Use of microwaves in the spinning industry

A quality fluctuation and sliver technology, applied in the field of microwave applications, can solve problems affecting the adjustment effect

Inactive Publication Date: 2005-04-13
利特英格纺织机械制造股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The effects described have a strong influence on the measurement of the sliver quality and thus on the regulation

Method used

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  • Use of microwaves in the spinning industry
  • Use of microwaves in the spinning industry
  • Use of microwaves in the spinning industry

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0052] The basic mode of operation of the drafting machine 10 is explained below with reference to the accompanying drawing 1, which serves as an example of a spinning preparation machine. According to this example, a plurality of substantially untwisted slivers 1' are presented to the drafting machine 10 side by side. It is also possible to convey only one sliver 1 ′ to the drafting machine 10 . In both cases, within the scope of the present invention, the term "fiber bundle" is used for the presented fiber material, which is followed by the reference numeral 1 . Arranged at the inlet of the drafting machine 10 is a bell mouth 11 which condenses the sliver 1' or fiber bundle 1 . Alternatively, other condensation devices can also be used. It is also conceivable to dispense with the condensation altogether. After passing through a detection device or a sensor to be described below, the sliver 1 is guided into a drafting device 1 which forms the core part of the drafting devi...

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Abstract

The invention uses microwaves in the spinning industry in order to determine the band mass of an elongated, substantially non-twisted fiber structure. In addition, a method for measuring the sliver mass from the frequency detuning and the damping of resonance signals of a microwave sensor while taking into consideration the moisture of the fiber structure with a computer is suggested. Likewise, a corresponding spinning preparation machine and a laboratory device for measuring the sliver mass are part of the invention. Lastly, a method and a spinning preparation machine for recognizing foreign matter in a moved fiber structure with the aid of microwaves is suggested.

Description

technical field [0001] The present invention relates to the use of microwaves in the spinning industry. The invention also relates to a method for sensing the sliver mass of a fiber assembly moving on a spinning preparation machine. Furthermore, the invention relates to a corresponding spinning preparation machine and a corresponding measuring device. The invention also relates to the detection of impurities in spun fiber bundles by means of microwaves. Background technique [0002] In the spinning industry, for example, cotton is first produced in a number of steps into a homogeneous fiber bundle and then a twisted yarn is produced as the end product. The task of spinning preparation machines such as cards and drafters arranged upstream of the yarn manufacturing machine is in particular to adjust the sliver quality fluctuations of one or more slivers, which are subsequently collectively referred to as fiber bundles. For this purpose, for example, sliver sensors are arran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01G31/00G01N22/04G01N33/36
CPCD01G31/006G01N22/04G01N33/362
Inventor J·达米格C·谢里夫
Owner 利特英格纺织机械制造股份公司
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