JPH0788433A - Takeout device of paper leaf and mail sorting device using the same - Google Patents

Abstract

PURPOSE:To provide such a takeout device of paper leaves that large noise is not caused and the structure is compact and the distance of paper leaves which are successively delivered and positioned in the front and the rear is always kept constant by constituting the takeout device so that the tips of successively delivered paper leaves are held, pulled out and sent off speedier than delivery velocity thereof. CONSTITUTION:A pulling-out roller 62 and a pinch roller 64 have velocity speedier than a delivery roller 54a and a pinch roller 56. The tip of mail P delivered from the interval between the delivery roller 54a and the pinch roller 56 opposite thereto is held between the pulling-out roller 62 and the opposite pinch roller 64. The tip part of mail P is left between the pulling-out roller 62 and the opposite pinch roller 64 and mail P is pulled out from the abutting position of both the delivery roller 54a of a second delivery means and the opposite pinch roller 56 at the speed of rotation of the pulling-out roller 62 and sent off to the base part of a belt conveyance means as it is.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper sheet take-out apparatus for sequentially taking out a plurality of paper sheets and a mail sorting apparatus using the same.

[0002]

2. Description of the Related Art Conventionally well-known postal sorting devices are for sorting postal items such as postcards and postal letters with postal codes into a plurality of sorting boxes prepared according to the types of postal codes. It is used for a mailing part, in which a plurality of mail pieces with postal codes are loaded, a mail piece removing device for sequentially extracting a plurality of mail pieces from the mail piece loading part, and a mail piece removing device for removing the mail pieces. It has a postal code reading means for reading the postal code on the postal matter and at least a number of division boxes corresponding to the type of postal code, and mails to the division box corresponding to the postal code read by the postal code reading means. And a mail piece sorting and conveying means for conveying the mail piece whose postal code is read by the number reading means. The postal matter take-out device constitutes a paper-sheet take-out device for taking out a plurality of paper sheets in sequence.

In the conventional mail removing device of a mail sorting device, a mail conveyor belt extends away from a position facing the exit of the mail loading section, and a mail conveyor belt on the side opposite to the exit of the mail loading section. A long and narrow suction chamber extending therethrough is provided, and a suction portion including a large number of suction through holes is formed in the transport belt at predetermined intervals along the extending direction of the transport belt.

When the conveyor belt is moved in a predetermined direction at a predetermined speed in a state where the suction chamber has a negative pressure, each time one suction portion of the conveyor belt passes through the outlet of the mail loading section, The direction in which the outermost mail piece at the exit is sucked by one suction part of the conveyor belt passing through the exit of the mail loading part due to the negative pressure of the suction chamber and moves away from the exit of the mail loading part together with the conveyor belt. Go to.

In such a conventional mail removing device of a mail sorting device, that is, a paper take-out device, the atmosphere sucked through the suction portion of the conveyor belt into the suction chamber causes the mail to be sucked into the suction portion. Noise is generated when sucked, and a long and narrow suction chamber extending along the conveyor belt increases the size of the entire apparatus.

Moreover, the time interval at which a plurality of mail pieces are sequentially taken out from the mail piece loading portion corresponds only to the distance between the plurality of suction parts in the conveyor belt, regardless of the length of the mail piece to be taken out. Therefore, the distance from the rear end of the postal matter located in the front to the front end of the postal matter adjacent to the rear of the plurality of postal items conveyed on the conveyor belt is located rearward in the traveling direction of the conveyor belt. It will change depending on the length of the mail.

Therefore, the intervals of the postal matter conveyed from the postal matter extracting device to the postal code reading device located downstream of the postal matter extracting device are not uniform, and therefore the downstream of the postal code reading device. The intervals of the postal matter sent from the postal code reading means to the postal matter sorting and conveying means are not uniform. This is an obstacle for improving the processing speed of the mail sorting in the conventional mail sorting apparatus.

[0008]

SUMMARY OF THE INVENTION The present invention has been made under the above circumstances, and an object of the present invention is to generate a large amount of noise as in the prior art and to have a compact structure,
Moreover, the distance from the rear end of the former to the front end of the latter of the two papers that move back and forth in the feeding direction can always be made constant regardless of the length of the papers that are sequentially fed out, and by extension the mail classification. It is an object of the present invention to provide a paper sheet takeout device and a mail item sorting device using the same, which can improve the processing speed of sorting mail items.

[0009]

In order to achieve the above-mentioned object of the present invention, a paper sheet take-out device according to the present invention is:
Feeding means for sequentially feeding a plurality of paper sheets at a predetermined speed; nipping the tip of the paper sheet fed by the feeding means, and the tip at a predetermined speed faster than the feeding speed of the paper sheets from the feeding means And a pulling-out / feeding-out means for pulling out and sending out the paper sheets sandwiching the sheet from the feeding-out means, and the mail sorting apparatus according to the present invention: a plurality of mailings with postal codes A mail loading unit in which the mail is loaded; a mail removing device that sequentially takes out a plurality of mails from the mail loading unit; a zip code reading unit that reads a zip code on the mail taken out by the mail unloading device; It has at least as many sorting boxes as the number of postal codes, and the postal code reading means allows the bins to correspond to the postal codes read by the postal code reading means. A mail piece sorting / conveying means for carrying the mail piece whose flight number is read; and the mail piece taking-out device, and a feeding means for feeding out a plurality of mail pieces in the mail piece loading section sequentially at a predetermined speed, And a pulling-out / feeding-out means for pinching the leading end of the postal matter fed out by the feeding-out means and for pulling out and feeding out the postal matter holding the above-mentioned tip end from the feeding-out means at a predetermined speed faster than the feeding-out speed of the postal matter from the feeding-out means. It is characterized by being out.

[0010]

In the paper sheet take-out device according to the present invention which is configured as described above, the leading end of the paper sheet taken out by the feeding means for feeding out a plurality of paper sheets at a predetermined speed in sequence. After being pinched by the pulling-out / feeding-out means, the paper-sheet having the leading edge thereof is pulled out from the feeding-out means by the pulling-out / feeding-out means at a predetermined speed higher than the feeding-out speed of the paper-sheets from the feeding-out means.

Also, in the mail sorting device according to the present invention which is configured as described above, a plurality of mails in the mail loading section are provided in the mail discharging device corresponding to the paper discharging device. At a predetermined speed faster than the delivery speed of the postal matter from the delivery means by the extraction / delivery means after the leading end of the postal matter delivered by the delivery means is sandwiched by the extraction / delivery means. The postal matter with the leading end sandwiched is pulled out from the delivery means and sent out.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A mail sorting device using a paper sheet discharging device according to an embodiment of the present invention as a mail discharging device will be described in detail below with reference to the accompanying drawings. FIG. 1A shows a mail sorting device 10 using a paper sheet take-out device according to an embodiment of the present invention as a mail take-out device.
FIG. 1B is a schematic plan view of FIG.
2 is a schematic front view of the mail sorting device 10 of FIG.

The mail sorting device 10 includes: a mail supply unit 12 to which a bundle of mail such as letters and postcards is supplied by an operator.
a, a postal matter including a postal matter take-out section 12b for sequentially taking out the postal matter one by one from the postal matter supply section 12a, and a postal code reader 12c for reading the postal code on the postal matter taken out by the postal matter take-out section 12b Sort preparation section 12 and a plurality of mail sorting rooms 1 assigned according to the type of postal code
One of the mail sorting rooms 1 having 4a and having the postal code read by the postal code reader 12c of the postal mail sorting preparation section 12 corresponding to the read postal code
A mail piece classification section 14 for dividing into 4a; and a mail piece address recognition device 16;
Mail classification section 14 and mail address recognition device 16
Are arranged adjacent to each other in this order from the left in FIG.

On the upper surface of each of the postal matter sorting preparation section 12 and the postal matter sorting section 14, jamming of the postal matter conveyed inside thereof and any of the postal matter sorting chambers 14a are carried out.
A warning lamp 18 is provided to warn the operator of the full state of the postal items and the full state of the postal items in the plurality of excluded postal item compartments provided in the postal item preparation section 12.

The mail item preparation section 12 will be described in more detail. The mail item supplying unit 12a is placed on the postal code reader 12c, and the operator supplies the mail item supplying unit 12a to the front side of the upper surface of the mail item supplying unit 12a. A postal matter placement opening 20 is provided in which a bundle of postal items such as written letters and postcards is placed.
In the postal matter loading opening 20, the bundle of postal matter P has its longitudinal direction oriented in the front-rear direction and one longitudinal side edge thereof is located at the postal matter loading opening 20.
It is housed in contact with the bottom surface of the.

On the back side of the upper surface of the postal matter supply unit 12a, for example, so-called direct mail whose customer address is managed by a computer, a label or the like in which a postal code and a destination are written in a predetermined format is placed at a predetermined position. When handling a large amount of only the attached postal matter, the postal code reader 12 preliminarily arranges the predetermined postal code on the predetermined postal matter.
To set the postal code reading position adjuster 22, monitor TV 24 for that purpose, clock 26, and postal matter supply unit 12
Various operation switches for a and an operation panel 28 in which a monitor TV for that purpose is arranged are arranged.

The zip code reader 12 can read the zip code even if the zip code written on the surface of the postal matter supplied to the zip code reader 12 is read on any surface. When the predetermined postal code arrangement is set in advance in the postal code reader 12 by the reading position adjuster 22 as described above, the accuracy of recognition and reading of the postal code in the predetermined postal code arrangement on the predetermined postal matter is significantly improved. Can be done.

In the postal matter supply section 12a, a belt conveying means 30 extends between the postal matter take-out section 12b and the postal code reader 12c around the rear side of the postal matter supply section 12a and the postal code reader 12c. There is.

In the middle of the belt conveying means 30, a foreign matter-existing postal matter exclusion compartment 32 and a belt for detecting a mail containing a hard and bulky foreign matter which may cause jamming and removing it from the belt conveying means 30 are provided. The belt conveying means 30 detects a postal matter which causes a large skew in the conveying means 30 and interferes with the reading of the zip code by the zip code reader 12.
A conveyance posture postal matter exclusion compartment 34 is installed to be excluded from the inside.

The mail sorting section 14 will be described in more detail. The mail sorting section 14 receives the mail discharged from the zip code reader 12 to the mail sorting room 14a corresponding to the zip code on this mail. It has a belt conveying means 36 for conveying.

The mail address recognizing device 16 is used for recognizing the address etc. described in the mail. FIG. 2 is a plan view showing a schematic structure of a main part of the postal matter take-out section 12b constituting the paper sheet take-out apparatus according to the embodiment of the present invention.

The postal matter take-out section 12b is a postal matter supply section 12a.
Of the postal matter P, such as letters and postcards, which are adjacent to the exit of the postal matter and are in contact with the side surface of the postal matter placement opening 20 of the postal matter supply unit 12a, are urged through the pressure plate 38. It is biased toward the outlet by the biasing force of the means 40.
A plurality of friction reducing members 20a extending in the moving direction of the bundle of postal matter P are arranged on the bottom surface of the postal matter placement opening 20.

The postal matter take-out section 12b is a postal matter supply section 12a.
It has a pair of feeding rollers 50a and 50b, which is a first feeding means, facing the exit of the. The pair of delivery rollers 50a and 50b are separated from each other in the longitudinal direction of the postal matter P at the exit.

The outer peripheral surfaces of the pair of feeding rollers 50a and 50b are covered with a material having a high friction coefficient such as rubber, and the power is transmitted from an output shaft of a motor (not shown) by a power transmission means 52 such as a power transmission belt. Is transmitted to rotate in a clockwise direction as indicated by an arrow A in a predetermined direction at a predetermined speed. As a result, the pair of feeding rollers 5
The postal matter P pressed by 0a and 50b slides on the next postal matter P and is delivered from the exit of the postal matter supply section 12a to the rear of the postal matter supply section 12a.

A postal matter delivery means 54, which is a part of the second delivery means, is arranged along the movement path of the postal matter P delivered from the postal matter supply section 12a. The postal matter sending-out means 54 is slightly separated from the moving locus on the same side as the pair of feeding rollers 50a and 50b, and is also a pair of sending-out rollers 54a and 54b spaced from each other in the direction along the moving locus. And a pair of delivery rollers 54a, 54b
It is provided with a conveyor belt 54c that is stretched around.

The outer peripheral surface of the delivery roller 54a on the side far from the mail supply section 12a is covered with a material having a high coefficient of friction such as rubber.
The outer peripheral surface of 4a is in contact with the outer peripheral surface of the pinch roller 56 arranged on the opposite side of the movement locus. The outer peripheral surface of the pinch roller 56 is also covered with a material having a high coefficient of friction such as rubber, and the pinch roller 5
6 is pressed against the outer peripheral surface of the delivery roller 54a by the urging means 56a.

The one feed roller 54a is mounted on the central shaft through a one-way clutch 54d, and the one-way clutch 54d allows the one feed roller 54a to rotate in the clockwise direction relative to the central shaft. To do.

The conveying belt 54c is indicated by an arrow B similar to the pair of feeding rollers 50a and 50b by a motor (not shown) connected to either one of the pair of feeding rollers 54a and 54b and the one-way clutch 54d. The speed is variable in the clockwise direction.

In the vicinity of the pinch roller 56, a pair of delivery rollers 54a, which are slightly smaller than the pinch roller 56, are provided.
The reverse rotation roller 58 is arranged further than the other roller 54b of 54b. The outer peripheral surface of the reverse rotation roller 58 is covered with foaming rubber that generates a relatively low frictional force, and the reverse rotation roller 58 is driven by a motor (not shown) to convey the belt 54.
Contrary to the traveling direction of c, it is rotating at a predetermined speed in the clockwise direction indicated by arrow C.

The reverse rotation roller 58 is also biased toward the outer peripheral surface of the conveyor belt 54c by the biasing means 58a.
A pressing plate 60 extends along the movement path of the postal matter P from the exit of the postal matter supply unit 12a to the reverse rotation roller 58, facing the conveyor belt 54c of the postal matter delivery means 54. The pressing plate 60 swings around the base end 60a farther from the outlet of the mail supply unit 12a in a direction to move the free end 60b closer to the outlet of the mail supply unit 12a toward and away from the movement locus. The free end 60b of the pressing plate 60, which is movable and is close to the exit of the mail supply unit 12a, has a reverse rotation roller 5
A slope is formed so as to move away from the movement locus as it approaches the exit from the vicinity of 8.

The pressing plate 60 is also biased toward the outer peripheral surface of the conveyor belt 54c by a biasing means (not shown),
The area of the free end portion 60b on the base end portion 60a side is conveyed by the conveyor belt
It is in a nesting state which intersects with the outer peripheral surface of the conveyor belt 54c on the side of 4c.

The front end of the postal matter P fed out from the outlet of the postal matter supply section 12a contacts the free end 60b of the pressing plate 60, and the side surface is pressed against the conveyor belt 54c by the urging force of the pressing plate 60. The postal matter P delivered from the exit next to the postal matter P is the conveyor belt 5 if the postal matter P delivered immediately before remains on the conveyor belt 54c.
It is piled up on the postal matter P delivered immediately before on 4c.

The conveyor belt 54c is traveling in the clockwise direction indicated by arrow B at a predetermined speed, and the conveyor belt 54c
The front end of the postal matter P on c is pinched by the pinch roller 56 and one of the delivery rollers 54a facing the pinch roller 56, and is further forwarded by these.

At this time, even if the postal matter P next to the postal matter P is placed on the former postal matter P, the latter postal matter P is placed.
Since a force is applied to the front end of the mail by a reverse rotation roller 58 in a direction away from the contact position between the pinch roller 56 and one of the feed rollers 54a facing the pinch roller 56, the frictional force between the former and the postal matter P is And is prevented from entering the contact position.

The delivery speed of the postal matter P from between the pinch roller 56 and one of the delivery rollers 54a opposed thereto is V1 [m / m] which is the traveling speed of the conveyor belt 54c.
s]. A pair of a pull-out roller 62 and a pinch roller 64 which is in contact with the pull-out roller 62 across the above-mentioned delivery locus is disposed on an extension line of the delivery locus of the mail P.

Pull-out roller 62 and pinch roller 64
The outer peripheral surface of each is also covered with a material having a high friction coefficient such as rubber, and the pinch roller 64 is pressed against the outer peripheral surface of the pull-out roller 62 by the biasing means 64a.

Pull-out roller 62 and pinch roller 64
Between the pair of idler rollers 66 and 68, which are rotatably arranged on both sides of the delivery locus by a pair of pinch rollers 56 and one of the delivery rollers 54a in front of them. The introduction guide belt 70 is stretched around.

The distance W from the contact position between the feed roller 54a of the second feeding means and the corresponding pinch roller 56 to the contact position between the pull-out roller 62 and the corresponding pinch roller 64 is supplied to the mail supply section 12a. Is set to be smaller than the above-mentioned minimum longitudinal length of the postal matter having the minimum longitudinal length among the various postal items, and the pull-out roller 62 is a feeding roller of the second feeding means by a motor (not shown). The rotational speed of 54a (that is, the conveyor belt 5
It rotates in the clockwise direction indicated by arrow D at a predetermined rotation speed V2 [m / s] higher than the traveling speed V1 [m / s] of 4c.

Therefore, when the front end of the postal matter P fed out from between the pinch roller 56 and one of the delivery rollers 54a facing the pinch roller 56 is nipped between the pull-out roller 62 and the corresponding pinch roller 64, one The delivery roller 54a may be mounted on the central shaft via the one-way clutch 54d, and the front end portion of the postal matter P may be sandwiched between the pull-out roller 62 and the corresponding pinch roller 64, and the pull-out roller 62 may be provided. Rotation speed V2 [m /
s], the feeding roller 54a of the second feeding means is pulled out from the abutting position of the corresponding pinch roller 56, and is directly fed to the base end portion of the belt conveying means 30 shown in FIG. That is, the pull-out roller 62 and the corresponding pinch roller 64 have a predetermined speed V2 faster than the speed V1 [m / s] of feeding the postal matter P from the second feeding means.
At [m / s], the postal matter P having the front end sandwiched constitutes a pulling-out / feeding-out means for pulling out and sending out the postal matter P from the second feeding-out means.

Near the contact position between the delivery roller 54a of the second feeding means and the corresponding pinch roller 56, the trailing edge detecting means 72 for detecting the passage of the trailing edge of the mail P fed from this abutting position. When the rear end detecting means 72 detects the rear end as described above, the feed roller 5
The rotation of the motor for 4a is braked, and the rotation speed of the feed roller 54a is the original speed V1.
Returned to [m / s].

As a result, the postal matter P that is next sent out from the contact position between the sending roller 54a of the second feeding means and the corresponding pinch roller 56 is also sent out.
The rotation speed of a is delivered to the contact position between the pull-out roller 62 and the corresponding pinch roller 64 at the original speed V1 [m / s].

The postal matter take-out section 12b thus constructed
Then, as shown in FIG. 3 (B), there are many gaps G between the multiple mail items P sequentially sent from the mail take-out section 12b to the base end portion of the belt conveying means 30 shown in FIG. It is constant regardless of the length of each postal matter P. In FIG. 3B, a postal matter P such as a letter having a large length in the longitudinal direction is shown as a white rectangular shape, and a postal matter P having a small length in the longitudinal direction, such as a postcard P, has a black length. It is shown in a square shape.

This gap G can be obtained by the following formula. G = [(V1 / V2) -1] × W FIG. 3A shows a plurality of predetermined pitches L used in cooperation with an elongated suction chamber in a conventional mail sorting device of a mail sorting device. Conveyor belt 8 with suction through hole group SH
3A and 3B show gaps G1 and G2 generated between a plurality of postal items P having different lengths in the longitudinal direction on 0, as shown in FIG.
In the figure, white rectangular shapes are shown between the postal items P such as envelopes having a large length in the longitudinal direction and a large postal item P such as an envelope having a large length in the longitudinal direction followed by a black rectangular shape. A gap G1 formed between the postal matter P such as a postcard having a small length in the longitudinal direction indicated by
Compared with, the gap G2 generated between the postal matter P such as a postcard having a small length in the longitudinal direction indicated by a black rectangular shape is large.

[0044]

As described in detail above, according to the paper sheet take-out apparatus and the mail sorting apparatus using the same according to the present invention, there is no large noise as in the prior art.
The structure is compact, and it moves back and forth in the feeding direction regardless of the length of the paper sheets that are sequentially fed out.
The distance from the rear end of the former to the front end of the latter in one paper sheet can be made constant at all times, and by the mail sorting device, the postal sorting speed can be improved.

[Brief description of drawings]

FIG. 1A is a schematic plan view of a mail sorting device using a paper sheet discharging device according to an embodiment of the present invention as a mail discharging device, and FIG. It is a schematic front view of the mail sorting device of A).

FIG. 2 is a plan view showing a schematic configuration of a main part of a postal matter taking-out section which constitutes the paper sheet taking-out device according to the embodiment of the present invention.

FIG. 3A is a longitudinal direction on a conveyor belt with a plurality of suction through-hole groups of a predetermined pitch, which is used in cooperation with an elongated suction chamber in a mail extraction device of a conventional mail sorting device. Between two pieces of mail with different lengths 2
FIG. 3B is a diagram schematically showing two different gaps, and FIG. 3B is a schematic diagram showing a base end of the belt conveying means shown in FIG. It is a figure which shows the fixed space | interval between the many postal goods which differ in the length direction of the longitudinal direction sequentially sent out to the part.

[Explanation of symbols]

10 ... Mail sorting device, 12 ... Mail sorting preparation block, 12
a ... Postal supply section, 12b ... Postal extraction section, 12c ... Postal code reader, 14 ... Postal section, 14a ... Postal section, 16 ... Postal address recognition device, 18 ... Warning lamp, 20 ... Mail placement opening, 20a ... Friction reducing member, 2
2 ... Postal code reading position adjuster, 24 ... Monitor TV, 2
6 ... Clock, 28 ... Operation panel, 30 ... Belt conveying means,
32 ... Exclusion chamber for foreign matters in the presence of foreign matter, 34 ... Conveyance posture Exclusion chamber for postal matters, 36 ... Belt conveying means, 38 ... Pressure plate, 4
0 ... Energizing means, 50a, 50b ... Delivery rollers (first delivery means), 52 ... Power transmission means, P ... Mail, 54 ...
Mail delivery means (second delivery means) 54a, 54
b ... Sending roller, 54c ... Conveying belt, 54d ... One-way clutch, 56 ... Pinch roller, 56a ... Energizing means, 58 ... Reverse roller, 58a ... Energizing means, 60 ... Pressing plate, 60a ... Base end portion, 60b ... Free end portion, 62 ... Pull-out roller, 64 ... Pinch roller, 66, 68 ... Idler roller, 70 ... Introduction guide belt, 72 ... Rear end detecting means.

Claims (4)

[Claims] 1. A feeding means for sequentially feeding a plurality of paper sheets at a predetermined speed; a predetermined speed that is higher than a feeding speed of the paper sheets from the feeding means by sandwiching the leading end of the paper sheets fed by the feeding means. At the speed of, pull out the paper sheet with the tip pinched from the feeding means and send it out.
A paper sheet takeout device comprising: a feeding means; 2. The distance W from the paper sheet outlet of the feeding means to the paper sheet inlet of the drawing / feeding means.
Is set to be less than or equal to the minimum length of the paper sheet having the minimum length among the plurality of paper sheets, and the interval between the plurality of paper sheets sequentially sent out from the pulling-out / feeding-out means is G, and is fed out. The feeding speed of the paper sheets from the means is V1, and the feeding speed of the paper sheets from the drawing / feeding means is V1.
2, the distance G is the distance W and the feeding speed V is
1, and is expressed as follows by the delivery speed V2: G = [(V2 / V1) -1] * W The paper sheet take-out device according to claim 1, wherein: 3. A first feeding portion, wherein the feeding means sequentially comes into contact with the side surfaces of the plurality of paper sheets, and the paper sheets brought into contact by the frictional force between the abutting side surfaces are successively delivered at a predetermined speed. , A second feeding portion that sequentially feeds the paper sheets fed from the first feeding portion at another predetermined speed, and the second feeding portion includes a second feeding portion from the first feeding portion. A sheet of paper that has been arranged to face each other at a position laterally displaced from the feeding path of the paper sheet to the feeding portion and has been fed from the first feeding portion to the second feeding portion. A pair of nipping rollers that nips and feeds toward the pulling-out / feeding-out means at the other predetermined speed, and a nipping position of one sheet of paper by a pair of nipping rollers on the feeding locus rather than the nipping position. Adjacent to the approaching side The feeding direction of one sheet by lifting roller is sandwiched nip roller pair rotate in opposite directions 1
After the sheet of paper sheets comes into contact with the tip of the paper sheet fed out from the first feeding portion to the second feeding portion with a frictional force lower than the nipping frictional force of the pair of nipping rollers. The paper sheet fed from the first feeding portion to the second feeding portion is separated from the one paper sheet sandwiched by the nip roller to separate the two paper sheets from each other. An overlapping paper sheet separating roller for preventing the overlapping of the paper sheets, and the paper sheet taking-out device according to claim 1 or 2, characterized in that. 4. A postal matter loading unit into which a plurality of postal items each having a postal code are loaded; a postal matter removing device for sequentially taking out a plurality of postal items from the postal matter loading unit; Zip code reading means for reading the zip code on the postal matter; and having at least a number of sorting boxes corresponding to the type of zip code, and mailing to the sorting box corresponding to the zip code read by the zip code reading means And a mail piece sorting / conveying means for carrying the mail piece whose postal code is read by the number reading means; and the mail piece take-out device sequentially feeds out a plurality of mail pieces in the mail piece loading section at a predetermined speed. The delivery means and the tip of the postal matter delivered by the delivery means are sandwiched, and the postal matter which sandwiches the above-mentioned tip is delivered at a predetermined speed faster than the delivery speed of the postal matter from the delivery means. Mail sorting apparatus characterized in that it includes a pulling-delivery means, the delivering out of its.