JP2018184303A5

JP2018184303A5 -

Info

Publication number: JP2018184303A5
Application number: JP2018162292A
Authority: JP
Filing date: 2018-08-31
Publication date: 2019-01-10
Anticipated expiration: 2034-04-23

Description

本発明に係る後処理装置は、これにより、第１集積部には滞留シートが短時間で集積され、第２集積部には滞留シートが短時間で集積されると共に、集積順序が狂うおそれがない移送を実現したのである。 In the post-processing apparatus according to the present invention, the staying sheets are stacked in the first stacking unit in a short time, and the staying sheets are stacked in the second stacking unit in a short time, and the stacking order may be out of order. No transfer was realized.

Claims

A loading port for receiving sheets;
A path for guiding a sheet received from the inlet port toward the first sheet discharge port, through the branch portion branched from the path, the second sheet discharge port that is different from the first sheet discharge port A conveyance path having a branch path for guiding the sheet received from the carry-in entrance
A first pair of paper discharge rollers provided in the path between the branch portion and the first paper discharge port, and conveying a sheet toward the first paper discharge port ;
A second pair of paper discharge rollers provided in the branch path and transporting a sheet toward the second paper discharge port ;
A first stacking unit that stacks sheets conveyed by the first discharge roller pair;
A second stacking unit configured to stack sheets conveyed by the second discharge roller pair;
Wherein the said first sheet discharge roller pair with a portion the sheet accepted from the inlet port at least one of the second discharge roller pair together is retained by pressure contact of the conveying path, said first sheet discharge roller pair And a buffer unit capable of stacking a staying sheet retained using the second pair of paper discharge rollers and a subsequent sheet received from the carry-in port in a bundle ,
Wherein the residence when you convey a sheet to the first stacker, and conveying the plurality of sheets in the bundle of the first sheet discharge roller pair to the first stacking unit including the retention sheet,
Wherein the when you convey the retention sheet to the second stacking unit, the retention sheet and the succeeding sheet the first sheet discharge roller pair so as to convey to the second stacking unit one by one from said second sheet discharge roller pair And a control means for controlling the second paper discharge roller pair.

The buffer unit includes a first buffer region for retaining sheets conveyed to the first stacking unit in the transport path, and a second buffer region for retaining sheets transported to the second stacking unit. The post-processing apparatus according to claim 1, wherein one buffer area and the second buffer area partially overlap each other .

A third discharge unit positioned between the second paper discharge roller pair and the second stacking unit and transporting the sheet conveyed by the second paper discharge roller pair from the second paper discharge port to the second stacking unit. A paper roller pair;
When the staying sheet is conveyed to the first stacking unit, the control unit presses and holds the sheet with at least the second discharge roller pair of the first discharge roller pair and the second discharge roller pair. The first sheet discharge roller pair and the second sheet discharge roller pair convey a plurality of sheets including the stay sheet in a bundle, and convey the stay sheet to the second stacking unit. The first discharge roller pair and the second discharge roller pair, and at least the first discharge roller pair retains the sheet by pressing and holding the first discharge roller pair, in order to convey the residence sheet in the second sheet discharge roller pair and the third discharge roller pair, the first discharge roller pair, claim 1 for controlling the second discharge roller pair, and the third discharge roller pair or The post-processing apparatus according to 2 .

When the staying sheet is transported to the first stacking unit, the control means includes at least the second transport roller pair of the first transport roller pair and the second transport roller pair excluding the third roller pair. When the sheet is held in pressure contact and the staying sheet is conveyed to the second stacking unit, at least the first conveyance roller of the first conveyance roller pair and the second conveyance roller pair excluding the third conveyance roller pair. The post-processing apparatus according to claim 3, wherein the first conveyance roller pair, the second conveyance roller pair, and the third roller pair are controlled so as to hold the sheet in pressure contact with each other.

When the buffer unit conveys the staying sheet to the first stacking unit,
5. The post-processing apparatus according to claim 1, wherein a plurality of sheets including the staying sheets are stacked in a bundle by being stacked on top in the order received from the carry-in port.

The first paper discharge roller pair is configured to be pressed and separated .
Wherein, when transporting the stagnation Tomeshi over preparative the first stacker before SL, the first is pressed against the sheet discharge roller pair, when conveying the retained sheet to the second stacking unit, the first post-processing apparatus according to claim 1 to 5 for controlling the first conveying roller pair in order to separate the 1 pair of sheet discharging rollers.

An image forming apparatus for forming an image on a sheet;
A post-processing device for post-processing a sheet sent from the image forming device;
Consisting of
The post-processing apparatus, an image forming system, which is a post-processing apparatus according to any one of claims 1 to 6.