AUTOMATIC WELDING APPARATUS FOR UNIFORMIZING WELD POOL

The present invention relates to an automatic welding apparatus, capable of stably controlling an area of a molten pool to be uniformed during a welding process by a relatively simple construction thereof. The automatic welding apparatus of the present invention comprises: a height control means whi...

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Bibliographische Detailangaben
Hauptverfasser: KIM, SUNG RYUL, HWANG, KYUNG HWAN, KIM, CHURL MIN, KIM, ROH WON
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:The present invention relates to an automatic welding apparatus, capable of stably controlling an area of a molten pool to be uniformed during a welding process by a relatively simple construction thereof. The automatic welding apparatus of the present invention comprises: a height control means which ascends and descends a welding torch with respect to a welding unit of a base material; a photographing means which photographs the molten pool of the welding unit; a control means which receives an image photographed from the photographing means to measure the area of the molten pool and controls the height control means based on the measured area, wherein the control means which causes the welding torch to ascend when the area of the molten pool is larger than a preset area, and descend when the area of the molten pool is smaller than a preset area; and a constant current supply means which supplies constant current such that the welding unit can be melted by generating an arc between the welding torch and the base material. 본 발명은 용접과정 중에 용융지의 면적을 균일하게 유지하는 제어가 비교적 간단한 구성에 의해 안정적으로 이루어질 수 있다. 본 발명은 모재의 용접부에 대하여 용접토치를 상승 및 하강시키는 높이조절수단과, 용접부의 용융지를 촬영하는 촬영수단과, 상기 촬영수단으로부터 촬영한 이미지를 전송받아 용융지의 면적을 산출하고 그 산출된 면적에 기초하여 높이조절수단을 제어하는 제어수단과, 상기 용접토치와 모재 사이에 아크가 발생하여 용접부의 용융이 이루어지도록 정전류를 공급하는 정전류공급수단을 포함하고, 상기 제어수단은 용융지의 면적이 설정면적보다 커지면 용접토치를 상승시키고, 용융지의 면적이 설정면적보다 작으면 용접토치를 하강시킨다.