US3810352A - Automatic yarn piecing apparatus for a continuous ringless spinning machine and method of using same - Google Patents

Automatic yarn piecing apparatus for a continuous ringless spinning machine and method of using same Download PDF

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Publication number
US3810352A
US3810352A US00012308A US1230870A US3810352A US 3810352 A US3810352 A US 3810352A US 00012308 A US00012308 A US 00012308A US 1230870 A US1230870 A US 1230870A US 3810352 A US3810352 A US 3810352A
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Prior art keywords
yarn
spinning
package
roller
automatic
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US00012308A
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English (en)
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T Miyazaki
S Kariya
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Toyota Industries Corp
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Toyoda Automatic Loom Works Ltd
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Priority claimed from JP1440569A external-priority patent/JPS4822135B1/ja
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
    • D01H4/22—Cleaning of running surfaces
    • D01H4/24—Cleaning of running surfaces in rotor spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • D01H4/50—Piecing arrangements; Control therefor for rotor spinning

Definitions

  • ABSTRACT The present invention relates to the continuous ringless spinning machine for carrying out the piecing of supplied fiber and yarn end in a rotary spinning chamber, wherein a yarn piecing machine running along the spinning unit of the spinning machine stops in front of the detected spinning unit involved in yarn breakage.
  • the yarn end of the package is caught and drawn by means of suction to guide the yarn end above the spin ning unit involved in yarn breakage.
  • the yarn is cut off leaving a predetermined length of said yarn, and the broken yarn end is introduced into the spinning unit involved in yarn breakage to have the same turned into the spinning chamber. Thereafter said yarn is continuously withdrawn from the spinning chamber to automatically carry out the piecing operation of the finished yarn.
  • PATENTED MAY 14 I974 sum as 0? 11 PATENTEB MAY 1 4 I974 swam '01 HF 11 mmmmmm I 131810.352
  • the appearance of the yarn at the yarn piecing portion is not always the same. Sometimes it is formed into a large knot.
  • An object of the present invention is to automate the yarn piecing operation of the continuous ringless spinning machine and thereby minimize the labor required.
  • the yarn piecing operation of a great number of spinning units can be quickly carried out, and the length of time stopped of the spinning unit involved in yarn breakage can be shortened as much as possible to remarkably improve the productivity of the machines of this kind.
  • Other objects of'the present invention are to prevent the generation of knots while carrying out an accurate yarn piecing operation, to carry out the spinning of excellent quality yarn, to improve the quality of the yarn produced by catching the broken yarn end by means of suction effect, withdrawing a predetermined length of yarnand providing mechanical means for adjusting the length of the yarn introduced into the spinning chamber and the take-up time.
  • Another object of the present invention is to suck the remaining fiber present in the rotary spinning chamber so that in the following yarn piecing operation, the yarn end introduced into the spinning chamber can accurately wind the supplied fiber, and the yarn piecing operation can be smoothly carried out, and at thesame time the knot portion of the yarn ending can be eliminated.
  • Another object of the present invention is to stop the automatic yarn piecing machine correctly at the position where the spinning units involved in yarn breakage and the portion of yarn piecing operation coincide wherein the automatic yarn piecing machine runs along the spinning machine in a predetermined path. Since the automatic yarn piecing machine runs very quickly, it is convenient to detect yarn breakage in the early stage. The coincidence of the spinning units involved in yarn breakage and the portion of yarn piecing operation is carried out conveniently by running the yarn piecing machine with a low speed drive or by inertia as soon as the yarn breakage has been detected.
  • the present invention relates to the method and the apparatus for automatically carrying out yarn piecing operation by means of an'automatic yarn piecing machine capable of stopping at a predetermined position by detecting a spinning unit involved in yarn breakage.
  • Another object of the present invention is to correctly catch the yarn end of the package by means of a suction force at a predetermined position, so that a predetermined length of yarn end can be introduced into the rotary spinning chamber smoothly along with the suction stream generated in the discharge passage of the spinning unit involved in yarn breakage to carry out the piecing thereof to the supplied fiber, thereafter the yarn being continuously taken out.
  • FIG. I is a front elevational view of an entire spinning machine including an automatic-yarn piecing machine comprising this invention.
  • FIG. 2 is a cross sectional side elevational view showing how --the automatic yarn piecing machine is mounted on the rail of the spinning machine;
  • FIG. 3 is a partial cross sectional elevational view showing in somewhat greater detailthan FIG. 2 atypical spinning unit of the spinning machine;
  • FIG. 4 is a side elevational view showing the relation between the yarn piecing portion and the spinning machine
  • FIG. 5 is a partial cross sectional side elevational view showing structure for cleaning the rotary spinning chamber by means for removing the remaining fiber in the automatic yarn piecing machine;
  • FIG. 6 is a cross sectional view showing the relation between the suction tube for cleaningand the rotary spinning chamber
  • FIG. 7 is a cross sectional side elevational view showing another embodiment of the means for removing the remaining fiber
  • FIG. 8 is a side elevational view similar to FIG. 4 showing structure for the operation of the yarn piecing portion
  • FIG. 9 and FIG. 10 are cross sectional elevational views showing the driving mechanism of the electromagnetic clutch provided on the main portion of the automatic yarn piecing machine
  • FIG. 11 is a fragmentary view of the yarn end discharging nozzle
  • FIG. 12 is a cross sectional plan view showing the relation between the yarn end discharging nozzle and the guide roller;
  • FIG. 13 is a plan of yarn guide cam cutter
  • FIG. 14a is a cross sectional side elevational view of the yarn end carrying guide
  • FIG. 14b is a cross sectional plan of the yarn end carrying guide
  • FIG. is a front view showing the unoperated state of a stop instructing device of the automatic yarn piecing machine
  • FIG. 16 is the front view showing the state in which stop instructing device of FIG. 15 is operated.
  • FIG. 17 is a circuit diagram of said stop instructing device shown in FIGS. 15 and 16;
  • FIG. 18 is a circuit diagram of the main portion of the operation portion of the automatic yarn piecing machine.
  • the sliver-like fiber is fed by the feed-roller 1 to the combing roller 2 to thereby open up and separate the respective fibers.
  • the separated fibers are introduced into the high speed rotary spinning chamber 4 which is internally under negative pressure by air-discharging hole 3.
  • the separated fibers are attached on the collecting surface of the spinning chamber 4, and the end of the twisted yarn is connected to the package 6 which gradually takes up the attached fibers, and discharges them in finished form through the path 7 from the spinning chamber 4.
  • the discharged yarn passes through the take up roller I 8 and top take up roller 9 and is wound on the package 6 which is frictionally rotated by the take up drum 10.
  • first support casing 11 having feed roller 1 and combing roller 2 and the second support casing 12 having the spinning chamber 4 can be separated.
  • the two support casings 11 and 12 are coupled by the engagement of the clutches l3, 14 in the normally operating position shown in FIG. 3.
  • the spinning chamber 4 is rotated by means of a belt 15 and the combing roller 2 is rotated by means of a belt 16.
  • the feed roller 1 is rotated by means ofa shaft 19 through an electromagnetic clutch G which is actuated by a detector 17 for detecting yarn breakage of the yarn discharge path 7.
  • the yarn breakage detector 17 When the breakage in the yarn is detected, the yarn breakage detector 17 is operated to disengage the clutch G and the transmission of rotation to the feed roller 1 is interrupted to stop the supply offiber. At the same time, the lamp 20 of the yarn detector 17 is energized.
  • the automatic yarn piecing machine 21 as is shown in FIG. 2, is mounted on a rail 22 provided throughout the whole length of the upper portion of the spinning machine 18 through the rollers 23, 24, 25.
  • the rack 26 formed on the rail 22 is connected to the motor 28 through the gears 27. Therefore the automatic yarn piecing machine 21 is driven along the rail 22 at a predetermined speed by the motor 28 during the operation of the spinning machine 18.
  • the supply of any suitable electricity from the spinning machine 18 to the yarn piecing machine 21, is provided by an electricity supplying device.
  • the detector 30 provided on the automatic yarn piecing machine 21 detects the light of the lamp 20, and stops the positive operation of the motor 28.
  • the automatic yarn piecing machine 21 is required to stop at the position where the yarn piecing portion 31 coincides with the spinning unit'involved in yarn breakage.
  • the automatic yarn piecing machine 21 is provided with a stopping device composed of a detection lever 33 (FIG. 2) adapted to be engaged by a pin 32 attached to the side of the rail 22 in relation to the respective spinning units.
  • Limit switch LS is capable of being contacted by the lever 33, and as is shown in FIG. 15, the limit switch LS is positioned out of the range of rotation of the lower end of the detection lever 33 to be rotated by the pin 32 when normal driving is carried out.
  • the solenoid SOL is also energized along with the operation of said relay X and therefore the plunger 34 thereof pushes up said limit switch LS into the contacting range of the detection lever 33.
  • the limit switch LS energizes the electromagnetic brake B as it receives the effect of the detection lever 33.
  • the automatic yarn piecing machine 21 which is in I the inertia running stage can be accurately stopped easily by working the electromagnetic brake B on the motor shaft 35, which is the source of the driving thereof.
  • the detection of the spinning unit involved in yarn breakage by means of the automatic yarn piecing machine 21, is not carried out by the detection of the presence of yarn, but is carried out by the actuation of thedetector 17 of the spinning unit. Therefore the instruction to the automatic yarn piecing machine 21 can be accurately given.
  • the yarn piecing portion stops at the position coinciding with the spinning unit involved in yarn breakage after receiving light from the lamp 20. Therefore the detector 30 on the side of automatic yarn piecing machine 21 is required to be mounted on the side in which the automatic yarn piecing machine 21 is moved rather than yarn piecing portion 31.
  • inertia running is carried out over the distance from the detector 30 to the central portion of the yarn piecing portion 31 from the time when the detecyarn piecing portion has stopped at a predetermined position, and the spinning of the yarn from the spinning unit is started.
  • the limit switch LS for confirming the termination of yarn piecing is operated by an appropriate instruction of terminate the yarn piecing so as to again drive the automatic yarn piecing machine 21.
  • electromagnetic switch MS is operated, to start the driving motor 28.
  • the automatic yarn ending machine 21 is disconnected from the spinning unit, having terminated the yarn ending, and is driven to detect the next spinning unit involvedin yarn breakage.
  • the solenoid SOL is de-energized by the opening of the relay X, so that it is possible to disconnect the limit switch LS, from the range of contact against the detection lever 33.
  • the spinning unit involved-in yarn ending discharges light,and the detector 30 for detecting the sameis provided on the running direction rather than on the yarn ending structure 31 in theautomatic yarn ending machine 21.
  • the stopping device is operated at the position where the yarn ending portion 31 and the spinning unit involved in yarn breakage coincide to perfectly stop the driving system of the automatic yarn ending machine. Therefore the stopping can be made smoothly and at an accurate position.
  • the driving'force of the running motor 28 is disconnected by detecting the spindle involved in yarn breakage with the detector 30 and 'it is shifted into inertia running, but it can be switched into low speed running when a low speed running mechanism is built into the running mechanism of the automatic yarn ending machine '21.
  • variable speed gear when a variable speed gear is provided on the side of the transmission of the running motor 28, said variable speed gear is operated by the operation of the detector 30 to have the automatic yarnending machine 21. running at low speed. Thereafter, the stopping device is operated at the position where the'yarn end- 7 ing portion 31 and the spindle involved in yarn breakage are matched to stop said automatic yarn ending machine accurately at a predetermined position.
  • the initial operation of the automatic'yarn piecing machine 21, is the release of the front side of. the spinning chamber 4 for removing the remaining fiber.
  • the arm 38 drives the mechanism for operating and closing the support casings 11 and 12. That is, the gear 42 is rotated on the shaft 41 through the connection of the chain 39 and. the sprocket 40, and therefore the sector gear 43 engaged thereagainst is rotated round the shaft 44.
  • the arm 38 supported on the guide rail 45 that is coupled to the sector gear 43 is lowered to be rotated.
  • the end' of said arm 38 pushes the release pin 46 at the upper end of the body 11 to release the connection of latches 13, 14, and in this state the electromagnetic clutch H, provided on 'said shaft 41, is disengaged from the gear 42 to stop said arm 38. See FIG. 9.
  • the gear 47 transmits the rotation to the pinion 48 on said shaft 44, and the pinion 48 is secured to the arm 38 and engaged in the rack 49. Therefore the arm 38 carries out the backward driving, and the support casing 11, separated from the second support casing 12, is received by the receiving portion 50 formed on the end thereof, and it is gradually tilted with the shaft 19 as the fulcrum.
  • the front side of the spinning chamber 4 is opened by the above mentionedoperations, and then the remaining fiber removingv device is operated.
  • the support casing 12, tilted by the hook member 51 of support casing 11 is prevented from tilting before it contacts the brake 53 after the pulley 52 used for driving the spinning chamber 4 has been separated from the driving belt 15 so that the spinning chamber-4 can keep on the inertia rotation.
  • the above mentioned clutch A is released when the above mentioned state is satisfied.
  • an electromagnetic clutch C is provided on the shaft 57. After the termination of the retreat of the arm'38 the nozzle 54 starts the lowering'movement as clutch C is instructed, and when the end thereof has entered into the spinning chamber 4, the motor 36 stops.
  • the cleaning nozzle 54 has dual functions as is apparent from FIG. 5 and FIG. 6'.
  • the suction tube 58' is provided to carry out the air sucking operation within spinning chamber 4. Compressed air is introduced between said tube 58 and the surrounding tube 59, and the compressed air is jetted against the collecting surface 5 of the spinning chamber 4, from the air jetting hole 60.
  • the spinning chamber 4 is rotated by inertia, and therefore, when the outlet of the air jetting hole 60 faces in the direction of revolution of the spinning chamber 4, the jetted air stream works in such a manner that the revolution of the remaining fiber attached on the collecting surface 5 can be prevented.
  • the remaining fiber can be easily separated from the collecting surface 5, and the separated fiber can be accurately subjected to suction treatment by means of the sucking effect of the tube 58.
  • the peeling member 61 is provided on the suction tube 58, to hook and suck the remaining fiber.
  • the cleaning of the spinning chamber 4 is terminated and then the cleaning nozzle 54 is moved forward.
  • the motor 36 is driven in the opposite direction and therefore, the cleaning nozzle 54 is raised and retracted through the electromagnetic clutch C.
  • the clutch C is disengaged.
  • the arm driving mechanism 38 is operated to restore the spinning chamber 4, after the termination of the cleaning, into the normally operating state. That is to say, when the extreme terminal of arm 38 supports the first support casing 11 and the front of the spinning chamber 4 is open, then the electromagnetic clutch H is in contact with the side surface of gear 47. At time of contact, the reverse rotation of motor 36 is transmitted to pinion 48 through electromagnetic clutch H, chain 39, sprocket 40, shaft 41 clutch H, gear 47 and shaft 44 to provide arm 38 with a forward motion, causing thus casing 11 to contact casing 12. Upon successful contact of casings 11 and 12, clutch H switches over to contact the side surface of gear 42, rotating the guide rail 45 with the fulcrum of shaft 44 to elevate arm 38 upwardly by means of sector gear 43.
  • the yarn end is attached'on the periphery of the package 6 by the continuous revolution of the package 6.
  • the yarn end is sucked and caught by creating suction air around the package 6.
  • the yarn end wound on package 6 is drawn out as basic yarn," into the yarn discharge path 7. Therefore the lever 63'is pushed up'by the rotation of the push up lever 95 by means of the energization of the solenoid 62, and it is taken up on the package 6.
  • the rewinding roller 65 is moved forward to the side of the package 6, and then the above mentioned solenoid 62 is deenergized and the push up lever 95 is lowered.
  • the motor 36 is switched in the normal direction and at the same time the electromagnetic clutch D provided on the main shaft 37 is engaged. Therefore the rotation of the cam 66 is carried out, and the discharge nozzle 64 having the roller 67 mounted thereon is rotated below the package 6 with the shaft 68 as the fulcrum. When the roller 67 is contacted against the portion of the maximum diameter of the cam 66, the above mentioned clutch D is disengaged.
  • a number of operation members are provided on the discharge nozzle 64.
  • the rewinding roller 65 to receive the package 6 is at the upper most end of the discharge nozzle 64.
  • the electromagnetic clutch E on shaft 69 is engaged against the motor simultaneously when the motor 36 is started.
  • the rotation in the rewinding direction can be transmitted to the package 6 by the above mentioned rewinding roller 65 bearing against the package 6.
  • the guide roller 70 for accurately holding the yarn end caught with the discharge nozzle 64 is provided on the bracket 71 of the discharge nozzle 64.
  • press-roller 72 of the automatic yarn piecing machine 2 is pressed against take up roller 8 on the side of the spinning machine 18 by means of part 73 of the above mentioned bracket 71.
  • the take up nozzle 64 is in such a form as is extended in the lengthwise direction of the shaft of the package 6 and along the periphery of the package 6. Therefore the yarn end can be easily sucked to be rewound along with the operation of the rewinding roller 65. As shown in FIG. 11, the take up nozzle 64 is extended in a longitudinal direction along the peripheral surface of package 6 so as to be suitable for the catching yarn end. Accordingly, it is possible to suck and rewind the yarn end easily according to the operation of rewinding roller 65.
  • the electromagnetic clutch F provided on the main shaft 37, is engaged against the lever 77, and therefore the rotation in the normal direction from the motor 36 is transmitted.
  • the yarn guide cam cutter 78 connected to the lever 77, is moved forward, and the yarn end at Position 1 is, guided as far as Position ll while pushing the yarn end with the guide portion 79.
  • the yarn guide cam cutter 78 I is provided with the V-shaped guide portion 79 at the end thereof.
  • the fixed edge 86 is provided on one seetion of said V-shape in such a manner that the rotary edge 85 can be rotated along the other section.
  • the above mentioned yarn guide cam cutter 78 is positioned in the path of the yarn moving from the above mentioned slit 75 to Position I. Therefore the yarn is introduced into the surface 96 formed by the slanted surface and arrives at the guide portion 79.
  • the yarn end is guided to the position for holding a pair of guide rollers 70 biased by the spring 80.
  • the yarn coming from the inlet portion 81 passes through the path 82, and enters the portion 83 formed by the slanted surface of end portion of the guide roller 70 to carry the same as far as the holding point.
  • the neighboring side to said inlet portion of said guide roller 70 is formed in a tapered shape.
  • said guide roller 70 is shaped so that the "revolution of the motor 36 can be transmitted to the guide roller 70 in such a manner that the held yarn end is rewound by such driving mechanisms as gearing or chain means and can be taken out synchronously with the rewinding roller 65.
  • the timer is operated simultaneously with said opera- Therefore the rewinding position of the yarn end rewound from package 6 is always made constant regard less of the diameter of-thepackage 6. Therefore, the interval between-the yarn and rewinding position and yarn end cutting position is always made constant.
  • the time when the end of the yarn passes through the discharge path 7 and arrives at the collecting surface 5 of the Spinning chamber 4 can be easily determined when the rewinding speed of the guide roller 70 is taken into consideration.
  • the sucking effect of the nozzle 64 is stopped to prevent the yarn end from being affected at the same time when yarn is cut off.
  • the yarn end involved in breakage should be introduced into discharge path 7 as so-called basic yarn, as stated before.
  • the guide roller 70 is provided, and said guide roller 70 is close to the cutter 78. Therefore after having cut off the yarn, the short yarn end connected to the guide roller can release the twisting and a snarl cannot be generated. The yarn can become almost straight.
  • the carrier guide 87 is positioned between the cutter 78 and the inlet of the path 7, andone or several air streams are generated from the above nozzle 88, to guide the yarn end.
  • the yarn end is carried by the air stream and therefore a snarl cannot be generated.
  • Fiber is supplied into the spinning chamber 4 by the above mentioned operation, and it is connected to the basic yarn at the collecting surface 5 in the spinning chamber so that the yarn .piecing may be carried out.
  • the rotation speed of the respective rotary portions of the yarn piecing machine 21 is always constant. Therefore in carrying out the drawing out of the yarn, the guide roller 70 of the yarn ending machine 21 or the rewinding roller 65 are synchronized with the rotation or spinning speed of the spinning machine.
  • the press-roller 72 is arranged to contact and drive the discharge roller 8 when the discharge nozzle 64 is moved forward.
  • the electromagnetic clutch E provided on the shaft 69 of the chain driving mechanism is disconnected from the motor 36,-and it is switched so that the clutch E is engaged against the driving mechanism from the press-roller 72.
  • the revolution of the press-roller 72 transmitted from the discharge roller 8 is transmitted as the normal rotation of the rewinding roller 65 and the guide roller 70.
  • a ratchet wheel 91 is provided on one end of the lever 90.
  • the position of the press contact is kept with the pawl 92, and therefore the revolution of the discharge roller 8 is transmitted to the rewinding roller 65 and the guide roller 70.
  • the package 6 pressed against the rewinding roller 65 is also pressed against the take up drum 10 along with the retraction of the rewinding roller 65, by means of its own weight, and the rotation is given thereto.
  • the yarn piecing spinning unit wherein the automatic yarn piecing machine 21 is perfectly separated, the yarn is connected to the take-up drum 10 and the discharge path 7 in a straight line form.
  • the yarn goes across the top roller 9 pressing against the discharge roller 8, and therefore the yarn is directly guided into the handle portion of the discharge roller 8 and the top roller 9. Then yarn is discharged immediately by an automatic taking machine provided with top roller 9, and the normal spinning operation is carried out.
  • the yarn discharge nozzle is moved forward after the termination of the cleaning of the spinning chamber.
  • the discharge nozzle can bemoved forward during the period of cleaning the spinning chamber.
  • the electromagnetic clutch F is energized to move the lever 77 forward.
  • the lever 77 when moved forward pushes the limit switch LS
  • the relay X is operated to deenergize the clutch F to stop the lever 77 at a predetermined position.
  • the solenoid 84 is energized to cut off the yarn by operating the rotary edge 85.
  • the relay X also starts the operation of the timer T
  • the timer T has such a structure that it can be brought to time up when the yarn that is sent through reverse rotation arrives at the collecting surface 5 of the rotary spinning chamber 4.
  • the electromagnetic clutch E is switched over to the transmission system from the press roller 72 to transmit the rotation of the press roller 72 to the rewinding roller 65.
  • the guide roller and the rotation is transmitted to the opposite direction.
  • yarn is taken up on the package 6 in the same manner as in the normal spinning state.
  • the timer T starts the operation, to operate the relay X, with the time up thereof.
  • the motor 36 is thereby driven in reverse.
  • the clutches D, F are geared against each other, and the lever 77 and the yarn end discharging nozzle 64 are retracted.
  • timer T it can be operated some time after the yarn piecing operation.
  • the automatic yarn piecing machine 21 detects the spinning unit involved in yarn breakage, and stops at the position in front of the spinning unit involved in yarn breakage through the processes oflow speed driving or inertia driving.
  • the arm 38 is rotated downwards to release the engagement of the two support casings ll, 12, and the arm 38 is retracted to separate the first support casing 11 from the support casing 12.
  • the spinning chamber 4 is driven by inertia.
  • the cleaning nozzle-54 is moved forward and enters into the spinning chamber 4.
  • the cleaning nozzle 54 is retracted, and then said arm 38 is moved forward to connect the support casing 11 to the support casing 12.
  • the arm 38 is then rotated upwards, and the spinning chamber 4 is rotated at a high speed.
  • the solenoid 62 is energized, and the package 6 is separated from the take-up drum l0.
  • the yarn end is passed through the slit of the nozzle 64, and said yarn is introduced above the spinning unit involved 'in yarn breakage by means of the yarn guide-cam cutter 78. At the same time the yarn introduced into the handle portion of the guide roller 70.
  • Solenoid 84 is energized to rotate the rotary edge 85 and yarn cutting is carried out, while at the same time the timer is operated.
  • the yarn end is introduced into the rotary spinning chamber 4 by the sucking air stream of the discharge path 7.
  • the automatic yarn piecing machine stops accurately at the position in front ofthespinning-unit involved in yarn breakage, and thecleaning of the spinning chamber is carried out by a sucking air stream.
  • the catching of the yarn end is also carried out by the sucking air stream generated within a wide range and the rewinding of the package. Therefore the operations can be easily carried out
  • the guide roller is capable of catching the yarn end rewound by the package above the yarn discharge path connected to the spinning chamber.
  • the cutter can be operated right below the guide roller and therefore the introduction of the cut yarn end, into the discharge path can be very easily carried out.
  • the determination of the timing for the yarn end to arrive at the spinning chamber can be easily done, and therefore the control of the yarn piecing operation can be accurately done. lnv addition, the yarn havingbeen ended with the supplied fiber is drawn out synchronously withth'e spinning speed of the spinning machine, andtherefore the yarn piecing operation can be smoothly performed.
  • An automatic yarn piecingprocess in a continuous ringless spinning machine in which fibers are fed into a spinning chamber and withdrawn as a yarn to be wound onto a package which comprises the steps of detecting the breakage of yarn; finding the end portion of the yarn wound on the package at a predetermined position; drawing the yarn end from the package by means of suction; guiding said yarn to the neighborhood of the spinning chamber of the spinning unit involved in yarn breakage; cutting off the yarn with a predetermined length thereof left out on the side connected to the package; introducing said yarn end connected to the package into the spinning unit involved in yarn breakage through said spinning chamber; joining said yarn end with fibers delivered to said spinning chamber and continuously discharging a spun yarn from the spinning chamber.
  • An automatic yarn piecing process in accordance with claim 1 which further comprises the step of carry- 14 ing out the removal of the remaining fiber by generating sucking .air stream into the spinning chamber after having detected the yarn breakage.
  • An automatic yarn piecing device in a continuous ringless spinning machine having a spinning chamber and a yarn winding package comprising yarn breakage detector means, suction means (64, 75, 76) for catching the end portion of the yarn wound on the package and for locating the yarn end at a predetermined position; means (85, 86) for guiding said yarn end to the neighborhood of the spinning chamber of the spinning unit involved in yarn breakage by engaging said yarn; means for cutting the yarn end to leave a predetermined length thereof on the side connected to the package, means (70, 65) for introducing said yarn end connected to the package into the spinning unit involved in yarn breakage through the spinning chamber to join said yarn end with fibers delivered to said spinning chamber while unwinding said yarn end from said package, means for thereafter continuously discharging a spun yarn from said spinning chamber, and means (E, T for controlling said yarn end from the spinning chamber continuously in synchronous relation to the start of the spinning operation after said yarn end has arrived at the spinning chamber (4).
  • An automatic yarn piecing device in a continuous ringless spinning machine having a spinning chamber and a yarn winding package comprising yarn breakage detector means, suction means (54) for removing remaining fiber by generating a sucking air stream into the spinning chamber after having detected the yarn breakage, means for catching and withdrawing the end portion of the yarn wound on the package at least as soon as the remaining fiber has been removed, means for drawing the yarn, means for locating the yarn at the predetermined position, means for engaging and guiding said yarn end to the neighborhood of the spinning chamber of the spinning unit involved in yarn breakage, means for cutting off the yarn end by leaving a predetermined length thereof on the side connected to the package, means for passing said out yarn end through said spinning chamber while rewinding the same from said package, means for introducing the yarn end connected to the package into the spinning unit involved in yarn breakage, and thereafter for continuously drawing said yarn end, and means for controlling said yarn end after said yarn end has arrived at the spinning chamber whereby said yarn'end can be continuously drawn out from the spinning chamber in synchronous relation to the start
  • the automatic yarn'piecing device wherein the means for locating said yarn end is comprised of means (65) for rotating the package in the rewinding direction, and suction retaining means (64, 75, 76) adapted to be positioned against the outer peripheral surface of the package for spinning the caught yarn end at the predetermined position by draw- 1 ing the caught yarn end from the package.
  • the automatic yarn piecing device which is bent and which further includes a continuous slit (75) from the end thereof to the lower portion of the bent portion whereby the sucked yarn end can be passed through the yarn end discharging nozzle.
  • said means for rotating the package comprises a rewinding roller (65) rotating the package in the rewinding direction, and wherein said suction retaining means (64) is adapted to be rotated whereby the end portion thereof can be positioned against the outer peripheral surface of said package, the rewinding roller (65) being adapted to be pressed against the package which has stopped the operation for taking up the spinning yarn by the displacement of said suction retaining means to the working position.
  • the automatic yarn piecing machine which further comprises a take-up drum, engaging means (95, 62) for separating the package from the take-up drum (10) and for turning back to the original position, said rewinding roller (65) being connected to said suction retaining means (64) for rotating the package in the rewinding direction, whereby said package is pressed against the rewinding roller (65) which is thereby displaced to the working position.
  • said engaging means (95, 62) are comprised of a push lever (95) for engaging the package with the engaging portion at the end thereof and a solenoid mechanism (62) for rotating said push lever.
  • the automatic yarn piecing machine which further comprises a guide member (78) for connecting the yarn end drawn from the package and cutting members (85, 86) for cutting the yarn end at said predetermined position by transmitting the yarn end which is engaged against said guide position to the neighborhood of the spinning chamber (7) of the spinning unit involved in the yarn breakage.
  • said guide member is provided between the discharging nozzle and spinning unit involved in yarn breakage, and reciprocates therebetween, said guide member having a V-shaped guide portion (79) and a guiding surface (96) for guiding the yarn end coming out from the discharging nozzle into the moving trace of said guide portion, said cutting member having a movable edge (85) and a fixed edge (86) disposed on the V-shaped portion of said guide portion.
  • said means for introducing said cut yarn end into the spinning unit involved in yarn breakage and for continuously drawing said yarn end is comprised of a pair of guide rollers (70) and reversing means for said guide rollers (70), said guide rollers (70) being placed on the running trace of the finished yarn by the movement thereof, and said reversing means being arranged to rotate said guide roller in the normal direction so that the yarn can be unwound from the package and, in the reverse direction, so as to discharge yarn from the spinning chamber.
  • the automatic yarn piecing device wherein the means for introducing the said cut yarn end into the spinning unit involved in yarn breakage and for continuously drawing out the yarn end, is comprised of means (70, 65) for leading said cut yarn end into the spinning unit involved in yarn breakage through the spinning chamber while winding said cut yarn end from the package, and means (72) for transmitting rotation at such a speed as to be synchronous with the driving speed of the spinning machine.
  • the automatic yarn piecing device which comprises means for pressing the rewinding roller (65) against the package, means for passing the press-roller (72) against the discharge roller (8) of the spinning machine by the displacement of the suction nozzle to the working position, whereby the rotation of the press-roller is transmitted to the unwinding roller and said guide roller, and clutch means (e) for reversing the rotation of the guide roller at a predetermined time.
  • the automatic yarn piecing machine which further comprises an unwinding roller, means for driving said unwinding roller for rotating the package in the unwinding direction by contacting the same against said package, a discharge nozzle, said unwinding roller being connected to the upper portion of said discharging nozzle, the discharging nozzle having a slit continued in the length wise direction, a cam for rotating said discharging nozzle on the outer peripheral surface of the package when said nozzle detects the yarn breakage, a guide member connected to said discharging nozzle for guiding the yarn end from said discharging nozzle to the neighborhood of the spinning chamber of the spinning unit involved in yarn breakage by engaging the yarn end from the discharging nozzle, a pair of guide rollers for nipping the yarn end guided by said guide member, means for unwinding and discharging yarn from the spinning chamber, a clutch for reversing said rotation into the transmission system by transmitting the rotation to said unwinding roller and guide roller and a press-roller for pressing against the discharge roller of the
  • said press-roller includes a rotary lever that is pressed against the discharge roller of the spinning machine by means of the rotation of the discharging nozzle, the position thereof being retained by the engagement of a ratchet wheel (91) and a pawl (92), and after having pieced the broken yarn, said engagement being released by the effect of a solenoid (93) so that the press roller can be separated from the discharge roller.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
US00012308A 1969-02-25 1970-02-18 Automatic yarn piecing apparatus for a continuous ringless spinning machine and method of using same Expired - Lifetime US3810352A (en)

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Application Number Priority Date Filing Date Title
JP1440569A JPS4822135B1 (en, 2012) 1969-02-25 1969-02-25
JP1969569 1969-03-15

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US3810352A true US3810352A (en) 1974-05-14

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US (1) US3810352A (en, 2012)
CH (1) CH508745A (en, 2012)
DE (1) DE2008142C3 (en, 2012)
FR (1) FR2032397B1 (en, 2012)
GB (1) GB1306232A (en, 2012)

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US3911660A (en) * 1973-10-19 1975-10-14 Rieter Ag Maschf Open-end spinning machine
US3927516A (en) * 1973-03-22 1975-12-23 Fritz Stahlecker Machine for continuous spinning by means of spinning rotors
US3950926A (en) * 1973-10-10 1976-04-20 Fritz Stanlecker Open-end spinning machine with a shiftable apparatus for start-spinning
US3952491A (en) * 1974-06-20 1976-04-27 Sharychenkov Alexandr Alexeevi Open-end spinning frame
US3962855A (en) * 1973-12-12 1976-06-15 Fritz Stahlecker Start-spinning apparatus which travels along an open-end spinning machine
US3977168A (en) * 1975-06-11 1976-08-31 Barber-Colman Company Modular open end spinning machine
US3987610A (en) * 1973-12-04 1976-10-26 Fritz Stahlecker Method and apparatus for start-spinning a thread on an open-end spinning unit of an open-end spinning machine
US3990225A (en) * 1973-10-24 1976-11-09 Vyzkumny Ustav Bavlnarsky Open-end spinning machine
US4022011A (en) * 1974-02-13 1977-05-10 Hironori Hirai Yarn piecing method for open-end spinning machine
US4031691A (en) * 1975-08-20 1977-06-28 Nuova San Giorgio S.P.A. Device for reinserting the broken yarn in an open end spinning unit
US4041684A (en) * 1975-09-18 1977-08-16 W. Schlafhorst & Co. Device for automatically joining a thread for spinning
US4043106A (en) * 1974-08-08 1977-08-23 Fritz Stahlecker Open-end spinning machine with a travelling maintenance unit
US4057955A (en) * 1975-06-03 1977-11-15 Nuova San Giorgio S.P.A. Cleaning device for open-end spinning units
US4058963A (en) * 1976-03-27 1977-11-22 Fritz Stahlecker Open-end spinning machine with a plurality of spinning units and with at least one servicing device
US4059946A (en) * 1974-12-07 1977-11-29 Fritz Stahlecker Method and apparatus for start-spinning a thread on open-end spinning units
US4069654A (en) * 1975-11-24 1978-01-24 Nuova San Giorgio S.P.A. Cleaning device for open end spinning units
US4084398A (en) * 1975-06-07 1978-04-18 Fritz Stahlecker Mobile servicing arrangement for open-end spinning machines
US4089155A (en) * 1975-12-06 1978-05-16 Fritz Stahlecker Open-end spinning machine with facilities and method for the simultaneous piecing of all spinning units
US4098066A (en) * 1975-12-02 1978-07-04 Fritz Stahlecker Open-end spinning machine
US4107957A (en) * 1976-05-11 1978-08-22 Fritz Stahlecker Mobile piecing device and method for an open end spinning machine
US4109451A (en) * 1976-05-08 1978-08-29 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method and device for removing impurities from a spinning rotor of an open-end spinning apparatus
US4120140A (en) * 1976-05-11 1978-10-17 W. Schlafhorst & Co. Method and device for joining a thread
US4127983A (en) * 1976-10-27 1978-12-05 Palitex Project Company Gmbh Yarn guiding and threading mechanisms for use with textile yarn processing machines
US4132056A (en) * 1975-12-23 1979-01-02 Schubert & Salzer Open end spinning apparatus
US4135354A (en) * 1976-10-23 1979-01-23 Hans Stahlecker Open-end spinning machine with a maintenance device
US4142358A (en) * 1976-07-26 1979-03-06 Murata Kikai Kabushiki Kaisha Yarn ending unit for open-end spinning machine
US4145867A (en) * 1976-10-19 1979-03-27 W. Schlafhorst And Co. Device for retransporting a thread end of a take-up coil to the withdrawal tube of a rotor spinning machine
US4155217A (en) * 1976-05-20 1979-05-22 Hans Stahlecker Mobile cleaning device for an open-end spinning machine
US4163359A (en) * 1974-01-14 1979-08-07 Murata Kikai Kabushiki Kaisha Method and apparatus for driving and piecing-up open-end spinning units
US4166356A (en) * 1978-01-11 1979-09-04 Vyzkumny Ustav Bavlnarsky Method of and apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from the spinning rotor of an open-end spinning machine
US4175370A (en) * 1977-06-22 1979-11-27 Hans Stahlecker Piecing apparatus for an open-end spinning machine
USRE30167E (en) * 1973-04-30 1979-12-18 Apparatus and method for start-spinning on an open-end spinning machine
USRE30201E (en) * 1973-12-04 1980-02-05 Method and apparatus for start-spinning a thread on an open-end spinning unit of an open-end spinning machine
US4192129A (en) * 1975-10-16 1980-03-11 Hans Stahlecker Movable servicing device for a spinning machine, especially an open end spinning machine
US4222224A (en) * 1975-11-22 1980-09-16 W. Schlafhorst & Co. Device for temporarily stopping the operation of spinning stations
US4223518A (en) * 1978-01-24 1980-09-23 Schubert & Salzer Suction air nozzle for forming a thread reserve
US4276742A (en) * 1977-03-17 1981-07-07 W. Schlafhorst And Co. Thread-joining device
US4276741A (en) * 1973-08-16 1981-07-07 Fritz Stahlecker Method and apparatus for start-spinning a thread on an open-end spinning unit
US4295330A (en) * 1979-06-26 1981-10-20 Officine Savio, S.P.A. Re-attachment device for an open-end type spinning frame
US4339914A (en) * 1979-06-26 1982-07-20 Officine Savio, S.P.A. Method and apparatus for cleaning an open-end spinning rotor
DE3246993A1 (de) * 1982-12-18 1984-06-20 Schubert & Salzer Maschinen Verfahren und vorrichtung zum anspinnen eines fadens in einer offenend-spinnvorrichtung
US4463548A (en) * 1981-06-12 1984-08-07 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Pivotable suction tube for taking up a yarn from a bobbin
US4601164A (en) * 1983-05-24 1986-07-22 Rieter Machine Works, Ltd. Automat location system
US4628684A (en) * 1982-10-13 1986-12-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method of piecing a yarn in an open-end spinning machine
US4644742A (en) * 1982-01-26 1987-02-24 Schubert & Salzer Process and device for joining a thread in an open-end spinning device
US4656824A (en) * 1983-05-20 1987-04-14 Rieter Machine Works, Ltd. Open-end yarn piecer
US4760688A (en) * 1984-12-24 1988-08-02 Schubert & Salzer Maschinenfabrik Open-end spinning machine with plural spinning stations and thread joining process therefor
US4885906A (en) * 1987-09-23 1989-12-12 Vyzkumny Ustav Bavlnarsky Device for automatically spinning-in yarn
US4998404A (en) * 1988-12-23 1991-03-12 Savio S.P.A. Method and device for removing deteriorated fibres during yarn rejoining in an open-end spinning machine
US5095689A (en) * 1988-12-23 1992-03-17 Savio, S.P.A. Method and device for rejoining yarn with high efficiency in an open-end spinning machine
US5385009A (en) * 1992-08-07 1995-01-31 Rieter Ingolstadt Spinnereimaschinenbau Ag Process for piecing and cleaning in an open-end spinning device
US5386684A (en) * 1988-12-09 1995-02-07 W. Schlafhorst & Co. Data exchange coordinating apparatus for a textile machine
DE10136598A1 (de) * 2001-07-30 2003-02-13 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum Stillsetzen einer verfahrbaren Wartungseinrichtung
CN102747462A (zh) * 2012-07-31 2012-10-24 浙江日发纺织机械股份有限公司 自由端纺纱机接头小车
CN106637556A (zh) * 2017-02-19 2017-05-10 广西剑麻集团山圩剑麻制品有限公司 纺纱机断线自停自启装置
US20170342604A1 (en) * 2014-12-22 2017-11-30 Rieter Ingolstadt Gmbh Rotor Spinning Machine Comprising a Plurality of Working Positions and a Suction Device
US20180209077A1 (en) * 2017-01-24 2018-07-26 Maschinenfabrik Rieter Ag Method for Maintaining Spinning Units of a Spinning Machine along with a Spinning Machine
CN109422132A (zh) * 2017-09-05 2019-03-05 江苏爱纺纺织有限公司 一种色纺纱自动卷收装置

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DE2058604B2 (de) * 1970-11-28 1977-08-25 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Verfahren und vorrichtung zum stillsetzen und wiederanfahren einer offen- end-spinnvorrichtung
CS176442B1 (en, 2012) * 1973-04-20 1977-06-30
US4006864A (en) * 1973-11-27 1977-02-08 Daiwa Boseki Kabushiki Kaisha Method and apparatus for carrying out doffing and donning operation
DE2360296C3 (de) * 1973-12-04 1982-03-18 Stahlecker, Fritz, 7347 Bad Überkingen Längs einer Offenend-Spinnmaschine verfahrbare Vorrichtung zum Anspinnen
DE2366255C2 (de) * 1973-12-12 1983-03-17 Fritz 7347 Bad Überkingen Stahlecker Einrichtung zum Führen eines anzuspinnenden Fadens
DE2454900B2 (de) * 1974-11-20 1981-06-04 Fritz 7347 Bad Überkingen Stahlecker Offenend-Spinnmaschine mit wenigstens einer verfahrbaren Wartungseinrichtung
DE2458538C2 (de) * 1974-12-11 1982-07-22 Stahlecker, Fritz, 7347 Bad Überkingen Offenend-Spinnmaschine mit wenigstens einem entlang der Spinnaggregate verfahrbaren Wartungsgerät
DE2507153C3 (de) * 1975-02-19 1988-07-28 Stahlecker, Fritz, 7347 Bad Überkingen Verfahren zum Anspinnen eines Fadens bei Offenend-Spinnaggregaten und Offenend-Spinnmaschine zum Durchführen des Verfahrens
DE2544209C2 (de) * 1975-10-03 1987-03-12 Fritz 7347 Bad Überkingen Stahlecker Verfahren zum Anspinnen einzelner Spinnaggregate einer eine Vielzahl von Spinnaggregaten aufweisenden OE-Spinnmaschine
CH610019A5 (en, 2012) * 1976-11-11 1979-03-30 Battelle Memorial Institute
DE2708936C2 (de) * 1977-03-02 1993-07-29 Fritz 7347 Bad Überkingen Stahlecker Verfahren und Vorrichtung zum Anspinnen eines Fadens an Spinnaggregaten einer Offenend-Spinnmaschine
DE2909253A1 (de) * 1979-03-09 1980-09-11 Fritz Stahlecker Verfahren und vorrichtung zum vorbereiten eines anspinnvorgangs an einem offenend-spinnaggregat
CS222909B1 (en) * 1980-11-12 1983-08-26 Karel Mikulecky Apparatus for rational remedy of non-stationary state of open-end spinning units
CS241423B1 (en) * 1983-05-16 1986-03-13 Jiri Nemec Device for automatic yarn return from take-up bobbin
DE3344646C2 (de) * 1983-12-09 1986-09-18 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Verfahren zum Bilden einer Fadenreservewicklung
CS257672B1 (en) * 1986-03-03 1988-05-16 Frantisek Burysek Device for yarn spinning-in on spindleless spinning frame
US4884395A (en) * 1988-06-22 1989-12-05 Wm. R. Stewart & Sons (Hacklemakers) Ltd. Fibre opening devices
DE4418743C2 (de) * 1994-05-28 1997-04-24 Rieter Ingolstadt Spinnerei Verfahren zum pneumatischen Aufnehmen des Endes eines auf einer Spule aufgewickelten Fadens
CZ2021500A3 (cs) 2021-11-01 2023-05-10 Rieter Cz S.R.O. Způsob oddělení konce příze před obnovením předení na textilním stroji pro výrobu příze, zařízení k jeho provádění a textilní stroj pro výrobu příze
CZ202364A3 (cs) 2023-02-20 2024-08-28 Rieter Cz S.R.O. Zařízení pro přípravu konce příze pro zapředení příze na pracovním místě textilního stroje pro výrobu příze a textilní stroj

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Cited By (70)

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Publication number Priority date Publication date Assignee Title
US3927516A (en) * 1973-03-22 1975-12-23 Fritz Stahlecker Machine for continuous spinning by means of spinning rotors
USRE30167E (en) * 1973-04-30 1979-12-18 Apparatus and method for start-spinning on an open-end spinning machine
US4276741A (en) * 1973-08-16 1981-07-07 Fritz Stahlecker Method and apparatus for start-spinning a thread on an open-end spinning unit
US3950926A (en) * 1973-10-10 1976-04-20 Fritz Stanlecker Open-end spinning machine with a shiftable apparatus for start-spinning
US3911660A (en) * 1973-10-19 1975-10-14 Rieter Ag Maschf Open-end spinning machine
US3990225A (en) * 1973-10-24 1976-11-09 Vyzkumny Ustav Bavlnarsky Open-end spinning machine
USRE30201E (en) * 1973-12-04 1980-02-05 Method and apparatus for start-spinning a thread on an open-end spinning unit of an open-end spinning machine
US3987610A (en) * 1973-12-04 1976-10-26 Fritz Stahlecker Method and apparatus for start-spinning a thread on an open-end spinning unit of an open-end spinning machine
US3962855A (en) * 1973-12-12 1976-06-15 Fritz Stahlecker Start-spinning apparatus which travels along an open-end spinning machine
US4163359A (en) * 1974-01-14 1979-08-07 Murata Kikai Kabushiki Kaisha Method and apparatus for driving and piecing-up open-end spinning units
US4022011A (en) * 1974-02-13 1977-05-10 Hironori Hirai Yarn piecing method for open-end spinning machine
US3952491A (en) * 1974-06-20 1976-04-27 Sharychenkov Alexandr Alexeevi Open-end spinning frame
US4043106A (en) * 1974-08-08 1977-08-23 Fritz Stahlecker Open-end spinning machine with a travelling maintenance unit
US4059946A (en) * 1974-12-07 1977-11-29 Fritz Stahlecker Method and apparatus for start-spinning a thread on open-end spinning units
US4057955A (en) * 1975-06-03 1977-11-15 Nuova San Giorgio S.P.A. Cleaning device for open-end spinning units
US4084398A (en) * 1975-06-07 1978-04-18 Fritz Stahlecker Mobile servicing arrangement for open-end spinning machines
US3977168A (en) * 1975-06-11 1976-08-31 Barber-Colman Company Modular open end spinning machine
US4031691A (en) * 1975-08-20 1977-06-28 Nuova San Giorgio S.P.A. Device for reinserting the broken yarn in an open end spinning unit
US4041684A (en) * 1975-09-18 1977-08-16 W. Schlafhorst & Co. Device for automatically joining a thread for spinning
US4192129A (en) * 1975-10-16 1980-03-11 Hans Stahlecker Movable servicing device for a spinning machine, especially an open end spinning machine
US4222224A (en) * 1975-11-22 1980-09-16 W. Schlafhorst & Co. Device for temporarily stopping the operation of spinning stations
US4069654A (en) * 1975-11-24 1978-01-24 Nuova San Giorgio S.P.A. Cleaning device for open end spinning units
US4098066A (en) * 1975-12-02 1978-07-04 Fritz Stahlecker Open-end spinning machine
US4089155A (en) * 1975-12-06 1978-05-16 Fritz Stahlecker Open-end spinning machine with facilities and method for the simultaneous piecing of all spinning units
US4132056A (en) * 1975-12-23 1979-01-02 Schubert & Salzer Open end spinning apparatus
US4058963A (en) * 1976-03-27 1977-11-22 Fritz Stahlecker Open-end spinning machine with a plurality of spinning units and with at least one servicing device
US4109451A (en) * 1976-05-08 1978-08-29 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method and device for removing impurities from a spinning rotor of an open-end spinning apparatus
US4120140A (en) * 1976-05-11 1978-10-17 W. Schlafhorst & Co. Method and device for joining a thread
US4107957A (en) * 1976-05-11 1978-08-22 Fritz Stahlecker Mobile piecing device and method for an open end spinning machine
US4155217A (en) * 1976-05-20 1979-05-22 Hans Stahlecker Mobile cleaning device for an open-end spinning machine
US4142358A (en) * 1976-07-26 1979-03-06 Murata Kikai Kabushiki Kaisha Yarn ending unit for open-end spinning machine
US4145867A (en) * 1976-10-19 1979-03-27 W. Schlafhorst And Co. Device for retransporting a thread end of a take-up coil to the withdrawal tube of a rotor spinning machine
US4135354A (en) * 1976-10-23 1979-01-23 Hans Stahlecker Open-end spinning machine with a maintenance device
US4127983A (en) * 1976-10-27 1978-12-05 Palitex Project Company Gmbh Yarn guiding and threading mechanisms for use with textile yarn processing machines
US4276742A (en) * 1977-03-17 1981-07-07 W. Schlafhorst And Co. Thread-joining device
US4175370A (en) * 1977-06-22 1979-11-27 Hans Stahlecker Piecing apparatus for an open-end spinning machine
US4166356A (en) * 1978-01-11 1979-09-04 Vyzkumny Ustav Bavlnarsky Method of and apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from the spinning rotor of an open-end spinning machine
US4223518A (en) * 1978-01-24 1980-09-23 Schubert & Salzer Suction air nozzle for forming a thread reserve
US4295330A (en) * 1979-06-26 1981-10-20 Officine Savio, S.P.A. Re-attachment device for an open-end type spinning frame
US4339914A (en) * 1979-06-26 1982-07-20 Officine Savio, S.P.A. Method and apparatus for cleaning an open-end spinning rotor
US4463548A (en) * 1981-06-12 1984-08-07 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Pivotable suction tube for taking up a yarn from a bobbin
US4644742A (en) * 1982-01-26 1987-02-24 Schubert & Salzer Process and device for joining a thread in an open-end spinning device
US4628684A (en) * 1982-10-13 1986-12-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method of piecing a yarn in an open-end spinning machine
DE3246993A1 (de) * 1982-12-18 1984-06-20 Schubert & Salzer Maschinen Verfahren und vorrichtung zum anspinnen eines fadens in einer offenend-spinnvorrichtung
US4680925A (en) * 1983-05-20 1987-07-21 Rieter Machine Works, Ltd. Open-end yarn piecer
US4656824A (en) * 1983-05-20 1987-04-14 Rieter Machine Works, Ltd. Open-end yarn piecer
US4689945A (en) * 1983-05-20 1987-09-01 Rieter Machine Works, Ltd. Open-end yarn piecer
EP0126373A3 (en) * 1983-05-24 1986-07-30 Maschinenfabrik Rieter Ag Automat location system
US4653262A (en) * 1983-05-24 1987-03-31 Rieter Machine Works, Ltd. Automat location system
US4685283A (en) * 1983-05-24 1987-08-11 Rieter Machine Works, Ltd. Locating device for service tender
US4703617A (en) * 1983-05-24 1987-11-03 Rieter Machine Works, Ltd. Automat location system
EP0300236A1 (en) * 1983-05-24 1989-01-25 Maschinenfabrik Rieter Ag Automat location system
EP0302214A1 (en) 1983-05-24 1989-02-08 Maschinenfabrik Rieter Ag Automat location system
US4601164A (en) * 1983-05-24 1986-07-22 Rieter Machine Works, Ltd. Automat location system
US4760688A (en) * 1984-12-24 1988-08-02 Schubert & Salzer Maschinenfabrik Open-end spinning machine with plural spinning stations and thread joining process therefor
US4885906A (en) * 1987-09-23 1989-12-12 Vyzkumny Ustav Bavlnarsky Device for automatically spinning-in yarn
US5386684A (en) * 1988-12-09 1995-02-07 W. Schlafhorst & Co. Data exchange coordinating apparatus for a textile machine
US4998404A (en) * 1988-12-23 1991-03-12 Savio S.P.A. Method and device for removing deteriorated fibres during yarn rejoining in an open-end spinning machine
US5095689A (en) * 1988-12-23 1992-03-17 Savio, S.P.A. Method and device for rejoining yarn with high efficiency in an open-end spinning machine
US5385009A (en) * 1992-08-07 1995-01-31 Rieter Ingolstadt Spinnereimaschinenbau Ag Process for piecing and cleaning in an open-end spinning device
DE10136598A1 (de) * 2001-07-30 2003-02-13 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum Stillsetzen einer verfahrbaren Wartungseinrichtung
DE10136598B4 (de) * 2001-07-30 2013-08-01 Rieter Ingolstadt Gmbh Verfahren und Vorrichtung zum Stillsetzen einer verfahrbaren Wartungseinrichtung
CN102747462A (zh) * 2012-07-31 2012-10-24 浙江日发纺织机械股份有限公司 自由端纺纱机接头小车
CN102747462B (zh) * 2012-07-31 2015-09-16 浙江日发纺织机械股份有限公司 自由端纺纱机接头小车
US20170342604A1 (en) * 2014-12-22 2017-11-30 Rieter Ingolstadt Gmbh Rotor Spinning Machine Comprising a Plurality of Working Positions and a Suction Device
US10519573B2 (en) * 2014-12-22 2019-12-31 Rieter Ingolstadt Gmbh Rotor spinning machine with a multiple number of work stations and a suction device
US20180209077A1 (en) * 2017-01-24 2018-07-26 Maschinenfabrik Rieter Ag Method for Maintaining Spinning Units of a Spinning Machine along with a Spinning Machine
CN106637556A (zh) * 2017-02-19 2017-05-10 广西剑麻集团山圩剑麻制品有限公司 纺纱机断线自停自启装置
CN106637556B (zh) * 2017-02-19 2019-02-01 广西剑麻集团山圩剑麻制品有限公司 纺纱机断线自停自启装置
CN109422132A (zh) * 2017-09-05 2019-03-05 江苏爱纺纺织有限公司 一种色纺纱自动卷收装置

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GB1306232A (en, 2012) 1973-02-07
FR2032397A1 (en, 2012) 1970-11-27
FR2032397B1 (en, 2012) 1973-07-13
DE2008142C3 (de) 1979-07-19
DE2008142B2 (de) 1973-09-20
CH508745A (de) 1971-06-15
DE2008142A1 (de) 1970-09-24

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