Floating Roller Milling Device with One-Sided Lever
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing roller press designs face challenges in efficiently grinding feedstock with high reaction forces and skewed running, requiring complex and costly structural designs to maintain precise alignment and minimize skewed running, especially in large-scale applications.
Innovation Solution
A roller press apparatus with a fixed roller and a floating roller mounted in a floating manner, where the floating roller can pivot about a pivot axis like a one-sided lever, allowing for variable positioning and reduced skewed running, and utilizing a one-sided lever arrangement to apply forces efficiently, minimizing the need for hydraulic actuators and stabilizing mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional roller press designs are used with fixed and floating rollers mounted on a frame, then the structure can handle high reaction forces, but the design becomes complex and costly to maintain precise alignment and minimize skewed running
Solution Approach 1:
The patent extracts the floating roller from the traditional frame-mounted configuration and suspends it independently using a hydraulic cylinder. This separation removes the complex frame structure and multiple mounting points, simplifying the overall design while maintaining the ability to handle high reaction forces through the hydraulic suspension system.
Solution Approach 2:
The hydraulic cylinder serving the floating roller performs multiple functions: it positions the roller, absorbs reaction forces, and maintains alignment. This multi-functional component replaces what would traditionally require separate mechanical mounting structures, alignment mechanisms, and force transmission elements, thereby reducing device complexity.
2Manufacturing precision
If additional stabilizing actuators are added to prevent skewed running, then alignment precision improves, but device complexity and cost increase
Solution Approach 1:
The floating roller with hydraulic suspension serves itself by automatically adjusting its position and orientation in response to applied forces. The system uses the natural reaction forces from the grinding process to maintain alignment, eliminating the need for additional stabilizing actuators. The hydraulic cylinder responds to force variations and maintains precise positioning through its compliant mounting.
3Adaptability or versatility
If the floating roller is mounted in a floating manner with translational displacement, then the roller can adapt to feedstock variations, but skewed running occurs and requires additional stabilization
Solution Approach 1:
The hydraulic cylinder acts as an active counterbalance system that compensates for skewed running forces. By dynamically adjusting the hydraulic pressure, the system counteracts the tendency of the floating roller to skew under asymmetric loading conditions, maintaining proper alignment while preserving adaptability to feedstock variations.
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
This design enhances grinding efficiency, reduces energy consumption, and simplifies the structural design by minimizing skewed running and the complexity of force transmission, while maintaining robustness and scalability for large roller presses.
Implementation Method 1
the floating roller can pivot about a pivot axis like a one-sided lever, allowing for variable positioning and reduced skewed running
Data Source
AI summary
A roller press device for milling input material may include a fixedly mounted fixed roller having a roller shaft mounted at least approximately in a fixed position, a loosely mounted loose roller having a roller shaft that can be arranged in a variable position, a frame supporting at least the fixed roller and optionally also the loose roller, and a force application unit acting on the loose roller at a force application point. The fixed and loose rollers can be mounted and positioned relative to one another for applying a milling force. The loose roller may be mounted so as to pivot about a pivot axis in a manner of a one-sided lever such that the relative position of the loose roller relative to the fixed roller can be defined by said pivot movement. The one-sided lever may be formed between the pivot axis and the force application point.