JP5331642B2 - Coin handling machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coin processor for stably detecting residual coins. <P>SOLUTION: A dispensing part 15 includes: a chamber 48 having a conveyance belt 40 and conveyance guides arranged at both end sides of the width direction of the conveyance belt 40; a driving part 63 configured to be displaced to the first displacement position and the second displacement position; and a detection part 111 configured to drop to a first operating position proximate to conveyance surfaces 35a, 35b, and 36a of the chamber 48 according to the displacement of the driving part 63 to the first displacement position for detecting the presence/absence of residual coins based on the presence/absence of the drop of the driving part to the first operating position, and for restoring the movement to the second operating position according to the displacement of the driving part to the second displacement position. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a coin processor, and more particularly to a technique for detecting the presence or absence of residual coins in a dispensing unit.

  Conventionally, a conveyor belt has been adopted as a conveyor means for conveying coins in a coin processor, but as a means for detecting the presence or absence of residual coins on such a conveyor belt, for example, a conveyor guide for guiding the conveyor belt Along with this, there is a technique of providing a metal detection sensor that detects the magnetic property of the metal material constituting the coin (see, for example, Patent Document 1).

Utility Model Registration No. 2528094

  However, even if the metal detection sensor is provided along the conveyance guide that guides the conveyance belt as described above, the detection of the magnetic property is not stable depending on the posture of the residual coin, and the residual coin may not be detected. The detection performance was not sufficient.

  This invention is made | formed in view of such a point, and it aims at providing the coin processing machine which can detect a residual coin stably.

  In order to achieve the above object, the invention according to claim 1 is a depositing unit into which a coin is inserted, an identification unit for identifying a coin inserted into the depositing unit, and a coin temporarily identified by the identification unit. In the coin processor having a temporary storage unit, a storage unit that stores coins temporarily stored in the temporary storage unit, and a withdrawal unit that withdraws coins stored in the storage unit, the withdrawal unit Comprises a chamber composed of a transport belt for transporting coins and transport guides disposed on both edges in the width direction of the transport belt, and is capable of being displaced between a first displacement position and a second displacement position. And the movement of the drive unit to the first displacement position is configured to be movable to a first operation position close to a conveyance surface that conveys coins in the chamber. The presence or absence of residual coins is detected and the second displacement of the drive unit It is characterized by having a detection portion that moves back to the second operating position away from the conveying surface by the displacement of the location.

  According to a second aspect of the present invention, in the first aspect of the invention, the driving unit is capable of dividing a driving force to the detection unit when displaced to the first displacement position, and the detection unit is caused by its own weight. The detection unit is lowered and forcibly raised against the weight of the detection unit and moved to the second operation position when moving to the second displacement position.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the drive unit moves the detection unit and the second operation position while maintaining a parallel state by a four-bar linkage mechanism. It is characterized in that it is supported so as to be movable between the operating positions.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the detection unit is configured such that a facing surface that faces the transport surface has a shape that follows the transport surface. It is a feature.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the conveyor belt is provided with a protrusion, and the detection unit is in the first operating position. A recess for escaping the protrusion is formed on an opposing surface that faces the transport surface.

  According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, the detection unit is moved to the first operating position when the driving unit is displaced to the first displacement position. When the presence of residual coins is detected without movement, the detection unit is moved back to the second operating position by the displacement of the drive unit to the second displacement position, and the conveyor belt is driven to remove residual coins. It is characterized by sending out.

  The invention according to claim 7 is the invention according to any one of claims 1 to 6, characterized in that the withdrawal portion is provided in a denomination so as to withdraw coins in denomination. Yes.

  The invention according to claim 8 is the invention according to claim 7, wherein the detection unit is provided in a denomination so as to correspond to the withdrawal unit of the denomination, and the detection unit of these denominations is integrated. It is provided and constitutes one detection body, and the detection body is driven by the one drive unit, so that all the detection units of the denominations are moved to the first operation position and the second operation position. It is characterized by being moved between.

  According to the coin processing machine according to claim 1, the detection unit is configured to be movable to the first operation position close to the conveyance surface of the chamber by the displacement of the drive unit to the first displacement position. When the coin is displaced to the first displacement position, if there is a residual coin on the transport surface of the chamber, the detection unit cannot be moved to the first operating position because of the residual coin, and the transport of the chamber If there is no residual coin on the surface, it will not be disturbed by the residual coin, and the detection unit will move to the first operating position. And a detection part will detect the presence or absence of a residual coin by the presence or absence of the movement to a 1st operation position. As described above, since the residual coin itself mechanically obstructs the movement of the detection unit to detect the residual, the residual coin can be detected more stably than the detection based on the magnetic property.

  According to the coin processing machine of the second aspect, when the driving unit is displaced to the first displacement position, the driving force to the detecting unit can be divided and the detecting unit is lowered by its own weight. When the detection unit stops in contact, the driving force applied to the detection unit is divided to reach the first displacement position. Therefore, when the residual coin is detected, an excessive load is not generated on the drive unit, and the life of the drive unit can be improved.

  According to the coin processing machine of the third aspect, since the drive unit moves the detection unit while maintaining a parallel state by the four-bar linkage mechanism, the detection unit is moved with respect to the conveyance surface of the chamber with a simple configuration and operation. They can be close in parallel.

  According to the coin processing machine of the fourth aspect, since the detection unit has a shape in which the facing surface facing the conveyance surface of the chamber follows the conveyance surface of the chamber, the detection unit is further layered on the conveyance surface of the chamber. You can get closer. Therefore, it becomes possible to reliably detect residual coins on the transfer surface of the chamber.

  According to the coin processing machine of the fifth aspect, when the detection unit is in the first operating position, it is possible to escape from the protrusion provided on the conveyance belt by the concave portion. You can get closer. Therefore, it becomes possible to reliably detect residual coins on the transfer surface of the chamber.

  According to the coin processing machine of the sixth aspect, when the presence of the remaining coins is detected without the movement of the detection unit to the first operation position accompanying the displacement of the drive unit to the first displacement position, In order to move the detection unit back to the second operating position by the displacement to the displacement position 2 and drive the conveyance belt, the residual coin whose posture or position is changed by the contact with the detection unit is sent out by driving the conveyance belt. can do.

  According to the coin processing machine of the seventh aspect, since the withdrawal unit is provided in the denomination so as to withdraw the coins by denomination, the remaining coins can be stably supplied to the denomination withdrawal unit of the denomination. Can be detected.

  According to the coin processing machine of the eighth aspect, the one detection body integrally including the detection unit provided for each denomination corresponding to each of the denomination units of the denomination is driven by the one driving unit. Therefore, even if it has a withdrawal part of a denomination, whether or not all of the denomination parts of the denomination have residual coins, or at least one of them has residual coins, while suppressing an increase in cost Can be detected stably.

It is a side view which shows the whole structure of the coin processing machine which concerns on one Embodiment of this invention, Comprising: A residual coin detection mechanism is remove | excluded. It is a front sectional view showing a residual coin detection mechanism of a coin processor according to an embodiment of the present invention. It is a side view which shows the residual coin detection mechanism of the coin processing machine which concerns on one Embodiment of this invention. It is a front sectional view showing a residual coin detection mechanism of a coin processor according to an embodiment of the present invention. It is a side view which shows the residual coin detection mechanism of the coin processing machine which concerns on one Embodiment of this invention. It is a front view which shows the modification of the residual coin detection mechanism of the coin processing machine which concerns on one Embodiment of this invention.

  A coin processor according to an embodiment of the present invention will be described below with reference to the drawings.

First, the whole structure of the coin processing machine which concerns on this embodiment is demonstrated.
The coin processing machine according to the present embodiment is a coin depositing / dispensing machine that deposits / withdraws coins, and a transaction port (payment unit) 1 for transferring coins to / from an operator is provided at the upper part of the machine body. Is provided. The transaction port 1 is closed by a shutter 1a that can be opened and closed. The transaction port 1 is provided with an intake port 2 for taking in the coins inserted into the machine and a receiving port 3 for receiving the withdrawal coins sent out from the machine. Is provided with a deposit gate 4 that can be opened and closed.

  In addition, a deposit conveyance path 5 that conveys coins that fall due to the opening of the deposit gate 4 is provided below the intake port 2. The deposit conveyance path 5 is fed from the right and left of FIG. 1 with the coins placed thereon, and has a roll 6a having a roll 6a for dispersing the coins one by one, and is sent out from the tip of the deposit conveyance belt 6. The chute 7 is provided with a sensor 7a for detecting the passage of coins and counting the number of coins. A first coin supply mechanism 8 is provided below the chute 7 to receive the received coins and send them one by one. The first coin supply mechanism 8 separates the coins conveyed from the transaction port 1 one by one and sends them to the identification unit 10 with a predetermined interval. The first coin supply mechanism 8 has an exclusion mechanism 9 that excludes deformed coins.

  The identification unit 10 rolls the coins fed out from the first coin supply mechanism 8 along the identification path 11 in an inclined state, and identifies and counts the authenticity and denomination of the magnetic sensor, photo While performing by the identification part 12 using a sensor etc., the coin judged to be acceptable in the machine as a result of identification is sent out from the front-end | tip of the identification path 11 to the temporary storage part 13. FIG. In addition, a reject gate 14 is provided in the middle of the identification path 11 to drop the rolling coin. When the identification unit 12 determines that the coin is abnormal, the reject gate 14 removes the coin from the identification path 11. Exclude. Further, below the first coin supply mechanism 8 and the identification unit 10, the deformed coins excluded from the exclusion mechanism 9 of the first coin supply mechanism 8 and the reject coins dropped from the identification path 11 by the reject gate 14 are stored. An inclined reject chute 16 is provided to guide the lower withdrawal portion 15.

  On the other hand, the temporary storage unit 13 temporarily stores the coins that have been identified and accepted by the identification unit 12, and the inclined plate 18 on which the coins dropped from the tip of the identification path 11 are placed, and the inclined plate 18. And a discharge gate 20 which is rotatably provided above the lower end portion of the coin and can open and close a coin discharge port 19 between the inclined plate 18. Then, by rotating the discharge gate 20 as indicated by a two-dot chain line to open the discharge port 19, the coin on the inclined plate 18 is dropped along the inclination to the lower switching discharge mechanism 21. Yes.

  The switching and releasing mechanism 21 is a belt conveyor having a horizontal conveyance unit 22 and an inclined conveyance unit 23, and the coins fed from the temporary storage unit 13 in a stopped state are placed on the horizontal conveyance unit 22 and temporarily stored. By selectively switching the rotation direction to the normal rotation direction or the reverse rotation direction, the coin is conveyed to the right in FIG. 1 from the inclined conveyance unit 23 and sent to the second coin supply mechanism 24, or the horizontal conveyance unit 22 1 is conveyed to the left in FIG. 1 and sent to the dispensing portion 15 below. In addition, a return gate 26 is rotatably provided above the end of the horizontal transport unit 22, and the return gate 26 is rotated when coins are discharged from the switching / release mechanism 21 to the dispensing unit 15. When coins are allowed to pass and when coins are transferred from the temporary storage unit 13 to the switching release mechanism 21 in a stopped state, and when coins fed into the switching release mechanism 21 are transported to the second coin supply mechanism 24 The end of the horizontal conveyance unit 22 is closed by the return gate 26 so that the coins are prevented from dropping into the dispensing unit 15.

  The coins sent to the second coin supply mechanism 24 are separated one by one by the second coin supply mechanism 24 and sent to the horizontal deposit distribution path 28 with a predetermined interval. The deposit distribution path 28 detects a coin passing through the deposit distribution path 28 by a distribution identification mechanism 29 provided in the vicinity of the entrance while conveying the coin from right to left in FIG. The coin denominations of the coins are determined, and the denomination sorting gates 30A to 30F provided along the deposit distribution path 28 are selectively opened and closed, so that the denominations are respectively provided below the sorting gates 30A to 30F. The coins are dropped into respective denominations and stored in an accumulated state in coin storage cylinders (storage units) 31A to 31F provided in the storage. That is, the coin storage cylinders 31 </ b> A to 31 </ b> F store the coins temporarily stored in the temporary storage unit 13.

  A sorting gate 30G is provided at the front end in the transport direction of the deposit distribution path 28. By operating this sorting gate 30G, coins that could not be accumulated in the coin storage cylinders 31A to 31F are sent to the recycling box 32. It comes to send. Further, a coin collection box 33 is provided adjacent to the recycle box 32 in front of the deposit distribution path 28 in the conveying direction, and the coins that have moved without operating the respective sorting gates 30A to 30G are deposited. The coins are dropped and stored in the coin recovery box 33. The recycle box 32 is provided with a discharge belt 32a capable of discharging coins in the recycle box 32 to the dispensing unit 15 and its discharge port 32b.

  And in the lower part of each coin storage cylinder 31A-31F, a payout gate 34 for paying out coins stored in each coin storage cylinder 31A-31F one by one based on a withdrawal command is provided, Coins paid out from the payout gate 34 fall into one payout unit 15 shared by all denominations. The dispensing unit 15 includes a belt conveyor 39 having a horizontal conveyance unit 35 and an inclined conveyance unit 36, and coins dispensed from the dispensing gate 34 fall on the horizontal conveyance unit 35 of the belt conveyor 39, Via the inclined conveyance part 36, it is sent out to the discharge | payout conveyance path 37 which consists of a belt conveyor of the upper part of a body, and the payout conveyance path 38 which consists of a belt conveyor. The payout conveyance path 37 is provided with a sensor 37a for detecting the passage of coins. Then, the coins conveyed in the payout conveyance paths 37 and 38 are dropped into the transaction port 1 from the receiving port 3, and can be taken out of the machine by opening the shutter 1a. That is, the withdrawal unit 15 dispenses the coins stored in the coin storage cylinders 31 </ b> A to 31 </ b> F via the payout transport path 37 and the payout transport path 38.

  The dispensing unit 15 includes an endless dispensing / conveying belt 40, three pulleys 41a to 41c disposed inside the dispensing / conveying belt 40, and rollers 42a disposed at four positions outside the dispensing / conveying belt 40. ~ 42d. The dispensing conveyor belt 40 has a substantially L-shaped lower side portion with three pulleys 41a to 41c, and an upper side portion that is substantially horizontally disposed by pulleys 41a and 41c at both ends and an intermediate roller 42b. It is made into the substantially L shape which has the part 35 and the inclination conveyance part 36 inclinedly arranged. Further, a roller 42a is in contact with the horizontal conveyance unit 35, and an upper surface between the pulley 41c and the roller 42a is a conveyance surface 35a that is slightly lowered forward along the conveyance direction, and between the roller 42a and the roller 42b. The upper surface is a transport surface 35b that rises slightly forward along the transport direction. In addition, on the upper side of the horizontal conveyance unit 35 opposite to the inclined conveyance unit 36, an end plate 43 that regulates the falling of coins from the end of the horizontal conveyance unit 35 is orthogonal to the conveyance direction of the horizontal conveyance unit 35. Is erected. The withdrawal conveyance belt 40 conveys coins in a loaded state on the conveyance surface 35a and the conveyance surface 35b arranged substantially horizontally of the horizontal conveyance unit 35, and the inclined conveyance unit 36 continues to the conveyance surface 35b. Coins are transported in a loaded state on the transport surface 36a that is inclined.

  Further, as shown in FIG. 2, the dispensing unit 15 has a pair of side surface conveyance guides 45 that are erected adjacent to both edge sides in the width direction of the dispensing conveyance belt 40. The inner surface 45a of the pair of side surface conveyance guides 45, the conveyance surfaces 35a and 35b of the horizontal conveyance unit 35 of the dispensing conveyance belt 40 shown in FIG. 1, the lower portion of the conveyance surface 36a of the inclined conveyance unit 36, and the end plate 43 In the dispensing unit 15, a chamber 48 for storing coins is configured. In addition, in the center of the withdrawal conveyance belt 40 in the width direction, especially when the coins are conveyed by the inclined conveyance unit 36, the coins are locked, so that the conveyance surfaces 35a and 35b of the horizontal conveyance unit 35 and the conveyance of the inclined conveyance unit 36 are performed. A large number of protrusions 50 projecting upward on the surface 36a are formed at predetermined intervals in the transport direction. Further, on the inner surface 45a side of the pair of side surface conveyance guides 45 shown in FIG. 2, the space between the conveyance surface 35a and the conveyance surface 35b of the horizontal conveyance unit 35 of the dispensing conveyance belt 40 shown in FIG. Two rollers 42a as described above are provided as shown in FIG. 2, and similarly, the conveyance surface 35b of the horizontal conveyance unit 35 and the conveyance surface of the inclined conveyance unit 36 of the dispensing conveyance belt 40 shown in FIG. Two rollers 42b that are curved so as to be recessed downward are provided between the roller 36a and the rollers 42a, 42b so as to cover the rollers 42a, 42b on one side and the rollers 42a, 42b on the other side. Are provided with two guide bodies 51 shown in FIG. Accordingly, the inner surfaces 45a of the pair of side surface conveyance guides 45 are formed on the upper side of the pair of inner surfaces 45aa on the upper side and widely spaced from each other, and on the lower side of the pair of inner surface 45aa and formed on the upper portion of the guide body 51. A pair of inclined inner surfaces 45ab that become narrower toward the lower side, and a pair of narrow inner spaces 45ab formed on the lower side of the guide body 51 and the inner surfaces of the rollers 42a and 42b below the pair of inclined inner surfaces 45ab. The inner surface 45ac. As a result, the chamber 48 for storing coins also has a lower width that is narrower than the upper width.

  In this embodiment, the presence or absence of residual coins in the chamber 48 that are residual coins on the horizontal transport unit 35 of the withdrawal unit 15 is detected above the horizontal transport unit 35 of the withdrawal unit 15. A residual coin detection mechanism 61 shown in FIG. 5 is provided.

  As shown in FIG. 3, the residual coin detection mechanism 61 includes a frame 62, a drive unit 63, and a detection body 64.

  First, the drive unit 63 will be described. The drive unit 63 includes a motor 69 attached to the frame 62 in a state where the drive shaft 68 is disposed in a horizontal direction orthogonal to the coin transport direction X of the horizontal transport unit 35. The motor 69 can rotate forward and backward, and a gear 70 is fixed to the drive shaft 68 thereof.

  The drive unit 63 has a rotation shaft 73 that is rotatably supported by the frame 62 in a state parallel to the drive shaft 68 of the motor 69. A gear 74 that meshes with the gear 70 of the motor 69 is fixed to the rotation shaft 73 at an intermediate position, and a pair of cams 75 (only one of which is shown in FIGS. 3 and 5) are in phase with each other. It is fixed. Therefore, the rotating shaft 73 rotates forward and backward by the forward and reverse rotation of the motor 69, and the pair of cams 75 rotate forward and backward. The cam 75 is formed such that a large-diameter cam portion 76 having the largest outer diameter from the center of the rotating shaft 73 and a small-diameter cam portion 77 having the smallest outer diameter from the center of the rotating shaft 73 are 180 degrees out of phase. The intermediate portions on both sides, which are the outer diameter sides between the large-diameter cam portion 76 and the small-diameter cam portion 77, have a larger outer diameter from the center of the rotating shaft 73 toward the small-diameter cam portion 76 side. It is getting smaller.

  Although only one side is illustrated in FIGS. 3 and 5, a pair of first swing arms 80 are respectively disposed at positions adjacent to the cams 75 on both sides in the coin transport direction X. Via the frame 62 so as to be rotatable. Each first swing arm 80 has an L-shape having a support arm portion 82 extending from the swing shaft 81 to the opposite side of the cam 75 and a connecting arm portion 83 extending downward from the swing shaft 81. It has a shape. A cam follower 85 that can come into contact with the cam 75 is rotatably provided via a support shaft 86 parallel to the swing shaft 81 on the cam 75 side at the lower portion of each connecting arm portion 83. A connecting shaft 87 parallel to the swing shaft 81 is provided on the opposite side of the connecting arm portion 83 from the cam 75. In addition, a holding hole 89 that can hold the support shaft 88 in parallel with the swing shaft 81 is formed at the tip of each support arm portion 82 opposite to the swing shaft 81. Each of the swing shafts 81 is provided with a torsion spring 91. These torsion springs 91 contact each first swing arm 80 with the cam follower 85 in contact with the cam 75 (counterclockwise direction in FIG. 3). Energize to.

  Further, in the coin transport direction X, a pair of second swing arms 95 is also attached to the frame 62 via a swing shaft 96 parallel to the rotation shaft 73 on the side opposite to the cam 75 of each first swing arm 80. It is rotatably supported. Each second swing arm 95 has an L shape having a support arm portion 97 extending from the swing shaft 96 to the opposite side of the cam 75 and a connecting arm portion 98 extending downward from the swing shaft 96. It has a shape. A connection shaft 100 parallel to the swing shaft 96 is provided at the lower portion of each connection arm portion 98. In addition, a holding hole 102 that can hold the support shaft 101 in parallel to the swing shaft 96 is formed at the tip of each support arm portion 97 opposite to the swing shaft 96.

  A linear connecting arm 105 is rotatable at both ends of the connecting shaft 87 of the first swing arm 80 on the cam 75 side and the connecting shaft 100 of the second swing arm 95 on the opposite side of the cam 75. It is connected. Accordingly, the pair of first swing arms 80 swings around the swing shaft 81 and the pair of second swing arms 95 swings around the swing shaft 96 synchronously.

  In the drive unit 63 having the above-described configuration, the detection body 64 is mounted on the support shaft 88 held on each of the pair of first swing arms 80 and the support shaft 101 held on each of the pair of second swing arms 95. The upper end of the is rotatably supported.

  As a result, the rotation shaft 73 and the pair of cams 75 rotate integrally with the rotation of the motor 69, and the cam 75 comes into contact with the cam follower 85 in the large-diameter cam portion 76 as shown in FIG. When pressed away, the first swing arm 80 provided with the cam follower 85 swings so as to raise the tip of the support arm portion 82 about the swing shaft 81 in conjunction with the rotation of the cam 75. As a result, the connecting shaft 87 of the first swing arm 80 moves to the side opposite to the rotating shaft 73. Then, the connecting shaft 105 of the second swing arm 95 on the side opposite to the cam 75 moves the connecting shaft 100 to the side opposite to the rotation shaft 73. In association with the rotation, the support arm 97 swings around the swing shaft 96 so as to raise the tip. As a result, the first swing arm 80 on both sides raises the support shaft 88, and the second swing arm 95 on both sides raises the support shaft 101, all at the same speed. The body 64 rises while maintaining the horizontal state and is positioned at the upper limit position (second operation position) shown in FIGS. 2 and 3. The positions of the motor 69, the rotating shaft 73, and the cam 75 of the driving unit 63 at this time, that is, the position where the cam 75 contacts the cam follower 85 in the large-diameter cam unit 76 is defined as an upward displacement position (second displacement position).

  On the other hand, the rotating shaft 73 and the pair of cams 75 are integrally rotated by the rotation of the motor 69 from the ascending displacement position, and the cam 75 faces the cam follower 85 in the small diameter cam portion 77 as shown in FIG. Since the cam follower 85 can be moved in the direction approaching the rotation shaft 73 when it becomes, the detection body 64 is mainly subject to its own weight and accuracy in conjunction with the rotation of the cam 75 unless there is anything that obstructs its lowering. Therefore, the first swing arm 80 on both sides connected to the detection body 64 rotates around the swing shaft 81 and is supported by the self-weight and the biasing force of the torsion spring 91. While lowering the shaft 88, the second swing arms 95 on both sides similarly connected to the detector 64 rotate about the swing shaft 96 to lower the support shaft 101. The torsion spring 91 supplementarily presses the first swing arm 80 in the direction in which the detection body 64 is lowered. At this time, the first swing arm 80 on both sides lowers the respective support shafts 88 and the second swing arm 95 on both sides lowers the respective support shafts 101 at the same speed. Descent while maintaining level. The positions of the motor 69, the rotating shaft 73, and the cam 75 of the drive unit 63 at this time, that is, the position where the cam 75 faces the cam follower 85 in the small-diameter cam part 77 is defined as a downward displacement position (first displacement position). Further, when the detection body 64 descends without being obstructed and comes into contact with a lower limit stopper (not shown), the detection body 64 is positioned at the lower limit position (first operation position) shown in FIGS. It will be. At this time, the cam follower 85 approaches and opposes the small-diameter cam portion 77 of the cam 75 located at the lowering displacement position. A configuration in which a lower limit stopper (not shown) is not provided may be used.

  As described above, in the drive unit 63, the motor 69, the rotation shaft 73 and the cam 75 can be displaced between the upward displacement position and the downward displacement position, and the detector 64 moves to the downward displacement position of the drive unit 63. 5 is configured to be able to descend to a lower limit position close to the conveying surfaces 35a, 35b, 36a of the chamber 48 as shown in FIG. As shown, it moves back to the upper limit position, which is the upper standby position that is separated from the transfer surfaces 35a, 35b, 36a of the chamber 48. In addition, the first swing arm 80, the connecting arm 105 connected to the first swing arm 80, the second swing arm 95 connected to the first swing arm 95, and the detection body 64 constitute a four-bar linkage mechanism 108. The detector 64 is movably supported between the upper limit position shown in FIG. 2 and FIG. 3 and the lower limit position shown in FIG. 4 and FIG. become. Further, since the cam 75 can be brought into and out of contact with the cam follower 85, the drive unit 63 can divide the drive force to the detection body 64 when displaced to the displacement position when lowered, and the detection unit 64 can be separated. The detection body 64 is mainly lowered by its own weight, and when it is displaced to the displacement position when it is lowered, the detection body 64 is mainly lowered by its own weight, while the detection body 64 is mainly used when it is displaced to the upward displacement position that is the standby position. The detection body 64 is forcibly raised against its own weight and returned to the upper limit position which is the standby position of the detection body 64.

  The lower side of the detector 64 is a detector 111 that moves back and forth with respect to the chamber 48 to detect residual coins. As shown in FIG. 5, the detection unit 111 has a front lowering opposite lower surface 111 a that faces the conveyance surface 35 a of the horizontal conveyance unit 35 of the dispensing conveyance belt 40 in the horizontal direction, as shown in FIG. The gold conveying belt 40 has a front upward facing lower surface 111b that faces the conveying surface 35b of the horizontal conveying portion 35 of the gold conveying belt 40 in the horizontal direction. Further, in the detection unit 111, the end surface on the inclined conveyance unit 36 side is a front rising opposite end surface 111 c that can be opposed to the conveyance surface 36 a of the inclined conveyance unit 36, and the end surface on the end plate 43 side is the end plate 43. It is the opposing end surface 111d which can oppose. Further, the pair of side surfaces are opposed side surfaces 111e that can face the inner surfaces 45a of the pair of side surface conveyance guides 45 shown in FIG.

  The pair of opposing side surfaces 111e are also formed so that the width of the lower portion in the width direction is narrower than the width of the upper portion so as to follow the inner shape of the chamber 48 for storing coins. That is, the pair of opposing side surfaces 111e are on the upper side and a pair of side surfaces 111ea having a large distance between them, and the pair of inclined side surfaces 111eb on the lower side of the pair of side surfaces 111ea and the distance between the side surfaces 111ea is narrowed toward the lower side. It consists of a pair of side surfaces 111ec below the pair of inclined side surfaces 111eb and having a narrow interval between them. In addition, the opposed lower surfaces 111a and 111b and the opposed end surface 111c of the detection unit 111 protrude upward at the conveyance surfaces 35a and 35b of the horizontal conveyance unit 35 and are inclined at the conveyance surface 36a of the inclined conveyance unit 36 when they are at the lower limit position. The protrusion 50 protruding upward is escaped, in other words, a concave groove (concave part) 121 capable of accommodating the protrusion 50 inside is formed so as to extend along the coin conveyance direction.

  As shown in FIG. 4, when the detection body 64 is at the lower limit position, the opposed lower surface 111 a of the detection unit 111 is between the conveyance surface 35 a of the horizontal conveyance unit 35 of the dispensing conveyance belt 40 whose position overlaps in the horizontal direction. In addition, a non-contact proximity state is formed that forms a substantially constant gap smaller than the thickness of one coin of the denomination to be conveyed (the thickness of the thinnest coin among all the denominations to be handled is acceptable). Further, when the detection body 64 is at the lower limit position, the opposed lower surface 111b of the detection unit 111 is conveyed between the horizontal conveyance unit 35 and the conveyance surface 35b of the horizontal conveyance unit 35 of which the position overlaps in the horizontal direction. It becomes a non-contact proximity state that forms a substantially constant gap smaller than the thickness of one type of coin (the thickness of the thinnest coin among all denominations is acceptable). When the detection body 64 is at the lower limit position, the opposed end surface 111c of the detection unit 111 is between the conveyance surface 36a of the inclined conveyance unit 36 of the dispensing conveyance belt 40 whose position overlaps in the horizontal direction and the vertical direction. It becomes a non-contact proximity state that forms a substantially constant gap smaller than the thickness of one coin of the denomination to be conveyed (the thickness of the thinnest coin among all the denominations to be handled is also acceptable). Accordingly, the detection unit 111 has a shape in which the opposed lower surfaces 111a and 111b and the opposed end surface 111c facing the conveying surfaces 35a and 35b and the conveying surface 36a of the chamber 48 of the dispensing unit 15 follow the conveying surfaces 35a and 35b and the conveying surface 36a. I am doing. Here, in the case where the lower limit stopper (not shown) is not provided, when the detection unit 64 is at the lower limit position, the opposite lower surface 111a of the detection unit 111 is horizontally conveyed by the dispensing conveyance belt 40 whose positions overlap in the horizontal direction. It will contact | abut without forming a clearance gap between the conveyance surfaces 35a of the part 35, and the opposing lower surface 111b of the detection part 111 will convey the horizontal conveyance part 35 of the withdrawal conveyance belt 40 in which a position overlaps in a horizontal direction. The contact is made without forming a gap with the surface 35b. Similarly, when the detection body 64 is at the lower limit position, the opposed end surface 111c of the detection unit 111 is between the conveyance surface 36a of the inclined conveyance unit 36 of the dispensing conveyance belt 40 whose positions overlap in the horizontal direction and the vertical direction. The contact is made without forming a gap. In other words, the position where the opposed lower surfaces 111a and 111b and the opposed end surface 111c abut against the opposed conveying surfaces 35a and 35b and the conveying surface 36a is the lower limit position.

  In addition, when the detection body 64 is in the lower limit position, the opposing end surface 111d of the detection unit 111 is between the end plate 43 whose position overlaps in the left-right direction and the up-down direction, and the thickness of one coin of denomination to be conveyed. It becomes a non-contact proximity state that forms a substantially constant gap smaller than the thickness (the thickness of one thinnest coin among all denominations is acceptable). Further, when the detection body 64 is at the lower limit position, the pair of opposing side surfaces 111e of the detection unit 111 overlaps the inner surface 45a of each side surface conveyance guide 45 in the vertical direction and the coin conveyance direction as shown in FIG. Therefore, the thickness of one coin of the denomination to be transported (the thickness of the thinnest coin among all the denominations to be handled is acceptable between the inner surface 45a of each side surface transport guide 45 facing in this state. ), A non-contact proximity state that forms a substantially constant gap smaller than.

  A detection target (not shown) is fixed to the detection body 64, and a detection sensor (not shown) for detecting the detection target is provided on the frame 62. This detection sensor is, for example, an optical sensor that is shielded from light by the detected portion when the detection body 64 is at the lower limit position, and the detection body 64 and the detection portion 111 provided integrally therewith are other than the lower limit position. Is detected by translucency. That is, the detection sensor detects whether or not the detection body 64 and the detection unit 111 provided on the detection body 64 are at the lower limit position.

  Therefore, when there are residual coins on the transport surfaces 35a, 35b, 36a of the chamber 48 of the dispensing unit 15, the control unit (not shown) displaces the driving unit 63 to the lowering displacement position, and then at a predetermined timing. If the detection sensor 64 detects that the detection body 64, that is, the detection unit 111 is at the lower limit position, the detection body 64 including the detection unit 111 that is hindered from falling by the remaining coins does not move to the lower limit position. The detection sensor detects that the detection body 64 is not at the lower limit position, and thereby determines that there is a remaining coin. On the other hand, when there is no residual coin on the transport surfaces 35a, 35b, 36a of the chamber 48 of the dispensing unit 15, the control unit (not shown) displaces the driving unit 63 to the lowering displacement position, and then at a predetermined timing. If the detection sensor detects whether the detection body 64, that is, the detection unit 111 is in the lower limit position, the detection body 64 including the detection unit 111 is moved to the lower limit position without being hindered by the remaining coins. A detection sensor will detect that the detection body 64 exists in a lower limit position, and it determines with there being no residual coin by this.

  That is, the detection unit 111 of the detection body 64 is configured to be able to be lowered to the lower limit position close to the transport surfaces 35a, 35b, and 36a of the chamber 48 by the displacement of the drive unit 63 to the lowering displacement position, and to the lower limit position. The presence or absence of residual coins is detected by the presence or absence of.

  In such a coin processing machine, when an operation input for performing a deposit counting process is performed on an operation unit (not shown), a control unit (not shown) performs the following deposit process.

"Deposit processing"
When the controller opens the shutter 1a and detects that loose coins are inserted into the transaction slot 1, the controller closes the shutter 1a and positions the drive unit 63 of the residual coin detection mechanism 61 at the ascending displacement position, which is the standby position. In this state, the deposit gate 4 of the transaction port 1 is opened and the coin is dropped onto the deposit conveyance path 5. Then, coins are sent out to the chute 7 through the deposit conveyance path 5 and conveyed to the first coin supply mechanism 8 while being counted by the sensor 7a. Subsequently, the coins are separated from the first coin supply mechanism 8 one by one and sent to the identification unit 10, and the identification unit 10 performs discrimination and counting of authenticity and denomination. Coins that are identified as acceptable by the identification unit 10 are stored in the temporary storage unit 13, and those that are determined to be unacceptable are rejected by the reject gate 14 via the reject chute 16 and the belt conveyor 39 of the withdrawal unit 15. It is dropped down and returned to the transaction port 1 while the passage is detected by the sensor 37a by the horizontal conveying portion 35 and the inclined conveying portion 36 of the belt conveyor 39 and the payout conveying paths 37 and 38. In this way, when the identification counting process is performed and no coins are sent out from the first coin supply mechanism 8 and no coins are detected by the identification unit 10, a certain period of time elapses, the control unit The 1st coin supply mechanism 8 is made into a stop state, the count result of the money type of the coin identified as acceptable from the identification result of the identification part 24 is displayed on a display part not shown, and a money_receiving | payment process is complete | finished.

  When the operator sees this and inputs an approval operation to an operation unit (not shown), the control unit performs the following storage process.

"Storage"
The control unit operates the discharge gate 20 of the temporary storage unit 13 for a certain period of time to open the discharge port 19, and collects coins on the inclined plate 18 collectively onto the horizontal transport unit 22 of the switching discharge mechanism 21, The switching release mechanism 21 is driven in the forward rotation direction to feed coins into the second coin supply mechanism 24, and the second coin supply mechanism 24 stores the coins in the coin storage cylinders 31A to 31F and the like.

  When the operator inputs a return operation to an operation unit (not shown) by looking at the identification result of the identification unit 24 after the above-described deposit process, the control unit performs the following return process.

"Return processing"
The control unit operates the discharge gate 20 of the temporary storage unit 13 for a certain period of time to open the discharge port 19, and collects coins on the inclined plate 18 collectively onto the horizontal transport unit 22 of the switching discharge mechanism 21, The switching / discharging mechanism 21 is driven in the reverse direction to discharge coins onto the horizontal conveyance unit 35 of the belt conveyor 39 of the dispensing unit 15, and the horizontal conveyance unit 35 and the inclined conveyance unit 36 of the belt conveyor 39 and the payout conveyance path 37. , 38, the transaction is returned to the transaction port 1 while being detected by the sensor 37a. When a predetermined time elapses after the coin is no longer detected by the sensor 37a, the control unit stops the belt conveyor 39 and the payout conveyance paths 37 and 38 of the dispensing unit 15 and the dispensing unit 15 by the residual coin detection mechanism 61. The residual coin detection operation for detecting the remaining coin is executed (described later). If there is no residual coin in the dispensing unit 15, the shutter 1a is opened.

  When an operation input for performing a withdrawal process on an operation unit (not shown) is made by the operator together with the contents of the withdrawal process, a control unit (not shown) performs the following withdrawal process.

"Withdrawal processing"
The control unit keeps the drive unit 63 of the residual coin detection mechanism 61 at the ascending displacement position that is the standby position, and based on the contents of the input withdrawal process, each of the coin storage cylinders 31A to 31F. The payout gate 34 provided in the lower part is appropriately driven to drop the coins stored in the coin storage cylinders 31 </ b> A to 31 </ b> F onto the horizontal transport unit 35 of the belt conveyor 39 of the dispensing unit 15. At the same time, the control unit detects the coins at the receiving port 3 while being detected by the sensor 37a in the middle of the horizontal conveying unit 35 and the inclined conveying unit 36 of the belt conveyor 39, and the dispensing conveying path 37 and the dispensing conveying path 38 in the upper part of the machine body. Is dropped into the trading port 1. When a predetermined time elapses after the coins are no longer detected by the sensor 37a, the control unit stops the belt conveyor 39 and the payout transport paths 37 and 38, and the residual coin detection mechanism 61 removes the remaining coins from the dispensing unit 15. A residual coin detection operation to be detected is executed (described later). If there is no residual coin in the dispensing unit 15, the shutter 1a is opened.

Next, the residual coin detection operation will be described.
At the start of the residual coin detection operation, the control unit drives the motor 69 of the drive unit 63 of the residual coin detection mechanism 61 to rotate the cam 75 to the descending displacement position. Then, as described above, in conjunction with the rotation of the cam 75, the detection body 64 causes the cam follower 85 to move the cam 75 if there is no residual coin on the transport surfaces 35a, 35b, 36a of the chamber 48 of the dispensing portion 15. 4 and FIG. 5, the first swing arm 80 and the second swing arm 95 are moved in the downward direction by the own weight and the biasing force of the torsion spring 91. Stop at the lower limit. Thereafter, the cam 75 is slightly separated from the cam follower 85 and then stops at the lowering displacement position. On the other hand, at this time, if there are residual coins on the transport surfaces 35a, 35b, 36a of the chamber 48 of the dispensing unit 15, the detection unit 111 contacts the residual coins and further lowering of the detection body 64 is restricted. After that, while separating from the cam follower 85, the cam 75 rotates and stops at the descending displacement position. Note that the biasing force of the torsion spring 91 is set so that excessive pressure is not applied to the conveying surfaces 35a, 35b, and 36a of the chamber 48 via the detection body 64 and the residual coin when there is residual coin. .

  And a control part judges whether the to-be-detected part of the detection body 64 is detected with the detection sensor which is not shown in the timing when the cam 75 of the drive part 63 was located in the displacement position at the time of a fall. If the detected part is detected by the detection sensor, the detection body 64 is located at the lower limit position, and it is determined that there is no residual coin, and the motor 69 of the drive part 63 is driven to displace the cam 75 when it is raised. Rotate to position. Then, as described above, while the cam 75 abuts on the cam follower 85 and swings the first swing arm 80 and the second swing arm 95, the detection body 64 is resisted by its own weight and the biasing force of the torsion spring 91. The detection body 64 is finally stopped at the upper limit position as the cam 75 stops at the upward displacement position. The control unit determines that it has been detected that there is no residual coin in the current residual coin detection operation, ends the current residual coin detection operation, ends the storage process, and allows other operations thereafter. It becomes a state.

  On the other hand, when the detection sensor does not detect the detected part at the timing when the cam 75 is positioned at the lowering displacement position, the control unit 64 is not positioned at the lower limit position and there is a remaining coin. Determination is made to drive the motor 69 of the drive unit 63 to rotate the cam 75 to the upward displacement position. Then, as described above, the detection body 64 rises to the upper limit position. Then, the control unit determines that it is detected that there is a residual coin in the current residual coin detection operation, and generates an alarm for prompting the removal of the residual coin on a display unit (not shown), so that the current residual coin detection operation is performed. Exit. Thereafter, when the residual coins are removed and a message indicating that the residual coin removal process is completed is input to an operation unit (not shown), the control unit causes the residual coin detection mechanism 61 to execute the residual coin detection operation once again.

  Alternatively, if the detection sensor does not detect the detected portion at the timing when the cam 75 is positioned at the lowering displacement position, the control unit drives the motor 69 of the driving unit 63 to move the cam 75 to the rising position. As shown in FIG. 2 and FIG. 3, the detector 64 is rotated to the upper limit position. Thereafter, even if there are residual coins on the transport surfaces 35a, 35b, 36a of the chamber 48 of the dispensing unit 15, the control unit is required to transport the residual coins to the belt conveyor 39, that is, for a time sufficient to transport the residual coins to the transaction port 1. The dispensing / conveying belt 40, the dispensing / conveying path 37 and the dispensing / conveying path 38 are driven. That is, since there is a possibility that the posture or position of the residual coin is changed by the pressure from the detection body 64 by the residual coin detection operation, after the detection body 64 is lifted, another attempt is made to send out the coin. Thereafter, the control unit once again performs the residual coin detection operation. Then, a series of operations including the transfer of the dispensing unit 15 and the residual coin detection operation involving the lowering and raising of the detection body 64 is repeated a predetermined number of times until no residual coin is detected by the residual coin detection operation. repeat. In the meantime, when the residual coin is no longer detected, the control unit ends the residual coin detection operation and opens the shutter 1a of the transaction port 1. In addition, when the above-described series of operations is repeated a predetermined number of times, and finally the residual coin detection operation detects that there is residual coins, the control unit alarms the display unit (not shown) to remove the residual coins. Is generated, and the residual coin detection operation is terminated. Thereafter, when the residual coins are removed and a message indicating that the residual coin removal process is completed is input to an operation unit (not shown), the control unit causes the residual coin detection mechanism 61 to execute the residual coin detection operation once again.

  According to the present embodiment described above, the detection unit 111 is moved to the displacement position when the motor 69, the rotating shaft 73, and the cam 75 of the driving unit 63 are lowered, and the conveying surfaces 35a and 35b of the chamber 48 of the dispensing unit 15 are moved. , 36a so as to be movable to a lower limit position, and when the motor 69, the rotating shaft 73 and the cam 75 of the driving unit 63 are displaced to the lowering displacement position, the conveying surfaces 35a, 35b, If there is a residual coin on 36a, it will be obstructed by this residual coin and the detector 111 will not be able to move to the lower limit position. If there is no residual coin on the transport surfaces 35a, 35b, 36a of the chamber 48, it will be a residual coin. Since it is not obstructed, the detection unit 111 moves to the lower limit position. And the detection part 111 will detect the presence or absence of the residual coin of the withdrawal part 15 by the presence or absence of the movement to a lower limit position. As described above, since the residual coin itself mechanically obstructs the movement of the detection unit 111 to detect the residual, the residual coin can be detected more stably than the detection based on the magnetic property.

  In particular, since it is possible to detect the remaining coins on the conveying surface 36a in an inclined state in which it is difficult to place a sensor for detecting magnetic properties, the remaining coins can be detected more stably.

  In addition, the drive unit 63 can divide the driving force to the detection unit 111 when displaced to the displacement position when lowered, and lowers the detection unit 111 mainly by its own weight. When stopped, the driving force for the detection unit 111 is divided to reach the descending displacement position. Therefore, it is possible to improve the life of the drive unit 63 without causing an excessive load on the drive unit 63 when the residual coin is detected.

  In addition, since the driving unit 63 moves the detection unit 111 while maintaining the parallel state by the four-bar linkage mechanism 108, the detection unit 111 is transported in the chamber 48 of the dispensing unit 15 with a simple configuration and operation. , 36a in parallel.

  Further, the detection unit 111 has a shape in which the opposed lower surfaces 111a and 111b and the opposed end surface 111c facing the conveying surfaces 35a and 35b and the conveying surface 36a of the chamber 48 of the dispensing unit 15 follow the conveying surfaces 35a and 35b and the conveying surface 36a. Therefore, the detection unit 111 can be brought closer to the transport surfaces 35a, 35b, and 36a of the chamber 48. Accordingly, it is possible to reliably detect the remaining coins on the transport surfaces 35a, 35b, and 36a of the chamber 48.

  Further, when the detection unit 111 is at the lower limit position, it is possible to escape from the protrusions 50 provided on the conveyance surfaces 35a, 35b, and 36a of the dispensing conveyance belt 40 by the concave groove 121. It can be brought close to the transport surfaces 35a, 35b, 36a of the dispensing transport belt 40. Accordingly, it is possible to reliably detect the remaining coins on the transport surfaces 35a, 35b, and 36a of the chamber 48.

  Further, when the presence of the remaining coin is detected without moving the detection unit 111 to the lower limit position due to the displacement of the driving unit 63 to the lowering displacement position, the control unit detects the displacement of the driving unit 63 to the upper displacement position. In order to move the detection unit 111 back to the upper limit position above the chamber 48 and to drive the withdrawal conveyance belt 40, the residual coin whose posture or position has changed due to contact with the detection unit 111 is driven. Can be sent out from the withdrawal unit 15.

  In the above embodiment, detection of residual coins in one withdrawal unit 15 of all denominations has been described as an example, but as shown in FIG. 6, there are withdrawal units 15A to 15F of denominations. It is also applicable to cases. In that case, as the detection body 64, a base 115 and a detection unit 111A to 111F of denominations provided in a horizontal direction that protrudes downward from the base 115 and is orthogonal to the coin transport direction are integrally provided. Will be used. That is, in this case, the denomination detection units 111A to 111F can advance and retreat in a one-to-one correspondence with the denomination withdrawal units 15A to 15F by raising and lowering the detection body 64. When the detection body 64 is lowered, the detection unit 111A is in the chamber 48 of the withdrawal unit 15A, the detection unit 111B is in the chamber 48 of the withdrawal unit 15B, and the detection unit 111C is in the chamber 48 of the withdrawal unit 15C. The detection unit 111D enters the chamber 48 of the withdrawal unit 15D, the detection unit 111E enters the chamber 48 of the withdrawal unit 15E, and the detection unit 111F enters the chamber 48 of the withdrawal unit 15F. Conversely, when the detection body 64 is raised, the detection units 111A to 111F are simultaneously retracted from the corresponding chambers 48 of the withdrawal units 15A to 15F.

  As described above, the detection units 111A to 111F are provided in the denominations so as to correspond to the denomination withdrawal units 15A to 15F, and the detection units 111A to 111F of these denominations are integrally provided to perform one detection. The body 64 is configured, and the detection body 64 is driven by one drive unit, thereby moving all the denomination detection units 111A to 111F between the upper limit position and the lower limit position shown in FIG. become.

  If comprised in this way, since withdrawal part 15A-15F is provided in the money type so that a coin may be stored according to money type, a residual coin is stable with respect to money-type withdrawal part 15A-15F. Can be detected.

  In addition, since one detection body 64 that integrally includes the detection units 111A to 111F provided in the money type so as to correspond to each of the money type withdrawal units 15A to 15F is driven by one drive unit. Even if it has a withdrawal part 15A to 15F of money type, all of the withdrawal parts 15A to 15F of money type have no residual coins or remain in at least one of them while suppressing an increase in cost. It is possible to stably detect whether there is a coin.

1 trading unit (Deposit Department)
DESCRIPTION OF SYMBOLS 10 Identification part 13 Temporary storage part 15,15A-15F Withdrawal part 31A-31F Coin storage cylinder (storage part)
35a, 35b, 36a Conveying surface 40 Withdrawal conveying belt (conveying belt)
45 Side transfer guide (Transport guide)
48 chambers 50 projections 63 drive unit 64 detector 108 four-link mechanism 111, 111A to 111F detectors 111a, 111b opposite lower surface (opposing surface)
111c Opposing end face (opposing face)
121 concave groove

Claims (8)

A depositing unit into which coins are thrown in, an identification unit for identifying the coins thrown into the depositing unit, a temporary storage unit for temporarily storing coins identified by the identification unit, and a temporary storage unit temporarily stored in the temporary storage unit In a coin processor having a storage unit for storing coins, and a withdrawal unit for dispensing coins stored in the storage unit,
The withdrawal part
A chamber composed of a conveyance belt for conveying coins and a conveyance guide disposed on both edges in the width direction of the conveyance belt;
A drive unit displaceable between a first displacement position and a second displacement position;
The displacement of the drive unit to the first displacement position is configured to be movable to a first operation position close to a conveyance surface that conveys the coins in the chamber. A coin processing unit that detects the presence or absence of residual coins and has a detection unit that moves back to a second operation position that is separated from the transport surface by displacement of the drive unit to the second displacement position. Machine.   The drive unit can divide the drive force to the detection unit when displaced to the first displacement position, and lowers the detection unit by its own weight, and the detection unit when displaced to the second displacement position. The coin processor according to claim 1, wherein the coin processor is forcibly raised against the dead weight of the detector and moved to the second operation position.   The drive unit supports the detection unit so as to be movable between the first operation position and the second operation position while maintaining a parallel state by a four-bar linkage mechanism. The coin processing machine according to claim 1 or 2.   4. The coin processing machine according to claim 1, wherein the detection unit has a shape in which a facing surface facing the transport surface follows the transport surface. 5.   The conveyance belt is provided with a protrusion, and the detection unit is characterized in that a recess for escaping the protrusion when in the first operating position is formed on an opposite surface opposite to the conveyance surface. The coin processing machine according to any one of claims 1 to 4.   When it is detected that there is a residual coin without moving the detection unit to the first operation position due to the displacement of the drive unit to the first displacement position, the drive unit is moved to the second displacement position. The coin processor according to any one of claims 1 to 5, wherein the detection unit is moved and returned to the second operating position by displacement and the conveyor belt is driven to send out the remaining coins. .   The coin processing machine according to any one of claims 1 to 6, wherein the withdrawal unit is provided for each denomination so as to withdraw coins according to denomination. The detection unit is provided in the denomination so as to correspond to the withdrawal unit of the denomination, and the detection unit of these denominations is integrally provided to constitute one detection body,
When the detection body is driven by one of the drive units, all of the denomination detection units are moved between the first operation position and the second operation position. The coin processing machine according to claim 7.

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