Post-processing apparatus and image forming system comprising the same
A post-processing device and follow-up technology, applied in the direction of thin material processing, stacking receiving device, transportation and packaging, etc., can solve problems such as a large number of paper jams, large paper thickness, and difficulty in smooth transportation of thin sheets
Active Publication Date: 2013-01-16
NISCA KK
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Problems solved by technology
In such a distorted device configuration, it is difficult to smoothly transport a sheet with a large paper thickness and a small friction coefficient, such as a color printed sheet.
As a result, problems such as enlargement of the device or occurrence of a large number of paper jams occur
Method used
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[0078] The present invention will be specifically described based on preferred embodiments shown below. 1 shows an overall configuration of an image forming system according to the present invention, FIG. 2 is an explanatory diagram showing an overall configuration of a post-processing device, and FIG. 3 is an explanatory diagram showing a detailed configuration of a sheet folding unit. Then, the image forming system shown in FIG. 1 is constituted by an image forming apparatus A and a post-processing apparatus B in which a sheet folding apparatus C is incorporated as a component.
[0079] (Configuration of Image Forming Apparatus)
[0080] The image forming apparatus A shown in FIG. 1 feeds a sheet from a paper feeding unit 1 to an image forming unit 2 , prints on the sheet by the image forming unit 2 , and then delivers the sheet from a main body paper discharge port 3 . In the paper feeding unit 1 , sheets of various sizes are accommodated in the paper feeding cassettes 1 a...
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A post-processing apparatus for transferring sheets from a sheet carry-in port to a first post-processing section and a second post-processing section to execute post-processing such as stapling and sheet folding on the sheets, includes a sheet carry-in path located in a substantially horizontal direction. The sheets fed to the carry-in port are sequentially transferred to a predetermined sheet discharging port. A first switchback conveying path branches off from the sheet carry-in path so as to reverse a sheet conveying direction. The first post-processing section connected to the first switchback conveying path executes the post-processing on the sheets. A second switchback conveying path branching off from between the carry-in port and sheet discharging port of the sheet carry-in path is upstream of the first switchback conveying path so as to reverse the sheet conveying direction. The second post-processing section is located downstream of the second switchback conveying path.
Description
technical field [0001] The present invention relates to a post-processing device for folding sheets sent out from an image forming apparatus such as a copying machine or a printer in half at a stapling or at a predetermined crease position. . Background technique [0002] In general, a post-processing device that aligns and binds sheets delivered from an image forming apparatus or folds them in half into a booklet is widely known. In order to post-process the sheets, these post-processing devices form the following device configuration, wherein there are a plurality of sheet stacking mechanisms. , Fold the stacked sheets in a booklet shape. [0003] For example, Patent Document 1 (Japanese Unexamined Patent Publication No. 2000-63031) discloses the following device configuration. In this apparatus configuration, sheets from the image forming apparatus are selectively sent out to the upper first sheet stacking mechanism and the lower second sheet stacking mechanism through...
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IPC IPC(8): B65H37/00B65H37/04B65H37/06B65H29/60B65H31/34G03G15/00
Inventor 深泽英次洼田一太朗松野健一
Owner NISCA KK