DE2051754A1 - Method and device for attaching threads - Google Patents

Description

P + Gin 70/386.

Method and device for attaching threads

The invention relates to a method for the attachment of strands at Kingspinn- or Hing twisting machines, the spinning unit with missing yarn tracked and on the spinning ring is exploiting Dende King rotor is determined, and an apparatus for automatically King traveler changing the major c hf clock ung "of the process. ·

Thread breaks on spinning machines usually occur as a result of errors in the roving and web unevenness. To a large extent, however, thread breaks are also caused by damaged or burned ring travelers and can then only be remedied permanently if the cause of the thread breakage is eliminated by replacing the ring traveler.

The previously known automatic attachment devices do not take this fact into account. You restrict make sure to attach the broken thread back to the spinning triangle and are therefore no or only have very short-term success. The result are two or more attempts to attach, through which the trip the attachment device is delayed and the production loss of the spindles to be operated by it.

209818/088 3 ./.

BATH ORIGINAL

The object of the present invention is to ¹ the success. of attachment also in those cases in which a damaged ring traveler is the cause of the thread breakage. This is achieved according to the invention in that, before each application, the ring traveler located on the spinning ring is removed and replaced by a new ring traveler. The new ring traveler is placed on the spinning ring together with the thread to be attached underneath the ring traveler, which avoids threading the thread under the ring traveler placed on the spinning ring and simplifies the construction of the device. Previously, the ring traveler determined on the spinning ring is pushed over the device for removing the ring traveler that is located on the spinning ring and then lifted out.

By changing the ring traveler before each start the success rate when piecing is increased and the number of thread breaks is reduced. In addition, this measure leads to that all ring travelers of a machine are gradually renewed. As a result, the regular rotation of all ring travelers in a machine, which was previously based on a specific Running time of the ring traveler must be carried out, are omitted. The common change of all ring travelers of a machine remains limited to changing the lot with changing the yarn number.

The invention also relates to a device for automatic ring traveler change on ring spinning and ring twisting machines, which are used to carry out the method according to the invention is included in the construction of a device for the automatic attachment of sutures. However, it can also designed as an independent device 3ein and as such the periodic change previously carried out by hand the ring traveler on the machines take over. The one with a Ring traveler search device equipped device for automatic ring traveler change .Ls t according to the invention longitudinally

2 0 9818/0883

BATH

20517

the Haοchine movable and has a device for Removal of the determined ring runner as well as one from a Rest position via the spinning ring movable ring traveler attachment device on. Another component of the device according to the invention is a stationary one and the movable king-runner attachment device feeding ring run ermagnEin. It consists of a vertical, rod bent horizontally at the lower end.

The device for removing the determined ring traveler has a conical edge which is fitted in an arc shape to the ring shape. This allows the ring traveler identified on the spinning ring to be pushed safely over the edge by the ring traveler search device. In order to ensure that the ring traveler on the spinning ring always comes in a position cum Stilüctand in which it is gripped by the edge, the device ζ, υ.ζ, removing the determined ring traveler has a stop for fixing the determined Riηgluufert; on. A simplification in the IIer ;; tc.-llur.g is brought about by a straight line K: Uit <3 ZYC. Reached removal of the ring traveler. A container that catches the ring traveler that has come out of the spin ring prevents that ;; uci · ring traveler after üc-in ^ -ir. Sputum falls on the ground and may be trodden there.

The Erfinäui ^; is shown in the accompanying drawings and is described in more detail below with reference to these drawings. Ee show:

Pig. 1 eir.e pererective general view of a Fr.den- ^ ni-: eti: \ device with the device according to the invention to replace the ring traveler;

2 09816/0883

BATH ORIGINAL

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■ can be. The shaft 26 is in bearing shields "27," 27 ' and 28, 28 'wearing different puncture studs, stored. A bevel gear 250 is fastened on the shaft 25 and drives the gear 252 via a bevel gear 251. That Gear 252 is in engagement with the rail 20, which is designed as a rack in the lower part, and rolls on it from, whereby the housing 2 and thus the thread attachment device a movement along the spinning machine 1 is given.

The shaft 26 is designed as a spline shaft in the part lying between the end shields 27 and 27, in order to be able to move the lower housing part formed by the end shields 27, 27 'on it and thus adapt it to the respective ring rail height. A guide 272 prevents the lower housing part from rotating when sliding. Constructive solutions for moving the lower housing part up and down are known per se. In this case, a sensing means 15 senses the position of the ring rail 14 from continuously, wherein a for example, is arranged in the gear box drive and thus the entire lower G _e housing bearing spindle 273 that continuously presses against an end shield 27 of the ring rail height. . ■ ■.

The undercarriage comes to a standstill when the attachment device has reached a spinning station, the inspection of which by means of a photocell 253 and reflector 255 shows that the spinning thread F emerging from the drafting system 11 and being wound onto the tube is broken. In this case, the gear located in the gear box 24 is switched over by an electrical impulse, whereby the shaft and thus the chassis are stopped and the shaft 26 with the cam disks attached to it is set in motion to control the setting processes. The ünge which are the subject are not the i'k'findung be naohstehend only to the extent explains how s required to Verständn.iij the invention.

209818/088 3

BAD ORi ¹ QfNAL

205175A

To prepare a stitch holder H is provided which on _-, _s>; ... the plug end on a mandrel 3 supply spool S ".aufge- ■ _·... · - _IC is wound up and rake-like of this by one of - ■; {·, Fadenabwickel- formed and metering device 32 in the, "^ ₌ required length is unwound * the end of the Hilfsjfadens H is located at the unwinding in the vertical portion of the tube 40, which in relation to the on. The auxiliary thread length unwound from the bobbin S is deployed in front of the spinning station by means of compressed air, which is supplied from a suitable compressed air source to a valve 4 connected to the tubes 40, 41 The opening of the valve 4, which takes place when the clamp 31 is closed and the clamp 31 'is open, the auxiliary thread H is torn by the compressed air through the pipes 40, 41 and, after it emerges from the vertical part 410 of the pipe 41, passes the guide tube hr 42. A thread clamp 44 pivotable about the axis 282 now presses the auxiliary thread H against a plate 421 fastened to the guide tube 42 and thereby clamps it firmly; after the auxiliary thread is clamped, the supply of compressed air is cut off. At the same time, the terminal 31 'is closed and the terminal 31 -opened. ■.

While the auxiliary thread H in the manner described before Spinning position is laid out, a traveler search device 5 determines the ring traveler located on the spinning ring 140 141 and pushes it over a rotor ejector 6, which in the meantime is attached to the front of the spinning ring 140 has been brought up. The runner direction is not the subject of the invention and is therefore not detailed described. .

209818/0 883

BAD OBtGiNAL

1051754

The plate-shaped and preferably made of Feders bare barrel builder 6 is with its movement mechanism arranged on the end shield 27 and has a hook-like end on one end facing the spinning ring 140 Edge 60 (Fig * 3) * Me Edge 60 is arcuate in shape des Spiiinringeo 140 adapted »which means they are in the plant. on the spinning ring this partially includes' the one on the spinning ring Ring traveler 141 located in 140 can thus be removed from the search device 5 can be pushed safely over the edge 6 © * In order to prevent the! Ring traveler Ί41 by the rotating Kops generated air fairness beyond the edge 60 is moved j the rotor thrower 6 appropriately has one Stop 61 for fixing the ring traveler Hl over the edge 60 *

The movement of the runner "-ausweifers 6, guided in a guide plate 631, to the spinning i4ö and away from this is controlled by a cam disk (not shown) attached to the center 26 (Mg * 1) via a lever 62 (FIG. 2). , which is connected to the rotor extension 6 by means of a pin 620. The guide plate 631 is attached to a lever 63 which is pivotable about an axis 630 in the bearing blocks 275 and 276 and to which the tie rod 640 of a lever 64 is articulated * Its roller (not shown) rests on a cam (not shown) attached to the Yfelle 26 (Fig. 1); the lever 64 is actuated as soon as the ring traveler 141 is above the edge 60 of the traveler ejector 6 (Fig. 4) * The actuation of the lever 64 causes the barrel he ejects 6 as a result of the pivoting of the lever 63 among other things moves the axis 630 upwards «In doing so, its hook-like edge 60 grips the ring traveler i4i and throws it out of the spinning ring 140 * The ejected ring traveler I4 I meets a Fangpiatte 650 _f of ¹ from it in a fastened to the bearing plate 27 container 65 slides * Ilach removal dea RiiitSläufers 14I from the spinning ring I4O 6 returns the ejector runs back to C for one starting position.

The rotor ejector 6 can of course also have a different shape. For example, instead of the hook-like edge 60, a straight edge 600 can also be provided (FIG. 6). Such a straight edge 600 is In particular, it can also be used advantageously in automatic attaching machines in which the ring traveler is not exchanged, but the thread is threaded into the ring traveler on the ■ spinning ring. The device 6 can bei.die.sen Attachment machines can be used to hold the ring traveler on the spinning ring in the threading position. The ejection mechanism then not applicable.

A new ring traveler is placed on the spinning ring 140 by means of a ring traveler ^ AufSetzeinrichtung 7 (Fi ^ * ^ and 2), which is fed by a stationary ring traveler magazine 66. The ring runner er.magaz in 66, on which ring runner 141 'are lined up (FIG. 2), consists of a vertical rod, bent horizontally at the lower end, and is fastened to a plate 660 connected to the end shield 27'. To illustrate the formation of the ring running magazine 66, the plate 660 in FIG. 2 has been interrupted. The ring travelers 141 'lined up on the ring traveler magazine 66 are pressed by their own weight against the ring traveler attachment device 7 located in receiving position a or against a stop 67 which is rotatably attached to a bearing part 270' of the end shield 27 'and is rotated by rotating the shaft. '67O is adjustable to the respective strength of the ring traveler Hl ¹ .

The ring traveler placing device 7, which is designed in the manner of pliers consists of a lever 70 and a clamping part 71, which are connected to each other are rotatably connected by a bolt 72.

By means of a spring clip 73, the one having a nose 710 is secured Clamping part 71 pressed against the lever 70, which has a stop 700 and is mounted in the double lever 75 by means of the axis 7; 4. The double lever 75 is around one in the bearing blocks

209818/0883

BATH ORIGINAL

275, 276 attached shaft 750 pivotable. A lever 76 is arranged offset from the lever 70 on the axis 74 and is guided in a curved path 761 by means of a roller 760. The movement to the spinning ring 140 and away from the ring traveler magazine 66, the wound-rotor mounting device 7 (not shown) by a fixed to the shaft 26 (Fig.1) cam via a lever 77 (FIG, 2) and the one of him and Leg of the double lever 75 hinged pull rod 770 granted.

During the return movement of the ring traveler-Aufsetzeinrichtung 7 from Spinning ring 140 in its starting position a pushes nose 710 of the clamping part 71 against a stop 78 fastened to the bearing part 270 *. As a result, the clamping part 71 is against the force of the spring clip 73 open. The path of the nose 710 and thus the opening width of the clamping part 71 is determined by the stop 700 of the lever 70 is limited. In the opening of the ring formed by lever 70 and clamping part 71, which is adapted to the shape of the ring traveler Pincer mouth, which is best seen in Fig. 8,9, slides from the ring traveler magazine 66 a ring traveler 141 ', the ring traveler is held laterally by the stop 67. By the subsequent movement of the ring traveler Aufsetzeinriehtung 7. In position b, the nose 710 moves away from the stop 78, so that the clamping part closes under the action of the spring clip 73 and the detected ring traveler 141 'between the clamping part 71 and the lever 70 is held.

In position b, in which the ring traveler Aufsetzeinriehtung 7 during the laying out of the auxiliary thread H in front of the spinning station and the search for and ejection of the ring traveler 141 is located, the auxiliary thread H is in the of the ring traveler Aufsetzeinriehtung held ring traveler 141 'inserted. For this purpose, the tube 41 is first rotated so that the angled pipe end 410 from its vertical position (Figure 8) reaches an approximately horizontal position. His The mouth 410 * is directed towards the spinning ring 140.

209818/0883

As a result of a subsequent axial displacement, the angled pipe end 410 with the auxiliary thread H emerging from its mouth 410 'is moved past under the ring traveler placing device, as a result of which the auxiliary thread H is inserted in the ring traveler 141' held by the lever 70 and clamping part 71 (FIG. 9). . After the end of the tube movements, an ^{air stream that later emerges from the blow nozzle 410 1} can sweep past the upper edge of the annular flange and almost touch the head rotating on the spindle. The ring traveler placing device 7 now moves the auxiliary thread H inserted into the ring traveler P 141 'with the ring traveler 141' held by it into position c and presses the ring traveler into the spinning ring 140 in area d (FIG. 7). Immediately thereafter, the ring traveler placing device 7 returns to the starting position a, detected; there in the manner described a new ring traveler 141 'and moves into position b. It remains there until the next touchdown process.

After placing the new ring traveler 141 'on the Spinning ring 140 is the auxiliary thread H from a feeder 8 applied to the spinning triangle, cut off by scissors 48 and extracted from the nozzle 410 'austre-λ tending air flow thrown at the rotating head.

2098 18/0883

Claims (10)

'!'"'! nil!«! »»!, ': '' .Bf !!!!! »!» [! Ι !!! '!!!!!' 111111 jt | j 11 j μ μ ι . ι. »ν I ₁ It- · P + Gm 70/386 Godparents say e Verfuhren to attach threads to Rängspinn- or Riiigz'.virnmr schinen, the spinning cell with missing Detected thread and the one on the spinning ring Hingläufer is determined, characterized in that before each, ..netzen the one located on the: spinning ring Ring traveler removed and replaced with a new ring traveler will. 2. Verfuhren nach .tiijj claim I, characterized in that the new ring traveler hum with the one under the ring traveler brought -iiisetsenden pads placed on the spinning ring v; ira. J. Verfahrer ii-xeh jinsj-ruch 1, characterized in that the determined hang-runner is used via the device brought to the spinning ring to: n remove the determined hang-runner and then excavated. 4. Device for the automatic transferring to ring spinning and xvingzwirnniaachinen, this device ir. is equipped with a runaway search facility, characterized by a device which can be moved along the machine for removing the identified ring traveler (6) and a ring traveler placing device (7) which can be moved from a rest position via the spinning ring. 209818/0883 BATH 5. Apparatus according to claim 4, characterized by a stationary and the movable ring traveler placement device (7) feeding king-runner magazine (66). 6. Device according to claims 4 and 5, characterized in that that the ring traveler magazine (66) consists of a vertical, bent horizontally at the lower end Rod exists. 7. Device according to claims 4 to 6, characterized in that that the device for removing the determined ring traveler (6) has a hook-like edge (60), which is arcuately adapted to the shape of the spinning ring (140). 8. Device according to claims 4 to 7, characterized in that that the device for removing the determined ring traveler (6) has a stop (61) for fixing of the determined ring traveler (141). 9. Device according to claims 4 to 6 and 8, characterized in that the means for removing the determined ring traveler (6) has a straight edge (600) which can be brought under the determined ring traveler (141). 10. Device according to claims 4 to 9, characterized by a container (65) which collects the ring traveler (141) lifted from the spinning ring (140). 209818/0883 BAD ORiGINAL