Modular Treatment Modules for Cigarette Filter Manufacturing
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Solution Overview
Problem
Existing machines for manufacturing cigarette filters are rigid and limited in producing different types of filters, lacking flexibility and versatility in treatment options.
Innovation Solution
A machine with a modular treatment system that includes multiple treatment modules for stretching, hardening, and inserting materials like carbon particles, strands, capsules, and wrapping with corrugated material, allowing for various treatments and configurations to produce diverse filter types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a rigid machine structure is used for filter manufacturing, then manufacturing precision is maintained, but adaptability to produce different filter types deteriorates
Solution Approach 1:
The machine is divided into modular treatment stations (hardening station, particle insertion station, strand insertion station, wrapping station) that can be independently selected and configured. Each station is a separate module that can be attached or removed based on the desired filter type, allowing the machine to adapt to different production requirements while maintaining precision through dedicated specialized components for each function.
Solution Approach 2:
The machine structure transitions from a fixed rigid configuration to a dynamic reconfigurable system. Treatment stations can be moved, added, or removed along the tow path according to different filter production needs. The conveying system and treatment station positions are designed to accommodate various configurations, enabling the same machine to produce different filter types dynamically.
2Adaptability or versatility
If multiple treatment devices are added to increase versatility, then adaptability improves, but device complexity increases
Solution Approach 1:
The machine employs a universal conveying system and control architecture that can accommodate multiple different treatment stations. The central control unit and tow conveying mechanism serve multiple functions by coordinating different treatment stations for various filter types. This universal backbone reduces overall complexity compared to having separate dedicated machines for each treatment type.
Solution Approach 2:
Multiple treatment stations are arranged in a sequential nested configuration along the tow path, where each treatment station is integrated into the overall machine framework. The stations can be positioned at different locations along the conveying path, allowing compact arrangement of multiple functions within a unified structure, reducing space and complexity requirements.
3Productivity
If treatment stations are arranged sequentially without overlap, then device complexity is reduced, but productivity decreases
Solution Approach 1:
The machine utilizes the longitudinal dimension of the continuous tow path to arrange treatment stations in sequence, transforming the production process from a time-sequential operation to a spatially-distributed parallel operation. Multiple treatment stations operate simultaneously at different positions along the tow, effectively increasing productivity without requiring complex overlapping mechanisms, as each station processes different sections of the continuous tow independently.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the production of multiple filter types with ease and cost-effectiveness by allowing interchangeable treatment modules, enhancing the machine's versatility and adaptability.
Implementation Method 1
the treatment module 11 is designed to supply heat (in particular, steam) to the hardening substance (typically, triacetin) contained in the tow 4 of filtering material and (then) activate said hardening substance
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
Machine for manufacturing filters (2) for cigarettes, comprising an operating assembly (8) to widen a tow (4) of filtering material and a forming assembly (9) to obtain a filter rod (10) with the aforementioned tow (4); treatment modules (11), arranged between the operating assembly (8) and the forming assembly (9), can be replaced with other treatment modules (11) designed to treat the tow (4) of filtering material in a different manner and which can be mounted one on the other so as to be able to carry out several different treatments, at the same time, on the same tow of filtering material (4).