Vise Assembly With Swingable Arms For Bevel Cut Positioning
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Solution Overview
Problem
The existing vise assemblies for bench circular sawing machines have limited flexibility in selecting the holding position of a workpiece, which impairs ease of use, especially when performing bevel cuts, as the position of the bench screw is fixed relative to the horizontal bar, requiring the vise assembly to be repositioned.
Innovation Solution
A vise assembly with a support rod, a first arm connected to the support rod, and a second arm that is horizontally swingable and vertically movable, allowing the clamping rod to be positioned at various angular and vertical positions, along with a slide rod and thumb screw for adjustable holding, enhancing flexibility and ease of operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the bench screw position is fixed relative to the horizontal bar, then the vise assembly structure is simple, but the range of selection of the holding position is limited
Solution Approach 1:
The horizontal bar is divided into two separate arms (first arm and second arm) that can move independently. The first arm swings horizontally on the support rod, while the second arm swings horizontally on the first arm. This segmentation allows the bench screw to reach a wider range of positions without requiring a single complex movable component.
Solution Approach 2:
The invention adds a second horizontal swinging dimension by introducing the second arm that swings perpendicular to the first arm's motion. This transforms the single-degree-of-freedom system into a two-degree-of-freedom system, enabling the bench screw to access positions in a broader spatial range, particularly useful when the main body is tilted for bevel cuts.
2Ease of operation
If the vise assembly is repositioned to avoid interference during bevel cuts, then interference is avoided, but the ease of operation is impaired
Solution Approach 1:
The vise assembly transitions from a fixed-position design to a dynamic, multi-axis movable design. The first arm swings horizontally on the support rod, and the second arm swings horizontally on the first arm, allowing the bench screw to dynamically adjust its position to avoid interference with the tilted main body during bevel cuts while maintaining ease of operation.
Solution Approach 2:
By adding the second horizontal swinging dimension, the invention provides an additional degree of freedom that allows the bench screw to move laterally to avoid interference with the main body during bevel cuts, eliminating the need to reposition the entire vise assembly while maintaining ease of operation.
3Adaptability or versatility
If the second arm is made horizontally swingable on the first arm, then the flexibility in selecting holding positions is increased, but the device complexity is increased
Solution Approach 1:
The horizontal bar is segmented into two independent swinging arms. The first arm swings horizontally on the support rod, and the second arm swings horizontally on the first arm. Each arm has its own simple swinging mechanism, which is less complex than designing a single arm with both degrees of freedom integrated.
Solution Approach 2:
The invention combines two simple swinging mechanisms (first arm on support rod, second arm on first arm) to achieve complex positioning capability. This modular combination of simple mechanisms is less complex than creating a single sophisticated mechanism that provides the same range of motion.
Data Source
AI summary
A vise assembly includes a support rod standing on a base of a bench circular sawing machine, a first arm connected to the support rod and projecting frontward, a second arm of which a rear end portion is connected to a front end portion of the first arm in such a manner that the second arm is horizontally swingable and capable of being retained at any angular position, and a clamping rod disposed at a front end portion of the second arm, configured to be movable upward and downward, and capable of holding a workpiece placed in a cutting region. Optionally, the rear end portion of the second arm is movable upward and downward and capable of being retained at any vertical position.