Turntable Integrated Scale for In-Situ Pallet Weighing
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Solution Overview
Problem
Conventional methods for determining the weight of a loaded pallet prior to shipment require additional processing steps, increasing time, manpower, and equipment resources, as they typically involve moving the pallet to a scale either before or after wrapping.
Innovation Solution
A turntable assembly integrated with a wrapping machine, featuring a load support surface, drive assembly, and load cell assemblies that sense the weight of the load, allowing for in-situ weight determination while wrapping, with a display to show the weight, and a packaging material dispenser for efficient wrapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional weighing methods are used (moving pallet to separate scale), then weight measurement can be obtained, but processing time and equipment resources increase
Solution Approach 1:
The patent combines the weighing function and wrapping function into a single integrated system. The load cell assemblies are built into the turntable structure, allowing weight measurement to occur simultaneously with the wrapping operation rather than as a separate step. This merging eliminates the need to move the pallet between separate weighing and wrapping equipment, thereby improving productivity while maintaining measurement accuracy.
2Measurement precision
If separate weighing equipment is used, then weight determination is possible, but additional processing steps and manpower are required
Solution Approach 1:
The turntable assembly is designed to serve multiple functions: it provides the rotational platform for wrapping while simultaneously housing the load cell assemblies for weight measurement. The first support assembly supports both the drive assembly for rotation and the load cell assemblies for weighing. This multi-functionality reduces the need for separate dedicated weighing equipment and manual intervention.
3Measurement precision
If pallet is moved to separate scale for weighing, then weight can be measured, but time and equipment resources are consumed
Solution Approach 1:
The weighing action continues uninterrupted during the wrapping process. The load cell assemblies remain engaged with the pallet throughout the operation, continuously monitoring weight as the turntable rotates and the wrapping occurs. This eliminates the need to stop the process for separate weighing, maintaining continuous useful action and reducing total processing time.
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 accurate and efficient weight determination of loaded pallets during the wrapping process, reducing processing time and resources by integrating weight measurement directly into the wrapping operation.
Implementation Method 1
A plurality of load cell assemblies support the first support assembly and determine a value indicative of a weight of a load on the load support surface
Data Source
AI summary
A turntable that can be used with a machine for wrapping loads with packaging material includes a turntable assembly having a first support assembly and a load support surface supported for rotation on the first support assembly. A second support assembly contacts a floor surface, and a plurality of load cells disposed between the first and second support assemblies space the first support assembly and the load support surface above the floor surface. In use, the load cells sense a weight of a load on the load support surface.