Die Arrangement With Spring-Mounted Plunger for Sample Extraction
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Solution Overview
Problem
The existing die arrangements for preparing samples for spectroscopic analysis require manual intervention and the use of separate extraction tools, which are cumbersome, time-consuming, and can lead to delays and sample damage during the extraction process.
Innovation Solution
A die arrangement with a spring-mounted plunger and a displaceable anvil, where the die body is configured to receive the plunger and anvil, allowing for relative movement and enabling the extraction of the sample without the need for external tools, by utilizing a built-in mechanism that applies compressive force to dislodge the sample from the die cavity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a removable closure is used to make the die body openable for sample extraction, then the sample can be extracted from the cavity, but the device complexity increases due to multiple parts and the extraction process becomes time-consuming
Solution Approach 1:
The die body is divided into a stationary part and a movable anvil part that can disengage from each other. The cavity is formed between these two parts, and by moving the anvil relative to the stationary part, the cavity opens to allow sample extraction without requiring complex removable closures or multiple components.
Solution Approach 2:
The anvil is made displaceable relative to the stationary die body part, transforming the static die structure into a dynamic one. This relative movement capability allows the cavity to open and close, enabling easy sample extraction while maintaining a simple overall device structure with only two main components.
2Reliability
If a separate extraction cup tool is used to prevent sample damage during extraction, then the sample is protected from damage, but the ease of operation decreases due to manual intervention and additional tools
Solution Approach 1:
The die assembly performs its own sample extraction function through the relative movement of the anvil and stationary part. The cavity opens by moving the anvil away from the stationary part, creating space for the compressed sample to be ejected or accessed, eliminating the need for external extraction tools and manual intervention while protecting sample integrity.
3Strength
If the die body is made as a single integral body, then the structural strength is sufficient to withstand pressing forces, but the ease of operation for sample extraction deteriorates as the sample becomes difficult to remove
Solution Approach 1:
The die body is segmented into two parts: a stationary part that provides structural strength and a movable anvil that enables extraction. This segmentation allows the strong stationary part to withstand pressing forces while the movable anvil facilitates easy sample removal through relative movement.
Solution Approach 2:
By making the anvil displaceable relative to the stationary die body part, the system transitions from a static integral structure to a dynamic segmented structure. This allows the die to maintain strength during pressing while enabling easy sample extraction through controlled movement of the anvil.
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 eliminates the need for manual intervention and separate extraction tools, facilitating efficient and damage-free extraction of samples by integrating the necessary mechanisms within the die assembly, thereby improving the sample preparation process.
Implementation Method 1
The plunger is spring mounted at said second end of the die body by a first spring which is compressible during relative displacement between the plunger and the die body
Data Source
Figure 1A~1C
Figure 2A~2C
Figure 3A~3C
AI summary
A die arrangement for pressing, sintering or stamping comprising: a die body with a cavity extending from an opening at a first end of said die body to an opening at a second end of said die body, and one or more moving parts arranged around the opening at said first end of said die body, wherein each moving part is displaceable between a first position and a second position. The die body may be configurable to receive a die plunger at said second end of said die body, said plunger being displaceable within the cavity. The die arrangement may further comprise an outer sleeve mounted on the die body, the outer sleeve being coaxial with the die body and having a first outer sleeve portion nearest to the first end of said die body, and one of: a second outer sleeve portion nearest to the second end of said die body; a second outer sleeve portion fixedly attached to the plunger base nearest to the second end of said die body; or, a second outer sleeve portion extending directly from the plunger base nearest to the second end of said die body, the second outer sleeve portion and the plunger base being a single unitary component.