Modular Shrinking Device Shaft Walls for Flexible Packaging
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Solution Overview
Problem
Existing shrinking devices are inflexible and require significant effort to reconfigure for different product groups, as the shaft walls are typically designed as single, welded or riveted constructions, making it difficult to adapt the spraying of packaged goods to varying sizes and shapes effectively.
Innovation Solution
The modular design of the shrinking device features shaft walls composed of multiple chamber modules with adjustable outflow surfaces and a comb-shaped support structure, allowing for flexible adjustment of the cross-sectional area and outflow pattern to optimize the spraying of packaged goods, with each module being supplied by a dedicated shrinking agent distribution device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If shaft walls are constructed as single-piece welded or riveted structures, then structural strength and stability are improved, but adaptability and ease of reconfiguration for different product groups deteriorate
Solution Approach 1:
The shaft wall is divided into multiple modular segments that can be independently assembled and disassembled. Each segment contains functional components such as nozzles and heating elements, allowing the shaft wall configuration to be adapted to different product groups while maintaining structural integrity through standardized connection interfaces.
Solution Approach 2:
The modular shaft wall segments are designed with universal connection mechanisms and standardized interfaces that allow the same basic module to serve multiple functions across different product configurations. This enables a single set of modular components to handle various product sizes and types by rearranging or replacing specific segments.
2Ease of manufacture
If shaft walls are designed as fixed single-piece constructions, then manufacturing simplicity is improved, but ease of repair and modification deteriorates
Solution Approach 1:
By segmenting the shaft wall into modular units with standardized connections, each module can be manufactured independently using simple processes, then assembled into the complete shaft wall. This segmentation enables individual modules to be replaced or repaired without affecting the entire structure, significantly improving ease of repair while maintaining manufacturing simplicity through standardized components.
3Adaptability or versatility
If shaft walls are constructed as modular segments, then adaptability and ease of reconfiguration are improved, but device complexity increases
Solution Approach 1:
The modular segmentation of the shaft wall allows for standardized接口 and connection mechanisms that reduce overall system complexity. Each module is a self-contained unit with integrated components, eliminating the need for complex custom fabrication when reconfiguring for different products. The standardized modular interfaces simplify assembly and disassembly procedures.
Solution Approach 2:
Multiple functional components (nozzles, heating elements, structural supports) are merged into integrated modular segments. This combining of functions within each module reduces the total number of separate components and connections required, thereby reducing device complexity while maintaining adaptability through module replacement rather than individual component modification.
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 modular design enables precise control over the spraying pattern and energy distribution, ensuring consistent shrink film application across the transport route, reducing energy loss and improving the efficiency of the shrinking process by maintaining optimal shrinking agent flow and temperature.
Implementation Method 1
a blower (20) for generating hot air or another suitable shrinking agent generator (6). The shrinking agent is directed via the shrinking agent distribution device into the interior of the shaft walls
Implementation Method 2
The shrink film is shrunk around the items in a shrink tunnel by supplying a shrinking agent, such as hot air
Data Source
Figure 1
Figure 2~3
Figure 4(A)~4(B)
AI summary
The shrinkage device has a transport path for the articles or article combination, on which articles covered with packaging unit are transported in a transport direction (TR). Two shaft walls are arranged on both sides along the transport path. A shrinkage aid distributing device is arranged over each shaft wall. The shaft walls are formed of two shaft chamber modules arranged in series one after another in transport direction. Two shaft chamber modules are assigned to the shrinkage aid distributing device per shaft wall.