The present invention discloses a firearm foil conveying device comprising a roller shaft, a bearing seat, a screw electric roller and a main motor. The bearing seat is equipped with a roller shaft, the roller shaft is equipped with a screw electric roller, and one end of the roller shaft is connected to the turbine shaft through a belt pulley and a belt. The turbine shaft is equipped with magnetic clutch and turbine, the main motor drives the master slave electric shaft through the chain sprocket and chain, and the master slave electric shaft rotates the worm. The worm rotates the turbine shaft and the belt pulley of the turbine shaft, the belt pulley drives the belt, and the belt drives the screw transmission roller. The magnetic clutch is mounted on the turbine shaft and controlled by a current control table.
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