Thread rolling machine for construction steel bars

The invention discloses a construction steel bar thread rolling machine, and relates to the technical field of steel bar machining equipment. The thread rolling device comprises a rack, a mounting plate is slidably arranged at one end of the rack, a driving motor is arranged on the mounting plate, and a thread rolling head is arranged on an output shaft of the driving motor; the bearing plate is rotationally arranged on the rack, and a door-shaped frame is arranged on the bearing plate; according to the reinforcing steel bar clamping device, a first stroke wheel and two second stroke wheels can flexibly clamp a reinforcing steel bar, the position of the reinforcing steel bar can be adjusted through horizontal sliding during flexible clamping, the direction of the reinforcing steel bar can be adjusted in cooperation with rotation of a bearing plate, V-shaped plates on two clamping plates can rigidly clamp and fix the reinforcing steel bar, the reinforcing steel bar clamping and fixing stability is ensured, and