Welding accessory for enamel plate

The utility model discloses a welding fitting for an enamel plate, which is characterized in that two second flanges are parallel to each other and are distributed at an interval along an x-axis, and the length of each second flange extends along a z-axis direction; the second panel is located between the two second turned-over edges, the second panel is integrally connected to the same ends of the two second turned-over edges, and the second panel and the two second turned-over edges are connected to form a U-shaped through groove structure, so that the connecting part of each second turned-over edge and the second panel is limited to be a bent part; a reinforcing convex rib is integrally formed on the second panel, the length of the reinforcing convex rib extends in the x-axis direction, the two ends of the reinforcing convex rib extend to the two bent positions in a one-to-one correspondence mode, and meanwhile the reinforcing convex rib protrudes in the groove direction of the U-shaped through groove stru