Surrounding welding device for large circular pipe fittings

Abstract

The invention provides a surrounding welding device for large circular pipe fittings. The surrounding welding device comprises a positioning tool, a cooling device and a rotating welding device. The positioning tool comprises a positioning rack which is slidably connected to a sliding frame. The cooling device comprises a cooling box, and the sliding frame is arranged on the cooling box. A coolingtank is arranged between the cooling box and the positioning rack. A supporting strip is arranged in the cooling tank, and a dial is arranged on the sliding frame. A limiting block is arranged on thesliding frame, and a plurality of positioning supports are arranged on the positioning rack. A transverse moving device is arranged on the positioning rack, and a welding device is arranged on one side of the positioning rack. The welding device is mounted on a spindle, and the spindle is driven by a gear motor to rotate. A transparent protective cover is arranged on the outer side of the positioning rack, and a device is externally welded to the transparent protective cover. According to the surrounding welding device, the welding efficiency and quality of the large pipe fittings are improved.

Description

technical field [0001] The invention relates to the technical field of circular pipe fitting welding equipment, in particular to a surrounding welding device for large pipe fittings. Background technique [0002] Large-scale round pipe fittings are widely used in pipes and outer shells, but large-scale round pipe fittings have a long processing cycle, especially when welding and assembling, large-scale round pipe fittings are often inconvenient to move and position during welding. At the same time, the concentricity is not high, the weld seam is not neat, and the welding device can only be used to weld the outer ring of the round pipe. After welding, it cannot be cooled quickly, which is easy to cause heat accumulation, low cooling efficiency, and inconvenient transfer. Contents of the invention [0003] (1) Solved technical problems [0004] Aiming at the deficiencies of the prior art, the present invention provides a surrounding welding device for large round pipe fitti...

AI Technical Summary

Problems solved by technology

[0002] Large-scale round pipe fittings are widely used in pipes and outer shells, but large-scale round pipe fittings have a long processing cycle, especially when welding and assembling, large-scale round pipe fittings are often inconvenient to move and position during welding. The concentricity is not high, the welding seam is not neat, and the welding device can only be used to weld the outer ring of the round pipe. After welding, it cannot be cooled quickly, which is easy to cause heat accumulation, low cooling efficiency, and inconvenient for transportation.

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