KR100366575B1 - Spot welder having welding tip cover - Google Patents

Spot welder having welding tip cover Download PDF

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Publication number
KR100366575B1
KR100366575B1 KR1020000065232A KR20000065232A KR100366575B1 KR 100366575 B1 KR100366575 B1 KR 100366575B1 KR 1020000065232 A KR1020000065232 A KR 1020000065232A KR 20000065232 A KR20000065232 A KR 20000065232A KR 100366575 B1 KR100366575 B1 KR 100366575B1
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KR
South Korea
Prior art keywords
welding
tip
cover
welding tip
spot welder
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KR1020000065232A
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Korean (ko)
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KR20020034732A (en
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조성은
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현대자동차주식회사
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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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/36—Auxiliary equipment
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

본 발명은 용접팁 커버가 장착된 스폿 용접기에 관한 것으로서, 용접팁의 단부를 감싸고 가압면이 곡면 형상으로 이루어진 동(銅) 재질의 용접팁 커버를 팁홀더 일측에 탈착 가능하도록 장착하여 상기 용접팁 커버가 용접팁과 용접면 사이에서 상기 용접팁과 함께 용접면을 가압할 수 있도록 함으로써, 가압면으로 사용되던 평동판의 필요를 없애 그 변형에 따른 불편함을 없애고, 작업시 편의성을 향상시킬 수 있는 용접팁 커버가 장착된 스폿 용접기를 제공하고자 한 것이다.The present invention relates to a spot welder equipped with a welding tip cover, the welding tip cover of the end of the welding tip and the pressing surface is made of a curved surface made of copper material so as to be detachably mounted on one side of the tip holder, the welding tip By allowing the cover to pressurize the welding surface together with the welding tip between the welding tip and the welding surface, eliminating the need for the flat copper plate used as the pressing surface, eliminating the inconvenience caused by the deformation, and improving the convenience at work To provide a spot welder equipped with a welding tip cover.

Description

용접팁 커버가 장착된 스폿 용접기{Spot welder having welding tip cover}Spot welder having welding tip cover

본 발명은 용접팁 커버가 장착된 스폿 용접기에 관한 것으로서, 더욱 상세하게는 용접팁의 단부를 감싸고 가압면이 곡면 형상으로 이루어진 동 재질의 용접팁 커버를 팁홀더 일측에 탈착 가능하도록 장착함으로써, 상기 용접팁 커버가 용접팁과 용접면 사이에서 상기 용접팁과 함께 용접면을 가압할 수 있도록 한 용접팁 커버가 장착된 스폿 용접기에 관한 것이다.The present invention relates to a spot welder equipped with a welding tip cover, and more particularly, by attaching a welding tip cover of the same material made of a curved shape around the end of the welding tip and having a curved surface to be detachably mounted on one side of the tip holder. A spot welder equipped with a weld tip cover for allowing a weld tip cover to press a weld surface together with the weld tip between the weld tip and the weld face.

일반적으로 스폿 용접기는 용접시 필요한 전기적 에너지를 전자적으로 또는 정전기적으로 저장하고 있다가 급격히 이를 방출함으로써 국소부를 접합시키는 용접기이다.In general, a spot welder is a welding machine that stores the electrical energy required for welding electronically or electrostatically and then rapidly radiates it to join the local parts.

상기의 스폿 용접기로써 실시되는 스폿 용접은 겹쳐진 용접패널을 양측에서 전극을 갖는 봉상의 용접팁으로 물리도록 하여 통전과 가압을 동시에 실시하고, 용접패널의 접촉면에 용융 응고된 부분 즉, 너깃(nugget)을 만들어 접합하는 용접법이다.The spot welding performed by the spot welding machine performs energization and pressurization at the same time by biting the overlapping welding panels with a rod-shaped welding tip having electrodes on both sides, and a part that is melt solidified on the contact surface of the welding panel, that is, a nugget. It is a welding method of making and joining.

첨부한 도 2는 종래의 스폿 용접기에서 용접팁과 팁홀더를 나타내는 정면도이다.2 is a front view illustrating a welding tip and a tip holder in a conventional spot welder.

이에 도시한 바와 같이, 스폿 용접기는 팁홀더(10)에 용접팁(20)이 장착되어 상기 용접팁(20)에서 통전과 가압이 이루어지도록 되어 있다.As shown in the drawing, the spot welder is equipped with a welding tip 20 in the tip holder 10 so as to conduct electricity and pressurize the welding tip 20.

이때, 차체의 패널용접에서 스킨패널과 같이 용접부의 표면변형에 주의가 필요한 용접의 경우, 가압에 의한 패널(40)의 표면변형을 최소화하고 가압시 힘을 분산시키기 위해 상기 용접팁(20)과 용접패널(30, 40) 사이에는 전도성이 좋은 동판(50)을 설치하게 되는데, 상기 동판(50)을 통해 겹쳐진 용접패널(30, 40) 사이의 면(face) 용접을 실시하게 된다.At this time, in the case of welding that requires attention to the surface deformation of the welded portion, such as the skin panel in the panel welding of the vehicle body, to minimize the surface deformation of the panel 40 by pressing and to distribute the force during pressing and the welding tip 20 A copper plate 50 having good conductivity is installed between the welding panels 30 and 40, and face welding between the welding panels 30 and 40 overlapping through the copper plate 50 is performed.

그러나, 상기와 같은 용접방법은 용접하고자 하는 용접패널(40)의 표면이 곡면인 경우, 평동판(50)을 상기 곡면 상에 대고 용접팁(20)으로 가압하게 되므로 상기 동판(50)이 변형되기 쉽고, 한 작업자가 상기 동판(50)을 고정하고 다른 작업자가 용접기를 작동시켜야 하는 등 작업의 불편함과 인력낭비가 생기는 문제점이 있었다.However, in the welding method as described above, when the surface of the welding panel 40 to be welded is curved, the copper plate 50 is deformed because the flat copper plate 50 is pressed against the curved surface with the welding tip 20. There is a problem in that it is easy to work, one worker to fix the copper plate 50 and the other worker to operate the welding machine, such as inconvenience of work and waste of manpower.

본 발명은 상기와 같은 문제점을 감안하여 안출한 것으로서, 용접팁의 단부를 감싸고 가압면이 곡면 형상으로 이루어진 동 재질의 용접팁 커버를 팁홀더 일측에 탈착 가능하도록 장착함으로써, 상기 용접팁 커버가 용접팁과 용접면 사이에서 상기 용접팁과 함께 용접면을 가압할 수 있도록 한 용접팁 커버가 장착된 스폿 용접기를 제공하는데 그 목적이 있다.The present invention has been made in view of the above problems, by mounting a welding tip cover of the same material made of a curved surface surrounding the end of the welding tip and the pressing surface is detachable to one side of the tip holder, the welding tip cover is welded It is an object of the present invention to provide a spot welder equipped with a welding tip cover for pressing the welding surface together with the welding tip between the tip and the welding surface.

도 1은 본 발명에 따른 용접팁 커버가 장착된 스폿 용접기의 부분절개도1 is a partial cutaway view of a spot welder equipped with a welding tip cover according to the present invention

도 2는 종래의 스폿 용접기에서 용접팁과 팁홀더를 나타내는 정면도2 is a front view showing a welding tip and a tip holder in a conventional spot welder

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 팁홀더 20 : 용접팁10: tip holder 20: welding tip

30, 40 : 용접패널 50 : 동(銅)판30, 40: welding panel 50: copper plate

60 : 용접팁 커버 62 : 커버부60: welding tip cover 62: cover part

64 : 커버 지지부재 66 : 고정용 클립부64 cover support member 66 fixing clip

이하, 첨부도면을 참조하여 본 발명을 설명하면 다음과 같다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

본 발명에 따른 용접팁 커버가 장착된 스폿 용접기는 용접팁(20)의 하단부를 감싸는 곡면형태로서 곡면부 내측에서 용접팁(20) 하단과 접촉 통전되는 가압면인 커버부(62)와, 용접팁(20) 상측의 팁홀더(10)에서 탈착 가능하도록 구비되는 고정용 클립부(66)와 일체로 구성되고 상기 용접팁(20) 하단으로 이어져 상기 커버부(62) 일측을 고정 지지하는 커버 지지부재(64)로 구성된 용접팁 커버(60)가 장착된 것을 특징으로 한다.Spot welder equipped with a welding tip cover according to the present invention is a curved surface surrounding the lower end of the welding tip 20, the cover portion 62 which is a pressing surface which is energized in contact with the lower end of the welding tip 20 in the curved portion, the welding A cover which is integrally formed with a fixing clip part 66 provided to be detachable from the tip holder 10 above the tip 20 and continues to the lower end of the welding tip 20 to cover and support one side of the cover part 62. It is characterized in that the welding tip cover 60 composed of the support member 64 is mounted.

특히, 상기 커버부(62)는 전도성이 좋은 동 재질로 제작된 것을 특징으로 한다.In particular, the cover portion 62 is characterized in that it is made of a good copper material.

이하, 첨부도면을 참조하여 본 발명을 좀 더 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

첨부한 도 1은 본 발명에 따른 용접팁 커버가 장착된 스폿 용접기의 부분절개도이다.1 is a partial cutaway view of a spot welder equipped with a welding tip cover according to the present invention.

이다.to be.

본 발명에 따른 용접기는 차체의 외관 부위인 스킨패널 등 곡면의 용접패널을 용접하는데 보다 유리한 용접기로서, 용접패널에 동판을 대고 가압하여 통전시킴으로써 실시하게 되는 종래의 면 용접(face welding) 방식을 개선하기 위한 것이다.The welding machine according to the present invention is a more advantageous welding machine for welding a curved welding panel such as a skin panel, which is an external part of the vehicle body, and improves the conventional face welding method performed by energizing a copper plate against the welding panel. It is to.

이에 도시한 바와 같이, 본 발명에 따른 용접기는 용접팁(20)이 장착되는 팁홀더(10) 상측 즉, 용접팁(20) 상측의 팁홀더(10)에 용접팁 커버(60)를 장착하되, 팁홀더(10)와의 결합부를 고정용 클립부(66)로 구성하여 탈착이 가능하도록 한다.As shown in the drawing, the welding machine according to the present invention mounts the welding tip cover 60 on the tip holder 10 on which the welding tip 20 is mounted, that is, on the tip holder 10 above the welding tip 20. , Combination of the tip holder 10 with the fixing clip portion 66 to be detachable.

본 발명의 용접기에서 추가로 장착되는 용접팁 커버(60)를 탈착 가능한 구조로 구성한 것은 상기 용접팁 커버(60)가 과열될 경우 냉각을 위해 탈거시키기 위한 것이며, 이로써 용접팁 커버(60)의 변형도 막을 수 있게 된다.The construction of the detachable structure of the weld tip cover 60 additionally mounted in the welder of the present invention is for removing the weld tip cover 60 for cooling when the weld tip cover 60 is overheated, thereby deforming the weld tip cover 60. You can also stop.

상기 고정용 클립부(66)에서 상기 용접팁(20) 하단까지 이어지는 동 재질의 커버 지지부재(64)는 상기 용접팁(20)의 하단부를 감싸는 곡면의 가압면인 커버부(62)와 연결되어 이를 지지하게 된다.The cover support member 64 of the same material extending from the fixing clip portion 66 to the lower end of the welding tip 20 is connected to the cover portion 62 which is a pressing surface of a curved surface surrounding the lower end of the welding tip 20. To support it.

상기와 같이 커버부(62)는 그 일측에서 상기 커버 지지부재(64)에 고정 지지되고, 전도성이 좋은 동을 재질로 하되 평면이 아닌 곡면 형상으로 제작하여 내측에서 용접팁(20) 하단과 접촉, 통전되도록 되어 있다As described above, the cover part 62 is fixedly supported by the cover support member 64 at one side thereof, and made of copper having good conductivity, but manufactured in a curved shape rather than a plane to contact the lower end of the welding tip 20 from the inside. Be energized

또한, 상기 커버부(62)는 상기 용접팁(20) 하단을 감쌀 수 있도록 용접팁(20)의 직경보다는 큰 형상으로 되어 있다.In addition, the cover part 62 has a shape larger than the diameter of the welding tip 20 so as to surround the lower end of the welding tip 20.

상기 커버부(62)가 평면이 아닌 곡면으로 제작된 것은 가압시 용접패널(40)과 국소부 접촉을 하도록 하여 곡면의 패널부재(40)를 용접할시에도 가압에 의한 커버부(62)의 변형을 막기 위한 것이다.The cover part 62 is manufactured in a non-planar curved surface so that the cover part 62 is in contact with the welding panel 40 at the time of pressing so that the cover part 62 may be pressed even when welding the curved panel member 40. It is to prevent deformation.

이상에서 상술한 바와 같이, 본 발명에 따른 용접팁 커버가 장착된 스폿 용접기에 의하면 용접팁의 단부를 감싸고 가압면이 곡면 형상으로 이루어진 동 재질의 용접팁 커버를 팁홀더 일측에 탈착 가능하도록 장착하여 상기 용접팁 커버가 용접팁과 용접면 사이에서 상기 용접팁과 함께 용접면을 가압할 수 있도록 함으로써, 가압면으로 사용되던 평동판의 필요를 없애 그 변형에 따른 불편함을 없애고, 작업시 편의성을 향상시킬 수 있는 효과가 있다.As described above, according to the spot welding machine equipped with a welding tip cover according to the present invention, the welding tip cover of the same material having a curved surface is formed to surround the end of the welding tip and is detachably mounted on one side of the tip holder. By allowing the welding tip cover to pressurize the welding surface together with the welding tip between the welding tip and the welding surface, eliminating the need for the flat copper plate used as the pressing surface, eliminating the inconvenience caused by the deformation, and ease of operation There is an effect that can be improved.

Claims (2)

용접팁(20)의 하단부를 감싸는 곡면형태로서 곡면부 내측에서 용접팁(20) 하단과 접촉 통전되는 가압면인 커버부(62)와, 용접팁(20) 상측의 팁홀더(10)에서 탈착 가능하도록 구비되는 고정용 클립부(66)와 일체로 구성되고 상기 용접팁(20) 하단으로 이어져 상기 커버부(62) 일측을 고정 지지하는 커버 지지부재(64)로 구성된 용접팁 커버(60)가 장착된 것을 특징으로 하는 용접팁 커버가 장착된 스폿 용접기.The cover part 62 which is a curved shape surrounding the lower end of the welding tip 20 and is a pressurized surface which is in contact with the lower end of the welding tip 20 inside the curved part and detached from the tip holder 10 above the welding tip 20. The welding tip cover 60 is formed integrally with the fixing clip portion 66 provided to enable the cover tip member 60 to extend to the lower end of the welding tip 20 and to support and fix one side of the cover portion 62. Spot welder equipped with a welding tip cover, characterized in that the mounting. 제 1 항에 있어서, 상기 커버부(62)는 전도성이 좋은 동 재질로 제작된 것을 특징으로 하는 용접팁 커버가 장착된 스폿 용접기.The spot welder according to claim 1, wherein the cover part (62) is made of a copper material having good conductivity.
KR1020000065232A 2000-11-03 2000-11-03 Spot welder having welding tip cover KR100366575B1 (en)

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Application Number Priority Date Filing Date Title
KR1020000065232A KR100366575B1 (en) 2000-11-03 2000-11-03 Spot welder having welding tip cover

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KR20020034732A KR20020034732A (en) 2002-05-09
KR100366575B1 true KR100366575B1 (en) 2002-12-31

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03116277A (en) * 1989-05-12 1991-05-17 Genrad Inc Simulation system and method of the same
JPH04118278U (en) * 1991-04-03 1992-10-22 大和工業株式会社 electric resistance welding machine
JPH08257754A (en) * 1995-03-27 1996-10-08 Nippon Steel Corp Submerged arc welding power supply method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03116277A (en) * 1989-05-12 1991-05-17 Genrad Inc Simulation system and method of the same
JPH04118278U (en) * 1991-04-03 1992-10-22 大和工業株式会社 electric resistance welding machine
JPH08257754A (en) * 1995-03-27 1996-10-08 Nippon Steel Corp Submerged arc welding power supply method

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