KR100764608B1 - Welding machine for catalytic converter - Google Patents

Welding machine for catalytic converter Download PDF

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Publication number
KR100764608B1
KR100764608B1 KR1020060100913A KR20060100913A KR100764608B1 KR 100764608 B1 KR100764608 B1 KR 100764608B1 KR 1020060100913 A KR1020060100913 A KR 1020060100913A KR 20060100913 A KR20060100913 A KR 20060100913A KR 100764608 B1 KR100764608 B1 KR 100764608B1
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South Korea
Prior art keywords
welding
catalytic converter
electrode
welding electrode
flange
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KR1020060100913A
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Korean (ko)
Inventor
김화섭
박정길
박덕용
김삼방
김두석
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세종공업 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • B23K33/004—Filling of continuous seams
    • B23K33/008—Filling of continuous seams for automotive applications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0282—Carriages forming part of a welding unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
    • B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
    • B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1827—Sealings specially adapted for exhaust systems

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

A welding apparatus for a catalytic converter is provided to increase speed of the welding without interference of welding electrode parts and an in flange by placing first and second welding electrodes alternately. A catalytic converter(50) of a vehicle includes in and out flanges(51,52) and a can pipe(53) and is installed on a rotary welding jig(60). The welding apparatus(10) for the catalytic converter comprises frames(20), a first welding electrode(30), and a second welding electrode(40). The first welding electrode is inclined from a right upward direction of the frame to a left downward direction to weld along a circumferential surface on which the in flange and the can pipe are contacted. The second welding electrode is inclined from a left upward direction of the frame to a right downward direction and installed with an X shape when the second welding electrode is alternated with the first welding electrode. The catalytic converter is a worm up catalytic converter, and the welding apparatus is a CO2 automatic welding apparatus.

Description

촉매 컨버터용 용접장치{Welding machine for catalytic converter} Welding machine for catalytic converter {Welding machine for catalytic converter}

도 1a는 종래의 촉매 컨버터용 용접장치를 도시하는 개략적인 도면이다.1A is a schematic diagram showing a conventional welding device for a catalytic converter.

도 1b는 종래의 촉매 컨버터용 용접장치를 도시하는 개략적인 도면이다.1B is a schematic diagram showing a conventional welding apparatus for a catalytic converter.

도 2는 본 발명에 의한 촉매 컨버터용 용접장치를 도시하는 개략적인 도면이다.2 is a schematic diagram showing a welding device for a catalytic converter according to the present invention.

도 3은 본 발명에 의한 촉매 컨버터용 용접장치에 의해 용접되는 웜업 촉매 컨버터(WCC: warm-up catalytic converter)를 도시하는 사시도이다.3 is a perspective view showing a warm-up catalytic converter (WCC) welded by a welding device for a catalytic converter according to the present invention.

*도면부호에 대한 간략한 설명** Brief Description of Drawings *

1...촉매 컨버터용 용접장치 2...프레임 3...용접 전극부1. Welding device for catalytic converter 2. Frame 3. Welding electrode part

4...촉매 컨버터 5...용접지그4.catalyst converter 5 ... welding jig

10...촉매 컨버터용 용접장치10 ... Welding device for catalytic converter

20...프레임20 ... frame

30...제1 용접전극부30.First welding electrode part

40...제2 용접전극부40.2nd welding electrode part

50...촉매 컨버터 51...인 플랜지 52...아웃 플랜지50 ... catalytic converter 51 ... in flange 52 ... out flange

53...캔 파이프(can pipe) 54...좌측 용접선 55...우측 용접선53 ... can pipe 54 ... left weld line 55 ... right weld line

60...용접지그60 ... welding jig

본 발명은 인, 아웃 플랜지와 캔 파이프(can pipe)를 포함하는 자동차의 촉매 컨버터를 동시에 양면을 용접하는 용접장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a welding apparatus for welding both sides of a catalytic converter of an automobile including an in and out flange and a can pipe at the same time.

일반적으로 촉매 컨버터는 대기오염을 유발하는 자동차 배기가스 후처리장치이다. Catalytic converters are typically automotive exhaust aftertreatments that cause air pollution.

자동차로부터 배출되는 배기가스에는 주로 일산화탄소(CO), 질소산화물(NOx), 미연소탄화수소(HC) 등의 유해물질이 포함되어 있다. Exhaust gases emitted from automobiles mainly contain harmful substances such as carbon monoxide (CO), nitrogen oxides (NOx), and unburned hydrocarbons (HC).

촉매 컨버터는 CO, HC, NOx 등의 유해물질을 산화 또는 환원시켜 정화하는 장치이다. 공연비가 희박한 영역에서는 CO, HC가, 농후한 영역에서는 NOx 가 높은 저감률을 보이므로, 결국 세 가지의 배출가스를 동시에 저감하기 위해서는 이론공연비 근방에서 연소를 해야 할 필요가 있다. 또한, 촉매본체인 담체는 주로 귀금속물질을 코팅하여 만들어지며 표면온도가 약 550도에 이르러 정상적으로 작동한다. 이에 따라 촉매의 라이트 오프(light-off)는 촉매의 변환효율이 50%를 넘어서는 시점의 온도이며, 촉매의 가열을 빠르게 하기 위해서 전기히터나 버너 등을 촉매주위에 부착하는 방법이 사용되기도 하며 (EHC, EGI), 촉매를 엔진에 가깝게 부착하여 배기열을 이용하는 방법(CCC)도 있다.Catalytic converters are CO, HC, NO x It is a device that cleans by oxidizing or reducing harmful substances. Since CO and HC show high reduction rates in areas where air-fuel ratios are scarce, and NO x shows high concentrations in the air-fueled regions, it is necessary to burn near the theoretical air-fuel ratios in order to simultaneously reduce the three emissions. In addition, the carrier, which is a catalyst body, is mainly made by coating a precious metal material and operates normally when the surface temperature reaches about 550 degrees. Accordingly, the light-off of the catalyst is the temperature at which the conversion efficiency of the catalyst exceeds 50%, and in order to accelerate the heating of the catalyst, a method of attaching an electric heater or a burner around the catalyst may be used ( EHC, EGI) and a method of attaching a catalyst close to the engine to use exhaust heat (CCC) are also available.

디젤엔진 등 희박연소의 경우, 삼원촉매에 대신에 디젤산화촉매 (Diesel Oxidation Catalyst, DOC)가 사용되기도 하며, HC, CO 및 SOF 성분 제거를 위해 매연여과장치 (Diesel Particulate Filter trap, DPF)가 별도로 설치되기도 한다.In the case of lean burns such as diesel engines, diesel oxidation catalysts (DOC) may be used instead of three-way catalysts, and a diesel particulate filter trap (DPF) is separately used to remove HC, CO and SOF components. It may be installed.

웜업 촉매 컨버터(WCC)는 촉매의 가열과 관련하여 엔진 배기매니폴더에 근접하여 설치되는 촉매 컨버터이며, 인, 아웃 플랜지와 캔 파이프 등으로 이루어지는 하우징과, 상기 하우징에 수납되는 촉매 등으로 이루어진다. 상기 촉매는 펠릿형, 세라믹 모노리스형, 금속 모노리스형 담체와, 상기 담체에 코팅되는 백금, 로듐 또는 팔라듐 등으로 이루어진다.The warm-up catalytic converter (WCC) is a catalytic converter installed in close proximity to the engine exhaust manifold in connection with heating of the catalyst. The warm-up catalytic converter (WCC) includes a housing made of in-out flanges and can pipes, and a catalyst housed in the housing. The catalyst consists of a pellet type, ceramic monolith type, metal monolith type carrier, and platinum, rhodium or palladium coated on the carrier.

한편, 촉매 컨버터, 특히 WCC는 인, 아웃 플랜지와 캔 파이프로 이루어지고, 인 플랜지와 캔 파이프의 대략 원주형태의 용접선과 아웃 플랜지와 캔 파이프의 대략 원주형태의 용접선으로 아크 용접, 특히 CO2 용접에 의해 결합되고 있었다.On the other hand, catalytic converters, in particular WCC, consist of in and out flanges and can pipes, and arc welding, in particular CO 2 , of welded lines of approximately circumferential shape of the in flange and can pipes and weld lines of approximately circumferential shape of the out flange and can pipes It was joined by welding.

용접 작업에 필요한 구성요소는 용접 종류에 따라 다소 차이는 있으나 모재(피용접물), 열원(가스열, 전기열, 마찰열), 용가재(용접봉), 전극 또는 용접기구(토우치) 등이 있다. 그리고 관련 장치로 용접지그가 있다.The components required for welding work vary somewhat depending on the type of welding, but there are a base material (welded material), a heat source (gas heat, electric heat, frictional heat), filler metal (welding rod), electrode or welding device (torch). And related devices are welding jig.

아크 용접이란 전극과 모재의 표면 사이에 발생하는 전기적 아크와 열에 의해 두 금속을 접합하는 과정이다. 아크란 용접봉과 모재 사이에 전압을 걸고 용접봉 끝부분을 모재에 살짝 접촉시켰다가 떼는 순간에 불꽃 방전을 의한 원호(arc) 모양의 청백색의 강한 빛을 내는 부분을 말한다.Arc welding is the process of joining two metals by an electric arc and heat generated between the electrode and the surface of the substrate. The arc is the part that emits strong arc-white light by spark discharge when the voltage is applied between the electrode and the base material, and the tip of the electrode is lightly contacted with the base material.

아크 용접에는 피복아크용접(SMAW), TIG용접, MIG용접, CO2 용접 등이 있다.Arc welding includes coated arc welding (SMAW), TIG welding, MIG welding, and CO 2 Welding and the like.

CO2 용접법은 전극이 소모성이므로 연속적으로 전극 와이어를 공급해 주어야 한다. CO2 용접장치는 가스 공급장치, 전극 와이어 공급 장치, 전원 및 제어장치로 되어 있으며, 이 전극 와이어의 주위로 이산화탄소 가스가 흐르게 된다.CO 2 The welding method is that the electrode is consumable, so the electrode wire must be supplied continuously. CO 2 The welding device includes a gas supply device, an electrode wire supply device, a power supply and a control device, and carbon dioxide gas flows around the electrode wire.

용접 품질은 일반적으로 외관, 너깃의 크기, 기계적 성질, 내부 결함 및 용접 후 피용접물의 분리와 날림 발생 등에 의해 결정된다.Welding quality is generally determined by appearance, size of nuggets, mechanical properties, internal defects and separation and flapping of welded material after welding.

그런데 도 1a, 도 1b에는 종래의 촉매 컨버터용 용접장치(1)가 개략적으로 도시되어 있다. 촉매 컨버터(4)의 하우징은 인 플랜지, 아웃 플랜지 및 캔 파이프로 이루어지고 각 단품은 CO2 용접으로 기밀하게 결합되었다. 용접선이 인 플랜지와 캔 파이프의 접합면으로 대략 원주형태로 좌측에 있었고, 다른 용접선이 아웃 플랜지와 캔 파이프의 접합면으로 대략 원주형태로 우측에 있었다. 이에 따라 도 1a, 도 1b에 도시된 비슷하지만 다른 2대의 촉매 컨버터용 용접장치(1)에 의해 용접되었다. 도 1a에 도시된 촉매 컨버터용 용접장치의 프레임(2) 상에 설치된 용접 전극부(3)에 의해 인 플랜지와 캔 파이프의 접합면상의 좌측 용접선이 용접되었다. 그런 후에 상기 촉매 컨버터(4)는 도 1b에 도시된 촉매 컨버터용 용접장치(1)로 파렛트로 이동되고 용접지그(5)에 다시 로딩되었다. 마직막으로 도 1b에 도시된 촉매 컨버터용 용접장치(1)에 의해 아웃 플랜지와 캔 파이프의 접합면상의 우측 용접선이 용접되었다. 이 때문에 용접 설비의 투자비가 과다하고, 용접 공정시간이 증가하고, 생산성이 저하되는 문제점이 있었다.1A and 1B schematically show a conventional welding device 1 for a catalytic converter. The housing of the catalytic converter 4 consists of an in flange, an out flange and a can pipe, each unit being CO 2 Welded tightly by welding. The weld line was on the left side in the form of a circumference of the in-flange and can pipes, and the other weld line was on the right side in the form of a circumference. This was welded by two similar but different welding apparatuses 1 for catalytic converters shown in FIGS. 1A and 1B. The left welding line on the joint surface of the in-flange and the can pipe was welded by the welding electrode part 3 provided on the frame 2 of the welding device for catalytic converters shown in FIG. 1A. The catalytic converter 4 was then palletized to the welding device 1 for the catalytic converter shown in FIG. 1B and loaded back into the welding jig 5. Finally, the welding line 1 for the catalytic converter shown in FIG. 1B welded the right welding line on the joint surface of the out flange and the can pipe. For this reason, there is a problem that the investment cost of the welding equipment is excessive, the welding process time increases, and the productivity decreases.

그리고, 때때로 일부 촉매 컨버터(4)의 제품은 좌측 용접선의 용접시 용접 전극부과 인 플랜지가 간섭되어, 용접이 용이하지 않은 문제점이 있었다. In some cases, the products of the catalytic converter 4 sometimes have a problem in that the welding electrode portion and the phosphor flange interfere with the welding of the left welding line, and thus welding is not easy.

본 발명은 상기한 문제점 등을 해결하기 위해 안출한 것으로써, 본 발명의 목적은 자동차 촉매 컨버터의 양 측면을 동시에 용접하는 촉매 컨버터용 용접장치를 제공하는 것이다.The present invention has been made to solve the above problems, the object of the present invention is to provide a welding device for a catalytic converter for welding both sides of the automotive catalytic converter at the same time.

또한, 본 발명의 목적은 좌측 용접선의 용접시 용접 전극부과 인 플랜지가 간섭없이, 신속히 용접하는 촉매 컨버터용 용접장치를 제공하는 것이다.It is also an object of the present invention to provide a welding device for a catalytic converter in which a welding electrode portion and a phosphorus flange weld quickly without interference when the left welding line is welded.

상기한 문제점 등을 해결하기 위해, 본 발명에 의한 촉매 컨버터용 용접장치는 인, 아웃 플랜지와 캔 파이프(can pipe)를 포함하며 회전 용접지그에 설치된 자동차의 촉매 컨버터를 용접하는 용접장치에 있어서, 프레임과; 상기 인 플랜지와 상기 캔 파이프가 접하는 원주면에 따라 용접하도록, 대체로 좌에서 우 상방향으로 상기 프레임에 설치되는 제1 용접 전극부과; 동시에 상기 아웃 플랜지와 상기 캔 파이프가 접하는 원주면에 따라 용접하도록, 대체로 우에서 좌 상방향으로 상기 프레임에 설치되는 제2 용접 전극부를; 포함한다.In order to solve the above problems, the welding device for a catalytic converter according to the present invention includes an in, out flange and can pipe (can pipe) in the welding device for welding the catalytic converter of the vehicle installed in the rotary welding jig, A frame; A first welding electrode portion installed on the frame, generally from left to right, to weld along the circumferential surface of the in-flange and the can pipe; A second welding electrode portion installed on the frame, generally from right to left, to weld along the circumferential surface where the out flange and the can pipe contact each other; Include.

또한, 본 발명에서 바람직하게는 상기 촉매 컨버터는 웜업 촉매 컨버터(wcc)이며, 상기 촉매컨버터용 용접장치는 CO2 자동용접장치이다.In the present invention, preferably, the catalytic converter is a warm-up catalytic converter (wcc), and the welding device for the catalytic converter is a CO 2 automatic welding device.

또한, 본 발명에 의한 촉매 컨버터용 용접장치는 인, 아웃 플랜지와 캔 파이프(can pipe)를 포함하며 회전 용접지그에 설치된 자동차의 촉매 컨버터를 용접하는 용접장치에 있어서,프레임과; 상기 인 플랜지와 상기 캔 파이프가 접하는 원 주면에 따라 용접하도록, 좌측으로 상기 프레임에 설치되는 제1 용접 전극부과; 동시에 상기 아웃 플랜지와 상기 캔 파이프가 접하는 원주면에 따라 용접하도록, 상기 제1 용접 전극부과 대체로 평행하며 우측으로 상기 프레임에 설치되는 제2 용접 전극부를; 포함한다.In addition, the welding device for a catalytic converter according to the present invention includes an in, out flange and a can pipe, and a welding device for welding a catalytic converter of an automobile installed in a rotary welding jig, comprising: a frame; A first welding electrode portion provided on the frame on the left side to weld along the circumferential surface of the phosphor flange and the can pipe; A second welding electrode portion which is generally parallel to the first welding electrode portion and installed in the frame on the right side so as to weld along the circumferential surface of the out flange and the can pipe at the same time; Include.

이하, 첨부도면을 참조하여 본 발명의 바람직한 실시예로써 X형 촉매 컨버터용 용접장치를 구체적으로 설명한다.Hereinafter, a welding apparatus for an X-type catalytic converter as a preferred embodiment of the present invention with reference to the accompanying drawings in detail.

도 2, 도 3에 도시되듯이, 본 발명에 의한 촉매 컨버터용 용접장치(10)는 프레임(20), 제1 용접전극부(30), 제2 용접전극부(40)을 포함하여, 촉매 컨버터(50)의 양측면을 동시에 용접한다.As shown in FIG. 2, FIG. 3, the welding device 10 for a catalytic converter according to the present invention includes a frame 20, a first welding electrode part 30, and a second welding electrode part 40. Both sides of the converter 50 are welded at the same time.

상기 촉매 컨버터용 용접장치(10)는 바람직하게는 CO2 자동용접장치이며, 도 2, 3에는 제1, 2 용접전극부(30, 40)을 중심으로 개략으로 도시한 것이다. 자동용접장치는 용접전원, 용접 와이어 송급기, 가스 공급기, 제어부, 프레임, 용접건 또는 용접 전극부, 용접전극부 이송장치, 피용접물 이송장치 및 용접지그 등을 포함한다. 또한, 기계적인 용접제어방법 또는 용접 제어프로그램을 포함한다. 경우에 따라서 각종 상황을 감지하는 센서를 포함하고 상기 용접전극부 이송장치 등은 필요에 따라 설치되지 않을 수 있다.The welding device 10 for the catalytic converter is preferably CO 2 It is an automatic welding device, and Figs. 2 and 3 schematically illustrate the first and second welding electrode parts 30 and 40. The automatic welding device includes a welding power supply, a welding wire feeder, a gas supply, a control unit, a frame, a welding gun or a welding electrode unit, a welding electrode unit transfer device, a welded object transfer unit, a welding jig, and the like. It also includes a mechanical welding control method or a welding control program. In some cases, it includes a sensor for detecting a variety of situations and the welding electrode transfer device may not be installed as necessary.

상기 촉매 컨버터(50)는 바람직하게는 엔진 배기매니폴드에 근접하게 위치하는 웜업 촉매 컨버터(WCC)이며, 하우징으로 인 플랜지(51), 아웃 플랜지(52)와 캔 파이프(53)를 포함한다.The catalytic converter 50 is preferably a warm-up catalytic converter (WCC) located proximate to the engine exhaust manifold and includes an in flange 51, an out flange 52 and a can pipe 53 as a housing.

상기 인 플랜지(51)는 바람직하게는 주조품으로, 엔진 배기매니폴드 등과 결합되며, 설치공간에 따라 대체로 형상이 주어진다.The in-flange 51 is preferably a cast product, which is coupled to an engine exhaust manifold and the like, and is generally shaped according to an installation space.

상기 아웃 플랜지(52)는 바람직하게는 주조품으로, 주로 배기파이프에 의해 삼원 촉매 컨버터 또는 센터 머플러 어셈블리에 연결된다.The out flange 52 is preferably a casting, which is connected to the three-way catalytic converter or center muffler assembly, mainly by exhaust pipe.

상기 캔 파이프(53)는 바람직하게는 원형 파이프이며, 경우에 따라서는 판금가공된 상부, 하부의 플레이트 용접결합에 의해 형성되며, 내부에 촉매를 수납한다.The can pipe 53 is preferably a circular pipe, and in some cases, is formed by plate welding of the upper and lower parts of the sheet metal processing, and houses the catalyst therein.

상기 인 플랜지(51)와 상기 캔 파이프(53)의 접합면에 따라 후술하는 용접에 의해 좌측 용접선(54)이 형성된다. 그리고, 상기 아웃 플랜지(52)와 상기 캔 파이프(53)의 접합면에 따라 후술하는 용접에 의해 우측 용접선(55)이 형성된다.A left welding line 54 is formed by welding described later along the joining surface of the in-flange 51 and the can pipe 53. The right welding line 55 is formed by welding described later along the joining surface of the out flange 52 and the can pipe 53.

이와 같이, 상기 인 플랜지(51), 아웃 플랜지(52) 및 캔 파이프(53)가 단품 형태로 미리 준비된다. 그런 후에 상기 부품 들은 가조립되며, 좌측 용접선(54)과 우측 용접선(55)의 일부분에 가용접된다.In this manner, the in flange 51, the out flange 52, and the can pipe 53 are prepared in advance in a single piece form. The parts are then preassembled and welded to a portion of the left weld line 54 and the right weld line 55.

가용접된 촉매 컨버터(50)는 용접지그(60)에 로딩된다. 용접 지그는 용접 전극부 또는 토치가 피용접물에 접근을 용이하게 하고, 피용접물을 고정하며, 피용접물의 용접 변형을 방지하는 등의 역활을 하는 장치이다. 상기 용접지그(60)는 바람직하게는 턴테이블 형태 용접지그이어서, 상기 촉매 컨버터(50)가 좌우방향을 축으로 회전된다.The soluble welded catalytic converter 50 is loaded into the welding jig 60. The welding jig is a device in which a welding electrode portion or a torch facilitates access to the welded object, fixes the welded object, and prevents welding deformation of the welded object. The welding jig 60 is preferably a turntable welding jig, so that the catalytic converter 50 is rotated about the lateral direction.

상기 촉매 컨버터용 용접장치(10)에 있어서, 상기 프레임(20)은 용접장치의 각종 부품을 지지, 고정하는 프레임이며, 상기 제1 용접전극부(30)와 상기 제2 용접전극부(40)을 지지, 고정한다.In the catalytic converter welding device 10, the frame 20 is a frame for supporting and fixing various components of the welding device, the first welding electrode portion 30 and the second welding electrode portion 40 Support and fix it.

상기 제1 용접전극부(30)는 일명 토치, 용접건이며, 특히 CO2 자동용접장치용 전극부로써, 하우징, 가스 분사노즐 및 전극 와이어 등으로 이루어진다. 상기 제1 용접전극부(30)는 대체로 좌에서 우 상방향으로 상기 프레임(20)에 설치되며 바람직하게는 상기 용접지그(60)에 의한 촉매 컨버터(50)의 회전에 따라 상기 좌측 용접선(54)이 형성된다. The first welding electrode unit 30 is a so-called torch, welding gun, in particular CO 2 As an electrode unit for automatic welding apparatus, it consists of a housing, a gas injection nozzle, an electrode wire, etc. The first welding electrode part 30 is generally installed on the frame 20 in a left to right direction, and preferably, the left welding line 54 according to the rotation of the catalytic converter 50 by the welding jig 60. ) Is formed.

상기 제2 용접전극부(40)는 일명 토치, 용접건이며, 특히 CO2 자동용접장치용 전극부로써, 하우징, 가스 분사노즐 및 전극 와이어 등으로 이루어진다. 상기 제2 용접전극부(40)는 대체로 우에서 좌 상방향으로 상기 프레임(20)에 설치되며 바람직하게는 상기 용접지그(60)에 의한 촉매 컨버터(50)의 회전에 따라 상기 우측 용접선(55)이 형성된다. 이에 따라 좌측 용접선(54)과 우측 용접선(55)이 동시에 형성되어, 용접시간이 감소된다.The second welding electrode portion 40 is a torch, welding gun, in particular CO 2 As an electrode unit for automatic welding apparatus, it consists of a housing, a gas injection nozzle, an electrode wire, etc. The second welding electrode part 40 is generally installed on the frame 20 in a right-to-left direction, and preferably in accordance with the rotation of the catalytic converter 50 by the welding jig 60, the right welding line 55. ) Is formed. Thereby, the left welding line 54 and the right welding line 55 are formed simultaneously, and welding time is reduced.

상기 제1 용접전극부(30)와 상기 제2 용접전극부(40)는 상하 수직방향의 평면에 위치될 수 있으며, 경우에 따라 상기 평면이 좌우축방향을 중심으로 회전된 평면에 상기 제1 용접전극부(30)와 상기 용접전극부(40)가 위치될 수 있다.The first welding electrode part 30 and the second welding electrode part 40 may be positioned in a vertical plane in a vertical direction, and in some cases, the first welding electrode part 30 and the second welding electrode part 40 may be rotated about a horizontal axis direction. The welding electrode unit 30 and the welding electrode unit 40 may be located.

본 발명의 다른 실시예로 평행형 촉매 컨버터용 용접장치를 설명한다.In another embodiment of the present invention will be described a welding device for a parallel catalytic converter.

다른 실시예에 의한 평행형 촉매 컨버터용 용접장치(10)의 사용시에는 인 플랜지(51)가 좌측 용접선(54) 상에 없고 용접 전극부가 상기 인 플랜지(51)와 간섭될 염려가 없어야 한다. 그리고, 아웃 플랜지(52)가 우측 용접선(55) 상에 없고 용접 전극부가 상기 아웃 플랜지(52)와 간섭될 염려가 없어야 한다. 상이한 부분만을 중심으로 설명한다. 도면으로 도시되지 않았지만 X형 촉매 컨버터용 용접장치(10)의 도면부호를 참조용으로 병기한다. When using the welding apparatus 10 for a parallel catalytic converter according to another embodiment, there should be no in-flange 51 on the left welding line 54 and there is no fear that the welding electrode portion will interfere with the in-flange 51. In addition, there should be no out flange 52 on the right weld line 55 and there is no fear that the welding electrode portion will interfere with the out flange 52. Only the different parts will be described. Although not shown in the drawings, reference numerals of the welding apparatus 10 for the X-type catalytic converter are denoted together for reference.

상기 제1 용접전극부(30)는 일명 토치, 용접건이며, 특히 CO2 자동용접장치용 전극부로써, 하우징, 가스 분사노즐 및 전극 와이어 등으로 이루어진다. 상기 제1 용접전극부(30)는 대체로 좌측에 상기 프레임(20)에 설치되며 바람직하게는 상기 용접지그(60)에 의한 촉매 컨버터(50)의 회전에 따라 상기 좌측 용접선(54)이 형성된다. The first welding electrode unit 30 is a so-called torch, welding gun, in particular CO 2 As an electrode unit for automatic welding apparatus, it consists of a housing, a gas injection nozzle, an electrode wire, etc. The first welding electrode part 30 is generally installed on the frame 20 on the left side, and preferably, the left welding line 54 is formed according to the rotation of the catalytic converter 50 by the welding jig 60. .

상기 제2 용접전극부(40)는 일명 토치, 용접건이며, 특히 CO2 자동용접장치용 전극부로써, 하우징, 가스 분사노즐 및 전극 와이어 등으로 이루어진다. 상기 제2 용접전극부(40)는 상기 제1 용접 전극부(30)와 대체로 평행하며 우측으로 상기 프레임(20)에 설치되며 바람직하게는 상기 용접지그(60)에 의한 촉매 컨버터(50)의 회전에 따라 상기 우측 용접선(55)이 형성된다. 이에 따라 좌측 용접선(54)과 우측 용접선(55)이 동시에 형성되어, 용접시간이 감소된다.The second welding electrode portion 40 is a torch, welding gun, in particular CO 2 As an electrode unit for automatic welding apparatus, it consists of a housing, a gas injection nozzle, an electrode wire, etc. The second welding electrode portion 40 is generally parallel to the first welding electrode portion 30 and is installed on the frame 20 on the right side of the catalytic converter 50 by the welding jig 60. The right welding line 55 is formed according to the rotation. Thereby, the left welding line 54 and the right welding line 55 are formed simultaneously, and welding time is reduced.

상기 제1 용접전극부(30)와 상기 용접전극부(40)는 상하 수직방향의 평면에 위치될 수 있으며, 경우에 따라 상기 평면이 좌우축방향을 중심으로 회전된 평면에 상기 제1 용접전극부(30)와 상기 용접전극부(40)가 위치될 수 있다.The first welding electrode part 30 and the welding electrode part 40 may be positioned in a vertical plane in a vertical direction, and in some cases, the first welding electrode in a plane in which the plane is rotated around a left and right axis direction. The part 30 and the welding electrode part 40 may be located.

본 발명은 제1 용접 전극부와 제2 용접 전극부가 설치된 촉매 컨버터용 용접장치에 의해, 자동차 촉매 컨버터의 양 측면을 동시에 용접하여 용접 설비비가 감소하며 용접 시간이 단축되며 용접 생산성이 향상되며 용접 설치 공간이 감소하는 작용효과가 있다.According to the present invention, a welding device for a catalytic converter provided with a first welding electrode part and a second welding electrode part simultaneously welds both sides of an automotive catalytic converter, thereby reducing welding equipment cost, shortening welding time, improving welding productivity, and installing welding. There is an effect of reducing the space.

또한, 본 발명은 X형 촉매 컨버터용 용접장치에 의해, 좌측 용접선의 용접시 용접전극부와 인 플랜지가 간섭되지 않거나 우측 용접선의 용접시 용접전극부와 아웃 플랜지가 간섭되지 않아, 신속히 용접되는 작용효과가 있다.In addition, the present invention is the welding device for the X-type catalytic converter, the welding electrode and the in-flange does not interfere with the welding electrode when welding the left welding line, the welding electrode and the out flange does not interfere when welding the right welding line, the action of welding quickly It works.

Claims (3)

삭제delete 인, 아웃 플랜지와 캔 파이프(can pipe)를 포함하며 회전 용접지그에 설치된 자동차의 촉매 컨버터를 용접하는 용접장치에 있어서,In the welding device for welding the catalytic converter of the vehicle including the in, out flange and can pipe (can pipe) installed in the rotary welding jig, 프레임;과Frame; and 상기 프레임의 우측 상부에 설치되되, 상기 인 플랜지와 캔 파이프가 접하는 원주면을 따라 용접 가능하도록, 상기 프레임의 우측 상방향에서 좌측 하방향으로 기울어지게 설치되는 제1 용접전극;과A first welding electrode installed on an upper right side of the frame, the first welding electrode being inclined from the upper right side to the lower left side of the frame such that the in flange and the can pipe are welded along the circumferential surface; 상기 프레임의 좌측 상부에 설치되되, 상기 아웃 플랜지와 캔 파이프가 접하는 원주면을 따라 용접 가능하도록, 상기 프레임의 좌측 상방향에서 우측 하방향으로 기울어지게 하여, 상기 제1 용접전극과는 그 방향이 교차되면서 엇갈리게 X형으로 설치되는 제2 용접전극;을 포함하며,It is installed on the upper left side of the frame, so as to be welded along the circumferential surface where the out flange and the can pipe contact, so as to be inclined from the upper left to the lower right of the frame, the direction of the first welding electrode Includes; the second welding electrode which is installed in an alternate X-shape while crossing; 상기 촉매 컨버터는 웜업 촉매 컨버터(wcc)이며, 상기 촉매 컨버터용 용접장치는 CO2 자동용접장치인 것을 특징으로 하는 촉매 컨버터용 용접장치.The catalytic converter is a warm-up catalytic converter (wcc), the welding device for the catalytic converter is a welding device for a catalytic converter, characterized in that the CO 2 automatic welding device. 삭제delete
KR1020060100913A 2006-10-17 2006-10-17 Welding machine for catalytic converter KR100764608B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101168407B1 (en) 2012-02-22 2012-07-25 주식회사 세정 Welding device of muffler and manufacturing method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020095395A (en) * 2001-06-14 2002-12-26 현대자동차주식회사 Jig for welding a side outer panel of car body

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020095395A (en) * 2001-06-14 2002-12-26 현대자동차주식회사 Jig for welding a side outer panel of car body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101168407B1 (en) 2012-02-22 2012-07-25 주식회사 세정 Welding device of muffler and manufacturing method thereof

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