Counterbalanced Die Members for Packaging Machine Tooling Extraction
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Solution Overview
Problem
Current packaging machines face challenges in efficiently forming and closing pockets in flexible packaging material while allowing for easy tooling changes and maintaining synchronized operation across different web transport directions.
Innovation Solution
A packaging machine with counterbalanced movable forming and closing die members, driven by a lift mechanism and servo motor, facilitates simultaneous formation and closing of pockets in flexible packaging material, enabling easy tooling changes and synchronized operation across various web transport directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If tooling is extracted from the packaging machine for changes or repairs, then ease of operation is improved, but productivity deteriorates due to machine downtime
Solution Approach 1:
The die members are designed with movable characteristics, allowing them to be shifted between operational positions and extracted positions. This dynamic capability enables tooling changes without complete disassembly, reducing downtime while maintaining ease of operation.
Solution Approach 2:
The packaging machine uses separate, modular die members that can be independently extracted and replaced. This segmentation allows for quick tooling changes by removing only the specific die member needing maintenance rather than the entire tooling assembly.
2Adaptability or versatility
If the machine operates in reverse to transport web material, then adaptability is improved, but manufacturing precision deteriorates due to difficulty in maintaining die member registration
Solution Approach 1:
The die members are designed to be movable between operational positions and extracted positions. This dynamic capability allows the machine to accommodate bidirectional web transport while maintaining proper die member registration through controlled movement mechanisms.
Solution Approach 2:
The die members are designed to function in multiple orientations and positions, enabling the machine to operate with web material transported in either forward or reverse directions while maintaining manufacturing precision through universal design features.
3Strength
If heavy die members are used for forming and closing, then strength is improved, but device complexity increases due to need for counterbalancing mechanisms
Solution Approach 1:
Counterbalancing mechanisms are implemented to offset the weight of heavy die members, enabling their controlled movement between operational and extracted positions. This allows strong die members to be used without excessive complexity in the movement system.
Solution Approach 2:
The die members are designed with movable characteristics, allowing them to be shifted between operational positions and extracted positions. This dynamic capability enables the use of heavy, strong die members while maintaining manageable device complexity through controlled movement mechanisms.
Data Source
AI summary
Packaging machines are disclosed including a web transport conveyor transporting a web of flexible packaging material from upstream to downstream locations through a series of stations. Packaging apparatuses are disclosed including a forming station and a closing station, each having movable die members that are counterbalanced. Methods of operating the packaging apparatus are disclosed.