Storage Container Placement Base With Load-Absorbing Buffer Pins
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Solution Overview
Problem
Conventional placement bases for storage containers experience wear and particle generation due to increased load, which is problematic for high cleanliness applications like semiconductor wafers.
Innovation Solution
A placement base with positioning pins and buffer bodies that absorb the load by coming into contact with the container's bottom surface before the pins, reducing wear and particle generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If positioning members are used to precisely place storage containers, then positioning precision is improved, but wear occurs between the positioning member and container resulting in particle generation
Solution Approach 1:
A buffer body is introduced as an intermediary element between the positioning member and the storage container. The buffer body contacts the container bottom surface first and absorbs the load through elastic deformation, preventing direct contact and wear between the positioning member and container, thereby suppressing particle generation while maintaining positioning precision
Solution Approach 2:
The buffer body is positioned to contact the storage container bottom surface before the positioning member does. This beforehand cushioning absorbs the impact and load of placement through elastic deformation, preventing wear and particle generation at the positioning interface while ensuring accurate positioning
2Quantity of substance
If the load of storage container is increased, then storage capacity is improved, but wear between positioning member and container occurs in short period
Solution Approach 1:
The buffer body serves as a mediator that bears the increased load from high-capacity storage containers. Through elastic deformation, it absorbs the additional force, protecting the positioning member from wear and extending its service life while maintaining positioning accuracy
Solution Approach 2:
The buffer body's elastic properties allow it to deform under increased load conditions, changing its physical state to absorb force. This parameter change enables the system to handle heavier containers without compromising positioning member durability
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
The solution effectively suppresses wear and particle generation even under high loads, ensuring cleanliness and precise positioning of storage containers.
Implementation Method 1
buffer bodies having upper ends that are able to be pressed downward and that are configured to be biased upward when the upper ends are pressed down
Data Source
AI summary
Achieved is a placement base that can suppress generation of particles during positioning even if a load of a storage container is increased. The placement base includes positioning pins protruding upward from a top surface of the placement base on which top surface a storage container is to be placed; and buffer bodies, each positioning pin being provided on the top surface of the placement base, to be engaged with each positioning grooves, each buffer body being provided for each positioning pins, the buffer bodies having upper ends that are able to be pressed downward and are configured to be biased upward when the upper ends are pressed down, the buffer bodies being, while the upper ends are not being pressed down, located at a height at which the buffer bodies come contact with, before the positioning pins, with the bottom surface of the storage container to be placed.