Slicing Machine Blade Catch Pivot Design
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Solution Overview
Problem
Slicing machines face safety risks due to rotating blades coming loose and flying off, posing a danger to the environment, as existing protective blade housings are not effective in preventing such incidents.
Innovation Solution
Incorporating a catch pivot with a central opening in the blade and a protective blade housing that allows the blade to be securely fastened, preventing it from flying off even if it becomes loose, and utilizing a blade carrier for safe mounting and dismounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective blade housing with a movable blade door is used to contain the rotating blade, then safety against blade flying off is improved, but the complexity of the device increases and blade maintenance becomes more difficult
Solution Approach 1:
The protective blade housing is segmented into a stationary housing body and a movable blade door that can be independently opened. This allows the blade access mechanism to be isolated from the main housing structure, enabling safety containment while maintaining ease of blade replacement through the separable door design
Solution Approach 2:
The blade door is pre-positioned and integrated into the housing structure before operation. This preliminary arrangement ensures that the blade is automatically contained within the protective housing during slicing operations, providing safety without requiring additional active control mechanisms during operation
2Reliability
If the blade door is kept closed during operation to prevent blade ejection, then safety is improved, but access to the blade for maintenance and replacement is restricted
Solution Approach 1:
The blade access system is segmented by providing a dedicated movable door that separates the blade containment function from the maintenance access function. The door can be independently opened to provide direct access to the blade while the rest of the housing remains closed to maintain safety
Solution Approach 2:
The blade door is designed as a dynamic component that can transition between closed (safety) and open (access) states. This dynamic capability allows the system to adapt between safety containment and maintenance access requirements without compromising either function
3Productivity
If the blade is positioned at an angle and overhangs forwards to facilitate slice discharge, then slicing performance is improved, but the difficulty of dismantling and removing the blade increases
Solution Approach 1:
The blade mounting system is segmented by providing a dedicated movable door that provides direct access to the blade mounting area. This segmentation allows the blade to be accessed, loosened, and removed through the door opening without requiring disassembly of the entire housing structure
Solution Approach 2:
The blade removal process is simplified by extracting the blade from its mounted position through the movable door. The door serves as a dedicated extraction pathway that allows the blade to be removed without disturbing the angled positioning structure or other housing components
Data Source
AI summary
In order to prevent a rapidly rotating blade from flying away in the event of unintentional loosening, for which purpose the blade usually rotates in a protective blade housing, a catch pivot can-alternatively or additionally—be provided, which ends with its free end at such a small distance in front of an oppositely directed free end of a rotor and also extends in a direction of a blade axis of the blade 3 that a distance therebetween is less than a thickness of the blade. This prevents the blade from coming out radially through the distance between these two parts in the area of a central opening.