EP2978538A1 - Pistolet pulvérisateur, pour revêtement par pulvérisation d'objets au moyen d'une poudre de revêtement - Google Patents

Pistolet pulvérisateur, pour revêtement par pulvérisation d'objets au moyen d'une poudre de revêtement

Info

Publication number
EP2978538A1
EP2978538A1 EP14701054.0A EP14701054A EP2978538A1 EP 2978538 A1 EP2978538 A1 EP 2978538A1 EP 14701054 A EP14701054 A EP 14701054A EP 2978538 A1 EP2978538 A1 EP 2978538A1
Authority
EP
European Patent Office
Prior art keywords
coating
spray
powder
coating powder
shaft housing
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
EP14701054.0A
Other languages
German (de)
English (en)
Other versions
EP2978538B1 (fr
Inventor
Marco Sanwald
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.)
Gema Switzerland GmbH
Original Assignee
Gema Switzerland 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 Gema Switzerland GmbH filed Critical Gema Switzerland GmbH
Publication of EP2978538A1 publication Critical patent/EP2978538A1/fr
Application granted granted Critical
Publication of EP2978538B1 publication Critical patent/EP2978538B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/03Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
    • B05B5/032Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0418Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces designed for spraying particulate material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device

Definitions

  • a filter element which is permeable to compressed gas, but not for coating powder.
  • coating powder can penetrate into the compressed gas channel, ie counter to the compressed gas supply direction.
  • care is taken that no coating powder can be deposited in the compressed gas lines of the spray-coating gun, so that the spray-coating gun can be cleaned very easily.
  • a powder change in the spray coating gun according to the invention can be carried out in a very short time.
  • the tubular filter element 37 of the auxiliary compressed air inlet device integrated in the connecting piece 8 should extend around the powder path defined by the coating powder channel 26 over at least 270 ° of the powder path circumference, preferably over the full 360 ° of the powder path circumference.

Landscapes

  • Nozzles (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

L'invention concerne un pistolet pulvérisateur (1), pour revêtement par pulvérisation d'objets au moyen d'une poudre de revêtement. Le pistolet pulvérisateur (1) présente, à sa partie d'extrémité avant, une tête de pulvérisation de poudre de revêtement (5) et, à sa partie d'extrémité arrière, opposée, un raccordement pour poudre de revêtement (12), ainsi qu'au moins un raccordement pour gaz comprimé (13, 14). Via le raccordement pour poudre de revêtement (12), la poudre de revêtement peut être amenée à un canal pour poudre de revêtement (11, 26) s'étendant jusqu'à la tête de pulvérisation de poudre de revêtement (5), tandis que via le au moins raccordement pour gaz comprimé (13, 14), le gaz comprimé peut être amené à au moins un canal pour gaz comprimé (9, 28; 10, 29) s'étendant jusqu'à la partie d'extrémité avant du pistolet pulvérisateur (1). Dans le but d'optimiser la qualité de revêtement pouvant être obtenue au moyen du pistolet pulvérisateur (1), l'invention est caractérisée en ce que le canal pour gaz comprimé (9, 28; 10, 29) présente au moins une dérivation pour gaz comprimé (35, 36), via laquelle au moins une partie du gaz comprimé amenée au canal pour gaz comprimé (9, 28; 10, 29), est amenée au canal pour poudre de revêtement (11, 26), en vue d'assurer le réglage d'un mélange poudre-air, nécessaire pour la pulvérisation à la tête de pulvérisation de la poudre de revêtement (5), et/ou d'assurer l'homogénéisation de la poudre de revêtement amenée au canal pour poudre de revêtement (11, 26).
EP14701054.0A 2013-03-26 2014-01-21 Pistolet de revêtement par pulvérisation pour le revêtement pulvérulent par pulvérisation d'objets Active EP2978538B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013205362.2A DE102013205362A1 (de) 2013-03-26 2013-03-26 Sprühbeschichtungspistole zur Sprühbeschichtung von Gegenständen mit Beschichtungspulver
PCT/EP2014/051115 WO2014154373A1 (fr) 2013-03-26 2014-01-21 Pistolet pulvérisateur, pour revêtement par pulvérisation d'objets au moyen d'une poudre de revêtement

Publications (2)

Publication Number Publication Date
EP2978538A1 true EP2978538A1 (fr) 2016-02-03
EP2978538B1 EP2978538B1 (fr) 2017-11-22

Family

ID=49999942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14701054.0A Active EP2978538B1 (fr) 2013-03-26 2014-01-21 Pistolet de revêtement par pulvérisation pour le revêtement pulvérulent par pulvérisation d'objets

Country Status (7)

Country Link
US (1) US10159994B2 (fr)
EP (1) EP2978538B1 (fr)
CN (1) CN105073270B (fr)
BR (1) BR112015024202A2 (fr)
DE (1) DE102013205362A1 (fr)
TR (1) TR201802301T4 (fr)
WO (1) WO2014154373A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112015025287B1 (pt) 2013-04-03 2021-01-05 Gema Switzerland Gmbh bomba de pó de fase densa, mecanismo de revestimento por pulverização em pó e método para transportar pó de revestimento
CN107262320B (zh) * 2017-06-26 2023-08-29 中信戴卡股份有限公司 一种混线式轮毂螺栓孔自动清粉系统及组合式清粉枪
CN109046820B (zh) * 2018-11-02 2019-08-02 山东大学 一种多级同步混粉器及热喷涂装置
CN109622258A (zh) * 2019-02-01 2019-04-16 内蒙古工业大学 一种应用于喷涂间的平面窗口密封结构
CN116273754A (zh) * 2023-03-22 2023-06-23 江苏上上电缆集团有限公司 一种电缆用半导电胶喷涂方法

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US3536580A (en) * 1967-10-13 1970-10-27 Ransburg Electro Coating Corp Paper making methods and apparatus involving electrostatic spray coating
DE20321762U1 (de) 1988-05-11 2009-08-27 H. Börger & Co. GmbH Vorrichtung zum Fördern von pulverförmigem Material
US5344077A (en) * 1992-09-14 1994-09-06 Terry Roy D A Apparatus for delivering compressed particulate solid fire fighting agent
US5444209A (en) * 1993-08-11 1995-08-22 Miller Thermal, Inc. Dimensionally stable subsonic plasma arc spray gun with long wearing electrodes
US5711489A (en) * 1994-08-18 1998-01-27 Nihon Parkerizing Co., Ltd. Electrostatic powder coating method and apparatus
US5697559A (en) * 1995-03-15 1997-12-16 Nordson Corporation Electrostatic rotary atomizing spray device
US5908162A (en) * 1998-02-25 1999-06-01 Nordson Corporation Spray gun having an anti-back-ionization probe with a control system therefor
US6478242B1 (en) * 1999-09-16 2002-11-12 Nordson Corporation Powder spray gun
CN1635932A (zh) * 2000-07-11 2005-07-06 诺德森公司 具有改进的摩擦带电和电晕枪的单极性粉末喷涂系统
DE10147858A1 (de) * 2001-09-27 2003-04-30 Itw Gema Ag Spritzbeschichtungsvorrichtung
ITMI20031419A1 (it) * 2003-07-11 2005-01-12 Studio A Z Di Giancarlo Simontacchi Dispositivo per il trasporto di polveri attraverso tubazioni
US20050126476A1 (en) * 2003-11-05 2005-06-16 Nordson Corporation Improved particulate material application system
US7793869B2 (en) 2003-08-18 2010-09-14 Nordson Corporation Particulate material applicator and pump
US20050158187A1 (en) * 2003-11-24 2005-07-21 Nordson Corporation Dense phase pump for dry particulate material
DE102005006522B3 (de) 2005-02-11 2006-08-03 J. Wagner Ag Vorrichtung zum Fördern von Beschichtungspulver und Verfahren zum Fördern von Pulver mit der Fördervorrichtung
DE202006015697U1 (de) 2005-05-31 2007-03-08 Nordson Corporation, Westlake Verbesserter Applikator für Teilchenmaterial und Pumpe
DE102006019643B4 (de) * 2006-04-25 2008-09-25 Reinhold Gregarek Vorrichtung zur pneumatischen, tribostatischen Pulverbeschichtung von Werkstücken
DE102007007588A1 (de) * 2007-02-13 2008-08-14 Itw Gema Ag Pulverfördervorrichtung für Sprühbeschichtungspulver
CN101678377B (zh) 2007-05-09 2013-06-12 诺信公司 具有内部过滤器的喷嘴
WO2008150790A1 (fr) * 2007-05-29 2008-12-11 Nordson Corporation Pompe de revêtement par pulvérisation de haute densité et buse pour produire un motif de pulvérisation étroit et dense
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US10040081B2 (en) * 2012-04-13 2018-08-07 Nordson Corporation Powder gun configurable for supply from Venturi or dense phase pump
BR112015025287B1 (pt) 2013-04-03 2021-01-05 Gema Switzerland Gmbh bomba de pó de fase densa, mecanismo de revestimento por pulverização em pó e método para transportar pó de revestimento

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Also Published As

Publication number Publication date
CN105073270B (zh) 2018-06-15
US10159994B2 (en) 2018-12-25
US20160051996A1 (en) 2016-02-25
TR201802301T4 (tr) 2018-03-21
BR112015024202A2 (pt) 2017-07-18
DE102013205362A1 (de) 2014-10-02
CN105073270A (zh) 2015-11-18
WO2014154373A1 (fr) 2014-10-02
EP2978538B1 (fr) 2017-11-22

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