WO2014079225A2 - 纸张输送装置 - Google Patents

纸张输送装置 Download PDF

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Publication number
WO2014079225A2
WO2014079225A2 PCT/CN2013/079656 CN2013079656W WO2014079225A2 WO 2014079225 A2 WO2014079225 A2 WO 2014079225A2 CN 2013079656 W CN2013079656 W CN 2013079656W WO 2014079225 A2 WO2014079225 A2 WO 2014079225A2
Authority
WO
WIPO (PCT)
Prior art keywords
door
resin
banknote
paper feed
roller
Prior art date
Application number
PCT/CN2013/079656
Other languages
English (en)
French (fr)
Other versions
WO2014079225A3 (zh
Inventor
张晓飞
Original Assignee
光荣电子工业(苏州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 光荣电子工业(苏州)有限公司 filed Critical 光荣电子工业(苏州)有限公司
Priority to JP2014547714A priority Critical patent/JP2015507585A/ja
Priority to CN201380000805.XA priority patent/CN104470839B/zh
Priority to PCT/CN2013/079656 priority patent/WO2014079225A2/zh
Priority to JP2014045592A priority patent/JP2015020909A/ja
Publication of WO2014079225A2 publication Critical patent/WO2014079225A2/zh
Publication of WO2014079225A3 publication Critical patent/WO2014079225A3/zh

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/06Rollers or like rotary separators
    • B65H3/0676Rollers or like rotary separators with two or more separator rollers in the feeding direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/02Separating articles from piles using friction forces between articles and separator
    • B65H3/06Rollers or like rotary separators
    • B65H3/063Rollers or like rotary separators separating from the bottom of pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52Friction retainers acting on under or rear side of article being separated
    • B65H3/5207Non-driven retainers, e.g. movable retainers being moved by the motion of the article
    • B65H3/523Non-driven retainers, e.g. movable retainers being moved by the motion of the article the retainers positioned over articles separated from the bottom of the pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2401/00Materials used for the handling apparatus or parts thereof; Properties thereof
    • B65H2401/10Materials
    • B65H2401/13Coatings, paint or varnish
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10Size; Dimensions
    • B65H2511/13Thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20Location in space
    • B65H2511/22Distance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/40Temperature; Thermal conductivity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00Problem to be solved or advantage achieved
    • B65H2601/10Ensuring correct operation
    • B65H2601/12Compensating; Taking-up
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/19Specific article or web
    • B65H2701/1912Banknotes, bills and cheques or the like

Definitions

  • the present invention relates to a paper conveying device that performs conveying of paper. Background technique
  • a paper conveying device that performs conveyance of paper is widely used in various paper processing apparatuses.
  • a banknote transferring device used in a cash dispenser is disclosed in Japanese Laid-Open Patent Publication No. Hei 7-137870.
  • the bill transferring device is provided with an adjusting screw provided at a lower end portion of the door seat that holds the shaft of the door roller, so that the interval between the door roller and the first paper feed roller or the amount of overlap can be adjusted.
  • the surface of the paper feed roller has a resin for a paper feed roller that expands or contracts depending on the ambient temperature.
  • the surface of the door roller also has a resin for a door roller that expands or contracts depending on the ambient temperature. Therefore, when the ambient temperature changes, the gap G between the paper feed roller and the door roller does not change as desired due to the expansion or contraction of the resin for the paper feed roller and the resin for the door roller. Therefore, it is necessary to manually adjust the adjustment screw each time a temperature change occurs. This adjustment work sometimes becomes a burden. Summary of the invention
  • the present invention has been made in view of such a point, and an object of the invention is to provide a paper conveying device capable of automatically reducing or compensating for the influence of expansion or contraction of a resin for a paper feed roller and a resin for a door roller when the ambient temperature changes. .
  • the base member for adjusting the screw for the entire metal material is conventionally provided, and the environment-dependent temperature designed to reduce or compensate the resin for the paper feed roller and the resin for the door roller is actively provided.
  • the temperature change compensating resin portion affected by the expansion or contraction can achieve the object of the present invention.
  • the present invention is a paper conveying device that conveys sheets one by one, characterized in that the paper conveying device includes: a paper feed roller and a door roller which are disposed to face each other and which are formed to each other a gap as a conveying path of the paper; a door roller shaft supporting the door roller; a paper feed roller shaft supporting the paper feed roller; a door arm supporting a bearing for rotatably supporting the door roller shaft on one side And being fixed on the other side of the door arm shaft, rotating with the rotation of the door arm shaft, thereby bringing the door roller shaft closer to or away from the paper feed roller shaft; and adjusting mechanism by adjusting the Rotation of the door arm And adjusting a position of the door roller shaft relative to the paper feed roller shaft to adjust a gap between the paper feed roller and the door roller, the adjustment mechanism comprising: adjusting a screw abutting base member, The screw hole provided in the frame arm is screwed into contact with the adjusting screw abutting base member, and the screwing position of the screw hole
  • the surface of the paper feed roller having a resin for a paper feed roller that expands or contracts depending on an ambient temperature
  • the surface of the door roller has a resin for a door roller that expands or contracts depending on an ambient temperature.
  • the adjustment screw abutting base member has a temperature change compensation resin portion that expands or contracts depending on an ambient temperature, so that the resin for the paper feed roller and the resin for the door roller are expanded or contracted depending on the ambient temperature. Impact.
  • the base member for adjusting the screw abutment has a temperature change compensating resin portion that expands or contracts depending on the ambient temperature, so that the resin for the paper feed roller and the resin for the door roller are expanded or contracted depending on the ambient temperature. Therefore, when the ambient temperature changes, the influence of the expansion or contraction of the resin for the paper feed roller and the resin for the door roller can be automatically reduced or compensated.
  • the adjusting screw abutting base member has a metal plate portion at least at a portion abutting the adjusting screw.
  • the distance from the door arm shaft to the door roller shaft is longer than the distance from the door arm shaft to the abutting portion of the adjusting screw abutting base member and the adjusting screw. At this time, even if the change in the expansion or contraction of the resin portion for temperature change compensation is small, the gap between the paper feed roller and the door roller can be largely changed.
  • the ratio of the distance from the door arm shaft to the door roller shaft and the distance from the door arm shaft to the abutment portion of the adjusting screw abutting base member and the adjusting screw is 5:3.
  • the linear expansion coefficient of the resin for the paper feed roller is 0.000040 to 0.000050, preferably 0.000045, and the linear expansion coefficient of the resin for the door roller is 0.00017 to 0.00027, preferably 0.00022, as the average range of the physical value.
  • the coefficient of linear expansion of the resin portion for temperature change compensation is 0.00030 to 0.00040, preferably 0.00035, on the average value.
  • the door arm shaft is The ratio of the distance between the door roller shaft and the distance from the door arm shaft to the abutment portion of the adjusting screw abutting base member and the adjusting screw is 5:3, and the base member for adjusting the screw abutment is adjusted to +1 according to the principle of the lever.
  • the total shrinkage amount becomes 0.00292. (mm)
  • the ratio of the distance from the door arm shaft to the door roller shaft and the distance from the door arm shaft to the abutment portion of the adjusting screw abutting base member and the adjusting screw is 5:3, the adjusting screw is abutted according to the principle of the lever. Use the base part for -1.
  • FIG. 1 is a front elevational view of a bill counter according to an embodiment of the present invention.
  • Figure 2 is a side elevational view of the banknote counter shown in Figure 1 as seen from the right;
  • FIG. 3 is a configuration diagram showing an internal configuration of a bill counter shown in FIG. 1 and the like;
  • FIG. 4 is a plan view showing an internal configuration of the banknote counter shown in FIG. 3 from above;
  • FIG. 5 is a functional block diagram of the banknote counter shown in FIG. 1 and the like;
  • Figure 6 is a perspective view of the bill transporter of the embodiment
  • Figure 7 is a front elevational view of the bill transport device shown in Figure 6;
  • Figure 8 is a side elevational view of the bill transport device shown in Figure 6;
  • Fig. 9 is a side elevational view showing a part of a adjusting screw abutting base member, an adjusting screw, and an auxiliary door arm of the banknote transporting device of Fig. 6;
  • Fig. 10 is a rear elevational view showing the base member for adjusting the adjusting screw of the banknote transporting device of Fig. 6; detailed description
  • FIG. 1 to 10 are views showing a banknote counter of the embodiment.
  • 1 is a front view of the banknote counter of the present embodiment
  • FIG. 2 is a side view of the banknote counter shown in FIG. 1 as viewed from the right.
  • 3 is a configuration diagram showing an internal configuration of the banknote counter shown in FIG. 1 and the like
  • FIG. 4 is a plan view showing an internal configuration of the banknote counter shown in FIG. 3 as seen from above.
  • 5 is a functional block diagram of the banknote counter shown in FIG. 1 and the like.
  • the banknote counter 10 of the present embodiment includes a casing 11 having a substantially rectangular parallelepiped shape, an input portion 12 for loading a banknote into the casing 11, and a conveyance unit 12 for feeding.
  • the transport unit 14 of the banknotes in the casing 11 the recognition unit 20 for recognizing the banknotes transported by the transport unit 14 , and the accumulating unit 30 for accumulating the banknotes recognized by the recognition unit 20 .
  • the operator places a plurality of banknotes to be counted by the banknote counter 10 in an accumulated state.
  • the input unit 12 is provided with a transparent or semi-transparent guide member 12a, and along with the guide member 12a, the operator can deposit a banknote such as 100 yuan into the input unit 12.
  • the input unit 12 is provided with a transfer mechanism 13 for preventing the plurality of banknotes in the input unit 12 from being ejected one by one into the casing 11 in an accumulated state.
  • the take-out mechanism 13 has: a kick-off roller 13a that kicks out the lowermost banknote among the plurality of banknotes placed in the input portion 12; and a bill transporting device 50 as a sheet conveying device which is a feature of the present invention.
  • the bill transporter 50 has a paper feed roller 111 that ejects the bills kicked out by the slack roller 13a toward the inside of the casing 11 and a door roller (reverse roller) 112 that is disposed opposite to the paper feed roller 111.
  • a door portion is formed between the paper feed roller 111 and the paper feed roller 111. Further details regarding the bill transport device 50 will be described later.
  • the conveying portion 14 is provided with a plurality of conveying passages 14a, 14b, 14c, 14d arranged in series, and the bills are sequentially conveyed along the conveying passages 14a, 14b, 14c, 14d. Details of the configuration of each of the conveying passages 14a, 14b, 14c, and 14d will be described later.
  • the conveyance unit 14 is provided with an identification unit 20 for performing identification of the banknote conveyed by the conveyance unit 14.
  • the recognition unit 20 recognizes the cash type, the edition, the authenticity, the damage, and the like of the banknote.
  • the configuration of the recognition unit 20 will be described in detail with reference to Figs. 3 and 4 .
  • the recognition unit 20 includes a pair of line sensors 21 and 22 disposed along the third conveyance path 14c (described later) of the conveyance unit 14 and is disposed downstream of the pair of line sensors 21 and 22 in the conveyance direction of the banknotes.
  • the ultraviolet sensor 23 at the position is provided in the magnetic sensor 24 at a position upstream of the pair of line sensors 21 and 22 in the transport direction of the banknote.
  • the pair of line sensors 21, 22 are utilized as they are.
  • the banknotes conveyed by the conveying unit 14 are composed of elongated sensors extending in the width direction (that is, extending in a direction orthogonal to the plane of the paper of FIG. 3), and a plurality of lights are respectively disposed on the line sensors 21 and 22. Element and multiple light receiving elements.
  • the light emitted from the light-emitting elements of one line sensor is transmitted through the light-receiving element of the other line sensor (for example, the line sensor 22) through the banknote between the pair of line sensors 21, 22, or
  • the light emitted from the light-emitting elements of one line sensor is reflected by the banknotes between the pair of line sensors 21, 22 and then received by the light-receiving elements of the line sensor 21, so that the surface of the banknotes can be obtained.
  • the ultraviolet sensor 23 is provided on the downstream side of the pair of line sensors 21 and 22 in the conveyance direction of the banknote, and has a light-emitting element and a light-receiving element, and the ultraviolet sensor 23 is provided.
  • the ultraviolet light emitted from the light-emitting element is reflected by the banknote on the fourth transport path 14d (described later) of the transport unit 14, and then received by the light-receiving element of the ultraviolet sensor 23, whereby information relating to the fluorescence reaction of the banknote can be obtained.
  • the magnetic sensor 24 is provided at a position upstream of the pair of line sensors 21 and 22 in the transport direction of the banknote, and is supported by the magnetic sensor 24. Roller 25. Further, the banknote conveyed by the conveying portion 14 passes through the gap between the magnetic sensor 24 and the backup roller 25. A magnetic head is provided at the front end portion of the magnetic sensor 24, and when the ink of the pattern of the banknote is magnetic, the ink can be detected by the magnetic head. Further, a lot of hair such as nylon is implanted on the outer circumferential surface of the backup roll 25, and the banknote is pressed into the magnetic head of the magnetic sensor 24 by the hair.
  • timing sensors 26 and 27 are provided at the entrance portion and the outlet portion of the recognition portion 20, respectively. By detecting the leading end portion of the banknote by the timing sensor 26, it is determined that the banknote has entered the recognition portion 20, and the trailing end portion of the banknote is detected by the timing sensor 27, and the banknote is judged to come out from the identification portion 20.
  • the banknotes recognized by the recognition unit 20 are sent to the accumulation unit 30, and are accumulated in the accumulation unit 30.
  • the accumulation unit 30 accumulates the banknotes in a state that can be visually recognized from the outside. Further, the accumulation portion 30 is provided with an opening for taking out the banknote from the accumulation portion 30. Further, as shown in Fig. 1 and the like, the number of the accumulation sections 30 is one. Further, the accumulation unit 30 accumulates the banknotes in the order recognized by the recognition unit 20.
  • the accumulating portion 30 is provided with a pair of impellers 32 which rotate in the counterclockwise direction in FIG. 3 around the shaft 32a.
  • the impeller 32 is provided with a plurality of blades 32b extending outward from the outer circumferential surface thereof in a direction opposite to the rotational direction (clockwise in Fig. 3). As shown in FIG. 3, these vanes 32b are equally spaced on the outer circumferential surface of the impeller 32.
  • the impeller 32 blocks the banknote fed from the conveying portion 14 between the two blades 32b and feeds the banknotes interposed between the blades 32b to the stacking portion 30.
  • the banknotes are fed into the stacking unit 30 one by one from the impeller 32, and in the stacking unit 30, a plurality of banknotes are accumulated in a state of being aligned.
  • the conveying portion 14 is provided with a plurality of conveying passages 14a, 14b, 14c, 14d arranged in series, and the bills are conveyed in the order of the conveying passages 14a, 14b, 14c, 14d.
  • the first conveying path 14a is disposed on the upstream side of the magnetic sensor 24 and the branch roller 25 in the conveying direction of the banknote.
  • the second transport path 14b is disposed on the downstream side of the magnetic sensor 24 and the backup roller 25 in the transport direction of the banknote and on the upstream side of the pair of line sensors 21, 22.
  • the third conveying path 14c is disposed between the pair of line sensors 21, 22.
  • the fourth conveying path 14d is disposed on the downstream side of the pair of line sensors 21, 22 in the conveying direction of the banknote.
  • the height of the first conveying path 14a and the height of the fourth conveying path 14d are respectively 3 mm, whereas the height of the second conveying path 14b and the height of the third conveying path 14c are respectively 2mm.
  • this second conveying path 14b serves as the "height than the height of the conveying path on the more upstream side (i.e., the first conveying path 14a The height of the narrow narrow part "acts.
  • the height of the second conveying path 14b functioning as the narrow portion is substantially the same as the height of the third conveying path 14c between the pair of line sensors 21, 22.
  • the height of the narrow portion is substantially the same as the distance from the opposing faces of the pair of line sensors 21, 22.
  • the banknote counter 10 of the present embodiment is not limited to this mode.
  • the height of the narrow portion i.e., the height of the second transport path 14b
  • the height of the narrow portion (that is, the height of the second conveying path 14b) may be almost the same as or higher than the height of the space through which the banknotes in the constituent elements of the recognition portion 20 other than the pair of line sensors 21, 22 pass. Narrow.
  • the height of the fourth conveying path 14d on the downstream side of the pair of line sensors 21, 22 in the conveying direction of the banknote is larger than the height of the narrow portion (i.e., the height of the second conveying path 14b).
  • the height of the second conveying path 14b is 2 mrn
  • the height of the fourth conveying path 14d on the downstream side of the pair of line sensors 21, 22 in the conveying direction of the banknote is 3 mm.
  • the banknote counter 10 of the present embodiment is not limited to this embodiment.
  • the recognition unit 20 has the support roller 25 and the magnetic sensor 24 disposed to face the support roller 25. In the recognition unit 20, the banknote passes between the backup roller 25 and the magnetic sensor 24.
  • the narrow portion similar to the second transport path 14b may be provided on the upstream side of the magnetic sensor 24 and the branch roller 25 in the transport direction of the banknote.
  • the transport paths 14a, 14b, 14c, and 14d of the transport unit 14 extend substantially linearly in the body of the banknote counter 10.
  • the banknote counter 10 of the present embodiment is not limited to this mode.
  • the first conveying path 14a which is the conveying path of the conveying unit 14 on the upstream side of the narrow portion may be curved.
  • the height of the second conveying path 14b which is a narrow portion may be gradually narrowed in the conveying direction of the banknote.
  • the height of the first conveying path 14a may be gradually narrowed in the conveying direction of the banknote, and the height of the outlet of the first conveying path 14a is the same as the height of the narrow portion, that is, the second conveying path 14b.
  • the input unit 12 is provided with a detection sensor 40 for detecting whether or not a banknote is accumulated in the input unit 12.
  • the detection sensor 40 is composed of a reflection sensor having a light-emitting element and a light-receiving element.
  • the input unit 12 accumulates the banknote, the light emitted from the light-emitting element of the reflection sensor is reflected by the banknote accumulated in the input unit 12 and is reflected by the reflection sensor. Accepted by the light receiving element. Thereby, it is detected by the detecting sensor 40 whether or not the banknote is accumulated in the input unit 12.
  • the accumulation unit 30 is provided with a pair of detection sensors 42 and 44 for detecting whether or not banknotes are accumulated in the accumulation unit 30.
  • a light-emitting element is provided on one of the pair of detection sensors 42, 44, and a light-receiving element is provided on the other detection sensor. Further, in the case where the accumulation unit 30 does not accumulate the banknotes, the light emitted from the light-emitting elements of one detection sensor (for example, the detection sensor 42) is received by the light-receiving elements of the other detection sensor (for example, the detection sensor 44), in the accumulation section.
  • the banknotes When the banknotes are accumulated 30, the light emitted from the light-emitting elements of one detecting sensor (for example, the detecting sensor 42) is blocked by the banknotes accumulated in the stacking portion 30 without being detected by another detecting sensor (for example, the detecting sensor 44). Accepted by the light receiving element. Thereby, whether or not the banknotes are accumulated in the stacking unit 30 is detected by the pair of detecting sensors 42 and 44.
  • FIG. 5 shows a functional block diagram of such a bill counter 10.
  • the control unit 50 is connected to the transfer mechanism 13 provided in the input unit 12, the transport unit 14, the recognition unit 20, the drive unit 32c of the impeller 32, the detection sensor 40 provided in the input unit 12, and the setting.
  • a pair of detection sensors 42 and 44 in the accumulation unit 30 are sent to the control unit 50.
  • the control unit 50 transmits a command signal to each component of the banknote counter 10, specifically, the transfer mechanism 13, the transport unit 14, the drive unit 32c of the impeller 32, and the like, and controls the operation of these components.
  • an operation portion 58 and a display portion 62 are provided on the front surface of the casing 11 of the banknote counter 10.
  • the operation unit 58 has a plurality of operation keys, and the operator can supply various commands to the control unit 50 of the banknote counter 10 by pressing these operation keys. Further, various information such as the counting result of the banknotes of the banknote counter 10 is displayed on the display unit 62.
  • a storage unit 56 is connected to the control unit 50, and various information such as a result of counting the banknotes of the banknote counter 10 is stored in the storage unit 56.
  • the control unit 50 is connected to the image data obtaining unit 52 and the character recognizing unit 54, respectively.
  • the image data obtaining unit 52 obtains image data of at least the recording number (crown number) of the banknote based on the information on the surface of the banknote obtained by the pair of line sensors 21 and 22 in the recognition unit 20.
  • the character recognition unit 54 recognizes the character of the record number (for example, a number of about 10 digits) based on the image data of the surface of the banknote obtained by the image data obtaining unit 52.
  • the character recognition unit 54 performs recognition processing by, for example, an OCR (Optical Character Recognition) method.
  • the control unit 50 is connected to the output unit 60.
  • the output unit 60 performs output of various kinds of information.
  • the output unit 60 has a display unit 62, a communication unit 66, and a writing unit 70.
  • the communication unit 66 transmits various kinds of information to an external device.
  • the communication portion 66 has a connection terminal 68 into which a connection wire is inserted.
  • the writing unit 70 writes various kinds of information to the storage medium.
  • Fig. 2 is a side view of the banknote counter 10 shown in Fig. 1 as viewed from the right.
  • a switch 80, a power supply line insertion port 81, and a fuse 82 are provided on the side surface of the casing 11 of the banknote counter 10.
  • the operation of the banknote counter 10 can be switched ON/OFF by the switch 80. Further, by inserting the power cord into the insertion port 81, it is possible to supply electric power to the bill counter 10 from the outside. Further, in the banknote counter 10 of the present embodiment, two fuses 82 are provided.
  • two serial interfaces 68a and 68b are provided on the side surface of the casing 11 of the banknote counter 10.
  • the serial connectors 68a, 68b can be inserted into the connecting wires via the inserted string
  • the connection wires of the row interfaces 68a and 68b can connect an external device such as a printer to the banknote counter 10.
  • an insertion port 70a for inserting an SD card and an insertion port 70b for inserting a USB are provided on the side surface of the casing 11 of the banknote counter 10.
  • the insertion portion 70a constitutes the writing portion 70 for writing various kinds of information into the storage medium. Further, by inserting the USB into the insertion port 70b, an external device such as a personal computer can be connected to the banknote counter 10.
  • the connection terminals 68 of the communication unit 66 are constituted by the serial interfaces 68a and 68b and the insertion port 70b.
  • Fig. 6 is a perspective view of the banknote transport device 110 of the present embodiment
  • Fig. 7 is a front view of the banknote transport device 110 of Fig. 6
  • Fig. 8 is a side view of the banknote transport device 110 of Fig. 6
  • Fig. 9 is a view showing the banknote of Fig. 6.
  • Fig. 10 is a rear view showing the adjusting screw abutting base member of the banknote transporting device 110 of Fig. 6 .
  • the banknote transport apparatus 110 of the banknote counter of the present embodiment transports sheets one by one, and includes gaps G which are disposed to face each other and which are formed as a conveyance path of the sheets.
  • Two door rollers 112 are provided on the left and right sides, and are supported by the door roller shaft 114, and three paper feed rollers 111 are disposed on the left and right sides, and are supported by the paper feed roller shaft 113.
  • one side of the door arm 122 supports a bearing 116 for rotatably supporting the door roller shaft 114, and the other side of the door arm 122 is fixed to the door arm shaft 121.
  • the door arm shaft 121 is rotatably held, for example, on the side of the frame. Therefore, with the rotation of the door arm shaft 121, the door arm 122 and the door roller shaft 114 are integrated to rotate about the axis of the door arm shaft. Thereby, the door arm 122 is rotated about the door arm shaft 121, so that the door roller shaft 114 can be brought closer to or away from the paper feed roller shaft 113.
  • an adjustment mechanism 130 which adjusts the rotational position of the door arm 122 by rotating the door arm shaft 121, and adjusts the position of the door roller shaft 114 with respect to the paper feed roller shaft 113. Thereby, the gap G between the paper feed roller 111 and the gate roller 112 is adjusted.
  • the adjustment mechanism 130 is composed of an adjustment screw abutting base member 131 and an adjustment screw 132.
  • the adjustment screw abutting base member 131 is fixed to a casing (not shown).
  • the adjusting screw 132 is screwed to the screw hole 122t provided in the auxiliary door arm 122s, and abuts against the adjusting screw abutting base member 131.
  • the auxiliary door arm 122s is fixed to the door arm shaft 121, and rotates around the door arm shaft 121 integrally with the door arm 122 as the door arm shaft 121 rotates.
  • the relative position of the door arm 122 with respect to the adjustment screw abutting base member 131 can be adjusted by manually adjusting the screwing position of the adjustment screw 132 and the screw hole 122t.
  • the position of the door roller shaft 114 with respect to the paper feed roller shaft 113 is adjusted by manually adjusting the screwing position of the adjustment screw 132 with respect to the screw hole 122t, so that the between the paper feed roller 111 and the gate roller 112 can be adjusted. Gap G.
  • a resin for the paper feed roller that expands or contracts depending on the ambient temperature is provided with a polyamide resin at a thickness of 16 mm.
  • a resin having an average linear expansion coefficient of the resin of 0.000045 is preferable.
  • a resin for a door roller which expands or contracts depending on the ambient temperature is provided with a polyurethane resin in a thickness of 10 mm.
  • a resin having an average linear expansion coefficient of the resin of 0.00022 is preferable.
  • the total amount of expansion (the amount of reduction in the gap) becomes 0.00292. ( mm ). It is desirable to retract the door roller shaft 114 (away from the paper feed roller shaft 113) by the amount of expansion.
  • the screw abutting base member 131 is adjusted to +1 according to the principle of the lever.
  • the adjustment screw abutting base member 131 has a temperature change compensation resin portion 131r that expands depending on the ambient temperature, so that the resin for the paper feed roller and the resin for the door roller are reduced or compensated.
  • the total amount of shrinkage (the amount of increase in the gap) becomes 0.00292. ( mm ). It is desirable to bring the door roller shaft 114 to the paper feed roller shaft 113 close to the amount of expansion.
  • the screw abutting base member 131 is adjusted to -1 in accordance with the principle of the lever.
  • the adjustment screw abutting base member 131 has a temperature change compensation resin portion 131r that contracts depending on the ambient temperature, so that the resin for the paper feed roller and the resin for the door roller are reduced or compensated. The effect of temperature shrinkage.
  • a polyurethane resin having a linear expansion coefficient of 0.00035 was set to a thickness of 5 mm.
  • the temperature change compensation resin portion is -1.
  • the linear expansion coefficient of the resin for the paper feed roller is Cf
  • the linear expansion coefficient of the resin for the door roller is Cg
  • the linear expansion coefficient of the resin portion 131r for temperature change is Cc.
  • the thickness of the resin for the paper feed roller is Tf
  • the thickness of the resin for the door roller is Tg
  • the distance between the door arm shaft 121 and the door roller shaft 114 is Lg
  • the base member for connecting the door arm shaft 121 to the adjusting screw 4 is used.
  • the thickness Tc of the temperature change compensation resin portion 131r is supplied by (Cf - Tf + Cg - Tg ) ⁇ ( Ls / Lg ) / Cc.
  • the distance Lg of the door arm shaft 121 to the door roller shaft 114 is preferably longer than the distance Ls from the door arm shaft 121 to the abutting portion of the adjusting screw abutting base member 131 and the adjusting screw 132.
  • the gap G between the paper feed roller 111 and the gate roller 112 can be largely changed.
  • the distance Lg is set too long compared to the distance Ls, the load applied to the temperature change compensation resin portion 131r is too large, and the desired effect may not be obtained.
  • the load applied to the temperature change compensation resin portion 131r can be reduced, and the change in the temperature change compensation resin portion 131r can be extended to Gap G.
  • the portion where the abutment 132 has a metal plate portion 131m This is because if the entire adjustment screw abutting base member 131 is composed of the resin 131r for temperature change compensation, damage is caused early in the portion where the adjustment screw 132 abuts, which is not preferable.
  • the operation of the banknote counter 10 having such a configuration will be described. Specifically, a method of counting the banknotes of the banknote counter 10 will be described. Further, the operation of the bill counter 10 shown below is performed by the control unit 50 controlling each component of the bill counter 10.
  • the position of the door roller shaft 114 with respect to the paper feed roller shaft 113 is adjusted by manually adjusting the screwing position of the adjustment screw 132 with respect to the screw hole 122t, thereby adjusting the gap between the paper feed roller 111 and the gate roller 112. G. Thereby, it is possible to absorb the influence of the deviation of various sizes when the device is started to be used.
  • the operator puts the bundle of the banknotes to be counted by the banknote counter 10 in a stacked state. It is placed in the input unit 12. Then, when the operator presses the start/stop key, that is, the operation key 58a, the banknotes placed in the input unit 12 in the stacked state are transferred out into the casing 11 one by one by the transfer mechanism 13. Then, the banknotes that are transferred out of the casing 11 by the take-out mechanism 13 are conveyed one by one by the conveying unit 14. At this time, the banknotes are transported in the order of the conveying paths 14a, 14b, 14c, 14d.
  • the identification unit 20 recognizes the cash type, the edition, the authenticity, the damage, and the like. Then, the banknotes recognized by the recognition unit 20 are sent to the accumulation unit 30 by the conveyance unit 14, and are accumulated in the accumulation unit 30.
  • the transfer mechanism 13 and the conveyance unit 14 are stopped.
  • the display unit 62 displays the record number of the banknote recognized by the front recognition unit 20 of the banknote (hereinafter referred to as "rejected banknote") which is determined to be rejected. More specifically, when it is determined that the banknote recognized by the recognition unit 20 is a banknote to be rejected, the delivery mechanism 13 may be stopped to stop taking in a new banknote.
  • the banknote to be rejected may be accumulated in the accumulation unit 30, and the accumulation of the new banknote to the accumulation unit 30 may be prohibited.
  • the banknote to be rejected is accumulated in the accumulation unit 30, and then the conveyance unit 14 is stopped. Further, in the accumulation unit 30, the banknotes are accumulated in the order recognized by the recognition unit 20, and it is determined that the banknotes rejecting the banknotes are accumulated in the uppermost layer of the accumulated banknotes.
  • the display unit 62 by causing the display unit 62 to display the record number of the banknote recognized by the recognition unit 20 before the banknote of the banknote that is determined to be rejected, it is possible to easily determine the rejected banknote among the plurality of banknotes accumulated in the accumulation unit 30. .
  • the banknote on one of the banknotes of the record number displayed on the display unit 62 can be regarded as the rejected banknote.
  • the conventional method is difficult to determine where the banknotes accumulated in the accumulating unit 30 are rejected, but the banknotes are rejected.
  • the rejected banknote can be easily determined. Further, the operator removes the rejected banknotes from the banknotes accumulated in the accumulation unit 30, and puts the remaining banknotes back into the input unit 12 to perform the recounting of the banknotes. Alternatively, the operator can manually input information related to the rejected banknote through the operation unit 58.
  • the display unit 62 may display the recording number of the banknote included in the one recognized front recognition unit 20 of the rejected banknote, and the identification unit 20 may be positioned before the rejected banknote The record number of the specified number of banknotes identified. In this case, the determination of the rejected banknote can be performed more easily.
  • the normality recognized by the recognition unit 20 may be displayed on the display unit 62. The number of sheets of paper money.
  • the information indicating that the banknote is recognized by the recognition unit 20 may be displayed on the display unit 62 (for example, "the rejected banknote in which the abnormal banknote is recognized is recognized, so please The accumulation section removes the "message”.
  • the rejection recognized by the recognition unit 20 may be displayed on the display unit 62.
  • Information related to the reason for the rejection of the banknote for example, "chaining”, “re-sending”, “slanting”, “counterfeit currency”, “cannot determine the type of cash", and the like can be cited.
  • the banknote recognized by the recognition unit 20 when it is determined that the banknote recognized by the recognition unit 20 is a rejected banknote, the banknote recognized by the recognition unit 20 before the rejection of one banknote is displayed on the display unit 62.
  • the record number of the banknote counter 10 of the present embodiment is not limited to this mode.
  • the output unit 60 when it is determined that the banknote recognized by the recognition unit 20 is a rejected banknote, the output unit 60 may output the record number of the banknote recognized by the recognition unit 20 before rejecting one banknote.
  • the reject banknote may be output from the communication unit 66.
  • the record number of the banknote recognized by the front recognition unit 20 is printed by the printer connected to the banknote counter 1.
  • the record number of the banknote recognized by the recognition unit 20 before rejecting one of the banknotes may be written by the writing unit 70.
  • Storage media such as SD card.
  • the banknote counter 10 is provided with a height at a predetermined position on the upstream side of the recognition unit 20 (specifically, the pair of line sensors 21 and 22) in the conveyance path of the conveyance unit 14 a narrow portion narrower than the height of the inlet portion of the conveying passage.
  • the second conveying path 14 b disposed on the upstream side of the pair of line sensors 21 and 22 in the conveying direction of the banknote functions as a narrow portion, and the height of the second conveying path 14 b is higher than that of the conveying portion 14
  • the height of the first conveying path 14a provided in the inlet portion of the conveying portion 14 in the conveying passage is narrow.
  • the height of the second conveying path 14b is, for example, 2 mm
  • the height of the first conveying path 14a is, for example, 3 mm
  • the height of the second conveying path 14b is smaller than the height of the first conveying path 14a.
  • the total amount of expansion (the amount of decrease in the gap) of the temperature change becomes 0.00292 (mm).
  • the screw abutting base member 131 is adjusted for +1.
  • the temperature change compensating resin portion 131r of the adjusting screw abutting base member 131 is composed of a urethane resin having a linear expansion coefficient of 0.00035 and a thickness of 5 mm, so that it is +1.
  • the influence of the expansion of the resin for the paper feed roller and the resin for the door roller can be automatically reduced or compensated.
  • -1 is used.
  • the total amount of shrinkage (the amount of increase in the gap) of the temperature change is 0.00292 (mm).
  • a temperature change of -1 ° it is desirable to bring the door roller shaft 114 toward the paper feed roller shaft 113 close to the contraction amount.
  • the screw abutting base member 131 is adjusted for -1.
  • the temperature change compensating resin portion 131r of the adjusting screw abutting base member 131 is composed of a urethane resin having a linear expansion coefficient of 0.00035 and a thickness of 5 mm, so that it is -1.
  • the influence of the shrinkage of the resin for the paper feed roller and the resin for the door roller can be automatically reduced or compensated.
  • the paper counter of the present invention is not limited to the above-described embodiment, and various modifications can be applied. More specifically, the paper counter of the present invention is not limited to the banknote counter that counts the banknotes. As the paper counter of the present invention, a counter for counting paper other than banknotes such as a cash check or a merchandise coupon may be used.
  • the paper counter of the present invention is not limited to being provided with one input portion and one accumulation portion.
  • two or more input units may be provided, and the sheets fed into the respective input units are transferred out to the inside of the casing and recognized by the recognition unit.
  • two or more accumulation sections may be provided, and the paper recognized by the recognition section is assigned to each accumulation section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

本发明提供一种纸张输送装置,其中,调整螺钉抵接用基础部件具有依赖环境温度而膨胀或收缩的温度变化补偿用树脂部,使得减轻或补偿送紙辊用树脂以及门辊用树脂的依赖环境温度的膨胀或收缩的影响。

Description

纸张输送装置 技术领域
本发明涉及进行纸张的输送的纸张输送装置。 背景技术
进行纸张的输送的纸张输送装置装入各种纸张处理装置中广泛地利用。 例如, 在日本公开专利公报、 特开平 7-137870中, 公开了在现金自动存取款 机中使用的纸币转出装置。
该纸币转出装置是在保持门辊的轴的门座的下端部设置调整螺釘, 从而 能够对门辊与第一送纸辊的间隔或者重叠量进行 调的装置。
通常, 送纸辊的表面具有依赖环境温度而膨胀或收缩的送纸辊用树脂。 同样地, 门辊的表面也具有依赖环境温度而膨胀或收缩的门辊用树脂。 因此, 有时在环境温度变化时, 因送纸辊用树脂以及门辊用树脂的膨胀或收缩的影 响, 送纸辊与门辊之间的间隙 G没有所期望地那样变化。 因此, 需要在每次 产生了温度变化时, 手动调整调整螺釘。 该调整作业有时成为负担。 发明内容
本发明是考虑这样的点而完成的, 其目的在于, 提供一种在环境温度变 化时, 能够自动地减轻或补偿送纸辊用树脂以及门辊用树脂的膨胀或收缩的 影响的纸张输送装置。
根据本申请的发明人的见解, 通过在以往是整体为金属材质的调整螺釘 抵接用基础部件中, 积极地设置被设计为减轻或补偿送纸辊用树脂以及门辊 用树脂的依赖环境温度的膨胀或收缩的影响的温度变化补偿用树脂部, 从而 能够实现本发明的目的。
即, 本发明是一种纸张输送装置, 其一张一张输送纸张, 其特征在于, 所述纸张输送装置具备: 送纸辊以及门辊, 其设置为相互对置, 且将相互之 间形成的间隙作为纸张的输送通道; 门辊轴, 支撑所述门辊; 送纸辊轴, 支 撑所述送纸辊; 门臂, 在一侧支撑用于可旋转地支撑所述门辊轴的轴承, 而 在另一侧固定在门臂轴上, 随着该门臂轴的转动而转动, 从而使所述门辊轴 相对所述送纸辊轴接近或远离; 以及调整机构, 通过调整所述门臂的转动位 置来调整所述门辊轴相对所述送纸辊轴的位置, 从而调整所述送纸辊和所述 门辊之间的间隙, 所述调整机构包括: 调整螺釘抵接用基础部件, 相对框体 臂中设置的螺釘孔螺合, 且与所述调整螺釘抵接用基础部件抵接, 通过调整 与所述螺釘孔的螺合位置来调整相对所述调整螺釘抵接用基础部件的所述门 臂的相对位置, 所述送纸辊的表面具有依赖环境温度而膨胀或收缩的送纸辊 用树脂, 所述门辊的表面具有依赖环境温度而膨胀或收缩的门辊用树脂, 所 述调整螺釘抵接用基础部件具有依赖环境温度而膨胀或收缩的温度变化补偿 用树脂部, 使得减轻或补偿所述送纸辊用树脂以及所述门辊用树脂的依赖环 境温度的膨胀或收缩的影响。
根据本发明, 由于调整螺釘抵接用基础部件具有依赖环境温度而膨胀或 收缩的温度变化补偿用树脂部, 使得减轻或补偿送纸辊用树脂以及门辊用树 脂的依赖环境温度的膨胀或收缩的影响, 所以在环境温度变化时, 能够自动 地减轻或补偿送纸辊用树脂以及门辊用树脂的膨胀或收缩的影响。
其中, 若将调整螺釘抵接用基础部件的整体由温度变化补偿用的树脂构 成, 则在与调整螺釘抵接的部位, 较早产生损伤。 因此, 优选地, 调整螺釘 抵接用基础部件至少在与调整螺釘抵接的部位具有金属板部。
优选地, 门臂轴至门辊轴的距离比门臂轴至调整螺釘抵接用基础部件与 调整螺釘的抵接部位的距离长。 此时, 即使温度变化补偿用树脂部的膨胀或 收缩的变化小, 也能够大幅改变送纸辊与门辊之间的间隙。 例如, 优选地, 门臂轴至门辊轴的距离和门臂轴至调整螺釘抵接用基础部件与调整螺釘的抵 接部位的距离之比为 5:3。
作为具体的物理值的范围, 送纸辊用树脂的线膨胀系数在平均值上为 0.000040-0.000050, 优选为 0.000045 , 门辊用树脂的线膨胀系数在平均值上 为 0.00017~0.00027, 优选为 0.00022, 温度变化补偿用树脂部的线膨胀系数 在平均值上为 0.00030~0.00040, 优选为 0.00035。
在这样的物理值的情况下, 在送纸辊用树脂在平均值上具有 16mm的厚 度、门辊用树脂在平均值上具有 10mm的厚度的情况下,对于 +1。的温度变化, 送纸辊用树脂的膨胀量为 0.000045x16=0.00072 ( mm ), 门辊用树脂的膨胀量 为 0.00022xl0=0.0022( mm ) ,所以合计的膨胀量(间隙的减少量)成为 0.00292 ( mm ), 期望使门辊轴退避(远离送纸辊轴)该膨胀量。 此时, 若门臂轴至 门辊轴的距离和门臂轴至调整螺釘抵接用基础部件与调整螺釘的抵接部位的 距离之比为 5:3 , 则根据杠杆原理, 调整螺釘抵接用基础部件对于 +1。的温度 变化, 最好膨胀 0.00292x3/5=0.001752 ( mm )。 并且, 若温度变化补偿用树脂 部的线膨胀系数为 0.00035 , 则温度变化补偿用树脂部最好具有 0.001752/0.00035=5 ( mm ) 的厚度。
另一方面, 对于 -1。的温度变化, 送纸辊用树脂的收缩量为 0.000045x16=0.00072 ( mm ) , 门辊用树脂的收缩量为 0.00022x10=0.0022 ( mm ), 所以合计的收缩量(间隙的增大量)成为 0.00292 ( mm ), 期望使门 辊轴对送纸辊轴接近该收缩量。 此时, 若门臂轴至门辊轴的距离和门臂轴至 调整螺釘抵接用基础部件与调整螺釘的抵接部位的距离之比为 5:3 ,则根据杠 杆原理, 调整螺釘抵接用基础部件对于 -1。的温度变化, 最好收缩 0.00292x3/5=0.001752 ( mm )。 并且, 若温度变化补偿用树脂部的线膨胀系数 为 0.00035 , 则温度变化补偿用树脂部最好具有 0.001752/0.00035=5 ( mm )的 厚度。 附图说明
图 1是本发明的实施方式的纸币计数器的正面图;
图 2是从右方看图 1所示的纸币计数器时的侧面图;
图 3是表示图 1等所示的纸币计数器的内部构成的构成图;
图 4是从上方看图 3所示的纸币计数器的内部构成时的俯视图; 图 5是图 1等所示的纸币计数器的功能块图;
图 6是本实施方式的纸币输送装置的立体图;
图 7是图 6所示的纸币输送装置的正面图;
图 8是图 6所示的纸币输送装置的侧面图;
图 9是表示图 6的纸币输送装置的调整螺釘抵接用基础部件、调整螺釘、 辅助门臂的一部分的侧面图;
图 10是表示图 6的纸币输送装置的调整螺釘抵接用基础部件的背面图。 具体实施方式
下面, 参照附图对本发明的实施方式进行说明。 另外, 在本实施方式中, 作为包括一张一张输送纸张的纸张输送装置的纸张计数器, 列举以进行纸币 的计数的纸币计数器为例进行说明。 图 1〜图 10是表示本实施方式的纸币计 数器的图。 其中, 图 1是本实施方式的纸币计数器的正面图, 图 2是从右方 看图 1所示的纸币计数器时的侧面图。 另外, 图 3是表示图 1等所示的纸币 计数器的内部构成的构成图, 图 4是从上方看图 3所示的纸币计数器的内部 构成时的俯视图。 另外, 图 5是图 1等所示的纸币计数器的功能块图。
如图 1及图 3所示, 本实施方式的纸币计数器 10具备: 大致长方体形状 的壳体 11、 用于将纸币投入到壳体 11内的投入部 12、 用于输送由投入部 12 投入到壳体 11内的纸币的输送部 14、 用于进行由输送部 14输送的纸币的识 别的识别部 20、 累积由识别部 20识别后的纸币的累积部 30。
在投入部 12, 由操作者以累积状态放置要利用纸币计数器 10进行计数 的多张纸币。 具体而言, 如图 1及图 2所示, 在投入部 12设置有透明或者半 透明的导向部件 12a, 沿着这种导向部件 12a, 操作者能够将 100元等纸币投 入到投入部 12。 另外, 如图 3所示, 在投入部 12设置有转出机构 13 , 以累 积状态防止在投入部 12的多张纸币由转出机构 13—张一张地转出到壳体 11 内。 转出机构 13具有: 弹踢辊 13a, 其将放在投入部 12的多张纸币中最下层 的纸币踢出; 以及作为本发明的特征的纸张输送装置的纸币输送装置 50。 纸 币输送装置 50具有: 送纸辊 111 , 其将由弹踢辊 13a踢出的纸币向壳体 11的 内部转出; 门辊(反转辊) 112, 其与送纸辊 111对向设置, 在其与该送纸辊 111之间形成门部。关于纸币输送装置 50的进一步的细节在后面叙述。 而且, 由转出机构 13转出到壳体 11内的纸币, 由输送部 14一张一张地输送。 在输 送部 14设置有串联配置的多个输送通道 14a、 14b、 14c、 14d, 纸币依次沿输 送通道 14a、 14b、 14c、 14d被输送。 对这些各输送通道 14a、 14b、 14c、 14d 的构成的细节, 后面进行叙述。
在输送部 14设置有用于进行由该输送部 14输送的纸币的识别的识别部 20。 识别部 20对纸币的现金种类、 版别、 真假、 正损等进行识别。 采用图 3 及图 4对这种识别部 20的构成详细叙述。
识别部 20具有: 隔着输送部 14的第三输送通道 14c (后述)而配置的一 对线传感器 21、 22、 在纸币的输送方向设置于比一对线传感器 21、 22更靠 下游侧的位置的紫外线传感器 23、 在纸币的输送方向设置于比一对线传感器 21、 22更靠上游侧的位置的磁传感器 24。
若更详细地进行说明, 则如图 4所示, 一对线传感器 21、 22由如向利用 输送部 14输送的纸币的宽度方向延伸的(即, 如向与图 3的纸面正交的方向 延伸的那样)细长的传感器组成, 在这些线传感器 21、 22上分别设置有多个 发光元件及多个受光元件。 而且, 从一个线传感器(例如线传感器 21 ) 的发 光元件发出的光, 透过处于一对线传感器 21、 22之间的纸币被另一线传感器 (例如线传感器 22 ) 的受光元件接受, 或者, 一个线传感器(例如, 线传感 器 21 ) 的发光元件发出的光, 被处于一对线传感器 21、 22之间的纸币反射 后再被该线传感器 21的受光元件接受,从而能够获得与纸币的表面图像相关 的信息。
另夕卜,如图 3及图 4所示,在纸币的输送方向设置于比一对线传感器 21、 22更靠下游侧的位置的紫外线传感器 23 , 具有发光元件及受光元件, 从紫外 线传感器 23的发光元件发出的紫外线在处于输送部 14的第四输送通道 14d (后述)上的纸币进行反射后再被该紫外线传感器 23的受光元件接受, 从而 能够获得与纸币的荧光反应相关的信息。
另外, 如图 3及图 4所示, 在纸币的输送方向比一对线传感器 21、 22更 靠上游侧的位置, 设置有磁传感器 24, 并且, 与该磁传感器 24对向而设置 有支承辊 25。 而且, 由输送部 14输送的纸币在磁传感器 24和支承辊 25之 间的间隙中通过。 在磁传感器 24的前端部分设置有磁头, 在纸币的图案的墨 具有磁性的情况下, 利用该磁头则可检测到该墨。 另外, 在支承辊 25的外圓 周面植设有尼龙等很多毛, 利用这些毛, 纸币被压入磁传感器 24的磁头。
另外, 如图 4所示, 在识别部 20的入口部分及出口部分, 分别设置有定 时传感器 26、 27。 通过用定时传感器 26检测纸币的前端部, 判断纸币进入 识别部 20, 另外, 通过用定时传感器 27检测纸币的后端部, 判断纸币从识 别部 20出来。
如上所述, 由识别部 20识别出的纸币被送入累积部 30, 累积在该累积 部 30。 累积部 30以从外部能够视觉确认的状态累积纸币。 另外, 在累积部 30设置有用于从该累积部 30取出纸币的开口。 另外, 如图 1等所示, 累积 部 30的数量为一个。而且,累积部 30按照由识别部 20识别的顺序累积纸币。
另外, 如图 3及图 4所示, 在累积部 30设置有一对叶轮 32, 该叶轮 32 以轴 32a为中心向图 3中的逆时针方向旋转。 另外, 在叶轮 32上设置有从其 外圓周面向与旋转方向相反的方向 (图 3 中的顺时针方向) 的外方延伸的多 个叶片 32b。如图 3所示,这些叶片 32b在叶轮 32的外圓周面上等间隔设置。 在纸币计数器 10进行动作时, 叶轮 32通过后述的驱动部 32c总是向图 3中 的逆时针方向旋转, 纸币从输送部 14一张一张地被送入该叶轮 32。 而且, 叶轮 32将从输送部 14送入的纸币挡在两个叶片 32b之间并将被挡在该叶片 32b之间的纸币送到累积部 30。 由此, 纸币从叶轮 32—张一张地被送入累积 部 30, 在该累积部 30, 多张纸币以整齐排列的状态累积。
如上所述, 在输送部 14设置有串联配置的多个输送通道 14a、 14b、 14c、 14d, 纸币按输送通道 14a、 14b、 14c、 14d的顺序被输送。 在此, 第一输送 通道 14a配置于纸币的输送方向上的磁传感器 24及支 7 辊 25的上游侧。 另 夕卜, 第二输送通道 14b配置于纸币的输送方向上的磁传感器 24及支承辊 25 的下游侧且一对线传感器 21、 22的上游侧。 另外, 第三输送通道 14c配置于 一对线传感器 21、 22之间。 另外, 第四输送通道 14d配置于纸币的输送方向 上的一对线传感器 21、 22的下游侧。
在本实施方式的纸币计数器 10中,第一输送通道 14a的高度及第四输送 通道 14d的高度分别为 3mm, 相对于此, 第二输送通道 14b的高度及第三输 送通道 14c的高度分别为 2mm。 这样, 由于第二输送通道 14b的高度比第一 输送通道 14a的高度小, 这种第二输送通道 14b作为 "高度比处于更靠上游 侧的输送通道的高度(即, 第一输送通道 14a的高度)狭窄的狭小部" 发挥 作用。
另外, 在本实施方式中, 作为狭小部发挥作用的第二输送通道 14b的高 度与处于一对线传感器 21、 22之间的第三输送通道 14c的高度大致相同。 这 样, 狭小部的高度与一对线传感器 21、 22的对向面的距离大致相同。 另外, 本实施方式的纸币计数器 10不限定于这种方式。 狭小部的高度(即, 第二输 送通道 14b的高度)也可以比一对线传感器 21、 22的对向面的距离即第三输 送通道 14c的高度小。 另外, 狭小部的高度(即, 第二输送通道 14b的高度) 也可以与除一对线传感器 21、 22之外的识别部 20的构成要素中的纸币通过 的空间的高度几乎相同或者比其窄小。
另外, 在纸币的输送方向处于一对线传感器 21、 22的下游侧的第四输送 通道 14d的高度, 比狭小部的高度(即, 第二输送通道 14b的高度) 大。 具 体而言, 如上所述, 第二输送通道 14b的高度为 2mrn, 相对于此在纸币的输 送方向处于一对线传感器 21、22的下游侧的第四输送通道 14d的高度为 3mm。 另外, 本实施方式的纸币计数器 10不限定于这种方式。 另外, 如上所述, 识别部 20具有支承辊 25和与该支承辊 25对向设置的 磁传感器 24, 在识别部 20中, 纸币在支承辊 25和磁传感器 24之间通过。 在此, 也可以在纸币的输送方向上的磁传感器 24及支 7 辊 25的上游侧设置 有与第二输送通道 14b同样的狭小部。 在该情况下, 理想的是, 设置于纸币 的输送方向上的磁传感器 24及支承辊 25的上游侧的狭小部的高度, 与识别 部 20中的支承辊 25和磁传感器 24之间的空间的高度相同或者比其窄小。
另外, 如图 3所示, 在本实施方式的纸币计数器 10中, 输送部 14的输 送通道 14a、 14b、 14c、 14d在纸币计数器 10的机体内大致以直线状延伸。 另外, 本实施方式的纸币计数器 10不限定于这种方式。 作为变形例, 为了防 止误投入到投入部 12的硬币到达一对线传感器 21、 22, 处于狭小部的上游 侧的输送部 14的输送通道即第一输送通道 14a也可以弯曲。 另外, 作为其它 的变形例, 也可以是狭小部即第二输送通道 14b的高度沿纸币的输送方向逐 渐变窄。 另外, 也可以使第一输送通道 14a的高度沿纸币的输送方向逐渐缩 窄, 在第一输送通道 14a的出口的高度与狭小部即第二输送通道 14b的高度 相同。
另夕卜, 如图 3及图 4所示, 在投入部 12设置有用于检测在该投入部 12 是否累积有纸币的检测传感器 40。 检测传感器 40由具有发光元件及受光元 件的反射传感器构成, 在投入部 12累积有纸币的情况下, 从反射传感器的发 光元件发出的光由累积在投入部 12 的纸币反射并被该反射传感器的受光元 件接受。 由此, 利用检测传感器 40来检测在投入部 12是否累积有纸币。
另外, 如图 3及图 4所示, 在累积部 30设置有用于检测在该累积部 30 是否累积有纸币的一对检测传感器 42、 44。 在一对检测传感器 42、 44 中的 一个检测传感器上设置有发光元件,在另一个检测传感器上设置有受光元件。 而且, 在累积部 30未累积纸币的情况下, 从一个检测传感器(例如, 检测传 感器 42 ) 的发光元件发出的光被另一个检测传感器(例如, 检测传感器 44 ) 的受光元件接受, 在累积部 30累积有纸币的情况下, 从一个检测传感器(例 如, 检测传感器 42 ) 的发光元件发出的光被累积于累积部 30的纸币遮断而 不会被另一检测传感器(例如, 检测传感器 44 ) 的受光元件接受。 由此, 利 用一对检测传感器 42、 44来检测在累积部 30是否累积有纸币。
另外, 在图 1等所示的纸币计数器 10中, 设置有进行该纸币计数器 10 的各构成要素的控制的控制部 50。 图 5表示这种纸币计数器 10的功能块图。 如图 5所示, 在控制部 50分别连接有设置于投入部 12的转出机构 13、 输送 部 14、识别部 20、叶轮 32的驱动部 32c、设置于投入部 12的检测传感器 40、 设置于累积部 30的一对检测传感器 42、 44。 而且, 由识别部 20获得的纸币 的识别信息及由各检测传感器 40、 42、 44获得的纸币的检测信息被送入控制 部 50。 另外, 控制部 50向纸币计数器 10的各构成要素, 具体而言例如转出 机构 13、 输送部 14、 叶轮 32的驱动部 32c等发送指令信号, 对这些构成要 素的动作进行控制。
另外, 如图 1所示, 在纸币计数器 10的壳体 11的前面设置有操作部 58 及显示部 62。 操作部 58具有多个操作键, 操作者能够通过按下这些操作键 向纸币计数器 10的控制部 50提供各种指令。 另外, 在显示部 62显示有纸币 计数器 10的纸币的计数结果等各种信息。
另外, 如图 5所示, 在控制部 50连接有存储部 56, 在该存储部 56存储 有纸币计数器 10的纸币的计数结果等各种信息。 另外, 在控制部 50分别连 接有图像数据获得部 52及字符识别部 54。 图像数据获得部 52基于由识别部 20 中的一对线传感器 21、 22获得的与纸币的表面相关的信息, 获得该纸币 的至少包含记录编号(冠字号)的图像数据。 另外, 字符识别部 54基于由图 像数据获得部 52获得的纸币的表面的图像数据, 对记录编号的字符(例如, 10位左右的数字)进行识别。 作为字符识别部 54, 例如通过 OCR ( Optical Character Recognition, 光字符识别) 方式进行识别处理。
另外, 如图 5所示, 控制部 50连接有输出部 60。 输出部 60进行各种信 息的输出。 具体而言, 输出部 60具有显示部 62、 通信部 66及写入部 70。 在 此, 通信部 66将各种信息发送给外部的装置。 具体而言, 通信部 66具有插 入连接导线的连接端子 68。 另外, 写入部 70将各种信息写入存储介质。
接着, 使用图 2对纸币计数器 10的壳体 11的侧面的构成进行说明。 如 上所述,图 2是从右方看图 1所示的纸币计数器 10时的侧面图。如图 2所示, 在纸币计数器 10的壳体 11的侧面, 设置有开关 80、 电源线的插入口 81及 保险丝 82。 利用开关 80能够对纸币计数器 10的动作进行 ON/OFF切换。 另 夕卜, 通过将电源线插入插入口 81 , 能够从外部向纸币计数器 10供给电力。 另外, 在本实施方式的纸币计数器 10中设置有两个保险丝 82。
另外, 如图 2所示, 在纸币计数器 10的壳体 11的侧面, 设置有两个串 行接口 68a、 68b。 在这些串行接口 68a、 68b能够插入连接导线, 经由插入串 行接口 68a、 68b的连接导线, 能够将打印机等外部设备与纸币计数器 10连 接。 另外, 在纸币计数器 10的壳体 11的侧面, 设置有用于插入 SD卡的插 入口 70a及用于插入 USB的插入口 70b。 若向插入口 70a插入 SD卡, 则能 够向该 SD卡写入各种信息, 或从 SD卡读取各种信息。 由这种插入口 70a构 成用于将各种信息写入存储介质的写入部 70。另外,通过将 USB插入到插入 口 70b, 能够将个人电脑等外部装置与纸币计数器 10连接。 由串行接口 68a、 68b及插入口 70b构成通信部 66的连接端子 68。
另外, 接着, 参照图 6至图 10说明在本实施方式的纸币计数器中采用的 纸币输送装置 110的细节。 图 6是本实施方式的纸币输送装置 110的立体图, 图 7是图 6的纸币输送装置 110的正面图, 图 8是图 6的纸币输送装置 110 的侧面图, 图 9是表示图 6的纸币输送装置 110的调整螺釘抵接用基础部件、 调整螺釘、 门臂的一部分的侧面图, 图 10是表示图 6的纸币输送装置 110的 调整螺釘抵接用基础部件的背面图。
如图 6至图 8所示, 本实施方式的纸币计数器具有的纸币输送装置 110 一张一张输送纸张, 且具备设置为相互对置且将相互之间形成的间隙 G作为 纸张的输送通道的送纸辊 111以及门辊 112。 门辊 112左右各设置了 2个,且 被门辊轴 114支撑, 送纸辊 111左右各设置了 3个, 且被送纸辊轴 113支撑。
如图 6至图 8所示, 门臂 122的一侧支撑用于可旋转地支撑门辊轴 114 的轴承 116, 而门臂 122的另一侧固定在门臂轴 121上。 门臂轴 121可轴旋 转地保持在例如框体侧面。 因此, 随着门臂轴 121的旋转, 门臂 122和门辊 轴 114成为一体而绕着门臂轴的轴线转动。 由此, 通过门臂 122绕着门臂轴 121而转动, 能够使门辊轴 114相对送纸辊轴 113接近或远离。
并且, 如图 6至图 10所示, 设置有调整机构 130, 该调整机构 130通过 旋转门臂轴 121来调整门臂 122的转动位置, 调整门辊轴 114相对于送纸辊 轴 113的位置, 从而调整送纸辊 111和门辊 112之间的间隙 G。 该调整机构 130由调整螺釘抵接用基础部件 131和调整螺釘 132构成。 调整螺釘抵接用 基础部件 131相对框体(未图示) 固定。 调整螺釘 132与在辅助门臂 122s中 设置的螺釘孔 122t螺合, 且与调整螺釘抵接用基础部件 131抵接。 辅助门臂 122s固定在门臂轴 121上, 且随着门臂轴 121的旋转, 与门臂 122—体地绕 着门臂轴 121转动。 由此, 通过手动调整调整螺釘 132与螺纹孔 122t的螺合 位置, 能够调整相对调整螺釘抵接用基础部件 131的门臂 122的相对位置。 通过如上的结构, 通过手动调整调整螺釘 132相对于螺纹孔 122t的螺合 位置来调整门辊轴 114相对于送纸辊轴 113的位置,从而能够调整送纸辊 111 与门辊 112之间的间隙 G。 由此, 能够吸收在部件组装完成时等的各种尺寸 的偏差的影响。
这里, 在左右各 3个送纸辊 111的各表面 (外周面), 作为依赖环境温度 而膨胀或收缩的送纸辊用树脂, 以 16mm的厚度设置了聚酰胺树脂。 作为采 用的聚酰胺树脂, 优选该树脂的线膨胀系数的平均值为 0.000045的树脂。
另一方面, 在左右各 2个门辊 112的各表面(外周面), 作为依赖环境温 度而膨胀或收缩的门辊用树脂, 以 10mm的厚度设置了聚氨酯树脂。 作为采 用的聚氨酯树脂, 优选该树脂的线膨胀系数的平均值为 0.00022的树脂。
因此, 在本实施方式中, 对于 +1。的温度变化, 送纸辊用树脂的膨胀量为 0.000045x16=0.00072 ( mm ) , 门辊用树脂的膨胀量为 0.00022x10=0.0022 ( mm ), 所以合计的膨胀量(间隙的减少量)成为 0.00292 ( mm )。 期望使门 辊轴 114退避(远离送纸辊轴 113 )该膨胀量。
并且, 在本实施方式中, 若门臂轴 121至门辊轴 114的距离成为 35mm, 门臂轴 121至调整螺釘抵接用基础部件 131与调整螺釘 132的抵接部位的距 离成为 21mm。 因此, 根据杠杆原理, 调整螺釘抵接用基础部件 131对于 +1。 的温度变化, 最好膨胀 0.00292x21/35=0.001752 ( mm )。
相对于此, 在本实施方式中, 调整螺釘抵接用基础部件 131具有依赖环 境温度而膨胀的温度变化补偿用树脂部 131r, 使得减轻或补偿送纸辊用树脂 以及门辊用树脂的依赖环境温度的膨胀的影响。 具体而言, 线膨胀系数为 0.00035的聚氨酯树脂以 5mm的厚度设置。 由此, 温度变化补偿用树脂部对 于 +1。的温度变化, 能够实现 0.00035x5 ( mm ) =0.00175 ( mm ) 的膨胀。
另一方面, 在本实施方式中, 对于 -1。的温度变化, 送纸辊用树脂的收缩 量为 0.000045x16=0.00072 ( mm ), 门辊用树脂的收缩量为 0.00022x10=0.0022 ( mm ), 所以合计的收缩量(间隙的增大量)成为 0.00292 ( mm )。 期望使门 辊轴 114对送纸辊轴 113接近该膨胀量。
并且, 在本实施方式中, 若门臂轴 121至门辊轴 114的距离成为 35mm, 门臂轴 121至调整螺釘抵接用基础部件 131与调整螺釘 132的抵接部位的距 离成为 21mm。 因此, 根据杠杆原理, 调整螺釘抵接用基础部件 131对于 -1。 的温度变化, 最好收缩 0.00292x21/35=0.001752 ( mm )。 相对于此, 在本实施方式中, 调整螺釘抵接用基础部件 131具有依赖环 境温度而收缩的温度变化补偿用树脂部 131r, 使得减轻或补偿送纸辊用树脂 以及门辊用树脂的依赖环境温度的收缩的影响。 具体而言, 线膨胀系数为 0.00035的聚氨酯树脂以 5mm的厚度设置。 由此, 温度变化补偿用树脂部对 于 -1。的温度变化, 能够实现 0.00035x5 ( mm ) =0.00175 ( mm ) 的收缩。
将以上的关系一般化, 若将送纸辊用树脂的线膨胀系数设为 Cf、 将门辊 用树脂的线膨胀系数设为 Cg、 将温度变化补偿用树脂部 131r的线膨胀系数 设为 Cc、 将送纸辊用树脂的厚度设为 Tf、 将门辊用树脂的厚度设为 Tg、 将 门臂轴 121至门辊轴 114的距离设为 Lg、 将门臂轴 121至调整螺釘 4氐接用基 础部件 131与调整螺釘 132的抵接部位的距离设为 Ls, 则温度变化补偿用树 脂部 131r的厚度 Tc通过 ( Cf-Tf+Cg-Tg ) · ( Ls/Lg ) /Cc提供。
这里,门臂轴 121至门辊轴 114的距离 Lg最好比门臂轴 121至调整螺釘 抵接用基础部件 131与调整螺釘 132的抵接部位的距离 Ls长。 由此, 即使温 度变化补偿用树脂部 131r的膨胀或收缩的变化小,也能够大幅改变送纸辊 111 与门辊 112之间的间隙 G。 但是, 若相比于距离 Ls, 将距离 Lg设得过长, 则对温度变化补偿用树脂部 131r施加的负荷过大, 有时得不到期待的效果。 在本实施方式中,通过将距离 Lg与距离 Ls之比设为 5:3, 能够降低对温度变 化补偿用树脂部 131r施加的负荷,且能够将温度变化补偿用树脂部 131r的变 化扩展传递到间隙 G。
另外, 如图 9和图 10所示, 调整螺釘抵接用基础部件 131在与调整螺釘
132抵接的部位具有金属板部 131m。 这是因为, 若将调整螺釘抵接用基础部 件 131的整体由温度变化补偿用的树脂 131r构成, 则在与调整螺釘 132抵接 的部位较早产生损伤, 不好。
接着, 对由这种构成组成的纸币计数器 10的动作进行说明。 具体而言, 对纸币计数器 10的纸币的计数方法进行说明。 另外, 如下面所示的纸币计数 器 10的动作通过控制部 50对纸币计数器 10的各构成要素的控制来进行。
首先, 根据需要, 通过手动调整调整螺釘 132相对于螺纹孔 122t的螺合 位置来调整门辊轴 114相对于送纸辊轴 113的位置, 从而调整送纸辊 111与 门辊 112之间的间隙 G。 由此, 能够吸收在开始使用装置时的各种尺寸的偏 差的影响。
接着,操作者将要利用纸币计数器 10进行计数的纸币的捆以层叠状态放 置在投入部 12。 然后, 当操作者按下开始 /停止键即操作键 58a时, 以层叠状 态放置在投入部 12的纸币通过转出机构 13—张一张地被转出到壳体 11内。 然后, 由输送部 14一张一张地输送由转出机构 13转出到壳体 11内的纸币。 此时, 纸币按输送通道 14a、 14b、 14c、 14d的顺序被输送。 另外, 在由纸币 输送部 14进行输送的期间, 该纸币由识别部 20进行现金种类、 版别、 真假、 正损等的识别。 然后, 由识别部 20识别过的纸币通过输送部 14送入累积部 30, 在该累积部 30累积。
在本实施方式的纸币计数器 10中, 在判定为由识别部 20识别的纸币为 应拒绝的纸币时, 在该应拒绝的纸币累积到累积部 30的时刻, 停止转出机构 13、 输送部 14及叶轮 32的动作, 并且, 在显示部 62上显示在判定为应拒绝 的纸币的纸币 (下面称为 "拒绝纸币") 的一张前被识别部 20识别的纸币的 记录编号。更详细而言,在判定为由识别部 20识别的纸币为应拒绝的纸币时, 也可以使转出机构 13停止, 以便停止取入新的纸币。 或者, 在判定为由识别 部 20识别的纸币为应拒绝的纸币时, 也可以将应拒绝的纸币累积在累积部 30, 禁止新的纸币向累积部 30的累积。 或者, 在判定为由识别部 20识别的 纸币为应拒绝的纸币时, 将应拒绝的纸币累积在累积部 30, 之后使输送部 14 停止。 另外, 在累积部 30, 按照由识别部 20识别的顺序累积纸币, 判定为 拒绝纸币的纸币则会累积在累积纸币的最上层。
如上所述,通过使显示部 62显示在判定为拒绝纸币的纸币的一张前被识 别部 20识别出的纸币的记录编号, 能够容易地确定累积于累积部 30的多张 纸币中的拒绝纸币。 即, 能够将显示部 62所显示的记录编号的纸币的一张上 的纸币看做拒绝纸币。 特别是, 在因连锁或重送等输送异常, 两张以上的纸 币作为拒绝纸币被送到累积部 30时, 现有方法难以判断累积到累积部 30的 纸币中到哪里为止为拒绝纸币, 但在本实施方式的方法中, 能够容易地确定 拒绝纸币。 而且, 操作者在累积于累积部 30的纸币中去掉拒绝纸币, 将剩余 的纸币再次投入到投入部 12进行纸币的再计数。 或者, 操作者也可以通过操 作部 58手动输入与拒绝纸币相关的信息。
另外, 在本实施方式的纸币计数器 10中, 也可以在显示部 62上显示包 含在拒绝纸币的一张前被识别部 20识别出的纸币的记录编号的、比拒绝纸币 靠前被识别部 20识别出的规定数量的纸币的记录编号。 在该情况下, 能够更 容易地进行拒绝纸币的确定。 另外, 在本实施方式的纸币计数器 10中, 除在拒绝纸币的一张前被识别 部 20识别出的纸币的记录编号之外,也可以在显示部 62显示由识别部 20识 别出的正常的纸币的张数。 另夕卜, 拒绝纸币被识别部 20识别出时, 也可以在 显示部 62上显示拒绝纸币由识别部 20识别出的意思的信息(例如, "识别到 了非正常纸币的拒绝纸币, 所以请从累积部去除" 的消息)。
另外, 在本实施方式的纸币计数器 10中, 除在拒绝纸币的一张前被识别 部 20识别出的纸币的记录编号之外, 也可以在显示部 62上显示与由识别部 20识别的拒绝纸币的拒绝原因相关的信息。在此,作为拒绝纸币的拒绝原因, 例如可举出 "连锁" "重送" "斜行" "假币" "不能判别现金种类" 等。
另外, 在本实施方式的纸币计数器 10中, 在判定为由识别部 20识别出 的纸币是拒绝纸币时,在显示部 62上就会显示在拒绝纸币的一张前被识别部 20识别的纸币的记录编号, 但本实施方式的纸币计数器 10不限定于这种方 式。 在本实施方式的纸币计数器 10中, 在判定为由识别部 20识别的纸币为 拒绝纸币时, 也可以通过输出部 60输出在拒绝纸币的一张前被识别部 20识 别的纸币的记录编号。 具体而言, 也可以代替在显示部 62上显示在拒绝纸币 的一张前被识别部 20识别的纸币的记录编号, 或者除在显示部 62上显示之 外, 从通信部 66输出在拒绝纸币的一张前被识别部 20识别的纸币的记录编 号, 利用与纸币计数器 1连接的打印机来打印。
另夕卜,作为其它的例子,在判定为由识别部 20识别的纸币为拒绝纸币时, 在拒绝纸币的一张前被识别部 20识别的纸币的记录编号也可以通过写入部 70写入 SD卡等存储介质。
如上所述, 根据本实施方式的纸币计数器 10, 在比输送部 14的输送通 道中的识别部 20 (具体而言为一对线传感器 21、 22 )更靠上游侧的规定位置, 设置有高度比所述输送通道的入口部分的高度窄小的狭小部。 更具体而言, 配置于比纸币的输送方向上的一对线传感器 21、 22更靠上游侧的第二输送通 道 14b作为狭小部发挥作用,该第二输送通道 14b的高度比输送部 14的输送 通道中设置于该输送部 14的入口部分的第一输送通道 14a的高度窄小。更详 细而言, 第二输送通道 14b的高度例如为 2mm, 第一输送通道 14a的高度例 如为 3mm, 第二输送通道 14b的高度比第一输送通道 14a的高度小。 由此, 即使在硬币被误投入到投入部 12的情况下, 由于这种硬币停留在狭小部(第 二输送通道 14b ), 从而能够防止硬币到达识别部 20的线传感器 21、 22。 此外, 在本实施方式中, 对于 +1。的温度变化, 送纸辊用树脂的膨胀量为 0.000045x16=0.00072 ( mm), 门辊用树脂的膨胀量为 0.00022x10=0.0022 (mm), 所以对于 +1。的温度变化的合计的膨胀量 (间隙的减少量) 成为 0.00292 (mm)。 在 +1°的温度变化时, 期望使门辊轴 114 退避(远离送纸辊 轴 113)该膨胀量。
并且,在本实施方式中,由于门臂轴 121至门辊轴 114的距离成为 35mm, 门臂轴 121至调整螺釘抵接用基础部件 131与调整螺釘 132的抵接部位的距 离成为 21mm, 所以根据杠杆原理, 调整螺釘抵接用基础部件 131对于 +1。的 温度变化, 最好膨胀 0.00292x21/35=0.001752 (mm)。
相对于此, 在本实施方式中, 由于调整螺釘抵接用基础部件 131 的温度 变化补偿用树脂部 131r由线膨胀系数为 0.00035且厚度为 5mm的聚氨酯树脂 构成, 所以对于 +1。的温度变化, 能够自动地实现 0.00035x5 (mm) =0.00175 (mm) 的膨胀。
即, 根据本实施方式, 在环境温度变化时, 能够自动地减轻或补偿送纸 辊用树脂以及门辊用树脂的膨胀的影响。
此外, 在本实施方式中, 对于 -1。的温度变化, 送纸辊用树脂的收缩量为 0.000045x16=0.00072 ( mm), 门辊用树脂的收缩量为 0.00022x10=0.0022 ( mm ),所以对于 -1。的温度变化的合计的收缩量(间隙的增大量)成为 0.00292 (mm)。 在 -1°的温度变化时, 期望使门辊轴 114对送纸辊轴 113接近该收缩 量。
并且,在本实施方式中,由于门臂轴 121至门辊轴 114的距离成为 35mm, 门臂轴 121至调整螺釘抵接用基础部件 131与调整螺釘 132的抵接部位的距 离成为 21mm, 所以根据杠杆原理, 调整螺釘抵接用基础部件 131对于 -1。的 温度变化, 最好收缩 0.00292x21/35=0.001752 (mm)。
相对于此, 在本实施方式中, 由于调整螺釘抵接用基础部件 131 的温度 变化补偿用树脂部 131r由线膨胀系数为 0.00035且厚度为 5mm的聚氨酯树脂 构成, 所以对于 -1。的温度变化, 能够自动地实现 0.00035x5 (mm) =0.00175 (mm) 的收缩。
即, 根据本实施方式, 在环境温度变化时, 能够自动地减轻或补偿送纸 辊用树脂以及门辊用树脂的收缩的影响。
另外, 本发明的纸张计数器不限定于上述的方式, 能够施加各种变更。 更详细而言, 本发明的纸张计数器不限定于对纸币进行计数的纸币计数器。 作为本发明的纸张计数器, 也可以使用对现金支票或商品券等的、 纸币之外 的纸张进行计数的计数器。
另外, 本发明的纸张计数器不限定于设置有一个投入部及一个累积部。 作为本发明的纸张计数器的其他方式, 也可以设置有两个以上的投入部, 投 入到各投入部的纸张被转出到壳体的内部并由识别部来识别。 另外, 作为其 它的例子, 也可以设置有两个以上的累积部, 由识别部识别的纸张被分配给 各累积部。

Claims

权利要求书
1. 一种纸张输送装置, 其一张一张输送纸张, 其特征在于, 所述纸张输 送装置具备:
送纸辊以及门辊, 其设置为相互对置, 且将相互之间形成的间隙作为纸 张的输送通道;
门辊轴, 支撑所述门辊;
送纸辊轴, 支撑所述送纸辊;
门臂, 在一侧支撑用于可旋转地支撑所述门辊轴的轴承, 而在另一侧固 定在门臂轴上, 随着该门臂轴的转动而转动, 从而使所述门辊轴相对所述送 纸辊轴接近或远离; 以及
调整机构, 通过调整所述门臂的转动位置来调整所述门辊轴相对所述送 纸辊轴的位置, 从而调整所述送纸辊和所述门辊之间的间隙,
所述调整机构包括:
调整螺釘抵接用基础部件, 相对框体固定; 以及 置的螺釘孔螺合, 且与所述调整螺釘抵接用基础部件抵接, 通过调整与所述 螺釘孔的螺合位置来调整相对所述调整螺釘抵接用基础部件的所述门臂的相 对位置,
所述送纸辊的表面具有依赖环境温度而膨胀或收缩的送纸辊用树脂, 所述门辊的表面具有依赖环境温度而膨胀或收缩的门辊用树脂, 所述调整螺釘抵接用基础部件具有依赖环境温度而膨胀或收缩的温度变 化补偿用树脂部, 使得减轻或补偿所述送纸辊用树脂以及所述门辊用树脂的 依赖环境温度的膨胀或收缩的影响。
2. 如权利要求 1所述的纸张输送装置, 其特征在于,
所述调整螺釘抵接用基础部件在与所述调整螺釘抵接的部位具有金属板 部。
3. 如权利要求 1所述的纸张输送装置, 其特征在于,
所述门臂轴至所述门辊轴的距离比所述门臂轴至所述调整螺釘抵接用基 础部件与所述调整螺釘的抵接部位的距离长。
4. 如权利要求 1所述的纸张输送装置, 其特征在于, 所述门臂轴至所述门辊轴的距离和所述门臂轴至所述调整螺釘抵接用基 础部件与所述调整螺釘的抵接部位的距离之比为 5:3。
5. 如权利要求 1所述的纸张输送装置, 其特征在于,
所述送纸辊用树脂在平均值上具有 0.000040~0.000050的线膨胀系数, 所述门辊用树脂在平均值上具有 0.00017~0.00027的线膨胀系数, 所述温度变化补偿用树脂部在平均值上具有 0.00030~0.00040 的线膨胀 系数。
6. 如权利要求 5所述的纸张输送装置, 其特征在于,
所述送纸辊用树脂在平均值上具有 0.000045的线膨胀系数,
所述门辊用树脂在平均值上具有 0.00022的线膨胀系数,
所述温度变化补偿用树脂部在平均值上具有 0.00035的线膨胀系数。
7. 如权利要求 6所述的纸张输送装置, 其特征在于,
所述送纸辊用树脂在平均值上具有 16mm的厚度,
所述门辊用树脂在平均值上具有 10mm的厚度,
所述门臂轴至所述门辊轴的距离和所述门臂轴至所述调整螺釘抵接用基 础部件与所述调整螺釘的抵接部位的距离之比为 5:3 ,
所述温度变化补偿用树脂部在平均值上具有 5mm的厚度。
PCT/CN2013/079656 2013-07-19 2013-07-19 纸张输送装置 WO2014079225A2 (zh)

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JP2015020909A (ja) 2015-02-02

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