DE1954816U - WINDING DEVICE FOR WINDING MACHINES. - Google Patents

Description

PA 6G2 802 * 12/17/66

^ PATENTANWÄLTE 8902 AUGSBURG-GöGGINGEN, 16 ο

ν. EidiendorfF-Strasse 10

DR. ING. E. LIEBAU Our reference Dr.Lb/r Az 6 A 4823

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DIPL. ING. G. LI E BAU

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A 20 456 / 76C Gbm

ALLMA

Allgäuer Maschinenbau GmbH »896 K e m ρ t e η / AlIgau Leonhardstrasse »19

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• fassör </ c]; srt> rspröftgiirh eingstforehia «documents ob. The legal requirement of the deviation isf rtichtft · fuft Die **" ■ * - **> _y m ·. -; .ir>i'A · *! Documents bWsnsisn in the official files. Sia can at any time -o ^>N; .fthwc »s one: ■. ■: '.,;," ::: -. ■■■.: -, ^, sbOhrorifrai ointjesshen On request, we can also r -. Copies Fiitrt..v; i3oiivü 3.U Jvü übl.vi.-n Ffeisen, Deut-schsä Patentami »Cbi

Winding device for winding machines

The innovation relates to a winding device for winding machines with constant contact pressure of the take-up reel on the take-up roller, consisting of a coil carrying the winding, pivotable about d.ne stationary pivot axis, which is exposed to the force of a spring via an intermediate member, the line of action can be changed in the Proximity of a fixed point runs in such a way that the distance of the line of action from the fixed point and thus the additional force exerted on the reel frame by the spring is changed _o

This change in the additional force is intended in a known device In this way, as the bobbin grows, the contact pressure is essentially constant over the entire winding process remain «Apart from the fact that it is not the contact pressure but that The torque transmitted to the reel should remain constant, this torque mii changing as the reel diameter increases, the known device has a relatively. ~ 2 -

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complicated and expensive construction, grab the bobbin frame no less than three different levers on “All of these Levers must be connected to one another by joints. As a result this is many items. the known device expensive to manufacture and also expensive to maintain because all the joints must, in order to ensure an edge-free function of the same put, are lubricated more often «The known device has the further disadvantage that; the different individual parts unite require a relatively large amount of space »This makes the machine confusing and various parts are difficult to access = In addition, the pen and the different Lever to fix fiber fly that is difficult to remove =

The innovation is based on the task of eliminating the disadvantages identified above = this is achieved according to the innovation in that a spring-loaded sliding guide, which is mounted to be displaceable essentially perpendicular to the pivot axis of the coil frame and which cooperates with the The direction of displacement of the sliding block includes angles of different size, such that the variable additional force is generated by the sliding block supported on the curve guide, depending on the inclination of the curve guide, with the variable additional force causing the torque driving the coil to be approximately constant for all coil diameters is held »The sliding block is pressed radially outwards under the action of the spring» Here it is supported on the curve guide »

2a -

- 2a

The contact pressure of the sliding block on the curve guide creates a reaction force which, depending on the inclination of the curve guide relative to the direction of displacement of the slide block, passes on one side of the axis of rotation _β depending on which side the Kesktionskraft -an.der axis of rotation passes and what distance it has here, the torque generated is directed counter-clockwise or clockwise, and its size is also variable _o The additional force acting on the coil frame should not keep the contact pressure constant as the coil grows - as is intended with the previously known device - but that Torques exerted on the spool by the take-up roller

This has a favorable effect in a uniform coil structure. In addition, thanks to the reduced contact pressure at large bobbin diameter, the actual layers on conical bobbins are largely spared. . _. "

Further advantages and details of the invention are based on an embodiment shown in the drawing explained in more detail. ■

Show it!

Fig. 1 is a side view of the new bobbin frame at the beginning the winding process,

FIG. 2 is a side view at the end of the winding process, FIG. 3 is a front view in the direction III-III of FIG. 2 on an enlarged scale with the bobbin frame removed.

In the drawing, 1 denotes the actual coil frame, which is essentially U-shaped. The bobbin case 2 is rotatably and interchangeably arranged in a known manner between the two U-legs. The U-web 1a of the coil frame 1 is connected to the U-web Ja of a U-shaped holder 3 in the exemplary embodiment shown. This Holder 3 is in turn up with its U-legs 3b and Jc a swivel axis fixedly mounted in the machine frame pivotally arranged.

According to the invention, the coil frame or its holder 5 a spring-loaded, slidably mounted sliding block 5 is provided. In the exemplary embodiment shown, this sliding block 5 is, as can be seen from FIG. 3, as a ball-bearing roller educated. The sliding block 5 interacts with a curved guide 6 which is arranged in a stationary manner. That is advantageous Curve guide β is firmly connected to the pivot axis 4.

For the displaceable mounting of the sliding block 5, one has Leg Jc of the holder 3 has a hole 7 in which a Piston 8 is displaceably guided 1st. In this piston 8, the axis 9 of the sliding block 5 is arranged and by a screw held. How to continue out of Pig. 1 and 2 can see the bore 7 extends essentially perpendicular to the pivot axis 4. The piston 8 and thus the sliding block 5 are thus displaceable essentially perpendicular to the pivot axis 4, a spring 11 radially controlling the piston and the sliding block pushes outwards. As can be seen from Fig. J5, supports the spring 11 is attached to the piston via a plate 12, the distance between the plate and the piston being adjustable. Through this one can change the preload of the spring 11.

The mode of operation of this new bobbin frame is as follows: At the beginning of the winding process, the bobbin tube 2 rests with a few twists on the winding roller V3 driven in the S direction. The contact pressure A1 with which the coil

- 5 - I.

is pressed against the take-up roller 13, is dependent on the weight G1 of the spool and the weight of the rest Coil frame. The circumferential force U1 is calculated from the Friction coefficient χ of the contact force A1. iäas on the reel Acting torque M from circumferential force χ radius R1 or R2. In the coil frame according to the invention now also acts Weight of the coil and the coil frame also generated by the interaction of sliding block 5 and curve guide 6 Force. This force is in Flg. 1 denoted by P.1 and acts on a lever arm H1. The force P1 on the lever arm H1 opens the coil frame exerted a torque M1, which the pressing force A1 reinforced.

As the coil diameter increases, the lever arm H1 and then the moment M1 is getting smaller and smaller, until finally the The lever arm and the moment are zero. However, since the bobbin diameter and the weight of the bobbin increase at the same time, the torque acting on the coil remains constant. With an even larger bobbin diameter, like -es in Pig. 2 shown is, a force P2 is generated on the lever arm H2 by the cam guide and the sliding block. The moment M2 caused by this However, it acts in the opposite direction as the moment M1. This is the one generated by the weight G2 of the larger coil Contact pressure A2 so reduced that again approximately the same Torque M is reached, as -es at the beginning of the winding

Process. A uniform coil build-up is thus guaranteed and in the case of conical bobbins, the end positions of the bobbin are largely spared * because the contact pressure A2 decreases »

The invention is not intended to be restricted to the exemplary embodiment shown. In the embodiment shown namely, the torque generated by the sliding block and the curve guide gradually decreases and then acts with increasing Force in the opposite direction. It would also be conceivable to design the curve guide in such a way that with a small bobbin diameter an additional moment is generated, which decreases to zero as the coil diameter increases. Also could with sufficient weight of the empty bobbin a moment can be generated by the sliding block, which in the sense of overload changeable coil diameter only increases. Furthermore, the arrangement could also be reversed as in the exemplary embodiment shown be taken so that the curve guide on the bobbin __ frame is arranged and the sliding block is stationary »!

Claims (1)

! A 662 802 * 17: 1266 S c h u t ζ a η. s ρ back e. Ι «Spooling device for winding machines with. constant contact pressure of the take-up reel against the take-up roller, consisting "of a reel frame which carries the take-up reel and can be pivoted about the stationary pivot axis, which is subjected to the force of a spring via an intermediate member, the line of action of which is changeable in the vicinity of a stationary point, in such a way that that the distance between the line of action and the fixed point and thus the additional force exerted by the spring on the reel frame is changed by the movement of the reel frame with the increase in the diameter of the take-up reel , essentially perpendicular to the pivoting axis (4) of the bobbin frame (1) slidably mounted sliding block (5) is provided ^ Lst and that a cam guide (6) cooperating with this sliding block (5) is arranged in a stationary manner, which corresponds to the direction of displacement of the The sliding block includes angles of different sizes in such a way that the curve guide (6) supporting sliding block (5) depending on the inclination of the curve guide the variable additional force - (P ₁ , Pp) is generated, whereby by the - 8th variable force because the coil is driving .. torque almost constant for all coil diameters iBessörn hold »will». S * winding device according to claim 1, characterized g ek "η η - draws, £ ate the aui 'dc-n Glüitr / Gein (5) acting Federkratt; (11) acts radially outwards. 2 * Winding device according to claim 1 and 2 »thereby s 0 ke λ a · ζ-4t- -i 0 h tt e fc» because the curve (6) runs over the pivot axis (4) conical circles tangentially or counter-curved «. 4 · Spooling device according to claim X, and 2, characterized -gekena * 2 eich ρ et # that of the essentially misshapen © spool frame (4) with my U-web (la) on the ti-stes (^ a) of a U -iönsigen holder (3) is attached, whose 0-legs Ob ₉ ^ c) are mounted on the pivot axis (4), with one »leg (3o) of the holder (3) öine ^ ur pivot axis (4) vertical bore (7) is provided, in which a spring force (11) displaceable and carrying the oil duct (5). , Calving (B) is stored ». '. . 5 · Puling device according to claim 4 *, characterized in that the sliding block (5) is a ball-bearing Holle is trained 6 * winding device according to claim 1, characterized geken'nzet chnot, d & B the Kurvenfi ^ Irung (6) on the Scljwenkachse (4) 1st. ; ■ / - '. ■' ■ '. ·· ■