Purpose -built welding module of locking welded pipe weld width size

The utility model relates to a purpose -built welding module of locking welded pipe weld width size. This product includes module component base member, module component base member contains annular lubrication groove at least, purpose -built welding mould and cooling design groove, the annular lubrication groove has import of annular lubrication groove wire rod and the export of annular lubrication groove wire rod, purpose -built welding mould includes diaphragm capsule and the cooling glomerocryst drawing die that has the water -cooling water route, purpose -built welding mould has import of purpose -built welding loft material and the export of purpose -built welding loft material, cooling design groove is including the import of cooling design line of rabbet joint material, the export of cooling design line of rabbet joint material, gelatineous cooling and lubrication agent and wire drawing stock mould, the wire drawing stock mould has import of wire drawing stock mould wire rod and the export of wire drawing stock mould wire rod. This product can be guaranteed welded pipe production and go on smoothly, and guarantee the overall dimension's (containing the out -of -roundness) of welded pipe accuracy requirements for quality.