Dual-Conveyor Tire Strip Laying for Independent Axial Alignment
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Solution Overview
Problem
Existing application devices for tire component material strips on a tire building drum cannot simultaneously correct the contour and orientation of multiple strips without affecting each other, leading to reduced accuracy and increased cycle time.
Innovation Solution
A laying device with two conveyor belts that automatically detect and adjust the contour and orientation of each strip independently, using cameras and actuators to move the belts relative to the drum, ensuring high axial accuracy and preventing relative movement between the strips and the belts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single conveyor belt is used to apply material strips, then the device complexity is reduced, but the productivity decreases when multiple strips need to be applied simultaneously
Solution Approach 1:
The single conveyor belt system is segmented into multiple independent conveyor belts (first conveyor belt, second conveyor belt, etc.), each capable of conveying and positioning material strips independently. This segmentation allows multiple strips to be applied simultaneously without interfering with each other, thus increasing productivity while maintaining manageable device complexity through modular design.
2Manufacturing precision
If multiple material strips are corrected simultaneously on the same conveyor belt, then the device complexity is reduced, but the manufacturing precision deteriorates due to mutual interference
Solution Approach 1:
The conveyor system is divided into separate conveyor belts for each material strip, allowing independent detection and correction of contour and orientation for each strip. This segmentation eliminates mutual interference between strips during correction, ensuring high axial accuracy for each strip while maintaining a relatively simple overall device structure through standardized modular components.
3Productivity
If the conveyor belt speed is increased to reduce cycle time, then the productivity improves, but the manufacturing precision deteriorates due to reduced detection and adjustment time
Solution Approach 1:
The system performs detection of contour and orientation, calculation of correction values, and adjustment of conveyor belt positions in advance before the material strips are applied to the tire building drum. This preliminary action ensures that all necessary corrections are completed while the strips are still on the conveyor belts, allowing high conveyor speeds during application without compromising detection and adjustment accuracy.
Data Source
Figure 1~2
AI summary
The invention relates to a laying device (1) and a method for laying pre-lengthened material strips (2, 3) for tire components onto a rotating tire construction drum (4), wherein the laying device (1) has a first conveyor belt (5), wherein the contour and orientation of a first material strip (2) on the first conveyor belt (5) can be automatically detected and the axial orientation of the first material strip (2) relative to the tire construction drum (4) can be automatically adjusted to a target size, wherein the laying device (1) is configured to simultaneously automatically detect the contour and orientation of a second material strip (3) on a second conveyor belt (6) and to automatically adjust the axial orientation of the second material strip (3) relative to the tire construction drum (4) to a target size independently of the axial orientation of the first material strip (2).