JP6520067B2 - Paper sheet identification device - Google Patents

Description

  The present invention relates to a sheet identification apparatus.

  Conventionally, for example, in a sheet identifying apparatus applied to a vending machine or the like, when a bill (sheet) inserted from the insertion slot of the vending machine main body is inserted from the insertion slot, the transport roller is axially rotated. The conveyance path is conveyed by rotating the sheet, etc., and the genuineness is identified by the identification means during the conveyance. And when it is identified as genuine, it is made to store in a storage after that. On the other hand, when the bill can not be identified as genuine, the bill is conveyed again to the insertion port, and is conveyed again from the insertion slot, whereby the bill is discharged from the insertion slot. (See, for example, Patent Document 1).

Patent No. 4556064 gazette

  By the way, although not specifically shown in Patent Document 1, the conveyance roller is rotated by the drive of the conveyance motor which is a drive source, and an output gear for outputting the drive of the conveyance motor, and the conveyance roller It is known that the driving force of the drive motor is transmitted to the transport roller by meshing with the transmission gear linked via the linkage member, and the transport roller is rotated. Therefore, in order to rotate the conveyance roller by driving the conveyance motor, it is preferable that the output gear and the transmission gear mesh well, and if the mesh between the output gear and the transmission gear is insufficient, it is referred to as so-called tooth skipping Phenomenon that the drive force of the transport motor is not sufficiently transmitted to the transport roller and the transport roller does not rotate as desired, resulting in the possibility that the paper sheet can not be transported satisfactorily. There is.

  SUMMARY OF THE INVENTION In view of the above-described circumstances, the present invention has an object to provide a sheet discrimination apparatus capable of reliably meshing an output gear and a transmission gear to make conveyance of a sheet by the conveyance unit favorable. I assume.

  In order to achieve the above object, the paper sheet discriminating apparatus according to the present invention is configured to convey the paper sheet inserted through the insertion port along the conveyance path through the conveyance means provided therein while the paper is conveyed through the identification means A sheet identifying apparatus for identifying a genuine leaf of a leaf and storing a sheet identified to be authentic by the identification means in a storage provided therein, the conveying means being a conveying means A transport roller disposed rotatably around its own axis in a manner facing the transport path, and gripping and conveying a part of the paper sheet with another component when it is rotated; A conveyance motor unit having a conveyance motor serving as a drive source of the roller, and a transmission gear provided in a mode of meshing with an output gear of the conveyance motor unit and rotating the conveyance roller by its own rotation , Said And a second pressing member for pressing the rotation shaft of the transmission gear so that the transmission gear approaches the output gear. It is characterized by

  Further, according to the present invention, in the above-described paper sheet identification apparatus, the transport motor unit is attached to the front surface of an identification unit main body constituting an identification unit including the identification means, and the transmission gear is attached to the back surface of the identification unit main body. The output gear and the transmission gear may be engaged with each other through an opening formed in the identification unit body.

  Further, according to the present invention, in the paper sheet discriminating apparatus, the first pressing member is constituted by a first protrusion formed to project from a guide frame constituting the insertion port, and the second pressing member is It is characterized by comprising the 2nd projection formed so that it might project on the case which incorporates the pusher mechanism which pushes out the paper sheets which pass the conveyance way to the storage.

  According to the present invention, the first pressing member presses the transport motor unit so that the output gear approaches the transmission gear, and the second pressing member presses the rotation shaft of the transmission gear such that the transmission gear approaches the output gear. Therefore, the transmission gear and the output gear can be meshed in a state of being pressed close to each other, whereby the output gear and the transmission gear can be reliably meshed to make the conveyance of the sheet good. The effect of being able to

FIG. 1 is a perspective view showing a sheet identifying apparatus according to an embodiment of the present invention as viewed obliquely from the left front. FIG. 2 is an explanatory view schematically showing a case where the internal structure of the sheet identifying apparatus shown in FIG. 1 is viewed from the left. FIG. 3 is a cross-sectional view taken along line AA in FIG. FIG. 4 is a perspective view showing how the guide frame is attached to the main body frame. FIG. 5 is a perspective view showing a state in which the guide unit is attached to the main body frame. FIG. 6 is a perspective view showing the identification unit shown in FIG. FIG. 7 is a perspective view showing the identification unit shown in FIG. FIG. 8 is a perspective view showing a state in which the transport unit is attached from the identification unit main body constituting the identification unit. FIG. 9 is a perspective view showing a state in which the transport motor unit is attached to the identification unit main body. FIG. 10 is a perspective view showing a state in which the identification unit is attached to the main body frame. FIG. 11 is an explanatory view schematically showing an enlarged main part of the identification unit main body. FIG. 12 is a perspective view showing a state in which the pusher unit is attached to the main body frame. FIG. 13 is a perspective view showing how the stacker unit is attached to the main body frame and the pusher unit.

  Hereinafter, preferred embodiments of a sheet identifying apparatus according to the present invention will be described in detail with reference to the attached drawings.

  FIG. 1 is a perspective view showing a sheet identifying apparatus according to an embodiment of the present invention as viewed obliquely from the left front, and FIG. 2 shows the internal structure of the sheet identifying apparatus shown in FIG. It is explanatory drawing which shows the case where it saw from the left side typically, and FIG. 3 is the sectional view on the AA line in FIG.

  The paper sheet recognition apparatus exemplified herein is used as, for example, a bill processing machine called a so-called bill validator of a vending machine, which is attached to the rear surface of a front door constituting the front surface of the vending machine. It is. This paper sheet recognition apparatus is intended for a bill as an example of a paper sheet, and includes a main body frame 10, a guide frame 20, a guide unit 30, a recognition unit 40, a pusher unit 50, and a stacker unit 60. It is configured.

  As shown in FIG. 4, the main body frame 10 is made of, for example, a resin material such as plastic or a metal material such as a steel plate, and has a rectangular shape in which the rear surface and the lower surface are open. A substantially rectangular main body opening 11 is formed in the lower part of the front surface of the main body frame 10, and the pusher motor unit 12 is detachably attached to the upper part of the front surface.

  The guide frame 20 is detachably attached to the front surface of the main body frame 10 in a manner to close the main body opening 11. An insertion port 21 is formed in the guide frame 20. The insertion slot 21 is provided at a position facing the insertion slot formed on the front door of the vending machine, and is for inserting a bill inserted through the insertion slot and inserting a bill fed out through itself. It is discharged through the mouth.

  As shown in FIG. 5, the guide unit 30 enters the guide frame 20 from the rear side through the main body opening 11 and is detachably attached to the guide frame 20. The guide unit 30 is configured to include a first conveyance path configuration unit 31 and an optical system unit 32.

  As shown also in FIG. 3, the first transport path configuration portion 31 is provided in such a manner that the upper passage configuration wall portion 311 and the lower passage configuration wall portion 312 face each other. Lower extending portions 313 extending downward are formed at the left and right end portions of the upper passage forming wall portion 311. Thus, the first transport path component 31 communicates with the insertion opening 21 by the inner wall surfaces of the upper channel component wall 311, the lower channel component wall 312, and the lower extension 313, and in the front-rear direction. A first conveyance path 31a extending along is formed.

  The lower passage forming wall portion 312 of such a first transport path forming portion 31 is provided so that the rear end portion can swing up and down centering on the first shaft portion 314 provided on the lower side of the front end side. By being biased upward by biasing means (not shown), the inner wall surface of the lower channel configuration wall portion 312 is in a posture facing the inner wall surface of the upper channel configuration wall portion 311.

  Two optical system units 32 are provided so as to be a left and right pair. Each of these optical system units 32 includes a first prism (first optical member) 321, a second prism (second optical member) 322, and a third prism (third optical member) 323.

  The first prism 321 has a substantially L-shaped configuration that extends downward after extending forward from the first incident surface 321 a facing the rear, and a part thereof is configured as the first conveyance path It enters into the hole 311a formed in the upper side passage constituting wall part 311 of the part 31, and the first emission surface 321b is provided to face the first conveyance path 31a.

  The first prism 321 refracts light incident from the first incident surface 321 a once while passing through the first light guide path 321 c formed in the first light incident surface 321 a to form the first light guide path from the first emission surface 321 b. It emits light that has passed through 321c.

  The second prism 322 extends downward from the second incident surface 322a and then extends rightward, and then extends upward thereafter in a substantially U-shape. The second entrance surface 322a faces the first exit surface 321b, and the second exit surface 322b faces the first conveyance path 31a. It enters into the hole part 312a formed in these, and is provided.

  The second prism 322 refracts light incident from the second incident surface 322a twice while passing through the second light guide path 322c formed inside the second prism 322, and transmits the light from the second light exit surface 322b to the second light guide path. The light which has passed through 322c is emitted.

  The third prism 323 is disposed on the right side of the first prism 321. The third prism 323 has a substantially L-shaped configuration that extends upward from the third incident surface 323 a and then extends rearward, and a portion of the third prism 323 is the first conveyance path component 31. It enters into the hole 311a formed in the upper passage forming wall 311 and faces the second exit surface 322b so as to face the first conveyance path 31a.

  The third prism 323 refracts light incident from the third incident surface 323 a once while passing through the third light guide path 323 c formed inside the third prism 323, and the third prism 323 faces the rear from the third emission surface 323 b. The light that has passed through the light guide path 323c is emitted.

  FIG. 6 is a perspective view showing the identification unit 40 shown in FIG. The identification unit 40 includes an identification unit main body 41. The identification unit main body 41 is made of, for example, a resin material such as plastic, and includes a first unit main body portion 41a and a second unit main body portion 41b.

  The first unit body 41a has a rectangular shape with a rear surface open. The second unit body 41b is connected to the first unit body 41a via a unit shaft 41c, and as shown in FIG. 7, can be pivoted about the axis of the unit shaft 41c. is there. The second unit body portion 41b is located behind the first unit body portion 41a in a locked state in which the locking piece 41b1 formed on the second unit body portion 41b is formed on the first unit body portion 41a and locked with the locking pin 41a1. It is possible to close the lower part.

  In the identification unit main body 41 having such a configuration, the insertion sensor substrate 42, the transport means 70 and the identification means 43 are provided.

  The insertion sensor substrate 42 is attached to the rear side of the front surface of the first unit body 41 a. While two light emitting elements 42 a and two light receiving elements 42 b are mounted on the insertion sensor substrate 42, an insertion sensor circuit (not shown) is mounted. The light emitting element 42a emits light and is disposed to face the front of the opening 41a2 formed on the front surface of the first unit main body 41a. The light receiving element 42b is for receiving light, and is disposed so as to face the front of the opening 41a3 formed on the front surface of the first unit main body 41a.

  The transport means 70 includes a transport unit 71 and a transport motor unit 77. As shown in FIG. 8, the transport unit 71 is detachably attached to the first unit main body 41a, and includes an inner passage-forming wall 72, a transport roller 74, and a transmission gear 75.

  When the second unit body 41b is engaged with the first unit body 41a, the inner passage construction wall 72 faces the outer passage construction wall 73 provided in the second unit body 41b. The second transport path 72a is thus configured. The second transport path 72a is in communication with the first transport path 31a, and is configured to be curved upward.

  A plurality of conveyance rollers 74 are provided, and are provided in such a manner as to be exposed to the second conveyance path 72 a from the inner passage configuration wall portion 72. The transport rollers 74 are disposed rotatably around their own central axes. The outer peripheral surface of the conveyance roller 74 is in contact with the guide unit 30, the second unit main body 41 b, and the tension roller 80 disposed in the pusher unit 50. Here, the tension roller 80 is biased toward the transport roller 74 corresponding to itself by biasing means (not shown).

  The transmission gear 75 is rotatable around the central axis of the transmission gear shaft 75a, and is linked to the transport roller 74 via a transmission (not shown). The transmission gear 75 rotates the transport roller 74 via the transmission unit when the transmission gear 75 is rotated. When the transport unit 71 is attached to the first unit main body 41a, the transmission gear 75 as described above is, as shown in FIG. 9, one's own through the gear opening 41a4 formed in the front surface of the first unit main body 41a. A part of the outer peripheral portion is arranged to project forward.

  The conveyance motor unit 77 includes a conveyance motor 78 and an output mechanism 79 inside the conveyance motor unit main body 77a. The conveyance motor 78 is a drive source of the conveyance motor 78 described above. The output mechanism 79 reduces the rotational speed obtained from the transport motor 78 and outputs it, for example, as a reduction mechanism.

  In such a transport motor unit 77, the locking piece 77a1 provided on the transport motor unit main body 77a is locked at the edge of the locking hole 41a5 provided on the front side of the front surface of the first unit main body 41a. It can be attached detachably by doing. When the transport motor unit 77 is attached to the first unit body 41 a, the output gear 76 (see FIG. 2) is in mesh with the transmission gear 75.

  In the identification means 43, one component 43a is attached to the transport unit 71, the other component 43b is attached to the second unit main body 41b, and the authenticity of a bill passing through the second transport path 72a is identified. It is a thing. Since this identification means 43 is conventionally known, its explanation will be omitted.

  As shown in FIG. 10, the identification unit 40 having the above configuration is detachably attached to the main body frame 10 from the rear side in a state where the second unit main body 41b is locked to the first unit main body 41a. It is

  Then, in the identification unit 40 attached to the main body frame 10, the light emitting element 42a of the insertion sensor substrate 42 faces the first incident surface 321a of the first prism 321 of the optical system unit 32, and the light receiving element 42b is the third. It faces the third emission surface 323 b of the prism 323.

  In the identification unit 40, as shown in FIG. 11, when the second unit body 41b is pivoted to be separated from the first unit body 41a in a state where the identification unit 40 is attached to the main body frame 10, The two-unit main body 41 b presses the rear end of the lower passage-forming wall 312 of the guide unit 30 downward. As a result, the lower passage forming wall portion 312 swings such that the rear end side is separated from the upper passage forming wall portion 311 against the urging force of the urging means.

  The pusher unit 50 incorporates the third conveyance path 50 a and the pusher mechanism 51. The third transport path 50a extends in the vertical direction. The pusher mechanism 51 is configured to push a bill passing through the third conveyance path 50 a rearward when it is driven.

  Such a pusher unit 50 is removably attached to the main body frame 10 from the rear side, as shown in FIG. More specifically, the pusher unit 50 is attached to the upper side of the identification unit 40 in a so-called snap fit manner.

  Thus, in the pusher unit 50 attached to the main body frame 10, the third conveyance path 50a is in communication with the second conveyance path 72a, and the tension roller 80 provided in itself is in contact with the outer peripheral surface of the conveyance roller 74. It becomes a state. Further, the pusher mechanism 51 is also electrically connected to the pusher motor unit 12 to be in a drivable state.

  The stacker unit 60 is provided with a storage 61 inside. Such a stacker unit 60 is detachably attached to the pusher unit 50 and the main body frame 10, as shown in FIG. Thus, the stacker unit 60 attached to the pusher unit 50 and the main body frame 10 is arranged such that the storage case 61 faces the third conveyance path 50a. Thus, the paper sheet identification apparatus shown in FIG. 1 is formed.

  In the sheet identifying apparatus having such a configuration, as shown in FIG. 2, the first conveyance path 31a, the second conveyance path 72a, and the third conveyance path 50a communicate with each other and are inserted through the insertion port 21. The conveyance path which is a path for conveying a bill is formed.

  Further, in the paper sheet discriminating apparatus, the first protrusion 91 and the second protrusion 92 are provided. The first projection 91 is provided so as to project rearward in a region that can face the transport motor unit 77 on the rear side of the front surface of the guide frame 20. The second projection 92 is provided so as to project forward in a region that can face the transmission gear shaft portion 75 a on the front surface of the pusher unit 50.

  Thereby, in the paper sheet discriminating apparatus, the transport motor unit 77 is pushed rearward by the first projection 91, and the transmission gear shaft 75a is pushed forward by the second projection 92. As a result, The transmission gear 75 and the output gear 76 mesh with each other while being pressed close to each other.

  In the paper sheet identification apparatus as described above, the conveyance unit 71 is driven by the conveyance motor 78 to output the output gear 76 by inserting the bill inserted through the insertion slot of the front door of the vending machine into the insertion slot 21. As a result of the driving force being transmitted to the transmission gear 75, the conveyance roller 74 is rotated via the transmission portion. As a result, a part of the bill inserted through the insertion slot 21 is nipped and transported by the transport roller 74 and the tension roller 80, and the denomination and authenticity of the bill are determined by the identification means 43. . When the bill is genuine and the denomination is determined by the identification means 43, the bill is conveyed to the downstream side of the conveyance path by the conveyance roller 74, and thereafter pushed by the pusher mechanism 51 into the storage case 61. The container 61 is stored in a stacked state.

  Then, in the above-described sheet identifying apparatus, the light emitted from the light emitting element 42a of the sensor substrate enters the first prism 321 from the first incident surface 321a and passes through the first light guide path 321c. The light passing through the first light guide path 321c is emitted from the first emission surface 321b, passes downward along the conveyance path (first conveyance path 31a), and enters the second prism 322 from the second incidence surface 322a. Do. The light that has entered the second prism 322 from the second incident surface 322a passes through the second light guide path 322c, is emitted from the second exit surface 322b, and passes upward the conveyance path (first conveyance path 31a) Then, the light enters the third prism 323 from the third incident surface 323a. The light entering the third prism 323 from the third incident surface 323a passes through the third light guide path 323c, is emitted from the third emission surface 323b, and is received by the light receiving element 42b.

  That is, in the optical system unit 32, light is allowed to pass in the direction orthogonal to the bill conveyance direction in the first conveyance path 31a, and further refracted by the respective prisms 321 etc. The three light emitting surfaces 323b can be disposed in the same plane as each other.

  As described above, according to the sheet identifying apparatus according to the embodiment of the present invention, the first incident surface 321a on which the light from the light emitting element 42a is incident and the third emission on which the light is emitted to the light receiving element 42b The light emitting element 42 a and the light receiving element 42 b can be mounted on the common substrate 42 because both the surface 323 b and the surface 323 b can be disposed in the same plane. As a result, it is not necessary to facilitate a plurality of substrates for mounting the light emitting element and the substrates for mounting the light receiving element as in the prior art, and the downsizing of the installation space can be achieved, and the device configuration can be easily changed. You can Therefore, the overall size of the device can be reduced, and the degree of freedom of the device configuration can be improved.

  According to the above-described paper sheet discriminating apparatus, the transmission gear 75 and the output gear 76 can be engaged with each other in such a manner that the transmission gear 75 and the output gear 76 come close to each other by the first projection 91 and the second projection 92. 76 and the transmission gear 75 can be reliably meshed to improve the conveyance of the bill.

  According to the above sheet identification apparatus, the guide frame 20, the guide unit 30, the identification unit 40, the pusher unit 50, and the stacker unit 60 are detachably attached to the main body frame 10, and the insertion sensor substrate constituting the identification unit 40 Since the transport means 70 and the identification means 43 are detachably attached to the identification unit main body 41, it is possible to easily disassemble each unit. Therefore, when a component deteriorated due to wear or the like is produced, the unit having the component can be detached and replaced with a new unit, and maintenance work can be facilitated.

  According to the above-described paper sheet identification apparatus, when the second unit main body 41b constituting the identification unit 40 swings to be separated from the first unit main body 41a, the rear end of the lower passage component wall 312 Since the rear end side can be pivoted to be separated from the upper passage constituting wall portion 311 against the urging force of the urging means by pressing the portion downward, the first passage constituting wall portion 312 can be moved against the urging force of the urging means. Entry of a finger or the like into the transport path 31a is enabled, whereby the cleaning operation and the like of the first transport path 31a can be easily performed.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to this, and various modifications can be made.

  In the embodiment described above, the first prism 321 and the third prism 323 constituting the optical system unit 32 refract the incident light once, and the second prism 322 refracts the incident light twice. However, in the present invention, the number of times of refraction of each optical member is not limited to this, and in the state where the incident surface on which light from the light emitting element is incident and the emitting surface emitted to the light receiving element face the same plane. The number of refractions is not particularly limited as long as it can be arranged.

DESCRIPTION OF SYMBOLS 10 main body frame 20 guide frame 21 insertion port 30 guide unit 31 1st conveyance path structure part 31a 1st conveyance path 311 upper side passage structure wall part 312 lower side passage structure wall part 32 optical system unit 321 1st prism (1st optical member )
321a first incident surface 321b first output surface 321c first light guide path 322 second prism (second optical member)
322a second incident surface 322b second exit surface 322c second light guide path 323 third prism (third optical member)
323a third incident surface 323b third emission surface 323c third light guide path 40 identification unit 41 identification unit main body 41a first unit main body 41a4 gear opening 41b second unit main body 42 insertion sensor substrate 42a light emitting element 42b light receiving element 43 identification means DESCRIPTION OF SYMBOLS 50 pusher unit 50a 3rd conveyance way 51 Pusher mechanism 60 stacker unit 61 storage 70 conveyance means 71 conveyance unit 72 inner side passage structure wall part 72a 2nd conveyance path 73 outer side passage structure wall part 74 conveyance roller 75 transmission gear 75a transmission gear shaft Part 76 Output gear 77 Conveying motor unit 77a Conveying motor unit main body 78 Conveying motor 79 Output mechanism 80 Tension roller 91 1st projection (1st pressing member)
92 second projection (second pressing member)

Claims (2)

While the paper sheet inserted through the insertion slot is conveyed along the conveyance path through the conveyance means provided therein, the authenticity of the paper sheet is identified through the identification means, and the identification means is identified as genuine. A paper sheet identification apparatus that stores stored paper sheets in a storage box provided therein,
The transport means is
A transport roller disposed rotatably around its own axis in a manner facing the transport path, and gripping and transporting a part of the paper sheet with another component when rotating;
A transport motor unit having a transport motor as a drive source of the transport roller;
And a transmission gear which is provided in such a manner as to mesh with an output gear of the conveyance motor unit and which rotates the conveyance roller when the motor itself rotates.
A first pressing member that presses the transport motor unit so that the output gear approaches the transmission gear;
And a second pressing member for pressing a rotation shaft of the transmission gear so that the transmission gear approaches the output gear .
The first pressing member is constituted by a first protrusion formed to project from a guide frame constituting the insertion port,
The second pressing member is configured by a second protrusion formed to project to a housing incorporating a pusher mechanism that pushes the paper sheet passing through the conveyance path to the storage case. Paper sheet identification device. The transport motor unit is attached to the front surface of an identification unit body constituting an identification unit including the identification means, and the transmission gear is attached to the back surface of the identification unit body.
The paper sheet identification apparatus according to claim 1, wherein the output gear and the transmission gear mesh with each other through an opening formed in the identification unit body.

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