Transport System Guide Rail Segmentation for Hygiene and Welding
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Solution Overview
Problem
Existing transport systems for container closures allow product residues and microorganisms to penetrate between holding elements, leading to contamination and difficulties in cleaning, and the guide rails warp during welding, requiring time-consuming realignment.
Innovation Solution
The holding elements are spaced apart from the guide rails, with the end sections of the guide rails connected to each other, forming minimal contact surfaces that can be easily sealed and cleaned, and extensions are used for heat transfer during welding to reduce distortion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If holding elements are positioned at the ends of guide rails and welded directly, then structural connection is achieved, but product residues and microorganisms can penetrate between holding elements creating contamination risk
Solution Approach 1:
The holding element is divided into two separate components: a holding element proper and an extension. This segmentation allows the extension to serve as a welding interface while the holding element maintains its hygiene function with spaced-apart guide rail connections, preventing contamination while simplifying manufacturing.
Solution Approach 2:
An extension acts as an intermediary component between the holding element and the guide rail. This extension provides a dedicated welding surface that is separated from the hygiene-critical areas, allowing direct welding without compromising contamination prevention. The extension mediates between the structural connection requirement and the hygiene requirement.
2Ease of manufacture
If guide rails are welded directly to holding elements, then connection is achieved, but guide rails warp due to heat requiring time-consuming realignment
Solution Approach 1:
By segmenting the holding element into a holding portion and an extension portion, the welding operation is isolated to the extension which can be designed with adequate thermal mass and geometry to minimize warping. The guide rail connects to the holding element at a distance from the welding zone, protecting it from heat-affected warping while maintaining connection integrity.
3Stability of the object's composition
If holding elements are positioned close together to form continuous support, then structural stability is improved, but cleaning access becomes difficult and contamination risk increases
Solution Approach 1:
The welding function is extracted from the holding element itself and placed in a separate extension component. This allows the holding element to be positioned optimally for cleaning access and structural stability, while the extension provides the necessary welding interface. The extension can be designed to minimize interference with cleaning operations while maintaining structural support.
4Strength
If guide rails are connected to holding elements at multiple points, then connection strength is improved, but more contact surfaces are created where contaminants can accumulate
Solution Approach 1:
The welding contact surfaces are extracted and relocated to the extension component, separating them from the hygiene-critical areas. This allows strong mechanical connections through welding while minimizing the number of contact surfaces in the contamination-prone zones. The extension acts as a buffer that absorbs the connection requirements without compromising hygiene.
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
This design prevents contamination by minimizing gaps for residue and microorganism penetration, facilitates easy cleaning, and reduces the effort required to align guide rails post-welding, ensuring a hygienic and efficient transport system.
Implementation Method 1
extensions are used for heat transfer during welding to reduce distortion
Data Source
Figure 1
Figure 2
AI summary
The transport system (1) has one or multiple channels (2) in which container closures (3) are transported. The channels are formed by channel segments (4) with guide rails (5). The guide rails are fixed to each other via retaining elements (6) arranged from ends of the guide rails in a spaced-apart manner. End portions (7) of the guide rails are connected to each other, where each of the retaining elements has an opening (8) that encloses the guide rail. The guide rails are formed by projections transverse to the channels, over which the retaining elements are connected with the guide rails.