Multi-blade Dosing Valve Independent Vibrator Segmentation
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Solution Overview
Problem
Multi-blade dosing valves suffer from energy dispersion, leading to material bridges and reduced precision in dosage, along with high noise levels due to inefficient vibration distribution.
Innovation Solution
The implementation of an independent vibrator for each shaft and vibration damping bushings on the shafts to concentrate vibration energy on the blades, reducing noise and improving dosage precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single vibrator device is used to vibrate the entire valve body, then the structure is simple, but the vibration energy is dispersed and does not reach the blades effectively
Solution Approach 1:
The patent divides the single vibrator device into multiple independent vibrators, with each vibrator assigned to a specific shaft and blade assembly. This segmentation allows vibration energy to be concentrated where needed (at the blades) rather than dispersed throughout the entire valve body, thereby improving dosage precision while maintaining reasonable structural complexity
Solution Approach 2:
The patent applies vibration locally at the blade level rather than globally across the entire valve body. Each vibrator is positioned to vibrate only its associated shaft and blade, creating localized vibration quality that directly prevents material bridging at the critical dosing point without wasting energy on non-essential areas
2Productivity
If the entire valve body is set in vibration, then material discharge is improved, but noise level increases significantly
Solution Approach 1:
By segmenting the vibration source into multiple small vibrators distributed around the valve, the patent localizes the noise generation to specific points rather than creating a large noise source from a single full-body vibrator. This segmentation of vibration sources reduces overall noise propagation while maintaining discharge efficiency
Solution Approach 2:
The patent creates local vibration quality at the blade level where it is needed for material discharge, rather than globally vibrating the entire valve body. This localized approach maintains productivity by ensuring proper material flow at the dosing point while minimizing noise generation in the surrounding work environment
3Ease of manufacture
If vibration energy is dispersed in the valve body, then the structure is simple to manufacture, but material bridges form between blades
Solution Approach 1:
The patent segments the vibration function to be applied directly at each blade assembly rather than relying on diffuse vibration through the valve body. This ensures that each blade receives sufficient vibration energy to prevent material bridging and maintain continuous material flow, improving reliability without significantly complicating the manufacturing process
Solution Approach 2:
The patent applies vibration locally at the blade level where material flow occurs, ensuring that the critical area for preventing material bridges receives adequate vibration energy. This localized quality of vibration directly addresses the material flow continuity issue while keeping the overall structure relatively simple to manufacture
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
This solution prevents material bridges and significantly reduces noise while enhancing the precision and efficiency of material discharge by focusing vibration energy on the necessary components.
Implementation Method 1
vibrators to set in vibration shafts and blades
Implementation Method 2
a vibration damping bushing on each shaft
Data Source
AI summary
A multi-blade dosing valve comprising the following elements:a valve body provided with a central opening;a plurality of shafts, each provided with a respective blade, which extend transversely to the central opening; the blades being able to close, at least partially, the central opening;a motor unit which causes the opening/closing of the blades; andvibrators to set in vibration the shafts and the blades. The multi-blade dosing valve comprises an independent vibrator for each shaft.