Oscillating Reservoir Slot Feed for Uniform Powder Distribution
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Solution Overview
Problem
Existing distribution systems for powders, particularly sticky or pulverized powders, face challenges in achieving homogeneous volumetric and grain size distribution over long distances, with rail and brush systems being cumbersome and nozzle systems prone to clogging.
Innovation Solution
A linear distribution device with a movable reservoir having a storage cavity and a longitudinal slot opening, driven by oscillating movement, ensures homogeneous distribution of powders by maintaining a temporary reserve and adjusting parameters like oscillation angle and frequency based on material properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If rail and brush systems are used to spread material, then distribution coverage is improved, but device complexity and adaptability deteriorate
Solution Approach 1:
The reservoir is made oscillating rather than stationary, transforming the static rail and brush system into a dynamic one. The oscillation movement allows the material to be distributed along the entire length of the longitudinal slot opening, achieving wide coverage without complex mechanical spreading mechanisms.
Solution Approach 2:
The invention removes the complex rail and brush components entirely, replacing them with a simple oscillating reservoir system. The material distribution is achieved purely through gravity and oscillation, eliminating the need for mechanical spreading elements.
2Adaptability or versatility
If nozzle systems are used for material distribution, then adaptability to different materials is improved, but reliability deteriorates due to clogging
Solution Approach 1:
The outlet is segmented into a longitudinal slot opening instead of a single nozzle, preventing clogging by distributing material flow across multiple pathways. The slot geometry allows different types of powders and granules to pass through without blocking, maintaining reliability across various materials.
Solution Approach 2:
The oscillating movement of the reservoir prevents material from stagnating in the outlet region, continuously refreshing the material flow and preventing clogging. This dynamic approach maintains reliability while handling diverse materials with varying flow properties.
3Productivity
If material is distributed directly from mill outlet, then productivity is improved, but manufacturing precision deteriorates due to non-homogeneous distribution
Solution Approach 1:
The reservoir provides a temporary storage cavity that allows material to be held and pre-distributed before final deposition. The oscillation movement preliminarily distributes material along the longitudinal slot, ensuring homogeneous volumetric and grain size distribution before the material reaches the receiving device, thus improving manufacturing precision without sacrificing productivity.
4Adaptability or versatility
If distribution distance is increased beyond mill outlet size, then adaptability to different receiving devices is improved, but manufacturing precision deteriorates due to loss of homogeneity
Solution Approach 1:
The oscillating reservoir actively maintains material homogeneity during distribution over extended distances. The oscillation movement continuously redistributes material within the storage cavity and along the outlet, compensating for the effects of distance and preventing segregation, thus maintaining manufacturing precision across different distribution lengths.
Solution Approach 2:
The reservoir performs preliminary distribution of material along the longitudinal slot opening before material travels to the receiving device. This pre-distribution ensures that even over extended distances, the material maintains homogeneous volumetric and grain size characteristics, preserving manufacturing precision.
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 device achieves continuous, homogeneous distribution of powders with consistent grain size and volume over extended lengths, adapting to varying material characteristics and flow rates, reducing clogging and defects in the final product.
Implementation Method 1
means of driving the reservoir in an oscillating movement about its axis
Implementation Method 2
The material leaves the storage cavity through the second opening, by gravity and/or by forces linked to the oscillation movement
Data Source
AI summary
The invention relates to a device (10) for the linear distribution of a material (M). This comprises a reservoir (20) mounted for movement about an axis defining a longitudinal direction, the reservoir delimiting a storage cavity (42) and being provided with a first opening (50) for the entry of material into said cavity and a second opening (60) in the form of a longitudinal slot for the exit of material from said cavity. The device also comprises means (30) for driving the reservoir (20) in an oscillating movement about its axis.