Aerosol Cartridge Assembly with Vibratory Feeding and Precision Alignment
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Solution Overview
Problem
The manufacturing of electronic smoking articles, such as aerosol delivery devices, is challenging due to the small and fragile nature of their components, making manual assembly inefficient and costly, and there is a need for an automated system to enhance repeatability and reduce costs.
Innovation Solution
An automated assembly substation and method for assembling aerosol delivery device cartridges, utilizing a supply unit with a vibratory arrangement and singulator to align components serially, and a rotary member with engagement heads to alternate feeding components to first and second assembly units, ensuring precise alignment and assembly of cartridges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual assembly is used for electronic smoking articles, then flexibility and adaptability are maintained, but assembly efficiency and productivity are low
Solution Approach 1:
The patent replaces manual mechanical assembly operations with an automated assembly machine that uses mechanical arms, conveyors, and precision positioning systems to perform assembly tasks, thereby increasing productivity while maintaining control through automated mechanical systems
Solution Approach 2:
The patent employs adjustable parameters in the automated assembly system, such as programmable motion paths, variable speeds, and configurable positioning accuracy, allowing the system to adapt to different assembly requirements while maintaining high productivity through automated operation
2Productivity
If automated assembly is implemented, then productivity and repeatability are improved, but device complexity increases
Solution Approach 1:
The automated assembly machine is divided into distinct functional modules including component feeding stations, assembly stations, inspection stations, and control systems. Each module performs a specific function and can be independently optimized or maintained, managing overall system complexity while achieving high productivity
Solution Approach 2:
The assembly machine incorporates multi-functional components that can perform multiple operations, such as robotic arms that can both position and secure components, or conveyors that can transport and orient parts simultaneously, thereby reducing the number of separate devices needed and managing system complexity
3Manufacturing precision
If components are handled manually, then adaptability to component variations is maintained, but manufacturing precision and alignment accuracy deteriorate
Solution Approach 1:
The patent replaces manual alignment operations with automated positioning systems that use precision mechanical guides, computer-controlled actuators, and sensor feedback to achieve accurate component alignment, thereby improving manufacturing precision through automated control
Solution Approach 2:
The alignment system incorporates sensors and detection mechanisms that monitor component positions in real-time and provide feedback to the control system, which automatically adjusts positioning to maintain high alignment accuracy while managing complexity through closed-loop control
4Reliability
If fragile components are assembled manually, then damage risk is reduced, but assembly time and cost increase
Solution Approach 1:
The automated assembly machine incorporates cushioning mechanisms such as soft grippers, compliant end effectors, and controlled deceleration zones in the conveyor system that protect fragile components from damage during handling and assembly, maintaining component integrity while operating at automated speeds
Solution Approach 2:
The handling system uses dynamically adjustable grip forces and motion profiles that adapt to the specific fragility characteristics of different components, allowing the automated system to handle fragile parts gently without sacrificing assembly speed or requiring excessive manual intervention
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 automated system enables efficient and precise assembly of aerosol delivery device cartridges, improving repeatability and reducing costs by ensuring proper alignment and assembly of components, thus enhancing the production process.
Implementation Method 1
a vibratory arrangement defining a pathway configured to arrange the components in a serially-aligned stream
Data Source
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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.