EP3205406B1 - Maschine zur besprühung von lacke oder pulver auf den oberflächen von gegenständen - Google Patents

Maschine zur besprühung von lacke oder pulver auf den oberflächen von gegenständen Download PDF

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Publication number
EP3205406B1
EP3205406B1 EP17155166.6A EP17155166A EP3205406B1 EP 3205406 B1 EP3205406 B1 EP 3205406B1 EP 17155166 A EP17155166 A EP 17155166A EP 3205406 B1 EP3205406 B1 EP 3205406B1
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EP
European Patent Office
Prior art keywords
machine
guide means
supporting structure
carriage
pair
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Active
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EP17155166.6A
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English (en)
French (fr)
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EP3205406A1 (de
Inventor
Claudio Lovato
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Maema Srl Unipersonale
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Maema Srl Unipersonale
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Priority to PL17155166T priority Critical patent/PL3205406T3/pl
Publication of EP3205406A1 publication Critical patent/EP3205406A1/de
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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
    • B05B13/04—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
    • B05B13/0431—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 spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to three-dimensional [3D] surfaces
    • 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
    • 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
    • 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
    • B05B13/0436—Installations or apparatus for applying liquid or other fluent material to elongated bodies, e.g. light poles, pipes

Definitions

  • the present invention generally addresses surface treatments of articles of manufacture, and particularly relates to a machine for spraying paints or powders onto the surfaces of such articles.
  • the products to be sprayed may include paints designed to impart a particular aesthetic effect or protective products such as anticorrosion and antioxidant agents in liquid or powder form, or mixtures thereof.
  • Spraying is carried out by an operator in a cabin in which the article is placed, using conventional manual equipment, such as compressed-air spray guns.
  • a first drawback of this process is that it is not automated, and requires very long processing times in a particularly harmful work environment.
  • Chinese patent CN201907357 discloses a machine for spraying concrete slabs comprising a tilting plate for supporting the slabs and a crossbeam moving above the plane along appropriate longitudinal guides.
  • a carriage is mounted to the beam and is adapted to support a spray head having a respective nozzle for delivering a jet of paint onto the slab being processed.
  • a first drawback of this prior art arrangement is that the structure comprises a mechanism for pivoting the slab supporting plate that is rather complex, to prevent or limit the movement of the spray head resulting from the combination of the movements of the beam and the carriage.
  • a further drawback is that the spray head and the nozzle are mounted to the carriage with a very small degree of freedom.
  • a further drawback is that the support plate can only hold one slab at a time for spraying, whereby the machine can only partially reduce the overall processing times.
  • EP2631041 discloses a machine for spraying paints or powders onto articles, which comprises a supporting frame with transverse guide means and a spray head slidably supported on the guide means.
  • the head is mounted to a slidably supported post on a carriage, in a respective vertical direction.
  • a first drawback of this arrangement is that this machine requires very long processing times for uniform spraying of paints all over the surface of the article.
  • a further drawback is that the machine does not allow spraying of more than one article at a time and has a low efficiency.
  • the object of the present invention is to solve the above mentioned technical problem and obviate the above discussed drawbacks, by providing a machine for spraying paints and powders onto surfaces of articles, that is highly efficient and relatively cost-effective.
  • a particular object of the present invention is to provide a machine of the aforementioned type that can uniformly spray paints or powders over the entire surface of the article, even when the latter has a large size, such as in the case of highway or viaduct beams.
  • a particular object of the present invention is to provide a machine of the aforementioned type that can uniformly spray paints or powders over the entire surface of the article, even when the latter has a large size, such as in the case of highway or viaduct beams.
  • Yet another object of the present invention is to provide a machine of the aforementioned type, that allows spraying of more than one article at a time.
  • a further object of the present invention is to provide a machine for spraying paints or powders onto the surfaces of articles that can reduce the overall processing times.
  • Another object of the present invention is to provide a machine that can suck up the paints dispersed in the environment and dry them once they have been sprayed onto the articles.
  • the machine may comprise means for sucking up and drying the paints and the protective products, which are associated with the supporting structure.
  • the machine is able to uniformly spray the paints or powders over the entire surface of the article, even when the latter has a large size, over complex surfaces comprising curves, undercuts, concavities or recesses, and over more than one article at a time.
  • a machine generally designated by numeral 1, which is designed to spray paints or powders P under pressure to create a particular aesthetic effect on the outer surface S of the articles M, or to change their surface properties, e.g. to impart a friction coefficient, adhesive properties, or weather resistance, using protective agents, anticorrosion agents, or the like.
  • the articles M may be made of a stone material, stone, concrete, iron, steel, aluminum, wood, plastic and other similar materials without departure from the scope of the invention, whereas the powders P may comprise sands, filings, resins, plastics, release agents, glues and other similar chemicals particularly suitable for spraying.
  • the articles M may have different shapes and comprise slabs, beams, columns, blocks or the like, possibly of very large size and with any type of geometry, e.g. with recesses, undercuts or a C shape.
  • the machine 1 comprises first longitudinal guide means 2 adapted to be anchored to the ground and defining a lower support area 3 for an article M to be sprayed.
  • the first longitudinal guide means 2 may comprise a pair of rails 4, 5 that are fixed to the ground in substantially parallel and spaced positions with a transverse center-to-center spacing p, as shown in FIG. 1 .
  • the machine 1 comprises a supporting structure 6 that is slidably mounted to the rails 4, 5 and second transverse guide means 7 associated with the supporting structure 6.
  • the supporting structure 6 may have a pair of substantially vertical uprights 8, 9, each having a pair of wheels 10, 11 at its base, which are slidably supported by the rails 4, 5 for rectilinear translation of the supporting structure 6 in the support area 3 for the article M, above the latter.
  • the sliding movement of the wheels 10, 11 in the rails 4, 5 may be controlled by gearmotor units 12 of known type, associated with each of the uprights 8, 9.
  • each pillar 8, 9 defines a respective housing compartment 13, 14 whose purpose will be more apparent hereinafter.
  • the second transverse guide means 7 comprise a first pair of transverse guides 15, 16 whose length corresponds to the transverse pitch p between the longitudinal rails 4, 5 and whose ends are secured to the uprights 8, 9 to stiffen the supporting structure 6.
  • the transverse guides 15, 16 are in mutually facing and longitudinally offset positions, thereby defining a first sliding gap 17.
  • the second transverse guide means 7 comprise a further pair of transverse guides 18, 19 similar to the above mentioned ones, and also having ends secured to the vertical uprights 8, 9.
  • the second transverse guides 18, 19 are mounted in mutually facing and longitudinally offset positions, thereby defining a second sliding gap 20.
  • further pairs of transverse guides may be provided in addition to those as described above, having respective ends secured to the vertical uprights 8, 9 and defining respective sliding gaps.
  • the supporting structure 6 may define a substantially vertical plane of symmetry ⁇ and the first 15, 16 and the second pairs of transverse guides 18, 19 will be located on opposite sides of the plane of symmetry ⁇ .
  • cases 21 may be provided at the sides of and over the transverse guides 15, 16; 18, 19 to protect them and prevent impurities from entering the support area 3.
  • the machine 1 further comprises a first spray head 22 which is slidably mounted to the above discussed guide means 7 and is operably connected to one or more reservoirs 23 for the product P to be sprayed via flexible hoses and at least one pump, of the known type and not shown in the figures.
  • each reservoir 23 may be accommodated in one of the compartments 13, 14 delimited by a respective vertical upright 9, to follow the longitudinal movement of the supporting structure 6 and avoid excessive stretching of the hoses.
  • the first spray head 22 is secured to a substantially vertical post 24 fixed to a first carriage 25 that is designed to move along the second transverse guide means 7.
  • third guide means 26, e.g. prismatic guides, are associated with the first carriage 25 for guiding the first post 24 in a substantially vertical direction V 1 , for spraying to occur in three mutually perpendicular directions.
  • the combined movement of the supporting structure 6, the first carriage 25 and the first post 24 afford controlled movement of the spray head 22 within the entire lower support area 3 to quickly and simply reach any point of the article M and promote uniform spraying thereof.
  • respective motor means 27 may be provided, which are adapted to cause the first carriage 25 to move along the second transverse guide means 7 and additional motor means 28 may be also operably associated with the carriage 25 and the post 24 to cause the vertical movement thereof along the third guide means 26.
  • the first carriage 25 may be slidably mounted to the first pair of opposed transverse guides 15, 16 to be translated in the first gap 17 defined therebetween by the second motor means.
  • the machine 1 comprises a second spray head 29, similar to the first, which is mounted to a second substantially vertical post 30 fixed to a second carriage 31, identical to the first carriage 25.
  • the second post 30 may be translated in a respective vertical direction V 2 relative to the second post 31 along fourth guide means 32 which are rigidly joined to the second carriage 31 and by the respective motor means 28.
  • the second carriage 31 may be slidably mounted to the second pair of transverse guides 18, 19 to be translated in the second gap 20.
  • the second spray head 29 is operably connected to to one or more of the reservoirs 23 containing the products P to be sprayed via respective flexible hoses, which are partially accommodated within the second sliding gap 20 and a respective pump, both not shown.
  • the machine 1 may comprise further spray heads mounted to respective carriages and at least one pair of carriages may be slidably introduced into each sliding gap.
  • first 24 and second 30 posts have respective spray heads 22, 29 mounted to opposite ends, i.e. an upper end 33 and a lower end 34 thereof.
  • the spray heads 22, 29 may be mounted to the same end, e.g the lower end 34 of the posts 24, 30 to cooperate within a single support area 3, e.g the lower support areas relative to the supporting structure 6, as shown in FIG. 7 .
  • the machine comprises three carriages 25 having respective spray heads 22 mounted at the lower ends 34 of the posts 24 for simultaneous spraying of all the faces of a channel beam located in the support area 3.
  • each post 24, 30 may comprise at least one pair of spray heads located at both ends 33, 34 or an additional head in an intermediate position.
  • Each of the spray heads 22, 29 may comprise at least one support 35 which is rotatably mounted to one of the ends 33, 34 of a respective post 24, 30 to rotate about a substantially vertical axis T 1 , T 2 .
  • each spray head 22, 29 may have a respective nozzle 36 rotatably mounted to a respective support 35 to rotate about an axis substantially perpendicular R 1 , R 2 to the vertical axis T 1 , T 2 , such that each nozzle 36 may be oriented in the three directions of space.
  • each support 35 and each nozzle 36 relative to the corresponding support 35 may be caused by respective independent motor means 37.
  • the nozzles may be fed with highpressure air, water or pickling chemicals, for the machine 1 to be able to clean the surfaces to be treated.
  • both heads 22, 29 are mounted at the lower end 34 of the posts 24, 30, as shown in FIG. 7 , their movement will allow the nozzles 36 to be constantly positioned above the article M and deliver the paints or powders P by dripping from top to bottom.
  • the machine may comprise a plurality of nozzles 36 mounted to a single support 35 of a head 22 at a respective end 34 of a post 24 for simultaneously spraying all the inner surfaces S of a channel plate located in the support area 3.
  • multiple spray heads 22, 29 may be provided instead of one, at each end 33, 34 of a respective post 24, 30.
  • vacuum-operated means 38 may be provided, having a suction port 39 located within the support area 3 for sucking up dispersed particles of the products P to be sprayed.
  • radiation means 40 preferably IR lamps, may be fixed to the supporting structure 6 and be oriented toward the lower 3 or upper 3' support area to dry the products P deposited on the surfaces S of the articles M being processed.
  • the machine 1 comprises processor control means 41 connected to the motor means 12, 27, 28, 37 to ensure controlled movement of the supporting structure 6, the carriages 25, 31, the posts 24, 30, the supports 35 and the nozzles 36 according to the shape and size of the articles M to be sprayed and the respective pumps.

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  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Spray Control Apparatus (AREA)

Claims (8)

  1. Eine Vorrichtung (1) zum Aufsprühen von Farben oder Pulvern (P) auf Oberflächen (S) von Erzeugnissen (M), umfassend:
    - erste Längsführungsmittel (2), die am Boden verankert werden können und einen unteren Stützbereich (3) für einen zu sprühenden Gegenstand (M) definieren;
    - eine Tragstruktur (6), die verschiebbar an der ersten Längsführungseinrichtung (2) angebracht ist;
    - zweite Querführungseinrichtungen (7), die der Tragstruktur (6) zugeordnet sind und ein erstes Paar Querführungen (15, 16) aufweisen, die in einander zugewandter und in Längsrichtung versetzter Beziehung stehen, um einen ersten Spalt (17) zu definieren;
    - mindestens einen ersten Sprühkopf (22), der verschiebbar an der zweiten Querführungseinrichtung (7) angebracht ist;
    - einen oder mehrere Behälter (23) für die zu versprühende Produkte (P), die betriebsmäßig mit dem ersten Sprühkopf (22) verbunden sind;
    wobei der mindestens ein erste Kopf (22) an einem ersten im wesentlichen vertikalen Pfosten (24) befestigt ist, der an einem ersten Schlitten (25) befestigt ist, der beweglich ist, um sich entlang der zweiten Querführungseinrichtung (7) zu bewegen, wobei der erste Schlitten (25) verschiebbar an dem ersten Paar von Querführungen (15, 16) angebracht ist, um in dem ersten Spalt (17) zu gleiten, wobei dem ersten Schlitten (25) dritte Führungsmittel (26) zugeordnet sind, um den ersten Pfosten (24) in einer ersten im wesentlichen vertikalen Richtung (V1) so zu führen, dass das Sprühen in drei zueinander senkrechten Richtungen möglich ist;
    dadurch gekennzeichnet, dass sie mindestens einen zweiten Sprühkopf (29) umfasst, der an einem zweiten im wesentlichen vertikalen Pfosten (30) angebracht ist, der an einem zweiten Schlitten (31) befestigt ist, wobei die zweiten Querführungsmittel (7) ein zweites Paar Querführungen (18, 19) in einander zugewandter und in Längsrichtung versetzter Beziehung umfassen, um einen zweiten Spalt (20) zu definieren, wobei die Tragstruktur (6) ein Paar im wesentlichen vertikaler Ständer (8, 9) umfasst, wobei das erste Paar (15, 16) und das zweites Paar (18, 19) von Querführungen mit Längsenden vorgesehen sind, die an den oberen Enden der Ständer (8, 9) befestigt sind, wobei der zweite Schlitten (31) verschiebbar an dem zweiten Paar von Führungen (18, 19) angebracht ist, um in den zweiten Spalt (20) hineinzugleiten, wobei der zweite Pfosten (30) in einer zweiten im wesentlichen vertikalen Richtung (V2) auf der vierten Führungseinrichtung (32) bewegbar ist, die starr mit dem zweiten Schlitten (31) verbunden ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Tragstruktur (6) eine im wesentlichen vertikale Symmetrieebene (π) definiert, wobei sich das erste (15, 16) und das zweite (18, 19) Paar von Querführungen auf gegenüberliegenden Seiten der Symmetrieebene (π) befinden.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass jeder der Sprühköpfe (22, 29) mindestens einen Träger (35) umfasst, der drehbar an einem der Enden (33, 34) eines jeweiligen Pfostens (24, 30) angebracht ist, um sich um eine im wesentlichen vertikale Achse (T1, T2) zu drehen.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass jeder der Sprühköpfe (22, 29) mindestens eine Düse (36) umfasst, die drehbar an dem Träger (35) angebracht ist, um sich um eine im wesentlichen horizontale Achse (R1, R2) zu drehen, so dass es in den drei Dimensionen des Raumes orientiert sein kann.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der erste (24) und der zweite (30) Pfosten jeweilige Sprühköpfe (22, 29) aufweisen, die an gegenüberliegenden Enden (33, 34), nämlich einem oberen Ende und einem unteren Ende, angebracht sind, zum Besprühen der Gegenstände (M), die sich in dem unteren Stützbereich (3) oder in einem Stützbereich (3') befinden, der sich über der Tragstruktur (6) befindet.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der eine oder die mehreren Vorratsbehälter (23) für zu versprühende Produkte (P) über geeignete flexible Schläuche in selektiver Fluidverbindung mit den jeweiligen Sprühköpfen (22, 29) stehen, wobei die Schlauche zumindest teilweise in dem ersten (17) und zweiten (20) gleitenden Spalte untergebracht sind.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie eine Vakuumeinrichtung (38) mit einer Saugöffnung (39) umfasst, die in dem Stützbereich (3) angeordnet ist, um dispergierte Partikel der zu versprühenden Produkte (P) abzusaugen, und Bestrahlungsmittel (40), die an der Tragstruktur (6) befestigt sind, um die auf den Oberflächen (S) der zu verarbeitenden Gegenstände (M) abgelagerten Produkte zu trocknen.
  8. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass sie Prozesssteuermittel (41) umfasst, die an Motormittel (12, 27, 28, 37) angeschlossen sind, die so ausgelegt sind, dass sie eine kontrollierte Bewegung der Tragstruktur (6), der Schlitten (25, 31), der Pfosten (24, 30), des Trägers (35) und der Düsen (36) entsprechend der Form und Größe der zu sprühenden Gegenstände (M) sicherstellen.
EP17155166.6A 2016-02-09 2017-02-08 Maschine zur besprühung von lacke oder pulver auf den oberflächen von gegenständen Active EP3205406B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17155166T PL3205406T3 (pl) 2016-02-09 2017-02-08 Maszyna do natryskiwania farb lub proszków na powierzchnie przedmiotów

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2016A000576A ITUB20160576A1 (it) 2016-02-09 2016-02-09 Macchina per spruzzare vernici o polveri sulle superfici di manufatti

Publications (2)

Publication Number Publication Date
EP3205406A1 EP3205406A1 (de) 2017-08-16
EP3205406B1 true EP3205406B1 (de) 2019-12-04

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EP17155166.6A Active EP3205406B1 (de) 2016-02-09 2017-02-08 Maschine zur besprühung von lacke oder pulver auf den oberflächen von gegenständen

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EP (1) EP3205406B1 (de)
DK (1) DK3205406T3 (de)
ES (1) ES2766859T3 (de)
IT (1) ITUB20160576A1 (de)
PL (1) PL3205406T3 (de)
PT (1) PT3205406T (de)

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CN113385335A (zh) * 2021-08-02 2021-09-14 浙江易锋机械有限公司 一种汽车空调活塞智能制造设备用喷涂机构
CN113976364B (zh) * 2021-11-26 2022-10-28 扬州大学 一种曲面真空玻璃封边焊料喷涂装置
CN114411567A (zh) * 2022-03-03 2022-04-29 上海建冶科技股份有限公司 一种桥梁端面涂料智能喷涂机器人
CN115007366A (zh) * 2022-06-27 2022-09-06 上海外高桥造船有限公司 喷涂装置
CN115365036A (zh) * 2022-09-14 2022-11-22 濮阳濮耐高温材料（集团）股份有限公司 一种中间包内衬耐火材料自动喷注装置
CN115502002A (zh) * 2022-09-29 2022-12-23 广亚铝业有限公司 一种高效粉末喷涂工艺
CN116393283A (zh) * 2023-03-23 2023-07-07 安徽百泰工艺品有限公司 一种棺木加工用喷涂装置
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ES2766859T3 (es) 2020-06-15
EP3205406A1 (de) 2017-08-16
DK3205406T3 (da) 2020-01-27
PL3205406T3 (pl) 2020-06-15
PT3205406T (pt) 2020-01-24

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