Binding machine for carton packaging

The invention relates to the technical field of strapping machines, in particular to a strapping machine for carton packaging, which comprises a strapping machine main body and a servo motor, an auxiliary mechanism is arranged at the front end of the strapping machine main body, the auxiliary mechanism comprises a discharging plate, three groups of first movable grooves are formed in the top end of the discharging plate, and a transmission bin is formed in the discharging plate; a cover plate is hinged to the top side of the rear end of the storage box, a fixing rod is connected to the inner wall of the front end of the storage box through an embedded bearing, and a fixing mechanism is arranged at the bottom end of the storage box. A user can conveniently arrange and clamp a paper box, the situation that the user needs to arrange the paper box again before bundling is avoided, the user needs to press the paper box again when bundling is facilitated, the workload of the user is reduced, the user is more conven