Variable-Length Return Head for Resin Tube Winding
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Solution Overview
Problem
The stability and efficiency of the return head mechanism in continuous filament winding processes for producing thermosetting plastic pipes are compromised by rigid, stationary support systems, leading to suboptimal pipe quality and production speed.
Innovation Solution
An apparatus with a return head featuring variable-length elements, including pressure elements and length-adjustable support rods, ensures optimal support and tension of the carrier strip as it leaves and re-enters the supporting structure, allowing for adaptive radial positioning and reduced fatigue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a rigid, stationary return head with solid steel rods is used to support the carrier strip, then the structural stability is improved, but the pipe quality and production speed deteriorate due to suboptimal support adaptation
Solution Approach 1:
The return head is transformed from a rigid, stationary structure to a dynamic system with variable-length support elements that can adjust their length. This allows the support elements to adapt to the radial position of the carrier strip during operation, providing optimal support while maintaining structural stability, thereby improving pipe quality without sacrificing structural integrity.
2Stability of the object's composition
If a rigid, stationary return head with solid steel rods is used to support the carrier strip, then the structural stability is improved, but the production speed deteriorates
Solution Approach 1:
The dynamic adjustment capability of the variable-length support elements allows the return head to optimize the carrier strip support in real-time during the winding process. This reduces fatigue and enables higher production speeds while maintaining structural stability through the coordinated movement of the adaptive support elements.
3Device complexity
If a rigid, stationary return head is used, then the apparatus complexity is reduced, but the carrier strip fatigue increases due to lack of adaptive support
Solution Approach 1:
The variable-length support elements provide adaptive support that reduces fatigue on the carrier strip by dynamically adjusting to its radial position. This extends the carrier strip's lifespan and improves reliability, while the overall apparatus complexity remains manageable through the use of controlled adjustment mechanisms.
4Device complexity
If a rigid, stationary return head is used, then the device simplicity is maintained, but the carrier strip overlap increases reducing production efficiency
Solution Approach 1:
The variable-length support elements dynamically adjust to maintain optimal carrier strip positioning, reducing overlap between windings. This improves production efficiency and speed while the overall device structure remains relatively simple, requiring only controlled length adjustment of the support elements.
Data Source
Figure 1
Figure 2~3
AI summary
The invention embodies an apparatus (20) for producing resin tubes, the apparatus (20) having a hollow supporting structure (4), wherein an endless carrier strip (8) is windable around the outside of the supporting structure (4) in a plurality of adjacent windings to form a mould.