JPH11174759A - Ejected-sheet stacker and recorder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ejected-sheet stacker and recorder which can shred an unnecessary sheet as requested, thereby improving job efficiency. SOLUTION: Control can be exerted such that in the case that a remaining sheet in the device is detected by a sensor 10 at the time of the initial setting of the device such as the turning on of a power source, a recorder feed-roller 13, a recorder carrying-roller 9, a recorder ejection-roller 3, a stacker feed-roller 11, and an inverting roller 6 are rotated, a carrying flapper 14 is turned toward a shredder 5, and the remaining sheet is shredded by the shredder 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a discharge sheet stacking apparatus for stacking discharge sheets,
For example, the present invention is applied to a recording apparatus that records an image on a sheet.

[0002]

2. Description of the Related Art Conventionally, as this type of recording apparatus,
For example, there are a copying machine, a printer, and a facsimile machine.

A copying machine generally has a function of reading an image of an original or the like and records an image on a sheet based on the read image information. Some copiers have a function of inputting image information to be sent.

[0004] A printer is generally an external device,
For example, an image is recorded on a sheet based on image information sent from an apparatus such as a computer, and a facsimile apparatus generally has a function of reading an image of a document,
Further, it has a communication function, sends read image information to the outside, and records an image on a sheet based on information sent from the outside.

[0005] These recording apparatuses are provided with a discharge sheet stacking apparatus for discharging and stacking sheets after recording.

In recent years, at the time of initial setting of the apparatus, for example, when the power of the recording apparatus is turned on, a function of detecting a residual sheet in the apparatus is provided. There is also a device for controlling automatic discharge to a sheet discharge portion of the device.

The provision of the automatic discharge function has been an effective means for reducing the burden on the user.

[0008]

However, although the automatic ejection function is provided as described above, the ejected sheets are usually unnecessary for the user.

Therefore, there remains a problem that it takes time to discard such a sheet.

Further, such unnecessary sheets are often left as they are in the sheet discharge section, and there is a problem in terms of confidentiality.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art. It is an object of the present invention to make it possible to cut an unnecessary sheet as needed, thereby improving the efficiency of a discharged sheet. It is to provide a loading device and a recording device.

[0012]

According to the present invention, there is provided a discharge sheet stacking apparatus provided with discharge means for discharging a sheet conveyed through a main conveyance path to a discharge sheet stacking section. An auxiliary conveyance path that branches from the main conveyance path, a switching unit that switches a sheet to be conveyed to the main conveyance path or the auxiliary conveyance path, and a cutting unit that cuts a sheet to be conveyed through the auxiliary conveyance path. Features.

Therefore, the sheet can be cut by the switching means by switching to the auxiliary conveyance path side by the switching means.

Conveying means for nipping and conveying the sheet in the auxiliary conveying path is provided, and the conveying means conveys the sheet sent to the auxiliary conveying path in the same direction and sends it to the cutting means, or It is preferable that it is possible to select whether the sheet to be fed to the path is once held by the conveying means and then sent out again from the rear end side of the sheet to the main conveying path to invert the sheet and discharge it to the discharge sheet stacking section.

It is preferable to provide a cutting-dedicated conveyance path which is guided from outside of the apparatus to the cutting means via the auxiliary conveyance path directly by hand.

The manual feeding side of the cutting-dedicated transport path may be opened at the top of the apparatus, and a lid may be provided to open and close the opening.

It is preferable that the distance from the holding section by the conveying means to the cutting section by the cutting means is set to be longer than the maximum length of a sheet that can be conveyed.

Before the sheet is cut by the cutting means, a warning means for warning the outside of the apparatus may be provided.

According to another aspect of the present invention, there is provided a recording apparatus for recording an image on a sheet, and a sheet on which the image is recorded by the recording means. And sending means for sending out to the user.

A detecting means for detecting a residual sheet remaining in the apparatus is provided. When the detecting means detects the residual sheet, the apparatus is set so as to send the residual sheet to the cutting means and cut the sheet. Hope you can.

Therefore, if such a setting is made, if there is an unnecessary residual sheet, the residual sheet is automatically cut.

It is preferable to be able to select whether the sheet on which the image is recorded by the recording means is discharged to the discharge sheet stacking section in the same direction, or the sheet is inverted and discharged to the discharge sheet stacking section.

[0023]

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, the dimensions of the components described in this embodiment,
The material, shape, relative arrangement, and the like are not intended to limit the scope of the present invention only to them unless otherwise specified.

(First Embodiment) A discharged sheet stacking apparatus and a recording apparatus according to a first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 is a schematic configuration diagram of a discharge sheet stacking apparatus and a recording apparatus according to a first embodiment of the present invention.
FIG. 2 is a schematic configuration diagram showing an operation unit of the recording apparatus according to the first embodiment of the present invention, and FIG. 3 is a part of the operation of the discharged sheet stacking apparatus according to the first embodiment of the present invention. FIG.

First, referring to FIG. 1, the configuration of the discharged sheet stacking apparatus and the entire recording apparatus will be described.

As shown in the drawing, the stacker 4 is arranged on the sheet discharge side of the recording apparatus 1 so that the sheet on which the image is recorded by the recording apparatus 1 is stacked on the stacker 4 as a discharge sheet stacking apparatus. Used for

The stacker 4 and the recording device 1 can be separate and independent devices, or can be configured as an integrated device.

First, the printing apparatus 1 generally feeds a printing apparatus feeding section 2 for feeding stacked sheets (sheets) and a sheet fed from the printing apparatus feeding section 2 further downstream. A recording device transport roller 9; a recording device discharge roller 3 as a feeding unit for discharging a sheet on which an image is recorded to the outside of the recording device 1; and a device initialization such as when the power of the recording device 1 is turned on. And a sensor 10 as a detecting means for detecting a residual sheet in the apparatus.

The recording means for recording an image on a sheet is not particularly shown in the drawing, but is arranged at an appropriate place in the above-mentioned transport path.

The recording means may be a means for recording an image on a sheet by a so-called electrophotographic method, or a means for recording an image on a sheet by an ink-jet method.

The stacker 4 generally includes a stacker feeding roller 11 for feeding a sheet discharged from the recording apparatus 1 into the stacker 4 and a conveying path of a sheet fed and conveyed by the stacker feeding roller 11. Transport flapper 14 as a switching means for switching, and transport flapper 1
4, a reversing roller 6 as a conveying means for conveying the sheet switched from the main conveying path M to the auxiliary conveying path S, a shredder section 5 as a cutting means for cutting the sheet to be conveyed on the auxiliary conveying path S, A stacker discharge roller 12 as discharge means for discharging sheets conveyed on the path M to the outside of the stacker 4, a discharge tray 7 as a plurality of discharge sheet stacking units for stacking sheets discharged by the stacker discharge rollers 12, have.

With the above configuration, first, when the sensor 10 detects a residual sheet in the apparatus at the time of initial setting of the apparatus such as when power is turned on, the recording apparatus feeding roller 13 and the recording apparatus The conveyance roller 9, the recording device discharge roller 3, the stacker feeding roller 11, and the reversing roller 6 are rotated to control the conveyance flapper 14 toward the shredder unit 5 so that the remaining sheet is cut by the shredder unit 5. .

When there is no remaining sheet in the recording apparatus 1, printing is performed on the sheet by the recording apparatus 1, the conveying flapper 14 is directed to the discharge tray 7, and the recorded sheet discharged from the recording apparatus 1 is stacked. It can be controlled so that the sheet passes through the feed roller 11, passes through the stacker discharge roller 12, and is discharged to any of the plurality of discharge trays 7.

Further, the recorded sheet discharged from the recording apparatus 1 is sent toward the shredder section 5 and is discharged to the discharge tray 7 without being cut.
It is also possible to control the sheets so that they are stacked upside down.

The distance between the transport flapper 14 and the shredder 5 is made longer than the maximum length of a sheet that can be transported in the apparatus (for example, the length of the A3 size sheet in the longitudinal direction in an apparatus that uses an A3 size sheet as the maximum sheet). By doing so, reversal stacking of all sheets becomes possible.

As described above, when a residual sheet in the apparatus is detected by the sensor 10 at the time of initial setting of the apparatus such as when the power is turned on, the residual sheet is automatically cut. Although it can be controlled, not all the remaining sheets are necessary. Therefore, when cutting, a warning is issued to the outside of the apparatus as follows.

That is, as shown in FIG. 2, during automatic ejection, a signal is sent from the CPU 17 to the display and the operation panel 16 so that the automatically ejected sheet is not cut by the shredder unit 5 unnecessarily. Displays whether to do or not.

Then, as shown in the flowchart of the presence / absence of a shredder in FIG. 4, first, the operator selects whether or not to use the shredder by using the display and the operation panel 16 which are warning means.

If the shredder is not used, only the automatic discharge is performed. If the shredder is used, the display indicates that the shredder is used. If the automatic discharge is performed, the sheet is cut by the shredder.

As described above, selection can be made as required, and when a shredder is used, a warning is issued, thereby preventing a necessary sheet from being cut by mistake.

As described above, in the case of normal image recording, a sheet on which an image has been recorded is stacked on the discharge tray 7 and the residual sheet in the apparatus is removed at the time of initial setting of the apparatus such as when the power is turned on. When the sheet is detected, the sheet can be stacked on the discharge tray 7 if necessary, and the sheet can be automatically cut by the shredder when unnecessary, so that the operator can discard the sheet. Since there is no need to dispose of the above, the working efficiency can be improved.

(Second Embodiment) FIG. 4 shows a second embodiment of the present invention. In the present embodiment,
This shows a configuration in which the discharged sheet stacking device can be used simply as a shredder.

Since other configurations and operations are the same as those of the first embodiment, the same components are denoted by the same reference numerals and description thereof will be omitted.

FIG. 4 is a schematic configuration diagram of a discharged sheet stacking apparatus according to a second embodiment of the present invention.

In this embodiment, the stacker 15
Is provided with a cutting-dedicated conveyance path S1 in the auxiliary conveyance path S in the configuration of the stacker 4 shown in the above-described first embodiment, for allowing the operator to directly insert a sheet by hand.

One end of the dedicated cutting path S1 is open at the top of the apparatus, and a lid 8 is provided at this opening.

When there is a sheet to be discarded by the above configuration, first, the lid 8 is opened.

When the cover 8 is opened, the shredder portion 5 starts to move automatically. When the sheet enters the opening of the cutting-dedicated conveyance path S1, the sheet is conveyed by the reversing roller 6, and
It is cut by the shredder unit 5.

As described above, it can also be used simply as a shredder.

[0051]

According to the present invention, an unnecessary sheet can be cut by the cutting means by switching from the main conveyance path for conveying the sheet to the discharge sheet stacking section to the auxiliary conveyance path by the switching means. Work such as discarding is eliminated, and work efficiency is improved.

By providing a cutting-dedicated conveyance path that leads to the cutting means directly from the outside of the apparatus via the auxiliary conveyance path by manual insertion,
It can be used simply for cutting sheets.

Before cutting the sheet by the cutting means,
By providing a warning unit for warning the outside of the apparatus, it is possible to prevent a necessary sheet from being cut by mistake.

Further, the recording apparatus of the present invention can be provided with a discharge sheet stacking apparatus having excellent work efficiency as described above.

Further, in the recording apparatus, when the detection means detects a residual sheet inside the apparatus, it can be set so as to perform control for cutting the residual sheet. Can be cut.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a discharge sheet stacking apparatus and a recording apparatus according to a first embodiment of the present invention.

FIG. 2 is a schematic configuration diagram illustrating an operation unit of the recording apparatus according to the first embodiment of the present invention.

FIG. 3 is a flowchart illustrating a part of the operation of the discharged sheet stacking apparatus according to the first embodiment of the present invention.

FIG. 4 is a schematic configuration diagram of a discharge sheet stacking apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Recording device 3 Recording device discharge roller 4 Stacker 5 Shredder part 6 Reversing roller 7 Discharge tray 8 Lid 10 Sensor 12 Stacker discharge roller 14 Transport flapper 15 Stacker 16 Display and operation panel

Claims (9)

[Claims] 1. A discharge sheet stacking device provided with a discharge means for discharging a sheet conveyed through a main conveyance path to a discharge sheet stacking section, wherein an auxiliary conveyance path branched from the main conveyance path and a sheet conveyed are provided. A discharge sheet stacking device, comprising: switching means for switching between a main conveyance path and an auxiliary conveyance path; and cutting means for cutting a sheet conveyed through the auxiliary conveyance path. 2. A conveying means for nipping and conveying a sheet in an auxiliary conveying path, wherein the conveying means conveys the sheet sent to the auxiliary conveying path in the same direction and sends it to a cutting means.
It is possible to select whether the sheet sent to the auxiliary conveyance path is once held by the conveyance means and then sent out from the rear end side of the sheet to the main conveyance path again to reverse the sheet and discharge it to the discharge sheet stacking section. The discharge sheet stacking device according to claim 1. 3. The discharge sheet stacking device according to claim 1, further comprising a cutting-dedicated conveyance path which is guided from outside of the apparatus to the cutting means via an auxiliary conveyance path directly by hand. 4. The stacking of discharged sheets according to claim 3, wherein the manual feeding side of the cutting-dedicated conveying path is opened at an upper part of the apparatus, and a lid is provided to open and close the opening. apparatus. 5. The apparatus according to claim 2, wherein a distance from a holding portion by said conveying means to a cutting portion by said cutting means is set longer than a maximum length of a sheet that can be conveyed.
5. The discharged sheet loading device according to 3 or 4. 6. The discharged sheet stacking apparatus according to claim 1, further comprising a warning unit for warning the outside of the apparatus before the sheet is cut by the cutting unit. 7. A recording means for recording an image on a sheet, and a sheet on which the image is recorded by the recording means.
And a feeding means for feeding the sheet to the discharged sheet stacking device. 8. A detecting means for detecting a residual sheet remaining in the apparatus, and when the detecting means detects the residual sheet, a control for sending the residual sheet to the cutting means and cutting the same is performed. 8. The recording apparatus according to claim 7, wherein the recording apparatus can be set to: 9. The apparatus according to claim 1, wherein the sheet on which the image is recorded by the recording means can be selected to be discharged to the discharge sheet stacking section in the same direction or to be inverted and discharged to the discharge sheet stacking section. 8. The recording device according to 7.