Removable Screen Cradle Assembly for Fast Replacement in Material Processors
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Solution Overview
Problem
Existing material processing machines face challenges in efficiently installing and uninstalling screens used in the reducing process, which affects operational efficiency and maintenance.
Innovation Solution
A removable screen cradle assembly is designed for material processing machines, featuring a cradle support structure with seated ends and a retainer that secures the assembly against a stop, allowing for easy installation and removal without fasteners, utilizing guides and projections for alignment and retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fastener-based screen installation is used, then screen retention is secure, but installation and uninstallation time increases
Solution Approach 1:
The screen assembly is segmented into a screen component and a cradle assembly, allowing the screen to be quickly installed by placing it into the cradle without fasteners. The cradle assembly acts as a separate structural support that can be quickly attached and detached from the housing.
Solution Approach 2:
The cradle assembly serves as an intermediary component between the screen and the housing. It provides a standardized interface with engagement features that mechanically connect to the housing, eliminating the need for fasteners while ensuring secure retention through geometric interlocking.
2Productivity
If removable cradle assembly is used, then screen replacement efficiency improves, but device complexity increases
Solution Approach 1:
The cradle assembly merges multiple functions into a single component: it provides structural support for the screen, incorporates engagement features for quick attachment to the housing, and includes alignment features for proper positioning. This integration reduces the need for separate fasteners and alignment mechanisms.
Solution Approach 2:
The cradle assembly incorporates self-aligning features such as protrusions that fit into corresponding recesses in the housing, and engagement features that automatically lock into place when the cradle is inserted. This self-service mechanism eliminates the need for manual alignment or fastening operations.
Data Source
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AI summary
A material processing machine has an infeed system, a discharge system, and a material reducing system mounted between the infeed system and the discharge system. The material processing machine comprises a housing, a rotor having a shaft rotatably mounted to the housing, and a drum defining an outer surface. A plurality of processing tool assemblies are coupled to and extending outwardly from the outer surface of the drum. A stop is coupled to the housing. A removable screen cradle assembly is partially surrounding the rotor. The screen cradle assembly comprises a cradle support structure having first and second ends with the second end seated against the stop when in an assembled state, and at least one screen mounted to the cradle support structure. A retainer is coupled to the housing to engage the first end of the cradle support structure to secure the cradle support structure against the stop.