Welding platform for sheet metal part machining

The utility model relates to the technical field of sheet metal machining, in particular to a welding platform for sheet metal part machining, which comprises a supporting frame and a supporting frame, the lower end of the inner side of the supporting frame is rotatably connected with a rotating frame, the inner side of the rotating frame is slidably connected with a lifting platform, and the outer side of the inner part of the upper end wall of the lifting platform is rotatably connected with a first threaded shaft; a first bevel gear set can drive the first threaded shaft to rotate through rotation of a first motor, so that the clamping frame is made to move, an adjusting screw can drive a lifting clamping plate to move up and down through rotation of a rotary disc, and the clamping frame is made to move up and down. According to the sheet metal part welding device for the refrigerator or the washing machine, the lifting clamping plates can clamp the side edges of sheet metal parts which are transversely pl