Modular Blower Unit With Reversible Coupling for Pneumatic Mixers
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Solution Overview
Problem
Pneumatic mixing apparatuses face challenges in quickly adapting to different operating conditions and repairing components due to complex integration of hopper, blower units, and actuators, requiring specialized skills and involving laborious replacement of entire parts, which limits versatility and effectiveness.
Innovation Solution
A blower unit design with modular components, including a hollow element, shutter, and actuator, allowing for reversible connections and easy replacement of parts, enabling adjustment of flow characteristics and operation without specialized personnel, using removable connecting members and adjustable shutters to optimize airflow for different materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the hopper, blower units, and actuators are integrated as a complex unified structure, then the structural strength and stability are improved, but the ease of repair and adaptability deteriorate due to the inability to quickly replace individual components
Solution Approach 1:
The blower unit is divided into separable modular components including the hollow element, shutter, actuator, and connecting members. Each component can be independently removed and replaced without affecting the entire structure, enabling easy repair and adaptation while maintaining structural integrity during operation
2Adaptability or versatility
If the entire blower assembly is replaced to adapt to different operating conditions, then the flow characteristics can be optimized, but the loss of time and productivity deteriorate due to complex replacement procedures
Solution Approach 1:
The blower unit is segmented into independent replaceable components such as the hollow element, shutter, and actuator. This allows users to replace only the specific component needed to adapt to different operating conditions rather than the entire assembly, significantly reducing adaptation time
Solution Approach 2:
The modular components are designed with universal connecting members that allow the same base structure to accommodate different hollow elements, shutters, and actuators. This enables a single base unit to be adapted for multiple different mixing applications by simply swapping components
3Manufacturing precision
If specialized personnel are required for component replacement and regulation, then the manufacturing precision and reliability are maintained, but the ease of operation deteriorates due to restricted access for regular users
Solution Approach 1:
The modular design with standardized connecting members allows components to be replaced through simple connection and disconnection operations that do not require specialized skills. Regular users can perform maintenance and adaptations themselves while precision components maintain their manufacturing accuracy
Solution Approach 2:
The simplified modular design enables end-users to perform their own maintenance, component replacement, and regulation without requiring specialized external personnel. The self-service capability is achieved through intuitive connecting members and replaceable components that can be handled by regular users
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
Enhances the versatility of pneumatic mixing apparatuses by reducing machine downtime, enabling users to perform adaptations with internal resources, and simplifying the process of replacing or repairing components, thus improving the efficiency and adaptability of the mixing process.
Implementation Method 1
an actuator (4) connected to the shutter (3) to move it, i.e. to regulate the maximum travel thereof
Implementation Method 2
fed by one or more pressurized air ducts (B)
Implementation Method 3
The mixing action is caused by impulsive airflows inside the hopper generated by the synergistic action of the pressurised air source and the blower units
Data Source
AI summary
A blower unit for pneumatic mixers, comprising: a hollow element internally defining a duct, extending between an input section and an output section, for the passage of an air flow between said sections, wherein said input section can be connected to a source of pressurised air and said output section can be connected to a manifold of a pneumatic mixer; a shutter suitable to shut off said airflow through said output section in a controlled manner; an actuator connected to the shutter and configured to regulate the position of the shutter; the hollow element has a first end portion, at said output section, that can be reversibly coupled to a corresponding end portion of the manifold and wherein the blower unit further comprises first reversible connecting means to establish a reciprocal connection between the end portions.