Stainless steel pipe positioning jig

The utility model discloses a stainless steel pipe positioning jig which comprises a machine frame, a left positioning moving mechanism is fixed to the left portion of the top face of a top plate of the machine frame, and a left supporting rod is installed in the middle of a middle moving plate of the left positioning moving mechanism. And a bottom through groove extending front and back is formed in the top surface of the top plate of the rack on the right side of the left positioning moving mechanism. A right fixing frame is fixed to the position, on the right side of the bottom through groove, of the top face of the top plate of the rack, a mounting through groove penetrating left and right is formed in the middle of the right fixing frame, an arc-shaped groove is formed in the middle of the bottom face of the mounting through groove, and a pressing plate is arranged in the middle of the mounting through groove. And the stainless steel pipe is clamped between the pressing plate and the bottom surface of th