Jewelry Beading Tool With Segmented Head For Regrinding
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Solution Overview
Problem
Existing beading tools for working retaining arms of jewelry pieces are difficult to handle, have limited service life, and require additional material removal steps, leading to increased costs and material waste.
Innovation Solution
A beading tool with a cylindrical shank and a head featuring a cylindrical portion and a transition portion, allowing for reground tips without changing the diameter, enhancing handling and service life, and enabling simultaneous shaping and polishing of retaining arms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conical tip is used in previous beading tools, then the tool can be simple in structure, but the tip cannot be reground without changing its diameter, limiting service life
Solution Approach 1:
The head is divided into two distinct portions: a cylindrical portion with the indentation and a transition portion. This segmentation allows the cylindrical portion to be reground multiple times while maintaining its diameter, thereby extending the service life of the beading tool without complicating the overall structure.
2Ease of manufacture
If a conical tip is used, then the structure remains simple, but the tip diameter changes upon regrinding, preventing precise working of prongs
Solution Approach 1:
By segmenting the head into a cylindrical portion and a transition portion, the invention enables the cylindrical portion to be reground while maintaining its original diameter. This ensures that the precision required for working prongs is preserved even after multiple regrounding operations, while keeping the structure simple.
3Device complexity
If a conical tip is used, then the structure is simple, but the tip restricts the view of the workpiece and reduces handling capability
Solution Approach 1:
The segmentation of the head into a cylindrical portion with indentation and a transition portion creates a narrower profile at the working end. This improves the view of the workpiece and enhances handling capability while maintaining overall structural simplicity.
4Ease of operation
If material-removing finishing with a hollow drill is used, then prongs can be finished after bending, but additional material is removed, increasing costs
Solution Approach 1:
The invention replaces the material-removing hollow drill with a beading tool that shapes and finishes prongs through plastic deformation. This substitution eliminates material waste associated with drilling while maintaining the ability to finish prongs after bending.
Data Source
AI summary
A beading tool for working retaining arms of pieces of jewelry comprises a cylindrical shank and a head. In this case, the head comprises a cylindrical portion and a transition portion. The shank and the head are arranged along a shared central axis. In this case, the external diameter of the shank is greater than the external diameter of the cylindrical portion. Furthermore, the cylindrical portion is arranged on a first end of the beading tool, wherein the transition portion is arranged between the cylindrical portion and the shank. The head comprises an indentation on its front face on the first end.