Movable-Slot Coil Lifter for Heavy Roll Feeding to Bending Machines
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Solution Overview
Problem
Lifting and feeding large rolls of metallic material into bending machines is cumbersome due to their heavy weight, requiring multiple operators or heavy machinery, which complicates the process.
Innovation Solution
A coil lifter system with multiple slots for housing coils of various sizes, featuring a first rack and a second rack with a movable slot that positions the coil for easy transfer to a bending machine, utilizing sliding plates and wheels for movement and a processor for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a large roll of metallic material is used to provide long enough material for multiple channel letters, then the material supply duration is improved, but the weight of the object becomes extremely heavy requiring multiple operators or heavy machinery
Solution Approach 1:
The system divides the heavy metallic roll into manageable segments by using a coil lifter that can lift and position the roll in controlled portions. The coil lifter mechanism segments the lifting operation into controlled stages, allowing the heavy roll to be handled in manageable increments rather than as a single overwhelming load.
Solution Approach 2:
The coil lifter acts as an intermediary device between the heavy metallic roll and the feeding table. This intermediate mechanism provides the mechanical advantage needed to lift and position the heavy roll without requiring multiple operators or heavy machinery, solving the weight problem while maintaining continuous material supply.
2Force
If multiple operators or heavy machineries are used to lift the roll onto the feeding table, then the lifting capability is improved, but the device complexity increases
Solution Approach 1:
The coil lifter is designed to lift and position the metallic roll autonomously through its mechanical advantage system. The device serves itself by using its own integrated mechanisms (including the movable slot and sliding plate systems) to handle the heavy load without requiring external operators or additional heavy machinery, thereby maintaining high lifting capability while minimizing system complexity.
3Ease of operation
If a coil lifter with multiple racks and movable slots is used to transfer coils, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The coil lifter incorporates dynamic elements including movable slots and sliding plates that enable flexible coil transfer operations. The movable slot in the second rack can be repositioned to accommodate different coil sizes and transfer positions, while the sliding plate mechanism provides dynamic adjustment capabilities. These dynamic features enhance ease of operation by allowing adaptive handling of various coil configurations without requiring complex fixed structures.
Data Source
AI summary
A coil lifter including: a first rack including multiple slots configured to house metallic coils of various sizes, wherein a coil of a desired size is selected from the metallic coils in the multiple slots of the first rack; and a second rack coupled to the first rack and a bending machine for bending rules or profiles, the second rack including at least one movable slot to transfer the selected coil from the first rack to the at least one movable slot of the second rack, wherein an unspooled end of the selected coil is fed into the bending machine once the at least one movable slot of the second rack is appropriately positioned with respect to the bending machine.