Rotary die mechanism

The invention discloses a rotating die mechanism which comprises a reduction gearbox body, a worm gear is installed in the reduction gearbox body, a worm meshed with the worm gear is further installed in the reduction gearbox body, and the tooth thickness of the worm is gradually increased in one direction. A second bearing sleeve is installed at the end, located on the worm, of the reduction gearbox body, a base plate is detachably installed between the second bearing sleeve and the reduction gearbox body, a blank cap is installed on the side, away from the reduction gearbox body, of the second bearing sleeve, and a second bearing is installed between the second bearing sleeve and the worm. A first bearing sleeve is installed at the position, located at the other end of the worm, of the reduction gearbox body, a gland is installed on the side, away from the reduction gearbox body, of the first bearing sleeve, the worm penetrates through the gland, and a first bearing is installed between the first bearing sl