Sheet Transport Switching with a Shared Guide Drive
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Solution Overview
Problem
Existing sheet processing units face complexity and inefficiency in switching the transport destination of sheets between postprocessing devices and sorting devices, often requiring dedicated drive mechanisms for each switch guide, leading to increased costs and complexity.
Innovation Solution
A unified guide drive device is used to switch between postprocessing and sorting destinations by interlocking force receiving members and guide members on rotary shafts, driven by a single motor, simplifying the structure and reducing the need for dedicated drive sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated drive mechanisms are provided for each switch guide, then the switching function is reliable, but the device complexity and cost increase
Solution Approach 1:
The patent combines multiple dedicated drive mechanisms into a single shared drive device. The guide drive device includes a single motor that drives both the processing destination switch guide and the sorting destination switch guide through a common transmission mechanism, eliminating the need for separate motors and reducing overall system complexity while maintaining reliable switching functionality.
Solution Approach 2:
The single guide drive device is designed to perform multiple functions by controlling different switch guides. The drive device can selectively switch between driving the processing destination switch guide and the sorting destination switch guide, making one drive mechanism universal for multiple switching operations, thereby reducing device complexity and cost.
2Ease of operation
If multiple dedicated motors are used for each switch guide, then the switching operation is precise, but the cost and device complexity increase
Solution Approach 1:
The patent merges multiple motor-driven systems into a single motor system with a unified drive device. The guide drive device uses one motor connected to a transmission mechanism that can distribute power to different switch guides as needed, reducing the number of drive sources from multiple to one while preserving precise switching control through the transmission mechanism.
3Adaptability or versatility
If separate drive sources are provided for each switch guide, then the switching control is independent, but the structure becomes complex and costly
Solution Approach 1:
The guide drive device is designed as a universal drive system that can independently control multiple switch guides through a single motor. The transmission mechanism allows the drive device to selectively engage with different switch guides, providing independent control capability while using a unified drive structure, thus reducing complexity and cost.
Solution Approach 2:
The patent introduces a transmission mechanism as an intermediary between the single motor and the multiple switch guides. This intermediary component enables the single drive source to independently control different switch guides by selectively transmitting power, maintaining switching control independence without requiring multiple dedicated motors.
Data Source
AI summary
A sheet processing unit includes a postprocessing apparatus and a sorting device. The postprocessing apparatus performs postprocessing on a printed sheet. The sorting device is removably attached to the postprocessing apparatus, and sorts the printed sheet to a predetermined tray. The postprocessing apparatus includes a postprocessing device and a processing destination switch guide. The postprocessing device performs postprocessing on the sheet. The processing destination switch guide switches a destination of the sheet to be processed, between the postprocessing device and the sorting device. The sorting device includes a sorting destination switch guide and a guide drive device. The sorting destination switch guide switches the tray to which the sheet is to be sorted. The guide drive device drives the sorting destination switch guide. The guide drive device also drives the processing destination switch guide.