Separable Toner Processing Member for Wear Reduction
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Solution Overview
Problem
Existing toner processing apparatuses face issues with wear deterioration and maintainability due to high mechanical loads, leading to image defects and productivity losses, especially when using abrasive particles or high-speed rotational members.
Innovation Solution
A toner processing apparatus with a rotating member that has a separable processing portion and main portion, where the processing member protrudes radially and fits with projecting parts, allowing for efficient replacement and reducing detachment and deformation, thereby enhancing durability and economic efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rotating member is used with high rotational speed or large amount of additive, then the external addition treatment efficiency is improved, but the wear deterioration of the rotating member is accelerated
Solution Approach 1:
The rotating member is divided into a rotating member main portion and a separable processing portion. The processing portion can be detached and replaced independently when worn, while the main portion remains intact. This segmentation allows frequent replacement of the wear-prone processing portion without replacing the entire rotating member, thereby maintaining high productivity while improving overall system reliability and reducing downtime.
2Reliability
If the entire rotating member is replaced when the processing portion wears down, then the processing portion is renewed, but the equipment stoppage time increases and economic efficiency decreases
Solution Approach 1:
By segmenting the rotating member into a main portion and a processing portion that can be independently replaced, the invention enables maintenance of only the worn processing portion. This selective replacement significantly reduces equipment stoppage time compared to replacing the entire rotating member, while ensuring the processing portion is always in optimal condition for reliable operation.
3Ease of repair
If the processing portion is made separable, then the maintainability is improved, but the device complexity increases
Solution Approach 1:
The rotating member is segmented into a main portion and a processing portion connected through a fitting structure. This segmentation improves maintainability by allowing independent replacement of the processing portion. The added complexity is minimal and localized to the connection interface, while the overall structure remains simple and effective.
Solution Approach 2:
The fitting structure with projecting parts and grooves is implemented only at the connection interface between the main portion and processing portion, not throughout the entire rotating member. This localized complexity approach provides the necessary separability for easy maintenance while keeping the rest of the structure simple and avoiding unnecessary complexity.
4Strength
If the processing portion protrudes radially outward, then the collision effect with the object to be processed is enhanced, but the detachment risk increases
Solution Approach 1:
The processing portion protrudes radially outward at the collision point to enhance the collision effect with the object to be processed. The fitting structure with projecting parts and grooves is implemented locally at the connection interface to secure the processing portion. This localized approach provides both enhanced collision capability and secure attachment, preventing detachment while maintaining the desired protruding geometry for effective processing.
Data Source
AI summary
A toner processing apparatus for processing an object comprising a toner particle and an external additive, the toner processing apparatus comprising: a processing chamber in which the object is accommodated; a drive shaft rotatably provided at a bottom of the processing chamber; and a rotating member pivotally supported on the drive shaft; wherein the rotating member comprises a rotating member body; and a protruding portion protruding from an outer peripheral portion of the rotating member body, outward in a radial direction; the rotating member comprises a processing member processing the object by colliding at the protruding portion; the processing member constitutes a part or an entirety of the protruding portion; the rotating member body and the processing member can be separated; the rotating member body comprises a projecting parts protruding in a direction in which the rotating member rotates; and the processing member fits with the projecting parts.