Cartridge Assembly Substations for Precise Aerosol Device Assembly
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Solution Overview
Problem
The manufacturing of electronic smoking articles, such as cartridges for aerosol delivery devices, is challenging due to the small and fragile nature of their components, leading to difficulties in assembly and increased costs associated with manual labor.
Innovation Solution
An automated assembly system comprising a supply unit, feeder unit, and assembly units that alternate in receiving components to assemble cartridges efficiently, utilizing a rotary member with engagement heads and a vibratory arrangement to align and feed components serially, and a robotic arm for inserting partially-assembled cartridges into outer bodies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual assembly is used for cartridge components, then flexibility and adaptability are maintained, but manufacturing precision and productivity deteriorate due to the small and fragile nature of components
Solution Approach 1:
The patent changes the operational parameters of the assembly system by transitioning from manual to automated manipulation. The robotic end effectors are equipped with specialized grippers that adjust their gripping force and positioning parameters to accommodate the small, fragile cartridge components, thereby achieving both precision and adaptability in the automated assembly process
Solution Approach 2:
The patent replaces the manual mechanical assembly system with an automated robotic system. The robotic arms with controlled end effectors substitute human hands and tools, providing consistent, precise positioning and manipulation of components while maintaining the flexibility to handle various cartridge designs through programmable control
2Adaptability or versatility
If manual assembly is used for cartridge components, then adaptability to design changes is maintained, but productivity and time consumption deteriorate
Solution Approach 1:
The patent implements a dynamic assembly system where the robotic end effectors can adapt their manipulation strategies in real-time. The system uses sensors and control algorithms to dynamically adjust gripping forces, movement speeds, and positioning accuracy based on the specific components being assembled, thereby maintaining high productivity across different cartridge designs
Solution Approach 2:
The robotic end effectors are designed with universal capabilities to handle multiple types of cartridge components. The grippers and positioning mechanisms can be programmed to accommodate various component geometries and assembly requirements, allowing a single automated system to produce different cartridge designs without sacrificing productivity
3Manufacturing precision
If automated assembly systems are implemented, then manufacturing precision and productivity are improved, but device complexity and cost increase
Solution Approach 1:
The patent divides the automated assembly system into modular components: robotic arms, end effectors with specialized grippers, vision systems, and control units. Each module performs a specific function and can be independently optimized or replaced, reducing overall system complexity while maintaining high manufacturing precision through coordinated operation of the segmented components
4Productivity
If automated assembly systems are implemented, then productivity and repeatability are improved, but ease of operation and maintenance deteriorate
Solution Approach 1:
The robotic end effectors are equipped with sensors and diagnostic capabilities that allow them to self-monitor their operation, detect anomalies, and alert operators to potential issues. The system can automatically adjust parameters and compensate for wear or misalignment, reducing the need for constant manual intervention and maintenance while maintaining high productivity
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
The system enhances the repeatability and reduces costs by enabling precise and efficient assembly of aerosol delivery device cartridges, improving quality and reducing manual labor errors.
Implementation Method 1
a vibratory arrangement to align and feed components serially
Implementation Method 2
a robotic arm for inserting partially-assembled cartridges into outer bodies
Data Source
AI summary
The present disclosure relates to systems, apparatuses, and methods for assembling cartridges for aerosol delivery devices. The cartridges may be assembled by coupling a base of the cartridge to a carriage that is transported via a track. The track transports the carriages between various substations at which one or more parts are added to the base. The carriage may be lifted from the track by a lifter mechanism at each substation in order to perform assembly operations on the base. An inspection system may inspect the cartridges at various stages of completion at or between the various substations.