SU1747562A1 - Device for destroying false selvage formed on weaving loom - Google Patents

Abstract

The device consists of a false edge feeding means and a false edge separation means, which allows to remove short weft threads from the false edge, and to keep the long main threads in one piece, wind them into the receiving means on reels and reuse them 2 times.

Description

The invention relates to the textile industry and can be applied to the separation of systems of threads connected by weaving, for example, in the processing of defective fabric, or a false edge by separating the main and weft threads.

The known device and method of recycling weft yarn in the formation of a false edge by passing the hem thread in a spiral, followed by the separation of the hem and weft threads

However, the need to equip each weaving machine with this device increases its cost, complicates maintenance and thereby increases the cost of the final product.

Closest to the invention is a device for machine separation of two systems of threads connected by weaving.

The disadvantage of this device is that only a portion of the weft and main yarns are separated, then they are collected in receivers and subsequently used as a secondary siren, and not as a seed.

The purpose of the invention is to obtain a varietal thread from a false edge - waste of weaving.

To accomplish this goal, a device is proposed consisting of a supply and a receiving coil, a system of rollers, a drive, a pneumatic suction device and a comb, which allows removing short transverse threads from the false edge, and retaining the main long threads on reels and starting the production cycle.

FIG. 1 shows the proposed device, top view, in FIG. 2 - the same, side view

The device comprises a coil 1, on which a false edge 2 is wound, take-up rollers 3, exhaust rollers 5, a pneumatic suction device 6 with a tip 7, a comb 8, tensioning rollers 9 feeding the main threads 10 to the receiving coil VI

The device works as follows

From the coil 1, the false edge 2 enters the feed rollers 3, the main thread 10 passes through the comb 8 and is tightened by the rollers 9 in the direction of movement by applying a force PL Free ends 4 at the next

with

V

v | SL O Yu

They are fed into the exhaust rollers 5 at an angle to the false edge by means of a pneumatic suction 6 through the tip 7 and removed from the false edge by the force P2 to waste. The cleaned base of the string 10 is wound on the receiving coils 11 and then used in the main production

The application of the proposed device allows, with minimum material and energy costs, to obtain high-quality yarn from weaving waste - a false edge, the waste of which is up to 7.5 tons per month. About 50% of the false edge can be returned to production in the form of a varietal thread The proposed device is not difficult to manufacture, has a small size and price.

Editor M Kelemesh

H s

FIG. g

Compiler. Korovnikov

Tehread M. Morgenkorrektor P Gereshi

Claims (1)

Apparatus of the Invention A device for breaking a false edge -formed on a loom, comprising means for supplying a false edge, means for breaking a false edge, including paired rollers that are rotatable and in contact with one another, and means for receiving the main threads of a false edge, characterized by 0, in order to increase reliability in operation, the pair of rollers are stepped and in contact with one another with large radii to grip the ends of the weft yarns, and the rollers are located at an angle to the direction of movement of the false edge, exhaust rollers and connected to a vacuum generating means for sucking the weft yarns from the exhaust rollers