JP2008201503A - Media feeding device - Google Patents

Abstract

A smooth feeding operation and a reliable separating operation of a check are maintained in a check feeding device that performs a separating operation by a separation roller while feeding a check by a feeding roller.
A check feeding mechanism 13 of a check feeding device feeds a check 4 toward a separation roller pair 76 by a feeding roller 71, and separates the check 4 fed in an overlapped state at the separation roller pair 76 to one sheet. It sends out toward the conveyance path 5 one by one. Since the circumferential speed S (71) of the feeding roller 71 is set to be slightly faster than the circumferential speed S (81) of the separation roller 81, a feeding load caused by the feeding roller 71 acts on the separation roller 81. Can be prevented. Therefore, the separation operation and the feeding operation of the check 4 by the separation roller pair 76 can be performed reliably and smoothly.
[Selection] Figure 6

Description

  The present invention relates to a medium feeding device mounted on a medium processing device such as a check reading device, a printer, a scanner, or a magnetic information reading device for separating and feeding sheet-like media such as checks and recording sheets in a stacked state one by one. It relates to the device.

  In a financial institution such as a bank, checks (security securities) such as checks and bills brought in are put on a check reading device, the surface image and magnetic ink characters are read, and the check type is checked according to the reading result. Sorting work is performed. In recent years, with the spread of electronic payments, read image data and magnetic ink characters are processed by a computer, and checks are managed by a computer. Patent Document 1 discloses such a check reading device. A check stored in a check storage unit (medium insertion unit) is pressed against a paper feed roller (feeding roller) by a pressing plate, and the paper feed roller is rotated. Thus, the checks stored in a stacked state in the check storage are sent out.

  Here, in order to reliably read the check information, it is necessary to feed the check one by one and convey it via the reading position of the magnetic head for reading magnetic ink characters and the reading position of the scanner for reading images. It is. If a plurality of checks are fed and conveyed while being overlapped by the feeding roller, information cannot be read accurately, and there is a possibility that the check is jammed on the conveyance path.

  As a medium separation mechanism for separating sheet-like media such as checks sent in an overlapped state and sending them one by one, the sheet is fed by pressing the sheet-like media against a separation pad made of a material having a high coefficient of friction. There are known a pad separation method for separating a sheet-like medium and a retard roller method for separating a sheet-like medium by passing between a medium feed roller and a retard roller on which a rotational load is pressed. Yes.

Patent Document 2 discloses a sheet supply apparatus suitable for separating highly rigid sheets and feeding them one by one. In the sheet supply device disclosed herein, the separation pad is rotatably supported so that the contact surface of the separation pad is in close contact with the surface of the sheet fed out from the cassette case, and the retard roller system with the sheets remaining in a bundle state It is prevented from being sent out to the pair of separation rollers.
JP 2004-206362 A JP 2001-48362 A

  Here, the distance from the feeding roller to the separation roller is configured to be shorter than the length dimension in the check feeding direction. For this reason, the leading end portion of the check is fed out while being separated by one sheet through the nip portion of the separation roller and the retard roller while being fed out by the feeding roller.

  Since the check is sent out simultaneously by both rollers, it is necessary to appropriately set the feed speed or feed amount of the check by both rollers. If these feed speeds or feed amounts are not appropriate, the separation operation by the separation mechanism including the separation roller and the retard roller may be hindered, and the check may not be fed one by one. In particular, when the peripheral speed of the feeding roller is slower than the peripheral speed of the separation roller, the sheet-shaped medium is fed.

  SUMMARY OF THE INVENTION An object of the present invention is to propose a medium feeding device capable of reliably separating a sheet-like medium fed by a feeding roller by a separation mechanism including a separation roller and a retard roller and feeding them one by one.

  In order to solve the above-described problems, a medium feeding device according to the present invention includes a medium insertion portion into which sheet-like media are inserted in a stacked state, and a feeding roller for feeding out the sheet-like medium inserted into the medium insertion portion. A pressing member for pressing the sheet-like medium inserted into the medium insertion portion against the feeding roller, a separation roller for separating and feeding the sheet-like medium fed by the feeding roller one by one, and And a separation mechanism having a retard roller on which a rotational load pressed against the separation roller acts, wherein a peripheral speed of the feeding roller is the same as or faster than a peripheral speed of the separation roller. .

  Here, in consideration of component variations and the like, generally, the peripheral speed of the feeding roller may be set to be higher than the peripheral speed of the separation roller.

  Thus, in order to determine the peripheral speed of both rollers, when the rotational speed of the feeding roller is made faster than the rotational speed of the separating roller, the outer diameter dimension of the feeding roller is made larger than the outer diameter dimension of the separating roller. Just make it bigger.

  In the case where a common drive motor for rotationally driving the separation roller and the feeding roller is provided, a reduction gear train that transmits the rotation of the drive motor to the separation roller, and the rotation of the drive motor The speed reduction ratio may be different from that of the speed reduction gear train that transmits to the feed roller.

  Next, by mounting the above-described medium delivery device on a media processing device such as a check processing device, a printer, a scanner, or a magnetic information reading device, a highly reliable and low-cost media processing device can be realized. Is possible.

  In the medium feeding device of the present invention, since the peripheral speed of the feeding roller is increased, the feeding amount (feeding speed) of the sheet-like medium in the feeding roller on the upstream side in the feeding direction is the sheet-like medium in the downstream separating roller. Is greater than the feed amount (feed speed). As a result, it is possible to avoid the feeding roller acting on the separation roller as a feeding load for the sheet-like medium.

  When the feeding roller acts as a sheet-form medium feed load and acts on the separation roller, the sheet-form medium feed operation on the separation roller is hindered, and the sheet-like load is caused by the load in the feed direction by the retard roller pressed against the separation roller. The function of separating the medium is hindered. As a result, there is a possibility that the sheet-like medium sent out in an overlapped state cannot be separated. Further, when the feeding load acting from the side of the feeding roller is large, the sheet-like medium may not be fed through the nip portion between the separation roller and the retard roller.

  According to the present invention, since the feeding load of the sheet medium caused by the feeding roller does not act on the separation roller, such an adverse effect does not occur. Therefore, the sheet-like medium can be sent out one by one reliably and smoothly through the separation mechanism including the separation roller and the retard roller.

  Embodiments of a check reading apparatus having a medium feeding apparatus to which the present invention is applied will be described below with reference to the drawings.

(overall structure)
FIG. 1 is an external perspective view of a check processing apparatus according to the present embodiment, and FIG. 2 is a plan view thereof. The check processing device 1 includes a main body case 2 and a lid case 3 placed on the upper side of the main body case 2, and each component is incorporated therein. The cover case 3 is formed with a conveyance path 5 for a check 4 (sheet-like medium) composed of a narrow vertical groove. When viewed from above, the conveyance path 5 has a U-shape as a whole, and includes a straight upstream conveyance path portion 6, a curved conveyance path portion 7 continuous thereto, and a slight bend continuous thereto. And a downstream conveyance path portion 8.

  The upstream end of the upstream conveyance path portion 6 communicates with a check insertion portion 9 formed of a wide vertical groove. The downstream end of the downstream conveyance path portion 8 is connected to first and second check discharge sections 11 and 12 each having a wide vertical groove via branch paths 10a and 10b branched to the left and right.

  The check 4 to be read has a magnetic ink character 4A printed on the lower end portion of the surface 4a thereof. The front surface 4a describes the amount of money, the maker, the number, the signature, and the like, and the back surface 4b is provided with an endorsement column.

(Transport mechanism)
FIG. 3 is an explanatory view showing a transport mechanism incorporated in the check processing apparatus 1. The check insertion unit 9 is provided with a check delivery mechanism 13 for sending the checks 4 inserted in a stacked state here one by one to the transport path 5. The check insertion device 9 and the check delivery mechanism 13 constitute a check delivery device. The detailed structure of the check delivery mechanism 13 will be described later.

  The transport mechanism for transporting the check 4 along the transport path 5 includes a transport motor 21, a drive pulley 22 attached to the rotation shaft of the transport motor 21, and transport rollers 31 to 37 disposed along the transport path 5. And presser rollers 41 to 47 that are pressed against the respective transport rollers 31 to 37 and rotated together. The rotation of the presser roller 47 is transmitted to the discharge roller 49 via the transmission gear 48. Moreover, the endless belt 23 for transmitting rotation of the conveyance motor 21 to each conveyance roller 31-37 is provided, and motive power is transmitted to the conveyance rollers 31-37.

  The conveyance rollers 31 to 34 are arranged at the upstream end of the upstream conveyance path portion 6, the middle position thereof, and the boundary position with the curved conveyance path portion 7, respectively. The conveyance roller 35 is disposed at a downstream position in the curved conveyance path portion 7. The conveyance roller 36 is disposed at a middle position in the downstream conveyance path portion 8, and the conveyance roller 37 is disposed at the discharge port portion of the second check discharge portion 12. The discharge roller 49 is disposed in the discharge port portion of the first check discharge unit 11.

  Between the transport rollers 32 and 33, a front side contact image scanner 52 as a front side image reading unit and a back side contact image scanner 53 as a back side image reading unit are arranged. A magnetic head 54 for reading magnetic ink characters is disposed between the transport rollers 33 and 34.

  A printing mechanism 56 is arranged on the downstream side conveyance path portion 8 on the downstream side of the conveyance roller 36. The printing mechanism 56 can be moved between a printing position pressed by the check 4 and a standby position retracted from the printing position by a driving motor (not shown). The printing mechanism 56 may be a stamp mechanism that prints on the check 4 by being pushed by a plunger.

  Next, various sensors are arranged on the conveyance path 5 for check conveyance control. A sheet length detector 61 for detecting the length of the check 4 to be sent out is disposed between the transport rollers 31 and 32. Between the back side contact image scanner 53 and the transport roller 33, a double feed detector 62 for detecting that the check 4 is transported in an overlapping state is disposed. A jam detector 63 is arranged at a position on the front side of the transport roller 35. When the check 4 is continuously detected for a predetermined time or longer by the detector 63, a check is placed on the transport path 5. It can be seen that a paper jam has occurred. A print detector 64 for detecting the presence or absence of the check 4 printed by the printing mechanism 56 is disposed at a position on the labor side of the transport roller 36. Further, a discharge detector 65 for detecting a check discharged to these is arranged at the position of the branch paths 10a and 10b branched from the transport path 5 to the first and second check discharge sections 11 and 12. ing.

  A switching plate 66 that is switched by a drive motor (not shown) is disposed at the upstream end of the branch paths 10a and 10b. The switching plate 66 is for selectively switching the downstream end of the transport path 5 with respect to the first and second check discharge sections 11 and 12 and guiding the check 4 to the selected discharge section.

(Check delivery device)
FIG. 4 is a schematic configuration diagram showing a check delivery device including the check insertion portion 9 and the check delivery mechanism 13.

  First, as can be understood from FIGS. 1 to 4, the check insertion portion 9 is basically defined by a pair of left and right first guide surfaces 14, second guide surfaces 15, and a bottom surface 16. The first guide surface 14 is a straight flat vertical surface. The second guide surface 15 includes a parallel guide surface portion 15a disposed in parallel to the first guide surface 14 at a predetermined interval, and a substantially straight line from the front end of the parallel guide surface portion 15a toward the first guide surface 14 side. An orthogonal guide surface portion 15b that is bent at an angle of 90 degrees, an inclined guide surface portion 15c that gradually approaches from the end of the orthogonal guide surface portion 15b toward the first guide surface 14, and a leading end thereof are continuous. And a delivery-side parallel guide surface portion 15d facing the first guide surface in parallel at a narrow interval.

  A wide check storage portion 9a for inserting the check 4 is defined by the parallel guide surface portion 15a of the second guide surface 15 and the portion of the first guide surface 14 facing the parallel guide surface portion 15a. The tip of the check storage portion 9a is narrowed by the orthogonal guide surface portion 15b. Further, at the tip of the check storing portion 9a, there is a check guide portion 9b whose opening width is gradually reduced in the check feeding direction by the inclined guide surface portion 15c and the portion of the first guide surface 14 facing the inclined guide surface portion 15c. It is prescribed. At the tip of the check guide portion 9b, a check delivery passage 17 having a narrow width is defined by the delivery side parallel guide surface portion 15d and the portion of the first guide surface 14 facing the delivery side parallel guide surface portion 15d. The tip of the check delivery path 17 is a check delivery port 17 a connected to the transport path 5.

  Next, as shown in FIG. 4, the check feeding mechanism 13 includes a feeding roller 71 for feeding the check 4 and a pressing member 72 for pressing the check 4 against the feeding roller 71. Further, a separation mechanism 74 is provided for sending the check 4 sent to the check delivery path 17 by the feed roller 71 one by one to the transport path 5.

  The feeding roller 71 is disposed in the middle portion of the first guide surface 14 in the check feeding direction, and the outer peripheral surface 71 a slightly protrudes from the first guide surface 14 to the check insertion portion 9. . An opening 15e (see FIG. 1) is formed in the parallel guide surface portion 15a of the other second guide surface 15 facing the feed roller 71. The pressing member 72 can be advanced and retracted through the opening 15e.

  When the check 4 is sent out, the pressing member 72 presses the check 4 in the check insertion portion 9 against the feeding roller 71 side. When the feeding roller 71 is rotated in this state, the check 4 in contact with the feeding roller 71 is sent to the check feeding path 17 and is supplied to the conveyance path 5 side through this.

  Next, the separation mechanism 74 includes a separation pad 75 disposed on the upstream side of the check delivery path 17 and a separation roller pair 76 disposed on the downstream side of the check delivery path 17. The separation pad 75 is pivotable about a vertical pivot shaft 78 attached to the apparatus main body side. A tension coil spring 79 is bridged between the arm 77b on the rear end side of the separation pad 75 and a part on the apparatus main body side. Due to the spring force of the tension coil spring 79, the separation pad 75 is always urged in the turning direction in which the arm portion 77a on the distal end side advances into the check delivery passage 17, and the separation pad attached to the arm portion 77a. The leading end of 75 is always pressed against the first guide surface 14 in the check delivery path 17 and is kept in a state where the check delivery path 17 is sealed.

  Here, when the separation pad 75 is pressed against the first guide surface 14, the separation surface 75a is set to an inclination angle of less than 90 degrees with respect to the check feeding direction. In other words, the tip end of the check 4 sent to the check delivery path 17 by the feeding roller 71 is arranged to collide with the separation surface 75a at an angle of less than 90 degrees. For example, it arrange | positions so that it may collide with the angle within the range of 20-45 degree | times. Further, the separation surface 75a of the separation pad 75 is formed of a material in which the frictional force with the check 4 is larger than the frictional force between the checks 4. Further, the biasing force of the tension coil spring 79 against the separation pad 75 is set so that the check 4 fed by the feeding roller 71 can pass through the separation surface 75a while pushing out the separation surface 75a of the separation pad 75.

  The separation roller pair 76 disposed on the downstream side of the separation pad 75 includes a separation roller 81 disposed on the first guide surface 14 side and a retard roller 82 disposed on the other side. These nip portions 76a are set so as to be positioned at the center in the width direction of the check delivery path 17, and the retard roller 82 is pressed against the outer peripheral surface of the separation roller 81 with a predetermined pressing force. The retard roller 82 is given a rotational load torque in the check feeding direction by a torque limiter (not shown).

  The separation roller 81 is rotationally driven by a drive motor 83. As shown in FIG. 4, the rotation of the drive motor 83 is transmitted from the drive gear 84a to the separation roller 81 from the transmission gear 84d via the reduction gears 84b and 84c. The drive motor 83 is also used as a rotational drive source of the feed roller 71, and the rotation is transmitted to the feed roller 71 via the drive side gear 84a, the reduction gears 84b and 84c, and the transmission gear 84e. ing.

  FIG. 5A is an explanatory view showing a state in which the pressing member 72 is in the retracted position, and FIG. 5B is an explanatory view showing a state in which the pressing member 72 is turned to the protruding position. Referring to these drawings, the pressing member 72 can be turned in the horizontal direction around the vertical turning shaft 85 attached to the apparatus main body, and the parallel guide of the second guide surface 15 shown in FIG. A retracted position 72A that is retracted from the surface portion 15a, and a protruding position 72B that protrudes into the check storing portion 9a of the check insertion portion 9 shown in FIG. 5B and is pressed against the outer peripheral surface 71a of the feeding roller 71. It is possible to turn between.

  The pressing member 72 is rotationally driven by a driving motor (not shown). When the drive motor is a stepping motor, the turning position of the pressing member 72 can be controlled based on the number of steps.

  The retracted position 72A of the pressing member 72 is detected by a sensor such as a mechanical switch attached to the apparatus main body side, for example. The operation of pressing the pressing member 72 against the check 4 inserted into the check insertion portion 9 is permitted, for example, when the check 4 is detected by a transmissive optical sensor. When the check 4 is detected, the driving motor is driven and pressed by a command from the computer system 103 (see FIG. 7) which is the host device of the check processing device 1 or based on a manual operation input command. The member 72 turns from the retracted position 72 </ b> A toward the feeding roller 71 to form a state in which the check 4 is pressed against the feeding roller 71.

  Here, the distance between the feeding roller 71 and the separation roller 81 is shorter than the length dimension in the feeding direction of the check 4 to be processed. Therefore, the check 4 fed by the feed roller 71 is fed to the transport path 5 side through the nip portion 76a of the separation roller 81 and the retard roller 82 while being fed by the feed roller 71. . That is, the check 4 is simultaneously subjected to the feeding operation by the feeding roller 71 and the separation feeding operation by the separation roller pair 76.

  In this example, the outer diameter of the feeding roller 71 is slightly larger than the outer diameter of the separation roller 81. Further, the reduction ratio of the gear train (84a, 84b, 84c, 84e) that transmits the rotation of the drive motor 83 to the feeding roller 71 and the gear train (84a, 84b, 84c) that transmits the rotation of the drive motor 83 to the separation roller 81. , 84d) are the same. As a result, the peripheral speed of the feeding roller 71 is slightly higher than the peripheral speed of the separation roller 81. In other words, the feed amount (feed speed) of the check 4 by the feeding roller 71 is larger (faster) than the feed amount (feed speed) of the check 4 by the separation roller 81. The same feed amount (feed speed) relationship may be formed by setting the outer diameter dimensions of both the rollers 71 and 81 to be the same and making the reduction gear ratios of these reduction gear trains slightly different.

  Basically, the feed amount (feed speed) by the feeding roller 71 may be set to be the same as or larger (faster) than the feed amount (feed speed) by the separation roller 81. If they are set to be the same, the feed amount (feed speed) by the feed roller 71 may be smaller (slower) than that of the separation roller 81 due to component dimensional errors, assembly errors, and the like. In general, in consideration of such an error, the feed amount (feed speed) on the feed roller 71 side may be set to be slightly larger (faster).

(Check sending operation)
Next, a check sending operation by the check sending mechanism 13 will be described with reference to FIG.

  First, when the check 4 is inserted into the check insertion portion 9 in a stacked state, it is detected by a sensor (not shown) that the check 4 has been inserted. When the drive motor 83 is driven by a command from a host device or a manual operation input, the pressing member 72 turns into the check insertion portion 9 and presses the check 4 against the feeding roller 71 side.

  As a result, as shown in FIG. 6A, the check 4 inserted in a bundle in the check insertion portion 9 is moved toward the feed roller 71 by the tip end surface 72a of the pressing member 72 at a middle portion thereof. It becomes a pressed state.

  Next, as shown in FIG. 6B, the leading end of the check 4 sent to the check delivery path 17 hits the separation surface 75 a of the separation pad 75 blocking the check delivery path 17, and the separation pad 75. Passing the separation pad 75 while pressing. As a result, of the checks 4 sent out in an overlapped state, the check 4 on the side in contact with the separation surface 75a having a high friction coefficient is separated from the other checks 4. Further, since the separation pad 75 protrudes from the delivery-side parallel guide surface portion 15d toward the first guide surface 14, the check 4 is shifted to the first guide surface 14 side by the separation pad 75, and the first While being pressed against one guide surface 14, it is sent out toward the separation roller pair 76 on the downstream side.

  Here, as described above, the circumferential speed S (71) of the feeding roller 71 and the circumferential speed S (81) of the separation roller 81 are set so that the feeding roller 71 is slightly faster. Accordingly, the amount of check 4 sent out by the feed roller 71 on the upstream side in the feed direction is larger than the amount sent by the check 4 on the separation roller 81 on the downstream side, so that the check 4 is sent out in a slightly bent state. Therefore, it can be avoided that the feeding roller 71 acts as a feeding load of the check 4 and acts on the separation roller 81.

  When the feeding amount of the feeding roller 71 is small, the check 4 is fed between the feeding roller 71 and the separation roller 81 while being pulled backward. As a result, a large feed load acts on the separation roller 81, and the smooth feed operation of the check 4 is obstructed by the separation roller 81. In addition, the function of separating the check 4 by the load in the feeding direction by the retard roller 82 pressed against the separation roller 81 is hindered, and the check 4 fed out in an overlapped state may not be separated.

  In this example, since the feeding load of the check 4 caused by the feeding roller 71 does not act on the separation roller 81, such an adverse effect does not occur. Therefore, the check 4 can be reliably and smoothly sent out one by one toward the conveyance path 5 via the separation roller pair 76 including the separation roller 81 and the retard roller 82.

  As described above, in the check feeding mechanism 13 of this example, the feeding load caused by the feeding roller 71 does not act on the separation roller 81 side, so that the separation operation by the separation roller pair 76 is surely performed. Can do.

  The above description is an example in which the present invention is used as a check feeding device in a check processing device. The medium feeding device of the present invention can be similarly applied to devices for processing sheet-like media other than the check processing device, such as a printer, a scanner, and a magnetic information reading device.

(Control system)
FIG. 7 is a schematic block diagram showing a control system of the check processing device 1. The control system of the check processing apparatus 1 includes a ROM and a RAM, and includes a control unit 101 that is configured around a CPU. The control unit 101 is connected to the upper computer system 103 via the communication cable 102. The computer system 103 includes input / output devices such as a display 103a, an operation unit 103b such as a keyboard and a mouse, and a check reading operation start command is input to the control unit 101 from the computer system 103 side.

  Upon receiving the reading operation start command, the control unit 101 drives the drive motor 83 and the conveyance motor 21 to feed the check 4 one by one to the conveyance path 5, and conveys the sent check 4 along the conveyance path 5. Let The control unit 101 receives the surface image information, the back surface image information, and the magnetic ink character information of the check 4 read by the front surface side contact image scanner 52, the back surface side contact image scanner 53, and the magnetic head 54. These pieces of information are supplied to the computer system 103, where image processing, character recognition processing, and the like are performed, whether or not reading has been performed normally is determined, and the determination result is supplied to the control unit 101. The control unit 101 controls driving of the printing mechanism 56 and the switching plate 66 based on the determination result.

  The conveyance control of the check 4 by the control unit 101 is based on detection signals from the paper length detector 61, the double feed detector 62, the jam detector 63, the print detector 64 and the discharge detector 65 arranged in the conveyance path 5. Based on. Note that an operation unit 105 including an operation switch such as a power switch formed on the main body case 2 is connected to the control unit 101.

(Check processing operation)
FIG. 8 is a schematic flowchart showing the processing operation of the check processing device 1. First, when the operator inputs a reading start command from the operation unit 103b of the host computer system 103, when the insertion of the check 4 is detected by the sensor, the feeding roller 71 is rotated by the drive motor 83 and the pressing member 72 is moved. The check 4 is pressed against the feeding roller 71. As a result, the check 4 is sent out by the feeding roller 71. Further, the transport motor 21 is driven, and the transport rollers 31 to 37 are rotationally driven. The checks 4 fed to the delivery path 17 are separated one by one by the separation mechanism 74 arranged in the delivery path 17 and sent to the transport path 5 (steps ST1 and ST2).

  The sent check 4 is conveyed along the conveyance path 5 while being sequentially delivered to the conveyance rollers 31 to 36 (step ST3). The front and back images and magnetic ink characters of the check 4 being conveyed are read by the front-side contact image scanner 52, the back-side contact image scanner 53, and the magnetic head 54, respectively (step ST4).

  The read information is transmitted to the upper computer system 103 via the communication cable 102 (step ST5). The front side image, the back side image, and the magnetic ink character information read on the computer system 103 side are processed to determine whether the reading has been performed normally. When the check 4 is conveyed upside down, the magnetic ink character cannot be recognized, and it is determined that the reading is defective. When the check 4 is conveyed in the reverse state, the magnetic ink character information cannot be obtained, so that it is determined that reading is impossible. Further, even when a part of the magnetic ink character cannot be read due to the check 4 being broken, torn, or skewed during conveyance, it is determined that the reading is defective. Furthermore, it is determined from the image information on the front and back sides that the check 4 is defective even when the check 4 is broken, torn, or skewed at the time of conveyance, or when predetermined information such as money amount information cannot be recognized.

  If it is determined that the reading is normal, the printing mechanism 56 is moved to the printing position (steps ST8 and ST10). The check 4 is conveyed while printing such as “electronic payment completed” is performed by the printing mechanism 56, and is discharged to the first check discharge unit 11 side by the switching plate 66 (step ST10). After the trailing edge of the check 4 is detected by the discharge detector 65, the transport operation is stopped (steps ST11 and ST12).

  On the other hand, when a determination result such as reading failure or reading failure is obtained (step ST8), a switching operation of the switching plate 66 is performed (step ST14). The printing mechanism 56 is held at the standby position, and printing on the check 4 is not performed. The check 4 is distributed to the second check discharge unit 12 by the switching plate 66 and discharged there (step ST14). After the trailing edge of the check 4 is detected by the discharge detector 65, the conveying operation is stopped (steps ST11 and ST12).

  If a double feed state is detected by the double feed detector 62, an interrupt process is performed, the conveyance is immediately stopped, and an abnormality is detected via a warning lamp or the like disposed in the operation unit 105, for example. A warning is given to the effect that conveyance has occurred, and it is awaited that the check is removed from the conveyance path 5 and returned to its initial state. Similarly, similar interrupt processing occurs when the jam detector 63 detects that the check is jammed in the transport path 5.

1 is an external perspective view of a check processing apparatus to which the present invention is applied. It is a top view of the check processing apparatus of FIG. It is explanatory drawing which shows the conveyance mechanism of the check processing apparatus of FIG. It is a schematic block diagram of the check delivery apparatus of a check processing apparatus. It is explanatory drawing which shows operation | movement of a check feeding mechanism. It is explanatory drawing which shows the effect of a check feeding mechanism. It is a schematic block diagram which shows the control system of a check processing apparatus. It is a schematic flowchart which shows the check processing operation of a check processing apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Check processing apparatus, 2 Main body case, 3 Cover case, 4, 4 (1), 4 (2), 4 (3), 4 (n) Check, 5 conveyance path, 6 Upstream conveyance path part, 7 Curved shape Transport path part, 8 Downstream transport path part, 9 Check insertion part, 9a Check storage part, 9b Check guide part, 10a, 10b Branch passage, 11 First check discharge part, 12 Second check discharge part, 13 Check delivery mechanism , 14 1st guide surface, 15 2nd guide surface, 15a Parallel guide surface portion, 15b Orthogonal guide surface portion, 15c Inclined guide surface portion, 15d Delivery side parallel guide surface portion, 17 Check delivery path, 17a Check delivery port, 21 Conveyance motor, 22 Drive roller, 23 Endless belt, 24-27 Guide roller, 31-37 Conveyance roller, 41-47 Pressing roller, 51 Magnetism , 52 Front side contact image scanner, 53 Back side contact image scanner, 54 Magnetic head, 56 Printing mechanism, 71 Feeding roller, 72 Pressing member, 72a Tip surface, 72b Tip part, 74 Separation mechanism, 75 Separation pad, 75a Separation surface , 76 Separating roller pair, 76a nip part, 77 turning member, 78 turning shaft, 81 separating roller, 81a outer peripheral surface, 82 retard roller, 82a outer peripheral surface, 83 drive motor, 84a-84e gear, 85 turning shaft, 401 check Tip, S (71) Circumferential speed of feeding roller, S (81) Peripheral speed of separation roller

Claims (6)

A medium insertion portion into which the sheet-like medium is inserted in a laminated state;
A feeding roller for feeding out the sheet-like medium inserted in the medium insertion portion;
A pressing member for pressing the sheet-like medium inserted into the medium insertion portion against the feeding roller;
In order to separate the sheet-like medium fed by the feed roller and feed it one by one, a separation roller and a separation mechanism provided with a retard roller on which a rotational load pressed against the separation roller acts. Have
The medium feeding device according to claim 1, wherein a circumferential speed of the feeding roller is the same as or faster than a circumferential speed of the separation roller. The angular velocity of the separation roller is the same as the angular velocity of the feeding roller,
The medium feeding device according to claim 1, wherein an outer diameter of the feeding roller is larger than an outer diameter of the separation roller. The angular speed of the feeding roller is faster than the angular speed of the separation roller,
The medium feeding device according to claim 1, wherein an outer diameter of the separation roller is the same as an outer diameter of the feeding roller.   4. The medium feeding device according to claim 1, further comprising a common driving motor for rotationally driving the separation roller and the feeding roller. 5. A reduction gear train for transmitting rotation of the drive motor to the separation roller;
A reduction gear train that transmits the rotation of the drive motor to the feeding roller;
The medium feeding device according to claim 4, wherein the reduction gear ratios of the two reduction gear trains are different from each other.   A medium processing apparatus comprising the medium feeding apparatus according to any one of claims 1 to 5.

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