Adjustable Packaging Module Wrapping Rods Adaptability
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Solution Overview
Problem
Existing packaging machines struggle to adapt easily, quickly, and cost-effectively to different dimensions of packaged goods and varying processing efficiencies when wrapping packs or article groups with packaging film.
Innovation Solution
A packaging module with adjustable guiding sections for wrapping rods, allowing vertical, horizontal, and angular adjustments of continuous traction means to form a flexible guiding contour, enabling precise alignment and tension control for wrapping chains, and incorporating sensors for automatic adjustments based on article dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If rigid curve profiles are used for wrapping, then the wrapping path is stable and predictable, but the device cannot be easily adapted to different pack dimensions and processing efficiencies
Solution Approach 1:
The patent applies the dynamics principle by replacing rigid, fixed contours with dynamic, adjustable contours. The chain bases are made height-adjustable and the chain lengths are made variable, allowing the wrapping system to adapt its geometry dynamically. This enables the same physical device to accommodate different pack dimensions without requiring physical replacement of contour components, thus resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The patent implements parameter changes by making key geometric parameters (chain base height, chain length, wrapping rod position) adjustable rather than fixed. This allows the system to change its operational parameters to match different pack sizes and processing requirements, achieving versatility without requiring multiple specialized devices or complex reconfiguration mechanisms.
2Productivity
If multiple specialized contours are used for different products, then processing efficiency is optimized for each product type, but the time and cost for changing contours increases
Solution Approach 1:
The patent applies universality by designing a single wrapping device that can handle multiple product types through adjustment mechanisms. The height-adjustable chain bases and variable chain lengths allow one universal contour system to perform the function of multiple specialized contours, eliminating the need to physically change contours when switching between different pack types, thus reducing changeover time while maintaining processing efficiency.
Solution Approach 2:
The dynamic adjustability of the contour parameters allows the system to quickly transition between different wrapping configurations optimized for different products. Rather than static, product-specific contours that require physical replacement, the system dynamically reconfigures its geometry through adjustable mechanisms, maintaining high processing efficiency across varied product types while minimizing changeover time.
3Adaptability or versatility
If fixed chain lengths are used, then the wrapping device structure is simple, but the device cannot adapt to different processing efficiencies and article sizes
Solution Approach 1:
The patent implements dynamics by making the chain lengths variable rather than fixed. This allows the wrapping device to adapt its chain length to match different processing speeds and article sizes dynamically during operation. The variable chain length mechanism, while adding some complexity, enables the system to optimize performance for different operational conditions without requiring multiple specialized chain sets or complex reconfiguration procedures.
Data Source
AI summary
A packaging module for wrapping packs or article groups with packaging film. The packs or article groups to be wrapped are transported in an upright position on a horizontal conveying device to a packaging station. A film wrapping device includes at least one wrapping rod extending perpendicular to the transport direction and is guided on both long sides of the horizontal conveying device by continuous traction devices.The continuous traction devices each includes guiding sections that define the position and the deflection of the continuous traction device. The corresponding guiding sections of the two parallel continuous traction devices are adjustable pair wise in the same direction in their vertical and/or horizontal position and/or in their angular position about a pivot point.