Fibre Bundle Compressor with Curved Deflection Edge for Reliable Feeding
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Solution Overview
Problem
Existing open-end spinning devices face issues with fiber tape deflection causing changes in cross-sectional geometry, leading to operational reliability concerns and potential damage, requiring different designs for various fiber tapes.
Innovation Solution
A fiber tape compactor with an inclined deflection edge in the deflection area, featuring specific angles and radii to minimize stress on the fiber tape, ensuring gradual deflection and uniform guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the fiber tape is deflected by up to 90 degrees in the deflection section, then the fiber tape can be redirected from vertical to horizontal feeding direction, but the cross-sectional geometry of the fiber tape changes and operational reliability decreases
Solution Approach 1:
The deflection edge is designed with a specific radius of curvature rather than a sharp edge, creating a smooth transition surface that gradually redirects the fiber tape. This curved geometry prevents abrupt changes in the fiber tape's cross-sectional shape while achieving the necessary deflection angle, thereby maintaining operational reliability during direction change.
2Adaptability or versatility
If different designs are created for different fiber tapes, then each fiber tape type can be optimally accommodated, but device complexity and manufacturing costs increase
Solution Approach 1:
The deflection edge geometry with optimized radius and inclination angles is designed to universally accommodate different fiber tape types and dimensions. The specific geometric parameters create a neutral, adaptable surface that works effectively across various fiber tape configurations without requiring design modifications, thereby reducing device complexity while maintaining versatility.
3Object-affected harmful factors
If the deflection edge is inclined relative to the second fiber tape guide surface, then the fiber tape experiences reduced stress and negative effects, but the manufacturing precision requirements increase
Solution Approach 1:
The deflection edge is designed with specific inclination angles and radius parameters that optimize the stress distribution on the fiber tape. By carefully selecting and standardizing these geometric parameters, the design achieves reduced fiber tape stress while maintaining manufacturability through well-defined tolerance ranges that balance precision requirements with manufacturing feasibility.
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A fiber strip compactor (6) for an open-end spinning device (1) with a dissolving roller (7) and a feeding device (3) arranged laterally next to the dissolving roller (7), has a fiber strip channel (16) which includes an inlet section (17) with a first fiber strip guide surface (18), an outlet section (19) with a second fiber strip guide surface (20), and an outlet opening (21). A deflection section (23) is arranged between the inlet section (17) and the outlet section (19), in which a fiber strip (11) to be fed to the dissolving roller (7) can be deflected. The fiber strip channel (16) has a side wall (24) facing the machine and a side wall (25) facing away from the machine. In the deflection area (23) a deflection edge (26) is arranged which is inclined relative to the second fiber belt guide surface (18) in the direction of the machine-facing side wall (24).