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Method and apparatus for melt spinning and drawing out a plurality of synthetic multifilaments

A technology of melt spinning and spinning, which is applied in the field of melt spinning and drawing out multiple synthetic multifilaments, which can solve the problems of non-existing silk yarn quality and achieve the effect of uniform heating

Active Publication Date: 2016-08-17
OERLIKON TEXTILE GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the worst case, this deflection, which leads to mechanical loading of the filaments, can affect the formation of physical properties for the sensitive filaments, so that the same filament quality does not exist within the filament bundle

Method used

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  • Method and apparatus for melt spinning and drawing out a plurality of synthetic multifilaments
  • Method and apparatus for melt spinning and drawing out a plurality of synthetic multifilaments
  • Method and apparatus for melt spinning and drawing out a plurality of synthetic multifilaments

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Embodiment Construction

[0025] In said drawing, a first embodiment of the device according to the invention for melt spinning and drawing off a plurality of synthetic multifilaments is schematically shown in various views. figure 1 The embodiment is shown in side view, image 3 The front view shows this embodiment. figure 2 and Figure 4 The respective partial views of the examples are included to illustrate the required filament deflection and filament deflection between the spinning mechanism and the draft godets. in addition, Figure 5 A plan view showing a yarn guide provided in front of a draft godet for yarn deflection. The following description applies to all figures, as long as no explicit reference is made to one of the figures.

[0026] The present exemplary embodiment has a spinning unit 1 , a cooling unit 3 and a drawing godet 11 which are arranged one above the other in order to obtain an essentially vertically oriented thread course during the production of a plurality of synthetic...

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Abstract

A method and a device used for melt spinning and extracting a plurality of synthetic multifilaments are provided by the invention. The device comprises a spinning mechanism, a cooling mechanism and a drafting godet. In the spinning mechanism, a plurality of groups of filaments are extruded from a polymer melt in a parallel manner and are collected to be a plurality of filaments through a collective yarn guider after cooling. For extraction, the filaments are collected from a spinning distance determined by the collective yarn guider to a processing distance determined by a processing yarn guider. To uniform the different shift degrees of the plurality of filaments in tows and to balance the filament tension and the mechanical load of the filaments, the filaments are guided with different shift degrees between the processing yarn guider and the drafting godet through a plurality of shift yarn guider.

Description

technical field [0001] The invention relates to a method for melt spinning and drawing off a plurality of synthetic multifilaments and an apparatus for melt spinning and drawing out a plurality of synthetic multifilaments. Background technique [0002] When producing synthetic yarns in the melt spinning process, several yarns are usually produced and processed simultaneously in the form of tows. Several individual process steps from extruding the polymer melt to thread winding are carried out with different plant components which require different thread guidance depending on the process step. It is thus well known that fiber bundles extruded from spinnerets in spinning devices for forming threads require relatively large thread spacings in order to achieve extrusion and cooling. Subsequent treatments, such as eddy current texturing or stretching of the filaments, take place with a significantly shorter distance between the filaments. It is common for this to use additiona...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01D5/08D01D11/02D01D11/04
CPCD01D13/00D01D5/08
Inventor H·维真德M·波恩海姆
Owner OERLIKON TEXTILE GMBH & CO KG