| 摘要 |
The present invention relates to a rotary welding device. The rotary welding device can join one end of a circular tube to a circular through hole formed on a tube sheet by welding, and comprises: a frame: a rotary unit comprising a first rotary member to rotate about a first middle shaft relative to the frame; a welding unit which directly performs welding between the tube and the tube sheet, and is mounted on the first rotary member to rotate about the first middle shaft; and a position fixing member mounted on an end of the first rotary member and detachably mounted on one end of the tube to fix a position thereof. According to the present invention, automatic welding can be carried out quickly while the first rotary member which is a rotational center of the welding unit is stably fixed on the tube which is a target welding object. |
