Modular Image-Forming Frame Structure for Flexible Unit Assembly
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Solution Overview
Problem
Conventional image forming apparatuses face challenges in expanding functions and accommodating diverse user specifications due to their single main frame design, which limits unit replacement and increases development and manufacturing bottlenecks.
Innovation Solution
The image forming apparatus is configured with separable frames, allowing units like transfer units, conveyance rollers, and discharging units to be supported by different frames, enabling modular assembly and easy expansion of functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single main frame is constructed by integrating multiple sheet metals, then structural strength is improved, but adaptability and ease of unit replacement deteriorate
Solution Approach 1:
The main frame is divided into a first frame and a second frame that are separably connected. The first frame supports the transfer unit and conveyance roller, while the second frame supports the discharging unit. This segmentation allows individual frames or units to be replaced or modified independently, improving adaptability while maintaining overall structural strength through the connected frame design.
2Device complexity
If a single main frame is used to support all units, then device complexity is reduced, but productivity and assembly efficiency deteriorate
Solution Approach 1:
The frame structure is segmented into multiple separable frames, each supporting specific units. This allows parallel assembly of different frame-unit combinations and facilitates modular replacement of components, significantly improving assembly efficiency and productivity while maintaining manageable device complexity through standardized connection interfaces.
3Manufacturing precision
If units are integrated into a single main frame, then manufacturing precision is maintained, but ease of manufacture and customization deteriorate
Solution Approach 1:
The separable frame design allows different units to be manufactured independently with standardized mounting interfaces, easing manufacturing processes and enabling customization. The connection between the first and second frames maintains positioning accuracy through precise interface design, ensuring that manufacturing precision is preserved despite the modular approach.
Data Source
AI summary
An image forming apparatus configured to form a toner image on a recording medium includes a first frame, a conveyance roller configured to convey the recording medium, a transfer unit configured to transfer the toner image onto the recording medium, a second frame separably mounted to the first frame in a vertical direction, and a discharging unit configured to discharge the recording medium, which is conveyed from the first frame to the second frame, to an outside. At least part of the transfer unit and at least part of the conveyance roller are supported by the first frame. The discharging unit is supported by the second frame.