Movable Drive Magnet Array for Zero-Radius Cart Switching
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Solution Overview
Problem
Conventional conveyor belt systems with independent cart technology require significant space for switches due to minimum bend radius, leading to underutilization of space for processing steps during direction changes.
Innovation Solution
A system for independent cart systems that enables zero-radius direction change using a switch track segment with multiple paths and a movable or complex magnet array on the mover, allowing alignment with different sets of coils to propel the mover in various directions without increasing the physical space required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional curved paths are used for direction change, then the mover can transition between tracks, but the space required increases due to minimum bend radius
Solution Approach 1:
The magnet array is made dynamically reconfigurable, allowing it to change orientation between different directions. The engagement member selectively positions the magnet array to align with either the first path or second path, enabling the mover to change direction without following a curved trajectory. This dynamic reconfiguration eliminates the need for fixed curved guide paths.
Solution Approach 2:
The drive system is segmented into multiple independent magnet arrays (first magnet array in first direction, second magnet array in second direction). Each magnet array can be independently activated by engaging with corresponding coils on different paths, allowing the mover to segment its propulsion system to match different directional requirements without requiring a continuous curved path.
2Adaptability or versatility
If curved paths with minimum bend radius are provided, then the mover can change direction, but the space along the switch becomes underutilized for processing steps
Solution Approach 1:
The ability to dynamically reposition the magnet array allows the mover to make abrupt direction changes at any position along the switch track segment, rather than being constrained to follow a predetermined curved path. This enables processing operations to be performed at any location along the track, maximizing space utilization.
Solution Approach 2:
The switch track segment becomes multi-functional, serving both as a direction-changing element and as a processing zone. Since the mover can change direction at any position rather than requiring dedicated curved path space, the entire switch track segment can be utilized for processing operations, giving the space multiple uses.
3Length of moving object
If the length of the vehicle increases, then the payload capacity increases, but the length of the curved path required increases
Solution Approach 1:
The movable magnet array allows the mover to change direction without following a curved path, eliminating the constraint that curved path length must scale with vehicle length. The engagement member positions the magnet array to align with the desired path direction, enabling even long vehicles to make sharp direction changes in minimal space.
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
Facilitates efficient use of space by enabling seamless direction changes without the need for additional space, enhancing flexibility and utilization of manufacturing facilities for processing tasks.
Implementation Method 1
The coils are selectively energized to generate an electromagnetic field that interacts with the drive magnet array to propel the mover along the track segment
Data Source
AI summary
A system for zero radius direction changes in an independent cart system includes a drive magnet array movably mounted to a mover. The drive magnet array includes at least one drive magnet configured to engage an electromagnetic field generated by coils extending along a track and a first engagement member for selectively positioning the drive magnet array between at least a first position and a second position. A switch track segment defines at least a first and second path for the mover. The first path includes coils to generate the electromagnetic field along the first path, and the second path includes coils to generate the electromagnetic field to along the second path. The drive magnet array is aligned with the first path when the drive magnet array is in the first position and with the second path when the drive magnet array is in the second position.