Impact Mill Rotor Blade Mounting for Fast Gap Adjustment
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Solution Overview
Problem
Existing impact mills face challenges in the convenience of rotor tool blade replacement and the time-consuming adjustment of the distance between rotor and stator parts, leading to poor user friendliness and maintenance difficulties.
Innovation Solution
The design incorporates a detachable rotor tool blade system with a spacer and blade holder that allows for easy replacement and quick adjustment of the rotor tool blades' distance relative to the stator tools, using a spacer with recesses for defined positioning and markings for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If rotor tool blades are detachably attached using tool holding brackets to a blade attachment plate, then simplified replacement of individual rotor tool blades is achieved, but the replacement process becomes cumbersome and time-consuming due to the elevated number of individual components
Solution Approach 1:
The patent combines the tool holding bracket and the blade attachment plate into a single integrated component. The rotor tool blade is directly attachable to this integrated structure, eliminating the need for separate tool holding brackets. This merging reduces the number of individual components while maintaining the capability for simplified replacement of rotor tool blades.
2Adaptability or versatility
If the distance between rotor tool blades and stator part is adjustable, then operational flexibility is improved, but the adjustment process becomes time-consuming and complex
Solution Approach 1:
The patent implements a dynamic adjustment mechanism where the blade attachment plate can be quickly repositioned relative to the rotor part to change the distance between rotor tool blades and stator part. This dynamic system allows for rapid adjustment without complex procedures, enabling operational flexibility while minimizing adjustment time through simplified repositioning actions.
3Reliability
If rotor tool blades are manufactured with high strength steel to minimize wear, then durability is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent segments the rotor tool blade as a separate, replaceable component that can be manufactured with high strength steel for durability. By making the blade a distinct module rather than an integral part of the entire rotor assembly, the complex manufacturing process is localized to only the blade component. This allows high strength steel to be used specifically where needed for wear resistance, while the rest of the rotor structure can use simpler, more economical materials and manufacturing methods.
Data Source
AI summary
An enhanced operating comfort is to be achieved in a rotor part of an impact mill with a plurality of rotor tool blades detachably attachable to a blade attachment plate. This is achieved by recessing a spacer recess out of each rotor tool blade, recessing a blade holding recess and a plate spacer recess out of the blade attachment plate at each blade position, and having one spacer per rotor tool blade that can be held rotatably in the spacer recess and fixed in the plate spacer recess. An impact bead is arranged circumferentially at the upper edge of spacer, and each blade holder fixes a rotor tool blade to the blade attachment plate, and hence interacts with the spacer to prevent a movement by the rotor tool blade parallel and perpendicular to the longitudinal axis.