Welding workbench for pipeline machining

The invention discloses a welding workbench for pipeline machining, and relates to the technical field of welding workbenches, the welding workbench comprises a workbench body, supporting seats are fixedly connected to the two sides of the workbench body, an equipment frame is fixedly connected to the rear side of the top surface of the workbench body, and a control panel is fixedly connected to the rear side of the equipment frame; a guide rail is fixedly connected to the inner side of the equipment frame, a sliding block is slidably connected to the guide rail, a first fixing block is fixedly connected to the sliding block, a first telescopic air cylinder is fixedly connected to the bottom end of the first fixing block, and the bottom end of the first telescopic air cylinder is fixedly connected to a second fixing block. One side of the second fixing block is fixedly connected to the equipment frame, and the sliding block is fixedly connected with a pair of arm rods. The pipeline fixing device is reasonable