Paper path switching mechanism

Abstract

The present invention relates to a paper path switching mechanism and an imaging system with the paper path switching mechanism. In the imaging system, one end of a driving shaft is provided with a circular disc with one or more than one gap; and the extension arm at the end opposite to the paper path switching shaft is arranged to lean against the periphery of the circular disc. When the drivingshaft drives the circular disc to rotate in different directions, the extension arm is allowed to enter the gap(s) on the circular disc and driven by the circular disc to be switched between the first position and the second position. When the extension arm is switched into different positions, a plurality of exchange grid gates on the switching shaft are also switched into different positions. Therefore, the moving path of the paper can be switched between the first path and the second path, thus the purpose of switching the paper path is achieved.

Description

technical field [0001] The invention relates to a path switching mechanism, in particular to a paper path switching mechanism actuated by roller rotation in a duplex printing / scanning business machine. Background technique [0002] With the trend of diversification and refinement of image or document output, more and more image systems integrate multiple functions such as photocopying, printing, scanning, and faxing. These imaging systems such as photocopiers, scanners, printers, facsimile machines or multifunctional business machines (multifunctional business machines) are currently equipped with automatic double-sided scanning (input) or printing (output) functions (hereinafter referred to as "automatic double-sided output"). As outlined in "Input Device", it provides a more efficient document processing speed for documents with double-sided input or output requirements without the need for users to manually change sides. [0003] At present, there are many different type...

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Problems solved by technology

In addition, since the image system usually has multiple sets of closely matched gear sets, motors, and idler wheels to form the paper feeding stroke, the moving stroke of the image input and output core components, the paper output stroke, and the paper path switching stroke, there are some other phenomena. There are technologies that use the combined design of multiple sets of mechanisms to achieve the purpose of paper path switching. For example, the US Patent No. 6,307,614 must use two sets of different gates with idler wheels to drive the path switching.

[0004] However, for the existing electromechanical control paper path switching mechanism, additional electronic components (such as solenoid valves, sensors and corresponding logic control units) and more than one set of control gates must be added, which increases the cost of the design and complexity, and electronic components are highly sensitive components compared to mechanical components, which are prone to maintenance problems

In addition, for the existing paper path switching mechanism through gears, gates, and idlers, multiple sets of mechanisms also have the problem of increased design cost and complexity, and more mechanical components also mean that the imaging system is in the process of operation. High operating noise will be generated in

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