Twisted Cable End Smoothing With Oscillating Untwisting Grip
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Solution Overview
Problem
Existing methods for de-drunkening and smoothing twisted cable ends often result in a high residual wave, making them unsuitable for reliable assembly, especially with cables having small line cross-sections.
Innovation Solution
A device comprising a deburring grip, a clamping gripper, and a cable gripper, which uses oscillating rotary movements to reduce residual waves and align individual lines parallel to the cable axis, effectively smoothing the cable end.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If known methods and devices are used for straightening conductor wire ends, then the cable end can be straightened, but the residual ripple is comparatively high and the cable end is not sufficiently smoothed
Solution Approach 1:
The invention applies dynamic oscillating movements during the straightening process. The straightening device performs oscillating movements in the transverse direction while pulling the cable end through, creating a dynamic process that effectively reduces residual ripple and achieves sufficient smoothing for reliable assembly.
Solution Approach 2:
The straightening process utilizes periodic oscillating movements of the straightening device. These periodic transverse oscillations during cable end pulling create a rhythmical action that systematically reduces residual ripple along the cable end, achieving the required smoothness.
2Adaptability or versatility
If known methods and devices are used for straightening, then the process can be performed, but it is not suitable for reliably untwisting cables with small cross-section conductors
Solution Approach 1:
The invention changes the parameters of the straightening process by implementing oscillating movements with specific amplitude and frequency ranges. These parameter adjustments make the process suitable for different cable types including those with small cross-section conductors, achieving reliable untwisting and smoothing across various cable configurations.
Data Source
Figure 1(a)~2
Figure 3~8
AI summary
A method and a device (100) for untwisting and smoothing a cable end (15) of a cable (10) formed from a plurality of individual conductors (11, 12) twisted in a twist direction (V) are provided by means of the device (100). The device (100) comprises an untwisting gripper (110) with a first untwisting jaw (111) and a second untwisting jaw (112); a clamping gripper (120) arranged in the cable path upstream of the untwisting gripper (110) with a first clamping plate (121) and a second clamping plate (122); and a cable gripper (130) arranged in the cable path upstream of the clamping gripper (120).The method comprises gripping the cable (10) with the cable gripper (130); inserting the cable end (15) between the open clamping plates (121, 122) of the clamping gripper (120) and the open untwisting jaws (111, 112) of the untwisting gripper (110); closing the clamping plates (121, 122) and the untwisting jaws (111, 112); rotating the untwisting gripper (110) in an untwisting direction (E) opposite to the twisting direction (V) to untwist the cable end (15); opening the untwisting jaws (111, 112), reducing the distance between the untwisting jaws (111, 112) and the clamping plates (121, 122), and closing the clamping plates (121, 122); and performing a smoothing process of the cable end (15) by increasing the distance between the cable gripper (130) and the clamping gripper (120) with the cable (10) clamped and simultaneously applying oscillating rotary movements of the untwisting gripper (110).