KR20120079627A - Remote jig for laser welding - Google Patents

Remote jig for laser welding Download PDF

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Publication number
KR20120079627A
KR20120079627A KR1020110000910A KR20110000910A KR20120079627A KR 20120079627 A KR20120079627 A KR 20120079627A KR 1020110000910 A KR1020110000910 A KR 1020110000910A KR 20110000910 A KR20110000910 A KR 20110000910A KR 20120079627 A KR20120079627 A KR 20120079627A
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South Korea
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jig
welding
laser welding
remote
laser
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KR1020110000910A
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Korean (ko)
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KR101260417B1 (en
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김문기
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주식회사 세원정공
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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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • 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
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

PURPOSE: A remote jig for laser welding is provided to welding quality by forming a uniform and accurate gap between two U-shaped materials. CONSTITUTION: A remote jig for laser welding is composed of an inner jig(1) and an outer jig(2). The inner and outer jigs hold inner and outer materials(50,51), respectively. A protruded part(10) is formed on the top end of the inner jig depending on the shape of the inner material. A gap having a 0.1-0.2mm thickness is formed between the inner and outer materials. A laser beam is emitted to a laser beam irradiation space(20) of the outer jig.

Description

레이저 용접용 리모우트 지그{Remote jig for laser welding}Remote jig for laser welding

본 발명은 레이저 용접용 리모우트 지그에 관한 것으로서, 더욱 상세하게는 아연도금 강판 재질로 두 장의 소재를 레이저 용접하기 내 외측 지그를 구성시 용접지점의 소재 사이에 0.1㎜ ~ 0.2㎜ 정도의 갭(GAP)을 형성하도록 구성된 리모우트 레이저용접용 지그에 관한 것이다.The present invention relates to a remote jig for laser welding, and more particularly, a gap of about 0.1 mm to 0.2 mm between materials of a welding point when constructing an outer jig in laser welding two sheets of galvanized steel sheets. A remote laser welding jig configured to form a GAP).

주지하는 바와 같이 레이저 용접은 고에너지의 레이저빔을 용접하려는 지점에 조사하여 용접지점을 순간적으로 용융하고, 레이저 빔이 지나간 후에 용접지점 주위에서 열을 빼앗아 용접지점을 응고시킴으로써, 두 장의 소재를 용접하는 것을 말하는 것이다.As is well known, laser welding welds two pieces of material by irradiating the spot where the high energy laser beam is to be welded to melt the welding spot instantaneously, and then taking heat around the welding spot and solidifying the welding spot after the laser beam has passed. I'm talking about doing.

상기와 같은 레이저 용접에서 아연도금 강판을 레이저 용접 시 좋은 조건을 제공하려면, 두 장의 아연도금 강판에 용접지점이 0.1mm ~ 0.2mm 정도의 갭을 갖도록 해야 한다.In order to provide a good condition for laser welding the galvanized steel sheet in the laser welding as described above, it is necessary to make the welding point on the two galvanized steel sheet has a gap of about 0.1mm ~ 0.2mm.

그 이유는 레이저 용접으로 두 장의 아연도금 강판 소재를 용접하는 경우에 조사되는 레이저 빔에 의해 아연도금 강판의 용접지점이 용융될 때 아연증기가 발생 되는데, 이러한 아연증기는 용접지점에서 신속하게 배출되지 않으면 아연도금 강판이 용접되지 않거나 용접에 결함이 많이 남게 되는 문제점이 되기 때문에 아연증기 배출이 잘되는 조건이 필요하다.The reason is that when welding two sheets of galvanized steel sheet by laser welding, zinc vapor is generated when the welding spot of the galvanized steel sheet is melted by the laser beam irradiated. This zinc vapor is not discharged quickly from the welding spot. Otherwise, the galvanized steel sheet is not welded or defects remain in the welding, so a condition for good zinc vapor discharge is required.

따라서, 종래에는 한쪽 아연도금 강판 소재의 용접지점을 돌출시켜 상대 소재에 돌출된 용접지점이 밀착되게 하여 지그의 클램프로 고정하고 용접지점에 레이저 빔을 조사하여 용접을 하였다.Therefore, in the related art, a welding point of one galvanized steel sheet material is protruded so that the welding point protruding from the mating material is brought into close contact with each other and then fixed with a clamp of a jig, and the welding point is irradiated with a laser beam.

그러나, 특수한 형태의 자동차 부품, 즉 크고 작은 U자형 소재가 상호 결합되어진 상태에서 소정의 위치에 용접을 할 때에는 크고 작은 U자형 소재 상호 간에 용접지점이 0.1mm ~ 0.2mm 정도의 갭을 갖도록 해야하는데 적합한 지그가 제공되지 않아 레이저 용접시 많은 불편과 용접상태가 양호하지 못할 뿐만 아니라 생산성도 크게 떨어지는 등 많은 문제가 있다.However, when welding a certain position in a state where special parts of automobile parts, that is, large and small U-shaped materials are joined to each other, the welding points must have a gap of about 0.1 mm to 0.2 mm between the large and small U-shaped materials. Since there is no suitable jig is provided, there are many problems such as a lot of inconveniences and poor welding conditions as well as a significant drop in productivity when laser welding.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 자동차의 부품에서 U자형 소재 두 장을 겹쳐서 지그로 클램핑하면 용접지점이 0.1mm ~ 0.2mm 정도의 갭을 갖도록 하여 레이저 용접 시 용접부위에서 발생하는 아연 증기의 배출이 용이하도록 구성된 레이저 용접용 리모우트 지그를 제공하는데 소기의 목적하는 바가 있다.The present invention is to solve the above problems, when the two parts of the car U-shaped material overlapping the clamping jig so that the welding point has a gap of about 0.1mm ~ 0.2mm zinc generated in the welding site during laser welding It is an object of the present invention to provide a remote jig for laser welding configured to facilitate the discharge of steam.

상기 목적을 달성하기 위한 본 발명의 레이저 용접용 리모우트 지그는, 내측 지그와 외측 지그로 구성되어 U자형 소재 두 장을 내 외측 지그에 넣고 클램핑하면 소재 상호 간에 용접이 이루어지는 용접지점에서 0.1mm ~ 0.2mm 정도의 갭을 갖도록 구성된 것이 본 발명에 특징이다.The laser welding remote jig of the present invention for achieving the above object is composed of an inner jig and an outer jig, and when two pieces of U-shaped material are inserted into the inner jig and clamped, the welding point is welded to each other by 0.1 mm ~. It is a feature of the present invention that it is configured to have a gap of about 0.2 mm.

본 발명에 의한 레이저 용접용 리모우트 지그는 구조적으로 매우 간단하기 때문에 지그를 제작하는데 어려움이 없을 뿐만 아니라 저렴하게 지그를 제공하는 효과가 있으며,The remote welding jig for laser welding according to the present invention is not only difficult to manufacture a jig because it is very simple in structure, and has an effect of providing a jig at a low cost.

특히, U자형 소재 두 장을 지그에 의해서 클램핑하면 자연스럽게 용접지점이 0.1mm ~ 0.2mm 정도 발생하여 항상 균일하고 정확한 간격을 형성할 수 있기 때문에 용접제품의 품질을 향상시키는 효과가 기대되는 발명이다.In particular, when two sheets of U-shaped material are clamped by a jig, the welding spot naturally occurs about 0.1 mm to 0.2 mm, thereby forming a uniform and accurate gap at all times.

도 1은 본 발명에 의한 리모우트 레이저용접 지그의 사용상태를 보인 사시도
도 2는 본 발명에 의한 리모우트 레이저용접 지그의 사용상태를 보인 단면도
도 3은 본 발명에 의한 리모우트 레이저용접 지그의 사용상태를 확대한 단면도
도 4는 본 발명의 다른 리모우트 레이저용접 지그의 사용상태를 보인 단면도1 is a perspective view showing a state of use of the remote laser welding jig according to the present invention
2 is a cross-sectional view showing a state of use of the remote laser welding jig according to the present invention.
Figure 3 is an enlarged cross-sectional view of the use state of the remote laser welding jig according to the present invention.
Figure 4 is a cross-sectional view showing a state of use of another remote laser welding jig of the present invention.

이하, 본 발명에 의한 레이저 용접용 리모우트 지그에 관한 구체적인 실시 예를 첨부된 도면과 관련하여 상세히 설명하면 다음과 같다.Hereinafter, a detailed embodiment of a remote welding jig for laser welding according to the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 의한 레이저 용접용 리모우트 지그는, 상호 용접을 위한 두 장의 소재들 중에 내측에 위치하는 소재를 잡아주기 위한 내측 지그(1)와, 외측에 위치하는 소재를 잡아주기 위한 외측 지그(2)로 구성되며, The remote welding jig for laser welding according to the present invention includes an inner jig 1 for holding a material positioned inside and two outer jigs 2 for holding a material positioned outside. )

상기 내측 지그(1)는 내측 소재의 형상에 따라 상단에 소재 두께를 제외하고 0.1mm ~ 0.2mm 정도 크게 돌출부(10)가 형성되게 한다.The inner jig 1 allows the protrusion 10 to be formed to have a size of about 0.1 mm to about 0.2 mm, except for the thickness of the material, depending on the shape of the inner material.

또 다른 구성으로 내측 소재의 형상에 요홈부(40)가 있는 경우에는 포지션 핀(30)을 개입시켜 내측 소재와 외측 소재 사이에 0.1mm ~ 0.2mm 정도 갭이 생기도록 내측 지그(1)가 구성되고, 외측 지그(2)는 레이저 빔이 조사할 수 있도록 레이저 빔 조사공간(20)이 구성되어 있다.In another configuration, when the groove 40 is formed in the shape of the inner material, the inner jig 1 is configured to have a gap of about 0.1 mm to 0.2 mm between the inner material and the outer material through the position pin 30. The outer jig 2 is configured with a laser beam irradiation space 20 so that the laser beam can be irradiated.

도면의 미설명부호 50은 내측 소재, 51은 외측 소재를 의미하는 것이다.In the drawings, reference numeral 50 denotes an inner material, and 51 denotes an outer material.

이상과 같이 구성된 본 발명에 의한 레이저 용접용 리모우트 지그에 관한 작용을 상세하게 설명하면 다음과 같다.Referring to the operation of the remote jig for laser welding according to the present invention configured as described above in detail as follows.

먼저, 외측 지그(2)의 내부에 외측 소재(51)를 넣고, 내측 지그(1)에 내측 소재(50)를 끼운다.First, the outer raw material 51 is put inside the outer jig 2, and the inner raw material 50 is sandwiched in the inner jig 1.

그리고, 외측 지그 내부에 외측 지그(1)를 상호 결합하면, 내측 지그(1)에 결합된 내측 소재(50)와 외측 지그(2)에 결합된 외측 소재(51)가 돌출부(10)에 의해서 0.1mm ~ 0.2mm 정도 틈새가 형성된다.When the outer jig 1 is coupled to the inside of the outer jig, the inner material 50 coupled to the inner jig 1 and the outer material 51 coupled to the outer jig 2 are projected by the protrusions 10. A gap of about 0.1 mm to 0.2 mm is formed.

본 발명의 또 다른 구성, 즉 내측 소재의 형상에 요홈부(40)가 있는 경우에도 외측 지그(2)의 내부에 외측 소재(51)를 넣고, 내측 지그(1)에 내측 소재(50)를 끼운다.In another configuration of the present invention, that is, even when the groove 40 is in the shape of the inner material, the outer material 51 is placed inside the outer jig 2, and the inner material 50 is placed on the inner jig 1. Insert.

그리고, 내측 소재(50)와 외측 소재(51) 사이에 0.1mm ~ 0.2mm 정도 갭이 생기도록 내측 소재에 형성된 요홈부(40)에 포지션 핀(30)을 개입시켜 준다.Then, the position pin 30 is caused to intervene in the recess 40 formed in the inner material such that a gap of about 0.1 mm to 0.2 mm is formed between the inner material 50 and the outer material 51.

상기와 같은 상태에서 일반적인 레이저 용접과 동일하게 레이저 빔 조사공간(20)으로 조사하여 용접지점을 순간적으로 용융하고, 레이저 빔이 지나간 후에 용접지점 주위에서 열을 빼앗아 용접지점을 응고시킴으로써, 두 장의 소재가 용접되는 것이다.In the above state, the welding spot is instantaneously melted by irradiating into the laser beam irradiation space 20 in the same manner as general laser welding, and after the laser beam passes, the heat is taken around the welding spot to solidify the welding spot. Is to be welded.

상기와 같은 레이저 용접에서 두 장의 아연도금 강판에 용접지점이 0.1mm ~ 0.2mm 정도의 갭을 갖도록 하였기 때문에 아연도금 강판을 레이저 용접 시 발생하는 아연 증기가 배출되어 용접상태가 양호하게 되는 것이다.In the laser welding as described above, since the welding point has a gap of about 0.1 mm to 0.2 mm in the two galvanized steel sheets, the zinc vapor generated during laser welding of the galvanized steel sheet is discharged, and the welding state is good.

1: 내측 지그 2: 외측 지그
10: 돌출부 20: 레이저 빔 조사공간
30: 포지션 핀 40: 요홈부1: inner jig 2: outer jig
10: protrusion 20: laser beam irradiation space
30: position pin 40: groove

Claims (1)

용접을 위한 두 장의 소재들 중에 내측에 위치하는 소재를 잡아주기 위한 내측 지그(1)와, 외측에 위치하는 소재를 잡아주기 위한 외측 지그(2)로 구성되되,
상기 내측 지그(1)는 내측 소재의 형상에 따라 상단에 소재 두께를 제외하고 0.1mm ~ 0.2mm 크게 돌출부(10)가 형성되게 하거나, 또는 내측 소재의 형상에 요홈부(40)가 있는 경우에는 포지션 핀(30)을 개입시켜 내측 소재와 외측 소재 사이에 0.1mm ~ 0.2mm 정도 갭이 생기도록 내측 지그(1)가 구성되며,
상기 외측 지그(2)는 레이저 빔이 조사할 수 있도록 레이저 빔 조사공간(20)이 구성된 것을 특징으로 하는 레이저 용접용 리모우트 지그.It consists of an inner jig (1) for holding the material located on the inside of the two sheets of welding material, and an outer jig (2) for holding the material located on the outside,
When the inner jig 1 has a protrusion 10 formed on the top of the inner material except for the thickness of the material 0.1mm to 0.2mm, or the groove 40 is formed on the inner material. The inner jig 1 is configured to have a gap of about 0.1 mm to 0.2 mm between the inner material and the outer material through the position pin 30,
The outer jig (2) is a remote jig for laser welding, characterized in that the laser beam irradiation space 20 is configured to irradiate the laser beam.
KR1020110000910A 2011-01-05 2011-01-05 Remote jig for laser welding KR101260417B1 (en)

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KR101260417B1 KR101260417B1 (en) 2013-05-07

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