Construction steel bar positioning device

The utility model discloses a building steel bar positioning device which comprises a positioning plate, a distance adjusting assembly is arranged behind the positioning plate, the distance adjusting assembly comprises a two-way lead screw, a first movable block, a second movable block and a supporting rod, the two-way lead screw is rotationally installed on the outer wall of the rear end of the middle positioning plate, and the two-way lead screw is rotationally installed on the outer wall of the rear end of the middle positioning plate. And a first movable block and a second movable block are in threaded sleeve connection with opposite screw threads at the two ends of the two-way screw rod respectively. The device solves the problem that a first movable block and a second movable block can be controlled to synchronously slide in the direction away from each other by manually controlling a bidirectional lead screw to rotate at present, and a left positioning plate and a right positioning plate can be pushed