EP1125639B1 - Cabine de poudrage de pièces - Google Patents

Cabine de poudrage de pièces Download PDF

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Publication number
EP1125639B1
EP1125639B1 EP00105655A EP00105655A EP1125639B1 EP 1125639 B1 EP1125639 B1 EP 1125639B1 EP 00105655 A EP00105655 A EP 00105655A EP 00105655 A EP00105655 A EP 00105655A EP 1125639 B1 EP1125639 B1 EP 1125639B1
Authority
EP
European Patent Office
Prior art keywords
compartment
suction
floor
discharge belt
cabin
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
EP00105655A
Other languages
German (de)
English (en)
Other versions
EP1125639A1 (fr
Inventor
Armando Volonté
Christoph Keller
Horst Dr. Adams
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
Application filed by Wagner International AG filed Critical Wagner International AG
Publication of EP1125639A1 publication Critical patent/EP1125639A1/fr
Application granted granted Critical
Publication of EP1125639B1 publication Critical patent/EP1125639B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • 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
    • 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

Definitions

  • the invention relates to a cabin for powder coating workpieces with a Bottom, two side walls, two end walls, of which at least one end wall is one Has door opening for retracting and / or extending workpieces, a ceiling and one Extraction system outside the cabin.
  • the workpieces are usually introduced with a conveyor and coated with powder. Not all of this is reflected in application devices powder conveyed in the direction of the workpieces onto the workpieces. The vast majority Part of this so-called excess powder is deposited on the floor of the cabin.
  • the invention has for its object to provide a cabin of the type mentioned fen, which is simple in construction, allows perfect suction of the excess powder and is easy to clean, including the suction channel.
  • a cabin according to the invention has a walkable floor in the form of a stationary plate or a discharge conveyor.
  • These sloping walls are preferably on the inside of the side walls pivoted so that it can be cleaned against the vertical insides the side walls are foldable or removable.
  • the pivotable articulation of the sloping walls on the inside of the side walls a simple Setting the between the bottom edges of the sloping walls and the bottom of the Cabin formed suction gaps to desired gap widths.
  • a cabin according to the invention is rare because of its simple structure and thanks to the required and inexpensive cleaning very inexpensive.
  • the invention is with Can also be used for long cab designs.
  • the articulation points 23, 25 can be horizontal hinge axes around which the inclined Walls 22, 24 can be folded up against the side walls 2, 4.
  • the sloping walls 22, 24 have the lower edges in the embodiments according to FIGS. 1 and 3 downwardly projecting ribs 27 (Fig. 2), which are on a stationary floor Support 32 of the cabin.
  • the ribs 27 are in accordance with FIG. 2 at regular intervals the length of the cabin is distributed so that a gap of constant gap width s is generated between the lower edges 26, 28 and the floor 32 of the cabin.
  • About this Gap can laterally from the interior of the cabin excess powder that is on the floor 32 has deposited, can be sucked into a suction channel 34, 36, which from the bottom of the respective inclined wall 22, 24, the lower region of the inside of the side wall 2, 4th and the bottom 32 is limited in the lower corner.
  • the ribs 27 can also project upwards from the bottom 32 and the lower edges Support 26, 28 of the sloping walls 22, 24.
  • a single scoop 11 is provided outside the cabin, into which the suction channels 34, 36 open via the two openings 15, 17.
  • alternative can connect separate channels outside the cabin to the two openings 15, 17 and only at a distance from each other to a common outer suction channel (not shown) unite.
  • FIG. 3 differs from that of FIGS. 1 and 2 in that in the area between the lower edges 26, 28 of the sloping walls 22, 24 a narrow one Discharge conveyor 40 is arranged, which can be driven in the direction of the exit-side door opening 16 is.
  • the discharge belt runs through the outlet-side end wall 16 and below the attached hood 41 with its upper strand 42 on a slot-shaped Opening 44 of the scoop over.
  • the hood 41 covers in the embodiments according to FIG. 3 to 5 the entire width of the cabin, being on both sides with the openings 15, 17th of the suction channels 34, 36 and below via the slit-shaped opening 44, in total Communicates via three suction openings, so that excess powder is even more effective than with the 1 can be sucked out of the interior of the cabin.
  • FIG. 4 also has a discharge belt 40 with an upper strand 42 5 also applies to the embodiment according to FIG. 4.
  • Words is the arrangement of the discharge belt 40 below that with a slit-shaped Opening 44 provided hood 41 the same.
  • the discharge belt 40 in this case on both sides in the width direction the lower edges 26, 28 of the sloping walls 22, 24 protrude.
  • the side edges of the wide discharge belt 40 according to FIG. 4 covered on both sides with sealing strips 46 made of an elastomer material.
  • FIGS. 1 to 3 shows two further special features with regard to the sloping walls according to the invention 22, 24, which could also be present as an alternative in the embodiments according to FIGS. 1 to 3:
  • the sloping walls are not fixed here but removable on the inside of the vertical Side walls 2, 4 attached. Constructively, this can be done in that the upper Ends of the sloping walls 22, 24 hooks 47, 48 are attached in the assembled state via horizontal bars 49 fastened to the side walls 2, 4 (shown on the left in FIG. 4) or hung in horizontal longitudinal grooves in the side walls (drawn on the right in FIG. 4) are.
  • the sloping walls 22, 24 can be easily removed by unhooking the cabin walls should be cleaned.
  • sloping walls 22, 24 with adjusting devices 52 are provided, by means of which the inclined walls 22, 24 around the articulation points 23, 25 can be pivoted so that the gap width s can be adjusted.
  • the adjusters 52 are formed by vertical adjustment columns 54 in the embodiment shown are divided and their length can be changed manually by turning adjusting nuts 56 is.
  • the adjustment columns can be adjusted mechanically, hydraulically or pneumatically Telescopes are formed.
  • a cabin according to the invention is accessible in all versions, in the version according to 1 and 2 on the stationary floor 32 and in the embodiments according to FIG. 3rd to 5 on the discharge belt 40.
  • the sloping walls 22, 24 are either folded upwards (Execution according to FIGS. 1 to 3) or removed (execution according to FIG. 4), which is the cleaning allows both the interior of the cabin and the suction channels 34, 36 in a simple manner.
  • the invention is not based on an arrangement with two door openings 14, 16 at the two ends limited but can also be used in a version with only one door opening is provided, through which the workpieces 20 retracted for coating and after the Coating process in the opposite direction can be extended again.
  • the workpieces 120 are one Conveyor 106 moves of a known type. From a vertical series of electrostatic Spray guns 107 paint powder through a vertical longitudinal opening into the interior of the Sprayed cabin. Excess powder not reaching the workpiece 120 falls on it Discharge belt 109 above the stationary floor 102 and is one of a total with 108 designated suction system.
  • the discharge belt 109 is below a scoop 111 connected to the suction system 108 is led out of the cabin and can be cleaned there by suction through a slot opening (not shown) in the scoop bottom. On at this point, the discharge belt 109 is deflected via a pair of deflection rollers 110 and below returned to the cabin.
  • a scoop 211 is at the outlet end Connection to a suction system provided.
  • the scraper 211 stands with a pair of suction channels 212 connected to the stationary floor 202 of the cabin along the two side walls 203 are realized.
  • These suction channels 212 are each one of the bottom 202 vertical side walls 203 and a series of inclined plates 213, which are longitudinal their lower edges are provided with ribs or support feet 214.
  • the plates 213 are supported by the ribs 214 on the floor 202 of the cabin while they are supported with their upper edges on the side walls 203, preferably with one Guide rail 215 are engaged, which are attached to the side wall and shaped in profile is that they have a series of hooks not shown in Fig. 7 at the top of the Can record plates 213 or the like.
  • the ribs 214 supported on the floor 202 keep the bottom edges of the panels 213 slightly raised, creating the full length the cabin is formed a suction gap through which the excess deposited on the floor Powder is sucked off.
  • This suction gap preferably has a lengthwise direction from the exit end (left in FIGS. 6 and 7) to the entry end (right in FIGS. 6 and 7) continuously increasing gap width by the pressure difference falling towards the inlet end equalize the suction air to the ambient pressure and thus for one over the cabin length to ensure constant suction.
  • the scoop 111, 211 can be directly connected to the suction channel 112, 212 and the Suck air from one end of the same.
  • the plates 213 can be firmly attached to the guide 215 in a foldable manner. Particularly advantageous is a solution in which the plates 213 simply rest on the bottom 202 and above Support on the wall 203 of the cabin and can therefore be easily removed. This allows effective and extremely quick cleaning of both the cabin and the flaps and shortened the processes involved in a powder change are very significant.
  • the cross section is the line in the axial direction is preferably variable in order to reduce pressure losses during the movement equalize the air and have a substantially uniform suction throughout To ensure length of the cabin.
  • the line can have a constant cross-section and the suction openings can have a variable cross-section.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Coating Apparatus (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (16)

  1. Cabine pour le revêtement à poudre de pièces (20) comportant un plancher (32, 40) praticable, deux parois latérales (2,4), deux parois frontales (10, 12) dont une paroi frontale au moins présente une ouverture de porte (14, 16) pour l'introduction et/ou l'extraction des pièces, ainsi qu'un système d'aspiration à l'extérieur de la cabine, une paroi oblique (22, 24) étant disposée entre la face intérieure d'au moins une paroi latérale (2, 4) et le plancher, caractérisée en ce que cette paroi oblique (22, 24) délimite avec la paroi latérale (2, 4) et le plancher un canal d'aspiration (34, 36) dans une zone d'angle inférieure de la cabine et respecte, par son bord inférieur (26, 28), sur au moins une partie de la longueur de la cabine, une distance définie par rapport au plancher (32, 34) afin de former une fente d'aspiration (s) par laquelle on peut aspirer dans le canal d'aspiration (34, 36) la poudre excédentaire qui s'est déposée sur le plancher.
  2. Cabine selon la revendication 1, caractérisée en ce que le plancher comprend au moins une plaque (32) fixe, sensiblement horizontale.
  3. Cabine selon la revendication 1, caractérisée en ce que le plancher (32) comprend une bande d'extraction (40).
  4. Cabine selon la revendication 3, caractérisée en ce que la bande d'extraction (40) peut être entraínée en direction d'une paroi frontale (12) à laquelle est raccordé le système d'aspiration.
  5. Cabine selon l'une des revendications 1 à 4, caractérisée en ce que deux parois obliques (22, 24), inclinées symétriquement l'une par rapport à l'autre, sont prévues dans les deux zones d'angle inférieures de la cabine.
  6. Cabine selon la revendication 5, caractérisée en ce que la bande d'extraction (40) présente une largeur (b) inférieure à la distance (a) entre les bords inférieurs (26, 28) des deux parois obliques (22, 24).
  7. Cabine selon la revendication 6, caractérisée en ce que entre chaque bord latéral de la bande d'extraction (40) et le bord inférieur (26, 28) respectif de la paroi oblique correspondante, est respectée une distance minimale (d) qui en particulier n'est pas inférieure à 5 cm.
  8. Cabine selon la revendication 5, caractérisée en ce que la bande d'extraction (40) dépasse des deux côtés, dans le sens de la largeur, des bords inférieurs (26, 28) des parois obliques (22, 24).
  9. Cabine selon la revendication 8, caractérisée en ce que les bords latéraux de la bande d'extraction sont rendus étanches au moyen de bandes d'étanchéité (46).
  10. Cabine selon l'une des revendications 1 à 9, caractérisée en ce que le ou chaque canal d'aspiration (34, 36) communique par une ouverture (15, 17) de l'une des deux parois frontales, avec une hotte (11, 41) placée à l'extérieur de la cabine et qui est raccordée au système d'aspiration.
  11. Cabine selon la revendication 10 et l'une des revendications 3 à 9, caractérisée en ce que la hotte (41) est placée au-dessus de la bande d'extraction (40) et présente une ouverture d'aspiration (44) passant sur la bande d'extraction.
  12. Cabine selon l'une des revendications 1 à 11, caractérisée en ce que l'ouverture de la ou de chaque fente d'aspiration (s) est réglable au moyen d'un dispositif de réglage (52).
  13. Cabine selon la revendication 12, caractérisée en ce que le dispositif de réglage peut être actionné manuellement.
  14. Cabine selon l'une des revendications 1 à 13, caractérisée en ce que les parois obliques (22, 24) sont articulées de manière à pouvoir pivoter sur les faces intérieures des parois latérales et peuvent être rabattues contre les faces intérieures verticales des parois latérales (2, 4).
  15. Cabine selon l'une des revendications 1 à 13, caractérisée en ce que les parois obliques (22, 24) sont accrochées aux faces intérieures des parois latérales (2, 4) et peuvent être enlevées de celles-ci.
  16. Cabine selon l'une des revendications 1 à 15, caractérisée en ce que la largeur de la fente d'aspiration (s) augmente à partir de la paroi frontale (12) de la cabine à laquelle est raccordé le système d'aspiration, en direction de la paroi frontale (10) opposée.
EP00105655A 2000-01-25 2000-03-17 Cabine de poudrage de pièces Expired - Lifetime EP1125639B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI000091A IT1316191B1 (it) 2000-01-25 2000-01-25 Cabina di verniciatura con sistema di recupero delle polverimigliorato.
ITMI200091 2000-01-25

Publications (2)

Publication Number Publication Date
EP1125639A1 EP1125639A1 (fr) 2001-08-22
EP1125639B1 true EP1125639B1 (fr) 2004-09-22

Family

ID=11443769

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105655A Expired - Lifetime EP1125639B1 (fr) 2000-01-25 2000-03-17 Cabine de poudrage de pièces

Country Status (4)

Country Link
US (1) US6582517B2 (fr)
EP (1) EP1125639B1 (fr)
DE (1) DE50007885D1 (fr)
IT (1) IT1316191B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1930086A2 (fr) 2006-12-07 2008-06-11 EISENMANN Anlagenbau GmbH & Co. KG Cabine de revêtement par poudre pour une installation de revêtement par poudre
EP2058055A1 (fr) 2007-11-12 2009-05-13 J. Wagner AG Cabine destinée à recouvrir une pièce à usiner avec de la poudre
EP2272593A1 (fr) 2009-07-06 2011-01-12 J. Wagner AG Cabine destinée à recouvrir des pièces à usiner avec de la poudre
EP2275209A1 (fr) 2009-07-17 2011-01-19 J. Wagner AG Cabine destinée à recouvrir des pièces à usiner avec de la poudre

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040055705A1 (en) * 2002-09-20 2004-03-25 Shutic Jeffrey R. Hybrid spray booth for powder coating systems
WO2004081476A1 (fr) * 2003-03-11 2004-09-23 Durr Industries, Inc. Four a peinture modulaire
ATE364453T1 (de) * 2004-11-12 2007-07-15 Itw Gema Ag Pulversprühbeschichtungskabine
DE102004059602A1 (de) 2004-12-09 2006-06-22 Itw Gema Ag Pulverbeschichtungskabine oder Unterbau dafür
DE202005019313U1 (de) * 2005-12-08 2006-02-23 J. Wagner Ag Pulverbeschichtungskabine
CN100460083C (zh) * 2006-05-17 2009-02-11 裕东（中山）机械工程有限公司 静电粉末喷涂设备的喷粉室
FR3108044B1 (fr) * 2020-03-11 2023-04-28 Exel Ind Embase pour une cabine de poudrage
CN114749315B (zh) * 2022-05-23 2022-12-30 浙江明泉工业装备科技有限公司 一种基于机器人功能化智能涂装生产线智能化喷涂房

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7014433U (fr) * 1970-04-16 1970-09-17 Hoffmann H Trocken Und Lackierofen Fabrik Apparatebau
FR2123936A5 (fr) * 1971-02-05 1972-09-15 Ransburg Sa
CH668008A5 (de) 1985-04-30 1988-11-30 H U Ramseier Fa Elektrostatische pulverbeschichtungsanlage.
DE3905057A1 (de) * 1989-02-18 1990-08-23 Esb Voehringer Pulverspruehkabine mit einer leitvorrichtung fuer rohgas in eine abscheider-saugstroemung
DE19500873A1 (de) * 1995-01-13 1996-07-18 Gema Volstatic Ag Sprühbeschichtungsvorrichtung
EP0727258B1 (fr) 1995-02-15 1999-10-13 Wagner International Ag Dispositif de nettoyage d'un cabine de poudrage
DE19522186A1 (de) * 1995-06-19 1997-03-20 Wagner Int Reinigungseinrichtung für eine Pulverbeschichtungskabine
DE19817243A1 (de) * 1998-04-18 1998-11-12 R O T Gmbh Pulverzentrum mit Originalgebinde unter dem Zyklon im Pulverkreislauf sowie ein Kanalabsaugsystem in der Pulverkabine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1930086A2 (fr) 2006-12-07 2008-06-11 EISENMANN Anlagenbau GmbH & Co. KG Cabine de revêtement par poudre pour une installation de revêtement par poudre
EP2058055A1 (fr) 2007-11-12 2009-05-13 J. Wagner AG Cabine destinée à recouvrir une pièce à usiner avec de la poudre
EP2272593A1 (fr) 2009-07-06 2011-01-12 J. Wagner AG Cabine destinée à recouvrir des pièces à usiner avec de la poudre
EP2275209A1 (fr) 2009-07-17 2011-01-19 J. Wagner AG Cabine destinée à recouvrir des pièces à usiner avec de la poudre

Also Published As

Publication number Publication date
EP1125639A1 (fr) 2001-08-22
DE50007885D1 (de) 2004-10-28
ITMI20000091A1 (it) 2001-07-25
US20010020445A1 (en) 2001-09-13
IT1316191B1 (it) 2003-04-03
ITMI20000091A0 (it) 2000-01-25
US6582517B2 (en) 2003-06-24

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