Conveyor Package Alignment Selective Rotation Mechanism
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Solution Overview
Problem
Conventional package alignment systems for conveyor systems are inflexible, expensive, and lack variable selective rotation capabilities, often requiring significant modifications for different products and resulting in inadequate rotation control, especially when handling diverse or irregularly shaped objects.
Innovation Solution
A package alignment system that uses a mechanism with moving belts and pressure pads to selectively rotate articles on a conveyor belt without changing their forward travel speed, employing sensors and actuators to control the rotation of specific articles while maintaining the speed of adjacent articles, and incorporating additional belts or suction to stabilize and prevent unwanted rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional package alignment systems are used, then rotation function is provided, but flexibility and adaptability are poor
Solution Approach 1:
The conveyor belt is divided into multiple independently controllable segments or zones. Each segment can be controlled individually to rotate specific packages while maintaining the movement of adjacent segments, enabling selective rotation without affecting the entire conveyor system.
Solution Approach 2:
The system employs dynamic control where the rotation speed and direction of each segment can be adjusted in real-time based on the position and orientation requirements of packages. This dynamic adjustment allows the system to adapt to different product types and rotation needs without physical reconfiguration.
2Productivity
If fixed lateral press systems are used to rotate packages, then rotation is achieved, but only one package can be processed at a time
Solution Approach 1:
The conveyor is segmented into multiple independently controllable sections, allowing multiple packages to be rotated simultaneously at different positions along the conveyor. This eliminates the bottleneck of single-package processing while maintaining precise control over each package's rotation.
Solution Approach 2:
A control system acts as an intermediary between the sensor detection and the motor actuators. This control system coordinates the rotation of multiple packages simultaneously by processing position information from sensors and sending appropriate control signals to multiple motors, enabling high-speed processing without sacrificing precision.
3Productivity
If accelerated single-pass full rotations are used, then high conveyor output is achieved, but rotation control becomes insufficient
Solution Approach 1:
The rotation is performed in periodic stages rather than a single continuous motion. Packages are first accelerated to the desired rotation speed, then maintained at that speed for the required rotation angle, and finally decelerated to the conveyor speed. This periodic control ensures precise rotation even at high speeds.
Solution Approach 2:
Sensors detect the position and orientation of packages in real-time and provide feedback to the control system. The control system adjusts the motor speeds and rotation timing based on this feedback, ensuring precise rotation control while maintaining high conveyor output.
4Adaptability or versatility
If two lateral belts with speed differential are used, then rotation is achieved, but all objects are rotated equally without selectivity
Solution Approach 1:
The lateral belts are divided into multiple independently controllable segments along their length. Each segment can be activated independently to rotate specific packages, while other segments remain inactive or operate at different speeds. This selective activation enables precise control over which packages are rotated and by how much.
Solution Approach 2:
Different sections of the conveyor system have different functional properties. The sections where package rotation is needed have lateral belts with speed differentials, while other sections maintain uniform speed for straightforward transport. This local differentiation enables selective rotation without affecting the entire conveyor system.
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
Enables precise and variable rotation of selected articles while maintaining the speed of adjacent articles, improving handling efficiency and reducing the need for extensive modifications, allowing for the alignment of diverse objects without compromising conveyor output.
Implementation Method 1
a mechanism for increasing friction between the moving surfaces and the selected article cylindrical portion
Data Source
AI summary
An assembly for rotating a selected article in a stream of like articles without rotating an adjacent article, each of the articles moving along a conveying surface of a conveyor belt with a speed of forward travel and comprising an axis which is normal to the conveying surface. The assembly comprises a mechanism for revolving the selected article around the axis without changing between the axis of the revolving selected article and the axis of the non-revolving adjacent article.