Method and apparatus for winding conical coils or cheeses at constant thread-feeding velocity

In an apparatus for carrying out a method of winding rotary conical cross-wound coils at constant thread-feeding velocity, means for winding a thread onto the coils, means for feeding the thread to said winding means, a thread storage device disposed at respective winding stations of a textile machine and controllably filled with thread and emptied thereof to compensate for varying winding speeds between the largest and smallest periphery of the coils, and a function generator in the form of a rotary control cylinder located at the textile machine and means in engagement with said cylinder cooperatively connected to the thread storage devices of a plurality of the winding stations for controlling the same.

In an apparatus for carrying out a method of winding rotary conical cross-wound coils at constant thread-feeding velocity, means for winding a thread onto the coils, means for feeding the thread to said winding means, a thread storage device disposed at respective winding stations of a textile machine and controllably filled with thread and emptied thereof to compensate for varying winding speeds between the largest and smallest periphery of the coils, and a function generator located at the textile machine and cooperatively connected to the thread storage devices of a plurality of the winding stations for controlling the same, said function generator includes means for controlling said plurality of thread storage devices, said control means being dimensioned according to a sine function, said function generator includes a rotary control cylinder having control contours thereon, a control rod extending from adjacent said rotary control cylinder to said thread storage device, follower means connected to said control rod, said follower means being in following engagement with said control contours for transmitting therefrom a reciprocating control motion to said control rod.

In an apparatus for carrying out a method of winding rotary conical cross-wound coils at constant thread-feeding velocity, means for winding a thread onto the coils, means for feeding the thread to said winding means, a thread storage device disposed at respective winding stations of a textile machine and controllably filled with thread and emptied thereof to compensate for varying winding speeds between the largest and smallest periphery of the coils, and a function generator located at the textile machine and cooperatively connected to the thread storage devices of a plurality of the winding stations for controlling the same, an adjusting member located at the respective winding stations of the textile machine, means for transmitting motion from said function generator to said thread storage device, said adjusting member being in controlling engagement at one end thereof with said means for transmitting motion, and means for pivoting said adjustment member at the other end thereof in accordance with a change in the fullness of the coil, to change the distance of travel of components of said thread storage device.

In an apparatus for carrying out a method of winding rotary conical cross-wound coils at constant thread-feeding velocity, means for winding a thread onto the coils, means for feeding the thread to said winding means, a thread storage device disposed at respective winding stations of a textile machine and controllably filled with thread and emptied thereof to compensate for varying winding speeds between the largest and smallest periphery of the coils, and a function generator located at the textile machine and cooperatively connected to the thread storage devices of a plurality of the winding stations for controlling the same and an engageable and disengageable auxiliary thread guide at the respective winding stations of the textile machine, having means for directing the thread, at start-up of the winding of a coil to a location along the length of the coil at which the peripheral velocity of the coil is substantially equal to the velocity of feed of the thread.

In an apparatus for carrying out a method of winding rotary conical cross-wound coils at constant thread-feeding velocity, means for winding a thread onto the coils, means for feeding the thread to said winding means, a thread storage device disposed at respective winding stations of a textile machine and controllably filled with thread and emptied thereof to compensate for varying winding speeds between the largest and smallest periphery of the coils, and a function generator located at the textile machine and cooperatively connected to the thread storage devices of a plurality of the winding stations for controlling the same, including a compensating wire disposed intermediate the thread storage device and said thread feeding means for compensating for the angle at which the thread approaches said thread feeding means.