KR20030032475A - Swirl Type Sealing Gun - Google Patents

Swirl Type Sealing Gun Download PDF

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Publication number
KR20030032475A
KR20030032475A KR1020010064274A KR20010064274A KR20030032475A KR 20030032475 A KR20030032475 A KR 20030032475A KR 1020010064274 A KR1020010064274 A KR 1020010064274A KR 20010064274 A KR20010064274 A KR 20010064274A KR 20030032475 A KR20030032475 A KR 20030032475A
Authority
KR
South Korea
Prior art keywords
supply pipe
coating
air
gun
coating material
Prior art date
Application number
KR1020010064274A
Other languages
Korean (ko)
Inventor
김재홍
Original Assignee
기아자동차주식회사
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 기아자동차주식회사 filed Critical 기아자동차주식회사
Priority to KR1020010064274A priority Critical patent/KR20030032475A/en
Publication of KR20030032475A publication Critical patent/KR20030032475A/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
    • 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
    • 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
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl

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  • Nozzles (AREA)

Abstract

PURPOSE: Provided is an eddy-type sealing gun which sprays low pressure of air to a coated material sprayed through a nozzle tip to spray the coated material in an eddy type and distribute uniformly so that it raises adhesion efficiency. CONSTITUTION: In the sealing gun(1) which receives the coated material from a material supply pipe(2), extrudes the coated material and coats a coated side with the coated material, the eddy-type sealing gun is characterized by comprising the parts of: an air supply pipe(3) which is placed in a downward direction of the material supply pipe; and a nozzle part(4) which places six air spray holes in a radial direction at the center of the nozzle tip under the air supply pipe.

Description

와류식 도포건{Swirl Type Sealing Gun}Swirl Type Sealing Gun

본 발명은 도포재료를 분사하도록 된 도포건에 관한 것으로, 특히 노즐팁을 통해 고속으로 분사되는 도포재료에 저압의 공기를 분사시켜 도포재료가 와류형태로 분사되면서 도포면에 고루 퍼지도록 되어 소량으로 높은 접착효율을 얻을 수 있음은 물론, 작업속도를 고속으로 진행할 수 있도록 된 와류식 도포건에 관한 것이다.The present invention relates to a coating gun which is to spray the coating material, in particular, by spraying a low pressure air to the coating material is sprayed at high speed through the nozzle tip, the coating material is sprayed in the vortex form to spread evenly on the coating surface The present invention relates to a vortex type application gun that can achieve adhesion efficiency as well as speed up the working speed.

일반적으로 자동차의 생산공정 중에는 재료들 사이의 접합이나, 내부로부터의 누설 및 외부로부터의 이물질 침입을 방지하기 위해 실링(Sealing)을 하게 되는데, 통상 이러한 실링에 사용되는 장치인 도포건(Sealing Gun)은 도포재료를 저속/저압으로 압출시켜 도포면에 도포하도록 되어 있다.In general, during the production process of automobiles, sealing is performed to prevent bonding between materials, leakage from inside, and foreign matter intrusion from the outside. A sealing gun, which is a device generally used for such sealing, is used. The silver coating material is extruded at a low speed / low pressure to be applied to the coated surface.

즉, 상기 도포건으로부터 도포된 비이드(Bead;101)는, 도 6에서 보는 바와 같이, 그 폭이 1~15mm, 높이는 1~5mm 이고, 도포속도는 200~300mm/sec로써 도포면에 일자형태로 도포된다.That is, the beads (Bead) 101 applied from the coating gun, as shown in Figure 6, the width is 1 ~ 15mm, the height is 1 ~ 5mm, the coating speed is 200 ~ 300mm / sec in the form of a flat surface Is applied.

그러나 상기와 같은 종래의 도포건은 저속으로 동작되므로 작업속도의 향상에 제한요인이 될 뿐만 아니라, 수직으로 도포된 비이드(101)가 상부에서부터 흘러내려 도포상태가 나빠지는 문제점이 있었다.However, since the conventional coating gun is operated at a low speed, it is not only a limiting factor in the improvement of the working speed, but also has a problem in that the bead 101 applied vertically flows down from the top, thereby deteriorating the coating state.

또한 온도조건에 따라 토출량의 변화가 심하여 품질이 일정하지 않아서 동절기에는 도포재료가 도포건내에서 굳어버려 생산라인이 정지되는 문제점도 있었다.In addition, there is a problem in that the production line is stopped because the quality of the discharge amount is severe and the quality is not constant due to the temperature conditions, and the coating material hardens in the coating gun in winter.

이에 본 발명은 상기와 같은 문제점을 해결하기 위해 발명된 것으로, 고압으로 분사되는 도포재료가 저압으로 분사되는 공기에 의해 와류형태로 분사되도록 하여 접착효율을 증대시키고, 작업속도를 향상시키는 한편, 도포재료의 소모량도 줄일 수 있도록 된 와류식 도포건을 제공하는데 그 목적이 있다.Therefore, the present invention was invented to solve the above problems, and the coating material sprayed at high pressure is sprayed in a vortex by air injected at low pressure, thereby increasing the adhesion efficiency and improving the working speed, while applying It is an object of the present invention to provide a vortex type application gun which can reduce the consumption of materials.

도 1 은 본 발명에 따른 와류식 도포건의 정면도,1 is a front view of the vortex type spray gun according to the present invention,

도 2 는 본 발명에 따른 노즐부의 상세 단면도,2 is a detailed cross-sectional view of the nozzle unit according to the present invention;

도 3 은 본 발명에 따른 노즐부의 평면도,3 is a plan view of the nozzle unit according to the present invention;

도 4 는 본 발명에 따른 도포건에서 분사된 도포재료의 분사 형태도,Figure 4 is a spray form of the coating material sprayed from the coating gun according to the present invention,

도 5 는 본 발명에 따른 도포건에서 도포재료가 분사되는 모습을 보여주는 작동도,5 is an operation showing the appearance that the coating material is sprayed in the coating gun according to the invention,

도 6 은 종래기술에 따른 도포건에서 분사된 도포재료의 분사 형태도로서, 도 4 의 대응도이다.FIG. 6 is a view illustrating the spraying of the coating material sprayed from the coating gun according to the prior art, and FIG. 4.

1 : 도포건2 : 재료공급관1: coating gun 2: material supply pipe

3 : 공기공급관4 : 노즐부3: air supply pipe 4: nozzle part

4a : 노즐팁4b : 공기분사구4a: nozzle tip 4b: air jet

5 : 비이드6 : 도포면5: bead 6: coated surface

A : 패턴폭A: pattern width

상기와 같은 목적을 달성하기 위한 본 발명은, 도포재료가 공급되는 재료공급관과 공기가 공급되는 공기공급관이 설치되는 한편, 하부에 노즐팁을 중심으로 다수개의 공기분사구가 방사상으로 배치된 노즐부로 이루어진다.The present invention for achieving the above object, the material supply pipe to which the coating material is supplied and the air supply pipe is supplied with air, while the lower portion is composed of a nozzle portion which is arranged radially with a plurality of air injection sphere centered on the nozzle tip .

이하 본 발명을 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1 은 본 발명에 따른 와류식 도포건의 정면도이고, 도 2 는 본 발명에 따른 노즐부의 상세 단면도이며, 도 3 은 본 발명에 따른 노즐부의 평면도이고, 도 4 는 본 발명에 따른 도포건에서 분사된 도포재료의 분사 형태도이며, 도 5 는 본 발명에 따른 도포건에서 도포재료가 분사되는 모습을 보여주는 작동도로서, 도 1 내지 도2에서 굵은 실선으로 도시된 부분은 도포재료를 표시하고, 가는 실선으로 도시된 부분은 분사되는 공기를 표시한다.1 is a front view of a vortex type spray gun according to the present invention, FIG. 2 is a detailed cross-sectional view of the nozzle unit according to the present invention, FIG. 3 is a plan view of the nozzle unit according to the present invention, and FIG. 5 is an operation view showing a state in which the coating material is sprayed in the coating gun according to the present invention, the portion shown in bold solid line in Figures 1 to 2 indicates the coating material, The part shown with a thin solid line indicates the air injected.

본 발명은 재료공급관에서 도포재료를 공급받아 압출시켜 도포면에 도포재료를 도포하도록 된 도포건에 있어서, 상기 재료공급관(2)의 하방으로 공기공급관(3)이 설치되고, 이 공기공급관(3)의 하부에 노즐팁(4a)을 중심으로 6개의 공기분사구(4b)가 방사상으로 배치된 노즐부(4)가 설치되어 이루어진다.The present invention is applied to the coating material is supplied from the material supply pipe extruded to apply the coating material to the coating surface, the air supply pipe (3) is provided below the material supply pipe (2), the air supply pipe (3) At the lower part of the nozzle tip 4a, six nozzles 4b are arranged radially with respect to the nozzle tip 4a.

여기서 상기 노즐부(4)의 공기분사구(4b) 배치형태는, 도 2 내지 도 3에서 보는 바와 같이, 수직으로 30도 경사지고, 수평으로 20도 경사지게 배치된다.Here, as shown in Figs. 2 to 3, the arrangement of the air injection port 4b of the nozzle unit 4 is arranged to be inclined 30 degrees vertically and 20 degrees horizontally.

이에 따라, 상기 재료공급관(2)에서 공급되는 도포재료가 노즐팁(4a)을 통해고압으로 분사되는 순간, 상기 공기공급관(3)을 통해 공급되는 저압의 공기가 상기 공기분사구(4b)들을 통해 분사되어 상기 도포재료에 와류를 형성시켜, 도 5에서 보는 바와 같이, 분사된 도포재료인 비이드(5)가 스프링형상으로 도포면(6)에 도포된다.Accordingly, the moment the coating material supplied from the material supply pipe (2) is injected at high pressure through the nozzle tip (4a), the air of low pressure supplied through the air supply pipe (3) through the air injection port (4b) By spraying to form a vortex in the coating material, as shown in Fig. 5, the bead 5, which is the spraying coating material, is applied to the coating surface 6 in a spring shape.

여기서 상기 비이드(5)를 살펴보면, 도 4에서 보는 바와 같이, 상기 노즐부(4)가 도포면(6)과 일정거리 이격(20~60mm)되어 동작되므로 일정한 패턴폭을 유지하며 도포되는데, 이로 인해 도포면(6)과의 충돌위험을 최소화시키면서 고압으로 분사되므로 작업속도를 고속화(500~1000mm/sec)할 수 있게 된다.Looking at the bead (5), as shown in Figure 4, the nozzle portion (4) is applied to maintain a constant pattern width because the operation is spaced apart from the coating surface 6 (20 ~ 60mm), this Due to the high pressure while minimizing the risk of collision with the coating surface (6) it is possible to speed up the work speed (500 ~ 1000mm / sec).

한편, 상기 비이드(5)의 패턴 형상은 분사되는 공기압의 세기, 노즐부(4)와 도포면(6)의 이격거리, 도포재료의 분사압력 및 분사유속 및 노즐의 크기에 따라 변화되므로, 각각의 조건을 조절하여 원하는 최적의 패턴을 만들 수 있다.On the other hand, the pattern shape of the bead 5 is changed depending on the strength of the air pressure to be injected, the separation distance between the nozzle portion 4 and the coating surface 6, the injection pressure and the spray flow rate of the coating material and the size of the nozzle, respectively, You can adjust the conditions of the to create the optimal pattern you want.

그리고, 도포건(1)의 분사각도는 도포면(6)과 수직상태를 유지시켜 분사되는 도포재료가 올바른 패턴을 유지하며 도포면(6)에 분사되도록 하는 것이 바람직하다.The spraying angle of the coating gun 1 is preferably maintained perpendicular to the coating surface 6 so that the sprayed coating material is sprayed onto the coating surface 6 while maintaining the correct pattern.

한편, 본 발명에 따른 도포건(1)의 도포재료는 적당한 점성을 지닌 재료가 바람직한데, 점성이 너무 낮을 경우 분사되는 공기에 의해 부적절한 비산이 발생하기 때문이다.On the other hand, the coating material of the coating gun 1 according to the present invention is preferably a material having a suitable viscosity, because when the viscosity is too low, inappropriate scattering occurs by the air injected.

이상 설명한 바와 같이 본 발명에 따르면, 고속으로 분사되는 도포재료에 저압의 공기가 분사되면서 상기 도포재료가 와류에 의해 스프링 형상으로 도포면에도포되도록 하여, 소량의 도포재료만으로 높은 접착효율을 가지며, 고속으로 작업진행이 가능함은 물론, 도포면과의 적정이격을 통해 물리적 접촉을 방지하고 비이드의 도포가 균일하게 이루어질 수 있는 효과가 있다.As described above, according to the present invention, while the low pressure air is injected into the coating material to be sprayed at high speed, the coating material is applied to the coating surface in a spring shape by vortex, so that only a small amount of the coating material has high adhesion efficiency. In addition, the work can be progressed, as well as to prevent physical contact through an appropriate distance from the application surface, there is an effect that the application of the beads can be made uniform.

Claims (2)

재료공급관에서 도포재료를 공급받아 압출시켜 도포면에 도포재료를 도포하도록 된 도포건에 있어서,In the coating gun supplied with the coating material from the material supply pipe and extruded to apply the coating material to the coating surface, 상기 재료공급관(2)의 하방으로 공기공급관(3)이 설치되고, 이 공기공급관(3)의 하부에 노즐팁(4a)을 중심으로 6개의 공기분사구(4b)가 방사상으로 배치된 노즐부(4)가 설치되어 이루어진 것을 특징으로 하는 와류식 도포건.An air supply pipe 3 is installed below the material supply pipe 2, and a nozzle part having six air injection holes 4b radially disposed around the nozzle tip 4a at the lower part of the air supply pipe 3 ( 4) vortex type application gun, characterized in that the installation is made. 제 1 항에 있어서, 공기분사구(4b)는 수직으로 30도 경사지고, 수평으로 20도 경사지게 배치되는 것을 특징으로 하는 와류식 도포건.The vortex spray gun according to claim 1, wherein the air injection port (4b) is inclined 30 degrees vertically and inclined 20 degrees horizontally.
KR1020010064274A 2001-10-18 2001-10-18 Swirl Type Sealing Gun KR20030032475A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100807356B1 (en) * 2006-09-15 2008-02-28 주식회사 데코엔지니어링 Spray nozzle for bonding to attach inner and outer pannel for car

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785996A (en) * 1987-04-23 1988-11-22 Nordson Corporation Adhesive spray gun and nozzle attachment
EP0367985A2 (en) * 1988-11-07 1990-05-16 Nordson Corporation Nozzle attachment for an adhesive spray gun
JPH03146160A (en) * 1989-11-01 1991-06-21 Nordson Kk Spout coating method for hot melt bonding agent, attachment for pattern air nozzle, and spout coating bonded product
US5169071A (en) * 1990-09-06 1992-12-08 Nordson Corporation Nozzle cap for an adhesive dispenser
WO1999059732A1 (en) * 1998-05-17 1999-11-25 Kabushiki Kaisha Santuuru Nozzle device and gun unit of adhesive agent spirally spray-coating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785996A (en) * 1987-04-23 1988-11-22 Nordson Corporation Adhesive spray gun and nozzle attachment
EP0367985A2 (en) * 1988-11-07 1990-05-16 Nordson Corporation Nozzle attachment for an adhesive spray gun
JPH03146160A (en) * 1989-11-01 1991-06-21 Nordson Kk Spout coating method for hot melt bonding agent, attachment for pattern air nozzle, and spout coating bonded product
US5169071A (en) * 1990-09-06 1992-12-08 Nordson Corporation Nozzle cap for an adhesive dispenser
WO1999059732A1 (en) * 1998-05-17 1999-11-25 Kabushiki Kaisha Santuuru Nozzle device and gun unit of adhesive agent spirally spray-coating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100807356B1 (en) * 2006-09-15 2008-02-28 주식회사 데코엔지니어링 Spray nozzle for bonding to attach inner and outer pannel for car

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