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Sheet discharge device and image forming apparatus including the sheet discharge device

A discharge device and thin sheet technology, which is applied in the direction of stacking receiving device, thin material processing, transportation and packaging, etc., can solve the problems of damaged sheet, residue, etc., and achieve the effect of improving alignment

Active Publication Date: 2017-12-05
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the protrusion protrudes in the radial direction from the outer peripheral surface of the lower roller forming the nip, when the sheet passes through the nip of the discharge roller, the protrusion damages the sheet, and also causes traces of the protrusion to remain on the formed surface. Disadvantages of images on sheets

Method used

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  • Sheet discharge device and image forming apparatus including the sheet discharge device
  • Sheet discharge device and image forming apparatus including the sheet discharge device
  • Sheet discharge device and image forming apparatus including the sheet discharge device

Examples

Experimental program
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Effect test

Embodiment Construction

[0017] Embodiments of the present invention will be described below with reference to the drawings. figure 1 It is a side sectional view showing the internal structure of the image forming apparatus 100 equipped with the sheet discharge device 30 of the present invention. An image forming unit P is arranged in the image forming apparatus (for example, a monochrome printer) 100 to form a monochrome image through the steps of charging, exposure, development, and transfer. The image forming portion P is positioned along the rotation direction of the photosensitive drum 5 ( figure 1 clockwise) are arranged with a charging unit 4, an exposure unit (laser scanning unit, etc.) 7, a developing unit 8, a transfer roller 14, a cleaning device 19, and a charge removing device (not shown).

[0018] During the image forming operation, the photosensitive drum 5 rotating in the clockwise direction is uniformly charged by the charging unit 4, and an electrostatic latent image is formed on th...

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PUM

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Abstract

The present invention provides a sheet discharge device including a discharge port, a discharge tray, a discharge roller, a kick roller, a sheet pressing member, and a pressing rib, and an image forming apparatus including the same. The discharge roller is composed of a first roller and a second roller. The kicking wheel is formed coaxially with the rotation axis of the first roller, spaced apart from the end of the first roller, and has an outer peripheral edge and a plurality of protrusions protruding from the outer peripheral edge. The sheet pressing member is supported by a swing shaft provided downstream of the discharge roller with respect to the sheet discharge direction, and is capable of swinging in the sheet discharge direction. The pressing rib protrudes from a surface facing the discharge roller of the sheet pressing member, and is arranged at a position overlapping the kicking wheel in the swing axis axial direction as viewed from the sheet discharging direction.

Description

technical field [0001] The present invention relates to a sheet discharge device that discharges a sheet-like recording medium such as paper, and an image forming apparatus including the sheet discharge device, which is applied to copiers, printers, facsimile machines, and digital composites having these functions. machine etc. Background technique [0002] The image forming apparatus is provided with discharge rollers for discharging a sheet (paper) on which an image has been formed by an image forming section. The sheet conveyed from the upstream side of the discharge roller is sent out onto the discharge tray by the discharge roller. When the sheet is sent out to the discharge tray by the discharge roller, there may be a disadvantage that the rear end of the sheet remains on the roller below the discharge roller. [0003] In order to solve this disadvantage, there is a method in which a protrusion is provided on the lower side of the discharge roller, and the rear end o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H29/22G03G15/00
CPCB65H29/52B65H31/02B65H43/06B65H2301/4212B65H2301/4421B65H2404/1115B65H2404/5214B65H2404/63B65H2801/06B65H2701/1313G03G15/6573B65H29/14G03G15/6552G03G2215/00911B65H29/20B65H29/22B65H29/70
Inventor 多原光宏
Owner KYOCERA DOCUMENT SOLUTIONS INC