Integrated Heated-Air Diffusion for Uniform Packaging Web Sealing
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Solution Overview
Problem
Existing packaging machines face challenges with heating devices that are difficult to clean, have high thermal inertia, require excessive energy consumption, and result in non-uniform heating of packaging material, leading to inefficiencies in the folding and sealing process.
Innovation Solution
A device for directing a heated air flow towards the packaging material, comprising a unified and compact structure with integrated heating and distribution components, ensuring uniform temperature distribution and reduced thermal inertia, facilitating easy manufacturing and cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a heating device with removable connecting elements is used, then the device can be disassembled for cleaning, but the thermal inertia of the components produces inhomogeneous temperature distribution
Solution Approach 1:
The heating device is divided into separable components including a distribution housing, heating element, and supporting devices that can be detached from each other. This segmentation enables easy disassembly for cleaning while maintaining functional integrity during operation.
Solution Approach 2:
The heating device incorporates movable supporting devices that can dynamically adjust their position relative to the packaging material. This dynamic positioning allows optimization of heating uniformity while maintaining cleanability through periodic disassembly.
2Productivity
If the heating device is positioned close to the packaging material for efficient heating, then heating efficiency improves, but when the web advancement is interrupted, excessive heat is directed onto the material
Solution Approach 1:
The heating device is designed with movable supporting devices that can dynamically adjust their position. During normal operation, the device is positioned close to the packaging material for efficient heating. When web advancement is interrupted, the supporting devices move the heating element away from the material to prevent overheating.
Solution Approach 2:
The system incorporates detection means that monitor the advancement of the packaging material web. Based on this feedback, the position of the heating device is automatically adjusted to maintain optimal heating conditions and prevent harmful overheating when the web stops moving.
3Ease of manufacture
If multiple removable connecting elements are used in the heating device, then assembly and disassembly is simplified, but the device complexity increases
Solution Approach 1:
The heating device is segmented into modular components connected by removable connecting elements. This segmentation simplifies manufacturing by allowing each component to be produced separately and assembled using standardized connections, while the modularity actually reduces overall complexity compared to a monolithic design.
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 solution provides uniform heating of the packaging material, improving the sealing process efficiency, reducing energy consumption, and simplifying maintenance, while maintaining a sterile environment for producing high-quality sealed packages.
Implementation Method 1
the distribution housing is connected through removable connecting elements to a diffusion housing provided with several openings for directing, in use, the heated air flow towards at least a first lateral portion
Data Source
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AI summary
It is described a device (17) for directing a heated air flow towards a first lateral portion (4A) of a web (4) of packaging material, the device (17) with a distribution housing (30) provided with a first inlet opening (31) for receiving the heated air flow; and a diffusion housing (42) in fluidic communication with the distribution housing (30) and comprising a first wall (43) provided with a number of first through openings (44), wherein the openings (44) are configured for directing, in use, the heated air flow towards the first lateral portion (4A); wherein the distribution housing (30) is integrated with the diffusion housing (42).