Twisted Cable Bundling Head Positioning With Separate Motion Control
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Solution Overview
Problem
Existing cable processing devices face challenges in precisely positioning a portable bundling device for twisted electrical lines, leading to inefficiencies in handling and fixing the twisted cables, as the mass of the bundling unit is large and requires unnecessary movement even when not in use.
Innovation Solution
A device comprising a feeder for guiding the leading end of electrical lines, a stationary holding device for the trailing end, and a movable holding device for the leading end, along with a portable bundling device that can be separately controlled to accurately position and fix the bundling area using a controller and distance measuring device, allowing for precise bundling without affecting the twisting process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the bundling head is mounted and moved together with the twisting head for the leading end, then the positioning of the bundling head is simplified, but the mass of the moving unit becomes relatively large and requires unnecessary movement when the bundling head is not used
Solution Approach 1:
The device is divided into separate functional units: the twisting head assembly and the bundling head assembly. The bundling head can be independently positioned and mounted only when needed for bundling operations, rather than being permanently attached to the twisting head. This segmentation allows the bundling head to remain stationary or be minimally positioned during twisting operations, reducing unnecessary movement of its mass.
Solution Approach 2:
The bundling head is designed to be dynamically positionable rather than fixed. It can be moved to the required position during bundling operations and returned to a neutral or stationary position when not in use. This dynamic positioning reduces the mass that needs to be continuously moved and allows the system to adapt its configuration based on operational requirements.
2Productivity
If the bundling head is moved together with the twisting head, then the bundling operation can be performed, but the exact length or position of the leading end of the cable is not the same even for identical twisted cables due to force-controlled tracking movement
Solution Approach 1:
The force-controlled mechanical tracking movement is replaced with a control system that uses measured values (such as position sensors or encoders) to precisely control the movement of the bundling head. This substitution of mechanical feedback with electronic measurement and control enables more accurate and repeatable positioning, ensuring that the bundling head arrives at the correct position relative to the cable end regardless of variations in cable length or twisting process.
Solution Approach 2:
The system incorporates feedback mechanisms through distance measuring devices or position sensors that continuously monitor the position of the bundling head and the cable. These measured values are fed back to the control unit, which adjusts the bundling head's movement to achieve precise positioning. This closed-loop feedback control ensures consistent positioning accuracy even when cable dimensions vary slightly.
Data Source
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AI summary
A device (100) for processing a plurality of electrical conductors (11, 12) and a method using the device are described. The device comprises a feed device, a stationary holding device (110), a holding device (120) movable along a linear guide direction, a separate and movable bundling device (125) from the movable holding device (120), and a control unit (200) connected to a drive (127, 128) of the movable bundling device (125). The stationary holding device (110) and/or the movable holding device (120) are configured to twist the respective held end of the conductors. The control system controls the drive (127, 128) in such a way that the distance between a bundle section (126) of the movable bundle device (125) and the movable holding device (120) is a predetermined or predeterminable distance.