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Sizing yarn surface coating effect characterization method and sizing yarn levelness image acquisition device

A surface coating and sizing technology, which is applied in the field of textile sizing, can solve the problems of limited resolution of ordinary optical microscopes, damage to the integrity of the size film on the surface of sizing, blurred images of sizing slices, etc., to improve sample quality, The effect of broadening the meaning of actual production and improving the accuracy and accuracy of evaluation

Active Publication Date: 2020-06-09
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the yarn fragments intercepted by the above slicing method are too small to represent the quality of the entire sizing segment. The operation process is easily affected by human factors, and the integrity of the sizing film on the sizing surface is easily damaged during the slicing process, resulting in a decrease in accuracy. , and the operation is cumbersome and time-consuming, and the repeatability is poor
Moreover, the resolution of ordinary optical microscopes is limited, the images of sizing slices taken are blurred, and it is difficult to distinguish the junction of sizing coating and soaking parts, resulting in large errors in the evaluation of sizing coating and soaking, and a microscope with high precision is required Achievable, high cost

Method used

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  • Sizing yarn surface coating effect characterization method and sizing yarn levelness image acquisition device

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Embodiment 1

[0038] This embodiment takes figure 1 A sizing evenness image acquisition device as shown is used as the basis for implementation, and the method for characterizing the coating effect of sizing surface is described in detail, and the method includes the following specific steps:

[0039] (1) a color developer is configured in the solution tank 3;

[0040] (2) Place the bobbin wound with sizing on the unwinding device 1, and pull the yarn end such as figure 1 As shown, it is introduced into the solution tank 3 through the introduction roller 4, and then the inlet and outlet rollers 11 are exported to the solution tank 3 and wound on the bobbin on the winding device 7, so that part of the sizing is immersed in the developer, so that the sizing on the sizing The sizing film reacts with the color developer to develop color, in order to prolong the soaking time and running length of the sizing in the solution tank 3, and reduce the size of the solution tank 3 as far as possible, t...

Embodiment 2

[0056] Such as figure 1 A sizing image acquisition device shown includes a stage 9, a solution tank 3 placed on the stage 9, an introduction roller 4 that guides the sizing into the solution tank 3, and guides the sizing to leave the solution tank 3, the lead-out roller 11 of 3, the ultra-depth-of-field microscope 5 erected above the solution tank 3, the yarn-in tension control device 2 arranged on the upstream side of the lead-in roller 4, the yarn-out tension control device 6 arranged on the downstream side of the lead-out roller 11, the unwinding Device 1, winding device 7, and black box, are used to hold developer in the solution tank 3, and described unwinding device 1 and winding device 7 are arranged on the stage 9 outside solution tank 3, unwinding device 1 is located upstream of the yarn tension control device 2, and the winding device 7 is located downstream of the yarn tension control device 6. The black box 10 covers the solution tank 3 , and the lens of the ultra...

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Abstract

The invention relates to a sizing yarn surface coating effect characterization method and a sizing yarn levelness image acquisition device. The method comprises sizing yarn color development, sizing yarn levelness image acquisition and image data processing and calculation, and the acquisition device comprises a solution tank, a leading-in roller, a leading-out roller and a super depth-of-field microscope. According to the invention, the coating coefficient, the coating depth and the coating unevenness capable of evaluating the sizing surface coating effect are obtained by obtaining and analyzing a sizing levelness image such that the sizing surface coating effect is evaluated, and the method can be applied to dynamic monitoring of the sizing effect in the sizing yarn sizing process.

Description

Technical field: [0001] The invention belongs to the technical field of textile sizing, and relates to a characterization method for sizing surface coating effects and a sizing image acquisition device. Background technique: [0002] Sizing coating is an important indicator for evaluating sizing quality. Different yarns have different requirements for sizing coating. Improper coating will have a serious impact on weaving. Less coating will easily cause light sizing and fluffing of the sizing, the shed cannot be opened clearly on the loom, and the warp yarn breakage will increase. If the coating is too much, it is easy to form surface sizing, the yarn elasticity will decrease, the elongation rate will increase, and sizing and brittleness will occur during weaving. beheaded. Therefore, the amount of coating should be reasonably controlled during the sizing process. [0003] At present, the Hastelloy slicer is commonly used to obtain sizing slices, and the sizing penetration ...

Claims

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Application Information

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IPC IPC(8): G01N21/84G01N21/01G06T7/90
CPCG01N21/01G01N21/84G01N2021/0112G01N2021/8444G06T7/90
Inventor 高卫东闫文君刘建立朱博
Owner JIANGNAN UNIV
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