Reinforcing steel bar machining device and tunnel reinforcing steel bar structure

The utility model discloses a reinforcing steel bar processing device and a tunnel reinforcing steel bar structure, the reinforcing steel bar processing device comprises a processing platform, a connecting sleeve and a cold extruding machine, the processing platform is arranged on a mounting surface, the processing platform is defined to extend along a first direction, and a secondary lining reinforcing steel bar is arranged on the processing platform and can move along the first direction; the connecting sleeve is arranged between the two secondary lining steel bars, and the adjacent ends of the two adjacent secondary lining steel bars are inserted into the connecting sleeve; the cold extruding machine is arranged on the mounting face and used for extruding the connecting sleeve so that the two adjacent secondary lining steel bars can be connected. By arranging the machining platform, the secondary lining steel bars can move on the machining platform, an operator can conveniently connect the adjacent seconda