Cleaner for fiber bundle feeder in fore-spinning frame

Abstract

A cleaner for a fiber bundle feeder, which nips and discharges a strip of fiber bundle with a top roller and a bottom roller, in a fore-spinning frame includes a support member located above the top roller and a tubular clearer having an inner diameter that is greater than an outer diameter of the support member. The tubular clearer is rotatable around the support member by the top roller such that the tubular clearer is located at a position where the tubular clearer is in contact with the top roller and a position where the tubular clearer is separated from the top roller. The tubular clearer is configured to block a fiber. A suction unit is configured to draw in the fiber that has been blocked by the tubular clearer.

1 . A cleaner for a fiber bundle feeder in a fore-spinning frame, wherein the fiber bundle feeder nips and discharges a strip of fiber bundle with a top roller and a bottom roller, the cleaner comprising:
 a support member located above the top roller;   a tubular clearer having an inner diameter that is greater than an outer diameter of the support member, wherein the tubular clearer is rotatable around the support member by the top roller such that the tubular clearer is located at a position where the tubular clearer is in contact with the top roller and a position where the tubular clearer is separated from the top roller, and the tubular clearer is configured to block a fiber; and   a suction unit configured to draw in the fiber that has been blocked by the tubular clearer.   
     
     
         2 . The cleaner for a fiber bundle feeder in a fore-spinning frame according to  claim 1 , wherein the tubular clearer is made of rubber. 
     
     
         3 . The cleaner for a fiber bundle feeder in a fore-spinning frame according to  claim 1 , wherein
 the top roller is one of a plurality of top rollers including a turning top roller, and   the tubular clearer is arranged at a position corresponding to at least the turning top roller.   
     
     
         4 . The cleaner for a fiber bundle feeder in a fore-spinning frame according to  claim 1 , wherein
 the tubular clearer includes a circumferential surface including frictional force variation structures that are located in random positions, and   the frictional force variation structures are configured to vary frictional force between the tubular clearer and the top roller during the rotation of the tubular clearer.   
     
     
         5 . The cleaner for a fiber bundle feeder in a fore-spinning frame according to  claim 4 , wherein the frictional force variation structures include openings or projections. 
     
     
         6 . The cleaner for a fiber bundle feeder in a fore-spinning frame according to  claim 1 , wherein the tubular clearer is configured to block passage of the fiber between the tubular clearer and the top roller when the tubular clearer contacts the top roller, and the tubular clearer is configured to allow passage of the fiber between the tubular clearer and the top roller when the tubular clearer is not in contact with the top roller.