Saggar Holding With Adjustable Claws to Suppress Wobbling
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Solution Overview
Problem
Existing methods for holding saggars using robot hands result in wobbling due to immovable claws with a fixed distance, leading to instability during handling.
Innovation Solution
A method involving a pair of holding members that are movable in the left-right direction, combined with positioning in the up-down direction, using claws to secure the saggar and prevent wobbling by pressing it against a predetermined position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the pair of claws is made immovable relative to the holding members with a constant distance, then the structure is simple and easy to manufacture, but the saggar wobbles between the claws while being held, reducing handling stability
Solution Approach 1:
The patent applies the dynamics principle by making the distance between the pair of claws adjustable rather than fixed. The claws can move relative to each other along the holding members to adapt to different saggar sizes and shapes, thereby eliminating wobbling while maintaining ease of manufacture through a simple adjustment mechanism.
2Reliability
If the pair of holding members is configured to be movable in the left-right direction, then the saggar can be securely held without falling off, but the system becomes more complex
Solution Approach 1:
The patent applies the universality principle by designing the holding members to serve multiple functions: they provide both the holding force to secure the saggar and the positioning function to maintain it at a predetermined position. This multi-functionality reduces the need for additional components, thereby maintaining reliability while minimizing device complexity.
3Stability of the object's composition
If positioning in the up-down direction is added to the holding mechanism, then the saggar wobbling is suppressed, but the device complexity increases
Solution Approach 1:
The patent applies the merging principle by combining the positioning function with the existing holding mechanism. The same holding members that secure the saggar in the left-right direction are also used to position it in the up-down direction by adjusting the claw positions. This integration eliminates the need for separate positioning devices, thereby suppressing wobbling while minimizing additional complexity.
Data Source
AI summary
A method for holding a saggar conveyed out from a heat treatment furnace is disclosed. The method may include: holding the saggar by a pair of holding members configured to be movable in a left-right direction; and positioning the saggar held by the pair of holding members in an up-down direction at a predetermined position by moving the saggar in the up-down direction perpendicular to the left-right direction relative to the pair of holding members.