Bristle Bundle Separation Using Multi-Direction Notch Motion
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Solution Overview
Problem
Existing methods struggle to consistently and reliably separate bristle bundles from loose bristle filaments, leading to inconsistent performance characteristics due to variable filament counts in the bundles.
Innovation Solution
A method and device that involves a bundle separator with a separating notch changing its direction of movement at least twice during the separation process, utilizing a combination of drive motor and actuator to ensure complete and uniform filling of the notch with bristle filaments, facilitated by a control curve or con-rod mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bundle separator with a separating notch is moved in a simple linear separating movement past the supply of loose bristle filaments, then the device complexity is low, but the filling of the separating notch with bristle filaments is unreliable and inconsistent
Solution Approach 1:
The bundle separator is designed to perform a dynamic separating movement that changes direction at least twice in the separating region, rather than a simple linear movement. This dynamic motion pattern ensures that the separating notch passes multiple times over the bristle supply, allowing bristle filaments to be distributed uniformly and reliably into the notch from different directions, thereby improving filling consistency without requiring additional complex filling mechanisms
Solution Approach 2:
The separating movement is designed as a periodic oscillating motion where the bundle separator moves back and forth across the bristle supply. This periodic action causes the separating notch to repeatedly engage with the bristle filaments, ensuring complete and consistent filling. The oscillating motion naturally distributes filaments uniformly into the notch over multiple cycles, achieving reliable separation without additional complexity
2Reliability
If the separating notch changes direction of movement multiple times in the separating region, then the filling reliability improves, but the duration of the separating process increases
Solution Approach 1:
The oscillating separating movement is designed with optimized amplitude and frequency parameters. The bundle separator oscillates with a amplitude sufficient to ensure complete filling of the separating notch, but the frequency is tuned to complete multiple oscillation cycles within a minimal time frame. This periodic action at optimized parameters ensures reliable filling while minimizing the total separating time
Solution Approach 2:
The separating movement is designed as a high-speed oscillating motion that covers the necessary separation distance in minimal time. By increasing the speed of the oscillating movement and optimizing the amplitude to the minimum required for complete notch filling, the system achieves reliable separation consistency without excessive time consumption. The dynamic motion allows rapid redistribution of filaments into the notch
Data Source
AI summary
A method for separating bristle bundles (5) from a supply (10) of loose bristle filaments (11) is provided, in which a bundle separator (13) having a separating notch (14) is moved in a separating movement past the supply (10) of loose bristle filaments (11), in the process separating a bristle bundle (5) from the supply (10) which makes its way into the separating notch (14). When the separating movement is carried out, the separating notch (14) changes its direction of movement in a separating region (16) on the supply (10) at least twice, preferably at least thrice.