JP2000281264A - Paper sheets sorting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a take out property of paper sheets in the paper sheet sorting device of a type providing a paper sheet carrying part in the front side of a machine, and a paper sheet housing part in the rear of the machine, in a type for carrying paper sheets in a lengthwise direction. SOLUTION: A carrying part 10 for constituting a mail box 9 is door-likely supported opening/closing adaptably on a fixed member 17. When paper sheets on paper discharge trays 13 are taken out, the carrying part 10 is opened to take out the sheets from the front surface side of a device main body 1 (rear side in a paper discharge direction to the trays 13 for the paper sheets). Notches 19 are provided on the centers of the respective trays 13 to improve an take out property of the paper sheets.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in combination with an image recording apparatus such as a printer or a copier, and has a plurality of paper storage sections for discharging and storing paper on which images are recorded. The present invention relates to a paper sorting device used as a box or the like.

[0002]

2. Description of the Related Art A conventional paper sorting apparatus of this type is installed side by side with a printer or the like to convey paper in the horizontal direction, or installed above a printer or the like to transport paper. May be transported in the vertical direction. Of course, in any case, the paper is finally discharged in a horizontal or substantially horizontal direction. In the former configuration, for example, JP-A-08-133580 and JP-A-09-301.
As disclosed in Japanese Patent Application Laid-Open No. 602 and Japanese Patent Application Laid-Open No. 09-309655, there is a problem that the width of the machine and the space required for installation are increased in the lateral direction. On the other hand, the latter has an advantage that this problem can be solved.

In such a type that transports the paper in the vertical direction, the paper is transported to the operation side of the machine, that is, the front side in consideration of the operability of the jam paper processing and the user's maintainability of the machine. The paper is discharged from the front side to the rear side above the machine. That is, since the paper transport unit that transports the paper is located on the front side of the machine, there is a problem that it is difficult to take out the paper on the paper discharge tray of the paper storage unit from the front side of the machine. Paper can be taken out from the side if there is space in the horizontal direction of the machine, but in an environment where the left, right, and rear sides are walls, remove paper from the top output tray. However, taking out the paper from the paper ejection tray located below is considerably impossible.

The present invention has been made in view of such a conventional problem, and is directed to a type of paper in which a paper is transported in a vertical direction and a paper transport unit is provided at a front side of a machine and a paper storage unit is provided behind the paper transport unit. It is an object of the present invention to make it possible to easily take out a sheet even in the above-described installation environment in a classification device. Another object of the present invention is to provide a paper sorting apparatus capable of preventing an inadvertent paper jam caused by opening a paper transport unit during operation of a machine.

[0005]

According to a first aspect of the present invention, there is provided a paper sorting apparatus comprising: a plurality of paper storage units; and a discharge unit configured to discharge the paper into the paper storage units. Paper transport section, and these supports, and the paper transport section can be opened and closed in the form of a door on the support, and when the paper transport section is opened, the paper discharge direction of the paper storage section is The rear side is openable and supported.

According to a second aspect of the present invention, in order to achieve the above object, a notch-shaped portion is provided on the rear side in the sheet discharging direction of each of the sheet storage sections.

According to a third aspect of the present invention, in order to achieve the above object, a locking means for rotating and opening and closing the operating paper transport unit is interposed between the support and the paper transport unit. It is characterized by the following.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic sectional view of an embodiment of a paper sorting apparatus according to the present invention, and FIG. 2 is a perspective view of a state in which a transport unit of a mailbox is opened. A sheet fed from a sheet cassette 2 located at a lower portion of an apparatus body 1 of an image forming apparatus such as a printer is composed of a photoreceptor 4 and the like by aligning the leading edge of the sheet by a pair of registration rollers 3 and synchronizing the image with the sheet. The image is conveyed to the image forming unit 5, the image formed on the photoreceptor 4 is transferred by the transfer roller 6, the image is conveyed to the fixing unit 7, and the image is fixed on the sheet. It is determined whether the paper discharged to a specific paper discharge tray is to be transported to a mailbox 9 for a specific operator to take out, and then the paper is discharged.

When a sheet is conveyed to the mailbox 9 side, the sheet is supplied to a designated discharge tray 13 by a respective discharge roller 12.
・ ・ Discharge to any of. Each of the paper discharge trays 13 is provided with a paper detection filler 14. When paper is present, the paper detection filler 14 rotates, and a corresponding paper detection sensor 15 (the uppermost paper detection filler in the figure). 14 are detected.), The presence of a sheet is detected. When any one of the paper detection sensors 15 detects a sheet, the lamp 16 on the front side of the mailbox 9 is turned on, and the sheet is discharged onto at least one of the discharge trays 13. Is shown. The paper discharge tray 13 includes a wall-shaped fixing member 17 and a pillar-shaped fixing member 1.
8 supported.

The transport unit 10 constituting the mailbox 9
Is rotatably supported by a fixing member 17 in a door shape, and the paper on the paper discharge tray 13 is on the front side of the apparatus main body 1, in other words, on the rear side in the paper discharge direction to the paper discharge tray 13. (Right side in FIG. 1) so that it can be opened when taken out. A notch 19 is provided at the center of each paper discharge tray 13 as shown in FIG.
3 ... Improve the take-out property of the upper sheet. The notch 19 is formed at the center of the wall 13a provided on the rear side in the discharge direction in the same manner as the notch 19 to prevent the sheet from falling.
It is configured not to hinder the fall prevention function. A motor (not shown) is provided inside the fixing member 17, and the drive gear 20 is rotationally driven by the rotation of the motor. When the transport unit 10 is closed, the drive gear 20 and the input gear 2 of the transport unit 10 are closed.
1 are engaged so that the rollers of the transport unit 10 rotate.

The mailbox 9 has a lock mechanism for the transport unit 10 as shown in detail in FIG. FIG. 3 is an enlarged cross-sectional view from above of FIG. 2 in a state where the distal end portion 22a of the handle 22 of the transport unit 10 is locked by the lock pin 23 provided inside the opening 18a of the fixing member 18. A stopper 2 is provided behind the lock pin 23 (right side in FIG. 3) in the rotation direction of the distal end portion 22a of the handle 22 when the transport unit 10 is opened.
4 are provided.

FIG. 4 is a side view of the stopper 24 enlarged from the lateral direction in FIG. The stopper 24 is a slot 2
5 and 25 are slidably inserted into pins (not shown) and supported in the fixing member 18, the upper end is pulled by a spring 26, and the lower end is connected to a solenoid 27. Stopper 24
Has a notch 28, and the solenoid 27 is OF
At the time of F, the notch 28 is located behind the lock pin 23. For this reason, when the transport unit 10 is rotated by holding the handle 22 to open, the transport unit 10 can be opened because the distal end portion 22a is disengaged from the lock pin 23.
The setting is made so that the solenoid 27 is turned on when the machine is operating. Then, the stopper 24 is lowered and the notch 2
8 is displaced from the position of the tip portion 22a of the handle 22, so that the tip portion 22a hits the stopper 24 and cannot escape, thereby preventing the handle 22 from moving.
Can not be released.

FIG. 5 is a plan sectional view showing one of the transport rollers 11 in the transport section 10 to which an input gear 21 is attached. FIG. 6 is a schematic configuration diagram of a drive mechanism of the transport roller 11 in the transport unit 10. Each transport roller 11
A pulley 29 is provided on the shaft, and a timing belt 30 is wound around each pulley 29. The rotation transmitted through the input gear 21 causes one of the transport rollers 1 to rotate.
1 rotates and the pulley 29 rotates with its shaft,
The pulleys 29... Provided on the shafts of the respective transport rollers 11 are also rotated by the timing belt 30, whereby the respective transport rollers 11 are rotated. .., 32... Are idle pulleys.

[0014]

According to the first aspect of the present invention, there is provided a paper sorting apparatus.
Since it is as described above, there is an effect that the sheet conveyance section at the front side of the apparatus of the sheet storage section is opened like a door so that the sheet can be easily taken out.

Since the paper sorting apparatus according to the second aspect is as described above, in addition to the above-mentioned common effects, it is possible to take out the paper from the paper storage part by the notch-shaped part provided in the paper storage part. In addition, even if there is a paper drop prevention wall or the like which is often provided behind the paper storage unit in the paper discharge direction, the paper can be taken out regardless of this.

Since the paper sorting apparatus according to the third aspect is as described above, in addition to the above-described common effects, the paper transport unit can be locked so as not to be opened during operation, so that careless paper jams may occur. Etc. can be prevented.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of an embodiment of a paper sorting apparatus according to the present invention.

FIG. 2 is a perspective view of the apparatus of FIG. 1 in a state where a transport unit of a mailbox is opened.

3 is an enlarged cross-sectional view showing a lock mechanism of a transport unit of the apparatus shown in FIG. 1 as viewed from above in FIG. 2;

FIG. 4 is an enlarged side view showing a lock mechanism of a transport unit of the apparatus of FIG. 1 viewed from a lateral direction in FIG.

5 is a plan sectional view showing one of the transport rollers in the transport unit of the apparatus of FIG. 1 to which an input gear is attached.

6 is a schematic configuration diagram of a drive mechanism of a transport roller in a transport unit of the apparatus in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Image forming apparatus main body 2 Paper feed cassette 3 Registration roller pair 4 Photoreceptor 5 Image forming unit 6 Transfer roller 7 Fixing unit 8 Branch claw 9 Mailbox 10 Transport unit 11 Transport roller 12 Discharge roller 13 Discharge tray 13a Drop Prevention wall 14 Paper detection filler 15 Paper detection sensor 16 Lamp 17, 18 Fixing member 18a Opening of fixing member 19 Notch 20 Drive gear 21 Input gear 22 Handle 22a Handle tip 23 Lock pin 24 Stopper 25 Slot 25 26 Spring 27 Solenoid 28 Notch 29 Pulley 30 Timing belt 31, 32 Idle pulley

Claims (3)

[Claims] A plurality of paper storage units, a paper conveyance unit for discharging paper to the paper storage units, and a support for the paper conveyance unit, and the paper conveyance unit is pivotally moved to the support in a door shape. A sheet sorting apparatus, wherein the sheet sorting unit is supported so as to be openable and closable and that the sheet storage section can be opened at the rear side in the sheet discharge direction when the sheet transport section is opened. 2. A notch-shaped portion is provided at a rear side of each of the sheet storage sections in a sheet discharge direction.
Paper sorter. 3. The paper sorting apparatus according to claim 1, wherein a lock means for rotating and opening and closing the operating paper transport unit is interposed between the support and the paper transport unit. .