Field welding equipment for prefabricated modular cabin

According to the technical scheme, the field welding equipment comprises a supporting frame, an inner fixing plate is arranged in the supporting frame, a welding table is fixedly arranged at the top of the supporting frame, sliding side plates are fixedly arranged on the two sides of the inner fixing plate correspondingly, and the two sliding side plates are slidably connected with the inner side wall of the supporting frame; a dust collection box is arranged on one side of the dust collection cavity, and a welding workbench mechanism is arranged on the top of the dust collection cavity. The welding table mechanism comprises a connecting pipe, the connecting pipe is fixedly arranged at the top of the dust collecting cavity, a bottom shell is fixedly arranged at the top of the connecting pipe, a collecting shell is fixedly arranged at the top of the bottom shell, and the collecting shell is fixedly arranged at the bottom of the welding table. The automation and modularization degree is high, personal safety ca