Fancy Yarn Confluence Guide for Consistent Decorative Fiber Tangling
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Solution Overview
Problem
Existing methods for producing fancy yarns face issues with decorative fibers failing to interlace properly with the main yarn, potentially leading to tangling inconsistencies and fiber loss.
Innovation Solution
A device is designed to intermittently cut decorative fibers and guide them into a confluent flow with the main yarn using an airflow, ensuring consistent tangling through controlled airflow and swirling mechanisms, followed by interlacing or twisting to secure the fibers in the yarn.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If decorative fibers are supplied sideways onto a running main yarn, then the production process becomes simple, but decorative fibers may not get tangled in desired sites or may fail to get tangled and fall off
Solution Approach 1:
A guide is introduced as an intermediary component between the decorative fiber supply and the main yarn. The guide has a specific structure with a decorative fiber introduction portion and a yarn introduction portion that creates a confluence region, ensuring decorative fibers are properly positioned and tangled with the main yarn at desired sites, preventing fiber loss while maintaining process simplicity.
Solution Approach 2:
The guide changes the spatial parameters and flow characteristics of both the main yarn and decorative fibers. By creating a confluence region where these streams meet at specific angles and positions, the guide ensures reliable tangling without requiring complex additional mechanisms.
2Manufacturing precision
If decorative fibers are intermittently cut and fed into confluent flow with main yarn using airflow, then tangling consistency is improved, but device complexity increases
Solution Approach 1:
An airflow generator is used to intermittently cut and feed decorative fibers into the confluence region. The airflow creates a confluent flow pattern that ensures consistent tangling of decorative fibers with the main yarn, achieving high manufacturing precision through pneumatic control rather than complex mechanical systems.
3Manufacturing precision
If swirling mechanism is used to ensure consistent tangling, then fancy yarn quality is improved, but energy consumption increases
Solution Approach 1:
The swirling mechanism operates periodically rather than continuously, creating controlled swirling motions only when needed to ensure consistent tangling of decorative fibers with the main yarn. This periodic operation maintains high fancy yarn quality while minimizing unnecessary energy consumption during non-tangling phases.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device ensures that decorative fibers consistently interlace with the main yarn, preventing tangling failures and fiber loss, resulting in a stable and decorative fancy yarn production process.
Implementation Method 1
an assembly for intermittently cutting the decorative yarn and feeding the decorative fibers into the confluence region, comprising an airflow generator
Implementation Method 2
a guide for guiding the main yarn and the decorative fibers, the decorative fibers and the main yarn forming a confluent flow in the guide
Data Source
Figure 1
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AI summary
A production device for producing a fancy yarn from first and second yarns, which interlace with each other and thereby form a main yarn, and a decorative yarn is provided with: a first feeding creel for feeding the first yarn; a second feeding creel for feeding the second yarn; a confluence region to make the first yarn and the second yarn flow together along an axial direction; a cutter to intermittently cut the decorative yarn into decorative fibers; an ejection nozzle for feeding the decorative fibers to the confluence region; and a processing device to bundle the first yarn, the second yarn made to flow together with the first yarn, and the decorative fibers.