Quick-Change Forming Station Assembly for Necker Machines
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Solution Overview
Problem
Necker machines require a large number of processing and forming stations, which is inefficient, and exchanging elements to accommodate different can body radii and heights is time-consuming and prone to losing fasteners.
Innovation Solution
A necker machine with a forming station configuration that includes a frame assembly, inboard turret assembly, outboard turret assembly, and quick-change assembly, utilizing a limited number of couplings and retaining mechanisms to facilitate easy exchange and prevent loss of components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If many processing and forming stations are used in the necker machine, then the desired forming can be completed, but the machine complexity and processing time increase
Solution Approach 1:
The patent combines multiple forming operations into a single integrated die assembly that performs multiple forming functions simultaneously. The die assembly includes multiple forming surfaces and features that can shape different portions of the can body in one operation, eliminating the need for separate processing stations for each forming step.
Solution Approach 2:
The die assembly is designed as a universal tool that can accommodate multiple can body types and performing various forming operations. By incorporating adjustable elements, interchangeable components, and multiple forming features in one assembly, the system can handle different can geometries without requiring dedicated stations for each can type.
2Reliability
If many fasteners and couplings are used to attach elements, then the elements can be securely attached, but the exchange time increases and fasteners may be lost
Solution Approach 1:
The die assembly and other elements are designed as modular, segmented components that can be attached and detached as complete units. This segmentation allows the entire assembly to be exchanged in one operation rather than disassembling and reassembling multiple individual fasteners, significantly reducing changeover time while maintaining secure attachment through integrated coupling mechanisms.
Solution Approach 2:
The patent introduces intermediary coupling mechanisms such as quick-change couplings, retention mechanisms, and intermediate attachment devices that facilitate rapid element exchange. These intermediaries serve as mediators between the element being exchanged and the machine structure, enabling secure attachment with minimal fastening operations and preventing fastener loss through integrated retention features.
3Adaptability or versatility
If elements are exchanged to accommodate different can body sizes, then the machine can handle various products, but the exchange process is time-consuming and prone to errors
Solution Approach 1:
The die assembly incorporates universal features and adjustable elements that allow it to accommodate multiple can body sizes and geometries without requiring complete element replacement. Features such as adjustable positioning mechanisms, interchangeable inserts, and scalable forming surfaces enable the same basic assembly to be adapted to different can types, reducing exchange time while maintaining versatility.
Solution Approach 2:
The patent implements dynamic, adjustable elements within the die assembly that can be reconfigured for different can body dimensions. These dynamic features include adjustable positioning systems, movable forming surfaces, and reconfigurable tooling elements that allow rapid adaptation to various can sizes through simple adjustments rather than full element exchanges.
Data Source
AI summary
A forming station for a necker machine including a frame assembly, an inboard turret assembly, an outboard turret assembly and a forming station quick-change assembly.