Tool Blade Sharpening Apparatus with Adjustable Angle Plate
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Solution Overview
Problem
Existing sharpening devices for woodworking tools require skill to operate and are difficult for amateur woodworkers to use, as they struggle to effectively sharpen both primary and secondary angles of beveled edges without removing excess material, and often require additional components for accommodating various tool widths and types.
Innovation Solution
A tool blade sharpening apparatus with a support mechanism, adjustable angle plate, and sliding carriage that allows for precise setting and sharpening of both primary and secondary angles on a beveled edge, using either abrasive stones or honing films, without the need for additional components, enabling accurate sharpening of blades of various widths and lengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual sharpening is performed without assistance devices, then the user can control the sharpening process, but it requires skill and is difficult for amateur woodworkers to achieve desired results
Solution Approach 1:
The apparatus performs the sharpening operation automatically through its mechanical design. The tool blade is clamped at a predetermined angle on the roller mechanism, and the roller rotates to automatically grind the beveled edge at the correct angle without requiring the user to manually control the angle, thus making it easy to operate while maintaining precision
Solution Approach 2:
The manual mechanical control system is replaced with an automated roller mechanism. Instead of the user manually controlling the blade angle and movement, the system uses a rotating roller that automatically performs the sharpening action at the predetermined angle, substituting manual skill with mechanical automation
2Adaptability or versatility
If prior art sharpening apparatus are used, then sharpening can be assisted, but they are difficult to operate and require additional components for accommodating various tool widths
Solution Approach 1:
The apparatus is designed with a universal roller mechanism and adjustable clamping system that can accommodate various tool widths and types without requiring additional components. The single roller design serves multiple functions: supporting the blade, providing the sharpening action, and adapting to different blade dimensions through its inherent adjustability
3Manufacturing precision
If known sharpening devices are used, then primary angle can be sharpened, but secondary angle sharpening is difficult to achieve
Solution Approach 1:
The apparatus incorporates a dynamic roller mechanism that can be adjusted to different angles and positions. After sharpening the primary angle, the roller can be repositioned and reangled to accommodate the secondary angle sharpening operation, allowing the same device to dynamically adapt to different sharpening requirements without requiring separate fixtures or components
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
The apparatus allows both skilled and unskilled users to easily sharpen tool blades with high accuracy, extending the life of the tool by removing only the necessary material, and accommodating various abrasive surfaces, making it accessible and effective for a range of woodworking tools.
Implementation Method 1
sharpening by removing a certain amount of material from the beveled edge
Data Source
AI summary
A device for sharpening a tool blade has a pair of spaced guide rails and a bracket for mounting a sharpening stone on the guide rails. A carriage is slidably supported on the guide rails and has a pair of spaced slide plates adjustably supporting a blade angle plate thereon. A clamp mechanism secures the tool blade on the angle plate which is secured in an adjusted position for forming a primary angle on the blade cutting edge by reciprocal movement of the carriage along the guide rails. The angle plate and attached tool blade are readjusted on the carriage for subsequently forming a secondary angle on the cutting edge of the tool blade. Printed indicia adjacent a plurality of adjustment holes formed in the slide plates set the primary and secondary angles of the cutting edge. Mating surfaces on the carriage and guide rails set the amount of material to be removed from the blade during reciprocal movement along an abrasive sharpening material.