Three-dimensional punching device of long profile processing production line

The utility model discloses a three-dimensional punching device of a long profile machining production line, and relates to the technical field of long profile machining production lines. The device comprises a rack, a supporting plate is horizontally fixed to the upper portion of the rack. A pair of machining tables is fixed to the upper surface of the supporting plate side by side. Portal frames are vertically fixed to the two opposite sides of the machining table. A first punching assembly is vertically arranged above the machining table. The two first punching assemblies are connected through a first adjusting assembly. The first punching assembly is arranged on the portal frame in a sliding mode. The other two opposite sides of the machining table are each provided with a second punching assembly. The two second punching assemblies located on the same side are connected through a vertically-arranged bearing plate. The two bearing plates are connected through a second adjusting assembly. The profile machi