Vial Filling and Capping Machine with Archimedes Screw Transport
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Solution Overview
Problem
Existing machines for filling and capping vials lack the capability to simultaneously perform these tasks efficiently while also enabling ring-sealing without external operations, and they require frequent maintenance, affecting productivity.
Innovation Solution
A machine with a supply station, an Archimedes screw, a device for transferring vials, a comb conveyor, a filling station, a capping station, and an outlet zone, allowing for simultaneous filling, capping, and optional ring-sealing of vials in a cascade fashion, with integrated inert gas injection and weighing for precision, and designed for minimal maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a machine is designed to simultaneously fill and cap multiple vials, then productivity is improved, but device complexity increases
Solution Approach 1:
The machine is divided into distinct functional modules: an Archimedes screw for vial transport, a comb conveyor for positioning, a filling station with multiple nozzles, and a capping station with multiple caps. Each module operates independently but coordinates through synchronized timing, allowing simultaneous processing of multiple vials while maintaining manageable complexity through modular design
Solution Approach 2:
The patent combines multiple operations (filling, capping, and ring-sealing) into a single integrated machine that processes vials in one continuous flow. The filling station and capping station are merged into a unified system where vials move through both stations sequentially without interruption, achieving high productivity while consolidating functions into one device
2Adaptability or versatility
If ring-sealing is integrated into the machine, then operational versatility is improved, but device complexity increases
Solution Approach 1:
The machine is designed with multi-functional capability to perform filling, capping, and ring-sealing operations on the same vial batch. The ring-sealing station is integrated downstream of the capping station, allowing the machine to adapt to different product requirements without needing separate external equipment, thereby enhancing versatility while keeping the system unified
Solution Approach 2:
The ring-sealing operation is performed immediately after capping while the vials are still positioned on the comb conveyor, before they are discharged to the outlet. This preliminary action allows the sealing to be completed as part of the main processing flow, integrating the function without requiring additional external operations
3Manufacturing precision
If precise simultaneous filling of multiple vials is achieved, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The comb conveyor operates with periodic step movements that synchronize the positioning of multiple vials with the filling nozzles. Each vial is positioned at a predetermined location on the comb conveyor at specific intervals, allowing all filling nozzles to dispense liquid simultaneously into their respective vials with precise timing and spatial coordination
Solution Approach 2:
The patent uses a mechanically synchronized comb conveyor system where the periodic movement and fixed positioning replace more complex electronic or robotic positioning systems. The mechanical design ensures that vials are automatically positioned at correct locations through the comb structure itself, achieving precise simultaneous filling through mechanical coordination rather than complex control systems
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 machine achieves efficient and reliable simultaneous filling and capping of vials with reduced maintenance needs, maintaining productivity comparable to existing machines while enabling internal ring-sealing, ensuring precise filling and sealing without external operations.
Implementation Method 1
an Archimedes screw (2), having a rotation axis parallel to a longitudinal development of the machine, supplied with the vials in arrival from the supply station (1), and destined to transfer the vials to an outlet thereof
Data Source
AI summary
A machine (M) for filling and capping vials (F), comprising, arranged in a cascade fashion: a supply station (1) of empty vials (F); an Archimedes screw (2) having a rotation axis parallel to a longitudinal development of the machine (M), supplied with the vials (F) in arrival from the supply station (1); a device (D) for disengaging a predetermined number of vials (F) from the screw (2), activated in phase relation with the screw (2), and for transferring the vials (F) transversally; a comb conveyor (3), step-moved and designed to receive the predetermined number of vials (F) from the device (D); a filling station (6, 7), designed for introduction of a liquid solution contemporaneously into a plurality of vials (F); a capping station (10, 11) for contemporaneously sealing a plurality of vials (F); an outlet zone (U) for conveying the vials (F) out of the operating line of the machine.