Self-Locking T-Nut Wedge Mechanism for Secure Rotary Tooling
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Solution Overview
Problem
In machining operations, workpieces may not be properly secured to rotary tooling plates, leading to safety hazards as they can be projected from the plates during machining.
Innovation Solution
A self-locking T-nut system is introduced, featuring a horizontal base with a wedge mechanism that can be locked or released by a spring-loaded bolt, ensuring the T-nut remains securely in place within the T-slot unless actively maneuvered.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional T-nut is used in a T-slot, then the workpiece can be attached to the rotary tooling plate, but the T-nut may become loose or fail to lock properly, creating a safety hazard
Solution Approach 1:
The T-nut incorporates a dynamic wedge mechanism that can transition between locked and unlocked states. The wedge is spring-loaded to automatically engage with the T-slot walls, creating a dynamic locking system that adapts to operational forces rather than relying on static friction alone.
Solution Approach 2:
The spring-loaded wedge applies preliminary locking force to the T-slot walls before any loosening can occur. This preliminary anti-action counteracts the tendency of the T-nut to become loose during machining operations, preventing the harmful effect of workpiece projection before it can happen.
2Reliability
If the T-nut is designed with a locking mechanism, then safety is improved, but the device complexity increases
Solution Approach 1:
The T-nut is segmented into distinct functional components: a body portion that engages the T-slot, a separate wedge mechanism for locking, and a spring-loaded bolt assembly. This segmentation allows each component to perform its specific function efficiently while maintaining overall simplicity.
Solution Approach 2:
The spring-loaded wedge mechanism is self-actuating, using the spring force to automatically engage and lock the T-nut in place without requiring additional actuators, motors, or complex control systems. The design serves itself by utilizing the inherent spring energy to maintain the locking state.
3Ease of operation
If the T-nut allows easy maneuvering within the T-slot, then positioning flexibility is improved, but the locking reliability may be compromised
Solution Approach 1:
The T-nut employs a dynamic locking system where the wedge can be easily moved to the unlocked position for positioning, then automatically locks when engaged. This dynamic behavior provides both ease of maneuvering during positioning and reliable locking during operation.
Solution Approach 2:
The spring-loaded wedge is pre-positioned to engage with the T-slot walls as soon as the T-nut is placed in the desired position. This preliminary locking action occurs automatically without requiring additional steps, providing both ease of positioning and immediate locking reliability.
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 self-locking T-nut effectively prevents workpieces from being projected from the rotary tooling plate, enhancing operator safety and reducing the risk of machinery damage.
Implementation Method 1
The wedge may include a spring loaded bolt extending therethrough such that the horizontal plate and the wedge include a locked position with a first width and a released position with a second width
Implementation Method 2
releasing the spring to force the wedge adjacent to the horizontal base so as to lock the T-nut in place
Implementation Method 3
The T-nut has a horizontal base with a wedge such that the wedge includes a locked position locking the T-nut in place within the T-slot and a released position allowing the T-nut to maneuver within the T-slot
Data Source
Figure 1~2
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Figure 6~7
AI summary
The present application provides a machining system for a workpiece. The machining system includes a rotary tooling plate with a T-slot and a T-nut positioned in the T-slot. The T-nut has a horizontal base with a wedge such that the wedge includes a locked position locking the T-nut in place within the T-slot and a released position allowing the T-nut to maneuver within the T-slot.