Capsule Insertion Apparatus for Filter Tows
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Solution Overview
Problem
Existing methods for inserting flavor capsules into cigarette filters are inefficient and lack precise control over capsule placement and quality, affecting the consistency and quality of the smoking experience.
Innovation Solution
An apparatus comprising a tow processing unit, a capsule insertion unit, and a rod making unit, which includes a feeder wheel with radial channels, a stationary cam, and a vacuum system for precise capsule placement and quality control, ensuring capsules are evenly distributed and of desired size and shape within the filter tow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual or simple automated capsule insertion methods are used, then device complexity is reduced, but manufacturing precision and productivity deteriorate
Solution Approach 1:
The capsule insertion device is segmented into multiple functional components: a feeder wheel with radial channels for capsule storage and transport, an insertion wheel with pockets for receiving and positioning capsules, and a stationary cam for controlled capsule release. This segmentation allows each component to perform a specific function with high precision while maintaining overall system manageability.
Solution Approach 2:
The stationary cam acts as an intermediary mechanism between the feeder wheel and insertion wheel. It controls the timing and positioning of capsule transfer by selectively blocking apertures in the feeder wheel, ensuring precise capsule placement without requiring complex automated control systems.
2Productivity
If high-speed automated capsule insertion is implemented, then productivity is improved, but manufacturing precision and reliability deteriorate
Solution Approach 1:
The feeder wheel and insertion wheel rotate in a periodic manner, with capsules being transferred at specific intervals determined by the rotation synchronization. The stationary cam creates periodic blocking and releasing actions that ensure uniform capsule distribution. This periodic action maintains precision even at high insertion speeds by relying on mechanical timing rather than complex control systems.
Solution Approach 2:
The patent replaces complex electronic control systems with a purely mechanical synchronization mechanism. The rotation of the feeder wheel and insertion wheel is mechanically linked, and the stationary cam provides mechanical timing control for capsule release. This mechanical substitution ensures reliable and precise capsule placement at high speeds without requiring sophisticated electronic controls.
3Manufacturing precision
If quality control sensors are added to monitor capsule quality, then manufacturing precision is improved, but device complexity and cost increase
Solution Approach 1:
The apparatus incorporates an in-line sensor that automatically monitors capsule quality as they are being fed and inserted. The sensor provides real-time feedback on capsule characteristics, and the system self-adjusts or flags defective capsules without requiring manual inspection. This self-service quality control maintains high manufacturing precision while avoiding the complexity of multiple separate inspection stations.
Data Source
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AI summary
An apparatus for insertion of capsules into cigarette filter tows is disclosed. The apparatus may include a tow processing unit, a capsule insertion unit and a filter rod making unit. The capsule insertion unit may include a hopper, a capsule presorter, an inlet pipe, a capsule feeder wheel, a capsule insertion wheel, and a tow gathering funnel.