Triaxial Vibration Supply Device for Screening Machines
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Solution Overview
Problem
Existing feed devices for screening machines require significant space and manual adjustments, leading to increased costs and inefficiencies due to non-homogeneous material discharge, which limits the compact arrangement and operation of screening machines.
Innovation Solution
A feed device with a conveyor chute that undergoes triaxial elliptical vibrations, generated by a vibration system with components in the longitudinal, transverse, and perpendicular directions, ensuring even material distribution across the discharge edge without increasing the device's dimensions, and featuring a baffle plate and guide plate for enhanced homogeneity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the conveyor chute protrudes laterally beyond the side boundary of the screening machine to achieve even material distribution, then the material discharge homogeneity is improved, but the space required for machine arrangement increases
Solution Approach 1:
The invention transitions from lateral material distribution (horizontal dimension) to longitudinal material distribution along the discharge edge. By extending the conveyor chute in the longitudinal direction and using longitudinal vibrations to distribute material along the discharge edge, the system achieves even material discharge without requiring lateral protrusion beyond the machine boundary.
Solution Approach 2:
The conveyor chute is designed with an asymmetric structure where the discharge edge extends along the longitudinal direction rather than distributing material laterally. This asymmetric configuration allows material to be distributed along the length of the discharge edge through longitudinal vibrations, achieving homogeneity without increasing the machine's lateral footprint.
2Manufacturing precision
If manual adjustment of discharge edges is performed to optimize material distribution, then the material discharge homogeneity is improved, but the operational complexity and time required increase
Solution Approach 1:
The system achieves automatic optimization of material discharge homogeneity through the inherent characteristics of longitudinal vibrations. The vibration generator automatically distributes material along the discharge edge based on the vibrational movement pattern, eliminating the need for manual adjustment of discharge edges and making the system self-regulating.
Solution Approach 2:
The discharge edge configuration is made dynamic through the use of vibration generators that create longitudinal oscillations. This dynamic approach allows the system to automatically adapt to different material flow conditions and achieve homogeneous distribution without requiring static manual adjustments.
3Manufacturing precision
If a narrow and long conveyor trough is used to distribute material evenly, then the material discharge homogeneity is improved, but the device dimensions and space requirements increase
Solution Approach 1:
The invention uses mechanical vibrations generated by vibration generators to distribute material along the discharge edge. Instead of relying on the physical length and narrowness of the conveyor trough to achieve distribution, the longitudinal vibrations actively move and spread material along the discharge edge, achieving homogeneity with more compact dimensions.
Solution Approach 2:
The system changes the operational parameters by introducing vibrational movement to the conveyor chute. This parameter change (adding vibration) transforms how material is distributed - not through the physical geometry of a long narrow trough, but through the dynamic action of vibrations that spread material along the discharge edge, reducing the required volume.
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 solution achieves a compact and efficient material discharge with even distribution along the discharge edge, reducing space requirements and eliminating the need for manual adjustments, allowing for easier integration and operation of screening machines.
Implementation Method 1
vibrations of the conveyor chute excited by the vibration generator system have components in the longitudinal direction and in the transverse direction of the chute base and in a direction perpendicular to the chute base
Data Source
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AI summary
The invention relates to a supply device (1) for a screening machine (2), having a conveying channel (10) with a channel bottom (11), a feed region (15) and an ejection edge (14), and also a vibration transducer system (20) coupled to the conveying channel (10). The supply device (1) is characterized in that vibrations of the conveying channel (10) that are induced by the vibration transducer system (20) have components in the longitudinal direction (x) and in the transverse direction (y) of the channel bottom (11) and also in a direction (z) perpendicular to the channel bottom (11), wherein the components are phase-shifted with respect to one another in the longitudinal direction (x) and transverse direction (y).