KR20000006912A - powder coating apparatus and powder coating method thereof - Google Patents

powder coating apparatus and powder coating method thereof Download PDF

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Publication number
KR20000006912A
KR20000006912A KR1019990050146A KR19990050146A KR20000006912A KR 20000006912 A KR20000006912 A KR 20000006912A KR 1019990050146 A KR1019990050146 A KR 1019990050146A KR 19990050146 A KR19990050146 A KR 19990050146A KR 20000006912 A KR20000006912 A KR 20000006912A
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South Korea
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screen
powder coating
pattern
powder
coating
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KR1019990050146A
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Korean (ko)
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KR100312797B1 (en
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장정모
김영모
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장정모
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects

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  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)

Abstract

PURPOSE: A powder coating device is provided to be able to freely form the desired voluntary shape on the surface of non-coated material. CONSTITUTION: The coating device is installed with: a transferring device(4) for supplying and discharging the non-coated material to a coating booth; a screen(6) formed with a certain shape and transferred by a special driving apparatus, placed on the front of the non-coated material; a spraying nozzle(8) for making the shape pattern formed on the screen form onto the surface of the non-coated material by spraying a powder paint; a collecting apparatus(10) for collecting the powder paint stuck to the screen.

Description

무늬형성을 위한 분체도장 장치 및 이 장치를 이용한 분체도장방법{powder coating apparatus and powder coating method thereof}Powder coating apparatus for pattern formation and powder coating method using the same

본 발명은 무늬형성을 위한 분체도장 장치 및 이 장치를 이용한 분체도장방법에 관한 것으로서, 보다 상세하게는 피도장물의 표면에 원하는 형태의 다양한 무늬를 형성할 수 있도록 된 새로운 개념의 무늬형성을 위한 분체도장방법 및 장치에 관한 것이다.The present invention relates to a powder coating apparatus for pattern formation and a powder coating method using the apparatus, and more particularly, a powder for pattern formation of a new concept that enables to form various patterns of a desired shape on the surface of a coating object. It relates to a coating method and apparatus.

일반적으로, 금속의 표면을 도장할 때, 주로 사용되는 분체도장은 피도장물의 표면에 고전압 하에서 (-)전기로 대전된 분체도료를 분사하여 전기적으로 부착시킨 후, 도료를 가열, 용해 및 경화하여 도장하는 것이다.In general, when painting the surface of the metal, the powder coating mainly used is sprayed (-) electrically charged powder paint under the high voltage on the surface of the workpiece to be electrically attached, and then the paint is heated, dissolved and cured. It is to paint.

이러한 분체도장은 용제를 사용하지 않으므로, 용제에 의한 중독이나 화재의 위험이 없으며, 공해를 발생시키지 않을 뿐 아니라, 액체도료를 사용할 때 발생되는 주름형상이나 흐름현상이 없고, 일정하고 내구성이 우수한 도막을 형성할 수 있는 장점이 있으므로, 널리 사용되고 있다.Since the powder coating does not use a solvent, there is no risk of poisoning or fire by the solvent, it does not cause pollution, and there is no wrinkle or flow phenomenon generated when using liquid paint, and it is a constant and durable coating film. Since there is an advantage to form a, it is widely used.

그러나, 이러한 분체도장은 피도장물의 표면에 분체도료를 분사하여 도장하므로, 소정의 무늬를 형성하기 어려운 문제점이 있었다. 그리고, 상호 섞이지 않는 2종류이상의 도료를 혼합하여 피도장물의 표면에 분사하여, 열처리시 같은 종류의 도료가 서로 뭉치면서 이른바 해머톤이라고 칭하는 투톤 이상의 무늬를 형성하는 무늬형성방법이 개발되었으나, 이러한 방법은 무늬가 단조롭고, 원하는 무늬를 임의적으로 자유롭게 형성할 수 없는 단점이 있었다.However, such powder coating has a problem that it is difficult to form a predetermined pattern because the powder coating by spraying the powder coating on the surface of the workpiece. In addition, a pattern formation method was developed in which two or more kinds of paints which are not mixed with each other are mixed and sprayed on the surface of the workpiece, and when the heat treatment is carried out, the same kind of paints agglomerate with each other to form two-tone or more patterns called hammertones. The silver pattern was monotonous, and there was a disadvantage in that the desired pattern could not be arbitrarily formed freely.

본 발명은 상기의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 피도장물의 표면에 원하는 임의의 무늬를 자유롭게 형성할 수 있도록 된 새로운 개념의 무늬형성을 위한 분체도장 장치 및 이 장치를 이용한 분체도장방법을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention is a powder coating apparatus for forming a pattern of a new concept that can be freely formed any desired pattern on the surface of the object to be coated and powder coating using the device To provide a way.

도 1은 본 발명에 따른 방법으로 완성된 패널의 구성도1 is a block diagram of a panel completed by the method according to the invention

도 2는 본 발명에 따른 분체도장 장치의 노즐을 도시한 측단면도Figure 2 is a side cross-sectional view showing a nozzle of the powder coating apparatus according to the present invention

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

2. 피도장물 4. 이송장치2. Object to be coated 4. Transfer device

6. 스크린 8. 분사노즐6. Screen 8. Spray nozzle

10. 수거기구10. Collection mechanism

본 발명에 따르면, 도장부스에 피도장물(2)을 공급 및 배출하는 이송장치(4)와, 소정의 무늬패턴이 형성되며 상기 피도장물(2)의 전방에 배치되어 별도의 구동기구에 의해 이송되는 스크린(6)과, 이 스크린(6)의 전방에 배치되며 분체도료를 분사하여 스크린(6)에 형성된 무늬패턴이 피도장물(2)의 표면에 형성되도록 하는 분사노즐(8)과, 상기 구동기구에 의해 이송되는 스크린(6)의 경로상에 배치되어 상기 스크린(6)에 달라붙은 분체도료를 수거하는 수거기구(10)를 포함하여 구성되는 것을 특징으로 하는 분체도장 장치가 제공된다.According to the present invention, a conveying device 4 for supplying and discharging the object 2 to the painting booth, and a predetermined pattern is formed and disposed in front of the object 2 to provide a separate drive mechanism. And a spray nozzle (8) arranged in front of the screen (6) and conveyed by the powder coating to form a pattern formed on the screen (6) on the surface of the workpiece (2). And a collecting mechanism 10 disposed on a path of the screen 6 conveyed by the driving mechanism and collecting powder coating adhered to the screen 6. Is provided.

본 발명의 다른 특징에 따르면, 이송장치(4)에 의해 이송되는 피도장물(2)의 전방에 소정의 무늬패턴이 형성된 스크린(6)을 배치하고, 이 스크린(6)의 전방에서 분체도료를 분사하여, 스크린(6)에 형성된 무늬패턴에 따라 피도장물(2)의 표면에 도료를 부착시킨 후, 피도장물(2)의 표면에 부착된 분체도료를 가열, 용해 및 경화시켜, 상기 피도장물(2)의 표면에 소정의 무늬를 나타낼 수 있도록 수 있도록 된 것을 특징으로 하는 분체도장방법이 제공된다.According to another feature of the invention, a screen 6 having a predetermined pattern is formed in front of the object 2 to be conveyed by the conveying device 4, and powder coating in front of the screen 6 Spraying, attaching the paint to the surface of the workpiece 2 according to the pattern formed on the screen 6, and then heating, dissolving and curing the powder coating adhered to the surface of the workpiece 2, Powder coating method is provided, characterized in that it is possible to exhibit a predetermined pattern on the surface of the object to be coated (2).

이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

도 1 내지 도 3은 본 발명에 따른 분체도장 장치를 도시한 것으로, 피도장물(2)을 이송하는 이송장치(4)와, 이 이송장치(4)에 의해 이송되는 피도장물(2)의 전방에 배치되는 스크린(6)과, 이 스크린(6)의 전방에 배치되어 분체도료를 분사하는 분사노즐(8)과, 상기 스크린(6)에 달라붙은 분체도료를 제거하는 수거기구(10)로 구성된다.1 to 3 show a powder coating apparatus according to the present invention, a conveying apparatus 4 for conveying the object to be coated 2, and a coated object 2 conveyed by the conveying apparatus 4. A screen 6 disposed at the front of the screen, a spray nozzle 8 disposed at the front of the screen 6 for spraying the powder coating, and a collecting mechanism 10 for removing the powder coating adhered to the screen 6. It is composed of

상기 이송장치(4)는 도장작업이 이루어지는 도장부스에 피도장물(2)을 공급 및 배출하는 것으로, 도장부스의 상측에 설치된 레일(12)에, 이 레일(12)을 따라 움직이는 체인(14)을 장착하고, 이 체인(14)에 피도장물(2)을 고정할 수 있는 다수개의 지그(16)를 연결하여, 상기 체인(14)을 구동시켜 지그(16)에 고정된 피도장물(2)을 순차적으로 이송할 수 있도록 구성된다. 상기 스크린(6)은 매시망의 표면을 임의의 무늬패턴을 형성하도록 코팅처리하여, 상기 분사노즐(8)에서 분사되는 분체도료가 무늬패턴을 통과할 수 있도록 된 것으로, 그 전후단이 상호 연결되어 폐루프를 이루도록 구성된다. 이 스크린(6)은 상기 이송장치(4)의 전방에 수직설치된 구동장치의 드럼(18,20)에 걸려, 드럼(18,20)의 회전에 따라 순환되도록 구성된 것으로, 그 일측면이 상기 이송장치(4)에 의해 이송되는 피도장물(2)의 면에 최대한 근접되도록 설치된다.The conveying apparatus 4 supplies and discharges the object to be coated 2 to the painting booth where the painting work is performed. The chain 14 moves along the rail 12 to the rail 12 installed above the painting booth. ) And a plurality of jigs 16 capable of fixing the workpiece 2 to the chain 14 to drive the chain 14 to be fixed to the jig 16. (2) is configured to be transported sequentially. The screen 6 is coated on the surface of the mesh to form an arbitrary pattern, so that the powder coating sprayed from the injection nozzle 8 can pass through the pattern, the front and rear ends thereof are interconnected. It is configured to form a closed loop. The screen 6 is configured to be caught by the drums 18 and 20 of the drive device vertically installed in front of the transfer device 4 and to be circulated in accordance with the rotation of the drums 18 and 20, one side of which is transferred. It is installed to be as close as possible to the surface of the workpiece 2 to be conveyed by the device 4.

상기 구동기구는 수직설치된 제1 및 제2드럼(18,20)으로 구성된 것으로, 상기 제1드럼(18)은 도시안된 구동모터에 의해 회전되며, 상기 제2드럼(20)은 지지축(22)의 상하에 한쌍의 휠(24)을 회전가능하게 결합하여 구성된다. 따라서, 상기 스크린(6)을 상기 제1드럼(18)과, 제2드럼(20)에 걸어, 상기 제1드럼(18)의 회전에 따라 스크린(6)을 순환시킬 수 있다. 이때, 상기 스크린(6)의 상하단에는, 스크린(6)이 늘어나거나 처지는 것을 방지할 수 있도록 보강재를 삽입하는 것이 바람직하다.The drive mechanism is composed of vertically mounted first and second drums 18 and 20, the first drum 18 being rotated by a drive motor, not shown, and the second drum 20 being supported by a support shaft 22. It is configured by rotatably coupling a pair of wheels 24 above and below. Therefore, the screen 6 may be hung on the first drum 18 and the second drum 20 to circulate the screen 6 in accordance with the rotation of the first drum 18. At this time, it is preferable to insert a reinforcing material in the upper and lower ends of the screen 6 to prevent the screen 6 from stretching or sagging.

상기 분사노즐(8)은 폐루프로 구성된 스크린(6)의 내부에 설치되어 스크린(6)을 통해 상기 피도장물(2)의 표면에 분체도료를 분사할 수 있도록 된 것으로, 이 분사노즐(8)에서 분사된 분체도료는 스크린(6)의 무늬패턴을 통과하며, 이 무늬패턴에 따라 일정한 형태로 피도장물(2)의 표면에 달라붙게 된다. 이때, 상기 노즐은 상기 스크린(6)의 배면에 밀착되도록 설치된 가이드(26)에 상하방향으로 설치되며, 분체도료를 공급하는 공급관(28)에서 연장된 다수개의 연결관(30)이 이 노즐에 연결된다. 상기 가이드(26)는 노즐에서 분사된 분체도료가 넓게 퍼지지 않고, 일정한 범위내부로 분사되도록 하는 것으로, 노즐에서 분사된 분체도료가 넓게 퍼져 무늬가 희미하게 형성되는 것을 방지할 수 있다.The spray nozzle 8 is installed inside the screen 6 configured as a closed loop to spray the powder coating onto the surface of the object to be coated 2 through the screen 6. Powder coating sprayed from 8) passes through the pattern of the screen 6, and adheres to the surface of the workpiece 2 in a predetermined form according to the pattern. At this time, the nozzle is installed in the vertical direction in the guide 26 is installed in close contact with the back of the screen 6, a plurality of connecting pipes 30 extending from the supply pipe 28 for supplying powder coating to the nozzle Connected. The guide 26 is to spread the powder coating sprayed from the nozzle is not spread widely, but in a predetermined range, it is possible to prevent the powder coating sprayed from the nozzle to spread widely spread to form a pattern.

상기 수거기구(10)는 상기 구동장치의 드럼(18,20)에 걸린 스크린(6)의 중간부에 설치되는 것으로, 상기 스크린(6)의 중간부에 설치되는 수거케이스(32)와, 이 수거케이스(32)의 내부에 설치되어 고압의 공기로 스크린(6)면에 달라붙은 분체도료를 탈락시키는 에어노즐(34) 등으로 구성된다. 상기 수거케이스(32)는 그 전후면에 상기 스크린(6)이 통과할 수 있도록 한쌍의 슬롯(36)이 형성된 것으로, 상기 분사노즐(8)을 거쳐 분체도료가 달라붙은 스크린(6)면이 들어오는 슬롯(36)의 후방에는 스크린(6)면에 달라붙은 분체로됴를 긁어내는 스크래퍼(38)가 설치된다. 이때, 상기 수거케이스(32)의 저면에는 스크린(6)에서 탈락된 분체도료를 수집하는 호퍼가 구비되어, 상기 에어노즐(34)과 스크래퍼(38)에 의해 탈락된 분체도료를 수거하여 재활용할 수 있다.The collection mechanism 10 is installed in the middle portion of the screen (6) hanging on the drum (18, 20) of the drive device, and the collection case 32 is installed in the middle portion of the screen (6), It is composed of an air nozzle 34 installed inside the collection case 32 to drop off the powder coating adhered to the screen 6 with high pressure air. The collection case 32 has a pair of slots 36 formed on the front and rear surfaces thereof so that the screen 6 can pass therethrough. The surface of the screen 6 on which the powder coating is adhered through the injection nozzle 8 is formed. At the rear of the incoming slot 36, a scraper 38 is provided to scrape off the dust with powder adhering to the screen 6 surface. At this time, the bottom of the collection case 32 is provided with a hopper for collecting the powder paint dropped from the screen (6), to collect and recycle the powder paint dropped by the air nozzle 34 and the scraper 38 Can be.

따라서, 상기 분사노즐(8)로 분체도료를 분사하여, 상기 스크린(6)에 형성된 무늬패턴을 통해 피도장물(2)의 표면에 도료를 부착한 후, 이 피도장물(2)을 가열로로 통과시켜, 피도장물(2)에 부착된 분체도료를 가열, 용해 및 경화시키므로써, 피도장물(2)의 표면에 소정의 무늬를 나타낼 수 있다. 이때, 상기 분사노즐(8)에서 분사되어 스크린(6)의 내측면에 부착된 분체도료는 상기 수거기구(10)를 이용하여 수거하여 재활용할 수 있다.Accordingly, the powder coating is sprayed onto the spray nozzle 8, the paint is applied to the surface of the coating 2 through a pattern formed on the screen 6, and then the coating 2 is heated. By passing through the furnace and heating, dissolving and curing the powder coating attached to the workpiece 2, a predetermined pattern can be exhibited on the surface of the workpiece 2. At this time, the powder coating sprayed from the spray nozzle 8 and attached to the inner surface of the screen 6 may be collected and recycled using the collecting mechanism 10.

이와같이 구성된 분체도장 장치 및 방법은 상기 스크린(6)에 형성된 무늬패턴에 따라, 피도장물(2)의 표면에 형성되는 무늬가 결정되므로, 피도장물(2)의 표면에 원하는 임의의 무늬를 자유롭게 형성할 수 있는 장점이 있다. 또한, 스크린(6)에 달라붙은 분체도료는 수거하여 재사용할 수 있으므로, 분체도장에 따른 비용을 절감할 수 있는 장점이 있다.In the powder coating apparatus and method configured as described above, the pattern formed on the surface of the workpiece 2 is determined according to the pattern pattern formed on the screen 6, so that any desired pattern is applied to the surface of the object to be coated 2. There is an advantage that can be formed freely. In addition, since the powder coating clinging to the screen 6 can be collected and reused, there is an advantage of reducing the cost of powder coating.

본 실시예는 상기 가이드(26)를 이용하여 노즐에서 분사된 분체도료가 넓게 퍼지는 것을 방지하도록 구성하였으나, 필요에 따라, 상기 노즐을 스크린(6)의 배면에 최대한 근접배치하여, 분체도료가 넓게 퍼지는 것을 방지할 수도 있다.Although the present embodiment is configured to prevent the spread of the powder coating sprayed from the nozzle using the guide 26, the nozzle is placed as close as possible to the back surface of the screen 6 as needed, so that the powder coating is wide. It can also be prevented from spreading.

이상에서와 같이 본 발명에 의하면, 피도장물(2)의 전면에 소정의 무늬패턴이 형성된 스크린(6)을 배치하고, 이 스크린(6)의 전방에 배치된 분사노즐(8)로 분체도료를 분사하도록 하므로써, 피도장물(2)의 표면에 원하는 임의의 무늬를 자유롭게 형성할 수 있는 분체도장 장치 및 이 장치를 이용한 분체도장방법을 제공할 수 있다.As described above, according to the present invention, a screen 6 having a predetermined pattern is formed on the front surface of the object to be coated 2, and powder coating is carried out with the spray nozzle 8 disposed in front of the screen 6. By spraying on, a powder coating apparatus capable of freely forming any desired pattern on the surface of the object to be coated 2 and a powder coating method using the apparatus can be provided.

Claims (2)

도장부스에 피도장물(2)을 공급 및 배출하는 이송장치(4)와, 소정의 무늬패턴이 형성되며 상기 피도장물(2)의 전방에 배치되어 별도의 구동기구에 의해 이송되는 스크린(6)과, 이 스크린(6)의 전방에 배치되며 분체도료를 분사하여 스크린(6)에 형성된 무늬패턴이 피도장물(2)의 표면에 형성되도록 하는 분사노즐(8)과, 상기 구동기구에 의해 이송되는 스크린(6)의 경로상에 배치되어 상기 스크린(6)에 달라붙은 분체도료를 수거하는 수거기구(10)를 포함하여 구성되는 것을 특징으로 하는 분체도장 장치.A transfer device 4 for supplying and discharging the object 2 to the painting booth, and a screen having a predetermined pattern formed thereon and disposed in front of the object 2 to be transferred by a separate driving mechanism ( 6), an injection nozzle 8 which is disposed in front of the screen 6 and injects powder coating so that a pattern pattern formed on the screen 6 is formed on the surface of the object to be coated 2, and the driving mechanism And a collecting mechanism (10) arranged on a path of the screen (6) to be conveyed by the collector to collect the powder paint clinging to the screen (6). 이송장치(4)에 의해 이송되는 피도장물(2)의 전방에 소정의 무늬패턴이 형성된 스크린(6)을 배치하고, 이 스크린(6)의 전방에서 분체도료를 분사하여, 스크린(6)에 형성된 무늬패턴에 따라 피도장물(2)의 표면에 도료를 부착시킨 후, 피도장물(2)의 표면에 부착된 분체도료를 가열, 용해 및 경화시켜, 상기 피도장물(2)의 표면에 소정의 무늬를 나타낼 수 있도록 수 있도록 된 것을 특징으로 하는 분체도장방법.The screen 6 in which a predetermined pattern is formed is placed in front of the object to be conveyed 2 by the conveying device 4, and the powder coating is sprayed in front of the screen 6 to form the screen 6 After the coating is applied to the surface of the workpiece 2 according to the pattern formed on the surface, the powder coating adhered to the surface of the coating 2 is heated, dissolved and cured, thereby Powder coating method characterized in that to be able to exhibit a predetermined pattern on the surface.
KR1019990050146A 1999-11-12 1999-11-12 powder coating apparatus and powder coating method thereof KR100312797B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101107961B1 (en) * 2009-06-12 2012-01-30 주식회사 한산스틸플러스 Panel having a three dimensional pattern on metal plate and manufacturing method thereof
KR102559831B1 (en) 2022-12-29 2023-07-25 박세연 Powder coating method of saddle

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KR101877202B1 (en) * 2018-03-06 2018-07-11 이재오 Powder Coating Appratus With Screen
KR102063189B1 (en) 2019-02-07 2020-01-07 김태형 A powder coating system having curved rail
KR102487836B1 (en) 2022-07-11 2023-01-12 김진학 Powder coating device and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101107961B1 (en) * 2009-06-12 2012-01-30 주식회사 한산스틸플러스 Panel having a three dimensional pattern on metal plate and manufacturing method thereof
KR102559831B1 (en) 2022-12-29 2023-07-25 박세연 Powder coating method of saddle

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