Filter Rod Strand Inspection System
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Solution Overview
Problem
Existing apparatuses and processes for inserting strands into filter rods during cigarette manufacturing often result in improperly formed filter rods, with issues such as missing, misaligned, or improperly sized strands, affecting the aesthetic quality and functionality of the final product.
Innovation Solution
A system and method for inspecting filter rods using a filter rod support device and analysis unit to determine the presence, alignment, and type of strands within the filter rods, providing a signal for acceptable or unacceptable status to ensure only properly formed rods are used in cigarette production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If strand insertion processes are used during filter rod manufacturing, then filter rods can be produced with embedded strands for flavor delivery, but defects such as missing, misaligned, or improperly sized strands occur
Solution Approach 1:
The patent applies preliminary action by implementing an inspection system that checks filter rods immediately after strand insertion but before they proceed to subsequent manufacturing steps. The analysis unit examines each filter rod to verify proper strand formation, positioning, and presence, allowing defective rods to be identified and removed early in the production process, preventing further waste of time and resources
2Ease of manufacture
If manual inspection methods are used to detect defective filter rods, then simple detection can be achieved, but inspection efficiency and accuracy are insufficient
Solution Approach 1:
The patent replaces manual mechanical inspection with an automated optical analysis unit that uses imaging technology to detect strand defects. The system captures images of filter rods and automatically analyzes them for proper strand formation, positioning, and presence, significantly improving inspection speed and accuracy while maintaining ease of operation through automated decision-making algorithms
3Productivity
If defective filter rods are not detected, then production continues without interruption, but manufacturing yield decreases and defective products reach consumers
Solution Approach 1:
The patent implements feedback by creating a closed-loop inspection system where the analysis unit continuously monitors filter rods and provides real-time information about defect presence. The system feeds this information back to the manufacturing process, enabling immediate identification and removal of defective rods, which maintains production flow while ensuring only quality products proceed to packaging and distribution
Data Source
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AI summary
A system and associated method is provided for inspecting filter rods (26) used to form cigarette filter elements, wherein each filter rod defines a longitudinal axis extending between opposed ends, with each end extending substantially perpendicularly to the longitudinal axis, and includes a filter material having an axially- extending strand (50) disposed therein. A filter rod support device (500) is adapted to receive at least one filter rod such that one end thereof is exposed. An analysis unit (600) is disposed with respect to the filter rod support device so as to interact with the one end of the at least one filter rod to determine a status of the at least one filter rod and to provide a corresponding signal in response thereto.