EP0951941A2 - Appareil de pulvérisation de matériau liquide - Google Patents

Appareil de pulvérisation de matériau liquide Download PDF

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Publication number
EP0951941A2
EP0951941A2 EP99106519A EP99106519A EP0951941A2 EP 0951941 A2 EP0951941 A2 EP 0951941A2 EP 99106519 A EP99106519 A EP 99106519A EP 99106519 A EP99106519 A EP 99106519A EP 0951941 A2 EP0951941 A2 EP 0951941A2
Authority
EP
European Patent Office
Prior art keywords
drive module
rotation
distribution
bell body
axis
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.)
Withdrawn
Application number
EP99106519A
Other languages
German (de)
English (en)
Other versions
EP0951941A3 (fr
Inventor
Erfindernennung liegt noch nicht vor Die
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.)
Eic Group Engineering Innovations Consulting GmbH
Original Assignee
Eic Group Engineering Innovations Consulting GmbH
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 Eic Group Engineering Innovations Consulting GmbH filed Critical Eic Group Engineering Innovations Consulting GmbH
Publication of EP0951941A2 publication Critical patent/EP0951941A2/fr
Publication of EP0951941A3 publication Critical patent/EP0951941A3/fr
Withdrawn legal-status Critical Current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
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • 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
    • B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
    • B05B15/18—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for improving resistance to wear, e.g. inserts or coatings; for indicating wear; for handling or replacing worn parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member
    • B05B3/1092—Means for supplying shaping gas

Definitions

  • the invention relates to a device for atomizing liquid material, especially wet enamel or dissolved Paints with a hollow rotatable bell body, the one Distribution chamber and a peripheral atomizer edge has for Material guidance and generation of a fog from which the Material on an object, especially one to be coated Workpiece or the like. Can be applied, a conveyor pipe or the like.
  • a drive module with a movable about an axis of rotation Drive shaft with which the bell body in an axial Rotation is displaceable.
  • DE 41 22 594 C2 describes an adjustable device Feeding a liquid material from a storage container to at least one atomizer, especially for enamel and Glaze coating known.
  • liquid coating materials such as enamel, Spray glaze and varnish
  • the material constantly in Flow is maintained, and the amount offered to the sprayer is kept constant and the coating materials very abrasive when liquid, ready for atomization act to offer as little target as possible.
  • atomizers are electrostatic spray guns provided in which a valve needle moves to the open position and thus clears the way of the material for atomization.
  • the object of the present invention is a device of the type mentioned at the outset to create a good one Atomization of the material, especially wet enamel allows low wear.
  • the mixing and Guiding as well as spraying the material with very little Atomizer pressure take place, so that with little wear soft cloud of atomized material is created, causing the coated surface much smoother and more even compared to conventional electrostatic nozzles.
  • the device according to the invention enables an increased Yield of material for Direct-Grund, -Deck and Clean-Email as well 2 Coat / 1Fire orders. This is also one in particular Reduction in the number of atomizer bells to be used accessible per area / minute.
  • the very low atomizing pressure also the exhaust air sink rate up to about 0.2 - 0.25 in a spray booth that may be used m / sec. diminishes, thereby saving considerable Energy and constructive measures for the exhaust and supply air designs the spray booths is reached.
  • the Distribution chamber one the drive module in the axial direction oppositely arranged pre-distribution chamber, with in Area of an axial shaft receiving opening arranged central pre-distribution surfaces, preferably a concave curve Pre-distribution floor and in the direction of the drive module extending peripheral distribution surfaces.
  • To the peripheral Distribution areas close in the direction of the Drive module outlet surfaces, preferably with an in axial direction towards the drive module increasing discharge radius and convex curved accelerator surfaces, which in which the minimum peripheral distance of the bell body to Override the atomizer edge that defines the drive module.
  • the outlet surfaces have an inner exit angle from about 0 - 15 °.
  • the distribution chamber designed so that the transition from the peripheral distribution areas to the Outlet areas at about half the linear extent of the Distribution chamber is provided parallel to the axis of rotation.
  • the pre-distribution floor a concave bevel of about 0 ° to 10 ° to one have perpendicular to the axis of rotation.
  • the pre-distribution surfaces have a Form a concave inner free area for material feed.
  • the feed pipe has one of one for the material supply Bore or the like.
  • the drive module or possibly in a Drive module receiving bracket formed feed section.
  • the End section is in particular parallel or with a pointed one opposite side to the drive module Angle oriented with respect to the axis of rotation. Possibly is in the transition area between the feed and end section Redirection provided.
  • the drive module at a radial distance from the first outlet openings several, preferably concentric to the axis of rotation arranged second outlet openings provided. These are preferably parallel or at an acute angle to Rotation axis of about 0 - 40 ° oriented and preferably regulated compressed air of about 0.1 to 10 bar, in particular loadable from 0.5 to 2.5 bar.
  • pre-distribution surfaces are essentially concentric to the The lateral surface of the cone is arranged in a simple manner Way a free area for the material in the pre-distribution chamber educated.
  • the bell body of the invention Device rotatable at high revolutions, whereby a Range on the order of approximately 12,000 to 24,000 Revolutions / minute is preferred.
  • the bell body is from a material abrasion resistant plastic or metal, e.g. Teflon, stainless steel, anodized or hard chrome-plated aluminum or the like.
  • the Invention is at least the bell body in a spray booth arranged, the material feed through the Adjustable conveyor tube, preferably with electro-pneumatic Actuator means from outside the spray booth.
  • the drive module can be executed of oscillation movement or the like on a particular one vertical lifting device, with a preferably stepless controllable lifting speed can be arranged.
  • automatic control of the invention Device in particular for monitoring the rotation of the Bell body and / or the pressurized air and / or of the ostilation movements, is possibly outside the Electronic control device located in the spray booth with preferably electro-pneumatic actuation means intended.
  • the bell size especially the bell diameter
  • the can can preferably be between 40 and 100 cm
  • the Rotation speed, high voltage and pressure of the the inner or possibly outer air ring producing compressed air the properties of the atomizer mist, especially what the Amount of material that can be applied and the spatial distribution of the atomizer mist affects.
  • the device for atomizing liquid material in particular wet enamel or dissolved paints or the like mainly used for coating workpieces or the like and essentially has a hollow bell body 1 Material guidance and generation of a fog from which the Material can be applied to an object, as well as a Conveyor pipe 8 or the like for supplying material from a storage container into a distribution chamber 3 inside the bell body 1 and a drive module 5.
  • the drive module 5, the for example, consists of a turbine, has one around Rotation axis 6 movable drive shaft 7 with which the Bell body 1 can be set in axial rotation.
  • the liquid material is atomized at the edge of the atomizer 4 of the bell body 1.
  • the distribution chamber 3 is toroidally rotationally symmetrical trained and open to the drive module 5 and opposite side closed.
  • the distribution chamber 3 also has a drive module 5 in Pre-distribution chamber arranged opposite to the axial direction 9 on. This has in the area of the axial shaft opening 2 of the bell body 1 arranged central pre-distribution surfaces 10, a Vorverteilêt 11 and towards the Drive module 5 extending peripheral distribution surfaces 12.
  • the pre-distribution base 11 is preferably concavely curved.
  • in the Connection to the peripheral distribution surfaces 12 are in the direction outlet surfaces 13 adjoining the drive module 5 intended for the liquid material.
  • the outlet radius 14 based on the axis of rotation 6 of the drive shaft 7 takes preferably in the axial direction to the drive module 5.
  • the outlet surfaces 13 are preferably convex curved accelerator surfaces to 15, which in the the minimal peripheral distance of the bell body 1 to Override drive module 5 defining atomizer edge 3. This distance interposes a material-free area Bell body 1 and drive module 5 fixed.
  • the transition from the Outlet surfaces 13 to the atomizer edge 4 are essentially continuously trained.
  • the accelerator surfaces 15 run essentially perpendicular to the atomizer edge 4 to the axis of rotation 6.
  • the transition from the peripheral Distribution surfaces 12 to the outlet surfaces 13 is approximately at the half linear expansion of the distribution chamber 3 in parallel Direction to the axis of rotation 6 is provided.
  • the delivery pipe 8 with which the liquid material of the distribution chamber 3 is supplied has a hole in the Drive module 5 or possibly in a drive module 5 receiving bracket 5a formed feed section 19.
  • the material can be the distribution chamber 3 directly or via an adjoining the feed section 19 to to the pre-distribution floor 11 reaching end portion 20 fed become.
  • the end section 20 can be connected to the feed section 19 be welded or riveted and parallel or with one point to the opposite side to the drive module 5 opening angle to the axis of rotation 6 be oriented. In this case is in the transition area between the feed section 19 and end section 20 a deflection is provided.
  • the delivery pipe 8 can be by means of a on the drive module 5 opposite the bell body 1 with screws or the like.
  • Attached mounting plate 21 may be attached, which has a passage opening for the drive shaft 7.
  • the material sprayed by the rotating bell body 1 in the opposite direction axially to the drive module 5 Compressed air deflected, which flows from first outlet openings 16.
  • These outlet openings 16 are in the peripheral region of the Bell body 1 preferably concentric to the axis of rotation 6 arranged and in particular parallel or with a pointed Oriented to the axis of rotation 6.
  • the the outlet openings 16 pressurized compressed air of preferably about 0.1 - 10 bar is preferably regulated and produces an axial inner air ring.
  • first outlet openings 16 preferably several concentrically to the axis of rotation 6 arranged second outlet openings 17 provided.
  • they with preferably regulated compressed air of about 0.1 - 10 bar, in particular about 0.5 - 2.5 bar and especially parallel or with an acute outer ring air angle ⁇ of preferably 0 - 40 ° to the axis of rotation 6 oriented.
  • the bell body 1 has a the atomizer edge 4 with an acute guide angle ⁇ of preferably extending approximately 80 ° away from the drive module 5 bevelled outer guide surface 22.
  • ⁇ an acute guide angle of preferably extending approximately 80 ° away from the drive module 5 bevelled outer guide surface 22.
  • the distance to the drive module 5 can be in one to the axis of rotation 6 essentially parallel end part 23 pass over.
  • the bell body is for easy assembly and disassembly 1 with the axial shaft opening 2 releasably on the Drive shaft 7 arranged.
  • This can be one with increasing distance to the drive module 5 tapering cone part 24 have, on which the bell body 1 of the shaft receiving opening 2 sits.
  • the pre-distribution areas 10 of the pre-distribution chamber 9 substantially parallel to Shell surface of the cone part 24 may be arranged, whereby in the Pre-distribution chamber 9 is a concave inner free area 18 can be trained.
  • Fig. 1 is in the pre-distribution floor 11 also has a concave bevel 11a of approximately 0-10 ° provided perpendicular to the axis of rotation 6 with which the Material flow to the peripheral distribution surfaces 12 affected can be.
  • Fig. 2 illustrates the bell body 1 of another Embodiment of the device according to the invention, in which the Vorverteilteilteil 11 in a cross-sectional plane in which the Rotation axis 6 lies, has a parabolic curvature.
  • the pre-distribution surfaces 10a extend essentially linear towards the drive module, with the radial Distance to the axis of rotation 6 decreases, the inner exit angle ⁇ of the outlet surfaces 13 about 0 to 15 ° and that of the Distribution surfaces 10a formed with the axis of rotation 6 distribution angle ⁇ is approximately 0 to 12 °.
  • the bell body is 1 rotatable at high revs.
  • A is preferred Range from 12000 to 24000 revolutions per minute.
  • Material is the bell body 1 with high voltage from in particular about 10 to 110 kV can be applied.
  • the bell body 1 preferably consists of one over that of the liquid material such as enamel, paint or the like Abrasion highly resistant plastic or metal material, such as in particular for example Teflon, stainless steel, anodized or hard chrome-plated aluminum or the like the areas in contact with the liquid material of the bell body 1, at least the distribution chamber 3, in particular the run-out surfaces 13 and the accelerator surfaces 15 and / or the atomizer edge 4 with a highly polished Provide surface.
  • the liquid material such as enamel, paint or the like
  • Abrasion highly resistant plastic or metal material such as in particular for example Teflon, stainless steel, anodized or hard chrome-plated aluminum or the like the areas in contact with the liquid material of the bell body 1, at least the distribution chamber 3, in particular the run-out surfaces 13 and the accelerator surfaces 15 and / or the atomizer edge 4 with a highly polished Provide surface.
  • an object to be coated in a Spray booth When operating the device according to the invention usually an object to be coated in a Spray booth. When coating is therefore at least Bell body 1 arranged in the spray booth. A regulated one Material supply, preferably with electro-pneumatic The conveyor tube 8 can then be actuated.
  • the atomized material forms on one to be coated Subject first a spray pattern. Through an overlay multiple spray patterns will result in a more even coating reached.
  • a superimposition of spray patterns can in particular can be achieved in that the drive module 5 for Execution of oscillation movements or the like on one vertical lifting device, whose lifting speed steplessly controllable.
  • the device according to the invention is equipped with an electronic Control device for monitoring the rotation of the Bell body 1 and / or the compressed air first and the second outlet openings 16, 17 connected also control the oscillation movements of the drive module 5 can, preferably electro-pneumatic actuators be used. This allows the amount of what is to be applied Material, the spatial distribution of the atomizer mist or the like. According to the requirements of the Affect coating of objects.

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  • Nozzles (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
EP99106519A 1998-04-20 1999-03-30 Appareil de pulvérisation de matériau liquide Withdrawn EP0951941A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29807059U DE29807059U1 (de) 1998-04-20 1998-04-20 Vorrichtung zum Zerstäuben von flüssigem Material
DE29807059U 1998-04-20

Publications (2)

Publication Number Publication Date
EP0951941A2 true EP0951941A2 (fr) 1999-10-27
EP0951941A3 EP0951941A3 (fr) 2002-03-20

Family

ID=8055963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99106519A Withdrawn EP0951941A3 (fr) 1998-04-20 1999-03-30 Appareil de pulvérisation de matériau liquide

Country Status (2)

Country Link
EP (1) EP0951941A3 (fr)
DE (1) DE29807059U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004112972A1 (fr) * 2003-06-16 2004-12-29 Hunting Industrial Coatings Ltd Appareil de distribution
WO2007090541A1 (fr) * 2006-02-07 2007-08-16 Henkel Ag & Co. Kgaa Amelioration du nettoyage d'un appareil d'application de laque
WO2009005915A1 (fr) * 2007-07-03 2009-01-08 Illinois Tool Works Inc. Dispositif de pulvérisation possédant une surface d'écoulement parabolique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122594C2 (de) 1991-05-23 1997-07-03 E I C Group Gmbh Vorrichtung zum einstellbaren Zuführen eines flüssigen Materials

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US2185369A (en) 1938-02-26 1940-01-02 Bowen William Spencer Atomizer device
US3084874A (en) 1959-08-12 1963-04-09 Aeroprojects Inc Method and apparatus for generating aerosols
FR1279107A (fr) * 1961-02-08 1961-12-15 Greiff Svenska Maskin Ab Procédé et appareil pour la peinture d'objets à l'aide d'un champ électrostatique
US3475198A (en) * 1965-04-07 1969-10-28 Ransburg Electro Coating Corp Method and apparatus for applying a binder material to a prearranged web of unbound,non-woven fibers by electrostatic attraction
US3826425A (en) * 1972-06-21 1974-07-30 Ransburg Corp Electrostatic apparatus
US4275838A (en) 1977-09-12 1981-06-30 Ransburg Corporation Rotating atomizing device
GB1599303A (en) 1977-09-20 1981-09-30 Nat Res Dev Electrostatic spraying
GB2043489B (en) 1979-01-19 1983-02-23 Bals Edward Julius Rotary atomiser
US4440350A (en) 1982-02-03 1984-04-03 General Electric Company Apparatus and method for coating with an atomizable material
DE3243133C2 (de) 1982-11-22 1987-02-12 Roederstein Spezialfabriken für Bauelemente der Elektronik und Kondensatoren der Starkstromtechnik GmbH, 8300 Landshut Rotationszerstäuber-Handgerät
US4943178A (en) 1986-05-08 1990-07-24 Illinois Tool Works, Inc. Mounting structure for rotating bodies
GB2194467B (en) 1986-06-12 1990-08-29 Nomix Mfg Co Ltd A rotary element for liquid distribution
DE3720200A1 (de) 1987-06-16 1988-12-29 Ransburg Gmbh Spruehbeschichtungseinrichtung mit einem rotationsspruehorgan
GB2288136A (en) * 1994-04-05 1995-10-11 Riverlynx Ltd Rotary elements for liquid distribution
DE19608754C2 (de) 1996-03-06 1998-11-26 Fraunhofer Ges Forschung Verfahren zum Aufbringen von Farben oder Lacken und Vorrichtung zur Durchführung des Verfahrens

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122594C2 (de) 1991-05-23 1997-07-03 E I C Group Gmbh Vorrichtung zum einstellbaren Zuführen eines flüssigen Materials

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004112972A1 (fr) * 2003-06-16 2004-12-29 Hunting Industrial Coatings Ltd Appareil de distribution
WO2007090541A1 (fr) * 2006-02-07 2007-08-16 Henkel Ag & Co. Kgaa Amelioration du nettoyage d'un appareil d'application de laque
WO2009005915A1 (fr) * 2007-07-03 2009-01-08 Illinois Tool Works Inc. Dispositif de pulvérisation possédant une surface d'écoulement parabolique
US8602326B2 (en) 2007-07-03 2013-12-10 David M. Seitz Spray device having a parabolic flow surface
CN101678374B (zh) * 2007-07-03 2014-06-11 博兰智涂装控股公司 具有抛物线状流动表面的喷涂装置
CN104107768A (zh) * 2007-07-03 2014-10-22 博兰智涂装控股公司 具有抛物线状流动表面的喷涂装置
CN104107768B (zh) * 2007-07-03 2017-09-08 卡莱流体技术有限公司 具有抛物线状流动表面的喷涂装置
EP2170525B1 (fr) * 2007-07-03 2018-05-16 Finishing Brands Holdings Inc. Dispositif de pulvérisation possédant une surface d'écoulement parabolique

Also Published As

Publication number Publication date
DE29807059U1 (de) 1998-07-02
EP0951941A3 (fr) 2002-03-20

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