Electric welding machine with protective device

The utility model discloses an electric welding machine with a protective device, which relates to the technical field of electric welding machines and comprises a support, a conveying disc is arranged on the support, a plurality of annularly distributed abutting blocks are fixedly connected onto the conveying disc, contact switches are in contact with the abutting blocks, a top plate is fixedly connected onto the support, and the top plate is fixedly connected onto the support. The top of the top plate is fixedly connected with an air cylinder, the output end of the air cylinder is slidably connected with the top plate, and the lower end of the output end of the air cylinder is fixedly connected with a welding device. Through the effect of the designed air cylinder, the output end of the air cylinder can drive the welding device to move downwards to weld a battery, the welding device can firstly drive the protective cover to move downwards before welding, the protective cover can cover the outer side of the