Multifunctional Nail Polishing Head for Rough and Finish Grinding
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Solution Overview
Problem
Existing nail polishing heads are inadequate for achieving better shaping effects and convenience, as they require repeated replacement for different grinding situations, making it inconvenient to remove nail ornaments with varying hardness.
Innovation Solution
A multifunctional nail polishing head with a grinding head featuring first and second helical grooves, and sets of large and small tooth segments with varying arrangement densities, allowing for simultaneous rough and finish grinding without replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single grinding head with uniform tooth arrangement is used, then the structure is simple, but it cannot perform both rough and finish grinding simultaneously, requiring repeated replacement of grinding heads
Solution Approach 1:
The grinding head is segmented into multiple tooth segments with different arrangement densities. Each segment contains racks arranged at different densities, creating distinct grinding zones that can perform both rough and finish grinding functions simultaneously on the same grinding head.
Solution Approach 2:
Different regions of the grinding head are given different local qualities through varying rack arrangement densities. Sparse regions provide aggressive rough grinding capability while dense regions provide precise finish grinding capability, allowing the same tool to handle multiple grinding stages.
2Ease of operation
If multiple grinding heads with different pitches are used for different grinding situations, then the grinding precision can be optimized for each stage, but the operation convenience deteriorates due to repeated replacement requirements
Solution Approach 1:
Multiple grinding functions that previously required separate grinding heads are merged into a single grinding head. The different tooth segments with varying arrangement densities are combined on one head, eliminating the need to switch between multiple heads for different grinding stages.
Solution Approach 2:
The grinding head is designed with universal functionality to perform both rough grinding and finish grinding tasks. By incorporating multiple tooth segments with different densities, a single head becomes a multi-functional tool that can handle various grinding requirements without replacement.
3Manufacturing precision
If the rack arrangement density is increased for better finish grinding, then the finish machining quality improves, but the rough grinding capability decreases
Solution Approach 1:
The solution moves from a one-dimensional approach (single tooth arrangement density) to a multi-dimensional approach by distributing different density arrangements across multiple segments around the grinding head circumference. This allows simultaneous access to both rough and finish grinding capabilities.
Solution Approach 2:
The tooth segments are divided into multiple groups with different arrangement densities. Each segment can be selectively engaged with the workpiece, allowing the operator to access either rough grinding or finish grinding functions depending on the current processing stage.
Data Source
AI summary
A multifunctional nail polishing head includes a grinding head and a grinding handle, a plurality of first helical grooves are defined on a circumferential wall of the grinding head at intervals, the grinding head is provided with a rack between every two adjacent ones of the plurality of first helical grooves, in a radial section of the grinding head, a plurality of sets of large tooth segment are formed along a circumferential direction of the grinding head, each set of the plurality of sets of large tooth segment consists of a plurality of racks, an arrangement density of the plurality of racks in one set of the plurality of sets of large tooth segment is from sparse to dense, or from dense to sparse, or alternates dense and sparse along the circumferential direction of the grinding head.