JP2006143457A - Paper sheet supply device and paper sheet supply method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paper sheet supply device and a paper sheet supply method capable of miniaturizing the device, by safely and surely taking out a large and thin paper sheet by one. <P>SOLUTION: This supply device 1 is constituted so that a reverse roller 23 accumulates the paper sheet 10; a first suction belt 25 sends out one or several paper sheets 10 in the predetermined timing; a stopper 32 locks the paper sheet 10 in a state of registering the carrying directional side tip; movable guides 33, 34 and 35 move the paper sheet 10 to the second suction belt 37 side in a state of registering the carrying directional side tip; and release contact with the moved paper sheet 10; and a second suction belt 37 sends out the moved paper sheet 10 one by one. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a paper sheet supply apparatus and a paper sheet supply method, and more particularly to a large paper sheet that is randomly loaded in an upright state from an upstream conveyance path without causing damage. The present invention relates to a paper sheet supply device and a paper sheet supply method that can be carried out downstream.

Conventionally, as an automatic mail processing apparatus, an automatic sorting and stamping machine for a standard size has been used. This automatic sorting and stamping machine has two functions when roughly classified. The first function is a function that takes out a standard-sized mail piece from a large amount of mail pieces having various sizes (vertical x horizontal dimension, thickness) collected, for example, detects the position of a stamp and aligns the direction. . The second function is a function of stamping and collecting stamps on the mail.
Usually, the automatic sorting and stamping machine described above has non-uniform transport intervals for postal items carried out from the sorting unit and may carry out two or more postal items overlapping each other. Therefore, a single take-out device for taking out one pass (appropriately abbreviated as a supply device) is provided. In addition, this single pick-up device has a buffer function for temporarily collecting postal items in order to absorb variations in the amount of postal items being conveyed.

(Conventional example)
Next, a single take-out device according to a conventional example will be described with reference to the drawings.
FIG. 8 is a schematic top view of a single take-out device according to a conventional example.
In the figure, a single take-out device 100 includes a plurality of leveling means 110 and a single take-out means 120.

The leveling means 110 includes a suction belt 111 that rotates in the carry-out direction, a reverse roller 112 that is provided substantially opposite to the central portion of the suction belt 111 and that rotates while being urged clockwise, and a suction belt. A guide 113 is provided substantially opposite to the entrance portion of 111 and rotates in a state of being biased clockwise.
When the plurality of paper sheets 101 are loaded, the leveling means 110 moves the paper sheets 101 toward the suction belt 111 while the guide 113 rotates. Further, the paper sheet 101 on which the reverse roller 112 overlaps is pressed against the suction belt 111 side, and the suction belt 111 sequentially conveys the paper sheet 101 from the reverse roller 111 side. That is, the leveling means 110 can improve the overlapping state of the paper sheets 101. Further, the single take-out device 100 has a configuration in which three leveling means 110 are connected, and the overlapping state of the paper sheets 101 is gradually improved.

  The single take-out means 120 is provided with a plurality of spiral rollers 121 provided with a central axis (not shown) inclined toward the suction belt 123 from the carry-in direction, and above the spiral rollers 121, and is urged clockwise. Detected amount guide 122 that rotates in a closed state, a suction belt 123 that rotates in the carry-out direction, and a reverse roller that is provided substantially opposite the center of the suction belt 123 and rotates while being urged clockwise. 124 and an accumulation receiving plate 125 for receiving the paper sheet 10 carried by the spiral roller 121.

  The spiral roller 121 and the detection amount guide 122 move the paper sheet 101 conveyed from the leveling means 110 to the accumulation receiving plate 125 side. When the supply amount of the paper sheet 101 is larger than the processing amount of the suction belt 123, the reverse roller 124 temporarily accumulates the paper sheets 101 supplied exceeding the processing amount. Thereby, the single take-out means 120 can absorb the variation in the quantity of the paper sheets 101 conveyed at random.

FIG. 9: has shown the general | schematic enlarged top view of the principal part for demonstrating the one feed state of the one taking-out apparatus concerning a prior art example.
In the drawing, the suction belt 123 is provided with a plurality of suction holes (not shown), and a suction portion 127 is provided so as to contact the back surface of the suction belt 123. Thus, when the leading paper sheet 101a is conveyed to the suction unit 127, it is adsorbed to the suction belt 123 through the adsorption hole, and is sent out in the carry-out direction by the rotating suction belt 123.
At this time, if a plurality of subsequent paper sheets 101b overlap the paper sheets 101a, these paper sheets 101b are dragged by the frictional force of the paper sheets 101a until they are locked by the reverse roller 124. Are conveyed together with the paper sheets 101a.

The reverse roller 124 is pivotally supported so that the distance from the suction belt 123 can be varied according to the thickness of the paper sheets 101a and 101b, and corresponds to the paper sheets 101a and 101b having different thicknesses. can do. The reverse roller 124 is urged toward the suction belt 123 by a tension spring 126. However, the thicker the paper sheets 101a and 101b, the stronger the pressure applied by the tension spring 126 and the greater the resistance, so the thickness of the paper sheets 101a and 101b is about 0.2 to 6 mm.
Further, the reverse roller 124 has a resistance enough to prevent the paper sheets 101a and 101b having a minimum thickness of about 0.2 mm from being fed twice, and the reverse roller 124 engages the paper sheets 101b that are not attracted to the suction belt 123. Stop. That is, the paper sheet 101b can be prevented from being conveyed to the downstream side of the reverse roller 124 together with the paper sheet 101a.

As described above, the single take-out device 100 according to the conventional example overlaps with the leading paper sheet 101a (closest to the suction belt 123 side) by the reverse roller 124 functioning as a blocking body that prevents double-feeding. It is possible to prevent the paper sheet 101b from moving in the carry-out direction together with the paper sheet 101a, and to perform one delivery.
In addition, the target object of one pick-up apparatus is not limited to a mail piece, For example, a banknote etc. can also be made into the object and various single pick-up apparatuses are proposed according to the target object.

For example, in Patent Document 1, after adsorbing a paper sheet, the speed of swinging the adsorbed paper sheet in a direction away from the subsequent paper sheet is slow enough to prevent negative pressure between the paper sheets. However, there is disclosed a technique of a paper sheet take-out device that adsorbs and takes out paper sheets accumulated on a supply table one by one.
According to this technique, it is possible to avoid the problem that the paper sheet is not damaged when the paper is taken out one by one, and the paper sheet is damaged even when handling a paper such as a sealed letter or magazine.

Japanese Patent Laid-Open No. 2004-228688 gives play to the storage mechanism drive link system, and when the paper sheet is separated, the link mechanism is inactivated at a position where the storage mechanism is retracted from the stacked paper sheet. Disclosed is a technology for separating and accumulating paper sheets, which reduces the frictional force between separated paper sheets and non-separated paper sheets by reducing the load on the leaves and ensures the frictional force between the separated paper sheets and the pickup roller. ing.
According to this technique, when separating a paper sheet, it is possible to reduce the frictional force between the separated paper sheet and the non-separated paper sheet, thereby suppressing the feeding separation failure.

Patent Document 3 discloses that a stacking unit that decelerates and stacks standing paper sheets using a spiral wire and the decelerating and conveying unit are mounted and that the stacking capacity of the stacking unit is variable. A movable buffer head that is movable in the stacking direction of the paper sheets, and a take-out means that is provided in the paper stacking direction of the stacking means and takes out the endmost paper sheets stacked on the stacking means from the rear end side. A technique for collecting and taking out paper sheets is disclosed.
According to this technique, it is possible to reliably absorb pulsations of the amount of paper sheets that are carried in, and to perform a single stable extraction and to improve the processing capacity of the entire apparatus.
JP 2000-109230 A JP 2002-332169 A Japanese Patent No. 3015630

However, since the thickness of the applicable paper sheet 101 is about 0.2 to 6 mm as described above, the single take-out device 100 is a large thin object for a thickness of about 0.2 to 30 mm. There was a drawback that it could not be applied to paper sheets.
Further, when the paper sheet 101 is enlarged, the frictional force of the stacked paper sheets 101 is increased, and two-feed is likely to occur. Therefore, the reverse roller 124 is attracted to the suction belt 123 with a larger resistance force. It is necessary to lock the paper sheet 101b that is not used. For this reason, the paper sheet 101b is further susceptible to damage because it receives a large resistance from the reverse roller 124.

Further, the single take-out device 100 includes three leveling means 110, and there is a problem that the size is increased.
For example, if the paper sheet 101 that is randomly transported is transported as it is to the single take-out means 120 without providing the leveling means 110 in order to reduce the size, the paper sheet 101b that overlaps the paper sheet 101a to be adsorbed is obtained. The suction belt 123 may be reached in advance. In this case, as shown in FIG. 10, the suction belt 123 sucks the paper sheet 101b at the same time as the paper sheet 101a, and two-feeding occurs. That is, in the single take-out device 100, a plurality of leveling means 110 are indispensable, and there is a problem that the size cannot be reduced.

  In order to solve the above-mentioned problems, the present invention can safely and reliably take out a single large thin paper sheet, and can further reduce the size of the apparatus. The purpose is to provide a supply method.

In order to achieve the above object, a paper sheet supply device according to the present invention transports a paper sheet that is randomly carried in from upstream in a standing state, and transports the paper sheet by the first transport means. A first moving means for moving the paper sheets to the first suction belt side, a stacking means for stacking the paper sheets transported by the first transport means, and the stacked paper sheets A first suction belt that sucks and feeds one or several of the paper sheets at a predetermined timing, and second transport means for transporting the paper sheets fed from the first suction belt in a standing state And a locking means that locks the paper sheet transported by the second transporting means in a state in which the leading ends in the transport direction are aligned, and transports the paper sheet locked by the locking means. Second suction with the direction end aligned Second moving means for moving to the belt side and releasing contact with the moved paper sheets, and second suction for adsorbing and feeding the paper sheets moved by the second moving means one by one And a belt.
If it does in this way, one large thin paper sheet can be taken out safely and reliably, and also a device can be miniaturized.

According to the present invention, the first transport unit is provided with a posture control unit for bringing the paper sheet transported in a vertically long standing state into a horizontally long standing state.
In this way, it is possible to process paper sheets that are aligned in the landscape orientation, so that malfunctions can be reduced.

In the present invention, the first suction belt and the second suction belt are provided with a plurality of suction hole groups for sucking the paper sheets.
If it does in this way, paper sheets can be easily sent out intermittently by controlling the position of a suction hole group.

In the present invention, a pickup roller is provided downstream of the first suction belt and the second suction belt.
If it does in this way, the paper sheets sent out from each suction belt can be conveyed easily and reliably.

Further, in the present invention, the first suction belt sends out the paper sheets after the second suction belt has sent out one or several paper sheets moved by the second moving means. As a configuration.
If it does in this way, it can prevent reliably that subsequent paper sheets and the paper sheets sent out previously are buffered, and can improve the reliability of one taking-out.

In the present invention, the second moving means moves the paper sheets to the second suction belt side and returns to the origin, and then the first suction belt sends out the paper sheets. is there.
If it does in this way, even if it is before the 2nd suction belt sends out all the moved paper sheets, the first suction belt will send out the paper sheets at the time when the receiving means of the locking means is ready. Therefore, the processing capacity can be improved.

In the invention, it is preferable that the second moving unit moves the paper sheet toward the second suction belt, returns to the origin, and the paper sheet is locked by the locking unit. The first suction belt sends out the paper sheet after the sensor for detecting whether or not the paper sheet is not locked by the locking means.
In this case, the paper sheet is conveyed from the first suction belt even though the paper sheet remains in the locking means, the remaining paper sheet becomes an obstacle, and the conveyed paper sheet is It is possible to avoid problems such as being not locked in a state where the front ends in the transport direction are aligned, preventing a transport abnormality and improving the processing capability.

Moreover, this invention is set as the structure which provided the 1 or 2 or more movable guide as said 2nd moving means.
If it does in this way, paper sheets can be reliably moved to the 2nd suction belt side.

Further, in the paper sheet supply method of the present invention, the first transport means transports the paper sheets that are randomly loaded from upstream in a standing state, and the first moving means transports the first transport means by the first transport means. The paper sheets to be moved to the first suction belt side, the stacking means stacks the paper sheets transported by the first transport means, and the first suction belt is stacked on the paper sheets stacked. One or several paper sheets are sent out at a predetermined timing from the paper, the second transport means transports the paper sheets sent from the first suction belt in a standing state, and the locking means is the above-mentioned The paper sheets transported by the second transport means are locked with the leading ends in the transport direction aligned, and the second moving means holds the paper sheets locked by the locking means in the transport direction. Move to the second suction belt side with the side tips aligned. And to release the contact between the paper sheet is moved, the second suction belt, is the paper sheet moved by said second moving means as a method for feeding one by one-mail.
The present invention is also effective as a method for supplying paper sheets. In this way, one large thin paper sheet can be taken out safely and reliably.

Further, the present invention provides the predetermined timing of the first suction belt, wherein the first suction belt adsorbs the paper sheets, and the second suction belt is moved by the second moving means. This is a method in which all or one of the paper sheets is sent out.
If it does in this way, a 1st suction belt can be operated effectively and the danger that a paper sheet will be damaged can be reduced.

Further, the present invention provides a predetermined timing of the first suction belt at a timing when the sheet is moved to the second suction belt side by the second moving means and the receiving posture of the locking means is ready. There is as a way.
In this way, the locking means can lock the paper sheets while the second moving means is feeding the moved paper sheets, so the waiting time of the locking means is shortened. , The processing capacity can be improved accordingly.

  According to the paper sheet supply apparatus and the paper sheet supply method of the present invention, it is possible to safely and surely take out one large thin paper sheet that is randomly loaded. Further, since it is not necessary to provide a plurality of leveling means, the supply device can be reduced in size.

[Paper supply device]
FIG. 1 is a schematic plan view for explaining an embodiment of a paper sheet supply apparatus according to the present invention.
In FIG. 1, a paper sheet supply apparatus 1 (referred to as supply apparatus 1 as appropriate) sequentially accumulates large thin paper sheets 10 (referred to as paper sheets 10 as appropriate) that are carried in. The first supply unit 2 that supplies the paper downstream and the second supply unit 3 that aligns the leading ends of the paper sheets 10 conveyed from the first supply unit 2 and takes them out one by one.
In addition, although the large thin paper sheet 10 has a thickness of about 0.2-30 mm normally, it is not limited to the said thickness especially.

(First supply department)
The first supply unit 2 includes a bottom belt 21 for transporting the paper sheet 10 carried in from upstream, an amount detection guide 22 for moving the paper sheet 10 to the first suction belt 25 side, A reverse roller 23 for separating the paper sheets 10 that have been carried in after being assembled into about 6 papers into about 1 to 3 papers; a chamber 24 for adsorbing the first paper sheet 10 among the accumulated paper sheets 10; The first suction belt 25 that feeds the adsorbed paper sheet 10 and a pickup roller 26 that conveys the fed paper sheet 10 downstream are provided.

<Bottom belt>
The bottom belt 21 as the first conveying means is always rotated by a driving means (not shown) such as an induction motor, and conveys the paper sheets 10 that are randomly carried in from the upstream to the downstream in the standing state.
The bottom belt 21 is provided with a tilting member 28 at the entrance.

<Tilt member>
FIG. 2 is a schematic enlarged view for explaining a tilting member of the supply device according to the present embodiment, wherein (a) shows a top view and (b) shows an AA arrow view.
In the same figure, a tilting member 28 as a posture control means of the paper sheet 10 is inclined in the conveying direction toward the attachment plate 281 standing on the first suction belt 25 side of the bottom belt 21 and the receiving belt 27. , And tilting plates 282, 283, and 284 projecting from the mounting plate 281.
The tilting plates 282, 283, and 284 are attached in descending order from the top in the transport direction, and the paper sheets 10 can be laid down according to the height of the paper sheets 10. The fall plates 282, 283, and 284 are usually elastic bodies made of resin or the like, and are configured so as not to be damaged even if they come into contact with the paper sheet 10.

  By providing the tilting member 28, for example, even when the elongated paper sheet 10 is carried in a vertically long standing state, it comes into contact with the tilting plates 282, 283, and 284 and falls into a horizontally long standing state. Thus, the paper sheet 10 can be easily transported, the transport reliability can be improved, and malfunctions can be reduced.

<Quantity detection guide>
The amount detection guide 22 as the first moving means is pivotally supported downstream of the receiving belt 27 while being urged clockwise. The amount detection guide 22 moves the paper sheet 10 conveyed by the bottom belt 21 to the first suction belt 25 side. When the supply amount of the paper sheet 10 is larger than the processing amount of the first suction belt 25, the amount detection guide 22 transfers the paper sheet 10 supplied and temporarily accumulated exceeding the processing amount to the first suction belt. Energize to 25 side. Furthermore, when the amount detection guide 22 detects that the accumulated amount of the paper sheets 10 increases and exceeds a certain amount, the conveyance upstream of the first supply unit 2 is temporarily stopped.

<Reverse roller>
The reverse roller 23 as the stacking means is made of a deformable material such as sponge, and always rotates at a low speed in the direction opposite to the conveying direction by a drive source (not shown) such as an induction motor. The reverse roller 23 can cope with the paper sheets 10 having different thicknesses by using a deformable material, and also latches and temporarily accumulates the paper sheets 10 supplied exceeding the processing amount. . Further, the reverse roller 23 is made of a deformable material, so that it is possible to avoid such a problem that the accumulated paper sheets 10 are damaged.

Further, the reverse roller 23 of the present embodiment does not need to separate the overlapped paper sheets 10 one by one. For example, the group of 5 to 6 stacked paper sheets 10 is reduced to about 1 to 3. Has resistance to separate. That is, since the reverse roller 23 does not have a strong resistance to separate the paper sheet 10, for example, even a paper sheet 10 having a thickness of about 30 mm can pass through without being damaged.
In the present embodiment, the position of the reverse roller 23 is fixed. However, the present invention is not limited to this. For example, a tension roller that is rotatably provided while being biased toward the first suction belt 25 side. It is good also as a system. In this way, the position of the reverse roller 23 can be changed according to the thickness of the paper sheet 10.

<First suction belt>
In the first suction belt 25, a group of suction holes (not shown) in which about 2 to 6 holes are provided close to each other are arranged at a plurality of positions on the belt at equal intervals. The first suction belt 25 can suck the paper sheet 10 by the suction force from the suction hole group when the suction hole group is located on the suction surface of the chamber 24 as the suction portion.
The first suction belt 25 includes an optical sensor 251 and a servo motor (not shown), and is driven in a state where the rotation position and the rotation amount are controlled by a control unit (not shown). For example, when the paper sheet 10 cannot be conveyed downstream, the control unit rotates the first suction belt 25 until the next suction hole group is positioned on the suction surface of the chamber 24, and stops the servomotor so that the first suction belt 25 stops. Control the motor. That is, the first suction belt 25 can easily send out the paper sheet 10 intermittently by controlling the position of the suction hole group.

<Pickup roller>
The pickup roller 26 is pivotally supported downstream of the reverse roller 23 while being urged clockwise. Further, the pickup roller 26 includes a drive roller 261 that is always rotated in the transport direction by a drive source (not shown) such as an induction motor so as to face the pickup roller 26 downstream of the first suction belt 25. . If it does in this way, the paper sheet 10 sent out from the 1st suction belt 25 can be pinched between the pick-up roller 26 and the drive roller 261, and can be conveyed to the 2nd supply part 3 easily and reliably. .

  Here, preferably, corresponding curved portions (for example, if one is a convex curved portion, the other is a concave curved portion) are formed on the side surfaces of the cylindrical pickup roller 26 and the driving roller 261. Good. In this case, the paper sheet 10 sandwiched between the pickup roller 26 and the driving roller 261 bends according to the shape of the curved portion, so that the mechanical strength is improved and the straightness is increased, and the stopper is more reliably stopped. Up to 32.

(Second supply section)
The second supply unit 3 comes into contact with the bottom belt 31 that transports the paper sheet 10 carried out from the pickup roller 26 and the front end of the paper sheet 10 in the transport direction, and sends one or several paper sheets 10. The stopper 32 that stops in a state in which the leading ends in the transport direction are aligned, and these paper sheets 10 are moved to the second suction belt 37 side in a state in which the leading ends in the transport direction are aligned, and the moved paper sheets Movable guides 33, 34, 35 for releasing contact with the paper 10, a second suction belt 37 that sucks the moved paper 10 and feeds it downstream one by one, and paper fed by the second suction belt 37. A pickup roller 38 that conveys the leaf 10 downstream is provided.

<Bottom belt>
The bottom belt 31 as the second conveying means is always rotated by a driving means (not shown) such as an induction motor, and one or several paper sheets 10 carried out from the upstream pickup roller 26 are in a standing state. To downstream.

<Stopper>
The stopper 32 as a locking means is usually a rectangular plate that is elongated in the horizontal direction, and is provided downstream of the bottom belt 31. The stopper 32 locks one or several sheets 10 conveyed by the bottom belt 31 with the leading ends in the conveying direction aligned.

<Movable guide>
The movable guides 33, 34, and 35 as the second moving means have drive sources such as rotary solenoids 331, 341, and 351, respectively, and rotate by a certain angle according to a command from a control unit (not shown).
The movable guides 33, 34, and 35 are first rotated in the forward direction, moved to the second suction belt 37 side with one or several paper sheets 10 at the front end in the conveyance direction, and then moved to the second suction belt 37 side. The contact with the moved paper sheet 10 is released by rotating in the reverse direction. In this way, even when several sheets 10 are moved to the second suction belt 37 side and overlapped and leaned against the second suction belt 37, the standing sheets 10 are supported. Since only a small force acts, the frictional force generated between the stacked paper sheets 10 can be greatly reduced. That is, even if the leading paper sheet 10 is sent out by the second suction belt 37, the paper sheet 10 that is overlapped with the paper sheet 10 is not dragged out and is thus reliably prevented from being taken out twice. can do.

<Second suction belt>
The second suction belt 37 has suction hole groups (not shown) provided with two to six holes close to each other at a plurality of locations on the belt at equal intervals. When the suction hole group is located on the suction surface of the chamber 36 as the suction portion, the second suction belt 37 can suck the paper sheet 10 by the suction force from the suction hole group.
The second suction belt 37 includes an optical sensor 371 and a servo motor (not shown), and is driven in a state where the rotation position and the rotation amount are controlled by a control unit (not shown). For example, when the paper sheet 10 cannot be transported downstream, the control unit rotates the second suction belt 37 until the next suction hole group is positioned on the suction surface of the chamber 36, and stops the servomotor so that the second suction belt 37 stops. Control the motor.

<Pickup roller>
The pickup roller 38 is pivotally supported downstream of the stopper 32 while being urged clockwise. Further, the pickup roller 38 includes a drive roller 381 that is always rotated in the transport direction by a drive source (not shown) such as an induction motor so as to face the pickup roller 38 downstream of the pickup roller 38. If it does in this way, the paper sheet 10 sent out from the 2nd suction belt 37 can be pinched | interposed between the pick-up roller 38 and the drive roller 381, and can be discharged | emitted downstream easily and reliably.

(Sensor)
A sensor 41 which is a reflection type optical sensor is provided at a position facing the chamber 24 and detects that the paper sheet 10 has reached the position of the chamber 24.
A sensor 43 which is a transmission type optical sensor is provided at an upstream position of the stopper 32 and detects that the paper sheet 10 has reached the stopper 32.
Further, a plurality of sensors 42 (three in the present embodiment) are provided upstream of the second suction belt 37, and there is no paper sheet 10 in the second supply unit 3. Is detected.
Information detected by these sensors 41, 42, and 43 is transmitted to a control unit (not shown) composed of a computer, a sequencer, etc., and used for control of each unit.

Next, operation | movement of the supply apparatus 1 of the said structure is demonstrated.
First, in the supply device 1, the paper sheet 10 is normally carried into the first supply unit 2 from the upstream with a non-uniform interval or two or more overlaps. Here, for example, even if the elongated paper sheet 10 is carried in a vertically long standing state, the paper sheet 10 is tilted sideways by the tilting member 28, so that the paper sheet 10 is aligned in an easy-to-carry direction. And the reliability of conveyance can be improved.

Next, when the bottom belt 21 further conveys the paper sheet 10, the front end of the paper sheet 10 abuts the amount detection guide 22 and moves to the first suction belt 25 side. For example, when a plurality of paper sheets 10 are brought together, the paper sheet 10a closest to the first suction belt 25 is sucked by the chamber 24 via the suction hole group of the first suction belt 25, and the first Adsorbed to the suction belt 25.
Further, the plurality of paper sheets 10 carried in after the paper sheets 10 a are moved to the first suction belt 25 side by the amount detection guide 22 that rotates counterclockwise, and come into contact with the reverse roller 23. Thus, it is temporarily accumulated.

Next, the operation of the first suction belt 25 will be described with reference to the drawings.
FIG. 3: has shown the schematic flowchart figure for demonstrating operation | movement of the 1st suction belt of the supply apparatus concerning this embodiment.
In the figure, the control unit first determines whether or not the sensor 41 is detecting the paper sheet 10, and if not, determines whether or not the sensor 41 is detecting again. When the paper sheet 10 is detected, the process proceeds to the next step S2 (step S1). That is, when the paper sheet 10 is not adsorbed to the first suction belt 25, the first suction belt 25 is stopped without rotating.

  Next, when the sensor 41 is detecting the paper sheet 10, the control unit determines whether or not the sensor 42 is detecting the paper sheet 10. It is determined whether or not it is detected. If not, the process proceeds to the next step S3 (step S2). That is, even if the paper sheet 10 is adsorbed to the first suction belt 25, when the paper sheet 10 remains in the second supply unit 3, the first suction belt 25 stops without rotating. .

Next, when the sensor 42 does not detect the paper sheet 10, the control unit rotates the first suction belt 25 by a certain amount, stops the first suction belt 25 after the rotation, and the sensor 41 again It is determined whether or not it is detected (step S3).
When the first suction belt 25 rotates by a certain amount, the paper sheet 10a adsorbed by the first suction belt 25 and several paper sheets 10 overlapping the paper sheet 10a are usually sent out, and the pickup roller 26 Is conveyed to the second supply unit 3.
That is, even if the paper sheet 10 is adsorbed to the first suction belt 25, after confirming that the paper sheet 10 does not remain in the second supply unit 3, the first suction belt 25 rotates a certain amount. Then, the paper sheet 10 is conveyed to the first supply unit 2.

Since the 1st supply part 2 conveys the paper sheet 10 to the 2nd supply part 3 after the 2nd supply part 3 finishes processing the paper sheet 10 inside for the supply apparatus 1, for example, 2nd supply It is possible to avoid problems such as the paper sheet 10 supplied from the first supply unit 2 colliding with the paper sheet 10 remaining in the section 3.
Further, when the paper sheet 10 is carried in from the upstream while the first suction belt 25 of the first supply unit 2 is stopped, the feeding device 1 removes the carried paper sheet 10 from the reverse roller 23. Can be stacked one after another on the back surface of the adsorbed paper sheets 10a.

Next, operation | movement of the 2nd supply part 3 is demonstrated with reference to drawings.
FIG. 4: has shown the schematic flowchart figure for demonstrating operation | movement of the 2nd supply part of the supply apparatus concerning this embodiment.
In the figure, the control unit first determines whether or not the sensor 43 is detecting, and when not detecting, determines again whether or not the sensor 43 is detecting. The process proceeds to step S12 (step S11). That is, when the paper sheet 10 does not reach the stopper 32, the second suction belt 37 and the movable guides 33, 34, and 35 are stopped.

Next, when the sensor 43 detects the paper sheet 10, the control unit waits for a predetermined time (step S12). While waiting, the second suction belt 37 and the movable guides 33, 34, and 35 are stopped, but the bottom belt 31 is rotating in the transport direction.
Here, the reason for waiting for a certain period of time is that, as shown in FIG. 5, all the sheets 10 (for example, 10 b and 10 c) sent in a stacked manner with the leading end in the transport direction shifted are transferred to the stopper 32. It is to make it reach. In this way, although not shown, the leading ends in the transport direction of the paper sheets 10 (for example, 10b and 10c) transported in a state where the leading ends in the transport direction are shifted can be aligned.

Next, as shown in FIG. 6, the control unit rotates the movable guides 33, 34, and 35 to move the paper sheets 10b and 10c toward the second suction belt 37 (step S13).
Subsequently, although not shown, the movable guides 33, 34, 35 are moved to the second suction belt 37 side after the paper sheets 10b, 10c are moved back to their original positions and moved. Contact with 10b, 10c is released (step S14).

Next, the second suction belt 37 is rotated by a certain amount (step S15).
FIG. 7 shows a schematic enlarged top view for explaining an operation in which the second supply unit of the supply device according to the present embodiment moves the loaded paper sheets to the second suction belt.
In the figure, among the paper sheets 10 moved to the second suction belt 37 side, the paper sheet 10b closest to the second suction belt 37 is the second one when the second suction belt 37 rotates by a certain amount. It is conveyed downstream together with the suction belt 37.

Here, since the movable guides 33, 34, and 35 have already returned to their original positions, the paper sheet 10c overlapped with the paper sheet 10b has almost no frictional force between the paper sheet 10b and the paper sheet 10c. Since it does not occur, even if the second suction belt 37 sends out the paper sheet 10b, the paper sheet 10c is not pulled and sent out. Further, since the leading ends of the paper sheets 10b and 10c in the conveying direction are aligned by abutting against the stopper 32, the second suction belt 37 does not simultaneously adsorb two or more paper sheets 10 (FIG. 6). , 7). That is, the 2nd supply part 3 can send out only the top paper sheet 10b from the carried-in several paper sheets 10b and 10c.
Further, the paper sheet 10 b sent out from the second suction belt 37 is carried out from the supply device 1 by the pickup roller 38. Here, the second suction belt 37 has a plurality of suction hole groups, and sucks the paper sheet 10c after the end of the paper sheet 10b on the side opposite to the conveyance direction passes through the stopper 32. It becomes possible.

  Next, the control unit returns to step S11, determines whether or not the sensor 43 has detected the paper sheet 10, and detects the paper sheet 10c that has overlapped the paper sheet 10b. Next, the paper sheet 10c can be carried out from the supply apparatus 1 by repeating the above steps S12 to 15 for the paper sheet 10c. Although not illustrated, even if the paper sheet 10 further overlaps the paper sheet 10c, only the paper sheet 10c can be reliably sent out from the supply device 1.

Thus, since the supply apparatus 1 concerning this embodiment does not require the reverse roller (for example, the reverse roller 124 of a prior art example) for the purpose of preventing a double feed, it has thickness of about 0.2-30 mm. It can be applied to the target large thin paper sheet 10, and it is not necessary to apply a large external force to the large thin paper sheet 10, so it is safe and reliable without damaging the large thin paper sheet 10. One take-out process can be performed.
Further, since the supply device 1 does not need to be provided with a plurality of leveling means 110 in the conventional example, the size of the device can be reduced.

Moreover, the supply apparatus 1 concerning this invention is not limited to the operation | movement mentioned above, but can improve processing capacity more.
Specifically, after the movable guides 33, 34, and 35 as the second moving means move the paper sheet 10 to the second suction belt 37 side, the movable guides 33, 34, and 35 return to the state parallel to the bottom belt 31 (the origin). The first suction belt 25 may be configured to send out the paper sheet 10 after returning to step (1). In this way, even before the second suction belt 37 sends out all the moved paper sheets 10, the first suction belt 25 is moved to the paper sheets when the stopper 32 is ready to receive. Since 10 is sent out, the processing capability can be improved.

  Preferably, the movable guides 33, 34, and 35, which are the second moving means, move the paper sheet 10 to the second suction belt 37 side and then return to the state parallel to the bottom belt 31 (return to the origin). And a sensor (not shown) for detecting whether or not the paper sheet 10 moved to the second suction belt 37 side is locked to the stopper 32 remains on the stopper 32. The first suction belt 25 may send out the paper sheet 10 after it is detected that the paper sheet 10 has not been detected. In this way, although the paper sheet 10 remains on the stopper 32, the paper sheet 10 is conveyed from the first suction belt 25, and the remaining paper sheet 10 becomes an obstacle and has been conveyed. It is possible to avoid the problem that the class 10 is not locked with the front ends aligned in the conveyance direction, and it is possible to prevent a conveyance abnormality and improve the processing capability.

[Paper supply method]
The present invention is also effective as a method for supplying paper sheets.
In the paper sheet supply method of the present invention, the first transport means transports the paper sheets randomly transported from the upstream in the standing state, and the first moving means transports the paper transported by the first transport means. The leaves are moved to the first suction belt side, the stacking means stacks the paper sheets transported by the first transport means, and the first suction belt is fed one or several times from the stacked paper sheets. Paper sheets fed out at a predetermined timing, the second transport means transports the paper sheets fed from the first suction belt in a standing state, and the locking means transports the paper sheets transported by the second transport means. And the second moving means moves the paper sheets locked by the locking means to the second suction belt side with the conveyance direction side tips aligned. Move it and release the contact with the moved paper sheet. Deployment belt, is a paper sheet which has been moved by the second moving means as a method for feeding one by one-mail.
If it does in this way, one large thin paper sheet can be taken out safely and reliably.

  Preferably, the predetermined timing of the first suction belt is determined according to one or several passages in which the first suction belt adsorbs paper sheets and the second suction belt is moved by the second moving means. The timing when all the paper sheets are sent out is good. If it does in this way, a 1st suction belt can be operated effectively and the danger that a paper sheet will be damaged can be reduced.

  More preferably, at a predetermined timing of the first suction belt, the second moving means completes the movement of the sheets toward the second suction belt, and the receiving means of the locking means is ready (for example, locking) It is recommended that the timing be such that there is no paper sheet remaining in the means. In this way, the locking means can lock the paper sheets while the second moving means is feeding the moved paper sheets, so the waiting time of the locking means is shortened. , The processing capacity can be improved accordingly.

As mentioned above, although the preferable embodiment was shown and demonstrated about the supply apparatus and the supply method of paper sheets of the present invention, the supply apparatus of paper sheets and the supply method of paper sheets concerning the present invention are the above-mentioned. It goes without saying that the present invention is not limited to the embodiment described above, and various modifications can be made within the scope of the present invention.
For example, the first supply unit 2 and the second supply unit 3 of the supply device 1 have an independent structure, but are not limited to this structure. For example, the first supply unit 2 and the second supply unit 3 are connected to each other. It is good also as a structure provided integrally.

  The paper sheet supply apparatus and the paper sheet supply method of the present invention are extremely suitable for an extraction object such as a document, magazine, book, CD case, etc., which is larger than a postcard or the like, but a large extraction object. The present invention is not limited to this, and can be suitably used for small objects to be taken out such as postcards and small envelopes.

FIG. 1 is a schematic plan view for explaining an embodiment of a paper sheet supply apparatus according to the present invention. It is a schematic enlarged view explaining the falling member of the supply apparatus concerning this embodiment, (a) is a top view, (b) has shown the AA arrow line view. The schematic flowchart figure for demonstrating operation | movement of the 1st suction belt of the supply apparatus concerning this embodiment is shown. The schematic flowchart figure for demonstrating operation | movement of the 2nd supply part of the supply apparatus concerning this embodiment is shown. The schematic enlarged upper surface for demonstrating the operation | movement in which paper sheets are carried in to the 2nd supply part of the supply apparatus concerning this embodiment is shown. The 2nd supply part of the supply apparatus concerning this embodiment has shown the general | schematic enlarged upper surface for demonstrating the operation | movement which moves the conveyed paper sheet to a 2nd suction belt. The 2nd supply part of the supply apparatus concerning this embodiment has shown the general | schematic enlarged upper surface for demonstrating the operation | movement which moves the conveyed paper sheet to a 2nd suction belt. The schematic top view of the one extraction device concerning a prior art example is shown. The general | schematic expanded top view of the principal part for demonstrating the single feed state of the single pick-up apparatus concerning a prior art example is shown. The general | schematic expanded top view of the principal part for demonstrating the two-feed state of the single pick-up apparatus concerning a prior art example is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Paper sheet supply apparatus 2 1st supply part 3 2nd supply part 10, 10a, 10b, 10c Paper sheet 21 Bottom belt 22 Quantity detection guide 23 Reverse roller 24 Chamber 25 First suction belt 26 Pickup roller 27 Receiving belt 28 Tilting member 31 Bottom belt 32 Stopper 33, 34, 35 Movable guide 36 Chamber 37 Second suction belt 38 Pickup roller 331, 341, 351 Rotary solenoid 41, 42, 43 Sensor 100 Single take-out device 101, 101a, 101b Paper sheet 110 Leveling means 111 Suction belt 112 Reverse roller 113 Guide 120 Single take-out means 121 Spiral roller 122 Detection amount guide 123 Suction belt 124 Reverse roller 125 Integrated receiving plate 126 Tension spring 127 Suction part 2 51,371 Optical sensors 261, 381 Driving roller 281 Mounting plate 282, 283, 284 Tilt plate

Claims (11)

First transport means for transporting paper sheets randomly transported from upstream in a standing position;
A first moving means for moving the paper sheet conveyed by the first conveying means toward the first suction belt;
Stacking means for stacking the paper sheets transported by the first transport means;
A first suction belt that adsorbs the accumulated paper sheets and sends out one or several paper sheets at a predetermined timing;
A second conveying means for conveying the paper sheet fed from the first suction belt in a standing position;
Locking means for locking the paper sheets conveyed by the second conveying means in a state where the conveyance direction side ends are aligned;
The paper sheet locked by the locking means is moved to the second suction belt side with the conveyance direction side end aligned, and the second is released from contact with the moved paper sheet. Transportation means;
A second suction belt that adsorbs and feeds the paper sheets moved by the second moving means;
An apparatus for supplying paper sheets, comprising:   2. The supply of paper sheets according to claim 1, wherein said first transport means is provided with posture control means for bringing said paper sheets conveyed in a vertically long standing state into a horizontally long standing state. apparatus.   3. The paper sheet supply device according to claim 1, wherein suction holes for sucking the paper sheets are arranged in a plurality of locations in the first suction belt and the second suction belt.   The paper sheet supply device according to any one of claims 1 to 3, wherein a pickup roller is provided downstream of each of the first suction belt and the second suction belt.   The first suction belt sends out the paper sheets after the second suction belt has sent out one or several paper sheets moved by the second moving means. Item 5. The paper sheet supply apparatus according to any one of Items 1 to 4.   2. The second moving means moves the paper sheet toward the second suction belt and returns to the origin, and then the first suction belt sends out the paper sheet. The apparatus for supplying paper sheets according to any one of -4.   The second moving means moves the paper sheet to the second suction belt side, returns to the origin, and detects whether the paper sheet is locked by the locking means. 7. The paper sheet according to claim 6, wherein the first suction belt sends out the paper sheet after detecting that the paper sheet is not locked by the locking means. Feeding device.   8. The paper sheet feeding apparatus according to claim 1, wherein one or two or more movable guides are provided as the second moving means. The first transport means transports the paper sheets that are randomly transported from the upstream in a standing position,
The first moving means moves the paper sheets conveyed by the first conveying means to the first suction belt side,
A stacking unit that stacks the paper sheets transported by the first transport unit;
The first suction belt sends out one or several sheets from the accumulated sheets at a predetermined timing,
A second conveying means conveys the paper sheet fed from the first suction belt in a standing position;
The locking means locks the paper sheets conveyed by the second conveying means in a state where the conveyance direction side ends are aligned,
The second moving means moves the paper sheets locked by the locking means to the second suction belt side with the conveyance direction side tips aligned, and the moved paper sheets Release the contact,
A second suction belt sends out the paper sheets moved by the second moving means one by one;
A method for supplying paper sheets.   According to a predetermined timing of the first suction belt, the first suction belt adsorbs the paper sheets, and the second suction belt is moved by the second moving means. The method for supplying paper sheets according to claim 9, wherein the paper sheets are all sent out.   The predetermined timing of the first suction belt is set to a timing at which the sheet is moved to the second suction belt side by the second moving means and the receiving posture of the locking means is ready. The paper sheet supply method according to claim 9.

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