Polygonal Charging Barrel for Plastic Particle Drying
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Solution Overview
Problem
Existing plastic particle drying machines face challenges with poor material overturning effects, complex manufacturing and internal wiring, and material adhesion issues due to their cylindrical design and motor-driven components.
Innovation Solution
A polygonal charging barrel with a feeding end opening and a discharge hole in the side wall, featuring material overturning structures and a spiral discharging guide plate, simplifies the design, enhances material overturning, and reduces adhesion and leakage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a cylindrical charging barrel is used with material overturning plates, then material overturning effect is improved, but manufacturing difficulty and device complexity increase
Solution Approach 1:
The charging barrel is segmented into a polygonal cross-section with multiple plate surfaces instead of a continuous cylindrical surface. This segmentation creates natural edges and angles that enhance material overturning during rotation without requiring additional overturning plates, thus improving productivity while maintaining manufacturing simplicity.
Solution Approach 2:
The charging barrel employs an asymmetric polygonal geometry with varying plate surface areas and angles. The non-uniform distribution of plate surfaces creates differential material flow patterns during rotation, enhancing overturning effectiveness while avoiding the complexity of adding mechanical overturning devices.
2Ease of operation
If a motor is mounted on the rotating charging barrel to drive the cover plate, then discharge hole control is improved, but internal wiring complexity and safety hazards increase
Solution Approach 1:
The motor is extracted from the rotating charging barrel and relocated to the stationary housing. The motor drives the charging barrel through an external transmission mechanism, eliminating the need for internal wiring on the rotating component and reducing safety hazards while maintaining discharge hole control functionality.
Solution Approach 2:
An intermediary transmission mechanism (such as gears, belts, or chains) is introduced between the stationary motor and the rotating charging barrel. This intermediary transfers rotational power across the stationary-rotating interface, enabling discharge hole control without requiring direct motor mounting on the rotating barrel.
3Productivity
If infrared lamp tubes are used for heating, then drying efficiency is improved, but material adhesion to the lamp box increases
Solution Approach 1:
The polygonal charging barrel design converts the potential harm of material adhesion into a benefit by creating multiple plate surfaces at different angles. Materials adhering to one plate surface are automatically redistributed to other surfaces during rotation, preventing localized buildup and maintaining drying efficiency.
Solution Approach 2:
The charging barrel employs dynamic rotation to continuously change the orientation and position of plate surfaces relative to the infrared lamp tubes. This dynamic movement prevents materials from settling and adhering to the lamp box by constantly redistributing materials across different plate surfaces.
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 polygonal charging barrel design improves material overturning and discharging efficiency, reduces manufacturing complexity, and minimizes material adhesion and leakage, ensuring thorough discharge and safer operation.
Implementation Method 1
the applicant adopts an infrared short-wave lamp box as a heating source, plastic particles can be rapidly heated and dried
Data Source
AI summary
Disclosed is a charging barrel of an infrared dehumidification, crystallization and drying all-in-one machine and a drying machine. The cross section of the charging barrel is in the shape of a polygon, and the side number of the polygon is larger than the side number of a pentagon; an opening is formed in one end, as a feeding end, of the charging barrel; each plate surface forming the polygonal charging barrel comprises a middle plate part, as well as a first closing-up plate part and a second closing-up plate part which are arranged at the two ends of the middle plate part; the first closing-up plate part and the second closing-up plate part form obtuse angles with the middle plate part and are closed up towards the middle; a discharge hole is formed in the side wall of the charging barrel.