摘要:
An open end spinning unit having feed means for delivering fibrous material, a rotary twisting means for spinning the fibers into a yarn, and a rotary withdrawing means for taking up the yarn. A first detector is located to sense the revolution of said twist means and providing an output having a value proportional to the number of revolutions. A second detector is located to sense the revolution of the withdrawing means and providing an output having a value proportional to the number of revolutions thereof. The first detector is connected to the output of a first counter between which is interposed a gate means. The second detector means is connected to the input of a second counter, the output of which is connected to the input of the gate, and which provides a signal for controlling the gate. An indicator is connected to the first counter to record the value received by the counter.
摘要:
A two cylinder multifeed knitting machine having a cam system for controlling swingagle selectors and their associated needle jacks and needles; the machine is provided with a patterning device adapted to act upon the selectors and thus select needles for transfer into operative position.
摘要:
A spindleless spinning machine having electrically operable fiber feed, spinning and yarn withdrawing mechanisms. The devices is provided with a primary source of electric current and circuit means for synchronously operating the mechanism. An auxilliary power generator is mechanically connected to the mechanism to produce an electric current independent of the primary source. Means connecting the auxilliary source to the circuit control means to provide power to operate the mechanisms in the absense of the primary source.
摘要:
Mechanism for withdrawing and winding yarn from spinning units, said mechanism having a novel combination of elements including a self-threading yarn guide. The mechanism includes in that order a pair of rollers for withdrawing yarn from the outlet of the spinning unit, a self-threading guide, a tension compensator, and a means for winding a bobbin including a yarn traverse and laying mechanism. The configuration and placement of the self-threading guide are such that after breakage or depletion of the yarn, yarn delivery may be resumed with yarn traveling from the outlet of the spinning unit past the self-threading guide to the yarn traverse, without passing between the yarn withdrawing rollers. Continued yarn traverse and take-up by the bobbin automatically threads the yarn through the self-threading guide and introduces it between the yarn withdrawing rollers.
摘要:
An open end spinning machine including a yarn winding apparatus having a driven rotatable drum, a bobbin mounting frame movable toward and away from the drum so that the bobbin may be selectively driven and undriven. In accordance with the invention there is provided means, shown as hand operated, for raising the bobbin from the drum, and means for adjustably retaining the frame and bobbin in elevated position, preferably with the surface of the bobbin spaced only a small distance above the peripheral surface of the drum. Means, here shown as foot operated, is provided for releasing the frame, when desired, whereby it is lowered so that the bobbin again rest upon and is driven by the drum.
摘要:
A device for the automatic fastening of yarn supply tubes of various diameters and their changing in textile machines, particularly in automatic high-speed winding machines; the device permits the fastening of tubes of various diameters, and the simple refilling of the supply of separate winding units either manually or from a central magazine. Tube-fastening mandrels, which are mounted symmetrically on a rotatable disc above a cam, are made such that a body with a cone at its free end is mounted for axial traverse. Said body has a fastening mechanism mounted in its upper part for centering and fastening the supply tubes, said mechanism being controlled by a pin mounted axially traversably in a sleeve and provided with a cam follower at its end, said follower being resiliently pressed against the cam and cooperating with both the sleeve and the fastening means.
摘要:
A BASE FABRIC, SUCH AS FIBROUS FLEECE SHEET, IS PERFORATED FROM OPPOSITE SIDES BY NEEDLES KNITTING WALES AND COURSES. THE LOOPS OF SUCCESSIVE COURSES ARE ALTERNATINGLY PLACED IN ADJACENT WALES SO THAT BACK LOOP PORTIONS EXTEND BETWEEN ADJACENT WALES, AND CAN BE DRAWN OUT TO FORM PILE LOOPS.