Automated Cable Tie Fitting Mechanism with Reverse Ejection
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Solution Overview
Problem
Existing manual cable tie fitting methods are inefficient and lack automation, requiring manual labor and precision, which can lead to inconsistencies and increased time in securing cables and other bundles.
Innovation Solution
A manual automatic device with an integrated fitting mechanism, powered by electric motors and controlled by an electronic unit, that automatically positions, tightens, and cuts cable ties around bundles using a feed device, pivoting jaws, and a tensioning system, allowing for precise control through a user interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual cable tie fitting methods are used, then device complexity is low, but productivity is low and manufacturing precision is poor
Solution Approach 1:
The patent replaces manual mechanical operations with an automated system comprising electric motors (first motor 37, second motor 49), electronic control unit 40, and programmed control methods. The first motor drives the integrated fitting mechanism 30 for positioning and cutting, while the second motor drives the tensioning device 38, all controlled electronically to achieve automated cable tie installation without manual intervention.
Solution Approach 2:
The patent combines multiple functions into integrated components: the integrated fitting mechanism 30 merges positioning, loop formation, and cutting functions; the housing 20 integrates the magazine 26, receptacle 28, fitting mechanism 30, and tensioning device 38 into a single unified device. This consolidation achieves automation while managing device complexity through functional integration.
2Manufacturing precision
If manual cable tie fitting methods are used, then device complexity is low, but manufacturing precision is low
Solution Approach 1:
The patent implements feedback control through the electronic control unit 40 that receives signals from the trigger 24 and controls the motors based on operational status. The system monitors and adjusts the operation of the fitting mechanism 30 and tensioning device 38 to ensure precise cable tie installation, with the electronic unit coordinating the sequence of operations for accurate positioning and tightening.
Solution Approach 2:
The patent replaces manual positioning and measurement with automated motor-driven mechanisms. The first motor 37 precisely positions and cuts the cable tie through the integrated fitting mechanism 30, while the second motor 49 controls the tensioning device 38 for accurate tightening, eliminating manual positioning errors and achieving consistent precision.
3Productivity
If automated fitting mechanism is used, then productivity is high, but use of energy increases
Solution Approach 1:
The patent employs periodic action through cyclic operation of the motors. The first motor 37 and second motor 49 operate in discrete cycles triggered by the trigger 24, performing fitting and tensioning operations only when needed rather than continuously. This on-demand periodic operation maintains high productivity while minimizing energy consumption during idle periods.
Solution Approach 2:
The patent achieves continuous useful action within each operational cycle, ensuring that once triggered, the fitting mechanism 30 and tensioning device 38 complete their functions without interruption. This continuous operation during active cycles maximizes productivity efficiency, while the system remains energy-efficient by remaining dormant between cycles.
Data Source
AI summary
A manual automatic device configured for fitting cable ties around a bundle of cables or the like. The device includes a control interface allowing the user of the device to choose an operating mode that tightens but does not cut the cable tie and in which the electric motor which drives the cable tie in tension is controlled in reverse rotation to eject the cable tie before cutting. A method for controlling the device is also presented herein.