Automated Cutter Assembly for Stretched Yarn Detection
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Solution Overview
Problem
Manual cutting of stretched yarn in textile manufacturing is inefficient and often results in substandard products due to subjective detection and lack of automation, leading to variations in yarn quality.
Innovation Solution
An automated yarn cutting assembly comprising a cutter head and mounting arm system that positions the cutter head to automatically cut stretched yarn as it exits the yarn system, ensuring only first-quality yarn is processed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cutting of stretched yarn is performed by operator inspection, then yarn quality control is maintained, but productivity is reduced and manpower requirements increase
Solution Approach 1:
The patent replaces manual mechanical inspection and cutting with an automated optical detection system. A camera captures images of the yarn, image processing algorithms automatically detect stretched yarn based on predefined criteria, and a cutter mechanism automatically cuts the yarn. This substitution of mechanical manual operations with automated optical and computational systems resolves the contradiction by maintaining quality control reliability while significantly improving productivity.
Solution Approach 2:
The system enables self-service quality control where the automated detection system continuously monitors yarn quality without human intervention. The image processing system autonomously identifies stretched yarn instances, determines cut positions, and triggers automatic cutting operations. This self-service capability eliminates the need for operator attention while maintaining consistent quality standards, thereby resolving the productivity-reliability contradiction.
2Reliability
If manual inspection for stretched yarn is performed, then quality control is maintained, but measurement precision is insufficient due to subjective detection
Solution Approach 1:
The patent replaces subjective manual measurement with objective optical measurement. A camera system captures precise images of the yarn, and image processing algorithms automatically measure yarn position, diameter, and stretch characteristics. This optical measurement system provides consistent, repeatable, and objective data elimination the subjectivity and variability inherent in manual inspection, thereby resolving the measurement precision contradiction while maintaining quality control reliability.
Solution Approach 2:
The system implements continuous feedback through real-time image capture and processing. The camera continuously monitors yarn conditions, the image processing system analyzes each frame against predefined stretch criteria, and the system provides immediate feedback by triggering cuts when stretched yarn is detected. This closed-loop feedback mechanism ensures consistent and precise quality control, resolving the contradiction between measurement precision and reliability.
3Productivity
If automated cutting system is implemented, then productivity is improved and manpower is reduced, but device complexity increases
Solution Approach 1:
The patent divides the automated cutting system into distinct functional modules: an image capture module (camera), an image processing module (detection algorithms), and a cutting execution module (cutter mechanism). Each module performs a specific function and can be independently optimized or maintained. This segmentation reduces overall system complexity by making each component simpler and more manageable, while still achieving high productivity through automated operation.
Solution Approach 2:
The system employs a multi-functional integrated approach where a single camera system performs both quality detection and position measurement, and the same image processing system handles both stretch detection and cut positioning. This universality reduces the number of separate components needed, thereby reducing device complexity while maintaining high productivity and automated operation.
4Ease of operation
If operator intervention is required for yarn cutting, then flexibility is maintained, but loss of time increases due to manual operations
Solution Approach 1:
The automated cutting system performs self-service operations by automatically detecting stretched yarn, determining optimal cut positions, and executing cuts without operator intervention. The system monitors yarn conditions continuously and autonomously responds to quality issues, eliminating the time loss associated with manual inspection and cutting operations while maintaining operational flexibility through programmable detection criteria and adjustable cutting parameters.
Data Source
AI summary
An assembly and method for automated cutting of undesired stretched yarn in a yarn system. Stretched yarn can hang away from the yarn system differently than desired yarn. A cutter head is positioned a predetermined distance relative to yarn traveling through the yarn system so that the stretched yarn is cut by the cutter head and the desired yarn passes the cutter head without being cut. A plurality of cutter heads can be used to cut stretched yarn hanging away from the yarn system in different locations.