Accurate positioning device for square rod

The utility model discloses a square rod accurate positioning device which comprises a bottom frame, cover plates are arranged on the two sides of the upper end face of the bottom frame, chain wheel assemblies are arranged at the bottoms of the cover plates, a plurality of square rod group plates are arranged above the position between the chain wheel assemblies of the bottom frame, and a pair of flitch plates is arranged at the tail of the bottom frame. A first air cylinder is arranged on the outer side end face of the flitch, an adjustable top plate is arranged at the top of the first air cylinder, a baffle is arranged at the tail of the upper end face of the top plate, a second air cylinder is arranged at the head of the upper end face of the top plate, an adjustable clamping plate is arranged at the head of the second air cylinder, and the square rod group plate is located between the baffle and the clamping plate. According to the accurate square rod positioning device, the flitch and the air cylinders a