Warehouse Handling Robot With Reference-Line Item Retrieval
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Solution Overview
Problem
Existing handling robots in intelligent warehousing systems have limited capacity to load inventory items and are inefficient in their operation, as they can only handle a small number of items due to space constraints and operational limitations.
Innovation Solution
A handling robot equipped with a storage frame, a telescopic arm, and a manipulator that extends along a preset horizontal reference line to load and unload inventory items, utilizing a lifting assembly to adjust vertical positioning and a detection device to optimize the posture of item retrieval, allowing for the efficient loading of multiple items by minimizing vertical space occupation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing handling robots are used with traditional shelving structures, then the robot structure is simple, but the quantity of inventory items that can be loaded is too few and efficiency is low
Solution Approach 1:
The patent transitions from traditional horizontal shelving to a vertical suspension shelf structure. The shelf is suspended vertically from the robot's arm, allowing inventory items to be arranged in the vertical dimension rather than only horizontally. This dimensional change enables the robot to load significantly more items within the same workspace volume, directly resolving the contradiction between loading efficiency and quantity of items loaded.
2Quantity of substance
If more inventory items are loaded onto the robot, then the quantity of items increases, but the vertical space occupation increases reducing efficiency
Solution Approach 1:
The invention utilizes the vertical dimension for shelf arrangement, allowing items to be stacked vertically on suspension shelves rather than requiring horizontal space. The robot arm extends vertically to access items at different heights, transforming the space utilization from horizontal plane to vertical space, thereby increasing loading capacity without proportionally increasing vertical space occupation.
Solution Approach 2:
The suspension shelf structure allows nested arrangement where multiple shelves are vertically stacked and suspended from the robot arm. Inventory items are nested on these shelves in a compact vertical configuration, enabling high-density storage that maximizes quantity loaded while minimizing the effective vertical space footprint during operation.
3Manufacturing precision
If the manipulator extends to preset position along reference line, then positioning precision improves, but the operation time increases
Solution Approach 1:
The system pre-establishes a reference line and preset positions for the manipulator before operation begins. During actual item retrieval, the manipulator simply needs to extend along the predetermined reference line to the preset position, eliminating the need for complex real-time positioning calculations. This preliminary setup significantly reduces operation time while maintaining high positioning precision.
Solution Approach 2:
The system uses detection devices to monitor the manipulator's position relative to the reference line and provides feedback for real-time adjustment. This closed-loop control ensures the manipulator accurately reaches preset positions while optimizing the extension speed, thereby achieving both high positioning precision and reduced operation time.
Data Source
AI summary
A method for retrieving an inventory item based on a handling robot, where the handling robot includes: a storage frame; and a material handling device installed on the storage frame, and including a telescopic arm and a manipulator installed to the telescopic arm; and the method for retrieving an inventory item includes: driving, by the telescopic arm, the manipulator to extend to a preset position of warehouse shelf along a preset horizontal reference line; loading, by the manipulator that is remained on the reference line, the inventory item located in the preset position; driving, by the telescopic arm, the manipulator loaded with the inventory item to move to the storage frame along the reference line; and unloading, by the manipulator that is remained on the reference line, the inventory item to the storage frame.