DE2001246A1 - Apparatus and method for heating yarn - Google Patents

Description

DR. INg. A. VAN DER WERTH DR. FRANZ LEDERER M HAMBWRq »0 8MONCHENiO WIlSTORFtK STR. 3 »- TEL. (With) 77 SI »1 IUCIlE-C R AH N-STR. ti · TEl. 10111) 44 »I 46

Munich, January 12, 1970 L / Bü

Applicant: The Klinger Manufacturing Company Limited, Silver Street, London N.iO., England

Apparatus and method for heating yarn

The invention relates to apparatus and methods for heating runnings, particularly, but not exclusively, to such devices and processes as are used during the manufacture of synthetic fibers such as continuous Fiber acetate, tri-acetate, polyamide and polyester yarn formed yarns are used.

The processing of such yarns often requires the yarn to be subjected to a heat treatment which has various functions or can be included in various functions, such as drawing, shrinking, stabilizing, false twisting or heat setting. |

According to one form of the invention, apparatus for heating running yarn comprises a container through which the running yarn passes through for heating and in which a fluid is kept in circulation, which itself is provided by a Heating device in the container is heated and the yarn is heated.

009839/2108

The heater can be installed in a nioht of running oarn traversed part of the orbit, and "was sweekmäAigerweise so that it had a convective circulation of the fluid in the container ereeugt.

The device includes a deflector which is located within the Container is arranged and around which the fluid circulates. The heater is in the fluid path located on one side of the deflector and the container is on the opposite side of the deflector with guides sum of passing the running yarn through. With such a construction, between the container wall and the Deflector on one side of the deflector of these parts be included a part of the orbit, the flow area of which upwards su decreases «whereby the liquid is accelerated upwards, and can on the other hand of the deflector, a part of the orbit must be delimited between it and the container wall, the Durohflussquersohnitt lets the liquid flow very quickly.

Such a device can, for example, advantageously be used in a Falaehzwimmaschlne for reheating of false-twisted, crimped oarn.

The invention also provides a method for treating running yarn made from artificial fibers, which results in an after * includes heating the yarn in its misplaced crimped condition by moving the yarn through an agitated hot Fluid is guided.

The fluid is conveniently air and is circulated by convection, with the yarn in the same direction runs like the fluid touching it.

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009839/2106

Ue device and the method according to the invention can a part of the FaleohswirnHKräuselvorriohtung bsw. one corresponding procedure. With the invention, the sum setting of the yarn in its false twist Any necessary heating will be carried out »moreover The invention can also be used for pre-heating or post-heating des Qarns sur application.

An example embodiment of the invention is illustrated below the reward explained in more detail. Show it:

Figure 1 is a digram-like front view of part of a

Faleohwire curling device with a device according to the invention Heating device;

FIG. 2 shows a cross section through a Erwämingsvorriohtung ™ according to the invention; and .

FIG. 3 is a partially sectioned front view of the heating device according to Figure 2.

The described embodiment of the invention includes one Warming device, which is in a false twist curling device is used to warm up the yarn after its false twist. The warming torrent may for example be of the type known from British Patent 1,098,135 and has a extended contact surface. It is also possible that in Besug on Figures 2 and 3 described heating "

Devices for heating the Qarn during the Falsoh-Bwirn-Krause process as well as for preheating see below.

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The Felschsirirn-Krtuselaaeehine in detail FIG. 1 contains Oamvorratsepulon 1, Qarnspanner and twist locks 2 and a large number of livestock stations are served in an initial storage device 3. Kurt described, belong to this first Brwaraungsvorrlchtung 3 a long * stretched ear H ₉ you "I length the length of the Krauselaasobine first * eoct ₉ and Oerne 5 leading * guides 6 and 7, which the oarne with an inclined path over a convex BeisflAobe 8 des Pipe H. Beisflache 8 is brightened up by the tendinous circulation of oil through the pipe H. A suitable thermal insulation 9 is provided on all seldom of the SmirBungsVorriehtung old with the exception of the Beisfliehe 8.

The Palsohswirn-Xrluselsasohlne also contains Äsehewlrnvorriehtungen 10 _{9 from} which the oars run from the guides 7 · and snangaliuflge feed roller H ₉ which the oars from the motor locks 2 over the Irvtraungsrorlohtung and runs through the valley brakes in the Xvirnvorriehtungen 10 the yarn up to the Svirnungesperren ^ surttek, • o da * the Ivirnung in the Oarnen sur Since ₉ since the gladly passed the Palsehctrirnvorriehtung 10, see has fixed ₉ and when you leave the Vorrlehtung 10 the oars are ruffled State.

The supply rollers 11 convey the oars into the inlets 12 of a 'voehtMng 13' which will be described later on in accordance with FIGS. 2 and 3. Duroh run Pie Oarne the Inritautigsvorriehtitiig 13 and then "parent su advancing sheaves 14 Xn operation is the ratio of the Yorsehubgesehwindigkeiten of rollers 11 to"'he Seneiben IH adjusted "so that" a suitable relaxed Zstad in dureh the Erwäraungsvorricbtung 13 laude Oarnen prevails as it is necessary for the replacement of the required "post-warming-treated, fisted oarn product.

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009839/2106

The Oarns to Osrnaufwiekel arrangements run from the Soheiben IH, which are not shown in full for the sake of simplicity and contain the Oarn take-up packages 15 and peripheral drive rollers 16. The Qamaufwiokel arrangements also contain package transverse guides not shown for each Oarn and, if necessary, yarn overflowingToiToiToiToiTo transfer of Oarn from a full to an empty take-up spool. Solehe Oarnaufwickel arrangements can one "one one in the UK from patents 1,090,892, 1,123,793 and 1 123 79 ¹ I known manner be constructed.

As shown in more detail in Figures 2 and 3, the IrwirmmgsTorriohtung 13 to a »frame 17 of the Krftuselmasehlne “Fastened with the help of support brackets 18 and 19.

The heating device 13 surrounds a container 20 which extends in the longitudinal direction of the crinkle laasohine and is thus available to a number of processing stations. The Benliter is about twice as high as it is wide. It is surrounded by a sheath 21 which is filled with heat-insulating material 22. Inside the container 20, an electrical resistance wire 23 runs through 2% gills at the ends of the heating device, which is carried over its length by baltern 25. The hot wire 23 is on one side of a hollow deflector. 26 placed near its lower part. The deflector 26 extends along the length of the container 20. Its thickness decreases towards the bottom (FIG. 2) and it defines, within the container 20, an internal supply air circulation path with two track parts 27 and 28 of such a configuration and dimension that the Air heated by the hot wire 23 rises by convection in part 28 and accelerates due to the decreasing DurohfluidAquerSchnitts near the top, whereupon it in the opposite part 27 of the circulation path, which is about half as wide as part 28 on

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The location of the hot wire 23 moves down very quickly. The container 20 has old opening guides 29 and 30. that the lady swings through the train ·! 1 27 hike near the bottom, i.e. in the same direction in which in this part 27 the hot air flows. The guides can be provided with ceramic inserts 31, which the which course of the Oarns improve.

The heating pre-devices 13 are provided with Snd coverings 42 and 43 verse. As shown in Figure 3 at 44, 1st It is possible to have two heating »device · η 13 hub together to arrange so that Erwännungseinrlehtungen can be installed »which the appropriate Ansabl of Oarnbahnmn along the Have the overall length of the crimped masobine. The Distractor 26 is within the container 20 by means of fasteners 45 and 46 attached to an inner wall 47 of the container sitsen, set.

The ventilation device can be equipped with a regulator device sum regulating the temperature of the circulating air. The temperature control device can Influence the heat output of the healing device according to the temperature of the descending air.

With the arrangement shown and described, it is possible to make the yarn smooth and effective thanks to the fast moving hot air flow in part 27 of the circulation path see below heat. Although the air circulation is only induced by convection, it has been found to be very satisfactory Oil resistance of the temperature over the heating device and can be built vertically within the part 27, and, because a constant, even flow of air can also be achieved.

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009839/2106

Xa der rraxie run 41 · Oarne γοη in Figures 2 and 3 flees the depicted Felscbiwirnköpfe ivlsohen swangslluftaeft Roll 32 and 33 through, through which Erwti snsa ^ H SfI lives ung 13 and with fluctuating drive life 3 *, 35 and 36 hinduoh. The discs 3? and 3 * have an end plumb line BItMa * Dm flarn oil further eu one in the figures 2 ttpd $ niently shown winding device. The VorühHtoelXtii 32 and the Seheiben 31 are buried by shafts 38. Sf driven and the roller 33 eovie the disks 35 and ) and old a lever arrangement HO b »w. Hl Equipped. sdt their help · dit the respective inevitable advance contraction if necessary, the yarn can be paid for.

For example, 1/150/32 polyether yarn was processed in the direction described above. The Qarne ran ait I% Oberrorsehub fiber the Erwirsnangsvorriehtung 3 at 210 ° C. The Falsehsvlrnvorriohtungen 10 were β 250,000 Qsdrehungen "· IUnttte twisted and shared the moving yarns 65 turns per mad old. The oarns then ran through the swirling 13 at 200 ° C old 2 % overprovided.

Dft · produced oars, puffed oars τοη were lower treelnag and lower splittance.

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009839/2106

BATH

Claims (10)

-8-Fat test certificate 1) Device Bum heating current Qarns, not calibrated through a container (20) through which the running Oarn (5) runs through the warmth and into the de * Fluid circulates, which itself through «ine Beizvorrichtung (23) which container is erhlfct and that Oarn warmed. 2) Device according to Claim 1, characterized in that » that the HclBvorrlehtung (23) is arranged in a file (28) of the circulation path, which is not from the current Oarn (5) is enforced. 3) Device according to claim 2, daduroh gekennseiehnct, because of the arrangement of the heating device (23) Convective circulation of the fluid in the container (20) arises. 4) Device according to claim 1 or 2, characterized in that there is a deflector (26) around which the flow medium circulates, arranged inside the container (20), daA turns on the heater (23) in the fluid path. one side of the deflector is arranged and the container guides (29, 30) to guide the current Qarns (5) through .the container on the opposite one Has side of the deflector. 5) Device according to claim 4, characterized in that since the container (20) and the deflector (26) wipe each other On one side of the deflector, limit a part (28) of the circulation path, which goes up in its cross-flow path downsized, causing the fluid to follow 009839/2106 up is accelerated, and «wipe see on the other Side of the deflector limit a part (27) of the circulation path with a flow cross-section that corresponds to the Fluid gives a high flow velocity. 6) Device according to one of claims 1 to 5, gtkenne · is worthwhile through its use as a warming device in a false twist curler. 7) Device according to claim 6, characterized in that * it is used to warm up false twisted yarn. 8) method of treating running yarns made of synthetic fibers, in which the thread is in a false twisted state is subsequently heated, characterized by the fact that the Qarn (5) sun warmth through a flowing healing fluid runs. 9) A method according to claim 8, characterized in that the fluid is air. 10) Method according to claim 8 or 9, characterized in that because the fluid circulates by convection and the flow in the same direction as that in contact with it Fluid is moved. 009839/2106 8AD Blank page