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Paper sheet stacking apparatus and image forming system

A paper and image technology, applied in the field of paper stacking devices and image forming systems, can solve problems such as poor downtime and achieve the effect of suppressing downtime

Active Publication Date: 2020-04-24
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to stop discharging paper from the time when the tray inside the device is delivered to the transport vehicle until the tray is returned to the inside of the device, which has the disadvantage of causing downtime.

Method used

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  • Paper sheet stacking apparatus and image forming system
  • Paper sheet stacking apparatus and image forming system
  • Paper sheet stacking apparatus and image forming system

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0066] figure 1 It is a front view schematically showing the structure of the image forming system of this embodiment. The image forming system of this embodiment has an image forming apparatus 1 and a paper stacking apparatus 2.

[0067] The image forming apparatus 1 is an electrophotographic image forming apparatus such as a copier, and forms an image on a paper P based on image data. The image forming apparatus 1 has a document reading device 5, a photoreceptor 11, a charging unit 12, an image exposure unit 13, a developing unit 14, a transfer unit 15A, a separation unit 15B, a cleaning device 16, a fixing device 18, and an image formation control unit 19. .

[0068] The document reading device 5 has an automatic document conveying unit which is arranged on the upper part of the housing of the image forming apparatus 1 and automatically moves the document when reading an image. The document reading device 5 reads an image formed on a document, and outputs a predetermined image...

no. 2 approach

[0112] Hereinafter, the image forming system of the second embodiment will be described. The image forming system of the second embodiment is different from the first embodiment in the structure of the sheet stacking device 2. The description of the content overlapping with the first embodiment will be omitted, and the description will focus on the difference below.

[0113] Image 6 It is an explanatory diagram showing the structure of the sheet stacking device 2 of the second embodiment. The paper stacking device 2 is a paper discharge section 20 (in Image 6 Omitted), the first pallet 21, the lifting device 24, the second pallet 25, the transport vehicle 40, and the stacking control unit 31 are mainly constituted. The structures of the paper ejection unit 20, the first tray 21, the lifting device 24, and the stack control unit 31 are the same as those of the first embodiment.

[0114] In this embodiment, the second tray 25 is mounted on the transport vehicle 40 housed in the d...

no. 3 approach

[0122] Hereinafter, the image forming system of the third embodiment will be described. The image forming system of the third embodiment is different from the first embodiment in the structure of the sheet stacking device 2. The description of the content overlapping with the first embodiment will be omitted below, and the description will focus on the difference below.

[0123] Figure 8 It is an explanatory diagram showing the structure of the sheet stacking device 2 of the third embodiment. The paper stacking device 2 is a paper discharge section 20 (in Figure 8 Omitted), the first tray 21, the lifting device 24, the plurality of second trays 25, the front and rear driving device 28, and the stacking control unit 31 are constituted by the main body. The structure of the paper discharge unit 20, the first tray 21, the lifting device 24, the front-rear driving device 28, and the stack control unit 31 is the same as that of the first embodiment.

[0124] In the present embodimen...

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Abstract

A paper sheet stacking apparatus and an image forming system are provided, which can suppress downtime. A first tray (21) and a second tray (25), as action states, have at least three operation states. Specifically, the first operation state in which the first tray (21) is positioned at a paper sheet stacking position in paper (P) discharged from a paper discharge unit (20), and the second tray (25) is at a position lower than the position of the first tray (21); a second operation state is a state in which the upper surface (25a) of the second tray (25) is higher than the upper surface (21a)of the first tray (21) so that the paper sheets stacked on the first tray (21) are deliverable to the second tray (25); and the third operation state is a state in which the first tray (21) that has delivered the paper sheets P to the second tray (25) is returned to the paper sheet stacking position.

Description

Technical field [0001] The invention relates to a paper stacking device and an image forming system. Background technique [0002] Heretofore, there has been known a paper stacking device that stacks a large number of papers supplied from outside the device. In this type of paper stacking device, a structure is known that includes a tray for stacking paper and a transport vehicle that can transport the paper to the outside of the device, and enables each tray to deliver the paper to the transport vehicle. According to this structure, when the paper is transported to the outside of the device by the transport vehicle, the paper can be delivered to the transport vehicle together with the tray, so that a large amount of stacked paper can be easily processed. [0003] For example, Patent Document 1 discloses a paper stacking device (sheet stacking device) that has: a tray lifting member; a tray mechanism that is detachably mounted on the tray lifting member, And stack paper (sheets) ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H31/30
CPCB65H31/30B65H2801/06B65H31/10B65H2405/15B65H2301/42252B65H2301/42256B65H31/24B65H31/3063B65H31/22B65H31/3054B65H2405/332B65H29/46
Inventor 片桐达矢
Owner KONICA MINOLTA INC
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