Semi-continuous spinning machine accessory

The utility model discloses a semi-continuous spinning machine accessory, in particular to a waste silk bin for a spinning machine. The utility model is characterized in that the waste silk bin not only comprises a bin body but also comprises a handle shaft which is arranged on the outer side of the sealing end of the bin body, and the handle shaft is sleeved with a handle capable of rotating around the handle shaft; and the bin body is sleeved on a disacidifying roller below the spinning machine, and the inner diameter of the bin body is adapted to the outer diameter of the disacidifying roller. The semi-continuous spinning machine accessory can prevent the scratching of the disacidifying roller, reduce filament produced by the disacidifying roller and silk wool knots produced by the entry of short filament to a centrifugal cylinder, prevent harm to an operator, shorten the silk falling time, reduce the waste silk rate, prolong the service life of the disacidifying roller, is simple and safe to operate and c