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Yarn quality measuring instrument and yarn winding machine

A measuring instrument and winding machine technology, which is applied in the field of winding machines to achieve the effect of strict quality inspection and improved quality

Active Publication Date: 2009-08-19
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it was impossible for the conventional yarn clearer to detect the correct cycle irregularity

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Yarn quality measuring instrument and yarn winding machine
  • Yarn quality measuring instrument and yarn winding machine
  • Yarn quality measuring instrument and yarn winding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] Next, preferred embodiments of the present invention will be described with reference to the drawings.

[0052] figure 1 as well as figure 2 The shown winder unit 10 winds the spun yarn 20 unwound from the yarn supplying bobbin 21 on the winding bobbin 22 while traversing, and forms a bobbin 30 of a predetermined shape with a predetermined length. The automatic winder (yarn winding device) of the present embodiment includes a plurality of winder units 10 arranged in parallel, and a machine control device (not shown) arranged at one end in the direction of the arrangement.

[0053] Each winder unit 10 is provided with: a unit frame 11 ( figure 1 ), and the winding unit main body 16 arranged on the side of the unit frame 11.

[0054] The winding unit main body 16 includes a cradle 23 and a winding drum (traversing drum) 24 . The cradle 23 can hold the winding bobbin 22 . The winding drum 24 traverses the spun yarn 20 and drives the above-mentioned winding bobbin 22 ...

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Abstract

An object of the present invention is to provide a yarn quality measuring instrument and a yarn winding machine which can accurately evaluate the length of a yarn defect and detect periodic unevenness. A winder unit 10 constituting an automatic winder includes a clearer (yarn quality measuring instrument) 15. The clearer 15 detects thickness unevenness in a spun yarn 20 traveling with a speed thereof varied, to detect the thickness unevenness in the yarn. The clearer 15 includes a first yarn unevenness sensor 43 detecting the thickness of the traveling yarn, and a CPU 47. The CPU 47 receives a yarn speed signal obtained from an external rotation sensor 42 to sample signals from the first yarn unevenness sensor 43 at a sampling frequency according to the yarn speed signal.

Description

technical field [0001] The invention relates to a yarn quality measuring device, in particular to a yarn quality measuring device for detecting yarn defects by sampling uneven yarn signals. In addition, the present invention relates to a winding machine provided with the above-mentioned yarn quality measuring device. Background technique [0002] Conventionally, it is known that a textile machine such as a textile machine or an automatic winder has a yarn clearer (yarn quality measuring device) for monitoring the thickness of a traveling yarn. In the textile machine, the yarn clearer is used to monitor the thickness of the yarn spun at a certain speed. When the thickness of the yarn deviates from the specified range (yarn unevenness) appears above the specified length, Then it is judged as a yarn defect and the defect is removed. On the other hand, in the automatic winder, the calculation of the length at which the thickness unevenness occurs is performed based on the rota...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/12D01H13/32B65H54/70
CPCB65H2701/31B65H63/06B65H54/103B65H61/005G01N33/365G01P3/68G01P3/806
Inventor 中出一彦中谷昌岁塚本真一
Owner MURATA MASCH LTD
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