Packaging Machine Folding Apparatus for Overlapping Flaps
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional packaging machines struggle to easily fold longer minor end flaps that overlap each other in end-loaded cartons, which are necessary for securely packaging heavy articles like large glass bottles.
Innovation Solution
A folding apparatus within a packaging machine that includes a lug assembly and guides, allowing folding lugs to travel along parallel paths synchronized with the conveyor, enabling efficient folding of overlapping side end flaps by controlling the speed and position of both the lugs and cartons, with adjustable mechanisms for accommodating various carton configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional folding wheels are used, then the packaging machine structure is simple, but it cannot easily fold longer minor end flaps that overlap each other
Solution Approach 1:
The folding apparatus is divided into separate functional components: a lug assembly with multiple folding lugs, guides for positioning, and a conveyor system. Each component performs a specific function in the folding process, allowing the system to handle complex overlapping flap configurations through coordinated action of segmented elements rather than a single complex folding mechanism
Solution Approach 2:
Guides are introduced as intermediary elements between the conveyor and the folding lugs. These guides position and prepare the minor end flaps before they reach the folding lugs, making the folding operation easier and more reliable. The guides act as mediators that simplify the overall folding task by pre-positioning the flaps in the correct orientation and location
2Productivity
If folding lugs travel in the flow direction parallel to cartons, then folding efficiency is improved, but synchronization of speed and position between lugs and cartons becomes complex
Solution Approach 1:
The folding lugs are combined with the conveyor system into an integrated assembly where the lugs are mounted on the conveyor structure itself. This merging allows the folding lugs to naturally move in synchronization with the cartons since they share the same drive mechanism, eliminating the need for complex independent synchronization controls while maintaining high folding efficiency
Solution Approach 2:
The folding lugs are positioned and pre-configured along the conveyor path before the cartons arrive. The timing and positioning of the lugs are predetermined based on the carton flow, so that when cartons reach the folding station, the lugs are already in the correct position and orientation to perform the folding action efficiently without requiring complex real-time synchronization adjustments
3Manufacturing precision
If the packaging machine is configured for specific carton types, then folding precision is high, but adaptability to various carton configurations is reduced
Solution Approach 1:
The folding apparatus incorporates adjustable and reconfigurable elements, including movable guides and repositionable folding lugs, that can be dynamically adjusted to accommodate different carton configurations. This dynamic capability allows the system to maintain high folding precision across various carton types by adapting the position and orientation of the folding elements to match the specific requirements of each carton configuration
Solution Approach 2:
The folding apparatus is designed as a universal system that can handle multiple carton types and configurations through a single integrated structure. The combination of adjustable guides, reconfigurable lugs, and a standardized conveyor interface allows the same apparatus to perform folding operations on various carton sizes and styles, eliminating the need for dedicated folding mechanisms for each carton type while maintaining precision through adjustable positioning
Data Source
AI summary
A packaging machine having a folding apparatus for closing an end of an end loaded carton that includes leading and trailing side end flaps. The packaging machine includes a carton conveyor for transporting a carton in a flow direction along a carton path. The folding apparatus includes a lug assembly that has at least one folding lug that travels along an endless lug path. The folding lug travels in the flow direction and in parallel to the carton path along at least a portion of the lug path such that the folding lug can operate in concert with separation guide and a combination guide to fold the leading and trailing side end flaps in the desired sequence.