Grid with firm welding points

The utility model discloses a grid with firm welding points, and relates to the technical field of building components. Longitudinal lacing wire strips and transverse lacing wire strips are welded in a crossed mode to form grids, and welding blocks are arranged at the crossed points. The welding block is square; the welding block is formed by welding an upper connecting piece and a lower connecting piece into a whole in a wedge-shaped mode, the longitudinal lacing wire strips and the transverse lacing wire strips are of a composite structure, reinforcing ribs made of steel wires are arranged in the center of the composite structure, the steel wires are crossed to form a net-shaped structure, and the periphery of the composite structure is wrapped with a layer of outer skin made of polyethylene plastic. The lower surface of the upper connecting sheet is provided with an upper wedge shape and an upper wedge-shaped insertion hole; the upper surface of the lower connecting piece is provided with a lower wedge and