Displaceable Wrapping Material Supply for Clean Bale Entry
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Solution Overview
Problem
Existing baling apparatuses face issues with crop interference and air flow disrupting the entry of wrapping material into the baling chamber, particularly when using film, leading to improper wrapping.
Innovation Solution
A displaceable wrapping material supply unit with a cutting apparatus at its lower end, controlled by actuators, ensures precise placement and severing of wrapping material, independent of bale rotation, using sensors and electronic control for optimal timing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wrapping material supply unit is fixed in position, then the structure is simple, but the wrapping material entry is disrupted by crop interference and air flow
Solution Approach 1:
The wrapping material supply unit is made displaceable between a baling position and a wrapping position through actuator mechanisms. This dynamic positioning allows the supply unit to move to optimal locations for different operational phases, ensuring reliable wrapping material entry while maintaining structural efficiency. The displaceable design enables the system to adapt to varying operational requirements without permanent structural modifications.
2Manufacturing precision
If the cutting apparatus is integrated with the supply unit, then the wrapping process is more precise, but the device complexity increases
Solution Approach 1:
The cutting apparatus is integrated with the wrapping material supply unit, combining two functions (supply and cutting) into a single coordinated system. This merging allows for precise control of the wrapping material entry and severing operations, ensuring that the material is properly positioned and cut at the correct locations. The integrated design enables synchronized operation of supply and cutting functions, improving overall wrapping precision.
3Ease of operation
If the wrapping material is fed as a narrow rope, then it can enter the baling chamber more easily, but the leading portion does not perform wrapping function
Solution Approach 1:
The displaceable supply unit positions the wrapping material leading edge precisely at the wrapping inlet before the bale wrapping process begins. By pre-positioning the material in the correct location and orientation, the system ensures that the full width of the wrapping material is immediately available for wrapping functions, eliminating the need to feed material as a narrow rope that requires subsequent broadening.
4Reliability
If the supply unit is displaceable, then the wrapping material entry is improved, but the device complexity increases
Solution Approach 1:
The supply unit incorporates actuator mechanisms that enable controlled displacement between baling and wrapping positions. These actuators provide the necessary motion control to position the supply unit accurately for reliable wrapping material entry while maintaining a relatively simple overall structure. The dynamic positioning capability allows the system to achieve precise material placement without requiring complex permanent structural modifications.
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
Ensures clean and efficient wrapping of bales by preventing crop interference and air flow disruption, allowing precise control over wrapping material entry and severing, enhancing the wrapping process.
Implementation Method 1
a wrapping material supply unit displaceable between a baling position and a wrapping position by a first actuator
Implementation Method 2
a cutting element moveable between a first position allowing free passage of wrapping material through the wrapping supply apparatus and a second position in which the cutting element severs wrapping material passing through the wrapping supply apparatus
Implementation Method 3
a second actuator to displace the pivoting frame between the first and second positions
Data Source
AI summary
A wrapping material supply apparatus for supplying wrapping material to a wrapper inlet of a baling chamber, in which a bale is to be wrapped. The wrapping material supply apparatus includes a wrapping material supply unit displaceable between a baling position and a wrapping position by a first actuator, and a cutting apparatus located at a lower end of the wrapping material supply apparatus. Movement of the wrapping material supply apparatus between the baling position and the wrapping position is independent of the movement of the cutting apparatus.