KR20040106957A - Elastic bending system for reducing weld deformation in the fillet joint - Google Patents

Elastic bending system for reducing weld deformation in the fillet joint Download PDF

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Publication number
KR20040106957A
KR20040106957A KR1020030036973A KR20030036973A KR20040106957A KR 20040106957 A KR20040106957 A KR 20040106957A KR 1020030036973 A KR1020030036973 A KR 1020030036973A KR 20030036973 A KR20030036973 A KR 20030036973A KR 20040106957 A KR20040106957 A KR 20040106957A
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South Korea
Prior art keywords
roller conveyor
girder
fillet
welding
fixture
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KR1020030036973A
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Korean (ko)
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KR100746475B1 (en
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라호찬
양문식
조철형
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현대중공업 주식회사
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Priority to KR1020030036973A priority Critical patent/KR100746475B1/en
Publication of KR20040106957A publication Critical patent/KR20040106957A/en
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Publication of KR100746475B1 publication Critical patent/KR100746475B1/en

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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
    • 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

Abstract

PURPOSE: A pre-straining restricting device in fillet-welding is provided to prevent welding failure, and to reduce correction time by restricting angular distortion of a girder or a stringer after fillet-welding and contacting the floor to the fillet joint portion of the girder. CONSTITUTION: A pre-straining restricting device is composed of plural fixing units(1) moved along a guide rail installed in the left and the right of a floor of a roller conveyor for supplying a girder(10) and arranged longitudinally to the roller conveyor; a link bar connecting the fixing units longitudinally in the roller conveyor; a motor(6) connected to the fixing unit to move the fixing unit perpendicularly to the roller conveyor; a semispherical jig(4) placed in the middle of the roller conveyor and arranged longitudinally to the roller conveyor; and a hydraulic cylinder(5) moving up and down the semispherical jig.

Description

필렛 용접 역변형 구속장치{Elastic bending system for reducing weld deformation in the fillet joint}Elastic bending system for reducing weld deformation in the fillet joint

본 발명은 필렛 용접 역변형 구속장치에 관한 것으로, 보다 상세하게는 선박 건조시 소조립 공정에서 거더(GIRDER) 및 스트링거(STRINGER)류 부재의 종통재(LONGITUDINAL) 필렛 용접 후 발생하는 각변형을 방지하는 필렛 용접 역변형 구속장치에 관한 것이다.The present invention relates to a fillet welding reverse deformation restraint device, and more particularly, to prevent angular deformation occurring after welding of LONGITUDINAL fillet of girder and stringer type members in a small assembly process during ship construction. A fillet welded reverse strain restraint device.

종래에는 거더 및 스트링거류의 종통재 용접 시 별도의 구속 등의 용접변형 발생 방지를 위한 아무런 조치가 없어 각변형(ANGULAR DISTORTION)이 발생되고, 이때 발생된 각변형의 영향으로 거더부재 중조 작업 시 플로어(FLOOR) 부재와의 필렛 조인트 부위의 갭(GAP)이 많이 발생되어 레버플러(LEVER PULLER)와 클램프(CLAMP)를 이용하여 인력으로 밀착시켜 취부하게 되며, 이때 레버플러의 고정 훅의 이탈 및 탈거 시 안전사고의 위험이 따르며, 갭의 밀착정도가 불량하면 자동용접 시 용접결함이 발생하는 등의 문제점이 발생되었다.Conventionally, there is no measure to prevent welding deformation such as separate restraint when welding longitudinal members of girders and stringers. Angular displacement occurs.Floor when girder members are forged by the influence of angular deformation. ) There are many gaps in the fillet joints with the members, so they are attached by manpower by using the lever puller and the clamp.At this time, it is safe to detach or remove the fixing hook of the lever plug. There is a risk of an accident, and if the gap is poor, the welding defects occur during automatic welding.

본 발명은 상기와 같은 종래의 문제점을 해결하기 위하여 안출되는 것으로, 그 목적은 거더 및 스트링거류 부재의 종통재 필렛 용접 후에 발생되는 각변형을 방지함으로써 거더 및 스트링거류에 중조를 위해 탑재되는 플로어와 거더의 필렛조인트 부위 갭의 밀착정도를 높여 용접결함 발생률을 낮추고, 변형 교정시간 단축 및 품질을 향상 할 수 있는 필렛 용접 역변형 구속장치를 제공함에 있다.The present invention has been made to solve the above-mentioned conventional problems, the object is to prevent the angular deformation generated after the longitudinal fillet welding of the girders and stringers member floors and girders mounted on the girders and stringers for heavy water It is to provide a fillet welding inverse strain restraint device that can increase the adhesion of the fillet joint part gap of the toner, reduce the occurrence of welding defects, shorten the deformation correction time and improve the quality.

도 1 은 본 발명에 따른 역변형 구속장치가 설치된 거더부재 제작라인의 구성을 나타낸 평면도Figure 1 is a plan view showing the configuration of the girder member manufacturing line is installed inverse strain constraint device

도 2 는 본 발명에 따른 역변형 구속장치의 요부구조를 나타낸 평면도Figure 2 is a plan view showing the main structure of the inverse strain constraint device according to the present invention

도 3 은 본 발명에 따른 역변형 구속장치의 구조를 나타낸 정면도3 is a front view showing the structure of the inverse strain restraint device according to the present invention;

도 4 는 본 발명에 의해 역변형된 거더부재의 상태를 나타낸 사시도Figure 4 is a perspective view showing a state of the inversely deformed girder member according to the present invention

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

(1)(1`) : 고정구 (2) : 가이드레일(1) (1`): Fixture (2): Guide rail

(3) : 링크바 (4)(4`) : 반구형지그(3): link bar (4) (4`): hemispherical jig

(5) : 유압실린더 (6) : 모터(5): Hydraulic cylinder (6): Motor

(7) : 리드스크류 (10)(10`) : 거더부재(7): Lead screw (10) (10`): Girder member

(11) : 종통재 (20) : 롤러콘베이어(11): Longitudinal material (20): Roller conveyor

(21) : 바닥면21: bottom surface

상기한 바와 같은 목적을 달성하고 종래의 결점을 제거하기 위한 과제를 수행하는 본 발명은 거더부재가 공급되는 롤러콘베이어의 바닥면 좌·우측에 설치된 가이드레일을 따라 이동하며 롤러콘베이어의 길이방향을 따라 일정간격으로 설치된 다수의 고정구와, 상기 롤러콘베이어의 길이방향을 따라 동일선상에 위치한 고정구를 상호 연결하는 링크바와, 상기 고정구와 연결되어 롤러콘베이어의 길이방향에 직교하는 방향으로 고정구를 이동시키는 모터와, 상기 롤러콘베이어의 중앙부에 위치하며 롤러콘베이어의 길이방향을 따라 일정간격으로 설치된 반구형지그와, 상기 반구형지그를 상하로 이동시키는 유압실린더로 구성된 것을 특징으로 한다.The present invention to achieve the object as described above and to perform the problem to eliminate the conventional defects is to move along the guide rails installed on the left and right side of the bottom surface of the roller conveyor supplied with the girder member and along the longitudinal direction of the roller conveyor A plurality of fasteners installed at regular intervals, a link bar interconnecting fasteners located on the same line along the longitudinal direction of the roller conveyor, and a motor connected to the fasteners to move the fasteners in a direction orthogonal to the longitudinal direction of the roller conveyor; Located in the center of the roller conveyor is characterized in that consisting of a hemispherical jig installed at a predetermined interval along the longitudinal direction of the roller conveyor, and a hydraulic cylinder for moving the hemispherical jig up and down.

이하, 본 발명의 실시예를 첨부도면과 연계하여 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1 은 본 발명에 따른 역변형 구속장치가 설치된 거더부재 제작라인의 구성을 나타낸 평면도를, 도 2 는 본 발명에 따른 역변형 구속장치의 요부구조를 나타낸 평면도를, 도 3 은 본 발명에 따른 역변형 구속장치의 구조를 나타낸 정면도를 도시한 것으로, 본 실시예에 따른 역변형 구속장치는 모터(6)에 의해 작동하는 고정구(1)를 이용하여 거더부재(10)를 양측에서 고정하는 한편, 거더부재(10)의 중앙부에서 반구형지그(4)가 상승하여 거더부재(10)를 반구형으로 역변형시켜 종통재(11)의 필렛 용접 후 발생되는 각변형을 보상함으로써 중조립 작업시 거더와 플로어의 연결부위의 갭을 감소시키게 된다.1 is a plan view showing the configuration of the girder member manufacturing line is installed in the reverse deformation restraint device according to the invention, Figure 2 is a plan view showing the main structure of the reverse deformation restraint device according to the invention, Figure 3 according to the present invention The front view showing the structure of the inverse strain restraint device is shown. The inverse strain restraint device according to the present embodiment fixes the girder member 10 at both sides by using a fixture 1 operated by the motor 6. , The hemispherical jig 4 rises at the center of the girder member 10 to inversely deform the girder member 10 into a hemispherical shape to compensate for the angular deformation generated after the fillet welding of the longitudinal member 11, thereby girder and floor during heavy assembly work. This reduces the gap between the joints.

상기 고정구(1)는 롤러콘베이어의 바닥면(21)에 설치된 가이드레일(2) 상에 설치되고, 이때 가이드레일(2)은 롤러콘베이어(20)에 직교한 방향, 즉 롤러콘베이어(20) 방향으로 고정구(1)를 안내 할 수 있도록 롤러콘베이어(20)의 좌·우 양측 바닥면(21)에 설치되고, 이와 같은 가이드레일(2)은 롤러콘베이어(20)를 따라 일정간격을 형성하며 다수개가 설치된다.The fixture 1 is installed on the guide rail 2 installed on the bottom surface 21 of the roller conveyor, wherein the guide rail 2 is perpendicular to the roller conveyor 20, that is, the roller conveyor 20 direction It is installed on the bottom left and right sides 21 of the roller conveyor 20 so as to guide the fixture (1) to the guide rail 2, such a guide rail (2) forms a predetermined interval along the roller conveyor (20) The dog is installed.

상기 가이드레일(2) 상에 설치된 고정구(1)는 링크바(3)에 의해 상호 연결되어 구성되고, 이렇게 링크바(3)에 의해 고정구(1)가 상호 연결됨으로서 이동시 다수의 고정구(1)가 함께 움직여 거더부재(10)의 전부분을 균일하게 고정하게 되고, 이로써 거더부재(10)의 고정불량에 따라 발생하게 되는 제품의 용접변형을 방지하게 된다.The fasteners 1 installed on the guide rails 2 are interconnected by the link bar 3, and thus the fasteners 1 are interconnected by the link bar 3, so that a plurality of fasteners 1 are moved when moved. Is moved together to fix the entire portion of the girder member 10 uniformly, thereby preventing the welding deformation of the product caused by the poor fixation of the girder member 10.

한편, 상기 고정구(1)를 이동시키는 모터(6)는 롤러콘베이어(20)의 내부 소정위치에 설치되고, 이 모터(6)는 롤러콘베이어(20)의 좌·우측에 설치된 고정구(1)와 리드스크류(7)에 의해 각각 연결되어 고정구(1)를 가이드레일(2)을 따라 롤러콘베이어(20) 방향으로 이동시키게 된다.On the other hand, the motor (6) for moving the fixture (1) is installed at a predetermined position inside the roller conveyor 20, the motor (6) and the fixture (1) provided on the left and right sides of the roller conveyor (20) The lead screws 7 are connected to each other to move the fixture 1 along the guide rail 2 in the direction of the roller conveyor 20.

상기 반구형지그(4)는 상면이 곡면형상으로 형성되고, 반구형지그(4)의 하부에 위치한 유압실린더(5)에 의해 상승하여 양끝단이 고정구(1)에 의해 고정된 거더부재(10)의 중앙부를 상부로 들어올려 반구형으로 역변형시켜줌과 동시에 역변형에의해 거더부재(10)에 발생될 수 있는 손상을 방지하게 된다.The hemispherical jig 4 has an upper surface formed in a curved shape, and is lifted by a hydraulic cylinder 5 positioned below the hemispherical jig 4 so that both ends of the girder member 10 are fixed by the fixture 1. Lifting the central portion to the top to reverse deformation into a hemispherical shape and at the same time to prevent damage that may occur to the girder member 10 by the reverse deformation.

상술한 바와 같이 구성된 본 발명은 도 3에 도시된 바와 같이 작동하게 되고, 도면상 좌측은 작동전, 우측은 작동후를 나타내고 있으며, 도면부호를 표시함에 있어 작동전 고정구와 반구형지그 및 거더부재는 (1)(4)(10)으로, 작동후 고정구와 반구형지그 및 거더부재는 (1`)(4`)(10`)으로 표시토록 한다.The present invention configured as described above is operated as shown in Fig. 3, the left side before the operation, the right side shows the operation after the operation, in the reference numerals before operation, the fixture and hemispherical jig and girder member (1) (4) (10). After operation, the fixtures, hemispherical jigs and girder members shall be marked with (1`) (4`) (10`).

한편, 거더부재(10)에 종통재(11)가 가접된 작업 대상물이 롤러콘베이어(20)에 의하여 자동용접장으로 이동되면, 모터(6)를 작동하여 리드스크류(7)를 회전시키게 되고, 리드스크류(7)에 연결된 고정구(1)는 리드스크류(7)의 회전에 의해 롤러콘베이어(20)의 중앙방향으로 모여 거더부재(10)를 양측에서 고정하게 되며, 이때 링크바(3)에 의해 다수의 고정구(1)가 상호 연결되어 다수의 고정구(1)가 같은 힘으로 동시에 거더부재(10)를 양측에서 고정하게 된다.On the other hand, when the workpiece to which the longitudinal member 11 is welded to the girder member 10 is moved to the automatic welding by the roller conveyor 20, by operating the motor 6 to rotate the lead screw 7, The fastener 1 connected to the lead screw 7 gathers in the center direction of the roller conveyor 20 by the rotation of the lead screw 7 to fix the girder member 10 at both sides, and at this time, to the link bar 3 A plurality of fasteners 1 are connected to each other by a plurality of fasteners 1 to simultaneously secure the girder member 10 on both sides with the same force.

상기와 같이 고정구(1)에 의해 거더부재(10)의 양끝단부가 고정되면, 유압실린더(5)를 작동하여 반구형지그(4)를 상승시키게 되고, 상승된 반구형지그(4)는 거더부재(10) 중앙부를 필렛 용접에 의해 발생되는 변형을 고려하여 약 30mm정도 상부로 들어올려 도 4와 같이 역변형을 적용시키게 되며, 이후 미도시된 자용용접장치를 이용하여 필렛용접을 시행함으로써 각변형의 발생없이 거더 및 스트링거류의 부재를 제작할 수 있게 되는 것이다.When both ends of the girder member 10 are fixed by the fastener 1 as described above, the hydraulic cylinder 5 is operated to raise the hemispherical jig 4, and the raised hemispherical jig 4 is a girder member ( 10) In consideration of the deformation generated by the fillet welding, lift the upper portion by about 30 mm and apply the reverse deformation as shown in FIG. 4, and then, by performing the fillet welding using the self-welding apparatus, not shown, the occurrence of the angular deformation. Without the girder and stringers can be manufactured.

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

상술한 바와 같이 본 발명은 고정구를 이용하여 거더부재를 양측에서 고정하는 한편, 반구형지그로서 거더부재의 중앙부를 상승시켜 용접변형과는 반대방향인 역변형을 유발시키도록 구성되어 용접후 발생되는 각변형을 방지할 수 있고, 이에 따라 중조 작업시 플로어와 거더부재 사이공간을 밀착시키기 위한 수공구를 사용할 필요가 없어 안전사고를 예방할 수 있는 한편, 작업자의 피로도를 감소시킬 수 있으며, 수공구에 의한 변형 교정에 비해 정밀도를 향상 시킬 수 있는 효과가 있다.As described above, the present invention is configured to fix the girder member on both sides by using a fastener, and to raise the central portion of the girder member as a hemispherical jig to induce a reverse deformation in the opposite direction to the welding deformation. Therefore, there is no need to use a hand tool for closely contacting the space between the floor and the girder member during heavy work, thereby preventing safety accidents and reducing the fatigue of the operator, Compared with this, the accuracy can be improved.

또한, 작업자의 근골격계 질환 예방 및 작업공수 절감에 의한 생산성 및 품질을 향상시킬 수 있는 등의 효과가 있는 것이다.In addition, there is an effect such as to improve the productivity and quality by preventing the musculoskeletal disease of the worker and the reduction of labor.

Claims (1)

거더부재(10)가 공급되는 롤러콘베이어(20)의 바닥면(21) 좌·우측에 설치된 가이드레일(2)을 따라 이동하며 롤러콘베이어(20)의 길이방향을 따라 일정간격으로 설치된 다수의 고정구(1)와,A plurality of fasteners are moved along the guide rails 2 installed on the left and right sides of the bottom surface 21 of the roller conveyor 20 to which the girder member 10 is supplied and installed at regular intervals along the longitudinal direction of the roller conveyor 20. (1) and, 상기 롤러콘베이어(20)의 길이방향을 따라 동일선상에 위치한 고정구(1)를 상호 연결하는 링크바(3)와,Link bar (3) for interconnecting the fixture (1) located on the same line along the longitudinal direction of the roller conveyor (20), 상기 고정구(1)와 연결되어 롤러콘베이어(20)의 길이방향에 직교하는 방향으로 고정구(1)를 이동시키는 모터(6)와,A motor 6 connected to the fixture 1 to move the fixture 1 in a direction orthogonal to the longitudinal direction of the roller conveyor 20; 상기 롤러콘베이어(20)의 중앙부에 위치하며 롤러콘베이어(20)의 길이방향을 따라 일정간격으로 설치된 반구형지그(4)와,Hemispherical jig (4) which is located at the center of the roller conveyor 20 and installed at regular intervals along the longitudinal direction of the roller conveyor (20), 상기 반구형지그(4)를 상하로 이동시키는 유압실린더(5)로 구성된 것을 특징으로 하는 필렛 용접 역변형 구속장치.Fillet welding reverse strain restraint device, characterized in that consisting of a hydraulic cylinder (5) for moving the hemispherical jig (4) up and down.
KR1020030036973A 2003-06-10 2003-06-10 Elastic bending system for reducing weld deformation in the fillet joint KR100746475B1 (en)

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CN103203576A (en) * 2013-03-20 2013-07-17 大连奥托自动化设备有限公司 Sliding mechanism
CN103990926A (en) * 2014-06-10 2014-08-20 中铁宝桥（扬州）有限公司 Predeformation jig frame
CN106141394A (en) * 2016-07-22 2016-11-23 广州益川机械有限公司 A kind of centering positioning mechanism of stamping parts of automobile arc welding fixture
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CN109909665A (en) * 2019-04-10 2019-06-21 湖北欧阳华俊专用汽车有限公司 A kind of semi-trailing car frame assembly jig
CN111545598A (en) * 2020-04-30 2020-08-18 长春三友汽车部件制造有限公司 Welding deformation correction jig for high-strength aluminum alloy anti-collision beam
CN114012294A (en) * 2021-11-23 2022-02-08 福建省闽铝轻量化汽车制造有限公司 Main longitudinal beam downward-pressing type welding device for aluminum alloy semitrailer
CN116214031A (en) * 2022-12-29 2023-06-06 广西天恒汽车部件制造股份有限公司 Welding method for blade type power battery tray cross beam
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