SU785168A1 - Device for feeding thread into a textile machine - Google Patents

Description

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The invention relates to the field of textile production and can be used mainly on knitting machines for preparing elastic, interlock and 5 combined weaves, as well as weaves with different yarn consumption in different weaving systems. E.

A similar device is known, containing a drive drum for accumulation of threads, a stationary device; a folding spreader and a lever electric station with respect to it; in the ETH device, the yarn guide is made in the form of a straight rod inclined with respect to the axis of the drum 1. does not provide a dense single-layer laying of the thread on the bar-20 bath.

With an increase in the angle of inclination of such a spreader, for winding the necessary number of turns of the thread (10-12 25, a greater height of the drum is required, which increases the dimensions of the device, and with a decrease in the angle of inclination, thirty

the tension dimension of the thread at the exit of the device.

The aim of the invention is to improve the tension uniformity of the thread at the exit of the device, i.e. in the zone of looping. ,

This goal is achieved by using a two-part thread-laying device in the yarn supply device, the upper part is located at an acute angle, for example 15-20 °, to the axis of rotation of the drum, and the lower part is parallel to this axis and is equipped with a hook for guiding the thread with a slot in which placed lever | electric stove. ,

FIG. 1 shows a general view of the device in FIG. 2 shows section A-A in FIG. 1 on fi. 3 shows the folder in FIG. 4 - view B of FIG. 3

The device for feeding the thread (Fig. 1) consists of a housing 1 in which a shaft 3 is mounted on the bearings 2. At the upper end of the shaft there is a fixed drive pulley 4, and a thread spindle 5 is installed on the lower end of the shaft to accumulate threads of the thread coupled to the shaft 3 b.

. Inside, the housing 1 is fastened with the help of the shaft 7 to the needle folder B (Fig.

3) having upper inclined 9 and lower vertical 10 guiding surfaces for the thread. In the lower part of the NYTEROPLAY there is an open groove 11 for placing an electric lever and a new 12 guide double hook 13. Uniform winding of the thread on the drum when the machine is in operation is provided with guide eyes 14, 15, brake 16 and the needle folder 8. Drain and break the thread before winding the drum is controlled by an electrostatic lever 17 with a peephole 18;

Before starting the device a few

turns of the thread 19 is wound on the drum 5. ./ The device operates as follows.

The thread 19 enters the peephole 14, the brake 16 passes, the peephole of the electric stop lever, the guide eye 15, and is wound onto a rotating thread-feed drum. At the same time, from the opposite side of the winding, the thread is unwound from the drum through a double guide hook, 13 and step 9. in the wire in the gangling system.

Each turn of the thread encompasses a rotating drum and a stationary or unfolder 8 (Fig. 1, 2). The guide eye 15 is at such a level with respect to the thread stacker so that the upper 2-3 turns cover its inclined part 9 and the rest would be located on the vertical

surfaces 10 with a length of (fil.3). During operation of the device, the indicated upper 2-3 turns exert constant pressure on the lower turns and shift the latter down, freeing up space for the upper turn. In this case, the electric stop lever 12 is placed inside the slot 11 and lies on the thread guided by the hook 13 when unwinding it.

When the thread is broken, the lever 12 falls and closes the electrical contact. The machine stops.

Elezstroostanov lever 17 with an eye 18 when the winding thread n breaks on the drum, falls, closes the contact and stops the car. . t the thread threads viii device lever 17

785168

rises, closes the contact and stops the machine. The spinning reel yarn is rotated by an endless belt covering the pulley 4. Thanks to the lower stacker 2-3, the upper windings of the yarns wound on the rotating drum and the fixed inclined surface slide down the drum and shift the lower turns of the spreading drum down and the lower part of the spreader close to each other.

The economic effectiveness of introducing the proposed invention is to reduce the height of the drum and the weight of the rotating parts of the thread-feeding mechanism.

Reducing the weight of the rotating thread reduces the breakage of the thread. And increases the uniformity of its tension in the loop formation zone by eliminating belt slippage on the pulleys when starting and stopping the machine. With STOM, the dynamic loads on the drive of the thread-guiding devices are reduced, and their lifespan is increased.

Claims (2)

1. A device for feeding a yarn into a textile machine, comprising a driving drum for accumulating the thread yarns, fixedly mounted with respect to it, a core yarn depositor and an electric lever lever, characterized in that The purpose of increasing the uniformity of the thread at the exit of the device is that the yoke depositor is made of two parts, the upper part is located at an acute angle to the axis of rotation of the drive drum, and the lower part is parallel to this axis and has a hook for guiding the thread. 2. The device according to claim 1, wherein the hook for guiding the thread has a slit for accommodating the electric stop lever.  Sources of information taken into account in the examination 1. USSR author's certificate D 536105, cl. B 65 N 51/26, 1975.