Motor-Driven Textile Yarn Joining for Reduced Mechanical Complexity
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Solution Overview
Problem
Existing textile yarn joining devices are complex, time-consuming, and require frequent maintenance, leading to low productivity and high costs due to their mechanical nature and numerous components, making them difficult to install and adapt to different spoolers.
Innovation Solution
A device with two counter-rotating components driven by electric motor members, controlled by a control unit with an internal memory, simplifies the drive and maintenance, reducing the number of mechanical parts and enabling automated, efficient, and versatile yarn joining.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical joining devices with cam mechanisms are used to decompose and re-compose yarn twists, then the joining function is achieved, but the device complexity increases and productivity decreases
Solution Approach 1:
The patent replaces complex mechanical cam mechanisms with a much simpler system consisting of two counter-rotating components driven by motors. The joining function is achieved through the counter-rotation that naturally decomposes and re-composes twists, eliminating the need for complicated mechanical linkages, cams, and multiple actuating components.
Solution Approach 2:
The invention extracts and eliminates unnecessary mechanical components from the joining device. By using direct motor-driven counter-rotation, it removes intermediate mechanical elements such as cam mechanisms, linkages, and actuators, retaining only the essential functional elements needed for yarn joining.
2Reliability
If mechanical joining devices with multiple components are used, then the joining function is achieved, but maintenance time and cost increase
Solution Approach 1:
By replacing the mechanical cam-based system with an electrically driven counter-rotation system, the patent significantly reduces the number of mechanical parts that require maintenance. Motors and their drive systems generally require less maintenance than complex mechanical linkages, cams, and actuators.
Solution Approach 2:
The counter-rotating components are designed to work together in a self-sufficient manner, where the rotation of one component naturally complements the other to achieve the joining function without requiring external mechanical assistance or complex coordination mechanisms.
3Reliability
If complex mechanical joining devices are used, then the joining function is achieved, but installation and adaptation to different spoolers becomes difficult
Solution Approach 1:
The motor-driven counter-rotation system is designed with universal mounting capabilities that allow it to be adapted to different spooler types and configurations. The simplified structure and standardized motor interfaces enable easier installation and adaptation compared to complex mechanical systems with proprietary linkages.
Solution Approach 2:
The system incorporates adjustable motor speeds and counter-rotation parameters that can be dynamically configured to accommodate different yarn types, spooler configurations, and joining requirements, enhancing versatility and adaptability across various applications.
4Reliability
If mechanical joining devices are used, then the joining function is achieved, but joining time increases and productivity decreases
Solution Approach 1:
The electrically driven counter-rotation system enables faster and more precise control of the joining process compared to mechanical cam mechanisms. Motors can rapidly accelerate, decelerate, and reverse rotation, significantly reducing the time required for twist decomposition and re-composition.
Solution Approach 2:
The counter-rotating components continuously perform the joining function without interruption or idle periods. The system maintains continuous rotational motion throughout the joining process, eliminating the start-stop cycles and mechanical repositioning delays inherent in cam-based mechanical systems.
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 achieves rapid, high-quality yarn joining with reduced downtime, optimizing production and allowing installation on various spoolers through automated control and precise motor operations.
Implementation Method 1
The components (11a, 11b) are rotated in opposite directions by motor members (13, 14)
Implementation Method 2
bring the ends of the yarns F1, F2 to be joined close together until they substantially overlap; counter-rotating the two components (11a, 11b) in opposite directions to each other so as to twist the ends of the overlapping yarns F1, F2 to be joined
Implementation Method 3
move close and overlap the ends of the yarns F1, F2 to be joined by mechanical approach means
Data Source
Figure 1a~1e
Figure 2~3
Figure 4~4c
AI summary
A device for joining textile yams (F1, F2) for joining two ends of two textile yams (F1, F2) by means of decomposition and subsequent re-composition of the twists of the fibers of the ends in order to make up a single yam (F), comprising two counter-rotating components (11), each provided with at least one joining element (12) and disposed opposite each other defining a joining zone (G) defined by the area between the respective joining elements (12) facing each other and substantially aligned along a work axis (X).