Sheet Sorting Apparatus Tray Reattachment Logic
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Solution Overview
Problem
Conventional sheet sorting apparatuses face issues in maintaining page order when a detachable discharge tray is reattached during the sorting process, leading to improper discharge of sheets onto different trays, which disrupts the maintenance of page order and causes maintenance challenges.
Innovation Solution
A sheet sorting apparatus with a first detachable tray, a second tray positioned below, and a control unit that detects the reattachment of the first tray, allowing the discharge unit to select the correct discharge destination for subsequent sheets to maintain page order by adjusting the discharge port accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the first tray is detached to increase sheet stacking space of the second tray, then the sheet stacking space is increased, but the page order of sheets may be disrupted when the first tray is reattached during sorting
Solution Approach 1:
The tray detecting unit continuously monitors the attachment state of the first tray and provides feedback to the control unit. When the first tray is reattached during sorting, the control unit receives this feedback and adjusts the discharge port selection accordingly, ensuring that sheets are discharged to the correct tray to maintain page order.
Solution Approach 2:
The discharge port selection is made dynamic rather than fixed. The control unit can switch between discharging to the first discharge port (when first tray is attached) and the second discharge port (when first tray is detached or during specific sorting phases), allowing the system to adapt to changing tray configurations while maintaining reliable sheet sorting.
2Ease of operation
If the discharge port is changed when the first tray is reattached, then sheets can be discharged to the correct tray, but sheets belonging to one job may be stacked on different trays disrupting page order
Solution Approach 1:
The control unit detects the attachment state of the first tray in advance and proactively adjusts the discharge port selection before sheets are discharged. This preliminary detection and adjustment prevent the problem of sheets being discharged to wrong trays, ensuring that all sheets belonging to one job are stacked on the same tray to maintain page order.
3Adaptability or versatility
If the first tray is reattached during sheet sorting to the second tray, then the tray configuration is restored, but sheets may be improperly discharged to the first tray instead of the second tray
Solution Approach 1:
The tray detecting unit provides real-time feedback on the attachment state of the first tray to the control unit. This feedback mechanism ensures that when the first tray is reattached during sorting, the control unit immediately adjusts the discharge port selection to maintain sheet discharge accuracy and prevent improper discharge to the first tray.
Solution Approach 2:
The system automatically detects and responds to tray attachment changes without requiring external intervention. The tray detecting unit and control unit work together to self-adjust the discharge port selection, ensuring reliable sheet discharge accuracy while maintaining the flexibility to accommodate tray configuration changes.
Data Source
AI summary
A sheet sorting apparatus includes a second tray arranged below a first tray detachable from a main body having a first discharge port corresponding to the first tray and a second discharge port corresponding to the second tray, a discharge unit, a tray detecting unit, and a control unit. The discharge unit discharges a sheet toward the first or second discharge port. In a state that the first tray is detached from the main body and the discharge unit discharges sheets from the first discharge port to the second tray and then the first tray is detected as attached to the main body, the control unit selects a discharge destination of a second sheet, subsequent to a first sheet discharged and stacked first after the first tray is attached to the main body, such that the second sheet is stacked on a tray having the first sheet thereon.