Catching apparatus and method for a rapier weaving machine

Abstract

A catching device ( 1 ) for holding an inserted weft thread in a rapier weaving machine having at least one rapier ( 6 ), which is movable along a rapier track ( 6 a ), includes a holding channel ( 5 ) which can be mounted in a stationary manner on the rapier weaving machine in order to take up a thread end of the inserted weft thread ( 9 ) and to hold it. In addition, the catching device includes a deflection nozzle ( 3 ) which can be mounted in stationary manner on the rapier weaving machine in order to deflect the thread end of the inserted weft thread to the holding channel ( 5 ).

1 . A catching device for holding an inserted weft thread in a rapier weaving machine having at least one rapier ( 6 ) which is movable along a rapier track ( 6   a ), said catching device ( 1 ) including a holding channel ( 5 ) which can be mounted in a stationary manner on the rapier weaving machine in order to take up a thread end of the inserted weft thread ( 9 ) and to hold it, characterized in that the catching device additionally includes a deflection nozzle ( 3 ) which can be mounted in stationary manner on the rapier weaving machine, in particular a deflection nozzle having a cyclically pulsed blowing flow in order to deflect the thread end of the inserted weft thread to the holding channel ( 5 ). 
   
   
       2 . A catching device in accordance with  claim 1 , wherein the holding channel ( 5 ) is designed for connection to a suction line. 
   
   
       3 . A catching device in accordance with  claim 1 , including in addition fastener elements ( 7 . 1 ,  7 . 1 ′,  7 . 1 ″,  7 . 2 ) in order to mount the holding channel ( 5 ) and the deflection nozzle ( 3 ) in the region of the rapier track ( 6   a ) in particular on opposite sides of the rapier track. 
   
   
       4 . A catching device in accordance with  claim 1 , wherein the deflection nozzle ( 3 ) can be mounted so that a blowing flow ( 4 ) of the same is directed transverse to the rapier track ( 6   a ). 
   
   
       5 . A catching device in accordance with  claim 1 , wherein the deflection nozzle ( 3 ) and the holding channel ( 5 ) can be mounted in such a way that the blowing flow ( 4 ) of the deflection nozzle is partly or fully taken up by the holding channel. 
   
   
       6 . A method for the holding of an inserted weft thread in a rapier weaving machine having a shed and at least one rapier ( 6 ) which inserts the weft thread along a rapier track ( 6   a ) into the shed, in which method the inserted weft thread ( 9 ) is released by the rapier and a thread end of the inserted weft thread is taken up and held by a holding channel arranged in a stationary manner on the rapier weaving machine, characterized in channel arranged in a stationary manner on the rapier weaving machine, characterized in that the thread end of the inserted weft thread is deflected to the holding channel ( 5 ) by means of a deflection nozzle ( 3 ) which is arranged in stationary manner on the rapier weaving machine. 
   
   
       7 . A method in accordance with  claim 6 , in which a blowing flow ( 4 ) transverse to the rapier track ( 6   a ) is produced by means of the deflection nozzle ( 3 ). 
   
   
       8 . A method in accordance with  claim 6 , in which the thread end of the inserted weft thread ( 9 ) is blown by means of a blowing flow ( 4 ) of the deflection nozzle ( 3 ) into the holding channel ( 5 ). 
   
   
       9 . A method in accordance with  claim 6 , in which the thread end of the inserted weft thread ( 9 ) is held by means of a blowing flow and/or suction flow in the holding channel ( 5 ). 
   
   
       10 . A rapier weaving machine comprising a catching device in accordance with  claim 1 . 
   
   
       11 . A rapier weaving machine adapted to carry out a method in accordance with  claim 5 .