Tobacco Rod Maker Separator Drum for Trim Recovery
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Solution Overview
Problem
Existing methods for manufacturing tobacco rods with dense ends do not effectively recover and reuse trimmed tobacco, leading to inefficiencies and increased tobacco usage in the production process.
Innovation Solution
An apparatus comprising a chamber for cut tobacco filler, a conveyor, a trimmer, a receiver, a separator with a rotatable foraminous separator drum, and an airstream generator to separate and reuse trimmed tobacco, allowing larger pieces to be reintroduced into the tobacco stream while smaller particles are discarded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If trimmed tobacco is discarded in conventional processes, then the manufacturing process is simple, but tobacco usage efficiency decreases
Solution Approach 1:
The patent implements a recovery system where trimmed tobacco is collected in a receiver, separated by size using a foraminous separator drum, and the reusable portion is returned to the tobacco stream. This directly addresses the contradiction by recovering discarded material while managing the complexity through a structured multi-component system.
Solution Approach 2:
The patent introduces intermediary components including a receiver to collect trimmed tobacco, an airstream generator to transport it, and a separator drum to classify it by size. These intermediaries enable the transition from simple discarding to efficient recovery and reuse.
2Productivity
If a separator system with airstream generator is added, then tobacco recovery efficiency improves, but device complexity increases
Solution Approach 1:
The patent employs an airstream generator to pneumatically transport trimmed tobacco from the receiver through the separator system. This pneumatic approach enables efficient tobacco recovery and separation without requiring complex mechanical handling mechanisms, thereby improving productivity while managing device complexity.
3Loss of substance
If all trimmed tobacco is reused, then tobacco usage efficiency increases, but tobacco quality and rod density control deteriorates
Solution Approach 1:
The patent segments the trimmed tobacco stream into different size categories using the foraminous separator drum, which allows small particles to pass through while retaining larger pieces. This segmentation enables selective reuse of appropriate tobacco portions, maintaining both usage efficiency and rod density control by excluding unsuitable particles.
Solution Approach 2:
The patent applies different handling approaches to different portions of trimmed tobacco based on size. Small particles are discarded while larger reusable pieces are returned to the tobacco stream. This local quality approach ensures that only tobacco of appropriate quality is reused, maintaining manufacturing precision while improving overall usage efficiency.
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 efficient separation and reuse of trimmed tobacco, reducing tobacco usage by up to 0.6% and allowing the discard portion to be used for other purposes like reconstituted tobacco sheet production.
Implementation Method 1
an airstream generator that generates an airstream from the receiver through the separator so that cut tobacco filler that has been removed by the trimmer is transported in the airstream and drawn to the separator
Implementation Method 2
the separator comprising a rotatable foraminous separator drum that allows small particles of tobacco into the interior of the separator drum but not larger pieces of tobacco
Implementation Method 3
means for blocking the airstream over a part of the cylindrical surface of the separator drum as it rotates so that the said larger pieces of cut tobacco filler can leave the surface of the separator drum and enter the return path
Data Source
Figure 1
Figure 2
AI summary
Apparatus for providing a stream of tobacco to be wrapped to form a tobacco rod, comprises a chamber 100 for cut tobacco filler, a conveyor belt 102 for receiving the cut filler, a trimmer 108 for removing tobacco from the conveyor, a receiver 114 for receiving trimmed cut tobacco filler; a separator 118 connected to the receiver for receiving cut filler therefrom and separating the cut filler into a reusable portion and a discard portion, a return path126 from the separator for reintroducing the reusable portion onto the conveyor and an airstream generator, the separator comprising a separator drum that allows small particles of tobacco into the interior of the drum but not larger pieces of tobacco, the interior of the drum being connected, the airstream being drawn from the receiver through the drum; and means for blocking the airstream over a part of the surface of the drum so that the larger pieces of cut tobacco filler can leave the surface of the drum and enter the return path. A method of providing a stream of tobacco to be wrapped to form a tobacco rod is also disclosed.