Rotating Drum Cartridge Manufacturing Machine
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Solution Overview
Problem
The production of cartridges for electronic cigarettes is currently labor-intensive and of variable quality due to manual or rudimentary machinery, resulting in low productivity and inconsistent output.
Innovation Solution
A plant with a machine that automates the production of cartridges, featuring a rotating drum system for simultaneous processing of cartridges through filling, weighing, filtering material insertion, and sealing, ensuring high productivity and quality standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual or rudimentary packaging machines are used for cartridge production, then labor flexibility is maintained, but productivity is low and quality is variable
Solution Approach 1:
The automated production system is divided into distinct functional modules: a rotating drum for holding multiple cartridges, separate filling units, weighing stations, and packaging sections. Each module performs a specific operation independently, allowing the system to process multiple cartridges simultaneously through segmented parallel operations.
Solution Approach 2:
The rotating drum serves multiple functions: it holds cartridges during processing, positions them for filling, enables weighing, and facilitates transfer to packaging. The automated system integrates filling, weighing, and packaging operations into a single multi-functional platform that handles the entire production sequence.
2Manufacturing precision
If manual operations are used for filling and sealing cartridges, then equipment cost is low, but manufacturing precision is poor
Solution Approach 1:
Weighing stations are integrated into the production line to measure the actual weight of each cartridge after filling. This feedback mechanism allows for real-time quality control, identifying and removing underfilled or overfilled cartridges, thereby ensuring consistent filling precision across all produced units.
Solution Approach 2:
The system performs self-inspection through automated weighing and sorting mechanisms that automatically identify and eliminate defective cartridges without human intervention. The production line self-regulates quality by integrating measurement and rejection functions directly into the manufacturing process.
3Productivity
If individual cartridge weighing and sorting is performed manually, then equipment simplicity is maintained, but productivity remains low
Solution Approach 1:
The rotating drum enables continuous processing by constantly presenting new cartridges to each operational station. Cartridges are filled, weighed, and sorted in an unbroken sequence without idle time between operations, maintaining continuous productive action throughout the production cycle.
Solution Approach 2:
The system transitions from linear sequential processing to radial parallel processing using a rotating drum. Multiple cartridges are processed simultaneously at different angular positions around the drum, adding a rotational dimension to the production flow and enabling parallel operations that increase throughput.
Data Source
Figure 1a~1d
Figure 2
Figure 3
AI summary
A machine (11) to manufacture cartridges (3) for electronic cigarettes (2) comprising a casing (5) made of plastic material; the manufacturing machine (11) comprises a drum (12) rotating at a predetermined pitch around its own vertical rotation axis, which receives an orderly mass of empty casings (5) from a feeding conveyor (13), in correspondence to a collecting station (PS), and feeds them through a succession of processing stations (FS, WRS,, FRS, CDS, CS); in which, the first drum (12) is provided with a plurality of peripheral seats (23), each designed to receive a respective casing (5) and which are divided into groups comprising the same number of seats (23) arranged substantially in line so as to form, in plan view, a polygon on the surface of the first drum (12); in which the casings (5) of the seats (23) of a same group are simultaneously subjected to the processes in correspondence to the succession of processing stations (FS, WRS,, FRS, CDS, CS).