KR101316591B1 - Robot seam welder - Google Patents

Robot seam welder Download PDF

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Publication number
KR101316591B1
KR101316591B1 KR1020130059672A KR20130059672A KR101316591B1 KR 101316591 B1 KR101316591 B1 KR 101316591B1 KR 1020130059672 A KR1020130059672 A KR 1020130059672A KR 20130059672 A KR20130059672 A KR 20130059672A KR 101316591 B1 KR101316591 B1 KR 101316591B1
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South Korea
Prior art keywords
electrode
shim
electrode wheel
seam
robot
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KR1020130059672A
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Korean (ko)
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이강천
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이강천
(주)신화웰텍
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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
    • B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
    • B23K11/061—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams
    • B23K11/062—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams for welding longitudinal seams of 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/3036—Roller electrodes
    • 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
    • B23K11/30—Features relating to electrodes
    • B23K11/3063—Electrode maintenance, e.g. cleaning, grinding
    • 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
    • B23K11/362—Contact means for supplying welding current to the electrodes
    • B23K11/366—Sliding contacts
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/013—Method or apparatus with electric heating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manipulator (AREA)

Abstract

PURPOSE: A robot seam welding machine with a direct driving type electrode wheel is provided to grind and remove slag generated on the electrode wheel in welding with a cutting tool coupled to the outer circumference of the electrode wheel. CONSTITUTION: A robot seam welding machine with a direct driving type electrode wheel comprises a robot device part and a seam welding part. The robot device part comprises a driving body and one or more arm connectors to approach to a welding part of a welded target through a transfer passage according to a set control value. The seam welding part comprises multiple seam housings (10), electrode wheels (20), driven gears (21), driving motors (30), and driving gears (31). The electrode wheels with different electrode are formed in the seam housings. The electrode wheels are coupled to the driven gears connected to shafts. The driving gears interlocking with the driving motors are directly connected to one side of the driven gears.

Description

직결 구동식 전극휠을 갖는 로봇 심 용접기{Robot seam welder}Robot seam welder with direct drive electrode wheel

본 발명은 심 용접을 수행하는 로봇 심 용접기의 전극휠의 회전시 심 하우징 내 샤프트의 축 변형을 방지하도록 구동모터(서버모터)의 구동기어와 종동기어가 직결식 연결구조를 갖도록 형성되어 용접 정밀성을 개선하도록 형성되고, 용접시 전극휠에서 발생되는 슬래그는 상기 전극휠의 외주면에 직착 결합된 바이트에 의해 상시 연마 제거되도록 형성되며, 특히 심 하우징 내에 형성된 션트는 전극편이 플렉시블한 형태의 편조선으로 이루어져 회전 샤프트와의 밀착력을 향상시키도록 하는 바, 이는 종전의 탄성판 고정방식에 따른 외향 반발력(탄성력)을 원천적으로 제거하여 안정적인 지지 고정을 이루도록 함으로써, 종전의 전식 발생을 미연에 방지함으로써, 용접 불량을 크게 개선함은 물론 작업 효율과 생산성이 크게 향상되는 특징으로 하는 직결 구동식 전극휠을 갖는 로봇 심 용접기에 관한 것이다.
The present invention is formed so that the drive gear and the driven gear of the drive motor (server motor) has a direct connection structure so as to prevent the shaft deformation of the shaft in the shim housing during rotation of the electrode wheel of the robot seam welder to perform seam welding weld precision The slag generated from the electrode wheel during welding is formed to be always polished and removed by a bite bonded directly to the outer circumferential surface of the electrode wheel. In particular, the shunt formed in the shim housing is a braided line in which the electrode piece is flexible. It is made to improve the adhesion to the rotating shaft, which is to remove the outward repulsion (elastic force) in accordance with the conventional elastic plate fixing method to achieve a stable support fixing, thereby preventing the previous generation of welding in advance, Not only greatly improves defects, but also greatly improves work efficiency and productivity. A robot seam welder having a grain driven electrode wheel.

일반적으로 심 용접(seam welding)은 전기 저항 용접의 일종, 비교적 얇은 금속관의 이음 용접에 사용하는 방법을 일컫는 것으로, 용접부를 겹치거나 맞대어 붙인 다음 이것을 전극(電極)을 이루는 한 쌍의 롤러 사이에 삽입하고 롤러의 회전에 의하여 차례로 접합선에 따라서 연속적으로 용접하는 방법을 말한다.In general, seam welding is a type of electrical resistance welding, a method used for joint welding of relatively thin metal pipes, which overlaps or abuts welds and inserts them between a pair of rollers forming an electrode. And it says the method of welding continuously by the rotation of the roller in accordance with the joint line in turn.

이러한 심 용접은 일본국 특개소 60-99489호 공보의 기재와 같이 용접기의 고정부재 위에 션트를 여러개의 보울트로서 관통하여 고정하도로 형성된다.Such seam welding is formed by fixing a plurality of bolts through the shunt on the fixing member of the welding machine as described in Japanese Patent Laid-Open No. 60-99489.

이를 보다 구체적으로 살펴보면 일반적으로 금속관의 제조공정은, 일정 폭으로 절단된 띠형 강재를 조관기내의 다수의 성형롤을 순차적으로 거치게 하여 일정크기의 직경을 갖는 금속관으로서 제조되게 하는 것인데, 이때 상기 제조되는 금속관은 다수의 성형롤을 거치면서 강재가 파이프형태를 갖추게 됨과 동시에 완전한 관형태로 유지되게 하기 위해 이음부인 심부분에 대한 용접 공정을 반드시 거치게 된다.Looking at this in more detail in general, the manufacturing process of the metal tube is to be made as a metal tube having a certain size of diameter by sequentially passing a plurality of forming rolls in the tube pipe to the strip-shaped steel cut to a certain width, wherein the metal tube is manufactured As the steel passes through a plurality of forming rolls, the steel is necessarily piped and at the same time welded to the seam portion of the seam in order to maintain the complete tube form.

이와 같이 조관기를 거치면서 일정크기의 직경형태를 갖춘 파이프의 심부분에 대한 용접이 원활하게 이루어지기 위해서는 최종 성형롤을 거쳐 이송되는 금속관의 양측으로 금속관의 심부분을 이루는 양단면이 서로 정확하게 맞대지도록 하기 위해 별도의 가압장치가 설치되어 심부분에 대한 용접의 편의성과 함께 정밀성을 도모하고 있다.In order to smoothly weld the core part of the pipe having a certain diameter while passing through the tube, the two end faces of the metal part of the metal tube must be exactly aligned with each other on both sides of the metal tube which is transferred through the final forming roll. In order to achieve this, a separate pressurization device is installed to facilitate precision with ease of welding to the core portion.

그러나 상기와 같이 성형롤에 의해 제조되는 금속관의 심부분을 이루는 양단면을 정확하게 맞대도록 하기 위한 지금까지의 심용접 가이드장치는, 제조되어 취출되는 금속관의 양측에 가압롤을 서로 밀접된 상태로 대향 설치한 상태에서 금속관의 양측을 가압하여 이 가압력에 의해 심부분을 이루는 양단부가 서로 맞대지도록 하여 심부분에 대한 용접작업이 이루어지도록 하거나, 이와는 달리 나사봉의 작동에 의해 그 높이 및 간격조절이 가능하게 하여 다양한 직경크기로 제조되는 금속관을 양측에서 가압하여 역시 심부분을 이루는 양단부가 서로 맞대지도록 하여 심부분에 대한 정밀한 용접 작업이 이루어지도록 형성된다.However, the conventional seam welding guide apparatus for precisely butting the two end surfaces of the metal tube manufactured by the forming roll as described above, the pressing rolls on both sides of the metal tube to be manufactured and taken out to face each other in close contact with each other In the installed state, both sides of the metal pipe are pressed so that both ends of the core parts are brought into contact with each other by this pressing force, so that welding work is performed on the core parts, or the height and spacing can be adjusted by operating the screw rod. By pressing the metal pipes manufactured in various diameter sizes on both sides, the two ends of the core portion are also faced to each other to form a precise welding operation on the core portion.

이와 같은 종래의 심용접 가이드장치들은 이미 원형태를 이룬 금속관의 양측에서 그 중심축선 방향으로 금속관을 가압하여 심부분의 양단부로 하여금 서로 접근 방향측으로 이동되게 함으로써 결과적으로 양단부가 접촉된 상태로 금속관이 이송되게 하는 상태에서 심부분에 대한 용접이 이루어지도록 하고 있는 것이었다.Such conventional seam welding guide apparatus presses the metal tube in the direction of its center axis from both sides of the already formed circular metal tube so that both ends of the core portion are moved toward the direction of approach to each other, and consequently the metal tube is brought into contact with both ends. It was to be welded to the core in the state of being transported.

그러나, 이와같은 종래의 심 용접기는 전극휠의 구동시 샤프트 축단부에 타이밍벨트를 걸어 서버모터로 하여금 연동회전되도록 하였는 바, 이러한 일측단 회전 방식은 축 틀어짐을 발생시켜 정밀한 용접을 저해하는 문제가 제기되어 왔다.However, such a conventional seam welder has a timing belt attached to the shaft end of the electrode wheel to drive the interlocked rotation of the server motor. This one-side rotation causes the shaft to be distorted, thus preventing precision welding. Has been raised.

또한, 종래의 전극휠은 회전 용접에 따라 외주면에 도금층 즉, 슬래그가 발생하게 되는데, 이러한 슬래그를 제거하기 위해서는 별도의 연마기를 통해 바이트로 하여금 제거하여야 함으로써, 작업의 번거로움과 생산성 저하를 유발하는 문제가 계속되어 왔다.In addition, in the conventional electrode wheel, the plating layer, that is, slag is generated on the outer circumferential surface according to the rotation welding, in order to remove such slag, the bite has to be removed through a separate grinder, which causes the inconvenience of work and the productivity decrease. The problem has been going on.

또한, 종래의 심 하우징용 고정수단은 고정부재 및 션트에 여러개의 보울트를 균일하게 조이는 것이 어렵고, 보울트를 조이는 작업이 번잡하며 보울트의 조임이 느슨해지면 션트가 흔들려서 덜컹 거리기도 하고, 또한 일부의 보울트가 빠지면 션트가 고정부재에서 돌아 움직이는 문제점이 발생되었다.In addition, in the conventional shim housing fixing means, it is difficult to uniformly tighten several bolts to the fixing member and the shunt. When the shunt is moved away from the fixing member has occurred.

이와 같이, 종래의 션트는 고정 자체에 문제가 있을 뿐더러 제대로 밀착이 유지 되지 못하여 전식이 발생됨으로써, 스파크가 발생되고 이로 인해 화재 위험의 노출로 연결되거나 용접 자체의 불량을 야기하는 문제가 발생되고 있는 실정이다.As described above, the conventional shunt has a problem with the fixing itself, and is not properly maintained, and thus, the electric shunt is generated, resulting in a spark, which leads to the exposure of a fire hazard or a problem that causes the welding itself to be defective. It is true.

참고로 전식(electrolytic corrosion)은 금속체의 주위가 불순한 물이나 습한 흙과 같은 전해질에 둘러싸인 상태에서 전류가 흐르는 경우, 전해를 일으켜 부근의 금속체를 부식시키는 것을 일컫는다.
For reference, electrolytic corrosion refers to corrosion of a metal body by causing electrolysis when current flows while the metal body is surrounded by an electrolyte such as impure water or wet soil.

본 발명은 상술한 문제점을 해결하기 위한 것으로, 그 기술적 요지는 심 용접을 수행하는 로봇 심 용접기의 전극휠의 회전시 심 하우징 내 샤프트의 축 변형을 방지하도록 구동모터(서버모터)의 구동기어와 종동기어가 직결식 연결구조를 갖도록 형성되어 용접 정밀성을 개선하도록 형성되고, 용접시 전극휠에서 발생되는 슬래그는 상기 전극휠의 외주면에 직착 결합된 바이트에 의해 상시 연마 제거되도록 형성되며, 특히 심 하우징 내에 형성된 션트는 전극편이 플렉시블한 형태의 편조선으로 이루어져 회전 샤프트와의 밀착력을 향상시키도록 하는 바, 이는 종전의 탄성판 고정방식에 따른 외향 반발력(탄성력)을 원천적으로 제거하여 안정적인 지지 고정을 이루도록 함으로써, 종전의 전식 발생을 미연에 방지함으로써, 용접 불량을 크게 개선함은 물론 작업 효율과 생산성이 크게 향상되는 특징으로 하는 직결 구동식 전극휠을 갖는 로봇 심 용접기를 제공함에 그 목적이 있다.
The present invention is to solve the above problems, the technical gist of the drive gear of the drive motor (server motor) to prevent the shaft deformation of the shaft in the shim housing during rotation of the electrode wheel of the robot seam welder performing seam welding The driven gear is formed to have a direct connection structure to improve welding precision, and the slag generated at the electrode wheel during welding is formed to be always polished and removed by a bite bonded directly to the outer circumferential surface of the electrode wheel. The shunt formed inside the electrode piece is made of a flexible braided wire to improve the adhesion with the rotating shaft, which is to remove the outward repulsive force (elastic force) according to the conventional elastic plate fixing method to achieve a stable support fixing By preventing the occurrence of the previous electrical transfer, thereby greatly improving the welding failure To provide a seam-welding robot has a powered electrode wheel directly, characterized in theory work efficiency and productivity are significantly improved it is an object.

이러한 목적을 달성하기 위해 본 발명의 직결 구동식 전극휠을 갖는 로봇 심 용접기는 설정된 제어값에 따라 이송 경로를 갖으며 피용접물의 용접부에 접근하도록 구동체(1a) 및 하나 이상의 아암 연결체(1b)가 형성되는 로봇 장치부(1)와; 상기 로봇 장치부의 아암 연결체 단부에 조립되도록 하되, 상하로 분할된 복수의 심 하우징(10)이 형성되고, 상기 심 하우징(10) 마다에는 서로 다른 전극을 갖는 각각의 전극휠(20)이 형성되며, 상기 전극휠(20)은 회전을 수행하도록 심 하우징 내에 구비된 샤프트(11)와 연결되는 종동기어(21)와 결합되고, 상기 종동기어(21)의 일측에는 구동모터(30)로부터 연동되는 구동기어(31)가 직결로 연결되어 회전시 심 하우징 내 샤프트(11)의 축 변형을 방지하면서 회전을 도모하도록 하는 심 용접부(2)가; 구성되어 이루어진다.In order to achieve this object, the robotic seam welder having the direct-driven electrode wheel of the present invention has a conveying path according to a set control value and drives the drive body 1a and one or more arm connecting members 1b to approach the welded portion of the welded object. The robot device unit 1 is formed; A plurality of shim housings 10 are formed to be assembled at the end of the arm connecting portion of the robot device, and the shim housings 10 are divided up and down, and each electrode wheel 20 having different electrodes is formed in each of the shim housings 10. The electrode wheel 20 is coupled to the driven gear 21 connected to the shaft 11 provided in the shim housing so as to perform rotation, and interlocked from the driving motor 30 to one side of the driven gear 21. The drive gear 31 is connected directly connected to the seam welding portion (2) to facilitate the rotation while preventing the shaft deformation of the shaft 11 in the shim housing during rotation; .

이때, 상기 전극휠(20)은 회전하는 원주면 일측에 드레싱용 바이트(50)가 형성되어 용접 중 발생된 도금층 슬래그를 연마하여 제거하도록 하는 것이 바람직하다.At this time, the electrode wheel 20 is preferably dressing bite 50 is formed on one side of the circumferential surface to rotate to polish and remove the plated layer slag generated during welding.

또한, 상기 심 하우징(10)은 내부에 션트(100)가 구비되되, 상기 션트(100)는 일측 통전판과 전기적으로 연결되면서 결합되도록 중앙에 고정판(110)이 형성되고, 상기 고정판(110)의 일면에는 양단으로 분기되는 전극편(130)이 형성되며, 상기 전극편(130)의 양단에는 브러시(30)가 대응되어 결합되도록 접속판(140)이 형성되되, 상기 전극편(130)은 편조선으로 이루어진 것이 바람직하다.
In addition, the shim housing 10 is provided with a shunt 100 therein, the shunt 100 is formed with a fixed plate 110 in the center to be coupled while electrically connected to one side of the conducting plate, the fixing plate 110 Electrode pieces 130 are formed at both ends of the electrode pieces 130, and connecting plates 140 are formed at both ends of the electrode pieces 130 so that the brushes 30 are correspondingly coupled to each other. It is preferable that it consists of a braided wire.

이와 같이, 본 발명은 심 용접을 수행하는 로봇 심 용접기의 전극휠의 회전시 심 하우징 내 샤프트의 축 변형을 방지하도록 구동모터(서버모터)의 구동기어와 종동기어가 직결식 연결구조를 갖도록 형성되어 용접 정밀성을 개선하도록 형성되고, 용접시 전극휠에서 발생되는 슬래그는 상기 전극휠의 외주면에 직착 결합된 바이트에 의해 상시 연마 제거되도록 형성되며, 특히 심 하우징 내에 형성된 션트는 전극편이 플렉시블한 형태의 편조선으로 이루어져 회전 샤프트와의 밀착력을 향상시키도록 하는 바, 이는 종전의 탄성판 고정방식에 따른 외향 반발력(탄성력)을 원천적으로 제거하여 안정적인 지지 고정을 이루도록 함으로써, 종전의 전식 발생을 미연에 방지함으로써, 용접 불량을 크게 개선함은 물론 작업 효율과 생산성이 크게 향상되는 효과가 있다.
In this way, the present invention is formed so that the drive gear and the driven gear of the drive motor (server motor) has a direct connection structure to prevent the shaft deformation of the shaft in the shim housing during rotation of the electrode wheel of the robot seam welder performing seam welding. The slag generated at the electrode wheel during welding is formed to be always polished and removed by a bite bonded directly to the outer circumferential surface of the electrode wheel. In particular, the shunt formed in the shim housing has a flexible shape. It consists of braided wires to improve adhesion to the rotating shaft, which eliminates outward repulsion (elastic force) by the original elastic plate fixing method to achieve stable support fixing, thereby preventing the occurrence of previous transfer. This greatly improves welding defects, as well as greatly improving work efficiency and productivity. There.

도 1은 본 발명에 따른 로봇 심 용접기의 전체적인 개략도,
도 2는 본 발명에 따른 로봇 심 용접기의 용접 유닛 측면도,
도 3은 도 2의 정면도,
도 4는 본 발명에 따른 드레싱용 바이트 세부도,
도 5 내지 도 6은 본 발명에 따른 심 용접부의 일측 및 타측 단면도,
도 7은 본 발명에 따른 션트를 나타낸 예시도이다.1 is an overall schematic view of a robot seam welder according to the present invention;
2 is a side view of the welding unit of the robot seam welder according to the present invention;
Fig. 3 is a front view of Fig. 2,
Figure 4 is a detail view for dressing bite according to the present invention,
5 to 6 is one side and the other side cross-sectional view of the seam welding portion according to the present invention,
7 is an exemplary view showing a shunt according to the present invention.

다음은 첨부된 도면을 참조하며 본 발명을 보다 상세히 설명하겠다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings.

먼저, 도 1 내지 도 7에 도시된 바와 같이, 본 발명의 직결 구동식 전극휠을 갖는 로봇 심 용접기는 설정된 제어값에 따라 이송 경로를 갖으며 피용접물의 용접부에 접근하도록 구동체(1a) 및 하나 이상의 아암 연결체(1b)가 형성되는 로봇 장치부(1)와; 상기 로봇 장치부의 아암 연결체 단부에 조립되도록 하되, 상하로 분할된 복수의 심 하우징(10)이 형성되고, 상기 심 하우징(10) 마다에는 서로 다른 전극을 갖는 각각의 전극휠(20)이 형성되며, 상기 전극휠(20)은 회전을 수행하도록 심 하우징 내에 구비된 샤프트(11)와 연결되는 종동기어(21)와 결합되고, 상기 종동기어(21)의 일측에는 구동모터(30)로부터 연동되는 구동기어(31)가 직결로 연결되어 회전시 심 하우징 내 샤프트(11)의 축 변형을 방지하면서 회전을 도모하도록 하는 심 용접부(2)가; 구성되어 이루어진다.First, as shown in Figs. 1 to 7, the robotic seam welder having a direct drive electrode wheel of the present invention has a conveying path according to a set control value and drives the drive body 1a to approach the welded portion of the welded object. A robot device portion 1 in which at least one arm connecting member 1b is formed; A plurality of shim housings 10 are formed to be assembled at the end of the arm connecting portion of the robot device, and the shim housings 10 are divided up and down, and each electrode wheel 20 having different electrodes is formed in each of the shim housings 10. The electrode wheel 20 is coupled to the driven gear 21 connected to the shaft 11 provided in the shim housing so as to perform rotation, and interlocked from the driving motor 30 to one side of the driven gear 21. The drive gear 31 is connected directly connected to the seam welding portion (2) to facilitate the rotation while preventing the shaft deformation of the shaft 11 in the shim housing during rotation; .

이때, 상기 전극휠(20)은 회전하는 원주면 일측에 드레싱용 바이트(50)가 형성되어 용접 중 발생된 도금층 슬래그를 연마하여 제거하도록 하는 것이 바람직하다.At this time, the electrode wheel 20 is preferably dressing bite 50 is formed on one side of the circumferential surface to rotate to polish and remove the plated layer slag generated during welding.

또한, 상기 심 하우징(10)은 내부에 션트(100)가 구비되되, 상기 션트(100)는 일측 통전판과 전기적으로 연결되면서 결합되도록 중앙에 고정판(110)이 형성되고, 상기 고정판(110)의 일면에는 양단으로 분기되는 전극편(130)이 형성되며, 상기 전극편(130)의 양단에는 브러시(30)가 대응되어 결합되도록 접속판(140)이 형성되되, 상기 전극편(130)은 편조선으로 이루어진 것이 바람직하다.In addition, the shim housing 10 is provided with a shunt 100 therein, the shunt 100 is formed with a fixed plate 110 in the center to be coupled while electrically connected to one side of the conducting plate, the fixing plate 110 Electrode pieces 130 are formed at both ends of the electrode pieces 130, and connecting plates 140 are formed at both ends of the electrode pieces 130 so that the brushes 30 are correspondingly coupled to each other. It is preferable that it consists of a braided wire.

즉, 본 발명은 플렉시블 구조의 션트를 제공함으로써, 샤프트와 브러시의 밀착 회전시 전식 발생을 원천적으로 방지하는 것을 특징으로 한다.That is, the present invention is to provide a shunt of a flexible structure, it is characterized in that it prevents the generation of the electroplating during the close rotation of the shaft and the brush.

이에, 심 용접기의 심 하우징에 형성되는 샤프트는 일측에 전극휠이 결합되도록 형성되고, 상기 전극휠은 상하 1조를 이루면서 용접을 수행하도록 형성된다.Thus, the shaft formed in the shim housing of the seam welder is formed so that the electrode wheel is coupled to one side, the electrode wheel is formed to perform welding while forming a pair of up and down.

이때, 상기 심 하우징 내부에 형성된 션트는 별도의 전력원으로부터 통전을 이루도록 중앙에 고정판(110)이 형성되고, 상기 고정판(110)의 일면에는 양단으로 분기되는 전극편(130)이 형성되며, 상기 전극편(130)의 양단에는 브러시(120)가 대응되어 결합되도록 접속판(140)이 형성되는 심 하우징용 내부 션트(100)에 있어서, 상기 션트의 전극편(130)은 편조선으로 이루어지도록 형성된다.In this case, the shunt formed inside the shim housing has a fixed plate 110 is formed in the center to make the electricity from a separate power source, the electrode piece 130 is formed on both sides of the fixed plate 110 is formed, In the inner shunt 100 for the shim housing in which the connecting plate 140 is formed so that the brush 120 is coupled to the both ends of the electrode piece 130, the electrode piece 130 of the shunt is made of a braided line. Is formed.

즉, 상기 심 하우징은 샤프트가 회전할 수 있도록 일측 및 타측에 베어링 구조가 결합되고, 회전시 전기적 통전을 이루도록 브러시와 상기 브러시를 고정하는 접속판 그리고 전극편과 고정판을 순차적으로 연결하면서 통전을 이루게 된다.That is, the shim housing is coupled to the bearing structure on one side and the other side so that the shaft can rotate, connecting the electrode and the connecting plate for fixing the brush and the electrode piece and the fixed plate in order to achieve the electrical current during rotation to achieve the current do.

이때, 상기 션트의 전극편(130)은 설정된 직경을 갖는 다수개의 선재들을 직조한 것으로, 상기 직조된 각 선재는 0.1~3m 내외 인것으로 재질이 구리(Cu)인 것이 바람직하다.At this time, the electrode piece 130 of the shunt is made of a plurality of wires having a set diameter, the wire is each of the wire is 0.1 ~ 3m or less is preferably made of copper (Cu).

또한, 상기 션트(100)는 '∪'자 형태를 이루면서, 분기된 양단에 접속판(140)이 형성되고, 상기 접속판(140)에는 다수개의 결합공(141)과 조임공(142)이 형성되어 결합공(141)에 의해 브러시(120)가 체결되면 하우징 외부에서 조임공(142)을 통해 브러시(120)가 샤프트(11)에 밀착시 가압정도를 조절할 수 있도록 하는 것이 바람직하다.In addition, the shunt 100 has a '∪' shape, the connecting plate 140 is formed on both ends of the branch, the plurality of coupling holes 141 and the fastening hole 142 is formed in the connecting plate 140 When the brush 120 is fastened by the coupling hole 141, it is preferable to adjust the degree of pressurization when the brush 120 is in close contact with the shaft 11 through the tightening hole 142 from the outside of the housing.

이에, 상기 션트의 고정판(110) 및 접속판(140)은 동판으로 형성되는 것이 바람직하다.Thus, the fixing plate 110 and the connecting plate 140 of the shunt is preferably formed of a copper plate.

이때, 상기 션트의 접속판(140)에 결합되는 브러시(120)는 일측이 원호형으로 형성되어 샤프트(11)의 동심원을 기준으로 대칭되면서 맞닿도록 형성되는 것이 바람직하다.
At this time, the brush 120 coupled to the connecting plate 140 of the shunt is preferably formed so that one side is formed in an arc shape and symmetrical with respect to the concentric circle of the shaft 11.

본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 고안이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

1 ... 로봇 장치부 2 ... 심 용접부
10 ... 심 하우징 11 ... 샤프트
20 ... 전극휠 21 ... 종동기어
30 ... 구동모터 31 ... 구동기어
50 ... 바이트 100 ... 션트
110 ... 고정판 130 ... 전극편
140 ... 접속판1 ... robot unit 2 ... seam weld
10 ... shim housing 11 ... shaft
20 ... electrode wheel 21 ... driven gear
30 ... drive motor 31 ... drive gear
50 ... bytes 100 ... shunt
110 ... fixing plate 130 ... electrode
140 ... connection plate

Claims (3)

설정된 제어값에 따라 이송 경로를 갖으며 피용접물의 용접부에 접근하도록 구동체(1a) 및 하나 이상의 아암 연결체(1b)가 형성되는 로봇 장치부(1)와; 상기 로봇 장치부의 아암 연결체 단부에 조립되도록 하되, 상하로 분할된 복수의 심 하우징(10)이 형성되고, 상기 심 하우징(10) 마다에는 서로 다른 전극을 갖는 각각의 전극휠(20)이 형성되며, 상기 전극휠(20)은 회전을 수행하도록 심 하우징 내에 구비된 샤프트(11)와 연결되는 종동기어(21)와 결합되고, 상기 종동기어(21)의 일측에는 구동모터(30)로부터 연동되는 구동기어(31)가 직결로 연결되어 회전시 심 하우징 내 샤프트(11)의 축 변형을 방지하면서 회전을 도모하도록 하는 심 용접부(2)가; 구성되어 이루어진 로봇 심 용접기에 있어서,
상기 전극휠(20)은 회전하는 원주면 일측에 드레싱용 바이트(50)가 형성되어 용접 중 발생된 도금층 슬래그를 연마하여 제거하도록 하되,
상기 심 하우징(10)은 내부에 션트(100)가 구비되되, 상기 션트(100)는 일측 통전판과 전기적으로 연결되면서 결합되도록 중앙에 고정판(110)이 형성되고, 상기 고정판(110)의 일면에는 양단으로 분기되는 전극편(130)이 형성되며, 상기 전극편(130)의 양단에는 브러시(30)가 대응되어 결합되도록 접속판(140)이 형성되되, 상기 전극편(130)은 편조선으로 이루어진 것을 특징으로 하는 직결 구동식 전극휠을 갖는 로봇 심 용접기.
A robot apparatus unit 1 having a conveying path according to the set control value and having a driving body 1a and at least one arm connecting body 1b formed so as to approach the welded portion of the welded object; A plurality of shim housings 10 are formed to be assembled at the end of the arm connecting portion of the robot device, and the shim housings 10 are divided up and down, and each electrode wheel 20 having different electrodes is formed in each of the shim housings 10. The electrode wheel 20 is coupled to the driven gear 21 connected to the shaft 11 provided in the shim housing so as to perform rotation, and interlocked from the driving motor 30 to one side of the driven gear 21. The drive gear 31 is connected directly connected to the seam welding portion (2) to facilitate the rotation while preventing the shaft deformation of the shaft 11 in the shim housing during rotation; In the constructed robotic seam welder,
The electrode wheel 20 has a dressing bite 50 formed on one side of the circumferential surface to rotate to polish and remove the plated layer slag generated during welding,
The shim housing 10 is provided with a shunt 100 therein, and the shunt 100 has a fixed plate 110 formed at the center thereof so as to be coupled while electrically connected to one side conducting plate, and one surface of the fixed plate 110. An electrode piece 130 is formed at both ends, and a connecting plate 140 is formed at both ends of the electrode piece 130 so that the brush 30 is correspondingly coupled to each other, and the electrode piece 130 is a braided line. Robot seam welder having a direct drive electrode wheel, characterized in that consisting of.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105033431A (en) * 2014-04-18 2015-11-11 株式会社安川电机 Seam welding system, seam welding method, and method for producing a to-be-welded object
CN110303318A (en) * 2019-07-22 2019-10-08 珠海市鼎谌智能科技有限公司 A kind of body formed feeding device of flexible cord thin slice
CN113427110A (en) * 2021-07-15 2021-09-24 晋城市博宇链传动有限公司 Online dezincification and trimming device for galvanized sheet roll spot welding electrode wheel

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JPH09253865A (en) * 1996-03-26 1997-09-30 Sanko Metal Ind Co Ltd Seam welding machine
KR20050013806A (en) * 2003-07-29 2005-02-05 주식회사 포스코 Apparatus for mounting welding wheel
JP3124033U (en) * 2006-05-24 2006-08-03 愛知産業株式会社 Robot seam welding machine
KR20100109077A (en) * 2009-03-31 2010-10-08 이상관 Seam welding machine including roller electrode machining unit

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Publication number Priority date Publication date Assignee Title
JPH09253865A (en) * 1996-03-26 1997-09-30 Sanko Metal Ind Co Ltd Seam welding machine
KR20050013806A (en) * 2003-07-29 2005-02-05 주식회사 포스코 Apparatus for mounting welding wheel
JP3124033U (en) * 2006-05-24 2006-08-03 愛知産業株式会社 Robot seam welding machine
KR20100109077A (en) * 2009-03-31 2010-10-08 이상관 Seam welding machine including roller electrode machining unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105033431A (en) * 2014-04-18 2015-11-11 株式会社安川电机 Seam welding system, seam welding method, and method for producing a to-be-welded object
CN105033431B (en) * 2014-04-18 2019-03-29 株式会社安川电机 The production method of seam weld system, seam weld method and soldered object
CN110303318A (en) * 2019-07-22 2019-10-08 珠海市鼎谌智能科技有限公司 A kind of body formed feeding device of flexible cord thin slice
CN110303318B (en) * 2019-07-22 2024-02-23 珠海市鼎谌智能科技有限公司 Flexible wire sheet body forming and feeding device
CN113427110A (en) * 2021-07-15 2021-09-24 晋城市博宇链传动有限公司 Online dezincification and trimming device for galvanized sheet roll spot welding electrode wheel

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