Automated Warehouse Transfer Unit for Direct Object Retrieval
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Solution Overview
Problem
In automated warehouse equipment using conveyors, the efficiency of loading and unloading storage target objects is low due to the need to unload all objects in a row before unloading a specific object, especially when the loading and unloading orders differ.
Innovation Solution
The automated warehouse equipment is designed with two rows of fixed conveyors, receiving and shipping transfer units, and moving devices that allow for the efficient transfer and storage of storage target objects, enabling the unloading of only the desired object without unloading others.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single row of conveyor is used for storage, then the device complexity is reduced, but the productivity decreases due to the need to unload all objects before accessing a specific object
Solution Approach 1:
The storage conveyor is divided into multiple independent rows (first row and second row), allowing objects to be stored and retrieved independently from different rows. This segmentation enables parallel operations and eliminates the need to unload objects from one row to access objects in another row, directly improving productivity without significantly increasing overall system complexity
Solution Approach 2:
The system transitions from a single-row linear storage configuration to a multi-row two-dimensional storage layout. By adding the row dimension, the system allows access to objects from multiple lateral positions simultaneously, enabling direct retrieval of specific objects without sequential unloading of preceding objects, thus resolving the productivity-complexity contradiction
2Adaptability or versatility
If the loading order is different from the unloading order (LIFO/FILO), then storage flexibility is improved, but the loss of time increases due to unnecessary unloading operations
Solution Approach 1:
By dividing the storage system into multiple independent rows, the patent enables different loading and unloading orders for different rows. Objects can be loaded into and unloaded from specific rows based on their destination or priority, allowing flexible order management without requiring sequential unloading of entire conveyor rows, thus reducing time loss while maintaining adaptability
Solution Approach 2:
The multiple rows act as intermediaries between loading and unloading operations. Instead of directly accessing objects in a single sequential row, the system uses multiple rows as intermediate storage zones, allowing objects to be routed to appropriate rows during loading and retrieved directly from those rows during unloading, eliminating unnecessary handling time while preserving order flexibility
Data Source
AI summary
An automated warehouse unit includes two rows of fixed conveyors conveying the storage target object in a first direction, a receiving-side transfer unit provided on one end portion side of the two rows and extending in a second direction, and a shipping-side transfer unit provided on the other end portion side of the two rows and extending in the second direction. Each transfer unit includes a moving device configured to reciprocally move a moving body in the second direction between a position facing one fixed conveyor in the fixed conveyors and a position facing the other fixed conveyor in the fixed conveyors, and a transportation conveyor supported by the moving body and configured to transfer the storage target object to the two rows in the first direction.


