODOTTI DI VARIO GENERE†RIVENDICAZIONI 1. Apparecchio per il trattenimento ed il recupero della vernice dispersa durante la verniciatura in impianti di verniciatura di prodotti di vario genere, come prodotti metallici, di legno, di plastica ecc.., come ad esempio serramenti, mobili e componenti di mobili di vario genere ed altri generi di prodotti, in cui ogni impianto di verniciatura comprende una cabina di verniciatura dotata di almeno un’unità per la spruzzatura della vernice sui prodotti in transito attraverso la cabina stessa, convogliati manualmente o con un avanzamento continuo in un unico senso da un impianto trasportatore di tipo tradizionale, pure montato nella detta cabina, l’impianto di verniciatura comprendendo inoltre mezzi di aspirazione dell’aria della cabina di verniciatura, l’apparecchio essendo caratterizzato da mezzi di sostegno (17) montati entro detta cabina di verniciatura (7), suddividendola in una camera di verniciatura anteriore (11) in cui la vernice viene spruzzata sui prodotti in transito, ed una camera d’aspirazione posteriore (12), separata dalla camera precedente e comunicante con detti mezzi d’aspirazione (14, 16), detti mezzi di sostegno (17) essendo provvisti di mezzi d’intercettazione della vernice (29), atti a ricevere la vernice nebulizzata dispersa durante la spruzzatura, impedendone la penetrazione entro detta camera posteriore d’aspirazione (12), e provvisti inoltre di mezzi di convogliamento (25, 26) e di mezzi di raccolta (24) della vernice dispersa nebulizzata, comunicanti fra loro e con detti mezzi di 29), ed atti rispettivamente a convogliare verso il basso la vernice ricevuta da detti mezzi d’intercettazione (29) ed a raccogliere ed eventualmente recuperare la vernice. â € œEQUIPMENT FOR THE RETENTION AND RECOVERY OF PAINT DISPERSED DURING PAINTING IN PAINTING PLANTS OF VARIOUS PRODUCTSâ € CLAIMS 1. Apparatus for retaining and recovering the paint dispersed during painting in painting systems for various types of products, such as metal, wood, plastic products, etc., such as windows, furniture and various furniture components kind and other kinds of products, in which each painting plant includes a painting booth equipped with at least one unit for spraying the paint on the products in transit through the booth itself, conveyed manually or with a continuous advancement in a single direction from a traditional type conveyor system, also mounted in said booth, the painting system furthermore comprising means for sucking the air of the painting booth, the apparatus being characterized by support means (17) mounted inside said painting booth (7), dividing it into a front painting chamber (11) in which the paint is sprayed on the products in transit and a rear suction chamber (12), separated from the previous chamber and communicating with said suction means (14, 16), said support means (17) being provided with means for intercepting the paint (29), suitable for receiving the atomized paint dispersed during spraying, preventing its penetration into said rear suction chamber (12), and also equipped with conveying means (25, 26) and collection means (24) of the atomized dispersed paint, communicating with each other and with said means of 29), and respectively suitable for conveying the paint received by said interception means (29) downwards and for collecting and possibly recovering the paint. 2. Apparecchio di recupero vernice secondo la rivendicazione 1, caratterizzato dal fatto che detti mezzi di sostegno comprendono un telaio scatolare (17) adattabile e fissabile internamente a detta cabina di verniciatura (7) e formato da due pareti rettilinee verticali (18, 19), parallele e distanziate fra loro, e da una copertura piana superiore (20) e da un fondo piano (21), uniti alle relative estremità di dette pareti verticali (18, 19), 2. Paint recovery apparatus according to claim 1, characterized in that said support means comprise a box-shaped frame (17) which can be adapted and fixed internally to said painting booth (7) and formed by two vertical rectilinear walls (18, 19) , parallel and spaced apart from each other, and by an upper flat roof (20) and a flat bottom (21), joined to the relative ends of said vertical walls (18, 19), 3. Apparecchio recupero vernice secondo la rivendicazione 2, caratterizzato dal fatto che detti mezzi d’intercettazione della vernice comprendono una serie di piastre piane (29), parallele e distanziate verticalmente fra loro, le quali sono inclinate dall’alto verso il basso e sfalsate fra loro, delimitando fra esse delle aperture passanti (30), con inclinazioni tali che la vernice spruzzata dispersa non depositata sui prodotti vada a colpire le contrapposte superfici frontali delle piastre stesse e non pervenga entro detta camera d’aspirazione posteriore (12), mentre l’aria della cabina aspirata da detti mezzi d’aspirazione (14) venga fatta circolare attraverso dette aperture passanti (30). 3. Paint recovery apparatus according to claim 2, characterized by the fact that said means of interception of the paint comprise a series of flat plates (29), parallel and spaced vertically from each other, which are inclined from top to bottom and offset from each other, delimiting between them some through openings (30), with inclinations such that the dispersed sprayed paint not deposited on the products hits the opposite front surfaces of the plates themselves and does not reach the rear suction chamber (12 ), while the cabin air sucked by said suction means (14) is made to circulate through said through openings (30). 4. Apparecchio secondo la rivendicazione 3, caratterizzato dal fatto che dette piastre inclinate (29) sono ricoperte di materiali antiaderenti di tipo noto in sé, che facilitano lo scivolamento verso il basso della vernice raccolta depositata, impedendo alla stessa di attaccarsi sulle relative superfici delle piastre stesse, e caratterizzato inoltre dal fatto che dette piastre inclinate (29) vengono sottoposte a getti di solvente compatibile finemente nebulizzato, circolante attraverso condutture (31) fissate ad idonei supporti e collegate ad una rete esterna, e spruzzato attraverso ugelli nebulizzatori (32) montati in dette condutture (31), facilitando così il distacco della vernice ed impedendone l’aderenza su tali superfici, e la sua conseguente essiccazione. convogliamento comprendono due piastre di convogliamento scatolari (25, 26) dotate di relativa parete superiore (27, 28) inclinata verso il basso e disposte sotto a dette piastre inclinate (29), e detti mezzi di raccolta comprendono una vasca di raccolta (24) con un adeguato volume di contenimento, disposta sotto a dette piastre di convogliamento scatolari (25, 26), e nella quale viene raccolta la vernice dispersa gocciolante da dette piastre inclinate (29) e convogliata da dette piastre di convogliamento scatolari (25, 26).4. Apparatus according to claim 3, characterized in that said inclined plates (29) are covered with non-stick materials of a per se known type, which facilitate the downward sliding of the collected paint deposited, preventing it from sticking to the relative surfaces of the plates themselves, and also characterized by the fact that said inclined plates (29) are subjected to jets of finely nebulized compatible solvent, circulating through pipes (31) fixed to suitable supports and connected to an external network, and sprayed through nebulizing nozzles (32 ) mounted in said pipes (31), thus facilitating the detachment of the paint and preventing it from adhering to such surfaces, and its consequent drying. conveyance comprise two box-shaped conveying plates (25, 26) equipped with relative upper wall (27, 28) inclined downwards and arranged under said inclined plates (29), and said collection means comprise a collection tank (24) with an adequate containment volume, arranged under said box-shaped conveying plates (25, 26), and in which the dispersed paint dripping from said inclined plates (29) is collected and conveyed by said box-shaped conveying plates (25, 26) .
ITPN2008A000076A 2008-10-22 2008-10-22 APPARATUS FOR HOLDING AND RECOVERY OF PAINT DISPENSED DURING PAINTING IN PAINTING SYSTEMS OF VARIOUS TYPES OF PRODUCTS. IT1393570B1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913085A (en) * 1985-01-01 1990-04-03 Esb Elektorstatische Spruh-Und Beschichtungsanlagen G.F. Vohringer Gmbh Coating booth for applying a coating powder to the surface of workpieces
EP0375357A1 (en) * 1988-12-22 1990-06-27 Protectaire Systems Company Disposable baffle system and method
DE3923437A1 (en) * 1989-07-15 1991-01-24 Leopold Hoechsmann Gmbh Procedure and device for lacquering - in which air is exhausted from lacquering booth through falling liq. curtain to reduce contamination of the booth walls
DE4225503A1 (en) * 1992-08-01 1994-02-03 Adolf Brockmann Appts. to separate solids and fluids from a gas - has a deflection system where paint spray aerosol is drawn through by a suction fan
EP0884083A1 (en) * 1995-12-06 1998-12-16 Kansai Paint Co., Limited System for collecting and recovering paint mist, and method therefor
JP2003144993A (en) * 2001-11-13 2003-05-20 Ts Toso Gijutsu Kenkyusho:Kk Coating booth system for water-base coating

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913085A (en) * 1985-01-01 1990-04-03 Esb Elektorstatische Spruh-Und Beschichtungsanlagen G.F. Vohringer Gmbh Coating booth for applying a coating powder to the surface of workpieces
EP0375357A1 (en) * 1988-12-22 1990-06-27 Protectaire Systems Company Disposable baffle system and method
DE3923437A1 (en) * 1989-07-15 1991-01-24 Leopold Hoechsmann Gmbh Procedure and device for lacquering - in which air is exhausted from lacquering booth through falling liq. curtain to reduce contamination of the booth walls
DE4225503A1 (en) * 1992-08-01 1994-02-03 Adolf Brockmann Appts. to separate solids and fluids from a gas - has a deflection system where paint spray aerosol is drawn through by a suction fan
EP0884083A1 (en) * 1995-12-06 1998-12-16 Kansai Paint Co., Limited System for collecting and recovering paint mist, and method therefor
JP2003144993A (en) * 2001-11-13 2003-05-20 Ts Toso Gijutsu Kenkyusho:Kk Coating booth system for water-base coating

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