Gassing Rail Layout for High-Speed Container and Cap Flushing
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Solution Overview
Problem
Existing gassing rail systems in high-speed capping machines are inadequate for effectively flushing gas from containers and caps due to limited access and space constraints during the high-speed convergence of containers and caps, making traditional overhead flushing difficult.
Innovation Solution
A gassing rail system with a capper gassing rail, curved side gassing rails, and a transition gassing rail that provides low-profile gas distribution slots and paths to purge container headspaces and cap cavities, ensuring continuous gas flushing during the convergence and sealing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional overhead flushing systems are used, then gas can be supplied to containers, but the system cannot effectively flush gas from caps due to space constraints during high-speed convergence
Solution Approach 1:
The gassing rail is divided into distinct segments: a container gassing section with slots for container flushing, and a cap gassing section with slots for cap flushing. This segmentation allows each section to be optimized for its specific function, enabling effective gas supply to both containers and caps despite space constraints during high-speed convergence.
Solution Approach 2:
The gas distribution slots are positioned in multiple spatial dimensions - container slots are positioned to flush container openings while cap slots are positioned above to flush cap cavities. This multi-dimensional arrangement allows simultaneous flushing of both containers and caps without requiring overhead access that would interfere with the high-speed convergence process.
2Productivity
If high-speed capping is maintained, then production volume increases, but gas flushing becomes difficult due to limited access time
Solution Approach 1:
The gassing rail is positioned to move continuously with the containers and caps through the convergence zone, maintaining continuous gas supply throughout the entire process. The rail includes both container gassing slots and cap gassing slots that operate simultaneously and continuously, ensuring that gas flushing occurs throughout the high-speed convergence process rather than as an interrupted or post-process operation.
Solution Approach 2:
Gas flushing occurs in advance of the capping operation, with the gassing rail positioned to supply gas to containers and caps before they converge and before the cap sealing process begins. This preliminary gas supply ensures that the headspace is purged of air before the product sealing process, maintaining effectiveness even at high speeds.
3Ease of operation
If a low-profile gassing system is used, then access during convergence is improved, but gas distribution coverage must be maximized in limited space
Solution Approach 1:
The gassing rail features locally optimized gas distribution - container gassing slots are positioned and sized to provide effective flushing of container openings, while cap gassing slots are positioned and sized to provide effective flushing of cap cavities. Each local region of the rail is designed with specific slot configurations tailored to the particular flushing requirements of that area, maximizing gas distribution effectiveness within the limited profile space.
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
Ensures effective gas flushing of both containers and caps at high speeds by maintaining gas protection throughout the convergence and sealing process, enhancing the efficiency and reliability of the packaging process.
Implementation Method 1
The flushing gas is used to displace an undesirable gas from an open container during the packaging process
Data Source
AI summary
The present invention provides a gassing rail for gas flushing containers and caps on a rotary capping machine, wherein the gassing rail includes a generally planar body, an upper surface formed on the generally flat planar body, the upper surface having at least one cap gas distribution slot defining a longitudinally extending cap path, the cap gas distribution slot includes an infeed end and an exit end, a lower surface formed on the generally flat planar body, the lower surface having at least one container gas distribution slot defining a longitudinally extending container path, the container gas distribution slot includes an infeed end and an exit end, wherein the cap infeed end is horizontally spaced apart from the container infeed end and the cap path and container path horizontally converge in the direction towards the cap exit end and container exit end. The present invention also provides a gassing rail system for gas flushing containers and caps on a rotary capping machine, the gassing rail system includes the capper gassing rail and at least one curved longitudinally extending side gassing rail having a proximal or infeed end and a distal or discharge end, the side gassing rail extends from the system away and downstream from the generally planar body, the side gassing rail further defines the longitudinally extending cap path, the side gassing rail defines an adjacent cap fastening area.