Fabricated high-speed rail box girder steel bar binding die

The utility model discloses an assembly type high-speed rail box girder steel bar binding die. The stair comprises a stair, a walking plate and reinforcing steel bar binding table supporting frames on the two sides, the reinforcing steel bar binding table supporting frame on each side comprises a reinforcing steel bar binding table supporting frame I and a reinforcing steel bar binding table supporting frame II which are connected into a whole through bolts, the walking plate is divided into multiple sections, and each section of walking plate is connected with the corresponding reinforcing steel bar binding table supporting frame I through bolts; the inner side surfaces of the reinforcing steel bar binding table supporting frames on the two sides are connected with a plurality of longitudinal side face reinforcing steel bar positioning devices and a plurality of transverse side face reinforcing steel bar positioning devices through bolts. A bottom-layer bottom plate reinforcing steel bar positioning device c