Sheet Manufacturing With Detachable Powder Containers
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Solution Overview
Problem
Existing sheet manufacturing apparatuses, such as toner bottles, have complex structures due to their multiple functions, leading to inefficiencies and complications.
Innovation Solution
A sheet manufacturing apparatus with a powdered-and-granular-material supply unit that includes a detachable container, a tank, and a screw for conveying materials, along with units for mixing, deposition, and forming, to produce sheets from scrap paper.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a toner bottle is designed with various functions, then it can supply powdered and granular material, but the structure becomes relatively complicated
Solution Approach 1:
The apparatus is divided into distinct functional modules: a holding unit for container storage, a powdered-and-granular-material supply unit for material discharge, a mixing unit for combining fibers with powdered material, a deposition unit for forming the web, and a forming unit for compressing the sheet. Each module performs a specific function independently, reducing overall structural complexity while maintaining versatility.
Solution Approach 2:
The holding unit serves multiple purposes: it stores containers, facilitates their detachment and attachment, and provides structural support for the powdered-and-granular-material supply unit. This multi-functionality reduces the need for separate components, thereby simplifying the overall structure while maintaining adaptability.
2Ease of operation
If a detachable container system is used, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The container is designed as a detachable component that can be easily removed from the holding unit. This extraction principle allows for simple container replacement without affecting the main apparatus structure, improving ease of operation while keeping the holding unit design relatively simple.
3Productivity
If a screw conveyor is used, then material conveying efficiency is improved, but device complexity increases
Solution Approach 1:
The screw conveyor uses a rotational screw mechanism to convey powdered and granular material, replacing more complex mechanical lifting or transport systems. This substitution improves conveying efficiency while keeping the overall structure relatively simple and maintainable.
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 apparatus efficiently produces sheets by discharging, conveying, mixing, and compressing materials to form a web, addressing the complexity issues of previous designs and enhancing production efficiency.
Implementation Method 1
a screw that conveys the powdered and granular material in the powdered-and-granular-material tank outward from the powdered-and-granular-material supply unit
Implementation Method 2
a mixing unit that mixes fibers and the supplied powdered and granular material to form a mixture
Implementation Method 3
a deposition unit that deposits the mixture to form a web
Implementation Method 4
a forming unit that compresses the web to form the web into a sheet
Data Source
AI summary
A sheet manufacturing apparatus includes: a powdered-and-granular-material supply unit that supplies powdered and granular material; and a forming unit that forms a sheet from fibers and the supplied powdered and granular material, and the powdered-and-granular-material supply unit includes a motor, a holding unit that detachably holds a container configured to store the powdered and granular material, a powdered-and-granular-material tank that receives the powdered and granular material discharged from the container by the motor, and a screw that conveys the powdered and granular material in the powdered-and-granular-material tank outward from the powdered-and-granular-material supply unit.