Cable Processing Device With Concave Blades For Foil Removal
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Solution Overview
Problem
The manual removal of shielding foils from shielded, multi-core round cables is laborious, costly, and risks damaging the cable cores, necessitating a more efficient and safe method.
Innovation Solution
A cable processing device equipped with knives and guide elements that cut the shielding film while minimizing damage to the cable cores, featuring concave cutting edges and adjustable guide sections to define a maximum cutting depth, ensuring only the film is cut and not the insulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual removal of shielding foil is used, then flexibility and simplicity are maintained, but productivity is low and risk of damage to cable cores increases
Solution Approach 1:
The cable processing device segments the shielding foil removal task by providing one knife for each cable core, allowing simultaneous cutting of multiple foil sections along the cable length. This segmentation enables parallel processing of multiple cutting positions, significantly improving productivity while maintaining controlled complexity through modular knife assembly
Solution Approach 2:
Guide elements are introduced as intermediary components between the knives and cable cores. These guide elements define a maximum cutting depth that prevents knife penetration into the cable core insulation, thereby protecting the cable cores from damage while enabling automated high-speed cutting operations
2Manufacturing precision
If deeper cutting is performed to remove shielding foil completely, then shielding foil removal completeness improves, but risk of damaging cable core insulation increases
Solution Approach 1:
Guide elements serve as intermediary components that physically limit the cutting depth. The guide elements have a defined geometry that allows the knife to cut through the shielding foil completely while stopping before reaching the cable core insulation, thus achieving complete foil removal without damaging the sensitive cable cores
Solution Approach 2:
The cutting system applies different functional qualities to different parts of the knife assembly. The knife cutting edge is sharp and aggressive for effective foil cutting, while the guide element portion contacting the cable core is smooth and limiting in geometry. This local differentiation of properties enables precise control over cutting depth to achieve complete foil removal while protecting the cable core insulation
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 enables efficient and safe removal of shielding foils without damaging the cable cores, allowing for automated operation and reducing manual labor costs.
Implementation Method 1
a plurality of knives (2, 3, 4, 5) for cutting the shielding film (20)
Data Source
Figure 1~3
Figure 4~8
Figure 6~7
AI summary
A cable processing device for removing a shielding foil (20) from a shielded, four-core round cable (10) has four radially movable blades (2, 3, 4, 5) for cutting the shielding foil (20). Each blade (2, 3, 4, 5) is assigned to a core (11) of the round cable (10). The blades (2, 3, 4, 5) each have concave cutting edges (23, 24, 25, 26). The blades (2, 3, 4, 5) are provided with guide elements (6, 7, 8, 9) that have guide sections (27, 28) into which the cores (11) encased by the shielding foil (20) can be received. The blades (2, 3, 4, 5) project from the guide elements (6, 7, 8, 9) in the area of the guide sections (27, 28) by a projection (t). The guide sections (27, 28) have a concave circular cylindrical shape and form a concave stop surface for the cable conductors (11).