Vacuum Crawfish Meat Extraction via Exoskeleton Incision
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Solution Overview
Problem
Current methods for mechanically extracting crawfish tail meat are inefficient and labor-intensive, as existing machinery often damages the meat or requires significant human labor, and there is a lack of suitable mechanized processes for this specific task due to the hard shell of crawfish differing from shrimp.
Innovation Solution
A novel method involving cutting or slicing the underside exoskeleton of the crawfish body and applying a vacuum force to extract the tail meat, using a rotating table with a tray to secure the crawfish upright and a mechanized saw to create an incision, followed by a vacuum nozzle to efficiently remove the edible portions without crushing rollers or air/fluid pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If rolling or squeezing action is applied to extract crawfish tail meat, then mechanical extraction is achieved, but the meat texture is damaged and becomes unpalatable
Solution Approach 1:
The patent extracts the tail meat from the exoskeleton by creating a vacuum environment that pulls the meat out through a controlled opening, rather than using mechanical rolling or squeezing actions that damage the meat texture
Solution Approach 2:
The patent replaces the mechanical rolling/squeezing system with a vacuum-based extraction system, substituting direct mechanical contact with a pressure differential mechanism that preserves meat quality while achieving extraction
2Speed
If air pressure is used to eject tail meat from the tail section, then extraction speed is improved, but the meat texture is damaged and rendered unpalatable
Solution Approach 1:
The patent extracts the tail meat by creating a vacuum that pulls the meat out through a controlled opening in the exoskeleton, achieving fast extraction without the damaging effects of air pressure ejection
Solution Approach 2:
The patent inverts the conventional approach by using vacuum suction instead of air pressure ejection to remove the tail meat, reversing the direction of force application to preserve meat quality while maintaining extraction speed
3Object-affected harmful factors
If manual peeling is used to extract tail meat, then meat quality is maintained, but labor time and costs are excessive
Solution Approach 1:
The patent replaces manual peeling with an automated vacuum extraction system that maintains meat quality by avoiding mechanical contact and crushing, while dramatically reducing processing time through automated operation
Solution Approach 2:
The vacuum extraction system allows the tail meat to be automatically removed through the pressure differential without requiring manual intervention, making the process self-service and highly efficient
4Strength
If crawfish shell is made hard for protection, then structural strength is improved, but mechanical processing becomes difficult
Solution Approach 1:
The patent segments the exoskeleton by creating a controlled opening or incision in the underside, allowing access to the tail meat without requiring to break the entire hard shell structure
Solution Approach 2:
The patent extracts the tail meat through a small opening in the exoskeleton using vacuum pressure, avoiding the need to break or process the entire hard shell structure
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method significantly reduces labor costs and improves efficiency in extracting crawfish tail meat, maintaining the meat's texture and quality by using a vacuum to extract the meat through a controlled incision, enhancing processing rates and reducing manual peeling time.
Implementation Method 1
applying a vacuum force from below to extract tail meat and other edible portions through the incision
Data Source
AI summary
A novel method for automated extraction of crawfish tail meat comprises placing cooked crawfish on a tray having a bottom slot, applying a downward pressure to the cooked crawfish, extending a rotating brush through the bottom slot to urge the cooked crawfish into a horizontally exposed position, extending a rotating blade through the bottom slot to an incision, then applying a vacuum force to the bottom slot simultaneous to an increase in the downward pressure, causing the cooked crawfish to bulge and the tail meat to be extracted through the slot, after which the carcass is ejected. A plurality of trays can either be rotated in a circular path or conveyed along a linear path above the various tools as cooked crawfish are loaded and carcasses are ejected.