Rotatable Impact Chamber for Flexible Material Discharge

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Solution Overview

Problem

Existing comminution devices have rigid designs that limit the flexibility of material discharge and make maintenance ergonomically unfavorable due to fixed discharge openings and stationary impact chambers.

Innovation Solution

A comminution device with a rotatable impact chamber that allows the discharge opening to be positioned variably, enabling flexible material processing and simplified maintenance by rotating the impact chamber for access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the impact chamber is made stationary with a fixed discharge opening, then the machine structure is simple and rigid, but the flexibility of material discharge is limited

Engineering Contradiction:
Improveflexibility of material dischargeVSAvoidmachine structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The impact chamber is made rotatable about the longitudinal axis of the rotor shaft, transforming the stationary structure into a dynamic one. This allows the discharge opening to be positioned at different locations depending on the processing requirements, enabling flexible discharge of different materials to different collection devices while maintaining a relatively simple overall machine structure.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the discharge opening is fixed in position, then the machine design is simple, but the ability to serve different materials and collection devices is reduced

Engineering Contradiction:
Improveprocessing flexibility for different materialsVSAvoidmachine design simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The rotatable impact chamber allows the discharge opening to be positioned at different locations to serve different collection devices and material types, providing processing flexibility without requiring multiple fixed discharge openings or complex switching mechanisms.

Inventive Principle:
Principle #15Dynamics

3Ease of repair

If the impact chamber is stationary, then the structure is stable and simple, but maintenance access is ergonomically unfavorable

Engineering Contradiction:
Improvemaintenance accessVSAvoidstructural complexity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The impact chamber can be rotated to bring different sections to accessible positions for maintenance. This dynamic positioning capability allows maintenance personnel to ergonomically access internal components without requiring the entire machine to be disassembled or complex access mechanisms to be installed.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2939745B1Device with impact zone
Publication Date: 2019.07.10 LINDNER MANUEL
  • EP2939745B1 patent drawingFigure 1a
  • EP2939745B1 patent drawingFigure 1b~2

AI summary

The present invention relates to a device for crushing material, comprising an impact chamber with a discharge opening and a rotor shaft extending in the impact chamber with a longitudinal axis, wherein the impact chamber is rotatable about the longitudinal axis of the rotor shaft.