DE1560383A1 - Bobbin creels for textile machines - Google Patents

Description

Dipl.-Ing. F.VEiCKifan * Dr. Ing.A-Weickmann, Dipl-Ing. H.VeickmanV ^L Dipl.-Phys. Dr.K.Fincke Patent Attorneys · ^/; / 7

OGO g MÜNCHEN 27, MDHLSTRASSE 22, CALL NUMBER 483921/22

Hamel Projektierungs- und Verwaltungs-AG-, Horn / Thurgau

Spool gatter for textile machines

The invention relates to the construction of a creel for textile machines with a large number of bobbin-carrying mandrels and thread guides arranged in the extended bobbin axis for the threads running overhead from the associated bobbins in the direction of a processing point.

Pay-off spools on textile machines are usually in the axial direction the bobbin, i.e. overhead, unwound. For this purpose there is a thread in the extended bobbin axis from the bobbin center Guide provided through which the store of its processing station Ie is supplied. In order to achieve a long expiry time the coils with the 'largest possible diameter are attached and come together except for a small distance} therefore exists the danger that when you take a bath, that of <3 © r

Running bobbin hanging down thread end in the area of an adjacent one Coil or by air currents comes into the area of a feasible thread and is carried along by this. The processing agency If this neighboring thread then runs a thread too much and causes faulty and thus inferior goods during further processing,

The invention is based on the problem of a wrong thread course the threads running off of creels in textile machines as a result of breaking and skipping of a thread on one to prevent adjacent thread. To solve the set

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According to the invention, there would be the steeled on ο rne over the coil ends protruding extensions »

A rule of thumb for the dimensioning of the extension can be that it is dimensioned in such a way that the connecting line from the Tip of an extension to the thread guide assigned to the next adjacent slip-on element forms an angle of at least 30 ° with the coil axis belonging to this extension. If this rule of thumb is adhered to, as a rule, i.e. independent of how the surface properties of the mandrel extension is to be expected that in the case of a Fadenbruohs and skipping a thread to an adjacent thread running down the bobbin affected by the thread breakage Windings collected on the extension mandrel, taut

In
pulled and thus / braking frictional contact with the surface of the

Aufsteokdorn extension are brought.

009838/0237

■ · ■ ORIGINAL BATHROOM

An extension of 100 mm in length has "if adhered to the angle condition given above has been found to be sufficient. In that one is the extension of the mandrel roughened or profiled, the frictional properties can of course be improved, so that depending on the degree of roughening or profiling, shorter extensions and smaller angles may be used.

A particularly useful profiling is a helical one hat embedded in the surface of the mandrel extension. This groove can be set up so that the If the bobbin affected by the thread breakage is detached, place the turns in the groove when pulling it taut and there is strong friction Find.

can also train the extension as a wire helix and then has an absolute guarantee that in the event of a thread breakage and skipping of the broken thread to an adjacent thread detaching the bobbin affected by the thread breakage Do not unintentionally loosen the windings from the mandrel extension of this coil. This unintentional loosening but you can also safely prevent that you attach a catching organ at the free end of the plug-on mandrel extension, for example in the form of an annular groove or a widened head

Ujj. an extension with a certain coefficient of friction To be able to adapt different threads, it is useful to make the length expansion of the extension adjustable. gravel can be done very easily by making the extension adjustable in length.

There are all conceivable in which the presence of a mandrel extension when attaching the coil to the mandrel interferes, for example, when the distance from the free The end of the mandrel to the thread guide is shorter than that Length of the coil. In order to take this case into account, the arbor can be made disengageable. The disengagement can, for example be made possible by making the plug-on mandrel from an elastically deflectable material. But you can also ensure that the Aufsteckdornverläncerung be pushed back into a hole in the mandrel can · The fixation of the extension in its working position can be done in the latter case, for example, by a Carry out the helical compression spring in the hole of the mandrel is housed and pushes the extension into its working position.

The return of the extension against the loop of the coil spring can be done by means of an at the end of the Slip-on mandrel attached retraction member take place.

009838/0237

BATH ORIGINAL

The mode of operation with the creel designed according to the invention is the same as with known creels, as long as there is no thread breakage, i.e. they will load from their bobbins Pulled off overhead and the processing's parts through the thread guide fed. The deviation from the mode of operation of known arrangements occurs in the event of a thread breakage and skipping of the thread onto an adjacent thread by placing the turns on the bobbin affected by the thread breakage associated Steokdorn extension collected and pulled taut are with the formation of a further pulling off of the thread preventing braking friction between the broken thread and the Mandrel extension.

The attached figures explain the invention. It stel-1 en d ar:

Fig. 1 Partial view of a creel designed according to the invention s;

Fig. 2 and 3 different versions of the eye plug extensions}

Fig. 4 an adjustable mandrel extension; Fig. 5 shows a retractable mandrel extension; Fig. 6 shows a bendable mandrel extensiono

009838/0237

The payoff bobbins 1 are attached to payoff mandrels 2, the are in turn attached to a drain frame 3. The drainage mandrels have extensions 2 'of at least 100 mm in length. Each pay-off bobbin is assigned a thread guide 4, through which the running thread 5 on its way .zur not shown Processing site is performed. The thread guides 4 are arranged so that a connecting line from the front .End of the adjacent mandrel extensions 2 · deviates from them by at least 30 ° from the axial direction of the pay-off bobbins.

On the middle bobbin, Fig. 1 shows how, after a thread break, the thread end got into the area of the bobbin below, whereupon the thread end is attached to the thread running there and a short piece is taken with it. During this time, a few turns of thread are drawn off the middle bobbin, which are then transferred by the inclined train (in the same "number of turns) to the extension 2 ^{1 of} the discharge mandrel 2. This thread lies on the extension 2 'in a helical line after the pay-off bobbin to a decreasing pitch · This brakes the thread so that the thread is prevented from being pulled further from the center bobbin.

In Fig. 2, the extension 2 'of the discharge mandrel 2 is with a button-like collar 6 provided.

In Fig. 3 is the extension 2 'of the discharge mandrel 2 with a Annular groove 7 equipped. 009838/0237

According to Fig ο 4, the mandrel 2 is hollow and through this is the extension 2 'out. This can be moved lengthways and is locked by the two adjusting rings 8

According to Fig. 5, the mandrel 2 is also hollow and the extension 2 ^{1 is provided} for longitudinal displacement. However, it is locked in the working position by the compression spring 9, which is supported on the one hand on a Bohrungsabsatζ in the mandrel 2 and on the other hand ^{presses against an adjusting ring 10 on the extension 2 1.} The button 2 ″ is used to retract the extension if this is necessary when re-attaching the bobbins or for other reasons.

In Fig. 6 is the extension of the discharge mandrel as a spiral 11 formed, which can be pivoted away resiliently.

009838/0237

Claims (16)

Claims ο Construction of a creel for textile machines with a large number of of bobbin-carrying mandrels and arranged in the extended bobbin axis thread guides for the associated Overhead bobbins in the direction of a processing point running threads, characterized in that the slip-on ^ wear mandrels (2) protruding extensions (2 ') beyond the coil ends. 2. creel according to claim 1, characterized in that the extensions (2 ^! ) Are dimensioned such that the connecting line from the tip of an extension (2 ¹ ) to the next adjacent slip-on member associated thread guide (4) is at an angle of at least 30 with the includes the coil axis belonging to this extension (2 ^f). "3 · creel according to claim 2, characterized in that the Extension (2 ') is at least 100 mm long. 4. creel according to one of claims 1 to 3, characterized. e indicates that the surface of the extension (2 ¹ ) is roughened and / or profiled « 009838/0237 ORIGINAL INSPECTED 5. creel according to claim 4, characterized in that a helically extending hat is embedded ^{in the surface of the extension (2 1) «} Bobbin creel according to Claim 4, characterized in that the extension (2 ^f ) is formed by a wire helix (11). 7 · Spool creel according to one of Claims 1 to 6, characterized in that; a catching element (6, 7) is attached to the free end of the extension (2 ^1). 8. creel according to claim 7, characterized in that the catching element (6, 7) is formed by a Hingnut (7) 9. creel according to claim 7, characterized in that the catching element (6, 7) is formed by a widened head (6). 10. creel according to one of claims 1 to 9 »characterized in that the extension (2 ¹ ) is adjustable in length. 11. creel according to claim 10, characterized in that the Extension (2 ') displaceable in the hollow plug-on mandrel and is lockable. 12. creel according to one of claims 1 to 11, characterized in that the extension. (2 ¹ ) can be disengaged from its operating position, 009838/0237 BATH ORIGINAL 13 · Bobbin creel according to claim .12, characterized in that the Extension (2 ') is made of an elastically deflectable material. 14. creel according to claim 12, characterized in that the en
Extension (2 ') can be pushed back into a / hollow plug-on mandrel (2) and is biased towards its working position by a screw compression spring (9). 15. creel according to claim 14, characterized in that the Extension (2 ') by a retraction member (2 ") attached to the fastening-side end of the plug-on mandrel (2) against the Effect of the helical spring (9) is retrievable. 16. Procedure for. Feeding thread material from the bobbins stored on the creel according to claims 1 to 15 to processing points by pulling the threads overhead and passing them through the associated thread guides, characterized in that in the event of a thread break and the bobbin thread jumping over to an adjacent thread, those affected by the thread break Coil running turns are collected on the associated mandrel extension (2 ¹ ) and pulled taut with the formation of braking friction between the broken thread and the mandrel extension which prevents further removal of the thread » 009838/0237 BATH ORIGiMAL Blank page