JP2680755B2 - Paper sheet stacking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper sheet stacking apparatus, and more particularly to a paper sheet stacking apparatus for use in a paper sheet trading apparatus such as an automated teller machine used in financial institutions.
In particular, the present invention relates to a paper sheet stacking apparatus suitable for stacking paper sheets having different sizes in one storage unit.

[0002]

2. Description of the Related Art In a conventional paper sheet stacking apparatus, as described in JP-A-61-37658, a rotating flexible paper sheet straightening means has already been stacked at the end of a conveying path and a storage section. It is provided between the rear end of the laminated paper sheets. This paper sheet straightening means horizontally presses the rear ends of the stacked laminated paper sheets whose front ends are aligned by a fixed stopper so as not to float up, and the next paper sheet conveyed from the conveyance path. It was configured to prevent interference with the tip of the. However, no consideration has been given to collecting paper sheets of various sizes in one collecting and storing unit.

[0003]

SUMMARY OF THE INVENTION In the above-mentioned prior art, the rear end of a laminated paper sheet, whose front end is aligned by a fixed stopper, is pressed horizontally by the rotation of the paper sheet correcting means so as not to float up, This prevents interference with the leading edge of the next paper sheet sent from the transport path. Therefore, when a paper sheet that is longer than the specified size enters the collection unit, the front end of the paper sheet is fixed by the stopper, and the rear end of the paper sheet cannot enter the collection unit. is there. On the other hand, when a paper sheet shorter than the specified size enters the collecting section, the front end of the paper sheet is fixed by the stopper, so that the rear end of the paper sheet is affected by the rotational force of the paper sheet correcting means. Do not receive Therefore, the trailing edge of the stacked paper sheet that is not corrected horizontally bends upward due to the folding of the paper sheet, and collides with the leading edge of the next paper sheet that is sent from the transport path. There was a problem that led to.

The present invention has been made in view of the above-mentioned problems of the prior art, and prevents interference between the paper sheets sent from the conveying path and the already stacked paper sheets, and makes it possible to obtain paper sheets of various sizes. An object of the present invention is to provide a paper sheet stacking device that can be stacked in one storage unit.

[0005]

In order to achieve the above object, a paper sheet stacking apparatus according to the present invention comprises a transport path for transporting paper sheets one by one and a storage section for stacking and storing the paper sheets. When,
A sheet roller that is provided between the transport path and the storage unit and prevents the rear end of the paper sheets stored in the storage unit and the front end of the stored paper sheets from interfering with each other; In a paper sheet stacking device including a front stopper that aligns the front ends of the paper sheets when the paper is stored in the storage unit, a stopper drive motor that moves the position of the front stopper, and a size of the paper sheets to be stored are set. A sheet size storage unit for storing, a sheet moving belt that supports the lower surface of the sheets accumulated in the storing unit and moves toward the front stopper, and when a sheet enters the storing unit. The size of the paper sheet to be stored in the paper sheet is read from the paper sheet size storage unit, the stopper moving means is controlled to move the stopper so as to match the read-out dimension, and the accumulated paper sheet moving means is operated. Control and move the stack The first feature is that the control means is provided. In the second aspect, the second feature is that the sheets to be conveyed to the storage unit via the conveying path are conveyed in order from a sheet having a short length in the sheet conveyance direction to a sheet having a long length in the conveyance direction.

[0006]

[0007]

[0008]

[0009]

[0010]

[0011]

In the paper sheet stacking apparatus configured as described above, the dimensions of the conveyed paper sheets are read from the paper sheet size storage unit, and the stopper drive motor is controlled so as to match the read dimensions. By moving the front stopper and controlling the paper sheet moving belt to move the accumulated paper sheets toward the front stopper, even the paper sheets having greatly different sizes can be accumulated with their front ends aligned. In addition, this paper sheet stacking device transports paper sheets in the order from shortest to longest in the sheet conveying direction, and stacks sheets of different sizes with the front end aligned from the smallest order. can do.

[0012]

[0013]

[0014]

[0015]

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 is a cross-sectional explanatory view showing a mechanism of a paper sheet stacking device according to an embodiment of the present invention. The paper sheet stacking device includes an upper belt 16 for holding paper sheets.
And the lower belt 17, the upper belt 16 and the lower belt 1
A transport path 6 for transporting the paper sheets composed of 7 one by one, and a position which is moved to the left or right according to the paper size and collides with the front end of the paper sheets transported by the transport path 6. From the front stopper 1 for aligning the front ends of the paper sheets of various sizes, the storage unit 3 for storing the paper sheets, the paper sheet moving belt 2 for moving the stacked paper sheets 18 left and right, and the conveying path 6. When the trailing edge of the paper sheet enters, it is flexible to press the trailing edge of the paper sheet and the trailing edge of the stacked paper sheets downward to prevent collision with the leading edge of the succeeding paper sheet. A sheet roller 5 having a flexible member 5a, a stacker inlet sensor 7 for detecting whether the front end of the sheet has entered the stacker, and a front stopper position sensor 9 for detecting the position of the front stopper 1. .

Next, the operation of the stacking mechanism will be described.
The position of the front stopper 1 is set according to the size of the paper sheet. Next, the paper sheets are sent to the storage section 3 one by one by the transport path 6. When the rear end of the paper sheet enters the storage section 3, the front end of the paper sheet hits the front stopper 1, the front end of the paper sheet is aligned with the front stopper 1, and the rear end of the paper sheet is already laminated. The flexible member 5a of the sheet roller 5, which rotates counterclockwise with the rear end of the paper sheet 18 present, presses it downward. Therefore, the front ends of the succeeding paper sheets are successively accumulated in the storage unit 3 without colliding with the rear end of the accumulating paper sheets 18.

FIG. 2 is a control block diagram of the embodiment shown in FIG. As illustrated, the control unit 12 detects the current position of the front stopper 1 based on the output signal of the front stopper position sensor 9. Further, the paper size storage unit 19 stores each size corresponding to each paper to be conveyed, and the size information is read using the paper to be conveyed as a key. Next, the control unit 12 calculates the control amount of the stopper 1 based on the current position of the front stopper 1 and the dimension information of the paper sheets, and at the same time, gives a start signal to the front stopper drive motor 15 to move the front stopper 1. Move to the optimum position. Here, as for the dimension information, a sensor may be provided in the conveyance path 6 and the dimension may be measured based on the time when the sheet passes through the sensor.

Next, the control section 12 gives a start signal to the conveyance path drive motor 13 in order to drive the conveyance path 6 and the sheet roller 5. The transport path encoder 11 is configured to transport the transport path 6
The encoder pulse signal is output according to the movement amount of.
The control unit 12 detects the amount of movement of the transport path 6 based on the encoder pulse signal. The stacker entrance sensor 7 outputs a dark signal when there is a sheet at the stacker entrance, and outputs a light signal when there is no paper. The control unit 12 controls the front stopper drive motor 15 according to the output signal of the stacker inlet sensor 7.
Detects the startup timing of. The paper sheet moving belt drive pulse motor 14 drives the paper sheet moving belt 2 to move the stacked paper sheets 18 to the left and right.

FIG. 3 is a first block diagram of the control block diagram shown in FIG.
6 is a flowchart showing an operation example of the above. First, in order to convey the sheets one by one, the conveyance path drive pulse motor 13 is activated. Next, the size of the stacked paper sheets is read from the paper size storage unit 19. Next, the current position of the front stopper 1 is detected by the front stopper position sensor 9, the front stopper movement amount is calculated, and the number of front stopper movement pulses is set. Then, the front stopper drive motor 15 is rotated by the number of stopper movement pulses to move the front stopper 1,
Collect paper sheets. In this way, paper sheets of various sizes are accumulated on the stacker.

FIG. 4 is a second control block diagram shown in FIG.
6 is a flowchart showing an operation example of the above. This operation example is
A plurality of types of paper sheets are stacked in a designated number in order from the shortest paper sheet. First, in order to convey the sheets one by one, the conveyance path drive pulse motor 13 is activated. Next, the size of the stacked paper sheets is read from the paper size storage unit 19. Next, the current position of the front stopper 1 is detected by the front stopper position sensor 9, the front stopper movement amount is calculated, and the number of front stopper movement pulses is set. Next, the stack entrance sensor 7 detects that the front end of the first sheet has entered the stacker entrance, and then the front stopper 1 is moved. After the stacking control of the first sheet is completed, the position of the front stopper 1 is fixed, and the operation is continued until the stacking of the designated number of stacked sheets of the same size.

Next, when different types of sheets are stacked, the sheet size is detected again. At this time, the rear end portion of the laminated paper sheet 18 is constantly pressed downward by the rotating sheet roller 5. In this state, the stack entrance sensor 7 becomes dark, and the front end of the next paper sheet enters the entrance part of the storage unit 3, so that it does not interfere with the rear end of the laminated paper sheet 18 pressed downward. ,
The front end of the first sheet of different-sized sheets enters the storage section 3. After the first sheet of paper enters the storage unit 3, the front stopper 1 is moved to complete the stacking of the first sheet of different size. After that, the position of the front stopper 1 is fixed, and the storing operation is continued until the accumulation of the sheets of the same size is completed. In this way, when stacking paper sheets of different sizes, since the front stopper 1 is moved after the front end of the first paper sheet has entered the storage portion, interference with the stacked paper sheets 18 may occur. No, 1 from the shortest paper
It can be accumulated in one storage part 3.

FIG. 5 is a third control block diagram of FIG.
6 is a flowchart showing an operation example of the above. This operation example is
A predetermined number of sheets of a plurality of types are stacked in order from a short sheet, and when storing a different type of the first sheet, the first sheet is predetermined. By moving the front stopper 1 after entering the storage portion 3 by a length, it is possible to reliably prevent the rear end of the stack of paper sheets 18 from interfering with the front end of the paper sheet having a different size.

That is, in order to convey the sheets one by one, the conveyance path drive pulse motor 13 is activated. Next, the size of the stacked paper sheets is read from the paper size storage unit 19. Next, the current position of the front stopper 1 is detected by the front stopper position sensor 9, the front stopper movement amount is calculated,
Set the number of front stopper movement pulses. Next, the front stopper 1 is moved after the front end of the first sheet has entered the storage unit 3 by a predetermined length. After the accumulation of the first sheet, the position of the front stopper 1 is fixed, and the operation is continued until the accumulation of sheets having the same size is completed.

Next, when stacking different paper sheets, the paper sheet size is read again, the number of pulses of the front stopper is set, and the front end of the first paper sheet is stored for a predetermined length.
After entering the inside, the front stopper 1 is moved. Therefore, the rear end portion of the laminated paper sheets 18 is always pressed downward by the flexible member 5a of the rotating sheet roller 5, and in this state, the front end of the first paper sheet having a different size is Since it enters the entrance of the storage unit 3, it is possible to store paper sheets of different sizes in the storage unit 3 without interfering with the rear end of the laminated paper sheet 18 that is pressed downward. Different size 1
After the stacking of the first sheet is completed, the position of the front stopper 1 is fixed, and the operation is continued until the accumulation of the sheets of the same size is completed. In this way, paper sheets of different sizes are stacked in one storage unit 3 without interfering with each other.

FIG. 6 is a fourth block diagram of the control block diagram shown in FIG.
6 is a flowchart showing an operation example of the above. This operation example is
A plurality of types of paper sheets are stacked in a specified number in order from the shortest paper sheet. Simultaneously with the movement of the front stopper 1, the paper sheet conveyance belt 2 is moved to move the accumulated paper sheets 18, Paper sheets of different sizes are accumulated with the front ends of the paper sheets aligned.

That is, in order to convey the paper sheets one by one, the conveyance path drive pulse motor 13 is activated. Next, the size of the stacked paper sheets is read from the paper size storage unit 19. Next, the current position of the front stopper 1 is detected by the front stopper position sensor 9, the front stopper movement amount is calculated,
Set the number of front stopper movement pulses. Next, after the front end of the first sheet enters the stacker entrance, the front stopper 1
And the paper sheet moving belt 2 (laminated paper sheets 18) are moved.
The accumulated paper sheets 18 are moved by driving the paper sheet movement belt drive pulse motor 14 to move the paper sheet movement belt 2. After the stacking of the first sheet is completed, the sheet is fixed at the stopper position and the operation is continued until the stacking of the sheets of the same size is completed.

Next, when stacking paper sheets of different sizes, the paper sheet size is read again, the number of pulses of the front stopper movement is set, and the stacker inlet sensor 7 becomes dark and the front stopper 1 and the paper sheet are stacked. Moving belt 2 (collected paper sheets 1
8) Move together. Therefore, the rear end portion of the laminated paper sheets 18 is always pressed downward by the flexible member 5a of the rotating sheet roller 5, and in this state, the front end of the first paper sheet having a different size is Enter the entrance of the storage unit 3. After that, the front stopper 1 and the stacked paper sheets 18 are moved at the same time, and the first stack of paper sheets of different sizes is completed. Therefore, it is possible to store paper sheets having different sizes in the storage unit 3 without the rear end of the laminated paper sheet 18 pressed downward and the paper sheets having different sizes from interfering with each other. After the stack of the first sheets of different sizes is completed, the position of the front stopper 1 is fixed, and the storing operation is continued until the accumulation of the paper sheets of the same size is completed. In this way,
Sheets of different sizes are accumulated in one storage unit 3 without interfering with each other. In this manner, the front ends of the paper sheets having different sizes are stacked in the single storage portion 3 in a state of being aligned by the front stopper 1.

FIG. 7 is a fifth block diagram of the control block diagram shown in FIG.
6 is a flowchart showing an operation example of the above. This operation example is
A predetermined number of sheets of a plurality of types are stacked in order from a short sheet, and when storing a different type of the first sheet, the first sheet is predetermined. By moving the front stopper 1 and the paper sheet moving belt 2 after entering the storage portion 3 for a length, the accumulated paper sheets 18 having different sizes are stored in the storage portion 3 with their front ends aligned. To do.

That is, in order to convey the sheets one by one, the conveyance path drive pulse motor 13 is activated. Next, the size of the stacked paper sheets is read from the paper size storage unit 19. Next, the current position of the front stopper 1 is detected by the front stopper position sensor 9, the front stopper movement amount is calculated,
Set the number of front stopper movement pulses. Next, it is detected that the front end of the first sheet has entered the storage portion 3 by a predetermined length, and then the front stopper 1 and the sheet moving belt 2 are moved. After the stacking of the first sheet is completed, the position of the front stopper 1 is fixed, and the storing operation is continued until the stacking of the same-sized sheets is completed.

Next, when stacking different paper sheets, the paper sheet size is read again, the number of pulses of the front stopper is set, and the front end of the first paper sheet is stored for a predetermined length in the storage section 3.
After entering the inside, the front stopper 1 and the sheet moving belt 2 move. Therefore, the rear end portion of the stack of paper sheets 18 is constantly pressed downward by the flexible member 5a of the rotating sheet roller 5, and in this state, the front end of the first paper sheet having a different size is stored in the storage portion. Since it enters the inlet portion of the sheet 3, the sheets 3 having different sizes can be stored in the storage portion 3 without interfering with the rear end of the accumulated sheet 18 that is pressed downward. Moreover, since the accumulated paper sheets 2 are also moved together by the paper sheet moving belt 2, the accumulated paper sheets 18 can be accumulated with the front ends thereof aligned. After the stacking of the first sheet with different dimensions is completed, fix the position of the front stopper 1,
The storing operation is continued until the accumulation of the sheets of the same size is completed.
In this way, paper sheets of different sizes are stacked in one storage unit 3 without interfering with each other.

[0032]

According to the first aspect of the invention, since the position of the stopper can be changed according to the size of the paper sheet, the paper sheets of various sizes can be accumulated in the storage section.

According to the second aspect of the invention, since the position of the stopper can be changed according to the size of the paper sheet after the front end of the paper sheet has entered the storage section, the storage section can accommodate many sheets of various sizes. Various types can be collected.

According to the third aspect of the present invention, the position of the stopper can be changed in accordance with the sheet size after the front end of the sheet has entered the stacker by a predetermined amount, so that the storage section can accommodate sheets of various sizes. Various types can be collected.

According to the fourth aspect of the invention, after the front end of the paper sheet is inserted, the stopper and the laminated paper sheet can be moved together according to the paper sheet size, so that various sizes can be stored in one storage unit. You can stack together the front edges of paper sheets.

According to the fifth aspect, after the front end of the paper sheet has entered the storage portion for a predetermined length, the stopper and the laminated paper sheet can be moved together in accordance with the paper sheet size. You can stack the front ends of paper sheets of various sizes in the storage unit.

[Brief description of the drawings]

FIG. 1 is a cross-sectional explanatory view showing an embodiment of a paper sheet stacking device of the present invention.

FIG. 2 is a control block diagram of the paper sheet stacking device shown in FIG.

FIG. 3 is a flowchart showing an example of the operation of the embodiment shown in FIGS. 1 and 2.

FIG. 4 is a flowchart showing an example of the operation of the embodiment shown in FIGS. 1 and 2.

5 is a flowchart showing an example of the operation of the embodiment shown in FIGS. 1 and 2. FIG.

FIG. 6 is a flowchart showing an example of the operation of the embodiment shown in FIGS. 1 and 2.

FIG. 7 is a flowchart showing an example of the operation of the embodiment shown in FIGS. 1 and 2.

[Explanation of symbols]

1 ... Front stopper, 2 ... Paper sheet moving belt, 3 ... Storage section, 5
... sheet roller, 5a ... flexible member, 6 ... transport path, 7 ...
Stacker inlet sensor, 8 ... Stack guide, 9 ... Front stopper position sensor, 11 ... Conveying path encoder, 12 ... Control section, 13 ... Conveying path driving pulse motor, 14 ... Sheet moving belt, 15 ... Front stopper driving motor, 16 … Upper belt,
17 ... Lower belt, 18 ... Integrated paper sheets.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kunihisa Matsuura 1 Ikegami, Haruoka-cho, Owariasahi-shi, Aichi Hitachi Asahi Plant (72) Inventor Shinji Shibata 1 Ikegami, Haruka-cho, Owariasahi, Aichi Shares Hitachi Asahi Electronics (56) References Japanese Patent Laid-Open No. 61-257860 (JP, A) Actually developed 61-83656 (JP, U)

Claims (2)

(57) [Claims] 1. A transport path for transporting paper sheets one by one, a storage section for stacking and storing the paper sheets, and a storage path provided between the transport path and the storage section and stored in the storage section. A sheet roller that prevents the rear end of the existing paper sheets and the front end of the stored paper sheets from interfering with each other, and a front stopper that aligns the front ends of the paper sheets when the paper sheets are stored in the storage unit. In a paper sheet stacking device including: a stopper drive motor that moves the position of the front stopper, a paper sheet size storage unit that stores the size of a paper sheet to be stored, and a paper sheet that is stacked in the storage unit. Support the underside of
And a paper sheet moving belt that moves toward the front stopper,
When a paper sheet is stored in the storage unit, the size of the paper sheet to be stored is read out from the paper sheet size storage unit, and the stopper moving means is controlled so as to match the read-out size. And a control means for moving the stacked paper sheets and controlling the stacked paper sheet moving means to move the stacked paper sheets. 2. The paper sheet according to claim 1, wherein the paper sheets to be conveyed to the storage section via the conveyance path are conveyed in order from a sheet having a short length in the sheet conveyance direction to a sheet having a long length in the conveyance direction. A collection device for leaves.