Yarn Removal from Textile Drum Inter-Storage
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Solution Overview
Problem
Current methods for removing faulty yarn from textile machine inter-storage devices are time-consuming and inefficient, requiring production interruptions and often result in incomplete yarn removal, causing operational issues during resumption after yarn rupture or defect elimination.
Innovation Solution
A method and device that utilize assignable power means to move yarn along the longitudinal axis of a pivotably mounted drum towards the end or outside of the inter-storage, where it can be easily removed using suction or mechanical means, such as a radial arm stripper or airflow, to expedite and enhance the reliability of yarn removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If faulty yarn is removed by gradual unwinding using suction nozzle, then yarn removal is achieved, but the process is time-consuming and requires production interruption
Solution Approach 1:
The patent applies preliminary action by using power means to actively move the faulty yarn towards the end of the drum before suction removal begins. This preliminary movement accelerates the removal process by positioning the yarn for immediate suction capture, eliminating the need for gradual unwinding and allowing production to resume quickly without compromising removal completeness.
2Reliability
If faulty yarn is removed by gradual unwinding, then yarn removal is achieved, but other working bodies must interrupt operation
Solution Approach 1:
The patent extracts the faulty yarn from the drum using a two-stage process: first, power means rapidly move the faulty yarn to the drum end, and second, suction nozzle captures and removes it. This extraction method is significantly faster than gradual unwinding, reducing production downtime while ensuring complete yarn removal effectiveness.
3Productivity
If yarn is moved by force in the direction of the longitudinal axis towards the end of the inter-storage, then yarn removal speed is improved, but additional power means and device complexity are required
Solution Approach 1:
The patent applies multi-functionality by designing the power means (such as a mechanical arm or conveyor mechanism) to serve dual purposes: it not only moves the faulty yarn rapidly along the drum's longitudinal axis but also positions it precisely for the suction nozzle to capture. This multi-functional approach increases yarn removal speed without proportionally increasing device complexity, as the same mechanism performs multiple tasks in sequence.
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
This approach enables fast and reliable yarn removal from textile machine inter-storage drums, reducing downtime and improving operational efficiency by facilitating quicker identification and correction of defects.
Implementation Method 1
the yarn which is to be removed from the inter-storage is moved by the force exerted in the direction of the longitudinal axis of the drum towards the end of the inter-storage and/or outside the inter-storage
Data Source
AI summary
The invention relates to a device and method for removal of yarn, especially faulty yarn, from an inter-storage at an operating unit of a textile machine. The yarn to be removed from the drum of the drum inter-storage is moved from the drum by a force exerted in the direction of the longitudinal axis of the drum towards the end of the drum and/or outside the drum, from where the yarn is sucked off.