Rotating Drum Capping Device for Microplate Tube Handling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing microplate systems face challenges in efficiently capping and decapping multiple tubes, particularly in standardized microplates with 96, 384, or 1536 wells, due to the small size of the tubes and the difficulty in automated handling.
Innovation Solution
A capping and decapping device comprising a drum member with a cap stamp and a frame structure, which allows for rotational movement of the drum member to efficiently cap and decap tubes by moving the microplate along predefined paths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standard handling robots are used for capping and decapping tubes in microplates, then the tubes can be processed, but the operation becomes cumbersome and inefficient
Solution Approach 1:
The device segments the capping and decapping operations into distinct functional zones within a single integrated unit. The drum member is divided into multiple sectors, each equipped with capping tools configured for specific tube types and positions in the microplate, allowing specialized handling for different tube configurations
Solution Approach 2:
The capping and decapping device is designed as a multi-functional unit that can handle multiple tube types (e.g., 0.2 mL, 0.5 mL, 1.5 mL microcentrifuge tubes) and perform both capping and decapping operations within a single device, eliminating the need for separate standard handling robots for different operations
2Productivity
If manual capping and decapping methods are used, then the process can be completed, but the handling efficiency is reduced and automation cannot be achieved
Solution Approach 1:
The device incorporates self-positioning mechanisms where the drum member automatically orients itself relative to the microplate based on the position of guide pins in guide holes. This self-alignment feature enables automated operation without requiring complex external positioning systems or manual intervention for each tube
Solution Approach 2:
The drum member acts as an intermediary component that bridges the microplate and the capping/decapping tools. It carries multiple capping tools in its sectors and positions them precisely over the tubes through rotational movement, enabling automated transfer of caps without direct manual handling
3Adaptability or versatility
If a drum member with multiple sectors is used, then multiple tube types can be handled, but the device complexity increases
Solution Approach 1:
The drum member is designed with asymmetric sectors of different sizes and configurations, each tailored to specific tube types and positions. This asymmetric design allows the single drum member to accommodate multiple tube formats (e.g., different well depths, tube diameters) without requiring multiple identical drums, simplifying the overall system while maintaining versatility
Data Source
AI summary
A capping and decapping device for reversibly removing and mounting a cap to and from a tube received in a tube seat of a microplate includes a drum member having a cap stamp, and a frame supporting the drum member such that the drum member is rotatable relative to the frame. The device is configured to rotate the drum member in a first rotational direction when the microplate is moved relative to the frame in a first path direction, and to rotate the drum member in a second rotational direction when the microplate is moved relative to the frame in a second path direction. The cap stamp is configured to remove the cap from the tube when the microplate is moved in the first path direction and is configured to connect the cap to the tube when the microplate is moved in the second path direction.