Knife Assembly Tab Tensioning for Strip-Cut Food Processing
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Solution Overview
Problem
Current size reduction equipment, such as centrifugal-type cutting apparatuses, face challenges in producing strip-cut food products with longer tabs due to the risk of flexing, bending, or breaking, limiting the maximum tab height and efficiency in cutting operations.
Innovation Solution
The development of knife assemblies with a tab support assembly that applies tension to the tabs, using mounting blocks and guide screws to secure and clamp the tabs, reducing the likelihood of damage during cutting operations, and allowing for the production of thicker strip-cut food products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If tab height is increased to produce thicker strip-cut products, then product thickness capability is improved, but the tabs are more prone to flexing, bending, and breaking during operation
Solution Approach 1:
The tab support assembly applies tension to the tabs before cutting operations begin, pre-stressing them to resist flexing and bending during the cutting process. This preliminary action prevents tab damage before it occurs, enabling safer use of higher tab heights for thicker product production.
Solution Approach 2:
The invention changes the physical state of the tabs by applying tensile stress through the support assembly. This parameter change in the mechanical state of the tabs (from relaxed to tensioned) increases their resistance to deformation and breaking, allowing them to withstand the forces encountered during cutting operations.
2Reliability
If tab support assembly is added to apply tension to tabs, then tab damage resistance is improved, but device complexity increases
Solution Approach 1:
The tab support assembly is integrated with the existing knife assembly structure, combining the support function with the clamping mechanism. The mounting blocks are secured to the shoe using the same bolt holes that secure the knife holder, merging multiple functions into a unified structure and minimizing additional complexity.
Solution Approach 2:
The mounting blocks serve multiple functions: they provide structural support for the tab, apply tension to the tab through the guide screws, and serve as attachment points for securing the knife holder to the shoe. This multi-functionality reduces the need for separate components, thereby limiting the increase in device complexity.
Data Source
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AI summary
Knife assemblies and cutting apparatuses adapted for producing strip-cut products, for example, a strip-cut food product. The knife assemblies include a slicing knife having a leading edge configured to produce a slice product from a product, at least one tab that extends outward from the slicing knife and configured to cut the slice product into strips, a knife holder for securing the slicing knife and fixing a proximal end of the tab to a position adjacent to the slicing knife, and a tab support assembly configured to clamp onto a distal end of the tab and optionally pull the tab in a direction away from the knife holder along a longitudinal axis of the tab to apply tension to the tab.