JPS6226063B2 - - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Field of Application) The present invention relates to a paper sheet feeding device, and the present invention relates to a paper sheet feeding device, in which, for example, even paper sheets bundled by a band can be broken. The present invention relates to a paper sheet feeding device that can feed paper sheets one by one without any problems.

(Prior art) A feeding device that feeds multiple stacked sheets of paper one by one to a desired location was developed by Tokuko Showa.
It is known as disclosed in Japanese Patent No. 48-22747. Generally, such a paper sheet feeding device sequentially shifts the top layer of paper sheets stacked on a table from the stacked position by vacuum suction transfer or friction transfer, and transports the paper sheets, for example. It is configured to feed into the belt.

However, even with the configuration as described above, the following problems occurred. In other words, the paper sheets that are sent out are not necessarily all in the same form; for example, as shown in FIG.
There is also a laminate made by tightly bundling a plurality of sheets with a band P. In order to set such a laminate in a delivery device and send it out one by one, it is necessary to tear or pull out the band P in advance. This so-called stripping work is generally carried out by operators, and the reality is that the existence of this stripping work hinders improvements in paper sheet processing efficiency and labor savings. .

(Problems to be Solved by the Invention) As mentioned above, in the past, operators manually performed stripping and post-processing of the band.
There has been a limit to the ability to improve efficiency and save labor in feeding paper sheets, that is, processing paper sheets.

SUMMARY OF THE INVENTION Accordingly, the present invention is capable of efficiently feeding out paper sheets one by one with the band still attached, even if the paper sheets are bundled by a band, without requiring manual removal by an operator. Moreover, the remaining band can be automatically collected to the designated place.
The object of the present invention is to provide a paper sheet feeding device that can contribute to improving processing efficiency and saving labor.

[Structure of the invention]

(Means for Solving the Problems) In the present invention, a paper sheet holder that holds one or more paper sheet stacks in a stacked state, which is formed by bundling a plurality of paper sheets with a band, is provided. Then, intermittently, the paper sheets located in the outermost layer, which are provided opposite to the paper sheet stack held by this paper sheet holder, are moved one by one in a direction perpendicular to the bundling direction of the band. a feeding mechanism that feeds out; and a driving means that moves the paper sheet holder toward the feeding mechanism to maintain a constant relative position between the feeding mechanism and the paper sheets located at the outermost layer; On both sides of the stack of paper sheets held by the paper sheet holder and closest to the feeding mechanism and parallel to the feeding direction by the feeding mechanism, a speed higher than the moving speed of the paper sheet holder is applied. A pair of sliding contact parts are provided that slide into contact while moving in the same direction as the moving direction of the paper sheet holder at a high speed, and the paper sheet stack is curved by the sliding contact force of the pair of sliding contact parts. means, provided at a position facing the band on one side surface parallel to the feeding direction of the paper sheet stack held by the paper sheet holder by the feeding mechanism; A suction conveying means is provided which moves in the same direction at the same speed and suctions the band remaining after the sheet is sent out by the above-mentioned sending mechanism and conveys it to a predetermined location.

(Function) If the paper sheets held on the paper sheet holder are a stack of sheets bound by a band P as shown in FIG. The closest one is forcibly curved by the curving means so that the trough line extends perpendicularly to the strip P in the feeding direction and the center portion is concave. When bent in this way, the paper sheets located in the outermost layer are released from the restraint from the band P. Therefore, even if the paper sheet is set with the band P attached, each sheet can be fed out one by one without any problem. Further, the last band P remaining after the paper sheets are sent out is conveyed to a predetermined location by the suction conveyance means and collected. Therefore, the belt P is also automatically processed.

(Example) Hereinafter, the details of the present invention will be explained by referring to the illustrated example.

FIG. 2 is a side view showing only the main parts of a delivery device according to an embodiment of the present invention.

In the figure, reference numeral 1 denotes a frame, and on the upper surface of the frame 1 is horizontally fixed a mounting table 2 on which paper sheets Q are placed in a stacked state in a direction orthogonal to the direction of gravity. A slit (not shown) is formed in the center of the mounting table 2 and extends in the left-right direction in the figure, and a pressing plate 3 is fitted into this slit in parallel with the direction of gravity. The lower end of the pressing plate 3 is connected to a rolling ball nut 4, which is screwed into a rolling ball screw 5 disposed parallel to the mounting table 2. The rolling ball screw 5 is rotatably supported by bearings 6a and 6b fixed to the frame 1, and its left end in the figure is connected to the rotating shaft of a motor 8 via a speed reduction mechanism 7. Therefore, when the motor 8 is driven, the rolling ball screw 5 rotates, and as the rolling ball nut 4 moves with this rotation, the pressing plate 3
is controlled to move horizontally in the figure. On the other hand, the upper left end of the mounting table 2 in the figure sends an off signal when the leftmost of the paper sheets Q placed on the mounting table 2 comes into contact with it, and sends an on signal when there is no contact. A position detector 9 consisting of a limit switch and the like is provided, and the power of the motor 8 is controlled to be turned on and off by the output of the position detector 9. That is, when the position detector 9 is sending out the off signal, the power to the motor 8 is controlled to be turned off, and the position detector 9
When the on signal is being sent from the motor 8
The power supply is turned on to the normal rotation side and the second
Movement control to the left in the figure is performed. As a result,
The paper sheet Q located at the leftmost end is always held at a constant position. The motor 8 can be controlled to stop and reverse by external operation.

Therefore, above the mounting table 2, the above-mentioned mounting table 2
An intake cylinder 10 formed in the shape of a flat rectangular cylinder is provided horizontally so as to position the upper end of the paper sheet Q placed thereon. The left end of this intake cylinder 10 extends to a position approximately equal to the leftmost paper sheet Q, and is closed by a plate 11 as shown in FIG. Suction holes 12 are formed in the plate 11, for example, in four rows and three columns.
In addition, the right end of the intake cylinder 10 in FIG. 2 is an intake pump.
Connected to _P1 . Furthermore, air guide cylinders 13a and 13b are provided at the left end of the intake cylinder 10 in FIG.
As shown in FIG. 3, air outlets 14 are formed in the walls of these guide tubes 13a and 13b facing the upper side surface of the left end of the paper sheets Q, respectively. Each guide tube 13a, 13b is connected to a compressor _C1 .

A rotating drum 21 constituting a feeding mechanism is provided above the mounting table 2 in the left direction with its axis oriented in a direction perpendicular to the plane of the paper. As shown in FIG. 3, this rotating drum 21 is formed to have a width narrower than the width of the paper sheet Q, and holes 22 are formed in opposing portions of its peripheral wall, respectively, as shown in FIG. . As shown in FIG. 3, a suction nozzle 23 is fixed inside the rotary drum 21 with its opening close to the inner peripheral surface of the rotary drum 21. As shown in FIG. 2, the inner surface 23a of one wall that regulates the width of the suction nozzle 23 in the circumferential direction is directed toward a position several mm from the upper end of the paper sheet Q located at the leftmost end, and the inner surface 23a of the other wall inner surface 23
b points upward from the intake cylinder 10. The suction nozzle 23 is connected to a hollow shaft 24 fixed concentrically with the rotating drum 21, and this hollow shaft 24 is connected to the suction pump _P2 .

As shown in FIG. 3, a housing 26 is rotatably fitted into the outer periphery of the hollow shaft 24 via bearings 25a and 25b.
A pulley 27 is fitted on the outer periphery of 6. Furthermore, bearings 28a and 28b are attached to symmetrical positions on the end face of the housing 26, and these bearings 28a and 28b are
Shafts 29a and 29b are rotatably supported by 8a and 28b. A planetary gear 31 is disposed on the outer periphery of the shafts 29a and 29b, and meshes with a sun gear 30 fixed to the outer periphery of the hollow shaft 24 in a non-rotatable manner.
a and 31b are respectively attached. Further, disks 32a, 32b are attached to the ends of the shafts 29a, 29b located on the rotating drum 21 side, respectively, and the peripheral edges of these disks 32a, 32b are connected to pins 33a, 33b, connecting plates 34a, 34b. , are connected to an end plate 36 fixed to the edge of the rotating drum 21 via pins 35a and 35b. Note that the diameter of the planetary gears 31a and 31b is the same as that of the sun gear 3.
The diameter of the planetary gears 31a and 31b is set to 1/2 of the diameter of the housing 26.
The rotation of the rotary drum 21 causes the rotary drum 21 to rotate, and the rotary drum 21 rotates at a position where the leading end of the portion where the holes 22 are provided is right next to the upper end of the stacked paper sheets Q in FIG. Each gear and the connection relationship are set in such a relationship that the drum 21 is temporarily stopped. Further, an annular plate 37 is attached to the tip of the hollow shaft 24 so as to have a smaller diameter than the rotating drum 21 and protrude outside the rotating drum 21, and a guide is provided on the outer periphery of the annular plate 37 via a bearing 38a. A pulley 39a is rotatably attached.
Similarly, the guide pulley 39a is also connected to the joint between the rotating drum 21 and the end plate 36 via a bearing 38b.
A guide pulley 39b having the same diameter is rotatably attached. Therefore, on both sides of the rotating drum 21, guide pulleys 39a and 39b having a diameter smaller than that of the rotating drum 21 are coaxially located, and these three pulleys are located at the upper left end in FIG. 2 of the stacked paper sheets Q. You will be facing the department. Two pairs of endless conveyor belts 41 and 42 are arranged parallel to each other above and below the mounting table 2 on the left side in FIG.
The conveyor belt 41 located above these two pairs of belts is supported by guide pulleys 43, 44, 45, etc., and is driven by a drive mechanism (not shown) in the direction shown by an arrow 46 in the figure via the upper part of the mounting table 2. The conveyor belt 42, which is located on the lower side and circulates along the guide pulleys 47 and 45, and the guide pulley 39a
(39b) etc., and circulates in the direction shown by arrow 48 in the figure by a drive mechanism (not shown). Both conveyor belts 41 and 42 are connected to guide pulleys 4
5, and a V-shaped insertion opening 49 is formed to the right of this overlapping portion. Note that the above-mentioned pulley 27 has the above-mentioned conveyor belt 41,
The driving force of the driving source that drives 42 is transmitted via the belt 50.

A support member 61 is disposed on the left side of the mounting table 2 in FIG.
As shown in FIG.
is fixed. Blocks 63a,
63b is attached toward the pressing plate 3, and shafts 64a, 64b are rotatably supported on these blocks 63a, 63b in parallel with the pressing plate 3. And each axis 64a, 6
On the outer periphery of roller 4b are rollers 65a, 6 whose surfaces are made of a material with high frictional resistance, such as rubber.
5b is fitted. Note that the rollers 65a, 6
The shortest distance between 5b and 5b is set to be shorter than the vertical width l of paper sheet Q in FIG. It is set at a position slightly to the right in FIG. 4 from the position . However, the shaft 6
Worm gears 66a, 6 are provided on the outer peripheries of 4a, 64b.
6b are fitted, respectively, and these worm gears 66a, 66b are meshed with worm wheels 67a, 67b, respectively. The worm gear 66a and the worm wheel 67a meshing therewith are each formed with a right-hand thread, and the worm gear 66b and the worm wheel 67b meshing therewith are each formed with a left-hand thread. And the worm wheel 67
a and 67b are fitted onto the outer periphery of a shaft 68 provided below the mounting table 2 in a direction perpendicular to the plane of the paper in FIG. The shaft 68 is rotatably supported by members 69a and 69b fixed to the blocks 63a and 63b described above. The shaft 68 has a coupling 70 and an auxiliary shaft 7.
1 to the rotating shaft of a motor 72 fixed to the frame 1. Note that the motor 72
The number of rotations is set to a value that allows the rollers 65a, 65b to be rotated in the direction indicated by the arrow in FIG. 4 at a circumferential speed faster than the moving speed of the pressing plate 3.

As shown in FIG. 5, a suction box 81 is provided at a position opposite to one side of the left end of the sheet Q placed on the table 2 as shown in FIG. For example, two slits 82 are provided in the wall of the intake box 81 facing the side surface of the paper sheets Q in the same direction as the stacking direction of the paper sheets Q. Connected to pump P ₃ . An endless belt 83 is provided between the suction box 81 and the paper sheets Q placed on the mounting table 2 along the stacking direction of the paper sheets Q and is supported by a guide roller 84 or the like. This endless belt 83 has a plurality of holes 85 formed at equal intervals. The endless belt 83 is controlled to circulate in the direction shown by an arrow 88 in FIG. 5 at the same speed as the pressing plate 3 by the power applied through the belt 86 and pulley 87. Note that 91 in FIG. 2 indicates a band storage box, which will be described later.

Next, the operation of the apparatus of the present invention configured as described above will be explained.

First, the motor 8 is controlled in reverse, and the pressing plate 3 is moved to the second position.
It is moved to the rightmost position in the figure, and in this state, a plurality of stacks of paper sheets Q bound by a band P, for example, are placed on the mounting table 2 as shown in FIG.
Next, the conveyor belts 41, 42 and the belts 50, 86 are driven in the directions shown by the arrows, the intake pumps P ₁ , P ₂ and the compressor C ₁ are started to be driven, and the motor 72 is started to be driven. Also, the motor 8 is switched to the forward rotation side.

In this state, the position detector 9 is not in contact with the paper sheet Q located at the leftmost end in FIG. It moves to the left in FIG. 2, and along with this movement, all the stacked bodies on the mounting table 2 move to the left as one. Then, when it moves to a certain position, the leftmost paper sheet Q is detected by the position detector 9.
Since the motor 8 contacts the motor 8, the motor 8 temporarily stops. on the other hand,
The rotating drum 21 rotates intermittently in the direction indicated by the arrow in FIG. , each time the hole 22 arrives, a large suction force acts on the upper end of the paper sheet Q located at the leftmost end, and as a result, the paper sheet Q located at the leftmost end is attracted to the surface of the rotating drum 21. ,
As the rotary drum 21 rotates, it moves toward the upper left in FIG. 2 and is transferred into the V-shaped insertion opening 49. Then, it is finally sandwiched between conveyor belts 41 and 42 and conveyed to a desired location. When the paper sheet Q located at the leftmost end is fed out in this way, the position detector 9 is turned on, and as a result, the motor 8 is turned on again.
starts normal rotation and moves the pressing plate 3 to the left.
When the paper sheet Q located at the leftmost end comes into contact with the position detector 9, the position detector 9 is turned off, the motor 8 is stopped, and the paper sheet Q located at the leftmost end is moved again in the same manner as above. It is adsorbed by the rotating drum 21 and sent out. In this case, the action of the suction hole 12 provided in the intake cylinder 10 prevents so-called two-sheet feeding, and the guide cylinders 13a, 13b
Layer separation of the paper sheets Q is achieved by the air flow blown out from the air outlet 14 provided in the paper sheet Q.

In this way, the stacked paper sheets Q are sent out one after another, but the paper sheets Q are bundled by a band P, and it is difficult to send out one sheet from the bundled sheet. is generally very difficult. Therefore, in the apparatus of the present invention, the feeding is facilitated in the following manner. In other words, when all the laminates move as a unit to the left in FIG. The side parallel to the roller 65
contact the outer surfaces of a and 65b. The above roller 65
The portions of a and 65b that come into contact with the laminate are moving in the same direction as the moving direction of the pressing plate 3 at a faster speed than the moving speed of the pressing plate 3, so the side surfaces of the laminate are moved by the rollers 65a and 65b. Twisted and rubbed. When rubbed in this way, the laminate tends to move leftward with only its side surfaces ahead, so that the entire laminate curves into an arched shape as shown in FIG. When curved in this way, the frictional resistance between the band P and the paper sheet Q located at the leftmost end becomes extremely small. Therefore, it becomes easy to extract the paper, and as a result, the paper can be fed out one by one.

However, when the paper sheets Q are sent out one after another, only the band P remains.
A suction box 81 is provided opposite the side surface of the laminate that is being fed out one by one, and a belt 83 with holes 85 formed between the suction box 81 and the side surface is connected to the belt 83 indicated by the arrow 8 in FIG. Since the belt P is circulating in the direction shown in FIG. 6, the remaining band P is attracted to the surface of the belt 83 as shown in FIG. 6, and is transferred to the left in FIG. 6 as the belt 83 moves. and,
At the position where the attraction force of the belt 83 is lost, it falls and is stored in the storage box 91. Therefore, the processing of the band P is also carried out automatically.

In this way, both sides parallel to the feeding direction of the stacked paper sheets Q and parallel to the stacking direction are gradually rubbed along the approach direction at a speed faster than the approaching speed of the paper sheets to the main body of the feeding device. By rubbing in a manner that increases the force, the paper sheet is forcibly curved into an arched shape, and is sent out in this state. Therefore, even if the paper sheets Q remain in the form of a laminate bundled by the strip P, the friction between the strip P and each paper sheet Q can be minimized due to the formation of the above-mentioned curvature. This makes it possible to feed out one sheet at a time, eliminating the need for stripping work.
As a result, it is possible to improve paper processing efficiency and save labor. In addition, a mechanism is provided to adsorb and convey the remaining band P to a predetermined location.
Processing of the remaining strips can also be automated, further improving processing efficiency and stabilizing feeding.

In the above-described embodiment, a pair of rollers are used to rub both sides of the sheet, but a pair of circulation belts may be used to rub the opening. Furthermore, paper sheets that are not bound with a band can also be sent out in the same way. In addition, the present invention stacks paper sheets in a direction parallel to the direction of gravity,
This can also be applied to things that are set. Further, all the suction pumps may be shared.

〔Effect of the invention〕

As described above, according to the present invention, by curving a paper sheet stack bound by a band, the outermost paper sheet is released from the restraint by the band, and this state is Since the paper sheets located in the outermost layer are sent out in a direction perpendicular to the bundling direction of the strips by the feeding mechanism, the paper sheets are processed one by one with the strips still attached. It is possible to completely eliminate the unloading work by the operator. In addition, since the remaining band is conveyed to a predetermined location by the suction conveyance means, the remaining band can be completely automatically processed without bothering the operator. Therefore, it can contribute to improving efficiency and saving labor in processing paper sheets.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one form of stacked paper sheets, FIG. 2 is a side view showing main parts of a feeding device according to an embodiment of the present invention, and FIG. 3 is an A-- A-line cutaway view, Figure 4 is B in Figure 2.
5 is a perspective view showing a band removal mechanism in the same embodiment, and FIG. 6 is a view taken along line CC in FIG. 2. 2...Placement table, 3...Press plate, 8...Motor,
9... Position detector, 21... Rotating drum, 23...
...Suction nozzle, 41, 42...Transport belt, 65
a, 65b...roller, 81...intake box, 83...
...Belt, Q...Paper sheet, P...Band, ...Laminated body.

Claims (1)

[Claims] 1. A paper sheet holder that holds one or more paper sheet stacks in a laminated state, which are formed by bundling a plurality of paper sheets with a band, and the paper sheet holder held by the paper sheet holder a feed-out mechanism that is provided opposite to the stack of paper sheets and intermittently feeds the paper sheets located in the outermost layer one by one in a direction perpendicular to the bundling direction of the band; a driving means for moving the paper sheet holder toward the feeding mechanism side in order to maintain a constant relative position with the paper sheet holder; On both sides of the stack of paper sheets closest to the mechanism and parallel to the feeding direction of the paper sheet holder, the paper sheet holder is moved at a speed faster than the moving speed of the paper sheet holder. means comprising a pair of sliding contact parts that slide in contact while moving in the same direction, and for bending the paper sheet stack by the sliding contact force of the pair of sliding contact parts; It is provided at a position facing the band on one side surface parallel to the direction in which the paper sheet stack is fed out by the feeding mechanism, and moves in the same direction at the same speed as the paper sheet holder, and is connected to the feeding mechanism. A paper sheet feeding device characterized in that it comprises a suction conveyance means for sucking the band remaining after the paper sheets have been fed out and conveying it to a predetermined location.