Cutter Head Disc with Irreversible Fastening Bolts
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Solution Overview
Problem
Existing cutter head discs in the food industry face challenges in simplification, hygiene optimization, and efficient assembly, leading to potential for incorrect assembly and loss of components during cleaning.
Innovation Solution
A cutter head disc design featuring a metal core with a plastic sheathing, irreversible fastening bolts, and adjustable knife contact surfaces, which allows for easy knife exchange and improved hygiene by minimizing disassembly and ensuring correct assembly, with optional magnets and sealing edges for enhanced performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If bolts are made removable for cleaning purposes, then ease of cleaning is improved, but reliability deteriorates due to potential loss or incorrect reassembly of bolts
Solution Approach 1:
The cutter head disc is segmented into a core component and removable knife components, allowing the knives to be detached for cleaning while the core remains intact. This segmentation enables targeted cleaning of the blade contact surfaces without requiring disassembly of fastening bolts, thus maintaining assembly reliability while improving cleaning efficiency.
2Reliability
If multiple bolts are provided per knife, then reliability of knife attachment is improved, but device complexity increases
Solution Approach 1:
The fastening function is extracted from the knife component itself and transferred to the core through integrally formed fastening elements. This allows the knives to be securely attached with minimal fastening components while maintaining high reliability, as the fastening elements are permanently formed as part of the core structure rather than being separate removable parts.
3Productivity
If cutter head disc is designed for high-speed operation, then productivity is improved, but manufacturing precision requirements worsen due to balancing demands
Solution Approach 1:
The core is designed with locally optimized properties including specific density distribution and geometric features that facilitate balancing. The fastening elements are strategically positioned and dimensioned to create balanced force distributions during high-speed rotation, allowing the cutter head disc to operate at high speeds (e.g., 180 m/s at the cutter tip) while maintaining acceptable balancing requirements through localized structural optimizations.
Data Source
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AI summary
The invention relates to a cutter head disk (1) for a cutter. Said cutter head disk (1), on which at least one blade (8) can be mounted, has a core (9) that is provided with a sleeve (3) on the periphery thereof. At least one fastening bolt (4) for each blade is provided on the core (9), the fastening bolts (4) being irreversibly connected to the core (9) or the core (9) and the fastening bolts (4) being in the form of a single piece. The invention further relates to a cutter head and a set consisting of a plurality of cutter head disks (1).