Apparatus for producing a staple fiber yarn

Abstract

In the case of an arrangement for producing staple fiber yarn that is first prespun on an air spinning machine and that subsequently is finish-spun on a simplified ring spinning machine, it is provided that the air spinning machine and the ring spinning machine, by means of a conveying device for the spools receiving the prespun yarn, are connected to form a machine system, the ring spinning machine of which and the air spinning machine of which each have a number of spinning points that are coordinated with one another.

We claim: 
     
       1. A compound machine arrangement for producing a staple fiber yarn that is prespun on an air spinning machine segment, the spinning units of which air spinning machine segment each containing a drafting frame, a pneumatic false-twisting nozzle, a withdrawal device and a wind-up device for winding up a spool with prespun yarn, said prespun yarn being subsequently finish-spun on a finish spinning machine segment having spinning units of which each contains at least one spool receiving device and a ring spindle, wherein the air spinning machine segment and the ring spinning machine segment are connected via a conveying device for spools receiving the prespun yarn to form a compound machine system, wherein the ring spinning machine segment and the air spinning segment each have a different number of spinning units (a,b) that are operatively coordinated with one another to produce the staple fiber yarn. 
     
     
       2. An arrangement according to claim 1, wherein the ring spinning machine segment has at least twice the number of spinning units (b) as does the machine for producing the feed spools. 
     
     
       3. An arrangement according to claim 1, wherein the machine segments are arranged in parallel to one another, and wherein a joint conveying device for the feed spools is provided that moves along both machine segments. 
     
     
       4. An arrangement according to claim 1, wherein the ring spinning machine segment has a number of spinning units (b) on each of opposite sides of the ring spinning machine segment. 
     
     
       5. An arrangement according to claim 4, wherein the conveying device extends in the center between rows of spinning units (b) of the ring spinning machine segment. 
     
     
       6. An arrangement according to claim 1, wherein the conveying device is designed as a continuously or step-by-step circulating intermediate storage device that intermediately stores the feed spools behind the air spinning machine segments which produces the feed spools. 
     
     
       7. An arrangement according to claim 1, wherein feed spool transfer devices are provided for automatically transferring feed spools from the air spinning machine segment to the conveying device. 
     
     
       8. An arrangement according to claim 7, wherein the feed spool transfer devices are developed as a travelling unit that can be moved along the air spinning machine segment. 
     
     
       9. An arrangement according to claim 1, wherein spool removal devices are provided for the automatic removal of the feed spools from the conveying device and for the automatic transfer to the ring spinning machine segment for finish-spinning. 
     
     
       10. An arrangement according to claim 9, wherein the spool removal devices are developed as one or several travelling units that can be moved along the ring spinning machine segment. 
     
     
       11. An arrangement according to claim 1, further comprising a rewinding machine segment for the rewinding of the staples fiber yarn, and a finish yarn conveying device for ring spun yarn spools, said rewinding machine segment being connected with the ring spinning machine segment via the finish yarn conveying device for the ring spun yarn spools to form an integral production unit together with the air spinning and ring spinning units. 
     
     
       12. An arrangement according to claim 11, wherein finish yarn transfer devices are provided for the automatic transfer of the ring spun yarn spools to the finish yarn conveying device. 
     
     
       13. An arrangement according to claim 12, wherein the finish yarn transfer devices are developed as travelling units that can be moved along the ring spinning machine segment. 
     
     
       14. An arrangement according to claim 11, wherein devices are provided for the automatic removal of the ring spun yarn spools and for the automatic transfer to the rewinding machine segment for the rewinding. 
     
     
       15. An arrangement according to claim 11, wherein a device is provided for returning empty tubes from the rewinding machine segment to the ring spinning machine segment for the finish-spinning. 
     
     
       16. An arrangement according to one of claim 1, wherein a device is provided for returning empty spool tubes from the ring spinning machine segment for finish-spinning to the air spinning machine segment for producing the feed spools. 
     
     
       17. An arrangement according to claim 1, wherein a simplified air spinning machine with a can creel is provided as the air spinning machine segment. .Iadd. 
     
     
       18.  A compound machine arrangement for producing a staple fiber yarn that is prespun on an air spinning machine segment, the spinning units of which air spinning machine segment each containing a drafting frame, a pneumatic false-twisting nozzle, a withdrawal device and a wind-up device for winding up a spool with prespun yarn, said prespun yarn being subsequently twisted on a subsequent twisting machine segment having units which each contains at least one spool receiving device and a spindle, wherein the air spinning machine segment and the subsequent twisting machine segment are connected via a conveying device for spools receiving the prespun yarn to form a compound machine system, wherein the subsequent twisting machine segment and the air spinning segment each have a different number of units (a,b) that are operatively coordinated with one another to produce the staple fiber yarn. .Iaddend. .Iadd.19. An arrangement according to claim 18, wherein the subsequent twisting machine segment has at least twice the number of units (b) as does the machine for producing the feed spools. .Iaddend. .Iadd.20. An arrangement according to claim 19, wherein said air spinning units each include means for producing a pair of prespun yarn components which are wound up side-by-side as double yarn on the spool with prespun yarn. .Iaddend. .Iadd.21. An arrangement according to claim 20, wherein the units of the subsequent twisting machine segments include double twist frame units for twisting the double yarn. .Iaddend. .Iadd.22. An arrangement according to claim 18, wherein the machine segments are arranged in parallel to one another, and wherein a joint conveying device for the feed spools is provided that moves along both machine segments. .Iaddend. .Iadd.23. An arrangement according to claim 18, wherein the subsequent twisting machine segment has a number of units (b) on each of opposite sides of the subsequent twisting machine segment. .Iaddend. 
     
     
        .Iadd.4.  An arrangement according to claim 23, wherein the conveying device extends in the center between rows of units (b) of the subsequent twisting machine segment. .Iaddend. .Iadd.25. An arrangement according to claim 18, wherein the conveying device is designed as a continuously or step-by-step circulating intermediate storage device that intermediately stores the feed spools behind the air spinning machine segments which produces the feed spools. .Iaddend. .Iadd.26. An arrangement according to claim 18, wherein feed spool transfer devices are provided for automatically transferring feed spools from the air spinning machine segment to the conveying device. .Iaddend. .Iadd.27. An arrangement according to claim 26, wherein the feed spool transfer devices are developed as a travelling unit that can be moved along the air spinning machine segment. .Iaddend. .Iadd.28. An arrangement according to claim 18, wherein spool removal devices are provided for the automatic removal of the feed spools from the conveying device and for the automatic transfer to the subsequent twisting machine segment for subsequent twisting. .Iaddend. .Iadd.29. An arrangement according to claim 28, wherein the spool removal devices are developed as one or several travelling units that can be moved along the subsequent twisting machine segment. .Iaddend. .Iadd.30. An arrangement according to claim 18, further comprising a rewinding machine segment for the rewinding of the subsequently twisted yarn, and a finish yarn conveying device for subsequently twisted yarn spools, said rewinding machine segment being connected with the subsequent twisting machine segment via the finish yarn conveying device for the subsequently twisted yarn spools to form an integral production unit together with the air spinning and subsequent twisting units. .Iaddend. .Iadd.31. An arrangement according to claim 30, wherein finish yarn transfer devices are provided for the automatic transfer of the subsequently twisted yarn spools to the finish yarn conveying device. .Iaddend. .Iadd.32. An arrangement according to claim 31, wherein the finish yarn transfer devices are developed as travelling units that can be moved along the subsequent twisting machine segment. .Iaddend. .Iadd.33. An arrangement according to claim 30, wherein devices are provided for the automatic removal of the subsequently twisted yarn spools and for the automatic transfer to the rewinding machine segment for the rewinding. .Iaddend. .Iadd.34. An arrangement according to claim 30, wherein a device is provided for returning empty tubes from the rewinding machine segment to the subsequent twisting machine segment for the subsequent twisting. .Iaddend. .Iadd.35. An arrangement according to claim 18, wherein a device is provided for returning empty spool tubes from the subsequent twisting machine segment to the air spinning machine segment for producing the feed spools. .Iaddend. .Iadd.36. An arrangement according to claim 18, wherein a simplified air spinning machine with a can creel is provided as the air 
     
     
        spinning machine segment. .Iaddend. .Iadd.37.  An arrangement according to claim 18, wherein said air spinning units each include means for producing a pair of prespun yarn components which are wound up side-by-side as double yarn on the spool with prespun yarn. .Iaddend. .Iadd.38. An arrangement according to claim 37, wherein the units of the subsequent twisting machine segments include double twist frame units for twisting the double yarn. .Iaddend. .Iadd.39. An arrangement according to claim 38, wherein feed spool transfer devices are provided for automatically transferring feed spools from the air spinning machine segment to the conveying device. .Iaddend. .Iadd.40. An arrangement according to claim 18, wherein feed spool transfer devices are provided for automatically transferring feed spools from the air spinning machine segment to the 
     
     
        conveying device. .Iaddend. .Iadd.41.  A compound machine arrangement for producing a staple fiber yarn that is prespun on a first spinning machine segment, the spinning units of which first spinning machine segment each containing first twisting means, a withdrawal device and a wind-up device for winding up a feed spool package with prespun yarn, said prespun yarn being subsequently twisted on a subsequent twisting machine segment having units which each contain at least one feed spool package receiving device and a spindle, wherein the first spinning machine segment and the subsequent twisting machine segment are connected via a conveying device for the feed spool packages to form a compound machine system, wherein the subsequent twisting machine segment and the first spinning machine segment each have a different number of units (a,b) that are operatively coordinated with one another to produce the staple fiber yarn, and wherein the subsequent twisting machine segment has at least twice the number of units (b) as does the first twisting machine segment for producing the feed spool packages. .Iaddend. .Iadd.42. An arrangement according to claim 41, wherein the machine segments are arranged in parallel to one another, and wherein a joint conveying device for the feed spool packages is provided that moves along both machine segments. .Iaddend. .Iadd.43. An arrangement according to claim 41, wherein the subsequent twisting machine segment has a number of units (b) on each of opposite sides of the subsequent twisting machine segment. .Iaddend. .Iadd.44. An arrangement according to claim 41, wherein the first spinning machine segment is an air spinning machine segment which produces the feed spool packages, wherein the conveying device is designed as a continuously or step-by-step circulating intermediate storage device that intermediately stores the feed spool packages behind the air spinning machine segment which produces the feed spool packages. .Iaddend.   
     
     
        .Iadd.     An arrangement according to claim 41, wherein feed spool package transfer devices are provided for automatically transferring feed spool packages from the first spinning machine segment to the conveying device. .Iaddend. .Iadd.46. An arrangement according to claim 45, wherein the feed spool package transfer devices are developed as a travelling unit that can be moved along the first spinning machine segment. .Iaddend. .Iadd.47. An arrangement according to claim 41, wherein feed spool package removal devices are provided for the automatic removal of the feed spool packages from the conveying device and for the automatic transfer to the subsequent twisting machine segment for subsequent twisting. .Iaddend. .Iadd.48. An arrangement according to claim 47, wherein the feed spool package removal devices are developed as one or several travelling units that can be moved along the subsequent twisting machine segment. .Iaddend. .Iadd.49. An arrangement according to claim 41, wherein a device is provided for returning empty spool tubes from the subsequent twisting machine segment to the first spinning machine segment for producing the feed spool packages. .Iaddend. .Iadd.50. An arrangement according to claim 41, wherein said spinning units of the first spinning machine segment each include means for producing a pair of prespun yarn components which are wound up side-by-side as double yarn on the feed spool packages with 
     
     
        prespun yarn. .Iaddend. .Iadd.51.  An arrangement according to claim 50, wherein the units of the subsequent twisting machine segment include double twist frame units for twisting the double yarn. .Iaddend. .Iadd.52. An arrangement according to claim 41, wherein feed spool package transfer devices are provided for automatically transferring feed spool packages from the first spinning machine segment to the conveying device. .Iaddend. .Iadd.53. A compound machine arrangement for producing a staple fiber yarn that is prespun on a first spinning machine segment, the spinning units of which first spinning machine segment each containing first twisting means, a withdrawal device and a wind-up device for winding up a feed spool package with prespun yarn, said prespun yarn being subsequently twisted on a subsequent twisting machine segment having units which each contain at least one feed spool package receiving device and a spindle, wherein the first spinning machine segment and the subsequent twisting machine segment are connected via a conveying device for the feed spool packages to form a compound machine system, wherein the subsequent twisting machine segment and the first spinning machine segment each have a different number of units (a,b) that are operatively coordinated with one another to produce the staple fiber yarn, wherein the subsequent twisting machine segment has a number of units (b) on each of opposite sides of the subsequent twisting machine segment, and   wherein the conveying device extends in the center between rows of units   
     
     
        (b) of the subsequent twisting machine segment. .Iaddend. .Iadd.54.  A compound machine arrangement for producing a staple fiber yarn that is prespun on a first spinning machine segment, the spinning units of which first spinning machine segment each containing first twisting means, a withdrawal device and a wind-up device for winding up a feed spool package with prespun yarn, said prespun yarn being subsequently twisted on a subsequent twisting machine segment having units which each contain at least one feed spool package receiving device and a spindle, wherein the first spinning machine segment and the subsequent twisting machine segment are connected via a conveying device for the feed spool packages to form a compound machine system, wherein the subsequent twisting machine segment and the first spinning machine segment each have a different number of units (a,b) that are operatively coordinated with one another to produce the staple fiber yarn, further comprising a rewinding machine segment for the rewinding of the subsequently twisted yarn, and a finish yarn conveying device for subsequently twisted yarn spools, said rewinding machine segment being connected with the subsequent twisting machine segment via the finish yarn conveying device for the subsequently twisted yarn spools to form an integral production unit together with the first spinning machine segment   
     
     
        and subsequent twisting machine segment. .Iaddend. .Iadd.55.  An arrangement according to claim 54, wherein finish yarn transfer devices are provided for the automatic transfer of the subsequently twisted yarn spools to the finish yarn conveying device. .Iaddend. .Iadd.56. An arrangement according to claim 55, wherein the finish yarn transfer devices are developed as travelling units that can be moved along the subsequent twisting machine segment. .Iaddend. .Iadd.57. An arrangement according to claim 54, wherein devices are provided for the automatic removal of the subsequently twisted yarn spools and for the automatic transfer to the rewinding machine segment for the rewinding. .Iaddend. .Iadd.58. An arrangement according to claim 54, wherein a device is provided for returning empty tubes from the rewinding machine segment to the subsequent twisting machine segment for the subsequent twisting. .Iaddend. .Iadd.59. A compound machine arrangement for producing a staple fiber yarn that is prespun on a first spinning machine segment, the spinning units of which first spinning machine segment each containing first twisting means, a withdrawal device and a wind-up device for winding up a feed spool package with prespun yarn, said prespun yarn being subsequently twisted on a subsequent twisting machine segment having units which each contain at least one feed spool package receiving device and a spindle, wherein the first spinning machine segment and the subsequent twisting machine segment are connected via a conveying device for the feed spool packages to form a compound machine system, wherein the subsequent twisting machine segment and the first spinning machine segment each have a different number of units (a,b) that are operatively coordinated with one another to produce the staple fiber yarn, and wherein said spinning units of the first spinning machine segment each include means for producing a pair of prespun yarn components which are wound up side-by-side as double yarn on the feed spool package with prespun yarn. .Iaddend. .Iadd.60. An arrangement according to claim 59, wherein the units of the subsequent twisting machine segment include double twist frame units for twisting the double yarn. .Iaddend. .Iadd.61. An arrangement according to claim 60, wherein feed spool transfer devices are provided for automatically transferring feed spool packages from the first spinning machine segment to the conveying device. .Iaddend.