JP4303866B2 - Conveying direction changing device for rectangular paper sheets - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to the transport of paper sheets in various processing processes for paper sheets such as banknotes, checks, securities, envelopes, postcards, business cards, tickets, commuter passes, etc. The present invention relates to a transport direction conversion device for rectangular paper sheets that are transported by being converted from a longitudinal transport to a short transport or from a short transport to a long transport.
[0002]
[Prior art]
As a direction changing device for switching the conveyance of a rectangular paper sheet as described above from a long conveyance to a short conveyance, there is a conventional one disclosed in Japanese Utility Model Publication No. 49-141198.
[0003]
In the direction changing device described in this publication, a sheet (voucher) conveyed through a main conveyance path is brought into contact with a stopper and stopped, and then a roller for feeding the sheet to the side is pressed against the sheet. The paper sheet is carried out to the side by the turning.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional technique, for example, a paper sheet that has been conveyed in the longitudinal direction can only perform a function in one direction, and cannot be used in the reverse direction.
[0005]
For this reason, in banknote depositing and dispensing machines, etc., insertion when depositing banknotes is a short direction that is easy to insert, and when taking out withdrawals etc., the width of the banknote storage part is made as narrow as possible in the longitudinal direction, making the machine compact It was not possible to apply it when trying to
[0006]
In order to reduce the size of the machine according to the above aspect, the present invention can change the transport direction in the transport system so that the rectangular paper can be switched from the longitudinal transport to the short transport and from the short transport to the long transport. An object of the present invention is to provide an apparatus.
[0007]
[Means for Solving the Problems]
As means for solving the above problems, the present invention provides a longitudinal conveyance path for conveying a paper sheet having a rectangular shape in the longitudinal direction, a short conveyance path for conveying the paper sheet in a short direction, and each of these conveyance paths. A direction changing station provided in a crossing area where the papers intersect at right angles, a paper sheet detecting means which is disposed in each of the transport paths and detects the timing at which the paper sheet enters the direction changing station, and the direction changing station a rotary drive rotatably disposed a longitudinal conveying rollers and transverse transport rollers, and the longitudinal conveying rollers and lateral conveying roller and respectively cooperate in rocking member which is swingably pivotally supported on the machine frame paper A conveyance direction converting roller mechanism having a nipping and conveying roller that pinches and conveys leaves in the conveying direction by the respective conveying rollers, and swinging the swinging member of the conveying direction converting roller mechanism to Driving means for moving the sheet conveying position, by receiving the sheet passage detection signal from the paper sheet detecting means androgynous and a control unit for controlling the drive means, the transport direction changing roller mechanism, its The swinging member is composed of a piece that pivotally supports the holding and conveying roller for conveying in the longitudinal direction and a piece that supports the holding and conveying roller for conveying in the short-side direction. The opposite ends are connected to each other so as to be freely bent in the vertical direction, and urging means for urging each holding and conveying roller in a direction deviating toward the long and short conveying rollers is provided. and the holding and conveying roller is connected to the link member respectively, that one of the pinching transport roller by moving the the link member and the drive means is adapted to be positioned to the sheet conveying position And features.
[0009]
For correction that corrects skew by the leading edge of the paper sheet fed in the short direction coming into contact with the opposite side of the short conveyance path toward the direction changing station to the entry side to the station. By providing the stopper, it is possible to correct the skew of the paper sheet fed to the direction changing station in the short direction, and to perform the conversion to the longitudinal conveyance well.
[0010]
Further, the longitudinal conveying roller and the short conveying roller disposed at the lower position of the direction changing station may be chamfered at the peripheral edge on the side facing the leading edge in the feeding direction of the sheet fed to the station. This is preferable in order to allow paper sheets to smoothly enter the direction changing station.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention will be described below with reference to embodiments shown in the drawings.
[0012]
FIG. 1 shows a plan view of an embodiment of the present invention, FIG. 2 shows a front view, and FIG. 3 shows a side view. A longitudinal direction for transporting paper sheets having a rectangular shape such as banknotes in the longitudinal direction. It has a conveyance path 1 and a short conveyance path 2 that is disposed perpendicular to the conveyance direction of the long conveyance path 1 and conveys paper sheets in the short direction. The intersecting area is defined as a direction changing station 3.
[0013]
As shown in FIGS. 1 and 2, the longitudinal conveyance path 1 has two pairs of upper and lower parts that convey the paper sheet while holding the both sides in the longitudinal direction from the paper entrance / exit 4 to the direction changing station 3. The endless belts 5 and 6 are configured such that one pulley shaft of the lower belt 6 is rotated from the motor M ₁ via the belt 7.
[0014]
As shown in FIGS. 1 and 3, the short conveyance path 2 is composed of three pairs of upper and lower endless belts 8 and 9 that convey the paper sheet while sandwiching both longitudinal end portions and the central portion thereof. Yes. In the range of the direction changing station 3, a receiving plate 10 is disposed in a horizontal state at the same level as the conveying level of the paper sheets by the upper and lower endless belts of the longitudinal conveying path 1 and the short conveying path 2, respectively. Two longitudinal conveying rollers 11 and 11 having an axis perpendicular to the longitudinal direction are provided on the lower surface side of the receiving plate 10 at a position closer to one side in the longitudinal direction, and are fixed to the shafts 12 and 12. , 11 slightly protrudes from a window hole formed in the receiving plate 10, and the rotation is always transmitted from the motor M ₂ to the one shaft 12 via the belt 13. Between them, a belt 12a is wound to rotate synchronously.
[0015]
Two short conveying rollers 14 and 14 having an axis parallel to the longitudinal direction are fixed to the shaft 15 at a position near the other side in the longitudinal direction on the lower surface side of the receiving plate 10. the upper end face 14 is slightly protruded from the window holes formed in the receiving plate 10, the said shaft 15 is adapted to rotate the motor M ₃ through the belt 16 is constantly transmitted.
[0016]
These rollers 11 and 14 are made of a material having at least a peripheral surface with little friction, such as a resin material, in order to smoothly feed the sheets fed to the direction changing station 3. Further, as shown in FIG. 4 (A), the long conveying rollers 11 and 11 are chamfered at the periphery on the side facing the short conveying path 2 as shown in FIG. The leading ends of the leaves in the feeding direction are smoothly moved onto the nipping and conveying rollers 11 and 11 without being caught by the rollers 11 and 11. Further, as shown in FIG. 4B, the short conveying rollers 14 and 14 are chamfered 14a on the peripheral edge on the side facing the long conveying path 1, so that the paper sheets fed from the long conveying path 1 are fed. The front end of the roller is smoothly moved onto the short conveying rollers 14 and 14 without being caught by the rollers 14 and 14.
[0017]
A conveyance direction conversion roller mechanism 17 (hereinafter abbreviated as a conversion roller mechanism) is provided in the upper part of the direction conversion station 3, and a paper sheet fed in the short direction to a position on the back side facing the short conveyance path 2. A stopper 18 serving as a skew correction function for correcting the skew as well as determining the stop position by abutting the leading end in the feeding direction.
[0018]
As shown in FIGS. 5 and 6, the conversion roller mechanism 17 has a swing member 21 that is swingably supported by a machine frame 19 by a shaft 20. Nipping and conveying rollers 22 and 22 for conveying paper sheets in the longitudinal direction in cooperation with the longitudinal conveying rollers 11 and 11 are axially attached to one end side, and the short conveying roller 14 is disposed on the other end side. , 14, and nipping / conveying rollers 23, 23 for conveying paper sheets in the short direction are pivotally mounted, and the nipping / conveying rollers 22, 22 on the longitudinal conveying rollers 11, 11 side are lowered. When the paper sheet can be conveyed, the nipping and conveying rollers 23 and 23 on the other side of the short conveying rollers 14 and 14 are spaced apart upward, and the nipping and conveying rollers on the side of the short conveying rollers 14 and 14 are separated. When 23 and 23 are lowered, the long conveying rollers 11 and 11 are nipped and conveyed. Rollers 22, 22 is adapted to be placed spaced apart upward.
[0019]
The case where the solenoid 24 is used as the driving means D that swings the swinging member 21 and switches the transport direction by the sandwiching transport roller is shown.
[0020]
That is, the plunger 24a of the solenoid 24 and the bearing portion 25 projecting at the upper part of the intermediate position between the holding and conveying rollers 22 and 23 of the swinging member 21 are connected by the link 26, and the side opposite to the connecting direction of the link 26 is connected. A tension spring 28 is stretched between the bearing portion 25 and the machine frame 27, and the sandwiching conveyance roller 23 on the short conveyance rollers 14, 14 side as shown in FIG. , 23 is lowered and placed in a paper-sheet-conveying posture, and the longitudinal conveying rollers 11 and 11 side nipping and conveying rollers 22 and 22 are lowered by the action of the spring 28 as shown in FIG. Then, the paper sheet is ready to be transported.
[0021]
FIG. 7 shows the conversion roller mechanism 17 used in the embodiment of FIGS. 1 to 3. In this embodiment, the swinging member 21 is a piece that pivotally supports the holding conveyance roller 22 for longitudinal conveyance. 30 and a piece 31 that pivotally supports the holding conveyance roller 23 for short direction conveyance, and the end opposite to the end of each of these pieces 30 and 31 that pivotally supports the rollers 22 and 23 is provided. The shaft 32 is connected so as to be bent in the vertical direction. A coil-like spring 33 is wound around the shaft 32 so as to urge the two pieces 30 and 31 downward.
[0022]
Pins 36 and 37 (which may be rollers) provided in a horizontal direction on one side of bearing portions 34 and 35 projecting from the upper portions of the intermediate positions of the respective pieces 30 and 31 are formed on the lower surface of the link member 38. The link member 38 is fitted and connected to a concave portion 39 (which may be a long hole), and the link member 38 is moved in the direction of the arrow in FIG. The pin 36 or 37 is pushed by the inner surface of the recess 39, whereby the piece 30 or 31 on the side where the pin is pushed is raised and rotated, and the other piece is pushed downward by the bias of the spring 33. become. That is, FIG. 7A shows a state in which the link member 38 has moved to the right in the drawing, and the pin 36 is pushed by the inner surface on the rear side in the moving direction of the concave portion 39 of the link member 38, so The piece 30 is rotated so that the conveyance roller 22 is raised, the piece 31 on the short conveyance roller 14 side is rotated downward by the bias of the spring 33, and the nipping conveyance roller 23 is in a paper sheet conveyance state. It is burned. When the link member 38 moves in the opposite direction, as shown in FIG. 7B, the state becomes the reverse of FIG.
[0023]
At a position near the direction changing station 3 on the long conveyance path 1 and the short conveyance path 2, a sheet that detects the sheet conveyed to the station 3 and detects the timing of entering the station 3 is detected. Sensors S ₁ and S ₂ (photosensors) as class detecting means are provided.
[0024]
Then, the paper sheet passage detection signals from these sensors S ₁ and S ₂ are input to the control unit to control the drive means D and the conveyance drive system.
[0025]
That is, when the paper is fed from the longitudinal conveyance path 1 to the direction changing station 3, the driving means D of the conversion roller mechanism 17 is controlled when the leading edge of the fed paper reaches the position indicated by A in FIG. The Further, when the paper is fed from the short conveyance path 2 to the direction changing station 3, the paper sheet P is often skewed as shown in FIG. tip Pa of the side that is a delayed arbitrarily by skew have been made to control the drive means D after a time in anticipation skew correcting time by the stopper 18 from blocking the sensor S _2. Note that when a solenoid is used as the driving means D, a response delay of 20 to 50 ms occurs, so that the time is set in consideration.
[0026]
Next, the operation of the embodiment shown in FIGS. 1 to 6 will be described.
[0027]
When changing the direction of the paper sheet from the longitudinal conveyance to the short conveyance, the conversion roller mechanism 17 of the direction conversion station 3 is in a state where the longitudinal conveyance nipping and conveying rollers 22 and 22 are lowered as shown in FIG. placed and the leading edge of a sheet conveyed on the longitudinal transport path 1 blocks the sensor S ₁ that signal is inputted to the control unit, the paper sheet entering the redirecting station 3 longitudinal conveying roller 11, 11 and nipping and conveying rollers 22 and 22.
[0028]
When the time until the leading edge of the paper sheet in the conveyance direction reaches the position A in FIG. 1 is elapsed, the solenoid 24 of the conversion roller mechanism 17 is excited by the control unit and the plunger 24a is pulled in, thereby the swinging member. 21 rotates about the shaft 20 against the spring 28 in the clockwise direction in the drawing, and the other nipping and conveying rollers 23 and 23 descend to press the paper sheets against the short conveying rollers 14 and 14. Then, the paper sheet is transported in the short direction and sent out to the short transport path 2, and is then transported in the short direction by driving the short transport path 2.
[0029]
When changing the direction of a paper sheet from short conveyance to long conveyance, the conversion roller mechanism 17 of the direction conversion station 3 is in a state where the short conveyance rollers 23 and 23 are lowered as shown in FIG. are placed in the leading edge of a sheet conveyed on the shorter conveying path 2 blocks the sensor S ₂ the signal is inputted to the control unit, the paper sheet entering the redirecting station 3 shorter transport It is nipped and conveyed between the rollers 14 and 14 and the nipping and conveying rollers 23 and 23.
[0030]
When the leading end of the paper sheet in the conveyance direction hits the stopper 18 and the posture is corrected, the solenoid 24 of the conversion roller mechanism 17 is demagnetized by the control unit, and the swing member 21 causes the shaft 20 to be moved by the pulling force of the spring 28. It rotates counterclockwise in the figure in the center, and the other nipping and conveying rollers 22 and 22 are lowered to press the sheets against the longitudinal conveying rollers 11 and 11 to convey the sheets in the longitudinal direction. The sheet is fed to the longitudinal conveyance path 1 and thereafter is conveyed longitudinally by driving the longitudinal conveyance path 1.
[0031]
Accordingly, as in the conventional banknote processing machine, the paper sheet P can only be subjected to the two-dimensional processing of the longitudinal processing in FIG. 9A or the short processing in FIG. Thus, the three-dimensional processing becomes possible, and the degree of freedom of the unit layout of the machine can be remarkably increased.
[0032]
In the case of the conversion roller mechanism 17 shown in FIG. 7, the basic operation is performed in the same manner as in the above-described embodiment. However, according to the embodiment of FIG. 7, both the long and short conveyance rollers 22 and 23 are springs. Since the pressing force of 33 can be applied, an appropriate pressing force can be obtained, and the pressing force of the nipping and conveying rollers 22 and 23 can be changed by shifting the position of the link member 38. The holding and conveying roller 22 for conveyance has an advantage that it is possible to easily cope with the necessity of increasing the conveying force.
[0033]
In addition, if the longitudinal conveyance is made to go straight depending on the purpose of use and it is desired to switch to the short conveyance in the middle, a long conveyance path to the opposite side of the direction changing station 3 may be provided continuously. When it is desired to perform straight movement and direction change, it is possible to easily cope with it by constructing the skew correction stopper 18 so as to be movable up and down and raising it when changing direction and retracting when moving straight. it can.
[0034]
【The invention's effect】
As described above, according to the present invention, paper sheets having a rectangular shape such as banknotes can be transported by switching from longitudinal conveyance to short-length conveyance, or from short-length conveyance to long-term conveyance. Thus, the degree of freedom of the layout of the apparatus for performing processing such as storage can be increased, which can greatly contribute to downsizing of the entire apparatus.
[Brief description of the drawings]
FIG. 1 is a plan view showing an embodiment of the present invention.
FIG. 2 is a front view of the same.
FIG. 3 is a left side view of the same.
FIGS. 4A and 4B show a configuration of a nipping and conveying roller, in which FIG. 4A is a plan view of a nipping and conveying roller for longitudinal conveyance, and FIG.
FIG. 5 is a plan view showing an embodiment of a conversion roller mechanism.
6A and 6B show the operation of the conversion roller mechanism of FIG. 5, in which FIG. 6A is a side view in a short conveyance state, and FIG.
FIGS. 7A and 7B show another embodiment of the conversion roller mechanism and its operation, in which FIG. 7A is a side view in a short conveyance state, and FIG. 7B is a side view in a long conveyance state.
FIG. 8 is an explanatory diagram illustrating a skew correction state by short conveyance in a direction changing station.
FIGS. 9A and 9B are layout comparison diagrams of the prior art and the present invention, in which FIGS. 9A and 9B are schematic diagrams illustrating the prior art and FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Longitudinal conveyance path 2 Short conveyance path 3 Direction change station 10 Receptacle 11 Longitudinal conveyance roller 14 Short conveyance roller 17 Conveyance direction conversion roller mechanism 18 Stopper 21 Oscillation members 22, 23 Nipping conveyance rollers 30, 31 Oscillation members Constituent piece 33 Coil spring 38 Link member D Driving means (solenoid)
M ₁ ~M ₃ motor (forward and reverse drive)

Claims (3)

A longitudinal conveyance path for conveying a paper sheet having a rectangular shape in the longitudinal direction;
A short conveyance path for conveying paper sheets in the short direction;
A direction changing station provided in a crossing area where each of these transport paths intersects at right angles;
A paper sheet detection means for detecting the timing at which the paper sheet is disposed in each of the transport paths and enters the direction changing station;
A long conveying roller and a short conveying roller disposed rotatably in the direction changing station ;
A squeezing and conveying roller that pivotally supports the machine frame in a swingable manner and cooperates with the long and short conveying rollers to nip and convey paper sheets in the conveying direction by the conveying rollers. A worn transfer direction changing roller mechanism;
Driving means for swinging the swinging member of the transport direction changing roller mechanism and moving the nipping transport roller to a paper sheet transport position;
A control unit that controls the driving means in response to a paper sheet passage detection signal from the paper sheet detection means ,
The transport direction converting roller mechanism is composed of a part whose pivoting member pivotally supports a sandwiching transport roller for longitudinal transport and a part that pivotally supports a sandwiching transport roller for short direction transport. Ends opposite to the nipping and conveying rollers of the two pieces are connected to each other so as to be freely bent in the vertical direction, and urging means for urging each nipping and conveying roller in a direction biasing toward the long and short conveying rollers is provided. The connecting portion of each of the pieces and the nipping / conveying roller are respectively connected to a link member, and by moving the link member by the driving means, one of the nipping / conveying rollers is moved to the sheet conveying position. Has been made to
An apparatus for changing the direction of conveyance of a rectangular paper sheet. For correction that corrects skew by the leading edge of the paper sheet fed in the short direction coming into contact with the opposite side of the short conveyance path toward the direction changing station to the entry side to the station. Has a stopper
The conveyance direction changing apparatus for rectangular paper sheets according to claim 1 . The long conveying roller and the short conveying roller disposed at the lower position of the direction changing station are chamfered at the peripheral edge on the side facing the leading edge in the feeding direction of the sheets fed to the station.
The conveyance direction changing apparatus for rectangular paper sheets according to claim 1 or 2 .

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