JP3866090B2 - Paper sheet feeding device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a paper sheet feeding device used in various paper sheet processing machines such as a banknote counter.
[0002]
[Prior art]
A paper sheet feeding device used in a bill counter or the like is configured to feed paper sheets set in a stacked state one by one and carry them out to the next process.
[0003]
Such a paper sheet feeding device generally includes a kicker roller and a feed roller in which a high friction portion is formed on a part of the outer periphery in order to kick out and carry the stacked paper sheets one by one. A gate member is provided opposite the feed roller, and a gate portion is formed between the feed roller and the gate member to pass one sheet of paper and prevent the second and subsequent sheets from being taken out. ing.
[0004]
And the kicker roller in the paper sheet feeding device is arranged so as to be located at the rear part of the feed roller, but the target paper sheet is a paper sheet which is weak like a circulation banknote, for example. When the kicker roller kicks out the foremost paper sheet by the feed roller, the front side of the kicker roller buckles and is not smoothly fed into the gate portion. Then, like the paper sheet feeding device shown in Japanese Patent Application Laid-Open No. 2000-339510 filed by the present applicant, the diameter of the kicker roller is reduced to approach the feed roller, and the entire outer periphery is configured with a high friction portion. At the same time, we have developed a pressing member that can be moved back and forth in the vicinity of the kicker roller so that the paper sheet and the kicker roller are in contact with each other only when necessary. As a result, the position where the kicker roller acts is close to the feed roller, and even when the above-mentioned paper sheets and the like with weak waist are fed out, they can be fed out without causing buckling or the like.
[0005]
[Problems to be solved by the invention]
However, in the above-described apparatus, the kicker roller acts by retracting the pressing member, so that the paper sheets that have been pushed away by the pressing member move and come into contact with the kicker roller side by retracting the pressing member. Therefore, at the moment when the kicker roller and the paper sheet contact each other, there is a problem that the paper sheet and the kicker roller are not in contact with each other at a predetermined pressure, so that the kick force cannot be sufficiently applied. Therefore, there is a problem that the paper sheet cannot be strongly kicked out at a predetermined feeding timing, and the feeding timing is delayed or only one side of the kicker roller is delayed and fed out. In particular, when the paper sheet has a different printing pattern depending on the denomination like a banknote and the frictional force between the paper sheets varies, there is a problem that the feeding timing varies depending on the denomination.
[0006]
According to the present invention, the kicker roller can have a small diameter and can be provided close to the feed roller while accurately maintaining the paper sheet kicking timing, regardless of the properties of the paper sheet. The task is to enable reliable delivery.
[0007]
[Means for Solving the Problems]
As a means for solving the above-mentioned problems, the present invention has a high friction portion formed on the outer periphery for contacting the surface of the frontmost paper sheet in the stacked state and kicking out the paper sheet. And a kicker roller having a small-diameter portion formed on a part of the outer periphery, and a high friction portion that contacts the surface of the paper sheet kicked out by the kicker roller and feeds the paper sheet. A feed roller formed in a part, a gate member that is provided opposite to the feed roller and separates the paper sheets fed between the feed roller one by one, and the kicker roller; Near the foremost paper sheet so as to be able to move forward and backward, pressing the foremost paper sheet during advancement to cut off contact with the kicker roller, and for leaving the foremost paper sheet when leaving Press to contact the kicker roller The pressure is applied until at least the leading edge of the fed paper sheet is delivered to the downstream conveying means from the feeding start timing at which the high friction portion of the feed roller contacts the member and the frontmost paper sheet. A paper sheet provided with advancing / retreating switching means for retracting the member and for advancing the pressing member until at least the rear end of the fed paper sheet passes through the kicker roller until the feeding start timing In the feed-out device, the kicker roller is set to have a roller diameter that rotates twice or 1.5 turns with respect to one rotation of the feed roller, and the high-friction portion of the feed roller contacts the paper sheet at the feed-out timing. The boundary portion between the small-diameter portion and the large-diameter portion of the kicker roller is set at a timing for kicking out the paper sheets.
[0008]
As a result, even if the diameter of the kicker roller is reduced and placed close to the feed roller, the foremost paper sheets can be securely gripped and fed out at a predetermined timing, especially between the kicker roller and the feed roller. Since the distance between them can be shortened as much as possible, even if the paper sheet is weak like a circulation bill, buckling does not occur at the time of kicking, and reliable feeding can be performed.
[0009]
As described in claim 2, if the small diameter portion of the kicker roller is provided at two positions symmetrical to the radial direction of the roller, and the roller diameter is set to 2: 3 with respect to the feed roller, the kicker roller is picked up every rotation. A portion having a strong kick force, which is a boundary between the large diameter portion and the small diameter portion of the Corolla, can be made to act alternately.
[0010]
If the two kicker rollers are provided by shifting the phase of the boundary between the large-diameter portion and the small-diameter portion of the kicker roller in the circumferential direction as in claim 3, the kicking by the preceding kicker roller will be missed. In this case, immediately after that, the kicker is kicked out by the boundary portion of the succeeding kicker roller, so that it is possible to eliminate the occurrence of kicking errors and to further ensure the feeding of the paper sheets.
[0011]
According to the fourth aspect of the present invention, if a folding paper sheet handling member is provided behind the kicker roller of the pressing member, even if there is a strong fold in the paper sheet, the fold portion becomes the kicker roller. It is possible to reliably prevent contact and payout, and to prevent duplication or chain payout.
[0012]
Furthermore, as in claim 5, by providing an inclined portion on which the rear end portion of the accumulated paper sheets in the paper sheet accumulating section is placed, when the paper sheets accumulated in the vertical direction are fed out from below, the accumulated paper sheets It is possible to reduce the load of the paper sheets being fed out by receiving the load of the kind at the inclined portion, and even if a large amount of paper sheets are accumulated on the paper, it can be fed out smoothly. In addition, if a space is formed in the lower part of the inclined portion where a paper sheet that has not been fed out can be returned to the stacking unit when a feeding failure occurs, the paper sheet that has been fed out may be stacked. There is no occurrence of jam due to returning to the foremost position of the paper sheets, it can be returned smoothly, and troubles in the stacking unit can be prevented.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below with reference to embodiments shown in the drawings.
[0014]
The illustrated embodiment shows a case where the paper sheets P are stacked in the vertical direction and are fed one by one from the lowest paper sheet, and are loaded and stacked in the paper sheet stacking unit 1. The upper part of the sheet P is pressed downward with a predetermined pressure by a pressing body (not shown). Therefore, in this embodiment, the lowest paper sheet is the front paper sheet.
[0015]
A feeding port 2 for the paper sheet P is opened at one side end of the bottom portion 1a of the paper sheet stacking unit 1, and the paper sheet P is moved downstream from the upper and lower edges of the feeding port 2. Guide members 3 and 4 to be guided are continuously provided, and a sheet passage 5 is formed between the guide members 3 and 4.
[0016]
The paper sheet passage 5 extends substantially horizontally from the feeding port 2, and then bends in an arc shape and extends vertically downward. The drawing rollers 6 and 7 are paired outside the end of the vertical portion 5a. It is arranged.
[0017]
As shown in FIGS. 3 and 4, a pair of left and right feed rollers 8, 8 are supported by a shaft 9 at the bent portion of the paper sheet passage 5 so that the outer periphery is located at the center of the passage 5. Is provided. Further, a reverse roller 10 as a gate member is provided in a position directly above the feed roller 8, and one sheet is provided between the peripheral surface of the reverse roller 10 and the peripheral surface of the feed roller 8 immediately after the feeding port 2. A gate portion G that allows passage of only the paper sheet P is configured.
[0018]
The feed roller 8 has a plurality (two in the figure) of grooves 8a and 8a in the circumferential direction, and the reverse roller 10 has protrusions 10a and 10a corresponding to the grooves 8a and 8a of the feed roller 8. A gate portion G is formed at each edge portion of the grooves 8a and 8a and the ridges 10a and 10a, and a pleat is formed on the paper sheet P when passing between the edge portions, resulting in rigidity. The straightness is given and good separation is achieved.
[0019]
High friction portions 11 and 11 are formed on a part of the outer periphery of the feed rollers 8 and 8, and the other outer peripheral surface is a smooth surface. Further, conveying rollers 12 and 12 having the same diameter as the feed rollers 8 and 8 are provided on the outer side in the arrangement axis direction of the feed rollers 8 and 8. , 8 and the high friction portions 11 and 11 and the front end in the rotational direction coincide with each other, and high frictions 13 and 13 are formed over a range of about 3/4 round, and the others are smooth surfaces.
[0020]
As shown in FIG. 7, a plurality of kicker rollers 14, 14... Are supported by shafts 15 at the rear positions of the feed rollers 8, 8.
[0021]
As shown in FIGS. 1 and 2, the kicker roller 14 has a part of the outer periphery as a small diameter part 14a (D cut), and the remaining outer peripheral surface as a large diameter part 14b having a high friction surface. The front end side in the rotation direction of the large diameter portion 14b is a boundary portion 14c.
[0022]
The kicker roller 14 in the embodiment shown in FIG. 1 and FIG. 2 has two small diameter portions 14a and 14a at symmetrical positions on the diameter line, thereby forming two boundary portions 14c and 14c. 14c and 14c cause the boundary portions 14c and 14c of the kicker roller 14 to act alternately for each rotation of the feed roller 8. Therefore, the diameter of the kicker roller 14 is set to 2: 3 with respect to the diameter of the feed roller 8.
[0023]
A pressing member 16 is provided at an upper portion near the kicker roller 14 so as to pass through the bottom plate 1a and move forward and backward in the paper sheet stacking unit 1. The pressing member 16 is movable up and down with respect to the upper end portion of the kicker roller 14. When the pressing member 16 is advanced, the pressing member 16 presses the foremost sheet of the sheets P in the sheet stacking unit 1 to kick it. The contact with the corolla 14 is cut off, and the forward / backward switching means 17 is switched so that the foremost paper sheet is brought into contact with the kicker roller 14 when leaving.
[0024]
As shown in FIGS. 7 and 8, the pressing member 16 is provided between each of the kicker rollers 14, 14... And at the outer end position, and the shape of the pressing member 16 is a side surface so as to straddle the shaft 15 of the kicker roller 14. It has a substantially inverted U-shape, and one end thereof is pivotally supported by a shaft 18, and a cam follower 19 is pivotally attached to the other end. The cam surface of the cam 20 is abutted by a spring force (not shown). Yes.
[0025]
The cam 20 has a substantially half circumference as a large diameter portion 20a, and the other half circumference as a small diameter portion 20b. When the cam follower 19 is positioned at the small diameter portion 20b of the cam 20, the pressing member 16 is lowered with the shaft 18 as a fulcrum. When the cam follower 19 is positioned at the large diameter portion 20a, the pressing member 16 is switched so as to rotate upward about the shaft 18 to take the advanced position. The advance / retreat switching means 17 is not limited to the one using the cam 20, and the pressing member 16 may be advanced / retreated by another mechanism.
[0026]
The operation timing of the feed roller 8, kicker roller 14 and pressing member 16 is at least the leading edge of the paper sheet fed out from the feed start timing at which the high friction portion 11 of the feed roller 8 contacts the frontmost paper sheet P. Until the sheet is delivered to the downstream conveying means (conveying portion by the conveying roller 12 and the conveying pinch roller 29), the pressing member is withdrawn, and at least the trailing edge of the fed paper sheet causes the kicker roller 14 to move away. It is set so that the pressing member 16 is advanced from the passage until the feeding start timing.
[0027]
Further, the boundary portion 14c of the kicker roller 14 kicks out the paper sheet P when the high friction portion 11 of the feed roller 8 comes into contact with the paper sheet.
[0028]
A position directly above the cam follower 19 of the pressing member 16, that is, between the sheet stacking unit 1, the kicker rollers 14, 14. .
[0029]
As shown in FIGS. 7 and 8, when the folded paper sheet handling member 21 is located at the position of the kicker rollers 14, 14... Is for abutting against kicker rollers 14, 14... In a non-kicking state to prevent kicking.
[0030]
On the feed roller 8 side of the vertical portion 5 a of the paper sheet path 5, a pinch roller 22 is provided between the feed rollers 8 and 8 and outside thereof by a shaft 23, and a stopper corresponding to the pinch roller 22 is provided. 24 is swingably supported by the shaft 25.
[0031]
In the stopper 24, one side surface 24a on the pinch roller 22 side is substantially straight, and when the stopper 24 swings toward the pinch roller 22 side, the tip of the one side surface 24a abuts on the peripheral surface of the pinch roller 22 and the sheet P It is designed to stop progress.
[0032]
The stopper 24 is swung in synchronism with the rotation of the feed roller 8, and the swing mechanism is configured as follows. That is, the ends of the arm 26 whose one end is fixed to the shaft 9 of the feed roller 8 and the arm 27 whose one end is fixed to the shaft 25 of the stopper 24 are connected by the lever 28 so that the high friction of the feed roller 8 is achieved. Immediately before the paper sheet P is sent out to the paper sheet passage 5 by the section 11 and the leading end reaches the position of the stopper 24, the stopper 24 swings leftward in FIG. The rollers 22 are in contact with each other to prevent the paper sheet P from proceeding.
[0033]
On the other hand, on the outside of the guide member 3 of the paper sheet passage 5, a support arm 30 that swingably supports a conveyance pinch roller 29 that contacts the outer peripheral surface of the conveyance roller 12 at a position immediately after the gate portion G is provided. A base portion is pivotally supported by a shaft 31, and a base portion of an operating arm 32 extending in a direction opposite to the support arm 30 is pivotally supported on the shaft 31, and a cam follower 33 is pivotally attached to the distal end of the operating arm 32. In addition, the cam surface of the cam 34 on the shaft 25 of the stopper 24 is brought into contact with the cam surface.
[0034]
A spring 35 is hung across the support arm 30 and the operating arm 32, the conveying pinch roller 29 is connected to the conveying roller 12 coaxial with the feed roller 8, and the cam follower 33 is connected to the cam 34. When the cam follower 33 is pushed out by the large diameter portion of the cam 34, the contact force W of the transport pinch roller 29 against the transport roller 12 is strengthened, and the cam follower 33 is When the small diameter portion of the cam 34 is reached, the contact force w of the conveying pinch roller 29 against the conveying roller 12 is weakened.
[0035]
When the stopper 24 is separated from the pinch roller 22 and does not perform the stop function (the state shown in FIG. 1), the cam follower 33 is positioned at the large diameter portion of the cam 34 and pushes out the cam follower 33. When the force is increased and the conveying pinch roller 29 comes into contact with the conveying roller 12 with a strong force W, and the reverse function is achieved (the state shown in FIG. 2), the cam follower 33 is positioned at the small diameter portion of the cam 34. Thus, the urging force by the spring 35 is weakened, and the contact force w (conveying force) of the conveying pinch roller 29 to the conveying roller 12 is weakened.
[0036]
This is because when the fed paper sheet P is in an obliquely fed (skewed) state, the leading edge of the paper sheet P stops against the stopper 24, and then the conveying force by the conveying pinch roller 29 is increased. This is to weaken and feed the delayed side of the paper sheet P with a weak conveying force, thereby providing the function of aligning the leading edge of the paper sheet P straight at the position of the stopper 24.
[0037]
1 and 2, reference numeral 14 ′ denotes an auxiliary kicker roller in which a boundary portion 14 c between the large-diameter portion 14 b and the small-diameter portion 14 a of the kicker roller is shifted in the circumferential direction.
[0038]
At the rear end position in the paper sheet stacking unit 1, an inclined part 36 inclined downward toward the front on which the rear end of the lower layer of the stacked paper sheets P is placed is formed. When the paper sheets are loaded in a stacking state, the rear end of the lower paper sheet P becomes sashimi and is shifted forward so that one sheet can be easily separated at the time of feeding.
[0039]
In the present invention, a space portion 37 is formed below the inclined portion 36 so that when the paper sheet P ′ is pulled back when the feeding is defective, it is not pulled under the stacked paper sheet P but into the space portion 37. Has been made. Accordingly, the pulled paper sheet P ′ is smoothly returned without interfering with the stacked paper sheets P.
[0040]
Next, the operation will be described.
[0041]
FIG. 5 is an explanatory view showing the feeding principle of the present invention. Here, the small diameter portion 14a (D cut) of the kicker roller 14 is one place, and the circumferential length is 1: 2 with respect to the feed roller 8. FIG.
[0042]
When the paper sheets P are loaded in the stacked state in the paper sheet stacking unit 1 and the apparatus is started, the driven rollers including the kicker roller 14 and the feed roller 8 rotate in the direction of the arrow, and the kicker roller 14 , The foremost paper sheet P is kicked out at the boundary portion 14c (FIG. 5A).
[0043]
The kicked paper sheet P is separated into only one sheet by the gate part G, and the second or more paper sheets P are retained by the rotation of the reverse rotation roller 10. The sheet P thus fed out is fed by the large diameter portion 14b of the kicker roller 14, the high friction portions 11 and 13 of the feed roller 8 and the conveying roller 12, passes through the gate portion G, and passes through the sheet path. 5 (FIG. 5B).
[0044]
When the rear end of the paper sheet P in the feeding direction passes the large diameter portion 14b of the kicker roller 14, the pressing member 16 rises to push up the next paper sheet P and take out the second paper sheet P. (FIG. 5C).
[0045]
FIG. 6 shows a case where two small diameter portions 14 a and 14 a are formed on the outer periphery of the kicker roller 14, and the circumferential length thereof is 2: 3 with respect to the feed roller 8.
[0046]
In this case, for each rotation of the kicker roller 14, a portion having a strong kick force that is a boundary between the large-diameter portion 14b and the small-diameter portion 14a of the kicker roller 14 can be made to act alternately.
[0047]
Next, the specific operation of the embodiment shown in FIG. 5 will be described with reference to FIGS.
[0048]
When the foremost paper sheet P is kicked out by the boundary portion 14c of the kicker roller 14 from the state shown in FIG. 1, the paper sheet P is separated by the gate portion G and passes through only one sheet. 5 is sent out.
[0049]
The cam follower 19 of the pressing member 16 reaches the large diameter portion 20a of the cam 20 immediately before the large diameter portion 14b of the kicker roller 14 is separated from the lower surface of the paper sheet P. By rotating upward to the fulcrum, the stacked paper sheets P in the paper sheet stacking unit 1 are pushed up and are not in contact with the kicker roller 14.
[0050]
On the other hand, as the rotation of the feed roller 8 proceeds, the arm 26 on the shaft 9 of the feed roller 8 rotates in the clockwise direction in FIG. 1, whereby the stopper 24 is rotated in the clockwise direction in FIG. Swing.
[0051]
When the leading end of the paper sheet P that has been fed out enters the vertical portion 5a of the paper sheet path 5 and reaches the position of the stopper 24, the tip of one side surface 24a of the stopper 24 is the pinch roller. 22 abuts against the circumferential surface of the sheet 22 to prevent the paper sheet P from proceeding. Therefore, even if the paper sheet P is fed out in an oblique posture, the leading edge of the paper sheet P hits the stopper 24 first and waits (state of FIG. 2).
[0052]
At the same time, the cam 34 on the shaft 25 of the stopper 24 also rotates in the same direction and the cam follower 33 comes to the small diameter portion of the cam 34, so that the cam follower 33 is pivotally supported by the support arm 30 opposite to the operating arm 32. When the conveying pinch roller 29 is pressed against the conveying roller 12 with a weak force w that the spring force of the spring 35 is weakened and the paper sheet P is fed out obliquely, the conveying pinch roller 29 has a weak conveying force. Thus, the paper sheet P is conveyed on the delayed side, and on this side, the side where the leading edge of the paper sheet P is in contact with the position of the stopper 24 is slipped and the inclined posture is adjusted.
[0053]
At this time, the arm 26 on the shaft 9 of the feed roller 8 passes the horizontal state and rotates downward, so that the lever 28 is pulled, whereby the one side 24a of the stopper 24 is separated from the pinch roller 22. . As a result, the paper sheet P passes between the pinch roller 22 and the stopper 24, is sent out from the end of the paper sheet path 5, and is delivered between the drawing rollers 6 and 7. Since the drawing rollers 6 and 7 rotate at a high speed, the paper sheet P is pulled out and sent to the next process. At this time, the conveying roller 12 contacting the conveying pinch roller 29 has a smooth surface, and even if the paper sheet P is pulled out at a high speed, slipping occurs and the paper roller P is smoothly pulled out.
[0054]
By repeating the above operation, the paper sheets P in the paper sheet stacking unit 1 can be reliably fed out one by one.
[0055]
When the auxiliary kicker roller 14 ′ having a phase difference between the large-diameter portion 14b and the small-diameter portion 14a of the kicker roller 14 is provided, the kicker roller 14 preceded by the boundary portion 14c kicks out the frontmost sheet P. At the time of no swing, the boundary portion 14′c of the auxiliary kicker roller 14 ′ immediately kicks out the frontmost paper sheet P following the boundary portion 14c of the kicker roller 14, and therefore, kicking due to a kicking failure. It is possible to eliminate the discontinuous payout phenomenon due to omission.
[0056]
When the paper sheet P is fed out, there are three stages: a two-stage change in the pressing force of the conveying pinch roller 29 and a change in the conveying force due to the difference in the material of the outer peripheral surface of the conveying roller 12 with which the pinch roller 29 abuts. A conveyance force is obtained, and an optimum conveyance force from the beginning to the end of feeding of the paper sheet P is given.
[0057]
When a paper sheet P feeding failure occurs, the feed roller 8 and kicker roller 14 including the conveying roller 12 are reversed to pull back the paper sheet P ′. 'Does not enter under the accumulated paper sheet P, but is pulled back into the space 37 under the inclined portion 36. As a result, the paper sheet P ′ pulled back and the stacked paper sheet P do not interfere with each other, jamming in the paper sheet stacking unit 1 is prevented, and re-feeding can be performed smoothly. .
[0058]
If the accumulated paper sheet P has a strong fold Pa, and the fold Pa protrudes downward, even if the pressing member 16 pushes up the accumulated paper P during non-feeding, the fold Pa is There is a risk that the kicker roller 14 will be paid out. However, such a crease Pa does not come into contact with the kicker roller 14 because the crease paper sheet-corresponding member 21 that rises with the pressing member 16 pushes the crease Pa upward when the pressing member 16 rises, and the creased paper It is prevented that the leaves are fed out.
[0059]
【The invention's effect】
As described above, according to the present invention, even if the diameter of the kicker roller is reduced and disposed close to the feed roller so that the kicker roller is brought into contact with the paper sheets only when necessary, the front of the stacked paper sheets is used. It is possible to reliably grip and feed the paper sheets at the predetermined feeding timing. In particular, since the distance between the kicker roller and the feed roller can be shortened, even if the paper sheet is like a weak circulation note, it can be reliably fed out without buckling when kicked, Moreover, even if the paper sheet has a variation in the frictional force between the paper sheets, it can be surely fed out at a predetermined feeding timing.
[0060]
According to the second aspect of the present invention, in addition to the above effect, the boundary portion of the kicker roller can be made to act alternately every rotation of the feed roller, and the diameter of the kicker roller can be set to an appropriate size. it can.
[0061]
According to the third aspect of the present invention, even if the kicking by the preceding kicker roller ends in an idle swing, the kicking is performed immediately after that at the boundary portion of the succeeding kicker roller, and there is no occurrence of a kicking error. This makes it possible to more reliably feed out the paper sheets.
[0062]
According to the fourth aspect of the present invention, even if there is a strong fold in the paper sheet, it is possible to prevent the overlap feeding that the fold portion is fed out while coming into contact with the kicker roller. Can be prevented in advance.
[0063]
According to the fifth aspect of the present invention, when the feeding failure occurs, the paper sheet can be returned smoothly when it is pulled back, and it is possible to eliminate the occurrence of jam at the time of pulling back.
[Brief description of the drawings]
FIG. 1 is a side view showing a state before feeding out a paper sheet of an embodiment of a paper sheet feeding apparatus according to the present invention.
FIG. 2 is a side view showing a state in which the stopper is operated after being fed out.
FIG. 3 is a front view showing an arrangement relationship of each roller in FIG. 1;
FIG. 4 is a perspective view of the same.
FIGS. 5A to 5C are explanatory views showing the operation principle of the present invention. FIGS.
FIGS. 6A and 6B are operation explanatory diagrams when two small diameter portions are provided on the kicker roller.
7 is a plan view showing the positional relationship among the pressing member, the folding fold, and the paper sheet handling pin in FIG. 1;
FIG. 8 is a front view of the same.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Paper sheet collection | stacking part 5 Paper sheet path | routes 6 and 7 Drawing roller 8 Feed roller 10 Reverse rotation roller (gate member)
12 Conveying roller 14 Kicker roller 14C Boundary part 16 Pressing member 17 Advance / reverse switching means 21 Folded paper sheet handling member 22 Pinch roller 24 Stopper 29 Conveying pinch roller 36 Inclined part 37 Unpaid paper sheet backward space part

Claims (5)

A high-friction portion that contacts the surface of the foremost paper sheet that is placed in an accumulated state and kicks out the paper sheet is formed on the outer periphery, and a small-diameter portion is formed on a part of the outer periphery. A formed kicker roller, a feed roller formed on a part of the outer periphery with a high-friction portion that contacts the surface of the paper sheet kicked out by the kicker roller and feeds the paper sheet, A gate member that is provided facing the feed roller and separates the paper sheets fed out from the feed roller one by one, and toward the frontmost paper sheets in the vicinity of the kicker roller A pressing member that presses the foremost paper sheet during advancement to cut off contact with the kicker roller, and causes the frontmost paper sheet to contact the kicker roller when leaving, and Before the foremost paper The pressing member is retracted at least from the feeding start timing at which the high friction part of the feed roller comes into contact until the leading edge of the fed paper sheet is delivered to the downstream conveying means, and at least the fed paper sheet A paper sheet feeding device comprising a forward / backward switching means for advancing the pressing member during a period from the rear end of the paper passing through the kicker roller to the feeding start timing, wherein the kicker roller is fed to the feed roller The roller diameter is set to 2 or 1.5 rotations per one rotation of the roller, and the small-diameter portion and the large-diameter portion of the kicker roller are set at the feeding timing when the high friction portion of the feed roller contacts the paper sheet. A paper sheet feeding device, wherein the boundary portion is set to a timing for kicking out the paper sheet. 2. The paper sheet feeding device according to claim 1, wherein the small-diameter portion of the kicker roller is formed at two positions symmetrical to the radial direction of the roller, and the roller diameter is 3: 2 with respect to the feed roller. The sheet feeding device according to claim 1 or 2, further comprising two sets of kicker rollers in which a boundary portion between the large-diameter portion and the small-diameter portion of the kicker roller is shifted in phase in the circumferential direction. The paper sheet feeding device according to any one of claims 1 to 3, further comprising a member for handling paper sheets that is folded in parallel with an axis of the kicker roller on a rear side of the pressing member with respect to the kicker roller. A paper sheet that is located at a lower part of the rear end of the accumulated paper sheet and has an inclined part on which the rear end part of the accumulated paper sheet is placed in a forward inclined state. The paper sheet feeding device according to any one of claims 1 to 4, further comprising a space for retreating defective paper sheets that allows the retreating of the paper.

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