Laser Alignment for Robotic Transfer Mechanisms

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current automated microbial detection systems face challenges in maintaining precise alignment of robotic transfer mechanisms for accurate loading, transfer, and unloading of specimen containers, leading to potential errors and inefficiencies in microbial detection processes.

Innovation Solution

The implementation of a laser alignment device adjustable relative to the robotic transfer mechanism, combined with fiducials and belt tensioning devices, ensures precise alignment and tensioning of the robotic transfer mechanism, allowing for accurate positioning and secure handling of specimen containers within the detection system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a robotic transfer mechanism is used for automated specimen container handling, then productivity and automation extent are improved, but alignment precision and reliability deteriorate due to potential misalignment errors

Engineering Contradiction:
Improveautomated specimen container handling efficiencyVSAvoidalignment precision of robotic transfer mechanism
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent replaces manual alignment procedures with an automated laser alignment system that uses optical lasers to establish precise alignment of the robotic transfer mechanism. The laser alignment device projects reference beams that are detected by sensors on the robotic mechanism, automatically establishing correct positioning without manual intervention.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The robotic transfer mechanism incorporates self-alignment capabilities through integrated sensors and feedback systems. The mechanism can automatically detect and correct its own alignment status using the laser reference system, performing self-calibration to maintain precision without external intervention.

Inventive Principle:
Principle #25Self-service

2Manufacturing precision

If alignment adjustment mechanisms are added to the robotic transfer mechanism, then alignment precision is improved, but device complexity increases

Engineering Contradiction:
Improvealignment precisionVSAvoidcomplexity of alignment adjustment mechanism
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent introduces a laser alignment device as an intermediary tool that mediates between the robotic transfer mechanism and the alignment requirements. Rather than making the robotic mechanism itself complex, the laser device serves as a separate alignment reference system that guides the robotic mechanism's positioning.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The alignment system is segmented into separate functional components: the laser alignment device, the fiducial markers, the sensors, and the robotic transfer mechanism. This segmentation allows each component to be optimized independently and simplifies the overall system by distributing alignment functions across multiple specialized elements rather than one complex mechanism.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution enhances the reliability and accuracy of the robotic transfer mechanism, reducing errors and improving the efficiency of specimen handling within automated microbial detection systems, thereby facilitating faster and more precise microbial detection.

Implementation Method 1

a laser alignment device attached to the robotic head, the laser alignment device operable to provide precise locational coordinates

Methodology Applied
Scientific EffectLaser: Laser

Data Source

PatentEP3336553B1System for establishing and/or maintaining proper alignment of a robotic transfer mechanism
Publication Date: 2020.05.06 BIOMERIEUX INC
  • EP3336553B1 patent drawingFigure 1
  • EP3336553B1 patent drawingFigure 2
  • EP3336553B1 patent drawingFigure 3A~3B

AI summary

The present invention is directed to a system and method for establishing and/or maintaining proper alignment of a transfer mechanism. More specifically, the present invention is directed to a belt tensioning device for maintaining proper tension on a transfer mechanism timing belt, and an alignment system comprising the same.