Portable type automatic submerged-arc welding machine

The utility model discloses a portable type automatic submerged-arc welding machine. The portable type automatic submerged-arc welding machine comprises a mounting base, wherein a machine body is rotationally mounted on the mounting base; a circumferential driving device is arranged between the mounting base and the machine body; the machine body is connected with a cross beam capable of performing transverse reciprocating sliding; a transverse driving device is arranged between the machine body and the cross beam; the cross beam is connected with a stand column capable of performing longitudinal reciprocating sliding; a longitudinal driving device is arranged between the cross beam and the stand column; the stand column is connected with a swinging device which is connected with a welding nozzle. The portable type automatic submerged-arc welding machine is light in weight and convenient to carry, facilitates improvement of the welding work efficiency and welding quality, can reduce human body injury caused by toxic gas produced in a welding process, reduces the labor intensity of a worker, and is particularly suitable for automatic welding of flanges of equipment such as a large pressure vessel and the like.