Spherical Grinder Universal Ball Joint Angle Adjustment
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Solution Overview
Problem
Existing grinders are impractical for grinding and polishing curved or spherical surfaces, leading to reduced process quality and efficiency, and are inconvenient to operate.
Innovation Solution
A spherical grinder with a grinder body comprising a handhold part and a grinding part, featuring grinding units connected via universal balls and through-holes, allowing flexible angle adjustment and easy disc replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional grinder with a fixed grinding disc is used, then the structure is simple and easy to operate, but it cannot effectively grind curved or spherical surfaces, reducing grinding quality and efficiency
Solution Approach 1:
The patent applies the dynamics principle by making the grinding disc movable and adjustable relative to the handhold part. The universal ball joint allows the grinding disc to be positioned at different angles and orientations, enabling it to adapt to curved and spherical surfaces. This dynamic adjustment capability resolves the contradiction by allowing the grinder to effectively grind complex surfaces while maintaining operational efficiency.
Solution Approach 2:
The patent introduces an additional degree of freedom through the universal ball joint mechanism, which allows the grinding disc to rotate and tilt in multiple directions. This dimensional change enables the grinding disc to conform to three-dimensional curved surfaces, transforming the grinder from a tool suitable only for flat surfaces to one capable of handling complex geometries, thereby improving both adaptability and grinding efficiency.
2Ease of operation
If a fixed grinding disc design is used, then the device structure is simple, but disc replacement and angle adjustment are inconvenient
Solution Approach 1:
The patent applies segmentation by dividing the grinder into distinct modular components: the handhold part, the universal ball joint, and the grinding disc assembly. This modular design allows the grinding disc to be easily detached and replaced by simply manipulating the connection mechanism, while the universal ball joint provides independent angle adjustment. This segmentation improves ease of operation without significantly increasing overall device complexity.
Solution Approach 2:
The universal ball joint serves as an intermediary mechanism between the handhold part and the grinding disc. It provides a standardized interface that simplifies both angle adjustment and disc replacement operations. The ball joint's design allows for quick manipulation and secure connection, making the grinder easier to operate while maintaining a relatively simple overall structure.
Data Source
AI summary
The present utility model discloses a spherical grinder, which comprises a grinder body; the grinder body comprises a handhold part and a grinding part, the grinding part is set below the handhold part and provided with at least one grinding unit. The present utility model is subject to a reasonable structure design; the connection to the handhold part is achieved by fitting and connecting universal balls of grinding units to connecting pieces, the operation is flexible and can meet different angle grinding requirements, improving the grinding and polishing efficiency; and the handhold part provided with a gripping part is intended for easy holding, achieving a more friendly grip, making the control of the grinder easier and avoiding hand fatigue.