Sample Rack Transport Mechanism with Integrated Stopping and Pushing Member
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Solution Overview
Problem
Existing transport apparatuses for sample containers are structurally complex and inefficient, requiring multiple units and mechanisms to move racks between transport units, which complicates the system and increases the risk of errors and operational issues.
Innovation Solution
A simplified transport apparatus design featuring a first transport unit, a rack sender unit, a second transport unit, and a movable member with a stopping and pushing mechanism that directly transfers racks from the first transport unit to the second transport unit, reducing the need for intermediate units and simplifying the structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple transport units and intermediate mechanisms are used to move racks, then the transport function is achieved, but the device complexity increases
Solution Approach 1:
The patent combines the rack sender unit and rack receiver unit into a single integrated movable member that performs both stopping and pushing functions. This merging eliminates the need for separate intermediate transfer mechanisms and reduces the number of independent components, thereby decreasing device complexity while maintaining transport efficiency
Solution Approach 2:
The movable member is designed with multi-functionality, serving as both a stopping mechanism (first portion) and a pushing mechanism (second portion). This universal design allows a single component to perform multiple functions that would traditionally require separate mechanisms, reducing overall system complexity
2Productivity
If multiple transport units and intermediate mechanisms are used to move racks, then the transport function is achieved, but the risk of operational errors increases
Solution Approach 1:
By integrating the stopping and pushing functions into a single movable member, the patent reduces the number of interaction points between different mechanisms. This integration minimizes the opportunities for operational errors to occur at intermediate transfer points, thereby improving reliability while maintaining productivity
3Device complexity
If a simplified transfer mechanism is used, then the device complexity is reduced, but the control precision over rack positioning may be compromised
Solution Approach 1:
The movable member is segmented into two distinct functional portions: a first portion for stopping the rack and a second portion for pushing it. This segmentation allows each portion to be optimized for its specific function, ensuring precise control over rack positioning while maintaining the simplicity of the overall structure
Solution Approach 2:
Different portions of the movable member have different local qualities tailored to their specific functions. The first portion is designed with characteristics suitable for precise stopping, while the second portion has characteristics suitable for controlled pushing. This local optimization ensures positioning accuracy without increasing overall device complexity
Data Source
AI summary
A transport apparatus transports sample holder racks. The apparatus employs a first transport unit that moves the rack in a path between two ends of the transport apparatus, a rack sender unit that extends in a first direction that intersects the path, a second transport unit dimensioned parallel to the first transport unit and with the rack sender unit interposed therebetween, which locates the sample container held in the rack at a sample loading position of a measurement device, and a first movable member capable of moving in the first direction between the first and the second transport units. The apparatus has movable portions that alternately stop the rack movement, and push the rack such that optimal movement is achieved whereby the rack moves beyond the rack sender unit to the second transport unit as the first movable member moves in the first direction.