Mill, milling machine, and beverage preparation apparatus
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Solution Overview
Problem
Existing milling machines face challenges in efficiently radiating friction heat generated during the grinding process, leading to flavor loss in grated materials, and struggle with static electricity issues, resulting in bulky designs and inadequate powder quality.
Innovation Solution
Incorporating a heat radiation mechanism with projection and recess portions on the milling machine's surfaces and through holes to enhance thermal conductivity and prevent static electricity, allowing for efficient heat dissipation and improved powder quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a separate cooling apparatus is provided around the mill, then friction heat can be radiated, but the milling machine becomes bulky
Solution Approach 1:
The cooling function is merged into the mill structure itself by forming heat radiation grooves directly on the surface of the mill. This integrates the cooling mechanism with the grinding component, eliminating the need for separate cooling apparatus and reducing overall device complexity while maintaining effective friction heat radiation
Solution Approach 2:
Heat radiation grooves are provided locally on specific surfaces of the mill where heat generation occurs during grinding. This localized approach targets the heat radiation function to the areas where it is most needed, improving thermal management efficiency without requiring comprehensive cooling of the entire device
2Productivity
If the mill rotates at high speed to increase productivity, then more powders can be produced, but friction heat increases causing flavor loss
Solution Approach 1:
The heat radiation grooves are pre-formed on the mill surface before operation begins. This preliminary structural preparation ensures that heat dissipation pathways are already in place when high-speed grinding starts, allowing the mill to maintain high rotational speeds for increased productivity without suffering from excessive heat buildup that would cause flavor loss
3Object-generated harmful factors
If a conductive passage wall with grounding means is used, then static electricity is removed, but the device complexity increases
Solution Approach 1:
The mill structure itself serves the dual function of both grinding and static electricity discharge. By forming heat radiation grooves on the mill surface, the structure provides inherent pathways that facilitate both thermal management and electrostatic discharge, allowing the system to remove static electricity without requiring additional grounding apparatus or increasing device complexity
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 effectively suppresses temperature increases, reduces static electricity, and enables the production of fine, uniformly sized powders without the need for additional cooling apparatus, resulting in a more compact and efficient milling process.
Implementation Method 1
radiates friction heat generated as a result of rotation of the first mill and the second mill relative to each other
Implementation Method 2
heat radiation mechanism which is provided in at least one of the first mill and the second mill and radiates friction heat
Implementation Method 3
heat radiation mechanism...radiates friction heat generated
Data Source
AI summary
A mill includes a first mill having a first grinding region, a second mill having a second grinding region opposed to the first grinding region and provided to be rotatable relatively to the first mill, and a heat radiation mechanism which is provided in at least one of the first mill and the second mill and radiates friction heat generated as a result of rotation of the first mill and the second mill relative to each other, and the heat radiation mechanism is provided in a portion except for the first grinding region and the second grinding region.