KR920021225A - Electrostatic powder coating method and apparatus using multiple spray streams with pulsed electrostatic field and spray pattern - Google Patents

Electrostatic powder coating method and apparatus using multiple spray streams with pulsed electrostatic field and spray pattern Download PDF

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Publication number
KR920021225A
KR920021225A KR1019920009099A KR920009099A KR920021225A KR 920021225 A KR920021225 A KR 920021225A KR 1019920009099 A KR1019920009099 A KR 1019920009099A KR 920009099 A KR920009099 A KR 920009099A KR 920021225 A KR920021225 A KR 920021225A
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KR
South Korea
Prior art keywords
mixture
gun
spraying
electrostatic
spray
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KR1019920009099A
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Korean (ko)
Inventor
마사후미 마쯔나가
다끼시 고하마
아끼또 다까야나기
료 이노우
이사오 야부우찌
Original Assignee
토마스 엘. 무어헤드
노드슨 코포레이션
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Publication of KR920021225A publication Critical patent/KR920021225A/en

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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
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/007—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means the high voltage supplied to an electrostatic spraying apparatus during spraying operation being periodical or in time, e.g. sinusoidal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
    • B05B5/032—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/047—Discharge apparatus, e.g. electrostatic spray guns using tribo-charging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/10—Arrangements for supplying power, e.g. charging power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0892—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

내용 없음.No content.

Description

펄스된 정전기장과 스프레이 패턴을 가진 복수의 스프레이 스트림을 사용하는 정전기적 분말 코팅방법 및 장치Electrostatic powder coating method and apparatus using multiple spray streams with pulsed electrostatic field and spray pattern

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 한 실시예에 따른 정전기적 분말 스프레이 코팅 장치의 개략적 종단면도,1 is a schematic longitudinal cross-sectional view of an electrostatic powder spray coating apparatus according to one embodiment of the invention,

제2도는 제1도의 2-2선을 따라 취한 단면도,2 is a cross-sectional view taken along line 2-2 of FIG. 1,

제3도는 코팅될 제품을 향해 진행하는 가스 분말 혼합물의 4개의 분리된 스프레이 스트림을 도시하며 제1도의 3-3선을 따라 취한 단면도.FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 1 showing four separate spray streams of gas powder mixture running towards the product to be coated.

Claims (10)

가스 분말 입자의 가압된 혼합물을 건으로부터 외향으로 펄스에 직렬로 스프레이하는 단계와, 상기 스프레이 단계동안 상기 혼합물에 들어간 입자를 DC 전력 공급원에 작동 연결된 전극으로부터 발생된 정전기장에 의해 정전기적으로 충전하는 단계와, 상기 스프레이 단계동안 정전기장을 펄스시키는 단계를 포함하는 것을 특징으로 하는 정전기적 분말 코팅 방법.Spraying a pressurized mixture of gas powder particles in series outward from the gun into a pulse, and electrostatically charging particles entering the mixture during the spraying step by an electrostatic field generated from an electrode operatively connected to a DC power source. And pulsed the electrostatic field during the spraying step. 가스 분말 입자의 가압된 혼합물을 스프레이 건으로부터 외향으로 복수의 분리 스프레이 스트림에 스프레이하는 단계와, 컨테이너의 내면을 균일하게 코팅하기 위해 정전기적으로 충전된 복수의 스프레이 스트림을 발생시키도록, 혼합물에 들어간 입자를 건의 내부 챔버내에 정전기적으로 충전하는 단계를 포함하는 것을 특징으로 하는 정전기적 분말 코팅 방법.Spraying the pressurized mixture of gas powder particles outwardly from the spray gun into a plurality of separate spray streams and generating a plurality of electrostatically charged spray streams to uniformly coat the inner surface of the container. Electrostatically filling particles into the interior chamber of the gun. 유동 통로를 따라 내면쪽으로 스프레이 건으로부터 외향으로 가스와 분말 입자의 가압된 혼합물을 스프레이하는 단계와, 콘테이너 내면의 편향을 최소화 하고 내면을 보다 균일하게 코팅하도록, 혼합물을 필스된 방법으로 내면쪽으로 스프레이 시키는 단계를 포함하는 것을 특징으로 하는 정전기적 분말 코팅 방법.Spraying the pressurized mixture of gas and powder particles from the spray gun outwards along the flow passage, and spraying the mixture inwards in a pilled manner to minimize the deflection of the inner surface of the container and to coat the inner surface more uniformly. Electrostatic powder coating method comprising the step of. 제3항에 있어서, 상기 스프레이 단계가 상기 혼합물을 복수의 대응 유동통로를 가로지르는 복수의 분리 스프레이 스트림으로 분할시키는 단계를 부가로 포함하는 것을 특징으로 하는 컨테이너 내면의 정전기적 분말 코팅 방법.4. The method of claim 3, wherein the spraying step further comprises dividing the mixture into a plurality of separate spray streams across a plurality of corresponding flow passages. 제4항에 있어서, 상기 충전단계가 건의 외부에 위치된 복수의 전극으로 성취되며, 상기 스프레이 단계가 혼합물을 복수의 대응 유동통로를 가로지르는 복수의 스프레이 스트림으로 분할하는 단계를 부가로 포함하는 것을 특징으로 하는 컨테이너 내면의 정전기적 분말 코팅 방법.5. The method of claim 4, wherein the filling step is accomplished with a plurality of electrodes located outside of the gun, wherein the spraying step further comprises dividing the mixture into a plurality of spray streams across a plurality of corresponding flow passages. An electrostatic powder coating method on the inner surface of a container. 대기로 개방된 복수의 챔버 개구를 가진 하나 이상의 내부 챔버를 가진 건과, 가스와 분말 입자의 가압된 혼합물을 챔버로 유도하고, 상기 혼합물로 복수의 전극을 포함하는 충전 수단을 포함하는 것을 특징으로 하는 정전기적 분말 코팅 장치.A gun having one or more internal chambers having a plurality of chamber openings open to the atmosphere, and a filling means for introducing a pressurized mixture of gas and powder particles into the chamber, the mixture comprising a plurality of electrodes; Electrostatic powder coating device. 제6항에 있어서, 혼합물을 건으로부터 외향으로 펄스적으로 스프레이 시키는 수단을 부가로 포함하는 것을 특징으로 하는 정전기적 분말 코팅 장치.7. The electrostatic powder coating apparatus of claim 6, further comprising means for pulsed spraying the mixture outwardly from the gun. 제6항에 있어서, 스프레이 스트림 내에 들어간 입자를 정전기적으로 충전시키기 위해 정전기장을 발생시키도록 전원을 전극에 작동 연결시키는 수단과, 스프레이 동안 정전기장을 펄스시키는 수단을 부가로 포함하는 것을 특징으로 하는 정전기적 분말 코팅 장치.7. The method of claim 6, further comprising means for operatively connecting a power source to the electrode to generate an electrostatic field to electrostatically charge particles entering the spray stream, and means for pulsing the electrostatic field during spraying. Electrostatic powder coating device. 대기로 개방된 하나 이상의 챔버 개구를 가진 하나 이상의 내부 챔버를 가진 건과, 가스와 분말 입자의 가압 혼합물을 챔버로 유도하고, 상기 혼합물을 챔버 개구를 통해 건으로부터 외향으로 스프레이 하는 수단과, 전원에 작동 가능하게 연결될 때 정전기장을 발생시키는 전극에 의해 상기 혼합물에 들어간 입자를 정전기적으로 충전시키는 수단과, 펄스된 방법으로 상기 혼합물을 건으로부터 스프레이 시키는 수단과, 혼합물이 스프레이 되는 동안 정전기장을 펄스하는 수단을 포함하는 것을 특징으로 하는 정전기적 분말 코팅 장치.A gun having one or more internal chambers having one or more chamber openings open to the atmosphere, means for directing a pressurized mixture of gas and powder particles into the chamber, and spraying the mixture outwards from the gun through the chamber opening; Means for electrostatically charging particles entering the mixture by an electrode that generates an electrostatic field when operatively connected, means for spraying the mixture from the gun in a pulsed manner, and pulses the electrostatic field while the mixture is sprayed An electrostatic powder coating apparatus, comprising means for. 건과 동축인 사이클의 원주 둘레에 배열되고 대기로 개방된 복수의 챔버 개구를 가진 하나 이상의 내부 챔버를 가진 건과, 가스와 분말 입자의 가압된 혼합물을 챔버로 유도하고, 상기 혼합물을 복수의 스프레이 스트림의 개구를 통해 건으로부터 외향으로 스프레이 하는 수단과, 스프레이 스트림에 들어간 입자를 정전기적으로 충전하고, 건 외면에 전극을 포함하는 충전 수단을 포함하는 것을 특징으로 하는 정전기적 분말 코팅 장치.A gun having one or more internal chambers arranged around the circumference of the cycle coaxial with the gun and having a plurality of chamber openings open to the atmosphere, and a pressurized mixture of gas and powder particles into the chamber, the mixture being sprayed And means for spraying outwardly from the gun through an opening in the stream, and means for electrostatically charging particles entering the spray stream and including an electrode on the outside of the gun. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019920009099A 1991-05-29 1992-05-28 Electrostatic powder coating method and apparatus using multiple spray streams with pulsed electrostatic field and spray pattern KR920021225A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP91-155819 1991-05-29
JP15581991 1991-05-29
JP19709091 1991-07-11
JP91-197090 1991-07-11

Publications (1)

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KR920021225A true KR920021225A (en) 1992-12-18

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KR1019920009099A KR920021225A (en) 1991-05-29 1992-05-28 Electrostatic powder coating method and apparatus using multiple spray streams with pulsed electrostatic field and spray pattern

Country Status (5)

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EP (1) EP0516462A1 (en)
KR (1) KR920021225A (en)
AU (1) AU1725492A (en)
CA (1) CA2070063A1 (en)
MX (1) MX9202579A (en)

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KR20190133765A (en) * 2017-04-04 2019-12-03 클린로직스 엘엘씨 Passive Electrostatic CO2 Composite Spray Applicator

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KR20190133765A (en) * 2017-04-04 2019-12-03 클린로직스 엘엘씨 Passive Electrostatic CO2 Composite Spray Applicator

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CA2070063A1 (en) 1992-11-30
AU1725492A (en) 1992-12-03
MX9202579A (en) 1994-01-31
EP0516462A1 (en) 1992-12-02

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