Multi-head rotary welding machine for cement grinding disc

The utility model relates to the technical field of cement grinding disc welding, and discloses a multi-head rotary welding machine for a cement grinding disc, which comprises a welding table, the top end of the welding table is fixedly connected with a welding frame, the lower part of the welding table is fixedly connected with an electric push rod, and an output shaft of the electric push rod extends to the upper part of the welding table. A mounting plate is fixedly connected to the top end of an output shaft of the electric push rod, a limiting assembly is fixedly connected to the top end of the mounting plate, a connecting block is fixedly connected to the bottom end of the welding frame, a welding plate is rotatably connected to the bottom end of the connecting block, and a transmission assembly is fixedly connected to the top end of the welding frame; the bottom end of the welding plate is fixedly connected with a linear sliding rail, and the bottom end of the moving end of the linear sliding rail is f