Adjustable Eccentric Turnover Arms for Plate Handling
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Solution Overview
Problem
Conventional sheet turnover devices cause noise and damage due to fixed arm spacing, which is inadequate for varying slab and sheet thicknesses, leading to impacts during turnover.
Innovation Solution
A system with pivotable arms and adjustable eccentric arrangements allows for continuous variation of pivot axis spacing, enabling precise adaptation to different thicknesses and reducing noise and impact during turnover.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If fixed turnover device shafts are used with constant arm spacing, then the device structure is simple and easy to manufacture, but it causes impact and noise during turnover of thin slabs and sheets
Solution Approach 1:
The patent applies the dynamics principle by replacing fixed turnover device shafts with adjustable shafts that can vary their spacing. The shafts are equipped with positioning mechanisms allowing them to be moved between multiple predetermined positions, enabling the arm spacing to be dynamically adapted to different slab and sheet thicknesses. This dynamic adjustment capability eliminates impact and noise during turnover of thin materials while maintaining structural simplicity through standardized components.
2Adaptability or versatility
If fixed arm spacing is used in turnover devices, then the device complexity is low, but it cannot adapt to different thicknesses of slabs and sheets
Solution Approach 1:
The shafts are designed with adjustable positioning capabilities, allowing them to be moved between multiple predetermined positions along the turnover device arms. This dynamic adjustment feature enables the same device to handle various thicknesses of slabs and sheets effectively, providing high adaptability without significantly increasing overall device complexity.
Solution Approach 2:
The adjustment mechanism is segmented into discrete predetermined positions rather than continuous adjustment. This segmentation approach allows for simple positioning structures that can be easily manufactured and maintained, while still providing sufficient adaptability for different material thicknesses. The segmented approach avoids complex control systems while achieving the desired versatility.
3Object-affected harmful factors
If turnover device arms are positioned close together for thin sheets, then impact is reduced, but the device cannot handle thicker slabs effectively
Solution Approach 1:
The shaft positioning system allows dynamic adjustment of arm spacing based on the thickness of the material being processed. For thin sheets, the shafts can be positioned closer together to reduce impact, while for thicker slabs, the shafts can be spaced farther apart to provide adequate support and leverage. This dynamic adaptability ensures optimal performance across different material thicknesses.
Solution Approach 2:
The key parameter being changed is the spacing between turnover device arms, controlled by adjustable shaft positions. By varying this spatial parameter, the device can optimize its performance for different material thicknesses. The parameter change is implemented through mechanical adjustment mechanisms that allow operators to select appropriate spacing configurations.
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
The system significantly reduces noise and damage, extends the lifespan of wearing components, and lowers maintenance costs by avoiding shocks and vibrations during the turnover process.
Implementation Method 1
at least one driveable eccentric arrangement by means of which a position of one of the pivot axes can be adjusted before and/or during a turnover process
Implementation Method 2
The driveable eccentric arrangement has a positionally fixedly arranged turnover device shaft and at least one driveable eccentric bushing which is arranged on the turnover device shaft by means of at least one radial bearing
Data Source
AI summary
A system for overturning plate-shaped bodies, in particular slabs and sheets, having at least one overturn arm pivotally arranged about a pivot axis and can be brought into physical contact with a flat side of a plate-shaped body to be overturned, and at least one other overturn arm pivotally arranged about another pivot axis and can be brought into physical contact with another flat side of the plate-shaped body to be overturned. The two pivot axes are parallel to each other and mutually spaced. A permanent system is provided for overturning plate-shaped bodies with different dimensions, wherein noise generation associated with the overturning process is greatly reduced using the system. The system has at least one drivable eccentric arrangement with which a position of one of the pivot axes can be adjusted before and/or during an overturning process.