Automated Drawer Dispensing System for High-Density Storage
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Solution Overview
Problem
Existing inventory storage and dispensing systems are complex, inflexible, and inefficient, particularly in handling varied and irregular items, and require labor-intensive manual processes, which leads to delays and security vulnerabilities.
Innovation Solution
A scalable, automated system with vertically-oriented drawer slices that can be combined to form high-density storage matrices, allowing for easy placement and rapid dispensing of varied items through horizontal shifting of drawers using motors and pull wires, enabling non-contact force dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional manual inventory stocking of bins and shelves is used, then items can be stored, but labor is intensive, delays occur, and security breaches are possible
Solution Approach 1:
The storage system is divided into multiple drawers arranged in vertical columns and horizontal rows, with each drawer independently controllable. This segmentation allows individual drawers to be accessed and dispensed without moving other drawers, eliminating delays associated with sequential access in traditional systems.
Solution Approach 2:
The patent replaces manual mechanical stocking with automated image scanning and recognition systems that automatically identify and track items. The dispensing mechanism uses automated drawer movement and item retrieval systems rather than manual intervention, significantly improving productivity while reducing labor-intensive operations.
2Loss of time
If belt or carousel driven dispensers are used, then items can be dispensed in a single-point linear fashion, but significant delay occurs for distantly spaced selections
Solution Approach 1:
The carousel is segmented into multiple independently controllable sections or drawers. When an item needs to be dispensed, only the specific drawer containing that item is moved into position rather than rotating the entire carousel. This segmentation dramatically reduces dispensing time for distantly spaced selections while maintaining ease of operation.
Solution Approach 2:
The system dynamically adjusts which drawers are active and positioned based on dispensing requirements. Drawers can be selectively moved to different positions along the dispensing path, allowing the system to optimize access time for different items without requiring fixed sequential access patterns.
3Extent of automation
If pick-n-place robotic solutions are used, then automated dispensing is achieved, but complex articulated components and multiple steps are required
Solution Approach 1:
The patent extracts the complex articulated robotic components from the dispensing system and replaces them with simpler drawer-based mechanisms. The automation is achieved through automated drawer movement and selection rather than complex robotic manipulation, reducing component complexity while maintaining high automation levels.
Solution Approach 2:
Instead of using a robotic arm to reach into storage and retrieve items (complex approach), the system inverts the approach by bringing the storage containers (drawers) to the dispensing point. This simplifies the mechanism by eliminating the need for complex articulated robotic components while achieving the same automated dispensing function.
4Adaptability or versatility
If flow rack and pallet rack systems are used, then storage is provided, but they exhibit shortcomings in flexibility and efficiency
Solution Approach 1:
The drawer units can be dynamically repositioned along the vertical and horizontal axes, allowing the system to adapt to different dispensing patterns and item locations. This dynamic positioning provides both flexibility for varied item storage and efficiency for rapid access, overcoming the static nature of traditional rack systems.
Solution Approach 2:
The drawer-based system serves multiple functions: storage, organized categorization, selective access, and automated dispensing. Each drawer can accommodate different types of items and can be independently controlled, providing universal applicability for various dispensing scenarios while maintaining high productivity.
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 provides efficient, secure, and flexible storage and dispensing of items, reducing labor and minimizing delays, while ensuring accurate and secure handling of medications and other inventory.
Implementation Method 1
coupling the drawers to motors by pull wires or other suitable means
Implementation Method 2
mounting the drawers on guide rails and coupling the drawers to motors by pull wires
Implementation Method 3
shifting at least one drawer or shelf whereby the item is removed from its drawer by non-contact force
Data Source
AI summary
A method and apparatus for secure, rapid, storage and dispensing of varied items from a random location in a storage matrix. Drawers are organized in a ‘slice’ or vertically-oriented frame that supports horizontal shifting of the drawers to dispense their contents. Slices can be combined to form matrices of automated, high-density, storage volumes and storage can coincide with dispensing.