Free-wheeling Deflection Shaft for Flexible Packaging Material Feeding
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Solution Overview
Problem
Existing packaging material production machines require precise positioning of the packaging material supply to ensure safe insertion into the feed funnel, leading to inefficiencies and potential jams.
Innovation Solution
A packaging material production machine equipped with a free-wheeling deflection shaft or deflection rod with increasing lateral end sections that allows for safe and reliable feeding of packaging material into the feed funnel, regardless of its position, eliminating the need for a holding device and reducing the likelihood of jams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional deflection device (cylindrical shaft or triangular rod) is used, then the packaging material can be guided into the feed funnel, but the packaging material supply must be positioned at a specific location to ensure safe insertion
Solution Approach 1:
The patent applies the dynamics principle by making the deflection shaft rotatable about its longitudinal axis. This dynamic capability allows the lateral end sections to present their tapered surfaces to packaging material supplies positioned at various locations, enabling the shaft to adapt to different supply positions through rotation rather than requiring a fixed supply position
Solution Approach 2:
The deflection shaft is designed with universal functionality to handle packaging material supplies from multiple positions. The tapered lateral end sections can guide material from different locations by rotating to the appropriate orientation, making the device adaptable to various supply configurations without requiring repositioning of the supply
2Reliability
If a holding device is used to position the packaging material supply, then safe insertion into the feed funnel is ensured, but the device complexity increases
Solution Approach 1:
The deflection shaft performs self-service by using its own rotational capability and tapered lateral end sections to ensure safe insertion of packaging material into the feed funnel. The shaft automatically orients itself to guide material from various positions without requiring an external holding device to position the supply
Solution Approach 2:
The rotatable deflection shaft uses dynamic motion to achieve reliable material insertion. By rotating to align the tapered lateral end sections with the packaging material supply, the shaft ensures safe guidance into the feed funnel without needing additional static holding devices
3Adaptability or versatility
If the packaging material supply is positioned away from the machine, then flexibility is improved, but the likelihood of jams increases with conventional deflection devices
Solution Approach 1:
The rotatable deflection shaft dynamically adapts to packaging material supplies positioned at various distances and locations. By rotating to present the tapered lateral end sections toward the supply, the shaft maintains reliable material guidance and insertion even when the supply is positioned away from the machine, preventing jams that would occur with fixed deflection devices
Data Source
AI summary
A packaging material production machine for manufacturing a packaging material product may include a feed funnel for introducing packaging material from a web-shaped packaging material supply into the packaging material production machine, and a deflection shaft supported rotatably in a free-wheeling manner on the packaging material production machine for introducing the packaging material into the feed hopper. The deflection shaft may include lateral end portions whose diameters continuously increase outwardly at least in sections. The packaging material may be in the form of a leporello stack or in roll form.