Tool Clamping Assembly With Synchronized Arms for Angle-Consistent Sharpening
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional tool clamping assemblies in sharpeners require frequent disassembly and use of a hexagonal wrench for angle stability, which is cumbersome and less durable, especially for women, and do not ensure consistent double-sided angles during grinding.
Innovation Solution
A tool clamping assembly with a top pin and clamping arms driven by a torsion spring, allowing for synchronized clamping and release of tools without a hexagonal wrench, ensuring centered clamping on two sides and reducing disassembly time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If single-sided locking is used, then device complexity is reduced, but manufacturing precision of double-sided angle deteriorates
Solution Approach 1:
The patent employs asymmetric clamping arm design where the first and second clamping arms have different structures to accommodate single-sided locking while maintaining double-sided angle precision. The asymmetric design allows one arm to be locked while the other provides reference, resolving the contradiction between simple locking and precise angle control.
Solution Approach 2:
The clamping mechanism uses dynamic adjustment capability where the clamping arms can be positioned and locked at different angles. This dynamic feature allows the system to achieve precise double-sided angles through adjustment and locking, rather than requiring complex pre-engineered fixed structures.
2Manufacturing precision
If double-sided locking is used, then manufacturing precision of double-sided angle is improved, but ease of operation deteriorates
Solution Approach 1:
The patent extracts the locking function to a single side, eliminating the need for hexagonal wrenches on both sides. The single-sided locking mechanism maintains angle stability by locking one clamping arm while the other arm provides the reference edge, removing the operational complexity of double-sided wrench operations.
Solution Approach 2:
The locking function is segmented and assigned to only one clamping arm, while the other arm serves as a reference. This segmentation allows precise angle control without requiring both arms to have complex locking mechanisms, improving ease of operation while maintaining precision.
3Reliability
If hexagonal wrench is used for locking, then reliability of angle stability is improved, but ease of operation deteriorates
Solution Approach 1:
The patent removes the hexagonal wrench requirement from one side of the clamping mechanism, keeping it only where necessary for stability. This extraction reduces the operational burden while maintaining reliability through strategic placement of the wrench-requirement on only one critical locking point.
Solution Approach 2:
The clamping mechanism is designed so that the tool itself provides the locking surface for the hexagonal wrench through its own structure, eliminating the need for separate locking features. The tool's geometry serves the dual purpose of being clamped and providing the wrench engagement surface.
4Manufacturing precision
If frequent disassembly is required for angle stability, then manufacturing precision is improved, but loss of time increases
Solution Approach 1:
The patent incorporates preliminary angle adjustment and locking mechanisms that allow the desired angle to be set and locked in advance. This preliminary action eliminates the need for repeated disassembly and reassembly to achieve angle stability, as the angle is predetermined and secured by the single-sided locking system.
Solution Approach 2:
The dynamic clamping arms can be quickly adjusted to the required angle and locked in position, reducing the time needed for angle verification and adjustment. The ability to dynamically position and lock the arms eliminates iterative disassembly cycles.
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 assembly provides stable, centered clamping without the need for frequent wrench use, simplifying the clamping and disassembly process and ensuring consistent tool angles during grinding.
Implementation Method 1
the rotation axis is provided with a torque member configured to apply torque to the two clamping arms to jointly clamp the top pin at a first end of the first clamping arm and a first end of the second clamping arm, where the torque member is a torsion spring
Data Source
AI summary
A tool clamping assembly and a sharpener are provided. The tool clamping assembly includes an arm body, its first end is connected with a sharpening frame, the arm body is provided with a top pin and a driving member, the driving member drives the top pin to move along an axial direction of the arm body; a clamping arm component, which includes a first clamping arm and a second clamping arm, the two clamping arms are mirror symmetric and are connected by a rotation axis. The rotation axis is connected to a second end of the arm body, and a torque member is provided on the rotation axis. The torque member is used to apply torque to the two clamping arms to jointly clamp the top pin at first ends of the two clamping arms; when the top pin is moved, the two clamping arms can be rotated synchronously.