Pivotal Work Surface Strapping Machine for Load Handling
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Solution Overview
Problem
Strapping machines face difficulties in handling and accessing loads that are at higher elevations, requiring improved mechanisms for load handling, squaring, and maintenance access due to the conventional design limitations.
Innovation Solution
A strapping machine with a pivotal work surface, a conveyor system driven by a friction belt, a load compression assembly, side squaring mechanism, and an accessible enclosure design that includes a lift system for elevated work surfaces, allowing for easier load alignment and internal access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the work surface is elevated to improve load handling capability, then the machine can handle loads at higher elevations, but access to internal portions for maintenance becomes difficult
Solution Approach 1:
The work surface is made movable rather than fixed, allowing it to be raised for load handling and lowered for maintenance access. The surface can be dynamically adjusted between different positions to resolve the contradiction between elevated operation and accessible maintenance.
Solution Approach 2:
The work surface is divided into multiple sections that can be independently moved or removed. This segmentation allows the surface to be reconfigured for maintenance access while maintaining elevated load handling capability during operation.
2Stability of the object's composition
If the work surface is made fixed and elevated, then structural stability is improved, but access panels cannot be easily opened for maintenance
Solution Approach 1:
The work surface transitions from a fixed structure to a dynamically adjustable one, maintaining structural stability during operation while enabling easy access during maintenance through controlled movement or removal.
Solution Approach 2:
The work surface can be completely removed or extracted from the machine structure, allowing full access to internal components for maintenance while maintaining structural integrity when installed for operation.
3Extent of automation
If conventional conveyor systems are used, then automated operation is achieved, but loads that are too small or askew cannot be properly handled
Solution Approach 1:
The conveyor system incorporates localized friction-driven rollers that provide gentle, distributed contact with loads. This local quality change allows the conveyor to adapt to small or irregularly positioned loads while maintaining automated operation, as the friction drive can accommodate variations in load size and position without requiring precise alignment.
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 the handling and strapping of difficult loads by providing a mechanism to compress, square, and align loads, while allowing for easier maintenance access through elevated work surfaces and an interlocked access panel system.
Implementation Method 1
A conveyor is mounted within the work surface that has a friction belt drive
Data Source
AI summary
A strapping machine feeds strapping material around a load, positions, tensions and seals the material around the load. The machine includes a work surface, a portion of which is upwardly pivotal. A conveyor mounted within the work surface has a friction belt drive. The conveyor roller closest to the strap chute has a middle portion that has a smaller diameter than the end portions. The middle portions are fitted together to rotate as a unitary element. A load compression assembly is mounted at the strap chute. A side squaring assembly aligns the load in the direction transverse to the load direction. A strap guide extends between a pre-feed assembly and the feed assembly and includes a fixed portion and a movable portion forming a guide path that is opened to access the guide path. An interlocked enclosure is mounted to the machine frame below the work surface to access the sealing head and the feed assembly.