Adjustable Cutting Carriage Platform for Accurate Tool Changeover
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Solution Overview
Problem
In cutting systems, replacing a cutting device with a different size and structure often results in the object to be cut not being perfectly level, leading to inaccurate cuts due to misalignment between the carriage and the new cutting device.
Innovation Solution
A carriage with a scissor mechanism and ratchet system that allows for adjustable platform positioning relative to the cutting device, ensuring alignment and stability by allowing the platform to be raised or lowered and locked in place, ensuring the object is cut accurately regardless of the cutting device's size or structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cutting device is replaced with a different size and structure, then the cutting device can be adapted to different cutting needs, but the object to be cut may not be perfectly level leading to inaccurate cuts
Solution Approach 1:
The carriage platform is made dynamically adjustable through the scissor mechanism, allowing it to change position vertically to accommodate different cutting device heights. This dynamic adjustment ensures that the platform remains level and properly aligned regardless of which cutting device is mounted on the track.
Solution Approach 2:
The system changes the vertical position parameter of the carriage platform using the scissor mechanism and ratchet system. By adjusting this parameter, the platform can be raised or lowered to match the height of different cutting devices, maintaining cutting accuracy across device replacements.
2Device complexity
If the carriage platform is made fixed, then the structure is simple and stable, but it cannot adapt to different cutting device heights resulting in misalignment
Solution Approach 1:
The scissor mechanism transforms the fixed carriage structure into a dynamically adjustable one. The interlocking arms of the scissor mechanism provide a compact yet effective means of vertical adjustment, allowing the platform to adapt to different cutting device heights while maintaining structural stability during cutting operations.
Solution Approach 2:
The carriage structure is segmented into the adjustable platform portion and the fixed base portion. The scissor mechanism acts as an intermediate adjustable segment that connects these two portions, allowing vertical adjustment while keeping the overall structure relatively simple and stable.
3Manufacturing precision
If the platform adjustment mechanism is added, then the alignment precision is improved, but the device complexity increases
Solution Approach 1:
The scissor mechanism provides a mechanically elegant solution for platform adjustment that achieves precise alignment without requiring complex motorized systems. The mechanical advantage provided by the scissor arms allows for fine adjustment control through simple manual operation of the ratchet system.
Solution Approach 2:
The ratchet and pawl system provides a simple, inexpensive locking mechanism that maintains platform position once adjusted. This mechanical locking system is more cost-effective and simpler than electronic or hydraulic locking systems, achieving the same function with fewer components.
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 carriage ensures precise alignment and stability of the object to be cut, maintaining accuracy even when switching between different cutting devices, preventing inaccuracies and ensuring consistent cutting performance.
Implementation Method 1
a scissor mechanism (50) linking the housing (24) to the platform (26)
Implementation Method 2
a ratchet (64) able to be set in an engaged configuration and in a disengaged configuration
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A carriage (4) comprising: a housing (24) able to be slidably mounted on a track (8), a platform (26) on which can rest an object to be cut by a cutting device (14) mounted on the track, a stop (34) able to stop the object relative to the cutting device (14) while the object rests on the platform (26), wherein the platform (26) is movable relative to the housing (24) between a raised position and a lowered position wherein the platform (26) is closer to the track than in the raised position, when the housing 24 is slidably mounted on the track (8).