Alignment tool for pipeline welding

The utility model discloses an alignment tool for pipeline welding, which comprises a turntable mounting bracket (1), the upper part of the turntable mounting bracket (1) is fixedly provided with a mounting shaft (2) which is arranged along the horizontal direction, the mounting shaft (2) is rotatably provided with a positioning disc assembly, the positioning disc assembly is provided with a plurality of pipeline alignment positioning pipes (3), and the pipeline alignment positioning pipes (3) are arranged on the turntable mounting bracket (1). And a positioning pin shaft (4) is also arranged on the turntable mounting bracket (1). According to the utility model, pipelines can be aligned, the concentricity is ensured, the welding quality is improved, and the problems of blockage and abrasion are solved. 本实用新型公开了一种用于管道焊接的对正工装，包括转盘安装支架(1)，所述转盘安装支架(1)的上部固定安装有沿水平方向布置的安装轴(2)，所述安装轴(2)上转动安装有定位盘组件，所述定位盘组件上安装有多个管道对正定位管(3)，所述转盘安装支架(1)上还设有定位销轴(4)。本实用新型能够使管道对正，保证同心度，提高焊接质量，解决堵塞和磨损问题。