DD246796A1 - BOTTLING BOAT WITH BUBBLE BLADDER FOR SPRAYING MELTED SPANNERS - Google Patents

Abstract

The injection shaft is used in the chemical fiber industry for the production of polyamide, polyester or polyolefin threads. The aim and object of the invention is to provide an injection shaft in which is avoided by a clear leadership of the freshly spun Faeden that it comes to Kapillarverwechslungen and to jump over, so that a high-quality in the titer gleichmaessiges thread material can be produced. According to the invention this is achieved by an injection shaft with Queranblasung in which the Faeden are spun from Spinnduesen, which are arranged parallel to the machine axis and separated by Zwischenwaende, with the individual or arranged as a compact unit and rejuvenating to Spinnduesenschacht Zwischenwaende the Anblasschachtes a Spinning position horizontally movable in the direction of delivery side and / or in the direction of the chute and / or rotatably mounted around a point, in particular in the region of the lower boundary of the Zwischenwaende and optionally the end faces are connected to Metallsiebgewebe on the Anblasseite. figure

Description

For this 1 page drawings

Field of application of the invention

The invention relates to a blow-by shaft with transverse blowing, which can be used in the chemical fiber industry in the manufacture of melt-spun synthetic high polymers, preferably polyamides, polyesters or polyolefins.

Characteristic of the known technical solutions

Spinning devices for treating melt spun threads are known in which a plurality of spinnerets are arranged. The freshly spun threads are blown through a cooling medium.

For cooling melt-spun threads different types of blowing shafts, in particular with Queranblasung the threads known.

Depending on the type of thread guide in the shaft, a shaft division is preferred in which a limited number of threads or bundles of filaments are spun parallel to the machine axis and carried on to the winding machine. In the blowing shafts, the shaft pitch is essentially dependent on the distance of the spinnerets. In the interest of a rational way of working

2 and several spinnerets are arranged per shaft part. j

Adjustable walls for shafts are known per se. As shown in DE-OS 1435180, they act as flow guide.

Furthermore, from DE-OS 1962946 a yarn chute is known in which the adaptation to the yarn path is achieved by deformable or elastic partitions, wherein an adjustment in the direction of the shaft width can be made.

The moving plates or adapted elements form clamping points for the freshly spun threads, whereby the required proper threadline is not always guaranteed. Furthermore, problems arise when the spinnerets are to be changed or cleaned, since the partitions then hinder the work.

Difficulties also occur in the exact pitch distribution in that spinning system in which the threads are rotated in the chute by 90 °. If there is no clear division of the injection shaft, capillary confusion or skipping of the filaments occurs.

Object of the invention

The aim of the invention is to provide an easy-to-use and streamlined injection shaft in which, despite a small spinneret distance a clear separate leadership of freshly spun threads so that a high quality, uniform in titer thread material can be produced.

Explanation of the essence of the invention

The object of the invention is to achieve by a novel arrangement of the partitions in the injection shaft that Kapillarverwechselungen and overspray at the freshly spun threads is turned off and if necessary, a quick and easy installation and removal of the spinnerets and their cleaning can be done.

According to the invention the object is achieved in that one uses a Anblasschacht with Queranblasung for spinning of melt spun threads, preferably polyamides, polyesters and polyolefins, from a plurality of parallel to the machine axis arranged spinnerets, which are separated by partitions, in which the individual or as a compact Unit arranged and tapered towards the spinneret shaft intermediate walls of a spinning position in the direction of delivery side horizontally and / or in the direction of the chute vertically movable and / or around a point, in particular in the lower boundary of the intermediate walls, are rotatably mounted, where appropriate, the end faces of the intermediate walls the Anblasseite, preferably with Metallallsiebgewebe are connected. It is advantageous if the intermediate walls are bevelled in the direction of the spinnerets. The invention will be explained in more detail using an exemplary embodiment.

Figure 1: side view Figure 2: top view

- 2 - Z4Ö / at)

In the spinneret shaft 2, the spinnerets 1 are arranged parallel to the machine axis. The fresh spun threads first pass into the blowing chamber 4, which is closed by a shaft door. In continuous thread production designed as a compact unit partitions 3, which form four chambers in the present embodiment, arranged in the front part of the injection shaft 4. The rear sides of the partitions 3 are connected to each other by coarse Metallallsiebgewebe.

In a necessary Spinndüsenwechsel or in the nozzle cleaning interfere with the arranged in the front part of the injection shaft 4 intermediate walls 3, therefore, they are moved in the direction of the Anblasseite 6, which is represented by the dashed shape of the intermediate walls 3 in the drawing. The spinnerets 1 are easily accessible and can be changed quickly and easily.

Claims (1)

Invention claim: Anblasschacht with Queranblasung for spinning of melt spun threads, preferably of polyamides, polyesters and polyolefins, of several parallel to the machine axis a spinner nozzles, which are separated by partitions, characterized in that the individual or arranged as a compact unit and the spinneret shaft (2 ) tapering intermediate walls (3) of the injection shaft (4) of a spinning position in the direction of side (6) horizontally and / or in the direction of the chute (5) vertically movable and / or around a point (7), in particular in the region of the lower boundary of the intermediate walls (3), are rotatably mounted and optionally the end faces (10) of the intermediate walls (3) on the Anblasseite (6), in particular with metal mesh thread, are connected.