Gemstone Centering Device Independent Axis Arms
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Solution Overview
Problem
There is a need for a simple and effective method to center gemstones on a platform for accurate optical identification and imaging, as existing methods are cumbersome and lack precision.
Innovation Solution
A gemstone centering device with a platform and two pairs of movable arms, each pair operating independently along different axes, allows for precise centering of gemstones on a glass platform using actuators to adjust the arms' positions and contact surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple centering method is used, then the device complexity is reduced, but the manufacturing precision is insufficient
Solution Approach 1:
The centering device is divided into two independent pairs of arms (first pair along first axis, second pair along second axis), each pair responsible for centering along a specific axis. This segmentation allows each arm pair to be simple in structure while collectively achieving high precision centering through coordinated independent movements.
Solution Approach 2:
The invention transitions from single-axis centering to two-axis centering by introducing a second pair of arms operating perpendicular to the first pair. This dimensional expansion enables precise positioning in both horizontal and vertical directions on the platform, achieving high manufacturing precision without excessive complexity in each individual arm mechanism.
2Ease of operation
If manual centering is used, then the ease of operation is improved, but the measurement precision is insufficient
Solution Approach 1:
The arms are designed to be movable along their respective axes rather than fixed, allowing dynamic adjustment to accommodate gemstones of various sizes and shapes. The arms can extend and retract independently, providing ease of operation for different gemstone configurations while maintaining precise positioning capability through controlled movement along defined paths.
Solution Approach 2:
The arm structures serve as intermediaries between the operator's manual control and the gemstone positioning. The arms translate operator input into precise positional adjustments, mediating between simple manual operation and high measurement precision by providing mechanical advantage and controlled movement along precision-guided paths.
3Device complexity
If fixed arms are used, then the device complexity is reduced, but the adaptability is insufficient
Solution Approach 1:
Both pairs of arms are designed with movable capabilities along their respective axes, allowing the device to adapt to gemstones of different sizes and shapes. The arms can extend to accommodate larger gemstones and retract for smaller ones, providing versatility without requiring complex adjustable mechanisms in each arm individually.
Solution Approach 2:
The two pairs of arms work together to handle various gemstone configurations - the first pair handles positioning along the first axis while the second pair handles the second axis. This universal design allows the same arm structure to accommodate different gemstone sizes, shapes, and orientations by coordinating the movement of both arm pairs.
Data Source
AI summary
A gemstone centering device includes a platform for receiving the gemstone and two pairs of arms. The pair of first arms arranged opposite one another above the platform and movable along a first axis. The pair of first arms move between a retracted position and an extended position in which a distance between first gem contacting surfaces of the pair of first arms is less than in the retracted position. The pair of second arms are arranged opposite one another above the platform and movable along a second axis. The pair of second arms move between a retracted position and an extended position in which a distance between second gem contacting surfaces of the pair of second arms is less than in the retracted position. Movement of the pair of first arms is independent from movement of the pair of second arms.