Tape spool seals unit of smashing that sweeps

The utility model discloses a tape spool seals unit of smashing that sweeps, including breaker and bearing seal purge system. The breaker includes breaker cavity, motor, rotation axis and two bearingframes, the rotation axis passes through bearing saddle establishes on the breaker cavity, the rotation axis is connected the motor. Bearing seal purge system includes sealing member and gas circuit system, every be equipped with between bearing frame and the breaker cavity the sealing member, the gas circuit headtotail the sealing member, the sealing member includes skeleton oil blanket and bearing seal apron, the skeleton oil blanket sets up in the bearing seal apron, the gas circuit system is passed the bearing seal is lapped and is connected the skeleton oil blanket. Bearing seal purge system will be in right amount fits the sweeping gas body warp beam of pressing and stretches the gap and blow in the breaker cavity, simultaneously, through blockking of skeleton oil blanket, avoided the internal flow of the ex