Comminutor Tilting Access Door for Screen Maintenance
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Solution Overview
Problem
Existing comminutors for bulk materials, such as wood, lack flexibility and accessibility for adjusting settings and maintenance due to their robust design, making it difficult to access components for repair and maintenance.
Innovation Solution
A comminutor design featuring a rotatable drum with blades, a counter-blade system, a screen, and an access door with a tilting mechanism that allows easy access to internal components, enabling adjustable screen sizes and modular components for diverse material processing, reducing the need for separate pre-comminutors and improving maintenance accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the comminutor is designed with a robust structure to handle bulk material comminution, then the strength and reliability are improved, but the accessibility for maintenance and adjustment deteriorates
Solution Approach 1:
The comminutor is divided into modular segments including a drum assembly, screen assembly, and housing sections that can be independently accessed and maintained. The screen is positioned on the underside of the drum and can be accessed separately from the main drum assembly, allowing maintenance without disassembling the entire robust structure.
Solution Approach 2:
The screen is extracted from the main drum structure and positioned on the underside, allowing it to be removed and accessed independently. This extraction enables maintenance of the screen without compromising the integrity of the main drum and housing structure.
2Reliability
If the comminutor is designed with fixed components for robust operation, then the reliability is improved, but the adaptability for different materials deteriorates
Solution Approach 1:
The comminutor is designed with universal applicability through interchangeable screens with different aperture sizes and configurable blade arrangements on the drum. This allows the same robust structure to process various bulk materials including wood, carpet, floor covering, plastic, and walls by adjusting screen and blade configurations rather than requiring material-specific fixed designs.
Solution Approach 2:
While maintaining a robust fixed structure, the comminutor incorporates dynamic adjustability through interchangeable screens and configurable blades. The screen can be removed and replaced to change aperture sizes, and blades can be repositioned on the drum, allowing the system to adapt to different material types and desired output sizes while maintaining structural reliability.
3Ease of operation
If the comminutor uses a complex door mechanism for access, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The screen is extracted from the main drum structure and positioned on the underside, allowing direct access through the housing opening without requiring complex door mechanisms. The screen can be removed independently through a simple opening in the housing, eliminating the need for intricate door assemblies while maintaining ease of access for maintenance.
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 design provides a universal comminutor capable of processing various bulk materials in a single step with reduced maintenance efforts, enhancing convenience and efficiency by allowing easy access and adjustment, thus minimizing the need for additional equipment and reducing operational costs and emissions.
Implementation Method 1
an access door connected to the frame and provided with a tilting mechanism such that easy access to the screen is obtainable by opening the door
Implementation Method 2
a rotatable drum which is arranged on the frame and on which blades are provided; counter-blades which are connected to the frame and which operate with the blades for the purpose of comminuting material carried into the opening
Data Source
AI summary
The invention relates to a comminutor for comminuting bulk material, and a trailer and method therefor. The comminutor includes a frame provided with an opening; a rotatable drum which is arranged on the frame and on which blades are provided; counter-blades which are connected to the frame and which operate with the blades for the purpose of comminuting material carried into the opening; a screen positioned on the underside of the drum; and an access door connected to the frame and provided with a tilting mechanism such that easy access to the screen is obtainable by opening the door.