EP3335802A1 - Cabine de revêtement par pulvérisation, installation de revêtement par pulvérisation et procédé de fonctionnement d'une cabine de revêtement par pulvérisation - Google Patents

Cabine de revêtement par pulvérisation, installation de revêtement par pulvérisation et procédé de fonctionnement d'une cabine de revêtement par pulvérisation Download PDF

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Publication number
EP3335802A1
EP3335802A1 EP16204183.4A EP16204183A EP3335802A1 EP 3335802 A1 EP3335802 A1 EP 3335802A1 EP 16204183 A EP16204183 A EP 16204183A EP 3335802 A1 EP3335802 A1 EP 3335802A1
Authority
EP
European Patent Office
Prior art keywords
cabin
roof
compressed air
walls
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.)
Granted
Application number
EP16204183.4A
Other languages
German (de)
English (en)
Other versions
EP3335802B1 (fr
Inventor
Alessio Volonté
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wagner International AG
Original Assignee
Wagner International AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57570161&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3335802(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wagner International AG filed Critical Wagner International AG
Priority to ES16204183T priority Critical patent/ES2774468T3/es
Priority to EP16204183.4A priority patent/EP3335802B1/fr
Priority to CN201711304769.2A priority patent/CN108212632B/zh
Priority to US15/839,246 priority patent/US10406550B2/en
Publication of EP3335802A1 publication Critical patent/EP3335802A1/fr
Application granted granted Critical
Publication of EP3335802B1 publication Critical patent/EP3335802B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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
    • 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
    • B05B14/45—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone 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
    • B05B14/48—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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/522—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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
    • 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

Definitions

  • the invention relates to a powder coating booth, a powder coating system and a method for operating the powder coating booth.
  • the workpieces to be coated are usually located during the coating process within a powder coating booth, which is also referred to below as cabin or coating booth in the following. Since not all of the powder particles sprayed by the powder spray applicators during the coating process adhere to the workpieces to be coated, the excess powder, which is also referred to as overspray, must be removed from the booth again. This is necessary on the one hand because the environment outside the cabin is to be kept free of powder dust. On the other hand, the danger of explosion when exceeding a certain powder concentration by the powder dust cloud floating in the cabin increases. This should be avoided.
  • Manual cleaning of the powder coating booth is known to take a relatively long time. During this time, the coating plant is not available for production. Another disadvantage of manual cleaning is that personnel are exposed to the risk of inhaling pollutants during cleaning.
  • a powder coating booth which is equipped with a device for automatic cleaning of the cabin.
  • On the side of the cabin there is a suction duct with a vertical slot-shaped suction opening directed towards the interior of the cabin.
  • the shaft and the suction slot extend over the entire height of the cabin.
  • the suction duct is connected to the cyclone.
  • In the bottom of the cabin is a bypass opening, which is connected via a bypass line with a secondary filter.
  • the powder coating booth has a lowerable roof that can be lowered into the cabin via a series of cables.
  • the roof carries compressed air tanks and nozzles that blow in the direction of the cabin walls as the roof is lowered.
  • the air is sucked through the suction slot in the suction shaft.
  • a bulkhead which is the suction shaft closes airtight at the top and is moved down together with the roof.
  • the bypass opening in the cabin floor is opened and the air is sucked into the after-filter via the bypass line.
  • An object of the invention is to provide a powder coating booth, a powder coating system and a method for operating the powder coating booth, in which a fast and automated cleaning of the cabin is possible.
  • the abovementioned disadvantages are avoided with the solution according to the invention.
  • the car roof does not touch the cabin walls.
  • the color change is accelerated by the quick cleaning of the cabin.
  • a further advantage is that with the solution according to the invention the powder waste is minimized.
  • the powder coating booth according to the invention comprises cabin walls and a roof which can be lowered between the cabin walls, a gap being provided between the roof and the cabin walls.
  • the roof has compressed air nozzles for spraying the cabin walls.
  • a support device is provided which carries the roof.
  • a vertical slot is provided, through which the support device protrudes into the cabin and in which the support device is movable.
  • the cabin comprises a floor with an exhaust, which is connected via a suction pipe with the suction inlet of a cyclone separator.
  • the powder coating system according to the invention comprises the powder coating booth described above and a Cyclone separator connected to the powder coating booth.
  • the object is also achieved by a method for operating the powder coating booth having the features specified in claim 15.
  • the first slot between the first and the second roof panel is closed before the cleaning begins.
  • a vertical guide for the carrying device is provided, which is arranged outside the spray coating space of the cabin. This has the advantage that the vertical guide remains free of coating powder and thus does not contaminate during the coating operation.
  • the vertical guide for the carrying device is arranged laterally outside the spray coating space of the booth.
  • the vertical slot is arranged in a corner of the cabin. Instead of connecting and sealing the cabin walls in the corner, the slot can be realized there in a simple way.
  • the roof has a first roof panel and a second roof panel. At least one of the roof panels is horizontally movable. During the cleaning operation can be reduced or completely closed by moving the roof panel, the gap in the roof, which is intended for the transport of the workpiece. Thus, during the cleaning operation no or almost no air passes through the transport gap from the cabin.
  • the roof panels may be positioned to project at least partially over the cabin walls.
  • the roof panels can even rest on top of the cabin walls. In this way, the gap between the roof and the cabin walls can be minimized or even eliminated altogether.
  • the compressed air nozzles are divided into several groups.
  • the groups can be operated independently of each other. Thus, if required, one or more of the groups can be switched on or off.
  • a drive is provided with which the first roof panel is horizontally movable.
  • a motor is provided with which the roof is vertically movable.
  • a passage for a powder spray applicator can be arranged in one of the booth walls.
  • the spray applicator passage is arranged in the cabin side wall so that it has as large a distance as possible from the slot provided for the carrier device. This has the advantage that the air that enters the cabin during the coating operation through the spray applicator passage does not or only slightly escapes through the slot again.
  • Compressed-air nozzles may be provided in at least one of the cabin side walls of the cabin according to the invention, the blowing direction of which being aligned with the spray applicator passage. This allows the spray applicator passage to be kept free of coating powder.
  • a sliding door can be provided, with which the spray applicator passage can be closed.
  • a door can be provided on the front side of the cabin, in which compressed-air nozzles are arranged.
  • the inventive cabin it is also possible in the inventive cabin to provide a blow bar with a plurality of compressed air nozzles, which is arranged at the bottom of the cabin.
  • the compressed air nozzles of the blow bar can be divided into several sections in the cabin according to the invention.
  • the sections are designed such that they can be operated independently of one another.
  • the roof is moved downwards and compressed air is blown in the direction of the cabin walls with the nozzles.
  • the powder coating system 100 comprises a powder coating booth 1 and a cyclone separator 2 connected to the powder coating booth 1.
  • the cyclone separator 2 To remove the overspray from the cabin 1, it is sucked together with the air in the cabin as a powder-air mixture via two suction lines 5 and 6 from the cabin 1 and fed via a suction line 7 to the cyclone separator 2.
  • This can be designed for example as a monocyclone.
  • Such a cyclone, or in short cyclone, is from the document EP 1 319 442 A1 known.
  • the powder-air mixture flows tangentially via a suction inlet 2.1 in the cyclone 2 and in the cyclone spiral down.
  • the Powder particles by the resulting centrifugal force during the rotation of the powder air flow to the outside of the outer wall of the cyclone 2 is pressed.
  • the powder particles are conveyed downwards in the direction of the powder outlet 2.3 of the cyclone 2 and collected there.
  • the freed from the powder particles air is sucked through a central tube located in the cyclone 2 via a powder pump and passes through an outlet 2.2 from the cyclone.
  • the air stream cleaned in this way is still supplied via suction lines 8 and 10 to a secondary filter 4 in order also to filter out the residual powder remaining in the air.
  • the powder coating system 100 may also include the post-filter 4 for this purpose. Unlike in the cyclone 2 is driven in the afterfilter 4 usually loss. That is, the filtered-out in the post-filter 4 powder is no longer supplied to the coating process, but disposed of. In Nachfilter 4 is the vacuum generation for the cyclone. 2
  • the overspray extracted from the booth 1 is recovered and reused for the coating of the work piece.
  • the cyclone 2 is placed in flow before the afterfilter 4. In this way, the overspray is sucked out of the cabin 1 via the suction channels 5, 6 and 7 and recovered in the cyclone 2.
  • the coating system 100 is to be operated in loss mode
  • a cyclone is dispensed with and aspirated directly via the afterfilter 4.
  • the overspray is sucked out of the cabin 1 via the suction lines 5, 6, 7, 8 and 10 and filtered out in the afterfilter 4.
  • the powder pump below the cyclone 2 promotes directly to the post-filter 4 to loss.
  • the filtered out through the post-filter 4 overspray is no longer used for coating.
  • the coating system 100 to operate in loss mode may be advantageous if frequent color changes take place.
  • the powder coating system may also have a powder center 3.
  • the plant controller 110 may be located in or at the powder center 3, for example.
  • the powder center 3, which includes a powder supply device and often also its own ventilation, is in the present embodiment between the cyclone 2 and the post-filter 4.
  • the powder center 3 can be connected via a suction 9 with the post-filter 4. This is particularly advantageous for cleaning the powder supply device.
  • Powder spray applicators 22 (see FIG. 3) are supplied with powder via powder supply lines via powder center 3.
  • the powder supply lines used for this purpose are not shown in the figures. They can be routed to the powder applicators 22 via cable ducts 26 arranged above the cabin 1.
  • the cable channels 26 may also serve to receive electrical lines, such as power cables and control lines.
  • the powder spray applicators 22 or, in short, powder applicators may be, for example, automatic spray guns or manually operated powder spray guns.
  • the powder applicators may be attached to one or more linear lifting devices 20 and 21.
  • the Linearhuberie 20 and 21 are laterally adjacent to the car 1 and as well as the cabin. 1 on the ground 11. With the help of Linearhubieri 20 and 21, the powder applicators 22 can be moved together up and down, that is, along the y-axis, moves. In addition, the powder applicators 22 can be moved with the Linearhubierin 20 and 21 also along the z-axis and thus into the cabin 1 and out of the cabin.
  • the powder applicators 22 are arranged so that a workpiece 25, which is moved by a conveyor 12 through the car 1, can be coated with them.
  • the cabin 1 has openings for the workpiece 25 on its front sides and openings for the powder applicators 22 on its longitudinal sides.
  • the one end of the cabin 1 is formed by cabin side walls 15, 16 and the other end side by cabin side walls 17, 18 (see FIGS. 1 and 2 ).
  • the longitudinal sides of the car 1 are formed by cabin side walls 13 and 14 (see FIG. 3 ).
  • the conveyor 12 is shown in the figures only sketchy.
  • FIG. 3 is a possible embodiment of the inventive powder coating booth 1 in front view in section.
  • the cabin 1 comprises a lowerable roof 30, which is in FIG. 3 located in the upper end position. In FIG. 4 the roof 30 is lowered about halfway. In FIG. 5 is the roof 30 in the lower end position.
  • FIG. 6 shows the inventive powder coating booth 1 in side view.
  • FIG. 7 the inventive powder coating booth 1 is shown in cross section from above. The section runs along the section line BB.
  • FIG. 8 shows an enlarged section of the powder coating booth according to the invention in cross section.
  • the roof 30 may include a first roof panel 31 and a second roof panel 32.
  • the first roof panel 31 and the second roof panel 31 are planar components which, relative to the surface thereof, are relatively thin. They are supported by a support device, wherein the support device may have four support arms 33, 34, 35 and 36.
  • the two support arms 33 and 35 carry the first roof panel 31 and the two support arms 34 and 36, the second roof panel 32.
  • the support device is guided via vertical guides 37, 38, 39 and 40.
  • the guides 37, 38, 39 and 40 are located on the outside of the cab 1. In a quadrangular cabin, the guides 37, 38, 39 and 40 are preferably arranged in the corners of the cab 1 (see FIG. 7 ). This is not mandatory.
  • a similar construction similar can also be realized in a cylindrical in cross-section cabin.
  • the vertical guides 37, 38, 39 and 40 are arranged so that they are suitable for guiding the support arms 33 to 36.
  • Each of the guides 37, 38, 39 and 40 may be secured to a support 97.
  • the supports 97 are located in the corners of the car 1.
  • Each of the support arms 33 to 36 projects through a correspondingly formed slot 61 in the cabin wall into the cabin interior 1.1 (see FIG. 8 ).
  • the cabin side wall 13 each have such a slot 61 at their front ends.
  • the cabin wall 14 may also have such a slot 61 at their front ends.
  • the width of the slots 61 may be selected so that the support arms 33 to 36 are movable up and down, without touching the cabin wall 13 and 14 respectively.
  • the support device Via a drive 41 and a drive shaft 49, the support device can be moved up and down.
  • the drive 41 and the drive shaft 49 are preferably located in the lower region of the car 1. It is also advantageous to arrange the drive shaft 49 on the longitudinal side on the outside of the cabin side wall 13 of the car 1. This has the advantage that no powder deposits on the drive 41 and the drive shaft 49.
  • the drive shaft 49 is connected to a gear 45. In the upper region of the cabin 1, there is a further gearwheel 43 above the gearwheel 45. A chain 47 runs over the two gearwheels 43 and 45, to which the carrying arm 37 is fastened.
  • the drive shaft 49 may be connected at its two ends, each with a gear 45.
  • the drive 41 drives the two gears 45 via the drive shaft 49.
  • the gears 45 In the upper part of the car 1 is located above the two gears 45 each have a further gear 43.
  • the chain 47 In the left cabin corner runs over the two gears 43 and 45, the chain 47, in the right cabin corner runs over the two other gears 43 and 45, a chain 48th On the chain 48, the support arm 33 is attached.
  • the same structure is located on the second longitudinal side / side wall 14 of the car 1.
  • There is also a drive 42 which drives a shaft and two gears 46. About two other chains running above each a gear, the support arms 34 and 36 are moved up and down.
  • the embodiment shown has the advantage that only one drive 41, 42 is required per roof panel 31, 32.
  • the drives 41 and 42 may be, for example, electric motors.
  • pulleys 42, 43, 44 and 45 can also be used instead of the gears.
  • the pillars 97 and struts extending between the pillars form the basic structure of the cab 1.
  • the basic structure can also have plates, plates, panels or the like and elements for the lining, which are fastened to the pillars and / or to the struts. Some of them are in FIG. 15 shown.
  • a compressed air pressure tank 81 which is fixed to the basic structure of the car 1.
  • eight valves 84 and eight pressure regulator 85 are arranged there.
  • the compressed air pressure tank 81 is connected to the outlet side of each of the eight valves 84.
  • the outlets 83 of the eight valves 84 in turn are each connected via a compressed air line, not shown in the figures, to the corresponding compressed air inlet 85.1 of the eight pressure regulators 85.
  • the outlets 85.2 of the eight pressure regulators 84 are connected via compressed air lines with eight compressed air connections 31.1 to 31.8 of the roof panel 31.
  • a further compressed air pressure tank 82 which is also attached to the basic structure of the cabin 1.
  • eight valves 87 and eight pressure regulator 85 are arranged there.
  • the compressed air pressure tank 82 serves to supply the roof panel 32 with compressed air and may be identical to the compressed air pressure tank 81.
  • the compressed air pressure tank 82 is connected on the outlet side with the eight valves 87.
  • Each of the valve outlets 86 is connected via a compressed air line to one of the compressed air inlets of the pressure regulator 85.
  • the eight pressure regulators 85 are connected via compressed air lines, not shown, with eight compressed air connections 32.1 to 32.8 of the roof panel 32. With the help of the eight pressure regulators 85, the air pressure in each of the compressed air lines leading to the eight roof panel compressed air connections 32.1 to 32.8 can be adjusted separately.
  • the compressed air tanks 81 and 82 and the associated pressure regulators and valves may also be mounted on the roof 30.
  • the above-mentioned compressed air lines may be formed, for example, as hoses.
  • the valves 84 and 87 can be controlled by the controller 110 with compressed air or electrically.
  • the controller 110 is preferably designed so that each of the total of 16 valves 84 and 87 are controlled separately and thus each valve can be opened or closed separately.
  • Each of the ports 32.1 to 32.8 in the roof panel 32 is connected via a compressed air channel 32.41 to 32.81 with a certain number of nozzles 70 in order to supply them with compressed air ( FIG. 10 ).
  • a compressed air channel 32.41 to 32.81 32 corresponding dividing walls 32.50 are provided inside the roof panel. Instead, the compressed air channels 32.41 to 32.81 can also be formed by compressed air hoses. The same applies mutatis mutandis to the roof panel 31st
  • the nozzles 70 are arranged on the side surfaces of the roof panels 31 and 32 (see FIGS. 9 to 12 ).
  • the compressed air lines extend in the roof panels 31 and 32.
  • the connection 32.1 supplies the nozzles 70 in the left corner region of the roof panel 32 and the connection 32.4 the nozzles 70 in the right corner region.
  • the nozzles 70 are thus divided into eight groups, each of the groups can be supplied separately with compressed air.
  • the number of pressure regulators, valves, connections and groups of nozzles is not limited to eight but should serve as an example. It can also be more or less.
  • the nozzles 70 can be arranged on the longitudinal side of the roof panel 32 in, for example, four groups 32.30 to 31.33. Each of the groups can be supplied separately with compressed air if required.
  • the inventive solution has the advantage that the space required for the mechanism for lowering the roof 30 above the roof is kept to a minimum.
  • an air baffle 75 may be arranged, which is supplied via compressed air lines, not shown, with compressed air.
  • the suction lines 5 and 6 extend below the cabin floor 19 and have suction openings 5.1 and 6.1, respectively.
  • the suction opening 5.1 is located in the cabin floor 19 and connects the cabin interior 1.1 with the suction line 5.
  • the suction opening 6.1 is also located in the cabin floor 19 and connects the cabin interior 1.1 with the suction line 6.
  • the suction openings 5.1 and 6.1 may be slit-shaped and parallel to the Side walls 13 and 14 run.
  • the air blast strip 75 may consist of several Blasraunabitesen and extend over the entire length of the bottom 19. It can be provided that each of the Blasraunabitese, can be acted upon by its own control valve with compressed air. It can also be provided that a separate compressed air tank is available for supplying the blow bar 75.
  • the control of Valves are preferably carried out with the controller 110, which is connected via corresponding control lines to the valves.
  • the blow bar 75 is shown in front view.
  • all Blasraunabitese can be constructed the same.
  • the blower 75 can as in FIG. 11 shown, two air channels 75.1 and 75.2, which are closed at the end of Blasraunabitess.
  • the Heilblasangnabitese have transverse to the air channels 75.1 and 75.2 lying holes that form the nozzles for the air outlet. From the publication EP 1 466 670 B1 the construction of such a blow bar for the floor is known. The content of the document is part of the present application.
  • the powder applicators 22 are moved out of the cabin interior 1.1, so that the cabin interior 1.1 is free of obstacles. While the Powder applicators 22 are moved out of the cab 1, they can be blown off with in or on the cabin side walls 13 and 14 located compressed air nozzles 71 (see Figures 13 and 14 ).
  • the transport gap 62 between the two roof panels 31 and 32 is reduced or completely closed by the two roof panels 31 and 32 are moved horizontally toward each other.
  • the two arrows in FIG. 3 indicate this.
  • the movement of the roof panels 31 and 32 can be done by means of the drives 102 and 105.
  • the drives 102 and 105 may be formed as a compressed air cylinder and actuated via compressed air connections 103.
  • the roof panel 31 is attached via a mounting bracket 106 on the support arm 33 horizontally movable.
  • a guide rail 104 and the mounting bracket 106 two guide shoes 107 are provided on the support arm 33.
  • the same structure is also on the support arm 35.
  • the roof panel 31 can be moved back and forth. The same applies mutatis mutandis to the roof panel 32. It may be sufficient per Dachpaneel only a compressed air cylinder 102 and 105, respectively.
  • the doors 65 for the powder applicators (FIG. FIG. 6 ) and the doors 15, 16, 17 and 18 for the workpieces 25 (FIG. FIG. 7 ) getting closed. If the booth also has a manual coating booth, the manual coating opening can also be closed.
  • compressed air is blown through the nozzles 70 on the roof panels 31 and 32 in the direction of the side walls 13-18.
  • the area of the side walls 13 - 18, on which the compressed air strikes, is cleaned.
  • the roof 30 is lowered (see Figure 4) while continuing to compressed air in the direction of the side walls 13 - 18 is blown.
  • compressed air DL is blown through the blow bar 75 between the floor 19 and the undersides of the roof panels 31 and 32.
  • 31 and 32 spacers 31.10 and 32.10 can be provided on the undersides of the roof panels.
  • the roof panels 31 and 32 can again be moved horizontally away from each other until they touch the cabin side walls 13 and 14 or form a minimum gap with the cabin side walls 13 and 14, respectively.
  • the entire intake air flows through the air gap which exists between the underside of the roof 30 and the cabin floor 19 ( FIG. 11 ).
  • the nozzles 70 can still spray compressed air when the roof 30 has arrived in its lower end position. As a result, the cleaning effect in the bottom area can be reinforced.
  • the air is sucked out of the cabin interior 1.1 via the two suction openings 5.1 and 6.1 and the suction lines 5 and 6 via the cyclone separator 2 during the entire cleaning operation.
  • FIG. 14 shows the side wall 14 of the cab 1 with a plurality of blow bars 72 and nozzles 71 in a three-dimensional view.
  • FIG. 13 shows an enlarged section of the side wall 14 in a three-dimensional view.
  • the nozzles 71 can be combined to form a group and a plurality of such groups can be present. If necessary, each of the groups can be controlled separately by the controller 110. In this way, a group of nozzles, when it is not needed, switched off and so compressed air can be saved.
  • one group each corresponds to a blow bar 72.
  • the compressed air lines which supply the nozzles 71 with compressed air, can be laid on the cabin wall 14 behind a cover 73. This has the advantage that it allows the compressed air lines to be kept free of powder.
  • one or more sliding doors 65 may be provided, as shown in FIG FIG. 6 is shown. With the sliding doors 65 or the passage openings 14.1 and 14.2 can be closed in the cabin wall 14. This is helpful, for example, during the cleaning operation. It prevents the powder-air mixture through the passages 14.1 and 14.2 can escape from the cabin 1. The same applies mutatis mutandis to the opposite side wall 13th
  • Each door can have a drive to automatically close and open it.
  • Each door can also have two drives; a drive to close the door and a drive to open the door.
  • the two openings on the front sides of the car 1, which are provided for the workpiece transport can be closed. This is particularly useful in cleaning operation, because then prevents the powder-air mixture can escape through the openings.
  • This can be done with there attached doors 15, 16 and 17, 18.
  • the doors 15 to 18 are shown in the closed state.
  • the doors 15 to 18 can be opened and closed with drives 55 to 58.
  • the drives 55 to 58 may be designed as compressed air cylinders and be controlled by the controller 110.
  • the two cabin openings for the workpiece 25 can instead of two doors (see FIG. 7 ) also with only one door will be closed.
  • the doors can be sliding or hinged doors.
  • one or more flaps 64 can be arranged above the side wall 14. If the flaps 64 are opened, the pressure tank 82, the valves 87 and the pressure regulator are easily accessible through the openings. In order to facilitate access to the pressure tank 81, the valves 84 and the pressure regulator 85, one or more flaps may also be provided above the cabin side wall 13.

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  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
EP16204183.4A 2016-12-14 2016-12-14 Cabine de revêtement par pulvérisation, installation de revêtement par pulvérisation et procédé de fonctionnement d'une cabine de revêtement par pulvérisation Active EP3335802B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES16204183T ES2774468T3 (es) 2016-12-14 2016-12-14 Cabina de recubrimiento en polvo, instalación de recubrimiento en polvo y procedimiento para el funcionamiento de la cabina de recubrimiento en polvo
EP16204183.4A EP3335802B1 (fr) 2016-12-14 2016-12-14 Cabine de revêtement par pulvérisation, installation de revêtement par pulvérisation et procédé de fonctionnement d'une cabine de revêtement par pulvérisation
CN201711304769.2A CN108212632B (zh) 2016-12-14 2017-12-11 粉末涂覆舱、粉末涂覆设施和操作该粉末涂覆舱的方法
US15/839,246 US10406550B2 (en) 2016-12-14 2017-12-12 Powder coating booth, powder coating installation and method for operating the powder coating booth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16204183.4A EP3335802B1 (fr) 2016-12-14 2016-12-14 Cabine de revêtement par pulvérisation, installation de revêtement par pulvérisation et procédé de fonctionnement d'une cabine de revêtement par pulvérisation

Publications (2)

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EP3335802A1 true EP3335802A1 (fr) 2018-06-20
EP3335802B1 EP3335802B1 (fr) 2019-11-27

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EP16204183.4A Active EP3335802B1 (fr) 2016-12-14 2016-12-14 Cabine de revêtement par pulvérisation, installation de revêtement par pulvérisation et procédé de fonctionnement d'une cabine de revêtement par pulvérisation

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US (1) US10406550B2 (fr)
EP (1) EP3335802B1 (fr)
CN (1) CN108212632B (fr)
ES (1) ES2774468T3 (fr)

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JP7305639B2 (ja) * 2017-11-24 2023-07-10 エリコン メテコ アクチェンゲゼルシャフト、ヴォーレン 吸気システムを含む溶射キャビン
CN109013150A (zh) * 2018-09-26 2018-12-18 广东创智智能装备有限公司 一种管状件内外涂装生产线及工艺
CN109647651A (zh) * 2018-12-14 2019-04-19 中山市君禾机电设备有限公司 一种喷粉房顶板结构
CN109530144A (zh) * 2018-12-14 2019-03-29 中山市君禾机电设备有限公司 一种可进行快速清理的喷粉房
CN111097635A (zh) * 2020-02-17 2020-05-05 无锡润安涂装科技有限公司 一种喷涂回收装置

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EP0721804A2 (fr) * 1995-01-13 1996-07-17 ITW Gema AG Dispositif de revêtement par pulvérisation
EP1319442A1 (fr) 2001-12-14 2003-06-18 J. Wagner AG Procédé et dispositif de récupération de poudre pour le poudrage électrostatique
DE102006055688A1 (de) * 2005-12-08 2007-06-14 J. Wagner Ag Pulverbeschichtungskabine
EP1466670B1 (fr) 2003-04-11 2009-02-18 J. Wagner AG Dispositif de nettoyage de cabine de revêtement par poudrage et cabine de revêtement par poudrage munie d'un dispositif de nettoyage
US20100175616A1 (en) 2005-09-19 2010-07-15 Nordson Corporation Powder coating booth
EP2368643A1 (fr) * 2010-03-09 2011-09-28 J. Wagner AG Installation de revêtement par poudre destinée à recouvrir des pièces usinées avec de la poudre

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IT1221872B (it) 1983-03-16 1990-07-12 Ferdinando Trevisan Cabina di verniciatura a polveri rivestita di superfici rapidamente eliminabili dopo l'uso e l'imbrattamento e sostituibili con altre nuove e pulite,per ottenere la massima riduzione dei tempi morti di pulizia ad ogni cambio di colore e contemporaneamente i migliori risultati di pulizia generale
DE4131287A1 (de) 1991-09-20 1993-03-25 Gema Volstatic Ag Pulver-spruehbeschichtungsanlage
JP3250020B2 (ja) 1992-07-01 2002-01-28 ノードソン株式会社 粉体塗布用ブース
DE19524327A1 (de) 1994-10-24 1996-04-25 Erich Kraemer Pulverbeschichtungskabine
DE59507048D1 (de) * 1995-02-15 1999-11-18 Wagner International Ag Altsta Reinigungseinrichtung für eine Pulverbeschichtungskabine
DE19920466A1 (de) * 1999-05-04 2000-11-09 Erich Kraemer Verfahren zum Abreinigen eines Innenraums einer Beschichtungskabine, insbesondere einer Pulverbeschichtungskabine sowie Beschichtungskabine, insbesondere Pulverbeschichtungskabine mit Reinigungseinrichtung
US9339835B2 (en) * 2012-02-06 2016-05-17 Nordson Corporation Overspray collection apparatus for a powder spray booth
DE102013222301B4 (de) * 2013-11-04 2024-01-25 Dürr Systems Ag Filteranlage zum Abscheiden von Verunreinigungen aus einem Verunreinigungen enthaltenden Rohgasstrom, Lackieranlage und Verfahren zum Abscheiden von Verunreinigungen aus einem Verunreinigungen enthaltenden Rohgasstrom
CN204134800U (zh) * 2014-09-17 2015-02-04 中山市君禾机电设备有限公司 一种应用于粉末喷涂线的立式喷房

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Publication number Priority date Publication date Assignee Title
EP0721804A2 (fr) * 1995-01-13 1996-07-17 ITW Gema AG Dispositif de revêtement par pulvérisation
EP1319442A1 (fr) 2001-12-14 2003-06-18 J. Wagner AG Procédé et dispositif de récupération de poudre pour le poudrage électrostatique
EP1466670B1 (fr) 2003-04-11 2009-02-18 J. Wagner AG Dispositif de nettoyage de cabine de revêtement par poudrage et cabine de revêtement par poudrage munie d'un dispositif de nettoyage
US20100175616A1 (en) 2005-09-19 2010-07-15 Nordson Corporation Powder coating booth
DE102006055688A1 (de) * 2005-12-08 2007-06-14 J. Wagner Ag Pulverbeschichtungskabine
EP2368643A1 (fr) * 2010-03-09 2011-09-28 J. Wagner AG Installation de revêtement par poudre destinée à recouvrir des pièces usinées avec de la poudre

Also Published As

Publication number Publication date
US20180161797A1 (en) 2018-06-14
EP3335802B1 (fr) 2019-11-27
US10406550B2 (en) 2019-09-10
ES2774468T3 (es) 2020-07-21
CN108212632B (zh) 2021-11-19
CN108212632A (zh) 2018-06-29

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