EP1248683B1 - Installation d'application de revetement en poudre - Google Patents

Installation d'application de revetement en poudre Download PDF

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Publication number
EP1248683B1
EP1248683B1 EP01911504A EP01911504A EP1248683B1 EP 1248683 B1 EP1248683 B1 EP 1248683B1 EP 01911504 A EP01911504 A EP 01911504A EP 01911504 A EP01911504 A EP 01911504A EP 1248683 B1 EP1248683 B1 EP 1248683B1
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EP
European Patent Office
Prior art keywords
powder
conveyor
installation according
space
powder coating
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.)
Expired - Lifetime
Application number
EP01911504A
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German (de)
English (en)
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EP1248683A2 (fr
Inventor
Gerd Wurster
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Individual
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Individual
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Priority claimed from DE10012658A external-priority patent/DE10012658A1/de
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Publication of EP1248683A2 publication Critical patent/EP1248683A2/fr
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Publication of EP1248683B1 publication Critical patent/EP1248683B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • 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
    • B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
    • 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
    • B05B16/95—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 the objects or other work to be sprayed lying on, or being held above the conveying means, i.e. not hanging from the conveying means

Definitions

  • the invention relates to a powder coating system according to the preamble of claim 1.
  • the invention further relates to a powder coating system with a plurality of treatment stations, such as a powder oven, a powder booth, a pretreatment station or a Wash tunnel, a water dryer, and further with a Conveyor for transporting the workpieces.
  • a powder coating system with a plurality of treatment stations, such as a powder oven, a powder booth, a pretreatment station or a Wash tunnel, a water dryer, and further with a Conveyor for transporting the workpieces.
  • the invention relates to a coating method for coating workpieces, in particular for powder coating or powder enameling of rims or vehicle body parts, in which the workpieces by means of a Föderers by a coating room to be moved.
  • the object of the invention is therefore to provide an improved Powder coating plant for powder coating of workpieces to create, with the higher quality powder coating is achievable, and the aforementioned disadvantages to fix.
  • the conveyors according to the preamble are easy to fall through Powder residues are contaminated and prone to significant disturbances, especially if the chains of the conveyor directly with downstream dryers (stoves) are connected. Further affects the arrangement of the conveyor within the coating room detrimental to the quality of the coating because of the conveyor due to its moving parts, greases and the like to impurities within the powder space leads. Partly the coating powder is at all not recoverable. With an overspray rate of 30% means this at a powder throughput of 1000 kg / day a waste quantity of 300 kg of coating powder per day. That's why in the bottom of the coating room a slot feedthrough for performing Workpiece carriers provided and the conveyor essentially vertically arranged below the slot feedthrough.
  • the slot feedthrough is expediently provided with a sealing lip sealed to the underlying conveyor against falling To protect powder residues.
  • the conveyor only through the slot leadthrough with the coating space in conjunction with a cover above the conveyor is provided for the protection of the conveyor and the coating room down through the bottom, preferably substantially airtight is completed.
  • a conveyor belt is used, preferably below the Slot feedthrough runs to absorb powder residues and evacuate.
  • the conveyor belt is preferably made of a material that electrostatically conductive and largely resistant to abrasion.
  • the conveyor about suitable struts with it through the slot feedthrough connected upwardly extending workpiece carriers, wherein the struts from the conveyor up through one between the Extend partitions through the labyrinth-like opening can.
  • conveyors and partitions arranged in such a way be that falling powder practically not on the Conveyor, but only on the first partition can fall, the suitably designed with a smooth surface can be.
  • each workpiece carrier removable via a workpiece carrier holder on the conveyor attached.
  • This workpiece carrier holder is designed in the most general sense as a clutch.
  • the angled portions preferably extend essentially horizontal and extending up or down Sections preferably in the vertical direction.
  • the struts have a approximately C-shaped shape.
  • the first Partition with a first from the floor of the vestibule to formed above extending portion, to which a second angled section connects, that of a third followed upwards extending section, wherein the third section, preferably below the fourth section the quest ends.
  • means for generating provided an overpressure in the chain space preferably comprise a fan and an air filter.
  • the vestibule closed to the outside, so that air from the chain room and escapes the vestibule through the slot feedthrough upwards.
  • the vestibule is longitudinally open executed.
  • a suction device preferably with a suction filter.
  • the conveyor below the bottom of the coating room from the sides arranged freely accessible without an entrance hall or a chain room is formed.
  • the conveyor is preferably by an overlying conveyor belt against protected falling powder. This has the considerable advantage a particularly good accessibility of the conveyor in the case of disorders.
  • a device for cleaning the conveyor chain the conveyor, the struts, the workpiece carrier receptacles or the workpiece carrier provided.
  • This can be an automatic cleaning device acting, for example, in the event of a business interruption
  • Surfaces of the anteroom about with brushes, sponges or the like automatically cleans.
  • the vestibule can of course also be cleaned manually what are the surfaces concerned, in particular the first Dividing plate, as smooth as possible.
  • sealing lip provided for sealing the slot feedthrough. This one will installed as smoothly as possible.
  • This measure also contributes to a fall of Powder through the slot passage down and a pollution underneath parts is prevented.
  • the cleaning device used to clean the conveyor belt, the conveying chain of the conveyor, the struts, the workpiece carrier receptacles, provided the workpiece carrier or the vestibule may be outside of the coating space arranged.
  • the cleaning device can be constructed in one or more stages and about a suction section for suction of powder to which a wet cleaning section adjoins.
  • the height the workpiece carrier dimensioned such that between the bottom of the Coating space and the bottom of the workpieces a distance from about 0.4 to 1.0 m, preferably 0.7 m remains.
  • the essential parts of the powder booth of an air-conditioned Enclosed enclosure can be included. Independent of external influences
  • temperature and humidity are more suitable Kept constant, e.g. to 20 ° C and 50% relative Humidity.
  • the Cleaning equipment for the chain of the conveyor, struts, Workpiece carrier holders and workpiece carriers, as well as for the possibly existing conveyor belt, and the means for cleaning the Anteroom are arranged outside the air-conditioned housing.
  • these cleaning devices can also be encapsulated be executed or at a great distance from the powder booth, e.g. at least 5 meters.
  • connection channels or covers with other parts be connected to a powder coating system, such as through connection channels to the adhesive water dryer and / or to Cooling water zone after the adhesive water dryer and / or to the powder kiln, so that before and after the powder booth no particles or dust or other residue from the assembly hall the workpieces can fall.
  • the object is achieved in a Powder coating plant with a plurality of treatment stations, like a powder booth, a water dryer, a Powder furnace, a wash tunnel, and with a conveyor to Transport of workpieces through the individual stations solved that the conveyor below the bottom of at least one the stations is arranged.
  • the conveyor below the powder oven (Baking oven), the washing tunnel, the water dryer or a arranged at another station this also leads to a significant improved quality of the powder coating.
  • Another advantage is that the outer surface of the relevant stations, such as the dryer or the baking oven, is reduced, resulting in a lower cost Construction results. Also, very often reduces the circulating air power and thus the investment costs or the energy costs be lowered, as Einbrennhuntn kept smaller can be and therefore less air circulation is needed at the same Air speed in the baking oven. Usually the circulating air sweeps over workpieces, workpiece carriers and conveyor chain. According to the invention circulates the circulating air practically only over the workpieces so that no unnecessary circulating air is circulated must become. Thus, the active surface is reduced in the baking oven, which needs to be cleaned again and again. This results also improved product quality.
  • the conveyor can also below cooling zones or cooling areas below those in question Station or process zone.
  • a complete Separation between procedural level with the individual Processing stations such as a pretreatment station or wash tunnel, a water dryer, a powder oven, and reached an underlying conveying level.
  • a complete one Separation in the form of a only through feedthroughs interrupted closed ground cover is possible. This has the additional advantage that is based on the procedural Level no conveyor chains at all.
  • Figs. 1 and 2 is a powder booth in total with the Numeral 10 designates the part of a powder coating system according to the invention is in Fig. 4 in total with the numeral 60 is designated.
  • the powder coating system 60 can, for example a pre-treatment station 62 and a downstream one Water dryer 64 have what the powder booth 10 connected by a powder oven (baking oven) 66 followed.
  • a conveyor 30 is provided which is located within a closed channel 68 may be located.
  • the powder booth according to FIG. 1 comprises a coating space 12 for powder coating of workpieces 16.
  • the conveyor 30 is arranged, the individual supports 32 through a slot feedthrough 20 on the bottom 14 of the coating chamber 12 upwardly projecting workpiece carrier 18 carries, which are moved longitudinally through the coating space 12.
  • the conveyor 30 is disposed immediately below the slot feedthrough 20 and thus approximately below the indicated with the numeral 17 focal points of the workpieces 16, resulting in a simple structure with a good power transmission.
  • a conveyor 30 can be used as a bottom circle conveyor or an inverted Power & Free conveyor, with additional mechanical supports are provided.
  • the weight of the workpieces 16 is introduced via the struts 32 in the respective guides of the conveyor 30.
  • two coating units 46, 50 are provided along the transport path 44 of the conveyor 30 of the powder booth 10, wherein the first coating unit 46 arranged on the left side of the coating chamber 12 as shown in FIG is and opposite a filter and suction unit 48 is provided.
  • the second coating unit 50 which is connects to it is on the opposite side of the coating room 12, so on the side of the filter and suction unit 48, wherein in turn a filter and suction unit 52 is provided.
  • the coating space 12 is followed by a cleaning device 54, which has a suction device for the extraction of Powder from the conveyor chain of the conveyor 30, the workpiece carriers 18, provided for receiving the workpiece carrier 18 Workpiece carrier receivers and struts with which the conveyor is connected to the workpiece carrier receptacles having.
  • the space below the coating space 12 is through two Partitions 33, 37 in a chain space 26, within which the Conveyor 30 is arranged, and separated into a vestibule.
  • the first partition wall 34 extends from the bottom 29 of the vestibule 28 from with a first portion 34 vertically upwards, to the a second horizontal section 35 connects to the again a third, vertically upwardly directed section 36 connects.
  • the second partition wall 37 extends directly in addition to the slot feedthrough 20 from the ceiling 27 of the chain space 26 off down, being slightly below the top End of the third section 36 of the first partition 33rd ends. In this way, between the chain space 26 and the Anteroom 28 between the two partitions 33, 37 a labyrinthine Opening 39 is formed.
  • the conveyor 30 is located vertically below the slot feedthrough 20, completely through the first partition 33 against falling through the slot bushing 20 powder protected.
  • each workpiece carrier 18 is at least one Strut assigned 32, extending from the conveyor 30 after above, about the partitions 33, 37 and around the labyrinthine Opening 39 through, to below the slot feedthrough 20 extends and ends in a workpiece carrier receptacle 24, whereupon the workpiece carrier 18 is removably attached.
  • each strut 32 has a first one extending from the conveyor 30 vertically upwards extending section, to which a second horizontal section connecting in Direction to the outer wall of the chain space 26 extends toward what followed by a third, vertically upwardly directed section, which was followed by a fourth horizontal section connects, which extends in the direction of the vestibule 28 out and below that the third section 36 of the first Partition wall 33 ends, followed by a fifth section,
  • the vertical down through the labyrinthine Opening 39 extends therethrough, then what a sixth Section connects, which in turn runs horizontally and the finally from a seventh, vertical upward Section followed in the workpiece carrier receptacle 24 ends.
  • the workpiece carrier can also be designed as a turning device be.
  • the slot feedthrough 20 is additionally easy to access cleansing and abrasion-resistant sealing lip 22 closed. This causes a fall of powder down through the Slot guide 20 is largely avoided. additionally can the chain space 26 applied to an overpressure be generated via an upstream fan 40 is, with the intake air preferably via an upstream Filter 42 is filtered. Due to the special air flow, extending through the two interacting Dividing walls 33, 37 sets is excluded that despite the sealing lip 22 through the slot feedthrough 20 still after get down falling powder residues on the conveyor 30 and adversely affect it over time. Much more becomes air flowing in the direction of the illustrated arrows an air flow through the labyrinthine opening 39 first down and then turn up towards the Slot bushing 20 reached.
  • the vestibule 28 If the vestibule 28 is closed all around, it also turns on the side of the vestibule an air flow upwards in the direction on the slot bushing 20, as indicated by the arrow on the right in addition to the workpiece carrier receptacle 24 is indicated.
  • the vestibule 28 is on its longitudinal outside open, which causes an exit of powder particles laden air through the slot leadthrough 20 up into the coating chamber 12 practically avoided is, since the vast part of the outflowing air laterally flows.
  • the suction on the outside of the vestibule 28 directly be coupled to the fan 40 so that a Air circulation results.
  • the through the slot feedthrough 20 down offers the use of a conveyor belt, the in Fig. 1 by way of example represented and designated by the numeral 38.
  • a conveyor belt 38 is used, stores falling down Powder on this, and this is then either in Transport direction of the conveyor transported on the conveyor belt or in the opposite direction and finally cleaned at the end of the conveyor belt, which by suction, rubbing, Washing or brushing can be done.
  • Within the Anteroom 28 is such a cleaning device schematically indicated by the numeral 43.
  • a cleaning device 54 is provided, which preferably is designed as a combined blowing and suction device and optionally also with brushes, sponges or the like can be provided to the conveyor chain, the workpiece carrier, the struts and the workpiece carrier mounts clean too can.
  • the respective cleaning devices 43 and 54 can be single-stage or multi-level structure.
  • a pre-cleaning by suction whereupon wet cleaning e.g. with washing nozzles, sponges or brushes or the like.
  • the workpiece carriers can be used for cleaning or during color changes be removed in the powder booth. This facilitates the Total cleaning significantly.
  • Fig. 2 schematically is indicated by a dashed line 56.
  • Humidity is suitably kept constant, e.g. to 20 ° C and 50% relative humidity.
  • Humidity is suitably kept constant, e.g. to 20 ° C and 50% relative humidity.
  • the cleaning device 54 for chain the conveyor 30, struts 32, workpiece carrier receptacles 24th and workpiece carrier 18, and for the possibly present conveyor belt 38, and possibly also the means for cleaning the vestibule are arranged outside the air-conditioned housing 56.
  • these cleaning devices can also be encapsulated be executed or at a great distance from the powder booth, e.g. at least 5 meters.
  • the conveyor 30 also in other parts of the plant, such as the water dryer 64 or the powder oven 66 arranged below, whereby Likewise, the advantages associated therewith are achieved.
  • FIG. 3 An alternative embodiment of a powder booth according to the invention is shown schematically in Fig. 3 and in total with the Numeral 10a.
  • Numeral 10a An alternative embodiment of a powder booth according to the invention is shown schematically in Fig. 3 and in total with the Numeral 10a.
  • Numeral 10a An alternative embodiment of a powder booth according to the invention is shown schematically in Fig. 3 and in total with the Numeral 10a.
  • Numeral 10a An alternative embodiment of a powder booth according to the invention is shown schematically in Fig. 3 and in total with the Numeral 10a.
  • the conveyor belt 38a, as well as the conveyor belt 38 in the embodiment As shown in FIG. 1 is preferably made of an electrostatic conductive material with smooth, easy to clean Surface.
  • Fig. 5 shows a further embodiment of the invention a Detail of a powder coating plant, the total designated by the numeral 70.
  • the conveyor 30 may be approximately as in the embodiment of FIG. 3rd be formed by C-shaped struts 32b, in addition at least below the powder booth 10b of the conveyors 30th is protected by an overlying conveyor belt 38b, as previously explained with reference to FIG. 3.
  • the powder coating system 70 has been merely exemplified two of the stations, namely the powder booth 10b and a subsequent powder oven or stoving 86 shown.
  • the powder coating system more Components, such as a pretreatment station or has a wash tunnel and a water dryer. Also at these stations runs the conveyor 30 below the relevant Soil 92 in the delivery chamber 72. These are below the Wash tunnels taken additional measures to drip To catch the liquid and, if necessary, reduce it.
  • Fig. 5 is additionally indicated that the respective treatment stations each enclosed by a housing 84 and 88, respectively are and in turn of a common housing 90 are enclosed, which is a recirculation mode with special filtered air or air-conditioned operation with optimized Ambient conditions for the respective components allows.
  • the delivery chamber 72 may be outwardly complete or at least be partially completed, which then, as in Fig. 5 shows the possibility for a recirculation.
  • a recirculation unit 78 which has a fan and having different filters, be provided that via lines 80, 82 with an air supply 74 for the delivery chamber 72 and an air discharge 76 is coupled from the delivery chamber 72.
  • the filters can have a have suitable fineness and as the finest filter F7 or F9 be designed how they are used in clean rooms. Furthermore, special filters for the absorption of organic Components are provided, such as zeolites or activated carbon filter.

Landscapes

  • Coating Apparatus (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Medicinal Preparation (AREA)
  • Road Signs Or Road Markings (AREA)
  • Paints Or Removers (AREA)

Claims (33)

  1. Installation de revêtement par poudre avec au moins une cabine de poudrage (10, 10a, 10b) qui présente une enceinte de revêtement (12) pour le revêtement par poudre de pièces d'oeuvre (16), et avec un convoyeur (30) pour le transport des pièces d'oeuvre (16) à travers l'enceinte de revêtement (12), dans laquelle le convoyeur (30) est disposé en dessous d'un plancher fixe (14, 92) de l'enceinte de revêtement (12), dans laquelle il est prévu dans le plancher (14, 92) de l'enceinte de revêtement (12) une fente de passage (20) pour le passage de supports de pièces d'oeuvre (18) et le convoyeur (30) est disposé sensiblement verticalement en dessous de la fente de passage (20), et dans laquelle le convoyeur (30) est relié par l'intermédiaire d'entretoises (32a, 32b) avec des supports de pièces d'oeuvre (18) qui s'étendent vers le haut à travers la fente de passage (20), caractérisée en cc qu'il est prévu entre la fente de passage (20) et le convoyeur un capotage (38, 38a, 38b) pour protéger le convoyeur (30) contre la poudre qui tombe.
  2. Installation de revêtement par poudre selon la revendication 1, caractérisée en ce qu'il est prévu un joint à lèvre (22) pour l'étanchéité de la fente de passage (20).
  3. Installation de revêtement par poudre selon la revendication 1 ou la revendication 2, caractérisée en ce que le convoyeur (30) est relié uniquement par la fente de passage (20) avec l'enceinte de revêtement (12) et en ce que l'enceinte de revêtement (12) est de préférence fermée de manière sensiblement étanche à l'air vers le bas par le plancher (14, 92).
  4. Installation de revêtement par poudre selon l'une des revendications 1 à 3, caractérisée en ce qu'il est prévu au-dessus du convoyeur (30) et en dessous de la fente de passage (20) une bande transporteuse (38, 38a, 38b) destinée à recevoir et évacuer les résidus de poudre.
  5. Installation de revêtement par poudre selon la revendication 4, caractérisée en ce que la bande transporteuse (38, 38a, 38b) est faite d'un matériau qui est électrostatiquement conducteur et de préférence résistant à l'abrasion.
  6. installation de revêtement par poudre selon la revendication 4 ou la revendication 5, caractérisée en ce que la bande transporteuse (38, 38a, 38b) présente une surface lisse facile à nettoyer.
  7. Installation de revêtement par poudre selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu, pour nettoyer au moins la bande transporteuse (38, 38a, 38b) ou la chaíne à raclettes du convoyeur (30) ou les entretoises (32, 32a, 32b) ou les logements de supports de pièces d' oeuvre (24) ou les supports de pièces d'oeuvre (18) ou le sas d'accès (28), un dispositif de nettoyage (43, 54) qui est disposé de préférence à l'extérieur de l'enceinte de revêtement (12).
  8. Installation de revêtement par poudre selon la revendication 7, caractérisée en ce que le dispositif de nettoyage (43, 54) présente une section d'aspiration pour aspirer de la poudre.
  9. Installation de revêtement par poudre selon la revendication 7 ou la revendication 8, caractérisée en ce que le dispositif de nettoyage (54) présente au moins une section de nettoyage par voie humide ou une section de nettoyage par mouillage.
  10. Installation de revêtement par poudre selon l'une des revendications 7 à 9, caractérisée en ce que le dispositif de nettoyage a une structure à plusieurs étages.
  11. Installation de revêtement par poudre selon l'une des revendications 1 à 10, caractérisée en ce qu'un compartiment de chaíne (26) et un sas d'accès (28) sont formés sous le plancher (14) de l'enceinte de revêtement (12), le convoyeur (30) étant disposé dans le compartiment de chaíne (26) et séparé du sas d'accès (28) par une première cloison (34) qui s'étend vers le haut à partir du plancher (29) ainsi que par une deuxième cloison (37) qui s'étend vers le bas à partir du plafond (27).
  12. Installation de revêtement par poudre selon l'une des revendications 1 à 11, caractérisée en ce que le convoyeur (30) est relié par des entretoises (32, 32a, 32b) avec des supports de pièces d'oeuvre (18) qui s'étendent vers le haut à travers la fente de passage (20).
  13. Installation de revêtement par poudre selon la revendication 12, caractérisée en ce que les entretoises (32) s'étendent vers le haut à partir du convoyeur (30) à travers une ouverture en forme de labyrinthe formée entre les deux cloisons (34, 37).
  14. Installation de revêtement par poudre selon l'une des revendications précédentes, caractérisée en ce que chaque support de pièce d'oeuvre (18) est fixé de manière amovible sur le convoyeur (30) au moyen d'un logement de support de pièce d'oeuvre (24).
  15. installation de revêtement par poudre selon l'une des revendications 12 à 14, caractérisée en ce que les entretoises (32) présentent chacune une première section s'étendant vers le haut, à laquelle se raccorde une deuxième section coudée, qui est suivie d'une troisième section s'étendant vers le haut, à laquelle se raccorde une quatrième section, qui est coudée dans le sens inverse de la deuxième section et à laquelle se raccorde une cinquième section s'étendant vers le bas à travers l'ouverture en forme de labyrinthe (39), à laquelle se raccorde une sixième section qui s'étend dans la même direction que la quatrième section, à laquelle se raccorde une septième section qui s'étend vers le haut et qui porte un logement de support de pièce d'oeuvre (24).
  16. Installation de revêtement par poudre selon la revendication 15, caractérisée en ce que les sections coudées s'étendent sensiblement horizontalement, et en ce que les sections qui s'étendent vers le haut ou vers le bas s'étendent sensiblement verticalement.
  17. Installation de revêtement par poudre selon l'une des revendications 1 à 16, caractérisée en ce que les entretoises (32a, 32b) présentent la forme approximative d'un C.
  18. Installation de revêtement par poudre selon l'une des revendications 11 à 17, caractérisée en ce que la première cloison (34) est formée avec une première section s'étendant vers le haut à partir du plancher (14) du sas d'accès (28), à laquelle se raccorde une deuxième section coudée qui est suivie d'une troisième section s'étendant vers le haut, la troisième section (36) se terminant de préférence en dessous de la quatrième section des entretoises (32) et le convoyeur (30) étant réalisé avec une protection contre les résidus de poudre qui tombent en dessous de la deuxième section (35).
  19. Installation de revêtement par poudre selon l'une des revendications 11 à 18, caractérisée en ce qu'il est prévu, pour générer une surpression dans le compartiment de chaíne (26), des moyens (40, 42) qui comprennent de préférence un ventilateur (40) et un filtre à air (42).
  20. Installation de revêtement par poudre selon l'une des revendications 11 à 19, caractérisée en ce que le sas d'accès (28) est fermé vers l'extérieur, de sorte que l'air s'échappe vers le haut hors du compartiment de chaíne (26) et du sas d'accès (28) par la fente de passage (20).
  21. Installation de revêtement par poudre selon l'une des revendications 11 à 19, caractérisée en ce que le sas d'accès (28) est ouvert sur son grand côté.
  22. Installation de revêtement par poudre selon l'une des revendications 11 à 19, caractérisée en ce qu'il est prévu un dispositif d'aspiration sur le grand côté du sas d'accès (28).
  23. Installation de revêtement par poudre selon l'une des revendications précédentes, caractérisée en ce que la hauteur des supports de pièces d'oeuvre est dimensionnée de façon à laisser entre le plancher (14) de l'enceinte de revêtement (12) et le dessous des pièces d'oeuvre (16) un cspace d'environ 0,4 à 1,0 m, de préférence environ 0,7 m.
  24. Installation de revêtement par poudre selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu une baguette d'étanchéité qui peut être insérée de manière affleurante dans l'ouverture de la fente de passage (20) pour le nettoyage de l'enceinte de revêtement (12).
  25. Installation de revêtement par poudre selon l'une des revendications précédentes, caractérisée en ce que la cabine de poudrage présente une cage ventilée ou climatisée aérauliquement (56) qui renferme complètement au moins l'enceinte de revêtement (12).
  26. installation de revêtement par poudre selon l'une des revendications 19 à 25, caractérisée en ce que le dispositif de nettoyage (54) esL disposé à l'extérieur de la cage ventilée ou climatisée aérauliquement (56, 90).
  27. Installation de revêtement par poudre selon l'une des revendications 19 à 26, caractérisée en ce que le dispositif de nettoyage (54) est réalisé sous une forme entièrement fermée.
  28. Installation de revêtement par poudre selon l'une des revendications précédentes, caractérisée en ce que l'enceinte de revêtement (12) est reliée par un conduit de protection (68) ou un capotage avec d'autres parties (62, 64, 66) de l'installation de revêtement par poudre (60).
  29. Installation de revêtement par poudre selon l'une des revendications précédentes, avec un four à poudre (66) pour cuire de la poudre sur des pièces d'oeuvre (16), caractérisée en ce que le convoyeur (30) est disposé en dessous du four à poudre (66).
  30. Installation de revêtement par poudre selon l'une des revendications précédentes, avec un sécheur d'eau (64) pour sécher des pièces d'oeuvre (16), caractérisée en ce que le convoyeur (30) est disposé en dessous du sécheur d'eau (64).
  31. Installation de revêtement par poudre selon l'une des revendications précédentes, avec une pluralité de postes de traitement tels qu'une cabine de poudrage (10, 10a, 10b), un sécheur d'eau (64), un four à poudre (66), un tunnel de lavage (62), et avec un convoyeur (30) pour le transport de pièces d'oeuvre (16) entre les différents postes, caractérisée en ce que le convoyeur (30) est disposé sous le plancher (92) de l'un au moins des postes (10, 10a, 10b, 62, 64, 66).
  32. Procédé de revêtement de pièces d'oeuvre, notamment pour le revêtement par poudre ou l'émaillage par poudre de jantes ou d'éléments de carrosseries d'automobiles, dans lequel les pièces d'oeuvre (16) sont déplacées au moyen d'un convoyeur (30) dans une enceinte de revêtement (12), les pièces d'oeuvre (16) étant transportées sur des supports de pièces d'oeuvre (18) qui sont déplacés par un convoyeur (30) qui est disposé en dessous d'un plancher (92) de l'enceinte de revêtement (12), les pièces d'oeuvre (16) étant transportées posées sur des supports de pièces d'oeuvre (18) qui sont déplacés par le convoyeur (30) qui est disposé sous le plancher (92) de l'enceinte de revêtement (12), une tente de passage (20) pour le passage de supports de pièces d'oeuvre (18) étant prévue dans le plancher (14, 92) de l'enceinte de revêtement (12) et les supports de pièces d'oeuvre (18) étant déplacés par le convoyeur (30), disposé sensiblement verticalement en dessous de la fente de passage (20), qui est protégé par un capotage (38, 38a, 38b) prévu en dessous de la fente de passage (20) contre la poudre qui tombe.
  33. Procédé selon la revendication 32, dans lequel les pièces d'oeuvre (16) sont transportées posées sur des supports de pièces d'oeuvre (18) qui sont déplacés par un convoyeur (30) qui est disposé, en dessous d'un plancher (92) fermant l'enceinte de revêtement (12) vers le bas de manière sensiblement étanche à l'air, sensiblement verticalement en dessous d'une fente de passage (20) du plancher (14, 92) à travers laquelle les supports de pièces d'oeuvre (18) s'étendent vers le haut, le convoyeur (30) étant protégé contre les résidus de poudre qui tombent par une bande transporteuse (38, 38a, 38b) s'étendant en dessous de la tente de passage (20).
EP01911504A 2000-01-21 2001-01-19 Installation d'application de revetement en poudre Expired - Lifetime EP1248683B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10002664 2000-01-21
DE10002664 2000-01-21
DE10012658A DE10012658A1 (de) 2000-01-21 2000-03-15 Pulverbeschichtungsanlage
DE10012658 2000-03-15
PCT/EP2001/000623 WO2001053000A2 (fr) 2000-01-21 2001-01-19 Installation d'application de revetement en poudre

Publications (2)

Publication Number Publication Date
EP1248683A2 EP1248683A2 (fr) 2002-10-16
EP1248683B1 true EP1248683B1 (fr) 2005-12-21

Family

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Application Number Title Priority Date Filing Date
EP01911504A Expired - Lifetime EP1248683B1 (fr) 2000-01-21 2001-01-19 Installation d'application de revetement en poudre

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EP (1) EP1248683B1 (fr)
AT (1) ATE313386T1 (fr)
AU (1) AU2001240522A1 (fr)
WO (1) WO2001053000A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007060492A1 (de) 2007-12-05 2009-06-10 Gerd Wurster Beschichtungsanlage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013019231A1 (de) * 2013-11-16 2015-05-21 Eisenmann Ag Vorrichtung zum Behandeln von Gegenständen
ES2820314T3 (es) 2017-09-26 2021-04-20 Wagner Int Ag Instalación de recubrimiento en polvo para recubrir una pieza de trabajo con polvo de recubrimiento
DE102018116358A1 (de) * 2018-07-05 2020-01-09 Eisenmann Se Behandlungsanlage und Verfahren zum Behandeln von Werkstücken
IT201900009030A1 (it) * 2019-06-14 2020-12-14 Olpiduerr S P A Dispositivo e metodo per la pulizia di mandrini di verniciatura per ruote di veicoli

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
DE2250162A1 (de) * 1972-10-13 1974-04-25 Helmut Fache Arbeitskabine mit foerdereinrichtung
JPS5833030B2 (ja) * 1977-11-10 1983-07-16 日産自動車株式会社 塗装ブ−ス
DE3801028C1 (en) * 1988-01-15 1989-09-07 Hans-Josef 5010 Bergheim De Licher Process and apparatus for coating ceramic parts
JPH0377662A (ja) * 1989-08-17 1991-04-03 Suzuki Motor Corp 湿式塗装ブース
JP2664266B2 (ja) * 1990-03-23 1997-10-15 トリニティ工業株式会社 塗装設備

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007060492A1 (de) 2007-12-05 2009-06-10 Gerd Wurster Beschichtungsanlage

Also Published As

Publication number Publication date
WO2001053000A3 (fr) 2002-02-14
ATE313386T1 (de) 2006-01-15
AU2001240522A1 (en) 2001-07-31
WO2001053000A2 (fr) 2001-07-26
EP1248683A2 (fr) 2002-10-16

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