Special fixture for machining elbows

The utility model discloses a special clamp for machining a bent pipe. Wherein the net rack is formed by crossly connecting a plurality of flat irons which are horizontally arranged and flat irons which are vertically arranged; circular rings are arranged at the cross connection positions of the flat iron in the net rack, U-shaped fasteners are arranged between the adjacent circular rings on the net rack, the two ends of each U-shaped fastener are inserted into the two adjacent circular rings, the bent pipe is clamped between the U-shaped fasteners and the net rack, and the two ends of each U-shaped fastener are further connected with nuts through threads. The utility model has the beneficial effects that before the bent pipe is processed, the posture of the bent pipe can be adjusted and fixed on the special clamp for processing the bent pipe, and the square net rack is regular in shape, easy to adjust in position and good in stability, so that the processing efficiency of the bent pipe is greatly improved. 本