Clamping Device Detection Mechanism for Rotational State Adjustment
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Solution Overview
Problem
Existing clamping devices face challenges in accurately detecting the rotational state of a clamp arm, especially when the angle of rotation changes, requiring frequent adjustments and potential removal of detection mechanisms for precise positioning.
Innovation Solution
A clamping device with an adjustment mechanism to regulate piston stroke displacement, a detecting mechanism with a position-setting means, and a detection body that includes a holder and magnetism-based detection element, allowing for easy and accurate detection of clamped and unclamped states without needing to remove the detecting mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the angle of rotation of the clamp arm is changed by adjusting the piston stroke displacement, then the clamping device can adapt to different workpiece requirements, but the detection position of the detecting mechanism becomes inaccurate and requires frequent adjustment or removal
Solution Approach 1:
The patent applies dynamics by making the detection mechanism movable relative to the main body portion. The detection mechanism can be displaced in the axial direction of the piston along with the piston rod, allowing it to dynamically adjust its position based on the piston stroke displacement. This dynamic positioning ensures that the detection mechanism always accurately detects the rotational state of the clamp arm regardless of angle changes, resolving the contradiction between adaptability and measurement precision.
2Measurement precision
If the detection mechanism is removed from the main body portion for adjustment, then the detection position can be repositioned, but the operation becomes complex and time-consuming
Solution Approach 1:
The patent implements self-service by enabling the detection mechanism to automatically follow the piston rod's displacement. As the piston rod moves axially to adjust the clamp arm's rotation angle, the detection mechanism is carried along automatically through its connection to the piston rod. This eliminates the need for manual removal and repositioning operations, making the system self-adjusting and significantly improving ease of operation while maintaining detection accuracy.
3Device complexity
If the detecting mechanism is fixed on the main body portion, then the structure is simple, but it cannot accurately detect rotational state when piston stroke is adjusted
Solution Approach 1:
The patent applies universality by giving the detection mechanism dual functionality: it remains structurally integrated with the main body portion while simultaneously being capable of axial displacement along with the piston rod. The detection mechanism serves both as a fixed structural component and as a movable detection element that tracks piston position changes. This multi-functionality allows the system to maintain simple overall structure while achieving accurate rotational state detection across different adjustment positions.
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
Enables reliable and efficient adjustment of the clamp arm's angle of rotation and precise detection of its rotational state, eliminating the need for frequent adjustments and improving accuracy and ease of operation.
Implementation Method 1
a detection element having magnetism and which is accommodated in the interior of the holder, wherein the magnetism of the detection element is detected by the detecting section
Data Source
AI summary
In a clamping device, a detection mechanism detects a state of clamping/unclamping and includes: a detected body that moves together with a piston and a piston rod; a circuit board disposed to face the detected body and capable of detecting the position of the detected body; and an indicator lamp that is connected to the circuit board and is lit/extinguished depending on the state of clamping/unclamping. By pressing a setting button provided on the detection mechanism when the rotation angle of the arm is changed, the second detection position of the circuit board for detecting the unclamped state is changed, making it possible to detect the detected body at a newly set detection position.