Adjustable Baffle Plate for Maize Straw Flow Control
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Solution Overview
Problem
Conventional devices for harvesting corn straw require significant conversion work to spread it on the ground, which is not economically feasible, limiting its recycling options.
Innovation Solution
An adjustable baffle plate that can be set between open and closed positions to direct the crop flow, allowing for either collection as a swath or direct deposition on the ground, with features like pivotability and adjustable angles to optimize crop distribution and minimize losses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the baffle plate is positioned to collect crop in a swath, then crop collection efficiency is improved, but the device complexity increases due to additional collection mechanisms
Solution Approach 1:
The baffle plate is made adjustable and movable between different positions (open and closed) to allow the device to dynamically switch between swath collection mode and direct ground deposition mode. This dynamic positioning capability enables the same structural element to serve multiple functions without requiring separate fixed mechanisms for each mode.
Solution Approach 2:
The baffle plate serves multiple functions: it can direct crop flow into the collecting pan for swath formation, or be positioned to allow direct deposition on the ground. This multi-functionality eliminates the need for separate specialized mechanisms for different crop disposal methods, reducing overall device complexity while maintaining operational versatility.
2Adaptability or versatility
If the baffle plate is made adjustable to switch between collection modes, then adaptability is improved, but the ease of operation deteriorates due to additional adjustment requirements
Solution Approach 1:
The baffle plate's adjustability allows the device to adapt to different harvesting conditions and crop types by switching between swath collection and direct deposition modes. The mechanical adjustment mechanism enables operators to reposition the baffle plate according to specific operational requirements.
3Ease of operation
If the baffle plate blocks crop flow to the collecting pan, then direct ground deposition is achieved, but crop losses increase due to uncollected material
Solution Approach 1:
The adjustable baffle plate enables dynamic control over crop flow distribution. When positioned to allow ground deposition, it can be adjusted to optimize the balance between direct deposition and material directed to the collecting pan, thereby minimizing crop losses while maintaining the capability for direct ground deposition when needed.
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 selective collection and deposition of corn straw without special collection, reducing crop losses and maintaining operational efficiency, while allowing for flexible adaptation to different harvesting conditions.
Implementation Method 1
the baffle plate blocking the crop flow from the chopping device to the collecting pan in the closed position and releasing it in the open position
Data Source
Figure 1
Figure 2
AI summary
The present invention relates to a device (2) for harvesting stemmy straw, comprising a picking device (4), a conveying device for removing picked fruit heads, a chopping device (6) arranged in a plane below the picking device (4) for cutting stems, which has at least one knife rotating in a horizontal or at least approximately horizontal plane, a collection tray (12) arranged in the discharge direction (10) of the chopping device (6) and a transverse conveying device (14) arranged in the area of the collection tray (12).In order to create a device with which the corn stover can optionally be collected and laid down in a swath or thrown directly onto the ground without special collection, it is proposed that an adjustable guide plate (16) be arranged in the material flow between the chopping device (6) and the collection tray (12), which is adjustable between an open position and a closed position and can be locked in these two positions, wherein the guide plate (16) blocks the material flow from the chopping device (6) to the collection tray (12) in the closed position and releases it in the open position.