Vertical Rim Trimming Machine Stability via Inverted Support
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Solution Overview
Problem
Conventional rim trimming machines suffer from inadequate rigidity and accuracy due to a horizontal sliding element bearing the weight of a vertical sliding element and cutter turret, and limited vertical sliding element length, leading to shaking and reduced trimming precision.
Innovation Solution
A vertical rim trimming machine design featuring a horizontally movable horizontal sliding stand and vertically movable vertical sliding stand, where the rear surface of the vertical sliding stand connects with the front surface of the horizontal sliding stand, providing necessary abutting force and stability, and an upright mounting of the horizontal sliding stand on the base to support the vertical sliding stand at its lowest position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the horizontal sliding element is hung on the top end of the mounting wall to enable horizontal movement, then the horizontal sliding stand can move horizontally, but the horizontal sliding stand easily shakes with respect to the horizontal sliding element when the cutter trims the rim due to increased loading
Solution Approach 1:
The patent inverts the mounting arrangement by placing the horizontal sliding stand on the base and having the vertical sliding element extend downward to the base, rather than hanging from above. This reverses the load path so that the vertical sliding element is supported from below, eliminating the shaking problem while preserving horizontal movement capability.
2Volume of moving object
If the vertical sliding element has limited length to maintain compact structure, then the device remains compact, but the bottom end of the vertical sliding stand protrudes and is exposed out without support when moved to the lowest position, causing the cutter turret to shake
Solution Approach 1:
The patent extends the vertical sliding element downward to the base, utilizing the vertical dimension to provide continuous support throughout the full range of motion. This dimensional extension ensures the cutter turret remains supported at all positions without compromising the compact horizontal footprint of the device.
3Adaptability or versatility
If the horizontal sliding stand bears the weight of the vertical sliding element and cutter turret to enable vertical movement, then the vertical sliding stand can move vertically, but the rigidity of the horizontal sliding element becomes inadequate
Solution Approach 1:
The patent inverts the support relationship by having the vertical sliding element extend downward from the horizontal sliding stand to the base, rather than upward. This reversal allows the base to bear the weight through the vertical sliding element, preserving the rigidity of the horizontal sliding element while maintaining vertical movement capability.
Data Source
AI summary
A vertical rim trimming machine has a base, a horizontal sliding stand, a vertical sliding stand, a cutter turret, a bottom stand and a fixture. The horizontal sliding stand is mounted on and can horizontally move with respect to the base. The vertical sliding stand is mounted on and can vertically move with respect to the horizontal sliding stand. The cutter turret is mounted on the vertical sliding stand. The bottom stand is mounted on the base. The fixture is mounted on the bottom stand. Thus, the horizontal sliding stand horizontally moves with respect to the base stably and the vertical sliding stand vertically moves with respect to the horizontal sliding stand stably, such that the structure of the vertical rim trimming machine becomes firmer and the stability of trimming is improved.