JPS6270161A - Paper sheet processor - Google Patents

Abstract

PURPOSE:To make a reverse feed mechanism small-sized by dividing conveyance paths via a gate as a result of judging the obverse and reverse of sheets, providing a reversing device on one conveyance path, and merging both conveyance paths. CONSTITUTION:The obverse and reverse of a sheet P inserted through an inser tion port 2 is judged by a screening section 1, and if it is judged as the reverse, a gate 8 is set to a state shown by a solid line, then the sheet is advanced up to an approach stop member 11 along a carry-in guide frame 9 by an auxilia ry roller 21 and a guide roller 12. The length of the sheet P is made slightly longer than the distance between the stop member 11 and the lug 14 of the auxiliary roller 12. The rear end of the sheet P is bitten by the lug 14 and conveyed toward a mergence guide 13 and carried out in the direction of an arrow O by a belt 6. If the sheet P is judged as the obverse, the gate 8 is rotat ed to the position of a dotted line, and the sheet P is conveyed by belts 5, 6 and discharged in the direction of the arrow O via the mergence guide 13. Accordingly, sheets are discharged with the obverse and reverse aligned reliably.

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a paper sheet processing device, and in particular, to a paper sheet processing device that is capable of reversing a first surface and a second surface of a paper sheet during the conveyance of the sheet. The present invention relates to a paper sheet processing device having a paper sheet reversing function.

[Background of the invention]

A conventional paper sheet processing apparatus of this type having a paper sheet reversing function is disclosed in Japanese Patent Application Laid-open No. 117391/1983, for example, as disclosed in Japanese Patent Application Laid-Open No. 117391/1983, which has a part of the transport path for deposited banknotes and a part of the conveyance path for deposited banknotes, and a paper sheet processing apparatus having a paper sheet reversing function. A banknote front and back side collecting means including a bladed roller and a reversing plate having a stopper is provided in a common path with a part of the conveyance path of the banknote, and based on the identification result from the banknote identification means for identifying the front and back sides of one banknote, The above-mentioned reversing plate is operated to align the front and back sides of the banknotes in a fixed direction.

However, with this structure, if the interval between consecutively conveyed banknotes becomes narrower than a predetermined value, depending on the timing of the reversing plate, the banknotes may be pinched or the banknotes being reversed may be thrown up toward the surface banknote transport path. occurs. Additionally, bills with irregular dimensions in the conveying direction or with deformed parts such as curls or folds may not be conveyed by the bladed rollers or the reversing plate.

[Purpose of the invention]

The present invention is capable of reliably reversing the first and second surfaces of one sheet even if there is an abnormality in size in the collection direction of the sheet or deformation of the sheet. The purpose of this invention is to provide a paper sheet processing device with the overall structure of the mechanism.

[Summary of the invention]

The present invention includes a first conveyance section that conveys paper sheets, and a first conveyance section that conveys paper sheets.
a sorting means for sorting paper sheets based on the discrimination result from the discrimination section for discriminating at least a first side and a second side of the paper sheets; a second conveying section located on the carry-in side of the first conveying section and conveying the paper sheets sorted by the sorting means; and a conveying direction of the paper sheets provided in connection with the second conveying section. a sheet conveying direction reversing means for reversing the sheet conveying direction; and a guide for guiding the sheet from the second conveying section to the reversing means and from the reversing means to the discharge side of the first conveying section. It is characterized by comprising a roller.

[Embodiments of the invention]

Hereinafter, embodiments of the present invention will be described with reference to each drawing. In the following explanation, paper sheets with the front side facing the first side refer to all paper sheets that do not require flipping, and paper sheets with the front side facing the second side refer to paper sheets facing the back side. refers to paper sheets that require one face-to-face reversal.

FIG. 1 is a cross-sectional side view illustrating an embodiment of the present invention, and FIG. 2 is a plan view of the main part of FIG. 1. In this embodiment, paper sheets are inputted one by one through an inlet 2 of a discriminating section 1 that distinguishes the front and back sides of the paper sheets, and a plurality of pairs of rollers 3 are driven by a motor (not shown). It is transported to exit 4. In this embodiment, the conveyor belts 5, 6
a conveyance path structure formed by a combination of the above, a dividing section 8 that faces the outlet 4 of the discrimination section 1 and is rotatable about a shaft 7, and a carry-in guide frame 9 for smoothly reversing the reversed paper sheets to be reversed.
, an unloading guide 10, an entry stop member 11, a guide roller 12, a merging guide 13, and the like. One or more protrusions 14 are attached to the outer peripheral surface of the guide roller 12 mentioned above. The aforementioned conveyor belt 5 is endlessly wound around pulleys 15°16.17. The conveyor belt 6 is endlessly wound around pulleys 18, 15, 17, 16, 19, and 20, and among these, the pulleys 15, 16, and 17 are all wound around the conveyor belt 5. Each pulley rotates in the direction of the arrow.

Further, the sorting section 8 rotates about the shaft 7 to switch between the position shown by the solid line and the position shown by the two-dot chain line based on the paper sheet front/back discrimination signal from the above-mentioned discriminating section 1. Here, the distance from the outer circumferential surface of the guide roller 12 to the approach stop member 11 is set to be approximately equal to the length of the reverse paper sheet in the conveying direction, and the distance from the outer circumference of the protrusion 14 to the approach stop member 11 The distance is configured to be somewhat smaller than the length of the face-down paper sheet in the conveying direction. , 21 are auxiliary rollers for carrying the paper sheets facing down between the carry-in guide frame 9 and the carry-in guide frame 10. At this time, the outer peripheral surface of the protrusion 14 is
It is arranged so as to intersect with the carry-in guide frame 9 and the auxiliary roller 21.

Next, the operation of this embodiment will be explained. The paper sheets that have been subjected to front and back discrimination in the discrimination section 1 immediately reach the sorting section 8 from the outlet 4.The discrimination section 1 distinguishes the front and back sides of the paper sheets, and if it is determined that the paper sheets are the back side, the paper sheets are transferred to the sorting section 8. is rotated counterclockwise about shaft 7 to a position shown by a two-dot chain line based on a farewell signal by a drive source not shown in FIG. Therefore, this front-facing paper sheet is guided to the sorting section 8 which has been switched to the state 8, is held between the conveyor belts 5 and 6, and is held by the merging guide 13.
transported to. Thereafter, the paper sheet is transported to, for example, a paper sheet storage section (not shown).

When the discriminating section 1 determines that it is a back, the sorting section 8 returns to the position shown by the solid line in FIG. 1 based on the discriminating signal from the discriminating section 1. Therefore, these paper sheets facing down are separated from paper sheets facing front by the sorting section 8, and are reversed by the following operation.

This reversal operation will be explained with reference to FIGS. 3 to 6.

FIG. 3 shows the side end surface 22a and the front end 22b of the paper sheet 22 when it enters the reversing section, and FIG. 4 is a plan view thereof. A protrusion 14 attached to the outer peripheral surface of the guide roller 12. Since the position of the outer peripheral surface intersects with the auxiliary roller 21 and the carry-in guide frame 9, the face-down paper sheet 22 receives a forced deformation force when it comes into contact with the protrusion 14, and is pressed against the carry-in guide frame 9. It will be done. In this way, 2
Since the paper sheets 22 facing II are forcibly deformed, their rigidity increases in appearance, and even banknotes with curls, creases, etc. can be smoothly moved inside the carry-in guide frame 9 and the carry-out guide frame 10. It becomes possible to advance and finally reach the entry stop member 11.

FIG. 5 shows a state in which a face-down paper sheet 22 enters the guide frames 9, 10. In FIG. 5, the distance from the outer peripheral surface of the protrusion 14 to the path stop member 11 is arranged to be somewhat shorter than the length of the reverse paper sheet 22 in the conveying direction, and as the protrusion 14 rotates.

The rear end 22c of the reverse paper sheet 22 moves from the thick solid line as shown by the two-dot chain line 22d and is pressed against the carry-out guide frame 10. Next, as shown in FIG. 6, this face-down paper sheet 22 receives a forced deformation force between the protrusion 14 and the carry-out guide frame 10, and is pressed against the carry-out guide frame 10. At this time, due to the frictional force between the face-down paper sheet @22 and the protrusion 14, it is smoothly conveyed along the merging guide 13.

Therefore, all of the face-down paper sheets 22 carried out from the merging guide section 13 become paper sheets oriented in the same direction as the front-face paper sheets, and are conveyed to a post-processing section (not shown). In addition, the length of each conveyance path and the conveyance time are adjusted so that the conveyance time for front-facing sheets from the first sorting section 8 to the merging section 13 is approximately equal to the conveyance time including the reversing operation for reverse-facing sheets. Since the speed and rotational speed of each roller are set, when the paper sheets that have been sorted and reversed in the first sorting section 8 are conveyed from the merging guide 13 to the post-processing section, there is no variation in the distance between the sheets facing the front side. This does not occur and does not cause any inconvenience in post-processing.

Next, FIG. 7 shows a paper sheet 22' that is not turned over and whose length in the conveying direction is abnormally short, for example, a paper sheet 22' that is folded in two.
The state of the filter paper sheets 22 being conveyed through the sorting section 8 is shown when the filter paper sheets 22 enter the room. Since such paper sheets usually cause problems in the post-processing section, they are removed by a sorting means (not shown) before reaching the post-processing section. However, as shown in this figure, by making the distance between the end point of the nipping rollers 3, 3 and the starting point of nipping by the conveyor belts 5, 6 sufficiently close, paper sheets with an abnormally short length in the conveyance direction can be handled. , it can be transported smoothly.

In addition, in the above-illustrated embodiment, the winding method of the belt constituting each conveyance path is not limited to the illustrated example, and the feeding direction and length of the paper sheet may vary depending on the size of the paper sheet to be handled. Needless to say, the design can be changed as appropriate depending on the properties, etc.

Further, it goes without saying that the position of each roller, the position of each guide, the position of the guide, etc. can be arbitrarily selected according to the properties of the paper sheets to be handled.

8 and 9 are views showing other embodiments of the present invention, with FIG. 8 being a side view and FIG. 9 being a plan view of the main parts thereof.

In the embodiments shown in FIGS. 1 and 2 described above, the auxiliary rollers 21 were sandwiched between the guide rollers 12, respectively, whereas in the embodiments shown in FIGS. The difference from example 1 is that the guide rollers 12 are sandwiched between the auxiliary rollers 21, respectively. Therefore, the positions of the carry-in guide frame 9 and the carry-out guide frame 10 are also shown in the shapes shown in FIG. 2 and FIG. 9.

The mounting position is different. However, the frictional conveying force of the protrusion 14 and the smooth reversing operation based on the forced deformation effect of the guide roller 12 on the face-down paper sheets are completely the same as in the embodiment shown in FIGS. 1 and 2. It is.

10 and 11 show still another embodiment of the present invention, with FIG. 10 being a side view and FIG. 11 being a plan view of the main part thereof. This embodiment is different from the embodiment shown in FIGS. 1 and 2 described above in that the shape of the carry-out guide frame 10 is different and that an auxiliary carry-out roller 23 is provided. This is loading guide frame 9
This is for smoothly inserting the rear end of the paper sheet, which has been turned inside out, into the interlocking part between the guide roller 12 and the auxiliary Ill roller 23 in the space constituted by the unloading guide frame 10. It becomes possible to turn the front and back sides.

Other functions are completely similar to the embodiments of FIGS. 1 and 2.

In each of the embodiments described above, the shape, number, and height of the projections 14 attached to the circumference of the guide roller 12 are not limited to those shown in FIG. 1.

For example, a triangular shape as shown in FIGS. 12(a) and 12(c) or an oblique planting as shown in FIG. 12(b) can be considered. These protrusions 14 are arranged depending on the conditions such as the rigidity, curling, and folding of the paper sheets to be handled.
Although it can be selected arbitrarily, its effects and functions are the same as those of the above-mentioned embodiments.

According to the present invention, it is possible to reversely convey paper sheets while conveying them, and even when conveying a mixture of front-facing and reverse-facing paper sheets, the conveyance order and conveyance interval are kept constant, and all Paper sheets can be sent out face up, making it easier and more accurate to stack and store paper sheets in the post-processing section. In addition, the apparent rigidity of the paper sheet can be increased by the guide roller when the paper sheet is reversely conveyed.
Also suitable for paper sheets that are curled or folded.

It has the effect of reliably reversing the situation.

In addition, if there are paper sheets that are abnormally short in length in the transport direction, they can be smoothly transported to the post-processing section.

Further, since the paper sheets that have been discriminated in the discrimination section immediately enter the sorting section of the reversing and feeding mechanism, the entire mechanism can be simplified and downsized.

〔Effect of the invention〕

As explained above, according to the present invention, even if there is a size abnormality in the conveying direction of the paper sheet or deformation of the paper sheet, it is possible to reliably turn the paper sheet upside down, and the reversing feed mechanism can be made smaller.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional side view showing an embodiment of the present invention, Fig. 2 is a plan view of the main part of Fig. 1, and Figs. Figure 3 is a sectional side view, Figure 4 is a perspective view of main parts, Figures 5 and 6 are sectional side views, and Figure 7 is a sectional side view.
8 is a cross-sectional side view of another embodiment of the present invention, and FIG. FIG. 10 is a sectional side view of still another embodiment of the present invention, FIG.
The figure is a plan view of the main part of Fig. 10, and Fig. 12 (a), (b), and (c).
) is a diagram showing another embodiment of the guide roller in the present invention. DESCRIPTION OF SYMBOLS 1... Identification part, 5.6... Conveyance belt, 8... Sorting part, 9... Carrying-in guide frame, 10... Carrying-out guide frame, 11... Approach stop member, 12...・Guide roller, 1
3...Merge guide, 14...Protrusion, 15-20.
...Pulley, 21°F) No. 1 '$ 7 Fig. No. 10 (Kyu 1 (43-) (C)

Claims (1)

[Claims] 1. In the middle of the conveyance path for conveying paper sheets, the first side and A paper sheet processing apparatus having a reversing mechanism that selectively reverses a second surface, a first transport section that transports paper sheets from the discrimination section; a sorting means for sorting paper sheets into first face-facing paper sheets and second face-facing paper sheets based on the discrimination result of the discrimination signal; , a second conveyance section that conveys one of the paper sheets sorted by the sorting means, and a conveyance direction of the paper sheets provided in connection with the second conveyance section. A sheet conveying direction reversing means for reversing the paper sheet, and a guide roller for guiding the sheet from the second conveying section to the reversing means and from the reversing means to the discharge side of the first conveying section. A paper sheet processing device comprising: