Square and rectangular tube machining equipment

The invention relates to square and rectangular pipe machining equipment, in particular to the technical field of square and rectangular pipe welding, which comprises a welding machine table, a main portal frame is arranged in the middle of the top of the welding machine table, two groups of auxiliary portal frames are symmetrically arranged on two sides of the top of the welding machine table, and a supporting base is arranged in the middle of the bottom end of the welding machine table. A driving displacement mechanism is arranged outside the supporting base, a machining unit is arranged at the top of the driving displacement mechanism, and a servo motor in shaft connection with the machining unit is arranged on the outer side of the driving displacement mechanism; according to the square and rectangular pipe machining equipment, the multiple sets of rotating clamping mechanisms matched with one another are arranged, the functions of alternately positioning, clamping and overturning square and rectangular p