Machining tool of boiler film type wall tube screen for bending rows of products

The utility model provides a machining tool of a boiler film type wall tube screen for bending rows of products. The machining tool consists of a plurality of side models, a plurality of middle movable models, a plurality of movable model base plates and a plurality of connecting blocks, wherein the upper side and the lower side of each middle movable model are respectively provided with one side model, the middle movable models are bended to be a plurality of semicircular grooves by a plurality of half steel tubes and overlapped on the connecting blocks in parallel, the connecting blocks are connected with the movable model base plates, and the side models are further provided with the half steel tubes which are bended to be the semicircular grooves in parallel correspondingly. The connecting blocks are arranged between the middle movable models and the middle movable model base plates, and the thickness of one end of each connecting block which is connected with the semicircular grooves is not more than the