Carousel Tube Rack Storage With Stationary Top Tube Picker
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing storage devices for tube racks on carousels have complex designs due to multiple displacement mechanisms required for accessing and moving tube racks and tubes.
Innovation Solution
A simplified storage device design that integrates a carousel with vertically arranged nests and a tube picker, allowing for simplified access and movement of tube racks and tubes using a single carousel rotation mechanism, eliminating the need for additional displacement mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated tube storage and retrieval systems are implemented, then productivity and accuracy are improved, but device complexity and initial cost increase
Solution Approach 1:
The storage system is divided into multiple independent tube racks arranged in a circular pattern, each rack capable of holding multiple tubes. The carousel mechanism is segmented into discrete positions that can be independently controlled. This segmentation allows the system to handle different tube quantities and sizes by activating only the necessary racks, improving productivity without requiring a completely complex system redesign.
Solution Approach 2:
The carousel mechanism serves multiple functions: it stores tubes, transports them to the picking position, and can be controlled to stop at specific positions. The robotic arm also performs multiple operations including picking tubes, placing them in holders, and returning them to the carousel. This multi-functionality reduces the need for separate dedicated mechanisms, thereby managing device complexity while maintaining high productivity.
2Productivity
If manual tube handling is used, then device complexity is reduced, but productivity decreases and accuracy errors increase
Solution Approach 1:
The system is designed to be self-sufficient in tube management. The carousel automatically rotates to present the required tube at the picking position, and the robotic arm autonomously performs the picking and placing operations without human intervention. The microprocessor controls the entire sequence, ensuring consistent speed and accuracy while eliminating operator fatigue and errors associated with manual handling.
3Adaptability or versatility
If tube racks are fixed in position, then device complexity is reduced, but adaptability to different tube quantities and positions decreases
Solution Approach 1:
The tube racks are arranged on a rotating carousel that can dynamically change its orientation and stop at different positions based on the required tube. This dynamic positioning allows the system to adapt to different tube quantities and storage configurations without requiring multiple fixed rack positions. The microprocessor controls the rotation speed and stopping position, providing versatility while managing the complexity through automated control.
4Productivity
If high-speed robotic picking is implemented, then productivity increases, but manufacturing precision requirements increase
Solution Approach 1:
The system incorporates optical sensors and microprocessor control that provide real-time feedback on the tube position, carousel rotation status, and robotic arm movement. This feedback loop allows the system to make precise adjustments during operation, ensuring accurate tube placement even at high speeds. The microprocessor processes sensor data and adjusts the robotic arm's movement parameters to maintain precision while operating at high productivity levels.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The storage device (10) comprises a plurality of storage locations (20) located on a carousel (10). It further comprises a tube picker (42) adapted to access tubes in a tube rack located in a one of several nests (46a, 46b, 46c) by means of a tube gripper (54). The tube picker (42) is arranged at the top of the carousel (10). The nests (46a, 46b, 46c) are rotatable with the carousel (10) while the tube gripper (54) is stationary. The same tube rack handler (30) is provided for moving tube racks between the storage locations (20), the nests (46a, 46b, 46c), and an external system.