Vacuum Robotic Card Sorter for Damage-Free Sorting
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Solution Overview
Problem
Existing robotic sorting systems for playing cards face challenges in minimizing human involvement, reducing sorting time, and improving accuracy while avoiding damage to the cards, as current automated solutions are often designed for paper currency and can cause wear and tear on cards.
Innovation Solution
A robotic sorting system utilizing a bin system with vacuum end effectors and curvature generation devices to gently retrieve and move individual cards, minimizing damage and ensuring accurate sorting, coupled with a control system for efficient movement and identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated solutions with wheels are used to rapidly identify and sort cards, then productivity increases, but card damage increases due to wear and tear
Solution Approach 1:
The patent uses a vacuum end effector that creates a vacuum field to attract and hold cards for sorting. Instead of mechanical contact with wheels, the system uses negative pressure to pick up cards one at a time from stacks and place them in designated bins, eliminating the wear and tear caused by wheel-based mechanical systems while maintaining automated sorting capability
Solution Approach 2:
The invention replaces the mechanical wheel-based card handling system with a vacuum-based pneumatic system. The vacuum end effector substitutes for physical contact mechanisms, using atmospheric pressure differential to manipulate cards without the friction and wear inherent in wheel-based systems
2Object-affected harmful factors
If vacuum force is used to remove cards from bins, then card damage is minimized, but the ability to move multiple cards efficiently is reduced
Solution Approach 1:
The system processes cards individually rather than in bulk groups. The vacuum end effector is designed to hold a single card at a time, allowing precise control over each card's movement and placement. This segmentation enables efficient sorting by handling one card per cycle while minimizing damage through gentle vacuum-based manipulation
3Extent of automation
If robotic means are used for sorting, then human involvement is reduced, but card damage increases due to lack of human care
Solution Approach 1:
The robotic system uses vacuum-based pneumatic manipulation to handle cards gently, mimicking the careful handling that human sorters provide. The vacuum end effector creates a controlled holding force that prevents card damage while enabling fully automated operation without human involvement
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
The system effectively automates the sorting of playing cards with reduced human intervention, increased accuracy, and minimized card damage, enabling faster and more precise organization of card stacks.
Implementation Method 1
The item handling system utilizes a vacuum force to remove an item held in one of the plurality of bins
Data Source
AI summary
A system for robotic sorting includes a bin system comprising a plurality of bins for holding items to be sorted, where each bin is configured to hold more than one of the items. The system further includes an item handling system configured to travel to each of the plurality of bins. The item handling system utilizes a vacuum force to remove an item held in one of the plurality of bins. The item handling system further utilizes one or more curvature generation devices to enable card manipulation. Additionally, the system includes a drive system coupled to the item handling system. The drive system is configured to move and position the item handling system over each of the plurality of bins. The system also includes a control system coupled to the drive system and the item handling system. The control system controls movement of the item handling system and the drive system.