Combined Winding and Lifting Device for Pallet Film Engagement
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Solution Overview
Problem
Existing winding devices for pallets are inefficient, requiring multiple devices and lengthy processes, with manual systems lacking versatility and automatic systems being costly and limited in engagement height, resulting in unsatisfactory robustness of load and pallet unification.
Innovation Solution
A combined winding and lifting device with a reel-holder roll and vertical column, where the reel-holder roll and lifting plane move together along the column, allowing for both winding and lifting functions in a single machine, reducing space and cost, and enabling robust engagement of the pallet with the plastic film.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate devices (lifter and winder) are used, then lifting and winding functions are available, but device complexity and space requirements increase
Solution Approach 1:
The patent combines the lifting device and winding device into a single integrated machine. The lifting mechanism with vertical movement capability is merged with the winding mechanism featuring a rotatable column, allowing both functions to be performed by one device rather than requiring separate lifter and winder machines
Solution Approach 2:
The integrated device performs multiple functions: it can lift loads using the lifting plane and vertical column, wind loads with plastic film using the reel-holder and rotatable column, and position the film at various heights. This multi-functional design eliminates the need for multiple specialized devices
2Ease of operation
If manual winding device with swivel wheels is used, then ease of movement is achieved, but versatility of use is extremely reduced
Solution Approach 1:
The device maintains mobility through swivel wheels while adding significant versatility by integrating both lifting and winding functions. The rotatable column and adjustable reel-holder enable multiple winding configurations and heights, transforming a simple mobile winder into a multi-functional machine that can handle various load types and sizes
3Extent of automation
If automatic winding device with rotatable column is used, then winding automation is achieved, but engagement height of plastic film on pallet is limited
Solution Approach 1:
The reel-holder is designed to move vertically along the column, allowing dynamic adjustment of the film engagement height. This vertical movement capability enables the film to engage a much larger portion of the pallet compared to fixed-height automatic winders, while maintaining automated winding operation
Solution Approach 2:
The winding process is divided into multiple turns with the reel-holder moving vertically between turns. This segmentation allows the film to progressively engage different height zones of the pallet, achieving comprehensive coverage through staged winding operations
4Length of stationary object
If reel-holder moves vertically along column, then film engagement height on pallet is increased, but device complexity increases
Solution Approach 1:
The vertical movement mechanism of the reel-holder is merged with the lifting mechanism of the lifting plane. Both components share the same vertical column and movement system, eliminating the need for separate mechanisms and reducing overall device complexity while achieving increased film engagement height
Data Source
AI summary
A winding device for loads includes a reel-holder roll adapted for receiving a reel of an extensible plastic film; a vertical column, along which the reel-holder roll is movable; and a lifting plane adapted to receive a load movable along the column, so that the winding device can be used as both a winder and a lifter for forming the load.