JPS63180673A - Sheet arranging tray device - Google Patents

Abstract

PURPOSE:To reduce the driving force necessary for the transfer of the second tray by arranging the second tray which consists of the fixed part which is in waiting, piling the transported sheets in the piling of the sheets in the first tray and the transfer part. CONSTITUTION:A sheet S discharged from a copying machine is discharged and piled onto a processing tray 25 as the first tray without being obstructed by the transfer part 17b of a waiting tray 17 as the second tray which is set at a retreat position by driving means 21 and 22, by a transport roller pair 13 through a transport passage. When a prescribed number of sheets are piled, the transfer part 17b is connected with the fixed part 17a of the waiting tray 17 by the driving means 22, and the sheets S in the second bundle are piled onto the waiting tray 17. During this time, the piled sheets on the processing tray 17 are arranged and bound, and after the completion of the binding work, the transfer part 17b is retreated again, and the sheets S in the second bundle are transferred onto the processing tray 25. Therefore, the driving force necessary for the transfer of the second tray can be reduced, and the space can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention is a method for accumulating and storing sheets ejected onto a tray from an image forming apparatus (hereinafter referred to as a copying machine) such as a copying machine, a printing machine, or a fuser. Pertaining to a sheet alignment tray device for alignment,
Specifically, on the first tray that can collect and align the sheets,
Second! - Relates to a sheet alignment tray device including a tray.

(B) Conventional technology Conventionally, a sheet alignment tray device is connected to a copying machine and conveys the sheets ejected from the copying machine onto a processing tray, and then aligns the edges of the bundle of sheets accumulated on the tray and binds the sheets. In addition, the sheet bundle that had been bound was being moved from the processing tray to another storage tray.

←9 Problems to be Solved by the Invention By the way, in the above-mentioned sheet alignment tray device, while a sheet is being processed on the processing tray, the next sheet cannot be copied and sent to the sheet alignment tray device. The next sheet cannot be copied until the sheet has been processed, resulting in loss time.

To solve this problem, a standby tray is installed above the processing tray, and while a sheet is being processed on the processing tray, the next copier sheet is temporarily stored in the standby tray, and the processing on the processing tray is completed. Accordingly, a sheet alignment tray device has been devised that conveys the sheets stored in the standby tray to the processing tray. In this type of apparatus, generally the processing tray is of a fixed type and the standby tray is of a movable type. By the way, if the standby tray is a mobile type,
Since a space is required to process the largest size sheet, a large driving force is required to move the standby tray, and the amount of movement is large, resulting in a disadvantage that the movement takes time and requires a large space.

B) Means for Solving the Problems The present invention aims to solve the above-mentioned problems, and provides a sheet aligning tray device for stacking and aligning a large number of sheets on a first tray. A second tray consisting of a fixed part fixed to the device and a movable part movably supported is disposed above the first tray, and the movable part of the second tray is When stacking sheets on the first tray, move the sheets to a position that does not interfere with conveyance of the sheets to the first tray, and when aligning the sheets on the first tray, remove the sheets that have been conveyed. a driving means for moving the paper to a position where it is accumulated on the second tray;
It is assumed that the system is on standby.

(E) Effect Based on the above configuration, when stacking sheets on the first tray, the moving section of the second tray moves to a position where it does not interfere with the conveyance of the sheets to the first tray, and When aligning the sheets on the tray, the sheets conveyed next) are accumulated and put on standby.

(F) Examples Examples of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, the sheet aligning device 1 is disposed in the stapling section 3 of the sheet post-processing device 2, and its inlet 5 is connected to the output port of the copying machine (not shown). Matched to the exit. Further, downstream of the carry-in port 5, there are disposed 6 pairs of writing rollers for writing sheets 1-S and a flapper 7 for branching and guiding the sheets S to a stacker section (not shown) or a stapling section 3. A conveyance path 10 is provided downstream of the flapper 7 by a pair of guide plates 9. Further, the conveyance path 10 includes a sheet sensor 11,
A pair of conveyance rollers 12, a pair of discharge rollers 13, and a sheet alignment belt 15 are arranged, and at the end of the conveyance path lO,
A static eliminating needle 16 for removing static electricity from the sheet S is provided. Further, a fixed portion 1 is provided below the discharge roller pair 13.
A standby tray 17 consisting of a moving part 7a and a moving part 17b is provided, and the fixed part 17a is fixed to the main body 19 of the machine.

The moving part 17b includes three substantially parallel rods 17.
The rods 17c, 17d, and 17e are provided with an idle roller 20 above the rods 17c and 17e to guide the movement of the moving portion 17b. A rack 21 is installed below the rods 17c and 17e, and the rack 21 meshes with a pinion gear 22 rotated by a motor (not shown). Furthermore, at the maximum movement position of the moving part 17b,
The moving part 1? A microswitch 23 is provided to detect b.

Further, a processing tray 25 is disposed below the moving section 17b, and a positioning plate 2 is provided on the front side of the tray 25.
6. A width baffle plate 27 moved by a rack and binion (not shown) on the back side, a circular roller 29 that conveys the sheet S, and a side-view type abutment member that is rotatably supported by a shaft 30a and abuts the sheet. 30, the microswitch 31 that detects the rotation of the member 30, and the above processing!・Ray 25
See above! - It is equipped with an optical sensor consisting of a light emitting part 32a and a light receiving part 32b for detecting the presence or absence of S. Further, a stapler 33 is disposed 9 on the front side of the processing tray 25 and near the abutment member 30, and the stapler 33 is configured to staple the sheet bundle S. Then, below the processing tray 25, a bound sheet bundle S...
A storage tray 35 for storing .

Since this embodiment has the above-described configuration, the first sheet S discharged from the copying machine is processed by the sheet post-processing device 2.
The paper is carried in from the carry-in entrance 5 by carry-in rollers 6, and then branched and guided to a conveyance path 10 by a flapper 7. Then, the first sheet S is transported eastward in the transport path 10 by the transport rollers 12, and the passage of the sheet S is detected by the sensor 11, and the detection signal of the sensor 11 is controlled by a control (not shown). The information will be communicated to the department. Next, the control section counts the number of passing sheets S based on this detection signal. At this time, the moving part 17b of the standby tray 17 is at the A position (
Since we are moving to Figure 3 (see al), Sea 1-S
There are no words to prevent the discharge of And processing l-ray 25
The sheet S discharged upward is abutted against an abutment member 30 by an aligning bell (15) and an oval roller 29, and abutted against a positioning plate 26 by a width baffle plate 27 to be aligned in position. Next, a termination signal is sent from a control section (not shown) instructing that all the second and subsequent sheets 1-S of the first batch of originals be ejected and aligned onto the processing tray 25 by a similar operation. is generated, and the signal causes a motor (not shown) to rotate. Then, the pinion gear 22 is rotated by the motor to move the moving part 17b of the standby tray 17 to the B position, as shown in FIG. Transmit to machine.

Then, the copying machine starts copying the manuscript from the second east exit.

At this time, on the processing tray 25, the sheets S... are aligned and stapled by the stapler 33, and the second
The original 1 m bundle of copied sheets) S at the east exit is accumulated on the standby tray 17 (see Fig. 4 (al)). Then, when the binding operation is completed on the processing tray 25, the abutment member 30
rotates clockwise, and the sheet alignment belt 15 rotates to drop the bound sheet bundle S... onto the storage tray 35. At this time, the microswitch 31
The light sensor 32 is turned on by the sheet bundle S.
When the sensor 32 starts detecting the presence or absence of the sheet bundle S and stops detecting the sheet bundle S, the abutment member 30 is rotated counterclockwise and returned to its original position. Then, when a sensor (not shown) detects that the bundle S (see) has fallen, a motor (not shown) rotates, and the rotation of the motor is transmitted to the pinion gear 22. Then, the pinion gear 22 rotates to move the moving part 17b of the standby tray 17 from the B position to the A position, and transfers the copied sheets S of the document bundle at the second east exit that are accumulated on the tray 17. process!・Ray 2
Then, the sheet 1-S dropped onto the processing tray 25 is pushed against the abutting member 30 by the omitted circular roller 29 and the sheet aligner 1-15. At the same time, the width adjustment plate 27 aligns the width to the positioning plate 26 and aligns the position.Then, the second and subsequent sheets S of the document bundle at the second east exit are sequentially moved to the fixed part of the standby tray 17. 17a and the moving part 17b, and are aligned and stacked on the processing tray 25 (FIG. 4(c)).
When all the sheets S... are accumulated, the sheet bundle S... is bound and stored in the storage tray 35 by the same operation as described above.

In the above embodiment, the sheet 1 is placed on the standby tray 17.
- Although one S rate was accumulated, up to two rates can be accumulated.

Further, in the above embodiment, the moving unit 1 of the standby tray 17
7b is configured to move toward the proximal end of the tray 17, but as shown in FIG.

Furthermore, if the fixed tray 17a of the standby tray 17 and the movable tray 17b are arranged at a distance l apart from each other so that the sheet S does not fall, as shown in FIG. 6, the amount of movement of the movable tray 17b can be further reduced. .

(G) As described in detail, according to the present invention, when the first tray aligns the sheets, the sheets that have been conveyed to the first tray are aligned. A second tray consisting of a fixed part and a moving part is provided, and the moving part of the second tray is used to load sheets onto the first tray when stacking sheets on the first tray. The second tray is configured to move to a position where it does not interfere with sheet conveyance, and to stack the conveyed sheets on the second tray when aligning the sheets on the first tray. Since the amount of movement of the tray is reduced, the driving force required to move the second tray can be reduced and the space required for movement can be made more compact.

[Brief explanation of the drawing]

FIG. 1 is a front sectional view showing a sheet alignment tray device according to the present invention. FIG. 2 is a plan view showing the second tray. Further, FIGS. 3 and 4 are front sectional views showing the operation of the present invention. Furthermore, FIGS. 5 and 6 are front views showing other embodiments. 1 sheet alignment tray device, 17... second tray, 17a fixed section, 17b moving section
, 21.22 - Driving means, 25. First tray, S. Sheet.

Claims (1)

[Claims] (1) In a sheet aligning tray device that stacks and aligns a large number of sheets on a first tray, a movable member that is movably supported by a fixed portion fixed to the device above the first tray. a second tray consisting of a section, and a moving section of the second tray located at a position that does not interfere with the conveyance of sheets to the first tray when the sheets are stacked on the first tray. and a driving means for moving the conveyed sheets to a position where they are stacked on the second tray when aligning the sheets on the first tray. Sheet alignment tray device.