Yarn Spinning Machine Guide Geometry for Stable Balloon Formation
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Solution Overview
Problem
Existing yarn spinning and twisting machines experience instability in yarn stress and balloon shape/number due to uncontrolled movements of the traveller-ring assembly, leading to premature wear and breakages, especially when the yarn exit point is not aligned with the spin axis, causing uncontrolled contact points and inefficient production.
Innovation Solution
A yarn spinning and twisting machine with a yarn guide having an inner diameter greater than standard guides, positioned non-aligned with the spin axis, and adjustable to absorb stress variations, maintaining a consistent spinning angle and preventing collisions with the yarn picking means, thereby stabilizing the balloon structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the yarn exit point is not aligned with the spin axis to enable multiple balloon formation, then productivity is improved, but the yarn stress becomes unstable and the traveller contact points become uncontrolled
Solution Approach 1:
A guide element is introduced as an intermediary component between the yarn feed and the spinning zone. This guide element controls the yarn path and ensures that the yarn enters the balloon formation zone at a consistent angle and position, thereby stabilizing yarn stress while maintaining multiple balloon formation for improved productivity
Solution Approach 2:
The system adjusts geometric parameters such as the angle between the yarn feed direction and the spin axis, and the position of the guide element, to optimize the balance between productivity (multiple balloons) and reliability (stable yarn stress). By carefully controlling these parameters, the invention achieves both goals simultaneously
2Productivity
If the traveller-ring assembly moves vertically to generate multiple balloons, then productivity increases, but the traveller experiences premature wear and breakages due to uncontrolled contact
Solution Approach 1:
The guide element acts as a mediator that controls the interaction between the yarn and the traveller-ring assembly. It ensures that the yarn contacts the traveller at predetermined, controlled points, preventing uncontrolled movements and reducing premature wear and breakages, thereby extending traveller durability while maintaining high productivity
Solution Approach 2:
The guide element pre-establishes the correct yarn path and contact points before the yarn enters the spinning zone. This preliminary control of yarn positioning prevents uncontrolled traveller movements and ensures smooth operation, reducing wear and extending the service life of the traveller
3Device complexity
If the yarn path is allowed to collide with the yarn picking means for compact machine design, then device complexity is reduced, but manufacturing precision deteriorates due to unstable balloon shape
Solution Approach 1:
The guide element serves as a mediator that separates the yarn path from the yarn picking means, preventing collisions while maintaining compact machine design. It ensures that the yarn follows a controlled path that does not interfere with the yarn picking operation, thereby maintaining both compactness and manufacturing precision
Solution Approach 2:
The guide element utilizes spatial arrangement in three dimensions to route the yarn path away from the yarn picking means. By controlling the vertical and horizontal positioning of the guide, the invention achieves compact machine design while preventing yarn-picking interference and maintaining stable balloon formation
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 solution ensures constant yarn stress and stable balloon formation, reducing traveller wear and breakages, enhancing machine efficiency and productivity by maintaining a balanced spinning process.
Implementation Method 1
there is generated between the yarn exit point of the yarn feeding means and the yarn guide a vibration which causes the stress of the yarn to be more constant, stable, and balanced
Data Source
AI summary
A yarn spinning and/or twisting machine with multiple balls, comprising a yarn-feeding means (1), a yarn collection means for the yarn (4) with a rotation axis (V), a yarn guide (8) located between the yarn-feeding means (1) and the yarn collection means (4), means for the generation of the diameter of the ball (DB), motorised means linked to the yarn collection means (4), where the internal diameter of the yarn guide (8) is greater than the diameter of standard yarn guides (8) for each type of yarn, and smaller than 1.1 times the diameter of the ball generator (DB). Preferably, the internal diameter of the yarn guide (8) is between 0.01 and 0.9 times the diameter of the ball generator (DB). Preferably, the yarn spinning and/or twisting machine comprises several yarn guides (8, 8′, 8″), at least one of these with an internal diameter greater than the diameter of the standard yarn guide (8) for each type of yarn and smaller than 1.1 times the diameter of the ball generator (DB).