Boiled Egg Shelling Rollers with Separate Breaking and Shelling Zones
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Solution Overview
Problem
Existing egg shelling apparatuses face challenges in reliably breaking open hard shells without damaging the eggs, as high cycle frequencies for breaking open shells can lead to destruction of partially shelled eggs during the shelling process.
Innovation Solution
The apparatus is divided into two operating regions: a breaking-open station with adjustable cycle frequency and angle for striking and breaking open eggshells, and a separate shelling region optimized for gentle egg handling, allowing independent configuration of the breaking-open and shelling processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cycle frequency of the longitudinal guides is increased to reliably break open hard eggshells, then the shell breaking effectiveness is improved, but the risk of destroying already-shelled or partially-shelled eggs increases
Solution Approach 1:
The apparatus is divided into two separate operating regions: a first region dedicated to striking and breaking open eggshells, and a second region for the actual shelling operation. This spatial segmentation allows the longitudinal guides in the first region to operate at high cycle frequencies to effectively break hard shells, while the second region maintains gentler conditions suitable for removing shells from already-cracked eggs without causing destruction.
2Reliability
If the longitudinal guides are positioned at acute angles for effective shell striking, then the shell breaking capability is improved, but the gentleness of the shelling operation is reduced
Solution Approach 1:
Different regions of the apparatus are given different local qualities: the first operating region features longitudinal guides positioned at acute angles optimized for striking and breaking open eggshells, while the second operating region has longitudinal guides positioned at larger angles optimized for gentle shelling. This allows each region to be locally optimized for its specific function without compromising the other.
3Productivity
If the conveying speed is increased to improve productivity, then the processing efficiency is improved, but the coordination between breaking and shelling operations becomes more difficult
Solution Approach 1:
By segmenting the apparatus into two independent operating regions with separate longitudinal guide systems, each region can be optimized for its specific function. The first region focuses on shell breaking while the second region focuses on shell removal, allowing both operations to proceed at optimal speeds without complex coordination requirements between breaking and shelling phases.
Data Source
AI summary
An apparatus for shelling boiled eggs is described. The apparatus includes a plurality of spaced-apart shelling rollers which are axially parallel to one another, are arranged in a circulating belt guided over end deflecting rollers in a conveying direction, and are driven in the same rotational direction. A plurality of longitudinal guides are arranged above a top strand of the circulating belt. Pairs of the longitudinal guides form a roof-like channel extending in the conveying direction and are moveable transversely to the conveying direction. A region of the top strand a first operating region breaking open eggshells, and a second operating region for shelling the boiled eggs.