juicer
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Solution Overview
Problem
Conventional juicers destroy the unique taste and nutrients of materials during high-speed processing, struggle with extracting juice from vegetables with stems or leaves, and are unable to process high-viscosity fruits like kiwis and strawberries, as well as soy milk from soybeans.
Innovation Solution
A juice extractor with a hopper-mounted cutting part that includes a spiral chopping blade and horizontal slicing blade, allowing for pre-cutting of materials before they enter the juice extracting drum, enhancing user convenience and accommodating larger items without pre-cutting requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If material is fed directly into the juice extracting drum without pre-cutting, then user convenience is improved, but the screw size and inlet size require reduction to accommodate smaller materials
Solution Approach 1:
The device is divided into two functional sections: a hopper with cutting part for pre-processing materials, and a juice extracting drum for extraction. This segmentation allows the system to handle various material sizes while maintaining efficient extraction capability.
Solution Approach 2:
The cutting part performs preliminary cutting action on materials before they enter the juice extracting drum. This pre-processing step converts various sized materials into uniformly small pieces, enabling the drum to process materials efficiently without requiring size reduction of the drum itself.
2Productivity
If high-speed rotation is used for juice extraction, then extraction efficiency is improved, but the unique taste and nutrients of the material are destroyed
Solution Approach 1:
The cutting part performs preliminary cutting to reduce materials into small pieces before extraction. This pre-processing increases the surface area and facilitates juice extraction, allowing the use of lower rotation speeds that preserve nutrients and taste while maintaining efficient extraction.
3Stability of the object's composition
If the cutting part is supported on both upper and lower ends, then structural stability is improved, but cleaning accessibility is reduced
Solution Approach 1:
The cutting part is extracted from the hopper structure and made detachable. This allows the cutting part to be easily removed for cleaning without disassembling the entire hopper, combining cleaning accessibility with operational stability when assembled.
Solution Approach 2:
The cutting part transitions from a fixed supported structure to a detachable dynamic structure. When assembled, it provides stable cutting function; when detached, it enables easy cleaning access, adapting to different operational requirements.
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 allows for efficient juice extraction of various materials without pre-cutting, preserving nutrients and taste, while the dual structure of the cutting part and secure mounting design enhance durability and ease of cleaning.
Implementation Method 1
a cutting part for cutting a material for juice extraction beforehand by rotation inside a hopper above a screw
Implementation Method 2
using a method of compressing and crushing the material between a mandrel and a screw rotating at a low speed
Implementation Method 3
making soy milk using the principle of grinding beans and then pressing and squeezing them out
Implementation Method 4
juice is made by centrifugation
Data Source
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AI summary
The present disclosure relates to juice extractor comprising a cutting part for cutting a material for juice extraction beforehand by rotation above a screw, wherein the cutting part is formed in a dual structure of a core body and an outer shell covering the outer side of the core body with a material different from the core body.