JPH0751632A - Paper sheets transporting device and paper sheets collecting device - Google Patents

Abstract

PURPOSE:To provide a paper sheets transporting device capable of improving the exactness of a direction changing operation of paper sheets. CONSTITUTION:While the many paper sheets P irregular in their front and rear are successively trasported by a main transporting path 101, the front and rear of the respective paper sheets P are discriminated by a discriminating means. This paper sheets transporting device is constituted to make the transporting state of the respective paper sheets P the same to be either of the front or the rear by changing the transporting direction of the paper sheets P of either the front or the rear by a trasnporting direction changing means 110 having a take-in transporting path 91 branched from the main transporting path 101 and a delivery transporting path 92 communicating with the main transporting path 101 in accordance with the discrimination results of the discriminating means. This transporting direction changing means 110 has a dispersing power imparting mechanism section 115 for imparting the transporting power dispersed to the delivery transporting path 92 side with respect to the plane of fig. of the paper sheets P of either the front or the rear taken in from the take-in transporting path 91. The dispersed transporting power for direction changing is imparted on the paper sheets P by this constitution to improve the exactness of the direction changing operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet conveying device and a sheet stacking device.

[0002]

2. Description of the Related Art In a mail processing device and a stamping device for processing postcards such as postcards and sealed letters as various kinds of mail,
In order to improve the processing efficiency, it is necessary to unify each paper sheet on either the front or back side while sequentially transporting a large number of paper sheets with uneven front and back sides.

A conventional example of a conveying direction changing means of a sheet conveying device used for unifying each sheet as described above on either the front side or the back side will be described with reference to FIG.

The transfer direction changing means 150 shown in the figure includes a take-in transfer path 91 branched from a main transfer path (not shown) and a delivery transfer path 92 connected to the main transfer path, and the intake transfer path 91 and the delivery transfer path 92 are provided. Belt 15 facing
2 and the fixed transfer section 151, and the intake transfer path 9 as well.
1 and a sliding contact conveyance section 153 using a belt 154 facing the delivery conveyance path 92, a rotary solenoid 155 arranged on the side of the sliding contact conveyance section 153, and a rotary contact of the rotary solenoid 155 to displace the sliding contact. Transport unit 153
It is equipped with a roller 156 for slidingly contacting the belt 154 with the belt 152 of the fixed conveyance unit 151 and a paper sheet receiving box 95, and the paper sheets P taken in by the take-in conveyance path 91 in the direction of the arrow a are described above. It is sandwiched between the belt 152 and the belt 154, and the conveying direction is changed to the conveying force of these by the arrow a
The delivery transport path 92 joins the main transport path (not shown).

[0005]

However, when the above-mentioned conveying direction changing means 150 is used, the roller 156 is used.
The belt 154 at approximately one point (or straight line) by
Since the slidable contact with the sheet 52 is made, when the transport direction of various paper sheets P is changed from the arrow a direction to the arrow b direction, the transport force is insufficient due to the poor sliding contact state of the belt 154 with respect to the belt 152. Therefore, there is a problem that failures such as clogging of the paper sheets P frequently occur.

Therefore, the present invention is unified into a paper sheet conveying device and a front or back side, which can impart a conveying force for changing the direction of distribution to the paper sheets and improve the accuracy of the direction changing operation. An object of the present invention is to provide a paper sheet stacking device capable of stacking stacked paper sheets.

[0007]

The invention according to claim 1 is
The front and back of each paper sheet is detected by the detection means while sequentially conveying a large number of paper sheets with uneven front and back sides through the main conveyance path, and based on the detection result of this detection means, the take-in conveyance path and the main conveyance path. The conveying direction changing means having a delivery conveying path connected to the path changes the conveying direction of one of the front and back sheets and sends it to the main conveying path to unify the conveying state of each sheet to the front and back sides. In the paper sheet transporting device, the transport direction changing means imparts a dispersed transport force to the delivery transport path side to the paper surface of either one of the front and back paper sheets taken in from the intake transport path. It has an application mechanism.

According to a second aspect of the present invention, the conveying direction changing means includes a fixed conveying section using a belt rotatably driven to the delivery conveying path side and a sliding contact conveying using a belt rotatively driving to the delivering conveyance path side. The dispersion force imparting mechanism section includes a rotation drive source disposed on the slide contact conveyance section side, and a belt of the slide contact conveyance section that is displaced in an interlocking state by the rotation force of the rotation drive source. And a group of rollers that make sliding contact with the belt of the fixed transport unit at a plurality of points.

According to a third aspect of the present invention, among the rollers that are displaced by the rotational force of the rotary drive source, the latest rollers in the take-in conveyance path and the delivery conveyance path have the belt of the sliding contact conveyance section fixed to the conveyance section. The end of the paper sheet taken in from the take-in / conveying path is directed toward the delivery / conveying path side by sliding it on the belt.

According to a fourth aspect of the present invention, the front and back of each sheet are detected by the detection means while sequentially conveying a large number of paper sheets with uneven front and back through the main conveyance path, and based on the detection result of this detection means Each of the sheets is fed by changing the conveying direction of either one of the front and back sides of the sheet by the conveying direction changing means provided with the take-in conveying path branched from the conveying path and the sending conveying path connected to the main conveying path and sending the sheet to the main conveying path. In a paper sheet stacking device that unifies the transportation state of paper sheets on either the front or back side and stacks the respective paper sheets that are unified on either the front or back surface, the transport direction changing means is either one of the front and back sides that is taken in from the take-in conveyance path. It has a dispersing force imparting mechanism portion for imparting a dispersed conveying force toward the delivery conveying path side to the paper surface of the sheet.

[0011]

The operation of each invention having the above-mentioned structure will be described below.

The conveyance direction changing means of the paper sheet conveying apparatus according to the first aspect is taken in from the take-in conveying path branched from the main conveying path based on the detection result of the detecting means for detecting the front and back of each sheet. Either one of the front side and the back side of the paper sheet is changed in direction to be sent to the main conveyance path. At the time of the operation of changing the conveyance direction, the dispersion force imparting mechanism portion is moved to the delivery conveyance path side with respect to the paper surface of the paper sheet. The distributed transporting power of is given. As a result, the operation of changing the conveying direction of the paper sheets can be smoothly performed without causing paper breakage, and troubles such as jamming can be eliminated.

In the paper sheet transporting apparatus according to the present invention, the dispersion force imparting mechanism section is in an interlocked state by a rotary drive source arranged on the sliding contact transport section side and a rotary power of the rotary drive source. And a group of rollers for sliding the belt of the slidable contact conveyance section into sliding contact with the belt of the fixed conveyance section at a plurality of points. The group operation is smoothly performed without paper breakage, and troubles such as jamming are eliminated.

In the paper sheet conveying apparatus according to the third aspect of the invention, among the roller group which is displaced by the turning force of the rotary drive source, the latest roller is provided in the take-in conveying path and the delivering conveying path, and the sliding contact conveying section is formed. By sliding the belt to the belt of the fixed conveyance section, the end of the paper sheet taken in from the take-in conveyance path is directed to the delivery conveyance path side. The delivery can be performed more smoothly.

In the paper sheet stacking device according to the fourth aspect, the conveying direction changing means picks up from the take-in conveying path branched from the main conveying path based on the detection result of the detecting means for detecting the front and back of each sheet. Either one of the front side and the back side of the sheet to be inserted is changed in direction and sent to the main conveying path. At the time of the operation of changing the conveying direction, the dispersing force imparting mechanism section sends out and conveys the sheet to the surface of the sheet. It gives a distributed transport force to the roadside. As a result, the operation of changing the conveying direction of the paper sheets can be smoothly performed without causing paper breakage, etc., and the paper sheets can be accumulated while eliminating troubles such as jamming.

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

First, the construction of an automatic mail processing device 11 in which the paper sheet transporting device of this embodiment is installed will be described with reference to FIGS.

An automatic mail processing device 1 shown in FIGS. 1 and 2.
1 includes a supply unit 13 that receives a large amount of paper sheets P having various thicknesses and widths and supplies them to the next stage.

The supply section 13 has a hopper section 15. Furthermore, a supply conveyor 17 that conveys the paper sheets P is provided to a thickness selection unit 19 described later. Thickness sorter 1
9 selects the thickness of the paper sheets P, and selects the paper sheets P having a predetermined thickness and the paper sheets P having a thickness other than the predetermined thickness. The paper sheets P having a predetermined thickness selected by the thickness selection unit 19 are conveyed to the conveyor 21 via a runway (not shown).
Paper sheets P having a thickness other than the predetermined thickness are discharged to the reject unit 23.

The width selection unit 25 is a standing position conversion unit 27 that puts the paper sheets P sent from the conveyor 21 into a standing position, and a paper sheet P that is put into a standing position by the standing position conversion unit 27. A transport path 29 for transporting the paper sheets, sorting sections 31a, 31b, 31c, 31d for sorting the paper sheets P within a predetermined width from the paper sheets P transported by the transport path 29, the vertical direction of the paper sheets P, It is provided with an orientation alignment section 33 that aligns the horizontal orientation.

The sorting units 31a, 31b, 31c, 31
The paper sheets P having a width equal to or larger than the predetermined width selected by d are excluded through the exclusion conveying path and the shooter (not shown).

The fixed-size paper sheets P whose width has been sorted by the width sorting section 25 are sent to the conveying path 35. This transport path 3
5 is a paper sheet P whose length and width are aligned by the orientation aligning unit 33.
Is supplied to the buffer unit 37.

The buffer section 37 sends out the received paper sheets P one by one at regular intervals. The delivery of the paper sheet P is performed by the paper sheet P being sucked by the vacuum chamber 39 provided in the buffer unit 37 and conveyed by a belt. The paper sheet P is moved from the buffer unit 37 by the transport unit 41.
Be transported to. The shift conveyance unit 41 releases a plurality of sheets P from each other, and sends the sheets P to the cycle unit 43.

In the vicinity of the buffer unit 37, the auxiliary stacking unit 4 for temporarily stacking the paper sheets P from the width selecting unit 25 when the paper sheets P are full in the buffer unit 37.
5 are arranged.

Further, the standard paper sheets P are directly accumulated without passing through the supply unit 13, the thickness selection unit 19, and the width selection unit 25.
A local stacking unit 47 for supplying is arranged. The local stacking unit 47 has a vacuum chamber 49 and sends out the paper sheets P stacked in the local stacking unit 47 one by one at equal intervals.

The cycle unit 43 is provided with a gate (not shown here), and detects the paper sheet P sent from the shift conveyance unit 41 by a signal from the shift conveyance unit 41, which will be described later. 25 is selectively transmitted. In addition, the cycle here means that the paper sheet P is conveyed to the width selection unit 25 located upstream.

After the shifting and conveying section 41, the paper sheet P is sent to the first reading section 53 of the detecting section 51.
The reading unit 53 includes the first to third detection units 55a, 55b,
55c, which reads a postage stamp attached to or described at a predetermined position of the paper sheet P or a detection object of a contrast bar.

Although the reversing unit 57 is disposed downstream of the first reading unit 53, the reversing unit 57 cannot detect the detection target object when the first reading unit 53 cannot read the detection target object. It has the role of flipping the paper sheets upside down. This inversion operation is not performed when the first reading unit 53 detects the detection target. The paper sheet P sent from the reversing unit 57 is supplied to the second reading unit 59.

The second reading section 59 has first to third detecting sections 61a, 61b, 61c, and the first reading section 5 described above.
Similarly to 3, the detection target of the paper sheet P is read. A large number of paper sheets P sent from the second reading unit 59 are stamped by a stamping unit 63 that constitutes a stamping device. The paper sheets P stamped by the stamping unit 63 are further arranged in the front-back direction by the paper sheet conveying unit 100 and supplied to the stacker unit 65. In addition, the paper sheet transport unit 100
Details will be described later.

The stacker section 65 has a plurality of gates 67, 67 driven according to the information read by the first or second reading section 53, 59, and these gates 67, 67.
It is configured by a plurality of partition sections 69 installed corresponding to 67, and the paper sheets P are classified and accumulated into, for example, express delivery and ordinary mail.

A display device 71 is installed between the stamp part 63 and the stacker part 65 to display the state of the automatic mail processing device 11. Further, a main operation unit 73 is installed near the local stacking unit 47, and various operations of the automatic mail processing device 11 are performed.

Next, with reference to FIGS. 3 to 5, the paper sheet conveying section 100 which constitutes the paper sheet conveying apparatus of this embodiment will be described in detail.

The paper sheet conveying section 100 is equipped with a conveying direction changing means 110 for changing the conveying direction of the paper sheet P from the arrow a direction to the arrow b direction.

The conveying direction changing means 110 is provided with the imprinting portion 6
3 is provided with a take-in conveying path 91 rotatably driven in the direction of the arrow branched from the main conveying path 101 and a delivery conveying path 92 rotatably driven in the direction of the arrow continuing to the main conveying path 101. The fixed conveyance unit 111 using the belt 112 facing the path 92, and the belt 1 facing the intake conveyance path 91 and the delivery conveyance path 92 similarly.
And a sliding contact transfer unit 113 using
The dispersion force imparting mechanism portion 115 arranged on the third side is provided.

The dispersing force imparting mechanism portion 115 is adapted to impart a dispersed conveying force toward the delivery conveying path 92 side to the paper surface of either one of the front and back sheets P taken in from the intake conveying path 91. ing.

That is, the dispersing force imparting mechanism unit 115 includes a pair of rotary solenoids 116a and 116b as a rotation driving source arranged on the side of the sliding contact transport unit 113, and a pair of rotary solenoids 116a and 116b connected to the rotary solenoids 116a and 116b, respectively. Arms 117a and 117b and a pair of arms 11
Contact rollers 118a attached to 7a and 117b,
118b and the pair of rotary solenoids 116
A connecting plate 119 having both ends connected to a and 116b, and two auxiliary contact rollers 120 attached to the connecting plate 119.
a, 120b.

Further, a total of three receiving rollers 121 are provided on the fixed conveying section 111 side so as to be in contact with the back surface of the belt 112.

Further, the take-in / conveying path 91 is provided with a passage sensor 124 composed of a light emitting element 122 and a light receiving element 123 for detecting passage of the paper sheet P.

Next, the operation of the above-described paper sheet conveying section 100 will be described with reference to FIG.

The detection section 51 described with reference to FIGS. 1 and 2.
Since the position of the detection target is recognized, the front and back of the paper sheet P can be determined.

Main transport path 101 of the paper sheet transport section 100
From the detection signal of the object to be detected by the detection section 51, for example, the sheet P1 having the upper surface shown in FIG.

On the other hand, the paper sheet P2 whose upper surface is the back surface shown by cross-hatching in FIG. 3 is directly conveyed through the main conveyance path 101.

The direction changing means 110 changes the direction of the paper sheet P1 taken in in the direction of the arrow a through the take-in conveyance path 91 in the direction of the arrow b. 115 pairs of rotary solenoids 116
As shown in FIG. 6, the a and 116b operate synchronously after x hours have elapsed after the passage sensor 124 has detected the passage of the paper sheet P1.
117b, the contact roller 118a via the connecting plate 119,
118b and two auxiliary contact rollers 120a, 120b
5, the roller group is made to move, and as shown in FIG. 5, the belt 114 is pressed and brought into sliding contact with the belt 112 in a state in which the distributed contact force acts on the belt 114.

As a result, the dispersing force imparting mechanism unit 115 imparts a dispersed conveying force toward the delivery conveying path 92 side to the paper surface of the paper sheet P1 by the belts 112 and 114, whereby the above-mentioned The conversion operation of the paper sheet P1 in the direction of the arrow b is smoothly performed without causing paper breakage, etc., and joins the main conveyance path 101 at the confluence point 130 via the delivery conveyance path 92 while eliminating troubles such as jamming. You can

Then, either the front side or the back side of the paper sheet P2 conveyed through the main conveyance path 101 and the paper sheet P1 merged via the delivery conveyance path 92, in the present embodiment, the upper surface is taken as the front surface. It can be unified in the state of doing

Further, the contact rollers 118a, 118b
And the contact roller 1 closest to the delivery conveyance path 92 at the time of sliding contact of the belt 114 with the belt 112 due to the displacement of the roller group including the two auxiliary contact rollers 120a and 120b.
By the action of 18b and the receiving roller 121, the end portion of the paper sheet P1 taken in from the take-in / conveying path 91 is bent and directed toward the delivery / conveying path 92 side as shown in FIG. There is also an advantage that the paper sheet P1 can be delivered to the 92 side more smoothly.

The present invention is not limited to the above-mentioned embodiments, but various modifications can be made within the scope of the gist thereof.

[0048]

According to the present invention described in detail above, since it has the above-mentioned structure, the following effects can be obtained.

According to the first aspect of the present invention, the operation of changing the conveying direction of the paper sheets is smoothly performed without causing the paper fold or the like, and it is possible to eliminate the trouble such as jamming. Can be provided.

According to the second aspect of the present invention, the operation of changing the conveying direction of the paper sheet can be smoothly performed by the operation of the rotation drive source and the roller group without causing the paper breakage and the like, and the jamming and the like can be prevented. It is possible to provide a paper sheet transporting device capable of eliminating a failure.

According to the third aspect of the present invention, the belts of the sliding conveyance section are brought into sliding contact with the belts of the fixed conveyance section by the latest rollers in the intake conveyance path and the delivery conveyance path, so that the belts of the fixed conveyance section are removed. It is possible to provide a paper sheet transporting device capable of directing the ends of the loaded paper sheets toward the delivery and conveyance path side and more smoothly delivering the paper sheets to the delivery and conveyance path side.

According to the fourth aspect of the present invention, the operation of changing the conveying direction of the paper sheets is smoothly performed without causing a paper break or the like, and the paper sheets can be accumulated while eliminating the trouble such as jamming. It is possible to provide a paper sheet stacking device that can be used.

[Brief description of drawings]

FIG. 1 is a perspective view of a mail processing apparatus including an apparatus according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a mail processing apparatus including an apparatus according to an embodiment of the present invention.

FIG. 3 is an overall configuration diagram of an apparatus according to an embodiment of the present invention.

FIG. 4 is an enlarged view showing a conveying direction changing means of the apparatus according to the embodiment of the present invention.

FIG. 5 is an enlarged view showing the operation of the transport direction changing means of the apparatus according to the embodiment of the present invention.

FIG. 6 is a timing chart showing the operation of the transport direction changing means of the apparatus according to the embodiment of the present invention.

FIG. 7 is an enlarged view showing a conventional device.

[Explanation of symbols]

 P Paper sheets 11 Automatic mail processing device 91 Intake transport path 92 Outgoing transport path 100 Paper sheet transport section 101 Main transport path 110 Transport direction changing means 111 Fixed transport section 112 Belt 113 Sliding contact transport section 114 Belt 115 Dispersing force application Mechanism

Claims (4)

[Claims] 1. A detection means detects the front and back of each paper sheet while sequentially transporting a large number of paper sheets with uneven front and back sides through a main conveyance path, and based on the detection result of this detection means, an intake that is branched from the main conveyance path. The conveyance direction of one of the front and back sheets is changed by the conveyance direction changing means provided with the conveyance path and the delivery conveyance path connected to the main conveyance path, and the conveyance state of each paper sheet is changed to the front and back sides by sending the paper to the main conveyance path. In the paper sheet transporting device unified to any one of the above, the transport direction changing means has a distributed transporting force to the delivery transport path side with respect to the paper surface of either one of the front and back sheets taken in from the intake transport path. A paper sheet conveying apparatus having a dispersion force applying mechanism section for applying 2. The transport direction changing means comprises a fixed transport section using a belt rotatably driven to the delivery transport path side, and a sliding contact transport section using a belt rotatably driven to the delivery transport path side, The dispersion force imparting mechanism section is configured to displace the rotation drive source disposed on the side of the slide contact conveyance section and an interlocking state by the rotating force of the rotation drive source to change the belt of the slide contact conveyance section to the belt of the fixed conveyance section. The paper sheet conveying apparatus according to claim 1, further comprising: a roller group that makes sliding contact with a plurality of points. 3. Of the rollers that are displaced by the rotational force of the rotary drive source, the latest rollers in the take-in conveyance path and the delivery conveyance path bring the belt of the sliding conveyance section into sliding contact with the belt of the fixed conveyance section. The paper sheet conveying apparatus according to claim 1 or 2, wherein the end portion of the paper sheet taken in from the take-in conveying path is directed to the delivery conveying path side. 4. A detection means detects the front and back sides of each paper sheet while sequentially transporting a large number of paper sheets with uneven front and back sides through a main conveyance path, and based on the detection result of this detection means, an intake that is branched from the main conveyance path. The conveyance direction of one of the front and back sheets is changed by the conveyance direction changing means provided with the conveyance path and the delivery conveyance path connected to the main conveyance path, and the conveyance state of each paper sheet is changed to the front and back sides by sending the paper to the main conveyance path. In a paper sheet stacking device that collects paper sheets that are unified in either one of the front and back sides, the conveyance direction changing means is a paper surface of one of the front and back sheets that is taken in from a take-in conveyance path. A paper sheet stacking apparatus having a dispersion force applying mechanism section for applying a distributed transfer force to the delivery transfer path side.