KR960002989Y1 - Mig welding machine - Google Patents

Mig welding machine Download PDF

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Publication number
KR960002989Y1
KR960002989Y1 KR2019940005393U KR19940005393U KR960002989Y1 KR 960002989 Y1 KR960002989 Y1 KR 960002989Y1 KR 2019940005393 U KR2019940005393 U KR 2019940005393U KR 19940005393 U KR19940005393 U KR 19940005393U KR 960002989 Y1 KR960002989 Y1 KR 960002989Y1
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South Korea
Prior art keywords
winding portion
reactor
primary winding
shaped
core
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KR2019940005393U
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Korean (ko)
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KR950026897U (en
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문제현
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문제현
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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
    • B23K9/00—Arc welding or cutting
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • B23K9/1006—Power supply
    • 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
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H01F38/085—Welding transformers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

내용 없음.No content.

Description

직류 미그(MIG; Multiple Inert Gas) 용접기Multiple Inert Gas (MIG) Welding Machine

제1도는 본 고안의 전기 회로도.1 is an electrical circuit diagram of the present invention.

제2a도는 본 고안 변압기의 사시도.Figure 2a is a perspective view of the present invention transformer.

b도는 본 고안의 리액터의 사시도.b is a perspective view of a reactor of the present invention.

제3a도는 본 고안 변압기의 분리 사시도.Figure 3a is an exploded perspective view of the present invention transformer.

b도는 본 고안의 리액터의 분리 사시도.b is an exploded perspective view of the reactor of the present invention.

제4도는 종래 변압기의 사시도이다.4 is a perspective view of a conventional transformer.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 전원 2 : 변압기1: power 2: transformer

3 : 1차 권선부 4 : 2차 권선부3: primary winding unit 4: secondary winding unit

5 : 정류기 6 : 제어기5: rectifier 6: controller

7 : 리액터 8 : 리액터 권선부7: reactor 8: reactor winding

9 : 아아크 발생부 10 : E형 코아9: Arc generation part 10: E type core

11 : T형 코아 12 : L형 코아11: T type core 12: L type core

13 : 절연편 20 : 권선부 고정봉13: insulation piece 20: winding part fixing rod

21 : 체결너트 22 : 형강21: tightening nut 22: section steel

본 고안은 직류 미그(MIG; Multiple Inert Gas) 용접기에 관한 것으로서, 특히 용접기를 구성하는 변압기와 리액터에서의 권선부가 스프링 형상의 일체식 권선부로 구성된 직류 미그(MIG) 용접기에 관한 것이다.The present invention relates to a multiple inert gas (MIG) welder, and more particularly, to a direct current MIG (MIG) welder in which a winding portion in a transformer and a reactor constituting the welder is composed of a spring-shaped integral winding portion.

일반적으로 직류 미그 용접기는 3상 교류전원을 공급하는 전원부와, 전압을 낮추고 전류를 증대시키기 위해, 1차 권선부와 2차 권선부로 구성된 변압기와, 교류전류를 직류로 정류하고, 그 직류전류의 크기를 조정하는 싸이리스터(Thyrister)식 정류기 및 제어기와, 전류 및 전압을 더욱 안정화시키기 위한 리액터와, 최종적으로 공급된 전류에 의해 용접이 이루어지는 아아크 발생부로 구성된다.In general, the DC MIG welding machine rectifies the AC current with a power supply unit for supplying a three-phase AC power source, a transformer composed of a primary winding part and a secondary winding part to lower the voltage and increase the current. A thyrister rectifier and a controller for adjusting the size, a reactor for further stabilizing the current and the voltage, and an arc generator in which welding is performed by the finally supplied current.

그런데, 아아크 발생부에 유입되는 전류는 약 200~600A인 고 전류로서, 이러한 고 전류가 변압기와 리액터에 흐를때 내부권선이 발열되기 쉽고, 발열에 의한 저항증가는 용접전압 및 전류를 감소시키고 불균일하게 한다. 따라서 장시간 연속 용접작업시 스패터(spatter)가 많이 발생하거나 용접부위에 기공이 함입되는 등 제반용접결함이 생기게 되는 것이다. 그러므로 지속적으로 양호한 용접상태를 유지하기 위해서는 변압기와 리액터의 내부권선의 구조가 비교적 발열이 적고, 통풍이 잘되는 구조라야 한다.By the way, the current flowing into the arc generating unit is a high current of about 200 ~ 600A, when the high current flows through the transformer and the reactor, the internal winding is likely to generate heat, and the increase in resistance caused by the heat decreases the welding voltage and current and is uneven. Let's do it. Therefore, when welding continuously for a long time, a lot of spatter is generated, or welding defects are generated, such as pores being inserted into the welding part. Therefore, in order to maintain a good welding condition continuously, the structure of the inner windings of the transformer and the reactor should be relatively low in heat generation and well ventilated.

그럼에도 불구하고, 종래의 직류 미그 용적기의 변압기에서는, 제4도에 도시된 바와 같이, 절연피복한 평각동선을 두루말이형으로 적층 권취하여 형성한, 각각의 권선부(3, 4)가 변압기 코아의 외주상에서 순서대로 하나씩 적층된 구조로서, 열 발산이 매우 어렵고, 특히 고 전류가 흐르는 2차 권선부(4)에서는 고열이 발생하므로 장기간 연속 용접시나 고 전류 용접시에 상기 부위에 소손이 발생하거나, 용접불량이 발생하게 되는 문제가 있으며, 구조가 매우 밀집한 구조이므로 소손발생시 소손부위를 발견하기도 어려우며 수리를 위해서는 각 권선부를 모두 매우 해체해야만하는 폐단이 있었다.Nevertheless, in the transformer of the conventional direct current MIG volume, as shown in FIG. 4, each of the winding parts 3 and 4 formed by laminating and winding insulated coated flat copper wires in a rolled shape has a transformer core. Heat dissipation is very difficult, especially in the secondary winding part 4 in which the high current flows because high heat is generated in the outer periphery of the structure. There is a problem in that welding defects occur, and because the structure is very dense, it is difficult to find a burned out part when a burnout occurs, and there is a closed end that must be completely disassembled for each winding part for repair.

그 뿐만 아니라 변압기 조립식, 각 권선부(3, 4)상면의 양 고정봉투입구(23)를 권선부고정봉(20)에 끼워서 순서대로 하나씩 적층해야 하며, 각 권선부(3, 4)가 모두 적층된 후에는 동일 권선부끼리 서로 직열연결해야할 뿐만 아니라 변압기코아를 조립할 시에도 다수의 규소강판을 순서대로 하나씩 적층해야하므로 조립시간이 매우 오래 걸리며, 각 권선부에서 사용하는 평각 동선을 모두 값비싼 구리 재질이므로 제작단가가 비싸지는 문제점이 있었다.In addition, the transformer assembly type, both fixing rod inlet 23 of the upper surface of each winding portion (3, 4) to be inserted in the winding part fixing rod 20, one by one, in order to be laminated, each winding portion (3, 4) all laminated After the same windings are connected directly to each other, as well as when the transformer cores are assembled, a large number of silicon steel sheets must be stacked one by one, which takes a very long time to assemble and expensive copper wire used in each winding is expensive. There was a problem that the manufacturing cost is expensive because of the material.

또한 용접기의 리액터(7)의 권선구조도 상기한 변압기(2)의 권선구조와 마찬가지로 다수 권선적층 방식이므로 상기와 동일한 문제점들이 있었다.In addition, the winding structure of the reactor 7 of the welding machine also has the same problems as the above because the winding structure of the transformer 2, as described above.

이에 본 고안에서는 상기한 문제점을 해결하기 위해서, 변압기와 리액터를 구성하는 내부권선을 구리에서 알루미늄등의 열전도가 우수하고 상대적으로 저가인 재질을 사용하고, 종래의 다수 권선부 적층제작방식과는 달리, 코일스프링 형상의 일체식 권선부를 조립식 코아 외주면 상에 끼우는 방식으로 제작된다.Therefore, in order to solve the above problems, the present invention uses a relatively low-cost material having excellent thermal conductivity, such as copper to aluminum, for the inner windings of the transformer and the reactor, and unlike the conventional multi-layer winding manufacturing method. The coil spring is formed in such a way that the integral winding part is fitted on the prefabricated core outer circumferential surface.

본 고안에 따른 일실시예를 첨부도면에 의거하여 설명하면 다음과 같다.When explaining an embodiment according to the present invention based on the accompanying drawings.

제1도는 본 고안의 전기 회로도이며.1 is an electric circuit diagram of the present invention.

제2도는 (a)는 본 고안 변압기의 사시도이며,2 is a perspective view of the present invention transformer,

제2도는 (b)는 본 고안의 리엑터의 사시도이고,2 is a perspective view of a reactor of the present invention,

제3도는 (a)는 본 고안 변압기의 분리 사시도이며,Figure 3 (a) is an exploded perspective view of the transformer of the present invention,

제3도는 (b)는 본 고안 리액터의 분리 사시도로서,3 is an exploded perspective view of the reactor of the present invention,

상기 도면상에서, E형 코아(10) 및 T형 코아(11)는 E형 및 T형 규소강판을 적층하고, 적층된 규소강판을 리벳(14)이음등으로 결합하여 구성되고, L형 코아(12)는 L형 규소강판을 결합하여 구성되며, 1차 권선부(3)는 에나멜로 피복된 알루미늄선이 보빈(19)의 외주상에 권취되어 구성되고, 2차 권선부(4)와 리액터 권선부(8)는 알루미늄등의 평각선을 길이방향의 직각측면 방향으로 절곡하면서 코일스프링형상으로 권취된 구조로 구성되는데, 외부 표면에는 에폭시 등의 절연물이 피복되어 있으며, 권취선 평각선의 각각의 층은 서로 일정간격으로 분리되도록 절연편(13)이 층간틈새에 끼워져 있는데, 변압기에서의 2차 권선부(4)는 1차 권선부(3)보다 단면적이 큰 평각선을 사용하고, 그 내경이 1차 권선부(3)의 외경보다 크게 권취된 구조 되어 있다.In the drawing, the E type core 10 and the T type core 11 are formed by laminating E type and T type silicon steel sheets, and combining the laminated silicon steel sheets with a rivet 14 joint or the like, and L type cores ( 12 is composed of a combination of L-type silicon steel sheet, the primary winding portion 3 is composed of enameled aluminum wire wound on the outer circumference of the bobbin 19, the secondary winding portion 4 and the reactor The winding part 8 is composed of a structure wound around a coil spring shape while bending a flat line such as aluminum in a direction perpendicular to the longitudinal direction. An outer surface is covered with an insulating material such as epoxy, and each of the winding line flat lines Insulation pieces 13 are inserted in the interlayer gap so that the layers are separated from each other by a predetermined interval. The secondary winding part 4 in the transformer uses a flat wire having a larger cross-sectional area than the primary winding part 3, and the inner diameter thereof. It is a structure wound up larger than the outer diameter of this primary winding part 3.

이에 본 고안 용접기는 상기한 E형 코아(10)의 각 돌출부 외주면상에 안쪽에는 보빈(19)과 1차 권선부(3)가 끼워지고, 그 바깥쪽에는 2차 권선부(4)가 함께 끼워진 구조로 구성되며, 상기한 E형 코아(10) 상단에는 T형 코아(11)2개가, 1차 권선부(3)와 2차 권선부(4)가 코아에서 분리되지 않도록, 맞물리는 형태로 결합되는 변압기(2)와 , 등을 기댄 형태로 연접하는 2개의 L형 코아(12)의 돌출부 외주면상에 리액터 권선부(8)가 끼워지고, 상기 권선부(8)가 코아 (12)와 분리되지 않도록 하고 자로(磁路)가 형성되도록 하기 위해, 상기한 L형 코아(12) 양 측부에 ㄱ형으로 뒤집은 또 다른 L형 코아(12)2개를 접합하여 2개의 ㅁ형상이 되도록 결하뵌 리액터(7)로 구성되어 있다.The welding device of the present invention has a bobbin 19 and a primary winding part 3 fitted inward on the outer circumferential surface of each of the above E-shaped cores 10, and a secondary winding part 4 in the outer side thereof. Consists of a structure that is fitted, the T-shaped core (11) at the top of the E-shaped core 10, the primary winding portion 3 and the secondary winding portion 4 so as not to be separated from the core, the interlocking form. Reactor windings 8 are fitted on the outer circumferential surfaces of the two L-shaped cores 12 which are connected to each other in the form of a transformer 2 coupled to the back, and the like. In order not to be separated from each other and to form a gyros, the two L-shaped cores (12) which are inverted in the a-shape on both sides of the L-shaped cores (12) are bonded to each other to form two K-shaped shapes. The reactor 7 is comprised.

미 설명 부호 15는 용접토오치, 16은오치, 16은 용접모재, 17은 인입선, 18은 인출선이다.Reference numeral 15 is a welding torch, 16 is a welding, 16 is a welding base material, 17 is a lead wire, 18 is a lead wire.

이상과 같이 구성된 본 고안의 작용효과는 다음과 같다.Effects of the present invention configured as described above are as follows.

본 고안에서는 종래의 여러개의 권선부 적층 제작방식과는 달리, 코일스프링형상의 일체식 권선부를 조립식 코아 외주면상에 한번에 끼우는 방식으로 제작함으로서, 조립 시간이 단축되며 자동화가 가능해진다.In the present invention, unlike the conventional manufacturing method of stacking multiple winding parts, by fabricating a coil spring-shaped integral winding part on the prefabricated core outer circumferential surface at once, assembly time is shortened and automation is possible.

또한 평각선의 절연피복작업이, 일일이 절연지를 말아 피복시킬 필요 없이, 에폭시 등의 절연액에 한번에 담궜다가 꺼내 건조시키기만 하면 가능할 뿐만 아니라, 평각선의 재질도 값비싼 구리재질이 아닌 알루미늄 등의 재질을 사용하므로 제작단가를 대폭 절감 가능하다.In addition, the insulation coating work of the flat wire can be done by simply immersing it in an insulating solution such as epoxy and drying it out without having to roll and coat the insulating paper one by one. Therefore, manufacturing cost can be greatly reduced.

또한 권선부가 스프링 형상으로서 층간틈새가 충분하므로, 열발산이 용이하다.In addition, since the winding portion has a spring shape and sufficient interlayer clearance, heat dissipation is easy.

따라서 지속적인 고 전류용접이 가능하게 되어 후판용접 및 가우징(Gausing) 작업도 가능하고, 용접중에 전류상태가 매우 안정되므로 스패터 등의 결함없는 양호한 용접이 가능해질 뿐만 아니라 내구성이 우수하며 반영구적 사용이 가능하다.As a result, continuous high current welding is possible, so it is possible to weld plate and gouging. Also, since the current state is very stable during welding, good welding without defects such as spatter is possible, and durability is excellent and semi-permanent use is possible. It is possible.

또한 권선부가 일체식 코일스프링 형상이므로 고장수리시에, 권선부를 해체함없이 고장부위 발견이 가능하며, 수리작업도 매우 용이하게 되는 유용한 고안이다.In addition, since the winding part is an integral coil spring shape, it is possible to find a failure part without disassembling the winding part at the time of troubleshooting, and it is a useful design that makes repair work very easy.

Claims (3)

E형 코아(10)의 각 돌출부 외주면상 안쪽에는 보빈(19)과 1차 권선부(3)가 끼워지고, 그 바깥쪽에는 2차 권선부(4)가 함께 끼워진 구조로 구성되며, 상기한 E형 코아(10) 상단에는 T형 코아(11)2개가, 1차 권선부(3)와 2차 권선부(4)가 코아에서 분리되지 않도록 맞물리는 형태로 결합되는 변압기(2)와 , 등을 기댄 형태로 연접하는 2개의 L형 코아(12)의 돌출부 외주면상에 리액터 권선부(8)가 끼워지고, 상기한 2개의 L형 코아(12)양 측부에 ㄱ형으로 뒤집은 또 다른 L형 코아(12) 2개를 접합하여 2개의 ㅁ형상이 되도록 결합된 리액터(7)로 구성되어 있는 것을 특징으로 하는 직류 미그(MIG; Multiple Inert Gas) 용접기.The bobbin 19 and the primary winding portion 3 are fitted inside the outer peripheral surface of each protrusion of the E-shaped core 10, and the secondary winding portion 4 is fitted together at the outside thereof. At the top of the E-shaped core 10, two T-shaped cores 11 are coupled to the transformer 2, in which the primary winding portion 3 and the secondary winding portion 4 are engaged with each other so as not to be separated from the core. The reactor windings 8 are fitted on the outer circumferential surfaces of the two L-shaped cores 12 connected in a back-to-back form, and another L-shaped inverted in the a-shape at both sides of the two L-shaped cores 12 described above. Multiple Inert Gas (MIG) welding machine, characterized in that the reactor (7) is composed of a reactor (7) joined by joining two cores (12). 제1항에 있어서, E형 코아(10) 및 T형 코아(11)는 E형 및 T형 규소강판을 적층하고, 적층된 규소강판을 리벳(14)이음 등으로 결합하여 구성되고, L형 코아(12)는 L형 규소강판을 결합하여 구성되는 것을 특징으로 하는 직류 미그 용접기.The E-shaped core 10 and the T-shaped core 11 are configured by laminating E-type and T-type silicon steel sheets, and combining the laminated silicon steel sheets with a rivet 14 joint or the like, and L-type. Core 12 is a direct current MIG welding machine, characterized in that configured by combining the L-type silicon steel sheet. 제1항에 있어서, 1차 권선부(1)는 에나멜로 피복된 알루미늄선이 보빈(19)의 외주상에 권취되어 구성되고, 2차 권선부(4)와 리액터 권선부(8)는 알루미늄재질의 평각선을 길이방향의 직각측면 방향으로 절곡하면서 코일스프링형상으로 권취된 구조로 구성되는데, 외부 표면에는 에폭시 등의 절연물이 피복되어 있으며, 권취된 평각선의 각각의 층은 서로 일정간격으로 분리되도록 절연편(13)이 층간틈새에 끼워져 있는데, 변압기에서의 2차 권선부(4)는 1차 권선부(3)보다 단면적이 큰 평각선을 사용하고, 그 내경이 1차 권선부(3)의 외경보다 크게 권취된 구조 되는 것을 특징으로 하는 직류 미그 용접기.2. The primary winding portion 1 according to claim 1, wherein the primary winding portion 1 is formed by enameled aluminum wire wound on the outer circumference of the bobbin 19, and the secondary winding portion 4 and the reactor winding portion 8 are made of aluminum. It consists of a structure wound around a coil spring shape while bending the flat line of the material in the direction perpendicular to the longitudinal direction. An outer surface is covered with an insulation such as epoxy, and each layer of the wound flat line is separated from each other at regular intervals. The insulation piece 13 is inserted in the interlayer gap so that the secondary winding part 4 of the transformer uses a flat wire having a larger cross-sectional area than the primary winding part 3, and its inner diameter is the primary winding part 3. DC MIG welding machine characterized in that the structure is wound larger than the outer diameter of.
KR2019940005393U 1994-03-17 1994-03-17 Mig welding machine KR960002989Y1 (en)

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