Rotating Vacuum Shroud for Tire Buffing Debris Capture
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Solution Overview
Problem
Existing tire tread removal processes do not satisfactorily collect debris generated during the buffing process, leading to inefficiencies in the retreading process.
Innovation Solution
A debris collection system for tire buffing machines, featuring a rotatable shroud with a vacuum suction port that aligns with the projected path of debris discharged from the cutting head, allowing for effective collection through translation and rotation of the cutting head and shroud during buffing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stationary vacuum suction port is used in prior art systems, then the system structure is simple, but debris collection effectiveness is insufficient
Solution Approach 1:
The vacuum shroud is made rotatable about the cutting head axis, transforming from a stationary structure to a dynamic one. This rotation allows the vacuum suction ports to track and align with the debris discharge path as the cutting head moves, significantly improving debris collection effectiveness while the rotational mechanism adds only moderate structural complexity
Solution Approach 2:
The vacuum shroud rotates in the azimuthal dimension around the cutting head axis, adding a rotational degree of freedom. This dimensional change enables the suction ports to cover the debris path in the horizontal plane, improving collection effectiveness without requiring vertical or lateral displacement mechanisms
2Productivity
If the cutting head translates across the tire to a subsequent location, then buffing coverage is improved, but debris path alignment with suction port becomes inconsistent
Solution Approach 1:
The rotational position of the vacuum shroud is synchronized with the translation position of the cutting head through a feedback mechanism. As the cutting head moves to subsequent locations, the shroud rotates to maintain alignment between the suction ports and the debris discharge path, ensuring consistent debris collection throughout the buffing process
Solution Approach 2:
The system employs dynamic coordination between cutting head translation and shroud rotation. The shroud's rotational speed and position are adjusted in real-time based on cutting head movement, maintaining optimal alignment with the debris path while the cutting head covers the entire tire surface
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 system efficiently collects debris during the buffing process, improving the efficiency and effectiveness of tire retreading by ensuring proper alignment and collection of material discharged from the cutting head, thereby enhancing the retreading process.
Implementation Method 1
a vacuum suction port adjacent to the cutting head access window
Data Source
AI summary
Improved apparatus and methods for collecting debris generated during a tire buffing operation on a tire buffing machine, the tire buffing machine having a cutting head cutting surface rotatable about a cutting head axis. The system includes a rotatable shroud being rotatable about a shroud axis, the shroud comprising a side member surrounding a majority of the cutting head cutting surface, a cutting head access window to expose the cutting head for buffing the tire casing, and a vacuum suction port that is adjacent to the cutting head access window. The system may further include a driver to rotate the shroud during buffing, wherein rotating the shroud during buffing aligns the vacuum suction port with the projected path of debris being discharged from the cutting head cutting surface.