WO1982004269A1 - Dispositif pour joindre en filant les extremites d'un fil a enrouler - Google Patents

Dispositif pour joindre en filant les extremites d'un fil a enrouler Download PDF

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Publication number
WO1982004269A1
WO1982004269A1 PCT/DE1982/000116 DE8200116W WO8204269A1 WO 1982004269 A1 WO1982004269 A1 WO 1982004269A1 DE 8200116 W DE8200116 W DE 8200116W WO 8204269 A1 WO8204269 A1 WO 8204269A1
Authority
WO
WIPO (PCT)
Prior art keywords
thread
suction channel
channel
fiber
slide
Prior art date
Application number
PCT/DE1982/000116
Other languages
German (de)
English (en)
Inventor
Textilmasch Gmbh Zinser
Original Assignee
Egbers Gerhard
Artzt Peter
Brosch Karl
Rottmayr Hans
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19813121866 external-priority patent/DE3121866A1/de
Priority claimed from DE19823214352 external-priority patent/DE3214352A1/de
Application filed by Egbers Gerhard, Artzt Peter, Brosch Karl, Rottmayr Hans filed Critical Egbers Gerhard
Publication of WO1982004269A1 publication Critical patent/WO1982004269A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing

Definitions

  • the invention relates to a device for spinning a wrapping yarn, with a pair of delivery rollers, a downstream hollow spindle with a binding thread spool, a winder. tension roller pair and a winding device, wherein at least one closable fiber suction channel is arranged between the delivery roller pair and the hollow spindle, the suction opening of which projects into the area between the clamping point of the delivery roller pair and the upper mouth of the hollow spindle.
  • Such a device is already known as prior art, which is constructed in such a way that two suction pipes are used as fiber suction channels (DE-OS 27 53 349). about one.
  • a suction pipe can be closed by a slide valve.
  • a spun fiber bundle is pulled into the suction pipe to remedy a broken thread.
  • the wrapping yarn is returned to a location between the delivery roller pair and the hollow spindle and sucked into the other suction tube.
  • the suction air flow in the first suction pipe is interrupted with the help of a slide. Now the hollow spindle is put into operation, which has the effect that the wrapping yarn located in the second suction tube and the binding thread are withdrawn from it and thereby form a thread balloon.
  • the spun fiber bundle is released by the latter and reaches an interior of a housing through an opening.
  • the bundle of spun fibers is grasped by the thread balloon formed by the binding thread and the wrapping yarn and ver ⁇ with both
  • a housing which surrounds the binding thread spool. This results in a constructional and spatial effort, and access to the binding thread spool is also made more difficult.
  • the prior art also includes another device for spinning on a winding yarn, the spinning after a thread break being carried out by means of a slot by inserting the thread behind the pair of exit rollers (DE-OS 29 30 798).
  • a thread holding device is required in the area of the pair of output rollers, a switch-on device for thread take-off also having to be used, which comes into operation when the winding spindle has reached operating speed. Precautions are also required to allow the thread to enter the exit roller pair and the take-off roller pair.
  • the high structural and structural outlay is also disadvantageous here.
  • the object of the present invention is to improve a device of the type mentioned at the outset in such a way that there is a simplification of the outlay in terms of apparatus and ease of use while increasing the safety when re-threading after thread break at winding spinning stations.
  • a housing provided with a main channel is arranged between the pair of delivery rollers and the hollow spindle, that the fiber suction channel opens into the main channel and that a closure member which can interrupt the suction effect of the fiber suction channel is movable in the housing stored, is.
  • Closure member can be designed, for example, as a slide, flap, diaphragm or hose clamp.
  • the closure member can be movably mounted in the housing at the mouth of the fiber suction channel in the main channel.
  • the closure member UR be formed as a tube.
  • a thread suction channel opening into the main channel can be arranged in the fiber running direction behind the mouth of the fiber suction channel.
  • the tube can be rotatably mounted in the housing transversely to the main channel about its longitudinal axis and can be provided with cutouts in the wall. The fiber suction duct and the main duct can be closed off in the desired sense solely by rotating the tube.
  • a swirl nozzle acting in the main channel can be arranged in the housing in the fiber running direction behind the mouth of the thread suction channel. This swirl nozzle helps to improve the piecing process after a thread break.
  • the tube can be arranged axially to the main duct in the housing, provided in the recessed wall with covers for closing the fiber suction duct and rotatable about its longitudinal axis. This also results in a functionally correct closing of the respective channels by good use of space, simply by rotating the tube.
  • the covers for the fiber suction channel can be offset by 90 ° compared to the covers for the thread suction channel, the tube being rotatable by 90 ° about its longitudinal axis.
  • the tube in the housing can also be arranged axially to the main channel and be movable in the longitudinal direction.
  • the housing can be movable relative to the hollow spindle and can have an airtight seal that can be placed against the mouth of the hollow spindle at the lower end of the main channel. This advantageously results in an increase in the suction effect, since the suction opening lies airtight on the upper mouth of the hollow spindle.
  • the fiber suction channel can lead directly and the thread suction channel into a suction channel for fibers and threads via a long thread guide tube.
  • This long thread guide tube can be designed as a loop.
  • shut-off can for example be designed as a slide, the slide provided with at least one passage opening "and is movable in at least one Offen ⁇ or closed position. Furthermore, it is Mög ⁇ friendliness that a sieve is arranged in the Fadenansaugkanal and that the slide with two through openings is provided in front of and behind the sieve.
  • a further embodiment of the invention which is particularly suitable for coarser yarns, is characterized in that the thread suction channel is arranged on the side of the main channel opposite the mouth of the fiber suction channel, and in addition a closure member designed as a slide crosswise upstream of the mouths of the fiber suction channel and the thread denansaugkanals is movable into the main channel.
  • Another advantage is the longer, free yarn length for the fiber attachment during piecing.
  • the slide can be used to seal the main channel in a sealed manner, which advantageously increases the negative pressure on the hollow spindle and thus facilitates the suctioning of the thread end.
  • the slide can Have lip, which in the retracted position of the slide, in cooperation with a wall section of the thread suction channel, narrows the cross section of this thread suction channel to a narrow passage that resiliently retains the suctioned thread.
  • the slide can consist of a sleeve which can slide in a bore in the housing, the front and rear sides of which are closed and the wall of which is directed towards the mouths of the thread suction channel and the fiber suction channel, which results in a simple construction of the closure element ⁇ that results.
  • the slide can be spring-loaded and can be locked in the position connecting the mouths of the thread suction channel and the fiber suction channel.
  • a closure member that can interrupt the suction effect of the fiber suction channel can be arranged, which has a distance from the clamping line of the pair of delivery rollers that is greater than the length of the fibers to be processed.
  • Figures 2 to 5 an embodiment of the invention in a schematic side view.
  • FIGS. 11, 12 and 13 a side view of a construction of the device according to the invention in the design according to FIGS. 2 to 5 in different process states;
  • Fig. 14 is a front view of the device according to
  • FIGS. 21 and 22 a further embodiment of the invention in two vor ⁇ lying under Kunststoff ⁇ union positions.
  • the device shown in FIG. 1 for spinning a wrapping yarn has a pair of delivery rollers 1, a downstream wrapping spindle 2 designed as a hollow spindle with binding thread bobbin, a pair of take-off rollers 3 and a winding device 4. Furthermore, a tangential belt drive 8 is provided for the winding spindle 2.
  • a housing 5 is arranged between the pair of delivery rollers 1 and the hollow spindle 2, the interior of which is connected to a suction channel 7 via a connecting line 6.
  • the first embodiment of the invention shown in different process stages in FIGS. 2 to 5 has in a housing 5 a main channel 14 into which a fiber suction channel 9 and a thread suction channel 10 opens behind it in the direction of grain.
  • FIG. 2 shows the normal running of the fibers 11, which solidifies into yarn by giving false twist by the winding thread, is drawn off by the pair of draw-off rollers 3 according to FIG. 1 and is wound onto the spool of the winding device 4.
  • Fig. 4 the state is shown in which the end of the broken thread 12 in preparation for the removal of the thread break is sucked a little further into this thread suction channel 10 while still delivering it back.
  • the take-off can take place in the creeper gear when the spindle carrying the winding filament spool is put into operation. .
  • the incorporation of the fibers in the thread 11 takes place through the incorrect rotation of the thread by the winding with the winding thread running tangentially to the thread under tension.
  • This false twist and the deflection of the fibers 11 to the thread 12 can be carried out by a pneumatic swirl nozzle 16 arranged behind (below) the mouth of the thread suction channel 10 in the main channel 14 in the direction of fiber travel, which is switched on and simultaneously with the closing of the fiber suction channel 9 is switched off again after the thread break has been eliminated.
  • This swirl nozzle is shown in more detail in FIGS. 11 to 14.
  • the fiber suction channel 9 is opened again, so that in the event of a further thread breakage, the fibers which are fed in and are no longer spun can be sucked off immediately. In order not to weaken the suction effect of the fiber extraction duct 9. it is advisable to close the thread suction duct 10 after a thread break has been eliminated.
  • the thread suction channel is designed as a loop 10 ′, which leads into the uniform suction channel 7 for fibers and threads is also directly connected to the fiber suction duct 9.
  • the loop 10 ' is so long that it can accommodate the longest piece of thread that may be sucked in without its end protruding into the suction channel 7.
  • separate suction channels 7 / and 7 ' can be provided, the fiber suction channel 9 leading into the suction channel 7 and via a line 10 "of the thread suction channel into the suction channel 7" for threads.
  • the fiber suction channel 9 and the thread suction channel 10 are provided with through openings 42 and 43 as well as 44 and 45. Between these through-openings there is a slide 40 with the two openings 46 and 47.
  • FIG. 8 shows the normal position in which, according to item 1 of the slide 40, the thread suction channel 10 is separated from the suction: the full suction acts the fiber suction channel 9, so that in the event of a thread break, all fibers that are no longer spun can be suctioned off immediately.
  • Fig. 9 shows the thread suction position, wherein the slide 40 is in position II.
  • the slide 40 is guided all the way to the right, so that there is a connection between the channels 9 and 10 behind the screen 41 via the passages 42, 44 and 46, which are congruent. So that the space behind the screen 41 is connected to the suction.
  • the thread is sucked in and deposited on the sieve 41, from where it is drawn off again during the actual piecing process after the trigger has been switched on.
  • FIGS. 11, 12 and 13 The embodiment of the invention shown schematically in FIGS. 2 to 5 is explained in more detail in FIGS. 11, 12 and 13. It can be seen here that a housing 5, in which the main channel 14 runs, is arranged in the space between the delivery roller pair 1 and the hollow spindle. Inside the housing 5 there is also the fiber suction duct 9 and the thread suction duct 10, both of which can be connected to the main duct 14 via a pipe 15.
  • This tube 15 is rotatably supported in the housing 5 in this embodiment, transverse to the main channel 14.
  • recesses 19 and 20 and terminations 21 and 22 are provided in the wall of the tube 15. It can be seen here how the two channels 9 and 10 can be closed in a functionally correct manner via the terminations 21 and 22.
  • the representation according to FIG. 11 corresponds here to the schematic representation according to FIG. 2.
  • the swirl nozzle 16 is likewise located in the housing 5.
  • a seal 17 is provided below the housing 5.
  • the seal 17 is provided which, according to FIG. 12, lies airtight on the upper mouth of the hollow spindle by pivoting the housing 5 in the direction of arrow I.
  • the housing 5 is designed to be tiltable, and the housing 5 can be tilted according to FIG. 1 about the axis 30.
  • a knurled handle 18 can be provided for rotating the tube 15, which cooperates with a locking device 31.
  • FIGS. 15, 17 to 20 there is also the possibility that the tube 23 in the housing 5 is arranged axially to the main channel 14 in the latter.
  • covers 27 and 28 according to FIGS. 17 to 20 are provided to close off the fiber suction channel 9 and the thread suction channel 10.
  • the tube 23 can be rotated about its longitudinal axis with the aid of the handle 24 according to FIG. 15.
  • the covers 28 of the tube 23 for the fiber suction duct 9 are offset by 90 * compared to the covers 27 'for the thread suction duct 10.
  • the Rchr 23 is rotatable by 90 ° about its longitudinal axis. 17 shows the operating state: the fiber suction is open and the thread suction is closed, 0 ° being provided as the starting position. 18, the thread is sucked in, the fiber suction "is closed and the thread suction is opened. This state is reached after a rotation by 90 ° in a clockwise direction. If one turns by 180 °, the situation according to FIG 19: Here there is a supply of fibers 11, the fiber suction channel 9 and the thread suction channel 10. The situation results after 270 * rotation: FIG. 20: The piecing process is shown here, the fiber suction opening being closed and the Thread suction area is open.
  • the tube 26 in the housing 5 is arranged axially to the main channel 14 in the latter and is movable in the longitudinal direction II.
  • a functionally correct locking of the tube 26 can be brought about by means of a catch 25, as is also used in the embodiment according to FIG. 15.
  • the handle 33 which is connected to the tube 26, the tube 26 in the housing 5 can be moved axially to the main channel 14 in the desired sense.
  • the housing 5 is designed in such a way that on both sides of a main channel 14, through which fibers 11 run, which are twisted to give yarn by imparting false twist, a mouth 51 of a fiber suction channel 9 and a mouth 54 of a thread suction channel 10 are arranged.
  • a bore 55 is arranged offset by 90 °.
  • a slide 60 is mounted as a closure member in the present exemplary embodiment, horizontally displaceable.
  • This slide 60 consists of a sleeve which can slide in the bore 55 of the housing 5, the front 61 and the rear 62 of which are closed. Furthermore, this sleeve has a lip 80 at the front 61. The wall 63 of the sleeve facing the openings 51 and 54 is open.
  • the sleeve of the slide 60 is connected to a rotary handle 70 via a pin 64.
  • the bore 55 is closed at the rear end by a plate 71 through which the pin 64 of the slide 60 passes.
  • the plate 71 has a continuous threaded hole 68.
  • a thread 74 on the pin 64 is a thread 74 on the pin 64.
  • FIG. 21 shows the normal running of the fibers 11, which solidifies into yarn with the false twist given by the winding thread, is drawn off by the pair of draw-off rollers 3 according to FIG. 1 and is wound onto the spool of the winding device 4. If a thread break occurs now, when the hollow spindle 2 is shut down, the further ones are supplied and not
  • the end of a broken thread is returned to the suction area of the thread suction channel 9 and sucked into the channel.
  • the slide 60 is pushed to the right into the position shown in FIG. 22 by pressing the rotary handle 70 and the rotary handle 70 is rotated, as a result of which the thread 74 cooperates with the threaded hole 68 of the plate 71 to lock it is achieved in the position shown in FIG. 22.
  • the front side 61 bears against the end face of the mouth 51, so that the main channel 14 is sealed to increase the negative pressure on the hollow spindle 2.
  • the slide 60 After completion of the suction process, the slide 60 is returned to the starting position shown in FIG. 21. In this initial position, the slide 60 fulfills a further function in that, by means of the force of the spring 65, it clamps the thread in the gap between the lip 80 of the slide 60 and the wall section 81 of the thread suction channel 10 so that it later closes off in the taut state the thread suction channel 10 is pulled out.
  • the fiber suction channel 9 is now opened again and the feeding of the fibers 11 into the piecing device is resumed, the fibers being sucked into the fiber suction channel 9 after they exit the pair of delivery rollers.
  • the last phase of the piecing process is initiated by the hollow spindle 2 being put into operation by pressing the tangent mechanism 8 and the fiber suction channel 9 being closed again. Simultaneously with the completion of the fiber • Suction channel 9 the take-off of the thread is resumed by the take-off roller pair 3, so that the fibers i 1 lying against the thread are integrated into the thread and drawn off with it - a process which continues and continues ⁇ ongoing formation of a thread leads.
  • the piecing process of a wrapping thread can also be carried out for coarse threads.
  • the suction effect is so great that these coarse yarns, for example made of bristly carpet fibers, can also be sucked in.
  • the end of the broken yarn or thread can be brought close to the nip line of the pair of delivery rollers and thus a good connection of the fibers with the thread can be achieved.
  • the trouble-free suction of the spinning fibers with the thread end already inserted into the thread suction channel is nevertheless ensured.
  • a retention force acts on the sucked-in thread end, so that the thread is pulled out of the thread suction channel 10 tightly and without loops during the piecing process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

Le dispositif comprend une paire de cylindres (1) delivreurs suivie d'un arbre creux (2) pourvu d'une bobine de fil d'attache, une paire de cylindres detacheurs (3) de meme qu'un dispositif enrouleur (4). Entre la paire de cylindres delivreurs (1) et l'arbre creux (2) est dispose un boitier (5) dans lequel se trouvent un canal principal, de meme qu'un canal aspirateur de fibres et un canal aspirateur de fils. En plus, dans le boitier est dispose de maniere mobile un tube d'interruption de l'effet du canal aspirateur de fibres. Ce tube peut etre dispose en travers du canal principal et mobile autour de son axe longitudinal ou dispose dans la direction de l'axe du canal principal et mobile autour de son axe longitudinal ou deplacable dans le sens longitudinal.
PCT/DE1982/000116 1981-06-02 1982-05-29 Dispositif pour joindre en filant les extremites d'un fil a enrouler WO1982004269A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19813121866 DE3121866A1 (de) 1981-06-02 1981-06-02 Vorrichtung zum anspinnen eines umwindegarns
DE3121866 1981-06-02
DE19823214352 DE3214352A1 (de) 1982-04-19 1982-04-19 Vorrichtung zum anspinnen eines umwindegarns
DE3214352820419 1982-04-19

Publications (1)

Publication Number Publication Date
WO1982004269A1 true WO1982004269A1 (fr) 1982-12-09

Family

ID=25793626

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1982/000116 WO1982004269A1 (fr) 1981-06-02 1982-05-29 Dispositif pour joindre en filant les extremites d'un fil a enrouler

Country Status (3)

Country Link
EP (1) EP0079926B1 (fr)
JP (1) JPS58500861A (fr)
WO (1) WO1982004269A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009259A (en) * 1977-11-30 1979-06-13 Schubert & Salzer Maschinen Method and apparatus for making join in a bound yarn
GB2058864A (en) * 1979-07-28 1981-04-15 Schubert & Salzer Maschinen Method and apparatus for effecting a join in a bound thread
GB2076863A (en) * 1980-05-31 1981-12-09 Schubert & Salzer Maschinen Apparatus for effecting a thread join in a bound yarn

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912765B2 (ja) * 1976-04-06 1984-03-26 東レ株式会社 結束紡積糸の製造方法および装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009259A (en) * 1977-11-30 1979-06-13 Schubert & Salzer Maschinen Method and apparatus for making join in a bound yarn
GB2058864A (en) * 1979-07-28 1981-04-15 Schubert & Salzer Maschinen Method and apparatus for effecting a join in a bound thread
GB2076863A (en) * 1980-05-31 1981-12-09 Schubert & Salzer Maschinen Apparatus for effecting a thread join in a bound yarn

Also Published As

Publication number Publication date
EP0079926B1 (fr) 1986-04-09
EP0079926A1 (fr) 1983-06-01
JPS58500861A (ja) 1983-05-26

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