Pneumatic Snap Ring Insertion Apparatus with Pivoting Fingers
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The installation of snap rings is slow, labor-intensive, and prone to failures due to manual installation methods, which hampers efficiency and consistency.
Innovation Solution
A snap ring insertion apparatus utilizing a pneumatic cylinder assembly to expand the snap ring radially through a pivoting mechanism, allowing for automated installation into a structural member's groove, featuring an expander pin and pivotable fingers that engage and expand the snap ring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual installation methods are used, then ease of operation is maintained, but productivity is low and reliability is poor
Solution Approach 1:
The patent employs a pneumatic cylinder assembly to provide automated linear movement for the expander pin and fingers, replacing manual installation operations. The pneumatic system drives the rod linearly, which in turn actuates the pivoting fingers to expand and install the snap ring automatically, significantly improving productivity while maintaining controlled complexity through standardized pneumatic components
Solution Approach 2:
The patent utilizes a dynamic pivoting mechanism where fingers are pivotably coupled to the rod through finger support members. As the rod moves linearly, the fingers dynamically pivot to follow the contour of the snap ring, automatically adapting to the installation geometry without requiring complex programming or adjustment mechanisms
2Reliability
If manual installation methods are used, then device complexity is low, but reliability is poor due to prone to failures
Solution Approach 1:
The pneumatic cylinder assembly is pre-configured to provide controlled linear movement, and the fingers are pre-positioned to engage the snap ring. The system performs preliminary positioning and expansion actions automatically, ensuring consistent installation without manual variability. The expander pin and fingers are designed to automatically follow the snap ring geometry, eliminating the need for operator judgment and improving reliability
Solution Approach 2:
The pivoting fingers automatically adapt to the snap ring shape and installation requirements through their mechanical pivot design. The system self-adjusts to accommodate variations in snap ring positioning and geometry without requiring manual intervention or complex control systems, improving installation consistency while maintaining reasonable device complexity
3Productivity
If automated pneumatic system is used, then productivity is improved, but use of energy increases
Solution Approach 1:
The pneumatic cylinder assembly operates in periodic cycles, providing compressed gas only during the actual installation stroke when linear movement is required. The system alternates between active pneumatic operation and passive return phases, reducing overall compressed gas consumption while maintaining high installation efficiency. This periodic operation allows the system to accumulate productivity benefits without continuous energy input
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
Enables efficient, automated, and consistent snap ring installation without manual intervention, accommodating various sizes and depths, thereby reducing labor and increasing precision.
Implementation Method 1
a pneumatic cylinder assembly configured to receive compressed gas and transfer a power of an expansion of the compressed gas to linear movement of a rod
Data Source
AI summary
A snap ring insertion apparatus is provided and configured to install a snap ring on a structural member. The snap ring insertion apparatus includes a pneumatic cylinder assembly configured to receive compressed gas and transfer a power of an expansion of the compressed gas to linear movement of a rod. An insertion assembly is coupled to the rod. The insertion assembly has an expander pin and a plurality of fingers pivotably coupled to a finger support member. The finger support member is coupled to the rod in a manner such that linear movement of the rod provides linear movement of the expander pin and pivoting movement of the fingers. Pivoting movement of the fingers results in engagement of the fingers with a snap ring and further pivoting of the fingers results in an expansion of the snap ring in a radial direction.