Position-Adjustable Starter Roll for Consistent Round Bale Density
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Increasing the density of crop material during bale formation in round balers is challenging, as it is difficult to maintain consistent density throughout the bale after initial formation, which affects efficiency, stackability, and storage properties.
Innovation Solution
A round baler with a starter roll positioned upstream of the inlet that is moveable relative to the frame, allowing it to adjust its radial position to maintain a consistent minimum deformation distance into the bale as it grows, using a torque transmitting device and actuator for movement, and a controller for precise control based on bale size and flow rate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the starter roll is positioned fixed between the upper inlet roller and lower inlet roller, then the initial bale formation is aided, but the density consistency deteriorates as the bale diameter increases
Solution Approach 1:
The starter roll is made moveable relative to the frame, allowing it to dynamically adjust its radial position as the bale diameter increases during formation. This dynamic adjustment maintains the deformation distance between the starter roll and bale surface, ensuring consistent density throughout the bale formation process regardless of bale size.
2Manufacturing precision
If the starter roll position is adjusted to maintain deformation distance, then density consistency is improved, but device complexity increases
Solution Approach 1:
The starter roll positioning mechanism allows radial movement of the starter roll relative to the frame through a moveable support structure. This dynamic positioning system maintains the deformation distance between the starter roll and the bale surface as the bale diameter increases, ensuring consistent density without requiring overly complex control systems.
3Manufacturing precision
If the starter roll is made moveable to maintain deformation distance, then density consistency is improved, but the mechanism complexity increases
Solution Approach 1:
The starter roll is supported by a moveable support structure that enables radial adjustment of the starter roll position. This dynamic mechanism allows the starter roll to maintain optimal deformation distance into the bale as the bale diameter increases, ensuring consistent density throughout the baling process while using a relatively simple mechanical implementation.
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 solution ensures consistent bale density throughout the cross-section, enhancing efficiency, stackability, and storage properties by maintaining a minimum deformation distance as the bale diameter increases, allowing for higher density and improved crop material utilization.
Implementation Method 1
the starter roll radially deforming an exterior circumferential surface of the bale inward toward a center of the bale a minimum deformation distance
Implementation Method 2
The torque transmitting device is configured for transmitting torque from the upper inlet roller to the starter roll to rotate the starter roll about a respective axis of rotation of the starter roll
Implementation Method 3
The forming belts are arranged about the plurality of rollers to define the baling chamber having an inlet. The crop material is introduced into the baling chamber through the inlet.
Data Source
AI summary
A round baler includes a forming belt defining a baling chamber having an inlet through which crop material enters. A belt tensioning system includes a tension arm and a plurality of moveable rollers that move for maintaining tension in a forming belt while allowing a diametric size of the bale to increase during formation. A starter roll is positioned immediately upstream of the inlet relative to a rotational direction of the bale within the baling chamber during formation. The starter roll is moveable during bale formation in a direction at least partially directed toward a central transverse axis of the baling chamber to maintain a constant inward deformation distance into an exterior circumferential surface of the bale as the diametric size of the bale increases during formation.