Portable Creel with Movable Inner Frame for Tufting Yarn Management
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Solution Overview
Problem
Conventional creels for carpet tufting require significant space and necessitate the tufting machine to be out of operation during yarn changes, limiting efficiency and flexibility.
Innovation Solution
A portable creel with a movable inner frame and outer frame, equipped with tubes and a header system that allows pre-loading and rapid change-out of yarns, enabling operators to move and position yarn packages without interrupting the tufting process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a standard creel is used to hold hundreds or thousands of bobbins, then the capacity to hold yarn packages is improved, but the space requirement increases significantly
Solution Approach 1:
The creel is divided into modular components: an outer frame structure and detachable inner frames that can be independently removed and replaced. This segmentation allows the creel to be reconfigured or expanded without requiring a complete redesign of the entire structure, thereby optimizing space utilization while maintaining high capacity.
Solution Approach 2:
The inner frame is designed to be movable rather than fixed, allowing it to be inserted, removed, and repositioned within the outer frame. This dynamic design enables flexible adaptation to different operational needs and space constraints, allowing operators to optimize the creel configuration based on available space and yarn package dimensions.
2Stability of the object's composition
If conventional creel design is used, then the structural stability is improved, but the tufting machine must be out of operation during yarn changes
Solution Approach 1:
The creel is segmented into an outer frame and detachable inner frame components. This allows the inner frame with yarn packages to be quickly removed and replaced without affecting the stability of the outer frame structure. Operators can change yarn packages by simply swapping inner frames, minimizing downtime while maintaining structural integrity during operation.
Solution Approach 2:
The design allows for pre-preparation of replacement inner frames with new yarn packages before the current inner frame needs to be changed. This preliminary action enables continuous operation by having ready-to-install replacement frames, reducing the actual downtime during yarn changes while maintaining the stability of the overall creel structure.
3Ease of operation
If a portable creel with movable inner frame is used, then the flexibility and ease of operation are improved, but the device complexity increases
Solution Approach 1:
The creel is divided into simple, well-defined segments: an outer frame and inner frame components. This segmentation simplifies the overall design by breaking down complex functions into manageable parts, making the movable inner frame easier to operate while reducing the perceived complexity through modular architecture.
Solution Approach 2:
The outer frame serves multiple functions: it provides structural support, defines the operational space, and acts as a mounting structure for the movable inner frame. This multi-functionality reduces the need for additional separate components, thereby reducing overall device complexity while maintaining ease of operation and flexibility.
Data Source
AI summary
A portable creel for organizing yarn packages and directing yarn to a tufting machine. A portable creel provides flexibility for carpet manufactures in that operators can pre-load portable creels with yarn packages for future runs and move them into position when needed. In one aspect, the portable creel comprises an outer frame and a movable inner frame. The inner frame is configured to hold a plurality of yarn packages and the outer frame comprises a plurality of tubes configured to direct the yarn from the yarn packages to a header. The header, in turn, directs the yarn from the portable creel to specific portions of a tufting machine.