Machining device of pipe intersecting line

The utility model relates to a machining device of a pipe intersecting line. The machining device comprises an upper pressing plate and a lower carrying plate which are in threaded connection through a stud, a nut is arranged on the top portion of the stud, and a flat gasket is arranged between the nut and a top face of the pressing plate. A base plate is arranged at the bottom end of the lower carrying plate, and the bottom of the stud penetrates through the lower carrying plate to be in threaded connection with the base plate. A circular protrusion is arranged at the bottom end of the base plate, and a first threaded hole is respectively arranged at corners of a top face of the base plate. A second threaded hole is respectively arranged at corners of a top face of the upper pressing plate, a first V-shaped groove is arranged on the middle portion of the bottom face of the upper pressing plate, a third threaded hole is respectively arranged at corners of a top face of the lower carrying plate, and a second V