Swingable Dust Container for Register Roller Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In image forming apparatuses, the dust removal system faces challenges in maintaining effective dust removal and collection due to the slidable register rollers, which can lead to improper positioning of the scraper and leakage of dust outside the system, especially when handling sheets of varying sizes and thicknesses.
Innovation Solution
The apparatus includes a pair of register rollers with a driving roller and a dust remover roller, a scraper, a dust container box, a roller bearing, and a frame that allows the dust remover roller to be rotatably supported and slidable, ensuring effective dust removal and collection by maintaining consistent contact between the scraper and the dust remover roller, and containing the dust within the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the dust remover roller is made slidable with respect to the driving roller to accommodate various sheet sizes and thicknesses, then the adaptability of the register rollers is improved, but the positional relationship between the dust remover roller and the scraper changes, causing the scraper to fail in effectively scraping dust and allowing dust to fall outside the dust removal system
Solution Approach 1:
The dust container box is designed to be swingable about a swing axis, allowing it to dynamically adjust its position as the dust remover roller moves in the in-axes direction. This dynamic adjustment maintains the proper positional relationship between the scraper and the dust remover roller, ensuring effective dust scraping while accommodating various sheet sizes and thicknesses.
Solution Approach 2:
The dust container box is divided into a main body and a swingable portion, with the swingable portion connected via a swing axis. This segmentation allows the dust container box to independently adjust its position without affecting the overall structure, maintaining dust containment effectiveness while the dust remover roller slides to accommodate different sheet dimensions.
2Device complexity
If the dust container box is fixed, then the structure is simple, but the dust scraped off from the dust remover roller cannot be properly contained when the roller position changes
Solution Approach 1:
The dust container box is designed with a swingable portion that can move dynamically in response to the dust remover roller's position changes. This dynamic capability ensures that the dust container box maintains proper alignment with the scraper and dust remover roller, preventing dust leakage while keeping the overall structure relatively simple through the use of a single swing axis mechanism.
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
This configuration ensures proper sheet conveyance and effective dust removal, maintaining sheet-conveying accuracy and preventing dust leakage, even with sheets of different sizes and thicknesses, by ensuring consistent contact and containment of dust.
Implementation Method 1
a roller bearing, which is configured to penetrate the lateral plate and attached to the lateral plate to be immovable with respect to the lateral plate in the direction of rotation axis of the dust remover roller and configured to rotatably support the dust remover roller within the dust container box
Implementation Method 2
a dust scraper, which is arranged to face and to be in contact with the circumferential surface of the dust remover roller to scrape off the dust from the circumferential surface of the dust remover
Data Source
AI summary
An image forming apparatus is provided. The image forming apparatus includes a pair of register rollers including a driving roller and a dust remover roller, a dust scraper to scrape off dust from the dust remover roller, a dust container box, including a lateral plate and a protrusion, to contain the dust scraped off from the dust remover roller, a roller bearing attached to the lateral plate to be immovable and to rotatably support the dust remover roller, a scraper support swingably supported by the dust container box and to support the dust scraper, and a frame to swingably support the dust container box via a protrusion support, to rotatably support the driving roller, while a rotation axis of the driving roller is fixed to the frame, and to support the roller bearing to be slidable in an in-axes direction between the driving roller and the dust remover roller.